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https://www.readbyqxmd.com/read/28636292/-head-and-neck-cancer-promising-results-of-immunotherapy
#1
Aurélie Sivade, Djamila Bensaid, Yan Monnier, Keyvan Shabafrouz, Hanan Bouchaab, Valérie Cristina
Immunotherapy, especially checkpoint inhibitors such as anti-PD1 and anti-PDL1 antibodies, has changed the standard of care and the prognosis of melanoma, but also more recently of lung cancer, renal cancer and Hodgkin lymphoma. Results of preliminary studies in head and neck squamous cell carcinoma (HNSCC) as well as in less frequent tumors of the region, such as nasopharyngeal carcinoma and high grade salivary gland carcinoma, are also promising. Indeed, in a recent phase 3 study, the PD1 inhibitor nivolumab has recently demonstrated a significant improvement in overall survival for platin-resistant recurrent and/or metastatic HNSCC...
May 17, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28635551/new-strategies-in-melanoma-therapy-can-nanoparticles-overcome-chemoresistance
#2
Ildiko Badea
No abstract text is available yet for this article.
June 21, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28634727/safety-and-efficacy-of-chemosaturation-in-patients-with-primary-and-secondary-liver-tumors
#3
Martha M Kirstein, Steffen Marquardt, Nils Jedicke, Silke Marhenke, Wolfgang Koppert, Michael P Manns, Frank Wacker, Arndt Vogel
BACKGROUND: Chemosaturation with percutaneous hepatic perfusion (CS-PHP; hepatic CHEMOSAT(®) delivery system; Delcath Systems Inc, USA) is a novel medical device, which delivers high doses of melphalan directly to the liver in patients with primary and secondary liver tumors while limiting systemic toxicity through hemofiltration of the hepatic venous blood. The aim of this study was to analyze the safety and efficacy of the second-generation CS-PHP after 54 treatments at Hannover Medical School, Germany...
June 20, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28634549/a-qualitative-study-of-quality-of-life-concerns-following-a-melanoma-diagnosis
#4
Rachel I Vogel, Lori G Strayer, Rehana L Ahmed, Anne Blaes, DeAnn Lazovich
The goal of this study was to identify a relevant and inclusive list of quality of life issues among long-term survivors of melanoma. Individuals diagnosed with stage I-III cutaneous melanoma and had survived 1-5 years, ages 18-65 years at diagnosis, were recruited. Five focus groups were conducted with 33 participants in total. Discussions centered on participants' experiences at diagnosis, as well as ongoing physical, emotional, and social concerns, and behavioral changes since diagnosis. The majority of participants reported shock, fear, and feeling overwhelmed at the time of diagnosis...
2017: Journal of Skin Cancer
https://www.readbyqxmd.com/read/28634284/co-administration-of-rankl-and-ctla4-antibodies-enhances-lymphocyte-mediated-anti-tumor-immunity-in-mice
#5
Elizabeth Ahern, Heidi Harjunpaa, Deborah Barkauskas, Stacey Allen, Kazuyoshi Takeda, Hideo Yagita, David Wyld, William C Dougall, Michele W L Teng, Mark J Smyth
Purpose: Novel partners for established immune checkpoint inhibitors in the treatment of cancer are needed to address the problems of primary and acquired resistance. The efficacy of combination RANKL and CTLA4 blockade in anti-tumor immunity has been suggested by recent case reports in melanoma. Here we provide a rationale for this combination in mouse models of cancer. <br />Experimental Design: The efficacy and mechanism of a combination of RANKL and CTLA4 blockade was examined by tumor infiltrating lymphocyte analysis, tumor growth and metastasis using a variety of neutralizing antibodies and gene-targeted mice...
June 20, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28634084/drug-delivery-to-melanoma-brain-metastases-can-current-challenges-lead-to-new-opportunities
#6
Gautham Gampa, Shruthi Vaidhyanathan, Jann N Sarkaria, William F Elmquist
Melanoma has a high propensity to metastasize to the brain, and patients with melanoma brain metastases (MBM) have an extremely poor prognosis. The recent approval of several molecularly-targeted agents (e.g., BRAF, MEK inhibitors) and biologics (anti-CTLA-4, anti-PD-1 and anti-PD-L1 antibodies) has brought new hope to patients suffering from this formerly untreatable and lethal disease. Importantly, there have been recent reports of success in some clinical studies examining the efficacy of both targeted agents and immunotherapies that show similar response rates in both brain metastases and extracranial disease...
June 17, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28634046/tumor-antigen-prame-is-up-regulated-by-mzf1-in-cooperation-with-dna-hypomethylation-in-melanoma-cells
#7
Yong-Kyu Lee, Ui-Hyun Park, Eun-Joo Kim, Jin-Taek Hwang, Ji-Cheon Jeong, Soo-Jong Um
Elevated expression of preferentially expressed antigen in melanoma (PRAME) has been implicated in disease progression in a variety of cancers. However, the mechanisms underlying the transcriptional regulation of PRAME remain largely unexplored. Initially, we observed that PRAME was elevated in proportion to the malignant potential of melanoma cells. From the in silico prediction of PRAME gene structure, we identified the putative myeloid zinc finger 1 (MZF1) binding sites, which overlap with a CpG-rich region located in the first intron...
June 17, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28633808/impact-of-mr-guided-boiling-histotripsy-in-distinct-murine-tumor-models
#8
Martijn Hoogenboom, Dylan C Eikelenboom, Renske J E van den Bijgaart, Arend Heerschap, Pieter Wesseling, Martijn H den Brok, Jurgen J Fütterer, Gosse J Adema
Interest in mechanical high intensity focused ultrasound (HIFU) ablation is rapidly growing. Boiling histotripsy (BH) is applied for mechanical fragmentation of soft tissue into submicron fragments with limited temperature increase using the shock wave and cavitation effects of HIFU. Research on BH has been largely limited to ex vivo experiments. As a consequence, the in vivo pathology after BH treatment and the relation to preexistent tissue characteristics are not well understood. This study reports on in vivo MR guided BH treatment, either with 100 or 200 pulses per focal spot, in three different subcutaneous mouse tumor models: a soft-tissue melanoma (B16OVA), a compact growing thymoma (EL4), and a highly vascularized neuroblastoma (9464D)...
September 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28632887/pushing-the-edge-of-dermoscopy-in-new-directions-entomodermoscopy-of-trombicula-autumnalis
#9
Nicola di Meo, Anna Campanati, Mattia Fadel, Giusto Trevisano
Dermatologists are often faced with the challenge of patients presenting with non specific symptoms such as itching and or erythema. These symptoms may be attributed to a number of diseases, many of which are trivial, and others even life-threatening. In order to establish the correct diagnosis, dermatologists must rely on good diagnostic tools and knowledge. Dermoscopy was introduced mainly for inspection of pigmented lesions, but its use has now also spread to non-melanoma skin cancer, inflammatory diseases, and almost any skin disease...
June 2017: Acta Dermatovenerologica Alpina, Panonica, et Adriatica
https://www.readbyqxmd.com/read/28632800/total-body-photography-in-skin-cancer-screening-the-clinical-utility-of-standardized-imaging
#10
Alexandra Rosenberg, Jon H Meyerle
Early detection of skin cancer is essential to reducing morbidity and mortality from both melanoma and nonmelanoma skin cancers. Total-body skin examinations (TBSEs) may improve early detection of malignant melanomas (MMs) but are controversial due to the poor quality of data available to establish a mortality benefit from skin cancer screening. Total-body photography (TBP) promises to provide a way forward by lowering the costs of dermatologic screening while simultaneously leveraging technology to increase patient access to dermatologic care...
May 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28632796/handheld-reflectance-confocal-microscopy-to-aid-in-the-management-of-complex-facial-lentigo-maligna
#11
Brian P Hibler, Oriol Yélamos, Miguel Cordova, Heidy Sierra, Milind Rajadhyaksha, Kishwer S Nehal, Anthony M Rossi
Diagnosis and management of lentigo maligna (LM) and LM melanoma (LMM) is challenging. Novel noninvasive imaging technologies such as reflectance confocal microscopy (RCM) have advanced the ability to better diagnose and monitor challenging lesions. In addition, the new handheld RCM (HRCM) together with the use of videomosaics has allowed an accurate evaluation of large lesions in concave/convex areas of the body (eg, the face). Herein, we review the impact of HRCM in the detection, treatment decision-making, and monitoring of 5 cases of complex facial LM/LMM...
May 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28632148/claw-foot-a-case-report
#12
Alessandro Innocenti, Francesco Ciancio, Cecilia Taverna, Sara Tanini, Aurelio Portincasa, Domenico Parisi, Marco Innocenti, Vincenzo De Giorgi
A cutaneous horn could be defined as a conical projection on the surface of skin made of cornified material and resembling an animal horn. These lesions most commonly affect light-skinned men aged between 50 to 89 years and usually appear in sun exposed areas. Radiation, chronic irritation and even human papilloma virus-2 infection may be precipitating factors. More than half of the cases originate from either malignant or premalignant lesions, therefore the base of the lesion must be carefully examined histologically...
June 8, 2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28631824/incidence-of-melanoma-and-keratinocytic-carcinomas-in-patients-evaluated-by-store-and-forward-teledermatology-vs-dermatology-clinic
#13
Malcolm Creighton-Smith, Robert D Murgia, Nellie Konnikov, Adriana Dornelles, Caren Garber, Bichchau T Nguyen
BACKGROUND: It is unclear whether incidence of detected skin cancer in patients evaluated by store-and-forward teledermatology (SAF) vs. face-to-face consultation (F2F) significantly differs, and whether such differences are because of variations in patient demographics, diagnostic accuracy, or both. METHODS: This retrospective cohort study compares patient skin cancer risk profile, pre-post biopsy diagnostic accuracy, and detection rates of any skin cancer, melanoma, and keratinocytic carcinoma between all SAF teledermatology patients and a subset of randomly selected F2F consultations at VA-Boston Healthcare System in 2014...
June 20, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28631119/-expression-of-cancer-testis-ct-antigens-in-pediatric-and-adolescent-melanomas
#14
REVIEW
N Behrendt, T Schultewolter, K Busam, D Frosina, G Spagnoli, A Jungbluth
BACKGROUND: One of the main problems in the diagnostics of pediatric melanomas is the differentiation from benign dermal lesions typical for this age group, such as Spitz nevus. The biological behavior of pediatric melanomas differs considerably from that of melanomas in adults. MATERIAL AND METHODS: Cancer testis (CT) antigens are named after their typical expression pattern since they are present in various types of malignant tumors but in normal adult tissues are solely expressed in testicular germ cells...
June 19, 2017: Der Pathologe
https://www.readbyqxmd.com/read/28631017/proton-therapy-of-iris-melanoma-with-50%C3%A2-cge-influence-of-target-volume-on-clinical-outcome
#15
Aline I Riechardt, Bettina Karle, Dino Cordini, Jens Heufelder, Volker Budach, Antonia M Joussen, Johannes Gollrad
PURPOSE: The aim of this study was to evaluate local tumour control, incidence of radiation-induced glaucoma and associated interventions of sector-based and whole anterior segment proton beam therapy (PBT) for the treatment of iris melanoma. PATIENTS AND METHODS: We retrospectively analysed the data of 77 patients with iris melanoma who underwent PBT applied as 50 CGE in four daily fractions. Of the patients, 47 received PBT with a circular-shaped collimator and 30 with a conformal sector-shaped target volume...
June 19, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28630682/overexpressed-prame-is-a-potential-immunotherapy-target-in-sarcoma-subtypes
#16
Jason Roszik, Wei-Lien Wang, John A Livingston, Christina L Roland, Vinod Ravi, Cassian Yee, Patrick Hwu, Andrew Futreal, Alexander J Lazar, Shreyaskumar R Patel, Anthony P Conley
BACKGROUND: PRAME (preferentially expressed antigen in melanoma), a member of the cancer-testis antigen family, has been shown to have increased expression in solid tumors, including sarcoma, and PRAME-specific therapies are currently in development for other cancers such as melanoma. METHODS: To map the landscape of PRAME expression in sarcoma, we used publicly available data from The Cancer Genome Atlas (TCGA) and the Cancer Cell Line Encyclopedia (CCLE) projects and determined which sarcoma subtypes and subsets are associated with increased PRAME expression...
2017: Clinical Sarcoma Research
https://www.readbyqxmd.com/read/28630590/analysis-of-prognostic-factors-for-melanoma-patients
#17
Andrė Lideikaitė, Julija Mozūraitienė, Simona Letautienė
Introduction. Melanoma is the most dangerous form of skin cancer. Morbidity from melanoma is increasing every year. Previous studies have revealed that there are some demographic and clinical factors having effect on melanoma survival prognosis. Aim of the study. Purpose of our study was to assess melanoma survival depending on prognostic factors, such as age, sex, stage, depth, histology and anatomical site. Materials and methods. We investigated melanoma-specific survival up to 10 years in 85 primary cases of melanoma from diagnosis at the National Cancer Institute in 2006...
2017: Acta medica Lituanica
https://www.readbyqxmd.com/read/28630054/slc45a2-a-melanoma-antigen-with-high-tumor-selectivity-and-reduced-potential-for-autoimmune-toxicity
#18
Jungsun Park, Amjad H Talukder, Seonah Lim, Kwanghee Kim, Ke Pan, Brenda Melendez, Sherille D Bradley, Kyle Jackson, Jahan S Khalili, Junmei Wang, Caitlin Creasy, Bih-Fang Pan, Scott E Woodman, Chantale Bernatchez, David Hawke, Patrick Hwu, Kyung-Mi Lee, Jason Roszik, Gregory Lizee, Cassian Yee
Cytotoxic T lymphocyte (CTL)-based immunotherapies have had remarkable success at generating objective clinical responses in patients with advanced metastatic melanoma.  Although the melanocyte differentiation antigens (MDAs) MART-1, PMEL, and tyrosinase were among the first melanoma tumor-associated antigens identified and targeted with immunotherapy, expression within normal melanocytes of the eye and inner ear can elicit serious autoimmune side effects, thus limiting their clinical potential as CTL targets...
June 19, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28630039/low-level-internalization-of-cystatin-e-m-affects-legumain-activity-and-migration-of-melanoma-cells
#19
Hanna Wallin, Jenny Apelqvist, Freddi Andersson, Ulf Ekstr Oumlm, Magnus Abrahamson
The ratio between proteases and their inhibitors is unbalanced in cancer. The cysteine protease inhibitor cystatin C is internalized by some cancer cells and affect cellular properties. Here we aimed to investigate if uptake of cystatin C and the related inhibitor cystatin E/M occur in melanoma cell lines and to evaluate to what extent the uptake affects the legumain activity that is typically increased in melanoma. First we studied the basic expression, secretion and intracellular content of all type 2 cystatins, as well as expression and activity of their possible target enzymes legumain and cathepsin B, in MDA-MB-435S, A375 and C8161 melanoma cells...
June 19, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28629701/a-polymethoxyflavone-mixture-extracted-from-orange-peels-mainly-containing-nobiletin-3-3-4-5-6-7-8-heptamethoxyflavone-and-tangeretin-suppresses-melanogenesis-through-the-acidification-of-cell-organelles-including-melanosomes
#20
Norihiro Yoshizaki, Ron Hashizume, Hitoshi Masaki
BACKGROUND: Skin color is determined by melanin contents and its distribution. Melanin is synthesized in melanosomes of melanocytes, catalyzed by tyrosinase, melanogenic enzymes. Regarding the process of melanin synthesis, melanosomal pH is considered to play an important role, because it has been reported to differ between Caucasian and Black melanocytes. OBJECTIVE: Although polymethoxyflavone (PMF) has many beneficial effects, it has not been reported which PMF suppresses melanogenesis...
June 10, 2017: Journal of Dermatological Science
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