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Multiplexed Fluorescent Immunohistochemical Staining of Four Endometrial Immune Cell Types in Recurrent Miscarriage
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Microchimerism in recurrent miscarriage.

Hilary S Gammill1, Mary D Stephenson2, Tessa M Aydelotte3

  • 11] Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA [2] Department of Obstetrics & Gynecology, University of Washington, Seattle, WA, USA.

Cellular & Molecular Immunology
|September 23, 2014
PubMed
Summary
This summary is machine-generated.

Microchimerism from a woman's own mother may be less common before pregnancy in those with recurrent miscarriage. Detection during pregnancy correlated with successful birth outcomes, suggesting a potential role in recurrent miscarriage.

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Area of Science:

  • Reproductive Immunology
  • Genetics
  • Obstetrics

Background:

  • Maternal-fetal cell exchange leads to microchimerism, a persistent presence of cells from one individual in another.
  • Naturally acquired microchimerism can influence maternal-fetal interactions during pregnancy.

Purpose of the Study:

  • To investigate the presence of maternal microchimerism (cells from one's own mother) in women experiencing recurrent miscarriage.
  • To compare microchimerism levels preconception and during pregnancy between women with recurrent miscarriage and controls.
  • To assess fetal microchimerism and its relationship to pregnancy outcomes.

Main Methods:

  • Studied women with primary idiopathic recurrent miscarriage (n=23) and controls (n=31).
  • Utilized genotyping and quantitative polymerase chain reaction to detect and measure microchimerism in peripheral blood mononuclear cells.
  • Employed logistic regression and Wilcoxon rank sum tests for statistical comparisons.

Main Results:

  • A trend suggested lower preconception microchimerism detection in recurrent miscarriage subjects (6%) compared to controls (19%).
  • During pregnancy, maternal microchimerism was detected in 27% of recurrent miscarriage subjects who had a birth, but in 0% of those who miscarried.
  • Fetal microchimerism data was also collected but not detailed in the abstract.

Conclusions:

  • Maternal microchimerism is detectable in women with recurrent miscarriage but may differ from controls and correlate with pregnancy outcomes.
  • Preliminary findings suggest maternal microchimerism might play a role in recurrent miscarriage and subsequent pregnancy success.
  • Further research is required to elucidate the specific cell types, quantities, and functional significance of microchimerism in recurrent miscarriage.