الأحد، 8 ديسمبر 2013

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News

Clinical waste may be valuable for monitoring treatment response in ovarian cancer

Posted: 06 Dec 2013 01:30 PM PST

A microchip-based device developed may greatly simplify the monitoring of patients' response to treatment for ovarian cancer -- the most lethal form of gynecologic cancer -- and certain other malignancies. The team reports using their device to isolate and identify tumor cells from ascites, an accumulation of fluid in the abdomen that often occurs in abdominal cancers.

Researchers may have discovered a plan to disable Meniere's disease

Posted: 06 Dec 2013 01:30 PM PST

Researchers may have figured out what causes Meniere's disease and how to attack it: there is a strong association between Meniere's disease and conditions involving temporary low blood flow in the brain such as migraine headaches, their work indicates.

Calibration tools to encourage use of novel medical imaging technique

Posted: 06 Dec 2013 01:30 PM PST

Researchers have developed prototype calibration tools for an experimental medical imaging technique that offer new advantages in diagnosing and monitoring of certain cancers and possibly other medical conditions.

Decreased diversity of bacteria microbiome in gut associated colorectal cancer

Posted: 06 Dec 2013 01:30 PM PST

Decreased diversity in the microbial community found in the human gut is associated with colorectal cancer, according to a new study published.

U.S. malaria cases increase with international travel

Posted: 06 Dec 2013 01:30 PM PST

Researchers are looking for new ways to fight malaria through mosquito control. In 2011, 1,925 malaria cases were reported in the U.S., according to the Centers for Disease Control and Prevention (CDC). This number is the highest seen since 1971 and represents a 48 percent increase from 2008. The majority of malaria infections in the U.S. occur among people who have traveled to regions with malaria endemic.

Cancer-promoting protein is vital to safe division of tumor cells

Posted: 06 Dec 2013 01:29 PM PST

Researchers have caught a protein they previously implicated in a variety of cancer-promoting roles performing a vital function in cell division, survival and development of brain tumors. PKM2 controls mitosis, saving cancer cells from death and promoting brain tumor growth.

Angioplasty may not be better than drug therapy in stable disease

Posted: 06 Dec 2013 01:29 PM PST

For patients with stable coronary artery disease (CAD) who are not experiencing a heart attack and an abnormal stress test, treatment of their narrowed arteries by the common procedure of angioplasty may not provide additional benefits compared to drug therapy alone. This finding results from a survey of more than 4,000 patients with myocardial ischemia, or inadequate circulation, led by cardiologists.

Cigarette smoking after cancer diagnosis increases risk of death

Posted: 06 Dec 2013 06:09 AM PST

Men who continued to smoke after a cancer diagnosis had an increased risk of death compared with those who quit smoking after diagnosis, according to a study published.

Approaches to pain assessment in cancer clinical trials

Posted: 05 Dec 2013 01:57 PM PST

Researchers have developed guidelines to help drug developers include meaningful pain endpoints when designing cancer trials.

Fundamental differences found between human cancers, genetically engineered mouse models

Posted: 05 Dec 2013 11:22 AM PST

Researchers have taken a closer look at existing mouse models of cancer, specifically comparing them to human cancer samples. These genetically engineered mouse models (which usually either overexpress a cancer-causing gene--or "oncogene"--or carry a deletion for a "tumor suppressor" gene) have been extensively used to understand human cancer biology in studies of drug resistance, early detection, metastasis, and cancer prevention, as well as for the preclinical development of novel targeted therapeutics.

New IOM report assesses oversight of clinical gene transfer protocols

Posted: 05 Dec 2013 11:22 AM PST

In most cases, human gene transfer research is no longer novel or controversial enough to require additional review from the National Institutes of Health's Recombinant DNA Advisory Committee, known as RAC, says a new report by the Institute of Medicine.

International study finds lower-dose IUDs safe, effective

Posted: 05 Dec 2013 11:21 AM PST

In a finding that could expand the use of one of the most effective forms of birth control, two intrauterine contraceptive systems that had lower doses of the contraceptive hormone, levonorgestrel, were found to be safe and effective in preventing pregnancies.

Home-based exercise as rehabiltation

Posted: 05 Dec 2013 11:19 AM PST

Home-based high-intensity exercise for rehabilitation after cardiovascular disease can be effective, even if patients work out without expensive exercise monitoring machines, new research from the Norwegian researchers has shown.

Tracking exercise associated with weight lose, better glucose control for patients

Posted: 05 Dec 2013 11:18 AM PST

Asking patients about their exercise habits was associated with weight loss in overweight patients and improved glucose control for patients with diabetes, according to a recently published study.

Dietary supplement use among older persons

Posted: 05 Dec 2013 11:15 AM PST

Many older people in Germany are ingesting too much magnesium and vitamin E in the form of dietary supplements. This was discovered by scientists in a population-based study.
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