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https://www.readbyqxmd.com/read/29346301/braf-and-mek-inhibitors-influence-the-function-of-reprogrammed-t-cells-consequences-for-adoptive-t-cell-therapy
#1
Jan Dörrie, Lek Babalija, Stefanie Hoyer, Kerstin F Gerer, Gerold Schuler, Lucie Heinzerling, Niels Schaft
BRAF and MEK inhibitors (BRAFi/MEKi), the standard treatment for patients with BRAFV600 mutated melanoma, are currently explored in combination with various immunotherapies, notably checkpoint inhibitors and adoptive transfer of receptor-transfected T cells. Since two BRAFi/MEKi combinations with similar efficacy are approved, potential differences in their effects on immune cells would enable a rational choice for triple therapies. Therefore, we characterized the influence of the clinically approved BRAFi/MEKi combinations dabrafenib (Dabra) and trametinib (Tram) vs...
January 18, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29344498/selective-intra-arterial-embolization-for-advanced-extrascleral-uveal-melanoma
#2
Víctor M Villegas, Mariola Monagas, Joseph Campbell, Timothy G Murray, Luis Serrano
Purpose: To report a treatment approach for advanced extrascleral uveal melanoma. Methods: We performed clinical examination including magnetic resonance imaging, computed tomography, angiography, and histopathologic analysis. Case: A 49-year-old healthy woman presented with a 7-year history of an enlarging pigmented mass in her right orbit. Malignant melanoma was diagnosed after biopsy with immunohistochemical stains. Treatment included selective intra-arterial embolization...
December 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29344497/a-case-of-adenocarcinoma-of-the-retinal-pigment-epithelium-an-immunohistochemical-and-electron-microscopic-study
#3
Hidetsugu Mori, Kanji Takahashi
Purpose: Retinal pigment epithelium (RPE) adenocarcinoma is a very rare malignant intraocular tumor. Herein we describe the histopathological features of RPE adenocarcinoma. Case: A 36-year-old male was referred to our clinic because of floaters in his left eye. The initial diagnosis was malignant melanoma of the choroid. We resected the tumor and studied it histopathologically. The tumor tissue was investigated by light microscopy including immunohistochemistry using antibodies against S-100, HMB-45, EMA, and AE-1...
December 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29342436/iris-melanoma-outcomes-based-on-the-american-joint-committee-on-cancer-classification-eighth-edition-in-432-patients
#4
Carol L Shields, Maura Di Nicola, Vladislav P Bekerman, Swathi Kaliki, Carolina Alarcon, Enzo Fulco, Jerry A Shields
PURPOSE: The American Joint Committee on Cancer (AJCC) classification was updated to the eighth edition in January 2017, providing staging for iris melanoma. This study evaluated outcomes of iris melanoma per the AJCC classification, eighth edition. DESIGN: Retrospective case series. PARTICIPANTS: Four hundred thirty-two patients with iris melanoma. METHODS: Management including tumor resection, plaque radiotherapy, or enucleation...
January 13, 2018: Ophthalmology
https://www.readbyqxmd.com/read/29341263/dermoscopy-versus-reflectance-confocal-microscopy-for-the-diagnosis-of-lentigo-maligna
#5
E Cinotti, B Labeille, S Debarbieux, C Carrera, F Lacarrubba, A M Witkowski, E Moscarella, E Arzberger, H Kittler, P Bahadoran, S Gonzalez, P Guitera, M Agozzino, F Farnetani, R Hofmann-Wellenhof, M Ardigò, P Rubegni, L Tognetti, J Łudzik, I Zalaudek, G Argenziano, C Longo, S Ribero, J Malvehy, G Pellacani, F Cambazard, J L Perrot
BACKGROUND: Several dermoscopic and in vivo reflectance confocal microscopy (RCM) diagnostic criteria of lentigo maligna (LM)/lentigo maligna melanoma (LMM) have been identified. However, no study compared the diagnostic accuracy of these techniques. OBJECTIVE: We evaluated the diagnostic accuracy of dermoscopy and RCM for LM/LMM using a holistic assessment of the images. METHODS: 223 facial lesions were evaluated by 21 experts. Diagnostic accuracy of the clinical, dermoscopic and RCM examination were compared...
January 17, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29341232/histological-features-and-outcome-of-inverted-type-a-melanocytic-nevi
#6
Soheil S Dadras, Jun Lu, Artur Zembowicz, Thomas J Flotte, Martin C Mihm
The presence of enlarged epithelioid/spindled nests located deep in the reticular dermis of a biphasic melanocytic neoplasm can mimic melanoma arising in a preexisting nevus, causing over-interpretation of malignancy. We aimed to define the clinicopathologic significance of epithelioid/spindled nests in melanocytic nevi. Retrospectively using clinical and histologic information, we characterized 121 patients with a single lesion showing epithelioid/spindled melanocytes in the reticular dermis or subcutaneous fat, surrounded by melanophages, sometimes blending in with the adnexa...
January 17, 2018: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/29340169/autoimmune-retinopathy-a-review
#7
REVIEW
Aristófanes Mendonça Canamary, Walter Yukihiko Takahashi, Juliana Maria Ferraz Sallum
Autoimmune retinopathy (AIR) is a rare and still poorly understood immune-mediated disease that may cause inflammation from circulating autoantibodies against the retina. It may be related to history of autoimmune disease in the patient or in a family member or the presence of neoplastic disease in the individual. The disease may be subdivided into paraneoplastic and non-paraneoplastic AIR. When related to melanoma, it is referred to as MAR, and when related to other cancers, it is called CAR. The exact prevalence of AIR is unknown...
2018: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/29338781/correlation-between-disease-activity-and-serum-ferritin-in-clinically-amyopathic-dermatomyositis-with-rapidly-progressive-interstitial-lung-disease-a-case-report
#8
Kazuhiro Yamada, Kazuhisa Asai, Atsuko Okamoto, Tetsuya Watanabe, Hiroshi Kanazawa, Mai Ohata, Masahiko Ohsawa, Kazuto Hirata
BACKGROUND: Clinically amyopathic dermatomyositis with anti-Melanoma Differentiation-Associated gene 5 (MDA5) antibody often presents with severe interstitial lung disease. Although serum ferritin level is known to reflect interstitial lung disease activity, there are few case reports describing this association. CASE PRESENTATION: A 58-year-old man was referred to our outpatient clinic with a 3-week history of cough and respiratory distress. He had erythema over the V area of the neck and a Gottron's sign...
January 16, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29336323/nivolumab-for-recurrent-cutaneous-squamous-cell-carcinoma-three-cases
#9
Veronika Blum, Beat Müller, Silvia Hofer, Esther Pardo, Kristin Zeidler, Joachim Diebold, Klaus Strobel, Christoph Brand, Stefan Aebi, Oliver Gautschi
Programmed cell death ligand 1 (PD-L1) is frequently expressed in cutaneous squamous cell cancer (CSCC) and preliminary data from an ongoing clinical trial suggest that programmed death receptor 1 (PD-1) checkpoint inhibitors may be useful to treat patients with metastatic non-melanoma skin cancer. To report a series of three patients with advanced CSCC treated with nivolumab, showing that commercially available PD-1 checkpoint inhibitors may be useful in non-melanoma skin cancer patients without access to a clinical trial...
January 16, 2018: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/29334492/anti-il-10-mediated-enhancement-of-antitumor-efficacy-of-a-dendritic-cell-targeting-mip3%C3%AE-gp100-vaccine-in-the-b16f10-mouse-melanoma-model-is-dependent-on-type-i-interferons
#10
James T Gordy, Kun Luo, Brian Francica, Charles Drake, Richard B Markham
The chemokine MIP3α (CCL20) binds to CCR6 on immature dendritic cells. Vaccines fusing MIP3α to gp100 have been shown to be effective in therapeutically reducing melanoma tumor burden and prolonging survival in a mouse model. Other studies have provided evidence that interleukin-10 (IL-10) neutralizing antibodies (αIL-10) enhance immunologic melanoma therapies by modulating the tolerogenic tumor microenvironment. In the current study, we have utilized the B16F10 syngeneic mouse melanoma model to demonstrate for the first time that a therapy neutralizing IL-10 enhances the antitumor efficacy of a MIP3α-gp100 DNA vaccine, leading to significantly smaller tumors, slower growing tumors, and overall increases in mouse survival...
January 12, 2018: Journal of Immunotherapy
https://www.readbyqxmd.com/read/29332929/size-based-differentiation-of-cancer-and-normal-cells-by-a-particle-size-analyzer-assisted-by-a-cell-recognition-pc-software
#11
Babita Shashni, Shinya Ariyasu, Reisa Takeda, Toshihiro Suzuki, Shota Shiina, Kazunori Akimoto, Takuto Maeda, Naoyuki Aikawa, Ryo Abe, Tomohiro Osaki, Norihiko Itoh, Shin Aoki
Detection of anomalous cells such as cancer cells from normal blood cells has the potential to contribute greatly to cancer diagnosis and therapy. Conventional methods for the detection of cancer cells are usually tedious and cumbersome. Herein, we report on the use of a particle size analyzer for the convenient size-based differentiation of cancer cells from normal cells. Measurements made using a particle size analyzer revealed that size parameters for cancer cells are significantly greater (e.g., inner diameter and width) than the corresponding values for normal cells (white blood cells (WBC), lymphocytes and splenocytes), with no significant difference in shape parameters (e...
January 13, 2018: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29328782/the-role-of-nivolumab-in-melanoma
#12
Fabio Gomes, Patricio Serra-Bellver, Paul Lorigan
The incidence of melanoma continues to rise worldwide. Prior to 2010, there had been no progress in the treatment of advanced melanoma in living memory. Since then, immunotherapy has become a standard of care in the treatment of advanced melanoma. Nivolumab is a fully human monoclonal antibody against PD-1, which is a negative regulatory checkpoint in the T cells. The clinical benefit of nivolumab as a single agent is well established, with response rates of ≥40%, durable responses and a favorable tolerability profile...
January 12, 2018: Future Oncology
https://www.readbyqxmd.com/read/29327230/alcohol-alcoholic-beverages-and-melanoma-risk-a-systematic-literature-review-and-dose-response-meta-analysis
#13
REVIEW
Sara Gandini, Giovanna Masala, Domenico Palli, Benedetta Cavicchi, Calogero Saieva, Ilaria Ermini, Federica Baldini, Patrizia Gnagnarella, Saverio Caini
PURPOSE: Several studies in recent years have investigated the relationship between alcohol intake and melanoma risk, with conflicting results. To help clarify this issue, we conducted a literature review and dose-response meta-analysis of studies published until June 30th, 2017, that examined the association between alcohol intake (overall and by beverage type) and melanoma risk. METHODS: We used random effect models with maximum likelihood estimation to calculate summary relative risk (SRR) and 95% confidence intervals (95%CI)...
January 11, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29326088/age-effects-of-distinct-immune-checkpoint-blockade-treatments-in-a-mouse-melanoma-model
#14
Álvaro Padrón, Vincent Hurez, Harshita B Gupta, Curtis A Clark, Sri Lakshmi Pandeswara, Bin Yuan, Robert S Svatek, Mary Jo Turk, Justin M Drerup, Rong Li, Tyler J Curiel
Cancer immunotherapy has shown remarkable recent progress. Immune checkpoint blocking antibodies have become the most successful anti-cancer agent class ever developed, with six distinct agents approved since 2011 for a wide variety of cancers. Although age is the biggest risk factor for cancer (aside from selected early-onset pediatric cancers), these agents were tested pre-clinically in young hosts, and there is remarkably little published on the effects of host age on treatment outcomes in pre-clinical studies or human clinical trials...
January 8, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29324592/frequent-subclinical-macular-changes-in-combined-braf-mek-inhibition-with-high-dose-hydroxychloroquine-as-treatment-for-advanced-metastatic-braf-mutant-melanoma-preliminary-results-from-a-phase-i-ii-clinical-treatment-trial
#15
Akosua A Nti, Leona W Serrano, Harpal S Sandhu, Katherine E Uyhazi, Ilaina D Edelstein, Elaine J Zhou, Scott Bowman, Delu Song, Tara C Gangadhar, Lynn M Schuchter, Sheryl Mitnick, Alexander Huang, Charles W Nichols, Ravi K Amaravadi, Benjamin J Kim, Tomas S Aleman
PURPOSE: To assess the potential ocular toxicity of a combined BRAF inhibition (BRAFi) + MEK inhibition (MEKi) + hydroxychloroquine (HCQ) regime used to treat metastatic BRAF mutant melanoma. METHODS: Patients with stage IV metastatic melanoma and BRAF V600E mutations (n = 11, 31-68 years of age) were included. Treatment was with oral dabrafenib, 150 mg bid, trametinib, 2 mg/day, and HCQ, 400 mg to 600 mg bid. An ophthalmic examination, spectral domain optical coherence tomography, near-infrared and short-wavelength fundus autofluorescence, and static perimetry were performed at baseline, 1 month, and q/6 months after treatment...
January 10, 2018: Retina
https://www.readbyqxmd.com/read/29322606/association-of-tumour-infiltrating-regulatory-t-cells-with-adverse-outcomes-in-dogs-with-malignant-tumours
#16
K Sakai, S Maeda, Y Yamada, J K Chambers, K Uchida, H Nakayama, T Yonezawa, N Matsuki
Regulatory T cells (Tregs) infiltrate into a variety of tumour tissues and associate with poor prognosis in humans. However, data on association of Treg infiltration with prognosis is limited in canine tumours. The purpose of this study was to examine the number of tumour-infiltrating Tregs and its association with overall survival (OS) in dogs with malignant tumours. The following 168 canine tumours were included: 37 oral malignant melanomas (OMMs); 14 oral squamous cell carcinomas (OSCCs); 16 pulmonary adenocarcinomas (PAs); 37 mammary carcinomas (MCs); 36 mast cell tumours (MCTs) and 28 hepatocellular carcinomas (HCCs)...
January 11, 2018: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/29317335/integrated-case-control-and-somatic-germline-interaction-analyses-of-melanoma-susceptibility-genes
#17
Yao Yu, Hao Hu, Jiun-Sheng Chen, Fulan Hu, Jerry Fowler, Paul Scheet, Hua Zhao, Chad D Huff
While a number of genes have been implicated in melanoma susceptibility, the role of protein-coding variation in melanoma development and progression remains underexplored. To better characterize the role of germline coding variation in melanoma, we conducted a whole-exome case-control and somatic-germline interaction study involving 322 skin cutaneous melanoma cases from The Cancer Genome Atlas and 3607 controls of European ancestry. We controlled for cross-platform technological stratification using XPAT and conducted gene-based association tests using VAAST 2...
January 6, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29317282/personal-history-of-keratinocyte-carcinoma-is-associated-with-reduced-risk-of-death-from-invasive-melanoma-in-men
#18
Fengju Song, Steven T Chen, Xin Li, Jiali Han
BACKGROUND: Previous studies have found an increased risk of invasive cutaneous melanoma (CM) among those with a history of keratinocyte carcinoma (KC). OBJECTIVE: The aim of this study is to evaluate the risk of CM death after KC. METHODS: The study was based on the Health Professionals Follow-up Study (HPFS). Cox proportional hazards model was used to examine the hazard ratio (HR) of CM death associated with personal history of KC, among the entire study population (primary analysis) and invasive CM cases (secondary analysis) respectively...
January 6, 2018: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29317280/post-diagnosis-aspirin-use-and-overall-survival-in-patients-with-melanoma
#19
Saleh Rachidi, Kristin Wallace, Hong Li, Tim Lautenschlaeger, Zihai Li
BACKGROUND: Mouse studies show that tumor-derived prostaglandins and platelets promote melanoma progression and immune-evasion. OBJECTIVE: Determine if aspirin confers longer survival in patients with melanoma. METHSODS: A retrospective cohort study of 1,522 patients at Indiana University Health (IUH) diagnosed with melanoma between 2000 and 2014 and followed up through September, 2016. RESULTS: Aspirin use was associated with longer overall survival in univariate analysis and after controlling for age, sex, stage, and treatment modalities (HR 0...
January 6, 2018: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29315912/unmet-supportive-care-needs-health-status-and-minimum-costs-in-survivors-of-malignant-melanoma
#20
L M Davies, K P Hayhurst, P Lorigan, A Molassiotis
We explored the relationship between unmet care needs, health status, health utility and costs in people treated for melanoma via a cross-sectional follow-up survey (N = 455) 3 months to 5 years after complete resection of stage I-III cutaneous malignant melanoma. 51% (n = 232) had unmet care needs. This group had higher mean resource use, estimated conservatively (£28 vs. £10 per person) and worse overall health. Mean health-related utility index (AQoL6D) was 0.763 (95% CI 0.74; 0.79) in those with self-reported unmet need vs...
January 9, 2018: European Journal of Cancer Care
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