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Document 2013
DOCN M94A2013
TI Transdominant and attenuated HIV-1s: implications for gene therapy.
DT 9412
AU Jeang KT; Smith S; Huang LM; NIAID, NIH, Bethesda, MD.
SO Int Conf AIDS. 1994 Aug 7-12;10(1):40 (abstract no. 132A). Unique
Identifier : AIDSLINE ICA10/94370562
AB OBJECTIVE: To create altered HIV-1 proviruses, containing foreign genes,
capable of autonomous replication with either a transdominant inhibitory
phenotype or an attenuated phenotype for pathogenicity. METHODS: Four
HIV-1 proviruses separately containing a PKR gene, an HSV-1 thymidine
kinase gene, an HTLV-I Tax gene, and a ribozyme gene were created. These
proviruses were tested in continuous T-lymphocyte cultures either alone
or in co-cultivation with wildtype HIV-1 to assay for attenuated
pathogenicity versus transdominant inhibitory properties. RESULTS: We
have found that proviruses containing PKR, HSV tk, and ribozyme have
capacities to be transdominant inhibitors of wildtype HIV-1. An altered
HIV-1 containing HTLV-I Tax showed highly reduced pathogenicity in
lymphocyte cultures. DISCUSSION: Attenuated HIVs are potentially useful
vaccine candidates. Transdominant HIVs that in themselves have been
constructed to be attenuated are useful for therapeutic considerations.
DE Cells, Cultured *Gene Therapy Genes, pX Genes, Viral/GENETICS Human
HIV Infections/THERAPY HIV-1/*GENETICS/*PATHOGENICITY HTLV-I/GENETICS
Protein-Serine-Threonine Kinases/GENETICS Proviruses/*GENETICS
T-Lymphocytes/MICROBIOLOGY Thymidine Kinase/GENETICS MEETING ABSTRACT
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).