Recombinant T cell receptors that bind to NY-ESO-1 and / or LAGE-1A cancer antigens.

Recombinant T cell receptors targeting NY-ESO-1 and LAGE-1a antigens in an HLA-restricted manner address the limited availability of immunoreagents by enhancing immune response and inhibiting cancer growth through genetically modified T cells.

JP7893817B2Inactive Publication Date: 2026-07-22T CURE BIOSCIENCE INC
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
T CURE BIOSCIENCE INC
Filing Date
2021-06-18
Publication Date
2026-07-22
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

There is a limited availability of immunoreagents that effectively target the NY-ESO-1 and LAGE-1a cancer antigens, which are shared in an HLA-restricted manner, necessitating the development of novel compositions and methods for cancer treatment.

Method used

The development of recombinant T cell receptors that bind specifically to the NY-ESO-1 and/or LAGE-1a antigens in an HLA-restricted manner, comprising specific α and β chains with defined complementarity-determining regions (CDRs) for antigen recognition and binding, which can be used to generate genetically modified T cells for cancer therapy.

Benefits of technology

The recombinant T cell receptors enhance the immune response against cancer cells expressing NY-ESO-1 and/or LAGE-1a antigens, providing a targeted approach to inhibit cancer growth and treat or prevent cancer in subjects.

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Patent Text Reader

Abstract

The present invention relates to recombinant T cell receptors that specifically bind, in an MHC-restricted manner, to specific epitopes present in the shared cancer-testis antigen known as NY-ESO-1 and / or to specific epitopes present in the closely related antigen LAGE-1. The present invention provides T cell receptor-related polypeptides, fragments and functional variants thereof, as well as nucleic acids encoding the T cell receptor polypeptides of the invention, recombinant expression vectors and genetically modified cells (e.g., T cells) that express the T cell receptors, and their use in methods for diagnosing, treating, or preventing cancer in a subject.
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