The present invention relates to compositions and methods relating to the
characterization and function of V1a vasopressin receptor. Specifically,
the present invention provides transgenic animals comprising disruptions
in a V1a vasopressin receptor gene and methods of treating diseases
conditions, such as schizophrenia, diabetes and inflammatory bowel
disease. The present invention further relates to agents that modulate
V1a vasopressin receptor and methods of screening for agents that
modulate V1a vasopressin receptor for the treatment of diseases and
conditions such as schizophrenia, diabetes and inflammatory bowel
disease.