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https://www.readbyqxmd.com/read/28822015/experimental-periodontitis-in-the-potentialization-of-the-effects-of-immobilism-in-the-skeletal-striated-muscle
#1
Marcela Aparecida Leite, Tatiane Morgenstern de Mattia, Camila Mayumi Martin Kakihata, Bruna Martinazzo Bortolini, Pedro Henrique de Carli Rodrigues, Gladson Ricardo Flor Bertolini, Rose Meire Costa Brancalhão, Lucinéia de Fátima Chasko Ribeiro, Carlos Augusto Nassar, Patrícia Oehlmeyer Nassar
This study aims to evaluate if ligature-induced periodontitis can potentiates the deleterious effects of immobilization in the skeletal striated muscle, contributing to the development of muscle atrophy due to disuse. Forty Wistar rats were divided into four groups: (1) Control Group (CG), (2) Periodontal Disease (PDG), (3) Immobilized (IG), and (4) Immobilized with Periodontal Disease (IPDG). Periodontal disease was induced for 30 days, with ligature method, and the immobilization was performed with cast bandage for 15 days...
August 18, 2017: Inflammation
https://www.readbyqxmd.com/read/28818881/selexipag-for-the-treatment-of-connective-tissue-disease-associated-pulmonary-arterial-hypertension
#2
Sean Gaine, Kelly Chin, Gerry Coghlan, Richard Channick, Lilla Di Scala, Nazzareno Galiè, Hossein-Ardeschir Ghofrani, Irene M Lang, Vallerie McLaughlin, Ralph Preiss, Lewis J Rubin, Gérald Simonneau, Olivier Sitbon, Victor F Tapson, Marius M Hoeper
Patients with connective tissue disease-associated pulmonary arterial hypertension (PAH-CTD) have a poor prognosis compared with other aetiologies. The underlying CTD can influence treatment response and outcomes. We characterised the GRIPHON study PAH-CTD subgroup and evaluated response to selexipag.Of 334 patients with PAH-CTD, PAH was associated with systemic sclerosis (PAH-SSc) in 170, systemic lupus erythematosus (PAH-SLE) in 82 and mixed CTD/CTD-other in 82. For the primary composite endpoint of morbidity/mortality, hazard ratios (HR) and 95% CI were calculated using Cox proportional hazard models...
August 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28817964/understanding-coping-strategies-among-people-living-with-scleroderma-a-focus-group-study
#3
Stephanie T Gumuchian, Sandra Peláez, Vanessa C Delisle, Marie-Eve Carrier, Lisa R Jewett, Ghassan El-Baalbaki, Catherine Fortune, Marie Hudson, Annett Körner, Linda Kwakkenbos, Susan J Bartlett, Brett D Thombs
PURPOSE: Systemic sclerosis or scleroderma is a chronic, rare connective tissue disease with negative physical and psychological implications. Coping strategies used by scleroderma patients have not been studied in-depth. The objective of the present study was to gain a greater understanding of the coping strategies employed by people living with scleroderma. METHOD: Three semi-structured focus group discussions were conducted with a total of 22 people with scleroderma...
August 17, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28816943/spinal-cord-compression-syndrome-caused-by-intraspinal-epidural-fibrous-cord-three-case-reports
#4
Yingjie Zhou, Xubin Chai, Huailiang Zheng, Renqian Song, Xiaofei Qin
RATIONALE: The spinal cord compression caused by intraspinal epidural fibrous cord. PATIENT CONCERNS: All patients in this study had spinal cord compression syndrome caused by an intraspinal epidural fibrous cord, manifested as abnormally increased epidural adipose tissue by imaging. DIAGNOSE: These abnormal fibrous connective tissue strips were not identical to the known pathological tissue such as "meningovertebral ligament." Instead, it might be a novel pathogenic cause for the spinal cord compression...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816740/the-value-of-direct-immunofluorescence-on-proteinase-digested-formalin-fixed-paraffin-embedded-skin-biopsies
#5
Aida Valencia-Guerrero, April Deng, Karen Dresser, Gail Bouliane, Kristine M Cornejo
Direct immunofluorescence (DIF) on frozen tissue (DIF-F) is the method of choice for the identification of immune deposits present in skin and other tissues. DIF can also be performed on formalin-fixed paraffin-embedded tissue (DIF-P) after antigen retrieval with proteases and has proven to be of value in renal pathology. However, its utility in skin biopsies has not been fully examined. In this study, we performed DIF-P on 60 skin biopsies that comprised of bullous pemphigoid (n = 18), pemphigoid gestationis (n = 1), pemphigus (n = 7), linear IgA disease (n = 7), vasculitis (n = 20), lupus erythematosus (n = 3), and dermatitis herpetiformis (n = 4) cases...
August 9, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28815607/a-3d-tri-culture-system-reveals-that-activin-receptor-like-kinase-5-and-connective-tissue-growth-factor-drive-human-glomerulosclerosis
#6
John P Waters, Yvonne C Richards, Jeremy N Skepper, Mark Southwood, Paul D Upton, Nicholas W Morrell, Jordan S Pober, John R Bradley
Glomerular scarring, known as glomerulosclerosis, occurs in many chronic kidney diseases and involves interaction between glomerular endothelial cells (GEC), podocytes and mesangial cells (MCs), leading to signals that promote extracellular matrix deposition and endothelial cell dysfunction and loss. We describe a 3D tri-culture system to model human glomerulosclerosis. In 3D monoculture, each cell type alters its phenotype in response to TGFβ, which has been implicated as an important mediator of glomerulosclerosis...
August 16, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28814849/tiotropium-bromide-exerts-anti-inflammatory-effects-during-resistive-breathing-an-experimental-model-of-severe-airway-obstruction
#7
Dimitrios Toumpanakis, Konstantinos Loverdos, Vassiliki Tzouda, Vyronia Vassilakopoulou, Eleni Litsiou, Christina Magkou, Vassiliki Karavana, Michael Pieper, Theodoros Vassilakopoulos
INTRODUCTION: Resistive breathing (RB), a hallmark of obstructive airway diseases, is characterized by strenuous contractions of the inspiratory muscles that impose increased mechanical stress on the lung. RB is shown to induce pulmonary inflammation in previous healthy animals. Tiotropium bromide, an anticholinergic bronchodilator, is also shown to exert anti-inflammatory effects. The effect of tiotropium on RB-induced pulmonary inflammation is unknown. METHODS: Adult rats were anesthetized, tracheostomized and breathed spontaneously through a two-way non-rebreathing valve...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28814359/the-risk-of-autoimmune-connective-tissue-diseases-in-patients-with-atopy-a-nationwide-population-based-cohort-study
#8
Yi-Chun Hou, Hsiao-Yun Hu, I-Lin Liu, Yun-Ting Chang, Chen-Yi Wu
BACKGROUND: The relationship between autoimmune connective tissue disease (ACTD) and atopy is controversial. OBJECTIVES: To investigate the risks of ACTDs in patients with atopic triad diseases, including atopic dermatitis, allergic rhinitis, and asthma, by using a nationwide data base. METHODS: A cohort of 155,311 patients newly diagnosed with atopic dermatitis, allergic rhinitis, or asthma in 2002-2011 was obtained from the Taiwan National Health Insurance Research Database...
September 1, 2017: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/28814297/genotyping-and-comparative-pathology-of-spirocerca-in-black-backed-jackals-canis-mesomelas-in-south-africa
#9
M M Bumby, M C Williams, J C A Steyl, R Harrison-White, H Lutermann, G T Fosgate, P J de Waal, J Mitha, S J Clift
BACKGROUND: The pathology of spirocercosis, a disease caused by the infestation of carnivores with the nematode Spirocerca lupi, has been extensively described in domestic dogs and coyotes. However, it has not been described in wild carnivores in South Africa. The aim of this study was to evaluate whether black-backed jackals are a host for Spirocerca species and to provide a detailed description of the associated pathology. Jackals were also stratified according to age and the Spirocerca species recovered were characterized using molecular techniques...
August 16, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28813744/alkaptonuria-a-case-report-with-diagnostic-challenge
#10
Vasantha L Gali, Amy M Kerkvliet, Jacob M Kusmak, Jana K Elwood
Alkaptonuria is a rare autosomal recessive metabolic disorder caused by deficiency of homogentisic acid (HGA) oxidase, the only enzyme capable of catabolizing HGA. Deficiency of this enzyme leads to excess HGA which deposits in the connective tissue. We present a case of a 64-year-old woman who was referred to the dermatology clinic for a full body mole check and skin cancer screening. Clinically she had blue/gray pigmentation of the external ear and sclera. Also she had a domed papule on the left cheek with punctate gray pigmentation which was biopsied...
August 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28811299/twenty-years-of-menin-emerging-opportunities-for-restoration-of-transcription-in-men1
#11
Koen M A Dreijerink, Marc Timmers, Myles Brown
Since the discovery of the multiple endocrine neoplasia type 1 (MEN1) gene in 1997, elucidation of the molecular function of its protein product, menin, has been a challenge. Biochemical, proteomics, genetics and genomics approaches have identified various potential roles, which converge on gene expression regulation. The most consistent findings show that menin connects transcription factors and chromatin modifying enzymes, in particular the histone H3K4 methyltransferase complexes MLL1 and MLL2. Chromatin immunoprecipitation combined with next generation sequencing has enabled studying genome-wide dynamics of chromatin binding by menin...
August 15, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28811201/the-unmet-need-in-rheumatology-reports-from-the-targeted-therapies-meeting-2017
#12
Kevin L Winthrop, Vibeke Strand, Désirée van der Heijde, Philip Mease, Mary Crow, Michael Weinblatt, Joan Bathon, Gerd R Burmester, Maxime Dougados, Johnathan Kay, Xavier Mariette, Ronald Van Vollenhoven, Joachim Sieper, Fritz Melchers, Ferdinand C Breedfeld, Joachim Kalden, Josef S Smolen, Daniel E Furst
The 19th annual international Targeted Therapies meeting brought together over 100 leading basic scientists and clinical researchers from around the world in the field of immunology, molecular biology and rheumatology and other specialties. During the meeting, breakout sessions were held consisting of 5 disease-specific groups with 20-40 experts assigned to each group based on clinical or scientific expertise. Specific groups included: rheumatoid arthritis, psoriatic arthritis, axial spondyloarthritis, systemic lupus erythematous, connective tissue diseases (e...
August 12, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28811075/regulatory-t-cell-deficient-scurfy-mice-exhibit-a-th2-m2-like-inflammatory-response-in-the-skin
#13
Stefanie Haeberle, Verena Raker, Jessica Haub, Yong O Kim, Shih-Yen Weng, Osman K Yilmaz, Alexander Enk, Kerstin Steinbrink, Detlef Schuppan, Eva N Hadaschik
BACKGROUND: Scurfy mice have a functional defect in regulatory T cells (Treg), which leads to lethal multi-organ inflammation. The missing Treg function results in uncontrolled autoimmune cellular and humoral inflammatory responses. We and others have previously shown that during the course of disease scurfy mice develop severe skin inflammation and autoantibodies including anti-nuclear autoantibodies (ANA). OBJECTIVE: Autoimmune skin inflammation and ANA are hallmarks for the diagnosis of autoimmune connective tissue diseases; therefore we analyzed scurfy mice for typical signs of these diseases...
July 13, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28810910/comprehensive-evaluation-of-gene-expression-signatures-in-response-to-electroacupuncture-stimulation-at-zusanli-st36-acupoint-by-transcriptomic-analysis
#14
Jing-Shan Wu, Hsin-Yi Lo, Chia-Cheng Li, Feng-Yuan Chen, Chien-Yun Hsiang, Tin-Yun Ho
BACKGROUND: Electroacupuncture (EA) has been applied to treat and prevent diseases for years. However, molecular events happened in both the acupunctured site and the internal organs after EA stimulation have not been clarified. METHODS: Here we applied transcriptomic analysis to explore the gene expression signatures after EA stimulation. Mice were applied EA stimulation at ST36 for 15 min and nine tissues were collected three hours later for microarray analysis...
August 15, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28808903/clinical-outcomes-of-aortic-repair-in-young-adult-patients-with-acta2-mutations
#15
Yoshimasa Seike, Kenji Minatoya, Hiroaki Sasaki, Hiroshi Tanaka, Tatsuya Itonaga, Yosuke Inoue, Hiroko Morisaki, Takayuki Morisaki, Hatsue Ishibashi-Ueda, Junjiro Kobayashi
OBJECTIVES: Actin, alpha-2, smooth muscle, aorta (ACTA2) mutations are one of the major causes of familial thoracic aortic aneurysms and dissections. The aim of this study was to review our clinical results of young adult patients with aortic disease caused by ACTA2 mutations. METHODS: We reviewed the medical records of 251 patients (<50 years old) who underwent surgery for thoracic aortic diseases between 2004 and 2014. Among them, nine patients (3.5%) had ACTA2 mutations...
August 14, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28808514/nodular-pulmonary-amyloidosis-with-primary-pulmonary-malt-lymphoma-masquerading-as-metastatic-lung-disease
#16
Sunil Upadhaya, Mohd Baig, Basim Towfiq, Samer Al Hadidi
Nodular pulmonary amyloidosis is a very rare form of localized amyloidosis involving the lung, with very little known about its nature. It is usually associated with indolent B cell lymphoproliferative disorder and also connective tissue disorders. No definite treatment guideline exists. Many patients respond to chemotherapy with low risk of progression and a 'wait and watch' strategy is also considered a valid treatment option. In this report the authors present a case of nodular pulmonary amyloidosis with pulmonary mucosa associated lymphoid tissue (MALT) lymphoma that presented with features of metastatic malignant disease and after definitive diagnosis decided not to undergo treatment...
July 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/28808201/thalamic-paramagnetic-iron-by-t2-relaxometry-correlates-with-severity-of-multiple-sclerosis
#17
Eva Baranovicova, Ema Kantorova, Dagmar Kalenska, Lucia Lichardusova, Michal Bittsan-Sky, Dusan Dobrota
Iron can contribute to the pathogenesis and progression of multiple sclerosis (MS) due to its accumulation in the human brain. We focus on the thalamus as an information transmitter between various subcortical and cortical areas. Thalamic iron seems to follow different rules than iron in other deep gray matter structures and its relation to the clinical outcomes of MS is still indistinct. In our study, we investigated a connection between thalamic iron and patients' disability and course of the disease. The presence of paramagnetic substances in the tissues was tracked by T2* quantification...
July 13, 2017: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28807595/sphingosine-kinase-2-deficiency-ameliorates-kidney-fibrosis-by-up-regulating-smad7-in-a-mouse-model-of-unilateral-ureteral-obstruction
#18
Stephanie Schwalm, Sandra Beyer, Helena Frey, Riad Haceni, Georgios Grammatikos, Dominique Thomas, Gerd Geisslinger, Liliana Schaefer, Andrea Huwiler, Josef Pfeilschifter
Kidney fibrosis is a hallmark of chronic kidney disease and leads to extracellular matrix accumulation, organ scarring, and loss of kidney function. In this study, we investigated the role of sphingosine kinase-2 (SPHK2) on the progression of tubular fibrosis by utilizing a mouse unilateral ureteral obstruction (UUO) model. We found that SPHK2 protein and activity are up-regulated in fibrotic renal tissue. Functionally, Sphk2 deficient (Sphk2(-/-)) mice showed an attenuated fibrotic response to UUO compared to wild-type mice as demonstrated by reduced collagen abundance and decreased expression of fibronectin-1, collagen I, α-smooth muscle actin, connective tissue growth factor (CTGF), and plasminogen activator inhibitor (PAI-1)...
August 11, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28807155/effects-of-lycium-barbarum-on-the-visual-system
#19
Abby L Manthey, Kin Chiu, Kwok-Fai So
Lycium barbarum (wolfberry, gogi berry, gouqizi, ) is one of the most widely used Chinese herbal medicines (CHMs) and is also one of the most scientifically studied. Indeed, the polysaccharide component of this berry (LBP) has been shown to have antioxidant, antiinflammatory, antiexcitotoxic, and antiapoptotic properties. These properties make it a particularly useful treatment option for the ocular environment. Although there are a handful of studies investigating the use of LBP to treat diseases affecting the lens, the vast majority of the published literature investigating LBP in the visual system focus on the retina...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28807021/serological-and-morphological-prognostic-factors-in-patients-with-interstitial-pneumonia-with-autoimmune-features
#20
Yuhei Ito, Machiko Arita, Shogo Kumagai, Reoto Takei, Maki Noyama, Fumiaki Tokioka, Keisuke Nishimura, Takashi Koyama, Kenji Notohara, Tadashi Ishida
BACKGROUND: To identify the prognostic factors for survival in patients with interstitial pneumonia with autoimmune features (IPAF) who meet the serological domain of the IPAF criteria. METHODS: We retrospectively analysed 99 IPAF patients who met the serological domain and were hospitalised at the Respiratory Medicine Unit of Kurashiki Central Hospital from 1999 to 2015. The high-resolution computed tomography findings were usual interstitial pneumonia (UIP; n = 1), non-specific interstitial pneumonia (NSIP; n = 63), NSIP with organizing pneumonia (OP) overlap (n = 15), and OP (n = 20)...
August 14, 2017: BMC Pulmonary Medicine
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