Laboratory News and Research

RSS

New alternative to biopsy detects subtle changes in cancer cells

A drop of blood or a chunk of tissue smaller than the period at the end of this sentence may one day be all that is necessary to diagnose cancers and assess their response to treatment, say researchers at the Stanford University School of Medicine.

12 Apr 2009

Discovery of novel mechanisms that might causally link type-2 diabetes to Alzheimer's disease

A recent study by Mount Sinai faculty suggests that a gene associated with onset of type-2 diabetes also decreases in Alzheimer's disease dementia cases.

12 Apr 2009

Multivitamins have no impact on risk of cancer or heart disease in postmenopausal women

The largest study of its kind concludes that long-term multivitamin use has no impact on the risk of common cancers, cardiovascular disease or overall mortality in postmenopausal women.

12 Apr 2009

Gene fusion discovery may lead to improved prostate cancer test

A newly discovered gene fusion is highly expressed in a subset of prostate cancers, according to a study by researchers at Weill Cornell Medical College.

12 Apr 2009

Discovery of key decision-point at which cells with broken DNA repair themselves or die

When cells undergo potentially catastrophic damage, for example as a result of exposure to ionizing radiation, they must make a decision: either to fix the damage or program themselves for death, a process called apoptosis.

12 Apr 2009

Researchers explain process by which cells 'hide' potentially dangerous DNA segments

The DNA in the 23 pairs of chromosomes in each of the billions of cells of the human body is so tightly packed that it would measure six feet in length if stretched end to end.

12 Apr 2009

CDC reports progress in foodborne illness prevention has reached a plateau

The incidence of the most common foodborne illnesses has changed very little over the past three years, according to a 10-state report released Thursday by the Centers for Disease Control and Prevention.

12 Apr 2009

Important discover in cancer metastases

If cancer cells lack a certain protein, it could be much easier for them to penetrate healthy body tissue, the first step towards forming metastases.

9 Apr 2009

Prescription heartburn medications do not ease asthma symptoms

The predominance of heartburn among asthma sufferers led many specialists to suspect that acid reflux could be a trigger for the coughing, wheezing and breathlessness of asthma.

9 Apr 2009

Telemonitoring changes the working practice of cardiac nurses

The 9th Annual Spring Meeting of the European Society of Cardiology Council on Cardiovascular Nursing and Allied Professions (CCNAP), organised in cooperation with the Irish Nurses Cardiovascular Association (INCA), is being held at the Royal Dublin Society, Dublin, Ireland, on 24-25 April.

8 Apr 2009

New therapy for metastatic prostate cancer shows promise

A new therapy for metastatic prostate cancer has shown considerable promise in early clinical trials involving patients whose disease has become resistant to current drugs.

8 Apr 2009

Growth factor TGF-beta helps maintain health of retinal blood vessels

Scientists at Schepens Eye Research Institute have found that the growth factor known as TGF-beta is essential to the health of blood vessels in the retina and that blocking it can cause retinal dysfunction.

8 Apr 2009

New nanostructured biosensors

Research and industry are increasingly exploiting the potential of aptamers.

8 Apr 2009

Reovirus kills cancer stem cells

Dalhousie Medical School cancer researcher Dr. Patrick Lee has proven that a common virus can infect and kill breast cancer stem cells.

8 Apr 2009

Women more aware of underarm odor

It may be wise to trust the female nose when it comes to body odor.

8 Apr 2009

Researchers regenerate axons necessary for voluntary movement

For the first time, researchers have clearly shown regeneration of a critical type of nerve fiber that travels between the brain and the spinal cord and which is required for voluntary movement.

6 Apr 2009

Cooperative behaviors and evolutionary theory

One of the perplexing questions raised by evolutionary theory is how cooperative behavior, which benefits other members of a species at a cost to the individual, came to exist.

6 Apr 2009

Mass spectrometry technique analyzes defensive chemicals on seaweed surfaces for potential drugs

A new analytical technique is helping scientists learn how organisms as simple as seaweed can mount complex chemical defenses to protect themselves from microbial threats such as fungus.

6 Apr 2009

Rak gene helps protect tumor suppressor in breast cancer

Scientists at The University of Texas M. D. Anderson Cancer Center have discovered a gene that protects PTEN, a major tumor-suppressor that is reduced but rarely mutated in about half of all breast cancers.

6 Apr 2009

Niacin findings could open up new avenues for drug discovery

Deft molecular detective work at Duke University Medical Center suggests that scientists may soon be able to resurrect niacin as one of the best and cheapest ways to manage cholesterol.

6 Apr 2009