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https://www.readbyqxmd.com/read/28743173/improvement-and-persistent-disparities-in-completion-lymph-node-dissection-lessons-from-the-national-cancer-database
#1
Brian S Chu, Wima Koffi, Richard S Hoehn, Audrey Ertel, Shimul A Shah, Syed A Ahmad, Jeffrey J Sussman, Heather B Neuman, Daniel E Abbott
BACKGROUND: Completion lymph node dissection (CLND) is recommended for melanoma patients with positive sentinel lymph node biopsies (SLNB); however, 50% do not undergo CLND. We sought to determine CLND trends over time, and factors contributing to variability. METHODS: The NCDB was queried for patients undergoing wide local excision (WLE), with or without SLNB and CLND. Cohorts were created based on demographic/socioeconomic variables and era of treatment (Era 1: 2003-07, Era 2: 2008-12)...
July 25, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28743137/-surgical-methods-in-the-treatment-of-uveal-melanoma
#2
Georgios Blatsios, Gertrud Haas, Claus Zehetner, Nikolaos E Bechrakis
Significant advancements have been made in the last decades in the treatment of uveal melanoma. Radiation therapy can achieve, depending on the method, local tumour control in up to 98% of cases. Surgical modalities have been implemented in the ocular therapy for uveal melanoma either to treat/prevent radiation complications, such as so-called toxic tumour syndrome, or to primarily treat the tumour with or without adjunctive radiotherapy. These include endoresection and transscleral resection for melanomas of the choroid/ciliary body or irido-trabeculo-cyclectomy for melanomas of the iris-ciliary body...
July 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28742907/combination-therapy-shrinks-melanoma-brain-metastases
#3
Anita Slomski
No abstract text is available yet for this article.
July 25, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28741926/redesigned-spider-peptide-with-improved-antimicrobial-and-anticancer-properties
#4
Sonia Troeira Henriques, Nicole Lawrence, Stephanie Chaousis, Anjaneya S Ravipati, Olivier Cheneval, Aurélie H Benfield, Alysha G Elliott, Angela Maria Kavanagh, Matthew A Cooper, Lai Yue Chan, Yen-Hua Huang, David J Craik
Gomesin, a disulfide-rich antimicrobial peptide produced by the Brazilian spider Acanthoscurria gomesiana, has been shown to be potent against Gram-negative bacteria and to possess selective anticancer properties against melanoma cells. In a recent study, a backbone cyclized analogue of gomesin was shown to be as active but more stable than its native form. In the current study, we were interested in improving the antimicrobial properties of the cyclic gomesin, understanding its selectivity towards melanoma cells and elucidating its antimicrobial and anticancer mode of action...
July 25, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28741900/the-avidity-of-tumor-specific-t-cells-amplified-by-a-pdc-based-assay-can-predict-the-clinical-evolution-of-melanoma-patients
#5
Julie Charles, Laurence Chaperot, Bruno Revol, Marine Baudin, Stephane Mouret, Agnes Hamon, Marie-Therese Leccia, Joel Plumas, Caroline Aspord
The advent of immune-checkpoint blockers and targeted therapies has changed the outcome of melanoma. However, many patients experience relapses, emphasizing the need for predictive and prognostic biomarkers. We developed a strategy based on plasmacytoid dendritic cells (pDCs) loaded with melanoma-tumor antigens that allows eliciting highly efficient antitumor T-cell responses. We used it to investigate antitumor T-cell functionality in peripheral blood mononuclear cells and tumor-infiltrating lymphocytes from melanoma patients...
July 25, 2017: Pigment Cell & Melanoma Research
https://www.readbyqxmd.com/read/28741790/diallyl-trisulfide-inhibits-cell-migration-and-invasion-of-human-melanoma-a375-cells-via-inhibiting-integrin-facal-adhesion-kinase-pathway
#6
Hsiao-Chi Wang, Yung-Lin Chu, Shu-Chen Hsieh, Lee-Yan Sheen
Melanoma is the leading cause of death from skin disease due to its propensity for metastasis. Studies have shown that integrin-mediated focal adhesion kinase (FAK) signal pathway is implicated in cell proliferation, survival and metastasis of tumor cells. Our previous results indicated that diallyl trisulfide (DATS) provided its antimelanoma activity via inducing cell cycle arrest and apoptosis. The aim of this study was to explore DATS mediated antimetastatic effect and the corresponding mechanism in human melanoma A375 cells...
July 25, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28741688/new-insights-into-naevoid-melanomas-a-clinico-pathological-reassessment
#7
Martin G Cook, Daniela Massi, Willeke A M Blokx, Joost Van den Oord, Senada Koljenović, Vincenzo De Giorgi, Eleanor Kissin, Megan Grant, Amit Mandal, Gabriela Gremel, Caroline Gaudy, Amaya Viros, Nathalie Dhomen, Kiarash Khosrotehrani, Richard Marais, Adele C Green, Martin C Mihm
AIMS: Because the term 'naevoid melanoma' has variable clinical and pathologic interpretations, we aimed to clarify the features of melanomas referred to as naevoid. METHODS AND RESULTS: A review was undertaken of 102 melanomas diagnosed histopathologically as naevoid melanomas and ascertained by European Organisation for Research and Treatment of Cancer Melanoma Group Subcommittee pathologists from their records. We found these could be classified morphologically into 3 groups...
July 25, 2017: Histopathology
https://www.readbyqxmd.com/read/28741062/ethanol-extract-of-ilex-hainanensis-merr-exhibits-anti-melanoma-activity-by-induction-of-g1-s-cell-cycle-arrest-and-apoptosis
#8
Ya-Qi Zhang, Hao Yang, Wei-Dong Sun, Juan Wang, Bao-Yuan Zhang, Yan-Jun Shen, Min-Qiang Yin, Yun-Xing Liu, Chang Liu, Yun Sun
OBJECTIVE: To evaluate anti-melanoma effect of ethanol extract of Ilex hainanensis Merr. (IME) and elucidate its underlying mechanism. METHODS: Thirty-six tumor-bearing mice were randomized into 6 groups (n=6) as follows: model group, IME 25, 50, 100, and 200 mg/kg groups and dacarbazine (DTIC) 70 mg/kg group. The mice in the IME treatment groups were intragastrically administered with IME 25, 50, 100 or 200 mg/kg per day, respectively. The mice in the DTIC group were intraperitoneally injected with DTIC 70 mg/kg every 2 days...
July 25, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28740933/18f-fdg-pet-response-and-clinical-outcomes-after-stereotactic-body-radiation-therapy-for-metastatic-melanoma
#9
Ryan S Youland, Ann T Packard, Miran J Blanchard, Andrea L Arnett, Gregory A Wiseman, Lisa A Kottschade, Roxana S Dronca, Svetomir N Markovic, Kenneth R Olivier, Sean S Park
BACKGROUND: Clinical data that support stereotactic body radiation therapy (SBRT) metastatic malignant melanoma (MM) are limited. Furthermore, functional imaging with 18F-fludeoxyglucose positron emission tomography (PET) may offer a more accurate post-SBRT assessment. Therefore, we assessed the clinical outcomes and metabolic response of metastatic MM after SBRT. METHODS AND MATERIALS: Patients with MM who were treated with SBRT and had pre- and post-PET scans (>1) were included in this study...
April 2017: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/28740692/durable-complete-response-to-nivolumab-in-a-patient-with-hiv-and-metastatic-non-small-cell-lung-cancer
#10
Brennan McCullar, Taylor Alloway, Michael Martin
Programmed death 1 (PD-1) inhibitors have been shown to increase overall survival in non-small cell lung cancer (NSCLC) patients. HIV patients have increased expression of PD-1 on their T-cell surfaces. We describe a patient with well-controlled HIV and NSCLC who underwent treatment with nivolumab and had a durable complete response (CR) with his viral load remaining undetectable. To date there is only one case report of a cancer patient with melanoma and with HIV treated with a programmed death ligand 1 (PD-L1) inhibitor...
June 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28740606/structure-guided-strategy-for-the-development-of-potent-bivalent-erk-inhibitors
#11
Bernhard C Lechtenberg, Peter D Mace, E Hampton Sessions, Robert Williamson, Romain Stalder, Yann Wallez, Gregory P Roth, Stefan J Riedl, Elena B Pasquale
ERK is the effector kinase of the RAS-RAF-MEK-ERK signaling cascade, which promotes cell transformation and malignancy in many cancers and is thus a major drug target in oncology. Kinase inhibitors targeting RAF or MEK are already used for the treatment of certain cancers, such as melanoma. Although the initial response to these drugs can be dramatic, development of drug resistance is a major challenge, even with combination therapies targeting both RAF and MEK. Importantly, most resistance mechanisms still rely on activation of the downstream effector kinase ERK, making it a promising target for drug development efforts...
July 13, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28740548/modulation-of-salmonella-tumor-colonization-and-intratumoral-anti-angiogenesis-by-triptolide-and-its-mechanism
#12
Jianxiang Chen, Yiting Qiao, Bo Tang, Guo Chen, Xiufeng Liu, Bingya Yang, Jing Wei, Xiangyu Zhang, Xiawei Cheng, Pan Du, Wenhui Jiang, Qingang Hu, Zi-Chun Hua
The weakened tumour colonization of attenuated Salmonella has severely hampered its clinical development. In this study, we investigated whether an anti-inflammation and antiangiogenesis compound triptolide could improve the efficacy of VNP20009, a highly attenuated Salmonella strain, against mice melanoma. By comparing the effects of conventional VNP20009 monotherapy and a combination therapy that uses both triptolide and VNP20009, we found that triptolide significantly improved the tumour colonization of VNP20009 by reducing the number of infiltrated neutrophils in the melanoma, which led to a larger necrotic area in the melanoma...
2017: Theranostics
https://www.readbyqxmd.com/read/28740547/down-regulated-mir-23a-contributes-to-the-metastasis-of-cutaneous-melanoma-by-promoting-autophagy
#13
Weinan Guo, Huina Wang, Yuqi Yang, Sen Guo, Weigang Zhang, Yu Liu, Xiuli Yi, Jingjing Ma, Tao Zhao, Lin Liu, Zhe Jian, Ling Liu, Gang Wang, Tianwen Gao, Qiong Shi, Chunying Li
Melanoma is among the most aggressive tumors, and the occurrence of metastasis leads to a precipitous drop in the patients' survival. Therefore, identification of metastasis-associated biomarkers and therapeutic targets will contribute a lot to improving melanoma theranostics. Recently, microRNAs (miRNAs) have been implicated in modulating cancer invasion and metastasis, and are proved as potential non-invasive biomarkers in sera for various tumors. Here, we reported miR-23a as a novel metastasis-associated miRNA that played a remarkable role in modulating melanoma invasive and metastatic capacity and was of great value in predicting melanoma metastasis and prognosis...
2017: Theranostics
https://www.readbyqxmd.com/read/28740364/development-of-highly-potent-melanogenesis-inhibitor-by-in-vitro-in-vivo-and-computational-studies
#14
Qamar Abbas, Zaman Ashraf, Mubashir Hassan, Humaira Nadeem, Muhammad Latif, Samina Afzal, Sung-Yum Seo
The present work describes the synthesis of few hydroxylated amide derivatives as melanogenesis inhibitors. In vitro, in vivo and computational studies proved that compound 6d is a highly potent melanogenesis inhibitor compared to standard kojic acid. The title amides 4a-e and 6a-e were synthesized following simple reaction routes with excellent yields. Most of the synthesized compounds exhibited good mushroom tyrosinase inhibitory activity, but compound 6d showed excellent activity (IC50 0.15 µM) compared to standard kojic acid (IC50 16...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28739749/analysis-of-clinicopathological-features-and-prognostic-factors-in-39-cases-of-bladder-neuroendocrine-carcinoma
#15
Hui-Hui Zhou, Li-Yan Liu, Guo-Hua Yu, Gui-Mei Qu, Pei-You Gong, Xiao Yu, Ping Yang
AIM: Through analysis and summarization of clinicopathological features, immunohistochemical expression, pathological diagnostic criteria, prognostic and other factors in patients suffering from bladder neuroendocrine carcinoma (BNEC), a better understanding of BNEC could be achieved to provide solid evidence for clinicopathology and prognosis. MATERIALS AND METHODS: The clinicopathological data of 39 cases of BNEC with up to 5-year follow-up data (median follow-up=650 days) were analyzed retrospectively based on immunohistochemical staining...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28739713/feasibility-of-postoperative-radiotherapy-using-conventional-fractionation-for-lymph-node-metastasis-from-cutaneous-melanoma
#16
Yeon Joo Kim, Si Yeol Song, Wanlim Kim, Seong-Yun Jeong, Wonsik Choi, Hyoung Uk Je, Jong-Seok Lee, Eun Kyung Choi
AIM: In the present study we assessed if postoperative radiotherapy (PORT) using conventional fractionation confers a benefit in cutaneous melanoma patients with lymph node (LN) metastasis. PATIENTS AND METHODS: Sixty-two patients with axillary or inguinal LN metastasis were retrospectively reviewed. Twenty-eight patients received PORT. The median RT dose was 50 Gy in 25 fractions. The high-risk group was defined by the presence of any of the following: ≥3 LNs, size ≥3 cm, extranodal extension...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28738934/neoadjuvant-talimogene-laherparepvec-for-the-treatment-of-metastatic-melanoma
#17
Zachary E Stiles, Martin D Fleming, Edward A Luce, Jeremiah L Deneve
No abstract text is available yet for this article.
July 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28738534/high-expression-of-cd47-predicts-adverse-prognosis-in-chinese-patients-and-suppresses-immune-response-in-melanoma
#18
Wenhua Fu, Jisen Li, Wei Zhang, Peng Li
BACKGROUND: Cluster of differentiation 47 (CD47) negatively regulates macrophage phagocytosis and is correlated with adverse survival of multiple cancers. In melanoma patients, especially in Chinese melanoma patients, its prognostic value is unclear. In this study, we aim to study the prognostic value of CD47 in a Chinse melanoma patient cohort and its immunomodulation roles in mouse model. METHOD: 164 melanoma tissue specimens were collected. The expression of CD47 in these clinical samples was examined by immunohistochemistry staining (IHC)...
July 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738392/multiple-lymph-node-basin-drainage-in-trunk-melanoma-is-not-associated-with-survival-of-sentinel-lymph-node-positive-patients
#19
Simone Ribero, Simona Osella Abate, Sadro Pasquali, Carlo Riccardo Rossi, Lorenzo Borgognoni, Dario Piazzalunga, Nicola Solari, Mauro Schiavon, Paola Brandani, Luca Ansaloni, Erica Ponte, Francesco Silan, Antonio Sommariva, Francesco Bellucci, Giuseppe Macripò, Pietro Quaglino
OBJECTIVES: This study was aimed at investigating the prognostic role of multiple lymph node basin drainage (MLBD) in patients with positive sentinel lymph node (SLN) biopsy. BACKGROUND: MLBD is frequently observed in patients with trunk melanoma undergoing SLN. The prognostic value of MLBD in SLN-positive patients is still debated. METHODS: Retrospective data from 312 trunk melanoma patients with positive SLN biopsy (1991-2012) at 6 Italian referral centres were gathered in a multicentre database...
July 25, 2017: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/28738256/p53-and-mitf-bcl-2-identified-as-key-pathways-in-the-acquired-resistance-of-nras-mutant-melanoma-to-mek-inhibition
#20
Ahmad Najem, Mohammad Krayem, François Salès, Nader Hussein, Bassam Badran, Caroline Robert, Ahmad Awada, Fabrice Journe, Ghanem E Ghanem
Activating mutations in Neuroblastoma RAS viral oncogene homolog (NRAS) are found in 15-30% of melanomas and are associated with a poor prognosis. Although MAP kinase kinase (MEK) inhibitors used as single agents showed a limited clinical benefit in patients with NRAS-mutant melanoma due to their rather cytostatic effect and high toxicity, their combination with other inhibitors of pathways known to cooperate with MEK inhibition may maximise their antitumour activity. Similarly, in a context where p53 is largely inactivated in melanoma, hyperexpression of Microphthalmia associated transcription factor (MITF) and its downstream anti-apoptotic targets may be the cause of the restraint cytotoxic effects of MEK inhibitors...
July 21, 2017: European Journal of Cancer
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