Pituitary Adenylyl Cyclase-activating Peptide (PACAP) Deficient Mice
Research tool for the study of circadian rhythms Development of drugs that overcome the phenotype observed in the PACAP deficient mice To study additional biological effects PACAP may have an effect on other areas of the body.
PACAP deficient mice exhibit significant impairment in the magnitude of the response to brief light exposures. Researches observed about a 50% reduction in the magnitude of both light-induced phase delays and advances of the circadian system in the PACAP deficient mice. Overall, loss of PACAP produced selective deficits in the light response of the circadian system.
Other Information To complete a Ready-to-Sign Agreement for this case, please view this document. [PDF] Background Pituitary adenylate cyclase-activating polypeptide (PACAP) is a 38-amino acid peptide that was first isolated from ovine hypothalamic extracts. It has been previously observed that light information reaches the suprachiasmatic nucleus through a population of retinal ganglion cells that contain PACAP, however the involvement of PACAP and its receptor is not well studied. In order to study the role of PACAP in vivo, a new mouse model was developed in which the gene encoding for PACAP was disrupted by homologous recombination. Related Materials Additional Technologies by these Inventors Tech ID/UC Case 20535/2001-466-0 Related Cases 2001-466-0
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