What Triggers transient AIDS in the Acute Phase of HIV Infection and chronic AIDS at the End of the Incubation PeriodReportar como inadecuado




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Computational and Mathematical Methods in Medicine - Volume 8 2007, Issue 2, Pages 125-151

Original Article Physics Department, University of Maryland Baltimore County, 1000 Hilltop Circle, Catonsville, MD, USA

Received 26 April 2006; Revised 11 July 2006; Accepted 28 February 2007

Copyright © 2007 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Novel dynamical models are introduced demonstrating that the T helper cell THC density drops in the acute infection phase of HIV infection, sometimes causing transient AIDS, and at the end of the incubation period causing chronic AIDS have a common dynamical cause. The immune system's inability to produce enough uninfected THCs to replace the infected ones it is destroying causes a drop in the THC density at any stage of HIV infection. Increases in viral infectivity, probably caused by random mutation of HIV, are shown to drive the progression of the infection. The minimum incubation period for the long term non-progressors LTNPs was calculated from a novel physical model: 0.3% of infecteds have incubation periods of 23.1 years or more, and there is no biomedical difference between LTNPs and progressors. Chronic AIDS is shown to result from three random transitions linking four clinically-distinct stages of HIV infection following seroconversion.





Autor: Ivan Kramer

Fuente: https://www.hindawi.com/



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