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Glycodelin is internalized by peripheral monocytes.

Young Bae Lee Hansen1, Vibeke Myrhøj1, Steen Sørensen1

  • 1Department of Clinical Biochemistry, Copenhagen University Hospital Hvidovre, 2650 Hvidovre, Denmark.

Journal of Reproductive Immunology
|March 3, 2020
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Summary

Glycodelin binds to and is internalized by peripheral monocytes, regardless of its carbohydrate structure. This suggests glycodelin may influence maternal immune responses, potentially through nuclear signaling within monocytes.

Keywords:
Confocal microscopyFlow cytometryGlycodelinMonocyte

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Area of Science:

  • Reproductive Immunology
  • Cellular Biology
  • Maternal-Fetal Interface

Background:

  • Glycodelin is produced by endometrial cells during early pregnancy.
  • Its role in regulating endometrial immunology is known, but molecular interactions with the maternal immune system are unclear.

Purpose of the Study:

  • To investigate glycodelin binding to peripheral monocytes.
  • To determine if binding depends on protein or carbohydrate structure.
  • To assess glycodelin internalization by monocytes.

Main Methods:

  • Incubation of peripheral monocytes with glycodelin.
  • Analysis of glycodelin binding and internalization.
  • Investigation of glycodelin's presence in the monocyte nucleus.

Main Results:

  • Glycodelin, with or without its carbohydrate structure, preferentially binds to and is internalized by peripheral monocytes.
  • Nuclear signals of glycodelin were detected in monocytes.
  • These findings suggest a potential nuclear regulatory role for glycodelin.

Conclusions:

  • Glycodelin interacts with peripheral monocytes, independent of its carbohydrate moiety.
  • Glycodelin internalization and potential nuclear localization suggest a role in modulating maternal immune responses.
  • Further research is needed to confirm the nuclear signaling mechanism.