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https://www.readbyqxmd.com/read/27924492/progression-of-gait-ataxia-in-patients-with-degenerative-cerebellar-disorders-a-4-year-follow-up-study
#1
Mariano Serrao, Giorgia Chini, Carlo Casali, Carmela Conte, Martina Rinaldi, Alberto Ranavolo, Christian Marcotulli, Luca Leonardi, Gaia Fragiotta, Fabiano Bini, Gianluca Coppola, Francesco Pierelli
In the present study, the progression of gait impairment in a group of patients with primary degenerative cerebellar ataxias was observed over a period of 4 years. A total of 30 patients underwent an initial gait analysis study, and thereafter only 12 were evaluated because they completed the 2- and 4-year follow-up evaluations. Time-distance parameters, trunk and joint range of motion (RoM), and variability parameters (e.g., coefficients of variation) were measured at the baseline and at each follow-up evaluation...
December 6, 2016: Cerebellum
https://www.readbyqxmd.com/read/27922949/the-neurological-safety-of-an-epidurally-administered-lipo-pge1-agonist-in-rats
#2
Eunjoo Choi, Sun Min Im, Hyung-Seok Yoo, Francis Sahngun Nahm, Yang Hyun Kim, Gheeyoung Choe, Pyung Bok Lee
BACKGROUND AND OBJECTIVE: Liposomal prostaglandin E1 (Lipo-PGE1) can inhibit platelet aggregation and vasodilatation and has been found to be therapeutic in ischemia and spinal diseases including stenosis. However, the neurologic safety of epidural administration of lipo-PGE1 requires further study. We investigated the neurotoxicity of epidurally administered lipo-PGE1 agonist in rats. METHODS: Twenty-seven rats were randomly divided into three groups: Epidural isotonic sodium chloride solution administration (negative control, group N, n = 9); epidural lipo-PGE1 agonist (group L, n = 9); and epidural alcohol (positive control, group A, n = 9)...
December 5, 2016: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/27921145/compressive-loading-of-the-murine-tibia-reveals-site-specific-micro-scale-differences-in-adaptation-and-maturation-rates-of-bone
#3
I Bergström, J G Kerns, A E Törnqvist, C Perdikouri, N Mathavan, A Koskela, H B Henriksson, J Tuukkanen, G Andersson, H Isaksson, A E Goodship, S H Windahl
: Loading increases bone mass and strength in a site-specific manner; however, possible effects of loading on bone matrix composition have not been evaluated. Site-specific structural and material properties of mouse bone were analyzed on the macro- and micro/molecular scale in the presence and absence of axial loading. The response of bone to load is heterogeneous, adapting at molecular, micro-, and macro-levels. INTRODUCTION: Osteoporosis is a degenerative disease resulting in reduced bone mineral density, structure, and strength...
December 5, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27921035/genetics-underlying-an-individualized-approach-to-adult-spinal-disorders
#4
REVIEW
Corey T Walker, Phillip A Bonney, Nikolay L Martirosyan, Nicholas Theodore
Adult spinal disorders are a significant cause of morbidity across the world and carry significant health and economic burdens. Genetic predispositions are increasingly considered for these conditions and are becoming understood. Advances in molecular technologies since the mid-1990s have made possible genetic characterizations of these diseases in many populations, and recent findings have provided insight into the underlying pathophysiologic mechanisms. These studies have made clear the genetic heterogeneity producing clinical phenotypes and suggest that individualized treatments are possible in the future...
2016: Frontiers in Surgery
https://www.readbyqxmd.com/read/27920810/hyaluronic-acid-in-the-management-of-osteoarthritis-injection-therapies-innovations
#5
Valter Santilli, Marco Paoloni, Massimiliano Mangone, Federica Alviti, Andrea Bernetti
Osteoarthritis (OA) is a chronic degenerative joint disease characterized by pain and progressive functional limitation. Viscosupplementation with intra-articular (IA) hyaluronic acid (HA) could be a treatment option in OA, however recommendations made in different international guidelines for the non-surgical management of OA are not always concordant with regard to the role of IA injection therapies. Results from a recent Italian Consensus Conference underline how IA-HA to treat OA represents a widely used therapy in Italy...
May 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/27920149/mir-142-3p-is-a-key-regulator-of-il-1%C3%AE-dependent-synaptopathy-in-neuroinflammation
#6
Georgia Mandolesi, Francesca De Vito, Alessandra Musella, Antonietta Gentile, Silvia Bullitta, Diego Fresegna, Helena Sepman, Claudio Di Sanza, Nabila Haji, Francesco Mori, Fabio Buttari, Emerald Perlas, Maria Teresa Ciotti, Eran Hornstein, Irene Bozzoni, Carlo Presutti, Diego Centonze
: MicroRNAs (miRNA) play an important role in posttranscriptional gene regulation of several physiological and pathological processes. In multiple sclerosis (MS), a chronic inflammatory and degenerative disease of the CNS, and in its mouse model, the experimental autoimmune encephalomyelitis (EAE), miRNA dysregulation has been mainly related to immune system dysfunction and white matter pathology. However, little is known about their role in grey matter pathology. Here, we explored miRNA involvement in the inflammation-driven alterations of synaptic structure and function, collectively known as synaptopathy, a neuropathological process contributing to excitotoxic neurodegeneration in MS/EAE...
December 5, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27919248/bone-mineral-density-in-patients-with-multiple-sclerosis-hereditary-ataxia-or-hereditary-spastic-paraplegia-after-at-least-10%C3%A2-years-of-disease-a-case-control-study
#7
Cecilia Smith Simonsen, Elisabeth Gulowsen Celius, Cathrine Brunborg, Chantal Tallaksen, Erik Fink Eriksen, Trygve Holmøy, Stine Marit Moen
BACKGROUND: Although disability is considered the main cause of low bone mineral density (BMD) in multiple sclerosis (MS), other factors related to the disease process or treatment could also be involved. The aim of this study was to assess whether patients with MS are more likely to develop low BMD (osteopenia or osteoporosis) than patients with the non-inflammatory neurological diseases Hereditary Spastic Paraplegia (HSP) and Hereditary Ataxia (HA). METHODS: We performed a case control study comparing BMD (spine, hip and total body) and biochemical measures of bone metabolism in 91 MS patients and 77 patients with HSP or HA, matched for age, gender and disability...
December 5, 2016: BMC Neurology
https://www.readbyqxmd.com/read/27917705/efficacy-of-argane-oil-on-metabolic-syndrome-in-a-moroccan-knee-osteoarthritis-population
#8
Jamila Essouiri, Fatima Ezzahra Abourazzak, Faiza Lazrak, Adil Najdi, Nadia Benaicha, Taoufik Harzy, Mourad Errasfa
Five medical conditions characterizes metabolic syndrome: abdominal obesity, elevated blood pressure, elevated fasting plasma glucose, high serum triglycerides, and low high-density lipoproteins cholesterol. When a patient has three of the five above parameters, he is called to have metabolic syndrome, and these conditions represents a key element in cardiovascular diseases. On the other hand, knee osteoarthritis is a degenerative disease which was shown to be affected by some of the parameters of metabolic syndrome...
December 4, 2016: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/27917637/-cardiovascular-risk-in-rheumatic-diseases
#9
Sabína Oreská, Michal Tomčík
Cardiovascular diseases, as a result of atherosclerosis, are the leading cause of mortality in the world. Atherosclerosis used to be considered as a degenerative impairment of the artery wall. Nevertheless, it is presently rather regarded as an autoimmune process with the involvement of both innate and adaptive immunity. Recently, it was demonstrated that the cardiovascular risk is increased in autoimmune diseases.In the pathogenesis of atherosclerosis in chronic inflammatory diseases both traditional and non-traditional risk factors are important...
2016: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/27917507/evidence-of-a-genomic-insertion-in-intron-2-of-sod1-causing-allelic-drop-out-during-routine-diagnostic-testing-for-canine-degenerative-myelopathy
#10
M E Turba, R Loechel, E Rombolà, G Gandini, F Gentilini
Degenerative myelopathy is a severe and progressive neurodegenerative disease and, in the majority of breeds, is associated with the c.118G>A substitution in exon 2 of the canine superoxide dismutase 1 (SOD1) gene. Our laboratories have been engaged in determining the cause of many discordant findings between the parental and the offspring genotypes found by different laboratories. In both cases, the discordant findings refer to actual heterozygous dogs that had been typed as homozygous for the variant allele...
December 4, 2016: Animal Genetics
https://www.readbyqxmd.com/read/27917384/genetic-alterations-in-intervertebral-disc-disease
#11
REVIEW
Nikolay L Martirosyan, Arpan A Patel, Alessandro Carotenuto, M Yashar S Kalani, Evgenii Belykh, Corey T Walker, Mark C Preul, Nicholas Theodore
BACKGROUND: Intervertebral disc degeneration (IVDD) is considered a multifactorial disease that is influenced by both environmental and genetic factors. The last two decades of research strongly demonstrate that genetic factors contribute about 75% of the IVDD etiology. Recent total genome sequencing studies have shed light on the various single-nucleotide polymorphisms (SNPs) that are associated with IVDD. AIM: This review presents comprehensive and updated information about the diversity of genetic factors in the inflammatory, degradative, homeostatic, and structural systems involved in the IVDD...
2016: Frontiers in Surgery
https://www.readbyqxmd.com/read/27916979/cytokine-networks-in-neuroinflammation
#12
Burkhard Becher, Sabine Spath, Joan Goverman
Cytokines provide cells with the ability to communicate with one another and orchestrate complex multicellular behaviour. There is an emerging understanding of the role that cytokines play in normal homeostatic tissue function and how dysregulation of these cytokine networks is associated with pathological conditions. The central nervous system (CNS), where few blood-borne immune cells circulate, seems to be particularly vulnerable to dysregulated cytokine networks. In degenerative diseases, such as proteopathies, CNS-resident cells are the predominant producers of pro-inflammatory cytokines...
December 5, 2016: Nature Reviews. Immunology
https://www.readbyqxmd.com/read/27916864/marine-organisms-with-anti-diabetes-properties
#13
REVIEW
Chiara Lauritano, Adrianna Ianora
Diabetes is a chronic degenerative metabolic disease with high morbidity and mortality rates caused by its complications. In recent years, there has been a growing interest in looking for new bioactive compounds to treat this disease, including metabolites of marine origin. Several aquatic organisms have been screened to evaluate their possible anti-diabetes activities, such as bacteria, microalgae, macroalgae, seagrasses, sponges, corals, sea anemones, fish, salmon skin, a shark fusion protein as well as fish and shellfish wastes...
December 1, 2016: Marine Drugs
https://www.readbyqxmd.com/read/27913961/prediction-of-postoperative-clinical-recovery-of-drop-foot-attributable-to-lumbar-degenerative-diseases-via-a-bayesian-network
#14
Shota Takenaka, Hiroyuki Aono
BACKGROUND: Drop foot resulting from degenerative lumbar diseases can impair activities of daily living. Therefore, predictors of recovery of this symptom have been investigated using univariate or/and multivariate analyses. However, the conclusions have been somewhat controversial. Bayesian network models, which are graphic and intuitive to the clinician, may facilitate understanding of the prognosis of drop foot resulting from degenerative lumbar diseases. QUESTIONS/PURPOSES: (1) To show a layered correlation among predictors of recovery from drop foot resulting from degenerative lumbar diseases; and (2) to develop support tools for clinical decisions to treat drop foot resulting from lumbar degenerative diseases...
December 2, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27913677/phlpping-through-history-a-decade-in-the-life-of-phlpp-phosphatases
#15
REVIEW
Agnieszka T Grzechnik, Alexandra C Newton
In the decade since their discovery, the PH domain leucine-rich repeat protein phosphatases (PHLPP) have emerged as critical regulators of cellular homeostasis, and their dysregulation is associated with various pathophysiologies, ranging from cancer to degenerative diseases, such as diabetes and heart disease. The two PHLPP isozymes, PHLPP1 and PHLPP2, were identified in a search for phosphatases that dephosphorylate Akt, and thus suppress growth factor signaling. However, given that there are over 200 000 phosphorylated residues in a single cell, and fewer than 50 Ser/Thr protein phosphatases, it is not surprising that PHLPP has many other cellular functions yet to be discovered, including a recently identified role in regulating the epigenome...
December 15, 2016: Biochemical Society Transactions
https://www.readbyqxmd.com/read/27913673/structural-insights-into-functional-amyloid-inhibition-in-gram-ve-bacteria
#16
REVIEW
William Hawthorne, Sarah Rouse, Lee Sewell, Stephen J Matthews
Amyloids are proteinaceous aggregates known for their role in debilitating degenerative diseases involving protein dysfunction. Many forms of functional amyloid are also produced in nature and often these systems require careful control of their assembly to avoid the potentially toxic effects. The best-characterised functional amyloid system is the bacterial curli system. Three natural inhibitors of bacterial curli amyloid have been identified and recently characterised structurally. Here, we compare common structural features of CsgC, CsgE and CsgH and discuss the potential implications for general inhibition of amyloid...
December 15, 2016: Biochemical Society Transactions
https://www.readbyqxmd.com/read/27913260/patients-preference-of-the-timed-up-and-go-tug-test-or-patient-reported-outcome-measures-proms-before-and-after-surgery-for-lumbar-degenerative-disc-disease
#17
Holger Joswig, Martin N Stienen, Nicolas R Smoll, Marco V Corniola, Ivan Chau, Karl Schaller, Gerhard Hildebrandt, Oliver P Gautschi
BACKGROUND: The Timed Up and Go (TUG) test, as a measure of objective functional impairment in lumbar degenerative disc disease (DDD), complements patient-reported outcome measures (PROMs) of subjective functional impairment. METHODS: Prospective two-center study on consecutive patients scheduled for surgical treatment for lumbar DDD who underwent an objective (TUG test) and subjective (PROMs) functional assessment before, as well as one and three days after surgery...
November 29, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27911285/the-relation-between-chondromalacia-patella-and-meniscal-tear-and-the-sulcus-angle-trochlear-depth-ratio-as-a-powerful-predictor
#18
Hatice Resorlu, Coskun Zateri, Gurdal Nusran, Ferdi Goksel, Nilufer Aylanc
PURPOSE: To investigate the relation between chondromalacia patella and the sulcus angle/trochlear depth ratio as a marker of trochlear morphology. In addition, we also planned to show the relationship between meniscus damage, subcutaneous adipose tissue thickness as a marker of obesity, patellar tilt angle and chondromalacia patella. METHODS: Patients with trauma, rheumatologic disease, a history of knee surgery and patellar variations such as patella alba and patella baja were excluded...
November 25, 2016: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/27910738/cartilage-repair-in-the-degenerative-ageing-knee
#19
Mats Brittberg, Andreas H Gomoll, José A Canseco, Jack Far, Martin Lind, James Hui
Background and purpose - Cartilage damage can develop due to trauma, resulting in focal chondral or osteochondral defects, or as more diffuse loss of cartilage in a generalized organ disease such as osteoarthritis. A loss of cartilage function and quality is also seen with increasing age. There is a spectrum of diseases ranging from focal cartilage defects with healthy surrounding cartilage to focal lesions in degenerative cartilage, to multiple and diffuse lesions in osteoarthritic cartilage. At the recent Aarhus Regenerative Orthopaedics Symposium (AROS) 2015, regenerative challenges in an ageing population were discussed by clinicians and basic scientists...
December 2, 2016: Acta Orthopaedica
https://www.readbyqxmd.com/read/27908608/a-hospital-based-survey-of-patients-with-severe-valvular-heart-disease-in-china
#20
Po Hu, Xian-Bao Liu, Jie Liang, Qi-Feng Zhu, Chao-Xia Pu, Meng-Yao Tang, Jian-An Wang
OBJECTIVES: Due to increasing aging, the epidemiology of VHD may have changed in China. This study aimed to provide contemporary information on the prevalence, distribution patterns, and etiology of severe VHD in China. METHODS: This was a retrospective survey at Second Affiliated Hospital of Zhejiang University, which included all consecutive patients between 2010 and 2015. RESULTS: In all, 139,496 patients were enrolled. Among severe valve diseases, MR was the most frequent (n=946, 0...
November 25, 2016: International Journal of Cardiology
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