Tag: "birth" at biology news

'Evo-devo' biology tackles evolutionary history's unanswered questions

...ogy with developmental biology has resulted in the birth of a new field, evolutionary developmental biology, or "evo-devo." Evo-devo scientists study the mechanisms that produce evolutionary changes in body plans over time. As one of the field's creators, Indiana University Bloomington biologist Rudolf Raf...

Equine cloning's triple play sheds light on calcium, cell signaling, human disease

...for the Advancement of Science annual meeting. The birth of the mule foal Idaho Gem on May 4, 2003, marked the first successful equine cloning. The births June 9 of Utah Pioneer and July 27 of Idaho Star, two more mules cloned from the same fetal mule skin cell line, added to the success of the University ...

Advances in equine cloning may aid insight into human diseases

.... Since Idaho Gem, the research team has seen the birth of two other cloned mules in 2003: Utah Pioneer, ... have 62 and horses have 64.) With the successful birth of Idaho Gem, Gordon Woods and colleagues found that increasing the calcium concentrations in the me...

Carnegie Mellon scientist says new technologies boost bio-terrorism surveillance

...and medication codes along with the name, address, birth date and social security number of each patient. Under the current ad hoc model of sharing data, widespread potential abuses are possible. For example, medical records for legislators, judges or law enforcement officials could be reproduced and sen...

NHLBI awards $68 million to fund clinical centers in pediatric heart disease

...births, are the largest contributor to deaths from birth defects. Despite the enormous strides researchers have made in understanding heart development at the cellular level, in many cases the underlying cause of the cardiovascular defect is unknown. And while clinical advances have made medical and surg...

Immerge reports PERVs most infectious to human cells not part of germ-line DNA of mini-swine

...mbia and Infigen, Inc., Immerge also announced the birth of cloned, double knock-out miniature swine that lack expression of the GGTA1 gene. This gene is responsible for rapid rejection of organs and makes the animal organs more compatible for potential human transplant....

Parkinson's disease genetic study progresses with $8 million grant

...d with no personal identification, such as date of birth or Social Security number. The discoveries may have an enormous impact on early detection, treatment and on the development of new and more effective drugs for treatment of Parkinson's disease, she said. ...

Substances found in blood may predict development of preeclampsia

...in turn, place them at risk for a variety of other birth complications. The Flt-1 molecule belongs to a class of molecules known as receptors, explained the study's principal investigator, Richard Levine, M.D., of NICHD's Division of Epidemiology, Statistics, and Prevention Research. Flt-1 sits on the s...

Two-drug approach might shorten painful labor, reduce Caesarean sections

...aches the target." Relaxin production increases as birth approaches in many species, but in humans it declines, and blood levels are extremely low in the third trimester when relaxin is needed the most, Sherwood said. The experimental rats used in the study were treated with antibodies to block relaxin's a...

Study calls for end to age thresholds for prenatal genetic testing

...screening to be at a similarly high risk of giving birth to an infant with Down's syndrome or another chromosomal abnormality. This threshold was chosen, in part, because 35 was the approximate age at which amniocentesis was cost-beneficial when testing guidelines were developed in the USA in the 1970s. Mi...

Gene essential for development of normal brain connections resulting from sensory input discovered

... of the growth of the brain that occurs soon after birth is the development and branching of dendrites-the part of a nerve cell that receives input from other neurons. Thus, this branching allows neurons to form many different synapses, or connections, with many other neurons, permitting much cross talk b...

A big surprise: Young nerve cells can rewind their developmental clocks

...had believed that it was possible to push back the birth date of a cortical neuron. There is this central t...g1 gene in late progenitor cells, after the normal birth date of CR cells had passed. In this way, they observed that cortical cells destined to become layer...

Stem cells illuminate early stages of human development

...h. Down the road, such knowledge may lead to fewer birth defects, a lower incidence of miscarriage, and improved health for women and infants. Co-authors of the new Endocrinology paper include Behzad Gerami-Naini, Oksana V. Dovzhenko, Maureen Durning and Frederick H. Wegner of the Wisconsin National Pri...

Regenerative chemical turns muscle cells into stem cells

...ell any more than one would expect a woman to give birth to her own mother. However, such phenomena do happen in nature from time to time. Some amphibians have the ability to regenerate body parts that are severed by using dedifferentiation. When the unlucky amphibian loses a limb or its tail, the ce...

Alcohol exposure in pre- and early post-natal stages may cause insulin resistance

... factors (those occurring about five months before birth and one month after) have been implicated in the d...n the group exposed to EtOH during lactation had a birth weight greater than 6.0 g. Among male offspring exposed to EtOH during pregnancy, 12 had a birth wei...

Practice-based interventions enhance quality of care

...nited States. The participants were monitored from birth to age three. All of the children received standard pediatric care. Some families received additional enhanced behavioral and developmental services provided as part of the Healthy Steps Program, while others did not. According to the study, families...

Genetic testing of embryos

...enetic Diagnosis (PGD), can help parents avoid the birth of a child with a devastating genetic disease or avoid prenatal genetic testing and subsequent pregnancy termination if a fetus is found to carry the gene mutation. PGD can also be used to select the sex or other genetic characteristics of embryos. ...

Mouse embryonic germ cells and male gametes created in the lab

...us how normal the gamete really is." Infertility, birth defects The ability to make both embryonic germ c...liest stages of development may also shed light on birth defects, Daley adds. "Germ cells are given the responsibility for perpetuating the species, and un...

Early treatment can prevent severe vision loss in premature infants

...ers identified 499 out of 828 infants diagnosed at birth with ROP as being at higher than usual risk for vi...oss, based on the computerized guide that assessed birth weight, ethnicity, gestational age, direct examination of the eye, whether the infant was a single o...

New advances in thrombosis help further understanding of disease prevention

...earchers have known that the use of hormones both birth control pills and estrogen increase a woman's ris...s of pregnancy that are known to negatively affect birth outcomes. "Loss of pregnancy is a physically and emotionally challenging ordeal. When pregnancy...

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