Medical research

Sexual selection by sugar molecule helped determine human origins

Researchers at the University of California, San Diego School of Medicine say that losing the ability to make a particular kind of sugar molecule boosted disease protection in early hominids, and may have directed the evolutionary ...

Immunology

Shellfish allergies: can they be treated?

Seafood platters? Bouillabaisse? Arroz de Marisco? Seafood paella? Oysters Rockefeller? Lobster Thermidor? Dining out with friends, a romantic meal, celebrating Christmas or a holiday on a wind-swept coast with these seafood ...

Medical research

Novel DNA-sensing pathway in immune response to malaria

Until very recently, it was unclear why infection with malaria causes fever and, under severe circumstances, an infectious death. Although the parasite has an abundance of potentially toxic molecules, no one knew which ones ...

Medical research

Scientists 'supercharge' cancer-fighting T cells

Yale scientists have identified a way to "supercharge" tumor-attacking T cells, a finding that may not only improve the effectiveness of a promising type of cell-based cancer immunotherapy but also expand the number of cancers ...

HIV & AIDS

New HIV-inhibiting protein identified

Scientists have identified a new HIV-suppressing protein in the blood of people infected with the virus. In laboratory studies, the protein, called CXCL4 or PF-4, binds to HIV such that it cannot attach to or enter a human ...

HIV & AIDS

Scientists discover new way that HIV evades the immune system

Scientists have just discovered a new mechanism by which HIV evades the immune system, and which shows precisely how the virus avoids elimination. The new research shows that HIV targets and disables a pathway involving a ...

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