NDLI: Signaling Events during Swelling and Regulatory Volume Decrease

Content Provider	Springer Nature Link
Author	Pasantes Morales, Herminia Cardin, Velia Tuz, Karina
Copyright Year	2000
Abstract	Brain cell swelling compromises neuronal function and survival by the risk of generation of ischemia episodes as compression of small vessels occurs due to the limits to expansion imposed by the rigid skull. External osmolarity reductions or intracellular accumulation of osmotically active solutes result in cell swelling which can be counteracted by extrusion of osmolytes through specific efflux pathways. Characterization of these pathways has received considerable attention, and there is now interest in the understanding of the intracellular signaling events involved in their activation and regulation. Calcium and calmodulin, phosphoinositides and cAMP may act as second messengers, carrying the information about a cell volume change into signaling enzymes. Small GTPases, protein tyrosine kinases and phospholipases, also appear to be part of the signaling cascades ultimately modulating the osmolyte efflux pathways. This review focus on i) the influence of hyposmotic and isosmotic swelling on these signaling events and molecules and ii) the effects of manipulating their function on the osmolyte fluxes, particularly K$^{+}$, CI$^{−}$ and amino acids, and on the consequent efficiency of cell volume adjustment.
Starting Page	1301
Ending Page	1314
Page Count	14
File Format	PDF
ISSN	03643190
Journal	Neurochemical Research
Volume Number	25
Issue Number	9-10
e-ISSN	15736903
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2000-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Neurosciences Neurology Biochemistry
Content Type	Text
Resource Type	Article
Subject	Medicine Biochemistry Cellular and Molecular Neuroscience

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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