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Trophoblast in Medical News

Rogue bacteria involved in both heart disease and infertility

...ol from the trophoblast, and it also reproduces once inside the cell. Its the same old story, says Azenabor. Only this time the attacked cell is a trophoblast instead of a macrophage, and the depleted cholesterol hinders production of estrogen and progesterone instead of altering toxin production. Azenabo...

Discovery of widespread tumor growth gene holds promise for effective anti-cancer treatment

...ssed in placenta, an invasive normal tissue. The function of Trop-2 was a mystery until now, says Professor Alberti, but knowing its expression in the trophoblast (cells forming the outer layer of the blastocyst the stage between the fertilised egg and the embryo) during pregnancy, we thought that it might well...

Filling a Niche -- Role of Rb in Mammalian Stem Cells

...ned why: Rb is required for the maintenance of the trophoblast stem cell population, which is essential for forming the placenta. Specific loss of Rb in trophoblast stem cells results in an overexpansion of trophoblast cells, aberrant placental formation, and embryonic...

Analysis of Placenta Helps In Diagnosis of Autism At Birth

...stic children were three times more likely to have trophoblast inclusions. Dr.Havey.J.Kliman, the study author said, "We knew that trophoblast inclusions were increased in cases of chromosome a...pth analysis of study by examining the presence of trophoblast inclusions as an indicator of ASD in future studie...

Immune-Boosting Therapies Of No Use In Preventing Miscarriage

...03 women, the women received intravenous immune globulin antibodies, while the last one had 37 women who were treated with embryonic tissue called the trophoblast membrane. No difference was found in the instances of live birth births after 28 weeks of pregnancy between women treated with immune-boosting therapi...

Risk of preeclampsia in pregnant mothers may be inherited

...llows inheritance from the mother. Four STOX1 transcripts are articulated in early placenta. STOX1 is said to control polyploidization of extravillus trophoblast that leads to preeclampsia. This is because how the placenta develops in the early stages of pregnancy is what leads to the diseases of preeclampsia a...
Trophoblast in Medical Products

PAPP-A, Ultra-Sensitive ELISA Test

Description:... Pregnancy-associated plasma protein A (PAPP-A) is a large placenta-derived glycoprotein [1]. PAPP-A is produced in high concentrations by placental trophoblast cells, and is released into the maternal circulation in increasing concentrations throughout gestation until delivery [1]. PAPP-A is not specific to p...
Company:Diagnostic Systems Laboratories, Inc.

PAPP-A ELISA Test

Description:... Pregnancy-associated plasma protein A (PAPP-A) is a large placenta-derived glycoprotein [1]. PAPP-A is produced in high concentrations by placental trophoblast cells, and is released into the maternal circulation in increasing concentrations throughout gestation until delivery [1]. PAPP-A is not specific to p...
Company:Diagnostic Systems Laboratories, Inc.
Trophoblast in Biological News

Study of placenta unexpectedly leads to cancer gene

... player, SENP2," said Hsu, who also has an appointment in the URMC Center for Oral Biology. SENP2 (SUMO-specific protease 2) is highly expressed in trophoblast cells, which are the stem cells required to form the placenta. The placenta surrounds, protects and nourishes the developing fetus. While investigatin...

Vitamin D found to fight placental infection

...din. The study involved exposing cultured human trophoblast cells to the active form of vitamin D, leading to ...din and an increased antibacterial response in the trophoblast cells. The team, headed by Dr. Martin Hewison, ...ain this bacterial killing by protecting placental trophoblast cells from infection-associated cell death. The...

Human embryonic stem cells developed from 4-cell embryo; world first may lessen ethical concerns

...o manipulate. At this early stage important decisions are taken: inner cells will become the foetus (including germ cells) and outer cells will become trophoblast (the outermost layer of the embryo that attaches to the wall of the uterus and serves as a nutritive pathway). There was, until now, uncertainty about...

Key to early diagnosis of autism may be in the placenta

...lacental abnormality, specifically the presence of trophoblast inclusions, was a marker for ASD. The multidiscipl...se from 61 unaffected children for the presence of trophoblast inclusions. They found that the placentas from...ave the inclusions. Kliman and the team identified trophoblast inclusions by performing microscopic examinations ...
Trophoblast in Biological Technology

Stem Cells Illuminate Early Stages of Human Development

... released from the culture surface and grown in suspension," Golos explains. In that environment, the team subsequently observed the development of trophoblast cells from the embryoid bodies. These specialized cells are the building blocks that lead to the formation of the placenta, which orchestrates a mater...

Researchers report development of embryonic stem cells without destroying embryo

...leavage-stage embryos," said Young Chung, senior scientist at Advanced Cell Technology, and first author of the paper. "We generated five ES and seven trophoblast stem cell lines from single mouse embryo cells. The stem cells were able to generate all the cell types of body, including nerve cells, bone, and beat...
Trophoblast in Biological Dictionary

Trophoblast

Trophoblasts become inert during pregnancy and are completely ... Failure of the trophoblast to invade sufficiently is ... Trophoblast (Cytotrophoblast, ... trophoblast ( ) n. The outermost layer of cells of the blastocyst that attaches the fertilized ovum to the uterine wall ...

Inner cell mass

... What determines whether a cell is to become a trophoblast cell or a member of the inner cell mass ? ...ell - mass remains in contact, however, with the trophoblast at one ... On the deep surface of the inner ce...erentiation of the inner cell mass from the trophoblast ... Inner cell mass . The cells which are ...
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