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Stem Cell Behavior at Hypothermia: A Review Article.

Sajjad Farashi1, Esmaeel Sharifi2

  • 1Autism Spectrum Research Center, Hamadan University of Medical Sciences, Hamadan, Iran.

Current Stem Cell Research & Therapy
|December 29, 2020
PubMed
Summary
This summary is machine-generated.

Hypothermia, or reduced temperature, impacts stem cells by enhancing adhesion, increasing survival via reduced oxidative stress, and promoting proliferation. These effects vary between mild and profound hypothermia, influencing stem cell behavior and potential applications.

Keywords:
Environmental factorsmechanisms.mild hypothermiaprofound hypothermiastem cellstemperature

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Area of Science:

  • Cellular Biology
  • Stem Cell Research
  • Physiology

Background:

  • Temperature is a critical factor influencing physiological systems.
  • Limited research exists on cellular responses to temperature changes, particularly in stem cells.
  • Understanding hypothermia's effects on stem cells is crucial for regenerative medicine and research.

Purpose of the Study:

  • To review and investigate the effects of hypothermia on stem cell function and behavior.
  • To explore the mechanisms underlying these temperature-dependent changes in stem cells.
  • To propose potential mechanisms for hypothermia's impact on stem cells.

Main Methods:

  • Literature review focusing on studies examining hypothermia's effects on stem cells.
  • Analysis of existing data to identify patterns in stem cell response to varying temperatures.
  • Synthesis of findings to propose underlying molecular and cellular mechanisms.

Main Results:

  • Profound hypothermia enhances stem cell adhesion through increased E-cadherin stability.
  • Mild hypothermia boosts stem cell survival by mitigating oxidative stress and upregulating anti-apoptotic proteins (heat shock proteins).
  • Mild hypothermia promotes stem cell proliferation via alterations in gene expression, though differentiation effects show some variability.

Conclusions:

  • Hypothermia significantly influences stem cell adhesion, survival, and proliferation through distinct mechanisms.
  • Mild hypothermia offers protective benefits against oxidative stress and apoptosis, while promoting growth.
  • The findings provide insights into temperature-dependent stem cell modulation, aiding experimental design and therapeutic development.