Skip to main content
An official website of the United States government
Government Funding Lapse
Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted.

The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov.

Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

autologous HPV-16/18 E6/E7-specific TGF-beta-resistant T lymphocytes

A preparation of autologous transforming growth factor-beta (TGF-beta)-resistant cytotoxic T-lymphocytes (CTL) reactive to human papilloma virus (HPV) types 16 and 18 E6/E7 antigens, with potential antineoplastic activity. Autologous T-lymphocytes from a HPV-positive cancer patient are exposed to and stimulated with dendritic cells (DCs) loaded with the HPV-16/18 proteins E6 and E7. In turn, the HPV-16/18 E6/E7-specific T-lymphocytes are transduced with a retroviral vector expressing a dominant-negative mutant of type II transforming growth factor (TGF)-beta receptor, which blocks signaling mediated by all three TGF-beta isoforms. Following re-administration to patients with HPV-positive tumors, the HPV-16/18 E6/E7-specific TGF-beta-resistant T-lymphocytes target HPV16/18 E6/E7-positive cells, which may result in a specific cytotoxic T-lymphocyte (CTL) response, followed by cell lysis and the inhibition of tumor cell proliferation. Tumors expressing TGF-beta inhibit T-lymphocyte activation and expansion.
Synonym:anti-VEGFR2-CAR retroviral vector-transduced autologous T lymphocytes
HPVST cells
Search NCI's Drug Dictionary