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Tag: "placenta" at biology news

Poor prenatal nutrition permanently damages function of insulin-producing cells in the pancreas

...It also can occur with abnormal development of the placenta and its blood vessels, or high blood pressure, which damages vessels." In addition, many other factors can result in intrauterine growth restriction and low birth weight. The Joslin study, published in the March edition of Diabetes, reinforces what ...

Placenta Is A Rich Source Of Blood Stem Cells

... Meticulous experiments in mice revealed that the placenta harbors a large supply of hematopoietic (blood-for...elopment, such as the liver, the stem cells in the placenta can increase in number without giving rise to mature, specialized cells. ''There must be something ...

PET/MRI scans may help unravel mechanisms of prenatal drug damage

... cocaine pharmacokinetics down to the level of the placenta and individual regions of the fetal brain. "The M...d. The high uptake of radiolabeled cocaine in the placenta is also particularly relevant, the researchers said, because cocaine is known to constrict blood ves...

Drug Offers Alternative to Surgical Treatment After Miscarriage

...us may no longer be present, and women may carry a placenta and sac of amniotic fluid. In all of these cases, the standard treatment is a surgical procedure known as vacuum aspiration. In this procedure, the cervix is dilated, and a suction device is used to remove the uterine contents. As an alternative, wo...

Sleeping Sickness Epidemic Spreading in Uganda

...us may no longer be present, and women may carry a placenta and sac of amniotic fluid. In all of these cases, the standard treatment is a surgical procedure known as vacuum aspiration. In this procedure, the cervix is dilated, and a suction device is used to remove the uterine contents. As an alternative, wo...

OHSU research shows vitamin C counteracts some negative impacts of smoking on unborn babies

...pment problems. Specifically, nicotine crosses the placenta where it interacts with cells in the unborn infant's developing lungs. While past research in the Spindel lab has helped define how nicotine causes these changes, many of the specific mechanisms for infant lung development problems remain unknown. H...

Discarded placentas deliver researchers promising cells similar to embryonic stem cells

... publication in Stem Cells Express. A part of the placenta called the amnion, or the outer membrane of the amniotic sac, is comprised of cells that have strikingly similar characteristics to embryonic stem cells, including the ability to express two key genes that give embryonic stem cells their unique capab...

Baby's genes affect mom's cholesterol levels

...eins involved in fat metabolism from the blood and placenta of 525 pregnant women. Because all cells from the placenta originate from the fetus, they are a good indication of the genes and proteins produced by the baby....

Study uncovers placental microtransfusions lead to transmission of AIDS virus during childbirth

... in blood from the umbilical cord, which links the placenta to the baby, that would be an indication of mixing, that something tore in the placenta and leaked the mothers' virus-contaminated blood to the infant." Researchers then compared what the...

Liquid ventilation

... being born we carry this activity out through the placenta and subsequently by means of our lungs. In normal development, the lungs of the foetus are filled with amniotic liquid and, on being born, the first cry activates this respiration surface. But the main problem that premature babies have is that their...

Key to early diagnosis of autism may be in the placenta

... at Yale School of Medicine have discovered in the placenta what may be the earliest marker for autism, possib...lect abnormal folding of microscopic layers in the placenta and appear to result from altered cell growth. Kliman likened the presence of trophoblast inclusions...

Hair samples show babies can be exposed to 'crystal meth' while in the womb

...hed, indicating that the drug is able to cross the placenta directly to the developing fetus, say the authors. Only one newborn had no evidence of the drug in its hair. Fetal hair starts to grow at about 20 weeks. The authors say that the precise effects of crystal meth on a fetus are not fully known,...

Researchers discover that sheep need retroviruses for reproduction

...tical during the early phase of pregnancy when the placenta begins to develop. Retroviruses, such as human i...e enJSRVs are essential for the development of the placenta in sheep. Retroviruses are unique for their ability to permanently insert their genetic material i...

Molecules in blood foretell development of preeclampsia

... that an imbalance of two proteins produced by the placenta is responsible for the symptoms of preeclampsia. ...ed that the prevailing theory holds that, when the placenta isn't able to absorb sufficient oxygen from the mother's blood, it begins secreting both sFlt1 and s...

New findings could lead to vaccine for severe malaria

...particularly dangerous in that it also infects the placenta of pregnant women, with fatal consequences for bot... student who has been working with the study. "The placenta seems to be an anatomically favourable environment for a subpopulation of the parasites." The resea...

A revolution in the monitoring of unborn babies

...s growing poorly or where it is suspected that the placenta is unhealthy and hence the fetus may become compromised due to lack of oxygen.? In England during 2004 and 2005 17 per cent of inpatient cases for women in NHS hospitals were due to complications of pregnancy or childbirth. By helping to detect po...

Tumor-suppressor gene is critical for placenta development

... to most of the placenta, resulting in an abnormal placenta and death of the embryos. The findings provide new insights into development of the placenta and into how the Rb gene blocks tumor growth. They also raise the possibility that this important...

Scientists discover new, readily available source of stem cells

...l. "It has been known for decades that both the placenta and amniotic fluid contain multiple progenitor cel...ar stem cells were isolated from "afterbirth," the placenta and other membranes that are expelled after delivery. Atala said a bank with 100,000 specimens t...

Researchers identify ovarian cancer biomarkers

...s that experience blood vessel growth, such as the placenta or endometrium. This suggests that the markers are specific to tumors and would not be mistaken for normal blood vessel growth in women of reproductive age. If the markers do prove to be specific to ovarian tumors, researchers believe that could b...

100 percent of pregnant women have at least one kind of pesticide in their placenta

...tividad hormonal (Maternal-child exposure via the placenta to environmental chemical substances with hormonal...d that the most frequent pesticides present in the placenta tissue are DDE (92.7%), lindane (74.8%), endosulfan diol (62.1%) y endosulfan-I (54.2%). Among these...

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