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Related Experiment Videos

Thinking Outside the Box.

Judith Ingles1,2, Chandrashekara N Kyathanahalli1,2, Pancharatnam Jeyasuria1,2,3

  • 11 Department of Physiology, Wayne State University Perinatal Initiative, School of Medicine, Wayne State University, Detroit, MI, USA.

Journal of Cardiovascular Pharmacology and Therapeutics
|April 6, 2017
PubMed
Summary
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Remote preconditioning, involving the unfolded protein response (UPR), prepares the uterus for pregnancy stress. UPR activation promotes uterine quiescence and normal gestation, potentially preventing preterm labor.

Area of Science:

  • Reproductive biology
  • Cellular stress response
  • Maternal-fetal medicine

Background:

  • Remote preconditioning uses local stimuli to induce systemic tolerance against cellular insults.
  • The unfolded protein response (UPR) is a cellular stress response crucial for protective preconditioning in some tissues.
  • The uterus activates UPR, leading to myocyte quiescence and normal pregnancy length.

Purpose of the Study:

  • To investigate the role of UPR activation in uterine preconditioning during pregnancy.
  • To explore the hypothesis that uterine stress induces a secretome with preconditioning properties.
  • To understand the mechanisms underlying uterine quiescence and tolerance to gestational stress.

Main Methods:

  • Analysis of UPR activation in pregnant uterine myocytes.
Keywords:
GRP78preconditioningpreterm laborsecretomeunfolded protein responseuterus

Related Experiment Videos

  • Investigation of uterine secretome components, such as glucose-regulated protein 78.
  • Correlation of UPR activation with uterine quiescence and gestational length.

    • Main Results:

    • UPR activation in pregnant uterine myocytes is associated with increased quiescence and normal gestational length.
    • Gestational stresses may induce a uterine secretome that promotes local and systemic tolerance.
    • This secretome facilitates maintenance of uterine quiescence during pregnancy.

    Conclusions:

    • UPR activation is a key component of uterine preconditioning, promoting tolerance to gestational stress.
    • Dysfunctional UPR or insufficient preconditioning may contribute to preterm labor.
    • Identifying preconditioning stimuli could offer strategies to prolong uterine quiescence and prevent preterm birth.