Kolltan Pharmaceuticals signs license agreement with University of Toronto for novel anti-KIT antibodies

Published on December 6, 2013 at 7:48 PM · No Comments

Kolltan Pharmaceuticals, a privately held biopharmaceutical company, today announced the Company has signed a license agreement with the University of Toronto for novel anti-KIT receptor tyrosine kinase antibodies identified in the laboratories of Dr. Sachdev Sidhu at the University of Toronto and the laboratory of Dr. Joseph Schlessinger of Yale University. Dr. Sidhu is a member of the faculty of Donnelly Centre for Cellular and Biomolecular Research, and current director of the Toronto Recombinant Antibody Centre (TRAC) at the University of Toronto, as well as a member of the Kolltan Scientific Advisory Board. Terms of the license were not disclosed. The license coincided with an article published in the Proceedings of the National Academy of Sciences (PNAS) that reveals novel insights into the structural biology of the KIT receptor tyrosine kinase.

Joseph Schlessinger, Ph.D., Chair of the Department of Pharmacology at Yale University and Kolltan Scientific Founder, commented, "The collaborations between my laboratory and those of Dr. Sidhu and Kolltan exemplify our combined commitment to discover novel ways to modulate KIT and other receptor tyrosine kinases."

The PNAS article, titled, "Structural basis for KIT receptor tyrosine kinase inhibition by antibodies targeting the D4 membrane-proximal region," was co-authored by Dr. Schlessinger and Dr. Sidhu and scientists in their respective institutions, in addition to scientists at Kolltan. The article reported antibody inhibition of cell proliferation mediated by both wild-type and mutant KIT receptors. One of the blocking antibodies demonstrated binding to the KIT receptor at a membrane-proximal site previously described by Dr. Schlessinger to be important for protein interactions leading to KIT activation.

"The scientific results revealed in our recent publication and covered through our license with the University of Toronto will aid our effort to develop robust KIT-blocking antibodies," commented Dr. Yaron Hadari, Vice President of Research at Kolltan. "We look forward to continuing our efforts to discover therapeutic strategies to target cells driven by or expressing KIT that are associated with human malignancies and other diseases."

SOURCE Kolltan Pharmaceuticals

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