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Prenatal Stress Keeps Infants, Toddlers up at Night, Study Says

...eeping, even hunger that is, if its formation has not been disrupted. This could explain why sound s...nt come easily to kids whose signaling systems may not be properly calibrated, OConnor said. However, more research is needed to monitor this signaling pat...

St. Jude study solves mystery of mammalian ears

... the role of somatic mobility driven by prestin is not simply to modify the response of the outer hair ce...ously discovered mutated form of prestin that does not make the outer hair cells contract in response to incoming sound waves as normal prestin does. Inste...

Genomic Analysis Uncovers New Targets for HIV Vaccine

...riants are known as polymorphisms. "These results not only approximately double our understanding of the...recognizing the virus as foreign. HLA-C however is not thought to be turned off by HIV-1. The new results suggest that for some individuals at least HLA-C ...

FDA sees nanotech challenges in every product category it regulates

...recommendations in the Task Force report, FDA will not be able to keep pace with today’s rapidly developi... products has more than doubled in a year. It does not include nanotech consumer products which companies do not identify as such, or the hundreds of nano ...

One species, many genomes

...st every tenth gene was so defective that it could not fulfill its normal function anymore! Results suc... the DNA sequence of a single individual is by far not sufficient to understand the genetic potential of a species also fuels current efforts in human gene...

Nicotine rush hinges on sugar in neurons

...Stevens of The Scripps Research Institute, who was not involved in the study, called it “a landmark accom...biology at USC. Many existing theories, which do not consider sugar’s role, are probably incomplete, Chen said. The debate over how signals pass from t...

Research identifies protein that signals flowering in squash plants

... CONSTANS (CO) and FLOWERING LOCUS T (FT). CO does not appear to travel long distances through the phloem...an obligate SD plant. In day-neutral plants, it is not possible to manipulate flowering by altering the daylength. By contrast, obligate SD plants will rem...

Cellular message movement captured on video

...Engineering. “But it’s really very complex and I’m not sure we’re covering much as yet. We certainly don’... understand the details of these processes, we can not only understand how normal cells function, but we can also look at diseased cells to see why they so...

Researchers discover inherited mutation for leukemia

...his latter alteration is a chemical change that is not inherited. The findings could help identify pe...enes might contribute to cancer even when they are not silenced entirely. "This inherited change is remarkably subtle," says co-principal investigator ...

Enzyme delivered in smaller package protects cells from radiation damage

... also irradiated a parent mouse cell line that had not been transfected with MnSOD. After irradiation, the cells were plated in a growth medium and incubated at body temperature for 7 days at which time colonies of greater than 50 cells were counted. The MnSOD transfected cells were significantly mor...

Innovative smallpox vaccine research study to be conducted at Case Medical Center

...o. The current FDA-approved vaccine, Dryvax®, is not recommended for use on everyone because of the pot...Volunteers must be in general good health and must not have previously been vaccinated against smallpox. Smallpox is a contagious and sometimes fatal in...

Cells re-energize to come back from the brink of death

...f CICD is activated. However, some cancerous cells not only dodge death from apoptosis by eliminating caspase activation, but they also foil CIDC. “Our study sought to understand how a cancer cell without caspase activation bypasses CICD as well,” Green said. The St. Jude team discovered that a cell...

Brain inflammation may be friend, not foe, for Alzheimer's patients

Inflammation in the brain may not be so bad after all when it comes to Alzheimer’s d...mbulance crew helping at the site of a road wreck, not causing the crash. The work suggests that doctors not rush in to turn off molecular events that s...

Blood test may help signal tumor's remission, return in throat cancer patients

...levels related to other illnesses or injuries, and not to throat cancer; therefore, they caution that further studies are needed in larger groups of patients to confirm if this could be a useful tool to monitor for cancer, infection, or other complications. In addition, because IL-6, IL-8, VEGF, and HGF ...

Pregnant mom's exposure to flu vaccine kick-starts fetal immune system

...he theory that the human neonatal immune system is not deficient or incompetent but, rather, capable of responding to environmental exposures. These conclusions have important implications for determining when immune responses to environmental exposures begin....

Soils offer new hope as carbon sink

...ale than the burning of fossil fuels. "So it is not surprising there is so much interest in a technolo...e form of agrichar." Unfortunately, agrichar is not widely available. BEST Energies Australia, a company involved with NSW DPI in the trials, has a pilo...

Cigarette smoke alters DNA in sperm, genetic damage could pass to offspring

...epeated portions of DNA, called Ms6-hm, which does not contain any known genes. The “smoking” mice were e...r particulate pollution. While the researchers did not specifically study the protein-coding regions of DNA where genes reside, Yauk notes that previous st...

Old memory traces in brain may trigger chronic pain

... a bigger effect on suffering.” Chronic pain is not caused by a single mechanism, Apkarian noted. Sens...pect people to say I still have the pain, but it’s not bothering me anymore,” Apkarian said. “We think they will have a physical awareness of the pain, but...

Gene therapy delivery of nerve growth factors reverses erectile dysfunction in animal model

...s long as it is alive and nerve cells typically do not reproduce, this represents the first-ever demonstration of a long-term treatment for ED that does not rely on the chronic administration of drugs that can have potentially harmful side effects," he expl...

Modeling the restless brain

... model suggests that the cortical resting state is not time-invariant, but instead contains rich and inte...nections. It also could help explain why humans do not think alike. "If fluctuations in brain activity are shaped by anatomy," Sporns said, "then indiv...

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