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

...or she was 30 months old. A similar effect was found in children born to mothers who were depressed during pregnancy. These prenatal mood disturbances worked as reliable predictors of childrens sleep problems even when investigators controlled data for other factors already linked with poor sleep q...

Carnegie Mellon scientists find key HIV protein makes cell membranes bend more easily

...HIV enters immune cells with ease. The researchers found that after HIV docks onto a host cell, it dramatic...drug discovery and prevent deadly infections. “We found that HIV fusion peptide dramatically decreases the amount of energy needed to bend a cell-like membr...

Genomic Analysis Uncovers New Targets for HIV Vaccine

... primary goal of CHAVI." Two of the polymorphisms found were in genes controlling the human leukocyte antigen (HLA) system, which plays a major role in the immune system by identifying foreign invaders and "tagging" them for destruction. Two of the HLA genes, known as HLA-A and B, are turned off by HIV w...

Scratch no more: Gene for itch sensation discovered

...sing peptide receptor), which codes for a receptor found in a very small population of spinal cord nerve ce...in. The researchers, led by Zhou-Feng Chen, Ph.D., found that laboratory mice that lacked this gene scratched much less than their normal cage-mates when giv...

FDA sees nanotech challenges in every product category it regulates

...hnology consumer products being sold. These can be found in an online inventory maintained by the Wilson Center’s Project on Emerging Nanotechnologies (see: www.nanotechproject.org/consumerproducts ),” said Rejeski. “The number of listed products has more than doubled in a year. It does not include nanote...

One species, many genomes

...very different in the wild varieties, or cannot be found at all. Almost every tenth gene was so defective that it could not fulfill its normal function anymore! Results such as these raise fundamental questions. For one, they qualify the value of the model genomes sequenced so far. "There isn’t such a ...

Nicotine rush hinges on sugar in neurons

...s critical, in my opinion.” The researchers also found a water molecule deep in the receptor’s core – significant because proteins normally are filled with hydrophobic (water repellent) matter that helps the structure hold its shape, Chen said. The water molecule may enable the receptor to alter its sh...

Common cancer gene sends death order to tiny killer

...ells known to contain damaged or missing p53, they found that those cells had limited or zero miR-34a. "With no p53 gene or miR-34a to stem tumor development, there's no brake in pancreatic cells and uncontrolled growth leads to cancer," says Anirban Maitra, M.B.B.S., associate professor of pathology, ...

Research identifies protein that signals flowering in squash plants

...nce could lead to confounding results. The authors found that C. moschata plants could be induced to flower under the normally non-inducing LD conditions following ectopic expression of FT by the ZYMV vector. Analysis of such induced plants showed that the infection zone of ZYMV was not coincident with the...

Cellular message movement captured on video

...e same direction as the fluid flow. Paxillin is found primarily at focal adhesions, busy intersections o...o the many other signaling and structural proteins found predominantly at focal adhesions. “When we piece all of these things together we can get a more c...

Researchers discover inherited mutation for leukemia

... Comprehensive Cancer Center. The mutation was found in a gene called DAPK1, which normally helps trigger the death of cells before they become cancerous. Researchers identified the mutation by testing a family in which the father, four sons, a grandson and a distant female relative developed this form...

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

...e cell can replace these vital components. “We found that in the absence of caspase activation, cells that avoided CICD took about a week or so to begin multiplying again,” Green said. “This might represent the time it takes for the cell to restore enough mitochondria to allow the cell to function norm...

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

...on, was one of the first molecules that scientists found in higher levels in the brains of people with Alzh...r’s disease. O’Banion notes that some studies have found that taking medications to squelch inflammation, such non-steroidal anti-inflammatory drugs or NSAID...

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

...on with researchers of the University of Michigan, found that throat cancer patients who showed a decline i... five proteins that, in previous studies, had been found to occur at heightened levels in head and neck cancer patients. These include two cytokines known as...

Releasing fish for the future

.... Dr Broadhurst said some of these actions were found to massively boost fish survival. “Simply cutting the line rather than attempting to remove hooks swallowed by mulloway and yellowfin bream increased their survival from 12 percent to more than 85 percent. “Up to 76 percent of the released li...

Liver cancer patients with high serum levels of hepatitis B virus face poorer outcomes

...ts with liver cancer undergoing chemotherapy. They found that patients with high pre-chemotherapy levels of HBV DNA had a significantly increased incidence of severe hepatitis which was associated with the worst survival. The article is also available online at Wiley Interscience ( http://www.interscience....

Soils offer new hope as carbon sink

...s also measured gases given off from the soils and found significantly lower emissions of carbon dioxide and nitrous oxide (a greenhouse gas more than 300 times as potent as carbon dioxide). NSW DPI environmental scientist Steve Kimber said an added benefit for both the farmer who applies agrichar and t...

Math that powers spam filters used to understand how brain learns to move our muscles

...ental results of the monkeys almost perfectly. “We found that this Bayesian model can explain almost all of the phenomena we observe in regard to learning motor movements,” says Shadmehr. Beyond possible use in helping stroke patients, the new tool might also be applied to better understand how we lear...

Researchers find 24 species believed new to science in Suriname rainforest

... miles) southeast of Paramaribo, the capital. They found a virtually unexplored region of mountain savannah...ng beetles and an ant species. The scientists also found 27 species endemic to the Guayana Shield region comprising Suriname and neighboring Guyana, French G...

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

...the study's co-authors. Yauk and her colleagues found that the rate of Ms6-hm mutations in the smoking mice were 1.4 times higher than that of non-smoking mice at six weeks, and 1.7 times that of non-smoking mice at 12 weeks. “This suggests that damage is related to the duration of exposure, so the long...

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Breaking Biology News(10 mins):iPhone 5S Fingerprint Sensor - Apple/AuthenTec TMDR92 & Sapphire - Technology Report 223andMe Study Sketches Genetic Portrait of the United States 223andMe Study Sketches Genetic Portrait of the United States 323andMe Study Sketches Genetic Portrait of the United States 4Samsung Galaxy S5 - Home Button Synaptics Fingerprint Sensor Technology Analysis 2
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