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Tag: "good" at biology news

A gene's first 'kiss' sets off that affair known as puberty

... to human development. And while there is a fairly good understanding of how the endocrine system regulate...d female puberty, respectively. "We now have very good evidence that the GPR54 gene and its switch, the kisspeptin protein molecule produced by KiSS-1, are...

Poor prenatal nutrition permanently damages function of insulin-producing cells in the pancreas

...al weight." Because studies of mice generally are good predictors of human biology, the Joslin study has important implications. "People and their doctors need to understand that prenatal undernourishment makes a person permanently at higher risk for developing diabetes, so prenatal care is important," D...

Elusive HIV shape change revealed; Key clue to how virus infects cells

...ges, including difficulty in getting gp120 to form good crystals. "Without very well-ordered crystals you get a very blurry picture," explains Harrison. "It took a very long time, and lots of computational work, to get that picture to sharpen up enough to get an answer." One of the lab's first steps wil...

Plants respond similarly to signals from friends, enemies

...od factors, the plant's root hairs curl around the good bacteria. The rhizobia then migrate into the root and form special structures called nodules, where they turn atmospheric nitrogen into usable nitrogen for the plant and, in return, take some of the plant's energy to survive. A similar relationship a...

HIV Patients May Be at Risk of Heart Problems When Taking Protease Inhibitor Drugs

...at we've identified can be managed, and that's the good news." Collaborations The research team also included Blake Anson, Ph.D., University of Wisconsin; Joel G.R. Weaver, M.D., Mayo Clinic and the University of Ottawa; Omobosola Akinsete, M.D., and Keith Henry, M.D., University of Minnesota and HIV Pr...

U-M scientist to talk about tissue engineering at AAAS

Scientists have a pretty good handle on how to teach human cells to do tricks in a laboratory---things like getting soft cells from the mouth's lining to form bone. But in the real world, accomplishing such feats is more complex. Regenerating the jaw bone of a person undergoing ...

Finding Cures For Tropical Diseases: Is Open Source An Answer?

...en Source an Answer?" The whole article is a very good read; a summary from ScienceDaily is available in the full post. Onlyabout 1% of newly developed drugs are for tropical diseases, such asAfrican sleeping sickness and dengue fever. While patent incentiveshave driven commercial pharmaceutical comp...

Genome-wide mouse study yields link to human leukemia

...e study. "It's also validated our mouse model as a good predictor of what happens in the development of human disease," he added. The findings appear in Nature Genetics online at http://www.nature.com/ng/. "This is the first time anyone has examined methylation in leukemia on a genome-wide basis in a mo...

Learning to fight an adversary that won't stay down

...causes methicillin-resistant tuberculosis, provide good examples of the challenges we face, says Dr. Davies. Ironically, he says, advances in molecular biology techniques have shown just how adept these pathogens are at adapting to anything we can throw at them. Innovations such as highly efficient polym...

Spider Venom Could Yield Eco-Friendly Insecticides

...ave increased, according to King. "We have a very good reason to look for a safer, nontoxic, and more efficient pesticide. More than a billion pounds of pesticides are sprayed in the U.S. every year. That's four pounds per person. A millionth of a pound can sometimes be deadly. And the chemical toxins th...

Gene variations explain drug dose required to control seizures

...ts, transporters and drug metabolizing enzymes are good starting points for understanding variation among patients in drug response." In Parkinson's disease, for example, a pharmacogenetic test might assist physicians in prescribing the drug dose that will balance short-term control of tremors with long-...

BRCA1 causes ovarian cancer through indirect, biochemical route

... result: ovarian cancer. This finding is actually good news for scientists and physicians trying to figure out new ways to treat ovarian cancer. If the cancer had arisen in the same cells that had the BRCA1 mutation, the only way to interfere would be to correct the mutation. In this case, however, there...

Scientists rid stem cell culture of key animal cells

...f the Nature Methods paper. "This development is a good step in that direction. Also, clinically, the feeder cells were one of the main sources of potential contamination with pathogens, so their elimination should improve safety. However, not all the animal components have been removed from the media yet...

First-ever Compounds To Target Only Metastatic Cells Are Highly Effective Against Breast, Prostate, And Colon Cancers

...r trial seemed to experience minimal toxicity -- a good sign that patients might tolerate these compounds, too," Dr. Huang said. "It's all very exciting," he said. "Metastatic disease is such a tough problem, and these compounds could provide patients with a brand new kind of hope." The research was fun...

Study: Soap And Water Work Best In Ridding Hands Of Disease Viruses

...using viruses than simply washing one’s hands with good old-fashioned soap and water. Among the viruses soapy hand washing flushes down the drain is the one that causes the common cold. Other removable viruses cause hepatitis A, acute gastroenteritis and a host of other illnesses. A separate key finding...

Gene Therapy For Parkinson's Disease Moves Forward In Animals

...nly be amenable for early stage patients to keep a good quality of life. It would be a huge change in the way treatment is done,?said Mandel, a neuroscientist in UF's College of Medicine. “We know the GDNF protects the neurons in primates from the model that we use, so that's good. We now know we can use ...

Jumping gene helps explain immune system's abilities

...processes," says Craig. "It also is likely to be a good model tofigure out what's happening early on in V(D)J recombination."Understanding how Hermes and other jumping genes work also holds cluesto fighting bacterial infections, improving gene therapies and tacklingdisease-carrying insects, Craig notes. B...

UCSD Discovery Shows How Embryonic Stem Cells Perform 'Quality Control' Inspections

...processes," says Craig. "It also is likely to be a good model tofigure out what's happening early on in V(D)J recombination."Understanding how Hermes and other jumping genes work also holds cluesto fighting bacterial infections, improving gene therapies and tacklingdisease-carrying insects, Craig notes. B...

New therapy for HIV/AIDS eliminates needles and excessive toxicity

...processes," says Craig. "It also is likely to be a good model tofigure out what's happening early on in V(D)J recombination."Understanding how Hermes and other jumping genes work also holds cluesto fighting bacterial infections, improving gene therapies and tacklingdisease-carrying insects, Craig notes. B...

Gene sequencing explains bioremediation 'bug'

...processes," says Craig. "It also is likely to be a good model tofigure out what's happening early on in V(D)J recombination."Understanding how Hermes and other jumping genes work also holds cluesto fighting bacterial infections, improving gene therapies and tacklingdisease-carrying insects, Craig notes. B...

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