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Related Experiment Videos

Cytokines modulate preimplantation development and pregnancy.

B Tartakovsky1, E Ben-Yair

  • 1Department of Chemical Immunology, Weizmann Institute of Science, Rehovot, Israel.

Developmental Biology
|August 1, 1991
PubMed
Summary

Cytokines like TNF alpha and GM-CSF can control early embryonic development in mice, restoring normal pregnancies in models of pregnancy failure. These findings highlight cytokines as key regulators of mammalian embryonic development.

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Area of Science:

  • Reproductive Biology
  • Developmental Biology
  • Immunology

Background:

  • Preimplantation embryonic development is crucial for successful mammalian reproduction.
  • Pregnancy failure can result from disruptions in early embryonic development.
  • Cytokines are signaling molecules with diverse biological functions.

Purpose of the Study:

  • To investigate the role of cytokines in regulating in vivo preimplantation embryonic development.
  • To determine if specific cytokines can rescue or improve pregnancy outcomes in mouse models of pregnancy failure.
  • To explore the potential of cytokines as modulators of early mammalian embryonic development.

Main Methods:

  • Utilized two distinct mouse models of pregnancy failure.
  • Administered specific cytokines, including TNF alpha, GM-CSF, and IL-1 alpha, to pregnant mice.

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  • Assessed preimplantation embryonic development, gestation outcomes, and embryo morphology.
  • Evaluated embryo development and implantation potential in vitro.

    • Main Results:

    • In one model, CSF-1-induced defective development was rescued by TNF alpha or GM-CSF.
    • In a second model, spontaneous abnormal embryos were improved by TNF alpha, GM-CSF, and IL-1 alpha.
    • Cytokines demonstrated the ability to restore normal morulae and blastocyst development.
    • TNF alpha and GM-CSF showed significant efficacy in modulating early embryonic development.

    Conclusions:

    • Cytokines are potent regulators of in vivo preimplantation embryonic development.
    • Specific cytokines can effectively modulate and rescue defective early embryonic development in mouse models.
    • These findings offer novel insights into the mechanisms governing mammalian embryonic development and potential therapeutic strategies.