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https://www.readbyqxmd.com/read/28329650/increased-risk-of-opportunistic-infections-among-patients-with-moderate-to-severe-psoriasis-a-population-based-cohort-study-in-the-united-kingdom
#1
Junko Takeshita, Daniel B Shin, Alexis Ogdie, Joel M Gelfand
Infection is the second leading cause of death among psoriasis patients on phototherapy or systemic medications. The types of infections associated with psoriasis remain poorly understood. The aim of our study was to determine the risk of opportunistic infection (OI) among patients with psoriasis. We conducted a cohort study of patients with (N=199,700) and without (N=954,315) psoriasis in The Health Improvement Network electronic medical record database. Patients receiving phototherapy or systemic therapy were considered to have moderate-to-severe psoriasis (N=12,442)...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329597/melanoma-occurrence-under-long-term-etanercept-treatment-for-psoriasis-a-case-report
#2
Laura Atzori, Luca Pilloni, Severino Murgia, Cristina Mugheddu, Monica Pau, Franco Rongioletti
Melanoma occurrence during treatment with anti-tumor necrosis factor is considered an incidental event, although very recent studies suggest a risk. Etanercept is a fusion protein that binds the tumor necrosis factor receptor and is included among TNF inhibitors, approved for the treatment of several autoimmune diseases, such as psoriasis.We described a 79-year-old man with psoriasis, being treated with etanercept, who presented with a new brown to black macule on his right shoulder; this was immediately surgically excised...
October 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329550/a-case-of-perniosis
#3
Euphemia W Mu, Vitaly Terushkin, Shane A Meehan, Marie Leger, Alisa Femia
Perniosis is a localized, inflammatory reaction that ischaracterized by erythematous papules and nodulesthat often are located on the acral surfaces in youngwomen. The lesions of perniosis are thought to bedue to cold-induced vasoconstriction that leadsto hypoxemia and inflammation of the vessel wall.Histopathologic and laboratory studies are indicatedfor patients with suspected perniosis to distinguishbetween idiopathic perniosis and secondaryperniosis. Treatment includes adequate heating andclothing, proper food intake, nifedipine, ultravioletA1 phototherapy, topical glucocorticoids, andvasodilators...
December 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28319422/phototherapy-for-improvement-of-performance-and-exercise-recovery-comparison-of-3-commercially-available-devices
#4
Thiago De Marchi, Vinicius Mazzochi Schmitt, Carla Danúbia da Silva Fabro, Larissa Lopes da Silva, Juliane Sene, Olga Tairova, Mirian Salvador
CONTEXT:   Recent studies suggest the prophylactic use of low-powered laser/light has ergogenic effects on athletic performance and postactivity recovery. Manufacturers of high-powered lasers/light devices claim that these can produce the same clinical benefits with increased power and decreased irradiation time; however, research with high-powered lasers is lacking. OBJECTIVE:   To evaluate the magnitude of observed phototherapeutic effects with 3 commercially available devices...
March 20, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28318054/efficacy-and-safety-of-targeted-high-intensity-medium-band-304-312-nm-ultraviolet-b-light-in-pediatric-vitiligo
#5
Da-Ke Dong, Zhan-Yan Pan, Juan Zhang, Xue-Fen Lu, Cheng Jin, Shi-Qin Tao, Li-Jia Yang
BACKGROUND/OBJECTIVES: Phototherapy is a commonly used treatment for vitiligo that has demonstrated safety and efficacy. High-intensity targeted ultraviolet B (UVB) light (304-312 nm) delivered using a phototherapy device is a useful therapeutic option because it can induce repigmentation in a short time without global exposure to radiation, but information regarding this device in children is limited. METHODS: We performed a retrospective analysis of 95 patches of vitiligo in 27 children treated using a targeted phototherapy device...
March 20, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28317532/the-role-of-diet-and-supplements-in-vitiligo-management
#6
REVIEW
Pearl E Grimes, Rama Nashawati
Vitiligo is an autoimmune disorder that involves the interplay between oxidative stress and the immune system. Preliminary observations suggest that the presence of gluten in the diet may play a role in vitiligo development in some patients, but to date vitiligo-specific diets have not been studied. The role of oral supplements, including vitamins, minerals, and botanicals, is increasingly being investigated as adjuncts to conventional medical treatment due to their antioxidant and immunomodulatory activity...
April 2017: Dermatologic Clinics
https://www.readbyqxmd.com/read/28317527/phototherapy-and-combination-therapies-for-vitiligo
#7
REVIEW
Samia Esmat, Rehab A Hegazy, Suzan Shalaby, Stephen Chu-Sung Hu, Cheng-Che E Lan
Vitiligo is a disease characterized by disappearance of melanocytes from the skin. It can negatively influence the physical appearance of affected individuals, and may profoundly affect a person's psychosocial function and quality of life. Therefore, vitiligo should not be considered as merely a condition that affects a patient's appearance, but needs to be actively treated in patients who seek medical help. Phototherapy has been used as the main treatment modality for patients with vitiligo. Different forms of phototherapy for vitiligo include broadband UVB, narrowband UVB, excimer light and excimer laser, and psoralen plus UVA...
April 2017: Dermatologic Clinics
https://www.readbyqxmd.com/read/28317526/medical-and-maintenance-treatments-for-vitiligo
#8
REVIEW
Thierry Passeron
Medical treatments alone, or in combination with phototherapy, are key approaches for treating nonsegmental vitiligo and, to a lesser extent, segmental vitiligo. The treatments are useful for halting disease progression and have been proven effective for inducing repigmentation and decreasing risk of relapses. Although the treatments have side effects and limitations, vitiligo often induces a marked decrease in quality of life and in most cases the risk:benefit ratio is in favor of an active approach. Systemic and topical agents targeting the pathways involved in loss of melanocytes and in differentiation of melanocyte stem cells should provide more effective approaches in the near future...
April 2017: Dermatologic Clinics
https://www.readbyqxmd.com/read/28317522/skin-cancer-risk-nonmelanoma-skin-cancers-melanoma-in-vitiligo-patients
#9
REVIEW
Michelle Rodrigues
The relative genetic and immune protection against melanoma and nonmelanoma skin cancers in those with vitiligo is reassuring. The results of recent studies allow us to be cautiously optimistic when discussing the risk of skin cancer caused by therapeutic exposure to narrow-band ultraviolet B light. However, we should continue to recommend sun protection at all other times to avoid burning in vitiliginous skin and to decrease incidental ultraviolet exposure. It is also important to perform full skin checks regularly in light of the prolonged courses of phototherapy required to repigment vitiliginous skin and maintain repigmentation thereafter...
April 2017: Dermatologic Clinics
https://www.readbyqxmd.com/read/28306236/hydrophobic-ir-780-dye-encapsulated-in-crgd-conjugated-solid-lipid-nanoparticles-for-nir-imaging-guided-photothermal-therapy
#10
Ye Kuang, Kunchi Zhang, Yi Cao, Xing Chen, Kewei Wang, Min Liu, Renjun Pei
It is highly demanded to improve the accumulation of NIR theranostic agents in tumor region, which is favorable to the effective phototherapy. IR-780 iodide, a near-infrared (NIR) fluorescence dye, possesses higher and more stable fluorescence intensity than clinically applied dye indocyanine green (ICG), and can be utilized in imaging-guided photothermal therapy with laser irradiation. However, lipophilicity, short circulation time and lack of targeting specificity limit its applications in cancer imaging and therapy...
March 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28303596/the-phototoxic-potential-of-the-flavonoids-taxifolin-and-quercetin
#11
Alena Rajnochová Svobodová, Alena Ryšavá, Michaela Psotová, Pavel Kosina, Bohumil Zálešák, Jitka Ulrichová, Jitka Vostálová
Quercetin, one of the most abundant polyphenols in the plant kingdom has been shown to be photodegraded on exposure to UV light. Despite the fact, it is a component of several dermatological preparations. Its phototoxic potential has not been evaluated to date. The aim of this study was to assess whether photo-induced degradation of quercetin is linked to phototoxic effects on living cells. Its dihydro derivative, taxifolin was included in the study. For evaluation, the 3T3 Neutral Red Uptake Phototoxicity Test according to OECD TG 432, was used...
March 16, 2017: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/28303523/initiation-switching-and-cessation-of-psoriasis-treatments-among-patients-with-moderate-to-severe-psoriasis-in-the-united-states
#12
April W Armstrong, J Will Koning, Simon Rowse, Huaming Tan, Carla Mamolo, Mandeep Kaur
BACKGROUND: Psoriasis patients frequently switch among multiple therapies while managing their psoriasis. Determining treatment transitions is fundamental to understanding how patients access and use treatments. OBJECTIVE: We aimed to identify patterns of treatment transitions of US patients with moderate to severe psoriasis over 5 years. METHODS: This was a retrospective, longitudinal cohort study in which US patients aged ≥18 years who had at least one psoriasis claim (International Classification of Diseases, Ninth Revision [ICD-9] diagnosis) were continuously enrolled in a health plan between October 2007 and September 2012...
March 16, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/28303481/morphea-and-eosinophilic-fasciitis-an-update
#13
REVIEW
Jorre S Mertens, Marieke M B Seyger, Rogier M Thurlings, Timothy R D J Radstake, Elke M G J de Jong
Morphea, also known as localized scleroderma, encompasses a group of idiopathic sclerotic skin diseases. The spectrum ranges from relatively mild phenotypes, which generally cause few problems besides local discomfort and visible disfigurement, to subtypes with severe complications such as joint contractures and limb length discrepancies. Eosinophilic fasciitis (EF, Shulman syndrome) is often regarded as belonging to the severe end of the morphea spectrum. The exact driving mechanisms behind morphea and EF pathogenesis remain to be elucidated...
March 16, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28301626/zoon-balanitis-revisited-report-of-balanitis-circumscripta-plasmacellularis-resolving-with-topical-mupirocin-ointment-monotherapy
#14
Michael A Lee, Philip R Cohen
<p>INTRODUCTION: Zoon balanitis is an idiopathic benign inflammatory condition of the glans penis and prepuce. A patient with biopsy confirmed diagnosis of Zoon balanitis who was successfully treated with topical mupirocin ointment monotherapy is described.</p> <p>METHOD: A search using PubMed database was performed using the following terms: Zoon balanitis (cases, diagnosis, treatment of), balanitis circumscripta plasmacellularis, and mupirocin. Relevant papers and their reference citations were reviewed and evaluated...
March 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28301045/beneficial-effect-of-ustekinumab-in-familial-pityriasis-rubra-pilaris-with-a-new-missense-mutation-in-card14
#15
S M Lwin, C-K Hsu, L Liu, H-Y Huang, N J Levell, J A McGrath
Pityriasis rubra pilaris (PRP) represents a group of rare chronic inflammatory skin disorders in which ~1 in 20 affected individuals show autosomal dominant inheritance. In such cases, there may be gain-of-function mutations in CARD14, encoding caspase recruitment domain-containing protein 14 (CARD14) that activates the non-canonical nuclear factor-kappa B (NF-κB) pathway, thereby promoting cutaneous inflammation. Here, we report a mother and son with PRP due to a new missense mutation in CARD14 and describe the beneficial clinical effects of ustekinumab, a monoclonal antibody against interleukins-12 and -23, in both subjects...
March 16, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28300912/mycosis-fungoides-and-kaposi-s-sarcoma-association-in-an-hiv-negative-patient
#16
Maria Carolina Prado Fleury Bariani, Luiz Fernando Fróes Fleury, Ana Maria Quinteiro Ribeiro, Siderley de Souza Carneiro, Tiago Arantes Pereira
The association of mycosis fungoides and kaposi's sarcoma in HIV-negative patients is a rare phenomenon. The presence of human herpesvirus 8 (HHV-8) - associated with all forms of Kaposi's sarcoma - has also been recently identified in mycosis fungoides lesions. However, a causal association between HHV-8 and the onset of mycosis fungoides has not been established yet. The present case reports a patient who developed Kaposi's sarcoma lesions after a two-year UVB phototherapy to treat a mycosis fungoides. Negative immunohistochemistry staining for Kaposi's sarcoma-associated herpesvirus in the initial mycosis fungoides lesions strengthens the absence of a link between Kaposi's sarcoma-associated herpesvirus and mycosis fungoides...
September 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28300860/annular-elastolytic-giant-cell-granuloma-successfully-treated-with-adalimumab-subsequently-complicated-by-drug-induced-lupus
#17
Adele Haimovic, Hideko Kamino, David E Cohen
We report a 51-year-old female with a 3-year history of recalcitrant annular elastolytic giant cell granuloma (AEGCG) who was effectively treated with the anti-tumor necrosis factor (TNF)-alpha antibody, adalimumab. Her disease was refractory to topical glucocorticoids, intralesional glucocorticoids, narrow-band ultraviolet light (UV)-B phototherapy and cyclosporine. During her treatment with adalimumab she developed a positive anti-nuclear-antibody and double-stranded-DNA antibody and her treatment was terminated...
February 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28300067/superfast-assembly-and-synthesis-of-gold-nanostructures-using-nanosecond-low-temperature-compression-via-magnetic-pulsed-power
#18
Binsong Li, Kaifu Bian, J Matthew D Lane, K Michael Salerno, Gary S Grest, Tommy Ao, Randy Hickman, Jack Wise, Zhongwu Wang, Hongyou Fan
Gold nanostructured materials exhibit important size- and shape-dependent properties that enable a wide variety of applications in photocatalysis, nanoelectronics and phototherapy. Here we show the use of superfast dynamic compression to synthesize extended gold nanostructures, such as nanorods, nanowires and nanosheets, with nanosecond coalescence times. Using a pulsed power generator, we ramp compress spherical gold nanoparticle arrays to pressures of tens of GPa, demonstrating pressure-driven assembly beyond the quasi-static regime of the diamond anvil cell...
March 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28291372/spotlight-on-the-delivery-of-photosensitizers-different-approaches-for-photodynamic-based-therapies
#19
Diogo Silva Pellosi, Priscila da Costa Carvalho de Jesus, Antonio Claudio Tedesco
Nanomedicine development allowed the discovery of new photosensitizers (PS) and drug delivery systems (DDS) to overcome current issues on phototherapy. Nano-engineered materials have the potential to improve the solubility of PS, control drug pharmacokinetics, decreasing side effects, increasing bioavailability, and overcoming multidrug resistance. A recent approach is the co-delivery of PS with other therapeutic agents in a multimodal platform for synergic and improved results. Areas Covered: This paper discusses the delivery of PS-nanostructured platforms for conventional, photothermal, and antimicrobial photodynamic therapies, as well as in a recent therapeutic modality for photobiomodulation, covering applications of cancer diagnosis, targeting to skin pathogens, photoregeneration and wound healing...
March 14, 2017: Expert Opinion on Drug Delivery
https://www.readbyqxmd.com/read/28287189/efficient-photocatalytic-bilirubin-removal-over-the-biocompatible-core-shell-p25-g-c3n4-heterojunctions-with-metal-free-exposed-surfaces-under-moderate-green-light-irradiation
#20
Shifei Kang, Hengfei Qin, Lu Zhang, Yongkui Huang, Xia Bai, Xi Li, Di Sun, Yangang Wang, Lifeng Cui
Highly-monodispersed g-C3N4/TiO2 hybrids with a core/shell structure were synthesized from a simple room temperature impregnation method, in which g-C3N4 was coated through self-assembly on the commercially available Degussa P25 TiO2 nanoparticles. Structural and surface characterizations showed that the presence of g-C3N4 notably affected the light absorption characteristics of TiO2. The g-C3N4/TiO2 heterojunctions with metal-free exposed surfaces were directly used as biocompatible photocatalysts for simulated jaundice phototherapy under low-power green-light irradiation...
March 13, 2017: Scientific Reports
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