National Jewish Health

National Jewish Medical and Research Center

Hong-Bing Shu

Gongyi Zhang

Yingfang Liu

Liangguo Xu

Disclosed are TALL-1 and TALL-1 receptor protein homologues (agonists and antagonists) designed based on the three-dimensional structure of sTALL-1, eBCMA and eBAFF-R; agonist homologues of APRIL; methods of using wild-type APRIL to inhibit the activity of TALL-1; compositions comprising such homologues, nucleic acid molecules encoding such homologues, and therapeutic methods of using such compounds and compositions. Also disclosed are crystalline complexes of sTALL-1 and sTALL-1 in complex with either BCMA or BAFF-R; models of three-dimensional structures of such crystalline complexes and related structures, methods of drug design using any portion of such structures; methods of design and/or identification of regulatory peptides derived from the such structures; compounds identified by drug design using such structures; and the use of such compounds in therapeutic compositions and methods.

Three-dimensional structures of TALL-1 and its cognate receptors and modified proteins and methods related thereto

The amino acid and nucleic acid sequence of a protein expressed by monocytes and macrophages, called TALL-1, are disclosed. Homologues, mimetics and antibodies that bind to TALL-1 are disclosed. Also disclosed is the TALL-1 receptor, and homologues of such receptor. The invention includes methods for regulating the interaction between TALL-1 and its receptor and for identifying compounds capable of such regulation. The invention also includes methods for regulating B lymphocyte proliferation, activation, and/or survival.

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Denver, CO, United States of America

Hong-Bing Shu