| 摘要 |
The present invention relates to methods and compositions for regulating the activity of imidazoline receptors. In particular, the invention relates to pharmaceutical compositions comprising imidazoleacetic acid-ribotide (IAA-RP), imidazoleacetic acid-riboside (IAA-R) and its related congeners such as pros-linked ribotide and riboside. The invention is based on the discovery that IAA-RP and to a lesser extent IAA-P bind with a high affinity to imidazoline receptors. Antibodies to IAA-RP and IAA-R are additionally provided, as well as screening methods for identification of compounds that either promote or antagonize the activity of IAA-RP, IAA-R and its related congeners. The invention further relates to diagnostic and prognostic methods for detection of abnormalities in levels or activity of IAA-RP and IAA-R. The invention encompasses treatment of disorders related to the imidazoline system, including hypertension, glaucoma, psychiatric (e.g., depression), neurological (e.g., motor disorders, neurodegenerative disorders), diabetes and disorders related to platelet aggregation.
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