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https://www.readbyqxmd.com/read/29778965/metal-hypersensitivity-in-the-context-of-connective-tissue-disease-an-opportunity-for-practice-prevention
#1
Jack Ρ Guccione, Sharon E Jacob
Metal hypersensitivity reactions (MHR) are not associated with metal containing orthodontic implants unless there is a positive history of dermatitis from a high nickel-release item (piercing post, earring, watch). We wish to present this letter to highlight evidence surrounding orthodontic-related nickel hypersensitivity and to bring to the readers attention current American Contact Dermatitis Society (ACDS) guidelines that endorse the importance of addressing metal hypersensitivity reactions in the setting of implantable dental devices...
May 17, 2018: Environmental Research
https://www.readbyqxmd.com/read/29778758/major-traits-of-the-senescent-phenotype-of-nucleus-pulposus-intervertebral-disc-cells-persist-under-the-specific-microenvironmental-conditions-of-the-tissue
#2
Anastasios Kouroumalis, Eleni Mavrogonatou, Olga D Savvidou, Panayiotis J Papagelopoulos, Harris Pratsinis, Dimitris Kletsas
Intervertebral discs (IVDs) are the joints of the spine, mainly consisting of extracellular matrix (ECM) with a low number of cells embedded therein. Low cellularity stems from nutrient deprivation due to the lack of blood supply, as well as from the hypoxic and hyperosmotic conditions prevailing in the tissue. Intervertebral disc degeneration (IDD) has been firmly connected with low back pain, a major age-related disease, whereas degenerated discs have been characterized by increased proteolytic activity and accumulation of senescent cells...
May 17, 2018: Mechanisms of Ageing and Development
https://www.readbyqxmd.com/read/29777409/hemodynamic-heterogeneity-of-connective-tissue-disease-patients-with-borderline-mean-pulmonary-artery-pressure-and-its-distinctive-characters-from-those-with-normal-pulmonary-artery-pressure-a-retrospective-study
#3
Yusa Asari, Yoshioki Yamasaki, Kosei Tsuchida, Kengo Suzuki, Yoshihiro J Akashi, Takahiro Okazaki, Shoichi Ozaki, Hidehiro Yamada, Kimito Kawahata
To clarify whether patients with connective tissue disease (CTD)-associated borderline mean pulmonary artery pressure (mPAP) have distinctive hemodynamic characteristics from those with normal mPAP and whether pathogenesis is as heterogeneous as manifest pulmonary hypertension (PH). Seventy-five CTD patients who underwent right heart catheterization (RHC) from 2008 through 2016 were retrospectively analyzed. We compared between-group differences in clinical and hemodynamic findings: normal mPAP (n = 35), borderline mPAP (n = 15), and PH (n = 25)...
May 18, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29776440/radiological-pleuroparenchymal-fibroelastosis-associated-to-limited-cutaneous-systemic-sclerosis-a-case-report
#4
D Hassoun, S Dirou, P P Arrigoni, C Durant, M Hamidou, A Néel, C Agard
BACKGROUND: Pleuroparenchymal fibroelastosis (PPFE) is a very rare interstitial lung disease (ILD) characterized by progressive fibrotic lesions of the visceral pleura and the sub-pleural parenchyma, affecting predominantly the upper lobes. PPFE may occur in different contextes like bone marrow or lung transplantations, but also in the context of telomeropathy with mutations of telomerase reverse transcriptase (TERT), telomerase RNA component (TERC) or regulator of telomere elongation helicase 1 (RTEL1) genes...
May 18, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29775011/-hyper-ige-syndromes
#5
REVIEW
Y Y He, B Liu, X P Xiao
A hyper-IgE syndrome is a rare immunodeficiesncy disease, often accompanied by high serum IgE. It often characterized by facial features, repeated skin infections, eczema and pulmonary infection, including autosomal dominant HIES (AD-HIES) and autosomal recessive HIES (AR-HIES). AR-HIES is caused by mutations in STAT3, which is presented as connective tissue, bone, vascular disease, and high brain white matter signal. AD-HIES is mainly caused by mutations in DOCK8 and TYK2, which is presented as severe viral infection and poor prognosis...
June 5, 2017: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29774953/dermoscopic-patterns-of-filiform-papillae-of-the-tongue-in-patients-with-and-without-connective-tissue-autoimmune-diseases
#6
José Manuel Díaz-González, María E Vega-Memije, Adalberto Mosqueda-Taylor, Víctor Noé García-Edgar, Juan Carlos Cuevas-González
BACKGROUND: Connective tissue autoimmune diseases (CTADs) constitute a group of conditions, including rheumatoid arthritis; systemic lupus erythematosus; mixed connective tissue disease; calcinosis, Raynaud's phenomenon, esophageal dysmotility, sclerodactyly, and telangiectasia (CREST) syndrome; scleroderma; dermatomyositis; and Sjögren syndrome. There are few studies on the alterations in filiform papillae in CTAD. Thus, the objective of this work was to determine whether there are changes in the macroscopic and dermoscopic patterns of filiform papillae...
May 18, 2018: International Journal of Dermatology
https://www.readbyqxmd.com/read/29773465/pulmonary-manifestations-in-systemic-lupus-erythematosus-pleural-involvement-acute-pneumonitis-chronic-interstitial-lung-disease-and-diffuse-alveolar-hemorrhage
#7
Georgina Aguilera-Pickens, Carlos Abud-Mendoza
Systemic lupus erythematosus is the diffuse autoimmune connective tissue disease that most frequently involves pulmonary involvement, affecting 20% of 90% of the patients. The percentage varies depending on the defining criteria (symptoms, pulmonary tests or histopathological studies). At least once during the disease course, 50% of those affected have pleural and/or pulmonary manifestations, which are associated with higher morbidity and mortality. Pulmonary involvement has no correlation with lupus activity biomarkers, and it is necessary to rule out infectious processes in the initial approach...
May 14, 2018: Reumatología Clinica
https://www.readbyqxmd.com/read/29772963/simplifying-skin-disease-diagnosis-with-topical-nanotechnology
#8
David C Yeo, Chenjie Xu
A new study published in the journal Nature Biomedical Engineering1 documents a novel diagnostic technology that exploits topically applied nanotechnology to detect skin tissue biomarkers for diagnosis. This concept is demonstrated by noninvasively imaging connective tissue growth factor (CTGF) mRNA in abnormal scar cells, whole tissue, and animal models. In this commentary, we highlight the main findings and discuss their implications. Successful implementation in the clinic could give rise to self-applied, biopsy-free diagnostic technology and significantly reduce healthcare burden...
May 1, 2018: SLAS Technology
https://www.readbyqxmd.com/read/29772616/-recurrent-urothelial-carcinoma-in-the-uretero-vesical-junction-treated-with-partial-ureterectomy-and-ureteroneocystostomy-during-long-term-follow-up-a-case-report
#9
Soichiro Shimura, Kazumasa Matsumoto, Ken-Ichi Tabata, Tetsuo Fujita, Masatsugu Iwamura
A 54-year-old woman who had been treated with transurethral resection of bladder tumor for nonmuscle invasive urothelial carcinoma approximately nine years before presented with gross hematuria. Cystoscopy demonstrated a papillary tumor at the left side of the ureteral orifice. Magnetic resonance imaging showed a 1.3 cm non-muscle invasive lesion in the lower ureter from the ureteral orifice. She suffered from connective tissue disease treated with steroids. To avoid renal failure, we performed partial ureterectomy and ureteroneocystostomy...
April 2018: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/29770238/charlson-comorbidity-index-as-a-predictor-of-periodontal-disease-in-elderly-participants
#10
Jae-Hong Lee, Jung-Kyu Choi, Seong-Nyum Jeong, Seong-Ho Choi
Purpose: This study investigated the validity of the Charlson comorbidity index (CCI) as a predictor of periodontal disease (PD) over a 12-year period. Methods: Nationwide representative samples of 149,785 adults aged ≥60 years with PD (International Classification of Disease, 10th revision [ICD-10], K052-K056) were derived from the National Health Insurance Service-Elderly Cohort during 2002-2013. The degree of comorbidity was measured using the CCI (grade 0-6), including 17 diseases weighted on the basis of their association with mortality, and data were analyzed using multivariate Cox proportional-hazards regression in order to investigate the associations of comorbid diseases (CDs) with PD...
April 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29769017/a-cross-sectional-investigation-of-the-health-needs-of-asylum-seekers-in-a-refugee-clinic-in-germany
#11
Laura F Goodman, Guy W Jensen, Joseph M Galante, Diana L Farmer, Stephanie Taché
BACKGROUND: Over one million asylum seekers were registered in Germany in 2016, most from Syria and Afghanistan. The Refugee Convention guarantees access to healthcare, however delivery mechanisms remain heterogeneous. There is an urgent need for more data describing the health conditions of asylum seekers to guide best practices for healthcare delivery. In this study, we describe the state of health of asylum seekers presenting to a multi-specialty primary care refugee clinic. METHODS: Demographic and medical diagnosis data were extracted from the electronic medical records of patients seen at the ambulatory refugee clinic in Dresden, Germany between 15 September 2015 and 31 December 2016...
May 16, 2018: BMC Family Practice
https://www.readbyqxmd.com/read/29768974/brain-phospholipid-precursors-administered-post-injury-reduce-tissue-damage-and-improve-neurological-outcome-in-experimental-traumatic-brain-injury
#12
Orli Thau-Zuchman, Rita Noutel Gomes, Simon Christopher Dyall, Meirion Davis, John V Priestley, Martine Groenendijk, Martijn DE Wilde, Jordi Lopez-Tremoleda, Adina T Michael-Titus
Traumatic brain injury (TBI) leads to cellular loss, destabilisation of membranes, disruption of synapses and altered brain connectivity, and increased risk of neurodegenerative disease. A significant and long-lasting decrease in phospholipids (PL), essential membrane constituents, has recently been reported in plasma and brain tissue, in human and experimental TBI. We hypothesised that supporting PL synthesis post-injury could improve outcome after TBI. We tested this hypothesis using a multi-nutrient combination designed to support the biosynthesis of phospholipids and available for clinical use...
May 17, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29768179/intestinal-epithelial-wnt-signaling-mediates-acetylcholine-triggered-host-defense-against-infection
#13
Sid Ahmed Labed, Khursheed A Wani, Sakthimala Jagadeesan, Abdul Hakkim, Mehran Najibi, Javier Elbio Irazoqui
Regulated antimicrobial peptide expression in the intestinal epithelium is key to defense against infection and to microbiota homeostasis. Understanding the mechanisms that regulate such expression is necessary for understanding immune homeostasis and inflammatory disease and for developing safe and effective therapies. We used Caenorhabditis elegans in a preclinical approach to discover mechanisms of antimicrobial gene expression control in the intestinal epithelium. We found an unexpected role for the cholinergic nervous system...
May 15, 2018: Immunity
https://www.readbyqxmd.com/read/29766941/idiopathic-inflammatory-myopathies-in-adults-a-comparative-study-of-bohan-and-peter-and-european-neuromuscular-center-2004-criteria
#14
Sundaram Challa, Saumya Jakati, Megha S Uppin, Meena A Kannan, Rajasekhar Liza, M K Murthy Jagarlapudi
Background: Bohan and Peter criteria are widely used for the diagnosis of idiopathic inflammatory myopathies (IIMs). Recently, European Neuromuscular Center (ENMC) formulated criteria to identify subgroups of IIMs. Aim: To compare the two diagnostic criteria in adult IIMs. Materials and Methods: This was a retrospective review of case records of histologically confirmed IIMs in adults between January 2014 and May 2015. Both the Bohan and Peter, and ENMC 2004 criteria were applied in the same group of patients to subgroup the IIMs...
May 2018: Neurology India
https://www.readbyqxmd.com/read/29762936/bentall%C3%A2-s-procedure-in-pediatric-mixed-connective-tissue-disease-syndrome-management-of-pediatric-aortic-aneurysm-a-brief-review
#15
Krithika Ramaprabhu, Om Prakash, Noveen Davidson, Sanjay Bhalero, Satish Radhakrishnan, Robert Coelho
Mixed connective tissue disease (MCTD) syndrome in children may lead to large aortic aneurysms, which in turn pose a difficult surgical problem. Valve-sparing root replacement is not always a viable option as the disease process invariably affects the aortic valve leaflets. Among pediatric patients, the Ross procedure is contraindicated on account of weakness of the pulmonary root, while Bentall surgery is the 'gold standard' treatment of aortic aneurysm, with reproducible and excellent long-term results. The case is presented of a three-year-old girl with a large thoracic aortic aneurysm in whom Bentall's surgery was performed, with a good result...
September 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/29760442/cross-ancestry-genome-wide-association-analysis-of-corneal-thickness-strengthens-link-between-complex-and-mendelian-eye-diseases
#16
Adriana I Iglesias, Aniket Mishra, Veronique Vitart, Yelena Bykhovskaya, René Höhn, Henriët Springelkamp, Gabriel Cuellar-Partida, Puya Gharahkhani, Jessica N Cooke Bailey, Colin E Willoughby, Xiaohui Li, Seyhan Yazar, Abhishek Nag, Anthony P Khawaja, Ozren Polašek, David Siscovick, Paul Mitchell, Yih Chung Tham, Jonathan L Haines, Lisa S Kearns, Caroline Hayward, Yuan Shi, Elisabeth M van Leeuwen, Kent D Taylor, Pieter Bonnemaijer, Jerome I Rotter, Nicholas G Martin, Tanja Zeller, Richard A Mills, Sandra E Staffieri, Jost B Jonas, Irene Schmidtmann, Thibaud Boutin, Jae H Kang, Sionne E M Lucas, Tien Yin Wong, Manfred E Beutel, James F Wilson, André G Uitterlinden, Eranga N Vithana, Paul J Foster, Pirro G Hysi, Alex W Hewitt, Chiea Chuen Khor, Louis R Pasquale, Grant W Montgomery, Caroline C W Klaver, Tin Aung, Norbert Pfeiffer, David A Mackey, Christopher J Hammond, Ching-Yu Cheng, Jamie E Craig, Yaron S Rabinowitz, Janey L Wiggs, Kathryn P Burdon, Cornelia M van Duijn, Stuart MacGregor
Central corneal thickness (CCT) is a highly heritable trait associated with complex eye diseases such as keratoconus and glaucoma. We perform a genome-wide association meta-analysis of CCT and identify 19 novel regions. In addition to adding support for known connective tissue-related pathways, pathway analyses uncover previously unreported gene sets. Remarkably, >20% of the CCT-loci are near or within Mendelian disorder genes. These included FBN1, ADAMTS2 and TGFB2 which associate with connective tissue disorders (Marfan, Ehlers-Danlos and Loeys-Dietz syndromes), and the LUM-DCN-KERA gene complex involved in myopia, corneal dystrophies and cornea plana...
May 14, 2018: Nature Communications
https://www.readbyqxmd.com/read/29759550/sarcoma-the-standard-bearer-in-cancer-discovery
#17
REVIEW
Jared W Potter, Kevin B Jones, Jared J Barrott
Sarcoma is a rare tumor type that occurs most frequently in connective tissue. Despite its uncommon occurrence, sarcoma research has provided the means for groundbreaking research that has advanced our understanding of general cancer mechanisms. It is through sarcoma research that the pioneering efforts of cancer immunotherapy were explored, that we understand the inherent genetic nature of cancer mutations, and that we appreciate the subclassification of general cancer types to make more accurate prognoses...
June 2018: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/29758934/adipose-tissue-derived-stem-cells-from-affected-and-unaffected-areas-in-patients-with-multiple-symmetric-lipomatosis-show-differential-regulation-of-mtor-pathway-genes
#18
Oliver Felthaus, Teresa Schön, Daniel Schiltz, Thiha Aung, Britta Kühlmann, Friedrich Jung, Alexandra Anker, Silvan Klein, Lukas Prantl
BACKGROUND: Multiple symmetric lipomatosis is a rare disease characterized by the excessive growth of uncapsulated masses of adipose tissue. Although the etiology has yet to be elucidated, a connection to brown adipose tissue has been proposed recently. The mTOR pathway which is found to be regulated in lipomatous tissue as well as associated with brown adipose tissue can be inhibited by a compound called rapamycin. METHODS: We isolated adipose tissue derived stem cells from both affected and unaffected tissue and treated these cells with different concentrations of rapamycin...
2018: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/29758347/gene-analysis-a-rare-gene-disease-of-intellectual-deficiency-cohen-syndrome
#19
Chengqing Yang, Mei Hou, Yutang Li, Dianrong Sun, Ya Guo, Peipei Liu, Yedan Liu, Jie Song, Na Zhang, Wei Wei, Zongbo Chen
Cohen syndrome is a rare, genetic, connective-tissue disorder, which is caused by mutations in the gene COH1 (VPS13B, Vacuolar Protein Sorting 13 Homolog B) at the chromosome 8q22. The disease is rare reported, which major clinical features include postnatal microcephaly, obesity, short stature, intellectual disability, progressive retinal dystrophy, intermittent neutropenia and many other unusual facial feature. We report four patients in China who were diagnosed with Cohen syndrome by genetic testing and clinical manifestations...
May 11, 2018: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/29757529/fiber-based-scaffolding-techniques-for-tendon-tissue-engineering
#20
REVIEW
Yang Wu, Yi Han, Yoke San Wong, Jerry Ying Hsi Fuh
Tendon refers to a band of tough, regularly arranged and connective tissue connecting muscle and bone, transferring strength from muscle to bone, and enabling articular stability and movement. The limitations of natural tendon grafts motivate the scaffold-based tissue engineering (TE) approaches, which aim to build patient-specific biological substitutes that can repair the damaged or diseased tissues. Advances in engineering and knowledge of chemistry and biology have brought forth numerous fiber-based technologies, including electrospinning, electrohydrodynamic jet printing, electrochemical alignment technique and other fiber-assembly technologies, which enable the fabrication of tendon tissue structure in three-dimension...
May 14, 2018: Journal of Tissue Engineering and Regenerative Medicine
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