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“The common defect of all mystical systems previous to that of the Aeon whose Law is Thelema is that there has been no place for Laughter. But the sadness of the mournful Mother and the melancholy of the dying Man are swept in the limbo of the past by the confident smile of the immortal Child. And there is no Vision more critical in the career of the Adept of Horus than the Universal Joke.”

-Little Essays Towards Truth, “Laughter”

Author Topic: HIV Does Not Cause AIDS - New study  (Read 607 times)

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HIV Does Not Cause AIDS - New study
« on: August 30, 2015, 03:55:40 PM »
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A new study authored by scientists at the Gladstone Institutes and published in the journal Cell Reports earlier this week argues that it is not HIV that causes AIDS, at least not directly.

Rather, the researchers say the body's own immune cells are the ones that eventually trigger the disease. This means that tampering with them might help prevent the onset of AIDS.

How HIV affects the body

HIV, i.e. the Human Immunodeficiency Virus, can be transmitted via unprotected intimate relations, contaminated blood transfusions or hypodermic needles, or from mother to child during pregnancy, birth and breastfeeding.

Once in the body, the virus works to weaken the immune system. Infected individuals develop AIDS, i.e. Acquired Immune Deficiency Syndrome, when their immune system is seriously damaged.

More precisely, a patient is diagnosed with AIDS when their count of CD4 cells, which are specialized cells of the immune system, drops below 200 per milliliter of blood. The CD4 count in healthy individuals is 500 to 1,500.

In their study in the journal Cell Reports, the Gladstone Institutes scientists explain that, having carried out a series of experiments, they found that HIV progresses to AIDS via cell-to-cell transmission.

First, the virus infects a few cells. Then, these infected cells try pass on HIV to healthy cells, which respond by committing suicide in self-defense. It is when enough immune cells die in this manner than the infection progresses to AIDS. 

The Gladstone Institutes researchers say that, when compared to having the free-floating virus itself infect new cells, this cell-to-cell transmission is about 100 to 1,000 times more effective.

So much so that as much as 95% of cell death linked to HIV is the result of cell-to-cell transmission rather than having the self-standing virus infect healthy cells, the specialists go on to detail.

?Although free-floating viruses establish the initial infection, it is the subsequent cell-to-cell spread of HIV that causes massive CD4 T cell death,? says researcher Nicole Galloway.

?The fundamental 'killing units' of CD4 T cells in lymphoid tissues are other infected cells, not the free virus. And cell-to-cell transmission of HIV is required for activation of the main HIV death pathway,? adds scientist Gilad Doitsh.


 

 

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