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M94A3259.TXT
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1994-10-25
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Document 3259
DOCN M94A3259
TI Modeling HIV pathogenesis using artificial life concepts and methods.
DT 9412
AU Baehr M; Mind Designs, New York, NY.
SO Int Conf AIDS. 1994 Aug 7-12;10(1):117 (abstract no. PA0087). Unique
Identifier : AIDSLINE ICA10/94369316
AB OBJECTIVE: To develop a computer simulation of HIV pathogenesis using
concepts and methods from artificial life research in order to enhance
understanding of the complexity and variability of immune system/HIV
interactions. METHODS: A database including 50 cell types and 10 HIV
strain types with 60 pseudogenes each. Pseudogenes for cell surface
receptor distribution, cytokine generation and effector thresholds as
well as behavior repertoires are included. Simulation components include
a pseudogene designer, a phenotypic tissue generator, a behavior
modeling module, a results/fitness evaluator, and a
reproduction/evolution algorithm. Software products include Microsoft
Excel and Maxis SimLife. RESULTS: The model generates phenotypically
representative 'cells' and simulates individual cell behavior based on
rules for movement, attraction, cytokine production and surface receptor
distribution. The model also creates cell ecology regions (lymph node,
blood, etc.) and has the ability to generate different ecology types
based on input variables. (CD4 T-cell count, HIV strain variability,
co-factors, etc.)
DE Algorithms *Computer Simulation Cytokines/BIOSYNTHESIS Databases,
Factual Human HIV/GENETICS/*PATHOGENICITY HIV
Infections/*ETIOLOGY/IMMUNOLOGY/MICROBIOLOGY *Models, Biological
Pseudogenes Receptors, Cell Surface/GENETICS/METABOLISM Tissue
Distribution MEETING ABSTRACT
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).