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Experimental agent shows promise for advanced biliary cancer

An experimental agent has shown promising results in people with advanced biliary cancer, according to a multi-institutional clinical trial led by cancer researchers at the Ohio State University.

21 Apr 2009

New hope for Huntington disease sufferers

Researchers from the University of Southern California have taken an important first step toward protecting against Huntington disease using gene therapy.

20 Apr 2009

Human lung tumors can eliminate Vitamin D

Human lung tumors have the ability to eliminate Vitamin D, a hormone with anti-cancer activity, a new study from the University of Pittsburgh Cancer Institute (UPCI) suggests.

20 Apr 2009

Grapefruit juice boosts efficacy of drug rapamycin

In a small, early clinical trial, researchers at the University of Chicago Medical Center have found that combining eight ounces of grapefruit juice with the drug rapamycin can increase drug levels, allowing lower doses of the drug to be given.

20 Apr 2009

Statins may be useful in patients with tamoxifen-resistant breast cancer

Breast cancer cells in the laboratory that don't respond to tamoxifen may be producing high amounts of cholesterol in order to provide a kind of shield against the drug, say researchers at Georgetown University Medical Center (GUMC).

20 Apr 2009

New biomarker may predict aggressiveness of chronic lymphocytic leukemia

Scientists at the University of California, San Diego and the Moores UCSD Cancer Center have evidence of a potential new biomarker to predict the aggressiveness of an often difficult-to-treat form of leukemia.

20 Apr 2009

Key genetic mechanism a potential key to new class of antibiotics

Researchers have determined the structure of a key genetic mechanism at work in bacteria, including some that are deadly to humans, in an important step toward the design of a new class of antibiotics, according to an accelerated publication that appeared online today as a "paper of the week" in the Journal of Biological Chemistry.

20 Apr 2009

Coffee, caffeine and amyotrophic lateral sclerosis

Amyotrophic lateral sclerosis (ALS) is a fatal disease that damages key neurons in the brain and spinal cord.

20 Apr 2009

DNA biosynthesis discovery could lead to better antibiotics

Combating several human pathogens, including some biological warfare agents, may one day become a bit easier thanks to research reported by a University of Iowa chemist and his colleagues in the April 16 issue of the journal Nature.

16 Apr 2009

Discovery of new chemical reaction for DNA production in bacteria and viruses

A team of researchers has discovered a new chemical reaction for producing one of the four nucleotides, or building blocks, needed to build DNA.

16 Apr 2009

New nucleotide could revolutionize epigenetics

Anyone who studied a little genetics in high school has heard of adenine, thymine, guanine and cytosine - the A,T,G and C that make up the DNA code.

16 Apr 2009

Research may lead to new ways to fight clot formation

When plaques coating blood vessel walls rupture and expose collagen, platelets spring into action to form a blood clot at the damaged site.

16 Apr 2009

New clues to how stem cells form

An Emory University study shows some of the first direct evidence of a process required for epigenetic reprogramming between generations – a finding that could shed more light on the mechanisms of fertilization, stem-cell formation and cloning.

16 Apr 2009

African sleeping sickness parasite breaks its own DNA to avoid detection

The parasite Trypanosoma brucei, which causes African sleeping sickness, is like a thief donning a disguise.

15 Apr 2009

Statins for the prevention of dementia

An increasing number of studies show that elevated serum cholesterol levels might be part of the cause of Alzheimer's disease, but a new review of studies says that, even so, the most successful class of cholesterol-lowering medicines will not stave off the condition.

14 Apr 2009

Rockefeller University Hospital opens clinical trial into statin-associated muscle complaints

The most widely prescribed class of drugs in the country, statins have helped millions of people lower their cholesterol and reduce their risk of heart attacks - but their side effects, including muscle pain and cramping, have proven to be something of a sore point for many patients.

14 Apr 2009

Scientists show how gene alteration can lead to the development of a type of brain cancer

An international team of scientists from the Moores Cancer Center at the University of California, San Diego, the University of North Carolina and several institutions in China have explained how a gene alteration can lead to the development of a type of brain cancer, and they have identified a compound that could staunch the cancer's growth.

14 Apr 2009

When cancer cells can't let go

Like a climber scaling a rock face, a migrating cancer cell has to keep a tight grip on the surface but also let go at the right moment to move ahead.

13 Apr 2009

Scientists uncover mimicry at the molecular level that protects genome integrity

The new study, which was published on April 12, 2009, in an advanced online edition of the journal Nature Structural & Molecular Biology, draws new parallels between the Rad60 DNA repair factor and SUMO, a small ubiquitin-like modifier, which are both essential for maintaining genome stability during replication.

13 Apr 2009

Optimer Pharmaceuticals receives production patent for Fidaxomicin

Optimer Pharmaceuticals, Inc. has announced that the United States Patent and Trademark Office issued a production patent (U.S. Patent No. 7,507,564) covering steps used in the manufacture of fidaxomicin, which is currently in its second Phase 3 clinical trial for the treatment of Clostridium difficile infection, or CDI.

13 Apr 2009