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Single-Cell Transcriptomic Profiling of Heart Reveals ANGPTL4 Linking Fibroblasts and Angiogenesis inHeart Failure with Preserved Ejection Fraction

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Mus musculus

PROVIDER: GSE236586 | GEO | 2023/09/01

REPOSITORIES: GEO

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Single-Cell Transcriptomic Profiling of Heart Reveals ANGPTL4 Linking Fibroblasts and Angiogenesis inHeart Failure with Preserved Ejection Fraction [scRNA-seq]

Project description:Heart failure with preserved ejection fraction (HFpEF) is a complex, heterogeneous disease involving multiple cellular lineages and mechanisms. Here, we aimed to characterize the cellular heterogeneity and potential mechanisms of HFpEF at single-cell resolution.

2023-09-01 | GSE236585 | GEO

Single-Cell Transcriptomic Profiling of Heart Reveals ANGPTL4 Linking Fibroblasts and Angiogenesis inHeart Failure with Preserved Ejection Fraction [bulk RNA-seq]

2023-09-01 | GSE236584 | GEO

Single-Cell Transcriptomic Profiling of Heart Reveals ANGPTL4 Linking Fibroblasts and Angiogenesis inHeart Failure with Preserved Ejection Fraction

Project description:Single-Cell Transcriptomic Profiling of Heart Reveals ANGPTL4 Linking Fibroblasts and Angiogenesis inHeart Failure with Preserved Ejection Fraction

| PRJNA991590 | ENA

Heart failure with preserved ejection fraction.

Project description:Heart failure with preserved ejection fraction (HFpEF) represents a heterogeneous collection of conditions that are unified by the presence of a left ventricular ejection fraction ≥50%, evidence of impaired diastolic function and elevated natriuretic peptide levels, all within the context of typical heart failure signs and symptoms. However, while HFpEF is steadily becoming the predominant form of heart failure, disease-modifying treatment options for this population remain sparse. This review provides an overview of the diagnosis, management and prevention of HFpEF for general physicians.

| S-EPMC6334030 | biostudies-literature

Managing heart failure with preserved ejection fraction.

Project description:Heart failure with preserved ejection fraction (HFpEF) is increasing in prevalence as the general population ages. Poorly managed heart failure symptoms of decompensated HFpEF is one of the most common reasons for prolonged hospital admission. The high rate of morbidity and mortality associated with HFpEF is compounded by a poor understanding of the underpinning pathophysiology. Randomized controlled trials have so far been unable to identify an evidence base for reducing morbidity and mortality in patients with HFpEF, although there is some evidence to support quality of life (QOL) improvement. In this review, we described the recent advances on the pathophysiological understanding of HFpEF, the current and emerging treatment strategies, and what this may mean for individual patients. Potential treatments for HFpEF were divided into their relative management strategies and the current evidence assessed for effect on HFpEF mortality, hospital admission frequency, and QOL improvement. Overall, the understanding of HFpEF pathophysiology is improving and has been made a priority in identifying potential therapeutic targets. There is growing evidence that patients with ejection fractions (EF) of less than 60% may obtain a mortality benefit from ACE-inhibitors, angiotensin-neprilysin inhibitors, Angiotensin Receptor Blockers, and Mineralocorticoid Receptor Antagonists. However, this covers only a small proportion of the HFpEF spectrum. Therefore, currently there are no universal treatment strategies recommended for HFpEF, and management should focus on an individualised approach and this should take into account the comorbidities of each patient.

| S-EPMC7186731 | biostudies-literature

Single-Cell Transcriptomic Profiling of Heart Reveals ANGPTL4 Linking Fibroblasts and Angiogenesis inHeart Failure with Preserved Ejection Fraction [scRNA-seq]

Project description:Single-Cell Transcriptomic Profiling of Heart Reveals ANGPTL4 Linking Fibroblasts and Angiogenesis inHeart Failure with Preserved Ejection Fraction [scRNA-seq]

| PRJNA991598 | ENA

Left atrial ejection fraction and outcomes in heart failure with preserved ejection fraction.

Project description:The aim of this study was to determine whether left atrial ejection fraction (LAEF) quantified with cardiovascular magnetic resonance (CMR) was different between heart failure with preserved ejection fraction (HFpEF) and controls, and its relation to prognosis. As part of our single-centre, prospective, observational study, 188 subjects (HFpEF n?=?140, controls n?=?48) underwent phenotyping with contrast-enhanced CMR, transthoracic echocardiography, blood sampling and six-minute walk testing. LAEF was calculated using the biplane method. Atrial fibrillation (AF) was present in 43 (31%) of HFpEF subjects. Overall, LAEF (%) was lower in HFpEF patients inclusive of AF (32?±?16) or those in sinus rhythm alone (41?±?12) compared to controls (51?±?11), p?<?0.0001. LAEF correlated inversely with maximal and minimal left atrial volumes indexed (r?=??-?0.602, r?=??-?0.762), and plasma N-terminal pro-atrial natriuretic peptide (r?=??-?0.367); p?<?0.0001. During median follow-up (1429 days), there were 67 composite events of all-cause death or hospitalization for heart failure (22 deaths, 45 HF hospitalizations) in HFpEF. Lower LAEF (below median) was associated with an increased risk of composite endpoints (Log-Rank: all p?=?0.028; sinus p?=?0.036). In multivariable Cox regression analysis, LAEF (adjusted hazard ratio [HR] 0.767, 95% confidence interval [CI] 0.591-0.996; p?=?0.047) and indexed extracellular volume (HR 1.422, CI 1.015-1.992; p?=?0.041) were the only parameters that remained significant when added to a base prognostic model comprising age, prior HF hospitalization, diastolic blood pressure, lung disease, NYHA, six-minute-walk-test-distance, haemoglobin, creatinine and B-type natriuretic peptide. CMR-derived LAEF is lower in HFpEF compared to healthy controls and is a strong prognostic biomarker.

| S-EPMC6942575 | biostudies-literature

The Management of Heart Failure with Preserved Ejection Fraction.

Project description:Heart failure is defined as a clinical syndrome and is known to present with a number of different pathophysiological patterns. There is a remarkable degree of variation in measures of left ventricular systolic emptying and this has been used to categorise heart failure into two separate types: low ejection fraction (EF) heart failure or HF-REF and high EF heart failure or HF-PEF. Here we review the pathophysiology, epidemiology and management of HF-PEF and argue that sharp separation of heart failure into two forms is misguided and illogical, and the present scarcity of clinical trial evidence for effective treatment for HF-PEF is a problem of our own making; we should never have excluded patients from major trials on the basis of EF in the first place. Whilst as many heart failure patients have preserved EFs as reduced we have dramatically under-represented HF-PEF patients in trials. Only four trials have been performed in HF-PEF specifically, and another two trials that recruited both HF-PEF and HF-REF can be considered. When we consider the similarity in outcomes and neurohormonal activation between HF-REF and HF-REF, the vast corpus of trial data that we have to attest to the efficacy of various treatment (angiotensin-converting-enzyme [ACE] inhibitors, angiotensin receptor blockers [ARBs], beta-blockers and aldosterone antagonists) in HF-REF, and the much more limited number of trials of similar agents showing near statistically significant benefits in HF-PEF the time has come rethink our management of HF-PEF, and in particular our selection of patients for trials.

| S-EPMC5490948 | biostudies-other

Single-Cell Transcriptomic Profiling of Heart Reveals ANGPTL4 Linking Fibroblasts and Angiogenesis inHeart Failure with Preserved Ejection Fraction [bulk RNA-seq]

Project description:Single-Cell Transcriptomic Profiling of Heart Reveals ANGPTL4 Linking Fibroblasts and Angiogenesis inHeart Failure with Preserved Ejection Fraction [bulk RNA-seq]

| PRJNA991599 | ENA

Heart Failure with Preserved Ejection Fraction-a Concise Review.

Project description:PURPOSE OF REVIEW:Heart failure with preserved ejection fraction (HFpEF) is a relatively new disease entity used in medical terminology; however, both the number of patients and its clinical significance are growing. HFpEF used to be seen as a mild condition; however, the symptoms and quality of life of the patients are comparable to those with reduced ejection fraction. The disease is much more complex than previously thought. In this article, information surrounding the etiology, diagnosis, prognosis, and possible therapeutic options of HFpEF are reviewed and summarized. RECENT FINDINGS:It has recently been proposed that heart failure (HF) is rather a heterogeneous syndrome with a spectrum of overlapping and distinct characteristics. HFpEF itself can be distilled into different phenotypes based on the underlying biology. The etiological factors of HFpEF are unclear; however, systemic low-grade inflammation and microvascular damage as a consequence of comorbidities associated with endothelial dysfunction, oxidative stress, myocardial remodeling, and fibrosis are considered to play a crucial role in the pathogenesis of a disease. The H2FPEF score and the HFpEF nomogram are recently validated highly sensitive tools employed for risk assessment of subclinical heart failure. Despite numerous studies, there is still no evidence-based pharmacotherapy for HFpEF and the mortality and morbidity associated with HFpEF remain high. A better understanding of the etiological factors, the impact of comorbidities, the phenotypes of the disease, and implementation of machine learning algorithms may play a key role in the development of future therapeutic strategies.

| S-EPMC7347676 | biostudies-literature

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