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https://www.readbyqxmd.com/read/28436451/empirical-modeling-of-physiochemical-immune-response-of-multilayer-zinc-oxide-nanomaterials-under-uv-exposure-to-melanoma-and-foreskin-fibroblasts
#1
Muhammad Fakhar-E-Alam, M Waseem Akram, Seemab Iqbal, K S Alimgeer, M Atif, K Sultana, M Willander, Zhiming M Wang
Carcinogenesis is a complex molecular process starting with genetic and epigenetic alterations, mutation stimulation, and DNA modification, which leads to proteomic adaptation ending with an uncontrolled proliferation mechanism. The current research focused on the empirical modelling of the physiological response of human melanoma cells (FM55P) and human foreskin fibroblasts cells (AG01518) to the multilayer zinc oxide (ZnO) nanomaterials under UV-A exposure. To validate this experimental scheme, multilayer ZnO nanomaterials were grown on a femtotip silver capillary and conjugated with protoporphyrin IX (PpIX)...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28433392/quantifying-rates-of-cell-migration-and-cell-proliferation-in-co-culture-barrier-assays-reveals-how-skin-and-melanoma-cells-interact-during-melanoma-spreading-and-invasion
#2
Parvathi Haridas, Catherine J Penington, Jacqui A McGovern, D L Sean McElwain, Matthew J Simpson
Malignant spreading involves the migration of cancer cells amongst other native cell types. For example, in vivo melanoma invasion involves individual melanoma cells migrating through native skin, which is composed of several distinct subpopulations of cells. Here, we aim to quantify how interactions between melanoma and fibroblast cells affect the collective spreading of a heterogeneous population of these cells in vitro. We perform a suite of circular barrier assays that includes: (i) monoculture assays with fibroblast cells; (ii) monoculture assays with SK-MEL-28 melanoma cells; and (iii) a series of co-culture assays initiated with three different ratios of SK-MEL-28 melanoma cells and fibroblast cells...
April 19, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28430587/parkin-regulates-translesion-dna-synthesis-in-response-to-uv-radiation
#3
Xuefei Zhu, Xiaolu Ma, Yingfeng Tu, Min Huang, Hongmei Liu, Fengli Wang, Juanjuan Gong, Jiuqiang Wang, Xiaoling Li, Qian Chen, Hongyan Shen, Shu Zhu, Yun Wang, Yang Liu, Caixia Guo, Tie-Shan Tang
Deficiency of Parkin is a major cause of early-onset Parkinson's disease (PD). Notably, PD patients also exhibit a significantly higher risk in melanoma and other skin tumors, while the mechanism remains largely unknown. In this study, we show that depletion of Parkin causes compromised cell viability and genome stability after ultraviolet (UV) radiation. We demonstrate that Parkin promotes efficient Rad18-dependent proliferating cell nuclear antigen (PCNA) monoubiquitination by facilitating the formation of Replication protein A (RPA)-coated ssDNA upon UV radiation...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28428508/-melanoma-and-non-melanoma-skin-cancers
#4
Toshiaki Saida
No abstract text is available yet for this article.
April 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28424760/insights-into-local-tumor-microenvironment-immune-factors-associated-with-regression-of-cutaneous-melanoma-metastases-by-mycobacterium-bovis-bacille-calmette-gu%C3%A3-rin
#5
Junbao Yang, Maris S Jones, Romela Irene Ramos, Alfred A Chan, Agnes F Lee, Leland J Foshag, Peter A Sieling, Mark B Faries, Delphine J Lee
Mycobacterium bovis bacille Calmette-Guérin (BCG) is listed as an intralesional (IL) therapeutic option for inoperable stage III in-transit melanoma in the National Comprehensive Cancer Network Guidelines. Although the mechanism is unknown, others have reported up to 50% regression of injected lesions, and 17% regression of uninjected lesions in immunocompetent patients after direct injection of BCG into metastatic melanoma lesions in the skin. BCG and other mycobacteria express ligands capable of stimulating the γ9δ2 T cells...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28423377/risk-and-survival-of-patients-with-head-and-neck-cutaneous-melanoma-national-perspective
#6
Zaid Al-Qurayshi, Mohamed Hassan, Sudesh Srivastav, Steven Sperry, Nitin Pagedar, John Hamner, Emad Kandil
OBJECTIVE: Head and neck cutaneous melanoma represents a distinct entity of skin cancer. We aim to examine management and survival of patients with head and neck cutaneous melanoma. METHODS: A retrospective cohort study utilizing the National Cancer Database, 2004-2012. RESULTS: A total of 20,322 (21.2%) head and neck melanomas and 75,547 (78.8%) melanomas of other sites were included. The median follow-up time of head and neck melanoma was 41...
April 20, 2017: Oncology
https://www.readbyqxmd.com/read/28422116/skin-cancer-have-melanoma-and-skin-cancer-finally-met-their-match
#7
Jeffrey E Gershenwald, Kelly C Nelson
No abstract text is available yet for this article.
May 2017: Nature Reviews. Clinical Oncology
https://www.readbyqxmd.com/read/28419554/the-major-mir-31-target-genes-stk40-and-lats2-and-their-implications-in-the-regulation-of-keratinocyte-growth-and-hair-differentiation
#8
Liming Luan, Jianyun Shi, Zhengquan Yu, Thomas Andl
Emerging evidence indicates that even subtle changes in the expression of key genes of signaling pathways can have profound effects. MicroRNAs (miRNAs) are masters of subtleness and generally have only mild effects on their target genes. The microRNA miR-31 is one of the major microRNAs in many cutaneous conditions associated with activated keratinocytes such as the hyperproliferative diseases psoriasis, non-melanoma skin cancer, and hair follicle growth. miR-31 is a marker of the hair growth phase, and in our miR-31 transgenic mouse model it impairs the function of keratinocytes, subsequently leading to aberrant proliferation, apoptosis and differentiation that result in altered hair growth, while loss of miR-31 leads to increased hair growth...
April 17, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28418841/circulating-uric-acid-levels-and-subsequent-development-of-cancer-in-493-281-individuals-findings-from-the-amoris-study
#9
Andrew Yiu, Mieke Van Hemelrijck, Hans Garmo, Lars Holmberg, Håkan Malmström, Mats Lambe, Niklas Hammar, Göran Walldius, Ingmar Jungner, Wahyu Wulaningsih
OBJECTIVES: Serum uric acid has been suggested to be associated with cancer risk. We aimed to study the association between serum uric acid and cancer incidence in a large Swedish cohort. RESULTS: A positive association was found between uric acid levels and overall cancer risk, and results were similar with adjustment for glucose, triglycerides and BMI. Hazard ratio (HR) for overall cancer for the 4th quartile of uric acid compared to the 1st was 1.08 (95% CI: 1...
March 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28418134/the-four-ws-of-skin-cancer-surveillance-in-patients-with-melanoma-why-who-when-where
#10
EDITORIAL
T Nijsten, M Wakkee
No abstract text is available yet for this article.
April 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28417551/morbidity-and-mortality-after-treatment-of-ewing-sarcoma-a-single-institution-experience
#11
Danielle Novetsky Friedman, Katherine Chastain, Joanne F Chou, Chaya S Moskowitz, Roberto Adsuar, Leonard H Wexler, Alexander J Chou, Amelia DeRosa, Joanne Candela, Heather Magnan, Shawn Pun, Tamara Kahan, Suzanne L Wolden, Paul A Meyers, Kevin C Oeffinger
BACKGROUND: Children, adolescents, and young adults treated for Ewing sarcoma (ES) are at risk for disease-related and treatment-related complications. We aimed to describe early and late overall mortality, cause-specific mortality, and key adverse health outcomes in a large, single-institutional cohort of patients with ES. METHODS: Patients with ES diagnosed at age less than 40 years and treated at Memorial Sloan Kettering between 1974 and 2012 were included. Overall survival was estimated using Kaplan-Meier methods...
April 18, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28414878/do-outdoor-workers-know-their-risk-of-nmsc-perceptions-beliefs-and-preventive-behaviour-among-farmers-roofers-and-gardeners
#12
A Zink, D Wurstbauer, M Rotter, M Wildner, T Biedermann
BACKGROUND: Non-melanoma skin cancer (NMSC) was officially recognized in 2015 as an occupational disease for outdoor workers in Germany. Together with the enormous socioeconomic impact of NMSC, this has led to the continuous demand of evidence-based prevention. However, studies assessing the perceptions and beliefs along with risk behavior of outdoor workers as an essential prerequisite for prevention are rare. OBJECTIVE: To assess perceptions, beliefs, barriers, risk and preventive behavior towards non-melanoma skin cancer among different outdoor groups as a basis for the development of sustainable prevention programs...
April 17, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28414587/non-melanoma-skin-cancer-new-and-future-synthetic-drug-treatments
#13
Teresa Amaral, Claus Garbe
Non-melanoma skin cancers (NMSC) mainly comprise two different entities: basal cell carcinoma (BCC) and squamous cell carcinoma (SCC); beneath these two entities, Merkel cell carcinoma, adnexal tumors, dermatofibrosarcoma protuberans, angiosarcoma, and cutaneous lymphoma belong to NMSC. These rare skin tumors are not the topic of this review. BCC and SCC are the most common cancers diagnosed in humans. The preferred treatment is surgery, which in most cases is curative. Although a high recurrence rate is seen, these cancers rarely metastasize...
May 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28413965/small-molecule-drugs-and-targeted-therapy-for-melanoma-current-strategies-and-future-directions
#14
Carmen Cerchia, Antonio Lavecchia
Malignant melanoma is the most aggressive and life-threatening skin cancer. Melanoma develops in melanocytes and is characterized by a very high tendency to spread to other parts of the body. Its pathogenesis depends on DNA mutations leading to the activation of oncogenes or to the inactivation of suppressor genes. The identification of misregulations in intracellular signal transduction pathways has provided an opportunity for development of mutation-specific inhibitors, which specifically target the mutated signaling cascades...
April 14, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28412456/dietary-proanthocyanidins-prevent-ultraviolet-radiation-induced-non-melanoma-skin-cancer-through-enhanced-repair-of-damaged-dna-dependent-activation-of-immune-sensitivity
#15
REVIEW
Santosh K Katiyar, Harish C Pal, Ram Prasad
Numerous plant products have been used to prevent and manage a wide variety of diseases for centuries. These products are now considered as promising options for the development of more effective and less toxic alternatives to the systems of medicine developed primarily in developed countries in the modern era. Grape seed proanthocyanidins (GSPs) are of great interest due to their anti-carcinogenic effects that have been demonstrated using various tumor models including ultraviolet (UV) radiation-induced non-melanoma skin cancer...
April 12, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/28408301/impact-of-braf-kinase-inhibitors-on-the-mirnomes-and-transcriptomes-of-melanoma-cells
#16
Ines Kozar, Giulia Cesi, Christiane Margue, Demetra Philippidou, Stephanie Kreis
BACKGROUND: Melanoma is an aggressive skin cancer with increasing incidence worldwide. The development of BRAF kinase inhibitors as targeted treatments for patients with BRAF-mutant tumours contributed profoundly to an improved overall survival of patients with metastatic melanoma. Despite these promising results, the emergence of rapid resistance to targeted therapy remains a serious clinical issue. METHODS: To investigate the impact of BRAF inhibitors on miRNomes and transcriptomes, we used in vitro melanoma models consisting of BRAF inhibitor-sensitive and -resistant cell lines generated in our laboratory...
April 10, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28408001/cost-effectiveness-analysis-of-a-skin-awareness-intervention-for-early-detection-of-skin-cancer-targeting-men-older-than-50-years
#17
RANDOMIZED CONTROLLED TRIAL
Louisa G Gordon, Joshua Brynes, Peter D Baade, Rachel E Neale, David C Whiteman, Philippa H Youl, Joanne F Aitken, Monika Janda
OBJECTIVES: To assess the cost-effectiveness of an educational intervention encouraging self-skin examinations for early detection of skin cancers among men older than 50 years. METHODS: A lifetime Markov model was constructed to combine data from the Skin Awareness Trial and other published sources. The model incorporated a health system perspective and the cost and health outcomes for melanoma, squamous and basal cell carcinomas, and benign skin lesions. Key model outcomes included Australian costs (2015), quality-adjusted life-years (QALYs), life-years, and counts of skin cancers...
April 2017: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/28403068/malignant-melanoma-in-african-americans-a-population-based-clinical-outcomes-study-involving-1106-african-american-patients-from-the-surveillance-epidemiology-and-end-result-seer-database-1988-2011
#18
Krishnaraj Mahendraraj, Komal Sidhu, Christine S M Lau, Georgia J McRoy, Ronald S Chamberlain, Franz O Smith
Malignant melanoma accounts for 75% of all skin cancer deaths and is potentially curable if identified early. Although melanoma is rare in African-Americans (AA), it is associated with a worse prognosis than in Caucasians. This study examines the demographic, pathologic, and clinical factors impacting AA melanoma outcomes.Data for 1106 AA and 212,721 Caucasian cutaneous melanoma patients were abstracted from the Surveillance, Epidemiology, and End Result (SEER) database (1988-2011). Data were grouped on the basis of histological subtypes: "Superficial Spreading" (SS), "Nodular" (NM), "Lentigo Maligna" (LM), "Acral Lentiginous" (AL), and "Not otherwise specified" (NOS)...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28402934/anti-cancer-activity-of-annexin-v-in-murine-melanoma-model-by-suppressing-tumor-angiogenesis
#19
Xuerui Zhang, Lina Huo, Haibo Jin, Yuheng Han, Jie Wang, Yanjun Zhang, Xinghuan Lai, Ziwei Le, Jing Zhang, Zichun Hua
Annexin V, a protein with high affinity to phosphatidylserine (PS) in a calcium dependent manner, has been widely used to probe apoptosis. Annexin V in inhibiting engulfment of apoptotic cells by macrophages had been reported to increase the immunogenicity of tumor cells undergoing apoptosis. However, far less is known about its multiple properties, especially in cancer therapies. Here we found that Annexin V had a good anti-tumor activity in murine melanomaxenograft model. Treatment with Annexin V showed significant reduction in tumor size and remarkable tumor necrosis areas...
March 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28400895/melanoma-and-basal-cell-carcinoma-in-the-hereditary-leiomyomatosis-and-renal-cell-cancer-syndrome-an-expansion-of-the-oncologic-spectrum
#20
Lacy L Sommer, Rhonda E Schnur, Warren R Heymann
BACKGROUND: Hereditary leiomyomatosis and renal cell cancer syndrome (HLRCC) is an autosomal dominant syndrome due to mutation in fumarate hydratase. Patients with HLRCC frequently develop cutaneous and uterine leiomyomata and are at risk for renal cell carcinoma. Rarely, other malignancies have been reported. MAIN OBSERVATIONS: We report the development of basal cell carcinoma and melanoma in two siblings with genetically-confirmed HLRCC. CONCLUSIONS: It is unclear whether the development of melanoma and basal cell carcinoma in our patients is due directly to their mutations in the gene encoding fumarate hydratase, or genetic susceptibility at another unrelated locus, or whether these are incidental lesions...
November 30, 2016: Journal of Dermatological Case Reports
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