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PMID: 7525646 Published · ppublish English Journal Article

Block of AIDS-Kaposi's sarcoma (KS) cell growth, angiogenesis, and lesion formation in nude mice by antisense oligonucleotide targeting basic fibroblast growth factor. A novel strategy for the therapy of KS.

The Journal of clinical investigation ·Vol. 94 ·No. 5 ·1994-11-00 ·Pages 1736-46

Ensoli B, Markham P, Kao V, Barillari G, Fiorelli V, Gendelman R, Raffeld M, Zon G, Gallo RC

Abstract

Kaposi's sarcoma (KS) is the most frequent tumor of HIV-1-infected individuals (AIDS-KS). Typical features of KS are proliferating spindle-shaped cells, considered to be the tumor cells of KS, and endothelial cells forming blood vessels. Basic fibroblast growth factor (bFGF), a potent angiogenic factor, is highly expressed by KS spindle cells in vivo and after injection in nude mice it induces vascular lesions closely resembling early KS in humans. Similar lesions are induced by inoculating nude mice with cultured spindle cells from AIDS-KS lesions (AIDS-KS cells) which produce and release bFGF. Here we show that phosphorothioate antisense (AS) oligonucleotides directed against bFGF mRNA (ASbFGF) inhibit both the growth of AIDS-KS cells derived from different patients and the angiogenic activity associated with these cells, including the induction of KS-like lesions in nude mice. These effects are due to the block of the production of bFGF which is required by AIDS-KS cells to enter the cell cycle and which, after release, mediates angiogenesis. The effects of ASbFGF are specific, dose dependent, achieved at low (0.1-1 microM), nontoxic, oligomer concentrations, and are reversed by the addition of bFGF to the cells, suggesting that ASbFGF oligomers are promising drug candidates for KS therapy.

MeSH Terms
Acquired Immunodeficiency Syndrome/pathology,therapy Animals Base Sequence Cell Division/drug effects Dose-Response Relationship, Drug Endothelium, Vascular/cytology Fibroblast Growth Factor 2/physiology Mice Mice, Inbred BALB C Mice, Nude Molecular Sequence Data Neovascularization, Pathologic/prevention & control Oligonucleotides, Antisense/therapeutic use Sarcoma, Kaposi/pathology,therapy
Chemicals
Oligonucleotides, Antisense Fibroblast Growth Factor 2
Authors & Affiliations
9 authors, click to expand affiliations / ORCID
Ensoli B
Laboratory of Tumor Cell Biology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892.
Markham P
Kao V
Barillari G
Fiorelli V
Gendelman R
Raffeld M
Zon G
Gallo R C
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Article Info
Journal
The Journal of clinical investigation
Abbr.
J Clin Invest
ISSN
0021-9738
DOI
10.1172/JCI117521
Published
1994-11-00
Pages
1736-46
Language
English
Region
United States
NLM ID
7802877
PMCID
PMC294564
Subset
IM
External Links
PubMed source DOI: 10.1172/JCI117521 PMC Full Text View journal details
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