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Specialty: Cytology
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Total 18 results found since Jan 2013.

Effects of Rat Anti-mouse Interleukin-6 Receptor Antibody on the Recovery of Cognitive Function in Stroke Mice.
This study aimed to investigate the effects of rat anti-mouse interleukin (IL)-6 receptor antibody (MR16-1) on the recovery of cognitive function in stroke mice. Adult male C57BL/6 mice were subjected to middle cerebral artery occlusion (MCAO). Mice were randomly assigned into three groups: sham group, model group, and MR16-1 group. After the treatment of MR16-1, spatial learning and memory performance of mice were evaluated by the Morris water maze (MWM) and Y-maze tests. Then, brain slices were obtained and infarct volume and neuronal apoptosis were assessed by 2,3,5-triphenyltetrazolium chloride (TTC) staining and Termi...
Source: Cellular and Molecular Neurobiology - May 9, 2017 Category: Cytology Authors: Wei J, Sun C, Liu C, Zhang Q Tags: Cell Mol Neurobiol Source Type: research

Inhibition of Reactive Astrocytes with Fluorocitrate Ameliorates Learning and Memory Impairment Through Upregulating CRTC1 and Synaptophysin in Ischemic Stroke Rats.
Abstract Ischemic stroke often causes motor and cognitive deficits. Deregulated glia gap junction communication, which is reflected by increased protein levels of glial fibrillary acidic protein (GFAP) and connexin 43 (Cx43), has been observed in ischemic hippocampus and has been associated with cognitive impairment in animal stroke models. Here, we tested the hypothesis that reactive astrocytes-mediated loss of synaptophysin (SYP) and CREB-regulated transcription coactivator 1 (CRTC1) contribute to dysfunction in glia gap junction communication and memory impairment after ischemic stroke. Male Sprague-Dawley rats...
Source: Cellular and Molecular Neurobiology - July 2, 2019 Category: Cytology Authors: Zhang X, Shen X, Dong J, Liu WC, Song M, Sun Y, Shu H, Towse CL, Liu W, Liu CF, Jin X Tags: Cell Mol Neurobiol Source Type: research

The Role of Progranulin (PGRN) in the Pathogenesis of Ischemic Stroke
Cell Mol Neurobiol. 2023 Aug 10. doi: 10.1007/s10571-023-01396-8. Online ahead of print.ABSTRACTStroke is a life-threatening medical condition and is a leading cause of disability. Cerebral ischemia is characterized by a distinct inflammatory response starting with the production of various cytokines and other inflammation-related agents. Progranulin (PGRN), a multifunctional protein, is critical in diverse physiological reactions, such as cell proliferation, inflammation, wound healing, and nervous system development. A mature PGRN is anti-inflammatory, while granulin, its derivative, conversely induces pro-inflammatory c...
Source: Cellular and Molecular Neurobiology - August 10, 2023 Category: Cytology Authors: Daryush Purrahman Ali Shojaeian Łukasz A Poniatowski Bart łomiej Piechowski-Jóźwiak Mohammad-Reza Mahmoudian-Sani Source Type: research

Modulation of Synaptic Plasticity by Exercise Training as a Basis for Ischemic Stroke Rehabilitation.
Abstract In recent years, rehabilitation of ischemic stroke draws more and more attention in the world, and has been linked to changes of synaptic plasticity. Exercise training improves motor function of ischemia as well as cognition which is associated with formation of learning and memory. The molecular basis of learning and memory might be synaptic plasticity. Research has therefore been conducted in an attempt to relate effects of exercise training to neuroprotection and neurogenesis adjacent to the ischemic injury brain. The present paper reviews the current literature addressing this question and discusses ...
Source: Cellular and Molecular Neurobiology - February 24, 2016 Category: Cytology Authors: Nie J, Yang X Tags: Cell Mol Neurobiol Source Type: research

Astrocytic deletion of protein kinase R-like ER kinase (PERK) does not affect learning and memory in aged mice but worsens outcome from experimental stroke
J Neurosci Res. 2023 Jun 14. doi: 10.1002/jnr.25224. Online ahead of print.ABSTRACTAging is associated with cognitive decline and is the main risk factor for a myriad of conditions including neurodegeneration and stroke. Concomitant with aging is the progressive accumulation of misfolded proteins and loss of proteostasis. Accumulation of misfolded proteins in the endoplasmic reticulum (ER) leads to ER stress and activation of the unfolded protein response (UPR). The UPR is mediated, in part, by the eukaryotic initiation factor 2α (eIF2α) kinase protein kinase R-like ER kinase (PERK). Phosphorylation of eIF2α reduces pro...
Source: Cell Research - June 14, 2023 Category: Cytology Authors: Anirudhya Lahiri James C Walton Ning Zhang Neil Billington A Courtney DeVries Gordon P Meares Source Type: research

Neuro faces of beneficial T cells: essential in brain, impaired in aging and neurological diseases, and activated functionally by neurotransmitters and neuropeptides
Neural Regen Res. 2023 Jun;18(6):1165-1178. doi: 10.4103/1673-5374.357903.ABSTRACTT cells are essential for a healthy life, performing continuously: immune surveillance, recognition, protection, activation, suppression, assistance, eradication, secretion, adhesion, migration, homing, communications, and additional tasks. This paper describes five aspects of normal beneficial T cells in the healthy or diseased brain. First, normal beneficial T cells are essential for normal healthy brain functions: cognition, spatial learning, memory, adult neurogenesis, and neuroprotection. T cells decrease secondary neuronal degeneration,...
Source: Cell Research - December 1, 2022 Category: Cytology Authors: Mia Levite Source Type: research

Identification and characterization of the promoter and transcription factors regulating the expression of cerebral sodium/calcium exchanger 2 (NCX2) gene
Cell Calcium. 2022 Jan 23;102:102542. doi: 10.1016/j.ceca.2022.102542. Online ahead of print.ABSTRACTThe isoform 2 of sodium-calcium exchanger family (NCX2) is selectively expressed in neuronal and glial cells where it participates in Ca2+-clearance following neuronal depolarization, synaptic plasticity, hippocampal-dependent learning and memory consolidation processes. On the other hand, NCX2 is also involved in a neuroprotective effect following stroke. Despite the relevance of this antiporter under physiological and pathophysiological conditions, no studies have been reported on its genetic/epigenetic regulation. Theref...
Source: Cell Calcium - February 3, 2022 Category: Cytology Authors: Lucrezia Calabrese Angelo Serani Silvia Natale Valentina Tedeschi Natascia Guida Valeria Valsecchi Agnese Secondo Luigi Formisano Lucio Annunziato Pasquale Molinaro Source Type: research