HIV & AIDS

New study reveals why some people may be immune to HIV-1

Doctors have long been mystified as to why HIV-1 rapidly sickens some individuals, while in others the virus has difficulties gaining a foothold. Now, a study of genetic variation in HIV-1 and in the cells it infects reported ...

Oncology & Cancer

New intervention in the fight against bowel cancer

It is widely known that bowel cancer is often driven by increased tumour cell survival and proliferation mediated by the deregulation of a key mechanism within gut cells controlled by the protein Wnt.

Genetics

Scientists shed new light on nerve cell growth

Amidst the astounding complexity of the billions of nerve cells and trillions of synaptic connections in the brain, how do nerve cells decide how far to grow or how many connections to build? How do they coordinate these ...

HIV & AIDS

Researchers trace HIV evolution in North America (Update)

A study tracing the evolution of HIV in North America involving researchers at Simon Fraser University has found evidence that the virus is slowly adapting over time to its human hosts. However, this change is so gradual ...

Genetics

Mutations that matter

(Medical Xpress)—Identifying the genetic source of a specific trait can be a little like finding a needle in a field full of haystacks. University of Dayton biologist Thomas Williams is working to shrink the number of haystacks.

Genetics

Getting rid of unwanted visitors

Gut-dwelling bacteria are attracting increasing attention, particularly those associated with human diseases. Helicobacter pylori is found in the stomach of humans, where it may cause chronic gastritis and gastric ulcers, ...

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