New HIV-1 variant emerges in Cameroon

Article Abstract:

A group of researchers has discovered a new HIV-1 variant and subsequently came upon three related viruses that do not belong to the main group or the outlyer group of HIV-1. Francois Simon and colleagues have proposed that the new group, which falls midway between Group M HIV-1 and simian immunodeficiency virus from chimpanzees in the phylogenetic tree, be called 'Group N' or non-M/non-O. So far, only a few people in Cameroon have been found to have the virus, but it could rapidly be spread because it is infectious and can cause AIDS.

Variation (Biology)

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HIV-1 Nef protein: an invitation to a kill

Article Abstract:

Macrphages may be involved in spreading HIV-1 throughout the immune system. Research shows that the viral Nef protein can infect macrophages, which then secrete chemokines that make T cells more susceptible to infection.

Infection, Macrophages

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Nutrition, HIV, and drug abuse: the molecular basis of a unique role for selenium

Article Abstract:

HIV appears to produce proteins and enzymes that require selenium to function properly. This might explain the nutritional deficiencies seen in some HIV patients.

Selenium, Selenium (Chemical element)

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