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12/06/2024


This study investigated the prognostic importance of heart failure (HF) signs and symptoms in patients with heart failure and preserved ejection fraction (HFpEF), and the effect of sacubitril/valsartan on HF signs and symptoms.

In patients with HFpEF, worsening of HF symptoms, as a marker of cardiac decompensation, is frequently the reason for hospitalization. In this heterogenous disease entity, the prognostic value of HF signs and symptoms with regard to cardiovascular (CV) outcomes is poorly defined.

The authors examined the association between baseline HF signs and symptoms (rest dyspnea, exertional dyspnea, paroxysmal nocturnal dyspnea, orthopnea, fatigue, edema, jugular venous distension, rales, and third heart sound) as well as burden of these HF signs and symptoms (classified as≤2 and≥3 HF signs and symptoms) and the primary composite of total HF hospitalizations and CV death, its components, and all-cause death in 4,725 patients enrolled in PARAGON-HF (Prospective Comparison of ARNI With ARB Gl. (Efficacy and Safety of LCZ696 Compared to Valsartan, on Morbidity and Mortality in HeartFailure Patients With Preserved Ejection Fraction [PARAGON-HF]; NCT01920711).
High burden of HF signs and symptoms, particularly the presence of orthopnea and rales, portends a higher risk for adverse CV events in patients with HF with preserved ejection fraction. Sacubitril/valsartan did not significantly decrease the burden of HF signs and symptoms over time but did reduce exertional dyspnea relative to valsartan. (Efficacy and Safety of LCZ696 Compared to Valsartan, on Morbidity and Mortality in Heart Failure Patients With Preserved Ejection Fraction [PARAGON-HF]; NCT01920711).Inter- and intra-molecular crosslinks can generate protein dysfunction, and are associated with protein aggregate accumulation in aged and diseased tissues. Crosslinks formed between multiple amino acid side chains can be reversible or irreversible. Disulfides formed either enzymatically, or as a result of oxidant-mediated reactions, are a major class of reversible crosslinks. Whilst these are commonly generated via oxidation of Cys thiol groups, they are also formed by 'oxidant-mediated thiol-disulfide reactions' via initial disulfide oxidation to a thiosulfinate or zwitterionic peroxide, and subsequent reaction with another thiol including those on other proteins. This generates new intermolecular protein-protein crosslinks. Here we demonstrate that photooxidation, or reaction with the biological oxidants HOCl and ONOOH, of the single disulfide present in the major human plasma inflammatory protein, C-reactive protein (CRP) can give rise to reversible disulfide bond formation with human serum albumin (HSA). This occurs in an oxidant dose-, or illumination-time-, dependent manner. These CRP-HSA crosslinks are formed both in isolated protein systems, and in fresh human plasma samples containing high, but not low, levels of CRP. The inter-protein crosslinks which involve Cys36 of CRP and Cys34 of HSA, have been detected by both immunoblotting and mass spectrometry (MS). The yield of protein-protein crosslinks depends on the nature and extent of oxidant exposure, and can be reversed by dithiothreitol and tris(2-carboxyethyl)phosphine hydrochloride. These data indicate that oxidation of disulfide bonds in proteins can be a source of novel inter-protein crosslinks, which may help rationalize the accumulation of crosslinked proteins in aged and diseased tissues.Pathologically, blood-spinal-cord-barrier (BSCB) disruption after spinal cord injury (SCI) leads to infiltration of numerous peripheral macrophages into injured areas and accumulation around newborn vessels. Among the leaked macrophages, M1-polarized macrophages are dominant and play a crucial role throughout the whole SCI process. The aim of our study was to investigate the effects of M1-polarized bone marrow-derived macrophages (M1-BMDMs) on vascular endothelial cells and their underlying mechanism. Microvascular endothelial cell line bEnd.3 cells were treated with conditioned medium or exosomes derived from M1-BMDMs, followed by evaluations of endothelial-to-mesenchymal transition (EndoMT) and mitochondrial function. After administration, we found conditioned medium or exosomes from M1-BMDMs significantly promoted EndoMT of vascular endothelial cells in vitro and in vivo, which aggravated BSCB disruption after SCI. In addition, significant dysfunction of mitochondria and accumulation of reactive oxygen species (ROS) were also detected. Furthermore, bioinformatics analysis demonstrated that miR-155 is upregulated in both M1-polarized macrophages and microglia. Experimentally, exosomal transfer of miR-155 participated in M1-BMDMs-induced EndoMT and mitochondrial ROS generation in bEnd.3 cells, and subsequently activated the NF-κB signaling pathway by targeting downstream suppressor of cytokine signaling 6 (SOCS6), and suppressing SOCS6-mediated p65 ubiquitination and degradation. Finally, a series of rescue assay further verified that exosomal miR155/SOCS6/p65 axis regulated the EndoMT process and mitochondrial function in vascular endothelial cells. In summary, our work revealed a potential mechanism describing the communications between macrophages and vascular endothelial cells after SCI which could benefit for future research and aid in the development of potential therapies for SCI.
Mesenchymal stem cell therapy improves ischemic heart failure via incompletely understood mechanisms. C1q-TNFα related protein-9 (CTRP9) is a novel anti-oxidative cardiokine capable of improving the local microenvironment and cell survival by its c-terminal active globular domain (gCTRP9). The current study attempted to 1) identify active gCTRP9 c-terminal polypeptides with stem cell protective function; 2) determine whether a lead polypeptide may enable/enhance cortical bone-derived mesenchymal stem cell (CBSC) cardioprotection against post-myocardial infarction (post-MI) remodeling; and 3) define the responsible underlying cellular/molecular mechanisms.

Utilizing I-TASSER structure prediction and 3-D active site modeling, we cloned and purified 3 gCTRP9 fragments (CTRP9-237, CTRP9-277, and CTRP9-281). https://www.selleckchem.com/products/diabzi-sting-agonist-compound-3.html Their activation of cell salvage kinase was compared against gCTRP9. Among the three fragments, CTRP9-281 (a 45 residue-containing polypeptide) exerted comparable or greater ERK1/2 activation compared to gCTRP9.

12/04/2024


001 for each). Next, individuals of the Indian case-control study were projected onto static reference distributions, observing an OR/SD of 1.66 (p<0.001). Compared with the middle quintile, risk for CAD was most pronounced for those in the top 5% of the GPS
distribution-ORs of 4.16, 2.46, and 3.22 in the South Asian UK Biobank, Bangladeshi, and Indian studies, respectively (p<0.05 for each).

The new GPS
has been developed and tested using 3 distinct South Asian studies, and provides a generalizable framework for ancestry-specific GPS assessment.
The new GPSCAD has been developed and tested using 3 distinct South Asian studies, and provides a generalizable framework for ancestry-specific GPS assessment.
Myocardial damage due to acute ST-segment elevation myocardial infarction (STEMI) remains a significant global health problem. New approaches to limit myocardial infarct size and reduce progression to heart failureafter STEMI are needed. Mechanically reducing left ventricular (LV) workload (LV unloading) before coronary reperfusion is emerging as a potential approach to reduce infarct size.

Given the central importance of mitochondria in reperfusion injury, we hypothesized that compared with immediate reperfusion (IR), LV unloading before reperfusion improves myocardial energy substrate use and preserves mitochondrial structure and function.

To explore the effect of LV unloading duration on infarct size, we analyzed data from the STEMI-Door to Unload (STEMI-DTU) trial and then tested the effect of LV unloading on ischemia and reperfusion injury, cardiac metabolism, and mitochondrial function in swine models of acute myocardial infarction.

The duration of LV unloading before reperfusion was inversely aial structure and function after reperfusion.
These novel findings identify that transvalvular unloading limits ischemic injury before reperfusion, improves myocardial energy substrate use, and preserves mitochondrial structure and function after reperfusion.
Heart failure (HF) is a major source of morbidity and mortality. Fluid retention and shortness of breath are its cardinal manifestations for which loop diuretics are used. Although their usefulness is well accepted, less is known about their role in improving clinical outcomes.

The purpose of this study was to determine the relationship between loop diuretics and clinical outcomes in patients with HF.

Of the 25,345 older patients hospitalized for HF in the Medicare-linked OPTIMIZE-HF (Organized Program to Initiate Lifesaving Treatment in Hospitalized Patients with HeartFailure) registry, 9,866 (39%) received no pre-admission diuretics. The study excluded 1,083 patients receiving dialysis and 847 discharged on thiazide diuretics. Of the remaining 7,936 patients, 5,568 (70%) were prescribed loop diuretics at discharge. Using propensity scores for receipt of loop diuretics estimated for each of the 7,936 patients, a matched cohort of 2,191 pairs of patients was assembled balanced on 74 baseline characterisindings provide new information about short-term clinical benefits associated with loop diuretic use in HF.
Hospitalized older patients not taking diuretics prior to hospitalization for HF decompensation who received a discharge prescription for loop diuretics had significantly better 30-day clinical outcomes than those not discharged on loop diuretics. These findings provide new information about short-term clinical benefits associated with loop diuretic use in HF.
The 2018 cholesterol guidelines of the American Heart Association and the American College of Cardiology (AHA/ACC) changed 3-hydroxy-3-methyl-glutaryl-coenzyme A reductase inhibitor (statin) eligibility criteria for primary prevention to include multiple risk enhancers and novel intensive lipid-lowering therapies for secondary prevention.

This study sought to determine how guideline changes affected identification for preventive therapy in young adults with premature myocardial infarction (MI).

The study identified adults presenting with first MI at Duke University Medical Center in Durham, North Carolina. Statin therapy eligibility was determined using the 2013 ACC/AHA and 2018 AHA/ACC guidelines criteria. The study also determined potential eligibility for intensive lipid-lowering therapies (very high risk) under the 2018 AHA/ACC guidelines, by assessing the composite of all-cause death, recurrent MI, or stroke rates in adults considered "very high risk" versus not.

Among 6,639 patients with MI, 41% risk of major adverse cardiovascular events in individuals<55 years of age (hazard ratio 2.09; 95% confidence interval 1.82 to 2.41; p<0.001), as was the case in older age groups (p interaction=0.54).

Most younger patients with premature MI are not identified as statin candidates before their event on the basis of the 2018 guidelines, and most patients with premature MI are not recommended for intensive post-MI lipid management.
Most younger patients with premature MI are not identified as statin candidates before their event on the basis of the 2018 guidelines, and most patients with premature MI are not recommended for intensive post-MI lipid management.
Mitral valve prolapse (MVP) is often considered benign but recent suggestion of an arrhythmic MVP (AMVP) form remains incompletely defined and uncertain.

This study determined ventricular arrhythmia prevalence, severity, phenotypical context, and independent impact on outcome in patients with MVP.

A cohort of 595 (age 65 ± 16 years; 278 women) consecutive patients with MVP and comprehensive clinical, arrhythmia (24-h Holter monitoring) and Doppler-echocardiographic characterization, was identified. Long-term outcomes were analyzed.

Ventricular arrhythmia was frequent (43% with at least ventricular ectopy≥5%), most often moderate (ventricular tachycardia [VT]; 120 to 179 beats/min) in 27%, and rarely severe (VT≥180 beats/min) in 9%. Presence of ventricular arrhythmia was associated with male sex, bileaflet prolapse, marked leaflet redundancy, mitral annulus disjunction (MAD), a larger left atrium and left ventricular end-systolic diameter, and T-wave inversion/ST-segment depression (all p≤ 0.001). https://www.selleckchem.com/products/asn007.html Severe ventricular arrhythmia was independently associated with presence of MAD, leaflet redundancy, and T-wave inversion/ST-segment depression (all p<0.

11/30/2024


ion feasibility, stakeholders' opinions and possible benefits on opioid optimisation in people with CNMP in outpatient clinical settings, community pharmacies and primary care settings. However, further research is warranted, which can guide the development of new policies and guidelines for the utilisation of pharmacists to promote opioid safety in people using prescription opioids for CNMP management.
Experimental investigation is carried out to determine the flowability and stickiness of the developed composite material for dental restoration containing low aspect ratio (AR ≤ 100) surface treated micro-sized glass fibres.

Specimens are manufactured by mixing low AR (50/70/100) micro-sized glass fibres with two different weight fractions (5%/10%) into UDMA/TEGDMA based resin. https://www.selleckchem.com/products/tl12-186.html Particulate filler composite (PFC) containing 55% glass fillers is used as the control group. Dynamic oscillatory strain sweep tests are conducted to analyse the linear viscoelastic behaviour. Solid-to fluidic transition behaviour of dental composites is also calculated in terms of flow and yield stresses. Furthermore, the oscillatory frequency sweep tests are conducted at three different strains (0.5%, 5% and 50%) resembling the positioning of unset paste onto restorations for different real-life clinical situations. Additionally, stickiness of dental composites with handling instrument (steel) and dentine covered with bonding aghe varying interactions between micro-sized fibres of different AR/weight fraction, particulate fillers and monomers.
Ultraviolet (UV) irradiation is the main contributing factor for skin aging. UV irradiation induces epigenetic changes in skin. It increases the activity of histone acetylases (HATs) but decreases that of histone deacetylases (HDACs).

We aimed to investigate alterations in all classes of HDACs and sirtuins (SIRTs) in response to UV irradiation, and determine the HDACs regulating the expressions of matrix metalloproteinase 1 (MMP-1) and type I procollagen.

Primary human dermal fibroblasts were UV irradiated. HDAC4 was knocked-down or overexpressed to investigate its effect on the expression of MMP-1 and type I procollagen. The mRNA and protein levels were analyzed by quantitative real-time polymerase chain reaction and western blotting.

Among 11 HDACs and 7 SIRTs, we found that the expression of HDAC4, HDAC5, HDAC6, HDAC7, HDAC8, HDAC11, SIRT2, and SIRT3 were significantly and consistently reduced by UV at both mRNA and protein levels. Among these, the reduction of HDAC4 was responsible for the basal and UV-induced increase in the expression of MMP-1 and decrease in that of type I procollagen. Furthermore, the reduced HDAC4 could activate c-Jun N-terminal kinase (JNK), resulting in an increase in MMP-1 and decrease in type I procollagen.

UV treatment decreases the expression of HDACs and SIRTs in dermal fibroblasts; in particular, the UV-induced reduction in the expression of HDAC4 might play an important role in regulating the expression of MMP-1 and type I procollagen.
UV treatment decreases the expression of HDACs and SIRTs in dermal fibroblasts; in particular, the UV-induced reduction in the expression of HDAC4 might play an important role in regulating the expression of MMP-1 and type I procollagen.
Post-mastectomy breast reconstruction (PMBR) is an important component of the multidisciplinary care of breast cancer patients. Despite the improved quality of life, significant racial disparities exist in the receipt of PMBR. Given the increasing population of Black, Asian and minority ethnic (BAME) women in UK, it is important to address this disparity. Our review aims to identify the barriers and facilitators influencing the uptake of PMBR in BAME women and raise awareness for physicians on interventions that could improve uptake of PMBR in BAME women.

The methodology outlined by the Cochrane guidelines was used to structure this systematic review. Systematic searches for qualitative studies on barriers and/or facilitators to PMBR in ethnic women published in English were conducted. The following databases were searched from their inception up to June 2019 MEDLINE, EMBASE, PubMed, Cochrane Library, Google Scholar and Scopus. Reference lists of all included articles and relevant systematic reviews were n. Considering the expanding population of BAME women and increasing breast cancer incidence, it is imperative that future research in this field is carried out. Physician and patient-associated factors were identified as the most important yet modifiable factors. Adopting a combination of culturally tailored interventions targeting these factors may help improve the access of PMBR in BAME women.

Prospero ID CRD42019133233.
Prospero ID CRD42019133233.
This study was designed to assess hemodynamic changes in response to transcatheter tricuspid valve edge-to-edge repair (TTVR) and to identify hemodynamic predictors associated with mortality.

Severe tricuspid regurgitation (TR) is associated with high mortality. TTVR effectively alleviates heart failure symptoms, but comprehensive hemodynamic characterization of patients undergoing TTVR is currently lacking.

This international, multicenter study included 236 patients undergoing TTVR. Data from clinical assessment, echocardiography, intraprocedural right heart catheterization, and noninvasive cardiac output measurement were analyzed. Hemodynamic predictors for mortality were identified using linear Cox regression analysis and were used for stratification of patients with subsequent analysis of survival time.

Patients (median age 78 years, 53% women) were symptomatic (89% in New York Heart Association functional class III or IV) because of severe TR (grade≥3+ in 100%). TTVR significantly reduced TR at d status predicts survival after TTVR. Invasive hemodynamic characterization may help identify patients profiting most from TTVR.
The aim of this study was to evaluate whether fulfilling COAPT (Cardiovascular Outcomes Assessment of the MitraClip Percutaneous Therapy for HeartFailure Patients With Functional Mitral Regurgitation) criteria identifies patients with better outcomes after MitraClip treatment for secondary mitral regurgitation (SMR).

To date, COAPT is the only trial showing a prognostic benefit of MitraClip implantation compared with conservative management.

Three hundred four patients with SMR undergoing MitraClip placement in addition to optimal medical therapy at 3 European centers were analyzed. A COAPT-like profile was defined as absence of all the followingcriteria severe left ventricular impairment, moderate to severe right ventricular dysfunction, severe tricuspid regurgitation, severe pulmonary hypertension, and hemodynamic instability. Freedom from all-cause death and from a composite endpoint (cardiovascular death and heart failure hospitalization) were evaluated at 2- and 5-year follow-up.

A COAPT-like profile was observed in 65% of the population.

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12/06/2024


This study investigated the prognostic importance of heart failure (HF) signs and symptoms in patients with heart failure and preserved ejection fraction (HFpEF), and the effect of sacubitril/valsartan on HF signs and symptoms.

In patients with HFpEF, worsening of HF symptoms, as a marker of cardiac decompensation, is frequently the reason for hospitalization. In this heterogenous disease entity, the prognostic value of HF signs and symptoms with regard to cardiovascular (CV) outcomes is poorly defined.

The authors examined the association between baseline HF signs and symptoms (rest dyspnea, exertional dyspnea, paroxysmal nocturnal dyspnea, orthopnea, fatigue, edema, jugular venous distension, rales, and third heart sound) as well as burden of these HF signs and symptoms (classified as≤2 and≥3 HF signs and symptoms) and the primary composite of total HF hospitalizations and CV death, its components, and all-cause death in 4,725 patients enrolled in PARAGON-HF (Prospective Comparison of ARNI With ARB Gl. (Efficacy and Safety of LCZ696 Compared to Valsartan, on Morbidity and Mortality in HeartFailure Patients With Preserved Ejection Fraction [PARAGON-HF]; NCT01920711).
High burden of HF signs and symptoms, particularly the presence of orthopnea and rales, portends a higher risk for adverse CV events in patients with HF with preserved ejection fraction. Sacubitril/valsartan did not significantly decrease the burden of HF signs and symptoms over time but did reduce exertional dyspnea relative to valsartan. (Efficacy and Safety of LCZ696 Compared to Valsartan, on Morbidity and Mortality in Heart Failure Patients With Preserved Ejection Fraction [PARAGON-HF]; NCT01920711).Inter- and intra-molecular crosslinks can generate protein dysfunction, and are associated with protein aggregate accumulation in aged and diseased tissues. Crosslinks formed between multiple amino acid side chains can be reversible or irreversible. Disulfides formed either enzymatically, or as a result of oxidant-mediated reactions, are a major class of reversible crosslinks. Whilst these are commonly generated via oxidation of Cys thiol groups, they are also formed by 'oxidant-mediated thiol-disulfide reactions' via initial disulfide oxidation to a thiosulfinate or zwitterionic peroxide, and subsequent reaction with another thiol including those on other proteins. This generates new intermolecular protein-protein crosslinks. Here we demonstrate that photooxidation, or reaction with the biological oxidants HOCl and ONOOH, of the single disulfide present in the major human plasma inflammatory protein, C-reactive protein (CRP) can give rise to reversible disulfide bond formation with human serum albumin (HSA). This occurs in an oxidant dose-, or illumination-time-, dependent manner. These CRP-HSA crosslinks are formed both in isolated protein systems, and in fresh human plasma samples containing high, but not low, levels of CRP. The inter-protein crosslinks which involve Cys36 of CRP and Cys34 of HSA, have been detected by both immunoblotting and mass spectrometry (MS). The yield of protein-protein crosslinks depends on the nature and extent of oxidant exposure, and can be reversed by dithiothreitol and tris(2-carboxyethyl)phosphine hydrochloride. These data indicate that oxidation of disulfide bonds in proteins can be a source of novel inter-protein crosslinks, which may help rationalize the accumulation of crosslinked proteins in aged and diseased tissues.Pathologically, blood-spinal-cord-barrier (BSCB) disruption after spinal cord injury (SCI) leads to infiltration of numerous peripheral macrophages into injured areas and accumulation around newborn vessels. Among the leaked macrophages, M1-polarized macrophages are dominant and play a crucial role throughout the whole SCI process. The aim of our study was to investigate the effects of M1-polarized bone marrow-derived macrophages (M1-BMDMs) on vascular endothelial cells and their underlying mechanism. Microvascular endothelial cell line bEnd.3 cells were treated with conditioned medium or exosomes derived from M1-BMDMs, followed by evaluations of endothelial-to-mesenchymal transition (EndoMT) and mitochondrial function. After administration, we found conditioned medium or exosomes from M1-BMDMs significantly promoted EndoMT of vascular endothelial cells in vitro and in vivo, which aggravated BSCB disruption after SCI. In addition, significant dysfunction of mitochondria and accumulation of reactive oxygen species (ROS) were also detected. Furthermore, bioinformatics analysis demonstrated that miR-155 is upregulated in both M1-polarized macrophages and microglia. Experimentally, exosomal transfer of miR-155 participated in M1-BMDMs-induced EndoMT and mitochondrial ROS generation in bEnd.3 cells, and subsequently activated the NF-κB signaling pathway by targeting downstream suppressor of cytokine signaling 6 (SOCS6), and suppressing SOCS6-mediated p65 ubiquitination and degradation. Finally, a series of rescue assay further verified that exosomal miR155/SOCS6/p65 axis regulated the EndoMT process and mitochondrial function in vascular endothelial cells. In summary, our work revealed a potential mechanism describing the communications between macrophages and vascular endothelial cells after SCI which could benefit for future research and aid in the development of potential therapies for SCI.
Mesenchymal stem cell therapy improves ischemic heart failure via incompletely understood mechanisms. C1q-TNFα related protein-9 (CTRP9) is a novel anti-oxidative cardiokine capable of improving the local microenvironment and cell survival by its c-terminal active globular domain (gCTRP9). The current study attempted to 1) identify active gCTRP9 c-terminal polypeptides with stem cell protective function; 2) determine whether a lead polypeptide may enable/enhance cortical bone-derived mesenchymal stem cell (CBSC) cardioprotection against post-myocardial infarction (post-MI) remodeling; and 3) define the responsible underlying cellular/molecular mechanisms.

Utilizing I-TASSER structure prediction and 3-D active site modeling, we cloned and purified 3 gCTRP9 fragments (CTRP9-237, CTRP9-277, and CTRP9-281). https://www.selleckchem.com/products/diabzi-sting-agonist-compound-3.html Their activation of cell salvage kinase was compared against gCTRP9. Among the three fragments, CTRP9-281 (a 45 residue-containing polypeptide) exerted comparable or greater ERK1/2 activation compared to gCTRP9.

12/04/2024


001 for each). Next, individuals of the Indian case-control study were projected onto static reference distributions, observing an OR/SD of 1.66 (p<0.001). Compared with the middle quintile, risk for CAD was most pronounced for those in the top 5% of the GPS
distribution-ORs of 4.16, 2.46, and 3.22 in the South Asian UK Biobank, Bangladeshi, and Indian studies, respectively (p<0.05 for each).

The new GPS
has been developed and tested using 3 distinct South Asian studies, and provides a generalizable framework for ancestry-specific GPS assessment.
The new GPSCAD has been developed and tested using 3 distinct South Asian studies, and provides a generalizable framework for ancestry-specific GPS assessment.
Myocardial damage due to acute ST-segment elevation myocardial infarction (STEMI) remains a significant global health problem. New approaches to limit myocardial infarct size and reduce progression to heart failureafter STEMI are needed. Mechanically reducing left ventricular (LV) workload (LV unloading) before coronary reperfusion is emerging as a potential approach to reduce infarct size.

Given the central importance of mitochondria in reperfusion injury, we hypothesized that compared with immediate reperfusion (IR), LV unloading before reperfusion improves myocardial energy substrate use and preserves mitochondrial structure and function.

To explore the effect of LV unloading duration on infarct size, we analyzed data from the STEMI-Door to Unload (STEMI-DTU) trial and then tested the effect of LV unloading on ischemia and reperfusion injury, cardiac metabolism, and mitochondrial function in swine models of acute myocardial infarction.

The duration of LV unloading before reperfusion was inversely aial structure and function after reperfusion.
These novel findings identify that transvalvular unloading limits ischemic injury before reperfusion, improves myocardial energy substrate use, and preserves mitochondrial structure and function after reperfusion.
Heart failure (HF) is a major source of morbidity and mortality. Fluid retention and shortness of breath are its cardinal manifestations for which loop diuretics are used. Although their usefulness is well accepted, less is known about their role in improving clinical outcomes.

The purpose of this study was to determine the relationship between loop diuretics and clinical outcomes in patients with HF.

Of the 25,345 older patients hospitalized for HF in the Medicare-linked OPTIMIZE-HF (Organized Program to Initiate Lifesaving Treatment in Hospitalized Patients with HeartFailure) registry, 9,866 (39%) received no pre-admission diuretics. The study excluded 1,083 patients receiving dialysis and 847 discharged on thiazide diuretics. Of the remaining 7,936 patients, 5,568 (70%) were prescribed loop diuretics at discharge. Using propensity scores for receipt of loop diuretics estimated for each of the 7,936 patients, a matched cohort of 2,191 pairs of patients was assembled balanced on 74 baseline characterisindings provide new information about short-term clinical benefits associated with loop diuretic use in HF.
Hospitalized older patients not taking diuretics prior to hospitalization for HF decompensation who received a discharge prescription for loop diuretics had significantly better 30-day clinical outcomes than those not discharged on loop diuretics. These findings provide new information about short-term clinical benefits associated with loop diuretic use in HF.
The 2018 cholesterol guidelines of the American Heart Association and the American College of Cardiology (AHA/ACC) changed 3-hydroxy-3-methyl-glutaryl-coenzyme A reductase inhibitor (statin) eligibility criteria for primary prevention to include multiple risk enhancers and novel intensive lipid-lowering therapies for secondary prevention.

This study sought to determine how guideline changes affected identification for preventive therapy in young adults with premature myocardial infarction (MI).

The study identified adults presenting with first MI at Duke University Medical Center in Durham, North Carolina. Statin therapy eligibility was determined using the 2013 ACC/AHA and 2018 AHA/ACC guidelines criteria. The study also determined potential eligibility for intensive lipid-lowering therapies (very high risk) under the 2018 AHA/ACC guidelines, by assessing the composite of all-cause death, recurrent MI, or stroke rates in adults considered "very high risk" versus not.

Among 6,639 patients with MI, 41% risk of major adverse cardiovascular events in individuals<55 years of age (hazard ratio 2.09; 95% confidence interval 1.82 to 2.41; p<0.001), as was the case in older age groups (p interaction=0.54).

Most younger patients with premature MI are not identified as statin candidates before their event on the basis of the 2018 guidelines, and most patients with premature MI are not recommended for intensive post-MI lipid management.
Most younger patients with premature MI are not identified as statin candidates before their event on the basis of the 2018 guidelines, and most patients with premature MI are not recommended for intensive post-MI lipid management.
Mitral valve prolapse (MVP) is often considered benign but recent suggestion of an arrhythmic MVP (AMVP) form remains incompletely defined and uncertain.

This study determined ventricular arrhythmia prevalence, severity, phenotypical context, and independent impact on outcome in patients with MVP.

A cohort of 595 (age 65 ± 16 years; 278 women) consecutive patients with MVP and comprehensive clinical, arrhythmia (24-h Holter monitoring) and Doppler-echocardiographic characterization, was identified. Long-term outcomes were analyzed.

Ventricular arrhythmia was frequent (43% with at least ventricular ectopy≥5%), most often moderate (ventricular tachycardia [VT]; 120 to 179 beats/min) in 27%, and rarely severe (VT≥180 beats/min) in 9%. Presence of ventricular arrhythmia was associated with male sex, bileaflet prolapse, marked leaflet redundancy, mitral annulus disjunction (MAD), a larger left atrium and left ventricular end-systolic diameter, and T-wave inversion/ST-segment depression (all p≤ 0.001). https://www.selleckchem.com/products/asn007.html Severe ventricular arrhythmia was independently associated with presence of MAD, leaflet redundancy, and T-wave inversion/ST-segment depression (all p<0.

11/30/2024


ion feasibility, stakeholders' opinions and possible benefits on opioid optimisation in people with CNMP in outpatient clinical settings, community pharmacies and primary care settings. However, further research is warranted, which can guide the development of new policies and guidelines for the utilisation of pharmacists to promote opioid safety in people using prescription opioids for CNMP management.
Experimental investigation is carried out to determine the flowability and stickiness of the developed composite material for dental restoration containing low aspect ratio (AR ≤ 100) surface treated micro-sized glass fibres.

Specimens are manufactured by mixing low AR (50/70/100) micro-sized glass fibres with two different weight fractions (5%/10%) into UDMA/TEGDMA based resin. https://www.selleckchem.com/products/tl12-186.html Particulate filler composite (PFC) containing 55% glass fillers is used as the control group. Dynamic oscillatory strain sweep tests are conducted to analyse the linear viscoelastic behaviour. Solid-to fluidic transition behaviour of dental composites is also calculated in terms of flow and yield stresses. Furthermore, the oscillatory frequency sweep tests are conducted at three different strains (0.5%, 5% and 50%) resembling the positioning of unset paste onto restorations for different real-life clinical situations. Additionally, stickiness of dental composites with handling instrument (steel) and dentine covered with bonding aghe varying interactions between micro-sized fibres of different AR/weight fraction, particulate fillers and monomers.
Ultraviolet (UV) irradiation is the main contributing factor for skin aging. UV irradiation induces epigenetic changes in skin. It increases the activity of histone acetylases (HATs) but decreases that of histone deacetylases (HDACs).

We aimed to investigate alterations in all classes of HDACs and sirtuins (SIRTs) in response to UV irradiation, and determine the HDACs regulating the expressions of matrix metalloproteinase 1 (MMP-1) and type I procollagen.

Primary human dermal fibroblasts were UV irradiated. HDAC4 was knocked-down or overexpressed to investigate its effect on the expression of MMP-1 and type I procollagen. The mRNA and protein levels were analyzed by quantitative real-time polymerase chain reaction and western blotting.

Among 11 HDACs and 7 SIRTs, we found that the expression of HDAC4, HDAC5, HDAC6, HDAC7, HDAC8, HDAC11, SIRT2, and SIRT3 were significantly and consistently reduced by UV at both mRNA and protein levels. Among these, the reduction of HDAC4 was responsible for the basal and UV-induced increase in the expression of MMP-1 and decrease in that of type I procollagen. Furthermore, the reduced HDAC4 could activate c-Jun N-terminal kinase (JNK), resulting in an increase in MMP-1 and decrease in type I procollagen.

UV treatment decreases the expression of HDACs and SIRTs in dermal fibroblasts; in particular, the UV-induced reduction in the expression of HDAC4 might play an important role in regulating the expression of MMP-1 and type I procollagen.
UV treatment decreases the expression of HDACs and SIRTs in dermal fibroblasts; in particular, the UV-induced reduction in the expression of HDAC4 might play an important role in regulating the expression of MMP-1 and type I procollagen.
Post-mastectomy breast reconstruction (PMBR) is an important component of the multidisciplinary care of breast cancer patients. Despite the improved quality of life, significant racial disparities exist in the receipt of PMBR. Given the increasing population of Black, Asian and minority ethnic (BAME) women in UK, it is important to address this disparity. Our review aims to identify the barriers and facilitators influencing the uptake of PMBR in BAME women and raise awareness for physicians on interventions that could improve uptake of PMBR in BAME women.

The methodology outlined by the Cochrane guidelines was used to structure this systematic review. Systematic searches for qualitative studies on barriers and/or facilitators to PMBR in ethnic women published in English were conducted. The following databases were searched from their inception up to June 2019 MEDLINE, EMBASE, PubMed, Cochrane Library, Google Scholar and Scopus. Reference lists of all included articles and relevant systematic reviews were n. Considering the expanding population of BAME women and increasing breast cancer incidence, it is imperative that future research in this field is carried out. Physician and patient-associated factors were identified as the most important yet modifiable factors. Adopting a combination of culturally tailored interventions targeting these factors may help improve the access of PMBR in BAME women.

Prospero ID CRD42019133233.
Prospero ID CRD42019133233.
This study was designed to assess hemodynamic changes in response to transcatheter tricuspid valve edge-to-edge repair (TTVR) and to identify hemodynamic predictors associated with mortality.

Severe tricuspid regurgitation (TR) is associated with high mortality. TTVR effectively alleviates heart failure symptoms, but comprehensive hemodynamic characterization of patients undergoing TTVR is currently lacking.

This international, multicenter study included 236 patients undergoing TTVR. Data from clinical assessment, echocardiography, intraprocedural right heart catheterization, and noninvasive cardiac output measurement were analyzed. Hemodynamic predictors for mortality were identified using linear Cox regression analysis and were used for stratification of patients with subsequent analysis of survival time.

Patients (median age 78 years, 53% women) were symptomatic (89% in New York Heart Association functional class III or IV) because of severe TR (grade≥3+ in 100%). TTVR significantly reduced TR at d status predicts survival after TTVR. Invasive hemodynamic characterization may help identify patients profiting most from TTVR.
The aim of this study was to evaluate whether fulfilling COAPT (Cardiovascular Outcomes Assessment of the MitraClip Percutaneous Therapy for HeartFailure Patients With Functional Mitral Regurgitation) criteria identifies patients with better outcomes after MitraClip treatment for secondary mitral regurgitation (SMR).

To date, COAPT is the only trial showing a prognostic benefit of MitraClip implantation compared with conservative management.

Three hundred four patients with SMR undergoing MitraClip placement in addition to optimal medical therapy at 3 European centers were analyzed. A COAPT-like profile was defined as absence of all the followingcriteria severe left ventricular impairment, moderate to severe right ventricular dysfunction, severe tricuspid regurgitation, severe pulmonary hypertension, and hemodynamic instability. Freedom from all-cause death and from a composite endpoint (cardiovascular death and heart failure hospitalization) were evaluated at 2- and 5-year follow-up.

A COAPT-like profile was observed in 65% of the population.

11/29/2024


The results of non-specific immunoassay showed that diets supplemented with B8 significantly increased alkaline phosphatase (AKP) and superoxide dismutase (SOD) activity in serum samples (p less then 0.05). The expression levels of immune-related genes in the kidney and spleen of grass carp were measured. Among them, the expression levels of IgM and TNF-α both in spleen and kidney were significantly increased after 3 and 4 weeks of post-feeding (p less then 0.05). The expression of IgD and MHCI in kidney was significantly upregulated in high-dose groups after 2 and 3 weeks of feeding, respectively (p less then 0.05). In addition, after 7 days of challenging with A. veronii, the high-dose group and low-dose group had 48% and 53% survival compared to 25% survival for the control group. These results suggest that B. https://www.selleckchem.com/products/cep-18770.html velezensis B8 has the potential to be developed into a microecological preparation for the alternatives of antibiotics in aquaculture.
Patients with chronic kidney disease (CKD) and type 2 diabetes (T2D) are at risk of atrial fibrillation or flutter (AFF) due to cardiac remodeling and kidney complications. Finerenone, a novel, selective, nonsteroidal mineralocorticoid receptor antagonist, inhibited cardiac remodeling in preclinical models.

This work aims to examine the effect of finerenone on new-onset AFF and cardiorenal effects by history of AFF in the Finerenone in Reducing Kidney Failure and Disease Progression in Diabetic Kidney Disease (FIDELIO-DKD) study.

Patients with CKD and T2D were randomized (11) to finerenone or placebo. Eligible patients had a urinealbumin-to-creatinine ratio≥30 to≤5,000mg/g, an estimated glomerular filtration rate(eGFR) ≥25 to <75ml/min/1.73m
and received optimized doses of renin-angiotensin system blockade. Effect on new-onset AFF was evaluated as a pre-specified outcome adjudicated by an independent cardiologist committee. The primary composite outcome (time to first onset of kidney failure, a susnone, in addition to standard of care, on the progression of kidney disease in subjects with type 2 diabetes mellitus and the clinical diagnosis of diabetic kidney disease]; Efficacy and Safety of Finerenone in Subjects With Type 2 Diabetes Mellitus and Diabetic Kidney Disease [FIDELIO-DKD]; NCT02540993).
In patients with CKD and T2D, finerenone reduced the risk of new-onset AFF. The risk of kidney or cardiovascular events was reduced irrespective of history of AFF at baseline. (EudraCT 2015-000990-11 [A randomized, double-blind, placebo-controlled, parallel-group, multicenter, event-driven Phase III study to investigate the efficacy and safety of finerenone, in addition to standard of care, on the progression of kidney disease in subjects with type 2 diabetes mellitus and the clinical diagnosis of diabetic kidney disease]; Efficacy and Safety of Finerenone in Subjects With Type 2 Diabetes Mellitus and Diabetic Kidney Disease [FIDELIO-DKD]; NCT02540993).
Treatment guidelines for pre-diabetes primarily focus on glycemic control and lifestyle management. Few evidence-based cardiovascular and kidney risk-reduction strategies are available in this population.

To characterize cardiovascular and kidney outcomes across the glycemic spectrum.

Among participants in the UK Biobank without prevalent type 1 diabetes, cardiovascular, or kidney disease, Cox models tested the association of glycemic exposures (type 2 diabetes [T2D], pre-diabetes, normoglycemia) with outcomes (ASCVD, chronic kidney disease [CKD], and heart failure), adjusting for demographic, lifestyle, and cardiometabolic risk factors.

Among 336,709 individuals (mean age 56.3 years, 55.4% female), 46,911 (13.9%) had pre-diabetes and 12,717 (3.8%) had T2D. Over median follow-up of 11.1 years, 6,476 (13.8%) individuals with pre-diabetes developed ≥1 incident outcome, of whom only 802 (12.4%) developed T2D prior to an incident diagnosis. Pre-diabetes and T2D were independently associated with ASCVD (pr spectrum.
In GALACTIC-HF (Global Approach to Lowering Adverse Cardiac outcomes Through Improving Contractility in HeartFailure) (n=8,256), the cardiac myosin activator, omecamtiv mecarbil, significantly reduced the primary composite endpoint (PCE) of time-to-first heart failure event or cardiovascular death in patients with heart failure and reduced ejection fraction (EF) (≤35%).

The purpose of this study was to evaluate the influence of baseline EF on the therapeutic effect of omecamtiv mecarbil.

Outcomes in patients treated with omecamtiv mecarbil were compared with placebo according to EF.

The risk of the PCE in the placebo group was nearly 1.8-fold greater in the lowest EF (≤22%) compared with the highest EF (≥33%) quartile. Amongst the pre-specified subgroups, EF was the strongest modifier of the treatment effect of omecamtiv mecarbil on the PCE (interaction as continuous variable, p=0.004). Patients receiving omecamtiv mecarbil had a progressively greater relative and absolute treatment effect as baselinepatients with reduced EF, omecamtiv mecarbil produced greater therapeutic benefit as baseline EF decreased. These findings are consistent with the drug's mechanism of selectively improving systolic function and presents an important opportunity to improve the outcomes in a group of patients at greatest risk. (Registrational Study With Omecamtiv Mecarbil/AMG 423 to Treat Chronic Heart Failure With Reduced Ejection Fraction [GALACTIC-HF]; NCT02929329).Proper placental development and function relies on hormone receptors and signaling pathways that make the placenta susceptible to disruption by endocrine disrupting chemicals, such as phthalates. Here, we review relevant research on the associations between phthalate exposures and dysfunctions of the development and function of the placenta, including morphology, physiology, and genetic and epigenetic effects. This review covers in vitro studies, in vivo studies in mammals, and studies in humans. We also discuss important gaps in the literature. Overall, the evidence indicates that toxicity to the placental and maternal-fetal interface is associated with exposure to phthalates. Further studies are needed to better elucidate the mechanisms through which phthalates act in the placenta as well as additional human studies that assess placental disruption through pregnancy with larger sample sizes.

11/26/2024


The results of non-specific immunoassay showed that diets supplemented with B8 significantly increased alkaline phosphatase (AKP) and superoxide dismutase (SOD) activity in serum samples (p less then 0.05). The expression levels of immune-related genes in the kidney and spleen of grass carp were measured. Among them, the expression levels of IgM and TNF-α both in spleen and kidney were significantly increased after 3 and 4 weeks of post-feeding (p less then 0.05). The expression of IgD and MHCI in kidney was significantly upregulated in high-dose groups after 2 and 3 weeks of feeding, respectively (p less then 0.05). In addition, after 7 days of challenging with A. veronii, the high-dose group and low-dose group had 48% and 53% survival compared to 25% survival for the control group. These results suggest that B. velezensis B8 has the potential to be developed into a microecological preparation for the alternatives of antibiotics in aquaculture.
Patients with chronic kidney disease (CKD) and type 2 diabetes (T2D) are at risk of atrial fibrillation or flutter (AFF) due to cardiac remodeling and kidney complications. Finerenone, a novel, selective, nonsteroidal mineralocorticoid receptor antagonist, inhibited cardiac remodeling in preclinical models.

This work aims to examine the effect of finerenone on new-onset AFF and cardiorenal effects by history of AFF in the Finerenone in Reducing Kidney Failure and Disease Progression in Diabetic Kidney Disease (FIDELIO-DKD) study.

Patients with CKD and T2D were randomized (11) to finerenone or placebo. Eligible patients had a urinealbumin-to-creatinine ratio≥30 to≤5,000mg/g, an estimated glomerular filtration rate(eGFR) ≥25 to <75ml/min/1.73m
and received optimized doses of renin-angiotensin system blockade. Effect on new-onset AFF was evaluated as a pre-specified outcome adjudicated by an independent cardiologist committee. The primary composite outcome (time to first onset of kidney failure, a susnone, in addition to standard of care, on the progression of kidney disease in subjects with type 2 diabetes mellitus and the clinical diagnosis of diabetic kidney disease]; Efficacy and Safety of Finerenone in Subjects With Type 2 Diabetes Mellitus and Diabetic Kidney Disease [FIDELIO-DKD]; NCT02540993).
In patients with CKD and T2D, finerenone reduced the risk of new-onset AFF. The risk of kidney or cardiovascular events was reduced irrespective of history of AFF at baseline. (EudraCT 2015-000990-11 [A randomized, double-blind, placebo-controlled, parallel-group, multicenter, event-driven Phase III study to investigate the efficacy and safety of finerenone, in addition to standard of care, on the progression of kidney disease in subjects with type 2 diabetes mellitus and the clinical diagnosis of diabetic kidney disease]; Efficacy and Safety of Finerenone in Subjects With Type 2 Diabetes Mellitus and Diabetic Kidney Disease [FIDELIO-DKD]; NCT02540993).
Treatment guidelines for pre-diabetes primarily focus on glycemic control and lifestyle management. Few evidence-based cardiovascular and kidney risk-reduction strategies are available in this population.

To characterize cardiovascular and kidney outcomes across the glycemic spectrum.

Among participants in the UK Biobank without prevalent type 1 diabetes, cardiovascular, or kidney disease, Cox models tested the association of glycemic exposures (type 2 diabetes [T2D], pre-diabetes, normoglycemia) with outcomes (ASCVD, chronic kidney disease [CKD], and heart failure), adjusting for demographic, lifestyle, and cardiometabolic risk factors.

Among 336,709 individuals (mean age 56.3 years, 55.4% female), 46,911 (13.9%) had pre-diabetes and 12,717 (3.8%) had T2D. Over median follow-up of 11.1 years, 6,476 (13.8%) individuals with pre-diabetes developed ≥1 incident outcome, of whom only 802 (12.4%) developed T2D prior to an incident diagnosis. Pre-diabetes and T2D were independently associated with ASCVD (pr spectrum.
In GALACTIC-HF (Global Approach to Lowering Adverse Cardiac outcomes Through Improving Contractility in HeartFailure) (n=8,256), the cardiac myosin activator, omecamtiv mecarbil, significantly reduced the primary composite endpoint (PCE) of time-to-first heart failure event or cardiovascular death in patients with heart failure and reduced ejection fraction (EF) (≤35%).

The purpose of this study was to evaluate the influence of baseline EF on the therapeutic effect of omecamtiv mecarbil.

Outcomes in patients treated with omecamtiv mecarbil were compared with placebo according to EF.

The risk of the PCE in the placebo group was nearly 1.8-fold greater in the lowest EF (≤22%) compared with the highest EF (≥33%) quartile. Amongst the pre-specified subgroups, EF was the strongest modifier of the treatment effect of omecamtiv mecarbil on the PCE (interaction as continuous variable, p=0.004). Patients receiving omecamtiv mecarbil had a progressively greater relative and absolute treatment effect as baselinepatients with reduced EF, omecamtiv mecarbil produced greater therapeutic benefit as baseline EF decreased. These findings are consistent with the drug's mechanism of selectively improving systolic function and presents an important opportunity to improve the outcomes in a group of patients at greatest risk. https://www.selleckchem.com/products/jr-ab2-011.html (Registrational Study With Omecamtiv Mecarbil/AMG 423 to Treat Chronic Heart Failure With Reduced Ejection Fraction [GALACTIC-HF]; NCT02929329).Proper placental development and function relies on hormone receptors and signaling pathways that make the placenta susceptible to disruption by endocrine disrupting chemicals, such as phthalates. Here, we review relevant research on the associations between phthalate exposures and dysfunctions of the development and function of the placenta, including morphology, physiology, and genetic and epigenetic effects. This review covers in vitro studies, in vivo studies in mammals, and studies in humans. We also discuss important gaps in the literature. Overall, the evidence indicates that toxicity to the placental and maternal-fetal interface is associated with exposure to phthalates. Further studies are needed to better elucidate the mechanisms through which phthalates act in the placenta as well as additional human studies that assess placental disruption through pregnancy with larger sample sizes.