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Tag: "medicine" at biology news

Syphilis rate on rise in US gay, bisexual men

...5. Khalil Ghanem, M.D., assistant professor of medicine at Johns Hopkins University School of Medicine, said rates among gay men could be going up for several reasons, including illicit drug use and "safe-sex fatigue." In addition, he said, prevention messages might have been "drowned out" by talk about h...

Coated nanoparticles solve sticky drug-delivery problem

...hat should allow larger and longer-acting doses of medicine to reach the protected tissue. The team's find...pervised the research. "But if you want to deliver medicine in a microscopic particle, they can also keep the drugs from getting through. We've found a way to k...

New test helps identify hepatitis C patients at high risk of developing cirrhosis

...ushering in the long-promised era of personalized medicine based on each individual's genetic makeup. The St...," said Ramsey Cheung, MD, associate professor of medicine at the school and chief of hepatology at the Palo Alto Veterans Affairs Health Care System, who le...

New research shows why too much memory may be a bad thing

... implications for diverse disciplines ranging from medicine to artificial intelligence," said Dr. Malleret. "In medicine, these findings have significant implications for possible therapeutic interventions to improve memory ?a careful balance of neurogenesis would need to be struck to improve memory without o...

Widely used hepatitis B drug spurs HIV drug resistance

...e therapies," says Thio, an associate professor of medicine at The Johns Hopkins University School of Medicine. Thio says she has stopped prescribing entecavir as her first option in treating hepatitis B in co-infected patients who are not already using drugs to suppress HIV. "The good news is that co...

Researchers show that veins stiffen as we age

...stem, as well as a clinical associate professor of medicine at Jefferson Medical College in Philadelphia. DiSabatino is the nurse manager at Christiana Care's cardiovascular research office. While the arterial side of the human circulatory system has been studied extensively, Farquhar said much less researc...

U of MN researchers turn cord blood into lung cells

...id David McKenna, M.D., assistant professor of lab medicine and pathology and medical director of the Clinical Cell Therapy Lab at the University of Minnesota Medical Center, Fairview. The research paper is currently available online, and will be published in the Nov. 7, 2006, issue of the journal Cytothera...

Antibiotic inhibits cancer gene activity

...gents," said Andrei Gartel, assistant professor of medicine and of microbiology and immunology at UIC and principal investigator on the study. The FoxM1 gene is responsible for turning on genes needed for cell proliferation and turning off genes that block proliferation. Uncontrolled proliferation is charac...

Encouraging results in pancreatic cancer research

...Downstate and chairman of pathology and laboratory medicine at the Brooklyn VA, said, "The results are very encouraging. PNC-28 may be an effective agent in treating cancers, especially if delivered directly to the tumor." PNC-28 is a p53 peptide, a naturally occurring human protein known to suppress tumor ...

End-of-life care can be improved

...itor J. Randall Curtis, M.D., M.P.H., professor of medicine at the University of Washington in Seattle. "Over ... guest co-editor Mitchell Levy, M.D., professor of medicine at Brown University School of Medicine in Providence, R.I. Quality End-of-Life Palliative Care ...

New study aims to stop sepsis in its tracks

...h is a partnership between physicians in emergency medicine and those in critical care medicine. "By improving the treatment of those critically ill with sepsis, the consortium's work will have enormous implications for the thousands of patients who suffer from this infection," said NIH Director Elias A. Zer...

Penn researcher shows that DNA gets kinky easily at the nanoscale

...ores how the fields of nanotechnology, biology and medicine all intersect. "The nanoscale just happens to also be the scale at which cell biology operates," Nelson said. "We're entering an era when we are able to use the tools of nanotechnology to answer fundamental puzzles of biology." ...

Molecular atlas provides new tool for understanding estrogen-fueled breast cancer

...resistant, added Brown, who is also a professor of medicine at Harvard Medical School. ...

Einstein researchers demonstrate a novel approach to treating AIDS

... associate professor in the departments of nuclear medicine and microbiology & immunology. In a series of animal studies beginning in 2001, Dr. Dadachova and her colleagues have successfully used radioimmunotherapy against a variety of disease-causing microbes­first the major fungal pathogen Cryptocccu...

NHGRI aims to make DNA sequencing faster, more cost effective

...e way that biomedical research and the practice of medicine are done." Since 1990, NHGRI has invested approximately $380 million to develop and improve DNA sequencing technologies. DNA sequencing costs have fallen more than 50-fold over the past decade, fueled in large part by tools, technologies and process...

Tiny Tampa Bay fish key to evolution of immune system

... professor of pathology, immunology and laboratory medicine at UF's College of Medicine who is affiliated with the UF Shands Cancer Center. "This is the first organism below the level of jawed vertebrates that expresses the type of proteins we use in our own complex adaptive immune system." The human immune ...

Study uncovers mutation responsible for Noonan Syndrome

...vision of Cancer Biology at BIDMC and professor of medicine at Harvard Medical School (HMS). "Although previous work had identified mutations in the PTPN11 gene as the cause of Noonan syndrome in nearly 50 percent of cases [and mutations in an oncogene known as KRAS in a small subset of severe cases] the ...

Diabetes slows nerve recovery after heart transplant

...diology and the director of cardiovascular nuclear medicine at Johns Hopkins Medicine's Russell H. Morgan Depa...generation process," he said. Currently, nuclear medicine techniques (such as PET) are the only imaging techniques that can measure the presence and function ...

Heavy smoking cuts women's chance of pregnancy -- even with donated oocytes

...rsday 9 November) in Europe's leading reproductive medicine journal Human Reproduction. The finding, from a team of fertility experts in Portugal and Spain, comes as a result of comparing the pregnancy rates between non-heavy smokers and heavy smokers, all of whom received donated oocytes. Smoking has lo...

PET imaging shows young smokers quick benefit of quitting

...agara Tamaki, a professor and chair of the nuclear medicine department at Hokkaido University in Sapporo, Japan. "Smoking cessation normalized abnormal coronary artery function, thus supporting its value in preventing heart disease in young adults," he explained. "In addition, this is an important report with...

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