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Muscle Disease

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https://www.readbyqxmd.com/read/28538380/acute-effects-of-cinacalcet-on-arterial-stiffness-and-ventricular-function-in-hemodialysis-patients-a-randomized-double-blinded-crossover-study
#1
Aurélie Poulin, Pierre-Luc Bellemare, Catherine Fortier, Fabrice Mac-Way, Simon Desmeules, Karine Marquis, Valérie Gaudreault, Marcel Lebel, Mohsen Agharazii
BACKGROUND: Serum calcium concentration (Ca) plays an essential role in a vascular muscle tone and myocardial contractility. Previously, we showed that acutely lowering Ca by hemodialysis reduced arterial stiffness. Cinacalcet is a calcimimetic that lowers Ca and parathyroid hormone (PTH). The aim of the present study was to examine whether acute lowering of Ca by cinacalcet improves vascular stiffness and myocardial diastolic dysfunction. METHOD: This is a double-blinded randomized placebo-controlled crossover study that included 21 adult patients with end-stage kidney disease undergoing chronic hemodialysis...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28538257/what-s-in-the-literature
#2
Mark Bromberg, Nicholas J Silvestri, David Lacomis
In this edition, we provide a detailed summary of an informative book, "GBS100: Celebrating a Century of Progress in Guillain-Barré Syndrome" developed by the Peripheral Nerve Society to honor the centenary of the original paper on Guillain-Barré Syndrome. We also review various studies in myasthenia gravis including: management with rituximab; the efficacy of early fast-acting treatment with corticosteroids; and various dosing strategies for tacrolimus. Finally, we review new studies including: the potential pathogenesis, risk factors, and functional decline of patients with inclusion body myositis; MxA immunoreactivity in dermatomyositis; diagnostic approaches for evaluating patients with myalgia, fatigue, and exercise intolerance; MRI patterns in genetic muscle disease; and MRI as an outcome measure in facioscapulohumeral muscular dystrophy...
June 2017: Journal of Clinical Neuromuscular Disease
https://www.readbyqxmd.com/read/28538253/immune-myopathy-with-perimysial-pathology-associated-with-interstitial-lung-disease-and-anti-ej-antibodies
#3
Patrick M Kwon, Lan Zhou, Rajeev Motiwala, Leslie D Kerr, Susan C Shin
OBJECTIVES: We report a case of immune myopathy with perimysial pathology associated with anti-glycyl-transfer RNA synthetase (anti-EJ) antibody and an excellent treatment response. METHODS: Chart review. RESULTS: A 36-year-old woman presented with 3 months of fatigue, weight loss, progressive weakness in a scapuloperoneal distribution, and dysphagia. Nerve conduction studies, electromyography, and ultrasound suggested an irritable myopathy...
June 2017: Journal of Clinical Neuromuscular Disease
https://www.readbyqxmd.com/read/28535621/acute-calcific-tendonitis-of-dorsal-interosseous-muscles-of-the-hand-uncommon-site-of-a-frequent-disease
#4
D Schneider, M Hirsch
Acute calcific tendinopathy is one of the manifestations of hydroxyapatite crystal deposition disease. While it is more frequent in the shoulder, it has been described in virtually all areas of the body, but rarely in the muscles of the hand. Its etiopathogenesis is not yet fully understood and despite being a fairly frequent condition, it is commonly misdiagnosed. The onset of the disease is usually acute and resolves spontaneously. Acute calcific tendinitis of the interosseous tendons of the hand is an uncommon site of a frequent condition...
May 22, 2017: Reumatismo
https://www.readbyqxmd.com/read/28535533/malat1-modulates-tgf-%C3%AE-1-induced-endothelial-to-mesenchymal-transition-through-downregulation-of-mir-145
#5
Yin Xiang, Yachen Zhang, Yong Tang, Qianhui Li
BACKGROUND/AIMS: Endothelial-to-mesenchymal transition (EndMT) plays significant roles under various pathological conditions including cardiovascular diseases, fibrosis, and cancer. EndMT of endothelial progenitor cells (EPCs) contributes to neointimal hyperplasia following cell therapy Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) is a long non-coding RNA (lncRNA) that promotes metastasis and cancer. MicroRNA-145 (miR-145) is a tumor suppressor that has been reported to inhibit SMAD3-mediated epithelial-to-mesenchymal transition (EMT) of cancer cells...
May 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28535522/restenosis-in-hemodialytic-fistulas-and-chronic-kidney-disease-associated-vascular-disease-two-pathologies-driven-by-metakaryotic-stem-cells
#6
Gianandrea Pasquinelli, William G Thilly, Elena V Gostjeva, Paola Todeschini, Giuseppe Cianciolo, Claudio Ronco, Gaetano La Manna
Chronic kidney disease (CKD) exacerbating vascular disease poses a major challenge to nephrology. Surgically placed vascular fistulas, as an aid to hemodialysis prior to kidney transplant, have extended many lives, while post-surgical restenosis closure of the fistula by smooth muscle cells affects many lives. When post-surgical restenosis is developed, palliative measures are almost always surgical: there are no effective drug treatments. In this study, we offer a testable hypothesis that effects of CKD on widely distributed vascular diseases and the phenomenon of fistula restenosis are both driven by the pathologic creation of non-dividing smooth muscle cells via asymmetric division of exponentially increasing metakaryotic stem cells...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28535138/paramedian-submandibular-approach-for-removal-of-foreign-bodies-in-the-pterygoid-muscle-in-two-dogs
#7
Elizabeth Gettinger, Daniel Smeak, Angela Marolf
The purpose of this report is to document a unique location of an oropharyngeal foreign body, diagnosed via contrast computed tomography (CT), as well as a novel surgical approach to the pterygoid muscle region. Oropharyngeal foreign objects are an uncommon but potentially serious disease that can lead to chronic abscessation and pain. Two dogs were presented with chronic complaints, including pain and inability to fully open the mouth for a 1 yr and 5 mo duration, respectively. There was no history or evidence of skin sinus or submandibular/cervical swelling on physical examination of either dog...
May 23, 2017: Journal of the American Animal Hospital Association
https://www.readbyqxmd.com/read/28535009/microrna-let-7g-alleviates-atherosclerosis-via-the-targeting-of-lox-1-in-vitro-and-in-vivo
#8
Mingxin Liu, Guizhou Tao, Qifeng Liu, Kun Liu, Xinchun Yang
Atherosclerosis is a chronic arterial disease and the leading cause of stroke and myocardial infarction. Micro-RNAs (miRNAs or miRs) have been reported to act as essential modulators during the progression of atherosclerosis. Although miR-let-7g has been demonstrated to contribute to maintaining endothelial function and vascular homeostasis, it is not known whether miR-let-7g exerts a therapeutic effect on experimental atherosclerosis. The aim of this study was to investigate the effects of miR-let-7g on atherosclerosis in vivo and in vitro and to explore its underlying mechanisms...
May 18, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28534977/runx3-modulates-hypoxia-induced-endothelial-to-mesenchymal-transition-of-human-cardiac-microvascular-endothelial-cells
#9
Yanhua Liu, Jin Zou, Bingong Li, Yuqin Wang, Delong Wang, Yanqin Hao, Xuan Ke, Xingxing Li
Endothelial-mesenchymal transition (EndMT) is an essential mechanism in the cardiovascular system, for both cardiovascular development and cardiovascular diseases (CVDs). Recent studies indicate that runt-related transcription factor 3 (RUNX3) contributes to EndMT and endothelial cell dysfunction. However, the underlying molecular mechanism remains unknown. The present study was designed to investigate the role of RUNX3 in EndMT and endothelial cell function, and to elucidate the underlying molecular mechanism...
May 22, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28534971/mir-483-5p-plays-a-protective-role-in-chronic-obstructive-pulmonary-disease
#10
Zhenyu Shen, Wenxiang Tang, Jiang Guo, Shenghua Sun
Altered microRNA (miRNA or miR) expression has been reported in chronic obstructive pulmonary disease (COPD). The present study aimed to identify the involvement of miRNAs in the pathophysiology of COPD and to explore the effects of various miRNAs with significant alteration on COPD in vitro. We conducted high‑throughput analysis of miRNAs (miRNA microarray) in lung samples from 10 COPD patients and 10 healthy persons with a validation experiment using quantitative (real‑time) polymerase chain reaction (real‑time PCR) panels...
May 18, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28534340/imaging-of-cranial-nerves-iii-iv-vi-in-congenital-cranial-dysinnervation-disorders
#11
REVIEW
Jae Hyoung Kim, Jeong Min Hwang
Congenital cranial dysinnervation disorders are a group of diseases caused by abnormal development of cranial nerve nuclei or their axonal connections, resulting in aberrant innervation of the ocular and facial musculature. Its diagnosis could be facilitated by the development of high resolution thin-section magnetic resonance imaging. The purpose of this review is to describe the method to visualize cranial nerves III, IV, and VI and to present the imaging findings of congenital cranial dysinnervation disorders including congenital oculomotor nerve palsy, congenital trochlear nerve palsy, Duane retraction syndrome, Möbius syndrome, congenital fibrosis of the extraocular muscles, synergistic divergence, and synergistic convergence...
May 12, 2017: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/28534073/surgical-treatment-of-intraforaminal-extraforaminal-lumbar-disc-herniations-many-approaches-for-few-surgical-routes
#12
REVIEW
Giorgio Lofrese, Lorenzo Mongardi, Francesco Cultrera, Giorgio Trapella, Pasquale De Bonis
BACKGROUND: Several disc disease nomenclatures and approaches for LDH exist. The traditional midline bone-destructive procedures together with approaches requiring extreme muscular retraction are being replaced by muscle sparing, targeted, stability-preserving surgical routes. The increasing speculation on LDHs and the innovative corridors described to treat them have lead to an extensive production of papers frequently treating the same topic but adopting different terminologies and reporting contradictory results...
May 22, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28533764/serum-creatinine-distinguishes-duchenne-muscular-dystrophy-from-becker-muscular-dystrophy-in-patients-aged-%C3%A2-3-years-a-retrospective-study
#13
Liang Wang, Menglong Chen, Ruojie He, Yiming Sun, Juan Yang, Lulu Xiao, Jiqing Cao, Huili Zhang, Cheng Zhang
Here, we investigated correlations between serum creatinine (SCRN) levels and clinical phenotypes of dystrophinopathy in young patients. Sixty-eight patients with dystrophinopathy at the Neuromuscular Clinic, The First Affiliated Hospital, Sun Yat-sen University, were selected for this study. The diagnosis of dystrophinopathy was based on clinical manifestation, biochemical changes, and molecular analysis. Some patients underwent muscle biopsies; SCRN levels were tested when patients were ≤3 years old, and reading frame changes were analyzed...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28533641/image-findings-of-a-rare-case-of-neuroendocrine-tumor-metastatic-to-orbital-extraocular-muscle-in-gallium-68-dotanoc-positron-emission-tomography-computed-tomography-and-therapy-with-lutetium-177-dotatate
#14
Koramadai Karuppusamy Kamaleshwaran, Jephy Joseph, Indra Upadhya, Ajit Sugunan Shinto
Metastatic tumor is one of several etiologies of space-occupying masses in the orbit that accounts for 1-13% of all orbital masses. In the adult patient population, breast cancer is the most common tumor to metastasize to the orbit, followed by metastasis from the lung, prostate, and gastrointestinal tract. Carcinoid tumors are rare neuroendocrine neoplasms derived from enterochromaffin cells, which are found primarily in the gastrointestinal tract and bronchial tree. Liver metastases are the classic presentation of distant disease...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533623/short-physical-performance-battery-for-middle-aged-and-older-adult-cardiovascular-disease-patients-implication-for-strength-tests-and-lower-extremity-morphological-evaluation
#15
Tomohiro Yasuda, Kazuya Fukumura, Toshiaki Nakajima
[Purpose] To examine if the SPPB is higher with healthy subjects than outpatients, which was higher than inpatients and if the SPPB can be validated assessment tool for strength tests and lower extremity morphological evaluation in cardiovascular disease patients. [Subjects and Methods] Twenty-four middle aged and older adults with cardiovascular disease were recruited from inpatient and outpatient facilities and assigned to separate experimental groups. Twelve age-matched healthy volunteers were assigned to a control group...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28533621/correlations-between-slow-rate-repetitive-nerve-stimulation-and-characteristics-associated-with-amyotrophic-lateral-sclerosis-in-chinese-patients
#16
Yan Wang, Zheman Xiao, Hong Chu, Jingjing Liang, Xu Wu, Hongjuan Dong, Yang Yan, Zuneng Lu
[Purpose] To clarify the features associated with decrements in compound muscle action potentials (CMAP) during slow-rate repetitive nerve stimulation (RNS) of muscles involved in amyotrophic lateral sclerosis (ALS) in mainland China. [Subjects and Methods] A retrospective study of decremental responses to slow-rate RNS was performed to compare patients with ALS to those with myasthenia gravis (MG). [Results] A significant decrement (>5%) was observed in at least one muscle in 54% of ALS patients. The trapezius muscle was the most commonly affected (67%)...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28533596/the-ratio-of-medial-and-lateral-hamstring-muscle-thickness-does-not-correlate-with-the-lateral-tibial-rotation-angle-in-the-standing-position-in-healthy-young-adults
#17
Dong-Soo Lee, Sung-Dae Choung, Seung-Won Lee, Hye Rim Suh, Jae-Hoon Shim
[Purpose] To investigate the relationship between the lateral tibial rotation angle during knee joint flexion and the medial and lateral hamstring muscle thickness ratio during knee joint extension while resting, doing nothing, in upright standing position. The lateral tibial torsion is an important factor of orthopedic knee joint diseases as well as other weight bearing joint diseases such as osteoarthritis, meniscus syndrome, anterior cruciate ligament rupture, etc. [Subjects and Methods] Thirty healthy young adults participated in this study...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28533552/physical-activity-for-paediatric-rheumatic-diseases-standing-up-against-old-paradigms
#18
REVIEW
Bruno Gualano, Eloisa Bonfa, Rosa M R Pereira, Clovis A Silva
Over the past 50 years it has become clear that physical inactivity is associated with chronic disease risk. For several rheumatic diseases, bed rest was traditionally advocated as the best treatment, but several levels of evidence support the imminent paradigm shift from the prescription of bed rest to physical activity in individuals with paediatric rheumatic diseases, in particular juvenile systemic lupus erythematosus, juvenile idiopathic arthritis, juvenile fibromyalgia, and juvenile dermatomyositis. Increasing levels of physical activity can alleviate several symptoms experienced by patients with paediatric rheumatic diseases, such as low aerobic fitness, pain, fatigue, muscle weakness and poor health-related quality of life...
May 23, 2017: Nature Reviews. Rheumatology
https://www.readbyqxmd.com/read/28533541/development-of-a-novel-chronic-kidney-disease-mouse-model-to-evaluate-the-progression-of-hyperphosphatemia-and-associated-mineral-bone-disease
#19
Takashi Tani, Hideo Orimo, Akira Shimizu, Shuichi Tsuruoka
Medial arterial calcification (MAC) and renal osteodystrophy are complications of mineral bone disease (MBD) associated with chronic kidney disease (CKD). Our aim was to develop a novel mouse model to investigate the clinical course of CKD-MBD. Eight-week-old C57BL/6 J male mice were assigned to the following groups: the control group, fed a standard chow for 6 or 12 weeks; the CKD-normal phosphorus (NP) group, fed a chow containing 0.2% adenine, with normal (0.8%) phosphorus, for 6 or 12 weeks; and the CKD-high phosphorus (HP) group, fed 6 weeks with the 0...
May 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28533404/repression-of-phosphatidylinositol-transfer-protein-%C3%AE-ameliorates-the-pathology-of-duchenne-muscular-dystrophy
#20
Natassia M Vieira, Janelle M Spinazzola, Matthew S Alexander, Yuri B Moreira, Genri Kawahara, Devin E Gibbs, Lillian C Mead, Sergio Verjovski-Almeida, Mayana Zatz, Louis M Kunkel
Duchenne muscular dystrophy (DMD) is a progressive muscle wasting disease caused by X-linked inherited mutations in the DYSTROPHIN (DMD) gene. Absence of dystrophin protein from the sarcolemma causes severe muscle degeneration, fibrosis, and inflammation, ultimately leading to cardiorespiratory failure and premature death. Although there are several promising strategies under investigation to restore dystrophin protein expression, there is currently no cure for DMD, and identification of genetic modifiers as potential targets represents an alternative therapeutic strategy...
May 22, 2017: Proceedings of the National Academy of Sciences of the United States of America
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