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https://www.readbyqxmd.com/read/28646393/the-changing-landscape-of-alopecia-areata-the-therapeutic-paradigm
#1
REVIEW
Yael Renert-Yuval, Emma Guttman-Yassky
Alopecia areata (AA), a prevalent inflammatory cause of hair loss, lacks FDA-approved therapeutics for extensive cases, which are associated with very poor rates of spontaneous hair regrowth and major psychological distress. Current treatments for severe cases include broad immune-suppressants, which are associated with significant adverse effects, precluding long-term use, with rapid hair loss following treatment termination. As a result of the extent of the disease in severe cases, topical contact sensitizers and intralesional treatments are of limited use...
June 23, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28646151/optimal-surveillance-strategies-for-bovine-tuberculosis-in-a-low-prevalence-country
#2
Kimberly VanderWaal, Eva A Enns, Catalina Picasso, Julio Alvarez, Andres Perez, Federico Fernandez, Andres Gil, Meggan Craft, Scott Wells
Bovine tuberculosis (bTB) is a chronic disease of cattle that is difficult to control and eradicate in part due to the costly nature of surveillance and poor sensitivity of diagnostic tests. Like many countries, bTB prevalence in Uruguay has gradually declined to low levels due to intensive surveillance and control efforts over the past decades. In low prevalence settings, broad-based surveillance strategies based on routine testing may not be the most cost-effective way for controlling between-farm bTB transmission, while targeted surveillance aimed at high-risk farms may be more efficient for this purpose...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28642788/comparison-between-intestinal-beh%C3%A3-et-s-disease-and-crohn-s-disease-in-characteristics-of-symptom-endoscopy-and-radiology
#3
Tianyu Zhang, Liwen Hong, Zhengting Wang, Rong Fan, Maochen Zhang, Yun Lin, Mengmeng Cheng, Xiaolin Zhou, Peijun Sun, Xiaoyi Lin, Jie Zhong
AIM: To evaluate different parameters in differentiating intestinal BD from CD. METHODS: The medical records of inpatients with intestinal BD and CD were retrospectively reviewed. The univariate value of different parameters was analyzed, respectively. A differentiation model was established by pooling all valuable parameters together. Diagnostic efficacy was evaluated, and a receiver operating curve (ROC) was plotted. RESULTS: Forty-two BD patients and ninety-seven CD patients were reviewed...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28642751/in-vitro-antimicrobial-activity-of-chlorquinaldol-against-microorganisms-responsible-for-skin-and-soft-tissue-infections-comparative-evaluation-with-gentamicin-and-fusidic-acid
#4
Monica Bortolin, Alessandro Bidossi, Elena De Vecchi, Maura Avveniente, Lorenzo Drago
Skin and soft tissue infections (SSTIs) are a major therapeutic challenge for clinicians. The emergence of pathogens with decreased susceptibility to available therapies has become an emerging problem often associated with treatment failure. Hence, there is an urgent need for novel broad-spectrum antimicrobial agents. The purpose of this study was to assess the feasibility of chlorquinaldol as an alternative approach to currently used topical antibiotics for the treatment of skin and soft tissue infections...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28642283/selective-inhibition-of-trigeminovascular-neurons-by-fremanezumab-a-humanized-monoclonal-anti-cgrp-antibody
#5
Agustin Melo-Carrillo, Rodrigo Noseda, Rony Nir, Aaron Schain, Jennifer Stratton, Andrew M Strassman, Rami Burstein
A large body of evidence supports an important role for CGRP in migraine pathophysiology. This evidence gave rise to a global effort to develop a new generation of therapeutics that inhibit the interaction of CGRP with its receptor in migraineurs. Recently, a new class of such drugs, humanized monoclonal anti-CGRP antibodies (CGRP-mAb) were found to be effective in reducing the frequency of migraine. The purpose of this study was to better understand how the CGRP-mAb fremanezumab (TEV-48125) modulates meningeal sensory pathways...
June 22, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28641549/relevance-of-cat-and-dog-sensitization-by-skin-prick-testing-in-childhood-eczema-and-asthma
#6
Kam Lun E Lun Hon, Kathy Yin Ching Tsang, Ting Fan Leung
BACKGROUND: Household animal dander has been implicated as aeroallergen in childhood atopic diseases. Many parents seek healthcare advice if household pet keeping may be detrimental in atopic eczema (AE) and atopies. AIM: We investigated if skin sensitization by cat/dog dander was associated with disease severity and quality of life in children with AE. METHODS: Demographics, skin prick test (SPT) results, disease severity (Nottingham eczema severity score NESS), Children Dermatology Life Quality Index (CDLQI), blood IgE and eosinophil counts of a cohort of AE patients were reviewed...
June 14, 2017: Current Pediatric Reviews
https://www.readbyqxmd.com/read/28641234/improved-boundary-segmentation-of-skin-lesions-in-high-frequency-3d-ultrasound
#7
B Sciolla, P Delachartre, L Cowell, T Dambry, B Guibert
In this article, we propose a segmentation algorithm for skin lesions in 3D high-frequency ultrasound images. The segmentation is done on melanoma and Basal-cell carcinoma tumors, the most common skin cancer types, and could be used for diagnosis and surgical excision planning in a clinical context. Compared with previously proposed algorithms, which tend to underestimate the size of the lesion, we propose two new boundary terms which provide significant improvements of the accuracy. The first is a probabilistic boundary expansion (PBE) term designed to broaden the segmented area at the boundaries, which uses the feature asymmetry criterion...
June 15, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28640439/skin-inspired-multifunctional-autonomic-intrinsic-conductive-self-healing-hydrogels-with-pressure-sensitivity-stretchability-and-3d-printability
#8
Mohammad Ali Darabi, Ali Khosrozadeh, Rene Mbeleck, Yuqing Liu, Qiang Chang, Junzi Jiang, Jun Cai, Quan Wang, Gaoxing Luo, Malcolm Xing
The advent of conductive self-healing (CSH) hydrogels, a class of novel materials mimicking human skin, may change the trajectory of the industrial process because of their potential applications in soft robots, biomimetic prostheses, and health-monitoring systems. Here, the development of a mechanically and electrically self-healing hydrogel based on physically and chemically cross-linked networks is reported. The autonomous intrinsic self-healing of the hydrogel is attained through dynamic ionic interactions between carboxylic groups of poly(acrylic acid) and ferric ions...
June 22, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28639844/diagnostic-sensitivity-of-cutoff-values-of-igg4-positive-plasma-cell-number-and-igg4-positive-cd138-positive-cell-ratio-in-typical-multiple-lesions-of-patients-with-igg4-related-disease
#9
Ichiro Mizushima, Kazunori Yamada, Kenichi Harada, Shoko Matsui, Takako Saeki, Satoru Kondo, Masayuki Takahira, Yuko Waseda, Yasuhito Hamaguchi, Hiroshi Fujii, Masakazu Yamagishi, Mitsuhiro Kawano
OBJECTIVES: This study aimed to investigate the diagnostic sensitivity of the cutoff values of IgG4-positive plasma cell (PC) number and IgG4-positive/CD138-positive cell ratio proposed by the International consensus statement (ICS) on the pathology of IgG4-related disease (IgG4-RD) in typical multiple lesions of patients with IgG4-RD. METHODS: We evaluated IgG4-positive PC number and IgG4-positive/CD138-positive cell ratio in 39 samples from 18 IgG4-RD patients having more than two typical lesions of IgG4-RD...
June 22, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/28638049/immunomodulatory-effects-of-nanoparticles-on-skin-allergy
#10
Samreen Jatana, Brian C Palmer, Sarah J Phelan, Lisa A DeLouise
In recent years there has been considerable effort to understand the interaction of nanomaterials with the skin. In this study we use an in vivo mouse model of allergic contact dermatitis to investigate how nanoparticles (NPs) may alter allergic responses in skin. We investigate a variety of NPs that vary in size, charge and composition. Results show that small (<200 nm) negative and neutral charged NPs exhibit an immunosuppressive effect but that positively charged NPs do not. Confocal imaging suggests positively charged NPs may penetrate skin to a lesser extent and thereby are less able interact with and alter the local immune responses...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28637861/epidemic-and-endemic-pathogen-dynamics-correspond-to-distinct-host-population-microbiomes-at-a-landscape-scale
#11
Andrea J Jani, Roland A Knapp, Cheryl J Briggs
Infectious diseases have serious impacts on human and wildlife populations, but the effects of a disease can vary, even among individuals or populations of the same host species. Identifying the reasons for this variation is key to understanding disease dynamics and mitigating infectious disease impacts, but disentangling cause and correlation during natural outbreaks is extremely challenging. This study aims to understand associations between symbiotic bacterial communities and an infectious disease, and examines multiple host populations before or after pathogen invasion to infer likely causal links...
June 28, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28633468/skin-sensitization-challenging-the-conventional-thinking-a-case-against-2-out-of-3-as-integrated-testing-strategy
#12
Henrik Johansson, Robin Gradin
No abstract text is available yet for this article.
June 19, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28631090/subclinical-cutaneous-inflammation-remained-after-permeability-barrier-disruption-enhances-uv-sensitivity-by-altering-er-stress-responses-and-topical-pseudoceramide-prevents-them
#13
Sang Eun Lee, Yutaka Takagi, Takahiro Nishizaka, Ji Hwoon Baek, Han Jo Kim, Seung Hun Lee
Stratum corneum forms the UV barrier. The effect of ultraviolet B (UVB) on normal skin was extensively studied; however, its effect on barrier perturbed skin remains undefined. Both barrier perturbation and UVB irradiation induce endoplasmic reticulum (ER) stress and unfolded protein response (UPR) in keratinocytes. Mild ER stress activates homeostatic UPR, while severe ER stress leads to abnormal UPR, promoting apoptosis and inflammation. Here, we investigated UV sensitivity and UVB-induced UPR in barrier-disrupted human skin and the effects of pseudoceramide-dominant emollient on UVB-induced skin responses...
June 19, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28630805/dermatitis-herpetiformis-as-the-initial-presentation-of-primary-biliary-cholangitis-in-a-male-with-gluten-sensitivity
#14
Cyriac Philips, Rajaguru Paramaguru, Divya A Indiran, Philip Augustine
Celiac disease is commonly associated with elevated liver enzymes that normalize on a gluten-free diet. Celiac disease is rarely described in patients with primary biliary cholangitis. Dermatitis herpetiformis is the skin manifestation of the celiac disease that is very rarely associated with primary biliary cirrhosis. We present the case of a 62-year-old man who presented with severe chronic pruritus, in whom a diagnosis of primary biliary cholangitis was made initially. However, in the presence of atypical skin lesions, not confirming to chronic cholestasis, an in-depth evaluation including histopathological examination led to the diagnosis of dermatitis herpetiformis associated with gluten sensitivity...
May 14, 2017: Curēus
https://www.readbyqxmd.com/read/28630595/qsar-models-of-human-data-can-enrich-or-replace-llna-testing-for-human-skin-sensitization
#15
Vinicius M Alves, Stephen J Capuzzi, Eugene Muratov, Rodolpho C Braga, Thomas Thornton, Denis Fourches, Judy Strickland, Nicole Kleinstreuer, Carolina H Andrade, Alexander Tropsha
Skin sensitization is a major environmental and occupational health hazard. Although many chemicals have been evaluated in humans, there have been no efforts to model these data to date. We have compiled, curated, analyzed, and compared the available human and LLNA data. Using these data, we have developed reliable computational models and applied them for virtual screening of chemical libraries to identify putative skin sensitizers. The overall concordance between murine LLNA and human skin sensitization responses for a set of 135 unique chemicals was low (R = 28-43%), although several chemical classes had high concordance...
December 21, 2016: Green Chemistry: An International Journal and Green Chemistry Resource: GC
https://www.readbyqxmd.com/read/28629217/ultrasensitive-pressure-sensor-based-on-ultralight-sparkling-graphene-block
#16
Lingxiao Lv, Panpan Zhang, Tong Xu, Liangti Qu
Approaching to the super-sensitivity, we herein develop a pressure sensor based on fully bubbled ultralight graphene block through a simple sparkling strategy. The obtained sparking graphene block (SGB) exhibits excellent elasticity even at 95% compressive strain and rebounds a steel ball with an ultra-fast recovery speed (~1085 mm s-1). Particularly, the SGB based sensor reveals a record pressure sensitivity of 229.8 kPa-1, much higher than other graphene materials due to the highly cavity-branched internal structure...
June 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28628340/the-role-of-quantiferon-%C3%A2-tb-gold-and-tuberculin-skin-test-as-diagnostic-tests-for-intraocular-tuberculosis-in-hiv-positive-and-hiv-negative-patients-in-south-africa
#17
Derrick P Smit, Tonya M Esterhuizen, David Meyer
PURPOSE: To compare QuantiFERON®-TB Gold and tuberculin skin testing as diagnostic tests for intraocular tuberculosis in HIV positive and negative patients. METHODS: A prospective study evaluating two different tests to help diagnose intraocular tuberculosis. RESULTS: Thirty-five of 106 patients (33.0%) were diagnosed with intraocular tuberculosis including 11 (31.4%) with HIV infection. Patients were 6.95 times more likely to have intraocular tuberculosis if TST alone was positive (p < 0...
June 19, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28628023/-ragweed-allergy-in-the-south-of-russia-in-the-chechen-republic
#18
D Macharadze, H Janaeva, K Avilov
Allergy to ragweed pollen and other weeds is a global problem due to the rapid spread of these grasses around the world. In addition, pollen of short ragweed (Ambrosia, Amb) and mugwort (Artemisia, Art) - one of the main causes of respiratory allergy - seasonal allergic rhinoconjunctivitis (hay fever) with/without bronchial asthma patients living in the South of Russia. Epidemiological studies on the prevalence of Allergy to Amb and Art among patients living in Chechen Republic, absent. Aim - of this retrospective study was to investigate the prevalence of sensitization to weed pollen in patients of Chechnya...
May 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28628008/basophil-histamine-release-to-amoxicilloyl-poly-l-lysine-compared-to-amoxicillin-in-patients-with-ige-mediated-allergic-reactions-to-amoxicillin
#19
F Arribas, S Falkencrone, J Sola, M P Gomez-Serranillos, J J Laguna, M I Montañez, T D Fernandez, D Rodríguez, F Pineda, P Stahl Skov, C Mayorga, M J Torres
BACKGROUND: Amoxicillin (AX) is the betalactam most often involved in IgE-mediated reactions and the diagnosis is mainly based on skin testing (ST) although without optimal sensitivity. We have produced a newly AX derivative, amoxicilloyl-poly-L-lysine (APL), and have analysed its IgE recognition by passive histamine release test (pHRT). METHODS: Patients (N=19) with confirmed AX allergy and with specific IgE positive to AX and controls (N=10) with good tolerance to AX were included...
June 19, 2017: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/28627952/clinical-efficacy-of-piperacillin-tazobactam-in-the-treatment-of-complicated-skin-and-soft-tissue-infections
#20
Kohei Takimoto, Qianzhi Wang, Daisuke Suzuki, Mitsuya Katayama, Yoshiro Hayashi
Introduction Complicated skin and soft tissue infections (cSSTIs) are skin and soft tissue infections (SSTIs) that involve deep soft tissue. cSSTIs often require surgical intervention and/or hospitalization. cSSTIs are associated with significant mortality and morbidity, and carry a significant burden on health care systems. Piperacillin/tazobactam has been regarded as a standard treatment for cSSTIs because of its antibiotic spectrum, safety and clinical efficacy. Several antibiotics, as compared to piperacillin/tazobactam, have been evaluated in the treatment of cSSTIs...
June 19, 2017: Expert Opinion on Pharmacotherapy
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