Partnering opportunity

Antibodies for anti-viral therapy.

Summary

A German university has developed a procedure to stimulate antibodies that promote the anti-viral T cell response. Since only very few direct anti-viral therapeutics are available, the stimulation procedure is a valid alternative or additional therapeutic approach. The university offers a license agreement to pharmaceutical companies.

Partner sought

The university is looking for partners from the pharmaceutical industry who are interested in applying the method and is offering them a license agreement.

Description

Cytotoxic CD8-positive T cells constitute the crucial leukocyte subpopulation for a cellular response against viral infection. Since only very few direct anti-viral therapeutics are available, the stimulation of an efficient and specific immune response against a viral infection is a valid alternative or additional therapeutic approach. The first of such strategies has been established by use of high doses of interferon, which however has a high risk of adverse reactions of the immune system, and low response rates. Therefore, it is mandatory to search for further immune stimulatory strategies that more specifically induce an anti-viral T cell response. The herein described approach of a German university is based on an antibody-mediated stimulation of the carcino-embryonic antigen-related cell adhesion molecule 1 (CEACAM1), which activates early parts of both the B cell and T cell receptor-induced signal transduction. The researchers have shown on the example of the lymphocytic choriomeningitis virus (LCMV) that these antibodies stimulate the activation and expansion of virus specific cytotoxic T cells, which comes along with a reduced virus load in serum and organs of mice. In vitro studies confirmed efficacy also against the influenza virus and cytomegalovirus. The monoclonal, humanized anti-CEACAM1 antibodies are offered under license agreement to partners from the pharmaceutical sector, who are interested in applying the method.

Advantages and innovations

The procedure presented here is a novelty in antibody research. For the first time a therapy approach is stimulating an immune response to a viral infection. It is conceivable as a monotherapy or in combination with other anti-viral therapies. Other advantages are: • Applies to a broad range of viruses • Specific immune response against specific viruses to biogas / methane without inhibition risks

Development stage

Under development/lab tested

Intellectual Property Rights (IPR)

Patent(s) applied for but not yet granted


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