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Related Concept Videos

Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
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Genetic variations significantly influence drug response through pharmacokinetics, receptor interactions, and biologic milieu modifications. Pharmacokinetic alterations impact drug metabolism and clearance, affecting efficacy and toxicity. Variants in drug-metabolizing enzymes, such as CYP2C9 and CYP2C19, alter drug activation and elimination. For example, CYP2C9 loss-of-function variants require lower warfarin doses to prevent excessive bleeding, while CYP2C19 variants reduce clopidogrel...
Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

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Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

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Related Experiment Video

Updated: May 10, 2026

Two-photon Imaging of Intracellular Ca2+ Handling and Nitric Oxide Production in Endothelial and Smooth Muscle Cells of an Isolated Rat Aorta
08:08

Two-photon Imaging of Intracellular Ca2+ Handling and Nitric Oxide Production in Endothelial and Smooth Muscle Cells of an Isolated Rat Aorta

Published on: June 10, 2015

[Association between CACNB2 gene polymorphisms and essential hypertension].

Qian Sun1, Xin Wang, Ying Huang

  • 1Department of Clinical Laboratory, Second Affiliated Hospital of Wenzhou Medical College, Wenzhou, Zhejiang 325027, P.R. China.

Zhonghua Yi Xue Yi Chuan Xue Za Zhi = Zhonghua Yixue Yichuanxue Zazhi = Chinese Journal of Medical Genetics
|June 8, 2013
PubMed
Summary

The CACNB2 gene's rs7069292 polymorphism is linked to essential hypertension (EH) in Han Chinese. A T>C mutation may alter CACNB2 gene expression, impacting EH risk.

Related Experiment Videos

Last Updated: May 10, 2026

Two-photon Imaging of Intracellular Ca2+ Handling and Nitric Oxide Production in Endothelial and Smooth Muscle Cells of an Isolated Rat Aorta
08:08

Two-photon Imaging of Intracellular Ca2+ Handling and Nitric Oxide Production in Endothelial and Smooth Muscle Cells of an Isolated Rat Aorta

Published on: June 10, 2015

Area of Science:

  • Genetics
  • Cardiovascular Disease Research
  • Molecular Biology

Context:

  • Essential hypertension (EH) is a complex cardiovascular disease with a significant genetic component.
  • The calcium channel β 2 subunit (CACNB2) gene plays a role in cardiovascular function.
  • Understanding genetic variations associated with EH is crucial for risk stratification and targeted therapies.

Purpose:

  • To investigate the association between single nucleotide polymorphisms (SNPs) in the CACNB2 gene and essential hypertension (EH) in the Han Chinese population of Wenzhou.
  • To examine the functional impact of the rs7069292 polymorphism on CACNB2 gene expression using a luciferase reporter assay.

Summary:

  • A case-control study involving 637 EH patients and 600 healthy controls identified significant associations between EH and specific genotypes (CT, TT) of the CACNB2 rs7069292 polymorphism.
  • The rs7069292 locus showed a higher prevalence of CT and TT genotypes in the EH group compared to controls (P<0.05).
  • Luciferase reporter assays revealed that the C allele at rs7069292 significantly increased promoter activity compared to the T allele (P<0.05), suggesting a functional impact on gene expression.

Impact:

  • This study identifies a specific genetic marker (rs7069292 CT polymorphism) in the CACNB2 gene associated with essential hypertension in Han Chinese.
  • The findings suggest that variations in CACNB2 gene expression, influenced by the rs7069292 polymorphism, may contribute to the development of EH.
  • These results contribute to the genetic understanding of hypertension and may inform future diagnostic or therapeutic strategies.