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https://www.readbyqxmd.com/read/29471030/neuroprotective-effects-of-fecal-microbiota-transplantation-on-mptp-induced-parkinson-s-disease-mice-gut-microbiota-glial-reaction-and-tlr4-tnf-%C3%AE-signaling-pathway
#1
Meng-Fei Sun, Ying-Li Zhu, Zhi-Lan Zhou, Xue-Bing Jia, Yi-Da Xu, Qin Yang, Chun Cui, Yan-Qin Shen
Parkinson's disease (PD) patients display alterations in gut microbiota composition. However, mechanism between gut microbial dysbiosis and pathogenesis of PD remains unexplored, and no recognized therapies are available to halt or slow progression of PD. Here we identified that gut microbiota from PD mice induced motor impairment and striatal neurotransmitter decrease on normal mice. Sequencing of 16S rRNA revealed that phylum Firmicutes and order Clostridiales decreased, while phylum Proteobacteria, order Turicibacterales and Enterobacteriales increased in fecal samples of PD mice, along with increased fecal short-chain fatty acids (SCFAs)...
February 19, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29471019/hsp90-co-chaperone-p23-contributes-to-dopaminergic-mitochondrial-stress-via-stabilization-of-phd2-implications-for-parkinson-s-disease
#2
Anand Rane, Subramanian Rajagopalan, Manuj Ahuja, Bobby Thomas, Shankar J Chinta, Julie K Andersen
The heat shock factor 90 (hsp90) complex has long been associated with neuropathological phenotypes linked to Parkinson's disease (PD) and its inhibition is neuroprotective in disease models. Hsp90 is conventionally believed to act by suppressing induction of hsp70. Here, we report a novel hsp70-independent mechanism by which Hsp90 may also contribute to PD-associated neuropathology. We previously reported that inhibition of the enzyme prolyl hydroxylase domain 2 (PHD2) in conjunction with increases in hypoxia-inducible factor 1 alpha (HIF1α) results in protection of vulnerable dopaminergic substantia nigra pars compacta (DAergic SNpc) neurons in in vitro and in vivo models of PD...
February 19, 2018: Neurotoxicology
https://www.readbyqxmd.com/read/29470767/the-effects-of-tramadol-administration-on-hippocampal-cell-apoptosis-learning-and-memory-in-adult-rats-and-neuroprotective-effects-of-crocin
#3
Farideh Baghishani, Abbas Mohammadipour, Hossain Hosseinzadeh, Mahmoud Hosseini, Alireza Ebrahimzadeh-Bideskan
Tramadol, a frequently used pain reliever drug, present neurotoxic effects associated to cognitive dysfunction. Moreover, crocin has been reported to have neuroprotective effects. The aim of this study was to assess crocin's capacity to protect learning, and memory abilities on tramadol-treated rats. A total of 35 rats were divided into five groups: Control, Saline, tramadol (50 mg/kg), tramadol + crocin(30 mg/kg), crocin groups and treated orally for 28 consecutive days. Morris water maze (MWM) and passive avoidance (PA) tests were done, followed by dissection of the rat's brains for toluidine blue and TUNEL staining...
February 22, 2018: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29470395/therapeutic-potential-of-oridonin-and-its-analogs-from-anticancer-and-antiinflammation-to-neuroprotection
#4
REVIEW
Jimin Xu, Eric A Wold, Ye Ding, Qiang Shen, Jia Zhou
Oridonin, a diterpenoid natural product commonly used in East Asian herbal medicine, is garnering increased attention in the biomedical community due to its extensive biological activities that include antitumor, anti-inflammatory, antimicrobial, hepatic fibrosis prevention, and neurological effects. Over the past decade, significant progress has been made in structure activity relationship and mechanism of action studies of oridonin for the treatment of cancer and other diseases. This review provides a brief summary on oridonin and its analogs in cancer drug discovery and antiinflammation and highlights its emerging therapeutic potential in neuroprotection applications...
February 22, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29470274/neonatal-neuroprotection-bringing-best-practice-to-the-bedside-in-the-nicu
#5
(no author information available yet)
No abstract text is available yet for this article.
March 2018: MCN. the American Journal of Maternal Child Nursing
https://www.readbyqxmd.com/read/29468984/vad-an-integrated-framework-for-cognitive-rehabilitation
#6
Dafin F Muresanu, Dana Slavoaca, Antox Alvarez, Volker Homberg, Ovidiu Bajenaru, Alla Guekht, Wolf-Dieter Heiss, Livia Popa, Johannes Vester, Ioana Muresanu, Codruta Birle, Maria Balea
Vascular dementia is the second most common cause of dementia, with clinical features that depend on neural substrates affected by the vascular lesions. Like most neurological disorders, it involves alterations that range from the molecular level to neuronal networks. Such alterations begin as compensatory mechanisms that reshape every subsystem involved in the brain's homeostasis. Although there have been recent huge advances in understanding the pathophysiology of cognitive dysfunction, a suitable therapeutic approach to vascular dementia remains elusive...
February 19, 2018: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/29468792/polyprenols-mitigate-cognitive-dysfunction-and-neuropathology-in-the-app-ps1-mouse
#7
Xu-Xu Zhuang, Xuan Zang, Guang-Yao Zheng, Nan Hua, Yi Sun, Yu-Hui Hu, Ling He
Alzheimer's disease (AD) is a very common neurodegenerative disorder in the elderly and brings considerable financial and social problems worldwide. In this study, polyprenols were firstly evaluated the effects on the cognitive deficits and neuropathology in APP/PS1 mice model of AD. At 3 months old, the APP/PS1 mice were divided into model group; polyprenols low, middle, and high dosage group; and positive drug group. Age-matched wild-type mice were chosen in control group. The administration by oral gavage lasted 6 months...
February 22, 2018: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29468740/neuroprotective-effects-of-20-s-protopanaxatriol-ppt-on-scopolamine-induced-cognitive-deficits-in-mice
#8
Cong Lu, Jingwei Lv, Liming Dong, Ning Jiang, Yan Wang, Qiong Wang, Yinghui Li, Shanguang Chen, Bei Fan, Fengzhong Wang, Xinmin Liu
20(S)-protopanaxatriol (PPT), one of the ginsenosides from Panax ginseng, has been reported to have neuroprotective effects and to improve memory. The present study was designed to investigate the protective effect of PPT on scopolamine-induced cognitive deficits in mice. Male Institute of Cancer Research mice were pretreated with 2 different doses of PPT (20 and 40 μmol/kg) for 27 days by intraperitoneal injection, and scopolamine (0.75 mg/kg) was injected intraperitoneally for 9 days to induce memory impairment...
February 22, 2018: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29468577/allergy-preventive-effects-of-linarinic-acid-and-its-tetrahydropyrrolo-2-1-b-quinazoline-derivatives-isolated-from-linaria-vulgaris
#9
Chao Ma, Naoko Higashi, Kyoko Ishiguro, Ying Zhao, Linkui Zhang, Chenwen Zhao, Maosheng Cheng, Hisae Oku
Linarinic acid, (-)-1,2,3,9-tetrahydropyrrolo[2,1-b]quinazoline-1-carboxylic acid (4a), was isolated from the ethanol extract of Linaria vulgaris Mill. In our previous study, a series of tetrahydropyrrolo[2,1-b]quinazoline derivatives 4b, 4c, 5a, 5b, 6a and 6b that were structurally related to 4a and evaluated as neuroprotective agents were synthesized. The aim of the present study was to investigate the novel features of these compounds. We examined their allergy-preventive effects using an in vivo assay system we developed previously, that monitors a decrease in blood flow in the tail vein of mice subjected to sensitization with hen egg-white lysozyme...
February 21, 2018: Journal of Natural Medicines
https://www.readbyqxmd.com/read/29468499/resveratrol-improves-neuroimmune-dysregulation-through-the-inhibition-of-neuronal-toll-like-receptors-and-cox-2-signaling-in-btbr-t-itpr3-tf-j-mice
#10
Sheikh F Ahmad, Mushtaq A Ansari, Ahmed Nadeem, Mohammad Z Alzahrani, Saleh A Bakheet, Sabry M Attia
Autism is a neurodevelopmental disorder characterized by deficits in qualitative impairments in communication, repetitive and social interaction, restricted, and stereotyped patterns of behavior. Resveratrol has been extensively studied pharmacologically and biologically and has anti-inflammatory, antioxidant, and neuroprotective effects on neuronal damage in neurodegenerative disorders. The BTBR T+ Itpr3tf /J (BTBR) autistic mouse model has been explored for treatment of autism, which shows low reciprocal social interactions, impaired juvenile play, and decreased social approach...
February 21, 2018: Neuromolecular Medicine
https://www.readbyqxmd.com/read/29467621/immunosignals-of-oligodendrocyte-markers-and-myelin-associated-proteins-are-critically-affected-after-experimental-stroke-in-wild-type-and-alzheimer-modeling-mice-of-different-ages
#11
Dominik Michalski, Anna L Keck, Jens Grosche, Henrik Martens, Wolfgang Härtig
Because stroke therapies are still limited and patients are often concerned by long-term sequelae with significant impairment of daily living, elaborated neuroprotective strategies are needed. During the last decades, research substantially improved the knowledge on cellular pathologies responsible for stroke-related tissue damage. In this context, the neurovascular unit (NVU) concept has been established, summarizing the affections of neurons, associated astrocytes and the vasculature. Although oligodendrocytes were already identified to play a major role in other brain pathologies, their role during stroke evolution and long-lasting tissue damage is poorly understood...
2018: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29467613/exercise-mediated-neurogenesis-in-the-hippocampus-via-bdnf
#12
REVIEW
Patrick Z Liu, Robin Nusslock
Exercise is known to have numerous neuroprotective and cognitive benefits, especially pertaining to memory and learning related processes. One potential link connecting them is exercise-mediated hippocampal neurogenesis, in which new neurons are generated and incorporated into hippocampal circuits. The present review synthesizes the extant literature detailing the relationship between exercise and hippocampal neurogenesis, and identifies a key molecule mediating this process, brain-derived neurotrophic factor (BDNF)...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29467361/resveratrol-attenuates-cognitive-deficits-of-traumatic-brain-injury-by-activating-p38-signaling-in-the-brain
#13
Zhenhua Shi, Wusi Qiu, Guomin Xiao, Jun Cheng, Ning Zhang
BACKGROUND Traumatic brain injury (TBI) is characterized by cognitive deficits, which was associated with brain oxidative stress and apoptosis. Resveratrol (RSV) is an anti-apoptotic and anti-oxidative. This study aimed to investigate neuroprotective effects and involved molecular mechanisms in TBI. MATERIAL AND METHODS RSV and p38 inhibitor were administrated to TBI rats. Cognitive deficits were evaluated by Morris water maze assay. Reactive oxygen species (ROS) and apoptosis were detected in rat brains by fluorescent staining...
February 22, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29467334/a-specific-phosphorylation-regulates-the-protective-role-of-%C3%AE-a-crystallin-in-diabetes
#14
Anne Ruebsam, Jennifer E Dulle, Angela M Myers, Dhananjay Sakrikar, Katelyn M Green, Naheed W Khan, Kevin Schey, Patrice E Fort
Neurodegeneration is a central aspect of the early stages of diabetic retinopathy, the primary ocular complication associated with diabetes. While progress has been made to improve the vascular perturbations associated with diabetic retinopathy, there are still no treatment options to counteract the neuroretinal degeneration associated with diabetes. Our previous work suggested that the molecular chaperones α-crystallins could be involved in the pathophysiology of diabetic retinopathy; however, the role and regulation of α-crystallins remained unknown...
February 22, 2018: JCI Insight
https://www.readbyqxmd.com/read/29467308/comparing-the-antiseizure-and-neuroprotective-efficacy-of-ly293558-diazepam-caramiphen-and-ly293558-caramiphen-combination-against-soman-in-a-rat-model-relevant-to-the-pediatric-population
#15
James P Apland, Vassiliki Aroniadou-Anderjaska, Taiza H Figueiredo, Volodymyr I Pidoplichko, Katia Rossetti, Maria F M Braga
The currently FDA-approved anticonvulsant for the treatment of status epilepticus (SE) induced by nerve agents is the benzodiazepine diazepam. However, diazepam does not appear to offer neuroprotective benefits. This is particularly concerning with respect to the protection of children, because in the developing brain, synaptic transmission mediated via GABAA receptors, the target of diazepam, is still weak. In the present study, we exposed 21-day-old male rats to 1.2xLD50 soman, and compared the antiseizure, anti-lethality, and neuroprotective efficacy of diazepam (10 mg/kg), LY293558 (an AMPA/GluK1 receptor antagonist; 15 mg/kg), caramiphen (an antimuscarinic with NMDA receptor-antagonistic properties; 50 mg/kg), and LY293558 (15 mg/kg)+caramiphen (50 mg/kg), administered 1 h post-exposure...
February 21, 2018: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29467028/diurnal-variation-of-nmda-receptor-expression-in-the-rat-cerebral-cortex-is-associated-with-traumatic-brain-injury-damage
#16
Francisco Estrada-Rojo, Julio Morales-Gomez, Elvia Coballase-Urrutia, Marina Martinez-Vargas, Luz Navarro
OBJECTIVE: Data from our laboratory suggest that recovery from a traumatic brain injury depends on the time of day at which it occurred. In this study, we examined whether traumatic brain injury -induced damage is related to circadian variation in N-methyl-D-aspartate receptor expression in rat cortex. RESULTS: We confirmed that traumatic brain injury recovery depended on the time of day at which the damage occurred. We also found that motor cortex N-methyl-D-aspartate receptor subunit NR1 expression exhibited diurnal variation in both control and traumatic brain injury-subjected rats...
February 21, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29467001/neuregulin-1-elicits-a-regulatory-immune-response-following-traumatic-spinal-cord-injury
#17
Arsalan Alizadeh, Kallivalappil T Santhosh, Hardeep Kataria, Abdelilah S Gounni, Soheila Karimi-Abdolrezaee
BACKGROUND: Spinal cord injury (SCI) triggers a robust neuroinflammatory response that governs secondary injury mechanisms with both degenerative and pro-regenerative effects. Identifying new immunomodulatory therapies to promote the supportive aspect of immune response is critically needed for the treatment of SCI. We previously demonstrated that SCI results in acute and permanent depletion of the neuronally derived Neuregulin-1 (Nrg-1) in the spinal cord. Increasing the dysregulated level of Nrg-1 through acute intrathecal Nrg-1 treatment enhanced endogenous cell replacement and promoted white matter preservation and functional recovery in rat SCI...
February 21, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29467000/ginsenoside-re-protects-methamphetamine-induced-dopaminergic-neurotoxicity-in-mice-via-upregulation-of-dynorphin-mediated-%C3%AE%C2%BA-opioid-receptor-and-downregulation-of-substance-p-mediated-neurokinin-1-receptor
#18
Duy-Khanh Dang, Eun-Joo Shin, Dae-Joong Kim, Hai-Quyen Tran, Ji Hoon Jeong, Choon-Gon Jang, Seung-Yeol Nah, Jung Hwan Jeong, Jae Kyung Byun, Sung Kwon Ko, Guoying Bing, Jau-Shyong Hong, Hyoung-Chun Kim
BACKGROUND: We previously reported that ginsenoside Re (GRe) attenuated against methamphetamine (MA)-induced neurotoxicity via anti-inflammatory and antioxidant potentials. We also demonstrated that dynorphin possesses anti-inflammatory and antioxidant potentials against dopaminergic loss, and that balance between dynorphin and substance P is important for dopaminergic neuroprotection. Thus, we examined whether GRe positively affects interactive modulation between dynorphin and substance P against MA neurotoxicity in mice...
February 21, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29466898/the-antiepileptic-and-neuroprotective-effect-of-the-buxus-hyrcana-pojark-hydroethanolic-extract-against-the-pentylentetrazol-induced-model-of-the-seizures-in-the-male-rats
#19
Vahid Azizi, Farzin Allahyari, Abdolkarim Hosseini
AIMS: The genus Buxus grows up widespread in Europe and Western Asia. It is an important traditional plant has been used in the treatment of many illnesses. In the present study, the effect of hydroethanolic extract of Buxus hyrcana Pojark (BHP) on the animal model of seizure was studied. MATERIALS AND METHODS: In this experimental study, forty-two male Wistar rats weighing 220-250 g were randomly selected and were divided into experimental and control groups (6 rats per group)...
February 22, 2018: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29466890/selective-drug-delivery-approaches-to-lesioned-brain-through-blood-brain-barrier-disruption
#20
Zahraa S Al-Ahmady
A big challenge in the development of therapeutics for central nervous system (CNS) disorders, is achieving sufficient translocation through blood-brain interface named the blood-brain barrier (BBB). Until recently BBB has been considered a substantial hindrance for the penetration of blood-borne molecules including drugs to the CNS. However, recent research findings have proven that the nature of BBB is much more complex and dynamic and is altered in several neurological conditions. This complexity encourages revisiting drug delivery strategies to the CNS as this can give a wide range of opportunities for CNS drug development...
February 21, 2018: Expert Opinion on Drug Delivery
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