الأحد، 8 يناير 2012

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News

Scientists characterize protein essential to survival of malaria parasite

Posted: 07 Jan 2012 12:18 PM PST

A biology lab has successfully cracked the structure of an enzyme made by Plasmodium falciparum, the parasitical protozoan that causes the most lethal form of malaria. Plasmodium cannot live without the enzyme, which is uses to make cell membrane. Because people don't make this enzyme, it is an ideal target for an anti-malarial drug. Such a drug might kill Plasmodium but have minimal side effects for people.

New hope for diseases of protein folding such as Alzheimer’s, Parkinson’s diseases, ALS, cancer and diabetes

Posted: 06 Jan 2012 10:59 AM PST

Two related studies offer new strategies for tackling the challenges of preventing and treating diseases of protein folding, such as Alzheimer's, Parkinson's and Huntington's diseases, ALS, cystic fibrosis, cancer and type 2 diabetes. The research identifies new genes and pathways that prevent protein misfolding and toxic aggregation, keeping cells healthy, and also identifies small molecules with therapeutic potential that restore health to damaged cells, providing new targets for drug development.

Gunshot, Stabbing Victims Are Recovering without Exploratory Surgery

Posted: 06 Jan 2012 07:59 AM PST

Although more patients with abdominal gunshot and stab wounds can successfully forego emergency "exploratory" surgery and its potential complications, new research suggests that choosing the wrong patients for this "watchful waiting" approach substantially increases their risk of death from these injuries.

Cell-CT: A new dimension in breast cancer research

Posted: 05 Jan 2012 02:58 PM PST

Medical researchers have examined normal, benign and malignant cells, using the only research Cell-CT apparatus -- a specialized instrument capable of imaging cells in vivid 3-D with true isotropic resolution. The technology permits the examination of subtle cellular details inaccessible by more conventional forms of microscopy that are inherently 2-D.

Proton therapy effective prostate cancer treatment, study suggests

Posted: 05 Jan 2012 02:42 PM PST

Proton therapy, a type of external beam radiation therapy, is a safe and effective treatment for prostate cancer, according to two new studies.

Radical liver surgery saves life of young mom, California first

Posted: 05 Jan 2012 02:42 PM PST

Researchers have successfully performed the west coast's first ex-vivo liver resection, a radical procedure to completely remove and reconstruct a diseased liver and re-implant it without any tumors.

New protein that plays part in arthritis discovered

Posted: 05 Jan 2012 02:42 PM PST

A new study has shed new light on how proteins interact, or bind, with one another in tissues. Biologists found that a protein called collagen XI interacts with specific proteins in the part of the tissue that provides structural support to the cell.

Ten gynecologic cancer symptoms women shouldn’t ignore

Posted: 05 Jan 2012 01:17 PM PST

Pelvic pain and abnormal bleeding aren't the only signs of gynecologic cancer. Researchers share other symptoms that often are overlooked.

Statin costs 400 percent higher in US compared to UK, study finds

Posted: 05 Jan 2012 11:58 AM PST

In the United States, the cost paid for statins in people under the age of 65 who have private insurance is approximately 400 percent higher than comparable costs paid by the government in the United Kingdom. These findings are the first results of a comprehensive comparison of prescription drug costs between the US and UK.

Low vitamin D levels linked to depression, psychiatrists report

Posted: 05 Jan 2012 10:16 AM PST

Low levels of vitamin D have been linked to depression, according to psychiatrists.
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