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St. Jude study solves mystery of mammalian ears

...bility to discriminate among frequencies. The work also highlights the importance of basic hearing research in studies into the causes of deafness. A report on this work appears in the advanced online issue of “Proceedings of the National Academy of Science.” “Our discovery helps explain the mechanics o...

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

...ective barrier for the cell against intruders, yet also contain molecules to recognize and communicate with other cells or get nutrients. Cells also communicate with one another via small, membrane-bound vesicles that contain proteins or other molec...

Genomic Analysis Uncovers New Targets for HIV Vaccine

...amongst individuals in how they control HIV-1, but also point torward new mechanisms of control," said Goldstein, director of the Center for Population Genomics and Pharmacogenetics at Duke's Institute for Genome Sciences & Policy . Goldstein is the senior author of the paper. "As we expand the numb...

One species, many genomes

...t to understand the genetic potential of a species also fuels current efforts in human genetics." Still,...arieties. How environment and genome interact is also the goal of new, even more powerful methods. While the technology used so far can only identify gene...

Identified main genetic variants involved in response to HIV

...uring the first two years after the infection, and also to the rhythm of immune degradation as a result of...and destroys cells infected by HIV. This study has also identified a third genetic variation involved in immune damage of patients, particularly in a gene e...

Art and music for the birds

...e and Green,” and Led Zepplin’s “Kasmir.” They may also hear songs about the winged life like “Marching Jaybird” by Etta Baker, “Birds” by Neil Young, and “I’m a Cuckoo” by Belle and Sebastian. “If we’re going to give birds music, we might as well give them what we consider to be our masterpieces. But t...

Nicotine rush hinges on sugar in neurons

...gar is critical, in my opinion.” The researchers also found a water molecule deep in the receptor’s core...you felt that you connected the dots.” The study also represents a tour de force of protein crystallography. Homologs of nAChR had been studied at the ato...

Cellular message movement captured on video

...ich with receptors for growth factors and they are also structural attachment points that link the extrace... or is pulled by them. In a surprise, Chien and Hu also showed that paxillin itself forms long, fibrous structures in the cell cytoplasm.When actin is chemi...

Researchers discover inherited mutation for leukemia

...tify people at risk for chronic leukemia, but they also may provide new insights into the process of natur... internal medicine and a CLL specialist. "They also show the importance of the gene in the pathogenesis of CLL, and direct us to target this gene with t...

Agent slows aging in mice

...e director of the U-M Geriatrics Center. Miller is also a research scientist at the Ann Arbor VA Medical Center. No significant difference occurred in female mice. The scientists can’t explain why at this point. “We don’t know how NDGA is having its effect on survival in this first analysis,” Miller sa...

Enzyme delivered in smaller package protects cells from radiation damage

...ansfected with MnSOD in a full-sized plasmid. They also irradiated a parent mouse cell line that had not b...r systemic cancers better long-term outcomes. This also has implications for the prophylactic protection of those who may be the first responders to a nucle...

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

...ling the main suicide pathway called apoptosis can also foil a backup self-destruct program, which allows ...rvive and become cancerous. The St. Jude study also suggests that a drug that disrupts a cancer cell’s ability to block this backup program would allow ...

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

...tal in people with the disease. The findings could also renew efforts to develop a vaccine or other strate...nimals and a few people with the disease, but it’s also been fraught with difficulty, producing side effects such as encephalitis or severe brain inflammati...

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

...associated with the worst survival. The article is also available online at Wiley Interscience ( http://ww...n the blood before the start of chemotherapy. They also gathered other potentially important prognostic information, like age, sex, total bilirubin and pres...

Soils offer new hope as carbon sink

...terest in a technology to create clean energy that also locks up carbon in the soil for the long term and ...holding capacity was raised," he said. The trials also measured gases given off from the soils and found significantly lower emissions of carbon dioxide an...

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

...itially, the animal learner made large errors, but also stored the information about its mistakes in a mem...e a prediction on how to move, which in turn would also be memorized. While short term memory was periodically purged, repeated errors were transferred to a...

Threats to wild tigers growing

...nnect 12 reserves. Tiger conservation efforts have also been successful in the Russian Far East. Many tige...peration among nations that harbor the animal will also be essential. Dinerstein and his coauthors conclude by recommending that these countries appoint "ti...

Researchers find 24 species believed new to science in Suriname rainforest

...12 dung beetles and an ant species. The scientists also found 27 species endemic to the Guayana Shield region comprising Suriname and neighboring Guyana, French Guiana and northern Brazil, including a rare armored catfish, Harttiella crassicauda, feared extinct because gold mining activities had contamina...

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

...nes. “It stands to reason that mutations could also interfere with genes, but our ongoing research loo...ale mice that are exposed to firsthand smoke. They also plan to study the effects of secondhand smoke on male mice as well the possibility that the eggs of ...

Old memory traces in brain may trigger chronic pain

... the sensitivity of the formerly injured site. It also controlled nerve pain resulting from chemotherapy,... in the sensory part of the thalamus. Apkarian also found that the longer a person has been suffering from chronic pain, the more activity in the prefro...

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Breaking Biology News(10 mins):Micro Market Monitor: North America Perimeter Security Systems Market (Intrusion Detection Sensor, Video Surveillance, Communication/Alarm and Notification, Access Control System) 2Micro Market Monitor: North America Perimeter Security Systems Market (Intrusion Detection Sensor, Video Surveillance, Communication/Alarm and Notification, Access Control System) 3HITLAB Completes GCP Audit for FDA Smart Device & App Compliance 2Biometrics Market in the APAC Region 2015-2019: Key Vendors are 3M Cogent, NEC, Safran and Suprema 2
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