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Rationale for current and future progestin-based therapies to prevent preterm birth

Megan Weatherborn1, Sam Mesiano2

  • 1Department of Obstetrics and Gynecology, University Hospitals of Cleveland, Cleveland, OH, USA.

Best Practice & Research. Clinical Obstetrics & Gynaecology
|May 5, 2018
PubMed

Insights

Progestin therapy, including micronized progesterone, helps prevent preterm birth (PTB) in high-risk women. New research explores progesterone signaling pathways to improve PTB prevention for more pregnancies.

Area of Science:

  • Reproductive biology
  • Maternal-fetal medicine
  • Pharmacology

Background:

  • Preterm birth (PTB) is a major global cause of newborn illness and death.
  • Current therapies like micronized progesterone and 17α-hydroxyprogesterone caproate reduce PTB risk in specific high-risk groups.
  • The exact mechanisms by which progestins prevent PTB are not fully understood.

Purpose of the Study:

  • To investigate the molecular mechanisms of progesterone (P4) signaling in uterine cells.
  • To identify novel therapeutic targets for improving PTB prevention strategies.
  • To enhance the effectiveness of progestin therapy for a broader range of pregnancies.

Main Methods:

  • Analysis of P4 signaling pathways via P4 receptor isoforms in uterine cells.
  • Exploration of molecular biology and physiology related to progesterone action.
  • Focus on pathways involved in inflammation-induced parturition.

Main Results:

  • Advances in understanding P4 signaling pathways have been achieved.
  • Novel therapeutic targets for PTB prevention have been identified.
  • Potential for improving progestin therapy effectiveness is suggested.

Conclusions:

  • Understanding P4 signaling offers new avenues for PTB prevention.
  • Targeting key steps in inflammation-induced parturition may enhance therapy.
  • Future strategies could improve PTB prevention for the majority of pregnancies.

Keywords:
MechanismPreterm birthPreventionProgestin therapy

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