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https://www.readbyqxmd.com/read/28799948/anticancer-drugs-and-the-regulation-of-hedgehog-genes-gli1-and-ptch1-a-comparative-study-in-nonmelanoma-skin-cancer-cell-lines
#1
Uffe H Olesen, Sophie Bojesen, Julie Gehl, Merete Haedersdal
Nonmelanoma skin cancer is the most common cancer in humans, comprising mainly basal cell carcinoma (BCC) and squamous cell carcinoma (SCC). BCC proliferation is highly dependent on the Hedgehog signaling pathway. We aimed to investigate a panel of anticancer drugs with known activity against skin cancer for their therapeutic potential in localized, enhanced topical treatment of SCC and BCC. Cytotoxicity profiles for vismodegib, 5-fluorouracil (5-FU), methotrexate (MTX), cisplatin, bleomycin, and vorinostat were established in terms of half maximal inhibitory concentration values in a panel of immortalized keratinocytes (HaCaT), BCC (UWBCC1 and BCC77015), and SCC (A431 and SCC25) cell lines...
August 9, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28780365/risk-of-cutaneous-squamous-cell-carcinoma-after-treatment-of-basal-cell-carcinoma-with-vismodegib
#2
Tina Bhutani, Michael Abrouk, Camelia S Sima, Natalia Sadetsky, Jeannie Hou, Ivor Caro, Mary-Margaret Chren, Sarah T Arron
BACKGROUND: Vismodegib is a first-in-class agent targeting the hedgehog signaling pathway for treatment of patients with locally advanced basal cell carcinoma (BCC) and metastatic BCC. There have been concerns about the development of squamous cell carcinoma (SCC) in patients treated with this drug. OBJECTIVE: We sought to determine whether treatment with vismodegib is associated with an increase in the risk of cutaneous SCC. METHODS: In this retrospective cohort study, patients treated with vismodegib as part of phase I and II clinical studies were compared with participants from the University of California, San Francisco, Nonmelanoma Skin Cancer Cohort who received standard therapy for primary BCC...
August 2, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28780363/effect-of-voriconazole-on-risk-of-nonmelanoma-skin-cancer-after-hematopoietic-cell-transplantation
#3
Lawrence F Kuklinski, Shufeng Li, Margaret R Karagas, Wen-Kai Weng, Bernice Y Kwong
BACKGROUND: Voriconazole has previously been associated with increased risk for cutaneous squamous cell carcinoma (SCC) in solid organ transplant recipients. Less is known about the risk in patients after hematopoietic cell transplantation (HCT). OBJECTIVE: We evaluated the effect of voriconazole on the risk for nonmelanoma skin cancer (NMSC), including SCC and basal cell carcionoma, among those who have undergone allogeneic and autologous HCT. METHODS: In all, 1220 individuals who had undergone allogeneic HCT and 1418 who had undergone autologous HCT were included in a retrospective cohort study...
August 2, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28748684/prognostic-factors-in-head-and-neck-melanoma-according-to-facial-aesthetic-units
#4
Giovanni Paolino, Michele Cardone, Dario Didona, Elisa Moliterni, Luigi Losco, Paola Corsetti, Giusy Schipani, Teresa Lopez, Stefano Calvieri, Ugo Bottoni
BACKGROUND: Head and neck melanoma is a clinical challenge. Indeed, cutaneous head and neck melanoma shows a worse prognosis in comparison to melanomas of other body sites. Although the emphasis on facial cosmetic preservation plays a pivotal role in comparison to other body areas, specific facial aesthetic units could also play a key role in the prognostic evaluation of the malignancy. METHODS: The aim of the current study was to evaluate the general outcome and clinicopathological features of head and neck melanoma and to detect prognostic differences according to each facial aesthetic unit...
July 26, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28745396/alcohol-intake-and-risk-of-nonmelanoma-skin-cancer-a-systematic-review-and-dose-response-meta-analysis
#5
REVIEW
H Yen, A Dhana, J-P Okhovat, A Qureshi, N Keum, E Cho
Nonmelanoma skin cancer (NMSC) comprises mainly basal cell carcinoma (BCC) and cutaneous squamous cell carcinoma (cSCC). The association between alcohol intake and NMSC has been inconclusive; therefore the objective of this study is to quantify the relationship between alcohol intake and NMSC using meta-analyses. A systematic literature search of PubMed and Embase was performed on 30 October 2016. Eligible articles were case-control or cohort studies that examined alcohol intake and risk of BCC or cSCC and reported relative risks (RRs) with 95% confidence intervals (CIs)...
July 26, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28719713/lymph-node-positive-cutaneous-nonmelanoma-skin-cancer-a-poor-prognosis-disease-in-need-of-treatment-intensification
#6
Lora S Wang, Elizabeth A Handorf, John A Ridge, Barbara A Burtness, Miriam N Lango, Ranee Mehra, Jeffrey C Liu, Thomas J Galloway
Locoregionally advanced nonmelanoma skin cancer (NMSC) has an aggressive clinical course characterized by high rates of treatment failure and poor survival compared with localized skin cancers. Our goal was to investigate multimodal therapy for lymph-node-positive NMSC. Data from patients with lymph-node-positive NMSC who underwent surgery and adjuvant therapy at a single tertiary center from 2002 to 2012 were retrospectively reviewed. Median follow-up was 1.8 years (range: 0.5 to 8.5). Overall survival (OS) and progression-free survival (PFS) were calculated using the Kaplan-Meier method...
July 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28712661/managing-incidentalomas-safely-do-computed-tomography-requisitions-tell-us-what-we-need-to-know
#7
Matthew Walker, Joy Borgaonkar, Daria Manos
PURPOSE: Technological advancements and the ever-increasing use of computed tomography (CT) have greatly increased the detection of incidental findings, including tiny pulmonary nodules. The management of many "incidentalomas" is significantly influenced by a patient's history of cancer. The study aim is to determine if CT requisitions include prior history of malignancy. METHODS: Requisitions for chest CTs performed at our adult tertiary care hospital during April 2012 were compared to a cancer history questionnaire, administered to patients at the time of CT scan...
July 13, 2017: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/28704830/sirtuins-in-skin-and-skin-cancers
#8
Liz Mariely Garcia-Peterson, Melissa Jean Wilking-Busch, Mary Ann Ndiaye, Christine Gaby Azer Philippe, Vijayasaradhi Setaluri, Nihal Ahmad
The sirtuins are a family of proteins that comprise class III of the histone deacetylases. These NAD+-dependent proteins have been found to be intricately involved in a variety of important and skin-relevant cellular functions and processes, including aging, UV damage response, oxidative stress, and wound repair. In addition, recent research is unraveling the role of sirtuins in a variety of skin diseases, including melanoma and nonmelanoma skin cancers. In this review, we provide a discussion on the potential roles and implications of different sirtuins in skin-specific cellular processes, which may have relevance to skin health and skin diseases...
2017: Skin Pharmacology and Physiology
https://www.readbyqxmd.com/read/28700773/association-of-multiple-primary-skin-cancers-with-human-immunodeficiency-virus-infection-cd4-count-and-viral-load
#9
Maryam M Asgari, G Thomas Ray, Charles P Quesenberry, Kenneth A Katz, Michael J Silverberg
Importance: Persons with human immunodeficiency virus (HIV) have a 2.8-fold higher risk than HIV-uninfected persons of nonmelanoma skin cancer (NMSC), defined as basal cell carcinoma (BCC) and squamous cell carcinoma (SCC). Individuals with a prior NMSC history are at increased risk for subsequent NMSC, but the magnitude of risk and its relation to HIV disease-related factors, including CD4 count and viral load (VL), are unknown. Objective: To better understand how laboratory markers currently used to evaluate HIV disease progression may be associated with subsequent NMSC risk...
July 12, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28681396/association-of-atopy-and-tentative-diagnosis-of-skin-cancer-results-from-occupational-skin-cancer-screenings
#10
I Schäfer, P Mohr, N Zander, R Fölster-Holst, M Augustin
BACKGROUND: The relationship between atopic conditions and carcinoma of the skin has been described inconsistently. Population-based data providing information on atopic diseases as well as on skin-cancer are sparse. OBJECTIVE: To determine the correlation between atopy and prevalence of precanceroses, nonmelanoma skin-cancer and malignant melanoma (MM), while taking into account known risk factors for skin cancer. METHODS: Data from occupational skin cancer screenings were analysed in a cross-sectional study...
July 6, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28676156/anatomy-of-the-skin-and-the-pathogenesis-of-nonmelanoma-skin-cancer
#11
REVIEW
William D Losquadro
Skin is composed of the epidermis, dermis, and adnexal structures. The epidermis is composed of 4 layers-the stratums basale, spinosum, granulosum, and corneum. The dermis is divided into a superficial papillary dermis and deeper reticular dermis. Collagen and elastin within the reticular dermis are responsible for skin tensile strength and elasticity, respectively. The 2 most common kinds of nonmelanoma skin cancers are basal cell and squamous cell carcinoma. Both are caused by a host of environmental and genetic factors, although UV light exposure is the single greatest predisposing factor...
August 2017: Facial Plastic Surgery Clinics of North America
https://www.readbyqxmd.com/read/28663910/raman-active-components-of-skin-cancer
#12
Xu Feng, Austin J Moy, Hieu T M Nguyen, Jason Zhang, Matthew C Fox, Katherine R Sebastian, Jason S Reichenberg, Mia K Markey, James W Tunnell
Raman spectroscopy (RS) has shown great potential in noninvasive cancer screening. Statistically based algorithms, such as principal component analysis, are commonly employed to provide tissue classification; however, they are difficult to relate to the chemical and morphological basis of the spectroscopic features and underlying disease. As a result, we propose the first Raman biophysical model applied to in vivo skin cancer screening data. We expand upon previous models by utilizing in situ skin constituents as the building blocks, and validate the model using previous clinical screening data collected from a Raman optical fiber probe...
June 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28661992/treatment-patterns-outcomes-and-patient-satisfaction-of-primary-epidermally-limited-nonmelanoma-skin-cancer
#13
Benjamin A Drew, Pritesh S Karia, Ariana N Mora, Christine A Liang, Chrysalyne D Schmults
BACKGROUND: Epidermally limited nonmelanoma skin cancer (ELNMSC) (superficial basal cell carcinoma [SBCC] and squamous cell carcinoma in situ [SCCIS]) is common. Data on outcomes and patient satisfaction are lacking. OBJECTIVE: To examine treatment efficacy and satisfaction in ELNMSC patients. PATIENTS AND METHODS: Retrospective cohort study of adults with primary SBCC or SCCIS. A 25% random subset completed a satisfaction questionnaire. RESULTS: Five hundred and fifty patients with 227 SBCC and 451 SCCIS were included; 329 tumors (49%) were treated with Mohs micrographic surgery (MMS) and 349 (51%) with non-MMS (imiquimod [n = 26], 5% 5-fluorouracil [n = 234], ingenol mebutate [n = 32], or cryotherapy [n = 57])...
June 28, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28654579/detection-of-high-risk-histologic-features-and-tumor-upstaging-of-nonmelanoma-skin-cancers-on-debulk-analysis-a-quantitative-systematic-review
#14
Babu Singh, Adriana Dorelles, Nellie Konnikov, Bichchau M Nguyen
BACKGROUND: Histologic analysis of tumor debulks from Mohs micrographic surgery (MMS) or wide local excision may lead to the detection of adverse features missed on initial biopsy. OBJECTIVE: Determine the incidence of (1) high-risk features on debulk analysis compared with initial biopsy and (2) upstaging of tumors on debulk analysis according to the American Joint Committee of Cancer-7th Edition (AJCC-7) and the Brigham and Women's Alternative (BWH) staging criteria...
June 28, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28654546/sex-specific-effect-of-rnasel-rs486907-and-mir-146a-rs2910164-polymorphisms-interaction-as-a-susceptibility-factor-for-melanoma-skin-cancer
#15
Antonella Sangalli, Elisa Orlandi, Albino Poli, Andrea Maurichi, Mario Santinami, Morena Nicolis, Silvia Ferronato, Giovanni Malerba, Monica Rodolfo, Macarena Gomez Lira
The genetics of melanoma is complex and, in addition to environmental influences, numerous genes are involved or contribute toward melanoma predisposition. In this study, we evaluated the possible interaction between miR-146a and one of its putative targets ribonuclease L (RNASEL) in the risk of sporadic melanoma. Polymorphisms rs2910164 in miR-146a and rs486907 in the RNASEL gene have both independently been associated with the risk of different cancers, and an interaction between them has been observed in nonmelanoma skin cancer...
August 2017: Melanoma Research
https://www.readbyqxmd.com/read/28654436/variability-of-cancer-risk-within-an-area-time-to-complement-the-incidence-rate
#16
Emanuele Crocetti, Francesco Giusti, Carmen Martos, Giorgia Randi, Tadeusz Dyba, Manola Bettio
The aim of this study was to show that age-adjusted cancer incidence rates for an area may not be representative of the incidence in subareas. We propose a simple measure to show the amount of geographical variability. European age-standardized incidence rates (ASRs) for 'all sites excluding nonmelanoma skin cancer', for men, in 2014, for Nordic countries as a whole, for each country (Denmark, Faroe Islands, Finland, Greenland, Iceland, Sweden and Norway) and for their regions, were retrieved from the Nordcan with corresponding standard errors SEs...
June 26, 2017: European Journal of Cancer Prevention
https://www.readbyqxmd.com/read/28632800/total-body-photography-in-skin-cancer-screening-the-clinical-utility-of-standardized-imaging
#17
Alexandra Rosenberg, Jon H Meyerle
Early detection of skin cancer is essential to reducing morbidity and mortality from both melanoma and nonmelanoma skin cancers. Total-body skin examinations (TBSEs) may improve early detection of malignant melanomas (MMs) but are controversial due to the poor quality of data available to establish a mortality benefit from skin cancer screening. Total-body photography (TBP) promises to provide a way forward by lowering the costs of dermatologic screening while simultaneously leveraging technology to increase patient access to dermatologic care...
May 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28632797/approach-to-management-of-giant-basal-cell-carcinomas
#18
Sarah E Mott, William J Hunter, Edibaldo Silva, Christopher J Huerter
Basal cell carcinoma (BCC) is a common nonmelanoma skin cancer with increasing incidence in the United States and worldwide. It is strongly linked to UV radiation exposure and typically is slow growing. Malignancy in BCCs is due to local growth and invasion rather than metastasis, and the prognosis is generally favorable. We report the case of a 60-year-old man with a large, locally destructive giant BCC on the right side of the upper back that was successfully treated via complete surgical excision (SE) and did not recur in the subsequent 36 months...
May 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28628680/current-perspectives-among-u-s-dermatologists-on-chemoprevention-of-nonmelanoma-skin-cancer-a-survey-based-study
#19
Brittany Oliver, Serena Durrani, Joel L Cohen, Adam J Friedman
<p>Introduction: Nonmelanoma skin cancer (NMSC) is the most common malignancy in the US Primary prevention of NMSC with physical photoprotective measures are often not sufficient to impact skin cancer incidence in high-risk individuals. Chemoprevention is the use of agents to prevent, suppress, and reverse carcinogenic progression. Many agents have been investigated, but preclinical and clinical studies are often inconsistent.</p> <p>Methods: A cross-sectional study was designed to assess current practices, perceptions, and general knowledge of U...
May 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28609551/chronic-exposure-to-tetracyclines-and-subsequent-diagnosis-for-non-melanoma-skin-cancer-in-a-large-midwestern-u-s-patient-population
#20
P P Vakharia, B Nardone, B J Schlosser, D Lee, L Serrano, D P West
Tetracyclines (TCNs) are commonly used in the management of several chronic dermatological disorders, partly due to their affinity for inflamed skin tissue, as they are known to suppress cytokines including tumor necrosis factor-alpha and interleukin-6 that are typically involved in inflammatory skin disorders.(1) TCNs are known to be photoreactive following ultraviolet (UV) radiation exposure, a known risk factor for the development of nonmelanoma skin cancer (NMSC), notably basal cell carcinoma (BCC) and squamous cell carcinoma (SCC)...
June 13, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
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