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Neuroprotection in multiple sclerosis

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https://www.readbyqxmd.com/read/28621170/therapeutic-efficacy-of-multipotent-adult-progenitor-cells-versus-mesenchymal-stem-cells-in-experimental-autoimmune-encephalomyelitis
#1
Saurabh Pratap Singh, Sachin Hanumantrao Jadhav, Chandra Prakash Chaturvedi, Soniya Nityanand
AIM: In this study, we have evaluated the therapeutic efficacy of mouse multipotent adult progenitor cells (mMAPCs) in experimental autoimmune encephalomyelitis (EAE), an animal model of multiple sclerosis, and compared it with mouse mesenchymal stem cells (mMSCs). MATERIALS & METHODS: We administered PKH26-labeled mMAPC and mMSC into EAE mice and evaluated their therapeutic efficacy. RESULTS: The mMAPC-treated mice in comparison with the mMSC group exhibited a higher suppression of EAE (p < 0...
June 16, 2017: Regenerative Medicine
https://www.readbyqxmd.com/read/28619434/terminalia-chebula-attenuates-quinolinate-induced-oxidative-pc12-and-oln-93-cell-death
#2
Hamid R Sadeghnia, Roya Jamshidi, Amir R Afshari, Hamid Mollazadeh, Fatemeh Forouzanfar, Hasan Rakhshandeh
BACKGROUND: Quinolinic acid (QA) is a product of tryptophan degradation and its pathologic accumulation has been found to induce neuroinflammatory and demyelinating diseases such as multiple sclerosis via excessive free radicals generation. Recent studies showed that Terminalia chebula has several pharmacological effects such as antioxidant, anti-inflammatory and neuroprotective properties. The aim of this study was evaluation of the protective effect of T. chebula alcoholic extract (TCAE) on oxidative PC12 and OLN-93 cells death induced by QA...
May 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28608697/perspectives-of-cannabinoid-type-2-receptor-cb2r-ligands-in-neurodegenerative-disorders-structure-affinity-relationship-safir-and-structure-activity-relationship-sar-studies
#3
Francesco Spinelli, Elena Capparelli, Carmen Abate, Nicola A Colabufo, Marialessandra Contino
Up-regulation of CB2R on activated microglial cells, the first step in neurodegeneration, has been widely demonstrated, and this finding makes the receptor a promising target in the early diagnosis and treatment of several neurodegenerative disorders such as Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD), and multiple sclerosis (MS). The development of CB2R PET ligands could help demonstrate the neurodegenerative pathogenesis, thus providing useful tools for characterizing the role of neuroinflammation in the progression of these disorders...
June 13, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28601278/laquinimod-has-no-effects-on-brain-volume-or-cellular-cns-composition-in-the-f1-3xtg-ad-c3h-mouse-model-of-alzheimer-s-disease
#4
Rehana Z Hussain, William A Miller-Little, Doris Lambracht-Washington, Tom C Jaramillo, Masaya Takahashi, Shanrong Zhang, Min Fu, Gary R Cutter, Liat Hayardeny, Craig M Powell, Roger N Rosenberg, Olaf Stüve
BACKGROUND: Laquinimod is an anti-inflammatory agent with good central nervous system (CNS) bioavailability, and neuroprotective and myelorestorative properties. A clinical trial in patients with multiple sclerosis demonstrated that laquinimod significantly reduced loss of brain volume. The cellular substrate or molecular events underlying that treatment effect are unknown. In this study, we aimed to explore laquinimod's potential effects on brain volume, animal behavior, cellular numbers and composition of CNS-intrinsic cells and mononuclear cells within the CNS, amyloid beta (Aβ) accumulation and tau phosphorylation in the F1 3xTg-AD/C3H mouse model of Alzheimer's disease...
August 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28580582/modulating-inflammation-and-neuroprotection-in-multiple-sclerosis
#5
REVIEW
Heather Yong, Gabrielle Chartier, Jacqueline Quandt
Multiple sclerosis (MS) is a neurological disorder of the central nervous system with a presentation and disease course that is largely unpredictable. MS can cause loss of balance, impaired vision or speech, weakness and paralysis, fatigue, depression, and cognitive impairment. Immunomodulation is a major target given the appearance of focal demyelinating lesions in myelin-rich white matter, yet progression and an increasing appreciation for gray matter involvement, even during the earliest phases of the disease, highlights the need to afford neuroprotection and limit neurodegenerative processes that correlate with disability...
June 5, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28578514/the-beneficial-effects-of-hmg-coa-reductase-inhibitors-in-the-processes-of-neurodegeneration
#6
REVIEW
Seyed Soheil Saeedi Saravi, Seyed Sobhan Saeedi Saravi, Alireza Arefidoust, Ahmad Reza Dehpour
Statins, cholesterol lowering drugs, have been demonstrated to exert beneficial effects in other conditions such as primary and progressing neurodegenerative diseases beyond their original role. Observation that statins ameliorate the neurodegenerative diseases such as Parkinson's disease (PD), Alzheimer's disease (AD), multiple sclerosis (MS) and cerebral ischemic stroke, the neuroprotective effects of these drugs are thought to be linked to their anti-inflammatory, anti-oxidative, and anti-excitotoxic properties...
June 3, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28557239/the-neuroprotective-effect-of-mesenchymal-stem-cells-on-an-experimentally-induced-model-for-multiple-sclerosis-in-mice
#7
Marwa M Mahfouz, Rania M Abdelsalam, Marwa A Masoud, Hanaa A Mansour, Omar A Ahmed-Farid, Sanaa A Kenawy
Multiple sclerosis (MS) is a chronic autoimmune demyelinating neurodegenerative central nervous system disorder. The aim of the present study was to investigate the prophylactic effect exerted by the one-time intraperitoneal injection of mesenchymal stem cells (MSCs) 1 × 10(6) and 14-day intraperitoneal injection of methylprednisolone (MP) 40 mg/kg in an experimental autoimmune encephalomyelitis (EAE). EAE was induced by intradermal injection of rat spinal cord homogenate with complete Freund's adjuvant in Swiss mice...
May 29, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28550802/mechanism-of-action-of-three-newly-registered-drugs-for-multiple-sclerosis-treatment
#8
REVIEW
Kaja Kasarełło, Agnieszka Cudnoch-Jędrzejewska, Andrzej Członkowski, Dagmara Mirowska-Guzel
Multiple sclerosis (MS) is a disease of suspected autoimmune origin leading to neurodegeneration. The disease pathomechanism is considered to be primarily based on neuroinflammation directed against myelin antigens caused by autoreactive T cells. MS etiology remains still unknown, which makes it difficult to create an efficient therapy, therefore, MS treatment targets mechanisms involved in disease pathology. In this review, we present the mechanism of action of three newly registered drugs for MS. Dimethyl fumarate (DMF) is an agent presenting a broad spectrum of action...
February 22, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28497982/neuroprotection-in-oxidative-stress-related-neurodegenerative-diseases-role-of-endocannabinoid-system-modulation
#9
Janos Paloczi, Zoltan V Varga, George Hasko, Pal Pacher
SIGNIFICANCE: Redox imbalance may lead to overproduction of reactive oxygen and nitrogen species (ROS/RNS) and subsequent oxidative tissue damage which is a critical event in the course of neurodegenerative diseases. It is still not fully elucidated, however, whether oxidative stress is the primary trigger or a consequence in process of neurodegeneration. Recent Advances: Increasing evidence suggests that oxidative stress is involved in the propagation of neuronal injury and consequent inflammatory response, which in concert promote development of pathological alterations characteristic of most common neurodegenerative diseases...
May 12, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28497312/phenytoin-neuroprotection-or-neurotoxicity
#10
REVIEW
Jan M Keppel Hesselink, David J Kopsky
Phenytoin is an 80-year young molecule and new indications are still emerging. The neuroprotective potential of phenytoin has been evaluated for decades. Recently, a positive phase II trial supported its further development in the treatment of optic neuritis in multiple sclerosis. In 1942, however, peripheral neuritis was first reported to be an adverse event of phenytoin, and since then a small but steady stream of publications discussed peripheral polyneuropathy as being a possible adverse event of phenytoin...
June 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28473732/anti-inflammatory-and-neuroprotective-role-of-natural-product-securinine-in-activated-glial-cells-implications-for-parkinson-s-disease
#11
Dmitri Leonoudakis, Anand Rane, Suzanne Angeli, Gordon J Lithgow, Julie K Andersen, Shankar J Chinta
Glial activation and subsequent release of neurotoxic proinflammatory factors are believed to play an important role in the pathogenesis of several neurological disorders including Parkinson's disease (PD). Inhibition of glial activation and inflammatory processes may represent a therapeutic target to alleviate neurodegeneration. Securinine, a major natural alkaloid product from the root of the plant Securinega suffruticosa, has been reported to have potent biological activity and is used in the treatment of neurological conditions such as amyotrophic lateral sclerosis, poliomyelitis, and multiple sclerosis...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28466274/neural-stem-cell-based-regenerative-approaches-for-the-treatment-of-multiple-sclerosis
#12
REVIEW
Juan Xiao, Rongbing Yang, Sangita Biswas, Yunhua Zhu, Xin Qin, Min Zhang, Lihong Zhai, Yi Luo, Xiaoming He, Chun Mao, Wenbin Deng
Multiple sclerosis (MS) is a chronic, autoimmune, inflammatory, and demyelinating disorder of the central nervous system (CNS), which ultimately leads to axonal loss and permanent neurological disability. Current treatments for MS are largely comprised of medications that are either immunomodulatory or immunosuppressive and are aimed at reducing the frequency and intensity of relapses. Neural stem cells (NSCs) in the adult brain can differentiate into oligodendrocytes in a context-specific manner and are shown to be involved in the remyelination in these patients...
May 2, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28464811/effect-of-catalpol-on-remyelination-through-experimental-autoimmune-encephalomyelitis-acting-to-promote-olig1-and-olig2-expressions-in-mice
#13
Tao Yang, Qi Zheng, Su Wang, Ling Fang, Lei Liu, Hui Zhao, Lei Wang, Yongping Fan
BACKGROUND: Multiple sclerosis (MS) as an autoimmune disorder is a common disease occurring in central nervous system (CNS) and the remyelination plays a pivotal role in the alleviating neurological impairment in the MS. Catalpol, an effective component extracted from the Chinese herb Radix Rehmanniae, which has been proved protective in cerebral diseases. METHODS: To determine the protective effects and mechanisms of Catalpol on MS, the mice with experimental autoimmune encephalomyelitis (EAE) were induced by myelin oligodendrocyte glycoprotein (MOG) 35-55, as a model for human MS...
May 2, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28456941/activation-of-glucagon-like-peptide-1-receptor-promotes-neuroprotection-in-experimental-autoimmune-encephalomyelitis-by-reducing-neuroinflammatory-responses
#14
Chi-Ho Lee, Se Jin Jeon, Kyu Suk Cho, Eunjung Moon, Arjun Sapkota, Hee Sook Jun, Jong Hoon Ryu, Ji Woong Choi
The signaling axis of glucagon-like peptide-1 (GLP-1)/GLP-1 receptor (GLP-1R) has been an important component in overcoming diabetes, and recent reports have uncovered novel beneficial roles of this signaling axis in central nervous system (CNS) disorders, such as Alzheimer's disease, Parkinson's disease, and cerebral ischemia, accelerating processes for exendin-4 repositioning. Here, we studied whether multiple sclerosis (MS) could be a complement to the CNS disorders that are associated with the GLP-1/GLP-1R signaling axis...
April 29, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28456633/optineurin-in-amyotrophic-lateral-sclerosis-multifunctional-adaptor-protein-at-the-crossroads-of-different-neuroprotective-mechanisms
#15
REVIEW
Andrea Markovinovic, Raffaello Cimbro, Tereza Ljutic, Jasna Kriz, Boris Rogelj, Ivana Munitic
When optineurin mutations showed up on the amyotrophic lateral sclerosis (ALS) landscape in 2010, they differed from most other ALS-causing genes. They seemed to act by loss- rather than gain-of-function, and it was unclear how a polyubiquitin-binding adaptor protein, which was proposed to regulate a variety of cellular functions including cell signaling and vesicle trafficking, could mediate neuroprotection. This review discusses the considerable progress that has been made since then. A large number of mutations in optineurin and optineurin-interacting proteins TANK-binding kinase (TBK1) and p62/SQSTM-1 have been found in the ALS patients, suggesting a common neuroprotective pathway...
July 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28447514/neuroprotective-effects-of-ellagic-acid-on-cuprizone-induced-acute-demyelination-through-limitation-of-microgliosis-adjustment-of-cxcl12-il-17-il-11-axis-and-restriction-of-mature-oligodendrocytes-apoptosis
#16
Nima Sanadgol, Fereshteh Golab, Zakiyeh Tashakkor, Nooshin Taki, Samira Moradi Kouchi, Ali Mostafaie, Mehdi Mehdizadeh, Mohammad Abdollahi, Ghorban Taghizadeh, Mohammad Sharifzadeh
CONTEXT: Ellagic acid (EA) is a natural phenol antioxidant with various therapeutic activities. However, the efficacy of EA has not been examined in neuropathologic conditions. OBJECTIVE: In vivo neuroprotective effects of EA on cuprizone (cup)-induced demyelination were evaluated. MATERIAL AND METHODS: C57BL/6 J mice were fed with chow containing 0.2% cup for 4 weeks to induce oligodendrocytes (OLGs) depletion predominantly in the corpus callosum (CC)...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28423529/pif-promotes-brain-re-myelination-locally-while-regulating-systemic-inflammation-clinically-relevant-multiple-sclerosis-m-smegmatis-model
#17
Giuseppe Migliara, Martin Mueller, Alessia Piermattei, Chaya Brodie, Michael J Paidas, Eytan R Barnea, Francesco Ria
Neurologic disease diagnosis and treatment is challenging. Multiple Sclerosis (MS) is a demyelinating autoimmune disease with few clinical forms and uncertain etiology. Current studies suggest that it is likely caused by infection(s) triggering a systemic immune response resulting in antigen/non-antigen-related autoimmune response in central nervous system (CNS). New therapeutic approaches are needed. Secreted by viable embryos, PreImplantation Factor (PIF) possesses a local and systemic immunity regulatory role...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422748/therapeutic-inhibition-of-soluble-brain-tnf-promotes-remyelination-by-increasing-myelin-phagocytosis-by-microglia
#18
Maria Karamita, Christopher Barnum, Wiebke Möbius, Malú G Tansey, David E Szymkowski, Hans Lassmann, Lesley Probert
Multiple sclerosis (MS) is an inflammatory CNS demyelinating disease in which remyelination largely fails. Transmembrane TNF (tmTNF) and TNF receptor 2 are important for remyelination in experimental MS models, but it is unknown whether soluble TNF (solTNF), a major proinflammatory factor, is involved in regeneration processes. Here, we investigated the specific contribution of solTNF to demyelination and remyelination in the cuprizone model. Treatment with XPro1595, a selective inhibitor of solTNF that crosses the intact blood-brain barrier (BBB), in cuprizone-fed mice did not prevent toxin-induced oligodendrocyte loss and demyelination, but it permitted profound early remyelination due to improved phagocytosis of myelin debris by CNS macrophages and prevented disease-associated decline in motor performance...
April 20, 2017: JCI Insight
https://www.readbyqxmd.com/read/28412918/neurological-aspects-of-medical-use-of-cannabidiol
#19
Carmen Mannucci, Michele Navarra, Fabrizio Calapai, Elvira Ventura Spagnolo, Francesco Paolo Busardò, Roberto Da Cas, Francesca Menniti Ippolito, Gioacchino Calapai
BACKGROUND: Cannabidiol (CBD) is among the major secondary metabolites of Cannabis devoid of the delta-9-tetra-hydrocannabinol psychoactive effects. It is a resorcinol-based compound with a broad spectrum of potential therapeutic properties, including neuroprotective effects in numerous pathological conditions. CBD neuroprotection is due to its antioxidant and antiinflammatory activi-ties and the modulation of a large number of brain biological targets (receptors, channels) involved in the development and maintenance of neurodegenerative diseases...
April 13, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28397112/cell-therapy-for-multiple-sclerosis
#20
REVIEW
Pamela Sarkar, Claire M Rice, Neil J Scolding
Cell therapy is considered a promising potential treatment for multiple sclerosis, perhaps particularly for the progressive form of the disease for which there are currently no useful treatments. Over the past two decades or more, much progress has been made in understanding the biology of MS and in the experimental development of cell therapy for this disease. Three quite distinct forms of cell therapy are currently being pursued. The first seeks to use stem cells to replace damaged myelin-forming oligodendrocytes within the CNS; the second aims, in effect, to replace the individual's misfunctioning immune system, making use of haematopoietic stem cells; and the third seeks to utilise endogenous stem cell populations by mobilisation with or without in vitro expansion, exploiting their various reparative and neuroprotective properties...
April 10, 2017: CNS Drugs
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