نتایج جستجو برای: syncytiotrophoblast
تعداد نتایج: 644 فیلتر نتایج به سال:
Placental insufficiency jeopardizes prenatal development, potentially leading to intrauterine growth restriction (IUGR) and stillbirth. Surviving fetuses are at an increased risk for chronic diseases later in life. IUGR is closely linked with altered trophoblast and placental differentiation. However, due to a paucity of mechanistic insights, suitable biomarkers and specific therapies for IUGR ...
In the fight against cancer, new and more specific targets are needed. Here, we offer an example of a potential target that has not been widely studied, namely the syncytin protein. Syncytin is expressed mainly in the human placenta and is implicated in placental syncytiotrophoblast cell fusion. Not much is known about the role of syncytin in cancer, but the existing data call for more intense ...
In most mammalian species, a critical step of placenta development is the fusion of trophoblast cells into a multinucleated syncytiotrophoblast layer fulfilling essential fetomaternal exchange functions. Key insights into this process came from the discovery of envelope genes of retroviral origin, the syncytins, independently acquired by the human (syncytin-1 and -2), mouse (syncytin-A and -B),...
Human chorionic gonadotropin (hCG) is a key autocrine/paracrine regulator of placental syncytiotrophoblast, the transport epithelium of the human placenta. Syncytiotrophoblast hCG secretion is modulated by the partial pressure of oxygen (pO2), reactive oxygen species (ROS) and potassium (K+) channels. Here we test the hypothesis that K+ channels mediate the effects of pO2 and ROS on hCG secreti...
The human placenta is characterized by the intensity of the trophoblast invasion into the uterus wall and the specificity of its hormonal functions. Placental hormones are required for the establishment and maintenance of pregnancy, adaptation of the maternal organism to pregnancy and fetal growth. In the early placenta at the maternofetal interface, the human trophoblast differentiates along t...
The trophoblast transcription factor glial cell missing-1 (GCM1) regulates differentiation of placental cytotrophoblasts into the syncytiotrophoblast layer in contact with maternal blood. Reduced placental expression of GCM1 and abnormal syncytiotrophoblast structure are features of hypertensive disorder of pregnancy--preeclampsia. In-silico techniques identified the calcium-regulated transcrip...
The human placenta performs numerous functions during its limited lifespan and its survival is a necessary prerequisite for fetal nutrition, even in unfavourable conditions. BCL-2 is a proto-oncogene implicated in the regulation of cell death and survival without affecting cell proliferation. An extracellular matrix molecule involved in the reparative and degenerative processes in the human pla...
To study the apoptosis and its mechanism at the fetal-maternal interface of early gestation, localization of apoptotic cells in the implantation sites of the rhesus monkey on day 17, 19, 28 and 34 of pregnancy were first examine by using the TUNEL technique. The expression of Ki67, a molecular marker of proliferating cells, and two apoptotic proteins, B cell lymphoma/leukaemia-2 (Bcl-2) and P53...
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