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Soluble HLA-G Expression Inversely Correlates With Fetal Microchimerism Levels in Peripheral Blood From Women With Scleroderma.


ABSTRACT: Women with scleroderma (SSc) maintain significantly higher quantities of persisting fetal microchimerism (FMc) from complete or incomplete pregnancies in their peripheral blood compared to healthy women. The non-classical class-I human leukocyte antigen (HLA) molecule HLA-G plays a pivotal role for the implantation and maintenance of pregnancy and has often been investigated in offspring from women with pregnancy complications. However data show that maternal HLA-G polymorphisms as well as maternal soluble HLA-G (sHLA-G) expression could influence pregnancy outcome. Here, we aimed to investigate the underlying role of maternal sHLA-G expression and HLA-G polymorphisms on the persistence of FMc. We measured sHLA-G levels by enzyme linked immunosorbent assay in plasma samples from 88 healthy women and 74 women with SSc. Male Mc was quantified by DYS14 real-time PCR in blood samples from 58 women who had previously given birth to at least one male child. Furthermore, eight HLA-G 5'URR/3'UTR polymorphisms, previously described as influencing HLA-G expression, were performed on DNA samples from 96 healthy women and 106 women with SSc. Peripheral sHLA-G was at lower concentration in plasma from SSc (76.2?±?48.3?IU/mL) compared to healthy women (117.5?±?60.1?IU/mL, p?

SUBMITTER: Di Cristofaro J 

PROVIDER: S-EPMC6104483 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Soluble HLA-G Expression Inversely Correlates With Fetal Microchimerism Levels in Peripheral Blood From Women With Scleroderma.

Di Cristofaro Julie J   Karlmark Karlin R KR   Kanaan Sami B SB   Azzouz Doua F DF   El Haddad Marina M   Hubert Lucas L   Farge-Bancel Dominique D   Granel Brigitte B   Harlé Jean Robert JR   Hachulla Eric E   Pardoux Etienne E   Roudier Jean J   Picard Christophe C   Lambert Nathalie C NC  

Frontiers in immunology 20180814


Women with scleroderma (SSc) maintain significantly higher quantities of persisting fetal microchimerism (FMc) from complete or incomplete pregnancies in their peripheral blood compared to healthy women. The non-classical class-I human leukocyte antigen (HLA) molecule HLA-G plays a pivotal role for the implantation and maintenance of pregnancy and has often been investigated in offspring from women with pregnancy complications. However data show that maternal <i>HLA-G</i> polymorphisms as well a  ...[more]

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