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malignant melanoma prevention

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https://www.readbyqxmd.com/read/28910565/an-in-vivo-study-adjuvant-activity-of-poly-n-vinyl-2-pyrrolidone-co-acrylic-acid-on-immune-responses-against-melanoma-synthetic-peptide
#1
Kadriye Kızılbey, Banu Mansuroğlu, Serap Derman, Zeynep Mustafaeva Akdeste
INTRODUCTION: Peptides have been studied as an important class of components in medicine to control many major diseases with vaccination. Polymers as adjuvants are capable of enhancing the vaccine potential against various diseases by improving the delivery of antigens, and they reduce the booster doses of vaccines. In brief, polymers are promising candidates for peptide-based vaccine delivery platforms. The purpose of the present study was to create a possible alternative approach in the treatment of malignant melanoma and/or to prevent metastasis of melanoma...
September 14, 2017: Bioengineered
https://www.readbyqxmd.com/read/28893044/immuno-histochemical-and-quantitative-study-of-melanocytes-and-melanin-granules-in-oral-epithelial-dysplasia
#2
Swapna Honwad, S V Ravi, Mandana Donoghue, Manjiri Joshi
INTRODUCTION: Oral Epithelial dysplasia (OED) is a potentially malignant disorder that is characterized by the presence of architectural and cytological changes. One of the prime factors responsible for the development of these lesions is the usage of tobacco. A variety of factors provide protective mechanism in order to prevent the effects of chemotoxic agents including tobacco products of which, melanin pigmentation is one of the vital elements. AIM: Role of melanocytes in progression of OED has remained unclear, so the present study was done to evaluate density of melanocyte and melanin granules in different grades of epithelial dysplasia and to correlate both findings with different grades of epithelial dysplasia...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28887295/photoaging-mobile-apps-in-school-based-melanoma-prevention-pilot-study
#3
Titus Josef Brinker, Christian Martin Brieske, Christoph Matthias Schaefer, Fabian Buslaff, Martina Gatzka, Maximilian Philip Petri, Wiebke Sondermann, Dirk Schadendorf, Ingo Stoffels, Joachim Klode
BACKGROUND: Around 90% of melanomas are caused by exposure to ultraviolet (UV) radiation and are therefore eminently preventable. Tanning behavior is mostly initiated in early adolescence, often with the belief that it increases attractiveness; the problems related to malignant melanoma and other skin cancers are too far in the future to fathom. Given the substantial amount of time children and adolescents spend in schools, as well as with their mobile phones, addressing melanoma prevention via both of these ways is crucial...
September 8, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28885974/melanoma-in-an-active-duty-marine
#4
Samantha J Bartling, Shayna C Rivard, Jon H Meyerle
Given that the majority of active duty service members are young and healthy, potentially malignant diagnoses such as skin cancer may be overlooked. Although melanoma accounts for only approximately 1% of skin cancers, it causes the greatest majority of skin cancer deaths. We present the case of a 27-year-old active duty Marine who presented with a hyperpigmented macule at his lateral neck that was a malignant melanoma in situ. This article reviews risk factors for the development of melanoma, offers guidelines for primary care providers, reviews resources for providers in a deployed or austere environment, offers recommendations for prevention and early diagnosis, and discusses follow up...
September 2017: Military Medicine
https://www.readbyqxmd.com/read/28871357/-immunotherapy-as-modern-tumor-treatment
#5
REVIEW
C Grüllich
BACKGROUND: The specific immune system is capable of preventing the development of tumor diseases and stimulation of cytotoxic T‑lymphocytes can repress existing tumors. The activation of T‑lymphocytes is influenced by a new class of antibody-based medication, the immune checkpoint inhibitors. METHODS: Review of the scientific background and the published clinical trials on the activity and approval of immune checkpoint inhibitors for various tumor diseases...
September 4, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28820514/topical-opioids-and-antimicrobials-for-the-management-of-pain-infection-and-infection-related-odors-in-malignant-wounds-a-systematic-review
#6
Kathleen Finlayson, Laisa Teleni, Alexandra L McCarthy
PROBLEM IDENTIFICATION: Patients with malignant wounds report pain, distress from odor and exudate, decreased self-esteem, and poor quality of life. This systematic review explores topical opioids, antimicrobials, and odor-reducing agents for preventing or managing malignant wound pain, infection, and odor.
. LITERATURE SEARCH: MEDLINE®, EMBASE, the Cochrane Library, CINAHL®, and reference lists were searched to identify relevant studies.
. DATA EVALUATION: Eligible study designs included interventions with pre- and postintervention data...
September 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/28818973/mutations-in-the-promoter-of-the-telomerase-gene-tert-contribute-to-tumorigenesis-by-a-two-step-mechanism
#7
Kunitoshi Chiba, Franziska K Lorbeer, A Hunter Shain, David T McSwiggen, Eva Schruf, Areum Oh, Jekwan Ryu, Xavier Darzacq, Boris C Bastian, Dirk Hockemeyer
TERT promoter mutations (TPMs) are the most common non-coding mutations in cancer. The timing and consequences of TPMs have not been fully established. Here we show that TPMs acquired at the transition from benign nevus to malignant melanoma do not support telomere maintenance. In vitro experiments revealed that TPMs do not prevent telomere attrition, resulting in cells with critically short and unprotected telomeres. Immortalization by TPMs requires a gradual upregulation of telomerase, coinciding with telomere fusions...
August 17, 2017: Science
https://www.readbyqxmd.com/read/28800032/malignant-melanoma-incidence-trends-in-a-mediterranean-population-following-socioeconomic-transition-and-war-results-of-age-period-cohort-analysis-in-croatia-1989-2013
#8
Jelena Barbaric, Mathieu Laversanne, Ariana Znaor
The aim of this study was to analyse trends of malignant melanoma incidence in Croatia for men and women of different age groups by birth cohorts and time periods, and to interpret them in the context of national socioeconomic changes over time and the possible implications for future prevention in South-Eastern European postcommunist countries with high mortality rates. We used the Croatian National Cancer Registry data to analyse incidence trends of malignant melanoma of the skin (ICD-9 code 172 and ICD-10 code C43) in men and women aged 25-79 years by age-period-cohort modelling...
October 2017: Melanoma Research
https://www.readbyqxmd.com/read/28799271/reduced-disease-specific-survival-following-a-diagnosis-of-multiple-primary-cutaneous-malignant-melanomas-a-nationwide-population-based-study
#9
Deborah Utjés, Johan Lyth, Jan Lapins, Hanna Eriksson
Outcome data comparing patients with multiple primary invasive cutaneous malignant melanomas (MPMs) to single primary invasive cutaneous malignant melanoma (SPM) show conflicting results. We have analyzed differences in disease-specific survival between these patients in a nationwide population-based setting. From the Swedish Melanoma Register, 27,235 patients were identified with a first invasive cutaneous malignant melanoma (CMM) between 1990 and 2007, followed-up through 2013. Of these, 700 patients developed MPMs...
August 11, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28783178/fibroblast-growth-factor-receptor-is-a-mechanistic-link-between-visceral-adiposity-and-cancer
#10
D Chakraborty, V Benham, B Bullard, T Kearney, H C Hsia, D Gibbon, E Y Demireva, S Y Lunt, J J Bernard
Epidemiological evidence implicates excess adipose tissue in increasing cancer risk. Despite a steeply rising global prevalence of obesity, how adiposity contributes to transformation (stage a non-tumorigenic cell undergoes to become malignant) is unknown. To determine the factors in adipose tissue that stimulate transformation, we used a novel ex vivo system of visceral adipose tissue (VAT)-condition medium-stimulated epithelial cell growth in soft agar. To extend this system in vivo, we used a murine lipectomy model of ultraviolet light B-induced, VAT-promoted skin tumor formation...
August 7, 2017: Oncogene
https://www.readbyqxmd.com/read/28758010/skin-cancer-screening-recommendations-for-data-driven-screening-guidelines-and-a-review-of-the-us-preventive-services-task-force-controversy
#11
REVIEW
Mariah M Johnson, Sancy A Leachman, Lisa G Aspinwall, Lee D Cranmer, Clara Curiel-Lewandrowski, Vernon K Sondak, Clara E Stemwedel, Susan M Swetter, John Vetto, Tawnya Bowles, Robert P Dellavalle, Larisa J Geskin, Douglas Grossman, Kenneth F Grossmann, Jason E Hawkes, Joanne M Jeter, Caroline C Kim, John M Kirkwood, Aaron R Mangold, Frank Meyskens, Michael E Ming, Kelly C Nelson, Michael Piepkorn, Brian P Pollack, June K Robinson, Arthur J Sober, Shannon Trotter, Suraj S Venna, Sanjiv Agarwala, Rhoda Alani, Bruce Averbook, Anna Bar, Mirna Becevic, Neil Box, William E Carson, Pamela B Cassidy, Suephy C Chen, Emily Y Chu, Darrel L Ellis, Laura K Ferris, David E Fisher, Kari Kendra, David H Lawson, Philip D Leming, Kim A Margolin, Svetomir Markovic, Mary C Martini, Debbie Miller, Debjani Sahni, William H Sharfman, Jennifer Stein, Alexander J Stratigos, Ahmad Tarhini, Matthew H Taylor, Oliver J Wisco, Michael K Wong
Melanoma is usually apparent on the skin and readily detected by trained medical providers using a routine total body skin examination, yet this malignancy is responsible for the majority of skin cancer-related deaths. Currently, there is no national consensus on skin cancer screening in the USA, but dermatologists and primary care providers are routinely confronted with making the decision about when to recommend total body skin examinations and at what interval. The objectives of this paper are: to propose rational, risk-based, data-driven guidelines commensurate with the US Preventive Services Task Force screening guidelines for other disorders; to compare our proposed guidelines to recommendations made by other national and international organizations; and to review the US Preventive Services Task Force's 2016 Draft Recommendation Statement on skin cancer screening...
March 2017: Melanoma Management
https://www.readbyqxmd.com/read/28756584/estimated-healthcare-costs-of-melanoma-in-australia-over-3%C3%A2-years-post-diagnosis
#12
Thomas M Elliott, David C Whiteman, Catherine M Olsen, Louisa G Gordon
BACKGROUND: Skin cancer exerts a large and growing burden on health systems. With new pharmacotherapies for metastatic melanoma now available, a contemporary understanding of the cost burden of melanoma control is warranted. OBJECTIVE: To comprehensively assess the healthcare costs of malignant melanoma diagnosis and treatment in Australia, over 3 years after diagnosis. METHODS: We developed a decision-analytic model and micro-costing method to estimate the mean cost per patient for melanoma, incorporating all diagnostic and treatment modalities used in Australia (2017 AU$)...
July 29, 2017: Applied Health Economics and Health Policy
https://www.readbyqxmd.com/read/28747297/photoaging-mobile-apps-as-a-novel-opportunity-for-melanoma-prevention-pilot-study
#13
Titus Josef Brinker, Dirk Schadendorf, Joachim Klode, Ioana Cosgarea, Alexander Rösch, Philipp Jansen, Ingo Stoffels, Benjamin Izar
BACKGROUND: Around 90% of melanomas are caused by ultraviolet (UV) exposure and are therefore eminently preventable. Unhealthy tanning behavior is mostly initiated in early adolescence, often with the belief that it increases attractiveness; the problems related to skin atrophy and malignant melanoma are too far in the future to fathom. Photoaging desktop programs, in which an image is altered to predict future appearance, have been successful in positively influencing behavior in adiposity or tobacco prevention settings...
July 26, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28723576/an-atlas-of-human-regulatory-t-helper-like-cells-reveals-features-of-th2-like-tregs-that-support-a-tumorigenic-environment
#14
Leena Halim, Marco Romano, Reuben McGregor, Isabel Correa, Polychronis Pavlidis, Nathali Grageda, Sec-Julie Hoong, Muhammed Yuksel, Wayel Jassem, Rosalind F Hannen, Mark Ong, Olivia Mckinney, Bu'Hussain Hayee, Sophia N Karagiannis, Nicholas Powell, Robert I Lechler, Estefania Nova-Lamperti, Giovanna Lombardi
Regulatory T cells (Tregs) play a pivotal role in maintaining immunological tolerance, but they can also play a detrimental role by preventing antitumor responses. Here, we characterized T helper (Th)-like Treg subsets to further delineate their biological function and tissue distribution, focusing on their possible contribution to disease states. RNA sequencing and functional assays revealed that Th2-like Tregs displayed higher viability and autocrine interleukin-2 (IL-2)-mediated activation than other subsets...
July 18, 2017: Cell Reports
https://www.readbyqxmd.com/read/28713672/bap1-a-tumor-suppressor-gene-driving-malignant-mesothelioma
#15
REVIEW
Mitchell Cheung, Joseph R Testa
Like cancer generally, malignant mesothelioma (MM) is a genetic disease at the cellular level. DNA copy number analysis of mesothelioma specimens has revealed a number of recurrent sites of chromosomal loss, including 3p21.1, 9p21.3, and 22q12.2. The key inactivated driver genes located at 9p21.1 and 22q12.2 were discovered two decades ago as being the tumor suppressor loci CDKN2A and NF2, respectively. Only relatively recently was the BAP1 gene determined to be the driver gene at 3p21.1 that is somatically inactivated...
June 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28697174/uv-radiation-promotes-melanoma-dissemination-mediated-by-the-sequential-reaction-axis-of-cathepsins-tgf-%C3%AE-1-fap-%C3%AE
#16
Petra Wäster, Kyriakos Orfanidis, Ida Eriksson, Inger Rosdahl, Oliver Seifert, Karin Öllinger
BACKGROUND: Ultraviolet radiation (UVR) is the major risk factor for development of malignant melanoma. Fibroblast activation protein (FAP)-α is a serine protease expressed on the surface of activated fibroblasts, promoting tumour invasion through extracellular matrix (ECM) degradation. The signalling mechanism behind the upregulation of FAP-α is not yet completely revealed. METHODS: Expression of FAP-α was analysed after UVR exposure in in vitro co-culture systems, gene expression arrays and artificial skin constructs...
August 8, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28692051/transcriptional-regulation-of-ataxia-telangiectasia-and-rad3-related-protein-by-activated-p21-activated-kinase-1-protects-keratinocytes-in-uv-b-induced-premalignant-skin-lesions
#17
S Beesetti, J Mavuluri, R P Surabhi, T M Oberyszyn, K Tober, R S Pitani, L D Joseph, G Venkatraman, S K Rayala
Sun-induced skin lesions, in particular actinic keratosis, are generally considered as premalignant skin lesions that can progress into squamous cell carcinoma (SCC) and invasive SCC if left untreated. Therefore, understanding the molecular mechanisms by which the ultraviolet-B (UV-B)-exposed cells are being protected and the signaling pathways that promote the progression of certain premalignant skin lesions to malignant lesions will permit us to prevent or cure skin cancers. In the current study, we found that phospho-p21-activated kinase-1 (Pak1) and Pak1 expression was high in clinical samples of sunlight-induced premalignant skin lesions assessed by immunohistochemistry...
July 10, 2017: Oncogene
https://www.readbyqxmd.com/read/28680742/modulation-of-mhc-class-i-surface-expression-in-b16f10-melanoma-cells-by-methylseleninic-acid
#18
Claudia Lennicke, Jette Rahn, Jürgen Bukur, Falko Hochgräfe, Ludger A Wessjohann, Rudolf Lichtenfels, Barbara Seliger
The essential trace element selenium (Se) might play a role in cancer prevention as well as for cancer therapy. Its metabolite methylselenol is able to kill cells through distinct mechanisms including induction of reactive oxygen species, DNA damage and apoptosis. Since methylselenol affects innate immune responses by modulating the expression of NKG2D ligands, the aim of this study was to determine whether the methylselenol generating compound methylseleninic acid (MSA) influences the expression of the MHC class I surface antigens and growth properties thereby reverting immune escape...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28679300/the-emerging-role-of-immune-checkpoint-based-approaches-in-aml-and-mds
#19
Prajwal Boddu, Hagop Kantarjian, Guillermo Garcia-Manero, James Allison, Padmanee Sharma, Naval Daver
The development of immune checkpoint inhibitors represents a major breakthrough in the field of cancer therapeutics. Pursuant to their success in melanoma and numerous solid tumor malignancies, these agents are being investigated in hematological malignancies including acute myelogenous leukemia (AML) and myelodysplastic syndromes (MDS). Although AML/MDS have traditionally been considered to be less immunogenic than solid tumor malignancies, recent pre-clinical models suggest a therapeutic role for immune checkpoint inhibition in these diseases...
July 6, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28676162/skin-and-composite-grafting-techniques-in-facial-reconstruction-for-skin-cancer
#20
REVIEW
Michael J Brenner, Jeffrey S Moyer
Skin and composite grafting provide effective resurfacing and reconstruction for cutaneous defects after excision of the malignancy. The goal is to restore a natural appearance and function while preventing distortion of the eyelid, nose, or lips. With careful planning and attention to aesthetic subunits, the surgeon can camouflage incisions and avoid blunting aesthetically sensitive sulci. The surgical plan is also informed by the pathology, as basal or squamous cell carcinomas removed by Mohs micrographic excision have different prognostic and logistical considerations from melanoma...
August 2017: Facial Plastic Surgery Clinics of North America
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