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https://www.readbyqxmd.com/read/29345422/cantharidic-acid-induces-apoptosis-of-human-leukemic-hl-60-cells-via-c-jun-n-terminal-kinase-regulated-caspase-8-9-3-activation-pathway
#1
Shih-Chung Wang, Jyh-Ming Chow, Ming-Hsien Chien, Chiao-Wen Lin, Hui-Yu Chen, Pei-Ching Hsiao, Shun-Fa Yang
Cantharidin, a natural toxin from blister beetles, has shown potent anticancer activities on many solid tumor cells. Recently, cantharidin and its analogue, norcantharidin, were also shown to suppress nonsolid tumors such as chronic myeloid leukemia, acute myeloid leukemia (AML), and leukemic stem cells. However, there is no available information to address the effects of cantharidic acid (CAC), a hydrolysis product of cantharidin, on human AML cells. The present study showed that CAC, at a range of concentrations (0-20 μM), concentration-dependently inhibited cell proliferation in the HL-60 AML cell line...
January 18, 2018: Environmental Toxicology
https://www.readbyqxmd.com/read/29344321/fixed-drug-eruption-to-supplement-containing-ginkgo-biloba-and-vinpocetine-a-case-report-and-review-of-related-cutaneous-side-effects
#2
Philip R Cohen
BACKGROUND: Fixed drug eruption is a cutaneous reaction to a systemic agent that typically presents as an annular or oval erythematous patch or blister and subsequently resolves with postinflammatory hyperpigmentation at the site. Ginkgo biloba leaf extract and vinpocetine are nutritional supplements used to enhance memory in patients with dementia and age-related memory impairment conditions such as Alzheimer's disease. PURPOSE: To describe a fixed drug eruption in a man who repeatedly developed pruritus and macular erythema on his distal penile shaft after ingesting a natural product containing Ginkgo biloba and vinpocetine...
October 2017: Journal of Clinical and Aesthetic Dermatology
https://www.readbyqxmd.com/read/29341355/reflectance-confocal-microscopy-and-optical-coherence-tomography-for-the-diagnosis-of-bullous-pemphigoid-and-pemphigus-and-surrounding-sub-clinical-lesions
#3
V D Mandel, E Cinotti, E Benati, B Labeille, S Ciardo, C Vaschieri, F Cambazard, J L Perrot, G Pellacani
BACKGROUND: Diagnosis of bullous pemphigoid (BP) and pemphigus is based on clinical features, histology, immunofluorescence and laboratory data. OBJECTIVES: To evaluate features of BP and pemphigus at reflectance confocal microscopy (RCM) and optical coherence tomography (OCT) in order to provide a rapid non-invasive bed-side diagnosis. Secondary objective was to evaluate the detectability of clinically non-visible lesions. METHODS: This was an observational, retrospective, multicentre study in which patients with suspicious lesions for BP or pemphigus underwent clinical assessment, RCM, OCT, blood tests and skin biopsy for histological and direct immunofluorescence examinations from January 2014 to December 2015...
January 16, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29341069/reliability-and-validity-of-iscoreb-instrument-for-scoring-clinical-outcomes-of-research-for-epidermolysis-bullosa
#4
A L Bruckner, D L Fairclough, J A Feinstein, I Lara-Corrales, Anne W Lucky, Jakub Tolar, Elena Pope
BACKGROUND: Epidermolysis bullosa (EB) is a group of rare and currently incurable genetic blistering disorders. As more pathogenic driven therapies are being developed, the need for EB-specific validated outcomes measures designed for use in clinical trials is becoming important. OBJECTIVES: We previously reported on development of an instrument for scoring clinical outcomes of research for Epidermolysis Bullosa (iscorEB), a new combined clinician and patient reported outcomes tool...
January 17, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29336324/diagnostic-value-of-autoantibody-titres-in-patients-with-bullous-pemphigoid
#5
Julia Eckardt, Franziska C Eberle, Kamran Ghoreschi
BACKGROUND: Bullous pemphigoid (BP) is the most common autoimmune blistering disease of the skin requiring skin and serum tests for a precise diagnosis. Objectives We analysed the sensitivity and specificity of BP-relevant parameters and the value of autoantibody titres during follow-up of BP patients. MATERIALS & METHODS: In a retrospective single-centre study, we included 200 consecutive patients with BP and 400 non-BP patients, and evaluated the test results of patients' serum and skin...
January 16, 2018: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/29335495/dysfunction-of-cd19-cd24hicd27-b-regulatory-cells-in-patients-with-bullous-pemphigoid
#6
Zhenfeng Liu, Erle Dang, Bing Li, Hongjiang Qiao, Liang Jin, Jieyu Zhang, Gang Wang
Bullous pemphigoid (BP) is an autoimmune blistering skin disease characterized by the production of autoantibodies against the hemidesmosomal protein BP180. B regulatory cells (Bregs) are crucial in maintaining self-tolerance and suppressing autoantibody production. However, it is still unclear whether the dysfunctions of Bregs contributes to the autoantibody production in BP patients. In this study, we found that CD19+CD24hiCD27+ Bregs and IL-10+CD19+ Bregs were significantly increased in the peripheral blood samples of BP patients compared with that in healthy controls...
January 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29332930/bullosis-diabeticorum-a-rare-presentation-with-immunoglobulin-g-igg-deposition-related-vasculopathy-case-report-and-focused-review
#7
Hardik Sonani, Sohail Abdul Salim, Vishnu V Garla, Anna Wile, Venkataraman Palabindala
BACKGROUND Bullosis diabeticorum (BD) is a condition characterized by recurrent, spontaneous, and non-inflammatory blistering in patients with poorly controlled diabetes mellitus. While etiopathogenesis remains unclear, roles of neuropathy, vasculopathy and UV light are hypothesized. Most literature reports negative direct and indirect immunofluorescence findings in diabetics with bullous eruptions. Porphyria cutanea tarda, bullous pemphigoid, epidermolysis bullosa, and pseudoporphyria are other differential diagnoses of bullous lesions, and they must be excluded...
January 15, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29329666/advances-in-self-healing-materials-based-on-vascular-networks-with-mechanical-self-repair-characteristics
#8
REVIEW
Min Wook Lee, Seongpil An, Sam S Yoon, Alexander L Yarin
Here, we review the state-of-the-art in the field of engineered self-healing materials. These materials mimic the functionalities of various natural materials found in the human body (e.g., the healing of skin and bones by the vascular system). The fabrication methods used to produce these "vascular-system-like" engineered self-healing materials, such as electrospinning (including co-electrospinning and emulsion spinning) and solution blowing (including coaxial solution blowing and emulsion blowing) are discussed in detail...
December 24, 2017: Advances in Colloid and Interface Science
https://www.readbyqxmd.com/read/29327699/nail-changes-in-autoimmune-blistering-disorders-a-case-control-study
#9
Vaishnavi Gopal, Manjunath Mala Shenoy, Vishal Bejai, Thansiha Nargis
BACKGROUND: Pemphigus and pemphigoid disorders produce blistering cutaneous lesions. Earlier case reports state that nail involvement is uncommon in these autoimmune blistering disorders. AIMS AND OBJECTIVES: To study nail changes in autoimmune blistering disorders. METHODS: A case-control study was conducted where 40 cases and 40 controls were evaluated for nail changes. RESULTS: Nail changes were seen in 72.5% of cases and 17...
January 12, 2018: Indian Journal of Dermatology, Venereology and Leprology
https://www.readbyqxmd.com/read/29326825/staphylococcal-scalded-skin-syndrome-a-pediatric-dermatology-case-report
#10
Girish Gulab Meshram, Neeraj Kaur, Kanwaljeet Singh Hura
Staphylococcal scalded skin syndrome is a condition which predominantly affects children and causes a spectrum of skin lesions. We present a case of a 2-month-old infant with complaints of fever and fragile blisters over the body. The mucosal areas were spared. The diagnosis of staphylococcal scalded skin syndrome was reached on clinical grounds and culture report. The patient responded well to the treatment, which included an antibiotic (cloxacillin), an analgesic (paracetamol), and hydration with intravenous fluids...
2018: SAGE Open Medical Case Reports
https://www.readbyqxmd.com/read/29325955/endovascular-patch-embolization-for-blood-blister-like-aneurysms-in-the-dorsal-segment-of-the-internal-carotid-artery
#11
Xudong Hao, Guilin Li, Jian Ren, Jingwei Li, Chuan He, Hong-Qi Zhang
OBJECTIVE: Blood blister-like aneurysms (BBAs) in the dorsal segment of the internal carotid artery (ICA) are fragile and difficult to treat, and the optimal treatment for BBAs is still controversial. We report clinical and angiographic results with procedural details for the treatment of BBA by using the endovascular patch embolization method. METHODS: We retrospectively reviewed patients who presented with subarachnoid hemorrhage(SAH) caused by ICA-BBAs and were treated with the endovascular patch embolization method in our center from October 2011 to March 2015...
January 8, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29324427/lemons-in-the-arizona-sunshine-the-effects-of-furocoumarins-leading-to-phytophotodermatitis-and-burn-like-injuries
#12
Marc R Matthews, Joel C VanderVelde, Daniel M Caruso, Kevin N Foster
INTRODUCTION: Phytophototoxic dermatitis is a strong phototoxic reaction to ultraviolet A (UV-A) radiation exposure after cutaneous contact with citrus fruit containing furocoumarins, leading to skin injury. At the Arizona Burn Center (Phoenix, AZ), the majority of these injuries are managed in the outpatient setting. CASE REPORT: The authors present a pediatric admission for burn-like injuries following prolonged cutaneous exposure to lemons while playing in the Arizona sunshine...
December 2017: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/29322633/preclinical-evaluation-of-melanocyte-transplantation-by-chitosan-based-melanocyte-spheroid-patch-to-skin-prepared-by-controlled-sunburn-blistering
#13
Sabrina Mai-Yi Fan, Po-Hua Chen, Yu-Ting Tseng, Jin-Bon Hong, Wannhsin Chen, Tsen-Fang Tsai, Sung-Jan Lin
Transplantation of autologous cultured melanocytes as cell suspension has been used for the treatment of vitiligo. The recipient site is often prepared by laser-mediated dermabrasion. Such procedures encounter disadvantages including prolonged transplantation duration, unsecured cell adherence to lesional skin and potential scarring. To improve this, here we propose a method by preparing recipient sites before transplantation by psoralen and ultraviolet A (PUVA)-induced sunburn followed by transplanting cells with a chitosan-based melanocyte spheroid patch...
January 10, 2018: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/29316366/impact-of-radiation-therapy-on-scleroderma-and-cancer-outcomes-in-scleroderma-patients-with-breast-cancer
#14
Dhaval J Shah, Ram Hirpara, Corrie L Poelman, Adrianne Woods, Laura K Hummers, Fredrick M Wigley, Jean L Wright, Arti Parekh, Virginia D Steen, Robyn T Domsic, Ami A Shah
OBJECTIVES: We examined SSc patients with breast cancer to 1) identify the prevalence of radiation complications and 2) examine SSc outcomes in SSc patients who received radiation therapy (RT) as part of their cancer treatment. METHODS: Patients with SSc and breast cancer were identified from the Johns Hopkins and University of Pittsburgh Scleroderma Center databases. We examined whether erythema, blistering, ulceration, or thickening of the skin developed in the RT port...
January 5, 2018: Arthritis Care & Research
https://www.readbyqxmd.com/read/29316016/non-invasive-measurement-of-reepithelialization-and-microvascularity-of-suction-blister-wounds-with-benchmarking-to-histology
#15
Heidi Fhaer Larsen, Malin Glindvad Ahlström, Lise Mette Rahbek Gjerdrum, Mette Mogensen, Khaled Ghathian, Henrik Calum, Anne Lyngholm Sørensen, Julie Lyng Forman, Mark Vandeven, Marian N Holerca, Laurence Du-Thumm, Lars Nannestad Jorgensen, Magnus S Ågren
We explored use of the suction-blister wound model in the assessment of not only epidermal regeneration but also pain, the microvascular response and bacteriology. The effects of topical zinc sulfate were studied to articulate the methodologies in this double-blind trial. One epidermal suction blister (10 mm) was induced on each buttock in 30 healthy volunteers (15 females:15 males) and de-roofed on day 0. The wounds were randomized to daily treatment with 1.4% zinc sulfate shower gel (n = 20), placebo (n = 20) or control (n = 20)...
January 8, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29310928/sofosbuvir-and-velpatasvir-for-hepatitis-c-virus-infection-in-people-with-recent-injection-drug-use-simplify-an-open-label-single-arm-phase-4-multicentre-trial
#16
Jason Grebely, Olav Dalgard, Brian Conway, Evan B Cunningham, Philip Bruggmann, Behzad Hajarizadeh, Janaki Amin, Julie Bruneau, Margaret Hellard, Alain H Litwin, Philippa Marks, Sophie Quiene, Sharmila Siriragavan, Tanya L Applegate, Tracy Swan, Jude Byrne, Melanie Lacalamita, Adrian Dunlop, Gail V Matthews, Jeff Powis, David Shaw, Maria Christine Thurnheer, Martin Weltman, Ian Kronborg, Curtis Cooper, Jordan J Feld, Chris Fraser, John F Dillon, Phillip Read, Ed Gane, Gregory J Dore
BACKGROUND: Despite revised guidelines that no longer exclude people who inject drugs (PWID) from treatment for hepatitis C virus (HCV) infection, many clinicians are reluctant to treat recent PWID. This study aimed to evaluate the efficacy of sofosbuvir and velpatasvir therapy in people with chronic HCV infection and recent injection drug use. METHODS: In this open-label, single-arm phase 4 trial (SIMPLIFY), we recruited participants with recent injection drug use (past 6 months) and chronic HCV genotype 1-6 infection from seven countries (19 sites)...
January 5, 2018: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29301743/blisters-in-disguise
#17
E A Dowlatshahi, Gfh Diercks, Mba van Doorn
No abstract text is available yet for this article.
January 4, 2018: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29300852/progeny-density-and-nest-availability-affect-parasitism-risk-and-reproduction-in-a-solitary-bee-osmia-lignaria-hymenoptera-megachilidae
#18
Shahla Farzan
Gregarious nesting behavior occurs in a broad diversity of solitary bees and wasps. Despite the prevalence of aggregative nesting, the underlying drivers and fitness consequences of this behavior remain unclear. I investigated the effect of two key characteristics of nesting aggregations (cavity availability and progeny density) on reproduction and brood parasitism rates in the blue orchard bee (Osmia lignaria Say) (Hymenoptera: Megachilidae), a solitary species that nests gregariously and appears to be attracted to nesting conspecifics...
December 30, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/29299693/picosecond-532-nm-neodymium-doped-yttrium-aluminum-garnet-laser-a-promising-modality-for-the-management-of-verrucous-epidermal-nevi
#19
Assi Levi, Dan Ben Amitai, Daniel Mimouni, Yael A Leshem, Ofir Arzi, Moshe Lapidoth
The verrucous epidermal nevus (VEN) is the most common type of epidermal nevi. As lesions can be disfiguring, treatment is often sought. Many therapeutic approaches have been reported, with variable efficacy and safety. Picosecond (PS) lasers are novel laser devices designated to target small chromophores. A side effect of these lasers is blistering due to epidermal-dermal separation. We aimed to harness this side effect of the PS lasers to treat patients with VEN. The purpose of this study was to report our experience treating VEN using a PS 532-nm laser...
January 3, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29299431/a-review-on-botanicals-with-wound-healing-activity-for-pemphigus-vulgaris-perspective-of-traditional-persian-medicine-and-conventional-medicine
#20
REVIEW
Fatemeh Atarzadeh, Amir Mohammad Jaladat, Babak Daneshfard, Ladan Dastgheib, Mohammad Kamalinejad, Gholamreza Amin
Objective: As a rare autoimmune disease, pemphigus vulgaris has a poor prognosis especially in lack of proper medical support. This blistering disease involves both the skin and mucus membranes. The challenge is improving the healing process of skin lesions of which, superimposed infections are among the main causes of the disease mortality. Accordingly, we aimed to assess the treatment options suggested by traditional Persian medicine (TPM) and compare them with current findings. Materials and Methods: We studied the main clinical and pharmaceutical textbooks of TPM (Kitāb al-hāwīfī al-tibb, the Canon of Medicine, Eksir-e-Aazam, Tuhfat al-mu'minīn, Makhzan al-adviyah (focusing on the skin chapter and respective herbal remedies for the inflamed skin and ulcers...
November 2017: Avicenna Journal of Phytomedicine
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