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December 1, 1997Hypertension

Essential Hypertension and 5′ Upstream Core Promoter Region of Human Angiotensinogen Gene

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Key result

The A-20C mutation in the human angiotensinogen gene showed a weak but significant correlation with plasma AGT concentrations (P=0.047) and essential hypertension (P=0.049).

Why the study?

Is the A-20C mutation in the human AGT gene associated with increased plasma AGT concentrations and essential hypertension?

Population

188 subjects receiving no antihypertensive medication and 234 subjects

Comparison

A-20C mutation in the 5' upstream core promoter… vs Wild-type (absence of A-20C mutation)

Design

Cross-sectional

Authors

TITomoaki IshigamiGeneral CardiologySUSatoshi UmemuraGeneral / Preventive / LipidsKTKouichi TamuraGeneral Cardiology

Discussion

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Implication

No immediate clinical implications for hypertension care; leaves open AGCE1-AGCF1 mechanistic validation in genetic studies.

Key Points

  • This research aims to explore the correlation between the A-20C mutation in the AGT gene and its role in essential hypertension and plasma AGT concentrations.
  • Examined 188 subjects with A-20C mutation regarding plasma AGT levels
  • Studied 234 subjects for the association between A-20C and essential hypertension
  • Utilized polymerase chain reaction-restriction fragment length polymorphism analysis for A-20C determination.
  • Identified a significant correlation between A-20C and plasma AGT concentrations (P=0.047)
  • Found a significant association between A-20C and essential hypertension (P=0.049)
  • Suggest that the A-20C mutation may increase plasma AGT concentrations, contributing to essential hypertension.

Study Design

Type

Cross-Sectional

Structured PICO

Is the A-20C mutation in the human AGT gene associated with increased plasma AGT concentrations and essential hypertension?

P
Population
188 unmedicated subjects were assessed for plasma AGT concentrations and 234 subjects for essential hypertension to evaluate the effects of the A-20C mutation.
E
Exposure
A-20C mutation in the 5' upstream core promoter region of the human angiotensinogen (AGT) gene
C
Comparator
Wild-type (absence of A-20C mutation)
O
Outcome
Plasma AGT concentrations and presence of essential hypertensionsurrogate

Main Result

p-value: p=0.047 (AGT), 0.049 (hypertension)

The A-20C mutation in the human AGT gene promoter region is weakly but significantly associated with elevated plasma AGT concentrations and essential hypertension.

Cite This Study

Ishigami et al. (1997) conducted a cross-sectional in Essential hypertension. A-20C mutation in the human angiotensinogen gene vs. Absence of A-20C mutation was evaluated on Correlation with plasma AGT concentrations and essential hypertension (p=0.047 (AGT), 0.049 (hypertension)). The A-20C mutation in the human angiotensinogen gene showed a weak but significant correlation with plasma AGT concentrations (P=0.047) and essential hypertension (P=0.049).

synapsesocial.com/papers/6a6a85c845e10bb5bcf2bde8https://doi.org/10.1161/01.hyp.30.6.1325

Topics

Hypertension management
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Genetic control of blood pressure and the angiotensinogen locus.1995 · 643 citations
  2. 2Role of Transcriptional <i>cis</i> -Elements, Angiotensinogen Gene–Activating Elements, of Angiotensinogen Gene in Blood Pressure Regulation1996 · 54 citations
  3. 3Angiotensin I converting enzyme (ACE) gene polymorphism and essential hypertension in JapanEthnic difference of ACE genotype1995 · 73 citations
  4. 4Effects of thyroid hormones on angiotensinogen gene expression in rat liver, brain, and cultured cells.1992 · 36 citations
  5. 5Insulin and hypertension1994 · 67 citations