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Phagocytic cell activity in pre-eclampsia.

L N Berge1, M Ostensen, A Revhaug

  • 1Department of Obstetrics and Gynecology, University Hospital of Tromsø, Norway.

Acta Obstetricia Et Gynecologica Scandinavica
|January 1, 1988
PubMed
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Immune cell function differs in pre-eclampsia compared to normal pregnancy. Phagocytic cells show altered activity and migration in pre-eclamptic patients, indicating a distinct immune response during this condition.

Area of Science:

  • Immunology
  • Obstetrics
  • Cellular Biology

Background:

  • Pregnancy involves complex immunological adaptations.
  • Pre-eclampsia is a pathological condition of pregnancy with potential immune system involvement.

Purpose of the Study:

  • To compare the immune response, specifically phagocytic cell function, between normal and pre-eclamptic pregnancies.
  • To investigate alterations in free oxygen radical activity and cell migration in women with pre-eclampsia.

Main Methods:

  • Studied phagocytic cell functions in 8 pre-eclamptic and 7 healthy pregnant women.
  • Measured chemiluminescence (CL) of polymorphonuclear leukocytes (PMN) and monocytes (MN) during zymosan phagocytosis.
  • Assessed PMN cell migration using tube migration assays and immunoglobulin (Ig G, Ig M, Ig A) levels.

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Main Results:

  • Monocyte CL significantly increased in pre-eclampsia, while it decreased or remained unchanged in normal pregnancy.
  • Polymorphonuclear leukocyte (PMN) CL increased in pre-eclampsia, though not significantly.
  • PMN migration was reduced in the pre-eclamptic group compared to normal pregnancy.
  • Immunoglobulin G (Ig G) levels declined during pregnancy in the pre-eclamptic group.

Conclusions:

  • Phagocytic cell behavior differs significantly between normal and pre-eclamptic pregnancies.
  • Pre-eclampsia is associated with heightened oxidative activity and impaired cell migration of phagocytic cells.
  • These findings suggest distinct immune system adaptations in pathological pregnancy.