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Very N, El Yazidi-Belkoura I. Targeting O-GlcNAcylation to overcome resistance to anti-cancer therapies. Front Oncol 2022; 12:960312. [PMID: 36059648 PMCID: PMC9428582 DOI: 10.3389/fonc.2022.960312] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 07/19/2022] [Indexed: 12/14/2022] Open
Abstract
In cancer cells, metabolic reprogramming is associated with an alteration of the O-GlcNAcylation homeostasis. This post-translational modification (PTM) that attaches O-GlcNAc moiety to intracellular proteins is dynamically and finely regulated by the O-GlcNAc Transferase (OGT) and the O-GlcNAcase (OGA). It is now established that O-GlcNAcylation participates in many features of cancer cells including a high rate of cell growth, invasion, and metastasis but little is known about its impact on the response to therapies. The purpose of this review is to highlight the role of O-GlcNAc protein modification in cancer resistance to therapies. We summarize the current knowledge about the crosstalk between O-GlcNAcylation and molecular mechanisms underlying tumor sensitivity/resistance to targeted therapies, chemotherapies, immunotherapy, and radiotherapy. We also discuss potential benefits and strategies of targeting O-GlcNAcylation to overcome cancer resistance.
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Affiliation(s)
- Ninon Very
- Université de Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | - Ikram El Yazidi-Belkoura
- Université de Lille, CNRS, UMR 8576-UGSF-Unité de Glycobiologie Structurale et Fonctionnelle, Lille, France
- *Correspondence: Ikram El Yazidi-Belkoura,
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2
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Biomarkers of Trifluridine-Tipiracil Efficacy. J Clin Med 2021; 10:jcm10235568. [PMID: 34884270 PMCID: PMC8658167 DOI: 10.3390/jcm10235568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 11/21/2021] [Accepted: 11/25/2021] [Indexed: 11/17/2022] Open
Abstract
Trifluridine/tipiracil (TAS-102) is a newer generation chemotherapy that has been approved for the later-line treatment of metastatic colorectal and gastric/gastroesophageal adenocarcinomas. The oral drug provides a modest benefit of prolongation of survival over placebo in pretreated patients with these cancers with acceptable toxicity. Studies have shown rare objective responses (2-4%), and the disease control rates were 44% in both colorectal and gastric cancer randomized trials. Thus, the majority of patients progress through treatment and are burdened by toxicities. To better characterize the sub-group of patients with a higher probability of benefit from trifluridine/tipiracil, predictive biomarkers have been sought using data from randomized trials as well as from non-randomized trials and real-world series. Biomarkers examined include clinical characteristics of the patients, laboratory tests, and tumor derived biomarkers. These studies show that early neutropenia on treatment, and ratios of leukocyte subsets, are potential biomarkers able to predict trifluridine/tipiracil benefit. Combinations of laboratory values and clinical characteristics and proteins involved in trifluridine transport and activation have been examined with initial positive results.
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3
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Saito Y, Takekuma Y, Yuki S, Komatsu Y, Sugawara M. Hypertriglyceridemia Induced by Fluorouracil: A Novel Case Report. Case Rep Oncol 2021; 14:207-211. [PMID: 33776705 PMCID: PMC7983629 DOI: 10.1159/000512820] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 10/27/2020] [Indexed: 01/27/2023] Open
Abstract
We had previously reported on S-1-induced hypertriglyceridemia. Here, we report fluorouracil-induced hypertriglyceridemia in a patient with capecitabine-induced hypertriglyceridemia and the corresponding therapeutic process. A woman in her forties who had experienced grade 3 hypertriglyceridemia due to oxaliplatin + capecitabine was administered fluorouracil ± oxaliplatin + levofolinate calcium + panitumumab; however, grade 4 hypertriglyceridemia occurred after the thirteenth administration. Bezafibrate normalized the elevation. Chemotherapy cessation resulted in its decrease to normal, and bezafibrate was stopped. Nine months after cessation, treatment with fluorouracil + irinotecan + levofolinate calcium + ramucirumab was initiated. After four cycles of treatment, her serum triglyceride levels increased again to grade 3, and then, fenofibrate was administered, resulting in a significant decrease to grade 1-2. Serum triglyceride levels significantly reduced after cessation of the prior fluorouracil-containing regimen, although its elevation was observed again following the latter treatment. Therefore, fluorouracil-induced hypertriglyceridemia was strongly speculated in this case. We have speculated that the most probable cause of tegafur and capecitabine-induced hypertriglyceridemia is fluorouracil or its metabolic enzymes since their end product is fluorouracil in the previous report. Results from this patient suggest that our supposition was correct. Fibrates administration, cessation of the treatment, and monitoring of serum triglyceride level was effective in this case as well as previous reports. Fluorouracil-induced hypertriglyceridemia is associated with the one caused by tegafur and capecitabine and presents the possibility of severe complications. Elucidation of its exact mechanism and epidemiological features is needed for better understanding.
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Affiliation(s)
- Yoshitaka Saito
- Department of Pharmacy, Hokkaido University Hospital, Sapporo, Japan
| | - Yoh Takekuma
- Department of Pharmacy, Hokkaido University Hospital, Sapporo, Japan
| | - Satoshi Yuki
- Department of Gastroenterology and Hepatology, Hokkaido University Hospital, Sapporo, Japan
| | | | - Mitsuru Sugawara
- Department of Pharmacy, Hokkaido University Hospital, Sapporo, Japan.,Laboratory of Pharmacokinetics, Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan
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4
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Saito Y, Takekuma Y, Komatsu Y, Sugawara M. Hypertriglyceridemia induced by S-1: A novel case report and review of the literature. J Oncol Pharm Pract 2020; 27:1020-1025. [PMID: 32936722 DOI: 10.1177/1078155220956691] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
INTRODUCTION S-1, a compounding agent of tegafur, gimeracil, and oteracil potassium, is one of the most effective chemotherapeutic agents for colorectal cancer. In this case, following S-1 administration, we observed predominant elevation of serum triglyceride. CASE REPORT A 49-year-old man with stage IV transverse colon adenocarcinoma received S-1 + irinotecan + bevacizumab. At the end of the S-1 administration period in every course, his serum triglyceride level was found to be elevated. Finally, it reached grade 4, without any symptoms of acute pancreatitis in the fifth course, and fenofibrate 80 mg once a day was administered.Management & outcome: Interestingly, the elevation spontaneously normalized without any pharmacotherapy 14 days after S-1 withdrawal, and this elevation did not occur when S-1 was not administered. Further, fenofibrate administration attenuated the hypertriglyceridemia to grades 1-3, with no complications. DISCUSSION S-1 administration induced hypertriglyceridemia owing to the elevated serum triglyceride; however, a contrasting result was observed in the S-1 withdrawal period and during the S-1-cessation cycle. Since dietary intake was poorer during the S-1 administration period, it is considered that S-1 might have disturbed lipid metabolism. Further, we know that capecitabine, which is a prodrug of fluorouracil, also induces hypertriglyceridemia. As the end product of these medicines is fluorouracil, the presence of fluorouracil or its metabolizing enzymes, the genetic background of the patient might have affected the results. We have to be aware of the risk of asymptomatic and temporal occurrence of hypertriglyceridemia by S-1 administration for the early detection with appropriate pre-emptive treatment.
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Affiliation(s)
- Yoshitaka Saito
- Department of Pharmacy, Hokkaido University Hospital, Sapporo, Japan
| | - Yoh Takekuma
- Department of Pharmacy, Hokkaido University Hospital, Sapporo, Japan
| | | | - Mitsuru Sugawara
- Department of Pharmacy, Hokkaido University Hospital, Sapporo, Japan.,Laboratory of Pharmacokinetics, Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan
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5
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Fortuna A, Costa PJ, Piedade MFM, Conceição Oliveira M, Xavier NM. Synthesis of Triazole-Containing Furanosyl Nucleoside Analogues and Their Phosphate, Phosphoramidate or Phoshonate Derivatives as Potential Sugar Diphosphate or Nucleotide Mimetics. Chempluschem 2020; 85:1676-1691. [PMID: 32757384 DOI: 10.1002/cplu.202000424] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 07/16/2020] [Indexed: 12/21/2022]
Abstract
The synthesis of stable and potentially bioactive xylofuranosyl nucleoside analogues and potential sugar diphosphate or nucleotide mimetics comprising a 1,2,3-triazole moiety is reported. 3'-O-Methyl-branched N-benzyltriazole isonucleosides were accessed in 5-7 steps and 42-54 % overall yields using a Cu(I)-catalyzed cycloaddition of 3-O-propargyl-1,2-O-isopropylidene-α-D-xylofuranose with benzyl azide as key step. Related isonucleotides were obtained by 5-O-phosphorylation of acetonide-protected 3-O-propargyl xylofuranose and further "click" cycloaddition or by Staudinger-phosphite reaction of a 5-azido N-benzyltriazole isonucleoside. Hydroxy-, amino- or bromomethyl triazole 5'-isonucleosides were synthesized by thermal cycloaddition of 5-azido 3-O-benzyl/dodecyl xylofuranoses with propargyl alcohol, propargylamine or propargyl bromide. Better yields (82-85 %) were obtained when using propargyl alcohol and a high 1,4-regioselectivity was attained with propargyl bromide. Further O/N-phosphorylation or Arbuzov reaction led to (triazolyl)methyl phosphates, phosphoramidates or phosphonates. The latter were converted into uracil nucleoside 5'-(triazolyl)methyl phosphonates as prospective nucleoside diphosphate mimetics.
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Affiliation(s)
- Andreia Fortuna
- Centro de Química Estrutural, Faculdade de Ciências, Universidade de Lisboa, Ed. C8, 5° Piso, Campo Grande, 1749-016, Lisboa, Portugal.,University of Lisboa, Faculty of Sciences, BioISI - Biosystems & Integrative Sciences Institute, Campo Grande, C8 bdg, 1749-016, Lisboa, Portugal
| | - Paulo J Costa
- University of Lisboa, Faculty of Sciences, BioISI - Biosystems & Integrative Sciences Institute, Campo Grande, C8 bdg, 1749-016, Lisboa, Portugal
| | - M Fátima M Piedade
- Centro de Química Estrutural, Faculdade de Ciências, Universidade de Lisboa, Ed. C8, 5° Piso, Campo Grande, 1749-016, Lisboa, Portugal.,Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001, Lisboa, Portugal
| | - M Conceição Oliveira
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001, Lisboa, Portugal
| | - Nuno M Xavier
- Centro de Química Estrutural, Faculdade de Ciências, Universidade de Lisboa, Ed. C8, 5° Piso, Campo Grande, 1749-016, Lisboa, Portugal
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6
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Kataoka Y, Iimori M, Fujisawa R, Morikawa-Ichinose T, Niimi S, Wakasa T, Saeki H, Oki E, Miura D, Tsurimoto T, Maehara Y, Kitao H. DNA Replication Stress Induced by Trifluridine Determines Tumor Cell Fate According to p53 Status. Mol Cancer Res 2020; 18:1354-1366. [PMID: 32467171 DOI: 10.1158/1541-7786.mcr-19-1051] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 04/15/2020] [Accepted: 05/21/2020] [Indexed: 11/16/2022]
Abstract
DNA replication stress (DRS) is a predominant cause of genome instability, a driver of tumorigenesis and malignant progression. Nucleoside analogue-type chemotherapeutic drugs introduce DNA damage and exacerbate DRS in tumor cells. However, the mechanisms underlying the antitumor effect of these drugs are not fully understood. Here, we show that the fluorinated thymidine analogue trifluridine (FTD), an active component of the chemotherapeutic drug trifluridine/tipiracil, delayed DNA synthesis by human replicative DNA polymerases by acting both as an inefficient deoxyribonucleotide triphosphate source (FTD triphosphate) and as an obstacle base (trifluorothymine) in the template DNA strand, which caused DRS. In cells, FTD decreased the thymidine triphosphate level in the dNTP pool and increased the FTD triphosphate level, resulting in the activation of DRS-induced cellular responses during S-phase. In addition, replication protein A-coated single-stranded DNA associated with FancD2 and accumulated after tumor cells completed S-phase. Finally, FTD activated the p53-p21 pathway and suppressed tumor cell growth by inducing cellular senescence via mitosis skipping. In contrast, tumor cells that lost wild-type p53 underwent apoptotic cell death via aberrant late mitosis with severely impaired separation of sister chromatids. These results demonstrate that DRS induced by a nucleoside analogue-type chemotherapeutic drug suppresses tumor growth irrespective of p53 status by directing tumor cell fate toward cellular senescence or apoptotic cell death according to p53 status. IMPLICATIONS: Chemotherapeutic drugs that increase DRS during S-phase but allow tumor cells to complete S-phase may have significant antitumor activity even when functional p53 is lost.
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Affiliation(s)
- Yuki Kataoka
- Department of Molecular Cancer Biology, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan.,Taiho Pharmaceutical Co. Ltd., Tokyo, Japan
| | - Makoto Iimori
- Department of Molecular Cancer Biology, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Ryo Fujisawa
- Division of Biological Sciences, Department of Biology, Faculty of Sciences, Kyushu University, Fukuoka, Japan
| | - Tomomi Morikawa-Ichinose
- Metabolic Profiling Group, Innovation Center for Medical Redox Navigation, Kyushu University, Fukuoka, Japan
| | - Shinichiro Niimi
- Innovative Anticancer Strategy for Therapeutics and Diagnosis Group, Innovation Center for Medical Redox Navigation, Kyushu University, Fukuoka, Japan
| | - Takeshi Wakasa
- Department of Molecular Cancer Biology, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan.,Taiho Pharmaceutical Co. Ltd., Tokyo, Japan
| | - Hiroshi Saeki
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.,Department of General Surgical Science, Graduate School of Medicine, Gunma University, Maebashi, Japan
| | - Eiji Oki
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Daisuke Miura
- Metabolic Profiling Group, Innovation Center for Medical Redox Navigation, Kyushu University, Fukuoka, Japan.,Advanced Biomeasurements Research Group, Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
| | - Toshiki Tsurimoto
- Division of Biological Sciences, Department of Biology, Faculty of Sciences, Kyushu University, Fukuoka, Japan
| | - Yoshihiko Maehara
- Innovative Anticancer Strategy for Therapeutics and Diagnosis Group, Innovation Center for Medical Redox Navigation, Kyushu University, Fukuoka, Japan.,Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.,Kyushu Central Hospital of the Mutual Aid Association of Public School Teachers, Fukuoka, Japan
| | - Hiroyuki Kitao
- Department of Molecular Cancer Biology, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan. .,Innovative Anticancer Strategy for Therapeutics and Diagnosis Group, Innovation Center for Medical Redox Navigation, Kyushu University, Fukuoka, Japan
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7
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Pharmacological effects of the simultaneous and sequential combinations of trifluridine/tipiracil (TAS-102) and 5-fluorouracil in fluoropyrimidine-sensitive colon cancer cells. Invest New Drugs 2019; 38:92-98. [DOI: 10.1007/s10637-019-00804-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Accepted: 05/28/2019] [Indexed: 11/29/2022]
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8
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Pastor-Anglada M, Urtasun N, Pérez-Torras S. Intestinal Nucleoside Transporters: Function, Expression, and Regulation. Compr Physiol 2018; 8:1003-1017. [PMID: 29978890 DOI: 10.1002/cphy.c170039] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The gastrointestinal tract is the absorptive organ for nutrients found in foods after digestion. Nucleosides and, to a lesser extent nucleobases, are the late products of nucleoprotein digestion. These metabolites are absorbed by nucleoside (and nucleobase) transporter (NT) proteins. NTs are differentially distributed along the gastrointestinal tract showing also polarized expression in epithelial cells. Concentrative nucleoside transporters (CNTs) are mainly located at the apical side of enterocytes, whereas equilibrative nucleoside transporters (ENTs) facilitate the basolateral efflux of nucleosides and nucleobases to the bloodstream. Moreover, selected nucleotides and the bioactive nucleoside adenosine act directly on intestinal cells modulating purinergic signaling. NT-polarized insertion is tightly regulated. However, not much is known about the modulation of intestinal NT function in humans, probably due to the lack of appropriate cell models retaining CNT functional expression. Thus, the possibility of nutritional regulation of intestinal NTs has been addressed using animal models. Besides the nutrition-related role of NT proteins, orally administered drugs also need to cross the intestinal barrier, this event being a major determinant of drug bioavailability. In this regard, NT proteins might also play a role in pharmacology, thereby allowing the absorption of nucleoside- and nucleobase-derived drugs. The relative broad selectivity of these membrane transporters also suggests clinically relevant drug-drug interactions when using combined therapies. This review focuses on all these physiological and pharmacological aspects of NT protein biology. © 2017 American Physiological Society. Compr Physiol 8:1003-1017, 2018.
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Affiliation(s)
- Marçal Pastor-Anglada
- Biochemistry and Molecular Pharmacology Section, Department of Biochemistry and Molecular Biomedicine, Institute of Biomedicine (IBUB), University of Barcelona, Barcelona, Spain.,Oncology Program, National Biomedical Research Institute on Liver and Gastrointestinal Diseases (CIBER EHD), Instituto de Salud Carlos III, Barcelona, Spain.,Genetics, Molecular Biology and Gene Therapy Program, Institut de Recerca Sant Joan de Déu (IR SJD), Esplugues de Llobregat, Barcelona, Spain
| | - Nerea Urtasun
- Biochemistry and Molecular Pharmacology Section, Department of Biochemistry and Molecular Biomedicine, Institute of Biomedicine (IBUB), University of Barcelona, Barcelona, Spain.,Oncology Program, National Biomedical Research Institute on Liver and Gastrointestinal Diseases (CIBER EHD), Instituto de Salud Carlos III, Barcelona, Spain.,Genetics, Molecular Biology and Gene Therapy Program, Institut de Recerca Sant Joan de Déu (IR SJD), Esplugues de Llobregat, Barcelona, Spain
| | - Sandra Pérez-Torras
- Biochemistry and Molecular Pharmacology Section, Department of Biochemistry and Molecular Biomedicine, Institute of Biomedicine (IBUB), University of Barcelona, Barcelona, Spain.,Oncology Program, National Biomedical Research Institute on Liver and Gastrointestinal Diseases (CIBER EHD), Instituto de Salud Carlos III, Barcelona, Spain.,Genetics, Molecular Biology and Gene Therapy Program, Institut de Recerca Sant Joan de Déu (IR SJD), Esplugues de Llobregat, Barcelona, Spain
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9
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Edahiro K, Iimori M, Kobunai T, Morikawa-Ichinose T, Miura D, Kataoka Y, Niimi S, Wakasa T, Saeki H, Oki E, Kitao H, Maehara Y. Thymidine Kinase 1 Loss Confers Trifluridine Resistance without Affecting 5-Fluorouracil Metabolism and Cytotoxicity. Mol Cancer Res 2018; 16:1483-1490. [PMID: 29866926 DOI: 10.1158/1541-7786.mcr-17-0686] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 04/09/2018] [Accepted: 05/17/2018] [Indexed: 11/16/2022]
Abstract
Acquired resistance to therapeutic drugs is a serious problem for patients with cancer receiving systemic treatment. Experimentally, drug resistance is established in cell lines in vitro by repeated, continuous exposure to escalating concentrations of the drug; however, the precise mechanism underlying the acquired resistance is not always known. Here, it is demonstrated that the human colorectal cancer cell line DLD1 with acquired resistance to trifluridine (FTD), a key component of the novel, orally administered nucleoside analogue-type chemotherapeutic drug trifluridine/tipiracil, lacks functional thymidine kinase 1 (TK1) expression because of one nonsense mutation in the coding exon. Targeted disruption of the TK1 gene also conferred severe FTD resistance, indicating that the loss of TK1 protein expression is the primary cause of FTD resistance. Both FTD-resistant DLD1 cells and DLD1-TK1 -/- cells exhibited similar 5-fluorouracil (5-FU) sensitivity to that of the parental DLD1 line. The quantity of cellular pyrimidine nucleotides in these cells and the kinetics of thymidylate synthase ternary complex formation in 5-FU-treated cells is similar to DLD1 cells, indicating that 5-FU metabolism and cytotoxicity were unaffected. The current data provide molecular-based evidence that acquired resistance to FTD does not confer 5-FU resistance, implying that 5-FU-based chemotherapy would be effective even in tumors that become refractory to FTD during trifluridine/tipiracil treatment. Mol Cancer Res; 16(10); 1483-90. ©2018 AACR.
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Affiliation(s)
- Keitaro Edahiro
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Makoto Iimori
- Department of Molecular Cancer Biology, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | | | | | - Daisuke Miura
- Metabolic Profiling Research Group, Kyushu University, Fukuoka, Japan
| | - Yuki Kataoka
- Department of Molecular Cancer Biology, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
- Taiho Pharmaceutical Co. Ltd., Tokyo, Japan
| | - Shinichiro Niimi
- Innovative Anticancer Strategy for Therapeutics and Diagnosis Group, Innovation Center for Medical Redox Navigation, Kyushu University, Fukuoka, Japan
| | - Takeshi Wakasa
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Taiho Pharmaceutical Co. Ltd., Tokyo, Japan
| | - Hiroshi Saeki
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Eiji Oki
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Hiroyuki Kitao
- Department of Molecular Cancer Biology, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan.
- Innovative Anticancer Strategy for Therapeutics and Diagnosis Group, Innovation Center for Medical Redox Navigation, Kyushu University, Fukuoka, Japan
| | - Yoshihiko Maehara
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Innovative Anticancer Strategy for Therapeutics and Diagnosis Group, Innovation Center for Medical Redox Navigation, Kyushu University, Fukuoka, Japan
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10
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Matsuoka K, Nakagawa F, Kobunai T, Takechi T. Trifluridine/tipiracil overcomes the resistance of human gastric 5-fluorouracil-refractory cells with high thymidylate synthase expression. Oncotarget 2018; 9:13438-13450. [PMID: 29568368 PMCID: PMC5862589 DOI: 10.18632/oncotarget.24412] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Accepted: 01/30/2018] [Indexed: 11/25/2022] Open
Abstract
Trifluridine/tipiracil (FTD/TPI or TFTD, also known as TAS-102) is a combination of the antineoplastic thymidine analog, FTD, and thymidine phosphorylase inhibitor, TPI (molar ratio 1:0.5). FTD/TPI was approved in Japan, the United States, and the European Union for the treatment of unresectable advanced or recurrent colorectal cancer. We evaluated the in vitro and in vivo efficacy and mechanisms of action of FTD and FTD/TPI against 5-fluorouracil (5-FU)-resistant MKN45/5FU, MKN74/5FU, and KATOIII/5FU human gastric cancer cells overexpressing thymidylate synthase (TS) and their respective parent cell lines. MKN45/5FU and KATOIII/5FU cells were not cross-resistant to FTD, whereas MKN45/5FU cells were 3.7-fold more resistant than the parental cells in vitro. FTD was also incorporated into genomic DNA in a concentration-dependent manner in 5-FU-resistant and parental cells. Additionally, deoxyuridine monophosphate levels in MKN45/5FU cells after 24-h FTD treatment were 3.0-fold higher than those in parental cells, and FTD treatment for 72 h induced G2/M arrest in MKN45/5FU cells, unlike the S phase arrest in MKN45 cells. Thus, TS-overexpressing MKN45/5FU cells, but not MKN74/5FU and KATOIII/5FU cells, showed partial cross-resistance to FTD. However, FTD/TPI (administered orally twice a day) exhibited antitumor activity to the same extent in MKN45 and MKN45/5FU xenograft mouse models, overcoming in vitro cross-resistance to FTD. DNA incorporation rather than TS inhibition seems to be the main action of FTD under these in vivo conditions. Thus, FTD/TPI is a promising chemotherapeutic agent against gastric cancers recurring following 5-FU therapy.
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Affiliation(s)
- Kazuaki Matsuoka
- Translational Research Laboratory, Taiho Pharmaceutical Co., Ltd., Tokushima, Japan
| | - Fumio Nakagawa
- Applied Pharmacology Laboratory, Taiho Pharmaceutical Co., Ltd., Tokushima, Japan
| | - Takashi Kobunai
- Translational Research Laboratory, Taiho Pharmaceutical Co., Ltd., Tokushima, Japan
| | - Teiji Takechi
- Translational Research Laboratory, Taiho Pharmaceutical Co., Ltd., Tokushima, Japan
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11
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Very N, Lefebvre T, El Yazidi-Belkoura I. Drug resistance related to aberrant glycosylation in colorectal cancer. Oncotarget 2018; 9:1380-1402. [PMID: 29416702 PMCID: PMC5787446 DOI: 10.18632/oncotarget.22377] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Accepted: 10/04/2017] [Indexed: 02/06/2023] Open
Abstract
Colorectal cancer (CRC) is the fourth leading cause of cancer-related deaths in the world. Drug resistance of tumour cells remains the main challenge toward curative treatments efficiency. Several epidemiologic studies link emergence and recurrence of this cancer to metabolic disorders. Glycosylation that modifies more than 80% of human proteins is one of the most widepread nutrient-sensitive post-translational modifications. Aberrant glycosylation participates in the development and progression of cancer. Thus, some of these glycan changes like carbohydrate antigen CA 19-9 (sialyl Lewis a, sLea) or those found on carcinoembryonic antigen (CEA) are already used as clinical biomarkers to detect and monitor CRC. The current review highlights emerging evidences accumulated mainly during the last decade that establish the role played by altered glycosylations in CRC drug resistance mechanisms that induce resistance to apoptosis and activation of signaling pathways, alter drug absorption and metabolism, and led to stemness acquisition. Knowledge in this field of investigation could aid to the development of better therapeutic approaches with new predictive biomarkers and targets tied in with adapted diet.
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Affiliation(s)
- Ninon Very
- Unité de Glycobiologie Structurale et Fonctionnelle, UGSF-UMR 8576 CNRS, Université de Lille, Lille 59000, France
| | - Tony Lefebvre
- Unité de Glycobiologie Structurale et Fonctionnelle, UGSF-UMR 8576 CNRS, Université de Lille, Lille 59000, France
| | - Ikram El Yazidi-Belkoura
- Unité de Glycobiologie Structurale et Fonctionnelle, UGSF-UMR 8576 CNRS, Université de Lille, Lille 59000, France
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12
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Potential role of polymorphisms in the transporter genes ENT1 and MATE1/OCT2 in predicting TAS-102 efficacy and toxicity in patients with refractory metastatic colorectal cancer. Eur J Cancer 2017; 86:197-206. [PMID: 28992563 DOI: 10.1016/j.ejca.2017.08.033] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 08/21/2017] [Accepted: 08/30/2017] [Indexed: 12/17/2022]
Abstract
BACKGROUND Trifluridine (FTD) is an active cytotoxic component of the metastatic colorectal cancer (mCRC) drug TAS-102, and thymidine phosphorylase inhibitor (TPI) inhibits the rapid degradation of FTD. We tested whether single nucleotide polymorphisms (SNPs) in genes involved in FTD metabolism and TPI excretion could predict outcome in patients with mCRC treated with TAS-102. PATIENTS AND METHODS We investigated three different cohorts: a training cohort (n = 52) and a testing cohort (n = 129) both receiving TAS-102 and a control cohort (n = 52) receiving regorafenib. SNPs of TK1, ENT1, CNT1, MATE1, MATE2 and OCT2 were analysed by polymerase chain reaction-based direct DNA sequencing. RESULTS In the training cohort, patients with any ENT1 rs760370 G allele had a significantly longer progression-free survival (PFS; 3.5 versus 2.1 months, respectively, hazard ratio [HR] 0.44, P = 0.004) and overall survival (OS; 8.7 versus 5.3 months, respectively, HR 0.27, P = 0.003) than the A/A genotype. These findings were validated in the testing cohort (P = 0.021 and 0.009 for PFS and OS, respectively). In addition, the combination of ENT1 rs760370, MATE1 rs2289669 and OCT2 rs316019 SNPs significantly stratified patients with the risk of PFS and OS in both cohorts (P < 0.001 for PFS and OS in the training cohort; P = 0.053 and 0.025 for PFS and OS, respectively, in the testing cohort). No significant differences were observed in the control group. CONCLUSIONS The combination of ENT1, MATE1 and OCT2 SNPs may serve as a predictive and prognostic marker in mCRC patients treated with TAS-102.
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Puthiamadathil JM, Weinberg BA. Emerging combination therapies for metastatic colorectal cancer - impact of trifluridine/tipiracil. Cancer Manag Res 2017; 9:461-469. [PMID: 29056855 PMCID: PMC5635852 DOI: 10.2147/cmar.s113320] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Patients with metastatic colorectal cancer (mCRC) are surviving longer now than ever before, but mortality rates are still high and more effective therapies are clearly needed. For patients with disease that is refractory to fluoropyrimidines, oxaliplatin, irinotecan, and biologic agents targeting the vascular endothelial growth factor and epidermal growth factor receptor pathways, novel treatment options trifluridine/tipiracil (TAS-102) and regorafenib can be effective disease stabilizers. However, objective clinical responses are rare and toxicities are manageable but common. In order to tackle poor clinical responses to TAS-102, there is an ongoing effort to effectively combine this drug with other agents, particularly those targeting angiogenesis. Certain subpopulations appear to benefit more than others from TAS-102; those that benefit often have underlying genetic defects in DNA repair pathways and/or develop neutropenia. In this review, we focus on the role of TAS-102 in the treatment of mCRC, including its use in combination with other agents, potential predictive biomarkers of response to TAS-102, and possible future directions.
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Affiliation(s)
| | - Benjamin A Weinberg
- Department of Medicine
- Ruesch Center for the Cure of Gastrointestinal Cancers, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, USA
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Emmerich P, Clipson L, Deming DA. Resistance Mechanisms to Colorectal Cancer Therapeutics and the Clinical Implications. CURRENT COLORECTAL CANCER REPORTS 2017. [DOI: 10.1007/s11888-017-0374-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Vasilyeva SV, Shtil AA, Petrova AS, Balakhnin SM, Achigecheva PY, Stetsenko DA, Silnikov VN. Conjugates of phosphorylated zalcitabine and lamivudine with SiO2 nanoparticles: Synthesis by CuAAC click chemistry and preliminary assessment of anti-HIV and antiproliferative activity. Bioorg Med Chem 2017; 25:1696-1702. [DOI: 10.1016/j.bmc.2017.01.038] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Revised: 01/18/2017] [Accepted: 01/21/2017] [Indexed: 12/01/2022]
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Mota JM, Fonseca LG, Braghiroli MI, Hoff PM. Review on TAS-102 development and its use for metastatic colorectal cancer. Crit Rev Oncol Hematol 2016; 104:91-7. [DOI: 10.1016/j.critrevonc.2016.05.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Revised: 04/15/2016] [Accepted: 05/25/2016] [Indexed: 11/28/2022] Open
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Peters GJ. Therapeutic potential of TAS-102 in the treatment of gastrointestinal malignancies. Ther Adv Med Oncol 2015; 7:340-56. [PMID: 26557901 PMCID: PMC4622302 DOI: 10.1177/1758834015603313] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Fluoropyrimidines form the mainstay in treatment of gastrointestinal malignancies. For decades 5-fluorouracil (5FU), was the major fluoropyrimidine. Currently it is usually given in a combination with leucovorin and oxaliplatin, i.e. FOLFOX, or irinotecan, i.e. FOLFIRI, or all three, i.e. FOLFIRINOX, but gradually it has been replaced by oral fluoropyrimidine prodrug formulations, such as tegafur-uracil and S-1 (both contain ftorafur), and capecitabine (Xeloda®). Novel drugs such as the antivascular endothelial growth factor antibody, bevacizumab, and the anti-epidermal growth factor receptor antibody, cetuximab, are often combined with one of these treatment options. However, when resistance emerged, no alternatives were available. TAS-102, a combination of trifluorothymidine and the thymidine phosphorylase inhibitor TPI in a 1:0.5 ratio, is a novel oral formulation, which is active in 5FU-resistant models, both in vitro and in xenograft models. In addition to inhibition of thymidylate synthase, the major mechanism of action of classical fluoropyrimidines, TAS-102's major mechanism of action is incorporation into DNA, thereby causing DNA damage. TAS-102 also follows an alternative activation pathway via thymidine kinase, and is not a substrate for dihydropyrimidine dehydrogenase. All together this explains the efficacy in 5FU-resistant models. In early clinical studies, the twice-daily schedule (5 days on, 2 days rest) for 2 weeks every 4 weeks, led to a significant disease control rate in various malignancies. This schedule showed consistent activity in two randomized trials on fluoropyrimidine refractory colorectal cancer patients, reflected by an increase of 2-3 months in overall survival in the TAS-102 group compared with placebo. Considering the impressive preclinical potential of various combinations TAS-102 has the promise to become an alternative for 5FU-resistant cancer.
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Affiliation(s)
- Godefridus J. Peters
- Department of Medical Oncology, VU University Medical Center, De Boelelaan 1117, PO Box 7057, 1007 MB Amsterdam, The Netherlands
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Sakamoto K, Yokogawa T, Ueno H, Oguchi K, Kazuno H, Ishida K, Tanaka N, Osada A, Yamada Y, Okabe H, Matsuo K. Crucial roles of thymidine kinase 1 and deoxyUTPase in incorporating the antineoplastic nucleosides trifluridine and 2'-deoxy-5-fluorouridine into DNA. Int J Oncol 2015; 46:2327-34. [PMID: 25901475 PMCID: PMC4441292 DOI: 10.3892/ijo.2015.2974] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Accepted: 04/09/2015] [Indexed: 01/01/2023] Open
Abstract
Trifluridine (FTD) and 2'-deoxy-5-fluorouridine (FdUrd), a derivative of 5-fluorouracil (5-FU), are antitumor agents that inhibit thymidylate synthase activity and their nucleotides are incorporated into DNA. However, it is evident that several differences occur in the underlying antitumor mechanisms associated with these nucleoside analogues. Recently, TAS-102 (composed of FTD and tipiracil hydrochloride, TPI) was shown to prolong the survival of patients with colorectal cancer who received a median of 2 prior therapies, including 5-FU. TAS-102 was recently approved for clinical use in Japan. These data suggest that the antitumor activities of TAS-102 and 5-FU proceed via different mechanisms. Thus, we analyzed their properties in terms of thymidine salvage pathway utilization, involving membrane transporters, a nucleoside kinase, a nucleotide-dephosphorylating enzyme, and DNA polymerase α. FTD incorporated into DNA with higher efficiency than FdUrd did. Both FTD and FdUrd were transported into cells by ENT1 and ENT2 and were phosphorylated by thymidine kinase 1, which showed a higher catalytic activity for FTD than for FdUrd. deoxyUTPase (DUT) did not recognize dTTP and FTD-triphosphate (F3dTTP), whereas deoxyuridine-triphosphate (dUTP) and FdUrd-triphosphate (FdUTP) were efficiently degraded by DUT. DNA polymerase α incorporated both F3dTTP and FdUTP into DNA at sites aligned with adenine on the opposite strand. FTD-treated cells showed differing nuclear morphologies compared to FdUrd-treated cells. These findings indicate that FTD and FdUrd are incorporated into DNA with different efficiencies due to differences in the substrate specificities of TK1 and DUT, causing abundant FTD incorporation into DNA.
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Affiliation(s)
- Kazuki Sakamoto
- Drug Discovery and Development I, Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Tatsushi Yokogawa
- Drug Discovery and Development I, Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Hiroyuki Ueno
- Drug Discovery and Development I, Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Kei Oguchi
- Drug Discovery and Development I, Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Hiromi Kazuno
- Drug Discovery and Development I, Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Keiji Ishida
- Drug Discovery and Development I, Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Nozomu Tanaka
- Drug Discovery and Development I, Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Akiko Osada
- Drug Discovery and Development I, Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Yukari Yamada
- Drug Discovery and Development I, Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Hiroyuki Okabe
- Drug Discovery and Development I, Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Kenichi Matsuo
- Drug Discovery and Development I, Discovery and Preclinical Research Division, Taiho Pharmaceutical Co., Ltd., Tsukuba, Ibaraki 300-2611, Japan
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Lee HJ, Oh SJ, Lee EJ, Chung JH, Kim Y, Ryu JS, Kim SY, Lee SJ, Moon DH, Kim TW. Positron emission tomography imaging of human colon cancer xenografts in mice with [18F]fluorothymidine after TAS-102 treatment. Cancer Chemother Pharmacol 2015; 75:1005-13. [PMID: 25776904 DOI: 10.1007/s00280-015-2718-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Accepted: 02/27/2015] [Indexed: 11/26/2022]
Abstract
PURPOSE TAS-102 is an orally administered anticancer agent composed of α,α,α-trifluorothymidine (FTD) and thymidine phosphorylase inhibitor (TPI). This study assessed 3'-deoxy-3'-[(18)F]fluorothymidine ([(18)F]FLT) uptake after TAS-102 administration. METHODS The human colorectal carcinoma cell lines HCT116, HT29, HCT8 and SW620 were exposed to FTD for 2 h, further incubated for 0, 2 and 24 h, and assayed for [(3)H]FLT uptake, nucleoside transport, thymidine kinase 1 (TK1) expression and TK1 activity. Static and 2-h dynamic [(18)F]FLT positron emission tomography (PET) was performed in mice bearing HT29 or SW620 tumours orally administered with vehicle or TAS-102. RESULTS FTD decreased the viability of all cell lines, whereas increased [(3)H]FLT uptake (P < 0.05). Increased nucleoside transport and/or TK1 expression were observed 24 h after FTD, but not in 0-2 h. Static [(18)F]FLT PET in mice bearing HT29 tumours showed accumulation of [(18)F]FLT in tumours 1 h (day 1) after TAS-102. Two-hour dynamic PET in mice bearing SW620 tumours showed increased influx constant and volume of distribution of phosphorylated [(18)F]FLT on days 1 and 8 (P < 0.05) after TAS-102 with decreased dephosphorylation on day 1 (P < 0.001). Ex vivo studies showed that SW620 tumours after TAS-102 had higher TK1 expression than those with vehicle on days 8 and 15. CONCLUSION TAS-102 administration induces an increase in [(18)F]FLT uptake. Mechanisms may involve decreased dephosphorylation of [(18)F]FLT phosphate early after TAS-102 administration. Increased TK1 expression and/or nucleoside transporter may be related to increased [(18)F]FLT uptake at a later time. [(18)F]FLT PET has a potential to assess the pharmacodynamics of TAS-102 in cancer patients.
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Affiliation(s)
- Haeng Jung Lee
- Institute for Innovative Cancer Research, Asan Institute for Life Science, Asan Medical Center, 88, Olympic-ro 43-gil, Songpa-gu, Seoul, Republic of Korea
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Wang WM, Deng JL, Gu XC, Tang YH, Zhang GQ, Zhou Y. ERCC1 and TS expression and prognosis in colon cancer after postoperative adjuvant chemotherapy. Shijie Huaren Xiaohua Zazhi 2014; 22:24-30. [DOI: 10.11569/wcjd.v22.i1.24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To explore the relationship between excision repair cross-complementing group 1 (ERCC1) expression, thymidylate synthase (TS) expression and the prognosis in colon cancer after postoperative adjuvant chemotherapy.
METHODS: Seventy-six patients who were diagnosed with colon cancer for the first time were enrolled in our study. All the patients received radical operation, were pathologically diagnosed with stage Ⅱ or Ⅲ disease, accepted FOLFOX4 (L-OHP+5-Fu+CF) chemotherapy and were followed at least 3 years. Immunohistochemistry was used to detect ERCC1 and TS expression levels in colon cancer. The relationship between the expression of ERCC1 and TS and postoperative survival was analyzed retrospectively.
RESULTS: The positive expression rates of ERCC1 and TS in colon cancer were 36.8% and 43.4%, respectively. There were a negative correlation between the positive expression of ERCC1 and TS and tumor differentiation (P = 0.019 and 0.024). The median survival time was significantly longer in patients with negative ERCC1 expression than in those with positive expression (P < 0.05), and in patients with negative TS expression than in those with positive expression (P < 0.05). Cox multivariate regression analysis revealed that patients with positive ERCC1 and TS expression did not benefit from chemotherapy (HR = 3.50, 95%CI: 1.59-7.73, P = 0.002; HR = 0.52, 95%CI: 0.35-0.87, P = 0.010).
CONCLUSION: ERCC1 and TS may be biomarkers for predicting the prognosis of colon cancer patients receiving chemotherapy.
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Metabolism, mechanism of action and sensitivity profile of fluorocyclopentenylcytosine (RX-3117; TV-1360). Invest New Drugs 2013; 31:1444-57. [PMID: 24048768 DOI: 10.1007/s10637-013-0025-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Accepted: 09/02/2013] [Indexed: 01/28/2023]
Abstract
A novel cytidine analog fluorocyclopentenylcytosine (RX-3117; TV-1360) was characterized for its cytotoxicity in a 59-cell line panel and further characterized for cytotoxicity, metabolism and mechanism of action in 15 additional cancer cell lines, including gemcitabine-resistant variants. In both panels sensitivity varied 75-fold (IC50: 0.4- > 30 μM RX-3117). RX-3117 showed a different sensitivity profile compared to cyclopentenyl-cytosine (CPEC) and azacytidine, substrates for uridine-cytidine-kinase (UCK). Dipyridamole, an inhibitor of the equilibrative-nucleoside-transporter protected against RX-3117. Uridine and cytidine protected against RX-3117, but deoxycytidine (substrate for deoxycytidine-kinase [dCK]) not, although it protected against gemcitabine, demonstrating that RX-3117 is a substrate for UCK and not for dCK. UCK activity was abundant in all cell lines, including the gemcitabine-resistant variants. RX-3117 was a very poor substrate for cytidine deaminase (66,000-fold less than gemcitabine). RX-3117 was rapidly metabolised to its nucleotides predominantly the triphosphate, which was highest in the most sensitive cells (U937, A2780) and lowest in the least sensitive (CCRF-CEM). RX-3117 did not significantly affect cytidine and uridine nucleotide pools. Incorporation of RX-3117 into RNA and DNA was higher in sensitive A2780 and low in insensitive SW1573 cells. In sensitive U937 cells 1 μM RX-3117 resulted in 90% inhibition of RNA synthesis but 100 μM RX-3117 was required in A2780 and CCRF-CEM cells. RX-3117 at IC50 values did not affect the integrity of RNA. DNA synthesis was completely inhibited in sensitive U937 cells at 1 μM, but in other cells even higher concentrations only resulted in a partial inhibition. At IC50 values RX-3117 downregulated the expression of DNA methyltransferase. In conclusion, RX-3117 showed a completely different sensitivity profile compared to gemcitabine and CPEC, its uptake is transporter dependent and is activated by UCK. RX-3117 is incorporated into RNA and DNA, did not affect RNA integrity, depleted DNA methyltransferase and inhibited RNA and DNA synthesis. Nucleotide formation is related with sensitivity.
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Advances in the development of nucleoside and nucleotide analogues for cancer and viral diseases. Nat Rev Drug Discov 2013; 12:447-64. [PMID: 23722347 DOI: 10.1038/nrd4010] [Citation(s) in RCA: 821] [Impact Index Per Article: 74.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Nucleoside analogues have been in clinical use for almost 50 years and have become cornerstones of treatment for patients with cancer or viral infections. The approval of several additional drugs over the past decade demonstrates that this family still possesses strong potential. Here, we review new nucleoside analogues and associated compounds that are currently in preclinical or clinical development for the treatment of cancer and viral infections, and that aim to provide increased response rates and reduced side effects. We also highlight the different approaches used in the development of these drugs and the potential of personalized therapy.
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Advances in the development of nucleoside and nucleotide analogues for cancer and viral diseases. NATURE REVIEWS. DRUG DISCOVERY 2013. [PMID: 23722347 DOI: 10.1038/nrd4010]] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Nucleoside analogues have been in clinical use for almost 50 years and have become cornerstones of treatment for patients with cancer or viral infections. The approval of several additional drugs over the past decade demonstrates that this family still possesses strong potential. Here, we review new nucleoside analogues and associated compounds that are currently in preclinical or clinical development for the treatment of cancer and viral infections, and that aim to provide increased response rates and reduced side effects. We also highlight the different approaches used in the development of these drugs and the potential of personalized therapy.
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Lautz TB, Jie C, Clark S, Naiditch JA, Jafari N, Qiu YY, Zheng X, Chu F, Madonna MB. The effect of vorinostat on the development of resistance to doxorubicin in neuroblastoma. PLoS One 2012; 7:e40816. [PMID: 22829886 PMCID: PMC3400660 DOI: 10.1371/journal.pone.0040816] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2011] [Accepted: 06/18/2012] [Indexed: 11/25/2022] Open
Abstract
Histone deacetylase (HDAC) inhibitors, especially vorinostat, are currently under investigation as potential adjuncts in the treatment of neuroblastoma. The effect of vorinostat co-treatment on the development of resistance to other chemotherapeutic agents is unknown. In the present study, we treated two human neuroblastoma cell lines [SK-N-SH and SK-N-Be(2)C] with progressively increasing doses of doxorubicin under two conditions: with and without vorinsotat co-therapy. The resultant doxorubicin-resistant (DoxR) and vorinostat-treated doxorubicin resistant (DoxR-v) cells were equally resistant to doxorubicin despite significantly lower P-glycoprotein expression in the DoxR-v cells. Whole genome analysis was performed using the Ilumina Human HT-12 v4 Expression Beadchip to identify genes with differential expression unique to the DoxR-v cells. We uncovered a number of genes whose differential expression in the DoxR-v cells might contribute to their resistant phenotype, including hypoxia inducible factor-2. Finally, we used Gene Ontology to categorize the biological functions of the differentially expressed genes unique to the DoxR-v cells and found that genes involved in cellular metabolism were especially affected.
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Affiliation(s)
- Timothy B. Lautz
- Department of Surgery, Lurie Children’s Hospital, Northwestern University, Chicago, Illinois, United States of America
- Cancer Biology Program, Children’s Memorial Research Center, Northwestern University, Chicago, Illinois, United States of America
| | - Chunfa Jie
- Center for Genetic Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Sandra Clark
- Cancer Biology Program, Children’s Memorial Research Center, Northwestern University, Chicago, Illinois, United States of America
| | - Jessica A. Naiditch
- Department of Surgery, Lurie Children’s Hospital, Northwestern University, Chicago, Illinois, United States of America
- Cancer Biology Program, Children’s Memorial Research Center, Northwestern University, Chicago, Illinois, United States of America
| | - Nadereh Jafari
- Center for Genetic Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Yi-Yong Qiu
- Cancer Biology Program, Children’s Memorial Research Center, Northwestern University, Chicago, Illinois, United States of America
| | - Xin Zheng
- Cancer Biology Program, Children’s Memorial Research Center, Northwestern University, Chicago, Illinois, United States of America
| | - Fei Chu
- Cancer Biology Program, Children’s Memorial Research Center, Northwestern University, Chicago, Illinois, United States of America
- * E-mail: (MBM); (FC)
| | - Mary Beth Madonna
- Department of Surgery, Lurie Children’s Hospital, Northwestern University, Chicago, Illinois, United States of America
- Cancer Biology Program, Children’s Memorial Research Center, Northwestern University, Chicago, Illinois, United States of America
- * E-mail: (MBM); (FC)
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