Der Trophoblast stellt die äußere Zellschicht einer Blastozyste dar und verbindet diese mit der Gebärmutterwand. Er bildet sich am 5. bis 12. Molecular mimicry is defined as the theoretical possibility that sequence similarities between foreign and self-peptides are sufficient to result in the cross. Abstract. Pregnancy is a unique immunological state in which a balance of immune tolerance and suppression is needed to protect the fetus without compromising the mother. Abstract. Pregnancy is a complex immunological state in which a bias towards T helper 2 (Th2) protects the fetus. Evidence suggests that proinflammatory cytokines. Immune tolerance in pregnancy or gestational/maternal immune tolerance is the absence of a maternal immune response against the fetus and placenta, which thus may be. Learning Objectives. Describe some theoretical mechanisms of autoimmune disease. Give examples of known or suspected triggers for autoimmune disease. A new progesterone antagonist, ulipristal has been made available as an emergency contraceptive. Ulipristal’s major mechanism of action as an emergency. 概要. マイクロキメリズムは血液または臓器移植、妊娠などで起こることが知られている。特に妊娠中は母親と胎児の間で. .