51
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Katamune C, Koyanagi S, Hashikawa KI, Kusunose N, Akamine T, Matsunaga N, Ohdo S. Mutation of the gene encoding the circadian clock component PERIOD2 in oncogenic cells confers chemoresistance by up-regulating the Aldh3a1 gene. J Biol Chem 2018; 294:547-558. [PMID: 30429219 DOI: 10.1074/jbc.ra118.004942] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 11/06/2018] [Indexed: 12/26/2022] Open
Abstract
Disruption of circadian rhythms has been implicated in an increased risk for cancer development. The Period2 (Per2) gene encodes one of the major components of the mammalian circadian clock, which plays a key role in controlling the circadian rhythms in physiology and behavior. PER2 has also been reported to suppress the malignant transformation of cells, but its role in the regulation of cancer susceptibility to chemotherapeutic drugs remains unclear. In this study, we found that oncogene-transformed embryonic fibroblasts prepared from Per2-mutant (Per2m/m ) mice, which are susceptible to both spontaneous and radiation-induced tumorigenesis, were resistant against common chemotherapeutic drugs and that this resistance is associated with up-regulation of the aldehyde dehydrogenase 3a1 (Aldh3a1) gene. Co-expression of the oncogenes H-rasV12 and SV40 large T-antigen induced malignant transformation of both WT and Per2m/m cells, but the cytotoxic effects of the chemotherapeutic agents methotrexate, gemcitabine, etoposide, vincristine, and oxaliplatin were significantly alleviated in the oncogene-transformed Per2m/m cells. Although introduction of the two oncogenes increased the expression of Aldh3a1 in both WT and Per2m/m cells, the ALDH3A1 protein levels in the Per2m/m cells were ∼7-fold higher than in WT cells. The elevated ALDH3A1 levels in the oncogene-transformed Per2m/m cells were sufficient to prevent chemotherapeutic drug-induced accumulation of reactive oxygen species. Consequently, shRNA-mediated suppression of Aldh3a1 expression relieved the chemoresistance of the Per2m/m cells. These results suggest a role for mutated PER2 in the development of multiple drug resistance and may inform therapeutic strategies for cancer management.
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Affiliation(s)
| | - Satoru Koyanagi
- From the Departments of Pharmaceutics and.,Glocal Healthcare Science, Faculty of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi Higashi-ku, Fukuoka 812-8582, Japan
| | | | | | | | - Naoya Matsunaga
- From the Departments of Pharmaceutics and.,Glocal Healthcare Science, Faculty of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi Higashi-ku, Fukuoka 812-8582, Japan
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Tron C, Lemaitre F, Verstuyft C, Petitcollin A, Verdier MC, Bellissant E. Pharmacogenetics of Membrane Transporters of Tacrolimus in Solid Organ Transplantation. Clin Pharmacokinet 2018; 58:593-613. [DOI: 10.1007/s40262-018-0717-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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53
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Shi P, Liao M, Chuang BC, Griffin R, Shi J, Hyer M, Fallon JK, Smith PC, Li C, Xia CQ. Efflux transporter breast cancer resistance protein dominantly expresses on the membrane of red blood cells, hinders partitioning of its substrates into the cells, and alters drug-drug interaction profiles. Xenobiotica 2018; 48:1173-1183. [PMID: 29098941 DOI: 10.1080/00498254.2017.1397812] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Revised: 10/23/2017] [Accepted: 10/24/2017] [Indexed: 01/13/2023]
Abstract
1. Red blood cell (RBC) partitioning is important in determining pharmacokinetic and pharmacodynamic properties of a compound; however, active transport across RBC membranes is not well understood, particularly without transporter-related cell membrane proteomics data. 2. In this study, we quantified breast cancer resistance protein (BCRP/Bcrp) and MDR1/P-glycoprotein (P-gp) protein expression in RBCs from humans, monkeys, dogs, rats and mice using nanoLC/MS/MS, and evaluated their effect on RBC partitioning and plasma exposure of their substrates. BCRP-specific substrate Cpd-1 and MDR1-specific substrate Cpd-2 were characterized using Caco-2 Transwell® system and then administered to Bcrp or P-gp knockout mice. 3. The quantification revealed BCRP/Bcrp but not MDR1/P-gp to be highly expressed on RBC membranes. The knockout mouse study indicated BCRP/Bcrp pumps the substrate out of RBCs, lowering its partitioning and thus preventing binding to intracellular targets. This result was supported by a Cpd-1 and Bcrp inhibitor ML753286 drug-drug interaction (DDI) study in mice. Because of enhanced partitioning of Cpd-1 into RBCs after BCRP/Bcrp inhibition, Cpd-1 plasma concentration changed much less extent with genetic or chemical knockout of Bcrp albeit marked blood concentration increase, suggesting less DDI effect. 4. This finding is fundamentally meaningful to RBC partitioning, pharmacokinetics and DDI studies of BCRP-specific substrates.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily B/genetics
- ATP Binding Cassette Transporter, Subfamily B/metabolism
- ATP Binding Cassette Transporter, Subfamily G, Member 2/antagonists & inhibitors
- ATP Binding Cassette Transporter, Subfamily G, Member 2/genetics
- ATP Binding Cassette Transporter, Subfamily G, Member 2/metabolism
- Animals
- Caco-2 Cells
- Chromatography, Liquid
- Drug Interactions
- Erythrocyte Membrane/drug effects
- Erythrocyte Membrane/metabolism
- Female
- Humans
- Macaca fascicularis
- Mice, Inbred BALB C
- Mice, Knockout
- Neoplasm Proteins/antagonists & inhibitors
- Neoplasm Proteins/metabolism
- Rats
- Tandem Mass Spectrometry
- ATP-Binding Cassette Sub-Family B Member 4
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Affiliation(s)
- Pu Shi
- a Drug Metabolism and Pharmacokinetics, Takeda Pharmaceuticals International Co , 35 Landsdowne Street, Cambridge, MA , USA
| | - Mingxiang Liao
- a Drug Metabolism and Pharmacokinetics, Takeda Pharmaceuticals International Co , 35 Landsdowne Street, Cambridge, MA , USA
| | - Bei-Ching Chuang
- a Drug Metabolism and Pharmacokinetics, Takeda Pharmaceuticals International Co , 35 Landsdowne Street, Cambridge, MA , USA
| | - Robert Griffin
- a Drug Metabolism and Pharmacokinetics, Takeda Pharmaceuticals International Co , 35 Landsdowne Street, Cambridge, MA , USA
| | - Judy Shi
- b Cancer Pharmacology, Takeda Pharmaceuticals International Co , 40 Landsdowne Street, Cambridge, MA , USA , and
| | - Marc Hyer
- b Cancer Pharmacology, Takeda Pharmaceuticals International Co , 40 Landsdowne Street, Cambridge, MA , USA , and
| | - John K Fallon
- c Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill , Chapel Hill , NC , USA
| | - Philip C Smith
- c Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill , Chapel Hill , NC , USA
| | - Chao Li
- a Drug Metabolism and Pharmacokinetics, Takeda Pharmaceuticals International Co , 35 Landsdowne Street, Cambridge, MA , USA
| | - Cindy Q Xia
- a Drug Metabolism and Pharmacokinetics, Takeda Pharmaceuticals International Co , 35 Landsdowne Street, Cambridge, MA , USA
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Berveiller P, Mir O, Degrelle SA, Tsatsaris V, Selleret L, Guibourdenche J, Evain-Brion D, Fournier T, Gil S. Chemotherapy in pregnancy: exploratory study of the effects of paclitaxel on the expression of placental drug transporters. Invest New Drugs 2018; 37:1075-1085. [PMID: 30367323 DOI: 10.1007/s10637-018-0677-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Accepted: 10/02/2018] [Indexed: 12/19/2022]
Abstract
Introduction The use of paclitaxel in pregnant cancer patients is feasible in terms of fetal safety, but little is known about the effects of paclitaxel on the placenta. Using three experimental models, we aimed to assess the effects of paclitaxel on the expression of placental drug transporters. Methods In the in vitro model (human primary trophoblast culture), trophoblasts were isolated from normal term placentas and subsequently exposed to paclitaxel. The transcriptional regulation of 84 genes encoding for drug transporters, and the protein expression of ABCB1/P-gp and ABCG2/BCRP were assessed. In the in vivo model, placental tissues isolated from pregnant cancer patients treated with paclitaxel were analyzed to assess the protein expression of ABCB1/P-gp and ABCG2/BCRP. The same parameters were assessed in extracts from human placental cotyledons perfused ex vivo with paclitaxel. Results In the in vitro model, the expression of twelve drug-transporters genes was found to be significantly down-regulated after exposure to paclitaxel, including ABCC10, SLC28A3, SLC29A2, and ATP7B (involved in the transport of taxanes, antimetabolites, and cisplatin, respectively). The protein expression of ABCB1/P-gp increased by 1.3-fold after paclitaxel administration. Finally, the protein expression of ABCB1/P-gp and ABCG2/BCRP was higher in cotyledons from mothers treated with multiple doses of paclitaxel during pregnancy than in cotyledons perfused with a single dose of paclitaxel. Discussion Paclitaxel modulates the expression of placental drug transporters involved in the disposition of various anticancer agents. Further studies will be needed to assess the impact of repeated or prolonged exposure to paclitaxel on the expression and function of placental drug transporters.
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Affiliation(s)
- Paul Berveiller
- INSERM, UMR-S1139, Paris, France.
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France.
- Department of Gynecology and Obstetrics, Centre Hospitalier Intercommunal de Poissy Saint Germain, 10, rue du champ Gaillard, F78300, Poissy, France.
| | - Olivier Mir
- Department of Cancer Medicine, Gustave Roussy Cancer Campus, Villejuif, France
| | - Séverine A Degrelle
- INSERM, UMR-S1139, Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Vassilis Tsatsaris
- INSERM, UMR-S1139, Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
- Department of Obstetrics, Port-Royal Maternity, Cochin Teaching Hospital, Assistance Publique - Hôpitaux de Paris, Paris, France
- PremUp Foundation, Paris, France
| | - Lise Selleret
- Department of Obstetrics and Gynecology, Tenon Teaching Hospital, Assistance Publique - Hôpitaux de Paris, Paris, France
| | - Jean Guibourdenche
- Department of Hormonal Biology, Cochin Teaching Hospital, Assistance Publique - Hôpitaux de Paris, Paris, France
| | - Danièle Evain-Brion
- INSERM, UMR-S1139, Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
- PremUp Foundation, Paris, France
| | - Thierry Fournier
- INSERM, UMR-S1139, Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
- PremUp Foundation, Paris, France
| | - Sophie Gil
- INSERM, UMR-S1139, Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
- PremUp Foundation, Paris, France
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55
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Han LW, Gao C, Mao Q. An update on expression and function of P-gp/ABCB1 and BCRP/ABCG2 in the placenta and fetus. Expert Opin Drug Metab Toxicol 2018; 14:817-829. [PMID: 30010462 DOI: 10.1080/17425255.2018.1499726] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
INTRODUCTION P-glycoprotein (P-gp)/ABCB1 and breast cancer resistance protein (BCRP)/ABCG2 are highly expressed in the placenta and fetus throughout gestation and can modulate exposure and toxicity of drugs and xenobiotics to the vulnerable fetus during the sensitive times of growth and development. We aim to provide an update on current knowledge on placental and fetal expressions of the two transporters in different species, and to provide insight on interpreting transporter expression and fetal exposure relative to the concept of fraction of drug transported. Areas covered: Comprehensive literature review through PubMed (primarily from July 2010 to February 2018) on P-gp and BCRP expression and function in the placenta and fetus of primarily human, mouse, rat, and guinea pig. Expert opinion: While there are many commonalities in the expression and function of P-gp and BCRP in the placenta and fetal tissues across species, there are distinct differences in expression levels and temporal changes. Further studies are needed to quantify protein abundance of these transporters and functionally assess their activities at various gestational stages. Combining the knowledge of interspecies differences and the concept of fraction of drug transported, we may better predict the magnitude of impact these transporters have on fetal drug exposure.
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Affiliation(s)
- Lyrialle W Han
- a Department of Pharmaceutics, School of Pharmacy , University of Washington , Seattle , WA , USA
| | - Chunying Gao
- a Department of Pharmaceutics, School of Pharmacy , University of Washington , Seattle , WA , USA
| | - Qingcheng Mao
- a Department of Pharmaceutics, School of Pharmacy , University of Washington , Seattle , WA , USA
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56
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Polymorphisms of ABCG2 and its impact on clinical relevance. Biochem Biophys Res Commun 2018; 503:408-413. [PMID: 29964015 DOI: 10.1016/j.bbrc.2018.06.157] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 06/27/2018] [Indexed: 12/11/2022]
Abstract
Human ABCG2 is one of the most important ATP-binding cassette (ABC) transporters. This protein functions as a xenobiotic transporter of large, hydrophobic, positively or negatively charged molecules, a wide variety anticancer drugs, fluorescent dyes, and different toxic compounds found in normal food. SNPs in ABCG2 may affect absorption and distribution of these substrates, altering the accumulation, effectiveness and toxicity of compounds or drugs in large populations. Its transport properties have been implicated clinically and ABCG2 expression is linked with different disease states. We reviewed the SNPs of ABCG2 in clinical relevance about gout, acute myeloid leukemia, solid tumors, and other diseases.
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57
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Genotypes and haplotypes of ABCB1 contribute to TAC chemotherapy response in Malaysian triple negative breast cancer patients. Meta Gene 2018. [DOI: 10.1016/j.mgene.2018.01.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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58
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Dogra A, Bhatt S, Magotra A, Sharma A, Kotwal P, Gour A, Wazir P, Singh G, Nandi U. Intervention of curcumin on oral pharmacokinetics of daclatasvir in rat: A possible risk for long-term use. Phytother Res 2018; 32:1967-1974. [PMID: 29806225 DOI: 10.1002/ptr.6123] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Revised: 04/03/2018] [Accepted: 05/02/2018] [Indexed: 12/16/2022]
Abstract
Curcumin, a natural diarylheptanoid, is extensively used as a food additive or dietary supplement on the regular basis. It is known to have potential to encumber the drug transporters and hepatic drug metabolizing enzymes that lead to pharmacokinetic interactions with drug or food. Daclatasvir is a new orally acting drug for the treatment of chronic Hepatitis C Virus infections. This is a substrate of P-glycoprotein and CYP3A4 that are involved in the major pharmacokinetic interaction. Hence, the studies' aim is to assess for any possible pharmacokinetic interactions. Pharmacokinetic studies of daclatasvir in presence or absence of curcumin were carried out in Wistar rats following oral administration. Parallelly, the oral pharmacokinetics of daclatasvir was also determined in the presence of ketoconazole or quinidine. Studies revealed that plasma level of daclatasvir was not altered significantly during concomitant single dose administration of curcumin, whereas significantly decreased upon pretreatment for 7 days with curcumin at high dose level. Ketoconazole and quinidine markedly increase daclatasvir exposure following concomitant administration with daclatasvir. It can be concluded that dose adjustment is unlikely to be required for intermittent use of curcumin at low dose but cautious for chronic and concomitant use of curcumin at a high dose.
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Affiliation(s)
- Ashish Dogra
- PK-PD, Toxicology and Formulation Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India.,Academy of Scientific and Innovative Research (AcSIR), CSIR-Indian Institute of Integrative Medicine, Jammu, India
| | - Shipra Bhatt
- PK-PD, Toxicology and Formulation Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India.,Academy of Scientific and Innovative Research (AcSIR), CSIR-Indian Institute of Integrative Medicine, Jammu, India
| | - Asmita Magotra
- PK-PD, Toxicology and Formulation Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India.,Academy of Scientific and Innovative Research (AcSIR), CSIR-Indian Institute of Integrative Medicine, Jammu, India
| | - Anjna Sharma
- PK-PD, Toxicology and Formulation Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India.,Academy of Scientific and Innovative Research (AcSIR), CSIR-Indian Institute of Integrative Medicine, Jammu, India
| | - Pankul Kotwal
- PK-PD, Toxicology and Formulation Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India.,Academy of Scientific and Innovative Research (AcSIR), CSIR-Indian Institute of Integrative Medicine, Jammu, India
| | - Abhishek Gour
- PK-PD, Toxicology and Formulation Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India.,Academy of Scientific and Innovative Research (AcSIR), CSIR-Indian Institute of Integrative Medicine, Jammu, India
| | - Priya Wazir
- PK-PD, Toxicology and Formulation Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India
| | - Gurdarshan Singh
- PK-PD, Toxicology and Formulation Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India.,Academy of Scientific and Innovative Research (AcSIR), CSIR-Indian Institute of Integrative Medicine, Jammu, India
| | - Utpal Nandi
- PK-PD, Toxicology and Formulation Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India.,Academy of Scientific and Innovative Research (AcSIR), CSIR-Indian Institute of Integrative Medicine, Jammu, India
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Chen X, Wang YW, Gao P. SPIN1, negatively regulated by miR-148/152, enhances Adriamycin resistance via upregulating drug metabolizing enzymes and transporter in breast cancer. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:100. [PMID: 29743122 PMCID: PMC5944004 DOI: 10.1186/s13046-018-0748-9] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 04/02/2018] [Indexed: 12/11/2022]
Abstract
Background Spindlin1 (SPIN1), a protein highly expressed in several human cancers, has been correlated with tumorigenesis and development. Alterations of drug metabolizing enzymes and drug transporters are major determinants of chemoresistance in tumor cells. However, whether the metabolizing enzymes and transporters are under the control of SPIN1 in breast cancer chemoresistance has not yet been defined. Methods SPIN1 expression in breast cancer cells and tissues was detected by quantitative real-time PCR (qRT-PCR) and immunohistochemistry. Chemosensitivity assays in vitro and in vivo were performed to determine the effect of SPIN1 on Adriamycin resistance. Downstream effectors of SPIN1 were screened by microarray and confirmed by qRT-PCR and Western blot. Luciferase assay and Western blot were used to identify miRNAs regulating SPIN1. Results We showed that SPIN1 was significantly elevated in drug-resistant breast cancer cell lines and tissues, compared with the chemosensitive ones. SPIN1 enhanced Adriamycin resistance of breast cancer cells in vitro, and downregulation of SPIN1 by miRNA could decrease Adriamycin resistance in vivo. Mechanistically, drug metabolizing enzymes and transporter CYP2C8, UGT2B4, UGT2B17 and ABCB4 were proven to be downstream effectors of SPIN1. Notably, SPIN1 was identified as a direct target of the miR-148/152 family (miR-148a-3p, miR-148b-3p and miR-152-3p). As expected, miR-148a-3p, miR-148b-3p or miR-152-3p could increase Adriamycin sensitivity in breast cancer cells in vitro. Moreover, high expression of SPIN1 or low expression of the miR-148/152 family predicted poorer survival in breast cancer patients. Conclusions Our results establish that SPIN1, negatively regulated by the miR-148/152 family, enhances Adriamycin resistance in breast cancer via upregulating the expression of drug metabolizing enzymes and drug transporter. Electronic supplementary material The online version of this article (10.1186/s13046-018-0748-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Xu Chen
- Department of Pathology, School of Medicine, Shandong University, 44 Wen Hua Xi Road, Jinan, 250012, People's Republic of China
| | - Ya-Wen Wang
- Department of Pathology, School of Medicine, Shandong University, 44 Wen Hua Xi Road, Jinan, 250012, People's Republic of China
| | - Peng Gao
- Department of Pathology, School of Medicine, Shandong University, 44 Wen Hua Xi Road, Jinan, 250012, People's Republic of China.
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IL-8 regulates the doxorubicin resistance of colorectal cancer cells via modulation of multidrug resistance 1 (MDR1). Cancer Chemother Pharmacol 2018; 81:1111-1119. [PMID: 29693201 DOI: 10.1007/s00280-018-3584-x] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 04/16/2018] [Indexed: 12/12/2022]
Abstract
Cytokines play important roles in tumorigenesis and progression of cancer cells, while their functions in drug resistance remain to be illustrated. We successfully generated doxorubicin (Dox)-resistant CRC HCT-116 and SW480 cells (namely HCT-116/Dox and SW480/Dox, respectively). Cytokine expression analysis revealed that IL-8, while not FGF-2, EGF, TGF-β, IL-6, or IL-10, was significantly increased in Dox-resistant CRC cells as compared with their corresponding parental cells. Targeted inhibition of IL-8 via siRNAs or its inhibitor reparixin can increase the Dox sensitivity of HCT-116/Dox and SW480/Dox cells. The si-IL-8 can decrease the mRNA and protein expression of multidrug resistance 1 (MDR1, encoded by ABCB1), while has no effect on the expression of multidrug resistance-associated protein 1 (ABCC1), in CRC Dox-resistant cells. IL-8 can increase the phosphorylation of p65 and then upregulate the binding between p65 and promoter of ABCB1. BAY 11-7082, the inhibitor of NF-κB, suppressed the recombination IL-8 (rIL-8) induced upregulation of ABCB1. It confirmed that NF-κB is involved in IL-8-induced upregulation of ABCB1. rIL-8 also increased the phosphorylation of IKK-β, which can further activate NF-κB, while specific inhibitor of IKK-β (ACHP) can reverse rIL-8-induced phosphorylation of p65 and upregulation of MDR1. These results suggested that IL-8 regulates the Dox resistance of CRC cells via modulation of MDR1 through IKK-β/p65 signals. The targeted inhibition of IL-8 might be an important potential approach to overcome the clinical Dox resistance in CRC patients.
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Hattinger CM, Biason P, Iacoboni E, Gagno S, Fanelli M, Tavanti E, Vella S, Ferrari S, Roli A, Roncato R, Giodini L, Scotlandi K, Picci P, Toffoli G, Serra M. Candidate germline polymorphisms of genes belonging to the pathways of four drugs used in osteosarcoma standard chemotherapy associated with risk, survival and toxicity in non-metastatic high-grade osteosarcoma. Oncotarget 2018; 7:61970-61987. [PMID: 27566557 PMCID: PMC5308704 DOI: 10.18632/oncotarget.11486] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Accepted: 07/29/2016] [Indexed: 02/03/2023] Open
Abstract
This study aimed to identify associations between germline polymorphisms and risk of high-grade osteosarcoma (HGOS) development, event-free survival (EFS) and toxicity in HGOS patients treated with neo-adjuvant chemotherapy and surgery. Germline polymorphisms of 31 genes known to be relevant for transport or metabolism of all four drugs used in HGOS chemotherapy (methotrexate, doxorubicin, cisplatin and ifosfamide) were genotyped in 196 patients with HGOS and in 470 healthy age and gender-matched controls. Of these 196 HGOS patients, a homogeneously treated group of 126 patients was considered for survival analyses (survival cohort). For 57 of these, treatment-related toxicity data were available (toxicity cohort). Eleven polymorphisms were associated with increased risk of developing HGOS (p < 0.05). The distribution of polymorphisms in patients was characterized by a higher Shannon entropy. In the survival cohort (n = 126, median follow-up = 126 months), genotypes of ABCC2_1249A/G, GGH_452T/C, TP53_IVS2+38G/C and CYP2B6*6 were associated with EFS (p < 0.05). In the toxicity cohort (n = 57), genotypes of ABCB1_1236T/C, ABCC2_1249A/G, ABCC2_3972A/G, ERCC1_8092T/G, XPD_23591A/G, XRCC3_18067T/C, MTHFR_1298A/C and GGH_16T/C were associated with elevated risk for toxicity development (p < 0.05). The results obtained in this retrospective study indicate that the aforementioned germline polymorphisms significantly impact on the risk of HGOS development, EFS and the occurrence of chemotherapy-related toxicity. These findings should be prospectively validated with the aim of optimizing and tailoring HGOS treatment in the near future.
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Affiliation(s)
- Claudia M Hattinger
- Laboratory of Experimental Oncology, Orthopaedic Rizzoli Institute, Bologna, Italy
| | - Paola Biason
- National Institute of Health and Medical Research (INSERM), Unity 892, University of Medicine of Angers, Angers, France
| | - Erika Iacoboni
- Laboratory of Experimental Oncology, Orthopaedic Rizzoli Institute, Bologna, Italy
| | - Sara Gagno
- Experimental and Clinical Pharmacology Unit, National Cancer Institute, Aviano, Italy
| | - Marilù Fanelli
- Laboratory of Experimental Oncology, Orthopaedic Rizzoli Institute, Bologna, Italy
| | - Elisa Tavanti
- Laboratory of Experimental Oncology, Orthopaedic Rizzoli Institute, Bologna, Italy
| | - Serena Vella
- Laboratory of Experimental Oncology, Orthopaedic Rizzoli Institute, Bologna, Italy
| | - Stefano Ferrari
- Chemotherapy Ward of Muscoloskeletal Tumours, Orthopaedic Rizzoli Institute, Bologna, Italy
| | - Andrea Roli
- Department of Computer Science and Engineering (DISI), University of Bologna, Cesena, Italy
| | - Rossana Roncato
- Experimental and Clinical Pharmacology Unit, National Cancer Institute, Aviano, Italy
| | - Luciana Giodini
- Experimental and Clinical Pharmacology Unit, National Cancer Institute, Aviano, Italy
| | - Katia Scotlandi
- Laboratory of Experimental Oncology, Orthopaedic Rizzoli Institute, Bologna, Italy
| | - Piero Picci
- Laboratory of Experimental Oncology, Orthopaedic Rizzoli Institute, Bologna, Italy
| | - Giuseppe Toffoli
- Experimental and Clinical Pharmacology Unit, National Cancer Institute, Aviano, Italy
| | - Massimo Serra
- Laboratory of Experimental Oncology, Orthopaedic Rizzoli Institute, Bologna, Italy
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Spitzwieser M, Pirker C, Koblmüller B, Pfeiler G, Hacker S, Berger W, Heffeter P, Cichna-Markl M. Promoter methylation patterns of ABCB1, ABCC1 and ABCG2 in human cancer cell lines, multidrug-resistant cell models and tumor, tumor-adjacent and tumor-distant tissues from breast cancer patients. Oncotarget 2018; 7:73347-73369. [PMID: 27689338 PMCID: PMC5341984 DOI: 10.18632/oncotarget.12332] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Accepted: 09/19/2016] [Indexed: 12/21/2022] Open
Abstract
Overexpression of ABCB1, ABCC1 and ABCG2 in tumor tissues is considered a major cause of limited efficacy of anticancer drugs. Gene expression of ABC transporters is regulated by multiple mechanisms, including changes in the DNA methylation status. Most of the studies published so far only report promoter methylation levels for either ABCB1 or ABCG2, and data on the methylation status for ABCC1 are scarce. Thus, we determined the promoter methylation patterns of ABCB1, ABCC1 and ABCG2 in 19 human cancer cell lines. In order to contribute to the elucidation of the role of DNA methylation changes in acquisition of a multidrug resistant (MDR) phenotype, we also analyzed the promoter methylation patterns in drug-resistant sublines of the cancer cell lines GLC-4, SW1573, KB-3-1 and HL-60. In addition, we investigated if aberrant promoter methylation levels of ABCB1, ABCC1 and ABCG2 occur in tumor and tumor-surrounding tissues from breast cancer patients. Our data indicates that hypomethylation of the ABCC1 promoter is not cancer type-specific but occurs in cancer cell lines of different origins. Promoter methylation was found to be an important mechanism in gene regulation of ABCB1 in parental cancer cell lines and their drug-resistant sublines. Overexpression of ABCC1 in MDR cell models turned out to be mediated by gene amplification, not by changes in the promoter methylation status of ABCC1. In contrast to the promoters of ABCC1 and ABCG2, the promoter of ABCB1 was significantly higher methylated in tumor tissues than in tumor-adjacent and tumor-distant tissues from breast cancer patients.
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Affiliation(s)
| | - Christine Pirker
- Department of Medicine I, Institute of Cancer Research and Comprehensive Cancer Center of the Medical University, Medical University of Vienna, Vienna, Austria
| | - Bettina Koblmüller
- Department of Medicine I, Institute of Cancer Research and Comprehensive Cancer Center of the Medical University, Medical University of Vienna, Vienna, Austria
| | - Georg Pfeiler
- Department of Obstetrics and Gynecology, Division of Gynecology and Gynecological Oncology, Medical University of Vienna, Vienna, Austria
| | - Stefan Hacker
- Department of Plastic and Reconstructive Surgery, Medical University of Vienna, Vienna, Austria
| | - Walter Berger
- Department of Medicine I, Institute of Cancer Research and Comprehensive Cancer Center of the Medical University, Medical University of Vienna, Vienna, Austria
| | - Petra Heffeter
- Department of Medicine I, Institute of Cancer Research and Comprehensive Cancer Center of the Medical University, Medical University of Vienna, Vienna, Austria
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Yao L, Gu J, Mao Y, Zhang X, Wang X, Jin C, Fu D, Li J. Dynamic quantitative detection of ABC transporter family promoter methylation by MS-HRM for predicting MDR in pancreatic cancer. Oncol Lett 2018; 15:5602-5610. [PMID: 29552197 PMCID: PMC5840752 DOI: 10.3892/ol.2018.8041] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2016] [Accepted: 09/01/2017] [Indexed: 12/11/2022] Open
Abstract
The main focus of the present study was to evaluate whether ABC transporter family promoter methylation predicted multidrug resistance in gemcitabine-resistant cancer cell lines (BxPC-3/Gem and PANC-1/Gem). Using low concentrations of gemcitabine, the cell lines acquired drug resistance with different initial gemcitabine concentrations. A novel technology, methylation-sensitive high-resolution melting, was used to monitor the dynamic changes of ABC transporter family promoter methylation, including ATP binding cassette subfamily B member 1 (ABCB1), ATP binding cassette subfamily C (ABCC) and ATP binding cassette subfamily G member 2 (ABCG2) mRNA expression. It was revealed that, with elevation of initial gemcitabine concentration, expression of ABCB1, ABCC and ABCG2 mRNA and corresponding downstream proteins was increased while promoter methylation was decreased. These discoveries indicate that promoter methylation of ABCB1, ABCC and ABCG2 may be a valuable indicator of drug-resistance characteristics in BxPC-3/Gem and PANC-1/Gem cells via quantitative and simultaneous detection. These results also implied that MDR in pancreatic cancer not only arises from gene mutation, but also originates from promoter methylation.
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Affiliation(s)
- Lie Yao
- Department of Pancreatic Surgery, Huashan Hospital, Fudan University, Shanghai 200040, P.R. China
| | - Jichun Gu
- Department of Pancreatic Surgery, Huashan Hospital, Fudan University, Shanghai 200040, P.R. China
| | - Yishen Mao
- Department of Clinical Medicine, Fudan University, Shanghai 200082, P.R. China
| | - Xinju Zhang
- Central Laboratory, Huashan Hospital, Fudan University, Shanghai 200040, P.R. China
| | - Xiaoyi Wang
- Department of Pancreatic Surgery, Huashan Hospital, Fudan University, Shanghai 200040, P.R. China
| | - Chen Jin
- Department of Pancreatic Surgery, Huashan Hospital, Fudan University, Shanghai 200040, P.R. China
| | - Deliang Fu
- Department of Pancreatic Surgery, Huashan Hospital, Fudan University, Shanghai 200040, P.R. China
| | - Ji Li
- Department of Pancreatic Surgery, Huashan Hospital, Fudan University, Shanghai 200040, P.R. China
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Bae S, D'Cunha R, Shao J, An G. Effect of 5,7-dimethoxyflavone on Bcrp1-mediated transport of sorafenib in vitro and in vivo in mice. Eur J Pharm Sci 2018; 117:27-34. [PMID: 29425861 DOI: 10.1016/j.ejps.2018.02.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2017] [Revised: 11/28/2017] [Accepted: 02/05/2018] [Indexed: 02/09/2023]
Abstract
Tyrosine kinase inhibitors (TKI) are a novel and target-specific class of anticancer drugs. One drawback of TKI therapy is cancer resistance to TKI. An important TKI resistance mechanism is enhanced efflux of TKI by efflux transporters, such as Breast Cancer Resistance Protein (BCRP), in cancer cells. 5,7-Dimethoxyflavone (5,7-DMF) is a natural flavonoid which was recently reported to be a potent BCRP inhibitor. In the current study, the effect of 5,7-DMF on the disposition of sorafenib, a TKI which is a good substrate of BCRP, was investigated both in vitro in efflux transporter expressing cells and in vivo in mice. 5,7-DMF significantly inhibited Bcrp1-mediated sorafenib efflux in a concentration dependent manner in MDCK/Bcrp1 cells, with EC50 value of 8.78 μM. The pharmacokinetics and tissue distribution of sorafenib (10 mg/kg) with and without co-administration of 75 mg/kg 5,7-DMF were determined. With 5,7-DMF, the AUC of sorafenib in plasma was 47,400 ± 4790 ng·h/mL, which was significantly higher than 27,300 ± 2650 ng·h/mL in sorafenib alone group. In addition, compared to sorafenib alone group, great increase in sorafenib AUC was observed in most tissues collected when sorafenib was given with 5,7-DMF. Our results indicated that 5,7-DMF may represent a novel and very promising chemosensitizing agent for BCRP-mediated anticancer drug resistance due to its low toxicity and potent BCRP inhibition.
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Affiliation(s)
- SoHyun Bae
- College of Pharmacy, University of Iowa, Iowa City, IA 52242, USA
| | - Ronilda D'Cunha
- The Division of Pharmaceutics and Translational Therapeutics, College of Pharmacy, University of Iowa, Iowa City, IA 52242, USA
| | - Jie Shao
- Department of Pharmaceutics, College of Pharmacy, University of Florida, Gainesville, FL 32611, USA
| | - Guohua An
- The Division of Pharmaceutics and Translational Therapeutics, College of Pharmacy, University of Iowa, Iowa City, IA 52242, USA.
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Takechi T, Hirota T, Sakai T, Maeda N, Kobayashi D, Ieiri I. Interindividual Differences in the Expression of ATP-Binding Cassette and Solute Carrier Family Transporters in Human Skin: DNA Methylation Regulates Transcriptional Activity of the Human ABCC3 Gene. Drug Metab Dispos 2018; 46:628-635. [PMID: 29437875 DOI: 10.1124/dmd.117.079061] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Accepted: 01/30/2018] [Indexed: 01/01/2023] Open
Abstract
The identification of drug transporters expressed in human skin and interindividual differences in gene expression is important for understanding the role of drug transporters in human skin. In the present study, we evaluated the expression of ATP-binding cassette (ABC) and solute carrier (SLC) transporters using human skin tissues. In skin samples, ABCC3 was expressed at the highest levels, followed by SLCO3A1, SLC22A3, SLC16A7, ABCA2, ABCC1, and SLCO2B1. Among the quantitated transporters, ABCC3 accounted for 20.0% of the total mean transporter mRNA content. The expression of ABCC3 mRNA showed large interindividual variability (9.5-fold). None of the single nucleotide polymorphisms tested (-1767G>A, -1328G>A, -1213C>G, -897delC, -260T>A, and -211C>T) in the promoter region of the ABCC3 gene showed a significant change in ABCC3 mRNA levels. ABCC3 expression levels negatively correlated with the methylation status of the CpG island (CGI) located approximately 10 kilobase pairs upstream of ABCC3 (Rs: -0.323, P < 0.05). The reporter gene assay revealed a significant increase in transcriptional activity in the presence of CGI. ABCC3 mRNA was upregulated in HaCaT cells by the demethylating agent 5-aza-2'-deoxycytidine. Furthermore, the deletion of the region surrounding CGI using the clustered regularly interspaced short palindromic repeat/Cas9 system resulted in significantly lower ABCC3 mRNA levels than those in control clones in HaCaT cells. Herein, we demonstrated large interindividual differences in the expression of drug transporters in human skin. CGI may function as an enhancer of the transcription of ABCC3, and methylation levels in CGI contribute to the variability of ABCC3 expression in human skin.
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Affiliation(s)
- Tomoki Takechi
- Department of Clinical Pharmacokinetics, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan (T.T., T.H., T.S., N.M., I.I.); Drug Development Research Laboratories, Kyoto R&D Center, Maruho Co., Ltd., Kyoto, Japan (T.T.); and Department of Clinical Pharmacy and Pharmaceutical Care, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan (D.K.)
| | - Takeshi Hirota
- Department of Clinical Pharmacokinetics, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan (T.T., T.H., T.S., N.M., I.I.); Drug Development Research Laboratories, Kyoto R&D Center, Maruho Co., Ltd., Kyoto, Japan (T.T.); and Department of Clinical Pharmacy and Pharmaceutical Care, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan (D.K.)
| | - Tatsuya Sakai
- Department of Clinical Pharmacokinetics, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan (T.T., T.H., T.S., N.M., I.I.); Drug Development Research Laboratories, Kyoto R&D Center, Maruho Co., Ltd., Kyoto, Japan (T.T.); and Department of Clinical Pharmacy and Pharmaceutical Care, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan (D.K.)
| | - Natsumi Maeda
- Department of Clinical Pharmacokinetics, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan (T.T., T.H., T.S., N.M., I.I.); Drug Development Research Laboratories, Kyoto R&D Center, Maruho Co., Ltd., Kyoto, Japan (T.T.); and Department of Clinical Pharmacy and Pharmaceutical Care, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan (D.K.)
| | - Daisuke Kobayashi
- Department of Clinical Pharmacokinetics, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan (T.T., T.H., T.S., N.M., I.I.); Drug Development Research Laboratories, Kyoto R&D Center, Maruho Co., Ltd., Kyoto, Japan (T.T.); and Department of Clinical Pharmacy and Pharmaceutical Care, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan (D.K.)
| | - Ichiro Ieiri
- Department of Clinical Pharmacokinetics, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan (T.T., T.H., T.S., N.M., I.I.); Drug Development Research Laboratories, Kyoto R&D Center, Maruho Co., Ltd., Kyoto, Japan (T.T.); and Department of Clinical Pharmacy and Pharmaceutical Care, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan (D.K.)
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Chen YC, Chung CC, Lin YK, Chen YJ. Genetic and ethnic modulation of cardiovascular toxicity of vascular endothelial growth factor inhibitors. Ann Med 2018; 50:46-56. [PMID: 28929822 DOI: 10.1080/07853890.2017.1383629] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Vascular endothelial growth factor (VEGF) inhibitors, including monoclonal antibodies and tyrosine kinase inhibitors (TKIs), are important as anticancer treatments through curbing tumour angiogenesis and growth. VEGF inhibitors have significant cardiovascular effects. By blocking VEGF receptors, ligands, or signal pathways, VEGF inhibitors disturb the balance between vasodilation and vasoconstriction, undermine endothelial cell integrity, and activate cardiomyocyte apoptosis. VEGF inhibitors increase risks of hypertension, heart failure, thromboembolism and arrhythmia. Genetic and geographic studies showed that genetic polymorphisms likely play significant predictive or prognostic roles in cardiovascular toxicity associated with VEGF inhibitors. This review updates current understandings of VEGF inhibitors on cardiovascular toxicity, explores potential mechanisms, and clarifies whether genetic or ethnic factors contribute to their adverse effects. Key Messages VEGF inhibitors disturb the balance between vasodilation and vasoconstriction, undermine endothelial cell integrity and activate cardiomyocyte apoptosis. VEGF inhibitors increase risks of hypertension, heart failure, thromboembolism and arrhythmia. Genetic and geographic studies showed that genetic polymorphisms likely play significant predictive or prognostic roles in cardiovascular toxicity associated with VEGF inhibitors.
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Affiliation(s)
- Yen-Chou Chen
- a Division of Cardiovascular Medicine, Department of Internal Medicine , Wan Fang Hospital, Taipei Medical University , Taipei , Taiwan
| | - Cheng-Chih Chung
- a Division of Cardiovascular Medicine, Department of Internal Medicine , Wan Fang Hospital, Taipei Medical University , Taipei , Taiwan.,b Graduate Institute of Clinical Medicine, College of Medicine , Taipei Medical University , Taipei , Taiwan
| | - Yung-Kuo Lin
- a Division of Cardiovascular Medicine, Department of Internal Medicine , Wan Fang Hospital, Taipei Medical University , Taipei , Taiwan
| | - Yi-Jen Chen
- a Division of Cardiovascular Medicine, Department of Internal Medicine , Wan Fang Hospital, Taipei Medical University , Taipei , Taiwan.,b Graduate Institute of Clinical Medicine, College of Medicine , Taipei Medical University , Taipei , Taiwan
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Lee SH, Kim HY, Back SY, Han HK. Piperine-mediated drug interactions and formulation strategy for piperine: recent advances and future perspectives. Expert Opin Drug Metab Toxicol 2017; 14:43-57. [PMID: 29250980 DOI: 10.1080/17425255.2018.1418854] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
INTRODUCTION Piperine has various pharmacological effects and can modulate the functional activity of metabolic enzymes and drug transporters. Consequently, there is a great interest in the application of piperine as an alternative medicine or bioavailability enhancer. Areas covered: This review deals with the effects of piperine on metabolizing enzymes and drug transporters. It provides the readers with an update on transporter-mediated and also metabolic enzyme-mediated piperine-drug interactions, with emphasis on its in vivo implications. This article also encompasses recent advances in the formulation approaches and technologies for optimizing the delivery of piperine. Expert opinion: Piperine can influence the pharmacokinetics of coadministered drugs, which may result in a therapeutically beneficial or adverse effect. Given that piperine inhibits or stimulates the activity of metabolic enzymes and transporters depending on the treatment conditions, the clinical significance of piperine-drug interactions should be assessed by varying the dose, dosing frequency, and the duration of treatment. In particular, better understanding the clinical relevance of piperine-drug interactions based on long-term assessments will provide a strong basis for the feasibility and applicability of piperine as a bioenhancer or a health-promoting agent. The development of effective formulations is also critical to facilitate the therapeutic applications of piperine.
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Affiliation(s)
- Sang Hoon Lee
- a College of Pharmacy , Dongguk University-Seoul , Goyang , Korea
| | - Hyeon Young Kim
- a College of Pharmacy , Dongguk University-Seoul , Goyang , Korea
| | - Seung Yun Back
- a College of Pharmacy , Dongguk University-Seoul , Goyang , Korea
| | - Hyo-Kyung Han
- a College of Pharmacy , Dongguk University-Seoul , Goyang , Korea
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Hu W, Lin X, Zhang H, Zhao N. ATP Binding Cassette Subfamily A Member 2 (ABCA2) Expression and Methylation are Associated with Alzheimer's Disease. Med Sci Monit 2017; 23:5851-5861. [PMID: 29224028 PMCID: PMC5733562 DOI: 10.12659/msm.905524] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Background ABCA2 has been genetically linked to Alzheimer’s disease (AD) risk, but its mRNA expression and epigenetics in AD have not been investigated. Material/Method To explore the diagnosis value of ABCA2 mRNA expression in AD, 2 datasets GES15222 and GSE33000 containing expression profile of brain cortex tissues and 2 datasets GSE63063 (Cohort 1) and GSE63063 (Cohort 2) containing expression profile of blood were downloaded from the NCBI GEO database and analyzed by receiver operating characteristic curve (ROC) analyses and logistic regression. The ABCA2 co-expressed genes were also analyzed by GO annotation to investigate the potential molecular mechanisms. Results The analyses results suggested ABCA2 mRNA expression was upregulated significantly in AD compared with controls in all datasets. ROC analysis suggested that ABCA2 was associated with AD in all datasets, which were also proved by univariate and multivariate analyses. Next, the dataset GSE80970 containing methylation profiles of prefrontal cortex tissues from AD patients were downloaded and analyzed. Methylation of 2 of 36 CpG islands in ABCA2 gene with high diagnostic accuracy of AD from controls in ROC analyses were found to be negatively associated with AD risk in univariate analysis. One was still associated with AD risk after adjustment of confounding factors. Additional analyses indicated that ACBA2 mRNA expression could be used to diagnose mild cognitive impairment (MCI) and Huntington’s disease (HD) from controls and to distinguish HD from AD, but not AD from MCI. Furthermore, the genes involved in AD during ABCA2 alteration were analyzed by GO analysis. Conclusions ABCA2 mRNA expression and methylation is associated AD risk. ABCA2 may be used as a biomarker for AD diagnosis and may be a potential therapeutic target of AD.
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Affiliation(s)
- Wanhua Hu
- Department of Neurology, Wenzhou Hospital of Traditional Chinese Medicine, Wenzhou, Zhejiang, China (mainland)
| | - Xiaodong Lin
- Department of Traditional Chinese Internal Medicine, Wenzhou Seventh People's Hospital, Wenzhou, Zhejiang, China (mainland)
| | - Huihe Zhang
- Department of Neurology, Wenzhou Hospital of Traditional Chinese Medicine, Wenzhou, Zhejiang, China (mainland)
| | - Na Zhao
- Department of Neurology, Wenzhou Hospital of Traditional Chinese Medicine, Wenzhou, Zhejiang, China (mainland)
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Evaluation of the Role of ABCB1gene Polymorphic Variants on Psychiatric Disorders Predisposition in Macedonian Population. ACTA ACUST UNITED AC 2017; 38:71-88. [PMID: 29668471 DOI: 10.2478/prilozi-2018-0008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The psychiatric and other CNS disorders are characterized with unregulated neuro-inflammatory processes and chronic microglia cell activation resulting with detrimental effect. ABCB1gene polymorphismsC1236T, G2677T/Aand C3435T are associated with P-glycoprotein expression and function andare linked with predisposition to psychiatric disorders such as schizophrenia and bipolar disorders. The relationship between mood disorders and glucocorticoids has been confirmed and ABCB1 SNPs influence the glucocorticoids access to the brain. The aim of the study is evaluation of the influence of the three most common ABCB1SNPs on predisposition to psychiatric disorders in Macedonian population. In the study 107 unrelated healthy Macedonians of both sexes were enrolled as a control group and patient population of 54 patients (22 to 65 years old) diagnosed with schizophrenia or bipolar disorder. ABCB1 for three polymorphisms were analyzed by Real-Time PCR in both groups. The results have confirmed the role of the ABCB1 gene in predisposition to psychiatric disorders and increased risk of developing bipolar disorder in carriers of the heterozygotes and mutant homozygotes for polymorphic variations in 1236 and 2677 in comparison to the normal genotype carriers. Three-fold higher risk was estimated for psychiatric illness in women that are 1236 and 2677 heterozygous carrier (heterozygous and mutant homozygous) compared to healthy control (men and women) population and four-fold higher risk in comparison only to healthy women population. Mutant allele carriers for 1236 and 2677 polymorphisms that are 35 years and below in patients population have almost three-fold higher risk for development of psychiatric illness.
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Kaehler M, Ruemenapp J, Gonnermann D, Nagel I, Bruhn O, Haenisch S, Ammerpohl O, Wesch D, Cascorbi I, Bruckmueller H. MicroRNA-212/ABCG2-axis contributes to development of imatinib-resistance in leukemic cells. Oncotarget 2017; 8:92018-92031. [PMID: 29190894 PMCID: PMC5696160 DOI: 10.18632/oncotarget.21272] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2017] [Accepted: 09/08/2017] [Indexed: 12/27/2022] Open
Abstract
BCR-ABL-independent resistance against tyrosine kinase inhibitor is an emerging problem in therapy of chronic myeloid leukemia. Such drug resistance can be linked to dysregulation of ATP-binding cassette (ABC)-transporters leading to increased tyrosine kinase inhibitor efflux, potentially caused by changes in microRNA expression or DNA-methylation. In an in vitro-imatinib-resistance model using K-562 cells, microRNA-212 was found to be dysregulated and inversely correlated to ABC-transporter ABCG2 expression, targeting its 3'-UTR. However, the functional impact on drug sensitivity remained unknown. Therefore, we performed transfection experiments using microRNA-mimics and -inhibitors and investigated their effect on imatinib-susceptibility in sensitive and resistant leukemic cell lines. Under imatinib-treatment, miR-212 inhibition led to enhanced cell viability (p = 0.01), reduced apoptosis (p = 0.01) and cytotoxicity (p = 0.03). These effects were limited to treatment-naïve cells and were not observed in cells, which were resistant to various imatinib-concentrations (0.1 μM to 2 μM). Further analysis in treatment-naïve cells revealed that miR-212 inhibition resulted in ABCG2 upregulation and increased ABCG2-dependent efflux. Furthermore, we observed miR-212 promoter hypermethylation in 0.5 and 2 μM IM-resistant sublines, whereas ABCG2 methylation status was not altered. Taken together, the miR-212/ABCG2-axis influences imatinib-susceptibility contributing to development of imatinib-resistance. Our data reveal new insights into mechanisms initiating imatinib-resistance in leukemic cells.
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Affiliation(s)
- Meike Kaehler
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Johanna Ruemenapp
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Daniel Gonnermann
- Institute of Immunology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Inga Nagel
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Oliver Bruhn
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Sierk Haenisch
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Ole Ammerpohl
- Institute of Human Genetics, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Daniela Wesch
- Institute of Immunology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Ingolf Cascorbi
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Henrike Bruckmueller
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
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Pan ST, Li ZL, He ZX, Qiu JX, Zhou SF. Molecular mechanisms for tumour resistance to chemotherapy. Clin Exp Pharmacol Physiol 2017; 43:723-37. [PMID: 27097837 DOI: 10.1111/1440-1681.12581] [Citation(s) in RCA: 259] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 04/13/2016] [Accepted: 04/18/2016] [Indexed: 12/25/2022]
Abstract
Chemotherapy is one of the prevailing methods used to treat malignant tumours, but the outcome and prognosis of tumour patients are not optimistic. Cancer cells gradually generate resistance to almost all chemotherapeutic drugs via a variety of distinct mechanisms and pathways. Chemotherapeutic resistance, either intrinsic or acquired, is caused and sustained by reduced drug accumulation and increased drug export, alterations in drug targets and signalling transduction molecules, increased repair of drug-induced DNA damage, and evasion of apoptosis. In order to better understand the mechanisms of chemoresistance, this review highlights our current knowledge of the role of altered drug metabolism and transport and deregulation of apoptosis and autophagy in the development of tumour chemoresistance. Reduced intracellular activation of prodrugs (e.g. thiotepa and tegafur) or enhanced drug inactivation by Phase I and II enzymes contributes to the development of chemoresistance. Both primary and acquired resistance can be caused by alterations in the transport of anticancer drugs which is mediated by a variety of drug transporters such as P-glycoprotein (P-gp), multidrug resistance associated proteins, and breast cancer resistance protein. Presently there is a line of evidence indicating that deregulation of programmed cell death including apoptosis and autophagy is also an important mechanism for tumour resistance to anticancer drugs. Reversal of chemoresistance is likely via pharmacological and biological approaches. Further studies are warranted to grasp the full picture of how each type of cancer cells develop resistance to anticancer drugs and to identify novel strategies to overcome it.
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Affiliation(s)
- Shu-Ting Pan
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.,Department of Pharmaceutical Sciences, College of Pharmacy, University of South Florida, Tampa, FL, USA
| | - Zhi-Ling Li
- Department of Pharmacy, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Zhi-Xu He
- Guizhou Provincial Key Laboratory for Regenerative Medicine, Stem Cell and Tissue Engineering Research Centre & Sino-US Joint Laboratory for Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China
| | - Jia-Xuan Qiu
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Shu-Feng Zhou
- Department of Pharmaceutical Sciences, College of Pharmacy, University of South Florida, Tampa, FL, USA
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Keiser M, Kaltheuner L, Wildberg C, Müller J, Grube M, Partecke LI, Heidecke CD, Oswald S. The Organic Anion–Transporting Peptide 2B1 Is Localized in the Basolateral Membrane of the Human Jejunum and Caco-2 Monolayers. J Pharm Sci 2017; 106:2657-2663. [DOI: 10.1016/j.xphs.2017.04.001] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 04/03/2017] [Accepted: 04/03/2017] [Indexed: 01/23/2023]
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Cytochrome P450/ABC transporter inhibition simultaneously enhances ivermectin pharmacokinetics in the mammal host and pharmacodynamics in Anopheles gambiae. Sci Rep 2017; 7:8535. [PMID: 28819225 PMCID: PMC5561046 DOI: 10.1038/s41598-017-08906-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Accepted: 07/14/2017] [Indexed: 01/06/2023] Open
Abstract
Mass administration of endectocides, drugs that kill blood-feeding arthropods, has been proposed as a complementary strategy to reduce malaria transmission. Ivermectin is one of the leading candidates given its excellent safety profile. Here we provide proof that the effect of ivermectin can be boosted at two different levels by drugs inhibiting the cytochrome or ABC transporter in the mammal host and the target mosquitoes. Using a mini-pig model, we show that drug-mediated cytochrome P450/ABC transporter inhibition results in a 3-fold increase in the time ivermectin remains above mosquito-killing concentrations. In contrast, P450/ABC transporter induction with rifampicin markedly impaired ivermectin absorption. The same ketoconazole-mediated cytochrome/ABC transporter inhibition also occurs outside the mammal host and enhances the mortality of Anopheles gambiae. This was proven by using the samples from the mini-pig experiments to conduct an ex-vivo synergistic bioassay by membrane-feeding Anopheles mosquitoes. Inhibiting the same cytochrome/xenobiotic pump complex in two different organisms to simultaneously boost the pharmacokinetic and pharmacodynamic activity of a drug is a novel concept that could be applied to other systems. Although the lack of a dose-response effect in the synergistic bioassay warrants further exploration, our study may have broad implications for the control of parasitic and vector-borne diseases.
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74
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Expression and regulation of drug transporters in vertebrate neutrophils. Sci Rep 2017; 7:4967. [PMID: 28694436 PMCID: PMC5504015 DOI: 10.1038/s41598-017-04785-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 05/19/2017] [Indexed: 12/16/2022] Open
Abstract
There remains a need to identify novel pro-resolution drugs for treatment of inflammatory disease. To date, there are no neutrophil-specific anti-inflammatory treatments in clinical use, perhaps due to our lack of understanding of how drugs access this complex cell type. Here we present the first comprehensive description and expression of both major classes of drug transporters, SLC and ABC, in resting human blood neutrophils. Moreover, we have studied the expression of these carriers in the tractable model system, the zebrafish (Danio rerio), additionally examining the evolutionary relationship between drug transporters in zebrafish and humans. We anticipate that this will be a valuable resource to the field of inflammation biology and will be an important asset in future anti-inflammatory drug design.
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75
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Li X, Shen JK, Hornicek FJ, Xiao T, Duan Z. Noncoding RNA in drug resistant sarcoma. Oncotarget 2017; 8:69086-69104. [PMID: 28978183 PMCID: PMC5620323 DOI: 10.18632/oncotarget.19029] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Accepted: 06/26/2017] [Indexed: 12/11/2022] Open
Abstract
Sarcomas are a group of malignant tumors that arise from mesenchymal origin. Despite significant development of multidisciplinary treatments for sarcoma, survival rates have reached a plateau. Chemotherapy has been extensively used for sarcoma treatment; however, the development of drug resistance is a major obstacle limiting the success of many anticancer agents. Sarcoma biology has traditionally focused on genomic and epigenomic deregulation of protein-coding genes to identify the therapeutic potential for reversing drug resistance. New and more creative approaches have found the involvement of noncoding RNAs, including microRNAs and long noncoding RNAs in drug resistant sarcoma. In this review, we discuss the current knowledge of noncoding RNAs characteristics and the regulated genes involved in drug resistant sarcoma, and focus on their therapeutic potential in the future.
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Affiliation(s)
- Xiaoyang Li
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China.,Sarcoma Biology Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, 02114, USA
| | - Jacson K Shen
- Sarcoma Biology Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, 02114, USA
| | - Francis J Hornicek
- Sarcoma Biology Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, 02114, USA
| | - Tao Xiao
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
| | - Zhenfeng Duan
- Sarcoma Biology Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, 02114, USA
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76
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Tsukamoto M, Sato S, Satake K, Miyake M, Nakagawa H. Quantitative Evaluation of Drug Resistance Profile of Cells Expressing Wild-Type or Genetic Polymorphic Variants of the Human ABC Transporter ABCC4. Int J Mol Sci 2017; 18:ijms18071435. [PMID: 28677646 PMCID: PMC5535926 DOI: 10.3390/ijms18071435] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Revised: 05/30/2017] [Accepted: 06/26/2017] [Indexed: 01/11/2023] Open
Abstract
Broad-spectrum resistance in cancer cells is often caused by the overexpression of ABC transporters; which varies across individuals because of genetic single-nucleotide polymorphisms (SNPs). In the present study; we focused on human ABCC4 and established cells expressing the wild-type (WT) or SNP variants of human ABCC4 using the Flp-In™ system (Invitrogen, Life Technologies Corp, Carlsbad, CA, USA) based on Flp recombinase-mediated transfection to quantitatively evaluate the effects of nonsynonymous SNPs on the drug resistance profiles of cells. The mRNA levels of the cells expressing each ABCC4 variant were comparable. 3-(4,5-Dimethyl-2-thiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay clearly indicated that the EC50 values of azathioprine against cells expressing ABCC4 (WT) were 1.4–1.7-fold higher than those against cells expressing SNP variants of ABCC4 (M184K; N297S; K304N or E757K). EC50 values of 6-mercaptopurine or 7-Ethyl-10-hydroxy-camptothecin (SN-38) against cells expressing ABCC4 (WT) were also 1.4–2.0- or 1.9-fold higher than those against cells expressing the SNP variants of ABCC4 (K304N or E757K) or (K304N; P403L or E757K); respectively. These results indicate that the effects of nonsynonymous SNPs on the drug resistance profiles of cells expressing ABCC4 can be quantitatively evaluated using the Flp-In™ system.
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Affiliation(s)
- Megumi Tsukamoto
- Department of Applied Biological Chemistry, Graduate School of Bioscience and Biotechnology, Chubu University, 1200 Matsumoto-cho, Kasugai 487-8501, Japan.
| | - Shiori Sato
- Department of Applied Biological Chemistry, College of Bioscience and Biotechnology, Chubu University, 1200 Matsumoto-cho, Kasugai, Aichi 487-8501, Japan.
| | - Kazuhiro Satake
- Department of Applied Biological Chemistry, Graduate School of Bioscience and Biotechnology, Chubu University, 1200 Matsumoto-cho, Kasugai 487-8501, Japan.
| | - Mizuki Miyake
- Department of Applied Biological Chemistry, Graduate School of Bioscience and Biotechnology, Chubu University, 1200 Matsumoto-cho, Kasugai 487-8501, Japan.
| | - Hiroshi Nakagawa
- Department of Applied Biological Chemistry, College of Bioscience and Biotechnology, Chubu University, 1200 Matsumoto-cho, Kasugai, Aichi 487-8501, Japan.
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77
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How gene polymorphisms can influence clinical response and toxicity following R-CHOP therapy in patients with diffuse large B cell lymphoma. Blood Rev 2017; 31:235-249. [DOI: 10.1016/j.blre.2017.02.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2016] [Revised: 12/07/2016] [Accepted: 02/03/2017] [Indexed: 12/20/2022]
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78
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Ankathil R. ABCB1 genetic variants in leukemias: current insights into treatment outcomes. Pharmgenomics Pers Med 2017; 10:169-181. [PMID: 28546766 PMCID: PMC5438075 DOI: 10.2147/pgpm.s105208] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Despite improvements in treatment of different types of leukemia, not all patients respond optimally for a particular treatment. Some treatments will work better for some, while being harmful or ineffective for others. This is due to genetic variation in the form of single-nucleotide polymorphisms (SNPs) that affect gene expression or function and cause inherited interindividual differences in the metabolism and disposition of drugs. Drug transporters are one of the determinants governing the pharmacokinetic profile of chemotherapeutic drugs. The ABCB1 transporter gene transports a wide range of drugs, including drugs used in leukemia treatment. Polymorphisms in the ABCB1 gene do affect intrinsic resistance and pharmacokinetics of several drugs used in leukemia treatment protocols and thereby affect the efficacy of treatment and event-free survival. This review focuses on the impact of three commonly occurring SNPs (1236C>T, 2677G>T/A, and 3435C>T) of ABCB1 on treatment response of various types of leukemia. From the literature available, some of the genotypes and haplotypes of these SNPs have been found to be potential determinants of interindividual variability in drug disposition and pharmacologic response in different types of leukemia. However, due to inconsistencies in the results observed across the studies, additional studies, considering novel genomic methodologies, comprehensive definition of clinical phenotypes, adequate sample size, and uniformity in all the confounding factors, are warranted.
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Affiliation(s)
- Ravindran Ankathil
- Human Genome Centre, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
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79
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Genovese I, Ilari A, Assaraf YG, Fazi F, Colotti G. Not only P-glycoprotein: Amplification of the ABCB1- containing chromosome region 7q21 confers multidrug resistance upon cancer cells by coordinated overexpression of an assortment of resistance-related proteins. Drug Resist Updat 2017; 32:23-46. [DOI: 10.1016/j.drup.2017.10.003] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Revised: 10/01/2017] [Accepted: 10/11/2017] [Indexed: 02/07/2023]
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80
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Wang JH, Wang XW, Qu D, Sun JW, Guo FX, Lu D. Upregulation of microRNA-143 reverses drug resistance in human breast cancer cells via inhibition of cytokine-induced apoptosis inhibitor 1. Oncol Lett 2017; 13:4695-4700. [PMID: 28588724 PMCID: PMC5452889 DOI: 10.3892/ol.2017.6078] [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] [Received: 05/02/2016] [Accepted: 04/06/2017] [Indexed: 01/22/2023] Open
Abstract
Cytokine-induced apoptosis inhibitor 1 (CIAPIN1), originally termed anamorsin, is an anti-apoptotic molecule that acts as a downstream effector of the receptor tyrosine kinase-Ras signaling pathway. Overexpression of CIAPIN1 contributes to multidrug resistance (MDR) and microRNA (miR)-143 is typically considered a tumor suppressor in breast cancer. The present study aimed to evaluate the therapeutic potential of miR-143 as a treatment for drug-resistant breast cancer via the downregulation of CIAPIN1 in vitro. The expression levels of miR-143 were measured using quantitative polymerase chain reaction and the expression levels of CIAPIN1 were detected via western blot analysis. Bioinformatic analyses was additionally conducted to search for miR-143, which may potentially target CIAPIN1. Luciferase reporter plasmids were created and used to verify direct targeting. In addition, Taxol-induced drug-resistant (TDR) breast cancer cell proliferation was evaluated using the Cell Counting Kit-8 assay in vitro. The present study identified an inverse association between miR-143 and CIAPIN1 protein expression levels in breast cancer MCF-7, MDA-MB-231 and MDA-MB-453 TDR cells. Specific targeting sites for miR-143 in the 3′-untranslated region of the CIAPIN1 gene were identified, which exhibit the ability to regulate CIAPIN1 expression. It was revealed that the repression of CIAPIN1 via miR-143 suppressed the proliferation of breast cancer TDR cells. The findings of the present study verified the role of miR-143 as a tumor suppressor in breast cancer MDR via inhibition of CIAPIN1 translation.
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Affiliation(s)
- Jing-Hao Wang
- Department of Pharmacy, The Second Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Xiu-Wen Wang
- Department of Oncology, The Second Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Di Qu
- Department of Oncology, The Second Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Ji-Wen Sun
- Department of Oncology, The Second Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Fei-Xiao Guo
- Department of Oncology, The Second Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Dan Lu
- Department of Oncology, The Second Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
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81
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Liu D, Wu N, Sun H, Dong M, Guo T, Chi P, Li G, Sun D, Jin Y. ABCG2 and NCF4 polymorphisms are associated with clinical outcomes in diffuse large B-cell lymphoma patients treated with R-CHOP. Oncotarget 2017; 8:58292-58303. [PMID: 28938556 PMCID: PMC5601652 DOI: 10.18632/oncotarget.16869] [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] [Received: 10/19/2016] [Accepted: 03/09/2017] [Indexed: 02/06/2023] Open
Abstract
The impact of pharmacogenetics on predicting survival in diffuse large B-cell lymphoma (DLBCL) remains unclear. We tested 337 DLBCL patients treated with rituximab-cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) for 9 single nucleotide polymorphisms from 6 genes (CD20, FCGR2A, NAD(P)H, ABCC2, ABCG2 and CYP3A5). Patients who carried the NCF4 rs1883112 GG genotype showed significantly shorter progression-free survival (PFS) (P = 0.023) and event-free survival (EFS) (P < 0.001) comparing with A allele. A significantly shortened PFS (P = 0.013) and EFS (P = 0.002) was also observed in the patients with ABCG2 rs2231137 GG genotype. Furthermore, the elder (> 60 years old) or male patients with ABCG2 rs2231137 GG genotype had poorer PFS and EFS than A allele. Moreover, CD20 rs2070770 CC and RAC2 rs13058338 AT genotypes were independent predictors of chemotherapy-induced toxicity. Cox proportional hazards analyses demonstrated that the GG genotype of ABCG2 rs2231137 and NCF4 rs1883112 were risk factors in DLBCL patients. In conclusion, the identified polymorphisms provide guide for the identification of DLBCL patients who are likely to benefit from chemotherapy.
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Affiliation(s)
- Duo Liu
- Department of Medical Genetics, Harbin Medical University, Harbin, Heilongjiang, China.,Department of Pharmacy, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, China
| | - Nan Wu
- Department of Medical Genetics, Harbin Medical University, Harbin, Heilongjiang, China
| | - Haiming Sun
- Department of Medical Genetics, Harbin Medical University, Harbin, Heilongjiang, China
| | - Mei Dong
- Department of Pharmacy, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, China
| | - Tianzhu Guo
- Department of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang, China
| | - Peng Chi
- Department of Pharmacy, Harbin Medical University-Daqing, Daqing, Heilongjiang, China
| | - Guofu Li
- Department of Neurosurvery, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, China
| | - Donglin Sun
- Department of Medical Genetics, Harbin Medical University, Harbin, Heilongjiang, China
| | - Yan Jin
- Department of Medical Genetics, Harbin Medical University, Harbin, Heilongjiang, China
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82
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Morrone LA, Scuteri D, Rombolà L, Mizoguchi H, Bagetta G. Opioids Resistance in Chronic Pain Management. Curr Neuropharmacol 2017; 15:444-456. [PMID: 28503117 PMCID: PMC5405610 DOI: 10.2174/1570159x14666161101092822] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2015] [Revised: 08/11/2016] [Accepted: 10/24/2016] [Indexed: 01/07/2023] Open
Abstract
Chronic pain management represents a serious healthcare problem worldwide. Chronic pain affects approximately 20% of the adult European population and is more frequent in women and older people. Unfortunately, its management in the community remains generally unsatisfactory and rarely under the control of currently available analgesics. Opioids have been used as analgesics for a long history and are among the most used drugs; however, while there is no debate over their short term use for pain management, limited evidence supports their efficacy of long-term treatment for chronic non-cancer pain. Therapy with opioids is hampered by inter-individual variability and serious side effects and some opioids often result ineffective in the treatment of chronic pain and their use is controversial. Accordingly, for a better control of chronic pain a deeper knowledge of the molecular mechanisms underlying resistance to opiates is mandatory.
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Affiliation(s)
- Luigi A. Morrone
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende, Italy
- University Consortium for Adaptive Disorders and Head Pain (UCADH), Section of Neuropharmacology of Normal and Pathological Neuronal Plasticity, University of Calabria, Rende, Italy
| | - Damiana Scuteri
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende, Italy
| | - Laura Rombolà
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende, Italy
| | - Hirokazu Mizoguchi
- Department of Physiology and Anatomy, Tohoku Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai 981-8558, Japan
| | - Giacinto Bagetta
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende, Italy
- University Consortium for Adaptive Disorders and Head Pain (UCADH), Section of Neuropharmacology of Normal and Pathological Neuronal Plasticity, University of Calabria, Rende, Italy
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83
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Leong SL, Chaiyakunapruk N, Lee SWH. Candidate Gene Association Studies of Anthracycline-induced Cardiotoxicity: A Systematic Review and Meta-analysis. Sci Rep 2017; 7:39. [PMID: 28232737 PMCID: PMC5428315 DOI: 10.1038/s41598-017-00075-1] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Accepted: 01/27/2017] [Indexed: 11/24/2022] Open
Abstract
Anthracyclines play an important role in the management of patients with cancer but the development of anthracycline-induced cardiotoxicity (ACT) remains a significant concern for most clinicians. Recently, genetic approach has been used to identify patients at increased risk of ACT. This systematic review assessed the association between genomic markers and ACT. A systematic literature search was performed in Medline, PubMed, Cochrane Central Register of Controlled Studies, CINAHL Plus, AMED, EMBASE and HuGE Navigator from inception until May 2016. Twenty-eight studies examining the association of genetic variants and ACT were identified. These studies examined 84 different genes and 147 single nucleotide polymorphisms. Meta-analyses showed 3 risk variants significantly increased the risk for ACT; namely ABCC2 rs8187710 (pooled odds ratio: 2.20; 95% CI: 1.36-3.54), CYBA rs4673 (1.55; 1.05-2.30) and RAC2 rs13058338 (1.79; 1.27-2.52). The current evidence remains unclear on the potential role of pharmacogenomic screening prior to anthracycline therapy. Further research is needed to improve the diagnostic and prognostic role in predicting ACT.
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Affiliation(s)
- Siew Lian Leong
- School of Pharmacy, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 46150, Selangor, Malaysia
- Faculty of Pharmacy, Cyberjaya University College of Medical Sciences, Cyberjaya, 63000, Selangor, Malaysia
| | - Nathorn Chaiyakunapruk
- School of Pharmacy, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 46150, Selangor, Malaysia
- Center of Pharmaceutical Outcomes Research (CPOR), Department of Pharmacy Practice, Faculty of Pharmaceutical Sciences, Naresuan University, Phitsanulok, Thailand
- School of Pharmacy, University of Wisconsin, Madison, USA
- School of Population Health, University of Queensland, Brisbane, Australia
| | - Shaun Wen Huey Lee
- School of Pharmacy, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 46150, Selangor, Malaysia.
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84
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Tounsi N, Trabelsi I, Kerkeni E, Grissa MH, Fredj N, Sekma A, Mzali M, Hellara I, Monastiri K, Douki W, Nouira S. ABCB1 and SLCO1B3 Gene Polymorphisms and Their Impact on Digoxin Pharmacokinetics in Atrial Fibrillation Patients among the Tunisian Population. Pharmacology 2017; 99:250-258. [DOI: 10.1159/000457906] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Accepted: 01/24/2017] [Indexed: 12/17/2022]
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85
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eUnaG: a new ligand-inducible fluorescent reporter to detect drug transporter activity in live cells. Sci Rep 2017; 7:41619. [PMID: 28176814 PMCID: PMC5296874 DOI: 10.1038/srep41619] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Accepted: 12/22/2016] [Indexed: 01/18/2023] Open
Abstract
The absorption, distribution, metabolism and excretion (ADME) of metabolites and toxic organic solutes are orchestrated by the ATP-binding cassette (ABC) transporters and the organic solute carrier family (SLC) proteins. A large number of ABC and SLC transpoters exist; however, only a small number have been well characterized. To facilitate the analysis of these transporters, which is important for drug safety and physiological studies, we developed a sensitive genetically encoded bilirubin (BR)-inducible fluorescence sensor (eUnaG) to detect transporter-coupled influx/efflux of organic compounds. This sensor can be used in live cells to measure transporter activity, as excretion of BR depends on ABC and SLC transporters. Applying eUnaG in functional RNAi screens, we characterize l(2)03659 as a Drosophila multidrug resistant-associated ABC transporter.
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86
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Mealey KL, Dassanayake S, Burke NS. Establishment of a cell line for assessing drugs as canine P-glycoprotein substrates: proof of principle. J Vet Pharmacol Ther 2017; 40:545-551. [PMID: 28093773 DOI: 10.1111/jvp.12390] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Accepted: 11/23/2016] [Indexed: 11/27/2022]
Abstract
P-glycoprotein (P-gp), encoded by the ABCB1 (MDR1) gene, dramatically impacts drug disposition. P-gp is expressed in the intestines, biliary canaliculi, renal tubules, and brain capillaries where it functions to efflux substrate drugs. In this capacity, P-gp restricts oral absorption, enhances biliary and renal excretion, and inhibits central nervous system entry of substrate drugs. Many drugs commonly used in veterinary medicine are known substrates for canine P-gp (vincristine, loperamide, ivermectin, others). Because these drugs have a narrow therapeutic index, defective P-gp function can cause serious adverse drug reactions due to enhanced brain penetration and/or decreased clearance. P-gp dysfunction in dogs can be intrinsic (dogs harboring ABCB1-1Δ) or acquired (drug interactions between a P-gp inhibitor and P-gp substrate). New human drug candidates are required to undergo assessment for P-gp interactions according to FDA and EMA regulations to avoid adverse drug reactions and drug-drug interactions. Similar information regarding canine P-gp could prevent adverse drug reactions in dogs. Because differences in P-gp substrates have been documented between species, one should not presume that human or murine P-gp substrates are necessarily canine P-gp substrates. Thus, our goal was to develop a cell line for assessing drugs as canine P-gp substrates.
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Affiliation(s)
- K L Mealey
- Program in Individualized Medicine (PrIMe), College of Veterinary Medicine, Washington State University, Pullman, WA, USA
| | - S Dassanayake
- Program in Individualized Medicine (PrIMe), College of Veterinary Medicine, Washington State University, Pullman, WA, USA
| | - N S Burke
- Program in Individualized Medicine (PrIMe), College of Veterinary Medicine, Washington State University, Pullman, WA, USA
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87
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Dzambazovska-Trajkovska V, Nojkov J, Kartalov A, Kuzmanovska B, Spiroska T, Seljmani R, Trajkovski G, Matevska-Geshkovska N, Dimovski A. Association of Single-Nucleotide Polymorhism C3435T in the ABCB1 Gene with Opioid Sensitivity in Treatment of Postoperative Pain. Pril (Makedon Akad Nauk Umet Odd Med Nauki) 2016; 37:73-80. [PMID: 27883323 DOI: 10.1515/prilozi-2016-0019] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
BACKGROUND The minimal effective analgesic concentration of opioids required for satisfactory analgesia may differ significantly among the patients. Genetic factors may contribute to the variable response to opioids by affecting their pharmacokinetics or pharmacodynamics. METHODS Ninety nine patients undergoing abdominal surgery with colorectal anastomosis because of colorectal carcinoma were enrolled in the present study. C34535T was genotyped in all subjects and the patients were divided into three groups according to their genotype: CC-wild type homozygous, CT-mutant heterozygous and TT-mutant homozygous. Intravenous fentanyl, patient controlled analgesia was provided postoperatively for pain control in the first 24 hour after surgery. Opioid consumption, pain scores and the adverse side effects were evaluated. RESULTS Our main result is that the patients in the CC genotype group consumed significantly more fentanyl (375.0 μg ± 43.1) than the patients in the TT group (295.0 μg ± 49.1) and the CT (356.4 μg ± 41.8) group in the treatment of postoperative pain. The patients in the TT group had lower VAS scores at 6h, 12h, 18 h and 24h postoperatively. There were no significant differences in the side effects among the three groups regarding the vomiting and the sedation score. The patients in the TT group had more frequently nausea score 1, than the patients in the other two groups. CONCLUSION Our study indicates that the C3435T SNPs of the ABCB1 gene is associated with differences in the opioid sensitivity. The ABCB1 polymorphism may serve as an important genetic predictor to guide the acute pain therapy in postoperative patients.
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88
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Jia FF, Tan ZR, McLeod HL, Chen Y, Ou-Yang DS, Zhou HH. Effects of quercetin on pharmacokinetics of cefprozil in Chinese-Han male volunteers. Xenobiotica 2016; 46:896-900. [PMID: 26928207 DOI: 10.3109/00498254.2015.1132792] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2015] [Accepted: 12/13/2015] [Indexed: 01/11/2023]
Abstract
1. The primary objective of this study was to evaluate the effects of quercetin on the pharmacokinetics of cefprozil. The secondary objective was to evaluate the safety of the combined use of cefprozil and quercetin. 2. An open-label, two-period, crossover phase I trial among 24 Han Chinese male subjects was conducted. Participants were given 500 mg of quercetin orally once daily for 15 d followed by single dose of cefprozil (500 mg) on day 15. Serum concentrations of cefprozil were then measured in all participants on day 15. A 15-d washout period was then assigned after which a 500 mg dose of cefprozil was administered and measured in the serum on day 36. 3. All subjects completed the trial, and no serious adverse events were reported. We measured mean serum concentrations of cefprozil in the presence and absence of quercetin in all participants. The maximum serum concentration of cefprozil in the presence of quercetin was 8.18 ug/ml (95% CI: 7.55-8.81) versus a maximum cefprozil concentration of 8.35 ug/ml (95% CI: 7.51-9.19) in the absence of quercetin. We conclude that the concurrent use of quercetin has no substantial effect on serum concentrations of orally administered cefprozil. 4. Co-administration of quercetin showed no statistically significant effects on the pharmacokinetics of cefprozil in healthy Chinese subjects.
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Affiliation(s)
- Fei-Fei Jia
- a Department of Clinical Pharmacology , Xiangya Hospital, Central South University , Changsha , China
- b Department of Cancer Epidemiology , DeBartolo Family Personalized Medicine Institute, Moffitt Cancer Center , Tampa , FL , USA , and
- c Hunan Key Laboratory of Pharmacogenetics, Institute of Clinical Pharmacology, Central South University , Changsha , China
| | - Zhi-Rong Tan
- a Department of Clinical Pharmacology , Xiangya Hospital, Central South University , Changsha , China
- c Hunan Key Laboratory of Pharmacogenetics, Institute of Clinical Pharmacology, Central South University , Changsha , China
| | - Howard L McLeod
- a Department of Clinical Pharmacology , Xiangya Hospital, Central South University , Changsha , China
- b Department of Cancer Epidemiology , DeBartolo Family Personalized Medicine Institute, Moffitt Cancer Center , Tampa , FL , USA , and
| | - Yao Chen
- a Department of Clinical Pharmacology , Xiangya Hospital, Central South University , Changsha , China
- c Hunan Key Laboratory of Pharmacogenetics, Institute of Clinical Pharmacology, Central South University , Changsha , China
| | - Dong-Sheng Ou-Yang
- a Department of Clinical Pharmacology , Xiangya Hospital, Central South University , Changsha , China
- c Hunan Key Laboratory of Pharmacogenetics, Institute of Clinical Pharmacology, Central South University , Changsha , China
| | - Hong-Hao Zhou
- a Department of Clinical Pharmacology , Xiangya Hospital, Central South University , Changsha , China
- c Hunan Key Laboratory of Pharmacogenetics, Institute of Clinical Pharmacology, Central South University , Changsha , China
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Yang C, Wong ILK, Peng K, Liu Z, Wang P, Jiang T, Jiang T, Chow LMC, Wan SB. Extending the structure-activity relationship study of marine natural ningalin B analogues as P-glycoprotein inhibitors. Eur J Med Chem 2016; 125:795-806. [PMID: 27750197 DOI: 10.1016/j.ejmech.2016.09.070] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Revised: 09/20/2016] [Accepted: 09/21/2016] [Indexed: 12/01/2022]
Abstract
In the present study, a total of 25 novel ningalin B analogues were synthesized and evaluated for their P-gp modulating activity in a P-gp overexpressed breast cancer cell line LCC6MDR. Preliminary structure-activity study shows that A ring and its two methoxy groups are important pharmacophores for P-gp inhibiting activity. Among all derivatives, 23 is the most potent P-gp modulator with EC50 of 120-165 nM in reversing paclitaxel, DOX, vinblastine and vincristine resistance. It is relatively safe to use with selective index at least greater than 606 compared to verapamil. Mechanistic study demonstrates that compound 23 reverses P-gp mediated drug resistance by inhibiting transport activity of P-gp, thereby restoring intracellular drug accumulation. In summary, our study demonstrates that ningalin B analogue 23 is a non-cytotoxic and effective P-gp chemosensitizer that can be used in the future for reversing P-gp mediated clinical cancer drug resistance.
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Affiliation(s)
- Chao Yang
- Key Laboratory of Marine Drugs, Ministry of Education, Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China; State Key Laboratory of Bioactive Substance and Function of Natural Medicines Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Iris L K Wong
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China; State Key Laboratory for Chirosciences, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Kai Peng
- Key Laboratory of Marine Drugs, Ministry of Education, Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China; State Key Laboratory of Bioactive Substance and Function of Natural Medicines Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zhen Liu
- Key Laboratory of Marine Drugs, Ministry of Education, Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China; State Key Laboratory of Bioactive Substance and Function of Natural Medicines Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Peng Wang
- Key Laboratory of Marine Drugs, Ministry of Education, Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China; State Key Laboratory of Bioactive Substance and Function of Natural Medicines Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Tingfu Jiang
- Key Laboratory of Marine Drugs, Ministry of Education, Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China; State Key Laboratory of Bioactive Substance and Function of Natural Medicines Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Tao Jiang
- Key Laboratory of Marine Drugs, Ministry of Education, Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China; State Key Laboratory of Bioactive Substance and Function of Natural Medicines Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Larry M C Chow
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China; State Key Laboratory for Chirosciences, The Hong Kong Polytechnic University, Hong Kong SAR, China.
| | - Sheng Biao Wan
- Key Laboratory of Marine Drugs, Ministry of Education, Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China; State Key Laboratory of Bioactive Substance and Function of Natural Medicines Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
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90
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Pergolizzi JV, Seow-Choen F, Wexner SD, Zampogna G, Raffa RB, Taylor R. Perspectives on Intravenous Oxycodone for Control of Postoperative Pain. Pain Pract 2016; 16:924-34. [PMID: 26393529 DOI: 10.1111/papr.12345] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Accepted: 06/19/2015] [Indexed: 02/05/2023]
Abstract
Intravenous (IV) analgesia has particular advantages in the immediate postoperative period. For example, IV administration results in a faster onset of pain relief and results in more predictable pharmacokinetics than does administration by other routes. It also allows for convenient dosing before or during surgery, permitting the initiation of effective analgesia in the early phase of the postoperative period. In addition, when patients are able to tolerate oral intake, they can be switched from IV to oral dosing based on maintaining the predictable analgesia established by the IV route. IV morphine is widely used for the control of postoperative pain, but there is a trend toward the use of oxycodone. Oxycodone (which may be mediated partly through kappa- as well as mu-opioid receptors) offers several potential advantages. Published studies comparing IV oxycodone to other IV opioids for postsurgical pain report that oxycodone is a safe and effective analgesic. Some studies show that IV oxycodone may be associated with greater pain control, fewer or less severe adverse events, and faster onset of action, although the results are not consistent across all studies. Oxycodone has been reported to be safe in the geriatric and other special populations when adequate clinical adjustments are made. Thus, the clinical reports and oxycodone's pharmacologic profile make intravenous oxycodone a potentially important "new" old drug for postoperative pain control.
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Affiliation(s)
- Joseph V Pergolizzi
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, U.S.A
- Department of Pharmacology, Temple University School of Medicine, Philadelphia, Pennsylvania, U.S.A
| | | | - Steven D Wexner
- Department of Colorectal Surgery, Digestive Disease Center, Cleveland Clinic Florida, Weston, Florida, U.S.A
| | | | - Robert B Raffa
- Department of Pharmaceutical Sciences, Temple University School of Pharmacy, Philadelphia, Pennsylvania, U.S.A
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91
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Hu Y, Wang Z, Huang X, Xia B, Tang L, Zheng Z, Ye L. Oxidative metabolism of koumine is mainly catalyzed by microsomal CYP3A4/3A5. Xenobiotica 2016; 47:584-591. [PMID: 27499416 DOI: 10.1080/00498254.2016.1213925] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
1. Gelsemium elegans Benth (Loganiaceae) is a toxic plant that can be used for committing suicide besides alleviating pains. Its anti-inflammatory and analgesic effect mainly come from its active ingredient, namely koumine. Koumine, an indole alkaloid, possesses widely pharmacological effects especially inhibition of neuropathic pain. 2. This study aimed to investigate the metabolic profile of koumine using human liver microsomes (HLMs), selective chemical inhibitors and recombinant human CYP isoforms. Ultra-performance liquid chromatography-high-resolution mass spectrometry (UPLC-HRMS) was used to detect and identify metabolites. 3. Four major metabolites of koumine were found after incubation with HLMs or individual CYP isoforms. The metabolic pathways of koumine included demethylation, dehydrogenation, oxidation and demethyl-dehydrogenation. Chemical inhibition study showed that the inhibitor of CYP3A4/3A5 significantly decreased (93%) the formation of koumine metabolites. Further, CYP3A4/3A5 was shown as the most efficient isoform in biotransformation of koumine, among a series of CYP isoforms tested. 4. In conclusion, koumine was metabolized into four oxidative metabolites in HLMs. And CYP3A4/3A5 was probably the main contributor to the hepatic oxidative metabolism of koumine.
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Affiliation(s)
- Yanxian Hu
- a Department of Pharmaceutics , Guangdong Provincial Key Laboratory of New Drug Screening, State Key Laboratory of Organ Failure Research, School of Pharmaceutical Sciences, Southern Medical University , Guangzhou , China and
| | - Zhaoyu Wang
- a Department of Pharmaceutics , Guangdong Provincial Key Laboratory of New Drug Screening, State Key Laboratory of Organ Failure Research, School of Pharmaceutical Sciences, Southern Medical University , Guangzhou , China and
| | - Xin Huang
- a Department of Pharmaceutics , Guangdong Provincial Key Laboratory of New Drug Screening, State Key Laboratory of Organ Failure Research, School of Pharmaceutical Sciences, Southern Medical University , Guangzhou , China and
| | - Bijun Xia
- a Department of Pharmaceutics , Guangdong Provincial Key Laboratory of New Drug Screening, State Key Laboratory of Organ Failure Research, School of Pharmaceutical Sciences, Southern Medical University , Guangzhou , China and
| | - Lan Tang
- a Department of Pharmaceutics , Guangdong Provincial Key Laboratory of New Drug Screening, State Key Laboratory of Organ Failure Research, School of Pharmaceutical Sciences, Southern Medical University , Guangzhou , China and
| | - Zhijie Zheng
- b Department of Clinical Pharmacology , Guangdong General Hospital, Guangdong Academy of Medical Sciences , Guangzhou , China
| | - Ling Ye
- a Department of Pharmaceutics , Guangdong Provincial Key Laboratory of New Drug Screening, State Key Laboratory of Organ Failure Research, School of Pharmaceutical Sciences, Southern Medical University , Guangzhou , China and
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Abstract
Epithelial ovarian cancer represents the most lethal gynecological malignancy in the developed world, and can be divided into five main histological subtypes: high grade serous, endometrioid, clear cell, mucinous and low grade serous. These subtypes represent distinct disease entities, both clinically and at the molecular level. Molecular analysis has revealed significant genetic heterogeneity in ovarian cancer, particularly within the high grade serous subtype. As such, this subtype has been the focus of much research effort to date, revealing molecular subgroups at both the genomic and transcriptomic level that have clinical implications. However, stratification of ovarian cancer patients based on the underlying biology of their disease remains in its infancy. Here, we summarize the molecular changes that characterize the five main ovarian cancer subtypes, highlight potential opportunities for targeted therapeutic intervention and outline priorities for future research.
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Affiliation(s)
- Robert L Hollis
- Edinburgh Cancer Research UK Centre, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, EH4 2XR, UK
| | - Charlie Gourley
- Edinburgh Cancer Research UK Centre, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, EH4 2XR, UK
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93
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Capron A, Haufroid V, Wallemacq P. Intra-cellular immunosuppressive drugs monitoring: A step forward towards better therapeutic efficacy after organ transplantation? Pharmacol Res 2016; 111:610-618. [PMID: 27468645 DOI: 10.1016/j.phrs.2016.07.027] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Revised: 07/19/2016] [Accepted: 07/22/2016] [Indexed: 12/15/2022]
Abstract
Immunosuppressive drugs (IS) used in solid organ transplantation are critical dose drugs with high intra- and inter-subject variability. Therefore, IS therapeutic drug monitoring (TDM), mainly as trough levels analysis, is a major support to patient management, mandatory to optimize clinical outcome. Even though transplant patients undoubtedly benefited by this pre-dose (C0) monitoring, the relationship between these C0 concentrations and the incidence of graft rejections remains hardly predictable. Identification and validation of additional biomarkers of efficacy are therefore very much needed. As the main IS effects are mediated through the inhibition of lymphocyte proliferation pathways, direct drug quantification within this target compartment would appear meaningful, providing hopefully more consistent information on drug efficacy. Due to the analytical performances improvement, these intracellular concentrations became accessible for comprehensive studies regarding clinical benefit of intracellular IS TDM after solid organ transplantation. Over the last ten years, number of studies investigated the potential relationship between IS blood and intracellular pharmacokinetics, genetic variability, and clinical efficacy after solid organ transplantation. A recent literature review suggests that calcineurin inhibitors (tacrolimus and cyclosporine) intracellular concentrations appear more closely related to drug efficacy than blood levels. This closer association has however not been described for the m-TOR inhibitors (sirolimus, everolimus) and the antimetabolite (mycophenolic acid). Additional larger and multicenter clinical trials are needed to confirm these observations.
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Affiliation(s)
- A Capron
- Department of Clinical Chemistry, Cliniques universitaires Saint-Luc, Université catholique de Louvain, Brussels, Belgium; Louvain Center for Toxicology and Applied Pharmacology (LTAP), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain, Brussels, Belgium.
| | - V Haufroid
- Department of Clinical Chemistry, Cliniques universitaires Saint-Luc, Université catholique de Louvain, Brussels, Belgium; Louvain Center for Toxicology and Applied Pharmacology (LTAP), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain, Brussels, Belgium
| | - P Wallemacq
- Department of Clinical Chemistry, Cliniques universitaires Saint-Luc, Université catholique de Louvain, Brussels, Belgium; Louvain Center for Toxicology and Applied Pharmacology (LTAP), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain, Brussels, Belgium
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94
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Fan Y, Sun B, Agarwal S, Zhang L. Review of Transporter-Related Postmarketing Requirement or Postmarketing Commitment Studies. J Clin Pharmacol 2016; 56 Suppl 7:S193-204. [DOI: 10.1002/jcph.770] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2016] [Revised: 04/21/2016] [Accepted: 05/11/2016] [Indexed: 01/11/2023]
Affiliation(s)
- Ying Fan
- Office of Clinical Pharmacology; Office of Translational Sciences; Center for Drug Evaluation and Research; U.S. Food and Drug Administration; Silver Spring MD USA
- Current Affiliation: Office of Bioequivalence; Office of Generic Drugs; Center for Drug Evaluation and Research; U.S. Food and Drug Administration; Silver Spring MD USA
| | - Bo Sun
- Office of Clinical Pharmacology; Office of Translational Sciences; Center for Drug Evaluation and Research; U.S. Food and Drug Administration; Silver Spring MD USA
- Oak Ridge Institution for Science and Education (ORISE) Fellow; Oak Ridge TN USA
- Current Affiliation: Department of Pharmacy; Shanghai General Hospital; School of Medicine; Shanghai Jiao Tong University; Shanghai P.R. China
| | - Sheetal Agarwal
- Office of Clinical Pharmacology; Office of Translational Sciences; Center for Drug Evaluation and Research; U.S. Food and Drug Administration; Silver Spring MD USA
| | - Lei Zhang
- Office of Clinical Pharmacology; Office of Translational Sciences; Center for Drug Evaluation and Research; U.S. Food and Drug Administration; Silver Spring MD USA
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95
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Dessilly G, Elens L, Panin N, Karmani L, Demoulin JB, Haufroid V. ABCB1 1199G>A polymorphism (rs2229109) affects the transport of imatinib, nilotinib and dasatinib. Pharmacogenomics 2016; 17:883-90. [PMID: 27268766 DOI: 10.2217/pgs-2016-0012] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
AIM ABCB1 (or P-glycoprotein) is implicated in the multidrug-resistance phenotype, including the resistance toward anticancer drugs such as tyrosine kinase inhibitors (TKIs). The purpose of this study was to evaluate in vitro the influence of the ABCB1 1199G>A SNP on ABCB1 transport activity toward selected TKIs (imatinib, nilotinib and dasatinib) that are currently used in chronic myelogenous leukemia. MATERIAL & METHODS Two different cell lines, HEK293 and K562, were stably transfected with ABCB1 1199G wild-type or ABCB1 1199A variant allele. The impact of this polymorphism on accumulation and antiproliferative effects of imatinib, nilotinib and dasatinib was evaluated. RESULTS In K562 models, the expression of Asn400 variant protein was associated with lower antiproliferative effects of imatinib, nilotinib and dasatinib compared with Ser400 wild-type protein. Moreover, in HEK293 cells, imatinib and nilotinib intracellular accumulation were lower in variant compared with wild-type models. CONCLUSION Imatinib, nilotinib and dasatinib are transported more efficiently by the ABCB1 variant (Asn400) compared with the wild-type (Ser400) protein. The impact of ABCB1 1199G>A SNP on TKI response should be further investigated in chronic myelogenous leukemia patients.
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Affiliation(s)
- Géraldine Dessilly
- Louvain Centre for Toxicology & Applied Pharmacology, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium
| | - Laure Elens
- Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Nadtha Panin
- Louvain Centre for Toxicology & Applied Pharmacology, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium
| | - Linda Karmani
- Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | | | - Vincent Haufroid
- Louvain Centre for Toxicology & Applied Pharmacology, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium.,Department of Clinical Chemistry, Cliniques Universitaires Saint-Luc, Université catholique de Louvain, Brussels, Belgium
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Relation of the Allelic Variants of Multidrug Resistance Gene to Agranulocytosis Associated With Clozapine. J Clin Psychopharmacol 2016; 36:257-61. [PMID: 27043126 DOI: 10.1097/jcp.0000000000000495] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Clozapine use is associated with leukopenia and more rarely agranulocytosis, which may be lethal. The drug and its metabolites are proposed to interact with the multidrug resistance transporter (ABCB1/MDR1) gene product, P-glycoprotein (P-gp). Among various P-glycoprotein genetic polymorphisms, nucleotide changes in exons 26 (C3435T), 21 (G2677T), and 12 (C1236T) have been implicated for changes in pharmacokinetics and pharmacodynamics of many substrate drugs. In this study, we aimed to investigate the association between these specific ABCB1 polymorphisms and clozapine-associated agranulocytosis (CAA). Ten patients with a history of CAA and 91 control patients without a history of CAA, despite 10 years of continuous clozapine use, were included. Patient recruitment and blood sample collection were conducted at the Hacettepe University Faculty of Medicine, Department of Psychiatry, in collaboration with the members of the Schizophrenia and Other Psychotic Disorders Section of the Psychiatric Association of Turkey, working in various psychiatry clinics. After DNA extraction from peripheral blood lymphocytes, genotyping was performed using polymerase chain reaction and endonuclease digestion. Patients with CAA had shorter duration of clozapine use but did not show any significant difference in other clinical, sociodemographic characteristics and in genotypic or allelic distributions of ABCB1 variants and haplotypes compared with control patients. Among the 10 patients with CAA, none carried the ABCB1 all-variant haplotype (TT-TT-TT), whereas the frequency of this haplotype was approximately 12% among the controls. Larger sample size studies and thorough genetic analyses may reveal both genetic risk and protective factors for this serious adverse event.
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Tulsyan S, Mittal RD, Mittal B. The effect of ABCB1 polymorphisms on the outcome of breast cancer treatment. PHARMACOGENOMICS & PERSONALIZED MEDICINE 2016; 9:47-58. [PMID: 27175090 PMCID: PMC4854269 DOI: 10.2147/pgpm.s86672] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The ABCB1 gene encodes a permeability glycoprotein, which is one of the most extensively studied human adenosine-triphosphate (ATP)-dependent efflux transporters. Permeability glycoprotein is expressed in the apical membranes of tissues such as intestine, liver, blood–brain barrier, kidney, placenta, and testis and contributes to intracellular drug disposition. It is also highly expressed in tumor cells conferring drug resistance, which is one of the major problems in the efficacy of cancer chemotherapy treatment. ABCB1 is highly polymorphic, and three well-known single-nucleotide polymorphisms such as 1236C>T, 2677G>T/A, and 3435C>T have been found to be associated with altered messenger RNA levels, protein folding, and drug pharmacokinetics. Many association studies and meta-analyses have demonstrated the clinical impact of ABCB1 polymorphisms in breast cancer treatment outcomes with respect to therapeutic response, chemotoxicity, and overall survival. Therefore, the aim of this review was to evaluate the effects of ABCB1 polymorphisms on the outcome of breast cancer treatment which, in future, would be important for tailoring individualized anticancer therapy.
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Affiliation(s)
- Sonam Tulsyan
- Department of Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Rama Devi Mittal
- Department of Urology and Renal Transplant, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Balraj Mittal
- Department of Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
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Wolking S, Schaeffeler E, Lerche H, Schwab M, Nies AT. Impact of Genetic Polymorphisms of ABCB1 (MDR1, P-Glycoprotein) on Drug Disposition and Potential Clinical Implications: Update of the Literature. Clin Pharmacokinet 2016; 54:709-35. [PMID: 25860377 DOI: 10.1007/s40262-015-0267-1] [Citation(s) in RCA: 171] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
ATP-binding cassette transporter B1 (ABCB1; P-glycoprotein; multidrug resistance protein 1) is an adenosine triphosphate (ATP)-dependent efflux transporter located in the plasma membrane of many different cell types. Numerous structurally unrelated compounds, including drugs and environmental toxins, have been identified as substrates. ABCB1 limits the absorption of xenobiotics from the gut lumen, protects sensitive tissues (e.g. the brain, fetus and testes) from xenobiotics and is involved in biliary and renal secretion of its substrates. In recent years, a large number of polymorphisms of the ABCB1 [ATP-binding cassette, sub-family B (MDR/TAP), member 1] gene have been described. The variants 1236C>T (rs1128503, p.G412G), 2677G>T/A (rs2032582, p.A893S/T) and 3435C>T (rs1045642, p.I1145I) occur at high allele frequencies and create a common haplotype; therefore, they have been most widely studied. This review provides an overview of clinical studies published between 2002 and March 2015. In summary, the effect of ABCB1 variation on P-glycoprotein expression (messenger RNA and protein expression) and/or activity in various tissues (e.g. the liver, gut and heart) appears to be small. Although polymorphisms and haplotypes of ABCB1 have been associated with alterations in drug disposition and drug response, including adverse events with various ABCB1 substrates in different ethnic populations, the results have been majorly conflicting, with limited clinical relevance. Future research activities are warranted, considering a deep-sequencing approach, as well as well-designed clinical studies with appropriate sample sizes to elucidate the impact of rare ABCB1 variants and their potential consequences for effect sizes.
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Affiliation(s)
- Stefan Wolking
- Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research, University of Tübingen, Hoppe-Seyler Strasse 3, 72076, Tübingen, Germany
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Peng R, Zhang H, Zhang Y, Wei DY. Impacts of ABCB1 (G1199A) polymorphism on resistance, uptake, and efflux to steroid drugs. Xenobiotica 2016; 46:948-52. [PMID: 26822676 DOI: 10.3109/00498254.2016.1138249] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
1. P-glycoprotein (P-gp) substrates, including steroid drugs, involve in the inter-individual differences in resistant phenotype. This study was performed to evaluate whether G1199A polymorphism in ABCB1 gene can alter the sensitivity, accumulation, and transepithelial efflux to steroids in LLC-PK1 cells. 2. The stable recombinant LLC-PK1 cell lines transfected with ABCB1 1199G and ABCB1 1199A were used to assess the sensitivity, accumulation, and transepithelial permeability to steroids. 3. The cells transfected with 1199A allele displayed stronger resistance to aldosterone, dexamethasone, and cortisol (2.5-, 2.0-, and 1.6-fold, respectively) than cells overexpressing 1199G allele, while the two types of recombinant cells showed a similar resistance to corticosterone. The accumulation of aldosterone, dexamethasone, and cortisol in recombinant 1199A cells were significantly decreased when compared to 1199G cells (2.9-, 4.4-, and 3.9-fold, respectively). The net efflux ratios of P-gp-mediated aldosterone, dexamethasone, and cortisol in cells expressing 1199A allele were apparently greater than cells transfected with 1199G allele (3.3-, 3.5-, and 4.0-fold, respectively). 4. The impacts of ABCB1 (G1199A) single nucleotide polymorphism on the efflux of P-gp substrates presented as drug-specific. Overall, the transport ability of P-gp-dependent steroid drugs in recombinant model overexpressing variant 1199A allele is stronger in comparison to cells overexpressing wild-type 1199G allele. Therefore, the ABCB1 (G1199A) polymorphism may affect effective steroids concentration in target cells by regulating the drug transport and distribution.
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Affiliation(s)
- Rui Peng
- a Department of Pharmacy , Renmin Hospital of Wuhan University , Wuhan , China
| | - Hong Zhang
- a Department of Pharmacy , Renmin Hospital of Wuhan University , Wuhan , China
| | - Ying Zhang
- a Department of Pharmacy , Renmin Hospital of Wuhan University , Wuhan , China
| | - Dan-Yun Wei
- a Department of Pharmacy , Renmin Hospital of Wuhan University , Wuhan , China
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Whitt JD, Keeton AB, Gary BD, Sklar LA, Sodani K, Chen ZS, Piazza GA. Sulindac sulfide selectively increases sensitivity of ABCC1 expressing tumor cells to doxorubicin and glutathione depletion. J Biomed Res 2015; 30:120-133. [PMID: 28276667 PMCID: PMC4820889 DOI: 10.7555/jbr.30.20150108] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Revised: 08/25/2015] [Accepted: 10/26/2015] [Indexed: 01/04/2023] Open
Abstract
ATP-binding cassette (ABC) transpo rters ABCC1 (MRP1), ABCB1 (P-gp), and ABCG2 (BCRP) contribute to chemotherapy failure. The primary goals of this study were to characterize the efficacy and mechanism of the nonsteroidal anti-inflammatory drug (NSAID), sulindac sulfide, to reverse ABCC1 mediated resistance to chemotherapeutic drugs and to determine if sulindac sulfide can influence sensitivity to chemotherapeutic drugs independently of drug efflux. Cytotoxicity assays were performed to measure resistance of ABC-expressing cell lines to doxorubicin and other chemotherapeutic drugs. NSAIDs were tested for the ability to restore sensitivity to resistance selected tumor cell lines, as well as a large panel of standard tumor cell lines. Other experiments characterized the mechanism by which sulindac sulfide inhibits ABCC1 substrate and co-substrate (GSH) transport in isolated membrane vesicles and intact cells. Selective reversal of multi-drug resistance (MDR), decreased efflux of doxorubicin, and fluorescent substrates were demonstrated by sulindac sulfide and a related NSAID, indomethacin, in resistance selected and engineered cell lines expressing ABCC1, but not ABCB1 or ABCG2. Sulindac sulfide also inhibited transport of leukotriene C4 into membrane vesicles. Sulindac sulfide enhanced the sensitivity to doxorubicin in 24 of 47 tumor cell lines, including all melanoma lines tested (7-7). Sulindac sulfide also decreased intracellular GSH in ABCC1 expressing cells, while the glutathione synthesis inhibitor, BSO, selectively increased sensitivity to sulindac sulfide induced cytotoxicity. Sulindac sulfide potently and selectively reverses ABCC1-mediated MDR at clinically achievable concentrations. ABCC1 expressing tumors may be highly sensitive to the direct cytotoxicity of sulindac sulfide, and in combination with chemotherapeutic drugs that induce oxidative stress.
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Affiliation(s)
- Jason D Whitt
- Department of Biochemistry, University of Mississippi Medical Center Cancer Institute, Jackson, MS 39216, USA
| | - Adam B Keeton
- Drug Discovery Research Center, Mitchell Cancer Institute, University of South Alabama, Mobile, AL 36604, USA.,ADT Pharmaceuticals Inc., Orange Beach, AL 36561, USA
| | - Bernard D Gary
- Drug Discovery Research Center, Mitchell Cancer Institute, University of South Alabama, Mobile, AL 36604, USA
| | - Larry A Sklar
- Department of Pathology, The University of New Mexico, Albuquerque, NM 87131, USA
| | - Kamlesh Sodani
- Department of Pharmaceutical Sciences, St. John's University, New York, NY 11439, USA
| | - Zhe-Sheng Chen
- Department of Pharmaceutical Sciences, St. John's University, New York, NY 11439, USA
| | - Gary A Piazza
- Drug Discovery Research Center, Mitchell Cancer Institute, University of South Alabama, Mobile, AL 36604, USA.,ADT Pharmaceuticals Inc., Orange Beach, AL 36561, USA;
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