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Metabolic reprogramming

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https://www.readbyqxmd.com/read/27913195/breast-cancer-derived-extracellular-vesicles-stimulate-myofibroblast-differentiation-and-pro-angiogenic-behavior-of-adipose-stem-cells
#1
REVIEW
Young Hye Song, Christine Warncke, Sung Jin Choi, Siyoung Choi, Aaron E Chiou, Lu Ling, Han-Yuan Liu, Susan Daniel, Marc A Antonyak, Richard A Cerione, Claudia Fischbach
Adipose-derived stem cells (ASCs) are abundantly present in the mammary microenvironment and can promote breast cancer malignancy by differentiating into myofibroblasts. However, it remains largely unclear which role tumor-derived extracellular vesicles (TEVs) play in this process. Here, we used microfabricated, type I collagen-based 3-D tissue culture platforms to investigate the effect of breast cancer cell-derived TEVs on ASCs myofibroblast differentiation and consequential changes in extracellular matrix remodeling and vascular sprouting...
November 29, 2016: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/27911865/mitochondrial-pyruvate-carrier-function-is-negatively-linked-to-warburg-phenotype-in-vitro-and-malignant-features-in-esophageal-squamous-cell-carcinomas
#2
Yaqing Li, Xiaoran Li, Quancheng Kan, Mingzhi Zhang, Xiaoli Li, Ruiping Xu, Junsheng Wang, Dandan Yu, Mariusz Adam Goscinski, Jian-Guo Wen, Jahn M Nesland, Zhenhe Suo
Aerobic glycolysis is one of the emerging hallmarks of cancer cells. In this study, we investigated the relationship between blocking mitochondrial pyruvate carrier (MPC) with MPC blocker UK5099 and the metabolic alteration as well as aggressive features of esophageal squamous carcinoma. It was found that blocking pyruvate transportation into mitochondria attenuated mitochondrial oxidative phosphorylation (OXPHOS) and triggered aerobic glycolysis, a feature of Warburg effect. In addition, the HIF-1α expression and ROS production were also activated upon UK5099 application...
November 30, 2016: Oncotarget
https://www.readbyqxmd.com/read/27911861/pyruvate-kinase-m2-pkm2-expression-correlates-with-prognosis-in-solid-cancers-a-meta-analysis
#3
Haiyan Zhu, Hui Luo, Xuejie Zhu, Xiaoli Hu, Lihong Zheng, Xueqiong Zhu
Pyruvate kinase M2 (PKM2) is the key enzyme in the Warburg effect and plays a central role in cancer cell metabolic reprogramming. Recently, quite a few studies have investigated the correlation between PKM2 expression and prognosis in multiple cancer patients, but results were inconsistent. We therefore performed a meta-analysis to explore the prognostic value of PKM2 expression in patients with solid cancer. Here twenty-seven individual studies from 25 publications with a total of 4796 cases were included to explore the association between PKM2 and overall survival (OS) or disease-free survival (DFS)/ progression-free survival (PFS)/ recurrent-free survival (RFS) in subjects with solid cancer...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27911732/the-warburg-effect-80-years-on
#4
REVIEW
Michelle Potter, Emma Newport, Karl J Morten
Influential research by Warburg and Cori in the 1920s ignited interest in how cancer cells' energy generation is different from that of normal cells. They observed high glucose consumption and large amounts of lactate excretion from cancer cells compared with normal cells, which oxidised glucose using mitochondria. It was therefore assumed that cancer cells were generating energy using glycolysis rather than mitochondrial oxidative phosphorylation, and that the mitochondria were dysfunctional. Advances in research techniques since then have shown the mitochondria in cancer cells to be functional across a range of tumour types...
October 15, 2016: Biochemical Society Transactions
https://www.readbyqxmd.com/read/27906710/who-s-your-daddy-paternal-inheritance-of-metabolic-disease-risk
#5
Elvira Isganaitis, Harumi Suehiro, Connie Cardona
PURPOSE OF REVIEW: Although the importance of optimizing mothers' health prior to conception and during pregnancy is now well accepted, recent data also implicate health and nutritional status of fathers as contributors to chronic disease risk in their progeny. This brief review will highlight recent epidemiological and experimental studies linking paternal overnutrition, undernutrition, and other forms of stress, to metabolic disease in the offspring. RECENT FINDINGS: The past 2 years have brought tremendous insights into the mechanisms by which paternal exposures can contribute to disease susceptibility in the next generation...
November 30, 2016: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/27903739/homocysteine-activates-b-cells-via-regulating-pkm2-dependent-metabolic-reprogramming
#6
Jiacheng Deng, Silin Lü, Huiying Liu, Bo Liu, Changtao Jiang, Qingbo Xu, Juan Feng, Xian Wang
The overactivation of immune cells plays an important role in the pathogenesis of hyperhomocysteinemia (HHcy)-accelerated atherosclerosis. Homocysteine (Hcy) activates B cell proliferation and Ab secretion; however, the underlying mechanisms for these effects remain largely unknown. Metabolic reprogramming is critical for lymphocyte activation and effector function. In this study, we showed that Hcy-activated B cells displayed an increase in both oxidative phosphorylation and glycolysis, with a tendency to shift toward the latter, as well as an accumulation of intermediates in the pentose phosphate pathway, to provide energy and biosynthetic substrates for cell growth and function...
November 30, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27901044/fatty-acid-metabolic-reprogramming-via-mtor-mediated-inductions-of-ppar%C3%AE-directs-early-activation-of-t-cells
#7
Mulki Angela, Yusuke Endo, Hikari K Asou, Takeshi Yamamoto, Damon J Tumes, Hirotake Tokuyama, Koutaro Yokote, Toshinori Nakayama
To fulfil the bioenergetic requirements for increased cell size and clonal expansion, activated T cells reprogramme their metabolic signatures from energetically quiescent to activated. However, the molecular mechanisms and essential components controlling metabolic reprogramming in T cells are not well understood. Here, we show that the mTORC1-PPARγ pathway is crucial for the fatty acid uptake programme in activated CD4(+) T cells. This pathway is required for full activation and rapid proliferation of naive and memory CD4(+) T cells...
November 30, 2016: Nature Communications
https://www.readbyqxmd.com/read/27898069/clozapine-modifies-the-differentiation-program-of-human-adipocytes-inducing-browning
#8
E Kristóf, Q-M Doan-Xuan, A K Sárvári, Á Klusóczki, P Fischer-Posovszky, M Wabitsch, Z Bacso, P Bai, Z Balajthy, L Fésüs
Administration of second-generation antipsychotic drugs (SGAs) often leads to weight gain and consequent cardio-metabolic side effects. We observed that clozapine but not six other antipsychotic drugs reprogrammed the gene expression pattern of differentiating human adipocytes ex vivo, leading to an elevated expression of the browning marker gene UCP1, more and smaller lipid droplets and more mitochondrial DNA than in the untreated white adipocytes. Laser scanning cytometry showed that up to 40% of the differentiating single primary and Simpson-Golabi-Behmel syndrome (SGBS) adipocytes had the characteristic morphological features of browning cells...
November 29, 2016: Translational Psychiatry
https://www.readbyqxmd.com/read/27897982/maternal-fructose-intake-affects-transcriptome-changes-and-programmed-hypertension-in-offspring-in-later-life
#9
REVIEW
You-Lin Tain, Julie Y H Chan, Chien-Ning Hsu
Hypertension originates from early-life insults by so-called "developmental origins of health and disease" (DOHaD). Studies performed in the previous few decades indicate that fructose consumption is associated with an increase in hypertension rate. It is emerging field that tends to unfold the nutrient-gene interactions of maternal high-fructose (HF) intake on the offspring which links renal programming to programmed hypertension. Reprogramming interventions counteract disturbed nutrient-gene interactions induced by maternal HF intake and exert protective effects against developmentally programmed hypertension...
November 25, 2016: Nutrients
https://www.readbyqxmd.com/read/27890797/3-bromopyruvate-treatment-induces-alterations-of-metabolic-and-stress-related-pathways-in-glioblastoma-cells
#10
Davide Chiasserini, Magdalena Davidescu, Pier Luigi Orvietani, Federica Susta, Lara Macchioni, Maya Petricciuolo, Emilia Castigli, Rita Roberti, Luciano Binaglia, Lanfranco Corazzi
: Glioblastoma (GBM) is the most common and aggressive brain tumours of adults. The metabolic phenotype of GBM cells is highly dependent on glycolysis; therefore, therapeutic strategies aimed at interfering with glycolytic pathways are under consideration. 3-Bromopyruvate (3BP) is a potent antiglycolytic agent, with a variety of targets and possible effects on global cell metabolism. Here we analyzed the changes in protein expression on a GBM cell line (GL15 cells) caused by 3BP treatment using a global proteomic approach...
November 23, 2016: Journal of Proteomics
https://www.readbyqxmd.com/read/27888796/altered-dna-methylation-in-neonates-born-large-for-gestational-age-is-associated-with-cardiometabolic-risk-in-children
#11
Xian-Hua Lin, Dan-Dan Wu, Ling Gao, Jun-Yu Zhang, Hai-Tao Pan, Hui Wang, Cheng Li, Ping Zhang, Meng-Xi Guo, Yan-Ting Wu, Ya-Jing Tan, Li Jin, Yu-Qian Xiang, Ju-Xue Li, Jian-Zhong Sheng, He-Feng Huang
BACKGROUND: Infants being born Large-for-gestational-age (LGA) are prone to developing cardiometabolic disease. However, the underlying mechanisms remain unclear. RESULTS: Clinical investigation showed that children born LGA had significantly higher serum level of total cholesterol (TC), low-density lipoprotein-cholesterol (LDL-c), and insulin, ratio of TC/high-density lipoprotein-cholesterol (HDL-c) compared to children born appropriate for gestational age (AGA)...
November 18, 2016: Oncotarget
https://www.readbyqxmd.com/read/27888287/wnt-signaling-and-cellular-metabolism-in-osteoblasts
#12
REVIEW
Courtney M Karner, Fanxin Long
The adult human skeleton is a multifunctional organ undergoing continuous remodeling. Homeostasis of bone mass in a healthy adult requires an exquisite balance between bone resorption by osteoclasts and bone formation by osteoblasts; disturbance of such balance is the root cause for various bone disorders including osteoporosis. To develop effective and safe therapeutics to modulate bone formation, it is essential to elucidate the molecular mechanisms governing osteoblast differentiation and activity. Due to their specialized function in collagen synthesis and secretion, osteoblasts are expected to consume large amounts of nutrients...
November 26, 2016: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/27885260/nitric-oxide-triggers-a-transient-metabolic-reprogramming-in-arabidopsis
#13
José León, Álvaro Costa, Mari-Cruz Castillo
Nitric oxide (NO) regulates plant growth and development as well as responses to stress that enhanced its endogenous production. Arabidopsis plants exposed to a pulse of exogenous NO gas were used for untargeted global metabolomic analyses thus allowing the identification of metabolic processes affected by NO. At early time points after treatment, NO scavenged superoxide anion and induced the nitration and the S-nitrosylation of proteins. These events preceded an extensive though transient metabolic reprogramming at 6 h after NO treatment, which included enhanced levels of polyamines, lipid catabolism and accumulation of phospholipids, chlorophyll breakdown, protein and nucleic acid turnover and increased content of sugars...
November 25, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27882349/the-airway-epithelium-undergoes-metabolic-reprogramming-in-individuals-at-high-risk-for-lung-cancer
#14
S M Jamshedur Rahman, Xiangming Ji, Lisa J Zimmerman, Ming Li, Bradford K Harris, Megan D Hoeksema, Irina A Trenary, Yong Zou, Jun Qian, Robbert J C Slebos, Jennifer Beane, Avrum Spira, Yu Shyr, Rosana Eisenberg, Daniel C Liebler, Jamey D Young, Pierre P Massion
The molecular determinants of lung cancer risk remain largely unknown. Airway epithelial cells are prone to assault by risk factors and are considered to be the primary cell type involved in the field of cancerization. To investigate risk-associated changes in the bronchial epithelium proteome that may offer new insights into the molecular pathogenesis of lung cancer, proteins were identified in the airway epithelial cells of bronchial brushing specimens from risk-stratified individuals by shotgun proteomics...
November 17, 2016: JCI Insight
https://www.readbyqxmd.com/read/27881075/modelling-microbial-metabolic-rewiring-during-growth-in-a-complex-medium
#15
Marco Fondi, Emanuele Bosi, Luana Presta, Diletta Natoli, Renato Fani
BACKGROUND: In their natural environment, bacteria face a wide range of environmental conditions that change over time and that impose continuous rearrangements at all the cellular levels (e.g. gene expression, metabolism). When facing a nutritionally rich environment, for example, microbes first use the preferred compound(s) and only later start metabolizing the other one(s). A systemic re-organization of the overall microbial metabolic network in response to a variation in the composition/concentration of the surrounding nutrients has been suggested, although the range and the entity of such modifications in organisms other than a few model microbes has been scarcely described up to now...
November 24, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27880067/cell-proliferation-downregulated-by-tgf-%C3%AE-2-triggered-g1-s-checkpoint-in-clinical-cafs
#16
Jinliang Wu, Rong Fu, Xiaolei Huang, Yang Xue, Yan Xu, Jiangmin Zhao, Jun Mi
The metabolic reprogramming is indispensible for the fast growth of tumor cells. The metabolism of CAFs is reprogrammed to aerobic glycolysis too. However, it is not clear whether this metabolic reprogramming promotes the growth of CAFs themselves. In this study, we found that the proliferation rate of CAFs was slower than NAFs, which was determined by cell counting, BrdU assay and flow cytometry analysis. Moreover, we found TGF-β signaling regulated cell growth of CAF through RNA-sequencing analysis and Western blot, which was further supported by the observation that TGF-β2 was highly expressed in colon cancer tissues...
November 23, 2016: Cell Cycle
https://www.readbyqxmd.com/read/27879288/multi-omics-analysis-of-serum-samples-demonstrates-reprogramming-of-organ-functions-via-systemic-calcium-mobilization-and-platelet-activation-in-metastatic-melanoma
#17
Besnik Muqaku, Martin Eisninger, Samuel M Meier, Ammar Tahir, Tobias Prokop, Sebastian Haferkamp, Astrid Slany, Albrecht Reichle, Christopher Gerner
Pathophysiologies of cancer-associated syndroms such as cachexia are poorly understood and no routine biomarkers have been established, yet. Using shotgun proteomics, known marker molecules including PMEL, CRP, SAA and CSPG4 were found deregulated in patients with metastatic melanoma. Targeted analysis of 58 selected proteins with multiple reaction monitoring was applied for independent data verification. In three patients, two of which suffered from cachexia, a tissue damage signature was determined, consisting of nine proteins, PLTP, CD14, TIMP1, S10A8, S10A9, GP1BA, PTPRJ, CD44 and C4A, as well as increased levels of glycine and asparagine, and decreased levels of polyunsaturated phosphatidylcholine concentrations, as determined by targeted metabolomics...
November 22, 2016: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/27879277/eukaryotic-translation-initiation-factor-5a2-promotes-metabolic-reprogramming-in-hepatocellular-carcinoma-cells
#18
Ting-Ting Cao, Shu-Hai Lin, Li Fu, Zhi Tang, Chi-Ming Che, Li-Yi Zhang, Xiao-Yan Ming, Teng-Fei Liu, Xu-Ming Tang, Bin-Bin Tan, Di Xiang, Feng Li, On-Yee Chan, Dan Xie, Zongwei Cai, Xin-Yuan Guan
Reprogramming of intracellular metabolism is common in liver cancer cells. Understanding the mechanisms of cell metabolic reprogramming may present a new basis for liver cancer treatment. In our previous study we reported that a novel oncogene eukaryotic translation initiation factor 5A2 (EIF5A2) promotes tumorigenesis under hypoxic condition. Here, we aim to investigate the role of EIF5A2 in cell metabolic reprogramming during hepatocellular carcinoma (HCC) development. In this study, we reported that the mRNA level of EIF5A2 was up-regulated in 59/105 (56...
November 22, 2016: Carcinogenesis
https://www.readbyqxmd.com/read/27878287/pdk1-promotes-tumor-cell-proliferation-and-migration-by-enhancing-the-warburg-effect-in-non-small-cell-lung-cancer
#19
Tao Liu, Honglei Yin
Tumor cells prefer glycolysis (Warburg effect) during the proliferation and metastasis. The precise mechanism remains largely unknown. Here, we demonstrated that pyruvate dehydrogenase kinase 1 (PDK1) was a critical enzyme that functioned as an oncogene to promote non-small cell lung cancer (NSCLC) growth and metastasis. We discovered that PDK1 expression was significantly upregulated in NSCLC tissues and correlated with advanced T stage. Moreover, high expression of PDK1 was an independent prognostic factor of NSCLC...
November 16, 2016: Oncology Reports
https://www.readbyqxmd.com/read/27877182/insights-from-the-cold-transcriptome-and-metabolome-of-dendrobium-officinale-global-reprogramming-of-metabolic-and-gene-regulation-networks-during-cold-acclimation
#20
Zhi-Gang Wu, Wu Jiang, Song-Lin Chen, Nitin Mantri, Zheng-Ming Tao, Cheng-Xi Jiang
Plant cold acclimation (CA) is a genetically complex phenomenon involving gene regulation and expression. Little is known about the cascading pattern of gene regulatroy network and the link between genes and metabolites during CA. Dendrobium officinale (DOKM) is an important medicinal and ornamental plant and hypersensitive to low temperature. Here, we used the large scale metabolomic and transcriptomic technologies to reveal the response to CA in DOKM seedlings based on the physiological profile analyses. Lowering temperature from 4 to -2°C resulted in significant increase (P < 0...
2016: Frontiers in Plant Science
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