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https://www.readbyqxmd.com/read/28093780/subacute-demyelinating-polyradiculoneuropathy-complicating-epstein-barr-virus-infection-in-gata2-haploinsufficiency
#1
Mohamed Kazamel, Christopher J Klein, Eduardo E Benarroch, Mrinal M Patnaik, Jennifer A Tracy
INTRODUCTION: Autosomal dominant haploinsufficiency of GATA2 causes monocytopenia and natural killer cell lymphopenia, resulting in predisposition to mycobacterial, fungal, and viral infections. METHODS: We report clinical, serologic, electrophysiologic, and pathologic evaluation of a 29-year-old woman with GATA2 haploinsufficiency and active Epstein-Barr virus (EBV) infection complicated by subacute painful neuropathy. RESULTS: Nerve conduction and electromyography studies showed predominantly demyelinating sensorimotor polyradiculoneuropathy...
January 17, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28092909/immune-mediated-neuropathies-following-autologous-stem-cell-transplantation-for-multiple-myeloma-case-series-and-review-of-the-literature
#2
Ghulam Rehman Mohyuddin, Jacqueline Uy, Honhar Medhavi, Muhammad Salman Faisal, Muzaffar H Qazilbash
Neuropathy is a common finding in patients with multiple myeloma. Several different factors can cause neuropathy in these patients, such as the underlying disease itself, medications used for treatment, or immune-mediated processes. Immune-mediated neuropathies (IMN) consist of a heterogeneous spectrum of peripheral nerve disorders. Although IMN is associated with several hematological disorders, it remains a very rare complication of hematopoietic stem cell transplantation (HCT). We describe our experiences of 3 patients with multiple myeloma who experienced IMN following autologous HCT (auto-HCT)...
January 17, 2017: Acta Haematologica
https://www.readbyqxmd.com/read/28091773/the-nervous-system-of-airways-and-its-remodeling-in-inflammatory-lung-diseases
#3
REVIEW
Katrin Julia Audrit, Lucas Delventhal, Öznur Aydin, Christina Nassenstein
Inflammatory lung diseases are associated with bronchospasm, cough, dyspnea and airway hyperreactivity. The majority of these symptoms cannot be primarily explained by immune cell infiltration. Evidence has been provided that vagal efferent and afferent neurons play a pivotal role in this regard. Their functions can be altered by inflammatory mediators that induce long-lasting changes in vagal nerve activity and gene expression in both peripheral and central neurons, providing new targets for treatment of pulmonary inflammatory diseases...
January 14, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28087330/molecular-characterization-and-functional-analysis-of-a-salmon-louse-lepeophtheirus-salmonis-kr%C3%A3-yer-1838-heme-peroxidase-with-a-potential-role-in-extracellular-matrixes
#4
Aina-Cathrine Øvergård, Christiane Eichner, Frank Nilsen, Sussie Dalvin
Heme peroxidases are the most abundant type of peroxidase catalyzing a H2O2-dependent oxidation of a wide variety of substrates. They are involved in numerous processes like the innate immune response, hormone and prostaglandin synthesis and crosslinking of proteins within extracellular matrixes (ECM) as well as molecules within the cuticle and chorion of arthropods and nematodes. In the present study, a Lepeophtheirus salmonis heme peroxidase (LsHPX) 1 was characterized. Amino acids in the active site of heme peroxidases were conserved, and the predicted protein sequence showed the highest similarity to genes annotated as chorion peroxidases and genes suggested to be involved in cuticle hardening or adhesion...
January 10, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28066953/diabetic-and-idiopathic-gastroparesis-is-associated-with-loss-of-cd206-positive-macrophages-in-the-gastric-antrum
#5
M Grover, C E Bernard, P J Pasricha, H P Parkman, S J Gibbons, J Tonascia, K L Koch, R W McCallum, I Sarosiek, W L Hasler, L A B Nguyen, T L Abell, W J Snape, M L Kendrick, T A Kellogg, T J McKenzie, F A Hamilton, G Farrugia
BACKGROUND: Animal studies have increasingly highlighted the role of macrophages in the development of delayed gastric emptying. However, their role in the pathophysiology of human gastroparesis is unclear. Our aim was to determine changes in macrophages and other cell types in the gastric antrum muscularis propria of patients with diabetic and idiopathic gastroparesis. METHODS: Full thickness gastric antrum biopsies were obtained from patients enrolled in the Gastroparesis Clinical Research Consortium (11 diabetic, 6 idiopathic) and 5 controls...
January 9, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28063707/a-novel-vaccinological-evaluation-of-intranasal-vaccine-and-adjuvant-safety-for-preclinical-tests
#6
Eita Sasaki, Madoka Kuramitsu, Haruka Momose, Kouji Kobiyama, Taiki Aoshi, Hiroshi Yamada, Ken J Ishii, Takuo Mizukami, Isao Hamaguchi
Vaccines are administered to healthy humans, including infants, so the safety and efficacy must be very high. Therefore, evaluating vaccine safety in preclinical and clinical studies, according to World Health Organization guidelines, is crucial for vaccine development and clinical use. A change in the route of administration is considered to alter a vaccine's immunogenicity. Several adjuvants have also been developed and approved for use in vaccines. However, the addition of adjuvants to vaccines may cause unwanted immune responses, including facial nerve paralysis and narcolepsy...
January 4, 2017: Vaccine
https://www.readbyqxmd.com/read/28061417/concurrent-hyphema-and-orbital-apex-syndrome-following-herpes-zoster-ophthalmicus-in-a-middle-aged-lady
#7
Khairuddin Othman, Li Min Evelyn-Tai, Mohd Noor Raja-Azmi, Muhammed Julieana, Ahmad Tajudin Liza-Sharmini, John Tharakan, Alwi Muhd Besari, Embong Zunaina, Ismail Shatriah
INTRODUCTION: Hyphema and orbital apex syndrome occurring concurrently in a patient with herpes zoster ophthalmicus have not been reported previously. We present a case with these unique findings and discuss the pathogenesis of these conditions and their management. PRESENTATION OF CASE: A 59-year-old Malay lady with underlying diabetes mellitus presented with manifestations of zoster ophthalmicus in the left eye. Two weeks later, she developed total hyphema, and complete ophthalmoplegia suggestive of orbital apex syndrome...
December 21, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28046147/bill-e-kunkle-interdisciplinary-beef-symposium-assessing-the-mineral-supplementation-needs-in-pasture-based-beef-operations-in-the-southeastern-united-states
#8
L W Greene
Macro- and microminerals are required for all physiological processes in beef cattle. When mineral deficiencies occur in pasture-based production systems, a multitude of deficiency symptoms may occur, and most often, these deficiencies result in hidden losses to include reduced production potential, reduced immunity, and reproductive failure. More severe deficiencies will result in specific deficiency symptoms, depending on the specific mineral deficiency. In pasture-based beef operations, specific deficiency symptoms are seldom observed...
December 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/28039938/targeted-p2x7-r-shrna-delivery-attenuates-sympathetic-nerve-sprouting-and-ameliorates-cardiac-dysfunction-in-rats-with-myocardial-infarction
#9
Hongmei Gao, Jie Yin, Yugen Shi, Hesheng Hu, Xiaolu Li, Mei Xue, Wenjuan Cheng, Ye Wang, Xinran Li, Yongkang Li, Yu Wang, Suhua Yan
BACKGROUND: Inflammation-dominated sympathetic sprouting adjacent to the necrotic region following myocardial infarction (MI) has been implicated in the etiology of arrhythmias resulting in sudden cardiac death; however, the mechanisms responsible remain to be elucidated. Although P2X7 R is a key immune mediator, its role has yet to be explored. OBJECTIVE: We investigated whether P2X7 R regulates NF-κB and affects cardiac sympathetic reinnervation in rats undergoing MI...
December 31, 2016: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28035535/the-role-of-the-gastrointestinal-microbiota-in-visceral-pain
#10
Kieran Rea, Siobhain M O'Mahony, Timothy G Dinan, John F Cryan
A growing body of preclinical and clinical evidence supports a relationship between the complexity and diversity of the microorganisms that inhabit our gut (human gastrointestinal microbiota) and health status. Under normal homeostatic conditions this microbial population helps maintain intestinal peristalsis, mucosal integrity, pH balance, immune priming and protection against invading pathogens. Furthermore, these microbes can influence centrally regulated emotional behaviour through mechanisms including microbially derived bioactive molecules (amino acid metabolites, short-chain fatty acids, neuropeptides and neurotransmitters), mucosal immune and enteroendocrine cell activation, as well as vagal nerve stimulation...
December 30, 2016: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/28035531/neuroimmune-modulation-of-gut-function
#11
Terez Shea-Donohue, Joseph F Urban
Neuroimmune communications are facilitated by the production of neurotransmitters by immune cells and the generation of immune mediators by immune cells, which form a functional entity called the "neuroimmune synapse." There are several mechanisms that further facilitate neuroimmune interactions including the anatomic proximity between immune cells and nerves, the expression of receptors for neurotransmitters on immune cells and for immune mediators on nerves, and the receptor-mediated activation of intracellular signaling pathways that modulate nerve and immune phenotype and function...
December 30, 2016: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/28033741/gene-expression-profile-changes-in-rat-dorsal-horn-after-sciatic-nerve-injury
#12
Jing Wang, Song-He Ma, Rong Tao, Ling-Jie Xia, Lin Liu, Ying-Hai Jiang
OBJECTIVE: This study aims to investigate gene expression changes in rat dorsal horns after sciatic nerve injury (SNI). METHODS: The GSE18803 microarray data collected from young and adult rats were downloaded from GEO. After preprocessing, differentially expressed genes (DEGs) between SNI and sham-operated groups were selected using Limma package, in young and adult group, respectively, followed by Venn analysis. Then, enrichment analyses were performed for these DEGs using DAVID...
February 2017: Neurological Research
https://www.readbyqxmd.com/read/28028829/localization-of-nucleic-acid-sensing-toll-like-receptors-in-human-and-mouse-pancreas
#13
Olli Helminen, Heikki Huhta, Joonas H Kauppila, Petri P Lehenkari, Juha Saarnio, Tuomo J Karttunen
Nucleic acid-sensing toll-like receptors (TLRs) (3, 7, 8, 9) have a role both in antiviral innate immunity and in autoimmune disorders. We assessed the expression of TLR3, 7, 8 and 9 in human and mouse pancreas focusing on the subpopulations of cells in the Langerhans islets. We studied eight human samples with normal pancreatic islets and two samples from patients with type 1 diabetes. Additionally, 10 CD-1 mouse pancreases were analysed. Immunohistochemical double-stainings for the TLRs and insulin, glucagon or somatostatin, respectively, were performed along with appropriate controls...
December 28, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28027594/neuroimmune-factors-in-functional-gastrointestinal-disorders-a-focus-on-irritable-bowel-syndrome
#14
REVIEW
G E Boeckxstaens, M M Wouters
BACKGROUND: Abnormal abdominal pain perception is the most bothersome and difficult to treat symptom of functional gastrointestinal disorders (FGIDs). Visceral pain stimuli are perceived and transmitted by afferent neurons residing in the dorsal root ganglia that have sensory nerve endings in the gut wall and mesentery. Accumulating evidence indicates that peripheral activation and sensitization of these sensory nerve endings by bioactive mediators released by activated immune cells, in particular mast cells, can lead to aberrant neuroimmune interactions and the development and maintenance of visceral hypersensitivity...
December 27, 2016: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28018284/developmental-changes-in-pain-and-spinal-immune-gene-expression-after-radicular-trauma-in-the-rat
#15
Gordon A Barr, Shaoning Wang, Christine L Weisshaar, Beth A Winkelstein
Neuropathic pain is chronic pain that develops after nerve injury and is less frequent in infants and children than in adults. Likewise, in animal models of neuropathic pain, allodynia and hyperalgesia are non-existent or attenuated in the infant, with a "switch" during development by which acute nerve injury transitions to chronic pain. Concomitant with the delay in neuropathic pain, there is a parallel delay in the ability of nerve injury to activate the immune system. Models of neuropathic pain in the infant have used various ligation methods and find that neuropathic pain does not occur under after postnatal days 21-28 (PN21-PN28), linked to activation of immune processes and developmental regulation of anti-inflammatory cytokines...
2016: Frontiers in Neurology
https://www.readbyqxmd.com/read/28018095/gastrointestinal-neuromuscular-apparatus-an-underestimated-target-of-gut-microbiota
#16
EDITORIAL
Michele Pier Luca Guarino, Michele Cicala, Lorenza Putignani, Carola Severi
Over the last few years, the importance of the resident intestinal microbiota in the pathogenesis of several gastro-intestinal diseases has been largely investigated. Growing evidence suggest that microbiota can influence gastro-intestinal motility. The current working hypothesis is that dysbiosis-driven mucosal alterations induce the production of several inflammatory/immune mediators which affect gut neuro-muscular functions. Besides these indirect mucosal-mediated effects, the present review highlights that recent evidence suggests that microbiota can directly affect enteric nerves and smooth muscle cells functions through its metabolic products or bacterial molecular components translocated from the intestinal lumen...
December 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28011263/prenatal-alcohol-exposure-potentiates-chronic-neuropathic-pain-spinal-glial-and-immune-cell-activation-and-alters-sciatic-nerve-and-drg-cytokine-levels
#17
Shahani Noor, Joshua J Sanchez, Arden G Vanderwall, Melody S Sun, Jessie R Maxwell, Suzy Davies, Lauren L Jantzie, Timothy R Petersen, Daniel D Savage, Erin D Milligan
A growing body of evidence indicates that prenatal alcohol exposure (PAE) may predispose individuals to secondary medical disabilities later in life. Animal models of PAE reveal neuroimmune sequelae such as elevated brain astrocyte and microglial activation with corresponding region-specific changes in immune signaling molecules such as cytokines and chemokines. The aim of this study was to evaluate the effects of moderate PAE on the development and maintenance of allodynia induced by chronic constriction injury (CCI) of the sciatic nerve in adult male rat offspring...
December 20, 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28003344/differentiating-lower-motor-neuron-syndromes
#18
REVIEW
Nidhi Garg, Susanna B Park, Steve Vucic, Con Yiannikas, Judy Spies, James Howells, William Huynh, José M Matamala, Arun V Krishnan, John D Pollard, David R Cornblath, Mary M Reilly, Matthew C Kiernan
Lower motor neuron (LMN) syndromes typically present with muscle wasting and weakness and may arise from pathology affecting the distal motor nerve up to the level of the anterior horn cell. A variety of hereditary causes are recognised, including spinal muscular atrophy, distal hereditary motor neuropathy and LMN variants of familial motor neuron disease. Recent genetic advances have resulted in the identification of a variety of disease-causing mutations. Immune-mediated disorders, including multifocal motor neuropathy and variants of chronic inflammatory demyelinating polyneuropathy, account for a proportion of LMN presentations and are important to recognise, as effective treatments are available...
December 21, 2016: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28002383/stress-induced-parasympathetic-control-and-its-association-with-inflammatory-reactivity
#19
Alex Woody, Wilson S Figueroa, Fabian Benencia, Peggy M Zoccola
OBJECTIVES: It has been proposed that the inflammatory cytokine system is regulated through the vagus nerve, where vagal activation inhibits release of inflammatory cytokines and, therefore, inflammation. Thus, loss of vagal activation (i.e., reduced high-frequency heart rate variability [HF-HRV]) should result in greater inflammation. Evidence to date for this relationship has relied on animal models and resting states in humans. The present study used a psychosocial stressor to test whether stress-induced decreases in HF-HRV predict increases in circulating inflammatory markers...
December 20, 2016: Psychosomatic Medicine
https://www.readbyqxmd.com/read/28000233/multifocal-sensory-demyelinating-neuropathy-report-of-a-case
#20
Shin J Oh
INTRODUCTION: Multifocal sensory demyelinating neuropathy has not been reported. METHOD: A 42-year-old man with numbness of the left hand for 3 years and of the right hand for 6 months had a pure multifocal sensory neuropathy involving both hands, most prominently affecting 2-point discrimination, number writing, and object recognition in the left hand. Near-nerve needle sensory and mixed nerve conduction studies were performed in the left ulnar nerve. RESULTS: Studies of the left ulnar nerve documented a demyelinating neuropathy characterized by temporal dispersion and marked decrease in the amplitudes of the sensory and mixed compound nerve potentials in the above elbow-axilla segment...
December 21, 2016: Muscle & Nerve
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