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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Placental abruption is associated with decreased maternal plasma levels of soluble HLA-G.

During pregnancy the fetus represents a semi-allograft. Both membrane-bound and soluble forms of the nonclassic human leukocyte antigen (HLA)-G protect the fetus from maternal immune attack. To assess the relevance of soluble HLA-G (sHLA-G) levels in the maternal circulation for the occurrence of characteristic pregnancy disorders, we analyzed sHLA-G plasma levels of women with normal and pathological pregnancies. Compared to normal pregnancy, significantly increased sHLA-G levels were detected in women delivered preterm because of intrauterine activation (uncontrollable labor, rupture of fetal membranes, cervical insufficiency) and women with Hemolysis, Elevated Liver enzymes, Low Platelet count (HELLP) syndrome. Contrary to these disorders, the sHLA-G levels in women with placental abruption were more than three times lower than in normal pregnancy (p < .0001). Nonparametric discriminant analysis showed that women with sHLA-G levels below 9.95 ng/mL had a relative risk of 7.12 for the development of placental abruption during further course of pregnancy. These results suggest that the occurrence of pregnancy-associated diseases is strongly influenced by maternal sHLA-G plasma levels.[1]

References

  1. Placental abruption is associated with decreased maternal plasma levels of soluble HLA-G. Steinborn, A., Rebmann, V., Scharf, A., Sohn, C., Grosse-Wilde, H. J. Clin. Immunol. (2003) [Pubmed]
 
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