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https://www.readbyqxmd.com/read/29774960/alteration-of-nociceptive-integration-in-the-spinal-cord-of-a-rat-model-of-parkinson-s-disease
#1
Keri-Ann Charles, Frédéric Naudet, Rabia Bouali-Benazzouz, Marc Landry, Philippe De Deurwaerdère, Pascal Fossat, Abdelhamid Benazzouz
BACKGROUND: Pain is a major non motor symptom that contributes to impaired quality of life in PD. However, its mechanism is unknown. OBJECTIVES AND METHODS: We sought to identify the pain phenotypes and parallel changes in spinal integration of peripheral stimuli in a rat model of PD induced by lesions of SN dopamine neurons, using behavioral plantar and von Frey tests as well as electrophysiology of the dorsal horn. RESULTS: We show that dopamine depletion by 6-OHDA induced hypersensitivity to mechanical and thermal stimuli...
May 18, 2018: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/29773237/application-of-a-resin-handle-for-preparation-of-lamina-for-osteo-odontokeratoprosthesis
#2
A Enomoto, K Matsunaga, M Fukuda, Y Shimomura, S Hamada
No abstract text is available yet for this article.
May 14, 2018: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/29772861/-analysis-of-clinical-effects-in-the-treatment-of-single-segment-lumbar-degenerative-disease-by-lamina-osteotomy-and-former-vertebral-plates-regraft
#3
Da-Peng Duan, Zhi-Long Chen, Hong-Hai Xu, Zong-Zhi Liu
OBJECTIVE: To compare the clinical effect between the lamina osteotomy and former vertebral plates regraft method and total laminectomy and interbody fusion method in treating single-segment lumbar degenerative disease. METHODS: The clinical data of 167 patients with single-segment lumbar degenerative disease underwent surgical treatment from January 2010 to December 2014 were retrospectively analyzed. There were 92 males and 75 females, aged from 45 to 75 years old with an average of (59...
April 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29772390/pathobiology-of-christianson-syndrome-linking-disrupted-endosomal-lysosomal-function-with-intellectual-disability-and-sensory-impairments
#4
Mallory Kerner-Rossi, Maria Gulinello, Steven Walkley, Kostantin Dobrenis
Christianson syndrome (CS) is a recently described rare neurogenetic disorder presenting early in life with a broad range of neurological symptoms, including severe intellectual disability with nonverbal status, hyperactivity, epilepsy, and progressive ataxia due to cerebellar atrophy. CS is due to loss-of-function mutations in SLC9A6, encoding NHE6, a sodium-hydrogen exchanger involved in the regulation of early endosomal pH. Here we review what is currently known about the neuropathogenesis of CS, based on insights from experimental models, which to date have focused on mechanisms that affect the CNS, specifically the brain...
May 14, 2018: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/29772368/volumetric-muscle-measurements-indicate-significant-muscle-degeneration-in-single-level-disc-herniation-patients
#5
Kaan Yaltırık, Burhan Oral Güdü, Yüksel Işık, Çiğdem Altunok, Ufuk Tipi, Başar Atalay
INTRODUCTION: There is a strong relationship between lower back pain and paraspinal muscle atrophy. In this study, we aimed to investigate the prevalence of lumbar paravertebral muscle atrophy in patients with and without single level disc herniation. MATERIALS AND METHODS: The 110 retrospectively analyzed patients in this study were divided into two groups. Group A included 55 patients with radiologically confirmed single level disc herniation with back pain and radiculopathy...
May 14, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29772120/eosinophilic-esophagitis-relevance-of-mast-cell-infiltration
#6
Daniel S Strasser, Shanon Seger, Christian Bussmann, Gabin M Pierlot, Peter M A Groenen, Anna K Stalder, Alex Straumann
BACKGROUND AND AIMS: Eosinophilic esophagitis (EoE) is a chronic-inflammatory disease characterized clinically by symptoms of esophageal dysfunction and histopathologically by a prominent eosinophilic inflammation. Despite eosinophils having histologically a pre-dominant position, their role in the immunopathogenesis of the disease is still questionable. Several other inflammatory cells are involved and may play a critical role as well. The purpose of this study was to characterize the mast cell infiltration, and to correlate it with clinical state of EoE...
May 17, 2018: Histopathology
https://www.readbyqxmd.com/read/29771684/antibiotic-treatment-induced-secondary-iga-deficiency-enhances-susceptibility-to-pseudomonas-aeruginosa-pneumonia
#7
Oliver H Robak, Markus M Heimesaat, Andrey A Kruglov, Sandra Prepens, Justus Ninnemann, Birgitt Gutbier, Katrin Reppe, Hubertus Hochrein, Mark Suter, Carsten J Kirschning, Veena Marathe, Jan Buer, Mathias W Hornef, Markus Schnare, Pascal Schneider, Martin Witzenrath, Stefan Bereswill, Ulrich Steinhoff, Norbert Suttorp, Leif E Sander, Catherine Chaput, Bastian Opitz
Broad-spectrum antibiotics are widely used in patients on intensive care units (ICU), many of which develop hospital-acquired infections with Pseudomonas aeruginosa. Although preceding antimicrobial therapy is known as a major risk factor for P. aeruginosa-induced pneumonia, the underlying mechanisms remain incompletely understood. Here we demonstrate that depletion of the resident microbiota by broad-spectrum antibiotic treatment inhibited TLR-dependent production of a proliferation inducing ligand (APRIL), resulting in a secondary IgA deficiency in the lung in mice and human ICU patients...
May 17, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29771036/-3d-computed-tomographic-study-of-concha-bullosa-drainage-pathway
#8
W H Zhang, Y L Zhao, X D Li
Objective: The aim of this study is to study the related structures with concha bullosa drainage passway in inpatients with concha bullosa disease. Method: A total of 90 patients with peritubular middle turbinate (144 sides) were examined by 16-slice spiral CT. The distribution of the middle turbinate and the distribution of the drainage channel were analyzed by three-dimensional reconstruction technique and image workstation software. Result: The distribution of the morphology and drainage channel of 144 concha bullosa have statistically significant ( P <0...
May 20, 2017: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29770905/congenital-grouped-albinotic-spots-of-the-retinal-pigment-epithelium-in-a-patient-with-hemihypertrophy-and-caf%C3%A3-au-lait-spots
#9
Eugenia C White, Jesse D Sengillo, Galaxy Y Cho, Mathieu F Bakhoum, Stephen H Tsang
PURPOSE: To describe the finding of circularly grouped hypomelanotic spots in the central macula of a patient with syndromic characteristics. METHODS: Case report of a patient with albinotic spots grouped within the macula, café au lait spots, and left-sided hemihypertrophy. RESULTS: A 15-year-old boy presented with hypomelanotic spots which were hyperautofluorescent on fundus autofluorescence imaging with no disruption of the retinal laminae or photoreceptor inner and outer segment (IS/OS) junction on spectral domain optical coherence tomography...
May 16, 2018: Documenta Ophthalmologica. Advances in Ophthalmology
https://www.readbyqxmd.com/read/29768431/loss-of-htra1-serine-protease-induces-synthetic-modulation-of-aortic-vascular-smooth-muscle-cells
#10
Muthi Ikawati, Masashi Kawaichi, Chio Oka
Homozygous mutations of human HTRA1 cause cerebral autosomal recessive arteriopathy with subcortical infarcts and leukoencephalopathy (CARASIL). HtrA1-/- mice were examined for arterial abnormalities. Although their cerebral arteries were normal, the thoracic aorta was affected in HtrA1-/- mice. The number of vascular smooth muscle cells (VSMCs) in the aorta was increased in HtrA1-/- mice of 40 weeks or younger, but decreased thereafter. The cross-sectional area of the aorta was increased in HtrA1-/- mice of 40 weeks or older...
2018: PloS One
https://www.readbyqxmd.com/read/29767061/biochemical-and-histopathological-changes-in-sheep-fed-different-detoxified-karanj-pongamia-glabra-seed-cake-as-partial-protein-supplements
#11
Nira M Soren, Anil K Sharma, Vadali R B Sastry
The study investigated the long-term effect of feeding processed solvent extracted karanj ( Pongamia glabra ) cake (SKC) on gross pathology and histopathological changes in some vital organs, and on the activities of serum enzymes in Jalauni lambs. Twenty-four male lambs were divided into 4 groups and allotted randomly to a soybean meal (SBM) based control (CON) and 3 treatment groups receiving concentrate mixtures, containing water washed (WW), 2.5% lime (LM) and 0.4% binder (BN) treated SKC replacing 50% nitrogen of SBM to meet the protein requirements...
June 2017: Animal nutrition
https://www.readbyqxmd.com/read/29764932/distribution-of-mast-cell-subtypes-in-interstitial-cystitis-implications-for-novel-diagnostic-and-therapeutic-strategies
#12
Shabana T Malik, Brian R Birch, David Voegeli, Mandy Fader, Vipul Foria, Alan J Cooper, Andrew F Walls, Bashir A Lwaleed
AIMS: To identify the presence and geographical distribution of mast cell (MC) subtypes: MCT (tryptase positive-chymase negative) and MCTC (tryptase positive-chymase positive) in bladder tissue. METHODS: Bladder tissue was obtained from patients with painful bladder syndrome/interstitial cystitis (n=14) and normal histology from University Hospital Southampton tissue bank. Sequential tissue slices were immunohistochemically stained for MC subtypes using anti-MC tryptase (for MCT and MCTC ) and anti-MC chymase (for MCTC )...
May 15, 2018: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29764431/cyclooxygenase-2-immunoexpression-in-intestinal-epithelium-and-lamina-propria-of-cats-with-inflammatory-bowel-disease-and-low-grade-alimentary-lymphoma
#13
Jorge Castro-López, Antonio Ramis, Marta Planellas, Mariana Teles, Josep Pastor
BACKGROUND: Cyclooxygenase 2 (COX-2) is an inducible isoform by cellular activation, proinflammatory cytokines and growth factors. The aims of the current study were to evaluate COX-2 immunoexpression in epithelial and lamina propria (LP) of cats with inflammatory bowel disease (IBD) and low grade alimentary lymphoma (LGAL), as well as to correlate them with clinical signs and histopathological scoring. Cats diagnosed with IBD and LGAL (2007-2013) were included in the current study. Feline chronic enteropathy activity index (FCEAI) was calculated for all cases...
May 15, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29760459/gata4-dependent-regulation-of-the-secretory-phenotype-via-mcp-1-underlies-lamin-a-mediated-human-mesenchymal-stem-cell-aging
#14
Jin Young Lee, Kyung-Rok Yu, Byung-Chul Lee, Insung Kang, Jae-Jun Kim, Eui-Jung Jung, Hyung-Sik Kim, Yoojin Seo, Soon Won Choi, Kyung-Sun Kang
Defects in the nuclear lamina occur during physiological aging and as. result of premature aging disorders. Aging is also accompanied by an increase in transcription of genes encoding cytokines and chemokines,. phenomenon known as the senescence-associated secretory phenotype (SASP). Progerin and prelamin. trigger premature senescence and loss of function of human mesenchymal stem cells (hMSCs), but little is known about how defects in nuclear lamin. regulate SASP. Here, we show that both progerin overexpression and ZMPSTE24 depletion induce paracrine senescence, especially through the expression of monocyte chemoattractant protein-1 (MCP-1), in hMSCs...
May 14, 2018: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29760098/cochlear-amplification-and-tuning-depend-on-the-cellular-arrangement-within-the-organ-of-corti
#15
Hamid Motallebzadeh, Joris A M Soons, Sunil Puria
The field of cochlear mechanics has been undergoing a revolution due to recent findings made possible by advancements in measurement techniques. While it has long been assumed that basilar-membrane (BM) motion is the most important determinant of sound transduction by the inner hair cells (IHCs), it turns out that other parts of the sensory epithelium closer to the IHCs, such as the reticular lamina (RL), move with significantly greater amplitude for weaker sounds. It has not been established how these findings are related to the complex cytoarchitecture of the organ of Corti between the BM and RL, which is composed of a lattice of asymmetric Y-shaped elements, each consisting of a basally slanted outer hair cell (OHC), an apically slanted phalangeal process (PhP), and a supporting Deiters' cell (DC)...
May 14, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29759919/does-pepsin-play-a-role-in-etiology-of-laryngeal-nodules
#16
Hamdi Tasli, Burcu Eser, Mehmet Burak Asik, Hakan Birkent
OBJECTIVES: Vocal fold nodules (VFNs) are benign disorders affecting the superficial lamina propria of the true vocal folds. The etiology of VFNs still remains unclear but laryngeal trauma caused by vocal abuse, tobacco, alcohol, and laryngopharyngeal reflux (LPR) plays a crucial role on the pathogenesis. The aim of this study was to assess the presence of pepsin in formalin-fixed, paraffin-embedded (FEPE) specimens of VFNs to evaluate the role of LPR as a risk factor for VFNs. MATERIALS AND METHODS: A total of 28 pathology specimens of patients suffering from VFNs who had undergone laser microsurgery under general anesthesia were evaluated...
May 11, 2018: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/29757559/-ct-observation-of-retromaxillary-posterior-ethmoid
#17
Jin Feng Liu, Qi Tong Liu, Jin Yu Liu, Zhan Feng Yan, Ning Yu Wang
Objective: To investigate the morphologic characteristics of the retromaxillary posterior ethmoid. Method: A total of 103 outpatients encountered in our hospital during March 2012 and December 2012,who completed paranasal sinus CT examination,were included in this study.Patients had no sinus trauma,surgery or tumor history.Their paranasal sinus CT scans were analyzed from scheduled axial and coronal plane.The incidence and imaging features of the retromaxillary posterior ethmoid were observed. Result: The retromaxillary posterior ethmoid(RMPE)was the posterior ethmoid cell that expanded along the lamina papyracea toward the infraorbital region...
January 20, 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29757351/m10-a-novel-derivative-of-myricetin-prevents-ulcerative-colitis-and-colorectal-tumor-through-attenuating-robust-endoplasmic-reticulum-stress
#18
Feng Wang, Zhi-Yu Song, Xian-Jun Qu, Feng Li, Liang Zhang, Wen-Bao Li, Shu-Xiang Cui
Chronic gut inflammation disposes to an increased risk of colitis-associated cancer (CAC). Chemoprevention is an attractive complementary strategy. We aimed to evaluate the chemopreventive effects of M10, a novel derivative of Myricetin, in the murine azoxymethane (AOM)/dextran sodium sulfate (DSS) model. Oral administration of M10 at 50-100 mg/kg once a day for consecutive 12 weeks significantly prevented ulcerative colitis and colorectal tumor. Pathological analysis of intestines showed that M10 reduced the degree of chronic inflammation and prevented the progression of colorectal tumorigenesis...
May 11, 2018: Carcinogenesis
https://www.readbyqxmd.com/read/29756630/a-biomimetic-microfluidic-model-to-study-signalling-between-endothelial-and-vascular-smooth-muscle-cells-under-hemodynamic-conditions
#19
Nicole C A van Engeland, Andreas M A O Pollet, Jaap M J den Toonder, Carlijn V C Bouten, Oscar M J A Stassen, Cecilia M Sahlgren
Cell signalling and mechanics influence vascular pathophysiology and there is an increasing demand for in vitro model systems that enable examination of signalling between vascular cells under hemodynamic conditions. Current 3D vessel wall constructs do not recapitulate the mechanical conditions of the native tissue nor do they allow examination of cell-cell interactions under relevant hemodynamic conditions. Here, we describe a 3D microfluidic chip model of arterial endothelial and smooth muscle cells where cellular organization, composition and interactions, as well as the mechanical environment of the arterial wall are mimicked...
May 14, 2018: Lab on a Chip
https://www.readbyqxmd.com/read/29756238/otopathologic-evaluation-of-temporalis-fascia-grafts-following-successful-tympanoplasty-in-humans
#20
Danielle R Trakimas, Reuven Ishai, Iman Ghanad, Nicole L Black, Elliott D Kozin, Jeffrey Tao Cheng, Aaron K Remenschneider
OBJECTIVE: Temporalis fascia is a commonly used graft material in tympanoplasty; however, little is known about how the histological structure of fascia remodels postimplantation. Herein, we aim to quantify the pre- and postoperative microstructure of temporalis fascia and compare histological findings to the native tympanic membrane (TM). METHODS: Temporal bone specimens having undergone successful subtotal or total drum replacement using temporalis fascia were identified (n = 3)...
May 14, 2018: Laryngoscope
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