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Warburg effect

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https://www.readbyqxmd.com/read/28433662/iron-and-thiol-redox-signaling-in-cancer-an-exquisite-balance-to-escape-ferroptosis
#1
REVIEW
Shinya Toyokuni, Fumiya Ito, Kyoko Yamashita, Yasumasa Okazaki, Shinya Akatsuka
Epidemiological data indicate a constant worldwide increase in cancer mortality, although the age of onset is increasing. Recent accumulation of genomic data on human cancer via next-generation sequencing confirmed that cancer is a disease of genome alteration. In many cancers, the Nrf2 transcription system is activated via mutations either in Nrf2 or Keap1 ubiquitin ligase, leading to persistent activation of the genes with antioxidative functions. Furthermore, deep sequencing of passenger mutations is clarifying responsible cancer causative agent(s) in each case, including aging, APOBEC activation, smoking and UV...
April 19, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28427560/stress-adaptive-response-in-ovarian-cancer-drug-resistance-role-of-trap1-in-oxidative-metabolism-driven-inflammation
#2
Maria Rosaria Amoroso, Danilo Swann Matassa, Ilenia Agliarulo, Rosario Avolio, Francesca Maddalena, Valentina Condelli, Matteo Landriscina, Franca Esposito
Metabolic reprogramming is one of the most frequent stress-adaptive response of cancer cells to survive environmental changes and meet increasing nutrient requirements during their growth. These modifications involve cellular bioenergetics and cross talk with surrounding microenvironment, in a dynamic network that connect different molecular processes, such as energy production, inflammatory response, and drug resistance. Even though the Warburg effect has long been considered the main metabolic feature of cancer cells, recent reports identify mitochondrial oxidative metabolism as a driving force for tumor growth in an increasing number of cellular contexts...
2017: Advances in Protein Chemistry and Structural Biology
https://www.readbyqxmd.com/read/28425973/edim-tktl1-apo10-blood-test-an-innate-immune-system-based-liquid-biopsy-for-the-early-detection-characterization-and-targeted-treatment-of-cancer
#3
REVIEW
Johannes F Coy
Epitope detection in monocytes (EDIM) represents a liquid biopsy exploiting the innate immune system. Activated monocytes (macrophages) phagocytose unwanted cells/cell fragments from the whole body including solid tissues. As they return to the blood, macrophages can be used for a non-invasive detection of biomarkers, thereby providing high sensitivity and specificity, because the intracellular presence of biomarkers is due to an innate immune response. Flow cytometry analysis of blood enables the detection of macrophages and phagocytosed intracellular biomarkers...
April 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28423551/metabolic-reprogramming-of-the-premalignant-colonic-mucosa-is-an-early-event-in-carcinogenesis
#4
Mart Dela Cruz, Sarah Ledbetter, Sanjib Chowdhury, Ashish K Tiwari, Navneet Momi, Ramesh K Wali, Charles Bliss, Christopher Huang, David Lichtenstein, Swati Bhattacharya, Anisha Varma-Wilson, Vadim Backman, Hemant K Roy
BACKGROUND: Colorectal cancer (CRC) is the second leading cause of cancer-related mortality in the United States. There is an increasing need for the identification of biomarkers of pre-malignant and early stage CRC to improve risk-stratification and screening recommendations. In this study, we investigated the possibility of metabolic and mitochondrial reprogramming early in the pre-malignant colorectal field. METHODS: Rectal biopsies were taken from 81 patients undergoing screening colonoscopy, and gene expression of metabolic and mitochondrial markers were assessed using real time quantitative PCR...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28419250/enhanced-glycolysis-regulated-by-hif-1%C3%AE-via-mct-4-promotes-inflammation-in-arsenite-induced-carcinogenesis
#5
Fei Luo, Zhonglan Zou, Xinlu Liu, Min Ling, Qingling Wang, Qi Wang, Lu Lu, Le Shi, Yonglian Liu, Qizhan Liu, Aihua Zhang
Arsenite is well established as a human carcinogen, but the molecular mechanisms leading to arsenite-induced carcinogenesis are complex and elusive. Accelerated glycolysis, a common process in tumor cells called the Warburg effect, is associated with various biological phenomena. However, the role of glycolysis induced by arsenite is unknown. We have found that, with chronic exposure to arsenite, L-02 cells undergo a metabolic shift to glycolysis. In liver cells exposed to arsenite, hypoxia inducible factor-1α (HIF-1α) and monocarboxylate transporter-4 (MCT-4) are over-expressed...
April 17, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28414314/cell-competition-with-normal-epithelial-cells-promotes-apical-extrusion-of-transformed-cells-through-metabolic%C3%A2-changes
#6
Shunsuke Kon, Kojiro Ishibashi, Hiroto Katoh, Sho Kitamoto, Takanobu Shirai, Shinya Tanaka, Mihoko Kajita, Susumu Ishikawa, Hajime Yamauchi, Yuta Yako, Tomoko Kamasaki, Tomohiro Matsumoto, Hirotaka Watanabe, Riku Egami, Ayana Sasaki, Atsuko Nishikawa, Ikumi Kameda, Takeshi Maruyama, Rika Narumi, Tomoko Morita, Yoshiteru Sasaki, Ryosuke Enoki, Sato Honma, Hiromi Imamura, Masanobu Oshima, Tomoyoshi Soga, Jun-Ichi Miyazaki, Michael R Duchen, Jin-Min Nam, Yasuhito Onodera, Shingo Yoshioka, Junichi Kikuta, Masaru Ishii, Masamichi Imajo, Eisuke Nishida, Yoichiro Fujioka, Yusuke Ohba, Toshiro Sato, Yasuyuki Fujita
Recent studies have revealed that newly emerging transformed cells are often apically extruded from epithelial tissues. During this process, normal epithelial cells can recognize and actively eliminate transformed cells, a process called epithelial defence against cancer (EDAC). Here, we show that mitochondrial membrane potential is diminished in RasV12-transformed cells when they are surrounded by normal cells. In addition, glucose uptake is elevated, leading to higher lactate production. The mitochondrial dysfunction is driven by upregulation of pyruvate dehydrogenase kinase 4 (PDK4), which positively regulates elimination of RasV12-transformed cells...
April 17, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28410193/metabolic-targeting-of-egfrviii-pdk1-axis-in-temozolomide-resistant-glioblastoma
#7
Kiran K Velpula, Maheedhara R Guda, Kamlesh Sahu, Jack Tuszynski, Swapna Asuthkar, Sarah E Bach, Justin D Lathia, Andrew J Tsung
Glioblastomas are characterized by amplification of EGFR. Approximately half of tumors with EGFR over-expression also express a constitutively active ligand independent EGFR variant III (EGFRvIII). While current treatments emphasize surgery followed by radiation and chemotherapy with Temozolomide (TMZ), acquired chemoresistance is a universal feature of recurrent GBMs. To mimic the GBM resistant state, we generated an in vitro TMZ resistant model and demonstrated that dichloroacetate (DCA), a metabolic inhibitor of pyruvate dehydrogenase kinase 1 (PDK1), reverses the Warburg effect...
March 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28405929/thermodynamics-in-cancers-opposing-interactions-between-ppar-gamma-and-the-canonical-wnt-beta-catenin-pathway
#8
REVIEW
Yves Lecarpentier, Victor Claes, Alexandre Vallée, Jean-Louis Hébert
Cancer cells are the site of numerous metabolic and thermodynamic abnormalities. We focus this review on the interactions between the canonical WNT/beta-catenin pathway and peroxisome proliferator-activated receptor gamma (PPAR gamma) in cancers and their implications from an energetic and metabolic point of view. In numerous tissues, PPAR gamma activation induces inhibition of beta-catenin pathway, while the activation of the canonical WNT/beta-catenin pathway inactivates PPAR gamma. In most cancers but not all, PPAR gamma is downregulated while the WNT/beta-catenin pathway is upregulated...
December 2017: Clinical and Translational Medicine
https://www.readbyqxmd.com/read/28404750/human-adenine-nucleotide-translocases-physically-and-functionally-interact-with-respirasomes
#9
Ya-Wen Lu, Michelle Grace Acoba, Kandasamy Selvaraju, Tai-Chung Huang, Raja S Nirujogi, Gajanan Sathe, Akhilesh Pandey, Steven M Claypool
Members of the adenine nucleotide translocase (ANT) family exchange ADP for ATP across the mitochondrial inner membrane, an activity that is essential for oxidative phosphorylation (OXPHOS). Mutations in or dysregulation of ANTs is associated with progressive external ophthalmoplegia, cardiomyopathy, non-syndromic intellectual disability, apoptosis and the Warburg effect. Binding partners of human ANTs have not been systematically identified. The absence of such information has prevented a detailed molecular understanding of the assorted ANT-associated diseases including insight into their disparate phenotypic manifestations...
April 12, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28402949/revisit-18f-fluorodeoxyglucose-oncology-positron-emission-tomography-systems-molecular-imaging-of-glucose-metabolism
#10
REVIEW
Baozhong Shen, Tao Huang, Yingying Sun, Zhongnan Jin, Xiao-Feng Li
18F-fluorodeoxyglucose (18F-FDG) positron emission tomography has become an important tool for detection, staging and management of many types of cancer. Oncology application of 18F-FDG bases on the knowledge that increase in glucose demand and utilization is a fundamental features of cancer. Pasteur effect, Warburg effect and reverse Warburg effect have been used to explain glucose metabolism in cancer. 18F-FDG accumulation in cancer is reportedly microenvironment-dependent, 18F-FDG avidly accumulates in poorly proliferating and hypoxic cancer cells, but low in well perfused (and proliferating) cancer cells...
March 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28400131/linking-tumor-glycolysis-and-immune-evasion-in-cancer-emerging-concepts-and-therapeutic-opportunities
#11
REVIEW
Shanmugasundaram Ganapathy-Kanniappan
Metabolic reprogramming and immune evasion are two hallmarks of cancer. Metabolic reprogramming is exemplified by cancer's propensity to utilize glucose at an exponential rate which in turn is linked with "aerobic glycolysis", popularly known as the "Warburg effect". Tumor glycolysis is pivotal for the efficient management of bioenergetics and uninterrupted cancer growth. Mounting evidence suggests that tumor glycolysis also plays a key role in instigating immunosuppressive networks that are critical for cancer cells to escape immune surveillance ("immune evasion")...
April 8, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28394358/mage-trim28-complex-promotes-the-warburg-effect-and-hepatocellular-carcinoma-progression-by-targeting-fbp1-for-degradation
#12
X Jin, Y Pan, L Wang, L Zhang, R Ravichandran, P R Potts, J Jiang, H Wu, H Huang
Hepatocellular carcinoma (HCC) is one of the leading cause of cancer death in the world. Fructose-1,6-biphosphatase (FBP1), a rate-limiting enzyme in gluconeogenesis, has been identified recently as a tumor suppressor in HCC and other cancer types. In this study, we demonstrated that the tripartite motif-containing protein 28 (TRIM28) binds directly to and promotes FBP1 for ubiquitination and degradation. MAGE-A3 and MAGE-C2, which are known to be overexpressed in HCC, can enhance TRIM28-dependent degradation of FBP1 by forming ubiquitin ligase complexes with TRIM28...
April 10, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28390001/defective-glycolysis-and-the-use-of-2-deoxy-d-glucose-in-polycystic-kidney-disease-from-animal-models-to-humans
#13
REVIEW
Riccardo Magistroni, Alessandra Boletta
Autosomal dominant polycystic kidney disease (ADPKD) is an inherited renal disease characterized by bilateral renal cyst formation. ADPKD is one of the most common rare disorders, accounting for ~10% of all patients with end-stage renal disease (ESRD). ADPKD is a chronic disorder in which the gradual expansion of cysts that form in a minority of nephrons eventually causes loss of renal function due to the compression and degeneration of the surrounding normal parenchyma. Numerous deranged pathways have been identified in the cyst-lining epithelia, prompting the design of potential therapies...
April 7, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28386333/microrna-150-regulates-glycolysis-by-targeting-von-hippel-lindau-in-glioma-cells
#14
Shi-Jie Li, Hong-Lin Liu, Shi-Lei Tang, Xiao-Juan Li, Xiao-Yin Wang
Warburg effect, characterized by enhanced glycolysis and lactate production, even under aerobic conditions, is one of the hallmarks of cancer cells. However, the mechanism underlying this phenomenon remains poorly understood. Previous studies have shown that microRNA-150 (miR-150) is significantly up-regulated in various malignancies and represents a putative onco-miRNA in human cancers. In the present study, we aim to investigate the functional significance and molecular target of miR-150 in glioma. As a result, von Hippel-Lindau (VHL), which is a specific E3 ligase for hypoxia inducible factor 1 (HIF1α), was identified as a novel target of miR-150...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28385528/mannose-conjugated-platinum-complexes-reveals-effective-tumor-targeting-mediated-by-glucose-transporter-1
#15
Ran Liu, Hong Li, Xiangqian Gao, Qian Mi, Hongxia Zhao, Qingzhi Gao
Despite numerous studies that report the glucose derived glycoconjugates as antitumor candidates, using mannose as sugar motif for specific tumor targeting remains less studied. In this research, two novel mannose-conjugated platinum complexes 4a and 4b that target the Warburg effect were designed, synthesized and evaluated for their antitumor activities in vitro and in vivo. Compared with oxaliplatin, both complexes exhibited substantial enhancement in water solubility as well as excellent or comparative cytotoxicity in six human cancer cell lines...
April 3, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28381161/down-regulation-of-adenosine-monophosphate-activated-protein-kinase-activity-a-driver-of-cancer
#16
REVIEW
Xiaoling He, Cong Li, Rong Ke, Lingyu Luo, Deqiang Huang
Adenosine monophosphate-activated protein kinase (AMPK), a serine/threonine protein kinase, is known as "intracellular energy sensor and regulator." AMPK regulates multiple cellular processes including protein and lipid synthesis, cell proliferation, invasion, migration, and apoptosis. Moreover, AMPK plays a key role in the regulation of "Warburg effect" in cancer cells. AMPK activity is down-regulated in most tumor tissues compared with the corresponding adjacent paracancerous or normal tissues, indicating that the decline in AMPK activity is closely associated with the development and progression of cancer...
April 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28380435/mir-145-negatively-regulates-warburg-effect-by-silencing-klf4-and-ptbp1-in-bladder-cancer-cells
#17
Koichiro Minami, Kohei Taniguchi, Nobuhiko Sugito, Yuki Kuranaga, Teruo Inamoto, Kiyoshi Takahara, Tomoaki Takai, Yuki Yoshikawa, Satoshi Kiyama, Yukihiro Akao, Haruhito Azuma
The Warburg effect is a well-known feature in cancer-specific metabolism. We previously reported on the role of microRNA (miR)-145 as a tumor-suppressor in human bladder cancer (BC) cells. In this study, we reveal that miR-145 decreases the Warburg effect by silencing KLF4 in BC cells. The expression levels of miR-145 were significantly lower in clinical BC samples and BC cell lines compared to those in normal tissues and HUC cells. Luciferase assay results showed that miR-145 directly bound to 3'UTR of KLF4, which was shown to be overexpressed in the clinical BC samples using Western blot analysis and immunohistochemistry...
March 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28378811/inhibition-of-pyruvate-kinase-m2-markedly-reduces-chemoresistance-of-advanced-bladder-cancer-to-cisplatin
#18
Xing Wang, Fenglin Zhang, Xue-Ru Wu
Chemoresistance to cisplatin is a principal cause of treatment failure and mortality of advanced bladder cancer (BC). The underlying mechanisms remain unclear, which hinders the development of preventive strategies. Recent data indicate that pyruvate kinase M2 (PKM2), a glycolytic enzyme for Warburg effect, is strongly upregulated in BC. This study explores the role of PKM2 in chemoresistance and whether inhibiting PKM2 augments the chemosensitivity to cisplatin and reduces BC growth and progression. We found that Shikonin binds PKM2 and inhibits BC cell survival in a dose-dependent but pyruvate kinase activity-independent manner...
April 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28375672/ultrastructural-characterization-of-the-mitochondria-associated-membranes-abnormalities-in-human-astrocytomas-functional-and-therapeutics-implications
#19
Arismendi-Morillo Gabriel, Castellano-Ramírez Alan, Seyfried Thomas N
Mitochondria-associated membranes (MAMs) are currently considered an intracellular organelle "hot spot" for the intracellular signaling. MAMs are thought to function in cellular energy homeostasis, apoptosis, and calcium signaling. MAM ultrastructure in surgical specimens from human astrocytic neoplasms was studied. Abnormalities in respect to density, length, and width were found. Poorly differentiated glioma like-stem cells deficient in MAM and well-differentiated glioma cells abundant in MAM were observed...
April 4, 2017: Ultrastructural Pathology
https://www.readbyqxmd.com/read/28370718/m2-like-macrophage-polarization-in-high-lactic-acid-producing-head-and-neck-cancer
#20
Toshimitsu Ohashi, Mitsuhiro Aoki, Hiroyuki Tomita, Takashi Akazawa, Katsuya Sato, Bunya Kuze, Keisuke Mizuta, Akira Hara, Hitoshi Nagaoka, Norimitsu Inoue, Yatsuji Ito
Reprogramming of glucose metabolism in tumor cells is referred to as the Warburg effect and results in increased lactic acid secretion into the tumor microenvironment. We have previously shown that lactic acid has important roles as a proinflammatory and immunosuppressive mediator and promotes tumor progression. In this study, we examined the relationship between the lactic acid concentration and expression of lactate dehydrogenase-A (LDHA) and glucose transporter-1 (GLUT1), which are related to the Warburg effect, in human head and neck squamous cell carcinoma (HNSCC)...
April 1, 2017: Cancer Science
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