1
|
Freitas LAB, Sousa C, Lima BS, Duarte D, Gomes PATDM, Ramos CGC, Costa VDCM, Pitta MGDR, Rêgo MJBDM, de Simone CA, Videira M, Leite ACL. Thiazolyl-isatin derivatives: Synthesis, in silico studies, in vitro biological profile against breast cancer cells, mRNA expression, P-gp modulation, and interactions of Akt2 and VIM proteins. Chem Biol Interact 2024; 394:110954. [PMID: 38518852 DOI: 10.1016/j.cbi.2024.110954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 02/29/2024] [Accepted: 03/10/2024] [Indexed: 03/24/2024]
Abstract
The literature reports that thiazole and isatin nuclei present a range of biological activities, with an emphasis on anticancer activity. Therefore, our proposal was to make a series of compounds using the molecular hybridization strategy, which has been used by our research group, producing hybrid molecules containing the thiazole and isatin nuclei. After structural planning and synthesis, the compounds were characterized and evaluated in vitro against breast cancer cell lines (T-47D, MCF-7 and MDA-MB-231) and against normal cells (PBMC). The activity profile on membrane proteins involved in chemoresistance and tumorigenic signaling proteins was also evaluated. Among the compounds tested, the compounds 4c and 4a stood out with IC50 values of 1.23 and 1.39 μM, respectively, against the MDA-MB-231 cell line. Both compounds exhibited IC50 values of 0.45 μM for the MCF-7 cell line. Compounds 4a and 4c significantly decreased P-gp mRNA expression levels in MCF-7, 4 and 2 folds respectively. Regarding the impact on tumorigenic signaling proteins, compound 4a inhibited Akt2 in MDA-MB-231 and compound 4c inhibited the mRNA expression of VIM in MCF-7.
Collapse
Affiliation(s)
- Luiz Alberto Barros Freitas
- Departamento de Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Pernambuco, 50740-520, Recife, PE, Brazil
| | - Carolina Sousa
- Pharmacological and Regulatory Sciences Group (PharmRegSci), Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia da Universidade de Lisboa, Lisbon, Portugal
| | - Beatriz Silva Lima
- Pharmacological and Regulatory Sciences Group (PharmRegSci), Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia da Universidade de Lisboa, Lisbon, Portugal
| | - Denise Duarte
- Global Health and Tropical Medicine, GHTM, Associate Laboratory in Translation and Innovation Towards Global Health, LA-REAL, Instituto de Higiene e Medicina Tropical, IHMT, Universidade NOVA de Lisboa, UNL, 1349-008, Lisboa, Portugal
| | | | - Camila Gabriela Costa Ramos
- Departamento de Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Pernambuco, 50740-520, Recife, PE, Brazil
| | | | - Maira Galdino da Rocha Pitta
- Núcleo de Pesquisa em Inovação Terapêutica Suely Galdino, Universidade Federal de Pernambuco, 50670-901, Recife, PE, Brazil
| | | | - Carlos Alberto de Simone
- Departamento de Física e Informática, Instituto de Física de São Carlos, Universidade de São Paulo, 13560-970, São Carlos, SP, Brazil
| | - Mafalda Videira
- Pharmacological and Regulatory Sciences Group (PharmRegSci), Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia da Universidade de Lisboa, Lisbon, Portugal
| | - Ana Cristina Lima Leite
- Departamento de Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Pernambuco, 50740-520, Recife, PE, Brazil.
| |
Collapse
|
2
|
Silbermann K, Li J, Namasivayam V, Baltes F, Bendas G, Stefan SM, Wiese M. Superior Pyrimidine Derivatives as Selective ABCG2 Inhibitors and Broad-Spectrum ABCB1, ABCC1, and ABCG2 Antagonists. J Med Chem 2020; 63:10412-10432. [PMID: 32787102 DOI: 10.1021/acs.jmedchem.0c00961] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In the search for highly effective modulators addressing ABCG2-mediated MDR, 23 pyrimidines were synthesized and biologically assessed. Seven derivatives with (a) nitrogen- and/or halogen-containing residue(s) had extraordinary potencies against ABCG2 (IC50 < 150 nM). The compounds competitively inhibited ABCG2-mediated Hoechst 33342 transport but were not substrates of ABCG2. The most potent MDR reverser, compound 19, concentration-dependently increased SN-38-mediated cancer cell death at 11 nM (EC50), time-dependently doubled SN-38 toxicity in a period of 7 days at 10 nM, and half-maximally accelerated cell death combined with SN-38 at 17 nM. No induction of ABCG2 was observed. Furthermore, 11 pyrimidines were revealed as triple ABCB1/ABCC1/ABCG2 inhibitors. Five possessed IC50 values below 10 μM against each transporter, classifying them as some of the 50 most potent multitarget ABC transporter inhibitors. The most promising representative, compound 37, reversed ABCB1-, ABCC1-, and ABCG2-mediated MDR, making it one of the three most potent ABC transporter inhibitors and reversers of ABC transporters-mediated MDR.
Collapse
Affiliation(s)
- Katja Silbermann
- Pharmaceutical and Cellbiological Chemistry, Pharmaceutical Institute, Rheinische Friedrich-Wilhelms-University Bonn, An der Immenburg 4, 53121 Bonn, Germany
| | - Jiyang Li
- Pharmaceutical and Cellbiological Chemistry, Pharmaceutical Institute, Rheinische Friedrich-Wilhelms-University Bonn, An der Immenburg 4, 53121 Bonn, Germany
| | - Vigneshwaran Namasivayam
- Pharmaceutical and Cellbiological Chemistry, Pharmaceutical Institute, Rheinische Friedrich-Wilhelms-University Bonn, An der Immenburg 4, 53121 Bonn, Germany
| | - Fabian Baltes
- Pharmaceutical and Cellbiological Chemistry, Pharmaceutical Institute, Rheinische Friedrich-Wilhelms-University Bonn, An der Immenburg 4, 53121 Bonn, Germany
| | - Gerd Bendas
- Pharmaceutical and Cellbiological Chemistry, Pharmaceutical Institute, Rheinische Friedrich-Wilhelms-University Bonn, An der Immenburg 4, 53121 Bonn, Germany
| | - Sven Marcel Stefan
- Pharmaceutical and Cellbiological Chemistry, Pharmaceutical Institute, Rheinische Friedrich-Wilhelms-University Bonn, An der Immenburg 4, 53121 Bonn, Germany
| | - Michael Wiese
- Pharmaceutical and Cellbiological Chemistry, Pharmaceutical Institute, Rheinische Friedrich-Wilhelms-University Bonn, An der Immenburg 4, 53121 Bonn, Germany
| |
Collapse
|
3
|
Wang X, Qiao D, Chen L, Xu M, Chen S, Huang L, Wang F, Chen Z, Cai J, Fu L. Chemotherapeutic drugs stimulate the release and recycling of extracellular vesicles to assist cancer cells in developing an urgent chemoresistance. Mol Cancer 2019; 18:182. [PMID: 31830995 PMCID: PMC6907227 DOI: 10.1186/s12943-019-1114-z] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Accepted: 12/02/2019] [Indexed: 01/07/2023] Open
Abstract
Background Chemotherapy is a widely used treatment for cancer. However, the development of acquired multidrug resistance (MDR) is a serious issue. Emerging evidence has shown that the extracellular vesicles (EVs) mediate MDR, but the underlying mechanism remains unclear, especially the effects of chemotherapeutic agents on this process. Methods Extracellular vesicles isolation was performed by differential centrifugation. The recipient cells that acquired ATP-binding cassette sub-family B member 1 (ABCB1) proteins were sorted out from co-cultures according to a stringent multi-parameter gating strategy by fluorescence-activated cell sorting (FACS). The transfer rate of ABCB1 was measured by flow cytometry. The xenograft tumor models in mice were established to evaluate the transfer of ABCB1 in vivo. Gene expression was detected by real-time PCR and Western blotting. Results Herein, we show that a transient exposure to chemotherapeutic agents can strikingly increase Rab8B-mediated release of extracellular vesicles (EVs) containing ABCB1 from drug-resistant cells, and accelerate these EVs to circulate back onto plasma membrane of sensitive tumor cells via the down-regulation of Rab5. Therefore, intercellular ABCB1 transfer is significantly enhanced; sensitive recipient cells acquire a rapid but unsustainable resistance to evade the cytotoxicity of chemotherapeutic agents. More fascinatingly, in the xenograft tumor models, chemotherapeutical drugs also locally or distantly increase the transfer of ABCB1 molecules. Furthermore, some Non-small-cell lung carcinoma (NSCLC) patients who are undergoing primary chemotherapy have a rapid increase of ABCB1 protein in their monocytes, and this is obviously associated with poor chemotherapeutic efficacy. Conclusions Chemotherapeutic agents stimulate the secretion and recycling of ABCB1-enriched EVs through the dysregulation of Rab8B and Rab5, leading to a significant increase of ABCB1 intercellular transfer, thus assisting sensitive cancer cells to develop an urgent resistant phenotype. Our findings provide a new molecular mechanism of how chemotherapeutic drugs assist sensitive cancer cells in acquiring an urgent resistance.
Collapse
Affiliation(s)
- Xiaokun Wang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
| | - Dongjuan Qiao
- Department of Chemistry, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Likun Chen
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
| | - Meng Xu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
| | - Shupeng Chen
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
| | - Liyan Huang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
| | - Fang Wang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
| | - Zhen Chen
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
| | - Jiye Cai
- Department of Chemistry, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Liwu Fu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China.
| |
Collapse
|
4
|
Zou W, Sarisozen C, Torchilin VP. The reversal of multidrug resistance in ovarian carcinoma cells by co-application of tariquidar and paclitaxel in transferrin-targeted polymeric micelles. J Drug Target 2016; 25:225-234. [PMID: 27616277 DOI: 10.1080/1061186x.2016.1236113] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
In this study, a transferrin (Tf)-modified polyethylene glycol-phosphatidyl ethanolamine (PEG-PE)-based micellar delivery system containing paclitaxel (PTX) and tariquidar (TRQ), a potent third generation P-gp inhibitor, was prepared. The nanoformulation was evaluated by targeting efficiency, cellular association, cellular internalization pathway and cytotoxicity for reversal of PTX resistance on two multidrug resistant (MDR) ovarian carcinoma cell lines, SKOV-3TR and A2780-Adr. PTX and TRQ are both hydrophobic compounds. They were successfully encapsulated into the micellar structure containing vitamin E as the encapsulation enhancer. The Tf-targeted micelles were internalized mainly via clathrin-dependent endocytosis by both cell lines. For SKOV-3TR, additional mechanisms including caveolin-dependent endocytosis and macropinocytosis were found to play a significant role. The PTX cytotoxicity against the SKOV-3TR and A2780-Adr MDR cells was increased significantly in the presence of micellar encapsulation. However, unlike the A2780-Adr cell line, the Tf-targeting effect was significant on SKOV-3TR cells when co-administrated with TRQ. Penetration of the Tf-targeted micelles in a cancer cell spheroid culture was also investigated.
Collapse
Affiliation(s)
- Wanting Zou
- a Xiangya Hospital, Central South University , Changsha , Hunan , China
| | - Can Sarisozen
- b Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University , Boston , MA , USA
| | - Vladimir P Torchilin
- b Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University , Boston , MA , USA.,c Department of Biochemistry, Faculty of Science , King Abdulaziz University , Jeddah , Saudi Arabia
| |
Collapse
|
5
|
Lawlor D, Martin P, Busschots S, Thery J, O'Leary JJ, Hennessy BT, Stordal B. PARP Inhibitors as P-glyoprotein Substrates. J Pharm Sci 2014; 103:1913-20. [PMID: 24700236 DOI: 10.1002/jps.23952] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2013] [Revised: 02/27/2014] [Accepted: 02/28/2014] [Indexed: 01/23/2023]
Abstract
The cytotoxicity of PARP inhibitors olaparib, veliparib, and CEP-8983 were investigated in two P-glycoprotein (P-gp) overexpressing drug-resistant cell models (IGROVCDDP and KB-8-5-11). IGROVCDDP and KB-8-5-11 were both resistant to olaparib and resistance was reversible with the P-gp inhibitors elacridar, zosuquidar, and valspodar. In contrast, the P-gp overexpressing models were not resistant to veliparib or CEP-8983. Olaparib and veliparib did not induce protein expression of P-gp in IGROVCDDP or KB-8-5-11 at doses that successfully inhibit PARP. Olaparib therefore appears to be a P-gp substrate. Veliparib and CEP-8983 do not appear to be substrates. Veliparib and CEP-8983 may therefore be more useful in combined chemotherapy regimens with P-gp substrates and may be active in platinum and taxane-resistant ovarian cancer.
Collapse
Affiliation(s)
- Denise Lawlor
- Department of Histopathology, St James' Hospital and Trinity College, Dublin, Dublin 8, Ireland
| | | | | | | | | | | | | |
Collapse
|
6
|
Exploiting nanotechnology to overcome tumor drug resistance: Challenges and opportunities. Adv Drug Deliv Rev 2013; 65:1731-47. [PMID: 24036273 DOI: 10.1016/j.addr.2013.09.001] [Citation(s) in RCA: 177] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2013] [Revised: 08/15/2013] [Accepted: 09/03/2013] [Indexed: 02/06/2023]
Abstract
Tumor cells develop resistance to chemotherapeutic drugs through multiple mechanisms. Overexpression of efflux transporters is an important source of drug resistance. Efflux transporters such as P-glycoprotein reduce intracellular drug accumulation and compromise drug efficacy. Various nanoparticle-based approaches have been investigated to overcome efflux-mediated resistance. These include the use of formulation excipients that inhibit transporter activity and co-delivery of the anticancer drug with a specific inhibitor of transporter function or expression. However, the effectiveness of nanoparticles can be diminished by poor transport in the tumor tissue. Hence, adjunct therapies that improve the intratumoral distribution of nanoparticles may be vital to the successful application of nanotechnology to overcome tumor drug resistance. This review discusses the mechanisms of tumor drug resistance and highlights the opportunities and challenges in the use of nanoparticles to improve the efficacy of anticancer drugs against resistant tumors.
Collapse
|
7
|
Morris ME, Zhang S. Flavonoid-drug interactions: effects of flavonoids on ABC transporters. Life Sci 2006; 78:2116-30. [PMID: 16455109 DOI: 10.1016/j.lfs.2005.12.003] [Citation(s) in RCA: 178] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2005] [Revised: 04/03/2005] [Accepted: 12/07/2005] [Indexed: 11/26/2022]
Abstract
Flavonoids are present in fruits, vegetables and beverages derived from plants (tea, red wine), and in many dietary supplements or herbal remedies including Ginkgo Biloba, Soy Isoflavones, and Milk Thistle. Flavonoids have been described as health-promoting, disease-preventing dietary supplements, and a high intake of flavonoids has been associated with a reduced risk of cancer, cardiovascular diseases, osteoporosis and other age-related degenerative diseases. Due to an increased public interest in alternative medicine and disease prevention, the use of herbal preparations containing high doses of flavonoids for health maintenance has become very popular, raising the potential for interactions with conventional drug therapies. This review will summarize the current literature regarding the interactions of flavonoids with ATP-binding cassette (ABC) efflux transporters, mainly P-glycoprotein, MRP1, MRP2 and BCRP and discuss the potential consequences for flavonoid-drug transport interactions.
Collapse
Affiliation(s)
- Marilyn E Morris
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, Amherst, NY 14260-1200, USA.
| | | |
Collapse
|
8
|
Nakamura Y, Sato H, Motokura T. Development of multidrug resistance due to multiple factors including P-glycoprotein overexpression underK-selection afterMYC andHRAS oncogene activation. Int J Cancer 2006; 118:2448-54. [PMID: 16353156 DOI: 10.1002/ijc.21691] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Multistep tumorigenesis is a form of microevolution consisting of mutation and selection. To clarify the role of selection modalities in tumor development, we examined two alternative evolutionary conditions, r-selection in sparse culture, which allows cells to proliferate rapidly, and K-selection in confluent culture, in which overcrowding constrains cell proliferation. Using MYC- and EJ-RAS-transformed rat embryo fibroblasts, we found that K-selected cells acquired and stably maintained multidrug resistance (MDR) to DOX, VCR, MTX and Ara-C. Then, we examined the involvement of a number of factors potentially causal of the development of MDR, that is, ploidy, Tp53 mutation, doubling time and the expression levels of genes related to drug resistance. Although ploidy status and Tp53 mutations did not correlate with MDR, we found that Abcb1/Mdr1, encoding P-glycoprotein (Pgp), was significantly upregulated after K-selection. Cyclosporin A, a competitive inhibitor of Pgp, increased the intracellular accumulation of DOX and reduced the resistance to it. Indeed, the population of Pgp-transfected cells significantly expanded under K-, but not under r-selection. In addition to Pgp upregulation, altered expression of other genes such as Cda/cytidine deaminase and Slc29a1/equilibrative nucleoside transporter 1 and prolonged doubling times were associated with MDR. This system reproduces events associated with MDR in vivo and would be useful for analysis of MDR development.
Collapse
Affiliation(s)
- Yukari Nakamura
- Department of Hematology and Oncology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | | | | |
Collapse
|
9
|
Di Nicolantonio F, Knight LA, Glaysher S, Whitehouse PA, Mercer SJ, Sharma S, Mills L, Prin A, Johnson P, Charlton PA, Norris D, Cree IA. Ex vivo reversal of chemoresistance by tariquidar (XR9576). Anticancer Drugs 2004; 15:861-9. [PMID: 15457126 DOI: 10.1097/00001813-200410000-00006] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
The expression of P-glycoprotein (P-gp) has been demonstrated to confer resistance to several anticancer drugs, including anthracyclines, taxanes and vinca alkaloids. Tariquidar is a novel inhibitor of P-gp that has been shown to reverse resistance to cytotoxic drugs in tumor cell lines and mouse xenografts. We have used an ATP-based chemosensitivity assay (ATP-TCA) to compare the activity of cytotoxic drugs in combination with tariquidar against a variety of solid tumors (n = 37). The expression of P-gp was determined in a subset of solid tumor samples by immunohistochemistry (n = 16). Resistance was seen in 20 of 37 (54%) tumors tested with doxorubicin, in 27 of 34 (79%) samples tested with paclitaxel and 17 of 31 (55%) with vinorelbine. Tariquidar alone showed no activity over a wide range of concentrations up to 2 microM (n = 14). The median IC90s for doxorubicin, paclitaxel and vinorelbine, alone were 2.57, 27.4 and 15.5 microM. These decreased to 1.67 (p<0.0005), 20.6 (p<0.05) and 9.5 microM (p<0.001), respectively, in combination with tariquidar. Tariquidar also significantly decreased resistance in 14 of 20 (70%), six of 27 (22%) and six of 17 (35%) samples tested with doxorubicin, paclitaxel and vinorelbine, respectively. Immunohistochemical staining for P-gp was positive in nine of 16 (56%) samples and in all of these cases addition of tariquidar improved the activity of the cytotoxic. The results show that tariquidar is able to decrease resistance in a number of solid tumors resistant to cytotoxic drugs known to be P-gp substrates. These data support the introduction of tariquidar in combination with chemotherapy to clinical trials of patients expressing P-gp.
Collapse
Affiliation(s)
- Federica Di Nicolantonio
- Translational Oncology Research Centre, Department of Histopathology, Queen Alexandra Hospital, Portsmouth PO6 3LY, UK
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
10
|
Deng L, Tatebe S, Lin-Lee YC, Ishikawa T, Kuo MT. MDR and MRP gene families as cellular determinant factors for resistance to clinical anticancer agents. Cancer Treat Res 2003; 112:49-66. [PMID: 12481711 DOI: 10.1007/978-1-4615-1173-1_3] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Lei Deng
- Department of Molecular Pathology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | | | | | | | | |
Collapse
|
11
|
Maitra R, Halpin PA, Karlson KH, Page RL, Paik DY, Leavitt MO, Moyer BD, Stanton BA, Hamilton JW. Differential effects of mitomycin C and doxorubicin on P-glycoprotein expression. Biochem J 2001; 355:617-24. [PMID: 11311122 PMCID: PMC1221775 DOI: 10.1042/bj3550617] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Previous studies have demonstrated that mitomycin C (MMC) and other DNA cross-linking agents can suppress MDR1 (multidrug resistance 1) gene expression and subsequent functional P-glycoprotein (Pgp) expression, whereas doxorubicin and other anthracyclines increase MDR1 gene expression. In the present study, with stably transfected Madin-Darby canine kidney C7 epithelial cells expressing a human Pgp tagged with green fluorescent protein under the proximal human MDR1 gene promoter, we demonstrated that MMC and doxorubicin have differential effects on Pgp expression and function. Doxorubicin caused a progressive increase in the cell-surface expression of Pgp and function. In contrast, MMC initially increased plasma membrane expression and function at a time when total cellular Pgp was constant and Pgp mRNA expression had been shown to be suppressed. This was followed by a rapid and sustained decrease in cell-surface expression at later times, presumably as a consequence of the initial decrease in mRNA expression. These studies imply that there are at least two independent chemosensitive steps that can alter Pgp biogenesis: one at the level of mRNA transcription and the other at the level of Pgp trafficking. Understanding the combined consequences of these two mechanisms might lead to novel chemotherapeutic approaches to overcoming drug resistance in human cancers by altering either Pgp mRNA expression or trafficking to the membrane.
Collapse
MESH Headings
- ATP Binding Cassette Transporter, Subfamily B, Member 1/biosynthesis
- ATP Binding Cassette Transporter, Subfamily B, Member 1/drug effects
- ATP Binding Cassette Transporter, Subfamily B, Member 1/genetics
- Alkylating Agents/pharmacology
- Animals
- Antibiotics, Antineoplastic/pharmacology
- Biological Transport/drug effects
- Doxorubicin/pharmacology
- Gene Expression/drug effects
- Humans
- Mitomycin/pharmacology
- RNA, Messenger/biosynthesis
- RNA, Messenger/drug effects
- Rats
- Transcription, Genetic/drug effects
- Tumor Cells, Cultured
Collapse
Affiliation(s)
- R Maitra
- Department of Pharmacology and Toxicology, Dartmouth Medical School, Hanover, NH 03755-3835, USA
| | | | | | | | | | | | | | | | | |
Collapse
|
12
|
Lu Z, Kleeff J, Shrikhande S, Zimmermann T, Korc M, Friess H, Büchler MW. Expression of the multidrug-resistance 1 (MDR1) gene and prognosis in human pancreatic cancer. Pancreas 2000; 21:240-7. [PMID: 11039467 DOI: 10.1097/00006676-200010000-00004] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Multidrug-resistance 1 (MDR1) encodes a 170 kDa transmembrane glycoprotein (P-glycoprotein), which acts as a drug-efflux pump. In the present study, we analyzed the expression of MDR1/P-glycoprotein in human pancreatic cancer and correlated the results with clinical parameters. Pancreatic cancer tissue samples were obtained from 67 patients (30 female, 37 male) who underwent surgery. Normal pancreatic tissues obtained from 15 previously healthy organ donors (4 female, 11 male) served as controls. MDR1 mRNA levels were analyzed by Northern blotting, and the exact site of MDR1 mRNA expression was determined by in situ hybridization and immunohistochemistry. Northern blot analysis indicated that in comparison with the normal pancreas, MDR1 mRNA levels were only increased 1.4-fold (p = 0.03) in the pancreatic cancer samples. However, there was a 2.9-fold (p < 0.01) increase in MDR1 mRNA levels when only the samples that exhibited increased expression (38%) were analyzed. In situ hybridization and immunohistochemical analysis showed that MDR1 was highly expressed in the cancer cells of these samples. Statistical analysis revealed that patients with high MDR1/P-glycoprotein expression had a shorter postoperative survival time compared with patients with weak to moderate expression of MDR1. On the basis of in situ hybridization, survival in the intense group was 11.6 (n = 12) versus 14.2 months (n = 42) in the mild to moderate group. On the basis of immunohistochemistry, survival in the intense group was 7.5 months (n = 10) versus 14.1 months (n = 40) in the mild to moderate group. Surprisingly, survival of patients with high expression of MDR1/P-glycoprotein was not significantly different from that of patients without detectable MDR1/P-glycoprotein expression. These findings suggest that both strong expression of MDR1/P-glycoprotein and lack of expression seem to influence tumor growth via known and yet unknown mechanisms.
Collapse
Affiliation(s)
- Z Lu
- Department of Visceral and Transplantation Surgery, University of Bern, Inselspital, Switzerland
| | | | | | | | | | | | | |
Collapse
|
13
|
Kong XB, Yang ZK, Liang LJ, Huang JF, Lin HL. Overexpression of P-glycoprotein in hepatocellular carcinoma and its clinical implication. World J Gastroenterol 2000; 6:134-135. [PMID: 11819542 PMCID: PMC4723582 DOI: 10.3748/wjg.v6.i1.134] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
|
14
|
|
15
|
Lacave R, Coulet F, Ricci S, Touboul E, Flahault A, Rateau JG, Cesari D, Lefranc JP, Bernaudin JF. Comparative evaluation by semiquantitative reverse transcriptase polymerase chain reaction of MDR1, MRP and GSTp gene expression in breast carcinomas. Br J Cancer 1998; 77:694-702. [PMID: 9514046 PMCID: PMC2149951 DOI: 10.1038/bjc.1998.115] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Identification and quantitative evaluation of drug resistance markers are essential to assess the impact of multidrug resistance (MDR) in clinical oncology. The MDR1 gene confers pleiotropic drug resistance in tumour cells, but other molecular mechanisms are also involved in drug resistance. In particular, the clinical pattern of expression of the other MDR-related genes is unclear and their interrelationships are still unknown. Here, we report standardization of the procedures used to determine a reliable method of semiquantitative reverse transcriptase polymerase chain reaction (RT-PCR) using a standard series of drug-sensitive and increasingly resistant cell lines to evaluate the expression of three MDR-related genes, i.e. MDR1 (multidrug resistance gene 1), MRP (multidrug resistance related protein) and GSTp (glutathione-S-transferase p), reported to be endogenous standard genes for normalization of mRNAs. A total of 74 breast cancer surgical biopsies, obtained before any treatment, were evaluated by this method. When compared with classical clinical and laboratory findings, GSTp mRNA level was higher in diploid tumours. However, the main finding of our study suggests a clear relationship between two of these MDR-related gene expressions, namely GSTp and MRP. This finding provides new insight into human breast tumours, which may possibly be linked to the glutathione conjugate carrier function of MRP. Well defined semiquantitative RT-PCR procedures can therefore constitute a powerful tool to investigate MDR phenotype at mRNA levels of different related genes in small and precious tumour biopsy specimens.
Collapse
MESH Headings
- ATP Binding Cassette Transporter, Subfamily B, Member 1/biosynthesis
- ATP Binding Cassette Transporter, Subfamily B, Member 1/genetics
- ATP-Binding Cassette Transporters/biosynthesis
- ATP-Binding Cassette Transporters/genetics
- Adult
- Breast Neoplasms/genetics
- Breast Neoplasms/metabolism
- DNA, Neoplasm/genetics
- Drug Resistance, Multiple/genetics
- Drug Resistance, Neoplasm/genetics
- Female
- Flow Cytometry
- Gene Expression Regulation, Neoplastic
- Glutathione Transferase/biosynthesis
- Glutathione Transferase/genetics
- Humans
- Middle Aged
- Multidrug Resistance-Associated Proteins
- Neoplasm Proteins/biosynthesis
- Neoplasm Proteins/genetics
- Polymerase Chain Reaction/methods
- RNA, Messenger/biosynthesis
- RNA, Neoplasm/biosynthesis
Collapse
Affiliation(s)
- R Lacave
- Laboratoire d'Histologie et Biologie Tumorale et Université Pierre et Marie Curie - Paris 6, Hôpital Tenon, France
| | | | | | | | | | | | | | | | | |
Collapse
|
16
|
Tsukamoto F, Shiba E, Taguchi T, Sugimoto T, Watanabe T, Kim SJ, Tanji Y, Kimoto Y, Izukura M, Takai SI. Immunohistochemical Detection of P-glycoprotein in Breast Cancer and Its Significance as a Prognostic Factor. Breast Cancer 1997; 4:259-263. [PMID: 11091611 DOI: 10.1007/bf02966518] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Overexpression of P-glycoprotein (Pgp) in tumors is one of the major mechanisms which mediates the multidrug resistance (MDR) phenotype. To evaluate the prognostic significance of Pgp in breast cancer, Pgp expression was examined in paraffin-embedded tissue sections of 94 breast cancer specimens by immunohistochemistry. Tissue specimens were obtained by mastectomy without preoperative chemotherapy. UIC2 monoclonal antibody which recognizes an extracellular epitope of human Pgp was employed. Of the 94 breast cancer specimens, 35(37.2%)were positive for Pgp expression. Pgp expression had no correlation with menopausal or hormone receptor status, axillary Iymph node involvement or tumor size. However, a significant correlation was observed between Pgp expression and disease relapse (p=0.0322). Pgp-positive patients showed a significantly shorter disease-free survival period than Pgp-negative patients by the Kaplan-Meier method (p=0.0433). These results suggest that immunohistochemical detection of Pgp in breast cancer tissue may have prognostic value after radical operation.
Collapse
Affiliation(s)
- F Tsukamoto
- Department of Surgical Oncology, Osaka University Medical School, 2-2 Yamadaoka, Suita 565, Japan
| | | | | | | | | | | | | | | | | | | |
Collapse
|