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Zhu JW, Charkhchi P, Adekunte S, Akbari MR. What Is Known about Breast Cancer in Young Women? Cancers (Basel) 2023; 15:cancers15061917. [PMID: 36980802 PMCID: PMC10047861 DOI: 10.3390/cancers15061917] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/17/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
Breast cancer (BC) is the second leading cause of cancer-related death in women under the age of 40 years worldwide. In addition, the incidence of breast cancer in young women (BCYW) has been rising. Young women are not the focus of screening programs and BC in younger women tends to be diagnosed in more advanced stages. Such patients have worse clinical outcomes and treatment complications compared to older patients. BCYW has been associated with distinct tumour biology that confers a worse prognosis, including poor tumour differentiation, increased Ki-67 expression, and more hormone-receptor negative tumours compared to women >50 years of age. Pathogenic variants in cancer predisposition genes such as BRCA1/2 are more common in early-onset BC compared to late-onset BC. Despite all these differences, BCYW remains poorly understood with a gap in research regarding the risk factors, diagnosis, prognosis, and treatment. Age-specific clinical characteristics or outcomes data for young women are lacking, and most of the standard treatments used in this subpopulation currently are derived from older patients. More age-specific clinical data and treatment options are required. In this review, we discuss the epidemiology, clinicopathologic characteristics, outcomes, treatments, and special considerations of breast cancer in young women. We also underline future directions and highlight areas that require more attention in future studies.
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Affiliation(s)
- Jie Wei Zhu
- Women's College Research Institute, Women's College Hospital, University of Toronto, Toronto, ON M5G 2C4, Canada
- Department of Medicine, University of Toronto, Toronto, ON M5S 1A1, Canada
| | - Parsa Charkhchi
- Women's College Research Institute, Women's College Hospital, University of Toronto, Toronto, ON M5G 2C4, Canada
| | - Shadia Adekunte
- Women's College Research Institute, Women's College Hospital, University of Toronto, Toronto, ON M5G 2C4, Canada
| | - Mohammad R Akbari
- Women's College Research Institute, Women's College Hospital, University of Toronto, Toronto, ON M5G 2C4, Canada
- Institute of Medical Science, Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON M5T 3M7, Canada
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2
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The gallium complex KP46 sensitizes resistant leukemia cells and overcomes Bcl-2-induced multidrug resistance in lymphoma cells via upregulation of Harakiri and downregulation of XIAP in vitro. Biomed Pharmacother 2022; 156:113974. [DOI: 10.1016/j.biopha.2022.113974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/28/2022] [Accepted: 11/02/2022] [Indexed: 11/09/2022] Open
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3
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Layos L, Martínez-Balibrea E, Ruiz de Porras V. Curcumin: A Novel Way to Improve Quality of Life for Colorectal Cancer Patients? Int J Mol Sci 2022; 23:ijms232214058. [PMID: 36430537 PMCID: PMC9695864 DOI: 10.3390/ijms232214058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/07/2022] [Accepted: 11/11/2022] [Indexed: 11/16/2022] Open
Abstract
Colorectal cancer (CRC) is the third most common cancer in men and the second most common in women. Treatment of metastatic CRC consists of highly toxic chemotherapeutic drug combinations that often negatively affect patient quality of life (QoL). Moreover, chemotherapy-induced toxicity and chemotherapy resistance are among the most important factors limiting cancer treatment and can lead to the interruption or discontinuation of potentially effective therapy. Several preclinical studies have demonstrated that curcumin acts through multiple cellular pathways and possesses both anti-cancer properties against CRC and the capacity to mitigate chemotherapy-related side effects and overcome drug resistance. In this review article, we suggest that the addition of curcumin to the standard chemotherapeutic treatment for metastatic CRC could reduce associated side-effects and overcome chemotherapy resistance, thereby improving patient QoL.
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Affiliation(s)
- Laura Layos
- Medical Oncology Department, Catalan Institute of Oncology, Ctra. Can Ruti-Camí de les Escoles s/n, 08916 Badalona, Spain
- Catalan Institute of Oncology, Badalona Applied Research Group in Oncology (B·ARGO), Ctra. Can Ruti-Camí de les Escoles s/n, 08916 Badalona, Spain
- Germans Trias i Pujol Research Institute (IGTP), Ctra. Can Ruti-Camí de les escoles s/n, 08916 Badalona, Spain
| | - Eva Martínez-Balibrea
- Germans Trias i Pujol Research Institute (IGTP), Ctra. Can Ruti-Camí de les escoles s/n, 08916 Badalona, Spain
- ProCURE Program, Catalan Institute of Oncology, Ctra. Can Ruti-Camí de les escoles s/n, 08916 Badalona, Spain
| | - Vicenç Ruiz de Porras
- Catalan Institute of Oncology, Badalona Applied Research Group in Oncology (B·ARGO), Ctra. Can Ruti-Camí de les Escoles s/n, 08916 Badalona, Spain
- Germans Trias i Pujol Research Institute (IGTP), Ctra. Can Ruti-Camí de les escoles s/n, 08916 Badalona, Spain
- Correspondence: ; Tel.: +34-(93)-5546301
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4
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Hlavaty J, Ertl R, Mekuria TA, Rütgen B, Tsujimoto H, Walter I, Wolfesberger B. Effect of prednisolone pre-treatment on cat lymphoma cell sensitivity towards chemotherapeutic drugs. Res Vet Sci 2021; 138:178-187. [PMID: 34157499 DOI: 10.1016/j.rvsc.2021.06.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 06/04/2021] [Accepted: 06/09/2021] [Indexed: 10/21/2022]
Abstract
Corticosteroid administration prior to the application of chemotherapy in small animal lymphoma patients is a concern, as it is discussed to negatively influence the therapeutic outcome due to corticosteroid-induced drug resistance. Using feline lymphoma cell lines FT-1 and MS4 we have shown, that prednisolone pre-treatment alters the susceptibility of these cells towards doxorubicin or vincristine treatment in vitro. The observed effect was negative as for the killing potential and it was cell line and drug (doxorubicin or vincristine) dependent. Furthermore, increase in mRNA expression of selected proteins with multidrug resistance potential (MDR1, BCRP, LRP, MT) was observed after prednisolone pre-treatment. Administration of chemical inhibitors of these proteins did not lead to reversal in sensitivity of tested cell lines to doxorubicin or vincristine.
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Affiliation(s)
- Juraj Hlavaty
- Institute of Pathology, Working Group Histology, University of Veterinary Medicine, Vienna, Austria.
| | - Reinhard Ertl
- VetCORE Facility for Research, University of Veterinary Medicine, Vienna, Austria
| | - Tewodros Abere Mekuria
- Institute of Pathology, Working Group Histology, University of Veterinary Medicine, Vienna, Austria
| | - Barbara Rütgen
- Central Laboratory, Institute of Immunology, University of Veterinary Medicine, Vienna, Austria
| | - Hajime Tsujimoto
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
| | - Ingrid Walter
- Institute of Pathology, Working Group Histology, University of Veterinary Medicine, Vienna, Austria; VetCORE Facility for Research, University of Veterinary Medicine, Vienna, Austria
| | - Birgitt Wolfesberger
- Clinic for Companion Animal Medicine, Unit for Internal Medicine, University of Veterinary Medicine, Vienna, Austria
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5
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Mollaei M, Hassan ZM, Khorshidi F, Langroudi L. Chemotherapeutic drugs: Cell death- and resistance-related signaling pathways. Are they really as smart as the tumor cells? Transl Oncol 2021; 14:101056. [PMID: 33684837 PMCID: PMC7938256 DOI: 10.1016/j.tranon.2021.101056] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/05/2021] [Accepted: 02/22/2021] [Indexed: 02/07/2023] Open
Abstract
Chemotherapeutic drugs kill cancer cells or control their progression all over the patient's body, while radiation- and surgery-based treatments perform in a particular site. Based on their mechanisms of action, they are classified into different groups, including alkylating substrates, antimetabolite agents, anti-tumor antibiotics, inhibitors of topoisomerase I and II, mitotic inhibitors, and finally, corticosteroids. Although chemotherapeutic drugs have brought about more life expectancy, two major and severe complications during chemotherapy are chemoresistance and tumor relapse. Therefore, we aimed to review the underlying intracellular signaling pathways involved in cell death and resistance in different chemotherapeutic drug families to clarify the shortcomings in the conventional single chemotherapy applications. Moreover, we have summarized the current combination chemotherapy applications, including numerous combined-, and encapsulated-combined-chemotherapeutic drugs. We further discussed the possibilities and applications of precision medicine, machine learning, next-generation sequencing (NGS), and whole-exome sequencing (WES) in promoting cancer immunotherapies. Finally, some of the recent clinical trials concerning the application of immunotherapies and combination chemotherapies were included as well, in order to provide a practical perspective toward the future of therapies in cancer cases.
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Affiliation(s)
- Mojtaba Mollaei
- Department of Immunology, School of Medicine, Tarbiat Modares University, Tehran, Iran.
| | | | - Fatemeh Khorshidi
- Department of Immunology, School of Medicine, Tarbiat Modares University, Tehran, Iran; Department of Immunology, Pasteur Institute of Iran, Tehran, Iran
| | - Ladan Langroudi
- Department of Immunology, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
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6
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Yang Y, Mansfeld FM, Kavallaris M, Gaus K, Tilley RD, Gooding JJ. Monitoring the heterogeneity in single cell responses to drugs using electrochemical impedance and electrochemical noise. Chem Sci 2020; 12:2558-2566. [PMID: 34164023 PMCID: PMC8179273 DOI: 10.1039/d0sc05489e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Accepted: 12/28/2020] [Indexed: 12/24/2022] Open
Abstract
Impedance spectroscopy is a widely used technique for monitoring cell-surface interactions and morphological changes, typically based on averaged signals from thousands of cells. However, acquiring impedance data at the single cell level, can potentially reveal cell-to-cell heterogeneity for example in response to chemotherapeutic agents such as doxorubicin. Here, we present a generic platform where light is used to define and localize the electroactive area, thus enabling the impedance measurements for selected single cells. We firstly tested the platform to assess phenotypic changes in breast cancer cells, at the single cell level, using the change in the cell impedance. We next show that changes in electrochemical noise reflects instantaneous responses of the cells to drugs, prior to any phenotypical changes. We used doxorubicin and monensin as model drugs and found that both drug influx and efflux events affect the impedance noise signals. Finally, we show how the electrochemical noise signal can be combined with fluorescence microscopy, to show that the noise provides information on cell susceptibility and resistance to drugs at the single cell level. Together the combination of electrochemical impedance and electrochemical noise with fluorescence microscopy provides a unique approach to understanding the heterogeneity in the response of single cells to stimuli where there is not phenotypic change.
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Affiliation(s)
- Ying Yang
- School of Chemistry, The University of New South Wales Sydney NSW 2052 Australia
- Australian Centre for NanoMedicine, The University of New South Wales Sydney NSW 2052 Australia
- The ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of New South Wales Sydney NSW 2052 Australia
| | - Friederike M Mansfeld
- Australian Centre for NanoMedicine, The University of New South Wales Sydney NSW 2052 Australia
- The ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of New South Wales Sydney NSW 2052 Australia
- Children's Cancer Institute, The University of New South Wales Sydney NSW 2052 Australia
- Monash Institute of Pharmaceutical Sciences, Monash University Melbourne VIC 3052 Australia
| | - Maria Kavallaris
- Australian Centre for NanoMedicine, The University of New South Wales Sydney NSW 2052 Australia
- The ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of New South Wales Sydney NSW 2052 Australia
- Children's Cancer Institute, The University of New South Wales Sydney NSW 2052 Australia
| | - Katharina Gaus
- EMBL Australia Node in Single Molecule Science, School of Medical Sciences, The University of New South Wales Sydney NSW 2052 Australia
- ARC Centre of Excellence in Advanced Molecular Imaging, The University of New South Wales Sydney NSW 2052 Australia
| | - Richard D Tilley
- School of Chemistry, The University of New South Wales Sydney NSW 2052 Australia
- Australian Centre for NanoMedicine, The University of New South Wales Sydney NSW 2052 Australia
| | - J Justin Gooding
- School of Chemistry, The University of New South Wales Sydney NSW 2052 Australia
- Australian Centre for NanoMedicine, The University of New South Wales Sydney NSW 2052 Australia
- The ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of New South Wales Sydney NSW 2052 Australia
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7
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Goda K, Dönmez-Cakil Y, Tarapcsák S, Szalóki G, Szöllősi D, Parveen Z, Türk D, Szakács G, Chiba P, Stockner T. Human ABCB1 with an ABCB11-like degenerate nucleotide binding site maintains transport activity by avoiding nucleotide occlusion. PLoS Genet 2020; 16:e1009016. [PMID: 33031417 PMCID: PMC7544095 DOI: 10.1371/journal.pgen.1009016] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 07/29/2020] [Indexed: 11/28/2022] Open
Abstract
Several ABC exporters carry a degenerate nucleotide binding site (NBS) that is unable to hydrolyze ATP at a rate sufficient for sustaining transport activity. A hallmark of a degenerate NBS is the lack of the catalytic glutamate in the Walker B motif in the nucleotide binding domain (NBD). The multidrug resistance transporter ABCB1 (P-glycoprotein) has two canonical NBSs, and mutation of the catalytic glutamate E556 in NBS1 renders ABCB1 transport-incompetent. In contrast, the closely related bile salt export pump ABCB11 (BSEP), which shares 49% sequence identity with ABCB1, naturally contains a methionine in place of the catalytic glutamate. The NBD-NBD interfaces of ABCB1 and ABCB11 differ only in four residues, all within NBS1. Mutation of the catalytic glutamate in ABCB1 results in the occlusion of ATP in NBS1, leading to the arrest of the transport cycle. Here we show that despite the catalytic glutamate mutation (E556M), ABCB1 regains its ATP-dependent transport activity, when three additional diverging residues are also replaced. Molecular dynamics simulations revealed that the rescue of ATPase activity is due to the modified geometry of NBS1, resulting in a weaker interaction with ATP, which allows the quadruple mutant to evade the conformationally locked pre-hydrolytic state to proceed to ATP-driven transport. In summary, we show that ABCB1 can be transformed into an active transporter with only one functional catalytic site by preventing the formation of the ATP-locked pre-hydrolytic state in the non-canonical site. ABC transporters are one of the largest membrane protein superfamilies, present in all organisms from archaea to humans. They transport a wide range of molecules including amino acids, sugars, vitamins, nucleotides, peptides, lipids, metabolites, antibiotics, and xenobiotics. ABC transporters energize substrate transport by hydrolyzing ATP in two symmetrically arranged nucleotide binding sites (NBSs). The human multidrug resistance transporter ABCB1 has two active NBSs, and it is generally believed that integrity and cooperation of both sites are needed for transport. Several human ABC transporters, such as the bile salt transporter ABCB11, have one degenerate NBS, which has significantly reduced ATPase activity. Interestingly, unilateral mutations affecting one of the two NBSs completely abolish the function of symmetrical ABC transporters. Here we engineered an ABCB1 variant with a degenerate, ABCB11-like NBS1, which can nevertheless transport substrates. Our results indicate that ABCB1 can mediate active transport with a single active site, questioning the validity of models assuming strictly alternating catalysis.
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Affiliation(s)
- Katalin Goda
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Egyetem tér, Debrecen, Hungary
| | - Yaprak Dönmez-Cakil
- Institute of Pharmacology, Center for Physiology and Pharmacology, Medical University of Vienna, Waehringerstrasse, Vienna, Austria
- Department of Histology and Embryology, Faculty of Medicine, Maltepe University, Maltepe, Istanbul, Turkey
| | - Szabolcs Tarapcsák
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Egyetem tér, Debrecen, Hungary
- Doctoral School of Molecular Cell and Immune Biology, University of Debrecen, Egyetem tér, Debrecen, Hungary
| | - Gábor Szalóki
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Egyetem tér, Debrecen, Hungary
| | - Dániel Szöllősi
- Institute of Pharmacology, Center for Physiology and Pharmacology, Medical University of Vienna, Waehringerstrasse, Vienna, Austria
| | - Zahida Parveen
- Institute of Medical Chemistry, Center for Pathobiochemistry and Genetics, Medical University of Vienna, Waehringerstrasse, Vienna, Austria
- Department of Biochemistry, Abdul Wali Khan University Mardan, Khyber Pakhtunkhwa, Pakistan
| | - Dóra Türk
- Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Magyar Tudósok körútja, Budapest, Hungary
| | - Gergely Szakács
- Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Magyar Tudósok körútja, Budapest, Hungary
- Institute of Cancer Research, Medical University of Vienna, Borschkegasse, Vienna, Austria
| | - Peter Chiba
- Institute of Medical Chemistry, Center for Pathobiochemistry and Genetics, Medical University of Vienna, Waehringerstrasse, Vienna, Austria
- * E-mail: (PC); (TS)
| | - Thomas Stockner
- Institute of Pharmacology, Center for Physiology and Pharmacology, Medical University of Vienna, Waehringerstrasse, Vienna, Austria
- * E-mail: (PC); (TS)
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8
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Subramanian S, Boggu PR, Yun J, Jung S. Structure Activity Relationship of 4‐Phenyl‐1‐(1‐Acylindolin‐5‐Ylsulfonyl)Pyrrolidin‐2‐Ones on Anticancer Activity. B KOREAN CHEM SOC 2020. [DOI: 10.1002/bkcs.11995] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Santhosh Subramanian
- College of Pharmacy and Institute of Drug Research and DevelopmentChungnam National University Daejeon 305‐764 South Korea
| | - Pulla Reddy Boggu
- College of Pharmacy and Institute of Drug Research and DevelopmentChungnam National University Daejeon 305‐764 South Korea
| | - Jieun Yun
- Dept. of Pharmaceutical EngineeringCheongju University Cheongju 28503 South Korea
| | - Sang‐Hun Jung
- College of Pharmacy and Institute of Drug Research and DevelopmentChungnam National University Daejeon 305‐764 South Korea
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9
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Al-Akra L, Bae DH, Leck LYW, Richardson DR, Jansson PJ. The biochemical and molecular mechanisms involved in the role of tumor micro-environment stress in development of drug resistance. Biochim Biophys Acta Gen Subj 2019; 1863:1390-1397. [PMID: 31202693 DOI: 10.1016/j.bbagen.2019.06.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 06/07/2019] [Accepted: 06/11/2019] [Indexed: 12/26/2022]
Abstract
BACKGROUND Multi-drug resistance (MDR) is a leading cause of morbidity and mortality in cancer and it continues to be a challenge in cancer treatment. Moreover, the tumor micro-environment is essential to the formation of drug resistant cancers. Recent evidence indicates that the tumor micro-environment is a critical regulator of cancer progression, distant metastasis and acquired resistance of tumors to various therapies. Despite significant advances in chemotherapy and radiotherapy, the development of therapeutic resistance leads to reduced drug efficacy. SCOPE OF REVIEW This review highlights mechanistic aspects of the biochemistry of the tumor micro-enviroment, such as the hypoglycaemia, reactive oxygen species (ROS), hypoxia and their effects in propagating MDR. This is achieved through: (A) increased survival via autophagy and failure of apoptosis; (B) altered metabolic processing; and (C) reduction in drug delivery and uptake or increased drug efflux. MAJOR CONCLUSIONS The development of MDR in cancer has been demonstrated to be majorly influenced by naturally occurring stressors within the tumor micro-environment, as well as chemotherapeutics. Thus, the tumor micro-environment is currently emerging as a major focus of research which needs to be carefully addressed before cancer can be successfully treated. GENERAL SIGNIFICANCE Elucidating the biochemical mechanisms which promote MDR is essential in development of effective therapeutics that can overcome these acquired defences in cancer cells.
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Affiliation(s)
- Lina Al-Akra
- Department of Pathology and Bosch Institute, Medical Foundation Building (K25), University of Sydney, New South Wales 2006, Australia
| | - Dong-Hun Bae
- Department of Pathology and Bosch Institute, Medical Foundation Building (K25), University of Sydney, New South Wales 2006, Australia
| | - Lionel Y W Leck
- Department of Pathology and Bosch Institute, Medical Foundation Building (K25), University of Sydney, New South Wales 2006, Australia
| | - Des R Richardson
- Department of Pathology and Bosch Institute, Medical Foundation Building (K25), University of Sydney, New South Wales 2006, Australia
| | - Patric J Jansson
- Department of Pathology and Bosch Institute, Medical Foundation Building (K25), University of Sydney, New South Wales 2006, Australia.
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10
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Sharifi Noghabi H, Soo M, Khamenehfar A, Li PC. Dielectrophoretic trapping of single leukemic cells using the conventional and compact optical measurement systems. Electrophoresis 2019; 40:1478-1485. [DOI: 10.1002/elps.201800451] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Revised: 01/25/2019] [Accepted: 01/26/2019] [Indexed: 12/31/2022]
Affiliation(s)
- Hamideh Sharifi Noghabi
- Department of chemistrySimon Fraser University Burnaby British Columbia Canada
- Department of chemistryFaculty of SciencesFerdowsi University of Mashhad Mashhad Iran
| | - Mandy Soo
- Department of chemistrySimon Fraser University Burnaby British Columbia Canada
| | - Avid Khamenehfar
- Department of chemistrySimon Fraser University Burnaby British Columbia Canada
| | - Paul C.H. Li
- Department of chemistrySimon Fraser University Burnaby British Columbia Canada
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11
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Enright EF, Govindarajan K, Darrer R, MacSharry J, Joyce SA, Gahan CGM. Gut Microbiota-Mediated Bile Acid Transformations Alter the Cellular Response to Multidrug Resistant Transporter Substrates in Vitro: Focus on P-glycoprotein. Mol Pharm 2018; 15:5711-5727. [PMID: 30388019 DOI: 10.1021/acs.molpharmaceut.8b00875] [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] [Indexed: 12/24/2022]
Abstract
Pharmacokinetic research at the host-microbe interface has been primarily directed toward effects on drug metabolism, with fewer investigations considering the absorption process. We previously demonstrated that the transcriptional expression of genes encoding intestinal transporters involved in lipid translocation are altered in germ-free and conventionalized mice possessing distinct bile acid signatures. It was consequently hypothesized that microbial bile acid metabolism, which is the deconjugation and dehydroxylation of the bile acid steroid nucleus by gut bacteria, may impact upon drug transporter expression and/or activity and potentially alter drug disposition. Using a panel of three human intestinal cell lines (Caco-2, T84, and HT-29) that differ in basal transporter expression level, bile acid conjugation-, and hydroxylation-status was shown to influence the transcription of genes encoding several major influx and efflux transporter proteins. We further investigated if these effects on transporter mRNA would translate to altered drug disposition and activity. The results demonstrated that the conjugation and hydroxylation status of the bile acid steroid nucleus can influence the cellular response to multidrug resistance (MDR) substrates, a finding that did not directly correlate with directionality of gene or protein expression. In particular, we noted that the cytotoxicity of cyclosporine A was significantly augmented in the presence of the unconjugated bile acids deoxycholic acid (DCA) and chenodeoxycholic acid (CDCA) in P-gp positive cell lines, as compared to their taurine/glycine-conjugated counterparts, implicating P-gp in the molecular response. Overall this work identifies a novel mechanism by which gut microbial metabolites may influence drug accumulation and suggests a potential role for the microbial bile acid-deconjugating enzyme bile salt hydrolase (BSH) in ameliorating multidrug resistance through the generation of bile acid species with the capacity to access and inhibit P-gp ATPase. The physicochemical property of nonionization is suggested to underpin the preferential ability of unconjugated bile acids to attenuate the efflux of P-gp substrates and to sensitize tumorigenic cells to cytotoxic therapeutics in vitro. This work provides new impetus to investigate whether perturbation of the gut microbiota, and thereby the bile acid component of the intestinal metabolome, could alter drug pharmacokinetics in vivo. These findings may additionally contribute to the development of less toxic P-gp modulators, which could overcome MDR.
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Affiliation(s)
- Elaine F Enright
- School of Pharmacy , ‡APC Microbiome Ireland , §School of Biochemistry and Cell Biology , ∥School of Microbiology , ⊥School of Medicine , University College Cork , Cork , Ireland
| | | | | | | | | | - Cormac G M Gahan
- School of Pharmacy , ‡APC Microbiome Ireland , §School of Biochemistry and Cell Biology , ∥School of Microbiology , ⊥School of Medicine , University College Cork , Cork , Ireland
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12
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Yakusheva EN, Titov DS. Structure and Function of Multidrug Resistance Protein 1. BIOCHEMISTRY (MOSCOW) 2018; 83:907-929. [DOI: 10.1134/s0006297918080047] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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13
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Pan LN, Zhang Y, Zhu CJ, Dong ZX. Kinesin KIF4A is associated with chemotherapeutic drug resistance by regulating intracellular trafficking of lung resistance-related protein. J Zhejiang Univ Sci B 2018; 18:1046-1054. [PMID: 29204984 DOI: 10.1631/jzus.b1700129] [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] [Indexed: 11/11/2022]
Abstract
Multidrug resistance (MDR) is the major impediment to cancer chemotherapy. The expression of lung resistance-related protein (LRP), a non-ATP-binding cassette (ABC) transporter, is high in tumor cells, resulting in their resistance to a variety of cytotoxic drugs. However, the function of LRP in tumor drug resistance is not yet explicit. Our previous studies had shown that Kinesin KIF4A was overexpressed in cisplatin (DDP)-resistant human lung adenocarcinoma cells (A549/DDP cells) compared with A549 cells. The expression of KIF4A in A549 or A549/DDP cells significantly affects cisplatin resistance but the detailed mechanisms remain unclear. Here, we performed co-immunoprecipitation experiments to show that the tail domain of KIF4A interacted with the N-terminal of LRP. Immunofluorescence images showed that both the ability of binding to LRP and the motility of KIF4A were essential for the dispersed cytoplasm distribution of LRP. Altogether, our results shed light on a potential mechanism in that motor protein KIF4A promotes drug resistance of lung adenocarcinoma cells through transporting LRP-based vaults along microtubules towards the cell membrane. Thus KIF4A might be a cisplatin resistance-associated protein and serves as a potential target for chemotherapeutic drug resistance in lung cancer.
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Affiliation(s)
- Li-Na Pan
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin 300387, China.,Key Laboratory of Molecular and Cellular Systems Biology, Tianjin Normal University, Tianjin 300387, China
| | - Yuan Zhang
- Department of Cancer Research Institute, Cancer Affiliated Hospital of Xinjiang Medical University, Urumqi 830000, China
| | - Chang-Jun Zhu
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin 300387, China.,Key Laboratory of Molecular and Cellular Systems Biology, Tianjin Normal University, Tianjin 300387, China
| | - Zhi-Xiong Dong
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin 300387, China.,Key Laboratory of Molecular and Cellular Systems Biology, Tianjin Normal University, Tianjin 300387, China
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14
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Gulati P, Kaur P, Rajam MV, Srivastava T, Mishra P, Islam SS. Single-wall carbon nanotube based electrochemical immunoassay for leukemia detection. Anal Biochem 2018; 557:111-119. [PMID: 30048629 DOI: 10.1016/j.ab.2018.07.020] [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: 12/26/2017] [Revised: 07/02/2018] [Accepted: 07/22/2018] [Indexed: 01/09/2023]
Abstract
A label-free electrochemical immunosensor is fabricated using high quality single-walled carbon nanotube for early detection of leukemia cells. It is based on P-glycoprotein (P-gp) expression level detection; by effective surface immune-complex formation with the monoclonal anti-P-glycoprotein antibodies bound to an epoxy modified nanotube surface. The expression level of P-gp on the leukemia cell surface detected by cyclic voltammetry is in good agreement with immunofluorescence microscopy studies. The proposed biosensor could be used for the detection of P-gp expressing cells within a linear range of 1.5 × 103 cells/mL - 1.5 × 107 cells/mL where lowest detection limit is found to be 19 cells/mL. A calibration plot of peak current v/s the logarithm of concentration of leukemia K562 cells is found linear with a regression coefficient of 0.935. This strategy promises high sensitivity, low-cost, fast, and repeatable recognition of cancer cells. The immunosensor was stable for three weeks and showed good precision with the relative standard deviation (RSD) of 3.57% and 2.12% assayed at the cell concentrations of 1.5 × 103 and 1.5 × 105 cells mL-1 respectively. The proposed single-wall carbon nanotube based immunosensor showed better analytical performance in comparison to similar leukemia electrochemical sensors reported.
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Affiliation(s)
- Payal Gulati
- Centre for Nanoscience and Nanotechnology, Jamia Millia Islamia (A Central University), New Delhi, India
| | - Prabhjot Kaur
- Department of Genetics, Delhi University, New Delhi, India
| | - M V Rajam
- Department of Genetics, Delhi University, New Delhi, India
| | | | - Prabhash Mishra
- Centre for Nanoscience and Nanotechnology, Jamia Millia Islamia (A Central University), New Delhi, India
| | - S S Islam
- Centre for Nanoscience and Nanotechnology, Jamia Millia Islamia (A Central University), New Delhi, India.
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15
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Aghanejad A, Babamiri H, Adibkia K, Barar J, Omidi Y. Mucin-1 aptamer-armed superparamagnetic iron oxide nanoparticles for targeted delivery of doxorubicin to breast cancer cells. BIOIMPACTS : BI 2018; 8:117-127. [PMID: 29977833 PMCID: PMC6026525 DOI: 10.15171/bi.2018.14] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Revised: 04/28/2018] [Accepted: 05/01/2018] [Indexed: 12/19/2022]
Abstract
Introduction: Superparamagnetic iron oxide nanoparticles (SPIONs) can be functionalized with various agents (e.g., targeting and therapeutic agents) and used for targeted imaging/therapy of cancer. In the present study, we engineered doxorubicin (DOX)-conjugated anti-mucin -1 (MUC-1) aptamer (Ap)-armed PEGylated SPIONs for targeted delivery of DOX molecules to the breast cancer MCF-7 cells. Methods: The SPIONs were synthesized using the thermal decomposition method and modified by polyethylene glycol (PEG) to maximize their biocompatibility and minimize any undesired cytotoxicity effects. Subsequently, DOX molecules were loaded onto the SPIONs, which were further armed with amine-modified MUC-1 aptamer by EDC/NHS chemistry. Results: The morphologic and size analyses of nanoparticles (NPs) by transmission electron microscopy (TEM) and dynamic light scattering (DLS) revealed spherical and monodisperse MNPs with a size range of 5-64 nm. The FT-IR spectrophotometry and 1 HNMR analysis confirmed the surface modification of NPs. The cytotoxicity assay of the aptamer-armed MNPs exhibited a higher death rate in the MUC-1 over-expressing MCF-7 cells as compared to the MUC-1 under-expressing MDA-MB-231 cells. The flow cytometry analysis of the engineered Ap-armed SPIONs revealed a higher uptake as compared to the SPIONs alone. Conclusion: Based on our findings, the anti-MUC-1 Ap-armed PEGylated SPIONs loaded with DOX molecules could serve as an effective multifunctional theranostics for simultaneous detection and eradication of MUC-1-positive breast cancer cells.
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Affiliation(s)
- Ayuob Aghanejad
- Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hiwa Babamiri
- Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Pharmaceutics, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Khosro Adibkia
- Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Pharmaceutics, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Jaleh Barar
- Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Pharmaceutics, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Yadollah Omidi
- Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Pharmaceutics, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
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16
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Huang FY, Lei J, Sun Y, Yan F, Chen B, Zhang L, Lu Z, Cao R, Lin YY, Wang CC, Tan GH. Induction of enhanced immunogenic cell death through ultrasound-controlled release of doxorubicin by liposome-microbubble complexes. Oncoimmunology 2018; 7:e1446720. [PMID: 29900064 DOI: 10.1080/2162402x.2018.1446720] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 02/23/2018] [Accepted: 02/23/2018] [Indexed: 02/07/2023] Open
Abstract
Immunogenic cell death (ICD) is a specific kind of cell death that stimulates the immune system to combat cancer cells. Ultrasound (US)-controlled targeted release of drugs by liposome-microbubble complexes is a promising approach due to its non-invasive nature and visibility through ultrasound imaging. However, it is not known whether this approach can enhance ICD induced by drugs, such as doxorubicin. Herein, we prepared a doxorubicin-liposome-microbubble complex (MbDox), and the resultant MbDox was then characterized and tested for US-controlled release of Dox (MbDox+US treatment) to enhance the induction of ICD in LL/2 and CT26 cancer cells and in syngeneic murine models. We found that MbDox+US treatment caused more cellular uptake and nuclear accumulation of Dox in tumor cells, and more accumulation of Dox in tumor tissues. Enhanced induction of ICD occurred both in vitro and in vivo. MbDox+US treatment induced more apoptosis, stronger membrane exposure and the release of ER stress proteins and DAMPs in tumor cells, and increased DC maturation in vitro. In addition, MbDox+US treatment also resulted in stronger therapeutic effects in immunocompetent mice than in immunodeficient mice. Moreover, MbDox+US enhancement of ICD was also evidenced by a higher proportion of activated CD8+ T-lymphocytes but lower Treg in tumor tissues. Taken together, our results demonstrate that US-controlled release of ICD inducers into nuclei using liposome-microbubble complexes may be an effective approach to enhance the induction of ICD for tumor treatment.
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Affiliation(s)
- Feng-Ying Huang
- Key Laboratory of Tropical Diseases and Translational Medicine of the Ministry of Education & Hainan Provincial Key Laboratory of Tropical Medicine, Hainan Medical College, Haikou , China
| | - Jing Lei
- Key Laboratory of Tropical Diseases and Translational Medicine of the Ministry of Education & Hainan Provincial Key Laboratory of Tropical Medicine, Hainan Medical College, Haikou , China.,Department of Respiratory Medicine, The First Affiliated Hospital of Hainan Medical College, Haikou , China
| | - Yan Sun
- Key Laboratory of Tropical Diseases and Translational Medicine of the Ministry of Education & Hainan Provincial Key Laboratory of Tropical Medicine, Hainan Medical College, Haikou , China
| | - Fei Yan
- Key Laboratory of Tropical Diseases and Translational Medicine of the Ministry of Education & Hainan Provincial Key Laboratory of Tropical Medicine, Hainan Medical College, Haikou , China
| | - Bin Chen
- Key Laboratory of Tropical Diseases and Translational Medicine of the Ministry of Education & Hainan Provincial Key Laboratory of Tropical Medicine, Hainan Medical College, Haikou , China
| | - Liming Zhang
- Key Laboratory of Tropical Diseases and Translational Medicine of the Ministry of Education & Hainan Provincial Key Laboratory of Tropical Medicine, Hainan Medical College, Haikou , China
| | - Zhuoxuan Lu
- Key Laboratory of Tropical Diseases and Translational Medicine of the Ministry of Education & Hainan Provincial Key Laboratory of Tropical Medicine, Hainan Medical College, Haikou , China
| | - Rong Cao
- Key Laboratory of Tropical Diseases and Translational Medicine of the Ministry of Education & Hainan Provincial Key Laboratory of Tropical Medicine, Hainan Medical College, Haikou , China
| | - Ying-Ying Lin
- Key Laboratory of Tropical Diseases and Translational Medicine of the Ministry of Education & Hainan Provincial Key Laboratory of Tropical Medicine, Hainan Medical College, Haikou , China
| | - Cai-Chun Wang
- Key Laboratory of Tropical Diseases and Translational Medicine of the Ministry of Education & Hainan Provincial Key Laboratory of Tropical Medicine, Hainan Medical College, Haikou , China.,Department of Respiratory Medicine, The First Affiliated Hospital of Hainan Medical College, Haikou , China
| | - Guang-Hong Tan
- Key Laboratory of Tropical Diseases and Translational Medicine of the Ministry of Education & Hainan Provincial Key Laboratory of Tropical Medicine, Hainan Medical College, Haikou , China
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Subramanian S, Boggu PR, Yun J, Jung SH. Identification of N-arylsulfonylpyrimidones as anticancer agents. Arch Pharm Res 2018; 41:251-258. [PMID: 29332183 DOI: 10.1007/s12272-018-1003-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 01/04/2018] [Indexed: 11/29/2022]
Abstract
For confirming the role of five membered ring of imidazolidinone moiety of N-arylsulfonylimidazolidinones (7) previously reported with highly potent anticancer agent, a series of N-arylsulfonylpyrimidones (10a-g) and N-arylsulfonyltetrahydropyrimidones (11a-e) were prepared and their anti-proliferating activity was measured against human cancer cell lines (renal ACHN, colon HCT-15, breast MDA-MB-231, lung NCI-H23, stomach NUGC-3, and prostate PC-3) using XTT assay. Among them, 1-(1-acetylindolin-5-ylsulfonyl)-4-phenyltetrahydropyrimidin-2(1H)-one (11d, mean GI50 = 3.50 µM) and ethyl 5-(2-oxo-4-phenyltetrahydropyrimidin-1(2H)-ylsulfonyl)-indoline-1-carboxylate (11e, mean GI50 = 0.26 µM) showed best growth inhibitory activity against human cancer cell lines. Considering the activity results, N-arylsulfonyltetrahydropyrimidones (11) exhibited more potent activity compared to N-arylsulfonylpyrimidones (10) and comparable activity to N-arylsulfonylimidazolidinones (7). Especially, tetrahydropyrimidin-2(1H)-one analogs containing acylindolin-5-ylsulfonyl moiety at position 1 demonstrated their strong growth inhibitory activity against human cancer cell lines.
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Affiliation(s)
- Santhosh Subramanian
- College of Pharmacy and Institute of Drug Research and Development, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Pulla Reddy Boggu
- College of Pharmacy and Institute of Drug Research and Development, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Jieun Yun
- Department of Pharmaceutical Engineering, Cheongju University, Cheongwon-gu, Cheongju, 28503, Republic of Korea
| | - Sang-Hun Jung
- College of Pharmacy and Institute of Drug Research and Development, Chungnam National University, Daejeon, 34134, Republic of Korea.
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18
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Al-Akra L, Bae DH, Sahni S, Huang MLH, Park KC, Lane DJR, Jansson PJ, Richardson DR. Tumor stressors induce two mechanisms of intracellular P-glycoprotein-mediated resistance that are overcome by lysosomal-targeted thiosemicarbazones. J Biol Chem 2018; 293:3562-3587. [PMID: 29305422 DOI: 10.1074/jbc.m116.772699] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 11/12/2017] [Indexed: 11/06/2022] Open
Abstract
Multidrug resistance (MDR) is a major obstacle in cancer treatment due to the ability of tumor cells to efflux chemotherapeutics via drug transporters (e.g. P-glycoprotein (Pgp; ABCB1)). Although the mechanism of Pgp-mediated drug efflux is known at the plasma membrane, the functional role of intracellular Pgp is unclear. Moreover, there has been intense focus on the tumor micro-environment as a target for cancer treatment. This investigation aimed to dissect the effects of tumor micro-environmental stress on subcellular Pgp expression, localization, and its role in MDR. These studies demonstrated that tumor micro-environment stressors (i.e. nutrient starvation, low glucose levels, reactive oxygen species, and hypoxia) induce Pgp-mediated drug resistance. This occurred by two mechanisms, where stressors induced 1) rapid Pgp internalization and redistribution via intracellular trafficking (within 1 h) and 2) hypoxia-inducible factor-1α expression after longer incubations (4-24 h), which up-regulated Pgp and was accompanied by lysosomal biogenesis. These two mechanisms increased lysosomal Pgp and facilitated lysosomal accumulation of the Pgp substrate, doxorubicin, resulting in resistance. This was consistent with lysosomal Pgp being capable of transporting substrates into lysosomes. Hence, tumor micro-environmental stressors result in: 1) Pgp redistribution to lysosomes; 2) increased Pgp expression; 3) lysosomal biogenesis; and 4) potentiation of Pgp substrate transport into lysosomes. In contrast to doxorubicin, when stress stimuli increased lysosomal accumulation of the cytotoxic Pgp substrate, di-2-pyridylketone 4,4-dimethyl-3-thiosemicarbazone (Dp44mT), this resulted in the agent overcoming resistance. Overall, this investigation describes a novel approach to overcoming resistance in the stressful tumor micro-environment.
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Affiliation(s)
- Lina Al-Akra
- From the Molecular Pharmacology and Pathology Program, Discipline of Pathology and Bosch Institute, Medical Foundation Building (K25), University of Sydney, Sydney, New South Wales 2006, Australia
| | - Dong-Hun Bae
- From the Molecular Pharmacology and Pathology Program, Discipline of Pathology and Bosch Institute, Medical Foundation Building (K25), University of Sydney, Sydney, New South Wales 2006, Australia
| | - Sumit Sahni
- From the Molecular Pharmacology and Pathology Program, Discipline of Pathology and Bosch Institute, Medical Foundation Building (K25), University of Sydney, Sydney, New South Wales 2006, Australia
| | - Michael L H Huang
- From the Molecular Pharmacology and Pathology Program, Discipline of Pathology and Bosch Institute, Medical Foundation Building (K25), University of Sydney, Sydney, New South Wales 2006, Australia
| | - Kyung Chan Park
- From the Molecular Pharmacology and Pathology Program, Discipline of Pathology and Bosch Institute, Medical Foundation Building (K25), University of Sydney, Sydney, New South Wales 2006, Australia
| | - Darius J R Lane
- From the Molecular Pharmacology and Pathology Program, Discipline of Pathology and Bosch Institute, Medical Foundation Building (K25), University of Sydney, Sydney, New South Wales 2006, Australia
| | - Patric J Jansson
- From the Molecular Pharmacology and Pathology Program, Discipline of Pathology and Bosch Institute, Medical Foundation Building (K25), University of Sydney, Sydney, New South Wales 2006, Australia
| | - Des R Richardson
- From the Molecular Pharmacology and Pathology Program, Discipline of Pathology and Bosch Institute, Medical Foundation Building (K25), University of Sydney, Sydney, New South Wales 2006, Australia
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19
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Jeremić S, Amić A, Stanojević-Pirković M, Marković Z. Selected anthraquinones as potential free radical scavengers and P-glycoprotein inhibitors. Org Biomol Chem 2018; 16:1890-1902. [DOI: 10.1039/c8ob00060c] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this article, we estimated the scavenger capacity of six selected anthraquinones toward free radicals and their efficacy as inhibitors of P-glycoproteins.
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Affiliation(s)
- S. Jeremić
- Department of Chemical-Technological Sciences
- State University of Novi Pazar
- 36300 Novi Pazar
- Serbia
| | - A. Amić
- Department of Chemistry
- Josip Juraj Strossmayer University of Osijek
- 31000 Osijek
- Croatia
| | | | - Z. Marković
- Department of Chemical-Technological Sciences
- State University of Novi Pazar
- 36300 Novi Pazar
- Serbia
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20
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Pharmacogenetic study of the impact of ABCB1 single-nucleotide polymorphisms on lenalidomide treatment outcomes in patients with multiple myeloma: results from a phase IV observational study and subsequent phase II clinical trial. Cancer Chemother Pharmacol 2017; 81:183-193. [PMID: 29177954 PMCID: PMC5754426 DOI: 10.1007/s00280-017-3481-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Accepted: 11/12/2017] [Indexed: 10/26/2022]
Abstract
PURPOSE Despite therapeutic advances, patients with multiple myeloma (MM) continue to experience disease relapse and treatment resistance. The gene ABCB1 encodes the drug transporter P-glycoprotein, which confers resistance through drug extrusion across the cell membrane. Lenalidomide (Len) is excreted mainly via the kidneys, and, given the expression of P-gp in the renal tubuli, single-nucleotide polymorphisms (SNPs) in the ABCB1 gene may influence Len plasma concentrations and, subsequently, the outcome of treatment. We, therefore, investigated the influence of ABCB1 genetic variants on Len treatment outcomes and adverse events (AEs). METHODS Ninety patients with relapsed or refractory MM, who received the second-line Len plus dexamethasone in the Rev II trial, were genotyped for the ABCB1 SNPs 1199G>A (Ser400Asn, rs2229109), 1236C>T (silent, rs1128503), 2677G>T/A (Ala893Ser, rs2032582), and 3435C>T (silent, rs1045642) using pyrosequencing, and correlations to response parameters, outcomes, and AEs were investigated. RESULTS No significant associations were found between genotype and either best response rates or hematological AEs, and 1236C>T, 2677G>T or 3435C>T genotypes had no impact on survival. There was a trend towards increased time to progression (TTP) in patients carrying the 1199A variant, and a significant difference in TTP between genotypes in patients with standard-risk cytogenetics. CONCLUSIONS Our findings show a limited influence of ABCB1 genotype on lenalidomide treatment efficacy and safety. The results suggest that 1199G>A may be a marker of TTP following Len treatment in standard-risk patients; however, larger studies are needed to validate and clarify the relationship.
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21
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Basmaci C, Pehlivan M, Tomatir A, Sever T, Okan V, Yilmaz M, Oguzkan-Balci S, Pehlivan S. Effects of TNFα, NOS3, MDR1 Gene Polymorphisms on Clinical Parameters, Prognosis and Survival of Multiple Myeloma Cases. Asian Pac J Cancer Prev 2017; 17:1009-14. [PMID: 27039718 DOI: 10.7314/apjcp.2016.17.3.1009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
It is not clear how gene polymorphisms affecting drugs can contributes totheir efficacy in multiple myeloma (MM). We here aimed to explore associations among gene polymorphisms of tumor necrosis factor alpha (TNFα), nitric oxide synthesis 3 (NOS3) and multi-drug resistance 1 (MDR1), clinical parameters, prognosis and survival in MM patients treated with VAD (vincristine-adriamycine-dexamethasone), MP (mephalane-prednisolone), autolougus stem cell transplantation (ASCT), BODEC (bortezomib-dexamethasone-cyclophosphamide) and TD (thalidomide-dexamethasone). We analyzed TNFα, NOS 3 and MDR1 in 77 patients with MM and 77 healthy controls. The genotyping was performed with PCR and/or PCR-RFLP. There was no clinically significant difference between MM and control groups when TNF α(-238) and (-857) and MDR1 gene polymorphisms were studied. However, the TNFαgene polymorphism (-308) GG genotype (p=0.012) and NOS3 (+894) TT genotype (p=0.008) were more common in the MM group compared to healthy controls. NOS3 (VNTR) AA (p=0.007) and NOS3 (+894) GG genotypes (p=0.004) were decreased in the MM group in contrast. In conclusion, the NOS3 (+894) TT and TNF α(-308) GG genotypes may have roles in myeloma pathogenesis.
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Affiliation(s)
- C Basmaci
- Department of Hematology, Gaziantep University Faculty of Medicine, Gaziantep,Turkey E-mail : or
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22
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A mechanism for overcoming P-glycoprotein-mediated drug resistance: novel combination therapy that releases stored doxorubicin from lysosomes via lysosomal permeabilization using Dp44mT or DpC. Cell Death Dis 2016; 7:e2510. [PMID: 27906178 PMCID: PMC5261000 DOI: 10.1038/cddis.2016.381] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Revised: 10/12/2016] [Accepted: 10/20/2016] [Indexed: 01/05/2023]
Abstract
The intracellular distribution of a drug can cause significant variability in both activity and selectivity. Herein, we investigate the mechanism by which the anti-cancer agents, di-2-pyridylketone 4,4-dimethyl-3-thiosemicarbazone (Dp44mT) and the clinically trialed, di-2-pyridylketone 4-cyclohexyl-4-methyl-3-thiosemicarbazone (DpC), re-instate the efficacy of doxorubicin (DOX), in drug-resistant P-glycoprotein (Pgp)-expressing cells. Both Dp44mT and DpC potently target and kill Pgp-expressing tumors, while DOX effectively kills non-Pgp-expressing cancers. Thus, the combination of these agents should be considered as an effective rationalized therapy for potently treating advanced and resistant tumors that are often heterogeneous in terms of Pgp-expression. These studies demonstrate that both Dp44mT and DpC are transported into lysosomes via Pgp transport activity, where they induce lysosomal-membrane permeabilization to release DOX trapped within lysosomes. This novel strategy of loading lysosomes with DOX, followed by permeabilization with Dp44mT or DpC, results in the relocalization of stored DOX from its lysosomal 'safe house' to its nuclear targets, markedly enhancing cellular toxicity against resistant tumor cells. Notably, the combination of Dp44mT or DpC with DOX showed a very high level of synergism in multiple Pgp-expressing cell types, for example, cervical, breast and colorectal cancer cells. These studies revealed that the level of drug synergy was proportional to Pgp activity. Interestingly, synergism was ablated by inhibiting Pgp using the pharmacological inhibitor, Elacridar, or by inhibiting Pgp-expression using Pgp-silencing, demonstrating the importance of Pgp in the synergistic interaction. Furthermore, lysosomal-membrane stabilization inhibited the relocalization of DOX from lysosomes to the nucleus upon combination with Dp44mT or DpC, preventing synergism. This latter observation demonstrated the importance of lysosomal-membrane permeabilization to the synergistic interaction between these agents. The synergistic and potent anti-tumor efficacy observed between DOX and thiosemicarbazones represents a promising treatment combination for advanced cancers, which are heterogeneous and composed of non-Pgp- and Pgp-expressing tumor cells.
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Thomas E, Gopalakrishnan V, Hegde M, Kumar S, Karki SS, Raghavan SC, Choudhary B. A Novel Resveratrol Based Tubulin Inhibitor Induces Mitotic Arrest and Activates Apoptosis in Cancer Cells. Sci Rep 2016; 6:34653. [PMID: 27748367 PMCID: PMC5066224 DOI: 10.1038/srep34653] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Accepted: 09/14/2016] [Indexed: 11/14/2022] Open
Abstract
Resveratrol is one of the most widely studied bioactive plant polyphenols which possesses anticancer properties. Previously we have reported synthesis, characterization and identification of a novel resveratrol analog, SS28. In the present study, we show that SS28 induced cytotoxicity in several cancer cell lines ex vivo with an IC50 value of 3–5 μM. Mechanistic evaluation of effect of SS28 in non-small cell lung cancer cell line (A549) and T-cell leukemic cell line (CEM) showed that it inhibited Tubulin polymerization during cell division to cause cell cycle arrest at G2/M phase of the cell cycle at 12–18 h time period. Immunofluorescence studies confirmed the mitotic arrest upon treatment with SS28. Besides, we show that SS28 binds to Tubulin with a dissociation constant of 0.414 ± 0.11 μM. Further, SS28 treatment resulted in loss of mitochondrial membrane potential, activation of Caspase 9 and Caspase 3, leading to PARP-1 cleavage and finally cell death via intrinsic pathway of apoptosis. Importantly, treatment with SS28 resulted in regression of tumor in mice. Hence, our study reveals the antiproliferative activity of SS28 by disrupting microtubule dynamics by binding to its cellular target Tubulin and its potential to be developed as an anticancer molecule.
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Affiliation(s)
- Elizabeth Thomas
- Department of Biochemistry, Indian Institute of Science, Bangalore 560 012, India
| | - Vidya Gopalakrishnan
- Institute of Bioinformatics and Applied Biotechnology, Electronic City, Bangalore 560 100, India
| | - Mahesh Hegde
- Department of Biochemistry, Indian Institute of Science, Bangalore 560 012, India
| | - Sujeet Kumar
- Department of Pharmaceutical Chemistry, KLE University's College of Pharmacy, Bangalore 560 010, India
| | - Subhas S Karki
- Department of Pharmaceutical Chemistry, KLE University's College of Pharmacy, Bangalore 560 010, India
| | - Sathees C Raghavan
- Department of Biochemistry, Indian Institute of Science, Bangalore 560 012, India
| | - Bibha Choudhary
- Institute of Bioinformatics and Applied Biotechnology, Electronic City, Bangalore 560 100, India
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Li X, He Y, Ma Y, Bie Z, Liu B, Liu Z. Hybrid Approach Combining Boronate Affinity Magnetic Nanoparticles and Capillary Electrophoresis for Efficient Selection of Glycoprotein-Binding Aptamers. Anal Chem 2016; 88:9805-9812. [PMID: 27579807 DOI: 10.1021/acs.analchem.6b02907] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Capillary electrophoresis (CE) and magnetic beads have been widely used for the selection of aptamers owing to their efficient separation ability. However, these methods alone are associated with some apparent drawbacks. CE suffers from small injection volumes and thereby only a limited amount of aptamer can be collected at each round. While the magnetic beads approach is often associated with tedious procedure and nonspecific binding. Herein we present a hybrid approach that combines the above two classical aptamer selection methods to overcome the drawbacks associated with these methods alone. In this hybrid method, one single round selection by boronate affinity magnetic nanoparticles (BA-MNPs) was first performed and then followed by a CE selection of a few rounds. The BA-MNPs-based selection eliminated nonbinding sequences, enriching effective sequences in the nucleic acid library. While the CE selection, which was carried out in free solutions, eliminated steric hindrance effects in subsequent selection. Two typical glycoproteins, Ribonuclease B (RNase B) and alkaline phosphatase (ALP), were used as targets. This hybrid method allowed for efficient selection of glycoprotein-binding aptamers within 4 rounds (1 round of BA-MNPs-based selection and 3 rounds of CE selection) and the dissociation constants reached 10-8 M level. The hybrid selection approach exhibited several significant advantages, including speed, affinity, specificity, and avoiding negative selection. Using one of the selected ALP-binding aptamers as an affinity ligand, feasibility for real application of the selected aptamers was demonstrated through constructing an improved enzyme activity assay.
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Affiliation(s)
- Xinglin Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing 210023, China
| | - Yunjie He
- Comprehensive Cancer Centre of Drum Tower Hospital, Medical School of Nanjing University, Clinical Cancer Institute of Nanjing University , 321 Zhongshan Road, Nanjing 210008, China
| | - Yanyan Ma
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing 210023, China
| | - Zijun Bie
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing 210023, China
| | - Baorui Liu
- Comprehensive Cancer Centre of Drum Tower Hospital, Medical School of Nanjing University, Clinical Cancer Institute of Nanjing University , 321 Zhongshan Road, Nanjing 210008, China
| | - Zhen Liu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing 210023, China
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Abstract
The kidney plays a vital role in the elimination of xenobiotics including drugs, toxins, and endogenous metabolites. Renal drug elimination involves 3 major processes: glomerular filtration, tubular secretion, and tubular reabsorption. Although glomerular filtration is a simple unidirectional diffusion process, renal tubular secretion and/or reabsorption can involve saturable processes mediated by multiple highly specialized membrane transport systems. Current research has identified that these transport proteins play a significant role in the efficient removal and/or reabsorption of pharmacological agents. Since the majority of membrane transporters have broad substrate specificity, there is a significant risk for drug-drug interactions through competition for similar transport pathways. This article will focus on the cellular expression, localization, and transport properties of various renal drug transport systems (ie, organic anion, organic cation, nucleoside, and adenosine triphosphate [ATP]-dependent efflux transporters). Specific examples of drugs that are transported by each of these mechanisms will be provided. Clinically relevant drug-drug interactions involving renal drug transporters will be discussed to guide the clinician in understanding and preventing these interactions.
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Affiliation(s)
- Patrick T. Ronaldson
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, University of Toronto
| | - Reina Bendayan
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, University of Toronto,
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Subramanian S, Yang HS, Manickam M, Yun J, Jung SH. Investigation ofN-Arylsulfonylimidazole as Novel Scaffold for Anticancer Agents. B KOREAN CHEM SOC 2016. [DOI: 10.1002/bkcs.10734] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Santhosh Subramanian
- College of Pharmacy and Institute of Drug Research and Development; Chungnam National University; Daejeon 305-764 Korea
| | - Hyun-Sun Yang
- College of Pharmacy and Institute of Drug Research and Development; Chungnam National University; Daejeon 305-764 Korea
| | - Manoj Manickam
- College of Pharmacy and Institute of Drug Research and Development; Chungnam National University; Daejeon 305-764 Korea
| | - Jieun Yun
- Bio-Evaluation Center; Korea Research Institute of Bioscience and Biotechnology; Chungcheongbuk-do 363-883 Korea
| | - Sang-Hun Jung
- College of Pharmacy and Institute of Drug Research and Development; Chungnam National University; Daejeon 305-764 Korea
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27
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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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29
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Avcil M, Duman A, Turkdogan KA, Kapci M, Akoz A, Canakci SE, Ozluer YE. Phenytoin intoxication with no symptoms correlated with serum drug level: a case study. Pan Afr Med J 2015; 22:297. [PMID: 26966493 PMCID: PMC4769050 DOI: 10.11604/pamj.2015.22.297.7956] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Accepted: 11/13/2015] [Indexed: 11/17/2022] Open
Abstract
In high-dose intake of phenytoin, which is used frequently to treatepilepsy, nystagmus, diplopia, nausea-vomiting, lethargy, confusion, seizure, and coma can be observed. In recent studies on phenytoin intoxication, in which seizure and coma were observed in drug levels greater than 50 ug/mL. The serum phenytoin level of apatient, who consumed approximately 100 pcs of 100 mg phenytoin tablets in an effort to commit suicide, and who had no pathological finding in her neurologic examination, was 124 ug/mL. High drug level and the absence of toxic effect (or the absence of toxic effect correlated with the drug level) indicates that cytochrome P450 is functioning, but there can be a mutation in the MDR1 gene. In our case study, we report on phenytoin intoxication in a patient having a high level of phenytoin but no symptoms correlated with serum drug level, as supported by the findings in the literature.
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Affiliation(s)
- Mucahit Avcil
- Adnan Menderes University, Department of Emergency Medicine, Aydin, Turkey
| | - Ali Duman
- Adnan Menderes University, Department of Emergency Medicine, Aydin, Turkey
| | | | - Mucahit Kapci
- Adnan Menderes University, Department of Emergency Medicine, Aydin, Turkey
| | - Ayhan Akoz
- Adnan Menderes University, Department of Emergency Medicine, Aydin, Turkey
| | | | - Yunus Emre Ozluer
- Adnan Menderes University, Department of Emergency Medicine, Aydin, Turkey
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30
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Zhang R, Yao W, Qian P, Li Y, Jiang C, Ao Z, Qian G, Wang C, Wu G, Li J, Ji F, Xu J. Increased sensitivity of human lung adenocarcinoma cells to cisplatin associated with downregulated contactin-1. Biomed Pharmacother 2015; 71:172-84. [DOI: 10.1016/j.biopha.2014.11.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Accepted: 11/05/2014] [Indexed: 01/06/2023] Open
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Demitto FDO, do Amaral RCR, Maltempe FG, Siqueira VLD, Scodro RBDL, Lopes MA, Caleffi-Ferracioli KR, Canezin PH, Cardoso RF. In vitro activity of rifampicin and verapamil combination in multidrug-resistant mycobacterium tuberculosis. PLoS One 2015; 10:e0116545. [PMID: 25689777 PMCID: PMC4331551 DOI: 10.1371/journal.pone.0116545] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Accepted: 12/09/2014] [Indexed: 11/30/2022] Open
Abstract
The aim of the present study was to evaluate the effect of the combination of rifampicin (RIF) and verapamil (VP) against the Mycobacterium tuberculosis H37Rv reference strain and six multidrug-resistant (MDR) M. tuberculosis clinical isolates by determining Time-Kill Curves and the ability to efflux drug by fluorometry. The RIF+VP combination showed synergism in one MDR clinical isolate. For the other five MDR clinical isolates, the drug combination showed no interaction. The MDR clinical isolate had lower ethidium bromide (EtBr) accumulation when exposed to the RIF+VP combination, compared with RIF and VP exposure alone. The other MDR clinical isolates showed no significant difference in EtBr accumulation. These results suggest greater efflux action in one of the MDR clinical isolates compared with the M. tuberculosis H37Rv reference strain. The other five MDR isolates may have additional mechanisms of drug resistance to RIF. The use of the RIF+VP combination made one MDR bacillus more susceptible to RIF probably by inhibiting efflux pumps, and this combination therapy, in some cases, may contribute to a reduction of resistance to RIF in M. tuberculosis.
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Affiliation(s)
- Fernanda de Oliveira Demitto
- Postgraduation in Health Sciences, State University of Maringa, Avenida Colombo, 5790, Maringa, Parana, 87020–900, Brazil
| | - Renata Claro Ribeiro do Amaral
- Postgraduation in Bioscience and Pathophysiology, State University of Maringa, Avenida Colombo, 5790, Maringa, Parana, 87020–900, Brazil
| | - Flaviane Granero Maltempe
- Postgraduation in Bioscience and Pathophysiology, State University of Maringa, Avenida Colombo, 5790, Maringa, Parana, 87020–900, Brazil
| | - Vera Lúcia Dias Siqueira
- Laboratory of Medical Bacteriology, Department of Clinical Analysis and Biomedicine, State University of Maringa, Avenida Colombo, 5790, Maringa, Parana, 87020–900, Brazil
| | - Regiane Bertin de Lima Scodro
- Laboratory of Medical Bacteriology, Department of Clinical Analysis and Biomedicine, State University of Maringa, Avenida Colombo, 5790, Maringa, Parana, 87020–900, Brazil
| | - Mariana Aparecida Lopes
- Postgraduation in Bioscience and Pathophysiology, State University of Maringa, Avenida Colombo, 5790, Maringa, Parana, 87020–900, Brazil
| | - Katiany R. Caleffi-Ferracioli
- Laboratory of Medical Bacteriology, Department of Clinical Analysis and Biomedicine, State University of Maringa, Avenida Colombo, 5790, Maringa, Parana, 87020–900, Brazil
| | - Pedro Henrique Canezin
- Postgraduation in Health Sciences, State University of Maringa, Avenida Colombo, 5790, Maringa, Parana, 87020–900, Brazil
| | - Rosilene Fressatti Cardoso
- Laboratory of Medical Bacteriology, Department of Clinical Analysis and Biomedicine, State University of Maringa, Avenida Colombo, 5790, Maringa, Parana, 87020–900, Brazil
- * E-mail:
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Xue P, Yang X, Liu Y, Xiong C, Ruan J. A novel compound RY10-4 downregulates P-glycoprotein expression and reverses multidrug-resistant phenotype in human breast cancer MCF-7/ADR cells. Biomed Pharmacother 2014; 68:1049-56. [DOI: 10.1016/j.biopha.2014.10.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2014] [Accepted: 10/01/2014] [Indexed: 12/14/2022] Open
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Jakobsen Falk I, Fyrberg A, Paul E, Nahi H, Hermanson M, Rosenquist R, Höglund M, Palmqvist L, Stockelberg D, Wei Y, Gréen H, Lotfi K. Impact of ABCB1 single nucleotide polymorphisms 1236C>T and 2677G>T on overall survival in FLT3 wild-type de novo AML patients with normal karyotype. Br J Haematol 2014; 167:671-80. [PMID: 25155901 DOI: 10.1111/bjh.13097] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2014] [Accepted: 07/02/2014] [Indexed: 01/11/2023]
Abstract
Drug resistance is a clinically relevant problem in the treatment of acute myeloid leukaemia (AML). We have previously reported a relationship between single nucleotide polymorphisms (SNPs) of ABCB1, encoding the multi-drug transporter P-glycoprotein, and overall survival (OS) in normal karyotype (NK)-AML. Here we extended this material, enabling subgroup analysis based on FLT3 and NPM1 status, to further elucidate the influence of ABCB1 SNPs. De novo NK-AML patients (n = 201) were analysed for 1199G>A, 1236C>T, 2677G>T/A and 3435C>T, and correlations to outcome were investigated. FLT3 wild-type 1236C/C patients have significantly shorter OS compared to patients carrying the variant allele; medians 20 vs. 49 months, respectively, P = 0·017. There was also an inferior outcome in FLT3 wild-type 2677G/G patients compared to patients carrying the variant allele, median OS 20 vs. 35 months, respectively, P = 0·039. This was confirmed in Cox regression analysis. Our results indicate that ABCB1 1236C>T and 2677G>T may be used as prognostic markers to distinguish relatively high risk patients in the intermediate risk FLT3 wild-type group, which may contribute to future individualizing of treatment strategies.
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Affiliation(s)
- Ingrid Jakobsen Falk
- Clinical Pharmacology, Division of Drug Research, Department of Medical and Health Sciences, Faculty of Health Sciences, Linköping University, Linköping, Sweden
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Establishment of Optimized MDCK Cell Lines for Reliable Efflux Transport Studies. J Pharm Sci 2014; 103:1298-304. [DOI: 10.1002/jps.23901] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2013] [Revised: 01/16/2014] [Accepted: 01/22/2014] [Indexed: 11/07/2022]
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35
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Negi LM, Jaggi M, Talegaonkar S. Addressing the potential toxicities of the non-specific P-glycoprotein modulation by amalgamation with targeted approach in MDR tumors. Med Hypotheses 2014; 82:240-2. [DOI: 10.1016/j.mehy.2013.12.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2013] [Accepted: 12/12/2013] [Indexed: 11/30/2022]
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36
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Zinzi L, Capparelli E, Cantore M, Contino M, Leopoldo M, Colabufo NA. Small and Innovative Molecules as New Strategy to Revert MDR. Front Oncol 2014; 4:2. [PMID: 24478983 PMCID: PMC3896858 DOI: 10.3389/fonc.2014.00002] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2013] [Accepted: 01/03/2014] [Indexed: 12/26/2022] Open
Abstract
Multidrug resistance (MDR) is a complex phenomenon principally due to the overexpression of some transmembrane proteins belonging to the ATP binding cassette (ABC) transporter family. Among these transporters, P-glycoprotein (P-gp) is mostly involved in MDR and its overexpression is the major cause of cancer therapy failure. The classical approach used to overcome MDR is the co-administration of a P-gp inhibitor and the classic antineoplastic drugs, although the results were often unsatisfactory. Different classes of P-gp ligands have been developed and, among them, Tariquidar has been extensively studied both in vitro and in vivo. Although Tariquidar has been considered for several years as the lead compound for the development of P-gp inhibitors, recent studies demonstrated it to be a substrate and inhibitor, in a dose-dependent manner. Moreover, Tariquidar structure-activity relationship studies were difficult to carry out because of the complexity of the structure that does not allow establishing the role of each moiety for P-gp activity. For this purpose, SMALL molecules bearing different scaffolds such as tetralin, biphenyl, arylthiazole, furoxane, furazan have been developed. Many of these ligands have been tested both in in vitro assays and in in vivo PET studies. These preliminary evaluations lead to obtain a library of P-gp interacting agents useful to conjugate chemotherapeutic agents displaying reduced pharmacological activity and appropriate small molecules. These molecules could get over the limits due to the antineoplastic-P-gp inhibitor co-administration since pharmacokinetic and pharmacodynamic profiles are related to a dual innovative drug.
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Affiliation(s)
- Laura Zinzi
- Dipartimento di Farmacia - Scienze del Farmaco, Università degli Studi di Bari "A. Moro" , Bari , Italy
| | - Elena Capparelli
- Dipartimento di Farmacia - Scienze del Farmaco, Università degli Studi di Bari "A. Moro" , Bari , Italy
| | - Mariangela Cantore
- Dipartimento di Farmacia - Scienze del Farmaco, Università degli Studi di Bari "A. Moro" , Bari , Italy
| | - Marialessandra Contino
- Dipartimento di Farmacia - Scienze del Farmaco, Università degli Studi di Bari "A. Moro" , Bari , Italy
| | - Marcello Leopoldo
- Dipartimento di Farmacia - Scienze del Farmaco, Università degli Studi di Bari "A. Moro" , Bari , Italy
| | - Nicola Antonio Colabufo
- Dipartimento di Farmacia - Scienze del Farmaco, Università degli Studi di Bari "A. Moro" , Bari , Italy
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Tazawa Y, Usukubo I, Takada K, Takekuma Y, Shibayama Y, Sugawara M. Schedule-Dependent Cytotoxicity of Etoposide and Cyclophosphamide in P-Glycoprotein-Expressing Human Leukemic K-562 Cells. Biol Pharm Bull 2014; 37:1323-9. [DOI: 10.1248/bpb.b14-00207] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Yuki Tazawa
- Laboratory of Pharmacokinetics, Faculty of Pharmaceutical Sciences, Hokkaido University
| | - Ippei Usukubo
- Laboratory of Pharmacokinetics, Faculty of Pharmaceutical Sciences, Hokkaido University
| | - Kazuki Takada
- Laboratory of Pharmacokinetics, Faculty of Pharmaceutical Sciences, Hokkaido University
| | - Yoh Takekuma
- Laboratory of Pharmacokinetics, Faculty of Pharmaceutical Sciences, Hokkaido University
| | - Yoshihiro Shibayama
- Education Research Center for Clinical Pharmacy, Faculty of Pharmaceutical Sciences, Hokkaido University
| | - Mitsuru Sugawara
- Laboratory of Pharmacokinetics, Faculty of Pharmaceutical Sciences, Hokkaido University
- Education Research Center for Clinical Pharmacy, Faculty of Pharmaceutical Sciences, Hokkaido University
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38
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P-gp expression in brown trout erythrocytes: evidence of a detoxification mechanism in fish erythrocytes. Sci Rep 2013; 3:3422. [PMID: 24305632 PMCID: PMC3851883 DOI: 10.1038/srep03422] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2013] [Accepted: 11/15/2013] [Indexed: 01/10/2023] Open
Abstract
Blood is a site of physiological transport for a great variety of molecules, including xenobiotics. Blood cells in aquatic vertebrates, such as fish, are directly exposed to aquatic pollution. P-gp are ubiquitous “membrane detoxification proteins” implicated in the cellular efflux of various xenobiotics, such as polycyclic aromatic hydrocarbons (PAHs), which may be pollutants. The existence of this P-gp detoxification system inducible by benzo [a] pyrene (BaP), a highly cytotoxic PAH, was investigated in the nucleated erythrocytes of brown trout. Western blot analysis showed the expression of a 140-kDa P-gp in trout erythrocytes. Primary cultures of erythrocytes exposed to increasing concentrations of BaP showed no evidence of cell toxicity. Yet, in the same BaP-treated erythrocytes, P-gp expression increased significantly in a dose-dependent manner. Brown trout P-gp erythrocytes act as membrane defence mechanism against the pollutant, a property that can be exploited for future biomarker development to monitor water quality.
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Deng Z, Yan F, Jin Q, Li F, Wu J, Liu X, Zheng H. Reversal of multidrug resistance phenotype in human breast cancer cells using doxorubicin-liposome-microbubble complexes assisted by ultrasound. J Control Release 2013; 174:109-16. [PMID: 24287101 DOI: 10.1016/j.jconrel.2013.11.018] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2013] [Revised: 10/22/2013] [Accepted: 11/19/2013] [Indexed: 02/02/2023]
Abstract
The circumvention of multidrug resistance (MDR) plays a critically important role in the success of chemotherapy. The aim of this work is to investigate the effectiveness and possible mechanisms of the reversal of MDR phenotype in human breast cancer cells by using doxorubicin-liposome-microbubble complexes (DLMC) assisted by ultrasound (US). DLMC is fabricated through conjugating doxorubicin (DOX)-liposome (DL) to the surface of microbubbles (MBs) via the biotin-avidin linkage. The resulting drug-loaded complexes are then characterized and incubated with MCF-7/ADR human breast cancer cells and followed by US exposure. Our results show the more rapid cellular uptake, evident enhancement of nuclear accumulation and less drug efflux in the resistant cells treated by DLMC+US than those treated by DL, DL+verapamil under the same US treatment or DLMC without US. The enhanced drug delivery and cellular uptake also associated with the increase of cytotoxicity against MCF-7/ADR cells, lower MCF-7/ADR cell viability and higher apoptotic cells. Mechanism investigations further disclose a significant increase of reactive oxygen species (ROS) level, enhanced DNA damage and obvious reduction of P-glycoprotein expression in the resistant cells treated with DLMC+US compared with the control cases of cells treated by DLMC, DL+US or DL+verapamil+US. In conclusion, our study demonstrates that DLMC in combination with US may provide an effective delivery of drug to sensitize cells to circumvent MDR and to enhance the therapeutic index of the chemotherapy.
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Affiliation(s)
- Zhiting Deng
- Paul C. Lauterbur Research Center for Biomedical Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Fei Yan
- Paul C. Lauterbur Research Center for Biomedical Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.
| | - Qiaofeng Jin
- Paul C. Lauterbur Research Center for Biomedical Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Fei Li
- Paul C. Lauterbur Research Center for Biomedical Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Junru Wu
- Department of Physics, University of Vermont, Burlington, VT 05405, USA
| | - Xin Liu
- Paul C. Lauterbur Research Center for Biomedical Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Hairong Zheng
- Paul C. Lauterbur Research Center for Biomedical Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.
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40
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He L, Ji BS. In VitroandIn VivoStudy of CJY, an Isoflavone, on P-Glycoprotein Function in Rats. J Chemother 2013; 20:361-7. [DOI: 10.1179/joc.2008.20.3.361] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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41
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Characterization of human colorectal cancer MDR1/P-gp Fab antibody. ScientificWorldJournal 2013; 2013:716289. [PMID: 24348182 PMCID: PMC3856173 DOI: 10.1155/2013/716289] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2013] [Accepted: 09/01/2013] [Indexed: 01/14/2023] Open
Abstract
In this study, the peptide sized 21 kDa covering P-gp transmembrane region was first prepared for generating a novel mouse monoclonal antibody Fab fragment with biological activity against multiple drug resistance protein P-gp21 by phage display technology. Phage-displayed antibody library prepared from mice spleen tissues was selected against the recombinant protein P-gp21 with five rounds of panning. A number of clones expressing Fab bound to P-gp21, showing neutralized activity in vitro, were isolated and screened by enzyme-linked immunosorbent assay based on its recognition properties to P-gp21 and human colorectal cancer tissue homogenate, resulting in identification of an optimal recombinant Fab clone (Number 29). Further characterization by recloning number 29 into an expression vector showed significant induction of the Fab antibody in the clone number 29 by Isopropyl β-D-1-thiogalactopyranoside (IPTG). After purified by HiTrap Protein L, the specificity of the Fab antibody to P-gp21 was also confirmed. Not only was the targeted region of this monoclonal Fab antibody identified as a 16-peptide epitope (ALKDKKELEGSGKIAT) comprising residues 883–898 within the transmembrane (TM) domain of human P-gp, but also the binding ability with it was verified. The clinical implication of our results for development of personalized therapy of colorectal cancer will be further studied.
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Szaflarski W, Sujka-Kordowska P, Januchowski R, Wojtowicz K, Andrzejewska M, Nowicki M, Zabel M. Nuclear localization of P-glycoprotein is responsible for protection of the nucleus from doxorubicin in the resistant LoVo cell line. Biomed Pharmacother 2013; 67:497-502. [DOI: 10.1016/j.biopha.2013.03.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2013] [Accepted: 03/10/2013] [Indexed: 10/27/2022] Open
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43
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Ma X, Zhou J, Zhang CX, Li XY, Li N, Ju RJ, Shi JF, Sun MG, Zhao WY, Mu LM, Yan Y, Lu WL. Modulation of drug-resistant membrane and apoptosis proteins of breast cancer stem cells by targeting berberine liposomes. Biomaterials 2013; 34:4452-65. [PMID: 23518403 DOI: 10.1016/j.biomaterials.2013.02.066] [Citation(s) in RCA: 96] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2013] [Accepted: 02/24/2013] [Indexed: 02/06/2023]
Abstract
The recurrence of breast cancer is associated with drug-resistance of cancer stem cells (CSCs), while overexpression of cell membrane ATP-binding cassette (ABC) transporters and resistance of mitochondrial apoptosis-related proteins are responsible for the drug-resistance of CSCs. The targeting berberine liposomes were developed to modulate the resistant membrane and mitochondrial proteins of breast CSCs for the treatment and prevention of breast cancer relapse. Evaluations were performed on human breast CSCs and CSC xenografts in nude mice. The targeting berberine liposomes were shown to cross the CSC membrane, inhibit ABC transporters (ABCC1, ABCC2, ABCC3, ABCG2) and selectively accumulate in the mitochondria. Furthermore, the pro-apoptotic protein Bax was activated while the anti-apoptotic protein Bcl-2 was inhibited resulting in opening of the mitochondrial permeability transition pores, release of cytochrome c, and activation of caspase-9/caspase-3 enzymes. Significant efficacy of the administrations in mice was observed, indicating that the targeting berberine liposomes are a potential therapy for the treatment and prevention of breast cancer relapse arising from CSCs.
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Affiliation(s)
- Xu Ma
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
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Chiang NJ, Lin CI, Liou JP, Kuo CC, Chang CY, Chen LT, Chang JY. A novel synthetic microtubule inhibitor, MPT0B214 exhibits antitumor activity in human tumor cells through mitochondria-dependent intrinsic pathway. PLoS One 2013; 8:e58953. [PMID: 23554962 PMCID: PMC3595215 DOI: 10.1371/journal.pone.0058953] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2012] [Accepted: 02/08/2013] [Indexed: 12/20/2022] Open
Abstract
Agents that interfere with mitotic progression by disturbing microtubule dynamics are commonly used for cancer treatment. Previously, a series of aroylquinolone regioisomers as novel microtubule inhibitors were discovered. One of these new compounds, MPT0B214 inhibited tubulin polymerization through strongly binding to the tubulin’s colchicine-binding site and had cytotoxic activity in a variety of human tumor cell lines. After treatment with MPT0B214, KB cells were arrested in the G2-M phase before cell death occurred, which were associated with upregulation of cyclin B1, dephosphorylation of Cdc2, phosphorylation of Cdc25C and elevated expression of the mitotic marker MPM-2. Furthermore, the compound induced apoptotic cell death through mitochondria/caspase 9-dependent pathway. Notably, several KB-derived multidrug-resistant cancer cell lines were also sensitive to MPT0B214 treatment. These findings showed that MPT0B214 is a potential compound in the treatment of various malignancies.
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Affiliation(s)
- Nai-Jung Chiang
- National Institute of Cancer Research, National Health Research Institutes, Tainan, Taiwan, ROC
- Division of Hematology/Oncology, Department of Internal Medicine, National Cheng Kung University Hospital, Tainan, Taiwan, ROC
| | - Ching-I Lin
- National Institute of Cancer Research, National Health Research Institutes, Tainan, Taiwan, ROC
- Division of Hematology/Oncology, Department of Internal Medicine, National Cheng Kung University Hospital, Tainan, Taiwan, ROC
- Division of Hematology/Oncology, Department of Internal Medicine, St. Martin De Porres Hospital, Chiayi, Taiwan, ROC
| | - Jing-Ping Liou
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan, ROC
| | - Ching-Chuan Kuo
- National Institute of Cancer Research, National Health Research Institutes, Tainan, Taiwan, ROC
| | - Chi-Yen Chang
- National Institute of Cancer Research, National Health Research Institutes, Tainan, Taiwan, ROC
| | - Li-Tzong Chen
- National Institute of Cancer Research, National Health Research Institutes, Tainan, Taiwan, ROC
- Division of Hematology/Oncology, Department of Internal Medicine, National Cheng Kung University Hospital, Tainan, Taiwan, ROC
| | - Jang-Yang Chang
- National Institute of Cancer Research, National Health Research Institutes, Tainan, Taiwan, ROC
- Division of Hematology/Oncology, Department of Internal Medicine, National Cheng Kung University Hospital, Tainan, Taiwan, ROC
- * E-mail:
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Abstract
The eye is a highly protected organ, and designing an effective therapy is often considered a challenging task. The anatomical and physiological barriers result in low ocular bioavailability of drugs. Due to these constraints, less than 5% of the administered dose is absorbed from the conventional ophthalmic dosage forms. Further, physicochemical properties such as lipophilicity, molecular weight and charge modulate the permeability of drug molecules. Vision-threatening diseases such as glaucoma, diabetic macular edema, cataract, wet and dry age-related macular degeneration, proliferative vitreoretinopathy, uveitis, and cytomegalovirus retinitis alter the pathophysiological and molecular mechanisms. Understanding these mechanisms may result in the development of novel treatment modalities. Recently, transporter/receptor targeted prodrug approach has generated significant interest in ocular drug delivery. These transporters and receptors are involved in the transport of essential nutrients, vitamins, and xenobiotics across biological membranes. Several influx transporters (peptides, amino acids, glucose, lactate and nucleosides/nucleobases) and receptors (folate and biotin) have been identified on conjunctiva, cornea, and retina. Structural and functional delineation of these transporters will enable more drugs targeting the posterior segment to be successfully delivered topically. Prodrug derivatization targeting transporters and receptors expressed on ocular tissues has been the subject of intense research. Several prodrugs have been designed to target these transporters and enhance the absorption of poorly permeating parent drug. Moreover, this approach might be used in gene delivery to modify cellular function and membrane receptors. This review provides comprehensive information on ocular drug delivery, with special emphasis on the use of transporters and receptors to improve drug bioavailability.
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He D, Zhao XQ, Chen XG, Fang Y, Singh S, Talele TT, Qiu HJ, Liang YJ, Wang XK, Zhang GQ, Chen ZS, Fu LW. BIRB796, the inhibitor of p38 mitogen-activated protein kinase, enhances the efficacy of chemotherapeutic agents in ABCB1 overexpression cells. PLoS One 2013; 8:e54181. [PMID: 23349819 PMCID: PMC3548808 DOI: 10.1371/journal.pone.0054181] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2012] [Accepted: 12/07/2012] [Indexed: 01/07/2023] Open
Abstract
ATP-binding-cassette family membrane proteins play an important role in multidrug resistance. In this study, we investigated BIRB796, an orally active inhibitor of p38 mitogen-activated protein kinase, reversed MDR induced by ABCB1, ABCG2 and ABCC1. Our results showed that BIRB796 could reverse ABCB1-mediated MDR in both the drug selected and transfected ABCB1-overexpressing cell models, but did not enhance the efficacy of substrate-chemotherapeutical agents in ABCC1 or ABCG2 overexpression cells and their parental sensitive cells. Furthermore, BIRB796 increased the intracellular accumulation of the ABCB1 substrates, such as rhodamine 123 and doxorubicin. Moreover, BIRB796 bidirectionally mediated the ATPase activity of ABCB1, stimulating at low concentration, inhibiting at high concentration. However, BIRB796 did not alter the expression of ABCB1 both at protein and mRNA level. The down-regulation of p38 by siRNA neither affected the expression of ABCB1 nor the cytotoxic effect of paclitaxel on KBV200. The binding model of BIRB796 within the large cavity of the transmembrane region of ABCB1 may form the basis for future lead optimization studies. Importantly, BIRB796 also enhanced the effect of paclitaxel on the inhibition of growth of the ABCB1-overexpressing KBV200 cell xenografts in nude mice. Overall, we conclude that BIRB796 reverses ABCB1-mediated MDR by directly inhibiting its transport function. These findings may be useful for cancer combinational therapy with BIRB796 in the clinic.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily B
- ATP Binding Cassette Transporter, Subfamily B, Member 1/genetics
- ATP Binding Cassette Transporter, Subfamily B, Member 1/metabolism
- Animals
- Antineoplastic Agents, Phytogenic/pharmacology
- Blotting, Western
- Cell Line, Tumor
- Cell Survival/drug effects
- Cell Survival/genetics
- Drug Resistance, Multiple/drug effects
- Drug Resistance, Multiple/genetics
- Drug Resistance, Neoplasm/drug effects
- Drug Resistance, Neoplasm/genetics
- Drug Synergism
- Gene Expression Regulation, Neoplastic
- HEK293 Cells
- HL-60 Cells
- Humans
- MCF-7 Cells
- Mice
- Mice, Inbred BALB C
- Mice, Nude
- Naphthalenes/pharmacology
- Neoplasms/drug therapy
- Neoplasms/genetics
- Neoplasms/pathology
- Paclitaxel/pharmacology
- Protein Kinase Inhibitors/pharmacology
- Pyrazoles/pharmacology
- RNA Interference
- Reverse Transcriptase Polymerase Chain Reaction
- Xenograft Model Antitumor Assays
- p38 Mitogen-Activated Protein Kinases/antagonists & inhibitors
- p38 Mitogen-Activated Protein Kinases/genetics
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Affiliation(s)
- Dan He
- Department of Thoracic Surgery, Affiliated Tumor Hospital, Xinjiang Medical University, Urumuqi, China
| | - Xiao-qin Zhao
- State Key Laboratory of Oncology in Southern China, Cancer Center, Sun Yat-Sen University, Guangzhou, China
| | - Xing-gui Chen
- State Key Laboratory of Oncology in Southern China, Cancer Center, Sun Yat-Sen University, Guangzhou, China
| | - Yi Fang
- State Key Laboratory of Oncology in Southern China, Cancer Center, Sun Yat-Sen University, Guangzhou, China
| | - Satyakam Singh
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, New York, United States of America
| | - Tanaji T. Talele
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, New York, United States of America
| | - Hui-juan Qiu
- State Key Laboratory of Oncology in Southern China, Cancer Center, Sun Yat-Sen University, Guangzhou, China
| | - Yong-ju Liang
- State Key Laboratory of Oncology in Southern China, Cancer Center, Sun Yat-Sen University, Guangzhou, China
| | - Xiao-kun Wang
- State Key Laboratory of Oncology in Southern China, Cancer Center, Sun Yat-Sen University, Guangzhou, China
| | - Guo-qing Zhang
- Department of Thoracic Surgery, Affiliated Tumor Hospital, Xinjiang Medical University, Urumuqi, China
- * E-mail: (LF); (GZ)
| | - Zhe-sheng Chen
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, New York, United States of America
| | - Li-wu Fu
- State Key Laboratory of Oncology in Southern China, Cancer Center, Sun Yat-Sen University, Guangzhou, China
- * E-mail: (LF); (GZ)
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Kim NH, Hwang YH, Im KS, Kim JH, Chon SK, Kim HY, Sur JH. P-glycoprotein expression in canine mammary gland tumours related with myoepithelial cells. Res Vet Sci 2012; 93:1346-52. [DOI: 10.1016/j.rvsc.2012.04.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2012] [Accepted: 04/08/2012] [Indexed: 11/28/2022]
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Germann UA, Chambers TC. Molecular analysis of the multidrug transporter, P-glycoprotein. Cytotechnology 2012; 27:31-60. [PMID: 19002782 DOI: 10.1023/a:1008023629269] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Inherent or acquired resistance of tumor cells to cytotoxic drugs represents a major limitation to the successful chemotherapeutic treatment of cancer. During the past three decades dramatic progress has been made in the understanding of the molecular basis of this phenomenon. Analyses of drug-selected tumor cells which exhibit simultaneous resistance to structurally unrelated anti-cancer drugs have led to the discovery of the human MDR1 gene product, P-glycoprotein, as one of the mechanisms responsible for multidrug resistance. Overexpression of this 170 kDa N-glycosylated plasma membrane protein in mammalian cells has been associated with ATP-dependent reduced drug accumulation, suggesting that P-glycoprotein may act as an energy-dependent drug efflux pump. P-glycoprotein consists of two highly homologous halves each of which contains a transmembrane domain and an ATP binding fold. This overall architecture is characteristic for members of the ATP-binding cassette or ABC superfamily of transporters. Cell biological, molecular genetic and biochemical approaches have been used for structure-function studies of P-glycoprotein and analysis of its mechanism of action. This review summarizes the current status of knowledge on the domain organization, topology and higher order structure of P-glycoprotein, the location of drug- and ATP binding sites within P-glycoprotein, its ATPase and drug transport activities, its possible functions as an ion channel, ATP channel and lipid transporter, its potential role in cholesterol biosynthesis, and the effects of phosphorylation on P-glycoprotein activity.
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Affiliation(s)
- U A Germann
- Vertex Pharmaceuticals Incorporated, 130 Waverly Street, Cambridge, MA, 02139-4242, U.S.A.,
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Cellular delivery of doxorubicin via pH-controlled hydrazone linkage using multifunctional nano vehicle based on poly(β-l-malic acid). Int J Mol Sci 2012; 13:11681-11693. [PMID: 23109877 PMCID: PMC3472769 DOI: 10.3390/ijms130911681] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2012] [Revised: 08/17/2012] [Accepted: 09/07/2012] [Indexed: 11/25/2022] Open
Abstract
Doxorubicin (DOX) is currently used in cancer chemotherapy to treat many tumors and shows improved delivery, reduced toxicity and higher treatment efficacy when being part of nanoscale delivery systems. However, a major drawback remains its toxicity to healthy tissue and the development of multi-drug resistance during prolonged treatment. This is why in our work we aimed to improve DOX delivery and reduce the toxicity by chemical conjugation with a new nanoplatform based on polymalic acid. For delivery into recipient cancer cells, DOX was conjugated via pH-sensitive hydrazone linkage along with polyethylene glycol (PEG) to a biodegradable, non-toxic and non-immunogenic nanoconjugate platform: poly(β-l-malic acid) (PMLA). DOX-nanoconjugates were found stable under physiological conditions and shown to successfully inhibit in vitro cancer cell growth of several invasive breast carcinoma cell lines such as MDA-MB-231 and MDA-MB- 468 and of primary glioma cell lines such as U87MG and U251.
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MacKay CS, Mattoon JS, Roberts GD, Tucker RL, Morimoto TR, Mealey KL. Evaluation of the biliary and brain distribution of technetium Tc 99m sestamibi in healthy dogs with the ABCB1 wildtype genotype before and after treatment with spinosad. Am J Vet Res 2012; 73:814-20. [DOI: 10.2460/ajvr.73.6.814] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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