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NAD+ AND cancer

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https://www.readbyqxmd.com/read/28650465/mcu-dependent-mitochondrial-ca-2-inhibits-nad-sirt3-sod2-pathway-to-promote-ros-production-and-metastasis-of-hcc-cells
#1
T Ren, H Zhang, J Wang, J Zhu, M Jin, Y Wu, X Guo, L Ji, Q Huang, H Zhang, H Yang, J Xing
Mitochondrial Ca(2+) signaling, which is strongly dependent on the mitochondrial Ca(2+) uniporter (MCU) complex, has a series of key roles in physiopathological processes, including energy metabolism, reactive oxygen species (ROS) production and cell apoptosis. However, a mechanistic understanding of how the mitochondrial Ca(2+) signaling is remodeled and its functional roles remains greatly limited in cancers, especially in hepatocellular carcinoma. Here we demonstrated that the MCU complex was dysregulated in hepatocellular carcinoma (HCC) cells and significantly correlated with metastasis and poor prognosis of HCC patients...
June 26, 2017: Oncogene
https://www.readbyqxmd.com/read/28639725/targeting-nad-p-h-quinone-oxidoreductase-nqo1-in-pancreatic-cancer
#2
Anne M Lewis, Matthew Ough, Juan Du, Ming-Sound Tsao, Larry W Oberley, Joseph J Cullen
Quinone oxidoreductase (NQO1) functions as an important part of cellular antioxidant defense by detoxifying quinones, thus preventing the formation of reactive oxygen species. The aims of our study were to determine if NQO1 is elevated in pancreatic cancer specimens and pancreatic cancer cell lines and if so, would compounds previously demonstrated to redox cycle with NQO1 be effective in killing pancreatic cancer cells. Immunohistochemistry of resected pancreatic specimens demonstrated an increased immunoreactivity for NQO1 in pancreatic cancer and pancreatic intraepithelial neoplasia (PanIN) specimens versus normal human pancreas...
July 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28637419/pharmacological-inhibitors-of-nad-biosynthesis-as-potential-anticancer-agents
#3
Stephanie Lucas, Claire Soave, Gazal Nabil, Zainab Ahmed, Guohua Chen, Hossny El-Banna, Q Ping Dou, Jian Wang
BACKGROUND: Alteration of cellular metabolism is a hallmark of cancer, which underlies exciting opportunities to develop effective, anti-cancer therapeutics by targeting through inhibition of cancer metabolism. Nicotinamide adenine dinucleotide (NAD+), an essential coenzyme of energy metabolism and a signaling molecule linking cellular energy status to a spectrum of molecular regulation, has been shown to be in high demand in a variety of cancer cells. Depletion of NAD+ by inhibition of its key biosynthetic enzymes has become an attractive strategy to target cancer...
June 19, 2017: Recent Patents on Anti-cancer Drug Discovery
https://www.readbyqxmd.com/read/28637353/hallmarks-of-pulmonary-hypertension-mesenchymal-and-inflammatory-cell-metabolic-reprogramming
#4
Angelo D'Alessandro, Karim El Kasmi, Lydie Plecita-Hlavata, Petr Jezek, Min Li, Hui Zhang, Sachin A Gupte, Kurt Randall Stenmark
The molecular events that promote the development of pulmonary hypertension (PH) are complex and incompletely understood. The complex interplay between the pulmonary vasculature and its immediate microenvironment involving cells of immune system (i.e. macrophages) promotes a persistent inflammatory state, pathological angiogenesis and fibrosis that is driven by metabolic reprogramming of mesenchymal and immune cells. Consistent with previous findings in the field of cancer metabolism, increased glycolytic rates, incomplete glucose and glutamine oxidation to support anabolism and anaplerosis, altered lipid synthesis/oxidation ratios, increased one-carbon metabolism and activation of the pentose phosphate pathway to support nucleoside synthesis are but some of the key metabolic signatures of vascular cells in PH...
June 22, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28625978/the-alkylating-chemotherapeutic-temozolomide-induces-metabolic-stress-in-idh1-mutant-cancers-and-potentiates-nad-depletion-mediated-cytotoxicity
#5
Kensuke Tateishi, Fumi Higuchi, Julie Miller, Mara V A Koerner, Nina Lelic, Ganesh M Shankar, Shota Tanaka, David E Fisher, Tracy Batchelor, A John Iafrate, Hiroaki Wakimoto, Andrew S Chi, Daniel P Cahill
IDH1-mutant gliomas are dependent upon the canonical coenzyme nicotinamide adenine dinucleotide (NAD+) for survival. It is known that Poly(ADP-ribose) polymerase (PARP) activation consumes NAD+ during base excision repair (BER) of chemotherapy-induced DNA damage. We therefore hypothesized that a strategy combining NAD+ biosynthesis inhibitors with the alkylating chemotherapeutic agent temozolomide (TMZ) could potentiate NAD+ depletion-mediated cytotoxicity in mutant IDH1 cancer cells. To investigate the impact of TMZ on NAD+ metabolism, patient-derived xenografts and engineered mutant IDH1-expressing cell lines were exposed to TMZ, in vitro and in vivo, both alone and in combination with nicotinamide phosphoribosyltransferase (NAMPT) inhibitors, which block NAD+ biosynthesis...
June 16, 2017: Cancer Research
https://www.readbyqxmd.com/read/28613014/raising-the-list-of-sirt7-targets-to-a-new-level
#6
Nicolas G Simonet, Alejandro Vaquero
Sirtuins are crucial proteins involved in sensing and coordinating the response to different forms of stress, mainly through NAD(+) -dependent deacetylation of proteins. For that reason, sirtuins are directly involved in many human pathologies including cancer, diabetes, cardiovascular and neurodegenerative diseases. SirT7, one of the less well-understood sirtuins, has been associated with ribosome biogenesis, gene expression, metabolism and cancer. Despite the wide range of these functions, only a handful of targets for SirT7 have so far been described...
June 14, 2017: Proteomics
https://www.readbyqxmd.com/read/28608874/a-novel-two-photon-fluorescent-probe-with-a-long-stokes-shift-and-a-high-signal-to-background-ratio-for-human-nad-p-h-quinone-oxidoreductase-1-hnqo1-detection-and-imaging-in-living-cells-and-tissues
#7
Dan Pan, Fengyan Luo, Xianjun Liu, Wei Liu, Wen Chen, Feng Liu, Yong-Qing Kuang, Jian-Hui Jiang
In recent years, many activatable fluorescent probes have been developed for hNQO1 detection. However, most of the reported fluorescent probes are susceptible to the interferences of endogenous fluorescence and have the drawback of inadequate penetration depth. Very recently, researchers have reported a two-photon excitation (TPE) fluorescent probe for hNQO1 detection. Nevertheless, this probe only exhibits a compromised signal-to-background ratio, and has not been applied to image hNQO1 in living tissues. Herein, a novel TPE fluorescent probe, trimethyl locked quinone caged Acedan (Q3CA-P), has been developed for hNQO1 detection and imaging in living cells and tissues...
June 13, 2017: Analyst
https://www.readbyqxmd.com/read/28604662/upregulation-of-mitochondrial-nad-levels-impairs-the-clonogenicity-of-ssea1-glioblastoma-tumor-initiating-cells
#8
Myung Jin Son, Jae-Sung Ryu, Jae Yun Kim, Youjeong Kwon, Kyung-Sook Chung, Seon Ju Mun, Yee Sook Cho
Emerging evidence has emphasized the importance of cancer therapies targeting an abnormal metabolic state of tumor-initiating cells (TICs) in which they retain stem cell-like phenotypes and nicotinamide adenine dinucleotide (NAD(+)) metabolism. However, the functional role of NAD(+) metabolism in regulating the characteristics of TICs is not known. In this study, we provide evidence that the mitochondrial NAD(+) levels affect the characteristics of glioma-driven SSEA1(+) TICs, including clonogenic growth potential...
June 9, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28601431/serine-and-functional-metabolites-in-cancer
#9
REVIEW
Alice C Newman, Oliver D K Maddocks
Folate metabolism functions to supply one-carbon units that are vital for a range of biochemical reactions. Cancer cells can utilise serine as a major source of one-carbon units, rendering them dependent upon extracellular serine uptake or de novo serine synthesis for maximal growth and proliferation. One-carbon units are required for the production of critical cellular components, such as nucleotides, which enable cancer cells to maintain high proliferate rates. Of recent interest, one-carbon metabolism contributes to the biosynthesis and recycling of functional metabolites, such as ATP, S-adenosyl-methionine (SAM), and NAD(P)H, with important downstream consequences for cancer cell survival...
June 7, 2017: Trends in Cell Biology
https://www.readbyqxmd.com/read/28599455/downregulation-of-nad-p-h-quinone-oxidoreductase-1-inhibits-proliferation-cell-cycle-and-migration-of-cholangiocarcinoma-cells
#10
Siriwoot Butsri, Veerapol Kukongviriyapan, Laddawan Senggunprai, Sarinya Kongpetch, Ponsilp Zeekpudsa, Auemduan Prawan
We previously reported that upregulation of NAD(P)H:quinone oxidoreductase 1 (NQO1) in cholangiocarcinoma (CCA; a fatal bile duct cancer) was associated with poor prognosis. It was also demonstrated that the suppression of NQO1 was able to enhance the chemosensitivity of CCA cells. In the present study, in order to elucidate the biological role of NQO1 in CCA, the effects of small interfering RNA (siRNA)-mediated knockdown of NQO1 on cell proliferation, cell cycle and migration were determined in KKU-100 CCA cells, which notably expressed NQO1...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28591737/characteristics-of-ovarian-cancer-detection-by-a-near-infrared-fluorescent-probe-activated-by-human-nad-p-h-quinone-oxidoreductase-isozyme-1-hnqo1
#11
Yuko Nakamura, Zhenhua Shen, Toshiko Harada, Tadanobu Nagaya, Kazuhide Sato, Shuhei Okuyama, Fusa Ogata, Peter L Choyke, Robin L McCarley, Hisataka Kobayashi
Near-infrared (NIR) fluorescent probes are ideal for in vivo imaging, because they offer deeper tissue penetration by the light and lower background autofluorescence than fluorophores that emit in the visible range. Q3STCy is a newly synthesized, NIR light-emitting probe that is activated by an enzyme commonly overexpressed in tumor cells, human nicotinamide adenine dinucleotide (phosphate): quinone oxidoreductase isozyme 1, known as hNQO1 or DT-diaphorase. The purpose of this study is to compare the sensitivity of detecting peritoneal ovarian cancer metastasis (POCM) with Q3STCy and gGlu-HMRG, a green fluorescent probe, upon their surface application...
May 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28590049/chromatographic-analysis-of-tryptophan-metabolites
#12
REVIEW
Ilona Sadok, Andrzej Gamian, Magdalena Maria Staniszewska
The kynurenine pathway generates multiple tryptophan metabolites called collectively kynurenines and leads to formation of the enzyme co-factor NAD. The first step in this pathway is tryptophan degradation, initiated by the rate-limiting enzymes indoleamine 2,3-dioxygenase or tryptophan 2,3-dioxygenase, depending on the tissue. The balanced kynurenine metabolism, which has been a subject of multiple studies in last decades, plays an important role in several physiological and pathological conditions such as infections, autoimmunity, neurological disorders, cancer, cataracts, as well as pregnancy...
June 7, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28569777/the-novel-hypoxia-inducible-factor-1%C3%AE-inhibitor-idf-11774-regulates-cancer-metabolism-thereby-suppressing-tumor-growth
#13
Hyun Seung Ban, Bo-Kyung Kim, Hongsub Lee, Hwan Mook Kim, Dipesh Harmalkar, Miso Nam, Song-Kyu Park, Kiho Lee, Joon-Tae Park, Inhyub Kim, Kyeong Lee, Geum-Sook Hwang, Misun Won
HIF-1 is associated with poor prognoses and therapeutic resistance in cancer patients. We previously developed a novel hypoxia-inducible factor (HIF)-1 inhibitor, IDF-11774, a clinical candidate for cancer therapy. We also reported that IDF-1174 inhibited HSP70 chaperone activity and suppressed accumulation of HIF-1α. In this study, IDF-11774 inhibited the accumulation of HIF-1α in vitro and in vivo in colorectal carcinoma HCT116 cells under hypoxic conditions. Moreover, IDF-11774 treatment suppressed angiogenesis of cancer cells by reducing the expression of HIF-1 target genes, reduced glucose uptake, thereby sensitizing cells to growth under low glucose conditions, and decreased the extracellular acidification rate (ECAR) and oxygen consumption rate of cancer cells...
June 1, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28558019/overexpression-of-the-human-dek-oncogene-reprograms-cellular-metabolism-and-promotes-glycolysis
#14
Marie C Matrka, Miki Watanabe, Ranjithmenon Muraleedharan, Paul F Lambert, Andrew N Lane, Lindsey E Romick-Rosendale, Susanne I Wells
The DEK oncogene is overexpressed in many human malignancies including at early tumor stages. Our reported in vitro and in vivo models of squamous cell carcinoma have demonstrated that DEK contributes functionally to cellular and tumor survival and to proliferation. However, the underlying molecular mechanisms remain poorly understood. Based on recent RNA sequencing experiments, DEK expression was necessary for the transcription of several metabolic enzymes involved in anabolic pathways. This identified a possible mechanism whereby DEK may drive cellular metabolism to enable cell proliferation...
2017: PloS One
https://www.readbyqxmd.com/read/28548481/isolation-of-phenotypically-distinct-cancer-cells-using-nanoparticle-mediated-sorting
#15
Brenda J Green, Leyla Kermanshah, Mahmoud Labib, Sharif U Ahmed, Pamuditha N Silva, Laili Mahmoudian, I-Hsin Chang, Reza M Mohamadi, Jonathan V Rocheleau, Shana O Kelley
Isolating subpopulations of heterogeneous cancer cells is an important capability for the meaningful characterization of circulating tumor cells at different stages of tumor progression and during the epithelial-to-mesenchymal transition. Here, we present a microfluidic device that can separate phenotypically distinct subpopulations of cancer cells. Magnetic nanoparticles coated with antibodies against the epithelial cell adhesion molecule (EpCAM) are used to separate breast cancer cells in the microfluidic platform...
June 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28545714/anticystogenic-activity-of-a-small-molecule-pak4-inhibitor-may-be-a-novel-treatment-for-autosomal-dominant-polycystic-kidney-disease
#16
Vicki J Hwang, Xia Zhou, Xiaonan Chen, Josephine Trott, Omran Abu Aboud, Kyuhwan Shim, Lai Kuan Dionne, Kenneth J Chmiel, William Senapedis, Erkan Baloglu, Moe R Mahjoub, Xiaogang Li, Robert H Weiss
Autosomal Dominant Polycystic Kidney Disease (ADPKD) is a common hereditary renal disease with no currently available targeted therapies. Based on the established connection between β-catenin signaling and renal ciliopathies, and on data from our and other laboratories showing striking similarities of this disease and cancer, we evaluated the use of an orally bioavailable small molecule, KPT-9274 (a dual inhibitor of the protein kinase PAK4 and nicotinamide phosphoribosyl transferase), for treatment of ADPKD...
May 23, 2017: Kidney International
https://www.readbyqxmd.com/read/28543772/parp-inhibitor-rucaparib-induces-changes-in-nad-levels-in-cells-and-liver-tissues-as-assessed-by-mrs
#17
Gilberto S Almeida, Carlo M Bawn, Martin Galler, Ian Wilson, Huw D Thomas, Suzanne Kyle, Nicola J Curtin, David R Newell, Ross J Maxwell
Poly(adenosine diphosphate ribose) polymerases (PARPs) are multifunctional proteins which play a role in many cellular processes. Namely, PARP1 and PARP2 have been shown to be involved in DNA repair, and therefore are valid targets in cancer treatment with PARP inhibitors, such as rucaparib, currently in clinical trials. Proton magnetic resonance spectroscopy ((1) H-MRS) was used to study the impact of rucaparib in vitro and ex vivo in liver tissue from mice, via quantitative analysis of nicotinamide adenosine diphosphate (NAD(+) ) spectra, to assess the potential of MRS as a biomarker of the PARP inhibitor response...
May 22, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28537923/aldehyde-dehydrogenase-1a1-increases-nadh-levels-and-promotes-tumor-growth-via-glutathione-dihydrolipoic-acid-dependent-nad-reduction
#18
Baiyun Wang, Xue Chen, Zixi Wang, Wei Xiong, Tao Xu, Xinyuan Zhao, Yang Cao, Yanru Guo, Lin Li, She Chen, Song Huang, Xiaodong Wang, Min Fang, Zhirong Shen
Aldehyde dehydrogenase 1A1 (ALDH1A1) is a member of the aldehyde dehydrogenase superfamily that oxidizes aldehydes to their corresponding acids, reactions that are coupled to the reduction of NAD+ to NADH. We report here that ALDH1A1 can also use glutathione (GSH) and dihydrolipoic acid (DHLA) as electron donors to reduce NAD+ to NADH. The GSH/DHLA-dependent NAD+-reduction activity of ALDH1A1 is not affected by the aldehyde dehydrogenase inhibitor or by mutation of the residues in its aldehyde-binding pocket...
May 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28529598/biological-interaction-of-cigarette-smoking-on-the-association-between-genetic-polymorphisms-involved-in-inflammation-and-the-risk-of-lung-cancer-a-case-control-study-in-japan
#19
Yuzo Yamamoto, Chikako Kiyohara, Saiko Suetsugu-Ogata, Naoki Hamada, Yoichi Nakanishi
Chronic inflammation serves an important role in lung carcinogenesis, thus genetic polymorphisms involved in this pathway may affect the risk of lung cancer. The present case-control study focused on the association between lung cancer risk and genetic polymorphisms involved in inflammatory pathways. The study comprised 462 lung cancer cases and 379 controls from Japan. The roles of interleukin 8 (IL8) rs4073, nuclear factor kappa B (NFκB) rs28362491, cytochrome b-245, alpha polypeptide (CYBA) rs4673, NAD(P) H dehydrogenase, quinone 1 (NQO1) rs1800566, nitric oxide synthase 2 and inducible (NOS2) rs2297518 polymorphisms in lung carcinogenesis were investigated...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28527050/interplay-between-sirt-3-metabolism-and-its-tumor-suppressor-role-in-hepatocellular-carcinoma
#20
REVIEW
Serena De Matteis, Anna Maria Granato, Roberta Napolitano, Chiara Molinari, Martina Valgiusti, Daniele Santini, Francesco Giuseppe Foschi, Giorgio Ercolani, Umberto Vespasiani Gentilucci, Luca Faloppi, Mario Scartozzi, Giovanni Luca Frassineti, Andrea Casadei Gardini
Sirtuins (SIRT), first described as nicotinamide adenine dinucleotide (NAD(+))-dependent type III histone deacetylases, are produced by cells to support in the defense against chronic stress conditions such as metabolic syndromes, neurodegeneration, and cancer. SIRT-3 is one of the most studied members of the mitochondrial sirtuins family. In particular, its involvement in metabolic diseases and its dual role in cancer have been described. In the present review, based on the evidence of SIRT-3 involvement in metabolic dysfunctions, we aimed to provide an insight into the multifaceted role of SIRT-3 in many solid and hematological tumors with a particular focus on hepatocellular carcinoma (HCC)...
May 19, 2017: Digestive Diseases and Sciences
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