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Scientists use embryonic stem cells to awaken latent motor nerve repair

In a dramatic display of stem cells' potential for healing, a team of Johns Hopkins scientists reports that they've engineered new, completed, fully-working motor neuron circuits - neurons stretching from spinal cord to target muscles - in paralyzed adult animals.

26 Jun 2006

Researchers identify gene used to recognize pathogens

Researchers have identified a gene in the Anopheles gambiae mosquito's DNA that is central to the insect's ability to defend against infectious pathogens, including Plasmodium, the parasite that causes malaria in humans.

20 Jun 2006

Burkitt lymphoma gene expression signature identified

An international research study involving the University of Nebraska Medical Center, the National Cancer Institute and 10 other institutions has successfully identified the gene expression signature for Burkitt lymphoma.

14 Jun 2006

Research explains how pathogenic bacteria evolved over millions of years

Bacteria like Salmonella have a complicated immune system that helps them recognize and isolate foreign DNA trying to invade their cell membrane, according to a University of Washington-led study in the June 8 issue of Science Express.

9 Jun 2006

The antimicrobial peptide cathelicidin protects the urinary tract against invasive bacterial infection

Researchers at Karolinska Institutet in Sweden have succeeded in explaining how the body protects itself against urinary tract infections; with the help of an endogenous antibiotic.

9 Jun 2006

Microbes could represent the future of medicine

Not all bacteria are bad. In fact, beneficial microbes could represent the future of medicine, with the potential to treat a variety of diseases in humans and animals from diarrhea and eczema to gum disease and autoimmune disorders.

9 Jun 2006

What is the optimal duration of antibiotic therapy?

Taking antibiotics for three days is just as effective for community acquired pneumonia as continuing treatment for the recommended 7-10 days, finds a study in this week's British Medical Journal.

8 Jun 2006

Exposing cancer more quickly

Previous methods for uncovering cancer are old and inaccurate. Now, data analysts at Norut IT Research in Norway are moving cancer treatment forward.

7 Jun 2006

Milstein gift seeks cure for antibiotic-resistant TB and malaria

A $7.25 million gift to Weill Medical College of Cornell University will establish the Abby and Howard P. Milstein Chemistry Core Facility and the Abby and Howard P. Milstein Program in Chemical Biology.

5 Jun 2006

Scientists gain better understanding of Proteus mirabilis

Scientists now have inside information to use in the fight against Proteus mirabilis - a nasty bacterium that can cause kidney stones, as well as hard-to-treat urinary tract infections.

1 Jun 2006

Organ-recipients' deaths prompt call for suppliers of pet rodents to screen for lymphocytic choriomeningitis virus

A case involving seven transplant recipients killed by a rodent-borne virus that they apparently acquired from donated and infected human organs has prompted a recommendation that regulatory authorities require suppliers of pet rodents to screen their colonies for the virus.

1 Jun 2006

Aggressive cancer treated successfully in mice

White blood cells from a strain of cancer-resistant mice cured advanced cancers in ordinary laboratory mice, researchers at Wake Forest University School of Medicine reported.

9 May 2006

Chancroid vaccine may help control HIV in Africa

HIV plagues more than 25 million people in sub-Saharan Africa, according to the World Health Organization, and efforts to develop a vaccine against the virus have achieved limited success.

8 May 2006

Scientists discover a master key to microbes' pathogenic lifestyles

For some microbes, the transformation from a benign lifestyle in the soil to that of a potentially deadly human pathogen is just a breath away.

3 May 2006

Study investigates early biology of HIV infection

In July 2005, the race to find a vaccine that would stem the worldwide rate of 13,000 new cases of HIV infection each day moved from competition among research institutions to a strategy of cooperation.

2 May 2006

Avian flu vaccine to be developed by Mount Sinai School of Medicine and Bionostra

The Mount Sinai School of Medicine will collaborate with the prestigious Bionostra Group of Spain to develop an avian flu vaccine. The vaccine will protect against the lethal infection of the H5N1 virus.

26 Apr 2006

New design lets mini-microscope observe cells in vivo

Two eyes are better than one. Or more precisely, two lines of sight are better than one. That's the word from researchers at the Stanford School of Medicine, who have applied this adage to the design of a tiny microscope that is about the size of an M&M.

20 Apr 2006

Proteomic mass spectrometry helps identify viruses

Scientists have used mass spectrometry for decades to determine the chemical composition of samples but rarely has it been used to identify viruses, and never in complex environmental samples.

13 Apr 2006

Salmonella bacteria use new mechanism known as the riboswitch to adjust magnesium levels

Researchers at Washington University School of Medicine in St. Louis have added a gene in the bacterium Salmonella to the short list of genes regulated by a new mechanism known as the riboswitch.

11 Apr 2006

New approach to treating hepatitis C virus

Last year Peter Sarnow, PhD, professor of microbiology and immunology at the Stanford University School of Medicine, identified a previously unknown mechanism that the hepatitis C virus uses to replicate, yielding a promising new approach to combating the disease-causing virus.

10 Apr 2006