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Related Experiment Video

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Three-Dimensional Imaging of Aortic Tissues in Atherosclerosis
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TPM2 as a potential predictive biomarker for atherosclerosis.

Ling-Bing Meng1, Meng-Jie Shan2, Yong Qiu3

  • 1Neurology Department, Beijing Hospital, National Center of Gerontology, Beijing 100730, P. R. China.

Aging
|September 6, 2019
PubMed
Summary

This study identifies key genes involved in atherosclerosis, a major cause of cardiac-cerebral vascular disease. Tropomyosin 2 (TPM2) was found to be a potential biomarker for diagnosis and treatment.

Keywords:
atherosclerosisbioinformatics analysiscardiac-cerebral vascular diseasesdifferentially expressed genesprotein-protein interaction

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Area of Science:

  • Cardiovascular research
  • Molecular biology
  • Genomics

Background:

  • Cardiac-cerebral vascular disease (CCVD) is a leading cause of mortality, primarily driven by atherosclerosis.
  • The molecular mechanisms underlying atherosclerosis pathogenesis remain incompletely understood.
  • Identifying novel molecular targets is crucial for understanding and treating CCVD.

Purpose of the Study:

  • To identify differentially expressed genes (DEGs) associated with atherosclerosis.
  • To elucidate the functional pathways and identify hub genes involved in atherosclerosis.
  • To validate a potential diagnostic and therapeutic biomarker for atherosclerosis.

Main Methods:

  • Analysis of two Gene Expression Omnibus (GEO) datasets (GSE43292, GSE57691) to identify DEGs.
  • Functional annotation and pathway enrichment analysis of identified DEGs.
  • Construction of an atherosclerosis animal model and a neural network model to verify hub gene significance.

Main Results:

  • A total of 234 DEGs were identified between normal and atherosclerosis samples.
  • Enriched pathways included actin filament, actin binding, smooth muscle cells, and cytokine-cytokine receptor interactions.
  • Thirteen hub genes were identified, with Tropomyosin 2 (TPM2) significantly downregulated in atherosclerosis models and samples.

Conclusions:

  • The identified DEGs provide insights into the pathogenesis of atherosclerosis.
  • TPM2 demonstrates potential as a promising diagnostic and therapeutic biomarker for atherosclerosis.
  • Further research into TPM2's role could advance CCVD treatment strategies.