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EMT metabolism

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https://www.readbyqxmd.com/read/27878251/glyceraldehyde-3-phosphate-dehydrogenase-promotes-cancer-growth-and-metastasis-through-upregulation-of-snail-expression
#1
Kaiyan Liu, Zhenjie Tang, Amin Huang, Ping Chen, Panpan Liu, Jing Yang, Wenhua Lu, Jianwei Liao, Yicheng Sun, Shijun Wen, Yumin Hu, Peng Huang
Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) plays an important role in multiple cellular functions including metabolism and gene transcription. Our previous study showed that GAPDH expression was elevated in colon cancer and further upregulated in liver metastatic tissues, suggesting a possilbe role of GAPDH in promoting cancer metastasis. The present study was designed to investigate the underlying mechanism, using multiple experimental approaches including genetic silencing of GAPDH expression by short hairpin RNA (shRNA) and biochemcial/molecular analyses of the key events involved in glycolytic metabolism and epithelial-mesenchymal transition (EMT)...
November 18, 2016: International Journal of Oncology
https://www.readbyqxmd.com/read/27869167/cystine-addiction-of-triple-negative-breast-cancer-associated-with-emt-augmented-death-signaling
#2
X Tang, C-K Ding, J Wu, J Sjol, S Wardell, I Spasojevic, D George, D P McDonnell, D S Hsu, J T Chang, J-T Chi
Despite the advances in the diagnosis and treatment of breast cancer, breast cancers still cause significant mortality. For some patients, especially those with triple-negative breast cancer, current treatments continue to be limited and ineffective. Therefore, there remains an unmet need for a novel therapeutic approach. One potential strategy is to target the altered metabolic state that is rewired by oncogenic transformation. Specifically, this rewiring may render certain outside nutrients indispensable...
November 21, 2016: Oncogene
https://www.readbyqxmd.com/read/27865365/implications-of-cancer-stem-cells-in-developing-therapeutic-resistance-in-oral-cancer
#3
REVIEW
Prajna Paramita Naik, Durgesh Nandini Das, Prashanta Kumar Panda, Subhadip Mukhopadhyay, Niharika Sinha, Prakash Priyadarshi Praharaj, Rajesh Agarwal, Sujit Kumar Bhutia
Conventional therapeutics are often frequented with recurrences, refraction and regimen resistance in oral cavity cancers which are predominantly manifested by cancer stem cells (CSCs). During oncoevolution, cancer cells may undergo structural and functional reprogramming wherein they evolve as highly tolerant CSC phenotypes with greater survival advantages. The CSCs possess inherent and exclusive properties including self-renewal, hierarchical differentiation, and tumorigenicity that serve as the basis of chemo-radio-resistance in oral cancer...
November 2016: Oral Oncology
https://www.readbyqxmd.com/read/27852038/transcriptomic-metabolomic-reprogramming-in-egfr-mutant-nsclc-early-adaptive-drug-escape-linking-tgf%C3%AE-2-bioenergetics-mitochondrial-priming
#4
Praveena S Thiagarajan, Xiaoliang Wu, Wei Zhang, Ivy Shi, Rakesh Bagai, Patrick Leahy, Yan Feng, Martina Veigl, Daniel Lindner, David Danielpour, Lihong Yin, Rafael Rosell, Trever G Bivona, Zhenfeng Zhang, Patrick C Ma
The impact of EGFR-mutant NSCLC precision therapy is limited by acquired resistance despite initial excellent response. Classic studies of EGFR-mutant clinical resistance to precision therapy were based on tumor rebiopsies late during clinical tumor progression on therapy. Here, we characterized a novel non-mutational early adaptive drug-escape in EGFR-mutant lung tumor cells only days after therapy initiation, that is MET-independent. The drug-escape cell states were analyzed by integrated transcriptomic and metabolomics profiling uncovering a central role for autocrine TGFβ2 in mediating cellular plasticity through profound cellular adaptive Omics reprogramming, with common mechanistic link to prosurvival mitochondrial priming...
November 11, 2016: Oncotarget
https://www.readbyqxmd.com/read/27824159/oncometabolite-d-2-hydroxyglurate-directly-induces-epithelial-mesenchymal-transition-and-is-associated-with-distant-metastasis-in-colorectal-cancer
#5
Hugh Colvin, Naohiro Nishida, Masamitsu Konno, Naotsugu Haraguchi, Hidekazu Takahashi, Junichi Nishimura, Taishi Hata, Koichi Kawamoto, Ayumu Asai, Kenta Tsunekuni, Jun Koseki, Tsunekazu Mizushima, Taroh Satoh, Yuichiro Doki, Masaki Mori, Hideshi Ishii
Deranged metabolism is a hallmark of cancer, playing a significant role in driving the disease process. One such example is the induction of carcinogenesis by the oncometabolite D-2 hydroxyglutarate (D-2HG), which is produced by the mutated enzyme isocitrate dehydrogenase (IDH) occurring in subsets of leukaemias and brain tumours. The oncogenic property of D-2HG appears to stem from its ability to interfere with the activities of α-ketoglutarate-dependent dioxygenases, including the Jumonji family histone demethylases...
November 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27810772/fourier-transform-infra-red-spectroscopic-signatures-for-lung-cells-epithelial-mesenchymal-transition-a-preliminary-report
#6
Atasi Sarkar, Sanghamitra Sengupta, Anirban Mukherjee, Jyotirmoy Chatterjee
Infra red (IR) spectral characterization can provide label-free cellular metabolic signatures of normal and diseased circumstances in a rapid and non-invasive manner. Present study endeavoured to enlist Fourier transform infra red (FTIR) spectroscopic signatures for lung normal and cancer cells during chemically induced epithelial mesenchymal transition (EMT) for which global metabolic dimension is not well reported yet. Occurrence of EMT was validated with morphological and immunocytochemical confirmation...
October 17, 2016: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/27779188/simvastatin-induces-cell-cycle-arrest-and-inhibits-proliferation-of-bladder-cancer-cells-via-ppar%C3%AE-signalling-pathway
#7
Gang Wang, Rui Cao, Yongzhi Wang, Guofeng Qian, Han C Dan, Wei Jiang, Lingao Ju, Min Wu, Yu Xiao, Xinghuan Wang
Simvastatin is currently one of the most common drugs for old patients with hyperlipidemia, hypercholesterolemia and atherosclerotic diseases by reducing cholesterol level and anti-lipid properties. Importantly, simvastatin has also been reported to have anti-tumor effect, but the underlying mechanism is largely unknown. We collected several human bladder samples and performed microarray. Data analysis suggested bladder cancer (BCa) was significantly associated with fatty acid/lipid metabolism via PPAR signalling pathway...
October 25, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27777765/epithelial-mesenchymal-transition-induction-is-associated-with-augmented-glucose-uptake-and-lactate-production-in-pancreatic-ductal-adenocarcinoma
#8
Menghan Liu, Lake-Ee Quek, Ghazal Sultani, Nigel Turner
BACKGROUND: Pancreatic ductal adenocarcinoma (PDAC) is a common malignancy with dismal prognosis. Metastatic spread and therapeutic resistance, the main causes of PDAC-related mortalities, are both partially underlined by the epithelial-mesenchymal transition (EMT) of PDAC cells. While the role of Warburg metabolism has been recognized in supporting rapid cellular growth and proliferation in many cancer types, less is known about the metabolic changes occurring during EMT, particularly in the context of PDAC...
2016: Cancer & Metabolism
https://www.readbyqxmd.com/read/27757311/targeting-myeloid-derived-suppressor-cells-using-a-novel-adenosine-monophosphate-activated-protein-kinase-ampk-activator
#9
Prashant Trikha, Robert L Plews, Andrew Stiff, Shalini Gautam, Vincent Hsu, David Abood, Robert Wesolowski, Ian Landi, Xiaokui Mo, John Phay, Ching-Shih Chen, John Byrd, Michael Caligiuri, Susheela Tridandapani, William Carson
Myeloid-derived suppressor cells (MDSC) are a heterogeneous population of early myeloid cells that accumulate in the blood and tumors of patients with cancer. MDSC play a critical role during tumor evasion and promote immune suppression through variety of mechanisms, such as the generation of reactive oxygen and nitrogen species (ROS and RNS) and cytokines. AMPactivated protein kinase (AMPK) is an evolutionarily conserved serine/threonine kinase that regulates energy homeostasis and metabolic stress. However, the role of AMPK in the regulation of MDSC function remains largely unexplored...
2016: Oncoimmunology
https://www.readbyqxmd.com/read/27755964/hsf1-promotes-the-inhibition-of-emt-associated-migration-by-low-glucose-via-directly-regulating-snail1-expression-in-hcc-cells
#10
Denghe Liu, Lu Sun, Xue Qin, Tianhua Liu, Shu Zhang, Yinkun Liu, Shan Li, Kun Guo
OBJECTIVE: Reprogramming energy metabolism has been defined as the ninth hallmark of cancer; glucose deprivation might be a novel, feasible and effective approach for cancer treatment. However, the comprehensive illustration of behavior alteration of hepatocellular carcinoma (HCC) cells induced by glucose restriction is lacking and associated molecular mechanism is still unclear. METHODS: Three human HCC cell lines were cultured with normal control (25.0 mM D-glucose) and low glucose (5...
September 2016: Discovery Medicine
https://www.readbyqxmd.com/read/27750041/paracrine-il-6-signaling-mediates-the-effects-of-pancreatic-stellate-cells-on-epithelial-mesenchymal-transition-via-stat3-nrf2-pathway-in-pancreatic-cancer-cells
#11
Yuan Seng Wu, Ivy Chung, Won Fen Wong, Atsushi Masamune, Maw Shin Sim, Chung Yeng Looi
BACKGROUND: We previously showed that pancreatic stellate cells (PSC) secreted interleukin (IL)-6 and promoted pancreatic ductal adenocarcinoma (PDAC) cell proliferation via nuclear factor erythroid 2 (Nrf2)-mediated metabolic reprogramming. Epithelial-mesenchymal transition (EMT) is a key process for the metastatic cascade. To study the mechanism of PDAC progression to metastasis, we investigated the role of PSC-secreted IL-6 in activating EMT and the involvement of Nrf2 in this process...
October 14, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27705917/reciprocal-regulation-of-the-cholinic-phenotype-and-epithelial-mesenchymal-transition-in-glioblastoma-cells
#12
Katharina Koch, Rudolf Hartmann, Friederike Schröter, Abigail Kora Suwala, Donata Maciaczyk, Andrea Caroline Krüger, Dieter Willbold, Ulf Dietrich Kahlert, Jaroslaw Maciaczyk
Glioblastoma (GBM) is the most malignant brain tumor with very limited therapeutic options. Standard multimodal treatments, including surgical resection and combined radio-chemotherapy do not target the most aggressive subtype of glioma cells, brain tumor stem cells (BTSCs). BTSCs are thought to be responsible for tumor initiation, progression, and relapse. Furthermore, they have been associated with the expression of mesenchymal features as a result of epithelial-mesenchymal transition (EMT) thereby inducing tumor dissemination and chemo resistance...
September 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27698389/aldo-keto-reductase-1c1-induced-by-interleukin-1%C3%AE-mediates-the-invasive-potential-and-drug-resistance-of-metastatic-bladder-cancer-cells
#13
Ryuji Matsumoto, Masumi Tsuda, Kazuhiko Yoshida, Mishie Tanino, Taichi Kimura, Hiroshi Nishihara, Takashige Abe, Nobuo Shinohara, Katsuya Nonomura, Shinya Tanaka
In treating bladder cancer, determining the molecular mechanisms of tumor invasion, metastasis, and drug resistance are urgent to improving long-term patient survival. One of the metabolic enzymes, aldo-keto reductase 1C1 (AKR1C1), plays an essential role in cancer invasion/metastasis and chemoresistance. In orthotopic xenograft models of a human bladder cancer cell line, UM-UC-3, metastatic sublines were established from tumors in the liver, lung, and bone. These cells possessed elevated levels of EMT-associated markers, such as Snail, Slug, or CD44, and exhibited enhanced invasion...
October 4, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27661776/hypoglycemia-enhances-epithelial-mesenchymal-transition-and-invasiveness-and-restrains-the-warburg-phenotype-in-hypoxic-hela-cell-cultures-and-microspheroids
#14
Álvaro Marín-Hernández, Juan Carlos Gallardo-Pérez, Ileana Hernández-Reséndiz, Isis Del Mazo-Monsalvo, Diana Xochiquetzal Robledo-Cadena, Rafael Moreno-Sánchez, Sara Rodríguez-Enríquez
The accelerated growth of solid tumors leads to episodes of both hypoxia and hypoglycemia (HH) affecting their intermediary metabolism, signal transduction and transcriptional activity. A previous study showed that normoxia (20% O2 ) plus 24 h hypoglycemia (2.5 mM glucose) increased glycolytic flux whereas oxidative phosphorylation (OxPhos) was unchanged vs. normoglycemia in HeLa cells. However, the simultaneous effect of HH on energy metabolism has not been yet examined. Therefore, the effect of hypoxia (0...
September 23, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27661118/small-heterodimer-partner-1-directly-interacts-with-ns5a-viral-protein-and-has-a-key-role-in-hcv-related-liver-cell-transformation
#15
Beatrice Conti, Cristiana Porcu, Carmela Viscomi, Antonella Minutolo, Susan Costantini, Marco Corazzari, Gino Iannucci, Barbara Barbaro, Clara Balsano
HCV life cycle is strictly correlated with the hepatocyte lipid metabolism; moreover, the progression of HCV chronic hepatitis is accelerated by the presence of liver steatosis. Among the steatogenic genes deregulated during the HCV infection one of the most attractive is the Small Heterodimer Protein 1 (SHP1; NR0B2), that is involved in a remarkable number of metabolic functions. HCV NS5A is an essential and integral component of the HCV membranous-web replicon complex (RC) and plays an essential role to transfer the viral genome from the RCs to the surface of the lipid droplets (LDs) that, in turn, play a key function during HCV life cycle...
September 20, 2016: Oncotarget
https://www.readbyqxmd.com/read/27622062/warburg-metabolism-in-tumor-conditioned-macrophages-promotes-metastasis-in-human-pancreatic-ductal-adenocarcinoma
#16
Hweixian Leong Penny, Je Lin Sieow, Giulia Adriani, Wei Hseun Yeap, Peter See Chi Ee, Boris San Luis, Bernett Lee, Terence Lee, Shi Ya Mak, Ying Swan Ho, Kong Peng Lam, Choon Kiat Ong, Ruby Y J Huang, Florent Ginhoux, Olaf Rotzschke, Roger D Kamm, Siew Cheng Wong
Patients with pancreatic ductal adenocarcinoma (PDAC) face a clinically intractable disease with poor survival rates, attributed to exceptionally high levels of metastasis. Epithelial-to-mesenchymal transition (EMT) is pronounced at inflammatory foci within the tumor; however, the immunological mechanisms promoting tumor dissemination remain unclear. It is well established that tumors exhibit the Warburg effect, a preferential use of glycolysis for energy production, even in the presence of oxygen, to support rapid growth...
August 2016: Oncoimmunology
https://www.readbyqxmd.com/read/27600018/-role-of-hif-induced-emt-in-invasion-and%C3%A2-metastasis-of-tumor
#17
Yang Chen, Yan Shi, Guanghai Dai
Hypoxia plays a vital role in tumor metabolism, proliferation, apoptosis, invasion and metastasis via hypoxia-inducible factor (HIF). Epithelial to mesenchymal transition (EMT) is a crucial process to metastasis, which could be triggered by hypoxia. EMT could be regulated by HIF via multiple pathways including TGF-β, Notch, and Wnt/β-catenin. It has been shown that anti-HIF drugs combined with anti-EMT therapies could be a promising strategy for tumor therapy.
August 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/27599658/gsk-3%C3%AE-mediated-fatty-acid-synthesis-enhances-epithelial-to-mesenchymal-transition-of-tlr4-activated-colorectal-cancer-cells-through-regulation-of-tap63
#18
Ga Bin Park, Yoon Hee Chung, Ji Hee Gong, Dong-Hoon Jin, Daejin Kim
Glycogen synthase kinase-3β (GSK-3β) in cancer cells is a critical regulatory component of both cellular metabolism and epithelial-mesenchymal transition (EMT) processes via regulation of the β-catenin/E-cadherin and phosphoinositide 3-kinase (PI3K)/AKT signaling pathway. Lipogenesis of cancer cells also plays a critical role in survival and metastasis. We investigated the role of GSK-3β-mediated intracellular fatty acid synthesis to control EMT in TLR4-activated colorectal cancer cells and the underlying regulatory mechanism...
September 5, 2016: International Journal of Oncology
https://www.readbyqxmd.com/read/27571935/microrna-137-suppresses-tongue-squamous-carcinoma-cell-proliferation-migration-and-invasion
#19
Lanying Sun, Jin Liang, Qibao Wang, Zhaoyuan Li, Yi Du, Xin Xu
OBJECTIVES: Tongue squamous cell carcinoma (TSCC) is the most frequent type of oral malignancy. Increasing evidence has shown that miRNAs play key roles in many biological processes such as cell development, invasion, proliferation, differentiation, metabolism, apoptosis and migration. MATERIALS AND METHODS: qRT-PCR analysis was performed to measure miR-137 expression. CCK-8 analysis, cell colony formation, wound-healing analysis and invasion were performed to detect resultant cell functions...
October 2016: Cell Proliferation
https://www.readbyqxmd.com/read/27566559/ferritin-heavy-chain-is-a-negative-regulator-of-ovarian-cancer-stem-cell-expansion-and-epithelial-to-mesenchymal-transition
#20
Nadia Lobello, Flavia Biamonte, Maria Elena Pisanu, Maria Concetta Faniello, Žiga Jakopin, Emanuela Chiarella, Emilia Dora Giovannone, Rita Mancini, Gennaro Ciliberto, Giovanni Cuda, Francesco Costanzo
OBJECTIVES: Ferritin is the major intracellular iron storage protein essential for maintaining the cellular redox status. In recent years ferritin heavy chain (FHC) has been shown to be involved also in the control of cancer cell growth. Analysis of public microarray databases in ovarian cancer revealed a correlation between low FHC expression levels and shorter survival. To better understand the role of FHC in cancer, we have silenced the FHC gene in SKOV3 cells. RESULTS: FHC-KO significantly enhanced cell viability and induced a more aggressive behaviour...
August 22, 2016: Oncotarget
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