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https://www.readbyqxmd.com/read/29340649/optic-nerve-regeneration-after-crush-remodels-the-injury-site-molecular-insights-from-imaging-mass-spectrometry
#1
David T Stark, David M G Anderson, Jacky M K Kwong, Nathan Heath Patterson, Kevin L Schey, Richard M Caprioli, Joseph Caprioli
Purpose: Mammalian central nervous system axons fail to regenerate after injury. Contributing factors include limited intrinsic growth capacity and an inhibitory glial environment. Inflammation-induced optic nerve regeneration (IIR) is thought to boost retinal ganglion cell (RGC) intrinsic growth capacity through progrowth gene expression, but effects on the inhibitory glial environment of the optic nerve are unexplored. To investigate progrowth molecular changes associated with reactive gliosis during IIR, we developed an imaging mass spectrometry (IMS)-based approach that identifies discriminant molecular signals in and around optic nerve crush (ONC) sites...
January 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29339316/diagnosis-and-management-of-neuromyelitis-optica-spectrum-disorders-an-update
#2
REVIEW
Alice Bruscolini, Marta Sacchetti, Maurizio La Cava, Magda Gharbiya, Massimo Ralli, Alessandro Lambiase, Armando de Virgilio, Antonio Greco
Neuromyelitis optica (NMO) and Neuromyelitis optica spectrum disorders (NMOSD) are a group of autoimmune conditions characterized by inflammatory involvement of the optic nerve, spinal cord and central nervous system. Novel evidence showed a key role of autoantibodies against aquaporin-4 immunoglobulin G (AQP4 IgG) in the pathogenesis of NMOSD and, recently, new classification and diagnostic criteria have been adopted to facilitate an earlier identification and improve the management of these conditions. Diagnosis of NMOSD is currently based on clinical, neuroimaging and laboratory features...
January 12, 2018: Autoimmunity Reviews
https://www.readbyqxmd.com/read/29336129/somatic-tinnitus
#3
REVIEW
Massimo Ralli, Antonio Greco, Fabrizio Cialente, Arianna Di Stadio, Lucia Longo, Andrea Ciofalo, Rosaria Turchetta, Giancarlo Cianfrone, Marco de Vincentiis
Modulation of tinnitus characteristics such as pitch and loudness has been extensively described following movements of the head, neck and limbs, vertical or horizontal eye gaze, pressure on myofascial trigger points, cutaneous stimulation of the hands, electrical stimulation of the median nerve, and transcranial direct current stimulation. Modulation of tinnitus follows complex interactions between auditory and somatosensory afferents and can be favored by underlying somatic disorders. When tinnitus appears to be preceded or strictly linked to a somatic disorder, and therefore related to problems of the musculoskeletal system rather than of the ear, it is defined somatic tinnitus...
December 1, 2017: International Tinnitus Journal
https://www.readbyqxmd.com/read/29333019/modulated-radiotherapy-with-concurrent-and-adjuvant-temozolomide-for-anaplastic-gliomas-indian-single-center-data
#4
Tejinder Kataria, Trinanjan Basu, Deepak Gupta, Shikha Goyal, Shahida Nasreen, Shyam S Bisht, Ashu Abhishek, Susovan Banerjee, Kushal Narang, Ajaya N Jha, Ishani Mohapatra, Jayesh A Modi
Objective: To evaluate early clinical outcome for anaplastic gliomas (AG) treated in the era of modulated radiotherapy (RT) and concurrent plus adjuvant temozolomide (TMZ) in an Indian setting. Materials and Methods: Fifty-three patients with AGs treated with modulated RT and concurrent (95%) and adjuvant TMZ (90%) were analyzed. About 80% of patients had Karnofsky performance status (KPS) at least 90 with 30% seizure at presentation. Postoperative magnetic resonance imaging was available in 65% cases and RT dose was 60 Gy in 30 fractions...
October 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29331040/jun-gal-cd74-and-c1qb-as-potential-indicator-for-neuropathic-pain
#5
Ji-An Yang, Jun-Min He, Jing-Min Lu, Li-Juan Ji
Neuropathic pain is a kind of pain caused by primary or secondary impairment or dysfunction of peripheral or central nervous system. Patients with neuropathic pain were often with poor clinical outcome. We screened the differentially expressed genes between sciatic nerve injury and dorsal root ganglion gene in the sham operation model. Microarray and the spared nerve injury module were used to explore the molecular mechanism of neuropathic pain by injuries and the differentially expressed genes (DEGs) were identified out...
January 13, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29330870/cell-therapy-for-spinal-cord-injury-with-olfactory-ensheathing-glia-cells-oecs
#6
REVIEW
Rosa M Gómez, Magdy Y Sánchez, Maria Portela-Lomba, Kemel Ghotme, George E Barreto, Javier Sierra, M Teresa Moreno-Flores
The prospects of achieving regeneration in the central nervous system (CNS) have changed, as most recent findings indicate that several species, including humans, can produce neurons in adulthood. Studies targeting this property may be considered as potential therapeutic strategies to respond to injury or the effects of demyelinating diseases in the CNS. While CNS trauma may interrupt the axonal tracts that connect neurons with their targets, some neurons remain alive, as seen in optic nerve and spinal cord (SC) injuries (SCIs)...
January 13, 2018: Glia
https://www.readbyqxmd.com/read/29323028/surgical-reconstruction-of-spinal-cord-circuit-provides-functional-return-in-humans
#7
REVIEW
Thomas Carlstedt, Nicholas James, Mårten Risling
This mini review describes the current surgical strategy for restoring function after traumatic spinal nerve root avulsion in brachial or lumbosacral plexus injury in man. As this lesion is a spinal cord or central nervous injury functional return depends on spinal cord nerve cell growth within the central nervous system. Basic science, clinical research and human application has demonstrated good and useful motor function after ventral root avulsion followed by spinal cord reimplantation. Recently, sensory return could be demonstrated following spinal cord surgery bypassing the injured primary sensory neuron...
December 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29321516/clinical-and-mutational-spectrum-of-japanese-patients-with-recessive-variants-in-sh3tc2
#8
Jun-Hui Yuan, Akihiro Hashiguchi, Yuji Okamoto, Akiko Yoshimura, Masahiro Ando, Kazutaka Shiomi, Kayoko Saito, Makoto Takahashi, Keiko Ichinose, Takuma Ohmichi, Kazushi Ichikawa, Adachi Tadashi, Hiroshi Takigawa, Hidehiro Shibayama, Hiroshi Takashima
SH3TC2, known as the causative gene of autosomal recessive demyelinating Charcot-Marie-Tooth type 4C (CMT4C), was also found linked to a mild mononeuropathy of the median nerve with an autosomal dominant inheritance pattern. Using DNA microarray, Illumina MiSeq, and Ion proton, we carried out gene panel sequencing among 1483 Japanese CMT patients, containing 397 patients with demyelinating CMT. From seven patients with demyelinating CMT, we identified eight recessive variants in the SH3TC2 gene, consisting of five novel (pathogenic/likely pathogenic) and three reported variants...
January 10, 2018: Journal of Human Genetics
https://www.readbyqxmd.com/read/29321467/importance-of-regular-and-maintenance-therapy-adherence-in-neuromyelitis-optica-nmo-lessons-from-a-repeating-relapse-case
#9
Jing Miao, Doreen E Aboagye, Boris Chulpayev, Lin Liu, Gary Ishkanian, Bangaruraju Kolanuvada, Dariush Alaie, Richard L Petrillo
BACKGROUND Neuromyelitis optica (NMO) is a rare demyelinating disease of the central nervous system; NMO predominantly affects the spinal cord and optic nerves. The diagnosis is based on history, clinical presentation, seropositive NMO-IgG antibody, and notably, exclusion of other diseases. Despite the absence of definitive therapeutic strategies for NMO, methylprednisolone pulse therapy and plasma exchange are used for acute phase treatment, while immunosuppressive agent(s) are recommended to prevent relapses and improve prognosis...
January 11, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29318865/-advances-in-acupuncture-mechanism-research-on-the-changes-of-synaptic-plasticity-pain-memory-for-chronic-pain
#10
Yi-Ling Yang, Jian-Peng Huang, Li Jiang, Jian-Hua Liu
Previous studies have shown that there are many common structures between the neural network of pain and memory, and the main structure in the pain network is also part of the memory network. Chronic pain is characterized by recurrent attacks and is associated with persistent ectopic impulse, which causes changes in synaptic structure and function based on nerve activity. These changes may induce long-term potentiation of synaptic transmission, and ultimately lead to changes in the central nervous system to produce "pain memory"...
December 25, 2017: Zhen Ci Yan Jiu, Acupuncture Research
https://www.readbyqxmd.com/read/29317289/baroreflex-stimulation-attenuates-central-but-not-peripheral-inflammation-in-conscious-endotoxemic-rats
#11
Fernanda Brognara, Jaci A Castania, Daniel P M Dias, Alexandre H Lopes, Rubens Fazan, Alexandre Kanashiro, Luis Ulloa, Helio C Salgado
We previously reported that activation of the baroreflex, a critical physiological mechanism controlling cardiovascular homeostasis, through electrical stimulation of the aortic depressor nerve attenuates joint inflammation in experimental arthritis. However, it is unknown whether baroreflex activation can control systemic inflammation. Here, we investigate whether baroreflex activation controls systemic inflammation in conscious endotoxemic rats. Animals underwent sham or electrical aortic depressor nerve stimulation initiated 10 min prior to a lipopolysaccharide (LPS) challenge, while inflammatory cytokine levels were measured in the blood, spleen, heart and hypothalamus 90 min after LPS treatment...
January 6, 2018: Brain Research
https://www.readbyqxmd.com/read/29317060/fibromyalgia-and-unexplained-widespread-pain-the-idiopathic-cerebrospinal-pressure-dysregulation-hypothesis
#12
M Hulens, W Dankaerts, I Stalmans, A Somers, G Vansant, R Rasschaert, F Bruyninckx
Fibromyalgia (FM) is a debilitating, widespread pain disorder that is assumed to originate from inappropriate pain processing in the central nervous system. Psychological and behavioral factors are both believed to underlie the pathogenesis and complicate the treatment. This hypothesis, however, has not yet been sufficiently supported by scientific evidence and accumulating evidence supports a peripheral neurological origin of the symptoms. We postulate that FM and several unexplained widespread pain syndromes are caused by chronic postural idiopathic cerebrospinal hypertension...
January 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29315804/white-matter-tauopathy-transient-functional-loss-and-novel-myelin-remodeling
#13
Joshua Jackson, Gabby Bianco, Angelo O Rosa, Katrina Cowan, Peter Bond, Oleg Anichtchik, Robert Fern
Early white matter (WM) changes are common in dementia and may contribute to functional decline. We here examine this phenomenon in an induced dementia model for the first time. We report a novel and selective form of myelin injury as the first manifestation of tauopathy in the adult central nervous system. Myelin pathology rapidly followed the induction of a P301 tau mutation associated with fronto-temporal dementia in humans (rTG4510 line). Damage involved focal disruption of the ad-axonal myelin lamella and internal oligodendrocyte tongue process, followed by myelin remodeling with features of re-myelination that included myelin thinning and internodal shortening...
January 8, 2018: Glia
https://www.readbyqxmd.com/read/29315701/histological-and-quantitative-analyzes-of-the-stromal-and-acinar-components-of-normal-human-prostate-zones
#14
Edilaine F Alves, Bruno Leonardo M de Freitas Ribeiro, Waldemar S Costa, Carla B M Gallo, Francisco J B Sampaio
BACKGROUND: McNeal divided the human prostate into three major anatomical areas: the peripheral zone (PZ), the central zone (CZ), and the transition zone (TZ). Each of these areas is biologically and histologically distinct. The PZ and TZ have clinical significance and are associated with prostate cancer (PC) and benign prostatic hyperplasia (BPH), respectively. Therefore, the objective of the present study was to quantitatively and qualitatively analyze the parenchymal and stromal components that constitute the different prostate zones...
January 8, 2018: Prostate
https://www.readbyqxmd.com/read/29314212/lumbar-to-sacral-root-rerouting-to-restore-bladder-function-in-a-feline-spinal-cord-injury-model-urodynamic-and-retrograde-nerve-tracing-results-from-a-pilot-study
#15
Ornella Lam Van Ba, Mary F Barbe, Romain Caremel, Shachar Aharony, Oleg Loutochin, Line Jacques, Matthew W Wood, Ekta Tiwari, Gerald F Tuite, Lysanne Campeau, Jacques Corcos, Michael R Ruggieri
AIMS: Lumbar to sacral rerouting surgery can potentially allow voiding via a skin-central nervous system-bladder reflex pathway. Here, we assessed if this surgery was effective in treating neurogenic bladder dysfunction/sphincter in felines. METHODS: Eight cats underwent spinal cord transection (SCT) at thoracic level 10/11. Unilateral L7 to S1 ventral root anastomosis was performed 1 month later in six cats. Two cats served as transection-only controls. Electrical and manual stimulation of L6-S1 dermatomes, and urodynamics were performed at 3, 5, 7, and 9/10 months post transection...
January 4, 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29306937/the-effects-of-stress-and-meditation-on-the-immune-system-human-microbiota-and-epigenetics
#16
Ayman Mukerji Househam, Christine Tara Peterson, Deepak Chopra
Context • Globally, more than 25% of individuals are affected by anxiety and depression disorders. Meditation is gaining popularity in clinical settings and its treatment efficacy is being studied for a wide array of psychological and physiological ailments. An exploration of stress physiology is an essential precursor to delineation of the mechanisms underlying the beneficial effects of meditation practices. Objective • The review outlines a model of interconnected physiological processes that might support the continued inclusion and expansion of meditation in the treatment of diverse medical conditions and to investigate the role that gut microbiota may play in realizing well-being through meditation...
October 2017: Advances in Mind-body Medicine
https://www.readbyqxmd.com/read/29305920/nicotinic-acetylcholine-receptor-nachr-mediated-dopamine-release-in-larval-drosophila-melanogaster
#17
Poojan Pyakurel, Mimi Shin, B Jill Venton
Acetylcholine is an excitatory neurotransmitter in the central nervous system of insects and the nicotinic acetylcholine receptor (nAChR) is a target for neonicotinoid insecticides. Functional insect nAChRs are difficult to express in host cells, and hence difficult to study. In mammals, acetylcholine and nicotine evoke dopamine release, but the extent to which this mechanism is conserved in insects is unknown. In intact larval ventral nerve cords (VNCs), we studied dopamine evoked by acetylcholine, nicotine, or neonicotinoids...
January 3, 2018: Neurochemistry International
https://www.readbyqxmd.com/read/29305037/transauricular-vagus-nerve-stimulation-at-auricular-acupoints-kindey-co10-yidan-co11-liver-co12-and-shenmen-tf4-can-induce-auditory-and-limbic-cortices-activation-measured-by-fmri
#18
Liyan Peng, Ketao Mu, Aiguo Liu, Liangqiang Zhou, Yueyue Gao, Imrit Tejvansh Shenoy, Zhigang Mei, Qingguo Chen
The purpose of this study was to explore the central mechanism of transauricular vagus nerve stimulation (taVNS) to human by fMRI and to find a suitable taVNS site for potential tinnitus treatment. 24 healthy subjects aged between 28 and 38 years were enrolled in the experiment. 8 subjects were stimulated in the auricular acupoints Kindey (CO10), Yidan (CO11), Liver (CO12) and Shenmen (TF4) in the left ear, 8 subjects were stimulated at the anterior wall of the auditory canal and left lower limb as an anterior stimulation group; 8 persons who were arranged in a sham group received taVNS at the left ear lobe and tail of the helix...
December 24, 2017: Hearing Research
https://www.readbyqxmd.com/read/29304756/medical-treatment-of-an%C3%A2-unusual-cerebral-hydatid-disease
#19
Shu Chen, Ning Li, Feifei Yang, Jiqin Wu, Yuekai Hu, Shenglei Yu, Qi Chen, Xuan Wang, Xinyu Wang, Yuanyuan Liu, Jianming Zheng
BACKGROUND: Hydatid disease is a worldwide zoonosis produced by the larval stage of cestodes of the Echinococcus genus. Hydatid disease primarily involves the liver and lungs. The brain is involved in less than 2% of cases. Surgery has long been the only choice for the treatment, but chemotherapy has been successfully replaced surgery in some special cases. CASE PRESENTATION: We report a rare hydatid disease case which presented with multiple lesions in right frontal lobe, an uncommon site, and in the liver and lungs...
January 5, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29299214/intervention-of-the-gamma-aminobutyric-acid-type-b-receptors-of-the-amygdala-central-nucleus-on-the-sensitivity-of-the-morphine-induced-conditionally-preferred-location-in-wistar-female-rats
#20
Firoozeh Alavian, Saeedeh Ghiasvand, Hedayat Sahraei, Maryam Rafiei-Rad
Background: The amygdala is one of the nerve centers involved in drug reward. It is suggested that the central nucleus of the amygdala (CeA) is involved in morphine dependency. The CeA gamma-aminobutyric acid-ergic (GABAergic) system is a mediator of morphine rewarding effects. In this research, the effects of stimulation or inhibition of CeA GABA type B (GABAB) receptors on sensitization acquisition to morphine-induced reward was evaluated in Wistar female rats using conditioned place preferential (CPP) method...
April 2017: Addiction & Health
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