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https://www.readbyqxmd.com/read/28646613/novel-tmc8-splice-site-mutation-in-epidermodysplasia-verruciformis-and-review-of-hpv-infections-in-patients-with-the-disease
#1
E Imahorn, Z Yüksel, I Spoerri, G Gürel, C Imhof, Z N Saraçoğlu, A E Koku Aksu, P L Rady, S K Tyring, W Kempf, P H Itin, B Burger
BACKGROUND: Epidermodysplasia verruciformis (EV) is a genodermatosis leading to infections with cutaneous HPV, persistent plane warts and a high rate of non-melanoma skin cancer (NMSC). Biallelic loss-of-function mutations in TMC6 and TMC8 are known to be causative. OBJECTIVE: The aim of this study was to report EV-causing mutations in four patients with EV and to give an overview of all described EV patients. PATIENTS AND METHODS: We investigated four patients with classical features of EV from two families...
June 24, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28645931/a-potential-role-of-the-unfolded-protein-response-in-post-transplant-cancer
#2
REVIEW
Sandra Bodeau, Chloé Sauzay, Olivier Pluquet, Gabriel Choukroun, Antoine Galmiche
Cancer is one of the major causes of mortality in organ transplant patients receiving immunosuppressive regimen based on Cyclosporin A (CsA). Organ transplantation and chronic immunosuppression are typically associated with skin cancers (both squamous cell carcinoma and melanoma) and renal cell carcinoma (RCC). Recent studies have shown that in addition to its immunosuppressive effects, accounted for by the inhibition of calcineurin and the modulation of the transcriptional programme of lymphocytes, CsA also directly stimulates the growth and aggressive behaviour of various cancer cells...
July 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28638810/common-malignant-cutaneous-conditions-among-albinos-in-kenya
#3
Seyed Emad Emadi, Andrew Juma Suleh, Farhang Babamahmoodi, Fatemeh Ahangarkani, Vanessa Betty Chelimo, Beatrice Mutai, Seyyed Reza Raeeskarami, Alireza Ghanadan, Seyed Naser Emadi
Background: Albinos in Africa are at constant risk of developing skin cancer due to the damage caused by ultra-violet exposure. This study identifies the common skin conditions among albinos in Kenya as a country located along the equator. Methods: In this descriptive study on albino patients who were admitted to Mbagathi District Hospital in Nairobi, Kenya the census method was used for sampling and a total of 151 albinos were registered. All necessary data including age, gender, type, site and the number of skin lesions were recorded...
2017: Medical Journal of the Islamic Republic of Iran
https://www.readbyqxmd.com/read/28625638/development-of-psoriatic-arthritis-during-nivolumab-therapy-for-metastatic-non-small-cell-lung-cancer-clinical-outcome-analysis-and-review-of-the-literature
#4
Juan Ruiz-Bañobre, Eva Pérez-Pampín, Jorge García-González, Antonio Gómez-Caamaño, Francisco Javier Barón-Duarte, Rafael López-López, Francisca Vázquez-Rivera
Lung cancer is the leading cause of cancer-related death worldwide. The most common type, non-small cell lung cancer (NSCLC), is further divided into two main types, squamous cell and non-squamous cell (which includes adenocarcinoma). Nivolumab, a fully human IgG4 programmed death-1 immune checkpoint inhibitor antibody, has shown not only an overall survival advantage when compared to docetaxel, but also a relatively good side-effect profile among patients with previously treated advanced squamous and non-squamous NSCLC...
June 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28621182/-non-intubated-uniportal-video-assisted-thoracic-surgery-vats-lobectomy-as-a-new-procedure-in-our-department
#5
József Furák, Zsolt Szabó, Theodor Horváth, Tibor Géczi, Balázs Pécsy, Tibor Németh, Aurél Ottlakán, Zsolt Molnár, György Lázár
AIM: Due to the emerging experience in VATS (video assisted thoracic surgery) lobectomies, in some centers the so called "non-intubated" VATS lobectomies (NITS - non-intubated thoracic surgery) gained increased authority, during which endotracheal intubation and muscle relaxation of the patient is not carried out, thus surgery is being performed with the patient breathing spontaneously. The recent study deals with our initial experience gained during uniportal NITS VATS lobectomies. PATIENTS AND METHOD: Between 24...
June 2017: Magyar Sebészet
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
#6
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
https://www.readbyqxmd.com/read/28607908/cancer-cell-of-origin-controls-epithelial-to-mesenchymal-transition-in-skin-squamous-cell-carcinoma
#7
EDITORIAL
Parthasarathy Chandrakesan
No abstract text is available yet for this article.
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28605380/establishment-of-a-clinic-based-biorepository
#8
Sarah E Belden, Chandana K Uppalapati, Agnes S Pascual, McKale R Montgomery, Kathryn J Leyva, Elizabeth E Hull, Richard L Averitte
The incidence of skin cancer (e.g., squamous cell carcinoma, basal cell carcinoma, and melanoma) has been increasing over the past several years. It is expected that there will be a parallel demand for cutaneous tumor samples for biomedical research studies. Tissue availability, however, is limited due the cost of establishing a biorepository and the lack of protocols available for obtaining clinical samples that do not interfere with clinical operations. A protocol was established to collect and process cutaneous tumor and associated blood and saliva samples that has minimal impact on routine clinical procedures on the date of a Mohs surgery...
May 29, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28602290/a-sensitive-and-disposable-electrochemical-immunosensor-for-detection-of-sox2-a-biomarker-of-cancer
#9
Elif Burcu Aydın, Mustafa Kemal Sezgintürk
A novel, sensitive, disposable indium tin oxide (ITO)-based electrochemical immunosensor was developed firstly for simple, rapid determination of Sex-determining region Y-box 2 (SOX2). SOX2 is a cancer biomarker and used for detecting small cell lung cancer, lung adenocarcinoma, squamous cell carcinoma, skin cancer, prostate cancer, and breast cancer. In this study, a disposable ITO thin film based electrode was used as working electrode for biosensing the interaction between SOX2 antigen and anti-SOX2 antibody...
September 1, 2017: Talanta
https://www.readbyqxmd.com/read/28596382/a-new-long-noncoding-rna-lncrna-is-induced-in-cutaneous-squamous-cell-carcinoma-and-downregulates-several-anticancer-and-cell-differentiation-genes-in-mouse
#10
Gilles Ponzio, Roger Rezzonico, Isabelle Bourget, Richard Allan, Nicolas Nottet, Alexandra Popa, Virginie Magnone, Géraldine Rios, Bernard Mari, Pascal Barbry
Keratinocyte-derived cutaneous squamous cell carcinoma (cSCC) is the most common metastatic skin cancer. Although some of the early events involved in this pathology have been identified, the subsequent steps leading to tumor development are poorly defined. We demonstrate here that the development of mouse tumors induced by the concomitant application of a carcinogen and a tumor promoter (7,12 dimethylbenz[a]anthracene [DMBA] and 12-O-tetradecanoylphorbol-13-acetate [TPA], respectively) is associated with the upregulation of a previously uncharacterized long noncoding RNA (lncRNA), termed AK144841...
June 8, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28595997/hpv8-field-cancerization-in-a-transgenic-mouse-model-is-due-to-lrig1-keratinocyte-stem-cell-expansion
#11
Simone Lanfredini, Carlotta Olivero, Cinzia Borgogna, Federica Calati, Kathryn Powell, Kelli-Jo Davies, Marco De Andrea, Sarah Harries, Hiu Kwan Carolyn Tang, Herbert Pfister, Marisa Gariglio, Girish K Patel
β-HPV cause near ubiquitous latent skin infection within long-lived hair follicle keratinocyte stem cells (HF KSC). In patients with epidermodysplasia verruciformis (EV), β-HPV viral replication is associated with skin keratosis and cutaneous squamous cell carcinoma (SCC). To determine the role of HF KSC in β-HPV induced skin carcinogenesis, we utilized a transgenic mouse model in which the keratin 14 promoter drives expression of the entire HPV8 early region (HPV8tg). HPV8tg mice developed thicker skin in comparison to wild type littermates consistent with a hyperproliferative epidermis...
June 5, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28593747/novel-serum-metabolomics-based-approach-by-gas-chromatography-triple-quadrupole-mass-spectrometry-for-detection-of-human-skin-cancers-candidate-biomarkers
#12
Takeshi Fukumoto, Shin Nishiumi, Susumu Fujiwara, Masaru Yoshida, Chikako Nishigori
Skin cancer incidence rates are continuing to rise; however, if detected at an early stage, they can be cured with minimally invasive treatment. Therefore, the identification of novel and robust biomarkers for the early detection of skin cancer is required to improve the quality of life of the patient after treatment. In the present study, we aimed to identify novel biomarkers of skin cancers. We carried out serum metabolomics using gas chromatography/triple quadrupole mass spectrometry for two types of skin cancer: squamous cell carcinoma and melanoma...
June 8, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28591439/retrospective-evaluation-of-exposure-to-natural-uv-radiation-experiences-with-the-online-uv-history-tool-in-a-field-study
#13
Wobbeke Weistenhöfer, Julia Hiller, Hans Drexler, Johannes Kiesel
BACKGROUND: Cutaneous squamous cell carcinoma and multiple actinic keratoses can be recognized as occupational diseases if the site affected has been subjected to additional occupational UV exposure of at least 40 %. An online UV history tool that allows for the quantification of occupational and recreational UV doses was now tested in a field study. PATIENTS AND METHODS: Ninety-nine patients with nonmelanoma skin cancer were examined. Patient history with respect to UV exposure was obtained using the online UV history tool...
June 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/28590952/role-of-human-papillomavirus-in-vulvar-cancer
#14
Natalia Rakislova, Adela Saco, Adriana Sierra, Marta Del Pino, Jaume Ordi
Human papillomavirus (HPV) is involved in one of the at least 2 pathways leading to vulvar squamous cell carcinoma (VSCC). Inactivation of p53 and retinoblastoma by the viral products E6 and E7 is involved in malignant transformation. The percentage of HPV-positive VSCCs ranges from 18% to 75%, depending on the geographical area. HPV-associated tumors affect relatively young women and arise from high-grade intraepithelial lesions, identical to other HPV-associated premalignant lesions of the anogenital tract...
July 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28590951/cutaneous-squamous-cell-carcinoma-review-of-the-eighth-edition-of-the-american-joint-committee-on-cancer-staging-guidelines-prognostic-factors-and-histopathologic-variants
#15
Kiran Motaparthi, Jyoti P Kapil, Elsa F Velazquez
Cutaneous squamous cell carcinoma is the second most common form of nonmelanoma skin cancer after basal cell carcinoma and accounts for the majority of nonmelanoma skin cancer-related deaths. In 2017, the American Joint Committee on Cancer revised the staging guidelines of cutaneous squamous cell carcinoma to reflect recent evidence concerning high-risk clinicopathologic features. This update reviews the literature on prognostic features and staging, including the eighth edition of the American Joint Committee on Cancer Staging Manual...
July 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28586041/effects-of-demethoxycurcumin-on-the-viability-and-apoptosis-of-skin-cancer-cells
#16
Yaoqun Wu, Pei Zhang, Hongyun Yang, Yong Ge, Yong Xin
The present study investigated the effects and mechanisms of demethoxycurcumin (DMC) on a human skin squamous cell carcinoma cell line, A431, and a human keratinocyte cell line, HaCaT. A431 and HaCaT cells were cultured in vitro. The effects of DMC treatment on cell viability were analyzed using the Cell Counting kit‑8 (CCK‑8) assay; cell cycle distribution was analyzed by flow cytometry; apoptosis was assessed by flow cytometry and Hoechst 33258 staining; and the protein expression levels of cytochrome c, B‑cell lymphoma 2 (Bcl‑2), Bcl‑2‑associated X protein (BAX), caspase‑9 and caspase‑3 were evaluated by western blotting...
July 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28584672/keratoacanthoma-of-the-nasal-septum-secondary-to-ranibizumab-use
#17
Jason E Cohn, Hilary M Caruso Sales, Giang Huong Nguyen, Harvey Spector, Kenneth Briskin
Keratoacanthoma (KA) is a benign epithelial tumor that typically presents as a firm, cone-shaped, flesh-colored nodule with a central horn-filled crater. KA is considered to be a low-grade variant of squamous cell carcinoma (SCC). We report a rare case of a 72-year-old male who presented with a KA involving the nasal septum, possibly related to ranibizumab use. A flesh-colored lesion on the right anterior nasal septum lesion was visualized on examination. Histologic examination revealed a well-circumscribed, dome-shaped central crater filled with keratin, well-differentiated squamous epithelium with ground-glass cytoplasm with pushing margins, and intraepithelial microabscesses establishing the diagnosis of KA...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28584022/ikk%C3%AE-mediated-resistance-to-skin-cancer-development-is-ink4a-arf-dependent
#18
Angustias Page, Ana Bravo, Cristian Suárez-Cabrera, Josefa P Alameda, M LLanos Casanova, Corina Lorz, Carmen Segrelles, Jose C Segovia, Jesus M Paramio, Manuel Navarro, Angel Ramírez
IKKβ (encoded by IKBKB) is a protein kinase that regulates the activity of numerous proteins important in several signaling pathways, such as the nuclear factor kappa B (NF-κB) pathway. IKKβ exerts a pro-tumorigenic role in several animal models of lung, hepatic, intestinal and oral cancer. In addition, genomic and proteomic studies of human tumors also indicate that IKBKB gene is amplified or overexpressed in multiple tumor types. Here, the relevance of IKKβ in skin cancer was determined by performing carcinogenesis studies in animal models overexpressing IKKβ in the basal skin layer...
June 5, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28580506/prolonged-overall-treatment-time-and-lack-of-skin-rash-negatively-impact-overall-survival-in-locally-advanced-head-and-neck-cancer-patients-treated-with-radiotherapy-and-concomitant-cetuximab
#19
Julien Roman, Gurvan Dissaux, Maelenn Gouillou, Yves Gobel, Gael Potard, Jean-Christophe Leclere, Virginie Conan-Charlet, Dorothy Gujral, Ronan Abgral, Briac Guibourg, Olivier Pradier, Ulrike Schick
BACKGROUND: Cetuximab, a chimeric monoclonal antibody against EGFR sensitizes tumors to radiotherapy (RT), but is associated with skin and mucosal toxicity. OBJECTIVE: We report outcomes and tolerance of definitive RT in association with cetuximab in patients with locally advanced squamous cell carcinoma (LASCC) of the head and neck. PATIENTS AND METHODS: Between 2006 and 2011, 92 consecutive patients with LASCC of the head and neck were treated with RT and concomitant weekly cetuximab...
June 3, 2017: Targeted Oncology
https://www.readbyqxmd.com/read/28578364/xeroderma-pigmentosum-at-a-tertiary-care-center-in-saudi-arabia
#20
Lenah Alwatban, Yousef Binamer
BACKGROUND: Xeroderma pigmentosum (XP) is a rare autosomal recessive disorder caused by defective DNA repair that results in extreme sensitivity to ultraviolet (UV) rays. Depending on the type of XP, the disease may affect the skin, eyes and nervous system. OBJECTIVES: Describe the dermatologic manifestations in patients suffering from XP. DESIGN: Retrospective, descriptive review of medical records. SETTING: Dermatology clinic at tertiary care center in Riyadh...
May 2017: Annals of Saudi Medicine
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