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https://www.readbyqxmd.com/read/28427199/combinatorial-treatment-with-polyi-c-and-anti-il6-enhances-apoptosis-and-suppresses-metastasis-of-lung-cancer-cells
#1
Wai Hoe Lau, Xiphias Ge Zhu, Shamaine Wei Ting Ho, Shu Chun Chang, Jeak Ling Ding
Activation of TLR3 stimulates cancer cell apoptosis and triggers secretion of inflammatory cytokines. PolyI:C, a TLR3 agonist, activates immune cells and regresses metastatic lung cancer in vivo. Although polyI:C reportedly kills lung carcinomas, the mechanism remains elusive. Here, we demonstrated that polyI:C suppressed the proliferation and survival of metastatic (NCI-H358 and NCI-H292) and non-metastatic (A549) lung cancer cells. Notably, A549, NCI-H292 and NCI-H358 which are inducible by polyI:C, expressed low-to-medium level of TLR3 protein, and were susceptible to polyI:C treatment...
March 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28426098/targeting-chromatin-defects-in-selected-solid-tumors-based-on-oncogene-addiction-synthetic-lethality-and-epigenetic-antagonism
#2
D Morel, G Almouzni, J-C Soria, S Postel-Vinay
Background: Although the role of epigenetic abnormalities has been studied for several years in cancer genesis and development, epigenetic-targeting drugs have historically failed to demonstrate efficacy in solid malignancies. However, successful targeting of chromatin remodeling deficiencies, histone writers and histone reader alterations has been achieved very recently using biomarker-driven and mechanism-based approaches. Epigenetic targeting is now one of the most active areas in drug development and could represent novel therapeutic opportunity for up to 25% of all solid tumors...
February 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28425625/a-missense-mutation-in-damage-specific-dna-binding-protein-2-is-a-genetic-risk-factor-for-limbal-squamous-cell-carcinoma-in-horses
#3
Rebecca R Bellone, Jiayin Liu, Jessica L Petersen, Maura Mack, Moriel Singer-Berk, Cord Drögemüller, Julia Malvick, Barbara Wallner, Gottfried Brem, M Cecilia Penedo, Mary Lassaline
Squamous cell carcinoma (SCC) is the most common cancer of the equine eye, frequently originating at the limbus, with the potential to invade the cornea, cause visual impairment, and result in loss of the eye. Several breeds of horses have a high occurrence of limbal SCC implicating a genetic basis for limbal SCC predisposition. Pedigree analysis in the Haflinger breed supports a simple recessive mode of inheritance and a genome wide association study (N=23) identified a 1.5 Mb locus on ECA12 significantly associated with limbal SCC (Pcorrected = 0...
April 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28425263/combination-therapy-with-dendritic-cell-based-vaccine-and-anti-cd69-antibody-enhances-antitumor-efficacy-in-renal-cell-carcinoma-bearing-mice
#4
Si-Ming Wei, Hang-Li Pan, Li Wang, Guo-Li Yin, Kai Zhong, Ya Zhou, Shu-Jiao Yang, Zhao-Liang Xin
BACKGROUND/AIM: Dendritic cell-based vaccine therapy for renal cell carcinoma is effective but requires improvement. Here we explored whether combination therapy with dendritic cell-based vaccine and anti-CD69 antibody can enhance antitumor efficacy in renal cell carcinoma-bearing mice. MATERIALS AND METHODS: Balb/c mice were challenged subcutaneously with murine renal cell carcinoma (Renca) cells. On day 3 after tumor cell inoculation, tumor-bearing mice either were left untreated or were treated with Renca tumor lysate-pulsed dendritic cells (i...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28423742/novel-potential-predictive-markers-of-sunitinib-outcomes-in-long-term-responders-versus-primary-refractory-patients-with-metastatic-clear-cell-renal-cell-carcinoma
#5
Javier Puente, Nuria Laínez, Marta Dueñas, María José Méndez-Vidal, Emilio Esteban, Daniel Castellano, Mónica Martinez-Fernández, Laura Basterretxea, María José Juan-Fita, Luis Antón, Luis León, Julio Lambea, Begoña Pérez-Valderrama, Sergio Vázquez, Cristina Suarez, Xavier Garcia Del Muro, Enrique Gallardo, José Pablo Maroto, M Luz Samaniego, Beatriz Suárez-Paniagua, Julián Sanz, Jesús M Paramio, Sogug Spanish Oncology Genitourinary Group
BACKGROUND: Several potential predictive markers of efficacy of targeted agents in patients with metastatic renal cell carcinoma (mRCC) have been identified. Interindividual heterogeneity warrants further investigation. PATIENTS AND METHODS: Multicenter, observational, retrospective study in patients with clear-cell mRCC treated with sunitinib. Patients were classified in two groups: long-term responders (LR) (progression-free survival (PFS)≥22 months and at least stable disease), and primary refractory (PR) (progressive disease within 3-months of sunitinib onset)...
March 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423738/lncrna-snhg1-a-non-degradable-sponge-for-mir-338-promotes-expression-of-proto-oncogene-cst3-in-primary-esophageal-cancer-cells
#6
Yan Yan, Qingxia Fan, Liping Wang, Yue Zhou, Jianhua Li, Kun Zhou
Competing endogenous RNA (ceRNA) is a newly proposed mechanism that describes a crosstalk among lncRNAs, mRNAs and their shared miRNAs. In this study, the role of miR-338-3p (miR-338) in the progression of esophageal cancer and its involve in the ceRNA regulatory circuit lncRNA-Snhg1/CST3 were explored. MiR-338 displayed a 30% decreased expression in esophageal squamous cell carcinoma tissues compared with the adjacent. Then, proto-oncogene CST3 was predicted and validated as a target gene of miR-338. Gain-and-loss-function experiments indicated that miR-338 suppressed expression of CST3 protein (also Cystatin C, CysC), promoted expression of apoptotic proteins caspase-8/3, attenuated esophageal carcinoma cell growth and induced its apoptosis...
March 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423703/artocarpin-an-isoprenyl-flavonoid-induces-p53-dependent-or-independent-apoptosis-via-ros-mediated-mapks-and-akt-activation-in-non-small-cell-lung-cancer-cells
#7
Ming-Horng Tsai, Ju-Fang Liu, Yao-Chang Chiang, Stephen Chu-Sung Hu, Lee-Fen Hsu, Yu-Ching Lin, Zih-Chan Lin, Hui-Chun Lee, Mei-Chuan Chen, Chieh-Liang Huang, Chiang-Wen Lee
Artocarpin has been shown to exhibit cytotoxic effects on different cancer cells, including non-small cell lung carcinoma (NSCLC, A549). However, the underlying mechanisms remain unclear. Here, we explore both p53-dependent and independent apoptosis pathways in artocarpin-treated NSCLC cells. Our results showed that artocarpin rapidly induced activation of cellular protein kinases including Erk1/2, p38 and AktS473. Inhibition of these protein kinases prevented artocarpin-induced cell death. Moreover, artocarpin-induced phosphorylation of these protein kinases and apoptosis were mediated by induction of reactive oxygen species (ROS), as pretreatment with NAC (a ROS scavenger) and Apocynin (a Nox-2 inhibitor) blocked these events...
March 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423512/kinase-analysis-of-penile-squamous-cell-carcinoma-on-multiple-platforms-to-identify-potential-therapeutic-targets
#8
Eddy S Yang, Christopher D Willey, Amitkumar Mehta, Michael R Crowley, David K Crossman, Dongquan Chen, Joshua C Anderson, Gurudatta Naik, Deborah L Della Manna, Tiffiny S Cooper, Guru Sonpavde
Penile squamous cell carcinoma (PSCC) is an orphan malignancy with poorly understood biology and suboptimal systemic therapy. Given that kinases may be drivers and readily actionable, we performed comprehensive multiplatform analysis of kinases in PSCC tumor and normal tissue. Fresh frozen tumors were collected from 11 patients with PSCC. After macrodissection to demarcate tumor from normal tissue, the samples underwent multiplatform analysis of kinases. Next Generation Sequencing (NGS) of 517 kinase genes was performed using Agilent Kinome capture and run on the Illumina MiSeq at PE150bp...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422390/naringin-abates-adverse-effects-of-cadmium-mediated-hepatotoxicity-an-experimental-study-using-hepg2-cells
#9
Visesh Kumar Rathi, Shubhankar Das, Archana Parampalli Raghavendra, Bola Sadashiva Satish Rao
This study investigated the protective potential of Naringin (NIN) against cadmium chloride (CdCl2 ) mediated hepatotoxicity using human hepatocellular carcinoma (HepG2) cells. An optimal concentration of NIN (5 μM) was potent enough to confer cytoprotection against CdCl2 (50 μM) as was observed by MTT assay. Preconditioning with NIN maintained redox homeostasis, mitochondrial membrane potential, and reduced apoptosis as marked by decrease in the percentage sub-G0 /G1 and Annexin V-FITC/propidium iodide positive cells (apoptotic)...
April 19, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28421464/a-novel-tp53-mutation-associated-with-twist1-and-sip1-expression-in-an-aggressive-adrenocortical-carcinoma
#10
Daniel Bulzico, Davi Coe Torres, Gerson Moura Ferreira, Bruno Ricardo Barreto Pires, Paulo Antônio Silvestre de Faria, Rocio Hassan, Eliana Abdelhay, Mario Vaisman, Leonardo Vieira Neto
Adrenocortical carcinomas (ACC) are very rare tumors related to TP53 mutations mostly in childhood onset cases. Epithelial-mesenchymal transition (EMT) transcription factors TWIST1 and Smad interacting protein 1 (SIP1) are related to poorer outcomes in other malignancies, but their role in ACC is unknown. We describe a case of an advanced metastatic ACC (Weiss-score of 9) in a patient at age 76. After primary tumor resection, mitotane therapy was started as palliation to low-volume liver metastasis. After a 2-year period of stable disease, the patient died due to brain metastasis...
April 18, 2017: Endocrine Pathology
https://www.readbyqxmd.com/read/28421181/mct1-in-invasive-ductal-carcinoma-monocarboxylate-metabolism-and-aggressive-breast-cancer
#11
Jennifer M Johnson, Paolo Cotzia, Roberto Fratamico, Lekha Mikkilineni, Jason Chen, Daniele Colombo, Mehri Mollaee, Diana Whitaker-Menezes, Marina Domingo-Vidal, Zhao Lin, Tingting Zhan, Madalina Tuluc, Juan Palazzo, Ruth C Birbe, Ubaldo E Martinez-Outschoorn
Introduction: Monocarboxylate transporter 1 (MCT1) is an importer of monocarboxylates such as lactate and pyruvate and a marker of mitochondrial metabolism. MCT1 is highly expressed in a subgroup of cancer cells to allow for catabolite uptake from the tumor microenvironment to support mitochondrial metabolism. We studied the protein expression of MCT1 in a broad group of breast invasive ductal carcinoma specimens to determine its association with breast cancer subtypes and outcomes. Methods: MCT1 expression was evaluated by immunohistochemistry on tissue micro-arrays (TMA) obtained through our tumor bank...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28419665/lettuce-produced-hepatitis-c-virus-e1e2-heterodimer-triggers-immune-responses-in-mice-and-antibody-production-after-oral-vaccination
#12
Jihong Liu Clarke, Lisa Paruch, Mihaela-Olivia Dobrica, Iuliana Caras, Catalin Tucureanu, Adrian Onu, Sonya Ciulean, Crina Stavaru, Andre Eerde, Yanliang Wang, Hege Steen, Sissel Haugslien, Catalina Petrareanu, Catalin Lazar, Ioan Popescu, Ralph Bock, Jean Dubuisson, Norica Branza-Nichita
The hepatitis C virus (HCV) is a major etiologic agent for severe liver diseases (e.g., cirrhosis, fibrosis and hepatocellular carcinoma). Approximately 140 million people have chronic HCV infections and about 500,000 die yearly from HCV-related liver pathologies. To date, there is no licenced vaccine available to prevent HCV infection and production of an HCV vaccine remains a major challenge. Here we report the successful production of the HCV E1E2 heterodimer, an important vaccine candidate, in an edible crop (lettuce, Lactuca sativa) using Agrobacterium-mediated transient expression technology...
April 17, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28419181/hyperprogression-during-anti-pd-1-pd-l1-therapy-in-patients-with-recurrent-and-or-metastatic-head-and-neck-squamous-cell-carcinoma
#13
E Saâda-Bouzid, C Defaucheux, A Karabajakian, V Palomar Coloma, V Servois, X Paoletti, C Even, J Fayette, J Guigay, D Loirat, F Peyrade, M Alt, J Gal, C Le Tourneau
Background: HASH(0x3d67e08) Pembrolizumab and nivolumab are immune checkpoint inhibitors targeting PD-1 that have recently been approved in pretreated recurrent and/or metastatic head and neck squamous cell carcinoma (R/M HNSCC) patients. In the clinic, some patients seem not only not to benefit from anti-PD-L1/PD-1 agents but rather to experience an acceleration of tumor growth kinetics (TGK). Patients and Methods: HASH(0x43770d8) We retrospectively compared TGK on immunotherapy and TGK on last treatment in patients with R/M HNSCC treated with PD-1/PD-L1 inhibitors in four French centers...
April 13, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28418903/kinomic-profiling-identifies-focal-adhesion-kinase-1-as-a-therapeutic-target-in-advanced-clear-cell-renal-cell-carcinoma
#14
Arindam P Ghosh, Christopher D Willey, Joshua C Anderson, Karim Welaya, Dongquan Chen, Amitkumar Mehta, Pooja Ghatalia, Ankit Madan, Gurudatta Naik, Sunil Sudarshan, Guru Sonpavde
The introduction of targeted therapies has caused a paradigm shift in the treatment of metastatic clear cell (cc)-renal cell carcinoma (RCC). We hypothesized that determining differential kinase activity between primary and metastatic tumor sites may identify critical drivers of progression and relevant therapeutic targets in metastatic disease. Kinomic profiling was performed on primary tumor and metastatic tumor deposits utilizing a peptide substrate microarray to detect relative tyrosine phosphorylation activity...
March 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28418078/induction-of-mitochondrial-apoptotic-pathway-in-triple-negative-breast-carcinoma-cells-by-methylglyoxal-via-generation-of-reactive-oxygen-species
#15
Anirban Roy, Manisha Ahir, Saurav Bhattacharya, Pravat Kumar Parida, Arghya Adhikary, Kuladip Jana, Manju Ray
Triple negative breast cancer (TNBC) tends to form aggressive tumors associated with high mortality and morbidity which urge the need for development of new therapeutic strategies. Recently the normal metabolite Methylglyoxal (MG) has been documented for its anti-proliferative activity against human breast cancer. However, the mode of action of MG against triple negative breast cancer remains open to question. In our study, we investigated the anticancer activity of MG in MDA MB 231 and 4T1 TNBC cell lines and elucidated the underlying mechanisms...
April 18, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28417194/impact-of-bcl2-polymorphisms-on-survival-in-transitional-cell-carcinoma-of-the-bladder
#16
Jochen Hess, Patrick Stelmach, Andreas Eisenhardt, Herbert Rübben, Henning Reis, Kurt Werner Schmid, Hagen Sjard Bachmann
PURPOSE: To evaluate the impact of three BCL2 single-nucleotide polymorphisms, i.e., c.-938C>A (rs2279115), c.21G>A (rs1801018), and c.*2203A>G (rs4987853) on survival in patients with transitional cell carcinoma of the bladder. METHODS: We analyzed 179 patients who underwent surgical treatment for bladder cancer at the Clinic of Urology, University Hospital Essen, Germany. Genomic DNA was extracted and genotyped for the polymorphisms. For all polymorphisms, linkage analysis was performed...
April 17, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28417059/susceptibility-of-human-oral-squamous-cell-carcinoma-oscc-h103-and-h376-cell-lines-to-retroviral-oskm-mediated-reprogramming
#17
Nalini Devi Verusingam, Swee Keong Yeap, Huynh Ky, Ian C Paterson, Suan Phaik Khoo, Soon Keng Cheong, Alan H K Ong, Tunku Kamarul
Although numbers of cancer cell lines have been shown to be successfully reprogrammed into induced pluripotent stem cells (iPSCs), reprogramming Oral Squamous Cell Carcinoma (OSCC) to pluripotency in relation to its cancer cell type and the expression pattern of pluripotent genes under later passage remain unexplored. In our study, we reprogrammed and characterised H103 and H376 oral squamous carcinoma cells using retroviral OSKM mediated method. Reprogrammed cells were characterized for their embryonic stem cells (ESCs) like morphology, pluripotent gene expression via quantitative real-time polymerase chain reaction (RT-qPCR), immunofluorescence staining, embryoid bodies (EB) formation and directed differentiation capacity...
2017: PeerJ
https://www.readbyqxmd.com/read/28416753/synergistic-effects-of-the-immune-checkpoint-inhibitor-ctla-4-combined-with-the-growth-inhibitor-lycorine-in-a-mouse-model-of-renal-cell-carcinoma
#18
Xiezhao Li, Peng Xu, Chongshan Wang, Naijin Xu, Abai Xu, Yawen Xu, Takuya Sadahira, Motoo Araki, Koichiro Wada, Eiji Matsuura, Masami Watanabe, Junxia Zheng, Pinghua Sun, Peng Huang, Yasutomo Nasu, Chunxiao Liu
Renal cell carcinoma (RCC) management has undergone a major transformation over the past decade; immune checkpoint inhibitors are currently undergoing clinical trials and show promising results. However, the effectiveness of immune checkpoint inhibitors in patients with metastatic RCC (mRCC) is still limited. Lycorine, an alkaloid extracted from plants of the Amaryllidaceae family, is touted as a potential anti-cancer drug because of its demonstrative growth inhibition capacity (induction of cell cycle arrest and inhibition of vasculogenic mimicry formation)...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28416734/the-angiotensin-receptor-blocker-losartan-inhibits-mammary-tumor-development-and-progression-to-invasive-carcinoma
#19
Rhiannon Coulson, Seng H Liew, Angela A Connelly, Nicholas S Yee, Siddhartha Deb, Beena Kumar, Ana C Vargas, Sandra A O'Toole, Adam C Parslow, Ashleigh Poh, Tracy Putoczki, Riley J Morrow, Mariah Alorro, Kyren A Lazarus, Evie F W Yeap, Kelly L Walton, Craig A Harrison, Natalie J Hannan, Amee J George, Colin D Clyne, Matthias Ernst, Andrew M Allen, Ashwini L Chand
Drugs that target the Renin-Angiotensin System (RAS) have recently come into focus for their potential utility as cancer treatments. The use of Angiotensin Receptor Blockers (ARBs) and Angiotensin-Converting Enzyme (ACE) Inhibitors (ACEIs) to manage hypertension in cancer patients is correlated with improved survival outcomes for renal, prostate, breast and small cell lung cancer. Previous studies demonstrate that the Angiotensin Receptor Type I (AT1R) is linked to breast cancer pathogenesis, with unbiased analysis of gene-expression studies identifying significant up-regulation of AGTR1, the gene encoding AT1R in ER+ve/HER2-ve tumors correlating with poor prognosis...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28416598/ebv-microrna-bart16-suppresses-type-i-ifn-signaling
#20
Marjolein J G Hooykaas, Michiel van Gent, Jasper A Soppe, Elisabeth Kruse, Ingrid G J Boer, Dik van Leenen, Marian J A Groot Koerkamp, Frank C P Holstege, Maaike E Ressing, Emmanuel J H J Wiertz, Robert Jan Lebbink
Type I IFNs play critical roles in orchestrating the antiviral defense by inducing direct antiviral activities and shaping the adaptive immune response. Viruses have evolved numerous strategies to specifically interfere with IFN production or its downstream mediators, thereby allowing successful infection of the host to occur. The prototypic human gammaherpesvirus EBV, which is associated with infectious mononucleosis and malignant tumors, harbors many immune-evasion proteins that manipulate the adaptive and innate immune systems...
April 17, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
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