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https://www.readbyqxmd.com/read/28623559/ifn-%C3%AE-induced-reactive-oxygen-species-and-mitochondrial-damage-contribute-to-muscle-impairment-and-inflammation-maintenance-in-dermatomyositis
#1
Alain Meyer, Gilles Laverny, Yves Allenbach, Elise Grelet, Vanessa Ueberschlag, Andoni Echaniz-Laguna, Béatrice Lannes, Ghada Alsaleh, Anne Laure Charles, François Singh, Joffrey Zoll, Evelyne Lonsdorfer, François Maurier, Olivier Boyer, Jacques-Eric Gottenberg, Anne Sophie Nicot, Jocelyn Laporte, Olivier Benveniste, Daniel Metzger, Jean Sibilia, Bernard Geny
Dermatomyositis (DM) is an autoimmune disease associated with enhanced type I interferon (IFN) signalling in skeletal muscle, but the mechanisms underlying muscle dysfunction and inflammation perpetuation remain unknown. Transcriptomic analysis of early untreated DM muscles revealed that the main cluster of down-regulated genes was mitochondria-related. Histochemical, electron microscopy, and in situ oxygraphy analysis showed mitochondrial abnormalities, including increased reactive oxygen species (ROS) production and decreased respiration, which was correlated with low exercise capacities and a type I IFN signature...
June 16, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28612349/role-of-hydrotherapy-in-the-amelioration-of-oxidant-antioxidant-status-in-rheumatoid-arthritis-patients
#2
Somaiya Mateen, Shagufta Moin, Abdul Q Khan, Atif Zafar, Naureen Fatima, Sumayya Shahzad
AIM: Rheumatoid arthritis (RA) is an inflammatory autoimmune disease. Reactive oxygen species (ROS) are involved in the pathophysiology of RA. Moderate intensity exercises have been reported to have anti-oxidant and anti-inflammatory effects. The aim of this study was to evaluate the effect of hydrotherapy on oxidant-antioxidant status in RA patients. METHODS: Forty RA patients and 30 age- and sex-matched healthy controls were included in this study. RA patients were subdivided into two groups: the first group (n = 20) received treatment with conventional RA drugs, while the second group (n = 20) received hydrotherapy along with the conventional drugs for a period of 12 weeks...
June 14, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28584209/analysis-of-closed-claims-in-the-clinical-management-of-rheumatoid-arthritis-in-japan
#3
Yasuhiro Otaki, Makiko DaSilva Ishida, Yuichi Saito, Yasuaki Oyama, Giichiro Oiso, Mitsuru Moriyama
BACKGROUND: Despite an increasing awareness of the risk of medical errors, few data sources are available to highlight the characteristics and patterns of medical errors in the clinical management of rheumatoid arthritis (RA). The present study aimed to evaluate medical malpractice claims associated with the management of RA and other autoimmune connective tissue diseases (ACTDs). METHODS: We analyzed 38 ACTD-associated closed claims extracted from a total of 8530 claims processed between July 2004 and June 2014 by the Tokyo headquarters office of Sompo Japan Nipponkoa Incorporated, a leading malpractice insurer in Japan...
June 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28548588/injection-of-inactive-bordetella-pertussis-and-complete-freund-s-adjuvant-with-torpedo-californica-achr-increases-the-occurrence-of-experimental-autoimmune-myasthenia-gravis-in-c57bl-6-mice
#4
Takahiro Maruta, Minako Oshima, Dennis R Mosier, M Zouhair Atassi
An animal model of myasthenia gravis (MG), termed experimental autoimmune MG (EAMG), is an important tool for investigations of disease mechanisms and/or methods of treatment for this disease. EAMG can be induced in C57BL/6 (B6, H-2(b)) mice by 2-3 times injections at 4 weeks intervals with Torpedo californica (t) acetylcholine receptor (AChR) in complete Freund's adjuvant (CFA). However, the protocol especially with a two-injection schedule occasionally produces a poor incidence of EAMG. We have investigated the efficacy of the additional adjuvant, inactive organisms of Bordetella pertussis (iBP), on the induction with a two-injection schedule...
May 26, 2017: Autoimmunity
https://www.readbyqxmd.com/read/28527262/-autoimmune-encephalitis-associated-to-antibodies-against-the-n-methyl-d-aspartate-receptor-report-of-two-cases
#5
José Bustos, Yasmin Sánchez, Jhon Medina, Rommy Olivieri, Julián Mojica, Johan Ortiz
Anti-N-methyl-D-aspartate receptor encephalitis is a neurological syndrome that is more common in young women and is often associated with ovarian teratoma. It is characterized by acute general unspecific symptoms that evolve to neurological deterioration, psychosis and seizures. In its more advanced stage it is associated with abnormal movements and dysautonomia.We report two cases in women of 23 and 12 years of age. Given its low incidence, we present the clinical exercise that led to their diagnoses and the treatment options employed...
April 1, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28511387/erythrocyte-alloimmunization-and-autoimmunization-among-blood-donors-and-recipients-visiting-a-tertiary-care-hospital
#6
Daljit Kaur, Lovenish Bains, Manoj Kandwal, Indu Parmar
INTRODUCTION: The ultimate aim of pretransfusion testing is the acceptable survival of donor red cells in recipient's body and antibody detection plays a critical role in achieving the same. The cornerstone of antibody detection method is detecting an unexpected antibody as against the expected antibodies of ABO blood group system. Autoantibodies can also interfere with the detection of clinically significant alloantibodies. AIM: To study the frequency of alloantibodies and autoantibodies in the healthy blood donors and patient population visiting our hospital...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28491039/daily-moderate-exercise-is-beneficial-and-social-stress-is-detrimental-to-disease-pathology-in-murine-lupus-nephritis
#7
Saba I Aqel, Jeffrey M Hampton, Michael Bruss, Kendra T Jones, Giancarlo R Valiente, Lai-Chu Wu, Matthew C Young, William L Willis, Stacy Ardoin, Sudha Agarwal, Brad Bolon, Nicole Powell, John Sheridan, Naomi Schlesinger, Wael N Jarjour, Nicholas A Young
Daily moderate exercise (DME) and stress management are underemphasized in the care of patients with lupus nephritis (LN) due to a poor comprehensive understanding of their potential roles in controlling the inflammatory response. To investigate these effects on murine LN, disease progression was monitored with either DME or social disruption stress (SDR) induction in NZM2410/J mice, which spontaneously develop severe, early-onset LN. SDR of previously established social hierarchies was performed daily for 6 days and DME consisted of treadmill walking (8...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28482699/scientific-rationale-for-extrapolation-of-biosimilar-data-across-cancer-indications-case-study-of-ct-p10
#8
Michinori Ogura, Bertrand Coiffier, Hyuk-Chan Kwon, Sang Wook Yoon
For a biosimilar to gain regulatory approval, a comprehensive comparability exercise must demonstrate that it is highly similar to its originator biologic, or reference product. Once biosimilarity has been shown, it is possible to approve the biosimilar for additional indications held by the reference product, without clinical trials in these indications. Extrapolation of clinical data is permitted by regulatory agencies as long as it is scientifically justified. CT-P10, a biosimilar of rituximab, was recently approved in Europe for all indications held by its reference product, incorporating both autoimmune diseases and hematological cancers...
May 2017: Future Oncology
https://www.readbyqxmd.com/read/28478701/exercise-habits-and-factors-associated-with-exercise-in-systemic-sclerosis-a-scleroderma-patient-centered-intervention-network-spin-cohort-study
#9
Marleine Azar, Danielle B Rice, Linda Kwakkenbos, Marie-Eve Carrier, Ian Shrier, Susan J Bartlett, Marie Hudson, Luc Mouthon, Serge Poiraudeau, Cornelia H M van den Ende, Sindhu R Johnson, Tatiana Sofia Rodriguez Reyna, Anne A Schouffoer, Joep Welling, Brett D Thombs
OBJECTIVE: Exercise is associated with improved health in many medical conditions. Little is known about the exercise habits of people with systemic sclerosis (SSc, or scleroderma). This study assessed the proportion of individuals with SSc who exercise and associations of demographic and disease variables with exercise. Additionally, the weekly amount of time spent exercising and the types of exercise performed were assessed among patients exercising. METHODS: The sample consisted of adult participants with SSc enrolled in the Scleroderma Patient-centered Intervention Network (SPIN) Cohort who completed baseline questionnaires from March 2014 through August 2015...
May 8, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28378202/exercise-training-but-not-curcumin-supplementation-decreases-immune-cell-infiltration-in-the-pancreatic-islets-of-a-genetically-susceptible-model-of-type-1-diabetes
#10
Leandro Kansuke Oharomari, Camila de Moraes, Anderson Marliere Navarro
BACKGROUND: The main mechanism involved in the pathogenesis of autoimmunity is an uncontrolled inflammatory response against self-antigens. Therefore, anti-inflammatory factors, such as the intake of bioactive compounds and a physically active lifestyle, may decrease or cease the development of autoimmune diseases. Type 1 diabetes (T1D) is an autoimmune disease characterized by pancreatic β cell destruction. The non-obese diabetic (NOD) mouse is a model of spontaneous T1D and is the model most similar to human disease...
December 2017: Sports Medicine—Open
https://www.readbyqxmd.com/read/28332112/perspectives-on-exertional-rhabdomyolysis
#11
REVIEW
Eric S Rawson, Priscilla M Clarkson, Mark A Tarnopolsky
Exertional (exercise-induced) rhabdomyolysis is a potentially life threatening condition that has been the subject of research, intense discussion, and media attention. The causes of rhabdomyolysis are numerous and can include direct muscle injury, unaccustomed exercise, ischemia, extreme temperatures, electrolyte abnormalities, endocrinologic conditions, genetic disorders, autoimmune disorders, infections, drugs, toxins, and venoms. The objective of this article is to review the literature on exertional rhabdomyolysis, identify precipitating factors, and examine the role of the dietary supplement creatine monohydrate...
March 2017: Sports Medicine
https://www.readbyqxmd.com/read/28284334/voluntary-wheel-running-differentially-affects-disease-outcomes-in-male-and-female-mice-with-experimental-autoimmune-encephalomyelitis
#12
Katherine A Mifflin, Emma Frieser, Curtis Benson, Glen Baker, Bradley J Kerr
Multiple sclerosis (MS) is an inflammatory neurodegenerative disease of the central nervous system. The primary symptoms of MS include the loss of sensory and motor function. Exercise has been shown to modulate disease parameters in experimental autoimmune encephalomyelitis (EAE), a mouse model of MS, by reducing immune cell infiltration and oxidative stress. However, these initial studies were carried out exclusively in female mice. The present study compared the effects of daily voluntary wheel running on several disease parameters in male and female mice with EAE...
April 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28241848/yellow-nail-syndrome-a-review
#13
REVIEW
Stéphane Vignes, Robert Baran
Yellow nail syndrome (YNS; OMIM 153300, ORPHA662) is a very rare disorder that almost always occurs after 50 years of age but a juvenile or familial form has also been observed. YNS is diagnosed based on a triad associating yellow nail discoloration, pulmonary manifestations (chronic cough, bronchiectasia, pleural effusion) and lower limb lymphedema. Chronic sinusitis is frequently associated with the triad. YNS etiology remains unknown but a role of lymphatic impairment is usually evoked. YNS is more frequently isolated but may be associated in rare cases with autoimmune diseases, other clinical manifestations implicating lymphatic functions or cancer and, hence, is also considered a paraneoplastic syndrome...
February 27, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28215060/efficacy-of-aquatic-therapy-for-multiple-sclerosis-a-systematic-review
#14
Iluminada Corvillo, Enrique Varela, Francisco Armijo, Antonio Alvarez-Badillo, Onica Armijo, Francisco Maraver
BACKGROUND: Multiple sclerosis (MS) is a chronic, inflammatory, progressive, disabling autoimmune disease affecting the central nervous system. Symptoms and signs of MS vary widely and patients may lose their ability to walk. To date the benefits of aquatic therapy often used for rehabilitation in MS patients have not been reviewed. OBJECTIVE: To systematically review the current state of aquatic treatment for persons with MS (hydrotherapy, aquatic therapy, aquatic exercises, spa therapy) and to evaluate the scientific evidence supporting the benefits of this therapeutic option...
February 17, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28154343/surgical-outcome-of-cerebral-aneurysm-clipping-treated-with-immunosuppressants-report-of-11-cases-and-review-of-the-literature
#15
Masaaki Hokari, Naoki Nakayama, Ken Kazumata, Toshiya Osanai, Hideo Shichinohe, Takeo Abumiya, Kiyohiro Houkin
There are no reports on the outcomes of clippings in patients who receive immunosuppressants, for example, due to connective tissue diseases or following organ transplantation. We thoroughly reviewed these cases focusing on the perioperative management phase. The study included 11 patients with intracranial aneurysms who were taking immunosuppressants; between 2007 and 2014. We performed 12 clipping surgeries. Their clinical records were reviewed for age and gender, aneurysms' location and size, perioperative management of the immunosuppressive drugs, and surgical complications...
March 15, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28108255/regular-exercise-promotes-memory-function-and-enhances-hippocampal-neuroplasticity-in-experimental-autoimmune-encephalomyelitis-mice
#16
Tae-Woon Kim, Yun-Hee Sung
Multiple sclerosis (MS) is a progressive condition affecting the central nervous system (CNS), and is characterized by the development of demyelinated lesions and plaques in the brain and spinal cord. Exercise is beneficial against dementia in elderly patients, so we investigated the effects of exercise on memory in relation to hippocampal demyelination and neuroplasticity in a mouse model of MS (experimental autoimmune encephalomyelitis [EAE]). Mice were randomly divided into three groups: Sham, EAE, and EAE and exercise (EAE+EX)...
January 17, 2017: Neuroscience
https://www.readbyqxmd.com/read/28105286/discovery-of-a-potent-selective-and-orally-available-pi3k%C3%AE-inhibitor-for-the-treatment-of-inflammatory-diseases
#17
Montse Erra, Joan Taltavull, Angelique Gréco, Francisco Javier Bernal, Juan Francisco Caturla, Jordi Gràcia, María Domínguez, Mar Sabaté, Stéphane Paris, Salomé Soria, Begoña Hernández, Clara Armengol, Judit Cabedo, Mónica Bravo, Elena Calama, Montserrat Miralpeix, Martin D Lehner
The delta isoform of the phosphatidylinositol 3-kinase (PI3Kδ) has been shown to have an essential role in specific immune cell functions and thus represents a potential therapeutic target for autoimmune and inflammatory diseases. Herein, the optimization of a series of pyrrolotriazinones as potent and selective PI3Kδ inhibitors is described. The main challenge of the optimization process was to identify an orally available compound with a good pharmacokinetic profile in preclinical species that predicted a suitable dosing regimen in humans...
January 12, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28018840/hand-impairment-in-systemic-sclerosis-various-manifestations-and-currently-available-treatment
#18
Amber Young, Rajaie Namas, Carole Dodge, Dinesh Khanna
Systemic sclerosis (SSc) is an autoimmune disease initially recognized by hand involvement due to characteristic Raynaud's phenomenon (RP), puffy hands, skin thickening, and contractures resembling claw deformities. SSc contributes to hand impairment through inflammatory arthritis, joint contractures, tendon friction rubs (TFRs), RP, digital ulcers (DU), puffy hands, skin sclerosis, acro-osteolysis, and calcinosis. These manifestations, which often co-exist, can contribute to difficulty with occupational activities and activities of daily living (ADL), which can result in impaired quality of life...
September 2016: Current Treatment Options in Rheumatology
https://www.readbyqxmd.com/read/28002728/expanding-the-immunology-toolbox-embracing-public-data-reuse-and-crowdsourcing
#19
REVIEW
Rachel Sparks, William W Lau, John S Tsang
New technologies have been propelling dramatic increases in the volume and diversity of large-scale public data, which can potentially be reused to answer questions beyond those originally envisioned. However, this often requires computational and statistical skills beyond the reach of most bench scientists. The development of educational and accessible computational tools is thus critical, as are crowdsourcing efforts that utilize the community's expertise to curate public data for hypothesis generation and testing...
December 20, 2016: Immunity
https://www.readbyqxmd.com/read/27996221/the-practice-of-physical-activity-and-cryotherapy-in-rheumatoid-arthritis-systematic-review
#20
Daniele Peres, Yoshimasa Sagawa, Benoit Dugué, Susana C Domenech, Nicolas Tordi, Clement Prati
INTRODUCTION: Rheumatoid arthritis (RA) is an autoimmune, chronic and inflammatory disease, which the affected patients present a higher cardiovascular mortality rate. Physical Activities (PA) have been identified as the most important strategy to prevent cardiovascular diseases. However, the articular damage and the chronic pain caused by RA challenges its regular practice. Moreover, persons with RA tend to avoid PA due to the fear of exacerbating the inflammatory potential and pain...
December 19, 2016: European Journal of Physical and Rehabilitation Medicine
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