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https://www.readbyqxmd.com/read/29150564/essential-role-of-card14-in-murine-experimental-psoriasis
#1
Mayuri Tanaka, Kouji Kobiyama, Tetsuya Honda, Kozue Uchio-Yamada, Yayoi Natsume-Kitatani, Kenji Mizuguchi, Kenji Kabashima, Ken J Ishii
Caspase recruitment domain family member 14 (CARD14) was recently identified as a psoriasis-susceptibility gene, but its immunological role in the pathogenesis of psoriasis in vivo remains unclear. In this study, we examined the role of CARD14 in murine experimental models of psoriasis induced by either imiquimod (IMQ) cream or recombinant IL-23 injection. In all models tested, the psoriasiform skin inflammation was abrogated in Card14(-/-) mice. Comparison of the early gene signature of the skin between IMQ-cream-treated Card14(-/-) mice and Tlr7(-/-)Tlr9(-/-) mice revealed not only their similarity, but also distinct gene sets targeted by IL-23...
November 17, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29149211/occupational-exposure-to-unburnt-tobacco-and-potential-risk-of-toxic-optic-neuropathy-a-cross-sectional-study-among-beedi-rollers-in-selected-rural-areas-of-coastal-karnataka-india
#2
Soujanya Kaup, Ansaba Naseer, Siddharudha Shivalli, Cynthia Arunachalam
BACKGROUND: Beedi also known as poor man's cigarette is manufactured in almost all major states of India. Beedi workers are exposed to various health risks. There is an increased risk of systemic absorption of tobacco through skin and mucous membrane. The optic nerve is susceptible to damage from several toxic substances including tobacco. This group of disorders is known as toxic optic neuropathy (TON). The association of TON with occupational exposure to unburnt tobacco in beedi rollers has not been explored...
2017: PloS One
https://www.readbyqxmd.com/read/29148057/clinical-patterns-of-compositae-dermatitis-in-danish-monosensitized-patients
#3
Evy Paulsen, Klaus E Andersen
BACKGROUND: Compositae dermatitis was originally described as airborne contact dermatitis. More recent studies have reported a wider clinical spectrum, but often in polysensitized patients. OBJECTIVE: To evaluate the clinical features of patients sensitized to Compositae only. PATIENTS/METHODS: Consecutive Compositae-sensitive eczema patients, tested between 1990 and 2015, who, at the patch testing session diagnosing their Compositae allergy, were found to be sensitized only to the plant family, were included...
November 17, 2017: Contact Dermatitis
https://www.readbyqxmd.com/read/29147654/susceptibility-of-in-vitro-melanoma-skin-cancer-to-photoactivated-hypericin-versus-aluminium-iii-phthalocyanine-chloride-tetrasulphonate
#4
I M Ndhundhuma, H Abrahamse
The sensitivity of human melanoma cells to photoactivated Hypericin (Hyp) compared to aluminium(III) phthalocyanine chloride tetrasulphonate (AlPcS4Cl) is reported in this study. Melanoma cells (A375 cell line) were treated with various concentrations of Hyp or AlPcS4Cl alone, for 1, 4, and 24 hrs; varying doses of laser irradiation alone (594 or 682 nm); or optimal concentrations of PSs combined with laser irradiation. Changes in cell morphology, viability, membrane integrity, and proliferation after treatment of cells were determined using inverted microscopy, Trypan blue cell exclusion, Lactate Dehydrogenase (LDH) membrane integrity, and adenosine triphosphate (ATP) cell proliferation assay, respectively...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29146366/validation-and-theoretical-justification-of-an-lc-ms-method-for-the-animal-species-specific-detection-of-gelatin
#5
Anne J Kleinnijenhuis, Frédérique L van Holthoon, Griet Herregods
Collagen is the most abundant protein family in mammals. Commercial edible gelatins are often produced from bovine and porcine skin and bone and consist mainly of partially hydrolyzed collagen type 1. The gelatin industry would benefit from a sensitive and reliable species detection method to unambiguously demonstrate species authenticity of their products. PCR and ELISA could in principle be used for this purpose. However, for gelatin, problems associated with false-positive and false-negative results, inconsistencies and low reactivity of commercially available kits have been observed with regard to ELISA and PCR methods...
March 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29145844/development-and-evaluation-of-an-interferon-gamma-assay-for-the-diagnosis-of-tuberculosis-in-red-deer-experimentally-infected-with-mycobacterium-bovis
#6
María Ángeles Risalde, Jobin Thomas, Iker Sevilla, Miriam Serrano, Jose Antonio Ortíz, Joseba Garrido, Mercedes Domínguez, Lucas Domínguez, Christian Gortázar, Jose Francisco Ruíz-Fons
BACKGROUND: Red deer (Cervus elaphus) is regarded as an epidemiologically relevant host for Mycobacterium bovis (M. bovis) and closely related members of the Mycobacterium tuberculosis complex that cause animal tuberculosis (TB). The standard antemortem screening test for the detection of TB in deer is the intradermal tuberculin skin test, but the detection of interferon-gamma (IFNγ) produced by white blood cells exposed to M. bovis antigens can be used as an alternative or supplemental assay in most TB eradication/control programs...
November 16, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29145524/tumor-necrosis-factor-alpha-signaling-in-trigeminal-ganglion-contributes-to-mechanical-hypersensitivity-in-masseter-muscle-during-temporomandibular-joint-inflammation
#7
Reio Ito, Masamichi Shinoda, Kuniya Honda, Kentaro Urata, Jun Lee, Mitsuru Maruno, Kumi Soma, Shinji Okada, Nobuhito Gionhaku, Koichi Iwata
AIMS: To determine the involvement of tumor necrosis factor alpha (TNFα) signaling in the trigeminal ganglion (TG) in the mechanical hypersensitivity of the masseter muscle during temporomandibular joint (TMJ) inflammation. METHODS: A total of 55 male Sprague-Dawley rats were used. Following injection of Complete Freund's Adjuvant into the TMJ, the mechanical sensitivities of the masseter muscle and the overlying facial skin were measured. Satellite glial cell (SGC) activation and TNFα expression in the TG were investigated immunohistochemically, and the effects of their inhibition on the mechanical hypersensitivity of the masseter muscle were also examined...
November 16, 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/29144825/salt-hypertension-and-immunity
#8
A Justin Rucker, Nathan P Rudemiller, Steven D Crowley
The link between inappropriate salt retention in the kidney and hypertension is well recognized. However, growing evidence suggests that the immune system can play surprising roles in sodium homeostasis, such that the study of inflammatory cells and their secreted effectors has provided important insights into salt sensitivity. As part of the innate immune system, myeloid cells have diverse roles in blood pressure regulation, ranging from prohypertensive actions in the kidney, vasculature, and brain, to effects in the skin that attenuate blood pressure elevation...
November 16, 2017: Annual Review of Physiology
https://www.readbyqxmd.com/read/29143385/patterns-of-allergic-sensitization-and-atopic-dermatitis-from-1-to-3-years-effects-on-allergic-diseases
#9
C Dharma, D L Lefebvre, M M Tran, W Y W Lou, P Subbarao, A B Becker, P J Mandhane, S E Turvey, M R Sears
BACKGROUND: While allergic sensitization and atopic dermatitis (AD) are known to increase the risk for allergic diseases, the impact of different temporal and clinical patterns of sensitization and AD is less well defined. OBJECTIVE: We investigated patterns of sensitization and AD from early infancy to age 3, and the differential risk for developing allergic diseases within each pattern in a general cohort. METHODS: Children (n=2629) from the Canadian Healthy Infant Longitudinal Development (CHILD) Study underwent skin prick tests and were assessed clinically for AD at ages 1 and 3 years...
November 16, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29142740/combined-empirical-mode-decomposition-and-texture-features-for-skin-lesion-classification-using-quadratic-support-vector-machine
#10
Maram A Wahba, Amira S Ashour, Sameh A Napoleon, Mustafa M Abd Elnaby, Yanhui Guo
Purpose: Basal cell carcinoma is one of the most common malignant skin lesions. Automated lesion identification and classification using image processing techniques is highly required to reduce the diagnosis errors. Methods: In this study, a novel technique is applied to classify skin lesion images into two classes, namely the malignant Basal cell carcinoma and the benign nevus. A hybrid combination of bi-dimensional empirical mode decomposition and gray-level difference method features is proposed after hair removal...
December 2017: Health Information Science and Systems
https://www.readbyqxmd.com/read/29142419/antipsoriatic-and-anti-inflammatory-studies-of-berberis-aristata-extract-loaded-nanovesicular-gels
#11
Nimisha, Dilshad Ali Rizvi, Zeeshan Fatima, Neema, Chanchal Deep Kaur
Objective: Novel nanovesicular gel of Berberis aristata extract was developed and evaluated for its anti-inflammatory and antipsoriatic activity. Materials and Methods: Transferosomes were prepared using soya phosphatidylcholine and edge activators (Tween 80, Span 80, and sodium deoxycholate) by a modified lipid film hydration technique using rotary evaporator and evaluated for various parameters. The quantification and standardization of extract have been carried out using its alkaloid content as berberine as biomarker...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29142400/chemical-composition-of-moringa-oleifera-ethyl-acetate-fraction-and-its-biological-activity-in-diabetic-human-dermal-fibroblasts
#12
Sivapragasam Gothai, Katyakyini Muniandy, Mazni Abu Zarin, Tan Woan Sean, S Suresh Kumar, Murugan A Munusamy, Sharida Fakurazi, Palanisamy Arulselvan
Background: Moringa oleifera (MO), commonly known as the drumstick tree, is used in folklore medicine for the treatment of skin disease. Objective: The objective of this study is to evaluate the ethyl acetate (EtOAc) fraction of MO leaves for in vitro antibacterial, antioxidant, and wound healing activities and conduct gas chromatography-mass spectrometry (GC-MS) analysis. Materials and Methods: Antibacterial activity was evaluated against six Gram-positive bacteria and 10 Gram-negative bacteria by disc diffusion method...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29140997/topical-anaesthesia-reduces-sensitivity-of-castration-wounds-in-neonatal-piglets
#13
Sabrina Lomax, Charissa Harris, Peter A Windsor, Peter J White
The aim of this study was to do determine the efficacy of the topical anaesthetic Tri-Solfen® in the amelioration of the pain of castration in piglets. The trial was conducted over a three day period, and blocked across six litters with 12 piglets treated on days one and two, and 16 on day three. The piglets were randomly allocated by weight and litter to 1 of 4 treatment groups: (i) sham castration (SHAM; n = 10); (ii) surgical castration with no anaesthetic intervention (CAST; n = 10); (iii) surgical castration with post-operative topical anaesthesia (TRI; n = 10); (iv) surgical castration with a pre-operative intra-testicular lignocaine hydrochloride injection (LIG; n = 10)...
2017: PloS One
https://www.readbyqxmd.com/read/29140928/ngf-locally-sensitizes-nociceptors-in-human-skin
#14
Otilia Obreja, Roman Rukwied, Lorenz Nagler, Martha Schmidt, Martin Schmelz, Barbara Namer
Nerve growth factor (NGF) injected into human skin causes local hyperalgesia to mechanical and electrical stimuli lasting for weeks. Pig data suggested axonal sensitization of C-nociceptors as contributing mechanism. Here, we recorded single C- nociceptors in eleven human subjects 3 weeks after intracutaneous injection of 1 µg NGF into the foot dorsum. For each identified unit, the receptive field was mapped and, whenever possible, we recorded two terminal branches of the same unit, one from the hyperalgesic NGF-site ("inside") and the other from the non-sensitized skin ("outside")...
November 13, 2017: Pain
https://www.readbyqxmd.com/read/29140896/cold-water-ingestion-improves-exercise-tolerance-of-heat-sensitive-people-with-ms
#15
Georgia K Chaseling, Davide Filingeri, Michael Barnett, Phu Hoang, Scott L Davis, Ollie Jay
PURPOSE: Heat intolerance commonly affects the exercise capacity of people with multiple sclerosis (MS) during bouts of hot weather. Cold-water ingestion is a simple cooling strategy but its efficacy for prolonging exercise capacity with MS remains undetermined. We sought to identify whether cold-water ingestion blunts exercise-induced rises in body temperature and improves exercise tolerance in heat-sensitive individuals with MS. METHODS: On two separate occasions, 20 participants (10 relapsing-remitting MS (EDSS: 1-5); 10 age-matched healthy controls (CON)) cycled at ~40% VO2max at 30°C, 30%RH until volitional exhaustion (or a maximum of 60 min)...
November 15, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29139286/highly-sensitive-flexible-pressure-sensors-based-on-printed-organic-transistors-with-centro-apically-self-organized-organic-semiconductor-microstructures
#16
So Young Yeo, Sangsik Park, Yeonjin Yi, Do Hwan Kim, Jung Ah Lim
A highly sensitive pressure sensor based on a printed organic transistors with three-dimensionally self-organized organic semiconductor microstructures were demonstrated. A unique organic transistor with semiconductor channels positioned at the highest summit of printed cylindrical microstructures was achieved simply by printing an organic semiconductor and polymer blend on the plastic substrate without the use of additional etching or replication processes. A combination of the printed organic semiconductor microstructure and an elastomeric top-gate dielectric resulted in a highly sensitive OFET pressure sensor with a high pressure sensitivity of 1...
November 15, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29137399/molecular-characteristics-and-serodiagnostic-potential-of-chitinase-like-protein-from-sarcoptes-scabiei
#17
Ran He, Nengxing Shen, Haojie Zhang, Yongjun Ren, Manli He, Jing Xu, Cheng Guo, Yue Xie, Xiaobin Gu, Weimin Lai, Xuerong Peng, Guangyou Yang
Scabies, caused by the mite Sarcoptes scabiei, is an allergic skin disease that affects millions of people and other mammals worldwide. This highly contagious parasitic disease is among the top 50 epidemic disease and is regarded as a neglected tropical disease. Diagnosis of scabies is difficult in the early stage, and the pathogenesis of scabies is not currently clear. Here, we expressed, identified and located the chitinase-like protein of S. scabiei (SsCLP), and evaluated its potential as an early-stage diagnostic antigen for rabbit scabies...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137334/the-coffee-diterpene-kahweol-enhances-sensitivity-to-sorafenib-in-human-renal-carcinoma-caki-cells-through-down-regulation-of-mcl-1-and-c-flip-expression
#18
Kyoung-Jin Min, Hee Jung Um, Jee In Kim, Taeg Kyu Kwon
Sorafenib is approved for the treatment of hepatocellular carcinoma (HCC) and advanced renal cell carcinoma (RCC). However, low tumor response and side effects have been widely reported. Therefore, to improve the efficacy of sorafenib, we investigated whether combined treatment with sorafenib and kahweol, the coffee-specific diterpene, has a synergistic effect on apoptotic cell death. Combined treatment with sorafenib and kahweol markedly induced caspase-mediated apoptosis in renal carcinoma Caki cells. Combined treatment with sorafenib and kahweol induced down-regulation of Mcl-1 and c-FLIP expression...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137261/enhanced-response-of-melanoma-cells-to-mek-inhibitors-following-unbiased-igf-1r-down-regulation
#19
Naida Suleymanova, Caitrin Crudden, Claire Worrall, Anica Dricu, Ada Girnita, Leonard Girnita
Due to its ability to compensate for signals lost following therapeutic MAPK-inhibition, insulin-like growth factor type 1 receptor (IGF-1R) co-targeting is a rational approach for melanoma treatment. However IGF-1R conformational changes associated with its inhibition can preferentially activate MAPK-pathway in a kinase-independent manner, through a process known as biased signaling. We explored the impact of biased IGF-1R signaling, on response to MAPK inhibition in a panel of skin melanoma cell lines with differing MAPK and p53 mutation statuses...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29136445/effect-of-varying-doses-of-epicutaneous-immunotherapy-vs-placebo-on-reaction-to-peanut-protein-exposure-among-patients-with-peanut-sensitivity-a-randomized-clinical-trial
#20
Hugh A Sampson, Wayne G Shreffler, William H Yang, Gordon L Sussman, Terri F Brown-Whitehorn, Kari C Nadeau, Amarjit S Cheema, Stephanie A Leonard, Jacqueline A Pongracic, Christine Sauvage-Delebarre, Amal H Assa'ad, Frederic de Blay, J Andrew Bird, Stephen A Tilles, Franck Boralevi, Thierry Bourrier, Jacques Hébert, Todd D Green, Roy Gerth van Wijk, André C Knulst, Gisèle Kanny, Lynda C Schneider, Marek L Kowalski, Christophe Dupont
Importance: Epicutaneous immunotherapy may have potential for treating peanut allergy but has been assessed only in preclinical and early human trials. Objective: To determine the optimal dose, adverse events (AEs), and efficacy of a peanut patch for peanut allergy treatment. Design, Setting, and Participants: Phase 2b double-blind, placebo-controlled, dose-ranging trial of a peanut patch in peanut-allergic patients (6-55 years) from 22 centers, with a 2-year, open-label extension (July 31, 2012-July 31, 2014; extension completed September 29, 2016)...
November 14, 2017: JAMA: the Journal of the American Medical Association
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