Solitomab
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Solitomab (INN) (MT110) is an artificial bispecific monoclonal antibody that is being investigated as an anti-cancer drug. It is a fusion protein consisting of two single-chain variable fragments (scFvs) of different antibodies on a single peptide chain of about 55 kilodaltons. One of the scFvs binds to T cells via the CD3 receptor, and the other to EpCAM as a tumor antigen against gastrointestinal, lung, and other cancers.[1][2][3]
Mechanism of action
Like other bispecific antibodies, and unlike ordinary monoclonal antibodies, solitumab forms a link between T cells and its target tumor cell antigen. This causes T cells to exert cytotoxic activity on tumor cells by producing proteins like perforin and granzymes, independently of the presence of MHC I or co-stimulatory molecules. These proteins enter tumor cells and initiate the cell's apoptosis.[1][4] This action mimics physiological processes observed during T cell attacks against tumor cells.[4]
References
- ↑ 1.0 1.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Clinical trial number NCT00635596 for "Phase I Study of MT110 in Colorectal Cancer (CRC), Gastrointestinal (GI) and Lung Cancer (MT110-101)" at ClinicalTrials.gov
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 4.0 4.1 Lua error in package.lua at line 80: module 'strict' not found.
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