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https://www.readbyqxmd.com/read/28343376/ruthenium-106-brachytherapy-with-or-without-additional-local-therapy-showed-favorable-outcome-for-variable-sized-choroidal-melanomas-in-korean-patients
#1
Yeona Cho, Jee Suk Chang, Jin Sook Yoon, Sung Chul Lee, Yong Bae Kim, Joo Ho Kim, Ki Chang Keum
Purpose: To report clinical outcomes of ruthenium-106 (Ru-106) brachytherapy with or without additional local therapy for choroidal melanomas in Korean patients. Materials and Methods: A total of 88 patients diagnosed with choroidal melanomas were treated with Ru-106 brachytherapy between 2006 and 2012. Patients were divided into two groups according to their tumor height: a large group (≥6 mm, n=50) and a small group (<6 mm, n=38). Most patients in the large group received combined therapy with local excision and/or transpupillary thermotherapy...
March 24, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28343227/what-is-the-key-to-improving-renal-transplant-recipients-awareness-of-skin-cancer-risk
#2
Alessandro Borghi, Monica Corazza, Yuri Battaglia, Elisa Maietti, Sara Minghetti, Annarosa Virgili
BACKGROUND: Previous studies have shown poor compliance rates regarding sun protection among organ transplant recipients. OBJECTIVE: The main objective of the present study was to assess the awareness among renal transplant recipients (RTRs) of their risk of non-melanoma skin cancer (NMSC) development and their sunscreen use. The influence of several potentially relevant variables was also assessed in order to identify possible weak points on which to concentrate efforts in this respect...
March 25, 2017: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/28343197/-skin-cancers-in-kidney-transplant-recipients
#3
Anna Bieryło, Szymon Brzósko, Elżbieta Laudańska, Beata Naumnik
Kidney transplantation is the best treatment for end-stage renal failure. It prolongs the patient's life, improves quality of life and reduces costs associated with renal replacement therapy. Increasingly, newer immunosuppressive regimens allow for the proper functioning of the transplanted organ for many years. The progress in transplantation, qualification patients in older age for the procedure and longer survival of kidney graft lead to an increase in the number of patients receiving immunosuppressive drugs...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28343150/combined-intramedullary-and-intradural-extramedullary-spinal-metastases-in-malignant-melanoma
#4
Michael Kevin O'Reilly, Gavin Sugrue, Danielle Byrne, Peter MacMahon
No abstract text is available yet for this article.
March 25, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28342645/the-expression-and-activation-of-the-aim2-inflammasome-correlates-with-inflammation-and-disease-severity-in-patients-with-acute-pancreatitis
#5
Francisco Algaba-Chueca, Enrique de-Madaria, Beatriz Lozano-Ruiz, Claudia Martínez-Cardona, Noé Quesada-Vázquez, Victoria Bachiller, Fabián Tarín, José Such, Rubén Francés, Pedro Zapater, José M González-Navajas
BACKGROUND: Acute pancreatitis is an inflammatory disorder of the pancreas that is responsible for significant morbidity and mortality. The inflammasome pathway has acquired significant relevance in the pathogenesis of many inflammatory disorders, but its role in patients with acute pancreatitis still awaits clarification. METHODS: We performed a prospective study in which 27 patients with acute pancreatitis and 16 healthy controls were included. We isolated peripheral blood mononuclear cells (PBMCs) and we assessed the expression and activation of different inflammasomes as well as their association with the clinical course of the disease...
March 18, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28342451/tert-promoter-mutations-in-telomere-biology
#6
REVIEW
Barbara Heidenreich, Rajiv Kumar
Telomere repeats at chromosomal ends, critical to genome integrity, are maintained through an elaborate network of proteins and pathways. Shelterin complex proteins shield telomeres from induction of DNA damage response to overcome end protection problem. A specialized ribonucleic protein, telomerase, maintains telomere homeostasis through repeat addition to counter intrinsic shortcomings of DNA replication that leads to gradual sequence shortening in successive mitoses. The biogenesis and recruitment of telomerase composed of telomerase reverse transcriptase (TERT) subunit and an RNA component, takes place through the intricate machinery that involves an elaborate number of molecules...
January 2017: Mutation Research
https://www.readbyqxmd.com/read/28340496/recent-developments-in-nanomedicine-for-melanoma-treatment
#7
REVIEW
Jian-Qin Tang, Xiao-Yang Hou, Chun-Sheng Yang, Ya-Xi Li, Yong Xin, Wen-Wen Guo, Zhi-Ping Wei, Yan-Qun Liu, Guan Jiang
Melanoma is a most aggressive skin cancer with limited therapeutic options and its incidence is increasing rapidly in recent years. The discovery and application of new targeted therapy agents have shown significant benefits. However, adverse side-effects and resistance to chemotherapy remain formidable challenges in the clinical treatment of malignant melanoma. Nanotherapeutics offers an important prospect of overcoming these drawbacks. The anti-tumoral applications of nanomedicine are varied, including those in chemotherapy, RNA interference, photothermal therapy, and photodynamic therapy...
March 24, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28340171/immunohistochemical-approach-to-the-differential-diagnosis-of-meningiomas-and-their-mimics
#8
Camille Boulagnon-Rombi, Clémence Fleury, Caroline Fichel, Sophie Lefour, Aude Marchal Bressenot, Guillaume Gauchotte
The differential diagnosis between meningioma and others tumors can be challenging. This study aimed to evaluate different immunohistochemical markers for the differential diagnosis between meningioma and their morphological mimics. Immunohistochemistry was performed on tissue microarray with antiepithelial membrane antigen (EMA), progesterone receptor, somatostatin receptor 2A (SSTR2A), CD34, STAT6, S100, SOX10, HMB45, MelanA, GFAP, inhibin, and BCL2 antibodies. One hundred and twenty-seven meningiomas, 26 solitary fibrous tumor/hemangiopericytomas (SFT/HPC), 39 schwannomas, 17 hemangioblastomas, 21 melanomas, 9 gliosarcomas, 5 neurofibromas, 9 peripheral primitive neuroectodermal tumors, 7 synovial sarcomas, and 5 malignant peripheral nerve sheath tumors were included in the microarray...
March 14, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28339879/high-frequency-of-mutations-in-genes-encoding-factor-viii-von-willebrand-factor-and-adamts13-in-skin-cutaneous-melanoma
#9
Zheng Ping, Huy P Pham, Lance A Williams, X Long Zhen
No abstract text is available yet for this article.
March 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28339028/2-methoxyestradiol-enhances-radiosensitivity-in-radioresistant-melanoma-mda-mb-435r-cells-by-regulating-glycolysis-via-hif-1%C3%AE-pdk1-axis
#10
Hong Zhao, Huangang Jiang, Zheng Li, Yafei Zhuang, Yinyin Liu, Shuliang Zhou, Youde Xiao, Conghua Xie, Fuxiang Zhou, Yunfeng Zhou
HIF-1α overexpression is associated with radio-resistance of various cancers. A radioresistant human melanoma cell model MDA-MB-435R (435R) was established by us previously. Compared with the parental cells MDA-MB‑435 (435S), an elevated level of HIF-1α expression in 435R cells was demonstrated in our recent experiments. Therefore, in the current study, we sought to determine whether selective HIF-1α inhibitors could radiosensitize the 435R cells to X-ray, and to identify the potential mechanisms. Our data demonstrated that inhibition of HIF-1α with 2-methoxyestradiol (2-MeOE2) significantly enhanced radiosensitivity of 435R cells...
March 22, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28338933/seasonality-of-birth-for-skin-melanoma-deserves-further-investigation
#11
F Stracci, A Liso, E Duca, F La Rosa, F Bianconi
No abstract text is available yet for this article.
March 14, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/28338928/reply-to-seasonality-of-birth-for-skin-melanoma-deserves-further-investigation
#12
Olaf Gefeller, Cornelia Fiessler, Martin Radespiel-Tröger, Annette B Pfahlberg, Wolfgang Uter
No abstract text is available yet for this article.
March 14, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/28338667/primary-photodynamic-therapy-with-verteporfin-for-small-pigmented-posterior-pole-choroidal-melanoma
#13
I D Fabian, A W Stacey, V Papastefanou, L Al Harby, A K Arora, M S Sagoo, V M L Cohen
PurposeThe purpose of the study was to investigate the outcomes of primary photodynamic therapy (PDT) for small pigmented posterior pole choroidal melanoma.Patients and methodsProspective interventional consecutive case series of 15 patients with small pigmented posterior pole choroidal melanoma, who were treated with three sessions of PDT and followed-up thereafter. Risk factors for failure were assessed and outcome measures at presentation were compared to those at last follow-up visit.ResultsTumor control was achieved in 12 (80%) patients in a median follow-up time of 15 months (mean 14, range 8-18)...
March 24, 2017: Eye
https://www.readbyqxmd.com/read/28338441/radiosurgery-in-the-management-of-brain-metastasis-a-retrospective-single-center-study-comparing-gamma-knife-and-linac-treatment
#14
Constantin Tuleasca, Laura Negretti, Mohamed Faouzi, Vera Magaddino, Thierry Gevaert, Erik von Elm, Marc Levivier
OBJECTIVE The authors present a retrospective analysis of a single-center experience with treatment of brain metastases using Gamma Knife (GK) and linear accelerator (LINAC)-based radiosurgery and compare the results. METHODS From July 2010 to July 2012, 63 patients with brain metastases were treated with radiosurgery. Among them, 28 (with 83 lesions) were treated with a GK unit and 35 (with 47 lesions) with a LINAC. The primary outcome was local progression-free survival (LPFS), evaluated on a per-lesion basis...
March 24, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28337955/examining-the-in-vitro-efficacy-of-the-iap-antagonist-birinapant-as-a-single-agent-or-in-combination-with-dacarbazine-to-induce-melanoma-cell-death
#15
Vesna Vetma, Jan Rožanc, Emilie M Charles, Christian T Hellwig, Leonidas G Alexopoulos, Markus Rehm
Antagonists of inhibitor of apoptosis proteins (IAPs), alone or in combination with genotoxic therapeutics, have been shown to efficiently induce cell death in various solid tumours. The IAP antagonist birinapant is currently being tested in phase II clinical trials. We herein aimed to investigate the in vitro anti-tumour efficacy of dacarbazine, both as a single agent and in combination with birinapant, in melanoma cell lines. Covering clinically relevant drug concentration ranges, we conducted a total of 5400 measurements in a panel of 12 human melanoma cell lines representing different stages of disease progression...
March 23, 2017: Oncology Research
https://www.readbyqxmd.com/read/28337322/platinum-ii-ring-fused-chlorins-as-near-infrared-emitting-oxygen-sensors-and-photodynamic-agents
#16
Nelson A M Pereira, Mafalda Laranjo, João Casalta-Lopes, Arménio C Serra, Marta Piñeiro, João Pina, J Sérgio Seixas de Melo, Mathias O Senge, M Filomena Botelho, Liliana Martelo, Hugh D Burrows, Teresa M V D Pinho E Melo
Novel near-infrared luminescent compounds based on platinum(II) 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-fused chlorins are described. These compounds have high photostability and display light emission, in particular simultaneous fluorescence and phosphorescence emission in solution at room temperature, in the biologically relevant 700-850 nm red and near-infrared (NIR) spectral region, making them excellent materials for biological imaging. The simultaneous presence of fluorescence and phosphorescence emission at room temperature, with the phosphorescence strongly quenched by oxygen whereas fluorescence remains unaffected, allows these compounds to be used as ratiometric oxygen sensors in chemical and biological media...
March 9, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28337140/antioxidant-and-anti-tyrosinase-activities-of-phenolic-extracts-from-rape-bee-pollen-and-inhibitory-melanogenesis-by-camp-mitf-tyr-pathway-in-b16-mouse-melanoma-cells
#17
Liping Sun, Yan Guo, Yanxin Zhang, Yongliang Zhuang
Rape bee pollen possesses many nutritional and therapeutic properties because of its abundant nutrimental and bioactive components. In this study, free (FPE) and bound (BPE) phenolic extracts of rape bee pollen were obtained, phenolic and flavonoid contents were determined, and composition of phenolic acids was analyzed. In vitro antioxidant and anti-tyrosinase (TYR) activities of FPE and BPE were compared, and inhibitory melanogenesis of FPE was further evaluated. Results showed FPE and BPE contain total phenolic contents of 11...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28336930/tp53-arg72pro-mortality-after-cancer-and-all-cause-mortality-in-105-200-individuals
#18
Jakob B Kodal, Signe Vedel-Krogh, Camilla J Kobylecki, Børge G Nordestgaard, Stig E Bojesen
Rs1042522 (Arg72Pro) is a functional polymorphism of TP53. Pro72 has been associated with lower all-cause mortality and lower mortality after cancer. We hypothesized that TP53 Pro72 is associated with lower mortality after cancer, lower all-cause mortality, and with increased cancer incidence in the general population in a contemporary cohort. We genotyped 105,200 individuals aged 20-100 years from the Copenhagen General Population Study, recruited in 2003-2013, and followed them in Danish health registries...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28336551/gut-microbes-may-up-pd-1-inhibitor-response
#19
(no author information available yet)
Confirming the results of animal studies, new research shows that the composition of patients' microbiome influences their response to checkpoint inhibitors. Patients with melanoma who benefit from PD-1 inhibitors carry a greater variety of species and higher numbers of microbes in the Clostridiales group. Increased abundance of certain bacteria in this group also correlated with higher numbers of CD8+ T cells in patients' tumors.
March 23, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28336503/tweet-for-behavior-change-using-social-media-for-the-dissemination-of-public-health-messages
#20
Aisling Gough, Ruth F Hunter, Oluwaseun Ajao, Anna Jurek, Gary McKeown, Jun Hong, Eimear Barrett, Marbeth Ferguson, Gerry McElwee, Miriam McCarthy, Frank Kee
BACKGROUND: Social media public health campaigns have the advantage of tailored messaging at low cost and large reach, but little is known about what would determine their feasibility as tools for inducing attitude and behavior change. OBJECTIVE: The aim of this study was to test the feasibility of designing, implementing, and evaluating a social media-enabled intervention for skin cancer prevention. METHODS: A quasi-experimental feasibility study used social media (Twitter) to disseminate different message "frames" related to care in the sun and cancer prevention...
March 23, 2017: JMIR Public Health and Surveillance
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