Publications by authors named "Zeng Chunyu"

Background: Elevated lipoprotein(a) (Lp[a]) is a risk factor for first atherosclerotic thrombosis events, but the role of elevated Lp(a) in secondary prevention is controversial. This study aimed to retrospectively investigate the influence of elevated Lp(a) levels on the prognosis of patients with coronary artery disease.

Methods: The team collected and compared clinical information of patients hospitalized during percutaneous coronary intervention (PCI).

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Background And Aims: Vascular smooth muscle cell (VSMC) phenotype switching is a pathological hallmark in various cardiovascular diseases. N4-acetylcytidine (ac4C) catalyzed by N-acetyltransferase 10 (NAT10) is well conserved in the enzymatic modification of ribonucleic acid (RNA). NAT10-mediated ac4C acetylation is involved in various physiological and pathological processes, including cardiac remodelling.

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Introduction: Sepsis-induced cardiac dysfunction is one of the most serious complications of sepsis. The mitochondrial translocator protein (TSPO), a mitochondrial outer membrane protein, is widely used as a diagnostic marker of inflammation-related diseases and can also lead to the release of inflammatory components. However, whether TSPO has a therapeutic effect on sepsis-induced cardiac dysfunction is unclear.

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Objective: To compare the immediate, early, and delayed percutaneous coronary intervention (PCI) strategies in non-ST-segment-elevation myocardial infarction (NSTEMI) patients with high-risk.

Methods: Medical records of patients treated at the Daping Hospital, Third Military Medical University, Chongqing, China between 2011 and 2021 were retrospectively reviewed. Only patients with complete available information were included.

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The neonatal mammalian heart can regenerate following injury through cardiomyocyte proliferation but loses this potential by postnatal day 7. Stimulating adult cardiomyocytes to reenter the cell cycle remains unclear. Here we show that cardiomyocyte proliferation depends on its metabolic state.

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Protein-encoding circular RNAs (circRNAs) are newly identified RNA molecules characterized by intense interaction with translating ribosome. Emerging evidence has implicated physiological and pathological significance of these non-canonical RNAs, yet a large body of them remains unidentified. Due to limited tools at hand, we developed CircProPlus, an automated computational pipeline for de novo detection of translated circRNAs.

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Article Synopsis
  • Acute kidney injury (AKI) is caused by a sudden decline in kidney function, often linked to imbalances in reactive oxygen species and mitochondrial issues.
  • * Irisin, a protein released by muscles during exercise, may help reduce kidney damage by improving mitochondrial health and metabolism.
  • * A new type of nanocarrier has been created to deliver irisin effectively to injured kidneys, improving its targeting and circulation, and showing potential to treat AKI by protecting kidney cells during damage.
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Objective: Previous studies have shown that apolipoprotein E (ApoE) gene polymorphisms have an impact on coronary artery disease(CAD). However, many studies have small sample sizes and different conclusions. The purpose was to retrospectively study the influence of ApoE gene polymorphisms on CAD.

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Article Synopsis
  • - The renin-angiotensin system (RAS) and the sympathetic nervous system (SNS) work together to regulate blood pressure, with prenatal exposure to lipopolysaccharide (LPS) driving increased RAS activity and sympathetic outflow in the paraventricular nucleus (PVN) of the brain.
  • - This exposure leads to an imbalance of inhibitory and excitatory neurons, increased reactive oxygen species (ROS), and ultimately contributes to hypertension in offspring rats.
  • - Melatonin treatment during pregnancy shows potential in reducing RAS activity and blood pressure, indicating it may help protect against hypertension caused by prenatal LPS exposure.
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Article Synopsis
  • G protein-coupled receptors (GPCRs) are crucial for responding to hormones and neurotransmitters that regulate important functions like blood pressure in organs such as arteries and kidneys.
  • GRK (G protein-coupled receptor kinases) play a key role in modulating GPCRs and their related receptors, with abnormalities in GRKs being linked to conditions like hypertension.
  • Recent research is focusing on selective GRK inhibitors to treat hypertension and genetic variants of GRK genes that influence blood pressure responses and outcomes of antihypertensive medications.
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Objective: The study aimed to explore the predictors of vascular complications (VCs) associated with transradial access, as the occurrence and severity of these complications were found to be significantly lower compared to femoral access. However, it is important to note that the occurrence of these complications still has a negative impact on clinical outcomes. Nevertheless, there is limited available data on the predictors of complications specifically related to radial access.

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The formation of new and functional cardiomyocytes requires a 3-step process: dedifferentiation, proliferation, and redifferentiation, but the critical genes required for efficient dedifferentiation, proliferation, and redifferentiation remain unknown. In our study, a circular trajectory using single-nucleus RNA sequencing of the pericentriolar material 1 positive (PCM1) cardiomyocyte nuclei from hearts 1 and 3 days after surgery-induced myocardial infarction (MI) on postnatal Day 1 was reconstructed and demonstrated that actin remodeling contributed to the dedifferentiation, proliferation, and redifferentiation of cardiomyocytes after injury. We identified four top actin-remodeling regulators, namely , , , and , which we collectively referred to as 2D2P.

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Objective: Many previous studies reported the relationship between lipoprotein(a) and cardiovascular disease, but the conclusions were controversial. The aim of our study was to retrospectively investigate the association between lipoprotein(a) and cardiovascular disease in patients undergoing coronary angiography.

Methods: We collected and compared clinical information of patients hospitalized for coronary angiography.

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Aims: Doxorubicin is a powerful chemotherapeutic agent for cancer, whose use is limited due to its potential cardiotoxicity. Semaglutide (SEMA), a novel analog of glucagon-like peptide-1 (GLP-1), has received widespread attention for the treatment of diabetes. However, increasing evidence has highlighted its potential therapeutic benefits on cardiac function.

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Background: Diabetic cardiomyopathy (DCM) is a serious complication in patients with type 1 diabetes mellitus (T1DM), which still lacks adequate therapy. Irisin, a cleavage peptide off fibronectin type III domain-containing 5, has been shown to preserve cardiac function in cardiac ischemia-reperfusion injury. Whether or not irisin plays a cardioprotective role in DCM is not known.

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Smooth muscle cell (SMC) remodeling poses a critical feature in the development and progression of atherosclerosis. Although fate mapping and in silicon approaches have expanded SMC phenotypes in atherosclerosis, it still remains elusive about the contributions of individual SMC phenotypes and molecular dynamics to advanced atherosclerotic plaque. Using single-cell transcriptome, we investigated cellular compositions of human carotid plaque laden with atherosclerotic core, followed by in vivo experiments utilizing SMC-lineage tracing technology, bulk RNA sequencing (RNA-seq) and both in vivo and in vitro validation of the underlying molecular mechanism.

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Background: Pulmonary arteriovenous fistula (PAVF) is a rare disease, which can lead to the direct return of unoxidized venous blood to pulmonary veins and left heart, resulting in right-to-left shunt leading to hypoxia. Long term, the right-to-left shunt will cause severe pathophysiological changes in the patient's body and pulmonary circulation, and the prognosis will be poor if PAVF is not treated timely.

Case Presentation: Here, we report the case of a 71-year-old man who presented with chest tightness and shortness of breath.

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Background: Ischemic heart disease (IHD) is the leading cause of death among noncommunicable diseases worldwide, but data on current epidemiological patterns and associated risk factors are lacking.

Objective: This study assessed the global, regional, and national trends in IHD mortality and attributable risks since 1990.

Methods: Mortality data were obtained from the Global Burden of Disease 2019 Study.

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Stimulating cardiomyocyte proliferation in the adult heart has emerged as a promising strategy for cardiac regeneration following myocardial infarction (MI). The NRG1-ERBB4 signaling pathway has been implicated in the regulation of cardiomyocyte proliferation. However, the therapeutic potential of recombinant human NRG1 (rhNRG1) has been limited due to the low expression of ERBB4 in adult cardiomyocytes.

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Stimulation of adult cardiomyocyte proliferation is a promising strategy for treating myocardial infarction (MI). Earlier studies have shown increased CCL2 levels in plasma and cardiac tissue both in MI patients and mouse models. In present study we investigated the role of CCL2 in cardiac regeneration and the underlying mechanisms.

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Background: Lung ischemia-reperfusion (I/R) injury is a serious clinical problem without effective treatment. Enhancing branched-chain amino acids (BCAA) metabolism can protect against cardiac I/R injury, which may be related to bioactive molecules generated by BCAA metabolites. L-β-aminoisobutyric acid (L-BAIBA), a metabolite of BCAA, has multi-organ protective effects, but whether it protects against lung I/R injury is unclear.

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Article Synopsis
  • * Understanding how endothelial cells change during vascular disease can reveal new clinical treatment targets, and single-cell RNA sequencing helps analyze these changes.
  • * This study uses advanced techniques like deep learning and gene set scoring to assess the stages of vascular disease and identify metabolic patterns, aiming to find ways to maintain healthy endothelial function in disease conditions.
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