Immunological implications of pregnancy-induced microchimerism
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Immunological implications of pregnancy-induced microchimerism. / Kinder, Jeremy M; Stelzer, Ina A; Arck, Petra C; Way, Sing Sing.
In: NAT REV IMMUNOL, Vol. 17, No. 8, 08.2017, p. 483-494.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Immunological implications of pregnancy-induced microchimerism
AU - Kinder, Jeremy M
AU - Stelzer, Ina A
AU - Arck, Petra C
AU - Way, Sing Sing
PY - 2017/8
Y1 - 2017/8
N2 - Immunological identity is traditionally defined by genetically encoded antigens, with equal maternal and paternal contributions as a result of Mendelian inheritance. However, vertically transferred maternal cells also persist in individuals at very low levels throughout postnatal development. Reciprocally, mothers are seeded during pregnancy with genetically foreign fetal cells that persist long after parturition. Recent findings suggest that these microchimeric cells expressing non-inherited, familially relevant antigenic traits are not accidental 'souvenirs' of pregnancy, but are purposefully retained within mothers and their offspring to promote genetic fitness by improving the outcome of future pregnancies. In this Review, we discuss the immunological implications, benefits and potential consequences of individuals being constitutively chimeric with a biologically active 'microchiome' of genetically foreign cells.
AB - Immunological identity is traditionally defined by genetically encoded antigens, with equal maternal and paternal contributions as a result of Mendelian inheritance. However, vertically transferred maternal cells also persist in individuals at very low levels throughout postnatal development. Reciprocally, mothers are seeded during pregnancy with genetically foreign fetal cells that persist long after parturition. Recent findings suggest that these microchimeric cells expressing non-inherited, familially relevant antigenic traits are not accidental 'souvenirs' of pregnancy, but are purposefully retained within mothers and their offspring to promote genetic fitness by improving the outcome of future pregnancies. In this Review, we discuss the immunological implications, benefits and potential consequences of individuals being constitutively chimeric with a biologically active 'microchiome' of genetically foreign cells.
KW - Journal Article
KW - Review
U2 - 10.1038/nri.2017.38
DO - 10.1038/nri.2017.38
M3 - SCORING: Journal article
C2 - 28480895
VL - 17
SP - 483
EP - 494
JO - NAT REV IMMUNOL
JF - NAT REV IMMUNOL
SN - 1474-1733
IS - 8
ER -