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Related Concept Videos

Genome-wide Association Studies-GWAS01:11

Genome-wide Association Studies-GWAS

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.
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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...
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Supervised Machine Learning for Semi-Quantification of Extracellular DNA in Glomerulonephritis
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Published on: June 18, 2020

Genetics of vasculitis.

Paul A Monach1, Peter A Merkel

  • 1Vasculitis Center, Section of Rheumatology, and the Clinical Epidemiology Unit, Boston University School of Medicine, Boston, Massachusetts 02118, USA. pmonach@bu.edu

Current Opinion in Rheumatology
|January 7, 2010
PubMed
Summary
This summary is machine-generated.

Genetic studies reveal new insights into vasculitis risk. Research identifies common and rare gene variants contributing to autoimmune diseases like Behçet's disease and Wegener's granulomatosis.

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Area of Science:

  • Genetics
  • Immunology
  • Rheumatology

Background:

  • Growing evidence suggests a genetic predisposition to various forms of vasculitis.
  • Recent advancements in genetic analysis methods enable large-scale studies.
  • This review synthesizes current knowledge on the genetic factors influencing vasculitis development.

Purpose of the Study:

  • To review and summarize the current understanding of vasculitis genetics.
  • To highlight recent genetic discoveries in different vasculitis subtypes.
  • To discuss the implications of these findings for disease risk and research.

Main Methods:

  • Review of published literature on vasculitis genetics.
  • Analysis of findings from genome-wide association studies (GWAS).
  • Examination of candidate gene studies and replication data.

Main Results:

  • First GWAS in Behçet's disease and Kawasaki disease identified novel associated genes.
  • Replication of HLA allele associations with various vasculitides.
  • Identification of shared genetic factors between Wegener's granulomatosis and other autoimmune diseases, including rheumatoid arthritis.
  • Discovery of rare alleles (MEFV, A1AT) linked to monogenic recessive diseases and specific vasculitides.

Conclusions:

  • Candidate gene studies reveal polymorphisms common to other autoimmune diseases and rare alleles linked to recessive disorders.
  • Early GWAS results present distinct genetic associations.
  • Advanced genetic tools offer opportunities to fully characterize the genetic basis of vasculitis risk.