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Amyotropic lateral sclerosis

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https://www.readbyqxmd.com/read/27867042/poly-adp-ribose-polymerase-1-hyperactivation-in-neurodegenerative-diseases-the-death-knell-tolls-for-neurons
#1
REVIEW
Parimala Narne, Vimal Pandey, Praveen Kumar Simhadri, Prakash Babu Phanithi
Neurodegeneration is a salient feature of chronic refractory brain disorders like Alzheimer's, Parkinson's, Huntington's, amyotropic lateral sclerosis and acute conditions like cerebral ischemia/reperfusion etc. The pathological protein aggregates, mitochondrial mutations or ischemic insults typifying these disease conditions collude with and intensify existing oxidative stress and attendant mitochondrial dysfunction. Interlocking these mechanisms is poly(ADP-ribose) polymerase (PARP-1) hyperactivation that invokes a distinct form of neuronal cell death viz...
November 17, 2016: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/27731563/myasthenia-gravis-with-amyotropic-lateral-sclerosis-a-rare-co-existence
#2
Smrati Bajpai, Nikhil Bhasin, Kavita Joshi, Milind Y Nadkar, A R Pazare
The co-occurrence of myasthenia gravis with motor neurone disease is not a very common association and may pose problem and confusion in the minds of the treating physician because of the gamut of neurological symptoms. This case intends to highlight these dilemmas.
March 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27476503/dynamic-expression-of-the-mouse-orthologue-of-the-human-amyotropic-lateral-sclerosis-associated-gene-c9orf72-during-central-nervous-system-development-and-neuronal-differentiation
#3
Ross Ferguson, Eleni Serafeimidou-Pouliou, Vasanta Subramanian
The hexanucleotide repeat in the first intron of the C9orf72 gene is the most significant cause of amyotropic lateral sclerosis as well as some forms of fronto-temporal dementia. The C9orf72 protein has been previously reported to be expressed in post-mortem human brain as well as in late embryonic and some postnatal stages in mice. Herein, we present a detailed study of the distribution of C9orf72 protein in the embryonic, postnatal and adult mouse brain, spinal cord as well as during the differentiation of P19 embryonal carcinoma cells to neurons including motor neurons...
December 2016: Journal of Anatomy
https://www.readbyqxmd.com/read/25724235/in-vitro-studies-in-vcp-associated-multisystem-proteinopathy-suggest-altered-mitochondrial-bioenergetics
#4
Angèle Nalbandian, Katrina J Llewellyn, Arianna Gomez, Naomi Walker, Hailing Su, Andrew Dunnigan, Marilyn Chwa, Jouni Vesa, M C Kenney, Virginia E Kimonis
Mitochondrial dysfunction has recently been implicated as an underlying factor to several common neurodegenerative diseases, including Parkinson's disease, Alzheimer's and amyotrophic lateral sclerosis (ALS). Valosin containing protein (VCP)-associated multisystem proteinopathy is a new hereditary disorder associated with inclusion body myopathy, Paget disease of bone (PDB), frontotemporal dementia (FTD) and ALS. VCP has been implicated in several transduction pathways including autophagy, apoptosis and the PINK1/Parkin cascade of mitophagy...
May 2015: Mitochondrion
https://www.readbyqxmd.com/read/24040821/therapeutic-effects-of-progesterone-in-animal-models-of-neurological-disorders
#5
REVIEW
Alejandro F De Nicola, Florencia Coronel, Laura I Garay, Gisella Gargiulo-Monachelli, Maria Claudia Gonzalez Deniselle, Susana L Gonzalez, Florencia Labombarda, Maria Meyer, Rachida Guennoun, Michael Schumacher
Substantial evidence supports that progesterone exerts many functions in the central and peripheral nervous system unrelated to its classical role in reproduction. In this review we first discussed progesterone effects following binding to the classical intracellular progesterone receptors A and B and several forms of membrane progesterone receptors, the modulation of intracellular signalling cascades and the interaction of progesterone reduced metabolites with neurotransmitter receptors. We next described our results involving animal models of human neuropathologies to elucidate the protective roles of progesterone...
December 2013: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/23983606/glutamate-signaling-in-benign-and-malignant-disorders-current-status-future-perspectives-and-therapeutic-implications
#6
REVIEW
Stacey S Willard, Shahriar Koochekpour
Glutamate, a nonessential amino acid, is the major excitatory neurotransmitter in the central nervous system. As such, glutamate has been shown to play a role in not only neural processes, such as learning and memory, but also in bioenergetics, biosynthetic and metabolic oncogenic pathways. Glutamate has been the target of intense investigation for its involvement not only in the pathogenesis of benign neurodegenerative diseases (NDDs) such as Parkinson's disease, Alzheimer's disease, schizophrenia, multiple sclerosis, and amyotropic lateral sclerosis (ALS), but also in carcinogenesis and progression of malignant diseases...
2013: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/23834335/fused-in-sarcoma-is-a-novel-regulator-of-manganese-superoxide-dismutase-gene-transcription
#7
Sanjit Kumar Dhar, Jiayu Zhang, Jozsef Gal, Yong Xu, Lu Miao, Bert C Lynn, Haining Zhu, Edward J Kasarskis, Daret K St Clair
AIMS: FUsed in sarcoma (FUS) is a multifunctional DNA/RNA-binding protein that possesses diverse roles, such as RNA splicing, RNA transport, DNA repair, translation, and transcription. The network of enzymes and processes regulated by FUS is far from being fully described. In this study, we have focused on the mechanisms of FUS-regulated manganese superoxide dismutase (MnSOD) gene transcription. RESULTS: Here we demonstrate that FUS is a component of the transcription complex that regulates the expression of MnSOD...
April 1, 2014: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/23500882/effects-of-hominis-placenta-on-lps-induced-cell-toxicity-in-bv2-microglial-cells
#8
Kang-Woo Lee, Hye Min Ji, Dong Woung Kim, Sun-Mi Choi, Sungchul Kim, Eun Jin Yang
ETHNOPHARMACOLOGICAL RELEVANCE: Hominis placenta (HP) dried placenta extracted from pregnant women after delivery has been widely used to treat chronic inflammatory diseases. HP has been reported to be effective to alleviate the arthritic symptoms by modulating the expression of inflammatory factors in adjuvant-induced arthritis rats. However, the mechanism of action of HP is unknown. Neuroinflammation has been implicated in the pathogenesis of several neurodegenerative disease, including Alzheimer's disease (AD), Parkinson's disease (PD) and amyotropic lateral sclerosis (ALS)...
May 20, 2013: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/23377551/therapeutic-induction-of-autophagy-to-modulate-neurodegenerative-disease-progression
#9
REVIEW
Warren E Hochfeld, Shirley Lee, David C Rubinsztein
There is accumulating evidence that aggregating, misfolded proteins may have an impact on autophagic function, suggesting that this could be a secondary pathological mechanism in many diseases. In this review, we focus on the role of autophagy in four major neurodegenerative diseases: Alzheimer disease (AD), Huntington's disease (HD), Parkinson's disease (PD) and amyotropic lateral sclerosis.
May 2013: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/21545774/concomitant-cns-pathology-in-a-patient-with-amyotropic-lateral-sclerosis-following-poliomyelitis-in-childhood
#10
M Casula, K Steentjes, E Aronica, B M van Geel, D Troost
Post-polio syndrome (PPS) develops in approximately 30% of polio survivors several decades after the acute attack of paralytic poliomyelitis. Some of these patients develop post-poliomyelitis muscular atrophy (PPMA) which is characterized by a slowly progressive muscle weakness. Due to its clinicopathological features, investigators have often studied PPS and PPMA in association with amyotrophic lateral sclerosis (ALS), the underlying hypothesis being an increased risk of developing ALS from a prior acute paralytic poliomyelitis...
May 2011: Clinical Neuropathology
https://www.readbyqxmd.com/read/21434813/a-morphometric-study-of-the-vagus-nerve-in-amyotropic-lateral-sclerosis-with-circulatory-collapse
#11
COMPARATIVE STUDY
Toshio Shimizu, Michiyuki Hayashi, Akihiro Kawata, Toshio Mizutani, Kazuhiko Watabe, Shiro Matsubara
Amyotrophic lateral sclerosis (ALS) shows peculiar abnormalities of the autonomic nervous system, including sympathetic hyperactivity, which might result in sudden death. In general, the sympathetic hyperactivity could be caused by disruption of vagal inhibition. Our objective was to evaluate the vagus nerve morphometrically in autopsy cases of ALS with sympathetic hyperactivity and circulatory collapse (CC). We investigated 10 autopsied ALS patients, six of whom had exhibited autonomic storms or CC. We also examined 10 patients without ALS as controls, and one patient with Guillain-Barré syndrome (GBS) who died from CC, for comparison...
September 2011: Amyotrophic Lateral Sclerosis
https://www.readbyqxmd.com/read/21140288/trpm2-cation-channels-oxidative-stress-and-neurological-diseases-where-are-we-now
#12
REVIEW
Mustafa Nazıroğlu
The Na+ and Ca(2+)-permeable melastatin related transient receptor potential 2 (TRPM2) channels can be gated either by ADP-ribose (ADPR) in concert with Ca(2+) or by hydrogen peroxide (H(2)O(2)), an experimental model for oxidative stress, binding to the channel's enzymatic Nudix domain. Since the mechanisms that lead to TRPM2 gating in response to ADPR and H(2)O(2) are not understood in neuronal cells, I summarized previous findings and important recent advances in the understanding of Ca(2+) influx via TRPM2 channels in different neuronal cell types and disease processes...
March 2011: Neurochemical Research
https://www.readbyqxmd.com/read/20971133/motor-neuron-trophic-factors-therapeutic-use-in-als
#13
REVIEW
Thomas W Gould, Ronald W Oppenheim
The modest effects of neurotrophic factor (NTF) treatment on lifespan in both animal models and clinical studies of Amyotropic Lateral Sclerosis (ALS) may result from any one or combination of the four following explanations: 1.) NTFs block cell death in some physiological contexts but not in ALS; 2.) NTFs do not rescue motoneurons (MNs) from death in any physiological context; 3.) NTFs block cell death in ALS but to no avail; and 4.) NTFs are physiologically effective but limited by pharmacokinetic constraints...
June 24, 2011: Brain Research Reviews
https://www.readbyqxmd.com/read/20632970/cannabinoid-receptors-and-endocannabinoids-role-in-neuroinflammatory-and-neurodegenerative-disorders
#14
REVIEW
Tiziana Bisogno, Vincenzo Di Marzo
The G-protein coupled receptors for Δ⁹-tetrahydrocannabinol, the major psychoactive principle of marijuana, are known as cannabinoid receptors of type 1 (CB₁) and 2 (CB₂) and play important functions in degenerative and inflammatory disorders of the central nervous system. Whilst CB₁ receptors are mostly expressed in neurons, where they regulate neurotransmitter release and synaptic strength, CB₂ receptors are found mostly in glial cells and microglia, which become activated and over-express these receptors during disorders such as Alzheimer's disease, multiple sclerosis, amyotropic lateral sclerosis, Parkinson's disease, and Huntington's chorea...
November 2010: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/20205673/protein-conformational-pathology-in-alzheimer-s-and-other-neurodegenerative-diseases-new-targets-for-therapy
#15
REVIEW
E Zerovnik
The whole set of so-called >conformational< disorders, among them systemic amyloidoses, various dementias and other neurodegenerative diseases such as Parkinson's, Alzheimer's and amyotropic lateral sclerosis, may have similar molecular backgrounds: changes in protein conformation and aggregation lead to toxic amyloid oligomers and fibrils. The so called aggresomes in eukaryotes (equivalent to inclusion bodies in prokaryotes), located at the centriole by the nucleus and composed of aggregated proteins, are believed to sequester the toxic material...
February 2010: Current Alzheimer Research
https://www.readbyqxmd.com/read/19467572/minocycline-may-attenuate-postherpetic-neuralgia
#16
Qiang Zhang, Liping Peng, Deren Zhang
Postherpetic neuralgia (PHN) is a chronic pain syndrome and one of the most common complications of herpes zoster. Although the pathophysiological mechanisms involved in PHN are still largely unknown, it seems reasonable to assume that there are lesions of the peripheral afferent pain pathways and inflammation-induced damage to afferent ganglia in the spinal cord. Growing body of evidence indicates that the glial cells, particularly microglia (CNS macrophages) and astrocytes are activated following peripheral and central noxious insult and their activation is thought to play an important role in central sensitization...
November 2009: Medical Hypotheses
https://www.readbyqxmd.com/read/19455415/targeting-cdk5-activity-in-neuronal-degeneration-and-regeneration
#17
Jyotshnabala Kanungo, Ya-li Zheng, Niranjana D Amin, Harish C Pant
The major priming event in neurodegeneration is loss of neurons. Loss of neurons by apoptotic mechanisms is a theme for studies focused on determining therapeutic strategies. Neurons following an insult, activate a number of signal transduction pathways, of which, kinases are the leading members. Cyclin-dependent kinase 5 (Cdk5) is one of the kinases that have been linked to neurodegeneration. Cdk5 along with its principal activator p35 is involved in multiple cellular functions ranging from neuronal differentiation and migration to synaptic transmission...
December 2009: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/19436494/sod1-associated-als-a-promising-system-for-elucidating-the-origin-of-protein-misfolding-disease
#18
Anna Nordlund, Mikael Oliveberg
Amyotropic lateral sclerosis (ALS) is a neurodegenerative disease linked to misfolding and aggregation of the homodimeric enzyme superoxide dismutase (SOD1). In contrast to the precursors of other neurodegenerative diseases, SOD1 is a soluble and simple-to-study protein with immunoglobulin-like structure. Also, there are more than 120 ALS-provoking SOD1 mutations at the disposal for detailed elucidation of the disease-triggering factors at molecular level. In this article, we review recent progress in the characterization of the folding and assembly pathway of the SOD1 dimer and how this is affected by ALS-provoking mutations...
December 2008: HFSP Journal
https://www.readbyqxmd.com/read/19152750/a-decade-of-progress-since-the-birth-of-dolly
#19
REVIEW
Ian Wilmut, Gareth Sullivan, Jane Taylor
The greatest effect of the birth Dolly, the first cloned animal derived from an adult, has been in prompting biologists to consider ways of reprogramming adult nuclei to a pluripotent state directly. The first procedure depends upon use of viral vectors to introduce selected transcription factors, but this procedure is slow and very inefficient. Research in our laboratory has demonstrated that exposure of differentiated nuclei to an extract of embryo stem cells induces expression of key pluripotency genes within 8 h, suggesting that it may be possible to identify and use other factors to enhance direct reprogramming...
2009: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/18977395/minocycline-and-neurodegenerative-diseases
#20
REVIEW
Hye-Sun Kim, Yoo-Hun Suh
Minocycline is a semi-synthetic, second-generation tetracycline analog which is effectively crossing the blood-brain barrier, effective against gram-positive and -negative infections. In addition to its own antimicrobacterial properties, minocycline has been reported to exert neuroprotective effects over various experimental models such as cerebral ischemia, traumatic brain injury, amyotrophic lateral sclerosis, Parkinson's disease, kainic acid treatment, Huntington' disease and multiple sclerosis. Minocycline has been focused as a neuroprotective agent over neurodegenerative disease since it has been first reported that minocycline has neuroprotective effects in animal models of ischemic injury [Yrjanheikki J, Keinanen R, Pellikka M, Hokfelt T, Koisinaho J...
January 23, 2009: Behavioural Brain Research
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