External constraints, such as development, disease, and environment, can induce changes in epigenomic patterns that may profoundly impact the health trajectory of fetuses and neonates into adulthood, influencing conditions like obesity. Epigenetic modifications encompass processes including DNA methylation, covalent histone modifications, and RNA-mediated regulation. Beyond forward cellular differentiation (cell programming), terminally differentiated cells are reverted to a pluripotent or even totipotent state, that is, cellular reprogramming.
View Article and Find Full Text PDFAggregation-induced emission (AIE) and aggregation-caused quenching (ACQ) are two classes of opposite luminescence phenomena. It is almost impossible to show both AIE and ACQ effect simultaneously by the same molecule. However, here we report that a simple TPE derivative TAP-TPE grows into both AIE crystals and ACQ ones.
View Article and Find Full Text PDFBackground: Chinese chest pain centers (CPCs) have been expanding and maturing for the past decade, but patient wait times for pre-hospital care remain long.
Objective: To demonstrate that the remote electrocardiogram (ECG) monitoring system can ensure more efficient treatment for patients with ST-elevation myocardial infarction (STEMI) in CPCs, we compared patients with high-risk chest pain who used remote ECG monitoring systems to those who used conventional ECGs in retrospective cohort study.
Methods: Based on the inclusion and exclusion criteria, 290 patients who visited our CPC between June 2019 and March 2022 with acute chest pain and a diagnosis of STEMI as well as patients who had undergone an emergency primary percutaneous coronary intervention were selected.
Two-dimensional ferromagnetic semiconductors with coupled valley physics and piezoelectric responses offer unprecedented opportunities to miniaturize low-power multifunctional integrated devices. Prompted by epitaxial fabrication of nonmagnetic 2H-TiTe monolayer on the Au(111) substrate, we predict through both density functional theory and Monte Carlo simulations that the semilithiated 2H-TiTe monolayer (Li@2H-TiTe) is a stable near room-temperature semiconducting ferromagnet. Under an out-of-plane magnetization, Li@2H-TiTe exhibits a clean valley polarization up to 160 meV in its conduction band and a valley-contrasting Berry curvature due to the broken inversion and time-reversal symmetries, in favor of achievable anomalous valley Hall effect.
View Article and Find Full Text PDFBackground: Erdheim-Chester disease is a form of histiocytosis. It is an extremely rare illness. Since its discovery, hundreds of cases of this disease have been identified across the globe.
View Article and Find Full Text PDFVentricular tachycardia (VT) and ventricular fibrillation are most causes of early death in patients with acute myocardial infarction (AMI). Conditional cardiac-specific low-density lipoprotein receptor-related protein 6 (LRP6)-knockout mice with connexin 43 (Cx43) reduction triggered the lethal ventricular arrhythmias. Thus, it is necessary for exploring whether LRP6 and its upstream genes circRNA1615 mediate the phosphorylation of Cx43 in VT of AMI.
View Article and Find Full Text PDFCoronary artery ectasia (CAE) is a rare finding that is associated with poor clinical outcomes (Kawsara et al. 2018), and disorders in lipid metabolism have been reported in CAE. Lipids constitute one of the three metabolite types that regulate bodily functions and are also powerful signaling molecules (Han 2016; Zhu et al.
View Article and Find Full Text PDFBackground: Since the discovery of the Proprotein Convertase Subtilisin/Kexin Type 9(PCSK9) gene has been involved in regulating low-density lipoprotein metabolism and cardiovascular disease (CVD), many therapeutic strategies directly targeting PCSK9 have been introduced. PCSK9 gain of function (GoF) mutations are associated with autosomal dominant hypercholesterolemia (ADH) and premature atherosclerosis. In contrast, PCSK9 loss of function (LOF) mutations have cardioprotective effects and can lead to familial hypo cholesterol in some instances.
View Article and Find Full Text PDFTwo-dimensional room-temperature Janus ferrovalley semiconductors with large spin, valley and piezoelectric polarizations provide fertile platforms for designing multifunctional nanodevices. Little research has been reported to date on such materials. Here, using first-principles calculations, we predict two dynamically stable Janus titanium chalcohalide (TiSCl and TiSeBr) monolayers, which are excellent piezoelectric ferrovalley semiconductors with in-plane magnetization and high magnetic transition temperatures (738 and 884 K).
View Article and Find Full Text PDFClin Appl Thromb Hemost
August 2022
Background: The CHADS-VASc score has been associated with the prognosis of cardiovascular diseases. This study aimed to explore the association between the CHADS-VASc score and all-cause mortality in coronary care unit (CCU) patients.
Methods: The study was based on the Medical Information Mart for Intensive Care (MIMIC) III database.
Objective: This study was designed to explore the effect of glimepiride combined with recombinant human insulin injection on serum insulin-like growth factor 1 (IGF-1), vascular endothelial growth factor (VEGF), tartrate-resistant acid phosphatase 5b (TRACP-5b) and oxidative stress levels in patients with type 2 diabetes.
Methods: A total of 217 patients with type 2 diabetes who were treated in our hospital from November 2018 to March 2020 were selected and divided into control group and treatment group. The control group was treated with glimepiride ( = 107).
Diabetes mellitus is a common chronic disease. This study aimed to investigate the correlation between serum insulin-like growth factor 1 receptor (IGF-1R), vascular endothelial growth factor (VEGF), endothelin (ET) levels, and bone mineral density (BMD) in type 2 diabetic mellitus (T2DM) patients treated with metformin plus -glucosidase inhibitors and evaluate the predictive value of serum factors in the prognosis of osteoporosis in these patients. It was a prospective study that enrolled 142 patients with T2DM treated in Dinghu District People's Hospital from March 2019 to May 2020.
View Article and Find Full Text PDFTwo-dimensional (2D) intrinsic ferrovalley semiconductors provide unprecedented opportunities to investigate valley physics as well as providing promising device applications due to their exceptional combination of spontaneous spin and valley polarizations. Here, we have predicted from first-principles calculations and Monte Carlo simulations that monolayers (MLs) GdX are such extremely rare excellent materials. Apart from their robust stabilities energetically, dynamically, thermally, and mechanically, these 2D materials are found to be semiconducting intrinsic ferromagnets where the magnetic coupling is ascribed to 5d-electron-mediated 4f-4f exchange interactions.
View Article and Find Full Text PDFOxid Med Cell Longev
February 2022
Background: This study was aimed at exploring the biological function and molecular mechanism of ferroptosis of LRP6 modulation in cardiomyocytes of myocardial infarction (MI).
Method: We established the ferroptosis model of MI in vivo and in vitro and constructed the modulation network of circRNA-miRNA-LRP6 by bioinformatics analysis; then, we focused on exploring the regulatory relationship of LRP6 and its upstream genes circRNA1615 and miR-152-3p in the RIP experiments and the double luciferase reporter gene assay. Also, we tested the LRP6-mediated autophagy-related ferroptosis in MI.
Background: Current guidelines recommend a standard ticagrelor loading dose (LD) in ST-segment elevation myocardial infarction (STEMI) patients. However, antiplatelet therapy in STEMI patients at high risk of thrombotic events is suboptimal. The study was conducted to validate whether vasodilatorstimulated phosphoprotein (VASP)-guided ticagrelor dosing individual therapy may result in more effective platelet inhibition and better clinical outcomes.
View Article and Find Full Text PDFCircRNA (circular RNA) is a kind of closed circular structure of noncoding RNA molecules without 5' hat structure and 3' polyA, mainly located in the cytoplasm or stored in exosomes. It is not affected by RNA exonuclease, so it's stable and hard to be degraded. Proved to be widespread in a variety of eukaryotes, most circRNAs are cyclized by exons, some are lasso structures formed by intron cyclization.
View Article and Find Full Text PDFThe probability of late recurrent atrial fibrillation (AF) after radiofrequency ablation (RFA) has not yet been fully clarified. This study aims to study the association of left atrial appendage (LAA) morphology with AF recurrence after RFA. We retrospectively enrolled 84 patients (24 patients had persistent AF, 60 patients had paroxysmal AF) who underwent RFA in Shanghai East Hospital from June 2014 to May 2018.
View Article and Find Full Text PDFIdentification of effective cardiac biomarkers and therapeutic targets for myocardial infarction (MI) will play an important role in early diagnosis and improving prognosis. Ferroptosis, a cell death process driven by cellular metabolism and iron-dependent lipid peroxidation, has been implicated in diseases such as ischaemic organ damage, cancer and neurological diseases. Its modulators were involved in transferrin receptor, iron chelator, clock protein ARNTL, etc.
View Article and Find Full Text PDFAnn Transl Med
February 2021
Background: Previous studies have demonstrated associations between cardiovascular disease and the expression of various messenger RNAs (mRNAs), microRNAs (miRNAs), and long non-coding RNAs (lncRNAs). This study aimed to investigate the differential expression of mRNAs, lncRNAs, and miRNAs between tissues from patients with coronary artery disease (CAD) and healthy controls, and to determine the interactions between these molecules in CAD.
Methods: We investigated the differential expression of competitive endogenous RNAs (ceRNAs) between patients with CAD and healthy controls by collecting data from Gene Expression Omnibus (GEO) microarrays.
CircRNA (circular RNA) is a kind of closed circular structure of noncoding RNA molecules without 5' hat structure and 3' polyA, mainly located in the cytoplasm or stored in exosomes. It is not affected by RNA exonuclease, so it's stable and hard to be degraded. Proved to be widespread in a variety of eukaryotes, most circRNAs are cyclized by exons, some are lasso structures formed by intron cyclization.
View Article and Find Full Text PDFLow-density lipoprotein receptor-related protein 6 (LRP6) is a member of the low-density lipoprotein receptors (LDLRs) family and accumulating evidence points to the critical role of LRP6 in cardiovascular health and homeostasis. In addition to presenting the well-appreciated roles in canonical signaling regulating blood pressure, blood glucose, lipid metabolism, atherosclerosis, cardiac valve disease, cardiac development, Alzheimer's disease and tumorigenesis, LRP6 also inhibits non-canonical Wnt signals that promote arterial smooth muscle cell proliferation and vascular calcification. Noticeably, the role of LRP6 is displayed in cardiometabolic disease, an increasingly important clinical burden with aging and obesity.
View Article and Find Full Text PDFContext: β-Sitosterol (BS), the primary constituent of plants and vegetables, exhibits multiple biological effects.
Objective: This study explores its effect of immune-regulation on macrophages and its potential for rheumatoid arthritis (RA) therapy.
Materials And Methods: In vitro, bone marrow-derived macrophages (BMDMs) were treated with 5, 25 and 50 μM BS in the M1 or M2 polarization conditions.
Background And Aim: The immune-regulative effect of acacetin on the development of autoimmune arthritis remains unexplored. This study aims to investigate the potential effect of acacetin on the treatment of collagen-induced arthritis (CIA) in mice and clarify its underlying mechanism.
Methods And Results: In a type II collagen (CII)-induced autoimmune arthritis model, acacetin significantly repressed the incidence of CIA, prevented the pathological alteration, and reduced CII-specific IgG and IgG1 levels.
Medicine (Baltimore)
October 2017
Background: It has long been a controversial hotspot whether resting heart rate (RHR) is a risk factor or a marker for death. Ivabradine, a specific inhibitor of the If current in the sinoatrial node, is a pure RHR lowering agent. The study was aimed to investigate whether ivabradine would reduce more RHR, cardiovascular disease (CVD) mortality, and all-cause mortality than those placebo or beta-blockers.
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