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EMT metabolism

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https://www.readbyqxmd.com/read/29453983/aldolase-a-overexpression-is-associated-with-poor-prognosis-and-promotes-tumor-progression-by-the-epithelial-mesenchymal-transition-in-colon-cancer
#1
Feng Ye, Yixing Chen, Lu Xia, Jiabian Lian, Shuyu Yang
There is increasing evidence that glycolysis is involved in cancer progression. Aldolase is a glycolytic enzyme that catalyzes the reversible conversion of fructose-1,6-bisphosphate to glyceraldehyde-3-phosphate and dihydroxyacetone phosphate. Disruption of the aldolase genes also plays a role in the progression of multiple types of cancer. However, the underlying mechanism of the action of aldolases in colon cancer progression remains elusive. In this study, aldolase A expression was investigated and found to be upregulated along with human colon cancer progression and metastasis at both the mRNA and protein levels in human colon cancer tissues...
February 14, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29453319/leptin-signaling-mediates-obesity-associated-csc-enrichment-and-emt-in-preclinical-tnbc-models
#2
Laura W Bowers, Emily L Rossi, Shannon B McDonell, Steven S Doerstling, Subreen A Khatib, Claire G Lineberger, Jody E Albright, Xiaohu Tang, Linda A deGraffenried, Stephen D Hursting
Obesity is associated with poor prognosis in triple-negative breast cancer (TNBC). Preclinical models of TNBC were used to test the hypothesis that increased leptin signaling drives obesity-associated TNBC development by promoting cancer stem cell (CSC) enrichment and/or epithelial-to-mesenchymal transition (EMT). MMTV-Wnt-1 transgenic mice, which develop spontaneous basal-like, triple-negative mammary tumors, received either a control diet (10% kcal from fat) or a diet-induced obesity regimen (DIO, 60% kcal from fat) for up to 42 weeks (n=15/group)...
February 16, 2018: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29446048/adiponectin-and-colon-cancer-evidence-for-inhibitory-effects-on-viability-and-migration-of-human-colorectal-cell-lines
#3
E Nigro, P Schettino, R Polito, O Scudiero, M L Monaco, G D De Palma, A Daniele
Adiponectin (Acrp30) is an adipokine widely studied for its beneficial metabolic and anti-inflammatory properties. Colorectal cancer is among the most common cancers worldwide. The aim of present study was to explore the effects of Acrp30 on both CaCo-2 and HCT116 colorectal cancer cells in terms of viability, oxidative stress, and apoptosis. In addition, since colorectal cancer represents a typical inflammation-related cancer, we investigated whether Acrp30 treatment modifies the migration and the expression of crucial proteins in the EMT transition...
February 14, 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29439261/metabolomics-reveals-protection-of-resveratrol-in-diet-induced-metabolic-risk-factors-in-abdominal-muscle
#4
Guoyou Chen, Guozhu Ye, Xinbo Zhang, Xiaoxiao Liu, Yingfeng Tu, Zengjie Ye, Jincheng Liu, Qi Guo, Zhiguo Wang, Lin Wang, Sijun Dong, Yuhua Fan
BACKGROUND/AIMS: Abdominal obesity is recognized as the main reason of metabolic syndrome, which is closely related to disordered skeletal and/or abdominal muscle metabolic functions. Metabolomics is a comprehensive assessment system in biological metabolites. The aim of our present study is to investigate the diet-induced metabolic risk factors by metabolic in the abdominal muscles and clarify the relationship between atheroprotective effects of Resveratrol (Rev) and abdominal muscles metabolic components during the development of atherosclerosis...
February 7, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29416718/ing5-differentially-regulates-protein-lysine-acetylation-and-promotes-p300-autoacetylation
#5
Tao Zhang, Jin Meng, Xinli Liu, Xutao Zhang, Xiaojun Peng, Zhongyi Cheng, Feng Zhang
ING5 belongs to the Inhibitor of Growth (ING) candidate tumor suppressor family. Previously, we have shown that ING5 inhibits invasiveness of lung cancer cells by downregulating EMT-inducing genes. However, the underlying mechanisms remain unclear. The aim of the study was to use integrated approach involving SILAC labeling and mass spectrometry-based quantitative proteomics to quantify dynamic changes of acetylation regulated by ING5 in lung cancer cells. Here, we have found that ING5 has a profound influence on protein lysine acetylation with 163 acetylation peptides on 122 proteins significantly upregulated and 100 acetylation peptides on 72 proteins downregulated by ING5 overexpression...
January 5, 2018: Oncotarget
https://www.readbyqxmd.com/read/29393429/notch-signaling-molecule-is-involved-in-the-invasion-of-miapaca2-cells-induced-by-cocl2-via-regulating-epithelial%C3%A2-mesenchymal-transition
#6
Ding-Wei Chen, Hong Wang, Ya-Fang Bao, Kun Xie
Pancreatic cancer exhibits a high mortality rate resulting from metastasis and there is currently no effective treatment strategy. Hypoxia serves an important role in cancer cells, where cellular metabolic rate is high. The underlying mechanisms that trigger hypoxia and the invasion of pancreatic cancer cells remain unknown. Investigation of the importance of hypoxia in the invasion of pancreatic cancer cells for potential, novel treatment strategies is of primary concern. Cell Counting Kit‑8 assay, invasion assay, western blotting and reverse transcription‑quantitative polymerase chain reaction were used to investigate invasion and epithelial mesenchymal transition (EMT) and the expression of Notch1 in MiaPaCa2 cells treated with cobalt II chloride (CoCl2)...
January 26, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29391154/o-glcnacylation-affects-%C3%AE-catenin-and-e-cadherin-expression-cell-motility-and-tumorigenicity-of-colorectal-cancer
#7
Shani Ben Harosh-Davidovich, Isam Khalaila
O-GlcNAcylation, the addition of β-N-acetylglucosamine (O-GlcNAc) moiety to Ser/Thr residues, is a sensor of the cell metabolic state. Cancer diseases such as colon, lung and breast cancer, possess deregulated O-GlcNAcylation. Studies during the last decade revealed that O-GlcNAcylation is implicated in cancer tumorigenesis and proliferation. The Wnt/β-catenin signaling pathway and cadherin-mediated adhesion are also implicated in epithelial-mesenchymal transition (EMT), a key cellular process in invasion and cancer metastasis...
January 30, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29367463/mutant-p53r270h-drives-altered-metabolism-and-increased-invasion-in-pancreatic-ductal-adenocarcinoma
#8
Heather K Schofield, Jörg Zeller, Carlos Espinoza, Christopher J Halbrook, Annachiara Del Vecchio, Brian Magnuson, Tania Fabo, Ayse Ece Cali Daylan, Ilya Kovalenko, Ho-Joon Lee, Wei Yan, Ying Feng, Saadia A Karim, Daniel M Kremer, Chandan Kumar-Sinha, Costas A Lyssiotis, Mats Ljungman, Jennifer P Morton, Stefanie Galbán, Eric R Fearon, Marina Pasca di Magliano
Pancreatic cancer is characterized by nearly universal activating mutations in KRAS. Among other somatic mutations, TP53 is mutated in more than 75% of human pancreatic tumors. Genetically engineered mice have proven instrumental in studies of the contribution of individual genes to carcinogenesis. Oncogenic Kras mutations occur early during pancreatic carcinogenesis and are considered an initiating event. In contrast, mutations in p53 occur later during tumor progression. In our model, we recapitulated the order of mutations of the human disease, with p53 mutation following expression of oncogenic Kras...
January 25, 2018: JCI Insight
https://www.readbyqxmd.com/read/29345287/intermittent-calorie-restriction-enhances-epithelial-mesenchymal-transition-through-the-alteration-of-energy-metabolism-in-a-mouse-tumor-model
#9
Osamu Kusuoka, Rina Fujiwara-Tani, Chie Nakashima, Kiyomu Fujii, Hitoshi Ohmori, Takuya Mori, Shingo Kishi, Yoshihiro Miyagawa, Kei Goto, Isao Kawahara, Hiroki Kuniyasu
The effect of intermittent calorie restriction (ICR) on cancer is controversial. In this study, we examined the effects of ICR and food content in syngeneic BALB/c mice injected with CT26 mouse colon cancer cells. Mice were subjected to 24-h fasting once a week for 4 weeks, and then provided with a control, high-calorie, or trans fatty acid-rich diet. While ICR resulted in increases in tumor weights, metastasis and in the number of cancer stem cells (CSCs) in the tumors or blood of mice fed the control and high-fat diets, it had no effect on body weight after 4 weeks...
February 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29343522/polyol-pathway-links-glucose-metabolism-to-the-aggressiveness-of-cancer-cells
#10
Annemarie Schwab, Aarif Siddiqui, Maria Eleni Vazakidou, Francesca Napoli, Martin Böttcher, Bianca Menchicchi, Umar Raza, Özge Saatci, Angela M Krebs, Fulvia Ferrazzi, Ida Rapa, Katja Dettmer-Wilde, Maximilian J Waldner, Arif B Ekici, Suhail Ahmed Kabeer Rasheed, Dimitrios Mougiakakos, Peter J Oefner, Özgür Şahin, Marco Volante, Florian R Greten, Thomas Brabletz, Paolo Ceppi
Cancer cells alter their metabolism to support their malignant properties. In this study, we report that the glucose-transforming polyol pathway (PP) gene aldo-keto-reductase-1-member-B1 (AKR1B1) strongly correlates with epithelial-to-mesenchymal transition (EMT). This association was confirmed in samples from lung cancer patients and from an EMT-driven colon cancer mouse model with p53 deletion. In vitro, mesenchymal-like cancer cells showed increased AKR1B1 levels, and AKR1B1 knockdown was sufficient to revert EMT...
January 17, 2018: Cancer Research
https://www.readbyqxmd.com/read/29331423/thymidylate-synthase-prompts-metastatic-progression-through-the-dtmp-associated-emt-process-in-pancreatic-ductal-adenocarcinoma
#11
Muxing Kang, Wen Zheng, Qing Chen, Wenjie Qin, Pengping Li, Shifei Huang, Yizhao Zhou, Lantian Wang, Haolei Cai, Wenjie Lu, Biao Jiang, Qingqu Guo, Jian Chen, Dylan Wan, Jianyu Rao, Yulian Wu
As a fundamental metabolic enzyme, anti-Thymidylate synthase (TS) strategy has been shown to be an effective therapy for human cancers. However, the genuine effects of TS in pancreatic ductal adenocarcinoma (PDA) are still conflicting. We systemically assessed the prognostic value and whether TS associated with malignant progression in PDA. Protein and mRNA expression level of TS were evaluated in en bloc PDA samples, the prognostic effect of TS expressed in cytoplasm or cytonuclear was determined separately in the first time...
January 10, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29331414/inhibition-of-fasn-and-er%C3%AE-signalling-during-hyperglycaemia-induced-matrix-specific-emt-promotes-breast-cancer-cell-invasion-via-a-caveolin-1-dependent-mechanism
#12
H A Zielinska, J M P Holly, A Bahl, C M Perks
Since disturbed metabolic conditions such as obesity and diabetes can be critical determinants of breast cancer progression and therapeutic failure, we aimed to determine the mechanism responsible for their pro-oncogenic effects. Using non-invasive, epithelial-like ERα-positive MCF-7 and T47D human breast cancer cells we found that hyperglycaemia induced epithelial to mesenchymal transition (EMT), a key programme responsible for the development of metastatic disease. This was demonstrated by loss of the epithelial marker E-cadherin together with increases in mesenchymal markers such as vimentin, fibronectin and the transcription factor SLUG, together with an enhancement of cell growth and invasion...
January 10, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29321035/dhea-induced-ovarian-hyperfibrosis-is-mediated-by-tgf-%C3%AE-signaling-pathway
#13
Daojuan Wang, Wenqing Wang, Qiao Liang, Xuan He, Yanjie Xia, Shanmei Shen, Hongwei Wang, Qian Gao, Yong Wang
BACKGROUND: The polycystic ovary syndrome (PCOS) is a common metabolic and endocrine disorder with pathological mechanisms remain unclear. The following study investigates the ovarian hyperfibrosis forming via transforming growth factor-β (TGF-β) signaling pathway in Dehydroepiandrosterone (DHEA)- induced polycystic ovary syndrome (PCOS) rat model. We furthermore explored whether TGF-βRI inhibitor (SB431542) decreases ovarian fibrosis by counterbalancing the expression of fibrotic biomarkers...
January 10, 2018: Journal of Ovarian Research
https://www.readbyqxmd.com/read/29299159/lactate-activated-macrophages-induced-aerobic-glycolysis-and-epithelial-mesenchymal-transition-in-breast-cancer-by-regulation-of-ccl5-ccr5-axis-a-positive-metabolic-feedback-loop
#14
Sensen Lin, Li Sun, Xiaodan Lyu, Xiongfei Ai, Danyu Du, Nan Su, Hongyang Li, Luyong Zhang, Jun Yu, Shengtao Yuan
Aberrant energy metabolism is critical for cancer progression. Tumor-associated macrophages (TAMs) can stimulate tumor angiogenesis and enhance cancer metastasis; however, the metabolic interaction between cancer cells and macrophages characterized by lactate shuttles remains unclear. Here, we showed that lactate activated human macrophages to a TAM-like phenotype and stimulated the secretion of CCL5 by activation of Notch signaling in macrophages. Reciprocally, CCL5 increased cell migration, induced cancer cell EMT, and promoted aerobic glycolysis in breast cancer cells, suggesting a positive metabolic feedback loop in the co-culture system...
December 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/29286150/mitochondrial-pyruvate-carrier-modulates-the-epithelial-mesenchymal-transition-in-cholangiocarcinoma
#15
Tomofumi Ohashi, Hidetoshi Eguchi, Koichi Kawamoto, Masamitsu Konno, Ayumu Asai, Hugh Colvin, Yuji Ueda, Hirofumi Takaoka, Yoshifumi Iwagami, Daisaku Yamada, Tadafumi Asaoka, Takehiro Noda, Hiroshi Wada, Kunihito Gotoh, Shogo Kobayashi, Jun Koseki, Taroh Satoh, Kazuhiko Ogawa, Yuichiro Doki, Masaki Mori, Hideshi Ishii
Intrahepatic cholangiocarcinoma (ICC) is known to have a high malignant potential. Because of its high recurrence rate, ICC has a poor prognosis even after complete tumor resection. Compared with normal differentiated cells, cancer cells have an altered metabolism for supporting their survival in severe conditions. Cancer cells acquire additional malignant potential as a result of this metabolic alteration. Thus, the molecules known to be involved in cancer metabolism, could be novel therapeutic targets. The mitochondrial pyruvate carrier (MPC) is a recently discovered pyruvate transporter, which is located in the mitochondrial inner membrane...
December 20, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29285747/potential-role-of-ndrg2-in-reprogramming-cancer-metabolism-and-epithelial-to-mesenchymal-transition
#16
REVIEW
Xiang-Liu Chen, Lan Lei, Lian-Lian Hong, Lian-Lian Ling
Epithelial-to-mesenchymal transition (EMT) allows a cell with epithelial characteristics to transdifferentiate into a cell with mesenchymal characteristics, which is recognized as a key priming event for the initiation and evolvement of cancer metastasis. Accumulating data have shown that aberrant cancer metabolism contributes to the execution of EMT and cancer metastasis through multiple pathological pathways. Recently, the N-MYC downstream-regulated gene 2 (NDRG2), as a tumor suppressor and metabolism-related gene in various cancers, has been widely noted...
December 29, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/29285425/active-maintenance-of-endothelial-cells-prevents-kidney-fibrosis
#17
Seung Hee Yang, Yong Chul Kim, Jung Nam An, Jin Hyuk Kim, Juhoh Lee, Hee-Yoon Lee, Joo-Youn Cho, Jin Ho Paik, Yun Kyu Oh, Chun Soo Lim, Yon Su Kim, Jung Pyo Lee
Background: Soluble epoxide hydrolase (sEH) expressed by endothelial cells catalyzes the metabolism of epoxyeicosatrienoic acids (EETs), which are vasoactive agents. Methods: We used a unilateral ureteral obstruction mouse model of kidney fibrosis to determine whether inhibition of sEH activity reduces fibrosis, the final common pathway for chronic kidney disease. Results: sEH activity was inhibited by continuous release of the inhibitor 12-(3-adamantan-1-ylureido)-dodecanoic acid (AUDA) for 1 or 2 weeks...
December 2017: Kidney Research and Clinical Practice
https://www.readbyqxmd.com/read/29250977/microencapsulated-macrophages-releases-conditioned-medium-able-to-prevent-epithelial-to-mesenchymal-transition
#18
Anna Sola, Laura Saenz Del Burgo, Jesús Ciriza, Rosa Maria Hernandez, Gorka Orive, Jorge Martin Cordero, Priscila Calle, Jose Luis Pedraz, Georgina Hotter
Epithelial to mesenchymal transition (EMT) has emerged as a key process in the development of renal fibrosis. In fact, EMT-derived fibroblasts contribute to the progression of chronic renal disease. In addition, anti-inflammatory M2 macrophages have exhibited a great influence on renal fibrosis. However, because of the high impact that the inputs of different environmental cytokines have on their phenotype, macrophages can easily lose this property. We aim to known if microencapsulated macrophages on M2-inducing alginate matrices could preserve macrophage phenotype and thus release factors able to act on epithelial cells to prevent the epithelial differentiation towards mesenchymal cells...
November 2018: Drug Delivery
https://www.readbyqxmd.com/read/29238913/phthalazinone-pyrazole-enhances-the-hepatic-functions-of-human-embryonic-stem-cell-derived-hepatocyte-like-cells-via-suppression-of-the-epithelial-mesenchymal-transition
#19
Young-Jun Choi, Hyemin Kim, Ji-Woo Kim, Chang-Woo Song, Dae-Sung Kim, Seokjoo Yoon, Han-Jin Park
During liver development, nonpolarized hepatic progenitor cells differentiate into mature hepatocytes with distinct polarity. This polarity is essential for maintaining the intrinsic properties of hepatocytes. The balance between the epithelial-mesenchymal transition (EMT) and mesenchymal-epithelial transition (MET) plays a decisive role in differentiation of polarized hepatocytes. In this study, we found that phthalazinone pyrazole (PP), a selective inhibitor of Aurora-A kinase (Aurora-A), suppressed the EMT during the differentiation of hepatocyte-like cells (HLCs) from human embryonic stem cells...
December 13, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/29228721/dek-promoted-emt-and-angiogenesis-through-regulating-pi3k-akt-mtor-pathway-in-triple-negative-breast-cancer
#20
Yang Yang, Meihua Gao, Zhenhua Lin, Liyan Chen, Yu Jin, Guang Zhu, Yixuan Wang, Tiefeng Jin
Triple-negative breast cancer (TNBC) is a highly aggressive subtype of breast cancer associated with poor prognosis. As an oncogene, DEK involves in regulation of various cellular metabolisms and plays an important role in tumor growth and progression. Increasing evidences suggested that abnormal expression of DEK is closely related to multiple malignant tumors. However, the possible involvement of DEK in epithelial to mesenchymal transition (EMT) and angiogenesis in TNBC remains unclear. In the present study, we revealed that the over-expression of DEK was significantly correlated with clinical stage, differentiation, and lymph node (LN) metastasis of TNBC and indicated poor overall survival of TNBC patients...
November 17, 2017: Oncotarget
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