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https://www.readbyqxmd.com/read/28815697/case-control-study-of-chronic-low-level-exposure-of-inorganic-arsenic-species-and-non-melanoma-skin-cancer
#1
Tae-Hoon Kim, Jeong-Wook Seo, Young-Seoub Hong, Ki-Hoon Song
A significant relationship between arsenic exposure and non-melanoma skin cancer (NMSC) is well known. The toxicity of arsenics which develop NMSC is dependent on their species. Accordingly, total arsenic levels are unreliable for risk assessment of NMSC. However, there are few studies on quantitative exposure assessment of arsenic species in NMSC patients. To validate the contribution of each arsenic species to NMSC, we compared the creatinine-adjusted urinary concentration of arsenic species in NMSC patients and community controls...
August 16, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28814448/carcinogen-susceptibility-is-regulated-by-genome-architecture-and-predicts-cancer-mutagenesis
#2
Pablo E García-Nieto, Erin K Schwartz, Devin A King, Jonas Paulsen, Philippe Collas, Rafael E Herrera, Ashby J Morrison
The development of many sporadic cancers is directly initiated by carcinogen exposure. Carcinogens induce malignancies by creating DNA lesions (i.e., adducts) that can result in mutations if left unrepaired. Despite this knowledge, there has been remarkably little investigation into the regulation of susceptibility to acquire DNA lesions. In this study, we present the first quantitative human genome-wide map of DNA lesions induced by ultraviolet (UV) radiation, the ubiquitous carcinogen in sunlight that causes skin cancer...
August 16, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28814301/incidence-of-cancer-among-licenced-commercial-pilots-flying-north-atlantic-routes
#3
Eva Maria Gudmundsdottir, Jon Hrafnkelsson, Vilhjalmur Rafnsson
BACKGROUND: To evaluate cancer incidence among licenced commercial pilots in association with cosmic radiation. METHODS: Cohort study where ionizing radiation dose of cosmic radiation was estimated from airline data and software program and cancer incidence was obtained by record linkage with nation-wide cancer registry. All licenced commercial male airline pilots were followed from 1955 to 2015, ever or never employed at airline with international routes. Standardized incidence ratios were calculated and relative risk by Poisson regression, to examine exposure-response relation...
August 16, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28809055/apoptotic-effect-of-astragalin-in-melanoma-skin-cancers-via-activation-of-caspases-and-inhibition-of-sry-related-hmg-box-gene-10
#4
Ok Heui You, Eun Ah Shin, Hyemin Lee, Ju-Ha Kim, Deok Yong Sim, Jung Hyo Kim, Younghwan Kim, Jae-Ho Khil, Nam-In Baek, Sung-Hoon Kim
Though Astragalin (kaempferol-3-glucoside) contained in Paeonia lactiflora and other plants was known to have anti-oxidant, antiinflammatory, and anti-tumor activity, the anti-tumor mechanism of Astragalin has never been reported in melanomas until now. Thus, in the present study, the underlying apoptotic mechanism of Astragalin isolated from Aceriphyllum rossii was elucidated in A375P and SK-MEL-2 melanoma cells. Astragalin exerted cytotoxicity in A375P and SK-MEL-2 cells in a concentration-dependent manner...
August 15, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28809039/juvenile-melanomas-western-australian-melanoma-advisory-service-experience
#5
Jie Xin Xu, Sharnice Koek, Samantha Lee, Mark Hanikeri, Mark Lee, Trevor Beer, Christobel Saunders
BACKGROUND/OBJECTIVES: Juvenile melanoma (before 20 years of age) is a rare condition with poorly defined risk factors. We describe features of juvenile melanoma in Western Australia over the last two decades. METHOD: A retrospective review of juvenile melanomas was conducted from prospectively maintained databases, reviewed for patients' characteristics, clinical information, histology, treatment, recurrence and survival data. RESULTS: Altogether 95 cases of juvenile melanoma were reported to the Western Australian Cancer Registry between 2000 and 2013...
August 15, 2017: Australasian Journal of Dermatology
https://www.readbyqxmd.com/read/28808925/recommendations-of-the-spanish-brachytherapy-group-geb-of-spanish-society-of-radiation-oncology-seor-and-the-spanish-society-of-medical-physics-sefm-for-high-dose-rate-hdr-non-melanoma-skin-cancer-brachytherapy
#6
S Rodríguez, M Arenas, C Gutierrez, J Richart, J Perez-Calatayud, F Celada, M Santos, A Rovirosa
Clinical indications of brachytherapy in non-melanoma skin cancers, description of applicators and dosimetry recommendations are described based on the literature review, clinical practice and experience of Spanish Group of Brachytherapy and Spanish Society of Medical Physics reported in the XIV Annual Consensus Meeting on Non Melanoma Skin Cancer Brachytherapy held in Benidorm, Alicante (Spain) on October 21st, 2016. All the recommendations for which consensus was achieved are highlighted in blue. Regular and small surfaces may be treated with Leipzig, Valencia, flap applicators or electronic brachytherapy (EBT)...
August 14, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28806730/a-systems-approach-reveals-distinct-metabolic-strategies-among-the-nci-60-cancer-cell-lines
#7
Maike K Aurich, Ronan M T Fleming, Ines Thiele
The metabolic phenotype of cancer cells is reflected by the metabolites they consume and by the byproducts they release. Here, we use quantitative, extracellular metabolomic data of the NCI-60 panel and a novel computational method to generate 120 condition-specific cancer cell line metabolic models. These condition-specific cancer models used distinct metabolic strategies to generate energy and cofactors. The analysis of the models' capability to deal with environmental perturbations revealed three oxotypes, differing in the range of allowable oxygen uptake rates...
August 14, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28805940/new-and-current-preventive-treatment-options-in-actinic-keratosis
#8
REVIEW
P Arenberger, M Arenbergerova
Actinic keratosis (AK) is a characteristic skin lesion on skin areas of subjects with mainly phototype I and phototype II, or with specific genetic factors and who are exposed to prolonged ultraviolet radiation. AK may be considered a precursor of in situ squamous cell carcinoma (SCC), a type of non-melanoma skin cancer (NMSC). However, it is still not possible to predict which AK lesions will develop into SCC. Early treatment of AK is therefore recommended. Despite the increasing number of patients with AK developing into SCC, to date, there is still no clear suggestion of therapeutic strategy for AK...
September 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28802329/skin-lesion-computational-diagnosis-of-dermoscopic-images-ensemble-models-based-on-input-feature-manipulation
#9
Roberta B Oliveira, Aledir S Pereira, João Manuel R S Tavares
BACKGROUND AND OBJECTIVES: The number of deaths worldwide due to melanoma has risen in recent times, in part because melanoma is the most aggressive type of skin cancer. Computational systems have been developed to assist dermatologists in early diagnosis of skin cancer, or even to monitor skin lesions. However, there still remains a challenge to improve classifiers for the diagnosis of such skin lesions. The main objective of this article is to evaluate different ensemble classification models based on input feature manipulation to diagnose skin lesions...
October 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28800032/malignant-melanoma-incidence-trends-in-a-mediterranean-population-following-socioeconomic-transition-and-war-results-of-age-period-cohort-analysis-in-croatia-1989-2013
#10
Jelena Barbaric, Mathieu Laversanne, Ariana Znaor
The aim of this study was to analyse trends of malignant melanoma incidence in Croatia for men and women of different age groups by birth cohorts and time periods, and to interpret them in the context of national socioeconomic changes over time and the possible implications for future prevention in South-Eastern European postcommunist countries with high mortality rates. We used the Croatian National Cancer Registry data to analyse incidence trends of malignant melanoma of the skin (ICD-9 code 172 and ICD-10 code C43) in men and women aged 25-79 years by age-period-cohort modelling...
August 10, 2017: Melanoma Research
https://www.readbyqxmd.com/read/28799560/the-importance-of-immunosuppression-as-risk-and-prognostic-factor-for-non-melanoma-skin-cancers
#11
G Albanese, L C Abercrombie
No abstract text is available yet for this article.
August 11, 2017: Eye
https://www.readbyqxmd.com/read/28799406/a-polymorphic-ggc-repeat-in-the-npas2-gene-and-its-association-with-melanoma
#12
Alessandra Franzoni, Elitza Markova-Car, Sanja Dević-Pavlić, Davor Jurišić, Cinzia Puppin, Catia Mio, Marila De Luca, Giulia Petruz, Giuseppe Damante, Sandra Kraljević Pavelić
Circadian clock regulation in mammals is controlled by feedback loops of a set of circadian genes. One of these circadian genes, NPAS2, encodes for a member of the bHLH-PAS class of transcription factors and is expressed in the forebrain and in some peripheral organs such as liver and skin. Other biological processes are also regulated by circadian genes. For example, NPAS2 is involved in cell proliferation, DNA damage repair and malignant transformation. Aberrant expression of clock genes has been previously observed in melanoma which led to our effort to sequence the NPAS2 promoter region in this cancer type...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28799019/endometriosis-and-the-risk-of-skin-cancer-a-prospective-cohort-study
#13
Leslie V Farland, Simon Lorrain, Stacey A Missmer, Laureen Dartois, Iris Cervenka, Isabelle Savoye, Sylvie Mesrine, Marie-Christine Boutron-Ruault, Marina Kvaskoff
PURPOSE: Endometriosis has been associated with an increased risk of skin melanoma. However, associations with other skin cancer types and how they compare with melanoma are unclear. Our objective was to prospectively investigate the relationships between endometriosis and risk of non-melanoma and melanoma skin cancers. METHODS: E3N is a prospective cohort of 98,995 French women aged 40-65 years in 1990. Data on surgically confirmed endometriosis and skin cancer diagnoses were collected every 2-3 years through self-report, with skin cancer cases confirmed through pathology reports...
August 10, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28797620/extended-follow-up-of-patients-treated-with-bendamustine-for-lymphoid-malignancies
#14
Mara Penne, Maryam Sarraf Yazdy, Kruti Sheth Nair, Bruce D Cheson
INTRODUCTION: Bendamustine, typically in combination with rituximab, is an effective treatment for chronic lymphocytic leukemia (CLL) and B-cell non-Hodgkin lymphoma. Despite its acceptable short-term toxicity profile, long-term toxicities are less well established. This study investigated the long-term adverse effects of bendamustine and responses to subsequent treatments. PATIENTS AND METHODS: Charts of 194 patients were retrospectively reviewed; 54% had received prior treatment (76% attained complete response [CR] or partial response [PR])...
June 30, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28797028/characterisation-of-the-cancer-associated-glucocorticoid-system-key-role-of-11%C3%AE-hydroxysteroid-dehydrogenase-type-2
#15
Nicola Cirillo, David J Morgan, Maria Carmela Pedicillo, Antonio Celentano, Lorenzo Lo Muzio, Michael J McCullough, Stephen S Prime
BACKGROUND: Recent studies have shown that production of cortisol not only takes place in several non-adrenal peripheral tissues such as epithelial cells but, also, the local inter-conversion between cortisone and cortisol is regulated by the 11β-hydroxysteroid dehydrogenases (11β-HSDs). However, little is known about the activity of this non-adrenal glucocorticoid system in cancers. METHODS: The presence of a functioning glucocorticoid system was assessed in human skin squamous cell carcinoma (SCC) and melanoma and further, in 16 epithelial cell lines from 8 different tissue types using ELISA, western blotting and immunofluorescence...
August 10, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28795762/risk-of-non-melanoma-skin-cancer-in-patients-with-chronic-kidney-disease-and-its-relationship-to-uraemic-pruritus
#16
Chia-Chen Wang, Chao-Hsiun Tang, Siao-Yuan Huang, Kuan-Chih Huang, Yuh-Mou Sue
This study investigated the risk of non-melanoma skin cancer (NMSC) in pre-dialysis patients with chronic kidney disease (CKD) and explored associated risk factors. A population-based cohort of 1,515,858 Taiwanese CKD patients was included. The standardized incidence ratio (SIR) for incident NMSC was determined. Compared with the general population, a 1.14-fold risk of NMSC was found in the CKD cohort. NMSC risk was significant in patients with pre-dialysis stage 5 CKD and anaemia (1.48-fold), and in those with uraemic pruritus after long-term antihistamine treatment (1...
August 10, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28793867/the-effect-of-nullomer-derived-peptides-9r-9s1r-and-124r-on-the-nci-60-panel-and-normal-cell-lines
#17
Abdelkrim Alileche, Greg Hampikian
BACKGROUND: Nullomer peptides are the smallest sequences absent from databases of natural proteins. We first began compiling a list of absent 5-amino acid strings in 2006 (1). We report here the effects of Nullomer-derived peptides 9R, 9S1R and 124R on the NCI-60 panel, derived from human cancers of 9 organs (kidney, ovary, skin melanoma, lung, brain, lung, colon, prostate and the hematopoietic system), and four normal cell lines (endothelial HUVEC, skin fibroblasts BJ, colon epithelial FHC and normal prostate RWPE-1)...
August 9, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28793149/genotypic-and-phenotypic-features-of-bap1-cancer-syndrome-a-report-of-8-new-families-and-review-of-cases-in-the-literature
#18
Alexandra M Haugh, Ching-Ni Njauw, Jeffrey A Bubley, Anna Elisa Verzì, Bin Zhang, Emily Kudalkar, Timothy VandenBoom, Kara Walton, Brian L Swick, Raj Kumar, Huma Q Rana, Sarah Cochrane, Shelley R McCormick, Christopher R Shea, Hensin Tsao, Pedram Gerami
Importance: Patients with germline mutations in BAP1 may develop several flesh-colored melanocytic BAP1-mutated atypical intradermal tumors (MBAITs). These tumors generally develop earlier than other BAP1-associated tumors, highlighting an important role for dermatologists in identifying and screening patients with a history suggestive of a germline mutation. Objective: To describe 8 new families with germline mutations in BAP1 and provide a comprehensive review of reported cases...
August 9, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28790368/signs-of-innate-immune-activation-and-premature-immunosenescence-in-psoriasis-patients
#19
Liisi Šahmatova, Elena Sügis, Marina Šunina, Helen Hermann, Ele Prans, Maire Pihlap, Kristi Abram, Ana Rebane, Hedi Peterson, Pärt Peterson, Külli Kingo, Kai Kisand
Psoriasis is a chronic inflammatory disease that affects skin and is associated with systemic inflammation and many serious comorbidities ranging from metabolic syndrome to cancer. Important discoveries about psoriasis pathogenesis have enabled the development of effective biological treatments blocking the T helper 17 pathway. However, it has not been settled whether psoriasis is a T cell-mediated autoimmune disease or an autoinflammatory disorder that is driven by exaggerated innate immune signalling. Our comparative gene expression and hierarchical cluster analysis reveal important gene circuits involving innate receptors...
August 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28789829/a-topical-solution-to-the-sunless-tanning-problem
#20
Helen T Michael, Glenn Merlino
Skin cancer is the most commonly diagnosed type of cancer and is strongly associated with UV exposure and skin pigmentation. Recent advances in pharmacologic non-UV tanning methods open the possibility of preventing melanoma and non-melanoma skin cancer, especially in people who do not tan in the sun.
August 5, 2017: Trends in Molecular Medicine
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