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https://www.readbyqxmd.com/read/29161183/epitope-mapping-of-monoclonal-antibody-pmab-38-against-dog-podoplanin
#1
Yao-Wen Chang, Shinji Yamada, Mika K Kaneko, Yukinari Kato
Podoplanin (PDPN), a type I transmembrane sialoglycoprotein, is extensively expressed by normal lymphatic endothelial cells, renal podocytes, and pulmonary type I alveolar cells. Nevertheless, increased expression of PDPN in malignant tumors not only associates with poor prognosis but also facilitates hematogenous metastasis through interaction with C-type lectin-like receptor-2 presented on platelets, followed by PDPN-mediated platelet activation. We previously reported a novel PMab-38 antibody, an anti-dog PDPN (dPDPN) monoclonal antibody, which specifically recognizes PDPN in squamous cell carcinomas melanomas and cancer-associated fibroblasts in canine cancer tissues...
November 21, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/29157298/impressive-response-to-immunotherapy-in-a-metastatic-gastric-cancer-patient-could-somatic-copy-number-alterations-help-patient-selection
#2
Gustavo Dos Santos Fernandes, Daniel da Motta Girardi, Luiza Dib Batista Bugiato Faria, João Paulo Giacomini Bernardes, Renata de Almeida Coudry
BACKGROUND: Metastatic gastric cancer (GC) is an incurable and aggressive disease with a poor prognosis. Immunotherapy is an attractive approach for treating patients with cancer, and studies using immunotherapy have shown promising results in melanoma, kidney and non-small cell lung cancers, among others. CASE PRESENTATION: We present a case of a 50-year-old woman with metastatic GC whose cancer had progressed after first-line chemotherapy and who received pembrolizumab as an experimental treatment...
November 21, 2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/29156728/long-non-coding-rna-hotair-acts-as-a-competing-endogenous-rna-to-promote-malignant-melanoma-progression-by-sponging-mir-152-3p
#3
Wenkang Luan, Rubo Li, Liang Liu, Xin Ni, Yan Shi, Yun Xia, Jinlong Wang, Feng Lu, Bin Xu
HOX transcript antisense RNA (HOTAIR) is associated with the growth and metastasis of many human tumors, but its biological roles in malignant melanoma remain unclear. In this study, we show that HOTAIR is overexpressed in melanoma tissues and cells, especially in metastatic melanoma. High HOTAIR levels correlate with poor prognosis in melanoma patients. We also determined that HOTAIR functions as a competing endogenous RNA (ceRNA) for miR-152-3p. miR-152-3p was decreased and acted as a tumor suppressor in melanoma, and c-MET was the functional target of miR-152-3p...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156488/association-of-pd-l1-expression-with-treatment-outcomes-in-patients-with-braf-mutation-positive-melanoma-treated-with-vemurafenib-or-cobimetinib-combined-with-vemurafenib
#4
Matthew J Wongchenko, Antoni Ribas, Brigitte Dréno, Paolo A Ascierto, Grant A McArthur, Jorge D Gallo, Isabelle A Rooney, Jessie Hsu, Hartmut Koeppen, Yibing Yan, James Larkin
The prognostic significance of programmed death ligand-1 (PD-L1) on treatment outcomes in patients receiving BRAF with or without MEK inhibitors is not well understood. This retrospective exploratory analysis evaluated the association of tumour PD-L1 expression with progression-free survival (PFS) and overall survival (OS) among 210 patients in the coBRIM trial treated with cobimetinib plus vemurafenib or placebo plus vemurafenib. In the vemurafenib cohort, there was a trend of increased PFS and OS in those with PD-L1(+) melanoma, with hazard ratios (HRs) (PD-L1(+) versus PD-L1(-) ) of 0...
November 20, 2017: Pigment Cell & Melanoma Research
https://www.readbyqxmd.com/read/29156329/clinical-outcomes-of-primary-intracranial-malignant-melanoma-and-metastatic-intracranial-malignant-melanoma
#5
Joonho Byun, Eun Suk Park, Seok Ho Hong, Young Hyun Cho, Young-Hoon Kim, Chang Jin Kim, Jeong Hoon Kim, Seungjoo Lee
OBJECTIVES: Primary intracranial malignant melanoma (PIMM) is extremely rare central nervous system (CNS) tumor and known for only composed 0.07% of the CNS tumors. PIMM composed only 1% of malignant melanoma and accordingly their clinical behavior and prognosis are not well documented. So, herein, we report our experience of pathologically proven PIMM, and compared their clinical characteristics and outcome with metastatic intracranial malignant melanoma (MIMM). PATIENTS AND METHODS: Our institutional database was reviewed for patients who diagnosed as PIMM and MIMM pathologically between 1996-2016...
November 17, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29152610/mutations-in-coagulation-factor-viii-are-associated-with-more-favorable-outcome-in-patients-with-cutaneous-melanoma
#6
Zheng Ping, Abha Soni, Lance A Williams, Huy P Pham, Malay K Basu, X Long Zheng
Coagulation factor VIII (FVIII), von Willebrand factor (VWF), and ADAMTS13 play an important role in regulation of normal hemostasis. However, little is known about their roles in patients with malignancy, particularly with cutaneous melanoma. Whole genome sequencing data are available for 25,719 cases in 126 cancer genomic studies for analysis. All sequencing data and corresponding pathology findings were obtained from The Cancer Genome Atlas. The cBioportal bioinformatics tools were used for the data analysis...
July 2017: TH Open
https://www.readbyqxmd.com/read/29145332/primary-malignant-melanoma-of-the-lung-a-case-report-and-literature-review
#7
Juan Peng, Fengfeng Han, Tianyun Yang, Jinyuan Sun, Wenbin Guan, Xuejun Guo
RATIONALE: Primary malignant melanoma of the lung (PMML) is an extremely rare neoplasm with a dismal prognosis. The diagnosis of PMML is very difficult and is based on several clinical, radiological, and histopathological criteria. PATIENT CONCERNS: A 61-year-old women was admitted with a 2-month history of a productive cough and chest pain provoked by breathing and coughing. Computed tomography (CT) scans of the chest showed a large, solid tumor in the right middle lobe of the lung...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145317/complete-remission-and-long-term-survival-of-a-patient-with-melanoma-metastases-treated-with-high-dose-fever-inducing-viscum-album-extract-a-case-report
#8
Paul G Werthmann, Alexander Hintze, Gunver S Kienle
INTRODUCTION: Metastatic malignant cutaneous melanoma (MCM)-a highly immunogenic cancer-typically has a poor prognosis. Viscum album extracts (VAEs) have strong immune-stimulating, apoptogenic, and cytotoxic effects. CASE PRESENTATION: A 66-year-old MCM patient with newly diagnosed lymph node metastases opted for sole VAE treatment. VAEs were initially applied subcutaneously, and then later in exceptionally high, fever-inducing doses, both intravenously and intralesionally...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29138811/high-expression-of-mage-a9-contributes-to-stemness-and-malignancy-of-human-hepatocellular-carcinoma
#9
Youping Wei, Yanqin Wang, Jing Gong, Lihua Rao, Zhiwei Wu, Teng Nie, Dongling Shi, Liming Zhang
MAGE-A9, a well-characterized cancer testis antigen (CTA), belongs to a member of melanoma antigen gene (MAGE) family. In human malignancies, aberrant expression of MAGE genes correlated with poor clinical prognosis, increased tumor growth, metastases, and enrichment in stem cell populations of certain cancers. Cancer stem cells (CSCs) have been proposed to contribute to the major malignant phenotypes of liver cancer, including recurrence, metastasis and chemoresistance. However, expression and potential role of MAGE-A9 in liver cancer stem cells (LCSCs) still remain unclear...
November 9, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29136692/-expression-and-prognostic-values-of-pd-1-pd-l1-and-ido-1-in-sinonasal-malignant-mucosal-melanoma
#10
H Q Liu, B Q Zou, S Y Wang
Objective: To investigate the correlation between the expression of programmed death-1(PD-1), PD ligand-1(PD-L1), indoleamine 2, 3-dioxygenase 1(IDO-1) and clinical parameters in sinonasal malignant mucosal melanoma (SNM). Methods: Samples from 86 SNM patients who did not receive immune-targeted therapy and radio-chemotherapy were analyzed for PD-1, PD-L1, and IDO-1 expression by immunohistochemistry. Results: High clinical/pathologic staging, brain metastases and advanced age were independent risk factors of poor prognosis...
November 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29136686/-clinicopathologic-and-molecular-characteristics-of-malignant-gastrointestinal-neuroectodermal-tumors
#11
M Zhao, T W Zhao, J Ma, C Y Wu, L Chen, G Q Ru, X L He
Objective: To investigate the clinicopathologic and molecular characteristics, diagnostic, differential diagnostic and prognostic features of malignant gastrointestinal neuroectodermal tumor. Methods: Two cases of malignant gastrointestinal neuroectodermal tumor were retrieved; the clinical and radiologic features, histomorphology, immunophenotype, molecular genetics and prognosis were analyzed and the relevant literature reviewed. Results: Case 1 was a 57-year-old male, presented with recurrent abdominal pain and melena...
November 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29136296/scalp-melanoma-after-anti-hair-loss-mesotherapy
#12
M Arenbergerova, P Arenberger, S Gkalpakiotis, R A Dahmen, E Sticova, A Fialova
Scalp melanoma comprises 3-5% of all cutaneous melanomas. The median age of the patients is 53 years and males are more frequently affected. The scalp melanomas tend to have nodular histology with a higher mitotic rate (>3/mm) and poorer prognosis (1). The risk factors for development of this tumor are still not defined but UV light and baldness may play a significant role (2-4). Mesotherapy is a non-surgical procedure currently being used to combat hair loss and promote hair growth. Usually a mixture of vitamins, minerals, growth factors, DHT blockers and/or stem cells extracts is injected into the dermal layer of skin (5,6)...
November 14, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29135116/serum-s100b-levels-correlate-with-stage-n-status-mitotic-rate-and-disease-outcome-in-melanoma-patients-independent-to-ldh
#13
Athanasios Karonidis, Marina Mantzourani, Helen Gogas, Dimosthenis Tsoutsos
PURPOSE: S100B protein is currently used as an immunohistochemistry marker to confirm melanoma diagnosis in biopsy specimens. Moreover, accumulating evidence supports its potential use as a tumor biomarker in blood. This study aimed to explore the potential uses of serum S100B protein as a biomarker in melanoma patients. METHODS: From 2012 to 2015, 107 sequential patients were diagnosed and treated for melanoma. All patients were tested for serum S100B and lactate dehydrogenase (LDH) at diagnosis and during their regular follow-up...
September 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29133634/immunohistochemical-expression-of-x-linked-inhibitor-of-apoptosis-in-eyelid-sebaceous-gland-carcinoma-predicts-a-worse-prognosis
#14
Perumal Jayaraj, Seema Sen, P S Dhanaraj, Romika Jhajhria, Shalu Singh, Vijay Kumar Singh
PURPOSE: Overexpression of the inhibitors of apoptosis proteins have been demonstrated in a variety and of solid tumors including melanomas and nonmelanomas skin cancers. X-linked inhibitor of apoptosis protein (XIAP) is an inhibitor of apoptosis which prevents apoptosis by inhibiting caspases 9, 7, and 3. The prognostic value of XIAP in sebaceous gland carcinoma (SGC) remains unexplored. METHODS: The immunohistochemical expression of XIAP was evaluated in 29 SGC cases...
November 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29132118/primary-malignant-melanoma-of-the-female-urethra-report-of-a-rare-neoplasm-of-the-urinary-tract
#15
Namita Bhutani, Pradeep Kajal, Devendra Pawar
INTRODUCTION: Melanoma is a malignant tumor that can affect any area of the anatomical economy. Its occurance in the female urethra is extremely rare. We report a case of primary malignant urethral melanoma developed in an elderly female patient. PRESENTATION OF CASE: A 70 years old female presented with dysuria, poor stream, gross haematuria, intermittent blood spots, and a painful mass. On physical examination, there were no suspicious lesions on the skin. On external genital examination, a lesion at the level of the urethral meatus was observed...
November 8, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29127397/spagm-inferring-subpathway-activity-by-integrating-gene-and-mirna-expression-robust-functional-signature-identification-for-melanoma-prognoses
#16
Chun-Long Zhang, Yan-Jun Xu, Hai-Xiu Yang, Ying-Qi Xu, De-Si Shang, Tan Wu, Yun-Peng Zhang, Xia Li
MicroRNAs (miRNAs) regulate biological pathways by inhibiting gene expression. However, most current analytical methods fail to consider miRNAs, when inferring functional or pathway activities. In this study, we developed a model called sPAGM to infer subpathway activities by integrating gene and miRNA expressions. In this model, we reconstructed subpathway graphs by embedding miRNA components, and characterized subpathway activity (sPA) scores by simultaneously considering the expression levels of miRNAs and genes...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29123256/favourable-prognostic-role-of-histological-regression-in-stage-iii-positive-sentinel-lymph-node-melanoma-patients
#17
D Zugna, R Senetta, S Osella-Abate, M T Fierro, A Pisacane, A Zaccagna, A Sapino, V Bataille, A Maurichi, F Picciotto, P Cassoni, P Quaglino, S Ribero
BACKGROUND: Sentinel lymph node (SLN)-positive melanoma patients are a heterogeneous group of patients with survival rates ranging from ∼20 to over 80%. No data are reported concerning the role of histological regression on survival in stage III melanoma. METHODS: The study included 365 patients with positive SLN from two distinct hospitals. The model was developed on patients from 'AOU Città della Salute e della Scienza di Torino', and externally validated on patients from IRCCS of Candiolo...
November 9, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29115903/5-year-survival-after-splenectomy-in-a-patient-with-recurrent-cutaneous-melanoma-a-case-report
#18
Lynn De Roeck, Laura Wuyts, Benjamin Peters, Martin Ruppert
OBJECTIVE: Splenic metastases of melanoma are uncommon and generally part of a disseminated disease with a poor prognosis. In case of solitary visceral metastasis, surgical resection often remains an effective treatment. This case describes a long-term survival after splenectomy for a recurrent melanoma. METHODS: We present a 55-year-old female with a solitary splenic metastasis. Her medical history revealed a melanoma of the foot in 2007 and an in-transit metastasis in 2011...
November 8, 2017: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/29109888/melanotic-schwannomas-are-rarely-seen-pigmented-tumors-with-unpredictable-prognosis-and-challenging-diagnosis
#19
Elif Keskin, Sumeyye Ekmekci, Ozgur Oztekin, Gulden Diniz
Melanotic Schwannoma (MS) is rarely seen and potentially malignant neoplasm that is categorized as a variant of Schwannoma. MS most frequently involves intracranial structures followed by posterior nerve roots in the spinal canal. Approximately 50% of the cases with MS have psammomatous calcifications and this type of MS is related to Carney complex with autosomal dominant inheritance. Most cases of MS are benign, though 10% of them are malignant with metastatic potential. MS mimics melanoma and the differential diagnosis should be made excluding other melanin producing neoplasms especially melanoma...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/29109346/-a-case-of-metastatic-uveal-melanoma-of-the-liver-and-digestive-tract
#20
Mami Hachiya, Kenichi Satoh, Shinichiro Takami, Shinichiro Uetake, Seiji Arihiro, Atsushi Hokari, Tomohisa Ishikawa, Ichiro Takagi, Hisao Tajiri, Masayuki Saruta
Metastasis of uveal melanoma of the digestive tract is rare. We report a case of a patient with metastatic uveal melanoma of the liver and digestive tract. A 68-year-old man was admitted with primary complaint of appetite loss and fatigue. Abdominal computed tomography revealed a 13-cm diameter tumor in the right lobe of the liver. We diagnosed him with metastatic uveal melanoma. We performed a liver tumor biopsy and diagnosed metastatic melanoma;we found distant metastases in the stomach, duodenum, and rectum on endoscopic biopsy...
2017: Nihon Shokakibyo Gakkai Zasshi, the Japanese Journal of Gastro-enterology
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