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

...crawling out of bed. The childs rocky relationship with sleep often persisted until he or she was 30 month...s controlled data for other factors already linked with poor sleep quality in children, including a mothers level of post natal anxiety or depression, her ...

St. Jude study solves mystery of mammalian ears

...ht of the cilia in the fluid to maximize the force with which the cilia oscillate. That, in turn, would amplify the sound. An opposing group of scientists maintains that although the vibration of the outer hair cell body itself—somatic motility—does maximize the vibration of the cilia, the cell body works...

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

...s the understanding of why HIV enters immune cells with ease. The researchers found that after HIV docks o...mbranes to curve, a necessary step for HIV to fuse with an immune cell as it infects it.” The Carnegie Mellon scientists used X-rays to study how HIV fusio...

Genomic Analysis Uncovers New Targets for HIV Vaccine

...ee gene variants in the DNA of 486 people infected with HIV that appear to have helped some of the patient...niversity and is the first large cooperative study with major findings arising from the Center for HIV/AIDS Vaccine Immunology, (CHAVI) a seven-year project...

Scratch no more: Gene for itch sensation discovered

...hronic itching can be very disruptive, interfering with sleep or giving rise to scratching that leads to s...n, Ph.D., injected the spinal cords of normal mice with a substance that stimulates GRPR, the mice started scratching themselves as if they had a bad itch. ...

FDA sees nanotech challenges in every product category it regulates

...sk Force report, FDA will not be able to keep pace with today’s rapidly developing nanotechnology market o...resources—which for two decades have not kept pace with inflation—making sure that FDA has the capacity to safely manage nanotechnology must be the shared r...

One species, many genomes

...s compared the genetic material of 19 wild strains with that of the genome of the lab strain, which was se...the extent of the project. The data were evaluated with several specially designed statistical methods, including a variant of machine learning. The resul...

Identified main genetic variants involved in response to HIV

...al Mútua de Terrassa. Research has been conducted with the latest genomics and bioinformatics technologie..., HLA-B variation presents the highest correlation with the immune response described until now. Obtained information will be very useful in the long road...

Art and music for the birds

...g the musical tastes of our fine feathered friends with an exhibition featuring four 10-foot red perches o...t of art for the birds hatched from a conversation with co-creator John Walsh, a video artist, who sent Demaray sounds made by the catbird, an avid apprecia...

Nicotine rush hinges on sugar in neurons

...end the signal that announces a smoker’s high" As with other questions involving good sensations, the ans... University of Southern California study appearing with a commentary in Nature Neuroscience online proposes a role for sugar as the hinge that opens a gate ...

Common cancer gene sends death order to tiny killer

...ing that p53 controls miR-34a, they next teamed up with Charlie Lowenstein, M.D., and his colleagues in Hopkins's department of medicine to put miR-34a into colon cancer cells. Doing this killed cells that contained p53, but fewer were killed in cells lacking p53, further suggesting that this microRNA get...

Research identifies protein that signals flowering in squash plants

...em to the floral meristems, where it acts together with other factors to induce flowering. The precise nat...over 70 years, owing to the difficulties attendant with the accurate detection and measurement of compounds in phloem sap, and designing experiments to allo...

Cellular message movement captured on video

...arrying protein called paxillin (orange) in tandem with actin filaments (green). Credit: UC San Diego Sci...l surface toward the nucleus. Paxillin was labeled with a red fluorescence marker to make it stand out in live cells. Video available at http://video-jsoe....

Researchers discover inherited mutation for leukemia

...he first time a gene that appears to be associated with hereditary CLL," says coauthor John C. Byrd, profe...ogenesis of CLL, and direct us to target this gene with therapies that might re-activate it." The findings also provide evidence that some genes might c...

Agent slows aging in mice

...control mice had died of natural causes associated with aging. “This is the first time to my knowledge when an agent has been shown to extend median life span in three laboratories,” says Miller, professor of pathology at the U-M Medical School and associate director of the U-M Geriatrics Center. Mill...

Enzyme delivered in smaller package protects cells from radiation damage

...gh School of Medicine research team, collaborating with scientists from Stanford University, have develope... Convention & Trade Center, Seattle. Combined with intensive chemotherapy, high dose whole-body irradiation often is given to patients with blood and l...

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

...n immune-compromised individuals, such as patients with HIV or individuals with certain skin conditions such as eczema,” says Robert A. Salata, M.D., chief of the Division of Infec...

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

...ctures that act as power plants to supply the cell with energy, but also hold the keys to the cells’ life and death. The process by which the membranes develop holes—mitochondrial outer membrane permeability (MOMP)—is often the “point of no return” for self-destruction, said Douglas Green, Ph.D., ch...

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

...have widely considered to be detrimental in people with the disease. The findings could also renew efforts...ad, to the team’s surprise, the brains of the mice with IL-1beta stuck in overdrive had only about half “This work provides evidence that blocking all in...

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

... of chemotherapy and radiation treatment in people with advanced throat cancer, according to a study publi...ional Institutes of Health (NIH), in collaboration with researchers of the University of Michigan, found that throat cancer patients who showed a decline in...

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