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https://www.readbyqxmd.com/read/29352759/regional-myocardial-function-abnormalities-are-associated-with-macro-and-microcirculation-dysfunction-in-the-metabolic-syndrome-the-resolve-study
#1
Philippe Obert, Guillaume Walther, Frédéric Dutheil, Bruno Lesourd, Robert Chapier, Daniel Courteix, Agnes Vinet
Abnormalities in myocardial and vascular function have been reported in the metabolic syndrome (MetS), but whether these alterations are related remains poorly documented. Our aim was accordingly to investigate interrelationships between macro- and microcirculatory vasoreactivity and left ventricular (LV) myocardial function in MetS patients. Eighty-eight MetS individuals and 44 age- and gender-matched healthy controls were enrolled. LV global longitudinal strain (GLS) was measured using Vector Velocity Imaging...
January 19, 2018: Heart and Vessels
https://www.readbyqxmd.com/read/29352748/use-of-e-learning-in-clinical-clerkships-effects-on-acquisition-of-dermatological-knowledge-and-learning-processes
#2
Frederike Fransen, Herm Martens, Ivo Nagtzaam, Sylvia Heeneman
Objectives: To obtain a deeper understanding of how the e-learning program, Education in Dermatology (ED), affects the acquisition of dermatological knowledge and the underlying learning processes of medical students in their clinical phase. Methods: The study used a mixed method design with a convergent parallel collection of data. Medical students (n=62) from Maastricht University (The Netherlands) were randomized to either a conventional teaching group (control group n=30) or conventional teaching plus the e-learning program (application on smartphone) group (e-learning group n=32)...
January 17, 2018: International Journal of Medical Education
https://www.readbyqxmd.com/read/29352630/surgical-damage-to-the-lymphatic-system-promotes-tumor-growth-via-impaired-adaptive-immune-response
#3
Yoshiyuki Nakamura, Yasuhiro Fujisawa, Naoko Okiyama, Rei Watanabe, Ryota Tanaka, Yosuke Ishitsuka, Hideaki Tahara, Manabu Fujimoto
BACKGROUND: Both lymph nodes (LNs) and lymphatic channels from primary sites to regional LNs are critical for initiation of adaptive immunity. However, as LNs are common metastatic sites in skin cancers, LN biopsies or dissections are frequently performed. In addition, reconstructive skin flaps after tumor resection may damage lymphatic flow from primary sites to regional LNs. OBJECTIVE: This study was designed to investigate the effect on tumor progression by such surgeries...
December 29, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/29352512/trpv1-antagonists-that-cause-hypothermia-instead-of-hyperthermia-in-rodents-compounds-pharmacological-profiles-in-vivo-targets-thermoeffectors-recruited-and-implications-for-drug-development
#4
Andras Garami, Eszter Pakai, Heath A McDonald, Regina M Reilly, Arthur Gomtsyan, Joshua J Corrigan, Erika Pinter, Dawn X D Zhu, Sonya G Lehto, Narender R Gavva, Philip R Kym, Andrej A Romanovsky
AIM: Thermoregulatory side effects hinder the development of transient receptor potential vanilloid-1 (TRPV1) antagonists as new painkillers. While many antagonists cause hyperthermia, a well-studied effect, some cause hypothermia. The mechanisms of this hypothermia are unknown and were studied herein. METHODS: Two hypothermia-inducing TRPV1 antagonists, the newly synthesized A-1165901 and the known AMG7905, were used in physiological experiments in rats and mice...
January 20, 2018: Acta Physiologica
https://www.readbyqxmd.com/read/29352500/characterization-of-skin-blister-fluids-from-children-with-epstein-barr-virus-associated-lymphoproliferative-disease
#5
Taizo Wada, Tomoko Toma, Hanae Miyazawa, Eiko Koizumi, Tetsujiro Shirahashi, Yusuke Matsuda, Akihiro Yachie
Epstein-Barr virus (EBV)-associated T- or natural killer (NK)-cell lymphoproliferative disease (LPD) is a heterogeneous group of disorders characterized by chronic proliferation of EBV-infected lymphocytes. Patients may present with severe skin manifestations, including hypersensitivity to mosquito bites (HMB) and hydroa vacciniforme (HV)-like eruption, which are characterized by blister formation and necrotic ulceration. Skin biopsy specimens show inflammatory reactions comprising EBV-infected lymphocytes...
January 20, 2018: Journal of Dermatology
https://www.readbyqxmd.com/read/29352496/microcystic-adnexal-carcinoma-with-sebaceous-differentiation-three-cases
#6
Angel Fernandez-Flores, Mar Llamas-Velasco, Carles Saus, Anisha Patel, Arno Rutten
Microcystic adnexal carcinoma (MAC) is a low-grade malignant tumor of the skin. Histologically, this tumor shows a biphasic pattern, with cords and nests of basaloid cells, as well as keratin horn cysts. This biphasic histological appearance has been interpreted by some authors as a sign of double eccrine and folliculosebaceous-apocrine differentiation, whereas some other authors defend an solely eccrine differentiation. In this context, sebaceous differentiation in MAC would support the first option. However, there are only three cases of MAC with sebaceous differentiation in the literature, and all of them are previous to adipophilin, which in the appropriate context (for example testing clear cells for sebaceous versus eccrine differentiation) is very useful...
January 20, 2018: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/29352490/oral-lichenoid-reaction-showing-multiple-ulcers-associated-with-anti-programmed-death-cell-receptor-1-treatment-a-report-of-two-cases-and-published-work-review
#7
Koya Obara, Mamiko Masuzawa, Yasuyuki Amoh
Anti-programmed cell death receptor-1 (PD-1) antibodies represent an effective treatment opinion for advanced melanoma and non-small-cell lung cancer, as well as other cancerous entities. Immune checkpoint inhibitors such as anti-PD-1 antibody result in a unique side-effect profile, commonly described as immune-related adverse events (irAE). These irAE affect the skin, gastrointestinal tract, liver, endocrine system and other organ systems. We report two cases of oral lichenoid reaction showing multiple ulcers associated with nivolumab treatment...
January 20, 2018: Journal of Dermatology
https://www.readbyqxmd.com/read/29352433/development-and-clinical-application-of-vertebral-metrics-using-a-stereo-vision-system-to-assess-the-spine
#8
Ana Teresa Gabriel, Cláudia Quaresma, Mário Forjaz Secca, Pedro Vieira
The biomechanical changes in the spinal column are considered to be the main responsible for rachialgia. Although radiological techniques use ionizing radiation, they are the most applied tools to assess the biomechanics of the spine. To face this problem, non-invasive techniques must be developed. Vertebral Metrics is an ionizing radiation-free instrument designed to detect the 3D position of each vertebrae in a standing position. Using a stereo vision system combined with low intensity UV light, recognition is achieved with software capable of distinguishing fluorescent marks...
January 20, 2018: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/29352388/cutaneous-granulomatosis-a-comprehensive-review
#9
REVIEW
Benedetta Terziroli Beretta-Piccoli, Carlo Mainetti, Marie-Astrid Peeters, Emmanuel Laffitte
Cutaneous granulomatosis is a heterogeneous group of diseases, characterized by a skin inflammatory reaction triggered by a wide variety of stimuli, including infections, foreign bodies, malignancy, metabolites, and chemicals. From a pathogenic point of view, they are divided into non-infectious and infectious granulomas. Pathophysiological mechanisms are still poorly understood. Non-infectious granulomatous skin diseases include granuloma annulare, necrobiosis lipoidica, rheumatic nodules, foreign body granulomas, cutaneous sarcoidosis, and interstitial granulomatous dermatitis...
January 19, 2018: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/29352310/leishmania-proteophosphoglycans-regurgitated-from-infected-sand-flies-accelerate-dermal-wound-repair-and-exacerbate-leishmaniasis-via-insulin-like-growth-factor-1-dependent-signalling
#10
Emilie Giraud, Tereza Lěstinová, Tamsyn Derrick, Oihane Martin, Rod J Dillon, Petr Volf, Ingrid Műller, Paul A Bates, Matthew E Rogers
Leishmania parasites are transmitted to vertebrate hosts by female phlebotomine sand flies as they bloodfeed by lacerating the upper capillaries of the dermis with their barbed mouthparts. In the sand fly midgut secreted proteophosphoglycans from Leishmania form a biological plug known as the promastigote secretory gel (PSG), which blocks the gut and facilitates the regurgitation of infective parasites. The interaction between the wound created by the sand fly bite and PSG is not known. Here we nanoinjected a sand fly egested dose of PSG into BALB/c mouse skin that lead to the differential expression of 7,907 transcripts...
January 19, 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29352285/deep-neural-networks-show-an-equivalent-and-often-superior-performance-to-dermatologists-in-onychomycosis-diagnosis-automatic-construction-of-onychomycosis-datasets-by-region-based-convolutional-deep-neural-network
#11
Seung Seog Han, Gyeong Hun Park, Woohyung Lim, Myoung Shin Kim, Jung Im Na, Ilwoo Park, Sung Eun Chang
Although there have been reports of the successful diagnosis of skin disorders using deep learning, unrealistically large clinical image datasets are required for artificial intelligence (AI) training. We created datasets of standardized nail images using a region-based convolutional neural network (R-CNN) trained to distinguish the nail from the background. We used R-CNN to generate training datasets of 49,567 images, which we then used to fine-tune the ResNet-152 and VGG-19 models. The validation datasets comprised 100 and 194 images from Inje University (B1 and B2 datasets, respectively), 125 images from Hallym University (C dataset), and 939 images from Seoul National University (D dataset)...
2018: PloS One
https://www.readbyqxmd.com/read/29352264/cell-autonomous-role-of-iaspp-deficiency-in-causing-cardiocutaneous-disorders
#12
Zinaida Dedeić, Gopinath Sutendra, Ying Hu, Kathryn Chung, Elizabeth A Slee, Michael J White, Felix Y Zhou, Robert D Goldin, David J P Ferguson, Debra McAndrew, Jurgen E Schneider, Xin Lu
Desmosome components are frequently mutated in cardiac and cutaneous disorders in animals and humans and enhanced inflammation is a common feature of these diseases. Previous studies showed that inhibitor of Apoptosis Stimulating p53 Protein (iASPP) regulates desmosome integrity at cell-cell junctions and transcription in the nucleus, and its deficiency causes cardiocutaneous disorder in mice, cattle, and humans. As iASPP is a ubiquitously expressed shuttling protein with multiple functions, a key question is whether the observed cardiocutaneous phenotypes are caused by loss of a cell autonomous role of iASPP in cardiomyocytes and keratinocytes specifically or by a loss of iASPP in other cell types such as immune cells...
January 19, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29352237/wearable-sweat-rate-sensors-for-human-thermal-comfort-monitoring
#13
Jai Kyoung Sim, Sunghyun Yoon, Young-Ho Cho
We propose watch-type sweat rate sensors capable of automatic natural ventilation by integrating miniaturized thermo-pneumatic actuators, and experimentally verify their performances and applicability. Previous sensors using natural ventilation require manual ventilation process or high-power bulky thermo-pneumatic actuators to lift sweat rate detection chambers above skin for continuous measurement. The proposed watch-type sweat rate sensors reduce operation power by minimizing expansion fluid volume to 0...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29352222/artificial-chameleon-skin-that-controls-spectral-radiation-development-of-chameleon-cool-coating-c3
#14
Hiroki Gonome, Masashi Nakamura, Junnosuke Okajima, Shigenao Maruyama
Chameleons have a diagnostic thermal protection that enables them to live under various conditions. Our developed special radiative control therefore is inspired by the chameleon thermal protection ability by imitating its two superposed layers as two pigment particles in one coating layer. One particle imitates a chameleon superficial surface for color control (visible light), and another particle imitates a deep surface to reflect solar irradiation, especially in the near-infrared region. Optical modeling allows us to optimally design the particle size and volume fraction...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29352152/selection-and-validation-of-reference-genes-for-qrt-pcr-analysis-of-gene-expression-in-microsporum-canis-growing-under-different-adhesion-inducing-conditions
#15
Anita Ciesielska, Paweł Stączek
Dermatophytes are the group of filamentous fungi infecting keratinized structures such as skin, hair, and nails. Knowledge about genes and molecular mechanisms responsible for pathogenicity, as well as other biological properties of Microsporum canis is still relatively poor. The qRT-PCR is a reliable technique for quantifying gene expression across various biological processes, and choosing a set of suitable reference genes to normalize the expression data is a crucial step of this technique. We investigated the suitability of nine candidate reference genes: β-act, β-tub, adp-rf, ef1-α, sdha, rpl2, mbp1, psm1, and rGTPa for gene expression analysis in the dermatophyte M...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29351933/vanadium-allergy-following-total-knee-arthroplasty
#16
Fidel Peat, Ross Coomber, Adnan Rana, Alastair Vince
Allergic reactions to metals following joint arthroplasty represent a rare and poorly understood phenomenon. Much is still unknown regarding the natural history of this complication, and how it can best be prevented and managed. We present a case of a 68-year-old woman who underwent a left total knee arthroplasty for treatment of osteoarthritis. After an initial uneventful postoperative course, she developed a troublesome erythematous rash both around the incision site and over her trunk. Blood testing revealed no evidence of infection and clinically her prosthesis was functioning well...
January 18, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29351901/xiap-regulation-by-mnk-links-mapk-and-nf%C3%AE%C2%BAb-signaling-to-determine-an-aggressive-breast-cancer-phenotype
#17
Myron K Evans, Michael C Brown, Joseph Geradts, Xuhui Bao, Timothy J Robinson, Mohit Kumar Jolly, Peter Vermeulen, Gregory M Palmer, Matthias Gromeier, Herbert Levine, Michael A Morse, Steven Van Laere, Gayathri R Devi
Hyperactivation of the NFκB pathway is a distinct feature of inflammatory breast cancer (IBC), a highly proliferative and lethal disease. Gene expression studies in IBC patient tissue have linked epidermal growth factor receptor (EGFR/HER2)-mediated MAPK signaling to NFκB hyperactivity, but the mechanism(s) by which this occurs remain unclear. Here, we report that the X-linked inhibitor of apoptosis protein (XIAP) plays a central role in linking these two pathways. XIAP overexpression correlated with poor prognoses in breast cancer patients and was frequently observed in untreated IBC patient primary tumors...
January 19, 2018: Cancer Research
https://www.readbyqxmd.com/read/29351768/overweight-in-adult-cats-a-cross-sectional-study
#18
Malin Öhlund, Malin Palmgren, Bodil Ström Holst
BACKGROUND: Overweight in cats is a major risk factor for diabetes mellitus and has also been associated with other disorders. Overweight and obesity are believed to be increasing problems in cats, as is currently seen in people, with important health consequences. The objectives of the present study were to determine the prevalence of overweight in cats from two different cohorts in a cross-sectional study design and to assess associations between overweight and diagnoses, and between overweight and demographic and environmental factors...
January 19, 2018: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/29351747/combination-of-pelargonium-sidoides-and-coptis-chinensis-root-inhibits-nuclear-factor-kappa-b-mediated-inflammatory-response-in-vitro-and-in-vivo
#19
Sang Mi Park, Byung-Gu Min, Ji Yun Jung, Kyung Hwan Jegal, Chul Won Lee, Kwang Youn Kim, Young Woo Kim, Youn-Woong Choi, Il Je Cho, Sae Kwang Ku, Sang Chan Kim
BACKGROUND: Pelargonium sidoides (PS) and Coptis chinensis root (CR) have traditionally been used to treat various diseases, including respiratory and gastrointestinal infections, dysmenorrhea, and hepatic disorders. The present study was conducted to evaluate the anti-inflammatory effects of a combination of PS and CR in vitro and in vivo. METHODS: The in vitro effects of PS + CR on the induction of inflammation-related proteins were evaluated in lipopolysaccharide (LPS)-stimulated RAW 264...
January 19, 2018: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29351741/risk-factors-for-mycobacterium-ulcerans-infection-buruli-ulcer-in-togo-%C3%A2-a-case-control-study-in-zio-and-yoto-districts-of-the-maritime-region
#20
Issaka Maman, Tchadjobo Tchacondo, Abiba Banla Kere, Ebekalisai Piten, Marcus Beissner, Yiragnima Kobara, Komlan Kossi, Kossi Badziklou, Franz Xaver Wiedemann, Komi Amekuse, Gisela Bretzel, Damintoti Simplice Karou
BACKGROUND: Buruli ulcer (BU) is a neglected mycobacterial skin infection caused by Mycobacterium ulcerans. This disease mostly affects poor rural populations, especially in areas with low hygiene standards and sanitation coverage. The objective of this study was to identify these risk factors in the districts of Zio and Yoto of the Maritime Region in Togo. METHODS: We conducted a case-control study in Zio and Yoto, two districts proved BU endemic from November 2014 to May 2015...
January 19, 2018: BMC Infectious Diseases
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