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https://www.readbyqxmd.com/read/29790012/evaluation-of-a-nanocomposite-of-peg-curcumin-gold-nanoparticles-as-a-near-infrared-photothermal-agent-an-in-vitro-and-animal-model-investigation
#1
F Rahimi-Moghaddam, N Azarpira, N Sattarahmady
Hyperthermia is a promising alternative modality for the conventional cancer treatments. Nanoparticle-mediated photothermal therapy (PTT) has been widely applied for hyperthermia cancer therapy by a near-infrared light irradiation. Some special nanoparticles can convert light energy into heat and destroy the tumor cells. Inspired from the photothermal efficacy of the gold nanoparticles, here we synthesized, characterized, and applied novel photothermal polyethylene glycol-curcumin-gold nanoparticles (PEG-Cur-Au NPs) in cancer PTT...
May 22, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29789761/visual-outcome-after-posterior-uveal-melanoma-episcleral-brachytherapy-including-radiobiological-doses
#2
David Miguel, Jesús María de Frutos-Baraja, Francisco López-Lara, María Antonia Saornil, Ciro García-Alvarez, Pilar Alonso, Patricia Diezhandino
Purpose: To assess the long-term influence of radiobiological doses in the evolution of visual acuity (VA) in patients with uveal melanoma treated by episcleral brachytherapy. Material and methods: Visual acuity was evaluated prospectively from a case series of 243 patients in 2016 treated with 125 I. Data analysis was applied to trend VA outcome and find the accurate best-fit line. Biologically effective dose (BED) was included in survival analysis with the use of Kaplan-Meier and Cox regressions...
April 2018: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/29789324/smoking-and-cutaneous-melanoma-findings-from-the-qskin-sun-and-health-cohort-study
#3
Jean Claude Dusingize, Catherine M Olsen, Nirmala Pandeya, Bridie S Thompson, Penelope M Webb, Adèle C Green, Rachel E Neale, David C Whiteman
BACKGROUND: Previous studies suggest that smokers have lower risks of cutaneous melanoma than non-smokers, but data from population-based prospective studies are scarce. We investigated associations between smoking and melanoma in a cohort study purpose-designed to investigate skin cancer outcomes. METHODS: Participants with no prior history of melanoma (n=38,697) completed a risk factor survey at baseline (2011). Patients were followed through linkage to the cancer registry...
May 22, 2018: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29785370/primary-amelanotic-malignant-melanoma-of-the-male-urethra-with-inguinal-lymph-node-metastasis-successfully-controlled-by-nivolumab-a-case-report
#4
Takashi Tokita, Takashi Kawahara, Yusuke Ito, Sohgo Tsutsumi, Koichi Abe, Kazuhiro Namura, Futoshi Sano, Koichi Shioi, Daiji Takamoto, Yasushi Yumura, Noboru Nakaigawa, Masahiro Yao, Hiroji Uemura, Hidefumi Wada, Yukio Tsuura, Kazuki Kobayashi
We report a rare case of primary amelanotic malignant melanoma of the male urethra. A 65-year-old man with a urethral mass was referred to our hospital. A pathological diagnosis of a biopsy specimen revealed malignant melanoma. Thereafter, the patient underwent partial penectomy. The histopathological diagnosis was amelanotic malignant melanoma of the urethra. The patient had received DAV-Feron in an adjuvant setting; however, PET-CT revealed multiple metastasis. After receiving more than 10 cycles of nivolumab, the accumulation of FDG was no longer observed on PET-CT...
May 2018: Urology Case Reports
https://www.readbyqxmd.com/read/29783803/-application-of-sentinel-lymph-node-biopsy-in-patients-with-melanoma
#5
M Ren, Y Y Kong, X Cai, X X Shen, J J Lyu
Objective: To investigate the difference between routine hematoxylin-eosin (HE) staining and immunohistochemistry in diagnosing metastatic melanoma in sentinel lymph node (SLN) metastases, and to evaluate the association of SLN tumor burden with the status of non-sentinel lymph nodes (NSLN). Methods: 126 melanoma patients were treated with SLN biopsy and further examined with immunohistochemistry at Fudan University Shanghai Cancer Center between 2010 and 2016, and the status of SLN was respectively estimated by HE stain and immunohistochemistry (S-100 protein, HMB45, Melan A and SOX10)...
May 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29783631/melatonin-analogue-antiproliferative-and-cytotoxic-effects-on-human-prostate-cancer-cells
#6
Angela Calastretti, Giuliana Gatti, Valeria Lucini, Silvana Dugnani, Gianfranco Canti, Francesco Scaglione, Annamaria Bevilacqua
Melatonin has been indicated as a possible oncostatic agent in different types of cancer, its antiproliferative role being demonstrated in several in vitro and in vivo experimental models of tumors. Specifically, melatonin was proven to inhibit cell growth of both androgen-dependent and independent prostate cancer cells, through various mechanisms. A number of melatonin derivatives have been developed and tested for their role in the prevention and treatment of neoplastic diseases. We recently proved the in vitro and in vivo anticancer activity of UCM 1037, a newly-synthetized melatonin analogue, on melanoma and breast cancer cells...
May 18, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29782293/mycosis-fungoides-and-vitamin-d-status-analyses-of-serum-25-hydroxyvitamin-d-levels-and-single-nucleotide-polymorphisms-in-the-vitamin-d-receptor-gene
#7
Pinar Incel Uysal, Nuran Alli, Yildiz Hayran, Tuba Candar
Various types of cancer, including melanoma and non-melanoma skin cancer, are associated with vitamin D receptor (VDR) polymorphisms. However, few studies have addressed VDR polymorphisms in patients with mycosis fungoides (MF), and previous studies have reported conflicting results. Aim of this case-control study was to assess the correlation between VDR single nucleotide polymorphisms (SNPs) Cdx2, Fok1, Apa1, Bsm1, and Taq1 and MF. Venous blood samples were collected from 41 patients with MF and 59 age- and sex-matched healthy controls...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29777421/lymph-node-metastasis-in-melanoma-a-debate-on-the-significance-of-nodal-metastases-conditional-survival-analysis-and-clinical-trials
#8
Mark B Faries, Dale Han, Michael Reintgen, Lauren Kerivan, Douglas Reintgen, Corrado Caracò
While there is no doubt that regional lymph node metastases are an enormously important factor in melanoma staging and treatment, the biology behind this significance and its precise implications for treatment planning have been a leading controversy in melanoma and other solid tumors for over a century. Recent clinical data, including data from prospective randomized clinical trials have refined our understanding of the process of nodal metastases and the advantages and disadvantages of different clinical management strategies...
May 18, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29776373/metabolic-therapy-with-peg-arginase-induces-a-sustained-complete-remission-in-immunotherapy-resistant-melanoma
#9
Carmela De Santo, Paul Cheng, Andrew Beggs, Sharon Egan, Alberto Bessudo, Francis Mussai
BACKGROUND: Metastatic melanoma is an aggressive skin cancer with a poor prognosis. Current treatment strategies for high-stage melanoma are based around the use of immunotherapy with immune checkpoint inhibitors such as anti-PDL1 or anti-CTLA4 antibodies to stimulate anti-cancer T cell responses, yet a number of patients will relapse and die of disease. Here, we report the first sustained complete remission in a patient with metastatic melanoma who failed two immunotherapy strategies, by targeting tumour arginine metabolism...
May 18, 2018: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/29774366/cdkn2a-cdk4-status-in-greek-patients-with-familial-melanoma-and-association-with-clinico-epidemiological-parameters
#10
Fani Karagianni, Ching-Ni Njauw, Katerina P Kypreou, Aravela Stergiopoulou, Michaela Plaka, Dorothea Polydorou, Vasiliki Chasapi, Leon Pappas, Ioannis Stratigos, Gregory Champsas, Peter Panagiotou, Helen Gogas, Evangelos Evangelou, Hensin Tsao, Alexander Stratigos, Irene Stefanaki
Approximately 5-10% of melanoma cases occur in a familial context. CDKN2A/CDK4 were the first high-penetrance melanoma genes identified. The aims of this study were to evaluate CDKN2A/CDK4 variants in Greek familial melanoma patients and to correlate the mutational status with specific clinico-epidemiological characteristics. A cross-sectional study was conducted by genotyping CDKN2A/CDK4 variants and selected MC1R polymorphisms in 52 melanoma-prone families. Descriptive statistics were calculated and comparisons were made using the χ2 test, Fisher's exact test and Student's t-test for statistical analysis, as appropriate...
May 18, 2018: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/29773080/adjuvant-ny-eso-1-vaccine-immunotherapy-in-high-risk-resected-melanoma-a-retrospective-cohort-analysis
#11
Michael Lattanzi, Joseph Han, Una Moran, Kierstin Utter, Jeremy Tchack, Rachel Lubong Sabado, Russell Berman, Richard Shapiro, Hsin-Hui Huang, Iman Osman, Nina Bhardwaj, Anna C Pavlick
BACKGROUND: Cancer-testis antigen NY-ESO-1 is a highly immunogenic melanoma antigen which has been incorporated into adjuvant vaccine clinical trials. Three such early-phase trials were conducted at our center among patients with high-risk resected melanoma. We herein report on the pooled long-term survival outcomes of these patients in comparison to historical controls. METHODS: All melanoma patients treated at NYU Langone Health under any of three prospective adjuvant NY-ESO-1 vaccine trials were retrospectively pooled into a single cohort...
May 18, 2018: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/29773006/antimelanogenesis-and-anti-inflammatory-activity-of-selected-culinary-medicinal-mushrooms
#12
Hazwani Mat Saad, Kae Shin Sim, Yee Shin Tan
Five culinary-medicinal mushrooms are commonly available in the Malaysian market: Agaricus bisporus (white and brown), Ganoderma lucidum, Hypsizygus marmoreus, Pleurotus floridanus, and P. pulmonarius. These species were selected for use in the current study, the aim of which was to investigate the antimelanogenesis and anti-inflammatory activity of these mushrooms in an attempt to evaluate their potential use in cosmeceuticals. Mushroom fruiting bodies were extracted with hot water, and the extracts were freeze-dried before testing...
2018: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/29771951/antitumor-antioxidant-and-anti-inflammatory-activities-of-kaempferol-and-its-corresponding-glycosides-and-the-enzymatic-preparation-of-kaempferol
#13
Jingqiu Wang, Xianying Fang, Lin Ge, Fuliang Cao, Linguo Zhao, Zhenzhong Wang, Wei Xiao
Kaempferol (kae) and its glycosides are widely distributed in nature and show multiple bioactivities, yet few reports have compared them. In this paper, we report the antitumor, antioxidant and anti-inflammatory activity differences of kae, kae-7-O-glucoside (kae-7-O-glu), kae-3-O-rhamnoside (kae-3-O-rha) and kae-3-O-rutinoside (kae-3-O-rut). Kae showed the highest antiproliferation effect on the human hepatoma cell line HepG2, mouse colon cancer cell line CT26 and mouse melanoma cell line B16F1. Kae also significantly inhibited AKT phosphorylation and cleaved caspase-9, caspase-7, caspase-3 and PARP in HepG2 cells...
2018: PloS One
https://www.readbyqxmd.com/read/29771690/heavily-pigmented-epithelioid-melanoma-with-loss-of-protein-kinase-a-regulatory-subunit-%C3%AE-expression
#14
Jarish N Cohen, Jessica A Spies, Fawn Ross, Angela Bohlke, Timothy H McCalmont
Heavily pigmented melanocytic neoplasms are genotypically and phenotypically diverse. Recently, a subset of this histopathologic spectrum was shown to harbor recurrent genetic alterations in the gene-encoding protein kinase A regulatory subunit-α (PRKAR1A). To date, no histopathologic descriptions of melanomas arising from this pathway have been described. We present a case of a darkly pigmented papule arising on the posterior neck of a 28-year-old man. Microscopically, the heavily pigmented compound melanocytic proliferation was centered in the dermis with permeation into the superficial subcutis...
May 16, 2018: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/29769598/germline-mutation-in-the-tp53-gene-in-uveal-melanoma
#15
Nikola Hajkova, Jan Hojny, Kristyna Nemejcova, Pavel Dundr, Jan Ulrych, Katerina Jirsova, Johana Glezgova, Ivana Ticha
We performed comprehensive molecular analysis of five cases of metastasizing uveal malignant melanoma (UM) (fresh-frozen samples) with an NGS panel of 73 genes. A likely pathogenic germline TP53 mutation c.760A > G (p.I254V) was found in two tumor samples and matched nontumor tissue. In three cases, pathogenic BAP1 mutation was detected together with germline missense variants of uncertain significance in ATM. All cases carried recurrent activating GNAQ or GNA11 mutation. Moreover, we analyzed samples from another 16 patients with primary UM by direct Sanger sequencing focusing only on TP53 coding region...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29768284/predictive-value-of-excision-repair-cross-complementing-group-2-gene-lys751gln-and-asp312asn-polymorphisms-in-melanoma-risk
#16
Xue Zhou, Yong Zeng, Huayong Jiang, Limei Xia, Chuan Liu
Epidemiological studies have assessed the association between excision repair cross-complementing group 2 (ERCC2) Lys751Gln and Asp312Asn polymorphisms and melanoma risk with conflicting results. Relevant articles were searched from PubMed, Embase, and Web of Science with a time limit of 3 September 2016. Pooled odds ratio (OR) with 95% confidence interval (CI) was used to assess the strength of the association. We performed this meta-analysis with 12 studies including 6157 cases and 8873 controls for Lys751Gln and nine studies including 5037 cases and 7542 controls for Asp312Asn polymorphism...
May 15, 2018: Melanoma Research
https://www.readbyqxmd.com/read/29765951/advanced-midzonal-iris-pigment-epithelial-cyst-managed-by-aspiration-deflation
#17
Jerry A Shields, Samuel J Fallon, Charlotte Nelle Shields, Sara E Lally, Carol L Shields
Background: There are several cysts that can occur in the iris. The midzonal (retroiridic) iris pigment epithelial (IPE) cyst is important because it can simulate melanoma of the ciliary body. However, it is frequently asymptomatic and requires no treatment. Methods: A 37-year-old asymptomatic woman with visual acuity of 20/20 in each eye was found to have an elevated mass behind the left iris, presumed to be melanoma, and was referred for management. On our examination, there was a typical midzonal IPE cyst in the left eye (OS), requiring observation without intervention...
April 2018: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29765944/uveal-melanoma-5-year-update-on-incidence-treatment-and-survival-seer-1973-2013
#18
Mary E Aronow, Allan K Topham, Arun D Singh
Purpose: To analyze trends in incidence, treatment, and survival of uveal melanoma in the United States from 1973 to 2013 using the Surveillance, Epidemiology, and End Results database. Materials and Methods: Patients were identified using International Classification of Disease for Oncology codes: C69.3 (choroid), C69.4 (ciliary body and iris), and C69.2 (retina). Trends in age-adjusted incidence, treatment (surgery or radiation), and 5-year relative survival were calculated...
April 2018: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29764854/preclinical-antitumor-activity-of-a-novel-anti-c-kit-antibody-drug-conjugate-against-mutant-and-wild-type-c-kit-positive-solid-tumors
#19
Tinya J Abrams, Anu Connor, Christie P Fanton, Steven B Cohen, Thomas Huber, Kathy Miller, E Erica Hong, Xiaohong Niu, Janine Kline, Marjorie Ison-Dugenny, Sarah Harris, Dana B Walker, Klaus R Krauser, Francesco Galimi, Zhen Wang, Majid Ghoddusi, Keith G Mansfield, Si Tuen Lee-Hoeflich, Jocelyn Holash, Nancy Pryer, William Kluwe, Seth A Ettenberg, William R Sellers, Emma Lees, Paul Kwon, Judith A Abraham, Siew Schleyer
PURPOSE: c-KIT overexpression is well-recognized in cancers such as GIST, SCLC, melanoma, NSCLC and AML. Treatment with the small molecule inhibitors imatinib, sunitinib and regorafenib result in resistance (c-KIT mutant tumors) or limited activity (c-KIT wildtype tumors). We selected an anti-c-KIT ADC approach to evaluate the anti-cancer activity in multiple disease models. EXPERIMENTAL DESIGN: A humanized anti-c-KIT antibody LMJ729 was conjugated to the microtubule destabilizing maytansinoid, DM1, via a non-cleavable linker (SMCC)...
May 15, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29764119/founder-mutations-for-early-onset-melanoma-as-revealed-by-whole-exome-sequencing-suggests-that-this-is-not-associated-with-the-increasing-incidence-of-melanoma-in-poland
#20
Tadeusz Dębniak, Rodney J Scott, Rodney A Lea, Bohdan Górski, Bartłomiej Masojć, Cezary Cybulski, Andrzej Kram, Romuald Maleszka, Tomasz Gromowski, Katarzyna Paszkowska-Szczur, Aniruddh Kashyap, Marcin R Lener, Karolina Malińska, Emilia Rogoża, Dawid Murawa, Helena Rudnicka, Jakub Deptuła, Jan Lubiński
Purpose: Germline mutations within melanoma susceptibility genes are present only in minority of melanoma patients and it is expected that additional genes will be discovered with next generation sequence technology and whole-exome sequencing. Material and Methods: Herein we performed whole-exome sequencing (WES) on a cohort of 96 unrelated Polish patients with melanoma diagnosed under the age of 40 years who all screened negative for the presence of CDKN2A-variants...
May 14, 2018: Cancer Research and Treatment: Official Journal of Korean Cancer Association
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