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https://read.qxmd.com/read/33073451/expression-of-imp3-in-a-retrospective-cohort-of-melanomas-with-selective-lymph-node-biopsy
#1
Esperanza Ramirez-Moreno, Mario Lozano-Lozano, Francisco O'Valle Ravassa, César Ramirez-Tortosa, Ricardo Ruiz-Villaverde
Insulin-like growth factor-II mRNA-binding protein 3 (IMP-3), which is a member of the insulin-like growth factor mRNA-binding protein family, is expressed at high levels in many types of cancer, where it plays an important role in cell proliferation, as well as in the processes of invasion, migration and metastasis. Its expression has also been demonstrated in malignant melanoma, but not in other benign skin lesions, which has raised the possibility of using it as a predictive and prognosis marker. Its relationship with sentinel lymph node biopsy, however, has not been explored yet...
October 19, 2020: Dermatologic Therapy
https://read.qxmd.com/read/33073347/early-melanoma-detection-in-primary-care-clinical-recognition-of-melanoma-is-not-enough-one-must-also-learn-the-basics
#2
Evelyne Harkemanne, Noémie Goublomme, Kiswendsida Sawadogo, Isabelle Tromme
To improve early melanoma detection, educational programs have been developed for general practitioners (GPs). This study aimed to determine whether the adjunct of teaching basic knowledge of pigmented skin lesions (PSL) to the training in melanoma diagnosis improves the GPs' diagnostic accuracy of melanoma. An interventional prospective study was conducted over a 3-month period where GPs attended a 2-h training course. The 1st session taught clinical melanoma recognition and the 2nd session instructed basic knowledge of PSL...
October 19, 2020: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://read.qxmd.com/read/33073191/development-of-ligand-drug-conjugates-targeting-melanoma-through-the-overexpressed-melanocortin-1-receptor
#3
Yang Zhou, Saghar Mowlazadeh Haghighi, Zekun Liu, Lingzhi Wang, Victor J Hruby, Minying Cai
Melanoma is a lethal form of skin cancer. Despite recent breakthroughs of BRAF-V600E and PD-1 inhibitors showing remarkable clinical responses, melanoma can eventually survive these targeted therapies and become resistant. To solve the drug resistance issue, we designed and synthesized ligand-drug conjugates that couple cytotoxic drugs, which have a low cancer resistance issue, with the melanocortin 1 receptor (MC1R) agonist melanotan-II (MT-II), which provides specificity to MC1R-overexpressing melanoma. The drug-MT-II conjugates maintain strong binding interactions to MC1R and induce selective drug delivery to A375 melanoma cells through its MT-II moiety in vitro ...
October 9, 2020: ACS Pharmacology & Translational Science
https://read.qxmd.com/read/33072772/fdg-pet-ct-incidental-detection-of-cancer-in-patients-investigated-for-infective-endocarditis
#4
Frédérique Gouriet, Hervé Tissot-Dupont, Jean-Paul Casalta, Sandrine Hubert, Serge Cammilleri, Alberto Riberi, Hubert Lepidi, Gilbert Habib, Didier Raoult
Background: Fluorodeoxyglucose positron emission tomography/computed tomography (PET/CT) is an imaging technique largely used in the management of infective endocarditis and in the detection and staging of cancer. We evaluate our experience of incidental cancer detection by PET/CT during IE investigations and follow-up. Methods and Findings: Between 2009 and 2018, our center, which includes an "endocarditis team," managed 750 patients with IE in a prospective cohort. PET/CT became available in 2011 and was performed in 451 patients...
2020: Frontiers in Medicine
https://read.qxmd.com/read/33072757/subversion-of-ras-small-gtpases-in-cutaneous-melanoma-aggressiveness
#5
REVIEW
Cheila Brito, Duarte C Barral, Marta Pojo
The rising incidence and mortality rate associated with the metastatic ability of cutaneous melanoma represent a major public health concern. Cutaneous melanoma is one of the most invasive human cancers, but the molecular mechanisms are poorly understood. Moreover, currently available therapies are not efficient in avoiding melanoma lethality. In this context, new biomarkers of prognosis, metastasis, and response to therapy are necessary to better predict the disease outcome. Additionally, the knowledge about the molecular alterations and dysregulated pathways involved in melanoma metastasis may provide new therapeutic targets...
2020: Frontiers in Cell and Developmental Biology
https://read.qxmd.com/read/33072607/significance-of-tumor-mutation-burden-in-immune-infiltration-and-prognosis-in-cutaneous-melanoma
#6
Kai Kang, Fucun Xie, Jinzhu Mao, Yi Bai, Xiang Wang
Background: Melanoma is highly immunogenic and therefore suitable for immunotherapy, but the efficacy is limited by response rate. In several types of tumor, tumor mutation burden (TMB) and immune infiltration have been reported to predict the response to immunotherapy, although each has its limitations. In the current study, we aimed to explore the association of TMB with immune infiltration and prognosis in cutaneous melanoma. Methods: The data of cutaneous melanoma used for analyses was downloaded from The Cancer Genome Atlas (TCGA) database...
2020: Frontiers in Oncology
https://read.qxmd.com/read/33072582/platelet-derived-factor-v-is-an-important-determinant-of-the-metastatic-potential-of-circulating-tumor-cells
#7
Xin Deng, Ziqian Feng, Luochen Zhu, Ni Chen, Yifei Deng, Yongjie Li, Rong Li, Liqun Wang, Mao Luo, Jianbo Wu
Factor V (FV) is a critical component in the blood coagulation cascade. In patients, FV inhibitors have been reported to be associated with malignancy. FV is present in plasma and platelets, which exhibit physical and functional differences. However, the functions of FV in cancer progression remain poorly understood. We evaluated the impact of different levels of FV in plasma and platelets on the haematogenous mouse pulmonary metastasis model to determine whether FV determines the metastatic potential of circulating tumor cells...
2020: Frontiers in Oncology
https://read.qxmd.com/read/33072488/evolution-of-care-of-orbital-tumors-with-radiation-therapy
#8
Myrsini Ioakeim-Ioannidou, Shannon M MacDonald
Orbital tumors are rare lesions comprising 0.1% of all tumors and less than 20% of all ocular diseases. These lesions in children and adults differ significantly in their incidence, tumor type, and treatment management. Although surgery and systemic therapies are commonly used in the management of these diseases, radiation therapy has become a widely used treatment for both benign and malignant tumors of the orbit. Radiotherapy is used as a definitive treatment to provide local control while avoiding morbidity associated with surgery for some tumors while it is used as an adjuvant treatment following surgical resection for others...
August 2020: Journal of Neurological Surgery. Part B, Skull Base
https://read.qxmd.com/read/33072458/clinicopathologic-features-of-cutaneous-malignant-melanoma-and-their-impact-on-prognosis
#9
Usman Atique, Sajid Mushtaq, Iftikhar Ali Rana, Usman Hassan
INTRODUCTION: Melanoma ranks 19th among malignancies overall and second among cutaneous types. The incidence worldwide has been on the rise over the last seven decades. Various prognostic factors have been assessed and found to have a profound impact on patient outcome. However, no such studies have been attempted in our population. Our study aimed to have an insight into the behavior of malignant melanoma in our population. MATERIALS AND METHODS: Cases of cutaneous malignant melanoma treated and followed up at our institute were included in this study...
September 14, 2020: Curēus
https://read.qxmd.com/read/33072126/reduction-of-t-lymphoma-cells-and-immunological-invigoration-in-a-patient-concurrently-affected-by-melanoma-and-sezary-syndrome-treated-with-nivolumab
#10
Maria Grazia Narducci, Anna Tosi, Alessandra Frezzolini, Enrico Scala, Francesca Passarelli, Laura Bonmassar, Alessandro Monopoli, Maria Pina Accetturi, Maria Cantonetti, Gian Carlo Antonini Cappellini, Federica De Galitiis, Antonio Rosato, Mario Picozza, Giandomenico Russo, Stefania D'Atri
Despite the recent availability of several new drugs in hemato-oncology, T-cell lymphomas are still incurable and PD-1 blockade could represent a therapeutic chance for selected patients affected by these malignancies, although further studies are required to understand the biological effects of anti-PD-1 mAbs on neoplastic T-cells and to identify biomarkers for predicting and/or monitoring patients' response to therapy. Sezary Syndrome (SS) represents a rare and aggressive variant of cutaneous T cell lymphoma (CTCL) with a life expectancy of less than 5 years, characterized by the co-presence of neoplastic lymphocytes mainly in the blood, lymph nodes and skin...
2020: Frontiers in Immunology
https://read.qxmd.com/read/33072070/clinical-implications-of-aberrant-pd-1-and-ctla4-expression-for-cancer-immunity-and-prognosis-a-pan-cancer-study
#11
Jian-Nan Liu, Xiang-Shuo Kong, Tao Huang, Rui Wang, Wang Li, Qi-Feng Chen
Combination therapy with inhibitors of cytotoxic T lymphocyte-associated protein (CTLA)4 and programmed death (PD)-1 has demonstrated efficacy in cancer patients. However, there is little information on CTLA4 and PD-1 expression levels and their clinical significance across diverse cancers. In this study, we addressed this question by analyzing PD-1 and CTLA4 levels in 33 different types of cancer along with their prognostic significance using The Cancer Genome Atlas (TCGA) and Cancer Cell Line Encyclopedia datasets...
2020: Frontiers in Immunology
https://read.qxmd.com/read/33072000/engineered-bacteriophage-t7-as-a-potent-anticancer-agent-in-vivo
#12
Yoon Jung Hwang, Heejoon Myung
Oncolytic viruses (OVs) induce antitumor effect by both direct lysis of target cells and eliciting immunogenic response to the virus and ultimately to the target cells. These viruses are usually natural human pathogens. Bacteriophages are natural pathogens of bacteria that do not infect human and have greater advantages in safety, manipulation, and production over human viruses. We constructed an engineered bacteriophage T7 displaying a peptide, which targets murine melanoma cells and harbors a mammalian expression cassette of the cytokine granulocyte macrophage-colony stimulating factor (GM-CSF) in viral genomic DNA...
2020: Frontiers in Microbiology
https://read.qxmd.com/read/33071785/mirna-modulation-and-antitumor-activity-by-the-extra-virgin-olive-oil-polyphenol-oleacein-in-human-melanoma-cells
#13
Sara Carpi, Beatrice Polini, Clementina Manera, Maria Digiacomo, Jasmine Esposito Salsano, Marco Macchia, Egeria Scoditti, Paola Nieri
Extra-virgin olive oil (EVOO) polyphenols contribute to Mediterranean diet health-promoting properties. One of the most abundant secoiridoid present in EVOO, Oleacein (OA), demonstrated anticancer activity against several tumors. Nevertheless, its role against melanoma has not still investigated. This study aimed at determining in vitro the antimelanoma activity of OA and the relative mechanism of action. OA induced cell growth inhibition in 501Mel melanoma cells with an IC50 in the low micromolar range of concentrations...
2020: Frontiers in Pharmacology
https://read.qxmd.com/read/33071779/effects-of-selected-nigerian-medicinal-plants-on-the-viability-mobility-and-multidrug-resistant-mechanisms-in-liver-colon-and-skin-cancer-cell-lines
#14
Aljawharah AlQathama, Udoamaka F Ezuruike, Andre L D A Mazzari, Ahmed Yonbawi, Elisabetta Chieli, Jose M Prieto
Medicinal plants indicated for chronic diseases usually have good safety margins as they are intended for lifelong treatments. We hypothesized that they may provide patients with baseline protection to cancers and multidrug resistance-reversing phytochemicals resulting in successful prevention and/or adjuvant treatment of chemotherapy-resistant cancers. We selected 27 popular herbal infusions widely used in Nigeria for diabetes and studied their effects on a panel of liver (HepG2), colon (Caco2), and skin (B16-F10) cancer cells...
2020: Frontiers in Pharmacology
https://read.qxmd.com/read/33071710/poly-cyclodextrin-polydrug-nanocomplexes-as-synthetic-oncolytic-virus-for-locoregional-melanoma-chemoimmunotherapy
#15
Jihoon Kim, Lauren F Sestito, Sooseok Im, Won Jong Kim, Susan N Thomas
Despite the approval of oncolytic virus therapy for advanced melanoma, its intrinsic limitations that include the risk of persistent viral infection and cost-intensive manufacturing motivate the development of analogous approaches that are free from the disadvantages of virus-based therapies. Herein, we report a nanoassembly comprised of multivalent host-guest interactions between polymerized paclitaxel (pPTX) and nitric oxide incorporated polymerized β-cyclodextrin (pCD-pSNO) that through its bioactive components and when used locoregionally recapitulates the therapeutic effects of oncolytic virus...
April 20, 2020: Advanced Functional Materials
https://read.qxmd.com/read/33070304/new-australian-melanoma-management-guidelines-the-patient-perspective
#16
Alison E Button-Sloan, John F Thompson
No abstract text is available yet for this article.
October 18, 2020: Medical Journal of Australia
https://read.qxmd.com/read/33069926/prognostic-value-and-immunological-role-of-pdcd1-gene-in-pan-cancer
#17
Yandong Miao, Jiangtao Wang, Qiutian Li, Wuxia Quan, Yingying Wang, Chen Li, Jingjing Wu, Denghai Mi
OBJECTIVE: Identify the prognostic value and investigate the association between programmed cell death 1 (PDCD1) gene expression and immune infiltration in pan-cancer. METHODS: We used a series of bioinformatics methods to comprehensively analyze the relationship between PDCD1 gene and prognosis, tumor mutational burden (TMB), microsatellite instability (MSI), immune cell infiltration of various cancers from the existing public database, and try to find the potential prognostic value of PDCD1 for in pan-cancer...
October 15, 2020: International Immunopharmacology
https://read.qxmd.com/read/33069708/vegetable-oil-basedhybrid-submicron-particles-loaded-with-jmv5038-a-promising-formulation-against-melanoma
#18
Koceïla Doufène, Yohan Malki, Laure-Anaïs Vincent, Pierre Cuq, Jean-Marie Devoisselle, Nicolas Masurier, Anne Aubert-Pouëssel
The aim of this work was to carry out a preformulation study on JMV5038 as a new potent cytotoxic agent, and to develop its formulation within vegetable oil-based hybrid submicron particles (HNP) in order to obtain a versatile dosage form against melanoma. JMV5038 was first characterized through physico-chemical tests and it exhibited high melting point and logP value, an important pH-sensitivity that led to the formation of well-identified degradation products at low pH, as well as a substantial solubility value in silylated castor oil (ICO)...
October 15, 2020: Journal of Pharmaceutical Sciences
https://read.qxmd.com/read/33069566/development-of-an-optimized-closed-and-semi-automatic-protocol-for-good-manufacturing-practice-manufacturing-of-tumor-infiltrating-lymphocytes-in-a-hospital-environment
#19
Philippe O Gannon, Alexandre Harari, Aymeric Auger, Clément Murgues, Vincent Zangiacomi, Olivier Rubin, Kim Ellefsen Lavoie, Laurent Guillemot, Blanca Navarro Rodrigo, Tu Nguyen-Ngoc, Sylvie Rusakiewicz, Laetitia Rossier, Caroline Boudousquié, Petra Baumgaertner, Stefan Zimmermann, Lionel Trueb, Emanuela M Iancu, Christine Sempoux, Nicolas Demartines, George Coukos, Lana E Kandalaft
BACKGROUND AIMS: Several studies report on Good Manufacturing Process (GMP)-compliant manufacturing protocols for the ex vivo expansion of tumor-infiltrating lymphocytes (TILs) for the treatment of patients with refractory melanoma and other solid malignancies. Further opportunities for improvements in terms of ergonomy and operating time have been identified. METHODS: To enable GMP-compliant TILs production for adoptive cell therapy needs, a simple automated and reproducible protocol for TILs manufacturing with the use of a closed system was developed and implemented at the authors' institution...
October 14, 2020: Cytotherapy
https://read.qxmd.com/read/33068897/fluorescence-copolymer-based-dual-signal-monitoring-tyrosinase-activity-and-its-inhibitor-screening-via-blue-green-emission-transformation
#20
Can Chen, Lihua Pang, Rui Wang, Changpeng Zou, Guotong Ruan, Yujie Sun, Chengwu Zhang, Haidong Yu, Lin Li, Jinhua Liu
Tyrosinase (TYR) is a crucial enzyme in melanin metabolism and catecholamine production, its abnormal overexpression is closely associated with many human diseases involving melanoma cancer, vitiligo, Parkinson's disease and so on. Herein, a dual-signal fluorescence sensing system for monitoring TYR activity is constructed depending on the transformation of blue-green fluorescence emission of copolymer. The developed sensing system is based on TYR catalyzing the hydroxylation of mono-phenol to o-diphenol and the conversion of fluorescence copolymer (FCP) blue emission (430 nm) and green emission (535 nm) in the presence of PEI...
October 6, 2020: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
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