Myocardial proteases and cardiac remodeling

Sadaf Riaz1, Asad Zeidan2, Fatima Mraiche1

  • 1College of Pharmacy, Qatar University, Doha, Qatar.

Insights

Cardiac hypertrophy (CH) involves cardiomyocyte enlargement and fibrosis, contributing to heart disease deaths. This review explores cysteine cathepsins and matrix metalloproteinases (MMPs) roles in cardiac remodeling, seeking new therapeutic targets.

Area of Science:

  • Cardiovascular Research
  • Molecular Biology
  • Biochemistry

Background:

  • Cardiac hypertrophy (CH) is a major cause of mortality, characterized by cardiomyocyte enlargement, fibrosis, and apoptosis.
  • Existing cardiovascular research highlights the need for understanding CH signaling pathways to find new therapeutic strategies.
  • Extracellular matrix (ECM) remodeling is a key feature of CH.

Purpose of the Study:

  • To review the critical roles of cysteine cathepsins and matrix metalloproteinases (MMPs) in the context of cardiac remodeling.
  • To identify potential therapeutic targets within these protease families for managing cardiac hypertrophy.

Main Methods:

  • Literature review focusing on studies investigating cysteine cathepsins and MMPs in cardiac hypertrophy and remodeling.
  • Analysis of existing research on the involvement of these proteases in the pathological changes of the heart.

Main Results:

  • Cysteine cathepsins and MMPs are significantly implicated in the ECM remodeling observed in cardiac hypertrophy.
  • These proteases contribute to the structural and functional changes characteristic of a hypertrophied heart.

Conclusions:

  • Cysteine cathepsins and MMPs represent promising targets for therapeutic intervention in cardiac hypertrophy.
  • Further research into the specific mechanisms of these proteases in cardiac remodeling is warranted.

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