[Study on cardiovascular diseases marker gene expression profile of familial aggregation hypertension]

Zhi-lu Wang1, Zeng-ying Wu, Xiao-fang Yang

  • 1Department of Cardiology, First Hospital of Lanzhou University, Lanzhou 730000, Gansu, China. wangzhilu@medmail.com.cn

Insights

Familial hypertension is linked to altered cardiovascular disease marker gene expression, particularly in coagulation and extracellular protease pathways. This study identifies key up-regulated and down-regulated genes in affected individuals.

Area of Science:

  • Cardiovascular Genetics
  • Molecular Biology
  • Hypertension Research

Background:

  • Familial aggregation of hypertension suggests a genetic component.
  • Understanding gene expression profiles in these individuals is crucial for identifying disease markers.
  • Cardiovascular disease markers play a role in the pathophysiology of hypertension.

Purpose of the Study:

  • To investigate the gene expression profile of cardiovascular disease markers in patients with familial aggregation of hypertension.
  • To identify differentially expressed genes associated with familial hypertension.

Main Methods:

  • Selected patients with a family history of hypertension across three generations as the experimental group.
  • Utilized Oligo GEArray gene chip technology to analyze gene expression in peripheral blood.
  • Defined differential gene expression based on a ratio of positive/negative standard value >2.0 or ≤0.5 and >0.

Main Results:

  • Identified 10 up-regulated genes in the familial hypertension group, including those involved in lipid metabolism (apolipoprotein E), immune response (interferon-γ, interleukin-1β, IL-8), cell adhesion (integrin-β1, platelet endothelial cell adhesion molecule-1, selectin-P), extracellular molecules (matrix metalloproteinase-9), and coagulation (nuclear factor-ΚB).
  • Found 3 down-regulated genes: coagulation factor-III, lectin-like oxidized low density lipoprotein receptor-1, and serine protease inhibitor-1.
  • Specific genes identified include apolipoprotein E (ApoE), epithelial V-like antigen-1 (EVA-1), interferon-γ (IFN-γ), interleukin-1β (IL-1β), IL-8, integrin-β1 (ITGB-1), matrix metalloproteinase-9 (MMP-9), nuclear factor-ΚB (NF-ΚB), platelet endothelial cell adhesion molecule-1 (PECAM-1), selectin-P (SEL-P), coagulation factor-III (F-III), lectin-like oxidized low density lipoprotein receptor-1 (LOX-1), and serine protease inhibitor-1 (SERPINE-1).

Conclusions:

  • Familial aggregation of hypertension is associated with a diverse set of cardiovascular disease marker genes.
  • Coagulation and extracellular protease inhibitor-related genes appear particularly relevant to familial hypertension.
  • These findings highlight potential genetic targets for understanding and managing familial hypertension.
Abstract

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