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M9620358.TXT
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1996-02-26
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Document 0358
DOCN M9620358
TI Manipulation of the immune response by foreign gene expression in the
thymus.
DT 9602
AU Marshall DJ; Park BH; Korostoff JM; Gaulton GN; Department of Pathology
and Laboratory Medicine, University of; Pennsylvania, Philadelphia
19104, USA.
SO Leukemia. 1995 Oct;9 Suppl 1:S128-32. Unique Identifier : AIDSLINE
MED/96022237
AB Retroviral gene transfer vectors have been developed for optimal in vivo
gene therapy. Ideally, these vectors should target gene expression
specifically to selected tissues or organs. Our studies focus on the
development of retroviral vectors for gene delivery to the thymus. The
goal of these studies is to utilize thymic expression of exogenous genes
to manipulate the immune repertoire. We have characterized the selective
thymic tropism of a molecular clone of Gross murine leukemia virus,
GD-17, to thymic medullary epithelial cells using immunohistochemical
staining and confocal microscopy. Specific expression of viral antigens
in the thymus lead to the induction of immunologic tolerance to GMuLV
proteins. This tissue specific vector may thus be used to study the
requirements of epithelial mediated tolerance induction, and provide a
more efficient tool for gene therapy.
DE Animal Animals, Newborn Cell Line Embryo Female Flow Cytometry
*Gene Expression Gene Products, env/*BIOSYNTHESIS/GENETICS *Gene
Therapy Genetic Vectors Leukemia Viruses, Murine/*GENETICS Mice
Mice, Inbred C3H Pregnancy Repetitive Sequences, Nucleic Acid
Retroviridae Support, Non-U.S. Gov't Support, U.S. Gov't, P.H.S.
T-Lymphocytes/*IMMUNOLOGY Thymus Gland/*IMMUNOLOGY *Transfection
JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).