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Non melanoma skin cancer

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https://www.readbyqxmd.com/read/29454062/laser-assisted-delivery-of-synergistic-combination-chemotherapy-in-in-vivo-skin
#1
Emily Wenande, Joshua Tam, Brijesh Bhayana, Steven Kyle Schlosser, Emily Ishak, William A Farinelli, Agata Chlopik, Mai P Hoang, Omar R Pinkhasov, Peter Caravan, R Rox Anderson, Merete Haedersdal
The effectiveness of topical drugs for treatment of non-melanoma skin cancer is greatly reduced by insufficient penetration to deep skin layers. Ablative fractional lasers (AFLs) are known to enhance topical drug uptake by generating narrow microchannels through the skin, but information on AFL-drug delivery in in vivo conditions is limited. In this study, we examined pharmacokinetics, biodistribution and toxicity of two synergistic chemotherapy agents, cisplatin and 5-fluorouracil (5-FU), following AFL-assisted delivery alone or in combination in in vivo porcine skin...
February 14, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29450912/association-of-clinicopathological-features-of-melanoma-with-total-naevus-count-and-a-history-of-dysplastic-naevi-a-cross-sectional-retrospective-study-within-an-academic-centre
#2
S Y Tan, L C Strazzulla, X Li, J J Park, S J Lee, C C Kim
BACKGROUND: High naevus count (HNC) (≥ 50 naevi) and presence of dysplastic naevi (DN) are risk factors for malignant melanoma (MM); however, MMs also occur in patients with low naevus count (LNC) (< 50 naevi) and in patients without DN. Little is known about differences between MMs in these groups. AIM: To characterize the clinicopathological differences between MMs in patients with HNC and those in patients with LNC, with or without biopsy-proven DN. METHODS: This was a cross-sectional retrospective chart review of 281 patients with MM seen between April 2013 and March 2014 at an academic pigmented lesion clinic (Boston, MA, USA)...
February 16, 2018: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29441097/the-feasibility-of-using-ultrasound-during-follow-up-for-superficial-non-melanoma-skin-cancers-after-electronic-brachytherapy
#3
Uma Goyal, Justin Suszko, Baldassarre Stea
Purpose: Non-melanoma skin cancers (NMSCs) can be treated with a number of modalities including surgery, topical chemotherapy, or radiotherapy. Amongst the radiotherapeutic options, electronic brachytherapy (eBT) is an appealing treatment as it is usually given in a few fractions, it leads to good outcomes, and is increasingly being used. However, currently no follow-up imaging is routinely used or recommended to evaluate treatment response of NMSC. We aimed to use ultrasound (US) in follow-up after eBT for superficial NMSC to assess its feasibility in detecting possible tumor response...
December 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/29437671/pharmacological-tlr4-antagonism-using-topical-resatorvid-blocks-solar-uv-induced-skin-tumorigenesis-in-skh-1-mice
#4
Karen Blohm-Mangone, Nichole B Burkett, Shekha Tahsin, Paul B Myrdal, Alhassan Aodah, Brenda Ho, Jaroslav Janda, Michelle McComas, Kathylynn Saboda, Denise J Roe, Zigang Dong, Ann M Bode, Emanuel F Petricoin, Valerie S Calvert, Clara Curiel-Lewandrowski, David S Alberts, Georg T Wondrak, Sally E Dickinson
An urgent need exists for the development of more efficacious molecular strategies targeting non-melanoma skin cancer (NMSC), the most common malignancy worldwide. Inflammatory signaling downstream of Toll-like receptor 4 (TLR4) has been implicated in several forms of tumorigenesis, yet its role in solar UV-induced skin carcinogenesis remains undefined. We have previously shown in keratinocyte cell culture and SKH-1 mouse epidermis that topical application of the specific TLR4 antagonist resatorvid (TAK-242) blocks acute UV-induced AP-1 and NF-κB signaling, associated with downregulation of inflammatory mediators and MAP Kinase phosphorylation...
February 1, 2018: Cancer Prevention Research
https://www.readbyqxmd.com/read/29432644/a-randomized-multi-national-non-inferiority-phase-iii-trial-to-evaluate-the-safety-and-efficacy-of-bf-200-ala-gel-versus-mal-cream-in-the-treatment-of-non-aggressive-basal-cell-carcinoma-with-photodynamic-therapy-pdt
#5
C A Morton, R Dominicus, P Radny, T Dirschka, A Hauschild, U Reinhold, R Aschoff, M Ulrich, S Keohane, S Ekanayake-Bohlig, S Ibbotson, R Ostendorf, C Berking, D Gröne, H J Schulze, H M Ockenfels, V Jasnoch, H Kurzen, M Sebastian, H Stege, P Staubach-Renz, G Gupta, F Hübinger, I Ziabreva, B Schmitz, A Gertzmann, H Lübbert, R-M Szeimies
BACKGROUND: Basal cell carcinoma (BCC) represents the most common non-melanoma skin cancer worldwide affecting mainly adult, fair-skinned individuals. The WHO distinguishes aggressive and non-aggressive forms of which prototypical variants of the latter are primary nodular and superficial BCC. OBJECTIVES: To demonstrate non-inferiority of BF-200 ALA (a nanoemulsion gel containing 5-aminolaevulinic acid) compared to MAL (a cream containing methyl-aminolevulinate) in the treatment of non-aggressive BCC with photodynamic therapy (PDT)...
February 12, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29427464/the-expression-and-function-of-galectins-in-skin-physiology-and-pathology
#6
REVIEW
Nan-Lin Wu, Fu-Tong Liu
The galectin family comprises β-galactoside-binding proteins widely expressed in many organisms. There are at least 16 family members, which can be classified into three groups based on their carbohydrate-recognition domains. Pleiotropic functions of different galectins in physiological and pathological processes through extracellular or intracellular actions have been revealed. In the skin, galectins are expressed in a variety of cells, including keratinocytes, melanocytes, fibroblasts, dendritic cells, lymphocytes, macrophages, and endothelial cells...
February 10, 2018: Experimental Dermatology
https://www.readbyqxmd.com/read/29417799/a-synthesis-of-the-world-s-guidelines-on-photodynamic-therapy-for-non-melanoma-skin-cancer
#7
Colin A Morton
Photodynamic therapy (PDT), using topically administered photosensitizing agents, is widely approved as a treatment for certain nonmelanoma skin cancers. As a tissue-sparing non-surgical modality, there is great potential for PDT to enhance the choice of therapies available to treat, and potentially prevent, skin cancer. Treatment-specific guidelines have assessed the evidence for various photosensitizing agents and light sources, dosimetry, and evaluate reported adverse effects. Discomfort is frequently experienced during treatment but no analgesia was required in most pivotal lesion-directed studies...
February 7, 2018: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/29409139/withdrawn-chemoimmunotherapy-versus-chemotherapy-for-metastatic-malignant-melanoma
#8
REVIEW
Andre D Sasse, Emma C Sasse, Luciana Go Clark, Otavio Augusto Camara Clark
BACKGROUND: Malignant melanoma, one of the most aggressive of all skin cancers, is increasing in incidence throughout the world. Surgery remains the cornerstone of curative treatment in earlier stages. Metastatic disease is incurable in most affected people, because melanoma does not respond to most systemic treatments. A number of novel approaches are under evaluation and have shown promising results, but they are usually associated with increased toxicity and cost. The combination of chemotherapy and immunotherapy has been reported to improve treatment results, but it is still unclear whether evidence exists to support this choice, compared with chemotherapy alone...
February 6, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29396641/-information-services-for-melanoma-patients-and-awareness-among-those-affected
#9
J Brütting, M Bergmann, C Weber, C Berking, W Tilgen, D Schadendorf, F Meier
BACKGROUND: Besides medical consultations, various sources of information and support are available for melanoma patients (MP) in Germany from commercial and non-commercial providers; however, little is known about how they are perceived and accepted by MPs. MATERIAL AND METHODS: Between July and October 2016 a total of 529 melanoma patients were surveyed at 27 accredited German skin cancer centers by means of a standardized questionnaire. Their awareness and satisfaction with 12 given sources of information and counseling services (print, online and by telephone) were surveyed...
February 2, 2018: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/29393881/the-role-of-photodynamic-therapy-in-the-treatment-of-vulvar-intraepithelial-neoplasia
#10
REVIEW
Giulio Tosti, Anna Daniela Iacobone, Eleonora Petra Preti, Sabina Vaccari, Alessia Barisani, Elisabetta Pennacchioli, Carmen Cantisani
BACKGROUND: vulvar intraepithelial neoplasia is a non-invasive precursor lesion found in 50-70% of patients affected by vulvar squamous cell carcinoma. In the past, radical surgery was the standard treatment for vulvar intraepithelial neoplasia, however, considering the psychological and physical morbidities related to extensive surgery, several less aggressive treatment modalities have been proposed since the late 1970s. Photodynamic therapy is an effective and safe treatment for cutaneous non-melanoma skin cancer, with favorable cosmetic outcomes...
February 2, 2018: Biomedicines
https://www.readbyqxmd.com/read/29392067/defect-reconstruction-of-the-nose-after-surgery-for-nonmelanoma-skin-cancer-our-clinical-experience
#11
İsa Kaya, Mustafa Uslu, Fazıl Apaydın
Objective: This study aimed to investigate reconstruction methods according to nasal subunits in patients who were surgically treated with diagnosis of non-melanoma skin cancer of the nose. Methods: All patients were retrospectively investigated. This study was conducted between April 2004 and December 2010; 180 patients who were surgically treated with diagnoses of skin basal cell carcinoma, squamous cell carcinoma, cancer of skin appendages, and precancerous lesions and 194 lesions were included...
September 2017: Turkish Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/29387237/bioinformatics-analysis-of-gene-expression-alterations-conferring-drug-resistance-in-tumor-samples-from-melanoma-patients-with-egfr-activating-braf-mutations
#12
Yang Yu, Xueer Wang, Qinglin Li, Min Zhang, Pengcheng Xu, Yinghua Chen, Yuan Yan, Lin Zhang
Melanoma is a highly malignant tumor of the skin melanocytes. Patients with this cancer have a high frequency (~50%) of oncogenic BRAF mutations, particularly BRAF V600E. Treatments for melanoma often target BRAF mutations or involve mitogen-activated protein kinase kinase/extracellular signal-regulated kinase inhibitors. A major challenge in melanoma treatment is resistance to BRAF inhibitor treatment, which may be enhanced by the BRAF mutation itself and/or epidermal growth factor receptor (EGFR) activation, leading to poor prognosis...
January 2018: Oncology Letters
https://www.readbyqxmd.com/read/29376759/estrogen-receptor-mediated-liposomal-drug-delivery-for-treating-melanoma
#13
Anirban Ganguly, Hari Krishna Reddy Rachamalla, Dwaipayan Bhattacharya, Keerti Bhamidipati, Abhishek Pal, Halley Gora Ravuri, Sumana Chakrabarti, Susanta Sekhar Adhikari, Rajkumar Banerjee
Function of steroid hormone estrogen that transactivates estrogen receptor (ER) is expressed in multiple organs. Except for malignancies of gynecological organs, ER remains largely unutilized as a target to treat cancers of ER-expressing brain, prostate, skin etc. We have previously developed estrogen targeting cationic lipid molecule (ES-C10), which showed targeted killing of ER+ breast and skin cancer cells. In this study, we explored the targeting ability of ES-C10 as a ligand as well as its additive killing effect (if any), when incorporated in two different liposomes (DCME and DCDE), carrying two anticancer molecules MCIS3 and DocetaxelTM respectively...
January 29, 2018: Journal of Drug Targeting
https://www.readbyqxmd.com/read/29376475/non-melanoma-skin-cancer-as-a-possible-adverse-event-due-to-anti-interleukin-6-treatment
#14
Jef Diernaes, M Heje, M Pfeiffer-Jensen, H F Lorentzen
No abstract text is available yet for this article.
January 29, 2018: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/29376219/selenium-for-preventing-cancer
#15
REVIEW
Marco Vinceti, Tommaso Filippini, Cinzia Del Giovane, Gabriele Dennert, Marcel Zwahlen, Maree Brinkman, Maurice Pa Zeegers, Markus Horneber, Roberto D'Amico, Catherine M Crespi
BACKGROUND: This review is the third update of the Cochrane review "Selenium for preventing cancer". Selenium is a naturally occurring element with both nutritional and toxicological properties. Higher selenium exposure and selenium supplements have been suggested to protect against several types of cancer. OBJECTIVES: To gather and present evidence needed to address two research questions:1. What is the aetiological relationship between selenium exposure and cancer risk in humans?2...
January 29, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29374755/the-winding-path-towards-an-inverse-relationship-between-sun-exposure-and-all-cause-mortality
#16
REVIEW
Pelle G Lindqvist
For a long time, skin cancer has been known to be related to extensive UV exposure. New emerging data have, however, shown low UV exposure/low vitamin D levels to be related to increased mortality rate due to skin cancer. In addition, low sun exposure habits in regions of low solar intensity have been shown to be a major risk factor for all-cause mortality in the same range as that for smoking. This is mainly due to lower all-cause mortality due to cardiovascular disease (CVD) and non-CVD/non-cancer disease among women with active sun exposure...
February 2018: Anticancer Research
https://www.readbyqxmd.com/read/29374748/a-critical-appraisal-of-the-recent-reports-on-sunbeds-from-the-european-commission-s-scientific-committee-on-health-environmental-and-emerging-risks-and-from-the-world-health-organization
#17
REVIEW
Jörg Reichrath, Pelle G Lindqvist, Frank R DE Gruijl, Stefan Pilz, Samantha M Kimball, William B Grant, Michael F Holick
The European Commission's Scientific Committee on Health, Environmental and Emerging Risks and the World Health Organization recently published reports which concluded that a large proportion of melanoma and non-melanoma skin cancer is attributable to sunbed use, and that there is no need to use sunbeds as there are no health benefits and they are not needed to achieve an optimal vitamin D level. The overall conclusion from both bodies was that there is no safe limit for UV irradiance from sunbeds. We are, however, deeply concerned that these assessments appear to be based on an incomplete, unbalanced and non-critical evaluation of the literature...
February 2018: Anticancer Research
https://www.readbyqxmd.com/read/29374701/hmga1-and-mmp-11-are-overexpressed-in-human-non-melanoma-skin-cancer
#18
Manfredi Greco, Biagio Arcidiacono, Eusebio Chiefari, Tiziana Vitagliano, Antonio Greto Ciriaco, Francesco Saverio Brunetti, Giovanni Cuda, Antonio Brunetti
BACKGROUND/AIM: The High-Mobility Group A1 (HMGA1) protein has been implicated in human malignancies, playing an important role in cancer proliferation, angiogenesis and metastasis. Increased HMGA1 expression has been found in skin mouse tumors, whereas Hmga1-null mice were protected against skin carcinogenesis. Here, we examined the expression of HMGA1 in human skin tumors, squamous cell carcinoma and basal cell carcinoma. MATERIALS AND METHODS: Tumor and normal skin tissues from 15 affected patients were surgically excised, and mRNA and protein extraction was performed...
February 2018: Anticancer Research
https://www.readbyqxmd.com/read/29374196/predicting-non-melanoma-skin-cancer-via-a-multi-parameterized-artificial-neural-network
#19
David Roffman, Gregory Hart, Michael Girardi, Christine J Ko, Jun Deng
Ultraviolet radiation (UVR) exposure and family history are major associated risk factors for the development of non-melanoma skin cancer (NMSC). The objective of this study was to develop and validate a multi-parameterized artificial neural network based on available personal health information for early detection of NMSC with high sensitivity and specificity, even in the absence of known UVR exposure and family history. The 1997-2015 NHIS adult survey data used to train and validate our neural network (NN) comprised of 2,056 NMSC and 460,574 non-cancer cases...
January 26, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29368698/ingenol-3-angelate-suppresses-growth-of-melanoma-cells-and-skin-tumor-development-by-downregulation-of-nf-%C3%AE%C2%BAb-cox2-signaling
#20
Dunwei Wang, Pengcheng Liu
BACKGROUND A recent focus in skin cancer prevention intervenes though modulating molecular links between inflammation and cell growth signaling, such as NF-κB. This study elucidates the effect of a non-tumor promoting phorbol ester, ingenol-3-angelate (I3A), on the growth of human melanoma cells and on the 12-O-tetradecanoylphorbol-13-acetate (TPA)-induced skin inflammation and 7,12-Dimethylbenz(a)anthracene (DMBA)-induced skin carcinoma in mice. MATERIAL AND METHODS Cell viability was assessed by MTT assay, cell proliferation by clonogenic assay, apoptosis and cell cycle arrest was analyzed by flow cytometry, protein expression was studied by IHC and Western blotting, and gene expression by qPCR...
January 25, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
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