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Neurodegenerative disorder

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https://www.readbyqxmd.com/read/29775722/inflammatory-and-oxidative-mechanisms-potentiate-bifenthrin-induced-neurological-alterations-and-anxiety-like-behavior-in-adult-rats
#1
Brahim Gargouri, Harsharan S Bhatia, Michèle Bouchard, Bernd L Fiebich, Hamadi Fetoui
Bifenthrin (BF) is a synthetic pyrethroid pesticide widely used in several countries to manage insect pests on diverse agricultural crops. Growing evidence indicates that BF exposure is associated with an increased risk of developing neurodegenerative disorders. However, the mechanisms by which BF induces neurological and anxiety alterations in the frontal cortex and striatum are not well known. The present in vivo study was carried out to determine whether reactive oxygen species (ROS)-mediated oxidative stress (OS) and neuroinflammation are involved in such alterations...
May 15, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29775624/characterization-and-comparative-analysis-of-a-new-mouse-microglial-cell-model-for-studying-neuroinflammatory-mechanisms-during-neurotoxic-insults
#2
Souvarish Sarkar, Emir Malovic, Deeksha Sarda, Vivek Lawana, Dharmin Rokad, Huajun Jin, Vellareddy Anantharam, Arthi Kanthasamy, Anumantha G Kanthasamy
Microglia are the first responders of the central nervous system, acting as the key modulators of neuroinflammation observed during neurotoxic insults as well as in the pathophysiology of several neurodegenerative disorders including Alzheimer's (AD), Parkinson's (PD), and Huntington's diseases (HD). The number of publications on microglia has increased steadily throughout the past decade because of immense interests in the neuroinflammation that precedes the neurodegenerative process. To study microglial biology and its role in modulating neuroinflammation, immortalized microglial cell lines derived from mice, rats, and humans have been developed...
May 15, 2018: Neurotoxicology
https://www.readbyqxmd.com/read/29775139/burden-and-strain-among-familial-caregivers-of-patients-with-dementia-in-china
#3
Min Zhang, Yu-Ping Chang, Yu Jin Liu, Ling Gao, Davina Porock
BACKGROUND: Alzheimer's disease is one of a variety of progressive and ultimately fatal neurodegenerative diseases that are characterized by a number of nervous and mental symptoms and behavior disorders. These problems are likely to cause burden and strain on caregivers. In this study, we demonstrated the level and relationship of burden and strain among caregivers of dementia patients in China. METHODS: A total of 212 caregivers of family members with dementia responded to the survey...
May 2018: Issues in Mental Health Nursing
https://www.readbyqxmd.com/read/29773975/cold-shock-induced-protein-rbm3-but-not-mild-hypothermia-protects-human-sh-sy5y-neuroblastoma-cells-from-mpp-induced-neurotoxicity
#4
Hai-Jie Yang, Xiang Shi, Fei Ju, Bei-Ning Hao, Shuang-Ping Ma, Lei Wang, Bin-Feng Cheng, Mian Wang
The cold shock protein RBM3 can mediate mild hypothermia-related protection in neurodegeneration such as Alzheimer's disease. However, it remains unclear whether RBM3 and mild hypothermia provide same protection in model of Parkinson's disease (PD), the second most common neurodegenerative disorder. In this study, human SH-SY5Y neuroblastoma cells subjected to insult by 1-methyl-4-phenylpyridinium (MPP+ ) served as an in-vitro model of PD. Mild hypothermia (32°C) aggravated MPP+ -induced apoptosis, which was boosted when RBM3 was silenced by siRNA...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29773917/neurodegenerative-disorders-rescuing-mitochondrial-motility
#5
Sarah Crunkhorn
No abstract text is available yet for this article.
May 18, 2018: Nature Reviews. Drug Discovery
https://www.readbyqxmd.com/read/29773347/lipophilic-methylene-blue-analogues-enhance-mitochondrial-function-and-increase-frataxin-levels-in-a-cellular-model-of-friedreich-s-ataxia
#6
Omar M Khdour, Indrajit Bandyopadhyay, Sandipan Roy Chowdhury, Nishant P Visavadiya, Sidney M Hecht
Friedreich's ataxia (FRDA) is an autosomal recessive neurodegenerative disorder resulting from reduced expression of the protein frataxin (FXN). Although its function is not fully understood, frataxin appears to help assemble iron sulfur clusters; these are critical for the function of many proteins, including those needed for mitochondrial energy production. Finding ways to increase FXN levels has been a major therapeutic strategy for this disease. Previously, we described a novel series of methylene violet analogues and their structural optimization as potential therapeutic agents for neurodegenerative and mitochondrial disorders...
May 4, 2018: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/29772526/marine-derived-bioactive-compounds-for-treatment-of-alzheimer-s-disease
#7
Sreeja Lakshmi, Parvathi Prakash, Musthafa M Essa, Walid M Qoronfleh, Mohammed Akbar, Byoung-Joon Song, Suresh Kumar, Preetham Elumalai
Alzheimer's disease (AD ) is mounting as social and economic encumbrance which are accompanied by deficits in cognition and memory. Over the past decades, Alzheimer's disease (AD) holds the frontline as one of the biggest healthcare issues in the world. AD is an age related neurodegenerative disorder marked by a decline in memory and an impairment of cognition. Inspite of tedious scientific effort, AD is still devoid of pharmacotherapeutic strategies for treatment as well as prevention. Current treatment strategies using drugs are symbolic in nature as they treat disease manifestation though are found effective in treating cognition...
June 1, 2018: Frontiers in Bioscience (Elite Edition)
https://www.readbyqxmd.com/read/29770957/first-in-rat-study-of-human-alzheimer-s-disease-tau-propagation
#8
Tomas Smolek, Santosh Jadhav, Veronika Brezovakova, Veronika Cubinkova, Bernadeta Valachova, Petr Novak, Norbert Zilka
One of the key features of misfolded tau in human neurodegenerative disorders is its propagation from one brain area into many others. In the last decade, in vivo tau spreading has been replicated in several mouse transgenic models expressing mutated human tau as well as in normal non-transgenic mice. In this study, we demonstrate for the first time that insoluble tau isolated from human AD brain induces full-blown neurofibrillary pathology in a sporadic rat model of tauopathy expressing non-mutated truncated tau protein...
May 16, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29770579/cholinesterase-targeting-by-polyphenols-a-therapeutic-approach-for-the-treatment-of-alzheimer-s-disease
#9
REVIEW
Nasimudeen R Jabir, Fayaz Rahman Khan, Shams Tabrez
Alzheimer's disease (AD) is a progressive irreversible neurodegenerative disorder characterized by excessive deposition of β-amyloid (Aβ) oligomers, and neurofibrillary tangles (NFTs), comprising of hyperphosphorylated tau proteins. The cholinergic system has been suggested as the earliest and most affected molecular mechanism that describes AD pathophysiology. Moreover, cholinesterase inhibitors (ChEIs) are the potential class of drugs that can amplify cholinergic activity to improve cognition and global performance and reduce psychiatric and behavioral disturbances...
May 16, 2018: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/29770363/the-multifaceted-clinical-presentation-of-vcp-proteinopathy-in-a-greek-family
#10
George K Papadimas, George P Paraskevas, Thomas Zambelis, Chrisostomos Karagiaouris, Mara Bourbouli, Anastasia Bougea, Maggie C Walter, Nicolas U Schumacher, Sabine Krause, Elisabeth Kapaki
VCP-proteinopathy is a multisystem neurodegenerative disorder caused by mutations in valosin containing protein. Here, we report the first Greek case of VCP-proteinopathy in a 62 year old patient with a slowly progressing muscular weakness since his mid-40s and a severe deterioration during the last year. He also manifested dementia with prominent neuropsychiatric symptoms, including aggression, apathy, palilalia and obsessions. Brain MRI revealed frontal atrophy, while muscle MRI showed diffuse muscle atrophy...
December 2017: Acta Myologica: Myopathies and Cardiomyopathies: Official Journal of the Mediterranean Society of Myology
https://www.readbyqxmd.com/read/29769744/nadph-ameliorates-mptp-induced-dopaminergic-neurodegeneration-through-inhibiting-p38mapk-activation
#11
Jing-Si Zhou, Zhou Zhu, Feng Wu, Ying Zhou, Rui Sheng, Jun-Chao Wu, Zheng-Hong Qin
Parkinson's disease (PD) is the second most common neurodegenerative disorder characterized by the selective loss of dopaminergic neurons in substantia nigra pars compacta (SNpc). Although the pathogenic mechanism underlying PD remains largely unknown, decreased nigral glutathione (GSH) in postmortem brains of PD patients supports the presence of oxidative stress in PD. We found that Nicotinamide adenine dinucleotide phosphate (NADPH), which is important for maintaining the level of GSH, protected dopaminergic (DA) neurons from neurotoxicity of MPTP/MPP+ ...
May 16, 2018: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29769670/new-approaches-for-brain-repair-from-rescue-to-reprogramming
#12
REVIEW
Roger A Barker, Magdalena Götz, Malin Parmar
The ability to repair or promote regeneration within the adult human brain has been envisioned for decades. Until recently, such efforts mainly involved delivery of growth factors and cell transplants designed to rescue or replace a specific population of neurons, and the results have largely been disappointing. New approaches using stem-cell-derived cell products and direct cell reprogramming have opened up the possibility of reconstructing neural circuits and achieving better repair. In this Review we briefly summarize the history of neural repair and then discuss these new therapeutic approaches, especially with respect to chronic neurodegenerative disorders...
May 2018: Nature
https://www.readbyqxmd.com/read/29768996/a-systematic-review-on-donepezil-based-derivatives-as-potential-cholinesterase-inhibitors-for-alzheimer-s-disease
#13
Jan Korabecny, Katarina Spilovska, Eva Mezeiova, Ondrej Benek, Radomir Juza, Daniel Kaping, Ondrej Soukup
Alzheimer's disease (AD) is a multifactorial progressive neurodegenerative disorder characterized by memory loss, disorientation, and gradual deterioration of intellectual capacity. Its etiology has not been elucidated yet. To date, only one therapeutic approach has been approved for the treatment of AD. The pharmacotherapy of AD has relied on non-competitive N-methyl-D-aspartate (NMDA) receptor antagonist - memantine, and acetylcholinesterase (AChE) inhibitors (AChEIs) - tacrine, donepezil, rivastigmine and galantamine...
May 16, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29767814/inborn-errors-of-coenzyme-a-metabolism-and-neurodegeneration
#14
Ivano Di Meo, Miryam Carecchio, Valeria Tiranti
Two inborn errors of coenzyme A (CoA) metabolism are responsible for distinct forms of neurodegeneration with brain iron accumulation (NBIA), a heterogeneous group of neurodegenerative diseases having as a common denominator iron accumulation mainly in the inner portion of globus pallidus. Pantothenate kinase-associated neurodegeneration (PKAN), an autosomal recessive disorder with progressive impairment of movement, vision and cognition, is the most common form of NBIA and is caused by mutations in the pantothenate kinase 2 gene (PANK2), coding for a mitochondrial enzyme, which phosphorylates vitamin B5 in the first reaction of the CoA biosynthetic pathway...
May 16, 2018: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/29766828/protective-effects-of-crocetin-on-depression-like-behavior-induced-by-immobilization-in-rat
#15
Tahereh Farkhondeh, Saeed Samarghandian, Fariborz Samini, Ali Rajabpour Sanati
Crocetin, an active ingredient of saffron, has been recognized as a potent antioxidant. Plant extracts or their components may be useful in ameliorating the various diseases, including neurodegenerative disorders. This study investigated the effects of crocetin on oxidative damage induced by chronic restraint stress in the rat brain. For this reason, rats were kept in the restrainers for 1 hour every day, for 21 consecutive days. The animals were injected of crocetin (20, 40, 60 mg/kg) or vehicle daily for 21 days...
May 15, 2018: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/29766653/organic-psychosis-the-pathobiology-and-treatment-of-delusions
#16
REVIEW
Eileen Maria Joyce
Organic or secondary psychosis can be seen in diverse conditions such as toxic/metabolic disorders, neurodegenerative disease, and stroke. Poststroke psychosis is a rare phenomenon, but its study has significantly contributed to the understanding of delusion formation. The evidence from case studies of patients with focal strokes shows that delusions develop following unilateral damage of the right hemisphere. The majority of patients with right hemisphere stroke do not develop delusions however, and advanced neuroimaging analysis has elucidated why this symptom develops in only a small proportion...
May 15, 2018: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/29766026/development-of-intrathecal-aav9-gene-therapy-for-giant-axonal-neuropathy
#17
Rachel M Bailey, Diane Armao, Sahana Nagabhushan Kalburgi, Steven J Gray
An NIH-sponsored phase I clinical trial is underway to test a potential treatment for giant axonal neuropathy (GAN) using viral-mediated GAN gene replacement (https://clinicaltrials.gov/ct2/show/NCT02362438). This trial marks the first instance of intrathecal (IT) adeno-associated viral (AAV) gene transfer in humans. GAN is a rare pediatric neurodegenerative disorder caused by autosomal recessive loss-of-function mutations in the GAN gene, which encodes the gigaxonin protein. Gigaxonin is involved in the regulation, turnover, and degradation of intermediate filaments (IFs)...
June 15, 2018: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/29765892/botulinum-toxin-a-injection-in-the-treatment-of-spasticity-in-a-infantile-onset-neurodegeneration-with-brain-iron-accumulation-a-case-report
#18
Hwan Kwon Do, Geun Yeol Jo, Jun Koo Kwon, Woo Jin Kim
Pantothenate kinase-associated neurodegeneration (PKAN) is a neurodegenerative disorder characterized by iron accumulation in the globus pallidus (GP) of the brain (neurodegeneration with brain iron accumulation [NBIA]), which is characterized by dystonia and spasticity resulting in postural difficulties. A 33-month-old boy was admitted with a pronounced gait disturbance. Marked hypertonicity in the patient's both calf muscles was noted, resulting in waddling with repeated slip-falls. NBIA was suspected by high T2 intensity in the GP on brain MRI, then it was confirmed by detecting PANK2 mutation...
April 2018: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/29765503/oleuropein-aglycone-protects-against-mao-a-induced-autophagy-impairment-and-cardiomyocyte-death-through-activation-of-tfeb
#19
Caterina Miceli, Yohan Santin, Nicola Manzella, Raffaele Coppini, Andrea Berti, Massimo Stefani, Angelo Parini, Jeanne Mialet-Perez, Chiara Nediani
Age-associated diseases such as neurodegenerative and cardiovascular disorders are characterized by increased oxidative stress associated with autophagy dysfunction. Oleuropein aglycone (OA), the main polyphenol found in olive oil, was recently characterized as an autophagy inducer and a promising agent against neurodegeneration. It is presently unknown whether OA can have beneficial effects in a model of cardiac stress characterized by autophagy dysfunction. Here, we explored the effects of OA in cardiomyocytes with overexpression of monoamine oxidase-A (MAO-A)...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29765501/peroxisomal-acyl-coa-oxidase-type-1-anti-inflammatory-and-anti-aging-properties-with-a-special-emphasis-on-studies-with-lps-and-argan-oil-as-a-model-transposable-to-aging
#20
REVIEW
Joseph Vamecq, Pierre Andreoletti, Riad El Kebbaj, Fatima-Ezzahra Saih, Norbert Latruffe, M' Hammed Saïd El Kebbaj, Gérard Lizard, Boubker Nasser, Mustapha Cherkaoui-Malki
To clarify appropriateness of current claims for health and wellness virtues of argan oil, studies were conducted in inflammatory states. LPS induces inflammation with reduction of PGC1- α signaling and energy metabolism. Argan oil protected the liver against LPS toxicity and interestingly enough preservation of peroxisomal acyl-CoA oxidase type 1 (ACOX1) activity against depression by LPS. This model of LPS-driven toxicity circumvented by argan oil along with a key anti-inflammatory role attributed to ACOX1 has been here transposed to model aging...
2018: Oxidative Medicine and Cellular Longevity
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