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Journal of Molecular Neuroscience: MN

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https://www.readbyqxmd.com/read/28812237/pharmacological-effects-on-ceroid-lipofuscin-and-neuronal-structure-in-cln3-%C3%A2-ex7-8-mouse-brain-cultures
#1
Douglas E Brenneman, David A Pearce, Attila Kovacs, Shawn DeFrees
Juvenile Batten disease (JBD) is an inherited disorder that is characterized by the development of blindness, seizures, and progressive motor, psychiatric, and cognitive impairment. A model of JBD expressing the predominant human mutation (Cln3 (∆ex7/8) ) has been explored. Dissociated brain cultures from Cln3 (∆ex7/8) knock-in mice were compared to wild type (WT) for effects on granules of ceroid lipofuscin (CL) and neuronal structure. Utilizing high content image analysis of CL granules identified with antibodies to mitochondrial ATP synthase subunit c or tripeptidyl peptidase-1, significant increases in the areas for both immunoreactive granules were observed in Cln3 (∆ex7/8) cultures in comparison to WT...
August 15, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28803438/inhibitor-of-endocannabinoid-deactivation-protects-against-in-vitro-and-in-vivo-neurotoxic-effects-of-paraoxon
#2
Karen L G Farizatto, Sara A McEwan, Vinogran Naidoo, Spyros P Nikas, Vidyanand G Shukla, Michael F Almeida, Aaron Byrd, Heather Romine, David A Karanian, Alexandros Makriyannis, Ben A Bahr
The anticholinesterase paraoxon (Pxn) is related to military nerve agents that increase acetylcholine levels, trigger seizures, and cause excitotoxic damage in the brain. In rat hippocampal slice cultures, high-dose Pxn was applied resulting in a presynaptic vulnerability evidenced by a 64% reduction in synapsin IIb (syn IIb) levels, whereas the postsynaptic protein GluR1 was unchanged. Other signs of Pxn-induced cytotoxicity include the oxidative stress-related production of stable 4-hydroxynonenal (4-HNE)-protein adducts...
August 12, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28801819/treadmill-exercise-prevents-increase-of-neuroinflammation-markers-involved-in-the-dopaminergic-damage-of-the-6-ohda-parkinson-s-disease-model
#3
Caroline Cristiano Real, Priscila Crespo Garcia, Luiz R G Britto
Parkinson's disease (PD) involves loss of dopaminergic neurons in the substantia nigra (SN), which can be correlated to neuroinflammatory changes with the aging of the nervous system. On the other hand, exercise can reduce the deleterious effects promoted by age, but the mechanism involved is still unclear. This study investigated the preventive exercise-induced changes on neuroinflammatory processes in a rat model of PD induced by unilateral striatal injections of 6-hydroxydopamine (6-OHDA). Adult male Wistar rats were divided into two groups: (1) sedentary (SED) or (2) exercised (EX), animals that did treadmill exercise three times per week, every other day, for 4 weeks prior to 6-OHDA or saline injection...
August 11, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28799099/metachromatic-leukodystrophy-mld-a-pakistani-family-with-novel-arsa-gene-mutation
#4
Muhammad Aiman Shahzad, Saba Khaliq, Ali Amar, Saqib Mahmood
A deficiency of the enzyme arylsulfatase A (ARSA) causes a progressive neurodegenerative lysosomal storage disease known as metachromatic leukodystrophy (MLD). Diagnosis is based on the onset of neurological symptoms, presence of gait abnormalities, spasticity, decreased muscle stretch reflexes and neuro-radiological evidence of demyelination. The purpose of the present study was to identify any mutation in the candidate ARSA gene in a family of late infantile MLD patients. The diagnosis of suspected MLD patients was confirmed by a MRI report and low ARSA enzymatic activity in leukocytes...
August 10, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28791619/vimentin-promotes-astrocyte-activation-after-chronic-constriction-injury
#5
Pengfei Xue, Liming Chen, Xiongsong Lu, Jinlong Zhang, Guofeng Bao, Guanhua Xu, Yuyu Sun, Xiaofeng Guo, Jiawei Jiang, Haiyan Gu, Zhiming Cui
Vimentin, among the family of the intermediate filament, plays as the organizer of some critical proteins involved in migration, attachment, and cell signaling. In this study, the role of vimentin in chronic constriction injury (CCI) was investigated. Western blot revealed increased protein level of vimentin following CCI, peaking at 7 days. Double immunofluorescent staining showed that vimentin was mostly co-localized with astrocytes, not with neurons or microglia. In vitro, sensory neuronal injury stimulated astrocytes to produce more pro-inflammation cytokines, p-ERK (phosphorylated extracellular signal-regulated protein kinase), and vimentin...
August 8, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28780624/carbon-monoxide-releasing-molecule-2-inhibits-connexin-43-hemichannel-activity-in-spinal-cord-astrocytes-to-attenuate-neuropathic-pain
#6
Hui Wang, Xuejun Sun
Carbon monoxide-releasing molecule (CORM-2) acts as a carbon monoxide (CO) deliverer in a more controlled manner without altering carboxyhemoglobin level and exerts potential function in inhibiting inflammation and/or acute nociception. However, the regulatory mechanism of CORM-2 on spinal nerve ligation (SNL)-induced neuropathic pain is not currently clear. Our study aims to investigate the role of CORM-2 in neuropathic pain and the underlying mechanism. We found that spinal cord astrocytes were dramatically activated on day 7 after SNL...
August 6, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28779236/the-synergic-effect-of-tetramethylpyrazine-phosphate-and-borneol-for-protecting-against-ischemia-injury-in-cortex-and-hippocampus-regions-by-modulating-apoptosis-and-autophagy
#7
Bin Yu, Ming Ruan, Tao Liang, Shi-Wen Huang, Yun Yu, Hai-Bo Cheng, Xiang-Chun Shen
This study aimed to investigate the synergic effects of tetramethylpyrazine phosphate (TMPP) and borneol (BO) for protecting against ischemia in the cortex and hippocampus. A rat model of global cerebral ischemia-reperfusion (GCIR) was induced by four-vessel occlusion. The results showed that TMPP (13.3 mg/kg), BO (0.16 g/kg), and their combination improved the ultrastructure of neurons, reduced the apoptosis index, and reduced the intracellular calcium content in both the cortex and hippocampus. TMPP and the combined treatment increased cortex autophagy by modulating phosphorylated adenosine monophosphate-activated protein kinase (pAMPK) in the pAMPK-mammalian target of rapamycin (mTOR)-Unc-51-like kinase 1 (ULK1) signaling pathway, whereas BO only regulated ULK1...
August 4, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28762133/origins-and-neurochemical-characteristics-of-porcine-intervertebral-disc-sympathetic-innervation-a-preliminary-report
#8
Monika Barczewska, Judyta Juranek, Joanna Wojtkiewicz
Intervertebral disc diseases (IVDDs) form a group of a vertebral column disorders affecting a large number of people worldwide. It is estimated that approximately 30% of individuals at the age of 35 and approximately 90% of individuals at the age of 60 and above will have some form of disc-affecting pathological changes leading to disc herniation, prolapse and degeneration as well as discogenic pain. Here, we aimed to establish the origins and neurochemical characteristics of porcine intervertebral disc sympathetic innervation involved in pain signalling in IVDD patients...
July 31, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28755050/glutamate-neonatal-excitotoxicity-modifies-vegf-a-vegf-b-vegfr-1-and-vegfr-2-protein-expression-profiles-during-postnatal-development-of-the-cerebral-cortex-and-hippocampus-of-male-rats
#9
Jose Luis Castañeda-Cabral, Carlos Beas-Zarate, Graciela Gudiño-Cabrera, Monica E Ureña-Guerrero
Vascular endothelial growth factor (VEGF) exerts both neuroprotective and proinflammatory effects in the brain, depending on the VEGF (A-E) and VEGF receptor (VEGFR1-3) types involved. Neonatal monosodium glutamate (MSG) treatment triggers an excitotoxic degenerative process associated with several neuropathological conditions, and VEGF messenger RNA (mRNA) expression is increased at postnatal day (PD) 14 in rat hippocampus (Hp) following the treatment. The aim of this work was to establish the changes in immunoreactivity to VEGF-A, VEGF-B, VEGFR-1 and VEGFR-2 proteins induced by neonatal MSG treatment (4 g/kg, subcutaneous, at PD1, 3, 5 and 7) in the cerebral motor cortex (CMC) and Hp...
July 29, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28752417/metformin-alleviated-the-neuronal-oxidative-stress-in-hippocampus-of-rats-under-single-prolonged-stress
#10
Jiangang Wang, Bing Xiao, Fang Han, Yuxiu Shi
In an animal model of post-traumatic stress disorder (PTSD), our previous studies showed mitochondrial stress-induced apoptosis in the hippocampus. Metformin, the most commonly prescribed anti-diabetic drug, exerts its effects through 5'-adenosine monophosphate-activated protein kinase (AMPK) activation. It was shown that a neuroprotective role was gradually established against stroke, spinal cord injury and Parkinson's disease. The aim of this study was to explore the role of the AMPK pathway in neuronal apoptosis in the hippocampus using a rat model of PTSD...
July 27, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28741143/salidroside-ameliorates-diabetic-neuropathic-pain-in-rats-by-inhibiting-neuroinflammation
#11
Gui-Lian Ni, Rong Cui, Ai-Min Shao, Zhong-Min Wu
More than half of diabetic patients suffer from intractable neuropathic pain. As inflammation plays an important role in diabetic neuropathic pain, anti-inflammatory drugs might have therapeutic potentials for neuropathic pain. Salidroside (SAL), a phenylpropanoid glucoside, modulates a variety of cell functions, including inflammation. Here, we explored anti-nociceptive and anti-inflammatory effects of SAL on Zucker diabetic fatty rats with type 2 diabetes (DM rats). DM rats were tested for mechanical and thermal hyperalgesia using von Frey filament and plantar hot box test, respectively...
July 24, 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
#12
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/28601977/neuroglobin-protects-rats-from-sepsis-associated-encephalopathy-via-a-pi3k-akt-bax-dependent-mechanism
#13
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/28741142/proteomic-expression-changes-in-large-cerebral-arteries-after-experimental-subarachnoid-hemorrhage-in-rat-are-regulated-by-the-mek-erk1-2-pathway
#14
Anne H Müller, Alistair V G Edwards, Martin R Larsen, Janne Nielsen, Karin Warfvinge, Gro K Povlsen, Lars Edvinsson
Subarachnoid hemorrhage (SAH) is a serious clinical condition where leakage of blood into the subarachnoid space causes an acute rise in intracranial pressure and reduces cerebral blood flow, which may lead to delayed cerebral ischemia and poor outcome. In experimental SAH, we have previously shown that the outcome can be significantly improved by early inhibition of the MAPK/ERK kinase/extracellular signal-regulated kinase (MEK/ERK1/2) pathway. The aim of this study was to apply mass spectrometry to investigate the overall late effects of experimental SAH on cerebrovascular protein expression...
August 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28730337/memantine-can-reduce-ethanol-induced-caspase-3-activity-and-apoptosis-in-h4-cells-by-decreasing-intracellular-calcium
#15
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...
August 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28730336/serologic-markers-of-autism-spectrum-disorder
#16
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...
August 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
#17
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...
August 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
#18
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...
August 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
#19
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...
August 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28695482/role-of-apolipoproteins-and-%C3%AE-synuclein-in-parkinson-s-disease
#20
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...
August 2017: Journal of Molecular Neuroscience: MN
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