In vitro inhibition of a variety of human immunodeficiency virus isolates by a broadly reactive, V3-directed heteroconjugate antibody.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 1607697.
- No licence information is recorded for this record.
- Because redistribution is not established, this page shows the abstract only. Follow the links below for the full text.
Abstract
The cytotoxic efficacy of a heteroconjugate antibody composed of OKT3 cross-linked to a broadly reactive antibody directed against the GPGRAF sequence of the gp120 V3 region has been characterized. The heteroconjugate antibody could completely inhibit viral replication of both the IIIB and MN isolates of human immunodeficiency virus (HIV) at concentrations as low as 0.5 ng/ml. At an antibody concentration of 1 micrograms/ml, heteroconjugate-mediated cytotoxicity occurred at effector-to-target ratios as low as 0.006:1. Eight different HIV isolates were tested for in vitro inhibition by the anti-V3-OKT3 conjugate, and all but one were completely inhibited for at least 7 days. These results indicate that heteroconjugate antibodies are a potent, effective means by which HIV-infected cells can be killed and viral replication suppressed.
Medical subject headings
- HIV
- HIV Antibodies
- HIV Envelope Protein gp120
- Muromonab-CD3
- Peptide Fragments