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https://www.readbyqxmd.com/read/28728169/correlations-between-macular-skin-and-serum-carotenoids
#1
Christopher D Conrady, James P Bell, Brian M Besch, Aruna Gorusupudi, Kelliann Farnsworth, Igor Ermakov, Mohsen Sharifzadeh, Maia Ermakova, Werner Gellermann, Paul S Bernstein
Purpose: Ocular and systemic measurement and imaging of the macular carotenoids lutein and zeaxanthin have been employed extensively as potential biomarkers of AMD risk. In this study, we systematically compare dual wavelength retinal autofluorescence imaging (AFI) of macular pigment with skin resonance Raman spectroscopy (RRS) and serum carotenoid levels in a clinic-based population. Methods: Eighty-eight patients were recruited from retina and general ophthalmology practices from a tertiary referral center and excluded only if they did not have all three modalities tested, had a diagnosis of macular telangiectasia (MacTel) or Stargardt disease, or had poor AFI image quality...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28728010/advances-in-point-of-care-technologies-for-molecular-diagnostics
#2
REVIEW
Mohammad Zarei
Advances in miniaturization, nanotechnology, and microfluidics, along with developments in cloud-connected point-of-care (POC) diagnostics technologies are pushing the frontiers of POC devices toward low-cost, user-friendly, and enhanced sensitivity molecular-level diagnostics. The combination of various bio-sensing platforms within smartphone-integrated electronic readers provides accurate on-site and on-time diagnostics based on various types of chemical and biological targets. Further, 3D printing technology shows a huge potential toward fabrication and improving the performance of POC devices...
July 11, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28727998/enrichment-of-endogenous-fractalkine-and-anti-inflammatory-cells-via-aptamer-functionalized-hydrogels
#3
Syed Faaiz Enam, Jack R Krieger, Tarun Saxena, Brian E Watts, Claire E Olingy, Edward A Botchwey, Ravi V Bellamkonda
Early recruitment of non-classical monocytes and their macrophage derivatives is associated with augmented tissue repair and improved integration of biomaterial constructs. A promising therapeutic approach to recruit these subpopulations is by elevating local concentrations of chemoattractants such as fractalkine (FKN, CX3CL1). However, delivering recombinant or purified proteins is not ideal due to their short half-lives, suboptimal efficacy, immunogenic potential, batch variabilities, and cost. Here we report an approach to enrich endogenous FKN, obviating the need for delivery of exogenous proteins...
July 10, 2017: Biomaterials
https://www.readbyqxmd.com/read/28727909/positive-allergen-reaction-in-allergic-and-nonallergic-rhinitis-a-systematic-review
#4
Aneeza W Hamizan, Janet Rimmer, Raquel Alvarado, William A Sewell, Larry Kalish, Raymond Sacks, Richard J Harvey
BACKGROUND: The diagnosis of allergic rhinitis (AR) is based on cutaneous and serological assessment to determine immunoglobulin E (IgE)-mediated disease. However, discrepancies between these tests and nasal provocation exist. Patients diagnosed as non-allergic rhinitis (NAR) but with positive nasal allergen provocation test (NAPT) may represent a local allergic condition or entopy, still suitable to allergy interventions. The objective of this study was to determine the frequency of nasal reactivity toward allergens among AR and NAR patients, and to describe the diagnostic characteristics of NAPT methodologies...
July 20, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28727410/exosomes-mediate-epithelium-mesenchyme-crosstalk-in-organ-development
#5
Nan Jiang, Lusai Xiang, Ling He, Guodong Yang, Jinxuan Zheng, Chenglin Wang, Yimei Zhang, Sainan Wang, Yue Zhou, Tzong-Jen Sheu, Jiaqian Wu, Kenian Chen, Paulo G Coelho, Nicky M Tovar, Shin Hye Kim, Mo Chen, Yan-Heng Zhou, Jeremy J Mao
Organ development requires complex signaling by cells in different tissues. Epithelium and mesenchyme interactions are crucial for the development of the skin, hair follicles, kidney, lungs, prostate, major glands and the teeth. Despite myriad literature on cell-cell interactions and ligand-receptor binding, the roles extracellular vesicles in epithelium-mesenchyme interactions during organogenesis are poorly understood. Here, we discovered that ~100 nm exosomes were secreted by the epithelium and mesenchyme of a developing tooth organ, and diffused through the basement membrane...
July 20, 2017: ACS Nano
https://www.readbyqxmd.com/read/28727235/thermal-imaging-and-dermoscopy-for-detecting-inflammation-in-frontal-fibrosing-alopecia
#6
Anna Lis-Święty, Bartosz Miziołek, Irmina Ranosz-Janicka, Grażyna Bierzyńska-Macyszyn, Ligia Brzezińska-Wcisło
BACKGROUND: Frontal fibrosing alopecia (FFA) is an inflammatory condition of the scalp, which leads to scarring and slowly progressive recession of frontotemporal and/or frontoparietal hairline. Choice of FFA treatment is highly dependent on accurate assessment of disease phase, as medical treatments are effective only during the initial inflammatory stage. METHODS: To objectively quantify the activity of the inflammatory process in FFA, 22 female patients were examined by both infrared thermography and optical dermoscopy before tissue sampling...
July 20, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28727155/mucosal-associated-invariant-mait-cells-are-deficient-in-systemic-sclerosis
#7
Arsène Mekinian, Thibaut Mahevas, Mohamad Mohty, Vincent Jachiet, Sébastien Rivière, Olivier Fain, Béatrice Gaugler
OBJECTIVES: Systemic sclerosis (SSc) is an autoimmune disease, characterized by fibrosis of the skin and other organs, vascular impairment and deficient immune responses. Mucosal associated invariant T cells (MAIT) cells have been involved in various inflammatory and autoimmune diseases. The aim of this study was to determine the frequencies of MAIT cells in the blood of patients with systemic sclerosis (SSc), and to compare their distribution in the different types of SSc. PATIENTS AND METHODS: Blood samples from SSc patients and healthy controls were examined by flow cytometer to analyze the frequencies of MAIT and γδ T cells...
July 18, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28726572/successful-forearm-prosthesis-fitting-in-a-patient-with-epidermolysis-bullosa-dystrophica-case-report
#8
Carl Verduyn, Marie-Anne Morren, Marguerite Stas, Friedl Sinnaeve, Katarina Segers, Carlotte Kiekens
BACKGROUND: Epidermolysis bullosa dystrophica is a rare dermatological disease characterized by extreme skin fragility and elevated risk of developing a squamous cell carcinoma. In some cases, amputation of a limb is necessary. Case description and methods: A 37-year-old man with recessive, severe generalized epidermolysis bullosa dystrophica developed a squamous cell carcinoma on the right forearm requiring a below-elbow amputation. Preoperative advice concerning indication and level of amputation was given...
July 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28726542/generation-and-functional-characterization-of-anti-human-and-anti-mouse-il-36r-antagonist-monoclonal-antibodies
#9
Rajkumar Ganesan, Ernest L Raymond, Detlev Mennerich, Joseph R Woska, Gary Caviness, Christine Grimaldi, Jennifer Ahlberg, Rocio Perez, Simon Roberts, Danlin Yang, Kavita Jerath, Kristopher Truncali, Lee Frego, Eliud Sepulveda, Priyanka Gupta, Su-Ellen Brown, Michael D Howell, Keith A Canada, Rachel Kroe-Barrett, Jay S Fine, Sanjaya Singh, M Lamine Mbow
Deficiency of interleukin (IL)-36 receptor antagonist (DITRA) syndrome is a rare autosomal recessive disease caused by mutations in IL36RN. IL-36R is a cell surface receptor and a member of the IL1R family that is involved in inflammatory responses triggered in skin and other epithelial tissues. Accumulating evidence suggests that IL-36R signaling may play a role in the pathogenesis of psoriasis. Therapeutic intervention of IL-36R signaling offers an innovative treatment paradigm for targeting epithelial cell-mediated inflammatory diseases such as the life-threatening psoriasis variant called generalized pustular psoriasis (GPP)...
July 20, 2017: MAbs
https://www.readbyqxmd.com/read/28726511/how-do-probiotics-and-prebiotics-function-at-distant-sites
#10
G Reid, T Abrahamsson, M Bailey, L B Bindels, R Bubnov, K Ganguli, C Martoni, C O'Neill, H M Savignac, C Stanton, N Ship, M Surette, K Tuohy, S van Hemert
The realisation that microbes regarded as beneficial to the host can impart effects at sites distant from their habitat, has raised many possibilities for treatment of diseases. The objective of a workshop hosted in Turku, Finland, by the International Scientific Association for Probiotics and Prebiotics, was to assess the evidence for these effects and the extent to which early life microbiome programming influences how the gut microbiota communicates with distant sites. In addition, we examined how probiotics and prebiotics might affect the skin, airways, heart, brain and metabolism...
July 20, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28726085/micrornas-in-mucosal-inflammation
#11
REVIEW
Viola Neudecker, Xiaoyi Yuan, Jessica L Bowser, Holger K Eltzschig
Of the total human body's surface, the majority is internal surface, belonging to the lungs (100 m(2)) and intestinal tract (400 m(2)). In comparison, the external surface area, belonging to the skin, comprises less than 1% (2 m(2)). Continuous exposure of the mucosal surface to external factors (e.g., pathogens, food particles) requires tight regulation to maintain homeostasis. MicroRNAs (miRNAs) have gained noticeable attention as playing important roles in maintaining the steady-state of tissues by modulating immune functions and inflammatory responses...
July 20, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28726006/microrna-21-in-skin-fibrosis-potential-for-diagnosis-and-treatment
#12
REVIEW
Yan Li, Juan Zhang, Yuying Lei, Lechun Lyu, Ruiling Zuo, Ting Chen
Skin fibrosis is a common pathological process characterized by fibroblast proliferation and excessive deposition of extracellular matrix. However, the pathogenesis of the disease is still not clear. Previous studies have shown that microRNA-21 may play pivotal roles in the regulation of a variety of skin fibrosis, including keloid, scleroderma, and hypertrophic scar. In this review, we outline the structure, expression, and regulation of microRNA-21 and its role in fibrotic skin diseases. In future, it may be useful as a prognostic or diagnostic marker...
July 19, 2017: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/28726005/the-role-of-sleep-in-pemphigus-a-review-of-mechanisms-and-perspectives
#13
Matheus Negrao Pedroni, Camila Hirotsu, Adriana Maria Porro, Sergio Tufik, Monica Levy Andersen
Pemphigus is an autoimmune bullous disease that causes the development of blisters and erosions on the skin and/or mucosa. Its inflammatory process is mediated by cytokines, which interact with sleep in a bidirectional manner. Pain, a frequent symptom due to pemphigus lesions, is well known to impair sleep quality. Depression is also associated with pemphigus and pro-inflammatory cytokines and may impair sleep. Additionally, a common relationship among other dermatological diseases and sleep has increasingly been described...
July 19, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28725969/mastocytosis-from-a-molecular-point-of-view
#14
REVIEW
Daniel Elieh Ali Komi, Todd Rambasek, Stefan Wöhrl
Mast cells (MCs) are physiologically activated by binding of stem cell factor (SCF) to the extracellular domains of the Kit receptor. This binding increases the proliferation and prolongs the survival of normal mature MCs, as well as intensifies the release of mediators. In mastocytosis, somatic mutations of the coding Kit gene cause autocrine dysregulation and lead to constitutive KIT activation even in the absence of its ligand SCF. Clinical symptoms are caused by MC-mediator release and/or infiltration of MCs into tissues...
July 19, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28725947/clinical-heterogeneity-of-sapho-syndrome-challenging-diagnose-and-treatment
#15
REVIEW
Francesco Cianci, Angelo Zoli, Elisa Gremese, Gianfranco Ferraccioli
Synovitis, acne, pustulosis, hyperostosis and osteitis (SAPHO) syndrome is a rare disease which is often misdiagnosed and under-recognized, because of its peculiar and heterogeneous clinical presentation. Its main features consist of cutaneous and osteoarticular manifestations, the latter affecting more often the anterior chest wall and having typical radiologic findings. There are no validated diagnostic criteria for SAPHO and no guidelines for treatment, due mainly to its rarity; as a consequence, therapy is empirical and aimed to control pain and modifying inflammatory process...
July 19, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28725944/skin-bacterial-community-reorganization-following-metamorphosis-of-the-fire-bellied-toad-bombina-orientalis
#16
Arnaud Bataille, Larisa Lee-Cruz, Binu Tripathi, Bruce Waldman
In organisms with complex life histories, dramatic changes in microbial community structure may occur with host development and immune system maturation. Amphibian host susceptibility to diseases such as chytridiomycosis may be affected by the reorganization of skin microbial community structure that occurs during metamorphosis. We tracked changes in the bacterial communities inhabiting skin of Korean fire-bellied toads (Bombina orientalis) that we infected as tadpoles with different strains of Batrachochytrium dendrobatidis (Bd), the pathogenic fungus that causes chytridiomycosis...
July 19, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28725920/pre-papillary-vitreous-opacities-associated-with-beh%C3%A3-et-s-disease-a-case-series-and-review-of-the-literature
#17
Lindsay A Grotting, Samaneh Davoudi, Eduardo Uchiyama, Ann-Marie Lobo, George N Papaliodis, Lucia Sobrin
PURPOSE: To present pre-papillary vitreous opacity as an uncommon manifestation of inflammation in Behçet's disease that may be specific to this uveitic entity. METHODS: We retrospectively reviewed the charts of 67 patients with Behçet's disease examined at our clinic between 2005 and 2016. Behçet's disease was diagnosed based on established clinical criteria of inflammation involving the eyes, mucocutaneous junctions, and skin. Patients with Behçet's disease who presented with papillitis and a pre-papillary vitreous opacity were identified...
July 19, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28725630/curcumin-an-age-old-anti-inflammatory-and-anti-neoplastic-agent
#18
REVIEW
Matthew C Fadus, Cecilia Lau, Jai Bikhchandani, Henry T Lynch
Curcumin is a natural anti-inflammatory agent that has been used for treating medical conditions for many years. Several experimental and pharmacologic trials have demonstrated its efficacy in the role as an anti-inflammatory agent. Curcumin has been shown to be effective in treating chronic conditions like rheumatoid arthritis, inflammatory bowel disease, Alzheimer's and common malignancies like colon, stomach, lung, breast, and skin cancers. As treatments in medicine become more and more complex, the answer may be something simpler...
July 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28725623/isolation-and-characterization-of-antimicrobial-compound-from-the-stem-bark-of-the-traditionally-used-medicinal-plant-adenium-obesum
#19
Mohammed Sohail Akhtar, Mohammad Amzad Hossain, Sadri Abdullah Said
BACKGROUND: Medicinal plants constitute a natural reservoir for medicines worldwide. They serve mainstream therapeutics and are central in folklore medicine. In case of Adenium obesum (Lav, Apocynaceae), indigenous people of Oman use it for the treatment of venereal diseases, wounds, skin diseases, headaches, muscle pain as well as joint pain; yet, the active ingredients have not been classified. To screened the antioxidant and antimicrobial activities of an identified compound that we isolated from the highest active chloroform extract...
July 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28725269/musculoskeletal-echinococcus-infection-as-a-rare-first-presentation-of-hydatid-disease-case-report
#20
A Marzouki, A Naam, S Abdulrazak, B Soumaré, K Lahrach, F Boutayeb
BACKGROUND: Hydatid disease (HD) is a cosmopolitan parasitosis caused by Echinococcus granulosus that can potentially affect any part of the human body. Liver and lungs are the most frequent localizations. Primary musculoskeletal hydatidosis are seldom reported in literature and their incidence is unknown. CASE PRESENTATION: We deem interesting to report a case of a primary hydatid cyst in a 25-year-old patient who presented with a painful swelling of the right elbow...
2017: Patient Safety in Surgery
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