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RNA molecules can orchestrate gene activity across vast portions of the human genome

Large, seemingly useless pieces of RNA - a molecule originally considered only a lowly messenger for DNA - play an important role in letting cells know where they are in the body and what they are supposed to become, researchers at Stanford University School of Medicine have discovered.

29 Jun 2007

Rheumatologists overestimate physical disability of rheumatoid arthritis patients

Rheumatologists substantially overestimate the physical disability of patients with rheumatoid arthritis which may lead to inaccurate evaluations of the patient's ability to work and need for lifestyle modifications, a new study found.

29 Jun 2007

Five distinct subtypes of alcoholism identified

Analyses of a national sample of individuals with alcohol dependence (alcoholism) reveal five distinct subtypes of the disease, according to a new study by scientists at the National Institute on Alcohol Abuse and Alcoholism (NIAAA), part of the National Institutes of Health (NIH).

29 Jun 2007

Reactive oxygen species mediate a cellular 'memory' of high glucose stress signaling

Researchers at the University of Warwick’s Warwick Medical School have uncovered a process that locks the body’s metabolism in a diabetic state after only relatively limited exposure to high glucose levels.

29 Jun 2007

Major challenges in future of pervasive healthcare identified

A research project carried out by a University of Southampton Masters student has identified three research challenges that will need to be addressed before pervasive healthcare becomes a reality.

29 Jun 2007

Patient choice and treatment alternatives for arthritis

Patients with osteoarthritis (OA) and rheumatoid arthritis (RA) face different treatment options and determining which ones to try can be confusing.

29 Jun 2007

Prospective predictors of long-term abstinence versus relapse among smokers who quit as young adults

A non-smoking spouse and smoke-free workplace play key roles in long-term success for young adults who quit smoking, according to Indiana University research, which found environmental factors to be more influential than individual behaviors and beliefs when it comes to kicking the habit.

29 Jun 2007

Cervarix vaccine provides broad protection against cervical cancer

Just under 150 Perth women have contributed to major international research at the Telethon Institute for Child Health Research that has proved that the new Cervarix vaccine provides broader protection against cervical cancer.

29 Jun 2007

Natural hormone relaxin offers hope to infertile couples

A new study from the University of Leicester is investigating whether a naturally produced hormone could provide the key to helping couples conceive.

29 Jun 2007

Dangers of permitting smoking in the workplace

Offering alarming new evidence on the dangers of permitting smoking in the workplace, scientists have found that nonsmoking restaurant and bar employees absorb a potent carcinogennot considered safe at any levelwhile working in places where they had to breathe tobacco smoke from customers and co-workers.

29 Jun 2007

Call for change in regulations surrounding xenotransplantation

A new article in The Journal of Law, Medicine and Ethics calls for a change in the regulations surrounding xenotransplantation, the transplanting of animal cells, tissues or organs into humans.

29 Jun 2007

New drug resistance screening method

A growing number of drug-resistant strains of HIV are a threat to the effectiveness of current treatments despite anti-HIV drug cocktails decreasing the number of HIV-related deaths and improving the quality of life for HIV patients.

29 Jun 2007

New brace for correction for clubfoot

A new brace that maintains correction for clubfoot, a birth defect in which the foot is turned in toward the body, has shown better compliance and fewer complications than the traditional brace used to treat the condition.

29 Jun 2007

Induction chemotherapy adds to survival rates in lung cancer patients

Patients with inoperable non-small cell lung cancer who receive an initial high dose of chemotherapy before their treatment begins can expect an increase in overall survival, according to a study in the July 1 issue of the International Journal of Radiation Oncology-Biology-Physics, the official journal of ASTRO.

29 Jun 2007

Phosphatidylglycerol holds promise for psoriasis, age-related skin damage

The body may hold a secret to normalizing skin cell growth that is over zealous in psoriasis and non-melanoma skin cancers and too slow in aging and sun-damaged skin, researchers say.

29 Jun 2007

Researchers increase in vivo lifetime of nanoparticles

Researchers at the University of California, Santa Barbara have discovered that attaching polymeric nanoparticles to the surface of red blood cells dramatically increases the in vivo lifetime of the nanoparticles.

29 Jun 2007

New type of drug shows promise for chronic lymphocytic leukemia

A new type of engineered drug candidate has shown promise in treating chronic lymphocytic leukemia in both test tube and early animal tests, a new study shows.

29 Jun 2007

Link between ciliary signaling and cancer

Submarines have periscopes. Insects have antennae. And increasingly, biologists are finding that most normal vertebrate cells have cilia, small hair-like structures that protrude like antennae into the surrounding environment to detect signals that control cell growth.

29 Jun 2007

Lowering cardiac risk later in life

In a study published in the July 2007 issue of The American Journal of Medicine, researchers from the Medical University of South Carolina, Charleston found that people 45 to 64 years of age who added healthy lifestyle behaviors could substantially reduce their risk for cardiovascular disease (CVD) and reduce their death rate.

29 Jun 2007

Delinquency in children now linked to biology

How do sweet children turn into delinquents seemingly right before our eyes. A unique study appearing in the June issue of Psychological Science, a journal of the Association for Psychological Science, shows that, in children, a highly reactive autonomic nervous system, which regulates our cardiovascular, digestive and respiratory functions, paired with a stressful family environment leads to increased instances of maladaptive personality change.

29 Jun 2007