The Salk Institute for Biological Studies

Dean A Kirby

Jean E Rivier

Marilyn H Perrin

Jean E F Rivier

Wylie Walker Vale, Jr

Jozsef Gulyas

CRF peptide analogs that bind to CRFR2 with an affinity far greater than they bind to CRFR1. These analogs exhibit CRF antagonist activity, and they can be based upon the native structures of sauvagine, CRF, and urocortin.

CRFR2 selective ligands

Centrally truncated NPY cyclic peptide analogs are described which have selective bioactivity for NPY Y1 receptors. Methods are provided for diagnosing physiological disorders manifested by abnormal levels of endogenous Y1 receptors, by means of measuring the amount of a NPY Y1 specific cyclic peptide analog which binds to a biological sample, and by means of administering a radiolabelled NPY Y1 specific cyclic peptide analog to a host subject followed by radiographic imaging. A method is further provided for therapeutic use of the cyclic peptide NPY analogs in clinical treatment of hypotension and anorexia.

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Dean A Kirby