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Journal of Molecular Neuroscience: MN

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https://www.readbyqxmd.com/read/28730337/memantine-can-reduce-ethanol-induced-caspase-3-activity-and-apoptosis-in-h4-cells-by-decreasing-intracellular-calcium
#1
Xiaolong Wang, Jiajun Chen, Hongbo Wang, Hao Yu, Changliang Wang, Jiabin You, Pengfei Wang, Chunmei Feng, Guohui Xu, Xu Wu, Rui Zhao, Guohua Zhang
Caspase-3 activation and apoptosis are associated with various neurodegenerative disorders. Calcium activation is an important factor in promoting apoptosis. We, therefore, assessed the role of intracellular calcium in ethanol-induced activation of caspase-3 in H4 human neuroglioma cells and the protective effect of the NMDA receptor antagonist, memantine, on ethanol-induced apoptosis in H4 cells. H4 cells were treated with 100 mM EtOH (in culture medium) for 2 days. For interaction studies, cells were treated with memantine (4 μM), EDTA (1 mM), or BAPTA-AM (10 μM) before treatment with EtOH...
July 20, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28730336/serologic-markers-of-autism-spectrum-disorder
#2
REVIEW
T V Khramova, Anna L Kaysheva, Y D Ivanov, T O Pleshakova, I Y Iourov, S G Vorsanova, Y B Yurov, A A Schetkin, A I Archakov
According to WHO data, about 67 million people worldwide are affected by autism, and this number grows by 14% annually. Among the possible causes of autism are genetic modifications, organic lesions of the central nervous system, metabolic disorders, influence of viral and bacterial infections, chemical influence to the mother's body during pregnancy, etc. The conducted research shows that research papers published until today do not name any potential protein markers that meet the requirements of the basic parameters for evaluating the efficiency of disease diagnostics, in particular high sensitivity, specificity, and accuracy...
July 20, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28726016/amyloid-%C3%AE-derived-from-the-brain-of-the-alzheimer-s-disease-transgenic-mouse-is-resistant-to-proteolytic-digestion-due-to-its-conformation
#3
Baian Chen, Jing Zhang, Shubo Wang, Wen Wang, Zitong Yao, Quan Sun, Yi Wu, Jing Lu
The main pathological feature of Alzheimer's disease (AD) is the formation of abundant amyloid-β (Aβ) plaques in the human brain. Studies have reported that Aβ from the AD brain is resistant to proteolytic digestion, which may explain why Aβ cannot be readily eliminated from this organ. However, there are only a few studies that address this important question. We used the AD transgenic mouse (APP/PS1) model to show that Aβ derived from the brain of the old mouse is resistant to proteolytic digestion. This was in contrast to the proteinase K-sensitive human Aβ peptide, whose amino acid sequence was identical to that of AD mouse-derived Aβ but whose conformation was different (i...
July 19, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28721654/c-reactive-protein-gene-contributes-to-the-genetic-susceptibility-of-hemorrhagic-stroke-in-men-a-case-control-study-in-chinese-han-population
#4
Yong Xue, Long Zhang, Yao Fan, Qianhui Li, Yuzhang Jiang, Chong Shen
High-sensitivity C-reactive protein (hsCRP) is an inflammatory marker for the prediction and prognosis of ischemic stroke but there is an absence of evidence for cerebral hemorrhagic events. The aim of this study is to investigate the effects of elevated plasma hsCRP and CRP genetic variants on hemorrhagic stroke (HS). Two hundred thirty-six inpatients with HS and 993 age-matched controls from a community-based population were included in a case-control study and four tagging single nucleotide polymorphsims (tagSNPs) at CRP were genotyped...
July 18, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28707174/examining-the-role-of-microglia-and-astroglia-during-the-pathogenesis-of-alzheimer-s-disease-via-the-puri-li-model
#5
R A Thuraisingham
The Puri-Li kinetic model is explored here to study the contribution of microglia and astroglia during the pathogenesis of Alzheimer's disease (AD). This is carried out by solving the Puri-Li model under steady-state conditions. The derived expressions show that both of them play a role in the pathogenesis of AD. Examination of the steady-state solutions where microglia and astroglia are involved shows that equilibrium conditions are achieved by microglia and astroglia destroying neurons. These findings from this model are in agreement with the results in the literature, where microglia and astroglia are considered to act as inflammatory cells producing toxins to destroy neurons...
July 13, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28695482/role-of-apolipoproteins-and-%C3%AE-synuclein-in-parkinson-s-disease
#6
REVIEW
Fatemeh Nouri Emamzadeh
Parkinson's disease (PD) is a progressive brain disorder that interferes with activities of normal life. The main pathological feature of this disease is the loss of more than 80% of dopamine-producing neurons in the substantia nigra (SN). Dopaminergic neuronal cell death occurs when intraneuronal, insoluble, aggregated proteins start to form Lewy bodies (LBs), the most important component of which is a protein called α-synuclein (α-syn). α-Syn structurally contains hexameric repeats of 11 amino acids, which are characteristic of apolipoproteins and thus α-syn can also be considered an apolipoprotein...
July 10, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28689265/aerobic-glycolysis-hypothesis-through-wnt-beta-catenin-pathway-in-exudative-age-related-macular-degeneration
#7
REVIEW
Alexandre Vallée, Yves Lecarpentier, Rémy Guillevin, Jean-Noël Vallée
Exudative age-related macular degeneration (AMD) is characterized by molecular mechanisms responsible for the initiation of choroidal neovascularization (CNV). Inflammatory processes are associated with upregulation of the canonical WNT/beta-catenin pathway in exudative AMD. We focus this review on the link between WNT/beta-catenin pathway activation and neovascular progression in exudative AMD through activation of aerobic glycolysis for production of angiogenic factors. Increased WNT/beta-catenin pathway involves hexokinase 2 (HK2) and pyruvate kinase M2 (PKM2)...
July 8, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28664358/oxytocin-intranasal-administration-affects-neural-networks-upstream-of-gnrh-neurons
#8
Mohammad Saied Salehi, Homayoun Khazali, Fariba Mahmoudi, Mahyar Janahmadi
The last decade has witnessed a surge in studies on the clinical applications of intranasal oxytocin as a method of enhancing social interaction. However, the molecular and cellular mechanisms underlying its function are not completely understood. Since oxytocin is involved in the regulation of hypothalamic-pituitary-gonadal axis by affecting the gonadotropin-releasing hormone (GNRH) system, the present study addressed whether intranasal application of oxytocin has a role in affecting GNRH expression in the male rat hypothalamus...
June 29, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28653133/dysregulation-of-cerebellar-adrenomedullin-signaling-during-hypertension
#9
Leticia Figueira, Anita Israel
Adrenomedullin (AM) is a peptide involved in blood pressure regulation. AM activates three different receptors, the AM type 1 (AM1), type 2 (AM2), and calcitonin gene-related peptide 1 (CGRP1) receptors. AM triggers several signaling pathways such as adenylyl cyclase (AC), guanylyl cyclase (GC), and extracellular signal-regulated kinases (ERK) and modulates reactive oxygen species (ROS) metabolism. Cerebellar AM, AM-binding sites, and its receptor components are altered during hypertension, although it is unknown if these alterations are associated with changes in AM signaling...
June 26, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28647856/glial-and-neuronal-protein-tyrosine-phosphatase-alpha-ptp%C3%AE-regulate-oligodendrocyte-differentiation-and-myelination
#10
Yuda Shih, Philip T T Ly, Jing Wang, Catherine J Pallen
CNS myelination defects occur in mice deficient in receptor-like protein tyrosine phosphatase alpha (PTPα). Here, we investigated the role of PTPα in oligodendrocyte differentiation and myelination using cells and tissues from wild-type (WT) and PTPα knockout (KO) mice. PTPα promoted the timely differentiation of neural stem cell-derived oligodendrocyte progenitor cells (OPCs). Compared to WT OPCs, KO OPC cultures had more NG2+ progenitors, fewer myelin basic protein (MBP)+ oligodendrocytes, and reduced morphological complexity...
June 24, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28634693/rhepo-enhances-cellular-anti-oxidant-capacity-to-protect-long-term-cultured-aging-primary-nerve-cells
#11
Huqing Wang, Jiaxin Fan, Mengyi Chen, Qingling Yao, Zhen Gao, Guilian Zhang, Haiqin Wu, Xiaorui Yu
Erythropoietin (EPO) may protect the nervous system of animals against aging damage, making it a potential anti-aging drug for the nervous system. However, experimental evidence from natural aging nerve cell models is lacking, and the efficacy of EPO and underlying mechanism of this effect warrant further study. Thus, the present study used long-term cultured primary nerve cells to successfully mimic the natural aging process of nerve cells. Starting on the 11th day of culture, cells were treated with different concentrations of recombinant human erythropoietin (rhEPO)...
June 21, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28620838/modelling-fus-mislocalisation-in-an-in-vitro-model-of-innervated-human-muscle
#12
Sonja Prpar Mihevc, Mojca Pavlin, Simona Darovic, Marko Živin, Matej Podbregar, Boris Rogelj, Tomaz Mars
Degeneration of distal axons and neuromuscular junctions is an early feature in the pathology of amyotrophic lateral sclerosis (ALS), which culminates in motor neuron loss due to axon retraction and muscle atrophy. The complex interactions in the pathogenesis of ALS between motor neurons, muscle cells and accompanying glia require an appropriate experimental model. Here, we have defined a co-culture model based on human myotubes innervated by neurons from embryonic rat spinal cord explants to investigate the pathology and treatment of ALS...
June 15, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28620837/retraction-note-to-nucleolin-promotes-tgf-%C3%AE-signaling-initiation-via-tgf-%C3%AE-receptor-i-in-glioblastoma
#13
Shunzeng Lv, Jie Zhang, Mingzhi Han, Weiping Wang, Ya Zhang, Dongxiao Zhuang, Ranran Shi, Ruixiang Bian, Chengjun Yao
No abstract text is available yet for this article.
June 15, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28616777/differential-regulation-of-mecp2-phosphorylation-by-laminin-in-oligodendrocytes
#14
Zalak S Parikh, Ashutosh Tripathi, Prakash P Pillai
Oligodendrocytes (OLGs) are the myelinating cells of the central nervous system (CNS), and its proper differentiation is crucial for normal functioning of neurons. Methyl-CpG-binding protein 2 (MeCP2) is a multifunctional methylated DNA binding protein; mutation of which causes Rett syndrome, a severe neurodevelopmental disorder. Previously, we reported that MeCP2 is expressed in all the stages of oligodendrocyte development, and also shown the role of MeCP2 as a transcription regulator of myelin genes in OLGs...
June 14, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28616776/evidence-towards-rna-binding-motif-rnp1-rrm-protein-3-rbm3-as-a-potential-biomarker-of-lithium-response-in-bipolar-disorder-patients
#15
Eleni Merkouri Papadima, Paola Niola, Carla Melis, Claudia Pisanu, Donatella Congiu, Cristiana Cruceanu, Juan Pablo Lopez, Gustavo Turecki, Raffaella Ardau, Giovanni Severino, Caterina Chillotti, Maria Del Zompo, Alessio Squassina
Lithium has been used for more than six decades for the management of bipolar disorder (BD). In a previous transcriptomic study, we showed that patients affected by either BD or cluster headache, both disorders characterized by circadian disturbances and response to lithium in a subgroup of patients, have higher expression of the RNA binding motif (RNP1, RRM) protein 3 (RBM3) gene compared to controls. To investigate whether RBM3 could represent a biomarker of lithium response, we screened raw microarray expression data from lymphoblastoid cell lines (LCLs) derived from 20 BD patients, responders or non-responders to lithium...
June 14, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28601977/neuroglobin-protects-rats-from-sepsis-associated-encephalopathy-via-a-pi3k-akt-bax-dependent-mechanism
#16
Songyun Deng, Yuhang Ai, Hua Gong, Caixia Chen, Qianyi Peng, Li Huang, Long Wu, Lemeng Zhang, Lina Zhang
Sepsis-associated encephalopathy (SAE) is a common complication of sepsis, and has no generally accepted treatment due to its complicated pathophysiology. Previously, we demonstrated the protective role of neuroglobin (Ngb) in SAE rats, but the exact mechanism has not been determined. To investigate the potential neuroprotective roles and mechanisms of Ngb, Sprague-Dawley rats were used. Overexpression of Ngb via intracerebroventricular injection with Ngb plasmids attenuated brain damage assessed by hematoxylin and eosin (HE) staining and neurological dysfunction assessed by Morris water maze test...
June 10, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28578517/phosphate-transporters-expression-in-patients-with-primary-familial-brain-calcifications
#17
L F Pimentel, R R Lemos, J R Oliveira
Primary familial brain calcification (PFBC), formerly known as Fahr disease, is a rare neurological disorder characterized by extensive calcification deposits in the brain. So far, four genes have been reported with variations associated with PFBC, SLC20A2, PDGFβ, PDGFRβ, and XPR1. Using real-time qPCR, we analyzed the expression of three inorganic phosphate (Pi) transporters (SLC20A1, SLC20A2, and XPR1) in patients with PFBC. Our results showed a significant reduction (~40%) of SLC20A2 expression in the patients carrying mutation whereas no significant change was observed within the patients without known mutations...
June 3, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28577205/a-preliminary-study-ps1-increases-u1-snrna-expression-associated-with-ad
#18
Zhi Cheng, Zhanqiang Du, Yingchun Shang, Yuling Zhang, Tao Zhang
U1 small nuclear RNA (snRNA) is selectively enriched in 100% of familial Alzheimer's disease (AD) resulting from presenilin1 (PS1) and amyloid precursor protein (APP) mutations. However, it remains unknown what gene or protein cause the U1 snRNA overexpression and then resulted in AD. Using SH-SY5Y cells, we discovered that PS1 induced the overexpression of U1 snRNA, which increased the production of Aβ. Moreover, the U1 snRNA overexpression induced the upregulation of apoe and clu transcripts. In addition, the levels of phosphorylation of tau protein at Thr212 were significantly elevated in U1 snRNA overexpression cells...
June 3, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28474151/alismol-a-sesquiterpenoid-isolated-from-vladimiria-souliei-suppresses-proinflammatory-mediators-in-lipopolysaccharide-stimulated-microglia
#19
Dongdong Shi, Xiaoqiang Song, Yuanqiang Guo, Jing Xu, Yu Liu, Jingling Zhang, Chun-Ai Cui, Da-Qing Jin
Microglia activation plays an important role in the pathogenesis of various neurodegenerative diseases by producing neurotoxic factors, such as proinflammatory cytokines and nitric oxide (NO); therefore, suppression of microglia activation is a potential therapeutic approach against these diseases. Previous study showed that alismol, a sesquiterpenoid isolated from the roots of Vladimiria souliei inhibits interferon-γ-induced NO production in murine macrophage RAW264.7 cells. In the present study, we found that alismol reduced NO and prostaglandin E2 (PGE2) levels and suppressed the expression of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) in lipopolysaccharide (LPS)-stimulated primary and cultured microglia...
May 4, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28560687/hiv-1-gp120-upregulates-brain-derived-neurotrophic-factor-bdnf-expression-in-bv2-cells-via-the-wnt-%C3%AE-catenin-signaling-pathway
#20
Yongdi Wang, Jinxu Liao, Shao-Jun Tang, Jianhong Shu, Wenping Zhang
HIV-1 gp120 plays a critical role in the pathogenesis of HIV-associated pain, but the underlying molecular mechanisms are incompletely understood. This study aims to determine the effect and possible mechanism of HIV-1 gp120 on BDNF expression in BV2 cells (a murine-derived microglial cell line). We observed that gp120 (10 ng/ml) activated BV2 cells in cultures and upregulated proBDNF/mBDNF. Furthermore, gp120-treated BV2 also accumulated Wnt3a and β-catenin, suggesting the activation of the Wnt/β-catenin pathway...
June 2017: Journal of Molecular Neuroscience: MN
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