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Oxytocin (OT) and vasopressin (AVP) are endogenous ligands for OT and AVP receptors in the brain and in the peripheral system. Several studies demonstrate that OT and AVP have opposite roles in modulating stress, anxiety and social behaviours. Interestingly, both peptides and their receptors exhibit high sequence homology which could account for the biased signalling interaction of the peptides with OT and AVP receptors. However, how and under which conditions this crosstalk occurs in vivo remains unclear. In this review we shed light on the complexity of the roles of OT and AVP, by focusing on their signalling and behavioural differences and exploring the crosstalk between the receptor systems. Moreover, we discuss the potential of OT and AVP receptors as therapeutic targets to treat human disorders, such as autism, schizophrenia and drug abuse. LINKED ARTICLES: This article is part of a themed issue on Building Bridges in Neuropharmacology. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v179.8/issuetoc.
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http://dx.doi.org/10.1111/bph.15481 | DOI Listing |
J Ethnopharmacol
September 2025
The First Hospital of Hunan University of Chinese Medicine, Changsha 410007, China; Key Laboratory of Research and Transformation on Prevention and Treatment of Major Diseases in Internal Medicine of Traditional Chinese Medicine, Ministry of Education, Changsha 410007, China. Electronic address: mic
Ethnopharmacological Relevance: Primary dysmenorrhea (PD) is common and has a major impact on women's daily activities and quality of life. Wenjing Decoction (WD), a classic Chinese medicine formula, has been widely used for thousands of years in China to treat PD. However, the key pharmacodynamic substances in WD responsible for its anti-dysmenorrhea efficacy are still unclear.
View Article and Find Full Text PDFGenes (Basel)
August 2025
Department of Pediatrics and Endocrinology, Medical University of Warsaw, 02-091 Warsaw, Poland.
: Diabetes insipidus (DI) in newborns is an extremely rare condition, with the age of presentation strongly suggesting a genetic background of the disease. The differential diagnosis should include arginine vasopressin deficiency (AVD) and arginine vasopressin resistance (AVR). Some novel diagnostic tools such as copeptin evaluation and genetic tests are vital for early diagnosis.
View Article and Find Full Text PDFBackground: We reported previously that α-AR (α-adrenoceptor) and AVPR1A (arginine vasopressin receptor 1A) heteromerize with CCR1 (C-C motif [chemokine] receptor 1) in human monocytes, through which CCR1 is controlled. Whether CCR1 affects α-AR and AVPR1A signaling and whether such complexes are detectable in human vascular smooth muscle cells (hVSMCs) is unknown.
Methods And Results: Bioluminescence resonance energy transfer suggested that the receptors can form hetero-oligomeric complexes.
Int J Mol Sci
August 2025
Health Sciences Faculty, Universidad Icesi, Cali 760031, Colombia.
Nephrogenic diabetes insipidus (NDI) is a rare hereditary disorder characterized by renal resistance to arginine vasopressin (AVP), resulting in the kidneys' inability to concentrate urine. Approximately 90% of NDI cases follow an X-linked inheritance pattern and are associated with pathogenic variants in the gene, which encodes the vasopressin receptor type 2. The remaining 10% are attributed to mutations in the gene, which encodes aquaporin-2, and may follow either autosomal dominant or recessive inheritance patterns.
View Article and Find Full Text PDFFront Physiol
July 2025
Department of Clinical Biochemistry, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark.
Introduction: Prokineticin 2 (PK2) is believed to function as an output molecule, relaying circadian rhythms of behavior and physiology from the suprachiasmatic nucleus (SCN). The expression of PK2 in the SCN is primarily driven by the molecular clock, oscillating with high levels early-mid day and low levels during night. Furthermore, light at night induces the expression of PK2.
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