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Darwinian evolution and cardiovascular remodeling.

Bernard Swynghedauw1

  • 1U942-INSERM, Hôpital Lariboisière, 75945, Paris, France. Bernard.Swynghedauw@inserm.fr.

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Summary
This summary is machine-generated.

Mechanotransduction (MT) orchestrates cellular responses to mechanical stress, influencing cardiac and arterial remodeling. While initially beneficial, prolonged MT can lead to fibrosis and contribute to conditions like atherosclerosis.

Keywords:
AtherogenesisCardiac remodelingDarwinian or evolutionary medicineFetal reprogrammingHypertension-induced arterial remodelingMechanotransduction

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Area of Science:

  • Cellular Biology
  • Physiology
  • Biomedical Engineering

Background:

  • Mechanotransduction (MT) is a fundamental biological process involving cellular responses to mechanical stress.
  • MT encompasses mechanosensation, mechanotransmission, and mechanoresponse, crucial for tissue adaptation.
  • Both cardiac remodeling (CR) and arterial remodeling are significantly influenced by MT.

Purpose of the Study:

  • To explore the role of mechanotransduction in cardiac and arterial remodeling.
  • To investigate the contribution of MT to the development of atherosclerosis.
  • To understand the long-term consequences of mechanical stress on cardiovascular health.

Main Methods:

  • Review of existing literature on mechanotransduction.
  • Analysis of cellular and tissue responses to mechanical stimuli.
  • Examination of pathological processes like cardiac remodeling and atherogenesis.

Main Results:

  • Cardiac remodeling, initially a beneficial mechanoresponse (MR), can lead to fibrosis and reduced cardiac output over time.
  • Arterial MR aids vessels in adapting to increased pressure, as seen in hypertension.
  • Atherosclerotic plaques preferentially form at sites of disturbed blood flow, indicating MT's role in early atherogenesis.

Conclusions:

  • Mechanotransduction is a critical factor in cardiovascular adaptation and disease.
  • Understanding MT mechanisms can provide insights into preventing and treating cardiovascular conditions.
  • MT plays a significant role in both physiological and pathological remodeling processes in the cardiovascular system.