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Adaptation to oxygen deprivation elucidates tumor physiology
Two new studies in the March Cell Metabolism reveal a survival mechanism by which cells adapt to oxygen starvation by ratcheting down their demand.   view more (2006-03-08)

Jefferson scientists explain cancer cell metabolism changes
Scientists at Jefferson Medical College and the Kimmel Cancer Center at Thomas Jefferson University in Philadelphia have found how a gene can dim the power production in the cell and in turn scale up its cancer-producing activities.   view more (2006-08-29)

Mayo Clinic researchers discover cancer cells may move via wave stimulation
Mayo Clinic researchers have uncovered a new cellular secret that may explain how certain cancers move and spread - a feature of cancers that makes treatment especially difficult.   view more (2006-04-03)

The memory of water is a reality
A special issue of the journal Homeopathy, journal of the Faculty of Homeopathy and published by Elsevier, on the "Memory of Water" brings together scientists from around the world for the first time to publish new data, reviews and discuss recent scientific work exploring the idea that... view more (2007-08-02)

Type 1 diabetes triggered by 'lazy' regulatory T-cells: McGill researchers
A research team led by Dr. Ciriaco A. Piccirillo of McGill University's Department of Microbiology and Immunology has discovered that in some individuals, the specialized immunoregulatory T-cells that regulate the body's autoimmune reactions may lose their effectiveness and become "lazy"... view more (2008-01-16)

Scientists discover age-regulated cellular activities that protect against protein aggregation
Alzheimer's disease now strikes more than one in 30 Americans, and about half the population that lives past 85 acquires Alzheimer's.   view more (2006-08-14)

Sensitivity to antidepressants linked with TrkB-mediated neural proliferation
Scientists have unveiled a functional link between production of new neurons and the effectiveness of antidepressants (ADs) in an animal model. The study, published by Cell Press in the August 14 issue of the journal Neuron, provides exciting insight into a mechanism that might underlie a poor... view more (2008-08-14)

New tool being tested at Penn to halt recurrence of atrial fibrillation
Clinical researchers at the University of Pennsylvania Health System are starting a trial utilizing a new mechanism to treat the heart when its electrical pulses essentially short-circuit, referred to as atrial fibrillation (A-Fib).   view more (2006-12-14)

Mechanism identified for promising neurological drug
Researchers at the San Francisco VA Medical Center have identified the mechanism by which minocycline, a medication currently being studied for the treatment of neurodegenerative diseases including Parkinson's disease and Huntington's disease, protects brain and nerve cells from damage.   view more (2006-06-22)

Selenium-protein deficiency raises prostate cancer risk
Selenium, an essential dietary mineral that can act as an antioxidant when incorporated into proteins, has been shown in many studies to reduce the incidence of cancers - notably lung, colorectal and prostate.   view more (2006-05-23)

Cortisol and fatty liver: Researchers find cause of severe metabolic disorders
A healthy body stores fat in the form of so-called triglycerides in specialized fatty tissue as an energy reserve. Under certain conditions the delicate balance of the lipid metabolism gets out of control and fat is accumulated in the liver, leading to the dreaded fatty liver.   view more (2008-09-10)

Copy number variation may stem from replication misstep
Genome rearrangements, resulting in variations in the numbers of copies of genes, occur when the cellular process that copies DNA during cell division stalls and then switches to a different genetic "template," said researchers at Baylor College of Medicine in Houston in a report that... view more (2007-12-28)

Pre-clinical study suggests how steroid can reverse post-traumatic stress
Researchers at UT Southwestern Medical Center, working with mice, have shown how the body's own natural stress hormone can help lastingly decrease the fearful response associated with reliving a traumatic memory.   view more (2006-09-13)

Computational model simulates AZT metabolism in mitochondria
Researchers at the Virginia Bioinformatics Institute (VBI) at Virginia Tech have developed a computational model that allows scientists to better understand the metabolism and toxicity of the HIV/AIDS drug zidovudine (azidothymidine, AZT).   view more (2006-07-25)

New insight into most common forebrain malformation
St. Jude Children's Research Hospital scientists have identified one of the molecular mechanisms underlying the genetic brain malformation called holoprosencephaly (HPE). The findings not only yield insights into the most common developmental malformation of the anterior brain and face in newborns,... view more (2008-08-12)

Gene guards grain-producing grasses so people and animals can eat
Purdue University and USDA-Agricultural Research Service scientists have discovered that a type of gene in grain-producing plants halts infection by a disease-causing fungus that can destroy crops vital for human food supplies.   view more (2008-02-04)

New capture scenario explains origin of Neptune's oddball moon Triton
Neptune's large moon Triton may have abandoned an earlier partner to arrive in its unusual orbit around Neptune.   view more (2006-05-11)
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