Publications by authors named "Pengyi He"

Objective: This study aims to investigate the expression profile of miRNAs significantly dysregulated after acute myocardial infarction (AMI) and their potential targets.

Methods: After the establishment of a mouse model of AMI, RNA was extracted from mouse infarcted myocardium. Paired-end sequencing was then performed using the Illumina NovaSeq 6000 system to explore the expression profile of miRNAs.

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Sepsis is defined as life-threatening organ dysfunction caused by a dysregulated host response to infection. Studies have indicated that immune dysfunction plays a central role in the pathogenesis of sepsis. Dendritic cells (DCs) play a crucial role in the emergence of immune dysfunction in sepsis.

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Objective: To investigate the effect of stress-induced protein Sestrin2 (SESN2) on necroptosis of mouse dendritic cell (DC) induced by lipopolysaccharide (LPS) combined with zVAD, a panaspartate-specific cysteine protease (caspase) inhibitor.

Methods: The DC2.4 cell line derived from the bone marrow of mouse in the 3rd to 10th generations was cultured.

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Nuclear receptor coactive 4 (NCOA4), which functions as a selective cargo receptor, is a critical regulator of the particularly autophagic degradation of ferritin, a process known as ferritinophagy. Mechanistically, NCOA4-mediated ferritinophagy performs an increasingly vital role in the maintenance of intracellular iron homeostasis by promoting ferritin transport and iron release as needed. Ferritinophagy is not only involved in iron-dependent responses but also in the pathogenesis and progression of various human diseases, including metabolism-related, neurodegenerative, cardiovascular and infectious diseases.

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Interleukin (IL)- 33, a nuclear factor and pleiotropic cytokine of the IL-1 family, is gaining attention owing to its important role in chronic inflammatory and autoimmune diseases. This review extends our knowledge of the effects exerted by IL-33 on target cells by binding to its specific receptor serum stimulation-2 (ST2). Depending on the tissue context, IL-33 performs multiple functions encompassing host defence, immune response, initiation and amplification of inflammation, tissue repair, and homeostasis.

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To study the long-term properties of cement-based and geopolymer materials exposed to outdoor environments, wet-dry cycles are usually used to accelerate their aging. The wet-dry cycling can simulate the effects of environmental factors on the long-term properties of the composites under natural conditions. Nowadays, the long-term properties of geopolymer materials are studied increasingly deeply.

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Backgrounds: While not completely understood, the electrical, structural, and communication pathways that play a role in the onset and progression of atrial fibrillation (AF) seem to be connected to the intricate interplay between neurohormones and cellular mediators. Our study's objective was to examine how the expression profiles of the inflammatory cytokines interleukin-6 (IL-6), interleukin-10 (IL-10), tumor necrosis factor (TNF), and programmed death 1 (PD-1) changed in Cluster of Differentiation 4 (CD4) T cells depending on whether atrial fibrillation was paroxysmal or permanent. This analysis would provide new diagnostic markers for the detection and management of atrial fibrillation.

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Our study aimed to investigate key molecular targets in the pathogenesis of AMI, and provide new strategy for the treatment. In this work, the myocardial ischemia and hypoxia model was constructed by using HL-1 mouse cardiomyocytes. The over-expressing POSTN wild-type, mutant and negative control lentiviruses (GV492-POSTNWT,GV492-POSTN-MUT, GV492-NC) was conducted and transfected.

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Background: Acute myocardial infarction (AMI) is one of the leading causes of death in human being, and an effective diagnostic biomarker is still lacking. Whilst some gene association with AMI has been identified by RNA sequencing (RNA-seq), the relationship between alternative splicing and AMI is not clear.

Methods: We retrieved myocardial tissues within 24 h from mice with induced AMI and sham, and analysed the differentially expressed genes (DEGs) and differential alternative splicing genes (DASGs) by RNA-seq.

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Background: Transient receptor potential (TRP) channels have high permeability to Ca2 ions because they are non-selective ion channels. TRP channels have been implicated in tumor onset and progression, proliferation, and migration in recent years. However, the prognostic value of genes related to TRP and their specific mechanism in pancreatic adenocarcinoma (PAAD) are yet to be understood.

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Sepsis, a life-threatening disease caused by dysregulated host response to infection, is a major public health problem with a high mortality and morbidity rate. Pyroptosis is a new type of programmed cell death discovered in recent years, which has been proved to play an important role in sepsis. Nevertheless, there is no comprehensive report, which can help researchers get a quick overview and find research hotspots.

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Background: Stent restenosis after PCI seriously affects the efficacy and prognosis; therefore, the study of ISR risk factors has become an urgent topic to be solved.

Objective: To investigate the risk factors for in-stent restenosis (ISR) after percutaneous coronary intervention (PCI) in Han and Uygur patients with coronary heart disease.

Methods: The clinical data of 345 Han and 127 Uygur patients who underwent intracoronary stent implantation were divided into an ISR group and a non-ISR group.

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Aims: To investigate the different risk factors among different subtypes of patients with acute coronary syndrome (ACS).

Methods: A total of 296 patients who had ACS were retrospectively enrolled. Blood and echocardiographic indices were assessed within 24 hours after admission.

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Objective: To elucidate the association between angiotensin gene (AGT) M235T and T174M genetic polymorphisms in Han and Uyghur patients with atrial fibrillation (AF) in Xinjiang, China.

Methods: 100 cases of patients with AF of Han and 100 cases of patients with AF of Uyghur were selected as the experimental group, and 100 cases of patients with non-AF of Uyghur and non-AF of Han were selected as the control group. We amplified the AGT M235T site and AGT T174M site by PCR in 4 groups of patients, verified the polymorphism of the sites by gene sequencing, and compared their differences in each group.

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Article Synopsis
  • - This study examines how certain genetic variations (polymorphisms) in the P-selectin gene (rs1800807 and rs1800808) relate to levels of soluble P-selectin (sPs) in ethnic groups (Han, Uygur, and Kazakh) in Xinjiang, China, particularly in patients with atrial fibrillation (AF) and thromboembolism (TE).
  • - A total of 1,943 participants were included, with various combinations of patients and healthy individuals from the three ethnic groups, and the researchers used Polymerase Chain Reaction and ELISA to analyze genetic variations and measure plasma levels of sPs.
  • - The findings revealed that specific genotypes had significantly different sPs
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Glucose metabolism status may play a predictive role in the severity of the complications among patients with type 2 diabetes mellitus (DM). However, few studies have focused on the prognostic value of glycosylated hemoglobin (HbA1c) and Homeostatic Model Assessment 2 for Insulin Resistance (HOMA2-IR) in patients with DM, non-ST-segment elevation infarction (NSTEMI), and single concomitant chronic total occlusion (CTO) following primary percutaneous coronary intervention (PCI). Short- and long-term prognostic value of HbA1c and HOMA2-IR in patients with DM with NSTEMI and single CTO who received primary percutaneous transluminal coronary intervention (pPCI).

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Objectives: Atrial fibrillation (AF) is one the most common and complex types of clinical arrhythmia syndromes. In recent years, an association between CYP11B2 gene polymorphisms and atrial myocardial fibrosis has received a significant amount of attention. This study explores the relationship between CYP11B2 gene-344C/T polymorphism and AF among Kazak and Han residents in the Xinjiang region and further clarifies the molecular mechanisms of atrial fibrillation.

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To discuss the risk factors and characteristics of coronary artery disease of Han, Uygur and Kazak patients with acute myocardial infarction in Xinjiang district. A retrospective analysis of clinical data of 262 cases of Han patients, 166 cases of Uygur patients and 86 cases of Kazak patients was conducted, whose age, body mass index, cholesterol, uric acid, hypertension, type 2 diabetes, smoking, drinking, family history of coronary heart disease, relationship between PCI history and pathogenesis of acute myocardial infarction, and coronary artery disease characteristics were observed and compared in different groups. Between the Han and minority young patients, there were statistically significant differences in the distribution of BMI, lipoprotein a, positive family history of coronary heart disease, uric acid level, the combined aspects of smoking history (P<0.

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Article Synopsis
  • The study examines the link between genetic variations in the P-selectin gene and levels of soluble P-selectin in individuals with atrial fibrillation in Xinjiang's Han and Uigur populations.!
  • Researchers used techniques like ELISA, PCR, and DNA sequencing to analyze blood samples from 302 Uigur and 340 Han individuals to assess SNP distributions and serum levels.!
  • Results showed significant differences in serum levels of soluble P-selectin between cases and controls, but no notable differences in allele frequencies of the -2123C/G variant and no polymorphisms in Thr715Pro across the populations, indicating potential genetic factors in thromboembolic events for nonvalvular AF patients.!
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Purpose: Few data exist about the effect of cardiac resynchronization therapy (CRT) on left atrial (LA) reverse remodeling and function, and whether echocardiographic (echo)-guide pacemaker optimization of atrioventricular and interventricular delays could beneficially affect LA reverse remodeling in long-term CRT therapy.

Methods: Effect of periodic pacemaker optimization on LA reverse remodeling induced by CRT was analyzed in 113 consecutive patients (mean age, 60 ± 11 years) and stratified according to periodic pacemaker optimization (group 1) and nonperiodic pacemaker optimization (group 2). Left atrial volumes index percent changes were assessed at every continuing 6-month follow-up visit.

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Article Synopsis
  • This study investigates how the GGCX gene rs2592551 polymorphism impacts warfarin dosage in patients with atrial fibrillation in the Xinjiang region.
  • Researchers analyzed genetic samples from 269 patients, finding three genotypes: CC (50.56%), CT (42.75%), and TT (6.69%).
  • Results showed that those with CC genotype required a lower average warfarin dose compared to CT and TT genotypes, indicating that genetic differences can influence medication needs in atrial fibrillation treatment.
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Objective: To observe the expression changes of inflammatory markers TGF-β1, Smad3 and IL-6 in patients with atrial fibrillation (AF), and to explore the significance of TGF-β1 signaling pathway in the structural remodeling of AF.

Methods: The expression of TGF-β1, Smad3 and IL-6 in 50 cases with AF and 30 normal cases were detected by RT-PCR and ELISA.

Results: The TGF-β1, Smad3 and IL-6 mRNA and protein expression levels in patients with AF were significantly higher than that in the control group (P<0.

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Article Synopsis
  • The study focused on understanding how common atrial fibrillation (AF) is among Xinjiang Kazak adults, finding a prevalence of 0.37% that increases with age.
  • Out of 22,514 surveyed adults, men exhibited a higher prevalence of AF (0.5%) compared to women (0.2%), and AF patients showed a significantly higher stroke rate (6.0%) compared to those without AF (1.2%).
  • Although the prevalence of AF in this population is lower than the national average, many patients seem reluctant to take necessary medications, highlighting a need for better management and education about AF.
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Objective: To evaluate the accuracy and practicability of detecting viable myocardium by CARTO voltage mapping in swine model of acute myocardial infarction (MI).

Methods: MI was induced in 13 anesthetized swines via occluding the distal of left anterior descending coronary arteries by angioplasty balloon for 60-90 minutes. The viable myocardium detection by CARTO voltage mapping was made after reconstruction of the left ventricle using CARTO and the results were compared with TTC staining.

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Objective: To observe the abnormal Minnesota code (MC) distribution and interrelated characteristic on electrocardiograms (ECGs) of the adult Kazakh population.

Methods: Resting ECGs and blood press of randomly sampled 30 000 adult Kazakh people in three Northern regions of Xinjiang were continuously examined and analyzed, using Minnesota code recommended by WHO as the classification of ECG.

Results: The overall rate of abnormal ECG findings was 248.

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