Diseases, Conditions, Syndromes

Scientists advance understanding of herpesvirus infection

Herpes simplex virus (HSV) infections last a lifetime. Once a person has been infected, the virus can remain dormant (latent) for years before periodically reactivating to cause recurrent disease. This poorly understood cycle ...

Neuroscience

Copper on the brain

(Medical Xpress)—The value of copper has risen dramatically in the 21st century as many a thief can tell you, but in addition to the thermal and electrical properties that make it such a hot commodity metal, copper has ...

Medical research

New study explains duality of longevity drug rapamycin

A Penn- and MIT-led team explained how rapamycin, a drug that extends mouse lifespan, also causes insulin resistance. The researchers showed in an animal model that they could, in principle, separate the effects, which depend ...

Medical research

Gut bacteria increase fat absorption

You may think you have dinner all to yourself, but you're actually sharing it with a vast community of microbes waiting within your digestive tract. A new study from a team including Carnegie's Steve Farber and Juliana Carten ...

Genetics

What are mitochondria and how did we come to have them?

We've probably all heard of mitochondria, and we may even remember learning in school that they are the "powerhouses of the cell" – but what does that actually mean, and how did they evolve? To answer this question, we ...

Immunology

Understanding how HIV evades the immune system

Monash University (Australia) and Cardiff University (UK) researchers have come a step further in understanding how the human immunodeficiency virus (HIV) evades the immune system.

Diseases, Conditions, Syndromes

Anti-antibiotics

Antimicrobial peptides are natural antibiotics found in all multicellular organisms. These molecules are viewed as potential drug candidates in the post-antibiotic era because widespread microbial resistance against them ...

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