Results 11 to 20 of about 38,816 (262)

Aquaporin-4 and Cognitive Disorders

open access: yesAging and disease, 2022
Aquaporin-4 (AQP4) is the most abundantly expressed aquaporin in the central nervous system (CNS) and is an integral part of the glymphatic system that cannot be ignored. The CNS has the glymphatic system instead of the conventional lymphatic system.
Wang, Yifan   +3 more
openaire   +2 more sources

Water Channels Aquaporin 4 and -1 Expression in Subependymoma Depends on the Localization of the Tumors. [PDF]

open access: yesPLoS ONE, 2015
We analyzed aquaporin 4 and -1 expression in subependymomas, benign and slow growing brain tumors WHO grade I. Ten subependymoma cases were investigated, five of the fossa inferior and five of the fossa superior.Using immunohistochemistry, we observed ...
Susan Noell   +5 more
doaj   +1 more source

Aquaporin 4 as a NH3 Channel [PDF]

open access: yesJournal of Biological Chemistry, 2016
Ammonia is a biologically potent molecule, and the regulation of ammonia levels in the mammalian body is, therefore, strictly controlled. The molecular paths of ammonia permeation across plasma membranes remain ill-defined, but the structural similarity of water and NH3 has pointed to the aquaporins as putative NH3-permeable pores. Accordingly, a range
Assentoft, Mette   +5 more
openaire   +5 more sources

Aquaporin-4 and brain edema [PDF]

open access: yesPediatric Nephrology, 2007
Aquaporin-4 (AQP4) is a water-channel protein expressed strongly in the brain, predominantly in astrocyte foot processes at the borders between the brain parenchyma and major fluid compartments, including cerebrospinal fluid (CSF) and blood. This distribution suggests that AQP4 controls water fluxes into and out of the brain parenchyma.
Papadopoulos, MC, Verkman, AS
openaire   +2 more sources

Exploring cell membrane water exchange in aquaporin-4-deficient ischemic mouse brain using diffusion-weighted MRI

open access: yesEuropean Radiology Experimental, 2021
Background Aquaporin-4 is a membrane channel protein that is highly expressed in brain astrocytes and facilitates the transport of water molecules. It has been suggested that suppression of aquaporin-4 function may be an effective treatment for reducing ...
Takuya Urushihata   +9 more
doaj   +1 more source

Aquaporin-4 and Cerebrovascular Diseases [PDF]

open access: yesInternational Journal of Molecular Sciences, 2016
Cerebrovascular diseases are conditions caused by problems with brain vasculature, which have a high morbidity and mortality. Aquaporin-4 (AQP4) is the most abundant water channel in the brain and crucial for the formation and resolution of brain edema.
Chu, Heling   +7 more
openaire   +2 more sources

Brain aquaporin-4 expression in the rat septic model (immunohistochemical study)

open access: yesMedičnì Perspektivi, 2022
The study aimed to determine aquaporin-4 expression in different brain regions was performed in Wistar rats subjected to cecal ligation and puncture (CLP) septic model.
T.V.  Shulyatnikova, V.O. Tumanskiy
doaj   +1 more source

Aquaporin-4 Expression in Meningioma Malignancy Progression

open access: yesBrazilian Neurosurgery, 2023
Objectives The aim of the present study is to analyze if aquaporin-4 (AQP4) may also be a tumor progression marker for meningiomas. Methods This is an immunohistochemistry study realized at the Universidade de São Paulo, São Paulo, state of ...
Benedito Jamilson Araújo Pereira   +5 more
doaj   +1 more source

Aquaporin 4 and neuromyelitis optica [PDF]

open access: yesThe Lancet Neurology, 2012
Neuromyelitis optica is an inflammatory demyelinating disorder of the CNS. The discovery of circulating IgG1 antibodies against the astrocyte water channel protein aquaporin 4 (AQP4) and the evidence that AQP4-IgG is involved in the development of neuromyelitis optica revolutionised our understanding of the disease.
Marios C, Papadopoulos, A S, Verkman
openaire   +2 more sources

Aquaporins in spinal cord injury: the janus face of aquaporin 4 [PDF]

open access: yesNeuroscience, 2010
Although malfunction of spinal cord water channels (aquaporins, AQP) likely contributes to severe disturbances in ion/water homeostasis after spinal cord injury (SCI), their roles are still poorly understood. Here we report and discuss the potential significance of changes in the AQP4 expression in human SCI that generates glial fibrillary acidic ...
Taylor,, Olivera Nesic   +8 more
openaire   +3 more sources

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