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p130 Crk-associated substrate (CAS) in vascular smooth muscle

Dale D Tang1

  • 1Center for Cardiovascular Sciences, Albany Medical College, Albany, New York 12208, USA. tangd@mail.amc.edu

Journal of Cardiovascular Pharmacology and Therapeutics
|March 31, 2009
PubMed

Insights

Crk-associated substrate (CAS) regulates vascular smooth muscle functions critical for hypertension. Targeting CAS-associated pathways offers potential new treatments for cardiovascular diseases.

Area of Science:

  • Cardiovascular Biology
  • Cellular Signaling
  • Molecular Medicine

Background:

  • Vascular smooth muscle cells (VSMCs) are central to blood pressure regulation and hypertension pathogenesis.
  • Hypertension involves VSMC contraction, migration, growth, and hypertrophy.
  • Crk-associated substrate (CAS) is an adapter protein influencing cellular functions.

Purpose of the Study:

  • To review the molecular structure and protein interactions of the CAS family.
  • To present evidence for CAS's role in regulating VSMC functions.
  • To discuss novel regulators and downstream partners of CAS.

Main Methods:

  • Literature review of CAS family members.
  • Analysis of CAS protein structure and interactions.
  • Synthesis of evidence on CAS in VSMC physiology and pathology.

Main Results:

  • CAS is a critical regulator of VSMC contractility, migration, hypertrophy, and growth.
  • Novel tyrosine kinases/phosphatases and downstream signaling partners of CAS have been identified.
  • CAS-associated processes are integral to VSMC function.

Conclusions:

  • CAS plays a pivotal role in regulating vascular smooth muscle functions.
  • CAS-mediated signaling pathways represent potential therapeutic targets for hypertension.
  • Targeting CAS may lead to novel treatments for cardiovascular diseases.

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