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EMT metabolism

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https://www.readbyqxmd.com/read/29048621/irisin-reverses-the-il-6-induced-epithelial-mesenchymal-transition-in-osteosarcoma-cell-migration-and-invasion-through-the-stat3-snail-signaling-pathway
#1
Gang Kong, Yunpeng Jiang, Xiujiang Sun, Zhilin Cao, Guodong Zhang, Zhongyuan Zhao, Yong Zhao, Qian Yu, Gong Cheng
As a novel discovered myokine, irisin is considered to be a promising candidate for the treatment of metabolic disorders and cancer. However, little is known about the anti-metastasic effect of irisin on osteosarcoma cells and its underlying mechanisms. In the present study, we aimed to explore the effect of irisin on the migration and invasion of osteosarcoma cells and the underlying mechanisms involved. Viability and proliferation of osteosarcoma cells were examined by MTT assay. Then, by using scratch wound healing assay and Transwell assays, we evaluated migratory and invasive ability of the cells, respectively...
September 20, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29043713/bioorthogonal-chemical-imaging-of-metabolic-changes-during-epithelial-mesenchymal-transition-of-cancer-cells-by-stimulated-raman-scattering-microscopy
#2
Luyuan Zhang, Wei Min
Study of metabolic changes during epithelial-mesenchymal transition (EMT) of cancer cells is important for basic understanding and therapeutic management of cancer progression. We here used metabolic labeling and stimulated Raman scattering (SRS) microscopy, a strategy of bioorthogonal chemical imaging, to directly visualize changes in anabolic metabolism during cancer EMT at a single-cell level. MCF-7 breast cancer cell is employed as a model system. Four types of metabolites (amino acids, glucose, fatty acids, and choline) are labeled with either deuterium or alkyne (C≡C) tag...
October 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/29032117/salvia-miltiorrhiza-protects-adenine-induced-chronic-renal-failure-by-regulating-the-metabolic-profiling-and-modulating-the-nadph-oxidase-ros-erk-and-tgf-%C3%AE-smad-signaling-pathways
#3
Hongdie Cai, Shulan Su, Yonghui Li, Huiting Zeng, Zhenhua Zhu, Jianming Guo, Yue Zhu, Sheng Guo, Li Yu, Dawei Qian, Yuping Tang, Jinao Duan
ETHNOPHARMACOLOGICAL RELEVANCE: Chronic renal failure (CRF) is defined as a progressive and irreversible loss of renal function and associated with inflammation and oxidative stress. Salvia miltiorrhiza (SM) is an important Chinese herb used in traditional Chinese medicine with notable effects on CRF. It significantly inhibited the elevation of serum creatinine (Scr), blood urea nitrogen (BUN) and urine protein (UP) in adenine-induced CRF rats, while the action mechanism need to be illuminated deeply...
October 11, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29026202/loss-of-abhd5-promotes-the-aggressiveness-of-prostate-cancer-cells
#4
Guohua Chen, Guoli Zhou, Siddhesh Aras, Zhenhui He, Stephanie Lucas, Izabela Podgorski, Wael Skar, James G Granneman, Jian Wang
The accumulation of neutral lipids in intracellular lipid droplets has been associated with the formation and progression of many cancers, including prostate cancer (PCa). Alpha-beta Hydrolase Domain Containing 5 (ABHD5) is a key regulator of intracellular neutral lipids that has been recently identified as a tumor suppressor in colorectal cancer, yet its potential role in PCa has not been investigated. Through mining publicly accessible PCa gene expression datasets, we found that ABHD5 gene expression is markedly decreased in metastatic castration-resistant PCa (mCRPC) samples...
October 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29025375/dopamine-induced-sult1a3-4-promotes-emt-and-cancer-stemness-in-hepatocellular-carcinoma
#5
Juan Zou, Hong Li, Qianling Huang, Xiaomin Liu, Xiaoxiao Qi, Ying Wang, Linlin Lu, Zhongqiu Liu
Hepatocellular carcinoma has the second highest incidence rate among malignant cancers in China. Hepatocellular carcinoma development is complex because of the metabolism disequilibrium involving SULT1A3/4, a predominant sulfotransferase that metabolizes sulfonic xenobiotics and endogenous catecholamines. However, the correlation between SULT1A3/4 and hepatocellular carcinoma progression is unclear. By utilizing immunofluorescence and immunohistochemical analysis, we found that in nine hepatocellular carcinoma clinical specimens, SULT1A3/4 was abundantly expressed in tumor tissues compared to that in the adjacent tissues...
October 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28981199/microrna-661-modulates-redox-and-metabolic-homeostasis-in-colon-cancer
#6
Marta Gómez de Cedrón, Rebeca Acín Pérez, Ruth Sánchez-Martínez, Susana Molina, Jesús Herranz, Jaime Feliu, Guillermo Reglero, Jose Antonio Enríquez, Ana Ramírez de Molina
Cancer cell survival and metastasis are dependent on metabolic reprogramming that is capable of increasing resistance to oxidative and energetic stress. Targeting these two processes can be crucial for cancer progression. Herein, we describe the role of microRNA-661 (miR661) as epigenetic regulator of colon cancer (CC) cell metabolism. miR661 induces a global increase in reactive oxygen species (ROS), specifically in mitochondrial superoxide anions (SO(-) ), which appears to be mediated by decreased carbohydrate metabolism and pentose phosphate pathway, and by a higher dependency on mitochondrial respiration...
October 5, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28938541/differential-expression-of-circulating-biomarkers-of-tumor-phenotype-and-outcomes-in-previously-treated-non-small-cell-lung-cancer-patients-receiving-erlotinib-vs-cytotoxic-chemotherapy
#7
Mary Jo Fidler, Casey Frankenberger, Richard Seto, Gabriela C Lobato, Cristina L Fhied, Selina Sayidine, Sanjib Basu, Mark Pool, Reem Karmali, Marta Batus, Wen-Rong Lie, David Hayes, Jehangir Mistry, Philip Bonomi, Jeffrey A Borgia
BACKGROUND: The objective of this study was to identify serum biomarkers capable of predicting clinical outcomes in previously-treated NSCLC patients with wild-type for EGFR activating mutations or insufficient tissue for mutation status determination. METHODS: Sixty-six Luminex immunoassays representative of biological themes that emerged from a re-analysis of transcriptome data from the Cancer Genome Atlas (TCGA) were evaluate against pretreatment serum specimens from previously-treated advanced NSCLC patients received either cytotoxic chemotherapy (n=32) or erlotinib (n=79)...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28928869/hes1-promotes-colorectal-cancer-cell-resistance-to-5-fu-by-inducing-of-emt-and-abc-transporter-proteins
#8
Lei Sun, Jia Ke, Zhen He, Zexian Chen, Qinghua Huang, Wenjia Ai, Guoqiang Wang, Yisheng Wei, Xiangcai Zou, Shi Zhang, Ping Lan, Chuyuan Hong
Background and Aim: Hairy enhancer of split-1 (HES1) is a downstream transcriptional factor of Notch signaling pathway, which was found to be related to chemoresistance. This study was aimed to investigate the role of HES1 in chemoresistance of colorectal cancer (CRC). Methods: Tissue microarray was used to analyze the clinical significance of HES1 in radical resected (R0) stage II/III CRC patients that received adjuvant chemotherapy. 5-fluorouracil (5-Fu) chemoresistance was examined in CRC cell lines (RKO and HCT8, LOVO) with stable over-expression and inhibition of HES1 gene by cytotoxicity test...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28874504/proteome-analysis-of-hypoxic-glioblastoma-cells-reveals-sequential-metabolic-adaptation-nbsp-of-one-carbon-metabolic-pathways
#9
Kangling Zhang, Pei Xu, James L Sowers, Daniel F Machuca, Barsam Mirfattah, Jason Herring, Hui Tang, Yan Chen, Bing Tian, Allan R Brasier, Lawrence C Sowers
Rapidly proliferating tumors are exposed to a hypoxic microenvironment due to their density, high metabolic consumption, and interruptions in blood flow due to immature angiogenesis. Cellular responses to hypoxia promote highly malignant and metastatic behavior, as well as a chemotherapy-resistant state. In order to better understand the complex relationships between hypoxic adaptations and cancer progression, we studied the dynamic proteome responses of glioblastoma cells exposed to hypoxia via an innovative approach: quantification of newly synthesized proteins using heavy stable-isotope arginine labeling combined with accurate assessment of cell replication by quantification of the light/heavy arginine ratio of peptides in histone H4...
September 5, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28874393/top1mt-deficiency-promotes-gc-invasion-and-migration-via-the-enhancements-of-ldha-expression-and-aerobic-glycolysis
#10
Hongqiang Wang, Rui Zhou, Li Sun, Jianling Xia, Xuchun Yang, Changqie Pan, Na Huang, Min Shi, Jianping Bin, Yulin Liao, Wangjun Liao
Aerobic glycolysis plays an important role in cancer progression. New target genes regulating cancer aerobic glycolysis must be explored to improve patient prognosis. Mitochondrial topoisomerase I (TOP1MT) deficiency suppresses glucose oxidative metabolism but enhances glycolysis in normal cells. Here, we examined the role of TOP1MT in gastric cancer (GC) and attempted to determine the underlying mechanism. Using in vitro and in vivo experiments and analyzing the clinicopathological characteristics of patients with GC, we found that TOP1MT expression was lower in GC samples than in adjacent nonmalignant tissues...
November 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28859238/lipocalin-2-negatively-regulates-cell-proliferation-and-emt-through-changing-metabolic-gene-expression-in-colorectal-cancer
#11
Se-Lim Kim, Soo Teik Lee, In Suk Min, Young Ran Park, Ju Hyung Lee, Dae-Ghon Kim, Sang-Wook Kim
Lipocalin 2 (LCN2), a member of the lipocalin superfamily, plays an important role in oncogenesis and progression in various types of cancer. However, the expression pattern and functional role of LCN2 in colorectal cancer (CRC) is still poorly understood. The purpose of this study was to investigate whether LCN2 is associated with proliferation and the epithelial-mesenchymal transition (EMT) in CRC and to elucidate the underlying signaling pathways. LCN2 was preferentially expressed in CRC cells compared to normal tissues...
August 31, 2017: Cancer Science
https://www.readbyqxmd.com/read/28833104/low-folate-metabolic-stress-reprograms-dna-methylation-activated-sonic-hedgehog-signaling-to-mediate-cancer-stem-cell-like-signatures-and-invasive-tumour-stage-specific-malignancy-of-human-colorectal-cancers
#12
Hsin-Chun Feng, Jhuan-Yu Lin, Shu-Han Hsu, Wen-Yu Lan, Chang-Sheng Kuo, Yu-Feng Tian, Ding-Ping Sun, Rwei-Fen Syu Huang
The mechanistic role of colonic low folate metabolic stress (LFMS) in colorectal cancer (CRC) malignancy development remains unknown. Folate analysis on the 99 paired human CRC tissues localized LFMS to the deep invasive T3/T4 staged tumours with hypo-methylated sonic hedgehog (Shh) promoter region and amplified expressions of Shh ligand and Gli1 effectors, which coincided with deregulated expressions of the epithelial-mesenchymal transition (EMT) mediators. Colonic folate levels of CR were inversely correlated with pluripotent expressions of the SOX2, NANOG and OCT4 markers (P < 0...
August 22, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28832662/oxygen-dependent-regulation-of-tumor-growth-and-metastasis-in-human-breast-cancer-xenografts
#13
Kristine Yttersian Sletta, Maria K Tveitarås, Ning Lu, Agnete S T Engelsen, Rolf K Reed, Annette Garmann-Johnsen, Linda Stuhr
BACKGROUND: Tumor hypoxia is relevant for tumor growth, metabolism, resistance to chemotherapy and metastasis. We have previously shown that hyperoxia, using hyperbaric oxygen treatment (HBOT), attenuates tumor growth and shifts the phenotype from mesenchymal to epithelial (MET) in the DMBA-induced mammary tumor model. This study describes the effect of HBOT on tumor growth, angiogenesis, chemotherapy efficacy and metastasis in a triple negative MDA-MB-231 breast cancer model, and evaluates tumor growth using a triple positive BT-474 breast cancer model...
2017: PloS One
https://www.readbyqxmd.com/read/28819582/relationship-of-metabolic-alterations-and-pd-l1-expression-in-cisplatin-resistant-lung-cancer
#14
M Wangpaichitr, H Kandemir, Y Y Li, C Wu, Djm Nguyen, L G Feun, M T Kuo, N Savaraj
Despite numerous reports on immune checkpoint inhibitor for the treatment of non-small cell lung cancer (NSCLC), the response rate remains low but durable. Thus cisplatin still plays a major role in the treatment of NSCLC. While there are many mechanisms involved in cisplatin resistance, alteration in metabolic phenotypes with elevated levels of reactive oxygen species (ROS) are found in several cisplatin resistant tumors. These resistant cells become more reliant on mitochondria oxidative metabolism instead of glucose...
June 2017: Cell & Developmental Biology
https://www.readbyqxmd.com/read/28776197/long-term-exposure-of-immortalized-keratinocytes-to-arsenic-induces-emt-impairs-differentiation-in-organotypic-skin-models-and-mimics-aspects-of-human-skin-derangements
#15
R Weinmuellner, K Kryeziu, B Zbiral, K Tav, B Schoenhacker-Alte, D Groza, L Wimmer, M Schosserer, F Nagelreiter, S Rösinger, M Mildner, E Tschachler, M Grusch, J Grillari, P Heffeter
Arsenic is one of the most important human carcinogens and environmental pollutants. However, the evaluation of the underlying carcinogenic mechanisms is challenging due to the lack of suitable in vivo and in vitro models, as distinct interspecies differences in arsenic metabolism exist. Thus, it is of high interest to develop new experimental models of arsenic-induced skin tumorigenesis in humans. Consequently, aim of this study was to establish an advanced 3D model for the investigation of arsenic-induced skin derangements, namely skin equivalents, built from immortalized human keratinocytes (NHEK/SVTERT3-5)...
August 3, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28774727/reprogramming-to-developmental-plasticity-in-cancer-stem-cells
#16
REVIEW
Caitlin O'Brien-Ball, Adrian Biddle
During development and throughout adult life, sub-populations of cells exist that exhibit phenotypic plasticity - the ability to differentiate into multiple lineages. This behaviour is important in embryogenesis, is exhibited in a more limited context by adult stem cells, and can be re-activated in cancer cells to drive important processes underlying tumour progression. A well-studied mechanism of phenotypic plasticity is the epithelial-to-mesenchymal transition (EMT), a process which has been observed in both normal and cancerous cells...
October 15, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28774348/epithelial-to-mesenchymal-transition-in-fhc-silenced-cells-the-role-of-cxcr4-cxcl12-axis
#17
I Aversa, F Zolea, C Ieranò, S Bulotta, A M Trotta, M C Faniello, C De Marco, D Malanga, F Biamonte, G Viglietto, G Cuda, S Scala, F Costanzo
BACKGROUND: Ferritin plays a central role in the intracellular iron metabolism; the molecule is a nanocage of 24 subunits of the heavy and light types. The heavy subunit (FHC) is provided of a ferroxidase activity and thus performs the key transformation of iron in a non-toxic form. Recently, it has been shown that FHC is also involved in additional not iron-related critical pathways including, among the others, p53 regulation, modulation of oncomiRNAs expression and chemokine signalling...
August 3, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28745316/elevation-of-adenylate-energy-charge-by-angiopoietin-like-4-enhances-epithelial-mesenchymal-transition-by-inducing-14-3-3%C3%AE-expression
#18
Z Teo, M K Sng, J S K Chan, M M K Lim, Y Li, L Li, T Phua, J Y H Lee, Z W Tan, P Zhu, N S Tan
Metastatic cancer cells acquire energy-intensive processes including increased invasiveness and chemoresistance. However, how the energy demand is met and the molecular drivers that coordinate an increase in cellular metabolic activity to drive epithelial-mesenchymal transition (EMT), the first step of metastasis, remain unclear. Using different in vitro and in vivo EMT models with clinical patient's samples, we showed that EMT is an energy-demanding process fueled by glucose metabolism-derived adenosine triphosphate (ATP)...
July 24, 2017: Oncogene
https://www.readbyqxmd.com/read/28724942/physiological-oxygen-tension-reduces-hepatocyte-dedifferentiation-in-in-vitro-culture
#19
Ren Guo, Xinxiu Xu, Yuting Lu, Xin Xie
Primary hepatocytes cultured in vitro are a powerful tool to study the functions of hepatocytes and to evaluate the metabolism and toxicity of new drugs. However, in vitro culture of hepatocytes has proven to be very difficult. Ordinary culture conditions lead to dedifferentiation of hepatocytes, resulting in rapid change in cell morphology and significant reduction in specific cell functions. In the current study, we show that hepatocyte dedifferentiation is a rapid process under 21% O2 conditions. Hepatocytes cultured in 21% O2 undergo epithelial-to-mesenchymal transition (EMT), obtain fibroblast-like morphology, and show decreased hepatic functions...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28722313/cellular-glycosylation-senses-metabolic-changes-and-modulates-cell-plasticity-during-epithelial-to-mesenchymal-transition
#20
Patricia Carvalho-Cruz, Frederico Alisson-Silva, Adriane R Todeschini, Wagner B Dias
Epithelial to mesenchymal transition (EMT) is a developmental program reactivated by tumor cells that leads to the switch from epithelial to mesenchymal phenotype. During EMT, cells are transcriptionally regulated to decrease E-cadherin expression while expressing mesenchymal markers such as vimentin, fibronectin, and N-cadherin. Growing body of evidences suggest that cells engaged in EMT undergo a metabolic reprograming process, redirecting glucose flux toward hexosamine biosynthesis pathway (HBP), which fuels aberrant glycosylation patterns that are extensively observed in cancer cells...
July 19, 2017: Developmental Dynamics: An Official Publication of the American Association of Anatomists
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