The rat SCO responsiveness to prolonged water deprivation: implication of Reissner's fiber and serotonin system

Comptes rendus biologies
Hicham ChatouiH Gamrani

Abstract

The osmotic stress is a potent stimulus that can trigger several peripheral as well as central impairments. The brain is a vulnerable target of the osmotic stress and particularly circumventricular organs (CVOs) regarding their strategic localization as sensory organs of biochemical changes in the blood and cerebrospinal fluid circulations. The subcommissural organ (SCO) is a CVO which releases doubly in the CSF and blood circulation a glycoprotein called Reissner's fiber (RF) that has been associated to several functions including electrolyte and water balances. The present work was aimed on the assessment of the secretory activity of the SCO and its serotoninergic innervation following 2 weeks of total water restriction in Wistar rat. Using the immunohistochemistry of RF and serotonin (5HT), our data showed a significant overall reduction of RF immunoreactivity within both ependymal and hypendymal cells of the SCO of dehydrated rats compared to their corresponding controls, this decrease was concomitant with an enhancement of fibers 5HT immunoreactivity in the SCO as well as in the classical ependyma and in the dorsal raphe nucleus (DRN), constituting the origin of this innervation. The present findings support the possible i...Continue Reading

References

Oct 1, 1991·Clinical and Experimental Pharmacology & Physiology·M S MahapatraB Maiti
May 1, 1985·Hormone and Metabolic Research = Hormon- Und Stoffwechselforschung = Hormones Et Métabolisme·E A EzzaraniR Brudieux
Jan 1, 1972·Zeitschrift für Zellforschung und mikroskopische Anatomie·J Leonieni, L Rechardt
Oct 24, 1994·Neuroscience Letters·C D BalabanW B Severs
Feb 15, 2001·Brain Research. Developmental Brain Research·A LaalaouiH Gamrani
Mar 10, 2001·Microscopy Research and Technique·A J JiménezJ M Pérez-Fígares
Jun 1, 1956·The Journal of Clinical Investigation·G B FORBES, A M LEWIS
Dec 1, 1958·The Anatomical Record·G J GILBERT
Jan 1, 1963·Neurology·G J GILBERT
Jan 1, 1965·Acta Endocrinologica·M PALKOVITSJ FACHET
Dec 11, 2003·Brazilian Journal of Medical and Biological Research = Revista Brasileira De Pesquisas Médicas E Biológicas·E L OlivaresL C Reis
Mar 30, 2004·Anais Da Academia Brasileira De Ciências·Hawlinston R C LimaLuís C Reis
Nov 1, 2005·Brazilian Journal of Medical and Biological Research = Revista Brasileira De Pesquisas Médicas E Biológicas·H R Cavalcante-LimaL C Reis
Mar 15, 2006·Brazilian Journal of Biology = Revista Brasleira De Biologia·L C Reis, V R Marinho
Dec 8, 2006·The International Journal of Biochemistry & Cell Biology·Annie Meiniel
Dec 17, 2009·Cell and Tissue Research·Carolina Hoyo-BecerraJesus M Grondona
Jan 1, 1983·Neurochemistry International·D Weissmann-NanopoulosJ F Pujol
Sep 17, 2010·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·W David KnightJ Thomas Cunningham

❮ Previous
Next ❯

Citations

Sep 5, 2013·Thyroid : Official Journal of the American Thyroid Association·Antonio C BiancoUNKNOWN American Thyroid Association Task Force on Approaches and Strategies to Investigate Thyroid Hormone Economy and Action
Oct 4, 2021·Fluids and Barriers of the CNS·Vania SepúlvedaTeresa Caprile

❮ Previous
Next ❯

Related Concepts

Related Feeds

CSF & Lymphatic System

This feed focuses on Cerebral Spinal Fluid (CSF) and the lymphatic system. Discover the latest papers using imaging techniques to track CSF outflow into the lymphatic system in animal models.