Publications by authors named "Guanji Wu"

Myocardial dysfunction is a crucial determinant of the development of heart failure in salt-sensitive hypertension. Ferroptosis, a programmed iron-dependent cell death, has been increasingly recognised as an important contributor to the pathophysiology of various cardiovascular diseases. This study aims to investigate the role and underlying mechanism of ferroptosis in high-salt (HS)-induced myocardial damage.

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Article Synopsis
  • Vascular aging, which relates to arterial health and is a key indicator of heart disease risk, was studied in relation to long-term blood pressure variability (BPV) from childhood to midlife in a cohort of 2065 participants.
  • The study found that greater fluctuations in both systolic and diastolic blood pressure over 30 years correlated significantly with increased arterial stiffness, carotid hypertrophy, and carotid plaque development during midlife.
  • These findings suggest that monitoring long-term blood pressure variability from an early age could be vital for predicting cardiovascular diseases later in life, regardless of average blood pressure levels.
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The E-proteinoid 3 receptor (PTGER3), a member of the prostaglandin E2 (PGE2) subtype receptor, belongs to the G-protein-coupled superfamily of receptors. Animal studies have demonstrated its involvement in salt sensitivity by regulating sodium reabsorption. This study aimed to investigate the association between genetic variants of PTGER3 and salt sensitivity, longitudinal blood pressure (BP) changes, and the incidence of hypertension in Chinese adults.

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Owing to the rising demand for vegetable soybean products, there is an increasing need for high-yield soybean varieties. However, the complex correlation patterns among quantitative traits with genetic architecture pose a challenge for improving vegetable soybean through breeding. Herein, a genome-wide association study (GWAS) was applied to 6 yield-related traits in 188 vegetable soybean accessions.

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Background: A high-salt diet is a leading dietary risk factor for elevated blood pressure and cardiovascular disease. Quercetin reportedly exhibits cardioprotective and antihypertensive therapeutic effects.

Objectives: The objective of this study is to examine the effect of quercetin on high-salt dietinduced elevated blood pressure in Dahl salt-sensitive (SS) rats and determine the underlying molecular mechanism.

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Background And Aims: Obesity is an independent risk factor for cardiovascular disease development. Here, we aimed to examine and compare the predictive values of three novel obesity indices, lipid accumulation product (LAP), visceral adiposity index (VAI), and triglyceride-glucose (TyG) index, for cardiovascular subclinical organ damage.

Methods: A total of 1,773 healthy individuals from the Hanzhong Adolescent Hypertension Study cohort were enrolled.

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Article Synopsis
  • SGLT2 inhibitors can lower blood pressure and affect how the body responds to salt, making them relevant in studying salt sensitivity.
  • A research study, involving 514 participants over 14 years, explored the relationship between specific SGLT2 genetic variants and changes in blood pressure, especially under different salt diets.
  • Notable findings included that certain SGLT2 SNPs (like rs3813007) were linked to lower blood pressure on a low-salt diet and others (rs3116149, rs3813008) were tied to overall blood pressure changes and risk of developing hypertension.
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Background: Vascular aging, as assessed by structural and functional arterial properties, is an independent predictor of cardiovascular outcomes. We aimed to explore the associations of individual cardiovascular risk factors from childhood to midlife and their accumulation over a 30-year span with vascular aging in midlife.

Methods: Using data from the ongoing cohort of Hanzhong Adolescent Hypertension study, 2180 participants aged 6 to 18 years at baseline were followed for over 30 years.

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The aim of this study was to investigate whether Jatrorrhizine hydrochloride (JAH) can attenuate oxidative damage of endothelial cells by regulating mitochondrial function and inflammatory response. It was found that JAH inhibited tert-butyl hydroperoxide (t-BHP)-induced oxidative damage in mouse brain endothelial cells (MBECs) by increasing cell viability and inhibiting cell apoptosis. Moreover, JAH significantly inhibited the production of reactive oxygen species (ROS) and lipid peroxidation.

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Background: Aberrant proliferation, migration, and apoptosis of vascular smooth muscle cells (VSMCs) are major pathological phenomenon in hypertension. MicroRNAs (miRNAs/miRs) serve crucial roles in the progression of hypertension. We aimed to determine the role of miR-96-5p in the proliferation, migration, and apoptosis of VSMCs and its underlying mechanisms.

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Atherosclerosis (As) is a common disease, which is serious hazard to human health. As the main pathological basis of ischemic cardiac and cerebral vascular disease, including coronary heart disease, cerebrovascular disease, and thromboembolic disease, it is a chronic inflammatory lesion of the arterial vessel wall. So far the pathogenesis of As has not been fully understood.

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Coronary artery disease (CAD) is the most common type of cardiovascular disease and leading cause of mortality worldwide. Microarray technology for gene expression analysis has facilitated the identification of the molecular mechanism that underlies the pathogenesis of CAD. Previous studies have primarily used variance or regression analysis, without considering array specific factors.

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Objective: Evidence shows that salt can modulate adiponectin and inflammation levels in normal individuals. Therefore, we hypothesized that abnormalities in adiponectin and inflammation might be the potential mechanism of salt sensitivity. The aim of this study was to investigate whether different alterations of adiponectin and inflammation levels in response to a high-salt intake were exhibited between normotensive salt-sensitive and salt-resistant subjects.

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Background: The mechanisms of salt sensitivity as an important intermediate phenotype of essential hypertension remain elusive. A novel theory proposes that lymphatic vessels regulate sodium and fluid homeostasis. Since vascular endothelial growth factor C (VEGF-C) plays a vital role in lymphatic capillary hyperplasia, we hypothesized that VEGF-C was involved in salt-sensitive hypertension.

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