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Related Concept Videos

Genome-wide Association Studies-GWAS01:11

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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.
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Several cytokine receptors have tightly bound Janus kinase or JAK proteins attached at their cytosolic tail. Small signaling molecules such as cytokines, growth hormones, or prolactins bind to the cytokine receptors and initiate their dimerization. The dimerization brings the cytosolic JAKs together that trans-phosphorylate and activates each other. The activated JAKs now phosphorylate cytosolic tails of the cytokine receptors, which serve as binding sites for adaptor proteins such as  SH2...
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Related Experiment Video

Updated: Jan 14, 2026

Large-Scale Multi-Omics Genome-Wide Association Studies Mo-GWAS: Guidelines for Sample Preparation and Normalization
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Causal association between matrix metalloproteinases and gout: A two-sample mendelian randomization study.

Da-Wei Chen1, Gaohua Hu2, Li Mao3

  • 1Department of Cardiology, Qichun County People's Hospital, Huanggang, China.

The American Journal of the Medical Sciences
|October 21, 2025
PubMed
Summary

This study found no evidence that matrix metalloproteinases (MMPs) causally affect gout. Further research is needed to understand the relationship between MMPs and gout pathogenesis.

Keywords:
GoutMMP3MMP9Matrix metalloproteinaseMendelian randomization

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Area of Science:

  • Genetics
  • Rheumatology
  • Biochemistry

Background:

  • Matrix metalloproteinases (MMPs) are linked to gout pathogenesis.
  • The causal role of MMPs in gout remains undetermined.

Purpose of the Study:

  • To investigate the potential causal effects of matrix metalloproteinases (MMPs) on gout development.

Main Methods:

  • Two-sample Mendelian randomization (MR) analysis using genome-wide association study (GWAS) data for ten MMPs and gout.
  • Employed Inverse-variance weighted (IVW), MR-Egger, weighted median, and weighted mode methods.
  • Conducted sensitivity analyses including MR-Egger intercept, Cochran's Q test, leave-one-out, and MR-PRESSO.

Main Results:

  • No genetic evidence supported a causal effect of MMPs on gout.
  • Specific MMPs, including MMP3 and MMP9, showed no significant association with gout risk.
  • Sensitivity analyses confirmed the robustness of findings, with no significant heterogeneity or pleiotropy.

Conclusions:

  • This MR study found no causal link between MMPs and gout.
  • Further investigation is required to elucidate the precise roles and mechanisms of MMPs in gout.