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https://www.readbyqxmd.com/read/28212537/itraconazole-exerts-its-anti-melanoma-effect-by-suppressing-hedgehog-wnt-and-pi3k-mtor-signaling-pathways
#1
Guanzhao Liang, Musang Liu, Qiong Wang, Yongnian Shen, Huan Mei, Dongmei Li, Weida Liu
Malignant melanoma is the deadliest form of all skin cancers. Itraconazole, a commonly used systemic antifungal drug, has been tested for its anti-tumor effects on basal cell carcinoma, prostate cancer, and non-small cell lung cancer. Whether itraconazole has any specific anti-tumor effect on melanoma remains unknown. However, the goal of this study is to investigate the effect of itraconazole on melanoma and to reveal some details of its underlying mechanism. In the in vivo xenograft mouse model, we find that itraconazole can inhibit melanoma growth and extend the survival of melanoma xenograft mice, compared to non-itraconazole-treated mice...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28196297/targeting-invasive-properties-of-melanoma-cells
#2
REVIEW
Imanol Arozarena, Claudia Wellbrock
Melanoma is a skin cancer notorious for its metastatic potential. As an initial step of the metastatic cascade melanoma cells part from the primary tumour and invade the surrounding tissue, which is crucial for their dissemination and the formation of distant secondary tumours. Over the last two decades our understanding of both, general and melanoma specific mechanisms of invasion has significantly improved, but to date no efficient therapeutic strategy tackling the invasive properties of melanoma cells has reached the clinic...
February 14, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28195452/practical-indications-for-the-management-of-non-melanoma-skin-cancer-patients
#3
Alessandro DI Stefani, Laura Del Regno, Alfredo Piccerillo, Ketty Peris
Basal cell carcinoma (BCC) and squamous cell carcinoma (SCC), together encompassed in the term non--melanoma skin cancers (NMSC), are the most common cancers among fair--skinned populations. Individuating accurate risk stratification of NMSC patients is crucial to select different options among various treatment strategies. The majority of low risk NMSCs are easily treated with surgery, offering excellent cure rates and cosmetic results. Other treatment modalities include physical destruction (curettage, cautery and cryotherapy), chemical destruction (photodynamic therapy and topical 5--flurouracil) and immunomodulatory therapy (topical imiquimod)...
February 14, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28194491/-merkel-cell-carcinoma-cutaneous-manifestation-of-a-highly-malignant-pre-pro-b%C3%A2-cell-neoplasia-novel-concept-about-the-cellular-origin-of-merkel-cell-carcinoma
#4
REVIEW
C M Sauer, E Chteinberg, D Rennspiess, A K Kurz, A Zur Hausen
Merkel cell carcinoma (MCC) is a relatively rare but highly malignant non-melanoma skin cancer of the elderly and immunosuppressed patients. The discovery of the Merkel cell polyomavirus (MCPyV) in 2008 significantly impacted the understanding of the etiopathogenesis of MCC. MCPyV is clonally integrated into the MCC genome and approximately 80% of MCC are MCPyV-positive. Recent results of clinical trials using blockade of the PD-1 immune modulatory pathway are promising for the future treatment of MCC. Despite this major progress of the past few years, the cellular origin of MCC still remains obscure...
February 13, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28188920/optical-coherence-tomography-in-the-diagnosis-of-actinic-keratosis-a-systematic-review
#5
REVIEW
K B E Friis, L Themstrup, G B E Jemec
BACKGROUND: Optical coherence tomography (OCT) is a real-time non-invasive imaging tool, introduced in dermatology in the late 1990s. OCT uses near-infrared light impulses to produce images which can be displayed in cross-sectional and en-face mode. The technique has been used to image skin diseases especially non-melanoma skin cancer including actinic keratosis (AK). Morphological characteristics of AK can be visualized in OCT images and can be used for diagnosis as well as disease monitoring...
February 7, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28187193/comprehensive-measurement-of-uvb-induced-non-melanoma-skin-cancer-burden-in-mice-using-photographic-images-as-a-substitute-for-the-caliper-method
#6
Marc Bazin, Nupur K Purohit, Girish M Shah
The vernier caliper has been used as a gold standard to measure the length, width and height of skin tumors to calculate their total area and volume. It is a simple method for collecting data on a few tumors at a time, but becomes tedious, time-consuming and stressful for the animals and the operator when used for measuring multiple tumors in a large number of animals in protocols such as UVB-induced non-melanoma skin cancer (NMSC) in SKH-1 mice. Here, we show that photographic images of these mice taken within a few minutes under optimized conditions can be subjected to computerized analyses to determine tumor volume and area as accurately and precisely as the caliper method...
2017: PloS One
https://www.readbyqxmd.com/read/28185865/cutaneous-squamous-cell-cancer-cscc-risk-and-the-human-leukocyte-antigen-hla-system
#7
REVIEW
Pooja Yesantharao, Wei Wang, Nilah M Ioannidis, Shadmehr Demehri, Alice S Whitemore, Maryam M Asgari
Cutaneous squamous cell carcinoma (cSCC) is the second most common cancer among Caucasians in the United States, with rising incidence over the past decade. Treatment for non-melanoma skin cancer, including cSCC, in the United States was estimated to cost $4.8 billion in 2014. Thus, an understanding of cSCC pathogenesis could have important public health implications. Immune function impacts cSCC risk, given that cSCC incidence rates are substantially higher in patients with compromised immune systems. We report a systematic review of published associations between cSCC risk and the human leukocyte antigen (HLA) system...
February 6, 2017: Human Immunology
https://www.readbyqxmd.com/read/28183255/melanoma-adjuvant-treatment-current-insight-and-clinical-features
#8
Carmine D Aniello, Francesco Perri, Giuseppina Della Vittoria Scarpati, Chiara Della Pepa, Salvatore Pisconti, Vincenzo Montesarchio, Nicolas Wernert, Mayra Rachele Zarone, Michele Caraglia, Gaetano Facchini, Massimiliano Berretta, Carla Cavaliere
Melanoma represents 2-3% of all cancers, 95% of them arise from skin, while only 5% are non-cutaneous melanoma. Despite an optimal surgery management, the risk of a local and systemic relapse remains high, particularly in high-risk patients (node-positive or node-negative T3b, T4 a/b). We conducted a systematic review of the main published and ongoing phase I/II/III trials between 2000 and June 2015 on the adjuvant treatment of cutaneous melanoma. The IFN remains the only option currently available for this aim...
February 8, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28181579/photoacoustic-and-fluorescence-imaging-of-cutaneous-squamous-cell-carcinoma-in-living-subjects-using-a-probe-targeting-integrin-%C3%AE-v%C3%AE-6
#9
Chao Zhang, Yong Zhang, Kai Hong, Shu Zhu, Jie Wan
Cutaneous squamous cell carcinoma (cSCC) is the second most common non-melanoma skin cancer worldwide. Today, cSCC is diagnosed by visual inspection followed by invasive skin biopsy. There is a need to develop non-invasive diagnostic tools to achieve early and accurate detection. Photoacoustic imaging (PAI) possesses high ultrasonic resolution and strong optical contrast at new depths (<1-5 cm). Together with exogenous contrast agents, PAI has found promising use in various tumors in living subjects. The expression of integrin αvβ6 is significantly up-regulated in cSCC...
February 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28178758/incidence-of-lip-malignancies-in-germany-data-from-9-population-based-cancer-registries
#10
S Singer, S R Zeissig, K Emrich, B Holleczek, K Kraywinkel, M Ressing
BACKGROUND: The objective of this study was to analyse the incidence of lip malignancies in Germany. METHODS: Data from population-based cancer registries covering a population of 39 million inhabitants from 14 federal states were pooled. Lip malignancies were classified according to the International Classification of Diseases (ICD-10). Age-standardised incidence rates and annual percentage changes in the incidence trends of lip cancer (C00), melanoma of the lip (C43...
February 8, 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/28172859/p691-uv-exposure-and-skin-type-are-more-important-than-thiopurine-exposure-for-non-melanoma-skin-cancer-risk-in-ibd
#11
Y Wu, S Ghaly, S Kerr, K Krishnaprasad, R Prosser, B Jackson, K Hanigan, D Martins, R Mountifield, D Whiteman, P Bampton, R Gearry, G Radford-Smith, I C Lawrance
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28167449/curcumin-and-treatment-of-melanoma-the-potential-role-of-micrornas
#12
REVIEW
Diana Lelli, Claudio Pedone, Amirhosssein Sahebkar
Melanoma is the most aggressive type of skin cancer and is characterized by poor prognosis in its advanced stages because treatments are poorly effective and burdened with severe adverse effects. MicroRNAs (miRNAs) are small non-coding RNAs that are implicated in several cellular processes; they are categorized as oncogenic and tumor suppressor miRNAs. Several miRNAs are implicated in the pathogenesis and progression of melanoma, such as the tumor suppressor miR-let7b that targets cyclin D and regulates cell cycle...
February 3, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28166613/melanocytic-nevus-count-and-dermoscopic-features-do-not-differ-in-psoriatic-patients-undergoing-biological-agent-versus-conventional-drug-therapy
#13
Serpil Pirmit, Nahide Onsun, Ozlem Su, Dilek B Ozkaya
BACKGROUND: Psoriasis is a chronic immune-mediated disease and treatment of psoriasis includes conventional immunosuppressive agents and biological agents. There are a few data on the relationship between psoriasis and melanocytic lesions. Either benign or malignant proliferations may be seen with immunosuppressive treatment. Eruptive nevi and malignant melanoma (MM) have been reported also associated with biological agents There is raising link biological treatment and malignancies. The objective of this paper is to examine the effects of biological agents versus conventional drugs on melanocytic nevi count and dermoscopical features...
April 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28166075/clinico-histopathological-survey-of-head-and-neck-cancer-at-tertiary-health-care-centre-dhulikhel-hospital
#14
S Dixit, C Upadhyaya, M Humagain, R Srii, V Marla
Background Head and neck is one of the most prevalent site for cancers along with lungs, cervix, breast and stomach. Hospital based cancer registries required for effective evaluation of diagnosis and management of cancer is inadequate in Nepal. Cancer registry system established by WHO is acquired by seven major hospitals in our country. However, data from tertiary health care centres like ours remain undocumented. Objective The objective of this study is to perform retrospective analysis of clinicohistopathological types of head and neck lesions which were eventually diagnosed as cancer in Dhulikel Hospital, a tertiary health care centre of Central East Nepal...
April 2016: Kathmandu University Medical Journal (KUMJ)
https://www.readbyqxmd.com/read/28162227/angiogenesis-in-dermatology-insights-of-molecular-mechanisms-and-latest-developments
#15
N A Richarz, A Boada, J M Carrascosa
Angiogenesis is the growth of new blood vessels from pre-existing vessels. It is a biological process essential in physiological wound healing or pathological inflammation and tumor growth, which underlies a complex interplay of stimulating and inhibiting signals. Extracellular matrix, cells of innate and adaptive immunity and endothelial cells itself are a major source of angiogenic factors that activate or inhibit specific receptors and consequently influence intracellular signaling pathways. Most inflammatory and neoplastic diseases in dermatology are characterized by excessive angiogenesis, such as psoriasis, atopic dermatitis, as well as melanoma, non-melanoma skin cancer, but also benign vascular neoplasia...
February 2, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28158294/deep-proteome-mapping-of-wm-266-4-human-metastatic-melanoma-cells-from-oncogenic-addiction-to-druggable-targets
#16
Eumorphia G Konstantakou, Athanassios D Velentzas, Athanasios K Anagnostopoulos, Zoi I Litou, Ourania A Konstandi, Aikaterini F Giannopoulou, Ema Anastasiadou, Gerassimos E Voutsinas, George Th Tsangaris, Dimitrios J Stravopodis
Cutaneous melanoma is a malignant tumor of skin melanocytes that are pigment-producing cells located in the basal layer (stratum basale) of epidermis. Accumulation of genetic mutations within their oncogenes or tumor-suppressor genes compels melanocytes to aberrant proliferation and spread to distant organs of the body, thereby resulting in severe and/or lethal malignancy. Metastatic melanoma's heavy mutational load, molecular heterogeneity and resistance to therapy necessitate the development of novel biomarkers and drug-based protocols that target key proteins involved in perpetuation of the disease...
2017: PloS One
https://www.readbyqxmd.com/read/28152735/early-impact-of-the-affordable-care-act-aca-on-financial-worry
#17
Xin Hu, Helen M Parsons, Zhiyuan Zheng
: 44 Background: We examined changes in financial worry for working-aged cancer survivors compared to individuals without a cancer history (controls) after ACA-mandated health insurance enrollment and caps on cost-sharing were implemented in 2014. We hypothesized that cancer survivors would be more likely to report financial worry, and that ACA implementation would reduce financial worry. METHODS: We pooled data from the 2013-2014 National Health Interview Survey for adults aged 21-64 years...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28150389/diagnostic-agreement-and-interobserver-concordance-with-teledermoscopy-referrals
#18
J Dahlén Gyllencreutz, J Paoli, M Bjellerup, Z Bucharbajeva, H Gonzalez, K Nielsen, C Sandberg, I Synnerstad, K Terstappen, A-M Wennberg Larkö
BACKGROUND: Malignant melanoma and non-melanoma skin cancers are among the fastest increasing malignancies in many countries. With the help of new tools, such as teledermoscopy referrals between Primary Health Care and Dermatology clinics, the management of these patients could be made more efficient. OBJECTIVE: To evaluate the diagnostic agreement and interobserver concordance achieved when assessing referrals sent through a mobile teledermoscopic referral system as compared to referrals sent via the current paper-based system without images...
February 1, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28150105/skin-cancer-epidemiology-disease-burden-pathophysiology-diagnosis-and-therapeutic-approaches
#19
REVIEW
Zoe Apalla, Dorothée Nashan, Richard B Weller, Xavier Castellsagué
Skin cancer, including both melanoma and non-melanoma, is the most common type of malignancy in the Caucasian population. Firstly, we review the evidence for the observed increase in the incidence of skin cancer over recent decades, and investigate whether this is a true increase or an artefact of greater screening and over-diagnosis. Prevention strategies are also discussed. Secondly, we discuss the complexities and challenges encountered when diagnosing and developing treatment strategies for skin cancer...
January 2017: Dermatology and Therapy
https://www.readbyqxmd.com/read/28145906/safety-of-tofacitinib-in-the-treatment-of-rheumatoid-arthritis-in-latin-america-compared-with-the-rest-of-the-world-population
#20
Oswaldo M Castañeda, Felix J Romero, Ariel Salinas, Gustavo Citera, Eduardo Mysler, Oscar Rillo, Sebastiao C Radominski, Mario H Cardiel, Juan J Jaller, Carlos Alvarez-Moreno, Dario Ponce de Leon, Graciela Castelli, Erika G García, Kenneth Kwok, Ricardo Rojo
OBJECTIVE: Rheumatoid arthritis (RA) is a chronic, autoimmune disease characterized by joint destruction. Tofacitinib is an oral Janus kinase inhibitor for the treatment of RA. This post hoc analysis assessed the safety of tofacitinib in Latin American (LA) patients with RA versus the Rest of World (RoW) population. METHODS: Data were pooled from 14 clinical studies of tofacitinib: six Phase 2, six Phase 3 and two long-term extension studies. Incidence rates (IRs; patients with events/100 patient-years of treatment exposure) were calculated for safety events of special interest combined across tofacitinib doses...
February 1, 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
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