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Related Concept Videos

Human Genetics01:28

Human Genetics

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Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
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Genome-wide Association Studies-GWAS01:11

Genome-wide Association Studies-GWAS

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Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
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Hypertension and Regulation of Blood Pressure01:18

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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...
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Polygenic Traits01:18

Polygenic Traits

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When more than one gene is responsible for a given phenotype, the trait is considered polygenic. Human height is a polygenic trait. Studies have uncovered hundreds of loci that influence height, and there are believed to be many more. Due to the high number of genes involved, as well as environmental and nutritional factors, height varies significantly within a given population. The distribution of height forms a bell-shaped curve, with relatively few individuals in the population at the...
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Comparing Copy Number Variations and SNPs02:26

Comparing Copy Number Variations and SNPs

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Sequencing of the human genome has opened up several best-kept secrets of the genome. Scientists have identified thousands of genome variations that exist within a population. These variations can be a single nucleotide or a larger chromosomal variation.
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
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Factors affecting Blood pressure01:28

Factors affecting Blood pressure

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Several physiological and lifestyle factors influence blood pressure (BP). Understanding these factors is crucial as they are significant in patient education and blood pressure management.
Physiological Factors:
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Related Experiment Video

Updated: Jul 2, 2025

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
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Genetic Variants Associated with Hypertension Risk: Progress and Implications.

David Curtis1

  • 1UCL Genetics Institute, University College London, London, UK.

Pulse (Basel, Switzerland)
|February 26, 2024
PubMed
Summary

Genetic research has advanced understanding of primary hypertension risk, but current findings offer limited practical applications for disease management or risk prediction. Further investigation is needed for clinical utility.

Keywords:
ASXL1DBHDNMT3AExomeFESGUCY1A1GUCY1B1GWASINPPL1NPR1RENSMAD6

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Area of Science:

  • Genetics
  • Cardiovascular Physiology
  • Genomics

Background:

  • Genetic variants linked to secondary hypertension are known.
  • Primary hypertension research increasingly focuses on common and rare genetic variants.

Purpose of the Study:

  • To elucidate the genetic contribution to primary hypertension risk.
  • To assess the practical utility of genetic findings in hypertension management.

Main Methods:

  • Genome-wide association studies (GWASs) for common variants.
  • Exome sequencing for rare variants.
  • Analysis of genetic variant associations with blood pressure and hypertension.

Main Results:

  • Hundreds of common variants implicated thousands of genes, explaining ~6% of genetic risk.
  • Rare variants in specific genes (e.g., guanylate cyclase pathway) impact blood pressure.
  • Identified variants offer limited new insights or drug targets, with questionable clinical utility.

Conclusions:

  • Genetic variation research enhances understanding of hypertension physiology.
  • Current genetic findings have questionable value for practical advances in hypertension management.
  • Genetic testing is not currently useful for disease risk quantification or treatment guidance.