IDENTIFICATION OF HUMAN SQUAMOUS CELL CARCINOMA ANTIGENS

Award Information
Agency: Department of Health and Human Services
Branch: N/A
Contract: CA76818-01
Agency Tracking Number: 39670
Amount: $100,000.00
Phase: Phase I
Program: SBIR
Awards Year: 1997
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
2044 INDIA RD, STE 202, Charlottesville, VA, 22903
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 ROSS, MARK M
 () -
Business Contact
Phone: (804) 984-2040
Research Institution
N/A
Abstract
In the last several years there has been an explosion of information regarding the nature of peptide antigens expressed on human tumors together with class I molecules encoded in the Major Histocompatibility Complex (MHC) and recognized by cytotoxic T lymphocytes (CTL). One very successful approach aimed at the identification of these antigens, termed Direct Identification of Relevant Epitopes for Cancer Therapeutics or DIRECT TM, was developed by Argonex consultants. This technology involves the extraction and separation of class I MHC associated peptides, analysis for recognition of peptide-containing fractions using CTL from patients, and identification of the antigenic peptides by tandem mass spectrometry. In this Phase I application, we propose to employ DIRECT to isolate and identify one or more peptide antigens that are expressed on a human squamous cell cancer of the lung (SCCL) in the context of the human class I MHC molecule HLA-A68 and recognized by patient CTL. This research will lead to a more comprehensive analysis, using DIRECT, of antigens on SCCL recognized by CTL, including identification of the source proteins and an assessment of whether these or other peptides derived from the same proteins are recognized by CTL from other SCCL patients.

* Information listed above is at the time of submission. *

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