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https://www.readbyqxmd.com/read/28331735/metaplastic-breast-carcinoma-analysis-of-clinical-and-pathologic-characteristics-a-case-series
#1
Semra Salimoğlu, İsmail Sert, Mustafa Emiroğlu, Cem Karaali, Dilek Kuzukıran, Yasemin Akyüz Kırmızı, Gülden Diniz, Cengiz Aydın
OBJECTIVE: Metaplastic breast cancer (MBC) is a rare type of breast cancer that is considered to be clinically aggressive. The clinical significance and prognostic risk factors of MBC are limited. This study comprises a retrospective analysis of the clinical and pathologic findings of a series of patients treated for MBC. MATERIALS AND METHODS: The files of 657 patients who underwent surgery because of breast cancer at our clinic were examined and the data found on 11 patients who were diagnosed as having MBC were analyzed...
April 2016: J Breast Health (2013)
https://www.readbyqxmd.com/read/28329671/trends-of-skin-cancer-incidence-following-transplantation-in-the-united-states
#2
Sarah T Arron
BackgroundSkin cancer is the most common malignancy occurring after organ transplantation. Although previous research has reported an increased risk of skin cancer in solid organ transplant recipients (OTR), no study has estimated the post-transplant population-based incidence in the US. The objective of this study is to determine the incidence and evaluate the predictors of post-transplant skin cancer, including squamous cell carcinoma (SCC), melanoma (MM), and Merkel cell carcinoma (MCC) in a cohort of US OTR receiving a primary transplant in 2003 or 2008...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329666/risks-of-different-skin-tumor-combinations-after-a-first-melanoma-squamous-cell-carcinoma-and-basal-cell-carcinoma-in-dutch-population-based-cohorts-1989-2009
#3
R J T Van der Leest, L M Hollestein, L Liu, T Nijsten, E De Vries
The aim of this study was to calculate risks of different type of subsequent skin cancers.All melanoma and squamous cell carcinoma (SCC) patients included in the national Netherlands Cancer Registry (NCR) and all basal cell carcinoma (BCC) patients included in the regional Eindhoven Cancer Registry (ECR) between 1989 and 2009 were followed until diagnosis of a subsequent different skin cancer (melanoma, SCC or BCC), date of death or end of study. Cumulative risk, Standardized Incidence Ratio (SIR) and Absolute Excess Risk (AER) of subsequent skin cancers were calculated...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329662/the-preneoplastic-genome-transcriptomic-drivers-of-squamous-cell-carcinoma-development
#4
Kenneth Y Tsai
Cutaneous squamous cell carcinoma (cuSCC) comprises 15-20% of all skin cancers, accounting for over 700,000 cases in the U.S. annually. Most cuSCC arise in association with a distinct precancerous lesion, the actinic keratosis (AK). In order to identify potential targets for molecularly targeted chemoprevention, we performed integrated cross-species genomic analysis of cuSCC development through the preneoplastic AK stage using matched human samples and a solar UV- driven Hairless mouse model. We performed RNA-seq and microRNA-seq on samples from both patients undergoing Mohs surgery and the mouse model...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329645/frequent-somatic-mutations-of-chromatin-remodeling-genes-in-metastatic-cutaneous-squamous-cell-carcinoma
#5
Amanda Ewart Toland
Exome and targeted sequencing studies have identified potential driver mutations for a variety of tumor types. Cutaneous squamous cell carcinoma (cSCC) is one of the most highly mutated cancers but is typically correlated with high survival rates and low rates of metastasis. Nevertheless, metastatic cSCC is a significant health threat; up to 8800 individuals are estimated to die yearly from this disease. As it is difficult to predict which cSCCs are more likely to metastasize, and because there are no targeted therapies specifically designated for metastatic cSCC, we performed exome and targeted sequencing of 18 metastatic and 10 primary cSCCs to identify mutations with potential therapeutic benefit...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329632/cigarette-smoking-and-the-risks-of-incident-basal-cell-carcinoma-and-squamous-cell-carcinoma-in-a-large-population-based-cohort-study
#6
Jean Claude Dusingize, Catherine M Olsen, Nirmala Pandeya, Bridie Thompson, Rachel E Neale, Padmini Subramaniam, David C Whiteman, Adele C Green
Tobacco smoking is a strong risk factor for cancer, but associations with basal cell carcinomas (BCC) and squamous cell carcinomas (SCC) of the skin have been inconsistent. We prospectively investigated the associations between cigarette smoking and 3-year incidence of first primary BCC or SCC in the QSkin cohort (n=43765). Smoking history was self-reported at baseline; newly diagnosed and surgically treated BCCs and SCCs were ascertained through linkage to the national health insurance scheme and verified by histopathology reports...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329631/the-burden-of-keratinocyte-cancer-occurrence-multiplicity-and-predicting-risk
#7
David C Whiteman, Nirmala Pandeya, Bridie Thompson, Padmini Subramaniam, Jean Claude Dusingize, Rachel E Neale, Adele C Green, Catherine M Olsen
The costs of diagnosing and treating basal cell carcinomas (BCC) and squamous cell carcinomas (SCC) are the highest of all cancers in Australia. However, information regarding incidence, multiplicity and risk are scarce as keratinocyte cancers (KCs) are not captured by most registries. To address these gaps, we initiated the QSKIN Study in 2010 recruiting 43,794 Queensland residents from a population register (participation 24%). Participants self-completed a baseline survey recording information on residential history, sun exposure, phenotype and medical and family history...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329421/naproxen-inhibits-uvb-induced-basal-cell-and-squamous-cell-carcinoma-development-in-ptch1-skh-1-hairless-mice
#8
Sandeep C Chaudhary, Mohammad Waseem, Mehtab Rana, Hui Xu, Levy Kopelovich, Craig A Elmets, Mohammad Athar
Naproxen possesses anti-proliferative and pro-apoptotic effects besides its known anti-inflammatory functions. Here, we demonstrate the anti-cancer effects of naproxen against UVB-induced BCCs and SCCs in a highly susceptible murine model of UVB carcinogenesis. Naproxen significantly inhibited UVB-induced BCCs and SCCs in this model. Tumor number and volume were significantly decreased (p<0.005 and p<0.05, respectively). Inhibition in UVB-induced SCCs and BCCs was 77% and 86%, respectively, which was associated with reduced PCNA and cyclin D1 and increased apoptosis...
March 22, 2017: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/28322200/complement-component-c3-and-complement-factor-b-promote-growth-of-cutaneous-squamous-cell-carcinoma
#9
Pilvi Riihilä, Liisa Nissinen, Mehdi Farshchian, Markku Kallajoki, Atte Kivisaari, Seppo Meri, Reidar Grénman, Sirkku Peltonen, Juha Peltonen, Taina Pihlajaniemi, Ritva Heljasvaara, Veli-Matti Kähäri
Cutaneous squamous cell carcinoma (cSCC) is one of the most common metastatic skin cancers with increasing incidence. We examined the roles of complement component C3 and complement factor B (CFB) in the growth of cSCC. Analysis of cSCC cell lines (n = 8) and normal human epidermal keratinocytes (n = 11) with real-time quantitative PCR and Western blotting revealed up-regulation of C3 and CFB expression in cSCC cells. Immunohistochemical staining revealed stronger tumor cell-specific labeling for C3 and CFB in invasive cSCCs (n = 71) and recessive dystrophic epidermolysis bullosa-associated cSCCs (n = 11) than in cSCC in situ (n = 69), actinic keratoses (n = 63), and normal skin (n = 5)...
March 16, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28314866/a-clinical-trial-using-attrition-combined-with-5-aminolevulinic-acids-based-photodynamic-therapy-in-treating-squamous-cell-carcinoma
#10
Jianzhong Peng, Weiguo Feng, Xianyan Luo, Tao Wang, Wenzhong Xiang, Yeqin Dai, Jingyu Zhu, Junhui Zheng
BACKGROUND Squamous cell carcinoma (SCC) is the second most common type of skin cancer, for which non- or mini-invasive treatment is of critical importance. 5-aminolevulinic acids based photodynamic therapy (ALA-PDT) is a mini-invasive approach that causes focal tumor cell injury, apoptosis, and necrosis through light sensitivity. The efficacy of combining ALA-PDT and surgery in treating SCC, however, has not been demonstrated. MATERIAL AND METHODS A total of 60 SCC patients were randomly assigned into attrition plus ALA-PDT group (experimental group) and single ALA-PDT treatment group (control group)...
March 18, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28302562/dysregulated-expression-of-microrna-150-in-human-papillomavirus-induced-lesions-of-k14-hpv16-transgenic-mice
#11
Joana M O Santos, Mara Fernandes, Rita Araújo, Hugo Sousa, Joana Ribeiro, Margarida M S M Bastos, Paula A Oliveira, Diogo Carmo, Fátima Casaca, Sandra Silva, Ana L Teixeira, Rui M Gil da Costa, Rui Medeiros
AIMS: High-risk human papillomavirus (HPV) infection is one of the major causes of infection-related cancers worldwide. MicroRNAs (miRNAs) are a family of non-coding RNAs (ncRNAs), whose dysregulated levels may cause an aberrant expression of genes involved in oncogenic pathways and consequently lead to cancer development. This is the case of the miRNA-150 (miR-150), whose expression in HPV-induced lesions remains unclear and the present work aims to clarify it. We employed K14-HPV16 mice, which express the early genes of HPV16 in basal keratinocytes, leading to the development of hyperplastic and dysplastic skin lesions and squamous cell carcinomas, and are a representative model of HPV-induced cancers...
March 13, 2017: Life Sciences
https://www.readbyqxmd.com/read/28292941/preclinical-anti-tumor-efficacy-of-bay-1129980-a-novel-auristatin-based-anti-c4-4a-lypd3-antibody-drug-conjugate-for-the-treatment-of-non-small-cell-lung-cancer
#12
Jörg Willuda, Lars Linden, Hans-Georg Lerchen, Charlotte Kopitz, Beatrix Stelte-Ludwig, Carol Pena, Claudia Lange, Sven Golfier, Christoph Kneip, Patricia E Carrigan, Kirk Mclean, Joachim Schuhmacher, Oliver von Ahsen, Jörg Müller, Frank Dittmer, Rudolf Beier, Sherif El-Sheikh, Jan Tebbe, Gabriele Leder, Heiner Apeler, Rolf Jautelat, Karl Ziegelbauer, Bertolt Kreft
C4.4A (LYPD3) has been identified as a cancer- and metastasis-associated internalizing cell surface protein that is expressed in non-small cell lung cancer (NSCLC), with particularly high prevalence in the squamous cell carcinoma (SCC) subtype. With the exception of skin keratinocytes and esophageal endothelial cells, C4.4A expression is scarce in normal tissues, presenting an opportunity to selectively treat cancers with a C4.4A-directed antibody-drug conjugate (ADC). We have generated BAY 1129980 (C4.4A-ADC), an ADC consisting of a fully human C4...
March 14, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28287855/association-between-cataract-and-keratinocytic-skin-cancers-or-melanoma-speculating-on-the-common-role-of-sun-and-ultraviolet-radiation-exposures
#13
David Varssano, Mira Friedman, Michaella Goldstein, Shai Bar-Sela, Tal Sella, Varda Shalev, Gabriel Chodick
PURPOSE: Cataract and sun-related skin conditions are proxies to lifetime UV exposure. We examined the association between them using real-world data from an unselected Israeli population. METHODS: Computerized data was obtained from an Israeli health maintenance organization regarding cases of sun-related skin pathologies and cataract diagnosed between 2006 and 2011 in 686,260 members aged 40 or above. RESULTS: Sun-related skin disorders were found in 9...
March 13, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28285366/nonmelanoma-skin-cancer-and-risk-of-all-cause-and-cancer-related-mortality-a-systematic-review
#14
Virginia Barton, Kent Armeson, Shalaka Hampras, Laura K Ferris, Kala Visvanathan, Dana Rollison, Anthony J Alberg
Some reports suggest that a history of nonmelanoma skin cancer (NMSC) may be associated with increased mortality. NMSCs have very low fatality rates, but the high prevalence of NMSC elevates the importance of the possibility of associated subsequent mortality from other causes. The variable methods and findings of existing studies leave the significance of these results uncertain. To provide clarity, we conducted a systematic review to characterize the evidence on the associations of NMSC with: (1) all-cause mortality, (2) cancer-specific mortality, and (3) cancer survival...
March 11, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28280360/arenobufagin-activates-p53-to-trigger-esophageal-squamous-cell-carcinoma-cell-apoptosis-in-vitro-and-in-vivo
#15
Junhong Lv, Shaohuan Lin, Panli Peng, Changqing Cai, Jianming Deng, Mingzhi Wang, Xuejun Li, Rongsheng Lin, Yu Lin, Ailing Fang, Qiling Li
Esophageal squamous cell carcinoma (ESCC) is often diagnosed at late incurable stage and lacks effective treatment strategy. Bufadienolides are cardiotonic steroids isolated from the skin and parotid venom glands of the toad Bufo bufo gargarizans Cantor with novel anticancer activity. However, there is little information about the effects and action mechanisms of bufadienolides on ESCC cells. In this study, the in vitro and in vivo anti-ESCC activities of bufadienolides, including bufalin (Bu) and arenobufagin (ArBu), were examined and the underlying molecular mechanisms were elucidated...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28277539/epidermal-rac1-regulates-the-dna-damage-response-and-protects-from-uv-light-induced-keratinocyte-apoptosis-and-skin-carcinogenesis
#16
Jayesh Deshmukh, Ruth Pofahl, Ingo Haase
Non-melanoma skin cancer (NMSC) is the most common type of cancer. Increased expression and activity of Rac1, a small Rho GTPase, has been shown previously in NMSC and other human cancers; suggesting that Rac1 may function as an oncogene in skin. DMBA/TPA skin carcinogenesis studies in mice have shown that Rac1 is required for chemically induced skin papilloma formation. However, UVB radiation by the sun, which causes DNA damage, is the most relevant cause for NMSC. A potential role of Rac1 in UV-light-induced skin carcinogenesis has not been investigated so far...
March 9, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28274513/pctaire1-cdk16-pctk1-is-overexpressed-in-cutaneous-squamous-cell-carcinoma-and-regulates-p27-stability-and-cell-cycle
#17
Teruki Yanagi, Hiroo Hata, Eri Mizuno, Shinya Kitamura, Keisuke Imafuku, Shinichi Nakazato, Lei Wang, Hiroshi Nishihara, Shinya Tanaka, Hiroshi Shimizu
BACKGROUND: PCTAIRE1 (also known as cyclin-dependent kinase 16 (Cdk16) and PCTK1) is a Cdk family protein that has been implicated in spermatogenesis. We recently revealed the function of PCTAIRE1 in the tumorigenesis of malignancies, including breast and prostate cancers; however, the tumorigenic function of PCTAIRE1 in cutaneous squamous cell carcinoma (SCC) remains unclear. OBJECTIVE: In this study, we investigated the role of PCTAIRE1 in the tumorigenesis of cutaneous SCCs...
February 22, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28264612/a-dose-finding-trial-with-a-novel-ingenol-derivative-ingenol-disoxate-leo-43204-for-field-treatment-of-actinic-keratosis-on-full-face-or-250cm-2-on-the-chest
#18
Marc Bourcier, Linda Stein Gold, Lyn Guenther, Camilla M Andreassen, Johan Selmer, Gary Goldenberg
PURPOSE: Actinic keratoses (AKs) may progress to squamous cell carcinoma and can occur in cancerized fields as sub-clinical and clinically visible lesions. Ingenol disoxate gel is a topical field therapy for AK. This Phase I/II trial aimed to assess the safety and efficacy of ingenol disoxate on full face or chest in patients with AKs. MATERIALS AND METHODS: Part 1 was a phase-I, open-label, dose-escalation trial investigating the maximum tolerated dose of ingenol disoxate...
March 7, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28263022/the-importance-of-patient-centred-care-to-overcome-barriers-in-the-management-of-actinic-keratosis
#19
REVIEW
R Cerio
Visible actinic keratosis (AK) lesions and subclinical (non-visible) sun damage in the field of cancerization are associated with risk of both non-melanoma skin cancer, including basal cell carcinoma (BCC) and squamous cell carcinoma (SCC), and, more rarely, melanoma. As the incidences of AK and skin cancer are increasing, effective prevention and treatment of AK is essential to minimize disease burden and improve patient quality of life. Currently, AK lesions are often left untreated and field therapies are underused...
March 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28263021/the-importance-of-treating-the-field-in-actinic-keratosis
#20
REVIEW
E Stockfleth
Actinic keratoses (AKs) are intraepithelial atypical proliferations of keratinocytes that develop in skin that has undergone long-term exposure to ultraviolet radiation. Given the ageing population and an increasing prevalence of AK, the socio-economic burden of AK is likely to rise over the coming years. Areas of subclinical (non-visible) sun damage in the periphery of visible AK lesions contain the same genetic changes as those found in the lesions themselves, and are known as areas of field cancerization...
March 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
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