Life of science - Host cells of HIV quicken the release of the virus

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Host cells of HIV quicken the release of the virus

Written by Dr. H. P. Bustami

Tuesday, 23 December 2008

HIV-Virus leaving the host cell (3-D-electron-tomographie photograph, courtesy: University hospital of Heidelberg, Germany)
Scientists from Germany discovered an unknown mechanism in host cells of the AIDS-Virus. HIV affects cells of the immune system in humans. Viruses transform their hosts for their own purposes and reproduction. Finally they are released from the infected cell and start befalling other immune cells. But how is this achieved by the virus? The latest research results of german scientists from Heidelberg and Munich suggest an active role of the host cell itself!

With hightech-microscopy methods it could be shown that the host cells "help" releasing the AIDS-Virus at the cell membrane by producing a certain protein complex, called ESCRT. It helps cut off the connection between a the "baby-virus" and the cell surface of the host cell.

With a special three dimensional electron microscopy method - called electron tomographie - sensational photographs of AIDS-viruses leaving their host cell were made. In the electron tomographie the slices of cell membranes are shock frozen at - 196

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Comments (1)

	1. 17-05-2011 16:36
	Thanks for the article. I believe that prophylaxis must be considered to any person who is HIV positive to avoid worsening of the condition.While not in complete agreement, most medical experts connect HIV to AIDS as being the cause of the ultimately fatal virus. There is now concrete proof that early Human immunodeficiency virus medicinal remedy can largely curtail the Human immunodeficiency virus. Provided Human immunodeficiency virus patients have access to medical insurance, community outreach resources and other drug assistance programs to help defray the high cost of HIV medication, speedy treatment is sometimes possible. Here is the proof: Study: Treat HIV as early as possible to contain progression: from newsytype.com Registered

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