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melanoma prognosis

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https://www.readbyqxmd.com/read/28210624/rna-sequencing-analysis-reveals-interactions-between-breast-cancer-or-melanoma-cells-and-the-tissue-microenvironment-during-brain-metastasis
#1
Ryo Sato, Teppei Nakano, Mari Hosonaga, Oltea Sampetrean, Ritsuko Harigai, Takashi Sasaki, Ikuko Koya, Hideyuki Okano, Jun Kudoh, Hideyuki Saya, Yoshimi Arima
Metastasis is the main cause of treatment failure and death in cancer patients. Metastasis of tumor cells to the brain occurs frequently in individuals with breast cancer, non-small cell lung cancer, or melanoma. Despite recent advances in our understanding of the causes and in the treatment of primary tumors, the biological and molecular mechanisms underlying the metastasis of cancer cells to the brain have remained unclear. Metastasizing cancer cells interact with their microenvironment in the brain to establish metastases...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28207831/the-relationship-between-rassf1a-gene-promoter-methylation-and-the-susceptibility-and-prognosis-of-melanoma-a-meta-analysis-and-bioinformatics
#2
Chihao Shao, Wenzhu Dai, Haili Li, Wenru Tang, Shuting Jia, Xiaoming Wu, Ying Luo
BACKGROUND: The function of the tumor suppressor gene RASSF1A in cancer cells has been detailed in many studies. However, due to the methylation of its promoter, the expression of RASSF1A is missing in most cancers. In the literature, we found that the conclusion regarding the relationship between RASSF1A gene promoter methylation and the susceptibility and prognosis of melanoma was not unified. This study adopts the use of a meta-analysis and bioinformatics to explore the relationship between RASSF1A gene promoter methylation and the susceptibility and prognosis of melanoma...
2017: PloS One
https://www.readbyqxmd.com/read/28206940/resection-of-gastrointestinal-metastases-in-stage-iv-melanoma-correlation-with-outcomes
#3
Sangeetha Prabhakaran, William J Fulp, Ricardo J Gonzalez, Vernon K Sondak, Ragini R Kudchadkar, Geoffrey T Gibney, Jeffrey S Weber, Jonathan S Zager
The prognosis of patients with gastrointestinal (GI) melanoma metastases is poor. Surgery renders select patients disease free and/or palliates symptoms. We reviewed our single-institution experience of resection with GI melanoma metastases. A retrospective review was performed on patients who underwent surgery for GI melanoma metastases from 2007 to 2013. Fifty-four patients were identified and separated based on completeness of resection into curative 13 (24%) and palliative 41 (75.9%) groups. Thiry-six (63...
November 1, 2016: American Surgeon
https://www.readbyqxmd.com/read/28203297/therapeutic-approach-to-treating-patients-with-braf-mutant-lung-cancer-latest-evidence-and-clinical-implications
#4
REVIEW
Adrianus J de Langen, Egbert F Smit
Lung adenocarcinoma is known for its high rate of somatic mutations and genomic rearrangements. The identification of epidermal growth factor receptor (EGFR) mutations and anaplastic lymphoma kinase (ALK) rearrangements that sensitize tumors to specific drugs has changed the therapeutic approach and prognosis in these molecularly-defined subgroups. Several other key genetic alterations have been identified, of which BRAF mutations are found in 4% of non-small cell lung cancer (NSCLC) cases. Targeted drugs against BRAF and downstream MEK were recently approved for the treatment of BRAF-positive melanoma and have entered clinical evaluation in NSCLC...
January 2017: Therapeutic Advances in Medical Oncology
https://www.readbyqxmd.com/read/28199980/pd-l1-up-regulation-in-melanoma-increases-disease-aggressiveness-and-is-mediated-through-mir-17-5p
#5
Valentina Audrito, Sara Serra, Aureliano Stingi, Francesca Orso, Federica Gaudino, Cinzia Bologna, Francesco Neri, Giulia Garaffo, Romina Nassini, Gianna Baroni, Eliana Rulli, Daniela Massi, Salvatore Oliviero, Roberto Piva, Daniela Taverna, Mario Mandalà, Silvia Deaglio
PD-L1 is expressed by a subset of patients with metastatic melanoma (MM) with an unfavorable outcome. Its expression is increased in cells resistant to BRAF or MEK inhibitors (BRAFi or MEKi). However, the function and regulation of expression of PD-L1 remain incompletely understood.After generating BRAFi- and MEKi-resistant cell lines, we observed marked up-regulation of PD-L1 expression. These cells were characterized by a common gene expression profile with up-regulation of genes involved in cell movement...
February 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28197532/using-global-gene-expression-to-discriminate-thin-melanomas-with-poor-outcomes
#6
Zachary Hothem, Andrew Bayci, Bryan J Thibodeau, Billie E Ketelsen, Laura E Fortier, Alison F Uzieblo, Diane Cosner, Kristin Totoraitis, Richard D Keidan, George D Wilson
Most melanomas present as thin lesions (≤1.0 mm) with a good prognosis; however, a small percentage of patients with thin lesions experience recurrence or metastasis. The aim of our study was to identify a distinct pattern of gene expression within thin melanomas known to have eventually metastasized to regional lymph nodes or distant sites compared with those that followed the typical course with good response to wide local excision alone. Patients who were disease-free for a minimum of 10 y served as controls (n = 10) to the experimental group who developed metastasis (n = 9)...
2017: Molecular & Cellular Oncology
https://www.readbyqxmd.com/read/28197362/prognostic-impact-of-the-expression-of-ncr1-and-ncr3-nk-cell-receptors-and-pd-l1-on-advanced-non-small-cell-lung-cancer
#7
Laetitia Fend, Sylvie Rusakiewicz, Julien Adam, Bérangère Bastien, Anne Caignard, Meriem Messaoudene, Christina Iribarren, Isabelle Cremer, Aurélien Marabelle, Christophe Borg, Michaela Semeraro, Luc Barraud, Jean-Marc Limacher, Alexander Eggermont, Guido Kroemer, Laurence Zitvogel
The putative contribution of natural killer (NK) cells to immunosurveillance in non-small cell lung cancer (NSCLC) has been an ongoing conundrum. Here, we used a readily standardizable quantitative real time polymerase chain reaction (qRT-PCR) to measure the expression of NK cell receptors in total peripheral blood mononuclear cells (PBMC) from healthy volunteers (HV), patients with gastrointestinal stromal tumors (GIST), neuroblastoma (NB), melanoma or NSCLC. We quantified NCR1 (which codes for NKp46) and NCR3 (which codes for NKp30), as well as that of three NCR3 splice variants (which give rise to immunostimulatory NKp30A and NKp30B, as well as to immunosuppressive NKp30C)...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28197351/a-case-of-malignant-melanoma-of-the-uterine-cervix-with-disseminated-metastases-throughout-the-vaginal-wall
#8
Tomoko Noguchi, Nami Ota, Yasushi Mabuchi, Shigetaka Yagi, Sawako Minami, Hisako Okuhira, Yuki Yamamoto, Yasushi Nakamura, Kazuhiko Ino
Malignant melanoma (MM) in the female genital tract accounts for less than 2% of all melanomas, and the vast majority associated occur in the vulva and vagina. Primary MM of the uterine cervix is extremely rare and its prognosis is very poor. We report a case of primary MM of the cervix with dissemination throughout the vaginal wall. A 66-year-old woman presented with postmenopausal bleeding. Gynecologic examination demonstrated a 2 cm polypoid blackish-pigmented tumor on the cervix with multiple small blackish-pigmented lesions throughout the vaginal wall...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28195450/meltump-how-to-manage-these-lesions-in-the-clinical-routine
#9
Vincenzo Piccolo, Elvira Moscarella, Aimilios Lallas, Roberto Alfano, Gerardo Ferrara, Giuseppe Argenziano
Although most melanocytic lesions can be diagnosed by histopathologists as benign or malignant with high confidence, a subset of morphologically ambiguous lesions does exist and still represents a significant problem for pathologists. These lesions have been defined as MELTUMP, i.e. melanocytic tumors of uncertain malignant potential. MELTUMP could be considered as a large cauldron in which melanocytic lesions with equivocal morphologic features fall into, including most benign lesions and a minority of melanomas, unfortunately recognizable only a posteriori for their unfavorable outcome...
February 14, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28188776/aurora-a-overexpression-aurka-is-driven-by-foxm1-and-mapk-erk-activation-in-melanoma-cells-harbouring-braf-or-nras-mutations-impact-on-melanoma-prognosis-and-therapy
#10
Joan Anton Puig-Butille, Antònia Vinyals, Josep R Ferreres, Paula Aguilera, Eduard Cabré, Gemma Tell-Martí, Joaquim Marcoval, Francesca Mateo, Luís Palomero, Celia Badenas, Josep M Piulats, Josep Malvehy, Miquel A Pujana, Susana Puig, Àngels Fabra
The cell cycle-related genes AURORA A and Forkhead box M1 (FOXM1) are overexpressed in melanoma. We show here that AURKA overexpression is associated with poor prognosis in three independent cohorts of melanoma patients and correlates with the presence of genomic amplification of AURKA locus and BRAF(V600E) mutation. AURKA overexpression may also be driven to increased promoter activation through elements such as ETS and FOXM1 found within the 5' proximal promoter region. Activated MAPK-ERK signalling pathway mediates robust AURKA promoter activation, thereby knockdown of BRAF(V600E) and ERK inhibition results in reduced AURKA transcription and expression...
February 7, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28182330/heat-shock-protein-27-hsp27-hspb1-is-synthetic-lethal-to-cells-with-oncogenic-activation-of-met-egfr-and-braf
#11
John David Konda, Martina Olivero, Daniele Musiani, Simona Lamba, Maria Flavia Di Renzo
The small Heat Shock Protein of 27 KDa (HSP27) is highly expressed in many cancers and is associated with aggressive tumor behaviour, metastasis, poor prognosis and resistance to chemotherapy. We aimed at assessing the role of HSP27 in modulating responses to target therapies. We selected several oncogene-addicted cancer cell lines, which undergo either cell cycle blockade or cell death in response to agents that target the specific oncogene. Surprisingly, HSP27 suppression alone resulted in the apoptotic death of MET-addicted EBC-1 lung cancer cells, EGFR-addicted colorectal carcinoma DiFi cells and BRAF-addicted colorectal carcinoma COLO205 and OXCO-1 and melanoma COLO741 cells, all of which also undergo death when treated with the specific targeted agent...
February 9, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28181783/management-and-treatment-of-nail-melanoma
#12
Emi Dika, Bianca M Piraccini, Pier A Fanti
BACKGROUND: An early and prompt NAM diagnosis is associated with less invasive surgical procedures and a better patient's prognosis. The diagnostic delay may be related both to the clinical misinterpretations and to errors in the diagnosing process. Biopsy techniques have been adequately describe by nail experts, but the two main problems in the correct choice of the biopsy are probably related to the difficulty in performing surgery in the nail unit and the risk of permanent nail dystrophy...
February 8, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28180954/magnetic-resonance-imaging-appearance-of-soft-tissue-metastases-our-experience-at-an-orthopedic-oncology-center
#13
Jennifer Sammon, Abhishek Jain, Robert Bleakney, Rakesh Mohankumar
OBJECTIVE: To assess the prevalence and magnetic resonance imaging appearance of metastasis presenting as a soft-tissue mass. MATERIALS AND METHODS: A retrospective chart review was performed on 51 patients who presented to an orthopedic oncology center with soft-tissue masses, with a histology-proven diagnosis of soft-tissue metastasis, over a 14-year period. Their magnetic resonance imaging, primary origin, and follow-up have been assessed. RESULTS: Soft-tissue metastasis was identified in patients ranging from 18 to 85 years old...
February 8, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28178709/neoplastic-meningitis-due-to-lung-breast-and-melanoma-metastases
#14
Emilie Le Rhun, Sophie Taillibert, Marc C Chamberlain
BACKGROUND: Neoplastic meningitis, a central nervous system (CNS) complication of cancer metastatic to the meninges and cerebrospinal fluid (CSF), is relevant to oncologists due to the impact of the disease on patient quality of life and survival rates. METHODS: A review of the literature of articles published in English was conducted with regard to neoplastic meningitis. RESULTS: The incidence of neoplastic meningitis is increasing because patients with cancer are surviving longer in part because of the use of novel therapies with poor CNS penetration...
January 2017: Cancer Control: Journal of the Moffitt Cancer Center
https://www.readbyqxmd.com/read/28171845/a-first-reported-case-of-metastatic-anorectal-amelanotic-melanoma-with-a-marked-response-to-anti-pd-1-antibody-nivolumab-a-case-report
#15
Katsuji Tokuhara, Kazuyoshi Nakatani, Hirotsugu Tanimura, Kazuhiko Yoshioka, Takahiro Kiyohara, Masanori Kon
INTRODUCTION: Anorectal amelanotic melanoma (AAMM) is a rare disease with poor prognosis. A standard treatment strategy for AAMM has not been established. PRESENTATION OF CASE: We report a case of successful treatment of AAMM with nivolumab. A 67-year-old man was referred for colonoscopy which revealed type I tumor in the rectum. AAMM was diagnosed with immunostaining histopathological biopsy findings. Enhanced computed tomography (ECT) revealed the rectal tumor without distant organ metastasis...
January 23, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28168807/hypoxia-induced-hif1%C3%AE-targets-in-melanocytes-reveal-a-molecular-profile-associated-with-poor-melanoma-prognosis
#16
Stacie K Loftus, Laura L Baxter, Julia C Cronin, Temesgen D Fufa, William J Pavan
Hypoxia and HIF1α signaling direct tissue-specific gene responses regulating tumor progression, invasion and metastasis. By integrating HIF1α knockdown and hypoxia-induced gene expression changes, this study identifies a melanocyte-specific, HIF1α-dependent / hypoxia-responsive gene expression signature. Integration of these gene expression changes with HIF1α ChIP-Seq analysis identifies 81 HIF1α direct target genes in melanocytes. The expression levels for ten of the HIF1α direct targets - GAPDH, PKM, PPAT, DARS, DTWD1, SEH1L, ZNF292, RLF, AGTRAP, and GPC6 - are significantly correlated with reduced time of Disease Free Status (DFS) in melanoma by logistic regression (P-value =0...
February 6, 2017: Pigment Cell & Melanoma Research
https://www.readbyqxmd.com/read/28167449/curcumin-and-treatment-of-melanoma-the-potential-role-of-micrornas
#17
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/28160141/clinical-impact-of-tumor-infiltrating-lymphocytes-in-esophageal-squamous-cell-carcinoma
#18
Tomoya Sudo, Ryosuke Nishida, Akihiko Kawahara, Kouhei Saisho, Koshi Mimori, Akira Yamada, Atsuhi Mizoguchi, Kazutaka Kadoya, Satoru Matono, Naoki Mori, Toshiaki Tanaka, Yoshito Akagi
BACKGROUND: Recently, several immune checkpoint inhibitors have been developed and are being used to treat malignant melanoma, lung cancer, and other cancers. Several reports have indicated that tumor-infiltrating lymphocytes (TILs) are associated with clinical and histopathologic risk factors in various cancers. However, the role of TILs in esophageal squamous cell carcinoma (ESCC) has not been well studied. This study aimed to investigate the perilesional status of TILs in ESCC and to show associations between TILs and clinical variables...
February 3, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28159971/the-prognostic-value-of-ajcc-staging-in-uveal-melanoma-is-enhanced-by-adding-chromosome-3-and-8q-status
#19
Mehmet Dogrusöz, Mette Bagger, Sjoerd G van Duinen, Wilma G Kroes, Claudia A L Ruivenkamp, Stefan Böhringer, Klaus Kaae Andersen, Gregorius P M Luyten, Jens F Kiilgaard, Martine J Jager
Purpose: The American Joint Committee on Cancer (AJCC) staging system has been validated for use as a prognostic parameter in uveal melanoma (UM). We studied whether adding information regarding chromosome 3 and 8q status further enhances the prognostic value of this staging system. Methods: We retrospectively studied a cohort of 522 patients who had been treated for UM in two different centers between 1999 and 2015. The mean follow-up time was 47.7 months. Cumulative incidence curves were generated and regression analyses were performed for different combinations of AJCC staging and chromosome status...
February 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28159633/ring-melanoma-of-the-anterior-chamber-angle-as-a-mimicker-of-pigmentary-glaucoma
#20
Anni Stadigh, Päivi Puska, Eija Vesti, Ari Ristimäki, Joni A Turunen, Tero T Kivelä
A 19-year-old man noticed blurred vision in his right eye. He had an intraocular pressure (IOP) of 60 mmHg, versus 12 mmHg in the fellow eye. He was initially diagnosed with an atypical, advanced pigmentary glaucoma. The IOP did not respond to maximal medication, deep sclerectomy, goniopuncture, and two cyclophotocoagulations. Sixteen months after presentation, malignancy was first suspected, and the eye was enucleated. A ring melanoma of the anterior chamber angle was confirmed by the histopathological examination...
January 31, 2017: Survey of Ophthalmology
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