Tag: "malformations" at biology news

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

...ich associate exposure to pesticides with neonatal malformations if the genito-urinary system, such as cryptorchidism (undropped testicles) and hypospadias (total fusion of the urethral folds). The UGR researcher underlines the fact that, in spite of "inadvertent exposure", "it is possible to control pesticide ...

New hereditary breast cancer gene discovered

...thre-Chotzen is a syndrome that primarily involves malformations of the skull, face, hands, and feet. The syndrome is caused by mutations in a gene called TWIST1. "Our findings show that women with this syndrome run a nearly twenty times greater risk of contracting breast cancer than expected. Moreover, many o...

Novel pathway regulates timing of brain cell development

...m altered functioning of these genes causes subtle malformations in the brain's circuitry. "Changes in the timing in which different neural cells are produced could lead to alterations in brain wiring," he says. "This would lead to alterations in cognitive function such as those seen in schizophrenia--which is now...

Making a face: A new and earlier marker of neural crest development

...ous system. In humans, cleft palate, heart valve malformations and various tumors are among the common malformations associated with disruption of neural crest development. Chick embryos have well-characterized sta...

Fertility drugs given 'all-clear' in new study

...difference in the overall rates of major and minor malformations or chromosomal abnormalities between newborns in the two groups," says Dr. Tulandi. "Our findings indicate concerns about a link between letrozole and birth defects are unfounded. This is significant because it confirms that letrozole can indeed be ...

Chernobyl: The true scale of the accident

...there been any evidence of increases in congenital malformations that can be attributed to radiation exposure. ... modest but steady increase in reported congenital malformations in both contaminated and uncontaminated areas of Belarus appears related to better reporting, not ra...

One hit of crystal meth causes birth defects

...ted with low birth weight, cleft palates and other malformations but this is the first research demonstrating that even a single exposure can cause long-term damage," says Wells. "It's pretty remarkable that a single low dose can have such an effect. "It's an important finding, given the increasing use of club dr...

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