Article ; Online: Cannabinoid Receptor Type 1 Activation Causes a Water Diuresis by Inducing an Acute Central Diabetes Insipidus in Mice.
American journal of physiology. Renal physiology
2024
Abstract: Cannabis and synthetic cannabinoid consumption is increasing worldwide. Cannabis contains numerous phytocannabinoids that act on the G-protein-coupled cannabinoid receptors type 1 (CB1R) and type 2 (CB2R) expressed throughout the body, including the ... ...
| Abstract | Cannabis and synthetic cannabinoid consumption is increasing worldwide. Cannabis contains numerous phytocannabinoids that act on the G-protein-coupled cannabinoid receptors type 1 (CB1R) and type 2 (CB2R) expressed throughout the body, including the kidney. Essentially every organ, including the kidney, produces endocannabinoids (ECs), endogenous ligands to these receptors. Cannabinoids acutely increase urine output in rodents and humans, thus potentially influencing total-body water and electrolyte homeostasis. As the kidney collecting duct (CD) regulates total body water, acid/base, and electrolyte balance through specific functions of principal cells (PCs) and intercalated cells (ICs), we examined the cell-specific immunolocalization of CB1R in the mouse CD. Antibodies against either the C-terminus or N-terminus of CB1R consistently labeled AQP2(-) cells in the cortical and medullary CD, and thus presumably ICs. Given the well-established role of ICs in urinary acidification, we utilized a clearance approach in mice that were acid-loaded with 280 mM NH |
|---|---|
| Language | English |
| Publishing date | 2024-04-18 |
| Publishing country | United States |
| Document type | Journal Article |
| ZDB-ID | 603837-2 |
| ISSN | 1522-1466 ; 0363-6127 |
| ISSN (online) | 1522-1466 |
| ISSN | 0363-6127 |
| DOI | 10.1152/ajprenal.00320.2022 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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