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Volpe DA. Knockout Transporter Cell Lines to Assess Substrate Potential Towards Efflux Transporters. AAPS J 2024; 26:79. [PMID: 38981917 DOI: 10.1208/s12248-024-00950-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Accepted: 06/19/2024] [Indexed: 07/11/2024] Open
Abstract
P-glycoprotein (P-gp), breast cancer resistance protein (BCRP) and multidrug resistance transporter 2 (MRP2) are efflux transporters involved in the absorption, excretion, and distribution of drugs. Bidirectional cell assays are recognized models for evaluating the potential of new drugs as substrates or inhibitors of efflux transporters. However, the assays are complicated by a lack of selective substrates and/or inhibitors, as well simultaneous expression of several efflux transporters in cell lines used in efflux models. This project aims to evaluate an in vitro efflux cell assay employing model substrates and inhibitors of P-gp, BCRP and MRP2 with knockout (KO) cell lines. The efflux ratios (ER) of P-gp (digoxin, paclitaxel), BCRP (prazosin, rosuvastatin), MRP2 (etoposide, olmesartan) and mixed (methotrexate, mitoxantrone) substrates were determined in wild-type C2BBe1 and KO cells. For digoxin and paclitaxel, the ER decreased to less than 2 in the cell lines lacking P-gp expression. The ER decreased to less than 3 for prazosin and less than 2 for rosuvastatin in the cell lines lacking BCRP expression. For etoposide and olmesartan, the ER decreased to less than 2 in the cell lines lacking MRP2 expression. The ER of methotrexate and mitoxantrone decreased in single- and double-KO cells without BCRP and MRP2 expression. These results show that KO cell lines have the potential to better interpret complex drug-transporter interactions without depending upon multi-targeted inhibitors or overlapping substrates. For drugs that are substrates of multiple transporters, the single- and double-KO cells may be used to assess their affinities for the different transporters.
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Affiliation(s)
- Donna A Volpe
- Division of Applied Regulatory Science, Center for Drug Evaluation and Research, Food and Drug Administration, 10903 New Hampshire Ave., Silver Spring, Maryland, 20993-0002, USA.
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2
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Cheng F, Wang H, Li W, Zhang Y. Clinical pharmacokinetics and drug-drug interactions of tyrosine-kinase inhibitors in chronic myeloid leukemia: A clinical perspective. Crit Rev Oncol Hematol 2024; 195:104258. [PMID: 38307392 DOI: 10.1016/j.critrevonc.2024.104258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 12/22/2023] [Accepted: 01/02/2024] [Indexed: 02/04/2024] Open
Abstract
In the past decade, numerous tyrosine kinase inhibitors (TKIs) have been introduced in the treatment of chronic myeloid leukemia. Given the significant interpatient variability in TKIs pharmacokinetics, potential drug-drug interactions (DDIs) can greatly impact patient therapy. This review aims to discuss the pharmacokinetic characteristics of TKIs, specifically focusing on their absorption, distribution, metabolism, and excretion profiles. Additionally, it provides a comprehensive overview of the utilization of TKIs in special populations such as the elderly, children, and patients with liver or kidney dysfunction. We also highlight known or suspected DDIs between TKIs and other drugs, highlighting various clinically relevant interactions. Moreover, specific recommendations are provided to guide haemato-oncologists, oncologists, and clinical pharmacists in managing DDIs during TKI treatment in daily clinical practice.
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Affiliation(s)
- Fang Cheng
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, Wuhan 430022, China
| | - Hongxiang Wang
- Department of Hematology, the Central Hospital of Wuhan, 430014, China
| | - Weiming Li
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
| | - Yu Zhang
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, Wuhan 430022, China.
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3
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Zhang W, Oh JH, Zhang W, Rathi S, Le J, Talele S, Sarkaria JN, Elmquist WF. How Much is Enough? Impact of Efflux Transporters on Drug delivery Leading to Efficacy in the Treatment of Brain Tumors. Pharm Res 2023; 40:2731-2746. [PMID: 37589827 PMCID: PMC10841221 DOI: 10.1007/s11095-023-03574-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 07/19/2023] [Indexed: 08/18/2023]
Abstract
The lack of effective chemotherapeutic agents for the treatment of brain tumors is a serious unmet medical need. This can be attributed, in part, to inadequate delivery through the blood-brain barrier (BBB) and the tumor-cell barrier, both of which have active efflux transporters that can restrict the transport of many potentially effective agents for both primary and metastatic brain tumors. This review briefly summarizes the components and function of the normal BBB with respect to drug penetration into the brain and the alterations in the BBB due to brain tumor that could influence drug delivery. Depending on what is rate-limiting a compound's distribution, the limited permeability across the BBB and the subsequent delivery into the tumor cell can be greatly influenced by efflux transporters and these are discussed in some detail. Given these complexities, it is necessary to quantify the extent of brain distribution of the active (unbound) drug to compare across compounds and to inform potential for use against brain tumors. In this regard, the metric, Kp,uu, a brain-to-plasma unbound partition coefficient, is examined and its current use is discussed. However, the extent of active drug delivery is not the only determinant of effective therapy. In addition to Kp,uu, drug potency is an important parameter that should be considered alongside drug delivery in drug discovery and development processes. In other words, to answer the question - How much is enough? - one must consider how much can be delivered with how much needs to be delivered.
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Affiliation(s)
- Wenjuan Zhang
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, MN, USA
| | - Ju-Hee Oh
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, MN, USA
| | - Wenqiu Zhang
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, MN, USA
| | - Sneha Rathi
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, MN, USA
| | - Jiayan Le
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, MN, USA
| | - Surabhi Talele
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, MN, USA
| | - Jann N Sarkaria
- Department of Radiation Oncology, Mayo Clinic, Rochester, MN, USA
| | - William F Elmquist
- Brain Barriers Research Center, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, MN, USA.
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4
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Sesti F, Bortolami A, Kathera-Ibarra EF. Non-conducting functions of potassium channels in cancer and neurological disease. CURRENT TOPICS IN MEMBRANES 2023; 92:199-231. [PMID: 38007268 DOI: 10.1016/bs.ctm.2023.09.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2023]
Abstract
Cancer and neurodegenerative disease, albeit fundamental differences, share some common pathogenic mechanisms. Accordingly, both conditions are associated with aberrant cell proliferation and migration. Here, we review the causative role played by potassium (K+) channels, a fundamental class of proteins, in cancer and neurodegenerative disease. The concept that emerges from the review of the literature is that K+ channels can promote the development and progression of cancerous and neurodegenerative pathologies by dysregulating cell proliferation and migration. K+ channels appear to control these cellular functions in ways that not necessarily depend on their conducting properties and that involve the ability to directly or indirectly engage growth and survival signaling pathways. As cancer and neurodegenerative disease represent global health concerns, identifying commonalities may help understand the molecular basis for those devastating conditions and may facilitate the design of new drugs or the repurposing of existing drugs.
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Affiliation(s)
- Federico Sesti
- Department of Neuroscience and Cell Biology, Robert Wood Johnson Medical School, Rutgers University, Hoes Ln. West, Piscataway, NJ, United States.
| | - Alessandro Bortolami
- Department of Neuroscience and Cell Biology, Robert Wood Johnson Medical School, Rutgers University, Hoes Ln. West, Piscataway, NJ, United States
| | - Elena Forzisi Kathera-Ibarra
- Department of Neuroscience and Cell Biology, Robert Wood Johnson Medical School, Rutgers University, Hoes Ln. West, Piscataway, NJ, United States
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5
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Schulz JA, Hartz AMS, Bauer B. ABCB1 and ABCG2 Regulation at the Blood-Brain Barrier: Potential New Targets to Improve Brain Drug Delivery. Pharmacol Rev 2023; 75:815-853. [PMID: 36973040 PMCID: PMC10441638 DOI: 10.1124/pharmrev.120.000025] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 03/10/2023] [Accepted: 03/10/2023] [Indexed: 03/29/2023] Open
Abstract
The drug efflux transporters ABCB1 and ABCG2 at the blood-brain barrier limit the delivery of drugs into the brain. Strategies to overcome ABCB1/ABCG2 have been largely unsuccessful, which poses a tremendous clinical problem to successfully treat central nervous system (CNS) diseases. Understanding basic transporter biology, including intracellular regulation mechanisms that control these transporters, is critical to solving this clinical problem.In this comprehensive review, we summarize current knowledge on signaling pathways that regulate ABCB1/ABCG2 at the blood-brain barrier. In Section I, we give a historical overview on blood-brain barrier research and introduce the role that ABCB1 and ABCG2 play in this context. In Section II, we summarize the most important strategies that have been tested to overcome the ABCB1/ABCG2 efflux system at the blood-brain barrier. In Section III, the main component of this review, we provide detailed information on the signaling pathways that have been identified to control ABCB1/ABCG2 at the blood-brain barrier and their potential clinical relevance. This is followed by Section IV, where we explain the clinical implications of ABCB1/ABCG2 regulation in the context of CNS disease. Lastly, in Section V, we conclude by highlighting examples of how transporter regulation could be targeted for therapeutic purposes in the clinic. SIGNIFICANCE STATEMENT: The ABCB1/ABCG2 drug efflux system at the blood-brain barrier poses a significant problem to successful drug delivery to the brain. The article reviews signaling pathways that regulate blood-brain barrier ABCB1/ABCG2 and could potentially be targeted for therapeutic purposes.
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Affiliation(s)
- Julia A Schulz
- Department of Pharmaceutical Sciences, College of Pharmacy (J.A.S., B.B.), Sanders-Brown Center on Aging and Department of Pharmacology and Nutritional Sciences, College of Medicine (A.M.S.H.), University of Kentucky, Lexington, Kentucky
| | - Anika M S Hartz
- Department of Pharmaceutical Sciences, College of Pharmacy (J.A.S., B.B.), Sanders-Brown Center on Aging and Department of Pharmacology and Nutritional Sciences, College of Medicine (A.M.S.H.), University of Kentucky, Lexington, Kentucky
| | - Björn Bauer
- Department of Pharmaceutical Sciences, College of Pharmacy (J.A.S., B.B.), Sanders-Brown Center on Aging and Department of Pharmacology and Nutritional Sciences, College of Medicine (A.M.S.H.), University of Kentucky, Lexington, Kentucky
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6
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Eng ME, Imperio GE, Bloise E, Matthews SG. ATP-binding cassette (ABC) drug transporters in the developing blood-brain barrier: role in fetal brain protection. Cell Mol Life Sci 2022; 79:415. [PMID: 35821142 PMCID: PMC11071850 DOI: 10.1007/s00018-022-04432-w] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 05/27/2022] [Accepted: 06/15/2022] [Indexed: 12/19/2022]
Abstract
The blood-brain barrier (BBB) provides essential neuroprotection from environmental toxins and xenobiotics, through high expression of drug efflux transporters in endothelial cells of the cerebral capillaries. However, xenobiotic exposure, stress, and inflammatory stimuli have the potential to disrupt BBB permeability in fetal and post-natal life. Understanding the role and ability of the BBB in protecting the developing brain, particularly with respect to drug/toxin transport, is key to promoting long-term brain health. Drug transporters, particularly P-gp and BCRP are expressed in early gestation at the developing BBB and have a crucial role in developmental homeostasis and fetal brain protection. We have highlighted several factors that modulate drug transporters at the developing BBB, including synthetic glucocorticoid (sGC), cytokines, maternal infection, and growth factors. Some factors have the potential to increase expression and function of drug transporters and increase brain protection (e.g., sGC, transforming growth factor [TGF]-β). However, others inhibit drug transporters expression and function at the BBB, increasing brain exposure to xenobiotics (e.g., tumor necrosis factor [TNF], interleukin [IL]-6), negatively impacting brain development. This has implications for pregnant women and neonates, who represent a vulnerable population and may be exposed to drugs and environmental toxins, many of which are P-gp and BCRP substrates. Thus, alterations in regulated transport across the developing BBB may induce long-term changes in brain health and compromise pregnancy outcome. Furthermore, a large portion of neonatal adverse drug reactions are attributed to agents that target or access the nervous system, such as stimulants (e.g., caffeine), anesthetics (e.g., midazolam), analgesics (e.g., morphine) and antiretrovirals (e.g., Zidovudine); thus, understanding brain protection is key for the development of strategies to protect the fetal and neonatal brain.
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Affiliation(s)
- Margaret E Eng
- Department of Physiology, Temerty Faculty of Medicine, University of Toronto, Medical Sciences Bldg. Rm. 3207. 1 King's College Circle, Toronto, ON, M5S 1A8, Canada
| | | | - Enrrico Bloise
- Department of Physiology, Temerty Faculty of Medicine, University of Toronto, Medical Sciences Bldg. Rm. 3207. 1 King's College Circle, Toronto, ON, M5S 1A8, Canada
- Lunenfeld-Tanenbaum Research Institute, Sinai Health, Toronto, Canada
- Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Stephen G Matthews
- Department of Physiology, Temerty Faculty of Medicine, University of Toronto, Medical Sciences Bldg. Rm. 3207. 1 King's College Circle, Toronto, ON, M5S 1A8, Canada.
- Lunenfeld-Tanenbaum Research Institute, Sinai Health, Toronto, Canada.
- Department of Obstetrics and Gynecology, Temerty Faculty of Medicine, University of Toronto, Toronto, Canada.
- Department of Medicine, Temerty Faculty of Medicine, University of Toronto, Toronto, Canada.
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7
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Song YK, Kim MJ, Kim MS, Lee JH, Chung SJ, Song JS, Chae YJ, Lee KR. Role of the Efflux Transporters Abcb1 and Abcg2 in the Brain Distribution of Olaparib in Mice. Eur J Pharm Sci 2022; 173:106177. [PMID: 35341895 DOI: 10.1016/j.ejps.2022.106177] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 03/18/2022] [Accepted: 03/23/2022] [Indexed: 11/18/2022]
Abstract
Olaparib is a first-in-class poly (ADP-ribose) polymerase oral inhibitor used to treat various tumors. In this study, we clarified the roles of ABCB1/Abcb1 and ABCG2/Abcg2 transporters in restricting olaparib distribution to the brain. Olaparib was efficiently transported by human ABCG2, human ABCB1, and mouse Abcg2 in vitro. In the in vivo disposition study of olaparib using single or combination knockout mice, the systemic exposure of olaparib did not differ significantly between the strains over an 8-h period. However, the brain-to-plasma unbound concentration ratio of olaparib increased 5.6- and 8.1-fold in Abcb1a/1b and Abcb1a/1b;Abcg2 knockout mice, respectively, compared with wild-type mice. The Abcg2 single knockout mice exhibited a similar brain-to-plasma unbound concentration ratio to wild-type mice. Moreover, the brain distribution of olaparib could be modulated by the ABCB1/ABCG2 dual inhibitor elacridar to reach a similar degree of inhibition to Abcb1a/1b-/-. These findings suggest that olaparib is actively transported by both human and mouse ABCB1/Abcb1 and ABCG2/Abcg2; while Abcb1a/1b is a major determinant of olaparib brain penetration in mice, Abcg2 is likely to be a minor contributor. Concomitant treatment with temozolomide slightly increased the brain distribution of olaparib in mouse, but the clinical impact of the interaction was expected to be limited.
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Affiliation(s)
- Yoo-Kyung Song
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology, Ochang 28116, Republic of Korea
| | - Min-Ju Kim
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology, Ochang 28116, Republic of Korea
| | - Min-Soo Kim
- College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Ji Hun Lee
- Convergence Drug Research Center, Korea Research Institute of Chemical Technology, Daejeon 34114, Republic of Korea
| | - Suk-Jae Chung
- College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea; Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Jin Sook Song
- Convergence Drug Research Center, Korea Research Institute of Chemical Technology, Daejeon 34114, Republic of Korea
| | - Yoon-Jee Chae
- College of Pharmacy, Woosuk University, Wanju-Gun 55338, Republic of Korea.
| | - Kyeong-Ryoon Lee
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology, Ochang 28116, Republic of Korea; Department of Bioscience, University of Science and Technology, Daejeon 34113, Republic of Korea.
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8
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Eneberg E, Jones C, Jensen T, Langthaler K, Bundgaard C. Practical Application of Rodent Transporter Knockout Models to assess Brain Penetration in Drug Discovery. Drug Metab Lett 2022; 15:12-21. [PMID: 35196975 DOI: 10.2174/1872312815666220222091032] [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: 08/11/2021] [Revised: 12/02/2021] [Accepted: 01/03/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND & OBJECTIVE Compound X is a drug candidate for the treatment of neurodegenerative diseases. Its brain distribution was evaluated as part of the lead identification and optimization of early drug discovery. METHODS The brain distribution of compound X was studied in genetic transporter knockout rodent models, in vivo models with a chemical inhibitor and in vitro transporter cell systems. RESULTS Compound X was found to be a substrate for human Breast Cancer-Resistance Protein (BCRP) in vitro (efflux ratio 8.1) and rodent Bcrp in vivo (Kp,uuKO/Kp,uuWT = 0.15/0.057 = 2.7, p < 0.05) but not a substrate for human P-glycoprotein (P-gp) in vitro (efflux ratio 1.0) nor rodent P-gp in vivo (Kp,uuKO/Kp,uuWT = 0.056/0.051 = 1.1, p > 0.05). When both transporters were knocked out in vivo, Kp,uu increased to 0.51 ± 0.02. Similar patterns observed across compounds with related chemistry corroborated structure-activity relationship. CONCLUSION While in vitro assays showed compound X to be a substrate for human BCRP and not P-gp, in vivo studies indicated a synergistic effect between rodent efflux transporters. However, this only accounted for ~50% of restricted BBB-transport, suggesting involvement from other efflux transporters. Given Kp,uu is a key criterion for assessing technical quality of CNS candidates before progression into clinical development, it is important to identify relevant screening assays for a better understanding of low Kp,uu and brain distribution in pre-clinical models for translation to humans.
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Affiliation(s)
- Elin Eneberg
- Translational DMPK, H. Lundbeck A/S, Valby, 2500 Copenhagen, Denmark
| | - Christopher Jones
- Translational DMPK, H. Lundbeck A/S, Valby, 2500 Copenhagen, Denmark
| | - Thomas Jensen
- Medicinal Chemistry, H. Lundbeck A/S, Valby, 2500 Copenhagen, Denmark
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9
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He S, Bian J, Shao Q, Zhang Y, Hao X, Luo X, Feng Y, Huang L. Therapeutic Drug Monitoring and Individualized Medicine of Dasatinib: Focus on Clinical Pharmacokinetics and Pharmacodynamics. Front Pharmacol 2021; 12:797881. [PMID: 34938198 PMCID: PMC8685414 DOI: 10.3389/fphar.2021.797881] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 11/11/2021] [Indexed: 11/13/2022] Open
Abstract
Dasatinib is an oral second-generation tyrosine kinase inhibitor known to be used widely in Philadelphia chromosome-positive (Ph+) chronic myeloid leukemia (CML) and Ph+ acute lymphoblastic leukemia (ALL). Notably, although a high pharmacokinetic variability in patients and an increased risk of pleural effusion are attendant, fixed dosing remains standard practice. Retrospective studies have suggested that dasatinib exposure may be associated with treatment response (efficacy/safety). Therapeutic drug monitoring (TDM) is gradually becoming a practical tool to achieve the goal of individualized medicine for patients receiving targeted drugs. With the help of TDM, these patients who maintain response while have minimum adverse events may achieve long-term survival. This review summaries current knowledge of the clinical pharmacokinetics variation, exposure-response relationships and analytical method for individualized dosing of dasatinib, in particular with respect to therapeutic drug monitoring. In addition, it highlights the emerging insights into several controversial issues in TDM of dasatinib, with the aim of presenting up-to-date evidence for clinical decision-making and insights for future studies.
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Affiliation(s)
- Shiyu He
- Department of Pharmacy, People’s Hospital of Peking University, Beijing, China
- Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Jialu Bian
- Department of Pharmacy, People’s Hospital of Peking University, Beijing, China
- Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Qianhang Shao
- Department of Pharmacy, People’s Hospital of Peking University, Beijing, China
| | - Ying Zhang
- Department of Pharmacy, People’s Hospital of Peking University, Beijing, China
| | - Xu Hao
- Department of Pharmacy, People’s Hospital of Peking University, Beijing, China
| | - Xingxian Luo
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
| | - Yufei Feng
- Department of Pharmacy, People’s Hospital of Peking University, Beijing, China
| | - Lin Huang
- Department of Pharmacy, People’s Hospital of Peking University, Beijing, China
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10
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Annu K, Yasuda K, Caufield WV, Freeman BB, Schuetz EG. Vitamin D levels do not cause vitamin-drug interactions with dexamethasone or dasatinib in mice. PLoS One 2021; 16:e0258579. [PMID: 34669728 PMCID: PMC8528301 DOI: 10.1371/journal.pone.0258579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 09/30/2021] [Indexed: 11/28/2022] Open
Abstract
Vitamin D3 (VD3) induces intestinal CYP3A that metabolizes orally administered anti-leukemic chemotherapeutic substrates dexamethasone (DEX) and dasatinib potentially causing a vitamin-drug interaction. To determine the impact of VD3 status on systemic exposure and efficacy of these chemotherapeutic agents, we used VD3 sufficient and deficient mice and performed pharmacokinetic and anti-leukemic efficacy studies. Female C57BL/6J and hCYP3A4 transgenic VD3 deficient mice had significantly lower duodenal (but not hepatic) mouse Cyp3a11 and hCYP3A4 expression compared to VD3 sufficient mice, while duodenal expression of Mdr1a, Bcrp and Mrp4 were significantly higher in deficient mice. When the effect of VD3 status on DEX systemic exposure was compared following a discontinuous oral DEX regimen, similar to that used to treat pediatric acute lymphoblastic leukemia patients, male VD3 deficient mice had significantly higher mean plasma DEX levels (31.7 nM) compared to sufficient mice (12.43 nM) at days 3.5 but not at any later timepoints. Following a single oral gavage of DEX, there was a statistically, but not practically, significant decrease in DEX systemic exposure in VD3 deficient vs. sufficient mice. While VD3 status had no effect on oral dasatinib's area under the plasma drug concentration-time curve, VD3 deficient male mice had significantly higher dasatinib plasma levels at t = 0.25 hr. Dexamethasone was unable to reverse the poorer survival of VD3 sufficient vs. deficient mice to BCR-ABL leukemia. In conclusion, although VD3 levels significantly altered intestinal mouse Cyp3a in female mice, DEX plasma exposure was only transiently different for orally administered DEX and dasatinib in male mice. Likewise, the small effect size of VD3 deficiency on single oral dose DEX clearance suggests that the clinical significance of VD3 levels on DEX systemic exposure are likely to be limited.
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Affiliation(s)
- Kavya Annu
- Pharmaceutical Sciences, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America
- Integrated Biomedical Sciences, University of Tennessee Health Science Center, Memphis, Tennessee, United States of America
| | - Kazuto Yasuda
- Pharmaceutical Sciences, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America
| | - William V. Caufield
- Preclinical Pharmacokinetic Shared Resource, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America
| | - Burgess B. Freeman
- Preclinical Pharmacokinetic Shared Resource, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America
| | - Erin G. Schuetz
- Pharmaceutical Sciences, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America
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11
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Kono Y, Kawahara I, Shinozaki K, Nomura I, Marutani H, Yamamoto A, Fujita T. Characterization of P-Glycoprotein Inhibitors for Evaluating the Effect of P-Glycoprotein on the Intestinal Absorption of Drugs. Pharmaceutics 2021; 13:pharmaceutics13030388. [PMID: 33804018 PMCID: PMC7999658 DOI: 10.3390/pharmaceutics13030388] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/04/2021] [Accepted: 03/05/2021] [Indexed: 12/12/2022] Open
Abstract
For developing oral drugs, it is necessary to predict the oral absorption of new chemical entities accurately. However, it is difficult because of the involvement of efflux transporters, including P-glycoprotein (P-gp), in their absorption process. In this study, we conducted a comparative analysis on the inhibitory activities of seven P-gp inhibitors (cyclosporin A, GF120918, LY335979, XR9576, WK-X-34, VX-710, and OC144-093) to evaluate the effect of P-gp on drug absorption. GF120918, LY335979, and XR9576 significantly decreased the basal-to-apical transport of paclitaxel, a P-gp substrate, across Caco-2 cell monolayers. GF120918 also inhibited the basal-to-apical transport of mitoxantrone, a breast cancer resistance protein (BCRP) substrate, in Caco-2 cells, whereas LY335979 hardly affected the mitoxantrone transport. In addition, the absorption rate of paclitaxel after oral administration in wild-type mice was significantly increased by pretreatment with LY335979, and it was similar to that in mdr1a/1b knockout mice. Moreover, the absorption rate of topotecan, a BCRP substrate, in wild-type mice pretreated with LY335979 was similar to that in mdr1a/1b knockout mice but significantly lower than that in bcrp knockout mice. These results indicate that LY335979 has a selective inhibitory activity for P-gp, and would be useful for evaluating the contribution of P-gp to drug absorption.
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Affiliation(s)
- Yusuke Kono
- Laboratory of Molecular Pharmacokinetics, Graduate School of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Noji-Higashi, Kusatsu 525-8577, Japan; (Y.K.); (H.M.)
| | - Iichiro Kawahara
- Department of Biopharmaceutics, Kyoto Pharmaceutical University, 5 Misasagi Nakauchi-cho, Yamashina, Kyoto 607-8412, Japan; (I.K.); (K.S.); (I.N.); (A.Y.)
| | - Kohei Shinozaki
- Department of Biopharmaceutics, Kyoto Pharmaceutical University, 5 Misasagi Nakauchi-cho, Yamashina, Kyoto 607-8412, Japan; (I.K.); (K.S.); (I.N.); (A.Y.)
| | - Ikuo Nomura
- Department of Biopharmaceutics, Kyoto Pharmaceutical University, 5 Misasagi Nakauchi-cho, Yamashina, Kyoto 607-8412, Japan; (I.K.); (K.S.); (I.N.); (A.Y.)
| | - Honoka Marutani
- Laboratory of Molecular Pharmacokinetics, Graduate School of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Noji-Higashi, Kusatsu 525-8577, Japan; (Y.K.); (H.M.)
| | - Akira Yamamoto
- Department of Biopharmaceutics, Kyoto Pharmaceutical University, 5 Misasagi Nakauchi-cho, Yamashina, Kyoto 607-8412, Japan; (I.K.); (K.S.); (I.N.); (A.Y.)
| | - Takuya Fujita
- Laboratory of Molecular Pharmacokinetics, Graduate School of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Noji-Higashi, Kusatsu 525-8577, Japan; (Y.K.); (H.M.)
- Correspondence: ; Tel.: +81-77-561-5974
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12
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Ravi K, Franson A, Homan MJ, Roberts H, Pai MP, Miklja Z, He M, Wen B, Benitez LL, Perissinotti AJ, Bixby DL, Koschmann C, Marini BL. Comparative pharmacokinetic analysis of the blood-brain barrier penetration of dasatinib and ponatinib in mice. Leuk Lymphoma 2021; 62:1990-1994. [PMID: 33682631 DOI: 10.1080/10428194.2021.1894647] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Karthik Ravi
- Department of Pediatrics, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Andrea Franson
- Department of Pediatrics, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Morgan J Homan
- University of Michigan College of Pharmacy, Ann Arbor, MI, USA
| | - Holly Roberts
- Department of Pediatrics, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Manjunath P Pai
- University of Michigan College of Pharmacy, Ann Arbor, MI, USA
| | | | - Miao He
- University of Michigan College of Pharmacy, Ann Arbor, MI, USA
| | - Bo Wen
- University of Michigan College of Pharmacy, Ann Arbor, MI, USA
| | - Lydia L Benitez
- University of Michigan College of Pharmacy, Ann Arbor, MI, USA
| | | | - Dale L Bixby
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Carl Koschmann
- Department of Pediatrics, University of Michigan Medical School, Ann Arbor, MI, USA
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13
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Khan M, Zheng T, Zhao Z, Arooj S, Liao G. Efficacy of BRAF Inhibitors in Combination With Stereotactic Radiosurgery for the Treatment of Melanoma Brain Metastases: A Systematic Review and Meta-Analysis. Front Oncol 2021; 10:586029. [PMID: 33692938 PMCID: PMC7937920 DOI: 10.3389/fonc.2020.586029] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 12/30/2020] [Indexed: 12/30/2022] Open
Abstract
Background BRAF inhibitors have improved the outcome for patients with BRAF mutant metastatic melanoma and have shown intracranial responses in melanoma brain metastases. Stereotactic radiosurgery (SRS) is being used as a local treatment for melanoma brain metastasis (MBM) with better local control and survival. We searched for studies comparing the combination of two treatments with SRS alone to detect any clinical evidence of synergism. Materials and Methods PubMed, EMBASE, Medline, and Cochrane library were searched until May 2020 for studies with desired comparative outcomes. Outcomes of interest that were obtained for meta-analysis included survival as the primary, and local control as the secondary outcome. Results A total of eight studies involving 976 patients with MBM were selected. Survival was significantly improved for patients receiving BRAF inhibitor plus SRS in comparison to SRS alone as assessed from the time of SRS induction (SRS survival: hazard ratio [HR] 0.67 [0.58–0.79], p <0.00001), from the time of brain metastasis diagnosis (BM survival: HR 0.65 [0.54, 0.78], p < 0.00001), or from the time of primary diagnosis (PD survival: HR 0.74 [0.57–0.95], p = 0.02). Dual therapy was also associated with improved local control, indicating an additive effect of the two treatments (HR 0.53 [0.31–0.93], p=0.03). Intracranial hemorrhage was higher in patients receiving BRAF inhibitors plus SRS than in those receiving SRS alone (OR, 3.16 [1.43–6.96], p = 0.004). Conclusions BRAF inhibitors in conjunction with SRS as local treatment appear to be efficacious. Local brain control and survival improved in patients with MBM receiving dual therapy. Safety assessment would need to be elucidated further as the incidence of intracranial hemorrhage was increased.
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Affiliation(s)
- Muhammad Khan
- Department of Oncology, Shenzhen People's Hospital, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China.,Department of Oncology, First affiliated Hospital of Anhui Medical University, Hefei, China
| | - Tao Zheng
- Department of Oncology, Shenzhen People's Hospital, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
| | - Zhihong Zhao
- Department of Nephrology, Shenzhen People's Hospital, Second Clinical Medicine Centre, Jinan University, Shenzhen, China
| | - Sumbal Arooj
- Department of Oncology, Shenzhen People's Hospital, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China.,Department of Biochemistry, University of Sialkot, Sialkot, Pakistan
| | - Guixiang Liao
- Department of Oncology, Shenzhen People's Hospital, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
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14
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Song Y, Hu N, Song X, Yang J. Hsa_Circ_0007841 Enhances Multiple Myeloma Chemotherapy Resistance Through Upregulating ABCG2. Technol Cancer Res Treat 2021; 19:1533033820928371. [PMID: 32552614 PMCID: PMC7307286 DOI: 10.1177/1533033820928371] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
The current researches have reported that circular RNA is an important regulatory
factor in the progression of various human disease. However, the function and
mechanism of most circular RNAs remain unknown in cancers including multiple
myeloma. Our study has confirmed that hsa_circ_0007841 is up regulated in U266
doxorubicin resistant cells (U266R) and 8226 doxorubicin resistant cells (8226R)
compared to U266 parent cells (U266P) and 8226 parent cells (8226P). Silence of
hsa_circ_0007841 in U266R and 8226R could reduce the half-maximal inhibitory
concentration which indicated reduction in chemoresistance. In doxorubicin
resistant cells, the messenger RNA and protein level of ATP-binding cassette
transporters G2 increased. Silence of hsa_circ_0007841 in drug resistant cells
could decrease both the messenger RNA and protein levels of ATP-binding cassette
transporters G2; reexpression of hsa_circ_0007841 could block the reduction.
However, overexpression of hsa_circ_0007841 could effectively upregulate the
ATP-binding cassette transporters G2 messenger RNA and protein level. Inhibition
of ATP-binding cassette transporters G2 could block hsa_circ_0007841
overexpression induced chemoresistance in U266P and 8226P cells. What’s more,
inhibition of ATP-binding cassette transporters G2 could reduce differences of
half-maximal inhibitory concentration between parent cell lines and
drug-resistant cell lines. Our data collectively suggest a new model in which
hsa_circ_0007841 promotes acquired chemotherapy resistance by upregulating
ATP-binding cassette transporters G2 providing a novel molecular basis of
chemotherapy in multiple myeloma cancer.
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Affiliation(s)
- Yan Song
- Department of Nephrology, The First People's Hospital of Jingmen, Hubei, China
| | - Ning Hu
- Department of Nephrology, The First People's Hospital of Jingmen, Hubei, China
| | - Xiaowei Song
- Department of Nephrology, The First People's Hospital of Jingmen, Hubei, China
| | - Juhong Yang
- Department of Nephrology, The First People's Hospital of Jingmen, Hubei, China
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15
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Honeywell RJ, Kathmann I, Giovannetti E, Tibaldi C, Smit EF, Rovithi MN, Verheul HM, Peters GJ. Epithelial Transfer of the Tyrosine Kinase Inhibitors Erlotinib, Gefitinib, Afatinib, Crizotinib, Sorafenib, Sunitinib, and Dasatinib: Implications for Clinical Resistance. Cancers (Basel) 2020; 12:cancers12113322. [PMID: 33182766 PMCID: PMC7696666 DOI: 10.3390/cancers12113322] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 11/07/2020] [Indexed: 12/19/2022] Open
Abstract
Simple Summary Tyrosine kinase inhibitors (TKIs) specifically inhibit phosphorylation of signaling pathways of cancer cells, thereby inhibiting their growth. They are characterized by a poor solubility and high protein binding, leading to a large variability in gut uptake after oral administration and variation in the clinical efficacy. We used the CaCo2 gut epithelial model to characterize the gut absorption of 7 TKIs and observed a large variation in apical/basolateral (mimicking gut/blood) transfer, with 4 TKIs showing a negative and 3 a neutral transfer. A highly negative transfer may lead to pharmacokinetic resistance. Intracellular uptake of TKIs was high for sunitinib and crizotinib, intermediate for gefitinib, dasatinib and sorafenib, low for afatinib and not detectable for erlotinib. These properties may explain a high red blood cell to plasma ratio for most TKIs investigated. Although TKIs are poorly absorbed the latter property may compensate for this. Abstract Background: tyrosine kinase inhibitors (TKIs) inhibit phosphorylation of signaling proteins. TKIs often show large variations in the clinic due to poor pharmacology, possibly leading to resistance. We compared gut absorption of inhibitors of epidermal growth factor receptor (erlotinib, gefitinib, and afatinib), ALK-cMET (crizotinib), PDGFR/BCR-Abl (dasatinib), and multikinase inhibitors (sunitinib and sorafenib). In clinical samples, we measured the disposition of each compound within various blood compartments. Methods: we used an optimized CaCo2 gut epithelial model to characterize 20 µM TKI absorption. The apical/basolateral transfer is considered to represent the gut/blood transfer. Drugs were measured using LC-MS/MS. Results: sorafenib and sunitinib showed the highest apical/basolateral transfer (Papp 14.1 and 7.7 × 10−6 cm/s, respectively), followed by dasatinib (3.4), afatinib (1.5), gefitinib (0.38), erlotinib (0.13), and crizotinib (n.d.). However, the net absorptions for dasatinib, afatinib, crizotinib, and erlotinib were highly negative (efflux ratios >5) or neutral/negative, sorafenib (0.86), gefitinib (1.0), and sunitinib (1.6). A high negative absorption may result in resistance because of a poor exposure of tissues to the drug. Accumulation of the TKIs at the end of the transfer period (A->B) was not detectable for erlotinib, very low for afatinib 0.45 pmol/μg protein), followed by gefitinib (0.79), dasatinib (1.1), sorafenib (1.65), and crizotinib (2.11), being highest for sunitinib (11.9). A similar pattern was found for accumulation of these drugs in other colon cell lines, WiDr and HT29. In clinical samples, drugs accumulated consistently in red blood cells; blood to plasma ratios were all >3 (sorafenib) or over 30 for erlotinib. Conclusions: TKIs are consistently poorly absorbed, but accumulation in red blood cells seems to compensate for this.
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Affiliation(s)
- Richard J. Honeywell
- Department of Medical Oncology, Amsterdam UMC, VU University Medical Center, P.O. Box 7057, 1007 MB Amsterdam, The Netherlands; (R.J.H.); (I.K.); (E.G.); (M.N.R.)
- Department of Pharmacy, Amsterdam UMC, VU University Medical Center, P.O. Box 7057, 1007 MB Amsterdam, The Netherlands
| | - Ietje Kathmann
- Department of Medical Oncology, Amsterdam UMC, VU University Medical Center, P.O. Box 7057, 1007 MB Amsterdam, The Netherlands; (R.J.H.); (I.K.); (E.G.); (M.N.R.)
| | - Elisa Giovannetti
- Department of Medical Oncology, Amsterdam UMC, VU University Medical Center, P.O. Box 7057, 1007 MB Amsterdam, The Netherlands; (R.J.H.); (I.K.); (E.G.); (M.N.R.)
- Cancer Pharmacology Lab, AIRC Start-Up Unit, Fondazione Pisana per la Scienza, 56017 Pisa, Italy
| | - Carmelo Tibaldi
- Division of Oncology, Department of Oncology, S. Luca Hospital, 55100 Lucca, Italy;
| | - Egbert F. Smit
- Department of Thoracic Oncology, Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands;
| | - Maria N. Rovithi
- Department of Medical Oncology, Amsterdam UMC, VU University Medical Center, P.O. Box 7057, 1007 MB Amsterdam, The Netherlands; (R.J.H.); (I.K.); (E.G.); (M.N.R.)
| | - Henk M.W. Verheul
- Department of Medical Oncology, Radboud University Medical Center, Geert Grooteplein Zuid 8, 6525 GA Nijmegen, The Netherlands;
| | - Godefridus J. Peters
- Department of Medical Oncology, Amsterdam UMC, VU University Medical Center, P.O. Box 7057, 1007 MB Amsterdam, The Netherlands; (R.J.H.); (I.K.); (E.G.); (M.N.R.)
- Department of Biochemistry, Medical University of Gdansk, 80-211 Gdansk, Poland
- Correspondence: ; Tel.: +31-20-444-2633
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16
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Khan M, Zhao Z, Arooj S, Zheng T, Liao G. Lapatinib Plus Local Radiation Therapy for Brain Metastases From HER-2 Positive Breast Cancer Patients and Role of Trastuzumab: A Systematic Review and Meta-Analysis. Front Oncol 2020; 10:576926. [PMID: 33240815 PMCID: PMC7677410 DOI: 10.3389/fonc.2020.576926] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Accepted: 09/30/2020] [Indexed: 01/11/2023] Open
Abstract
Background Intracranial activity of lapatinib has been demonstrated in several studies in patients with human epidermal growth factor receptor-2 positive breast cancers (HER-2+ BC). Stereotactic radiosurgery (SRS) has been increasingly used as the local therapy for brain metastases in breast cancer patients. Increased objective response rate was observed for lapatinib plus whole brain radiotherapy (WBRT) is such patients with high toxicity. Objective We seek to obtain clinical evidence of synergistic efficacy of lapatinib in combination with radiation therapy, in particular, SRS. Materials and methods We carried out a comprehensive research using the following databases: PubMed; Medline; EMBASE; Cochrane library. These databases were searched until 10 June 2020. PRISMA guidelines were followed step by step for carrying out this systematic review and meta-analysis. Review Manager v 5.4 software was used for statistical evaluation of data. Results Overall 6 studies with 843 HER-2 positive breast cancer patients (442 HER-2 amplified disease, 399 luminal B disease) were included in this systematic review and meta-analysis. A total 279 patients had received lapatinib in addition to HER-2 antibody (trastuzumab) plus/minus chemoradiotherapy, while 610 patients had received trastuzumab-based management or only chemoradiotherapy. Lapatinib-based management of BM was associated with significant increase in overall survival (HR 0.63 [0.52, 0.77], p < 0.00001). Combination of the two (trastuzumab plus lapatinib) was associated with increased survival advantage compared to each agent alone (0.55 [0.32, 0.92], p = 0.02). SRS in combination with lapatinib was associated with increased local control (HR 0.47 [0.33, 0.66], p = 0.0001). Ever use of lapatinib with SRS was associated an increased survival as reported in two studies (Shireen et al.: 27.3 vs. 19.5 months, p = 0.03; Kim et al.: 33.3 vs. 23.6 months, p = 0.009). Kim et al. also revealed significant increase in intracranial activity with concurrent lapatinib reporting 57% complete response compared to 38% (p < 0.001) and lower progressive disease rate of 11 vs. 19% (p < 0.001). Risk of radiation necrosis was decreased with lapatinib use. Conclusions Lapatinib has shown intracranial activity and yielded better survival for HER-2+ BC patients with BMs. SRS in combination with ever use of lapatinib had better local control and were associated with better survival. Radiation necrosis risk was reduced with the use of lapatinib.
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Affiliation(s)
- Muhammad Khan
- Department of Radiation Oncology, Shenzhen People's Hospital, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China.,Department of Oncology, First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Zhihong Zhao
- Department of Nephrology, Shenzhen People's Hospital, Second Clinical Medicine Centre, Jinan University, Shenzhen, China
| | - Sumbal Arooj
- Department of Radiation Oncology, Shenzhen People's Hospital, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China.,Department of Biochemistry, University of Sialkot, Sialkot, Pakistan
| | - Tao Zheng
- Department of Radiation Oncology, Shenzhen People's Hospital, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
| | - Guixiang Liao
- Department of Radiation Oncology, Shenzhen People's Hospital, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
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17
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Miklja Z, Yadav VN, Cartaxo RT, Siada R, Thomas CC, Cummings JR, Mullan B, Stallard S, Paul A, Bruzek AK, Wierzbicki K, Yang T, Garcia T, Wolfe I, Leonard M, Robertson PL, Garton HJ, Wahl DR, Parmar H, Sarkaria JN, Kline C, Mueller S, Nicolaides T, Glasser C, Leary SE, Venneti S, Kumar-Sinha C, Chinnaiyan AM, Mody R, Pai MP, Phoenix TN, Marini BL, Koschmann C. Everolimus improves the efficacy of dasatinib in PDGFRα-driven glioma. J Clin Invest 2020; 130:5313-5325. [PMID: 32603316 PMCID: PMC7524471 DOI: 10.1172/jci133310] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 06/24/2020] [Indexed: 12/26/2022] Open
Abstract
Pediatric and adult high-grade gliomas (HGGs) frequently harbor PDGFRA alterations. We hypothesized that cotreatment with everolimus may improve the efficacy of dasatinib in PDGFRα-driven glioma through combinatorial synergism and increased tumor accumulation of dasatinib. We performed dose-response, synergism, P-glycoprotein inhibition, and pharmacokinetic studies in in vitro and in vivo human and mouse models of HGG. Six patients with recurrent PDGFRα-driven glioma were treated with dasatinib and everolimus. We found that dasatinib effectively inhibited the proliferation of mouse and human primary HGG cells with a variety of PDGFRA alterations. Dasatinib exhibited synergy with everolimus in the treatment of HGG cells at low nanomolar concentrations of both agents, with a reduction in mTOR signaling that persisted after dasatinib treatment alone. Prolonged exposure to everolimus significantly improved the CNS retention of dasatinib and extended the survival of PPK tumor-bearing mice (mutant TP53, mutant PDGFRA, H3K27M). Six pediatric patients with glioma tolerated this combination without significant adverse events, and 4 patients with recurrent disease (n = 4) had a median overall survival of 8.5 months. Our results show that the efficacy of dasatinib treatment of PDGFRα-driven HGG was enhanced with everolimus and suggest a promising route for improving targeted therapy for this patient population.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Hemant Parmar
- Department of Radiology, Michigan Medicine, Ann Arbor, Michigan, USA
| | - Jann N. Sarkaria
- Department of Oncology, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
| | - Cassie Kline
- Department of Pediatrics and
- Department of Neurology, UCSF, San Francisco, California, USA
| | - Sabine Mueller
- Department of Pediatrics and
- Department of Neurology, UCSF, San Francisco, California, USA
| | - Theodore Nicolaides
- Division of Pediatric Hematology/Oncology, NYU Langone Medical Center, New York, New York, USA
| | - Chana Glasser
- Division of Pediatric Hematology/Oncology, NYU Winthrop Hospital, Mineola, New York, USA
| | - Sarah E.S. Leary
- Seattle Children’s Hospital/University of Washington (UW), Seattle, Washington, USA
| | | | | | - Arul M. Chinnaiyan
- Department of Pathology
- Department of Urology
- Michigan Center for Translational Pathology
- Howard Hughes Medical Institute
- Rogel Cancer Center, and
| | | | - Manjunath P. Pai
- College of Pharmacy, Michigan Medicine, Ann Arbor, Michigan, USA
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18
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The Unique Pharmacometrics of Small Molecule Therapeutic Drug Tracer Imaging for Clinical Oncology. Cancers (Basel) 2020; 12:cancers12092712. [PMID: 32971780 PMCID: PMC7563483 DOI: 10.3390/cancers12092712] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 09/11/2020] [Accepted: 09/17/2020] [Indexed: 12/30/2022] Open
Abstract
Simple Summary New clinical radiology scans using trace amounts of therapeutic cancer drugs labeled with radioisotope injected into patients can provide oncologists with fundamentally unique insights about drug delivery to tumors. This new application of radiology aims to improve how cancer drugs are used, towards improving patient outcomes. The article reviews published clinical research in this important new field. Abstract Translational development of radiolabeled analogues or isotopologues of small molecule therapeutic drugs as clinical imaging biomarkers for optimizing patient outcomes in targeted cancer therapy aims to address an urgent and recurring clinical need in therapeutic cancer drug development: drug- and target-specific biomarker assays that can optimize patient selection, dosing strategy, and response assessment. Imaging the in vivo tumor pharmacokinetics and biomolecular pharmacodynamics of small molecule cancer drugs offers patient- and tumor-specific data which are not available from other pharmacometric modalities. This review article examines clinical research with a growing pharmacopoeia of investigational small molecule cancer drug tracers.
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19
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D'Costa NM, Lowerison MR, Raven PA, Tan Z, Roberts ME, Shrestha R, Urban MW, Monjaras-Avila CU, Oo HZ, Hurtado-Coll A, Chavez-Munoz C, So AI. Y-box binding protein-1 is crucial in acquired drug resistance development in metastatic clear-cell renal cell carcinoma. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2020; 39:33. [PMID: 32041631 PMCID: PMC7011538 DOI: 10.1186/s13046-020-1527-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Accepted: 01/10/2020] [Indexed: 12/30/2022]
Abstract
BACKGROUND Renal cell carcinoma (RCC) is a highly vascular tumor and patients with low risk metastatic RCC of clear-cell histological sub-type (mccRCC) are treated with tyrosine-kinase inhibitors (TKIs), sunitinib, as the first-line of treatment. Unfortunately, TKI resistance eventually develops, and the underlying molecular mechanism is not well understood. METHODS RCC cell-line with metastatic clear-cell histology (Caki-1), and patient samples were analysed to identify the role of Y-box binding protein 1 (YB-1) and ATP-binding cassette sub-family B member 1 (ABCB-1) in acquired sunitinib-resistance development. Caki-1 was conditioned with increasing sunitinib doses to recapitulate acquired resistance development in clinics. Sunitinib-conditioned and wild-type Caki-1 were subjected to cell viability assay, scratch assay, chicken embryo chorioallantoic membrane engraftment and proteomics analysis. Classical biochemical assays like flow cytometry, immunofluorescent staining, immunohistochemical staining, optical coherence tomography imaging, Western Blot and RT-PCR assays were applied to determine the possible mechanism of sunitinib-resistance development and the effect of drug treatments. Publicly available data was also used to determine the role of YB-1 upregulation in ccRCC and the patients' overall survival. RESULTS We demonstrate that YB-1 and ABCB-1 are upregulated in sunitinib-resistant in vitro, ex vivo, in vivo and patient samples compared to the sensitive samples. This provides evidence to a mechanism of acquired sunitinib-resistance development in mccRCC. Furthermore, our results establish that inhibiting ABCB-1 with elacridar, in addition to sunitinib, has a positive impact on reverting sunitinib-resistance development in in vitro, ex vivo and in vivo models. CONCLUSION This work proposes a targeted therapy (elacridar and sunitinib) to re-sensitize sunitinib-resistant mccRCC and, possibly, slow disease progression.
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Affiliation(s)
- Ninadh M D'Costa
- Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Level 6, 2775-Laurel St, Vancouver, BC, V5Z 1M9, Canada.,Vancouver Prostate Centre, 2660 Oak St., Vancouver, BC, V6H 3Z6, Canada
| | - Matthew R Lowerison
- Department of Urology, Mayo Clinic College of Medicine and Science, Mayo Clinic, Rochester, MN, USA
| | - Peter A Raven
- Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Level 6, 2775-Laurel St, Vancouver, BC, V5Z 1M9, Canada
| | - Zheng Tan
- Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Level 6, 2775-Laurel St, Vancouver, BC, V5Z 1M9, Canada
| | - Morgan E Roberts
- Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Level 6, 2775-Laurel St, Vancouver, BC, V5Z 1M9, Canada.,Vancouver Prostate Centre, 2660 Oak St., Vancouver, BC, V6H 3Z6, Canada
| | - Raunak Shrestha
- Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Level 6, 2775-Laurel St, Vancouver, BC, V5Z 1M9, Canada
| | | | - Cesar U Monjaras-Avila
- Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Level 6, 2775-Laurel St, Vancouver, BC, V5Z 1M9, Canada.,Vancouver Prostate Centre, 2660 Oak St., Vancouver, BC, V6H 3Z6, Canada
| | - Htoo Zarni Oo
- Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Level 6, 2775-Laurel St, Vancouver, BC, V5Z 1M9, Canada.,Vancouver Prostate Centre, 2660 Oak St., Vancouver, BC, V6H 3Z6, Canada
| | - Antonio Hurtado-Coll
- Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Level 6, 2775-Laurel St, Vancouver, BC, V5Z 1M9, Canada.,Vancouver Prostate Centre, 2660 Oak St., Vancouver, BC, V6H 3Z6, Canada
| | - Claudia Chavez-Munoz
- Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Level 6, 2775-Laurel St, Vancouver, BC, V5Z 1M9, Canada.,Vancouver Prostate Centre, 2660 Oak St., Vancouver, BC, V6H 3Z6, Canada
| | - Alan I So
- Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Level 6, 2775-Laurel St, Vancouver, BC, V5Z 1M9, Canada. .,Vancouver Prostate Centre, 2660 Oak St., Vancouver, BC, V6H 3Z6, Canada.
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20
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Strope JD, Peer CJ, Sissung TM, Hall OM, Huang PA, Harris EM, Gustafson KR, Henrich CJ, Sigano DM, Pauly GT, Schneider JP, Bates SE, Figg WD. Botryllamide G is an ABCG2 inhibitor that improves lapatinib delivery in mouse brain. Cancer Biol Ther 2019; 21:223-230. [PMID: 31709896 PMCID: PMC7012088 DOI: 10.1080/15384047.2019.1683324] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Accepted: 10/06/2019] [Indexed: 01/10/2023] Open
Abstract
Introduction: Transporters comprising the blood-brain barrier complicate delivery of many therapeutics to the central nervous system. The present study ascertained whether the natural product botryllamide G is viable for in vivo inhibition of ABCG2 using lapatinib as a probe for ABCB1 and ABCG2-mediated efflux from the brain. Methods: Wild-type and Mdr1a/Mdr1b (-/-) mice were treated with botryllamide G and lapatinib ("doublet therapy"), and while a separate cohort of wild-type mice was treated with botryllamide, tariquidar and lapatinib ("triplet therapy"). Results: Botryllamide G demonstrates biphasic elimination with a rapid distribution, decreasing below the in vitro IC50 of 6.9 µM within minutes, yet with a relatively slower terminal half-life (4.6 h). In Mdr1a/Mdr1b (-/-) mice, doublet therapy resulted in a significant increase in brain lapatinib AUC at 8 h (2058 h*ng/mL vs 4007 h*ng/mL; P = .031), but not plasma exposure (P = .15). No significant differences were observed after 24 h. Lapatinib brain exposure was greater through 1 h when wild-type mice were administered triplet therapy (298 h*pg/mg vs 120 h*pg/mg; P < .001), but the triplet decreased brain AUC through 24 h vs. mice administered lapatinib alone (2878 h*pg/mg vs 4461hr*ng/mL; P < .001) and did not alter the brain:plasma ratio. Conclusions: In summary, the ABCG2 inhibitor, botryllamide G, increases brain exposure to lapatinib in mice lacking Abcb1, although the combination of botryllamide G and tariquidar increases brain exposure in wild-type mice only briefly (1 h). Additional research is needed to find analogs of this compound that have better pharmacokinetics and pharmacodynamic effects on ABCG2 inhibition.
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Affiliation(s)
- Jonathan D. Strope
- Molecular Pharmacology Section, National Cancer Institute, Bethesda, MD, USA
| | - Cody J. Peer
- Clinical Pharmacology Program, National Cancer Institute, Bethesda, MD, USA
| | - Tristan M. Sissung
- Clinical Pharmacology Program, National Cancer Institute, Bethesda, MD, USA
| | - O. Morgan Hall
- Clinical Pharmacology Program, National Cancer Institute, Bethesda, MD, USA
| | - Phoebe A. Huang
- Molecular Pharmacology Section, National Cancer Institute, Bethesda, MD, USA
| | - Emily M. Harris
- Molecular Pharmacology Section, National Cancer Institute, Bethesda, MD, USA
| | - Kirk R. Gustafson
- Molecular Targets Program, National Cancer Institute, Frederick, MD, USA
| | - Curtis J. Henrich
- Molecular Targets Program, National Cancer Institute, Frederick, MD, USA
- Basic Research Program, Leidos Biomedical Research Inc., Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Dina M. Sigano
- Chemical Biology Laboratory, National Cancer Institute, Frederick, MD, USA
| | - Gary T. Pauly
- Chemical Biology Laboratory, National Cancer Institute, Frederick, MD, USA
| | - Joel P. Schneider
- Chemical Biology Laboratory, National Cancer Institute, Frederick, MD, USA
| | - Susan E. Bates
- Department of Medicine, Division of Hematology and Oncology, Columbia University, New York, NY, USA
| | - William D. Figg
- Molecular Pharmacology Section, National Cancer Institute, Bethesda, MD, USA
- Clinical Pharmacology Program, National Cancer Institute, Bethesda, MD, USA
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Abstract
Tyrosine kinase inhibitors have recently become an essential tool in management of chronic myeloid leukaemia (CML). Dasatinib, a representative of those drugs, acts by inhibiting key proteins included in CML development, predominantly Bcr-Abl and Src. Its advantage is that it shows activity in many cases where other agents bring no improvement due to resistance. Pharmacokinetics of dasatinib has specific characteristics that may play an important role in achieving sufficient exposure in patients. Therefore, the key pharmacokinetic properties are summarized in this report. For example, dasatinib absorption is significantly influenced by gastric pH and its modulation can be a source of serious interactions, as well as simultaneous administration of drugs affecting cytochrome P450.
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Affiliation(s)
- Jana Hořínková
- Institute of Pharmacology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czech Republic.
| | - Martin Šíma
- Institute of Pharmacology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czech Republic
| | - Ondřej Slanař
- Institute of Pharmacology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czech Republic
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22
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Yao Q, Liu Y, Kou L, Tu Y, Tang X, Zhu L. Tumor-targeted drug delivery and sensitization by MMP2-responsive polymeric micelles. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2019; 19:71-80. [PMID: 31004812 PMCID: PMC6599579 DOI: 10.1016/j.nano.2019.03.012] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 02/28/2019] [Accepted: 03/24/2019] [Indexed: 01/12/2023]
Abstract
Low tumor specificity and multidrug resistance (MDR) remain challenging for many anticancer drugs. In this study, the micelles assembled by a matrix metalloproteinase 2 (MMP2)-sensitive self-assembling efflux inhibitor (PEG2k-pp-PE) were developed and evaluated in various cancer models. In vitro, the PEG2k-pp-PE micelles enhanced the cellular uptake and tissue penetration and sensitized the cancers to drug treatments in MDR cancer cells and their three-dimensional multicellular spheroids. Their efflux inhibitory capability was comparable to those of the well-known small-molecule P-glycoprotein (P-gp) inhibitor and polymeric P-gp inhibitor. In vivo, the PEG2k-pp-PE micelles could specifically and effectively deliver the loaded cargoes to the tumor, as evidenced by the enhanced drug accumulation and prolonged drug retention in the tumor tissue, resulting in the improved anticancer activity. Our results suggest that the PEG2k-pp-PE micelles may have great potential to be a simple but multifunctional nanocarrier for concurrent tumor-targeted drug delivery and sensitization of resistant cancers.
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Affiliation(s)
- Qing Yao
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A&M University, College Station, TX, United States; Department of Pharmaceutics, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China; Department of Pharmaceutics, College of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning, China
| | - Yin Liu
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A&M University, College Station, TX, United States
| | - Longfa Kou
- Department of Pharmaceutics, College of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning, China; The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Ying Tu
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A&M University, College Station, TX, United States
| | - Xing Tang
- Department of Pharmaceutics, College of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning, China
| | - Lin Zhu
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A&M University, College Station, TX, United States.
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The influence of the coadministration of the p-glycoprotein modulator elacridar on the pharmacokinetics of lapatinib and its distribution in the brain and cerebrospinal fluid. Invest New Drugs 2019; 38:574-583. [PMID: 31177402 PMCID: PMC7211195 DOI: 10.1007/s10637-019-00806-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 05/28/2019] [Indexed: 11/18/2022]
Abstract
Background Lapatinib is a small-molecule tyrosine kinase inhibitor of human epidermal receptor 2 (HER2) and EGFR that has currently been approved for the treatment of HER2-positive advanced and metastatic breast cancer (BC). The ATP-binding cassette (ABC) family of transporters includes P-glycoprotein (P-gp; ABCB1) and breast cancer resistance protein (BCRP; ABCG2), which substantially restrict the penetration of drugs, including chemotherapeutics, through the blood-brain barrier and blood-cerebrospinal fluid barrier. The aim of this study was to investigate the effects of elacridar, an ABCB1 and ABCG2 inhibitor, on the brain and cerebrospinal fluid uptake of lapatinib. Methods Rats were divided into two groups: one group received 5 mg/kg elacridar and 100 mg/kg lapatinib (an experimental group), and the other group received 100 mg/kg lapatinib (a control group). Lapatinib concentrations in the blood plasma (BP), cerebrospinal fluid (CSF) and brain tissue (BT) were measured by liquid chromatography coupled with tandem mass spectrometry. Results Elacridar significantly increased lapatinib penetration into the CSF and BT (Cmax increase of 136.4% and 54.7% and AUC0-∞ increase of 53.7% and 86.5%, respectively). The Cmax of lapatinib in BP was similar in both experimental groups (3057.5 vs. 3257.5 ng/mL, respectively). Conclusion This study showed that elacridar influenced the pharmacokinetics of lapatinib. The inhibition of ABCB1 and ABCG2 transporters by elacridar substantially enhanced the penetration of lapatinib into the CSF and BT. The blocking of protein transporters could become indispensable in the treatment of patients with breast cancer and brain metastases.
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van Hoppe S, Jamalpoor A, Rood JJM, Wagenaar E, Sparidans RW, Beijnen JH, Schinkel AH. Brain accumulation of osimertinib and its active metabolite AZ5104 is restricted by ABCB1 (P-glycoprotein) and ABCG2 (breast cancer resistance protein). Pharmacol Res 2019; 146:104297. [PMID: 31175939 DOI: 10.1016/j.phrs.2019.104297] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 05/21/2019] [Accepted: 06/04/2019] [Indexed: 12/14/2022]
Abstract
Osimertinib is an irreversible EGFR inhibitor registered for advanced NSCLC patients whose tumors harbor recurrent somatic activating mutations in EGFR (EGFRm+) or the frequently occurring EGFR-T790M resistance mutation. Using in vitro transport assays and appropriate knockout and transgenic mouse models, we investigated whether the multidrug efflux transporters ABCB1 and ABCG2 transport osimertinib and whether they influence the oral availability and brain accumulation of osimertinib and its most active metabolite, AZ5104. In vitro, human ABCB1 and mouse Abcg2 modestly transported osimertinib. In mice, Abcb1a/1b, with a minor contribution of Abcg2, markedly limited the brain accumulation of osimertinib and AZ5104. However, no effect of the ABC transporters was seen on osimertinib oral availability. In spite of up to 6-fold higher brain accumulation, we observed no acute toxicity signs of oral osimertinib in Abcb1a/1b;Abcg2 knockout mice. Interestingly, even in wild-type mice the intrinsic brain penetration of osimertinib was already relatively high, which may help to explain the documented partial efficacy of this drug against brain metastases. No substantial effects of mouse Cyp3a knockout or transgenic human CYP3A4 overexpression on oral osimertinib pharmacokinetics were observed, presumably due to a dominant role of mouse Cyp2d enzymes in osimertinib metabolism. Our results suggest that pharmacological inhibition of ABCB1 and ABCG2 during osimertinib therapy might potentially be considered to further benefit patients with brain (micro-)metastases positioned behind an intact blood-brain barrier, or with substantial expression of these transporters in the tumor cells, without invoking a high toxicity risk.
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Affiliation(s)
- Stéphanie van Hoppe
- Division of Pharmacology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Amer Jamalpoor
- Division of Pharmacology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Johannes J M Rood
- Section of Pharmacoepidemiology & Clinical Pharmacology, Department of Pharmaceutical Sciences, Faculty of Science, Utrecht University, 3512 JE Utrecht, The Netherlands
| | - Els Wagenaar
- Division of Pharmacology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Rolf W Sparidans
- Section of Pharmacoepidemiology & Clinical Pharmacology, Department of Pharmaceutical Sciences, Faculty of Science, Utrecht University, 3512 JE Utrecht, The Netherlands
| | - Jos H Beijnen
- Division of Pharmacology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands; Section of Pharmacoepidemiology & Clinical Pharmacology, Department of Pharmaceutical Sciences, Faculty of Science, Utrecht University, 3512 JE Utrecht, The Netherlands
| | - Alfred H Schinkel
- Division of Pharmacology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands.
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Abstract
Kinase inhibitors (KIs) have had a huge impact on clinical treatment of various cancers, but they are far from perfect medicines. In particular, their efficacies are limited to certain cancer types and, in many cases, provide only temporary remission. This paper explores the possibility of covalently binding a fluorophore for in vivo optical imaging to the KI dasatinib where the particular fluorophore chosen for this study, a heptamethine cyanine (Cy) derivative, tends to accumulate in tumors. Thus, we hypothesized that the dasatinib-fluorophore conjugate might target tumor cells more effectively than the parent KI, give enhanced suppression of viability, and simultaneously serve as a probe for optical imaging. As far as we are aware, the dasatinib conjugate (1) is the first reported to contain this KI and a probe for near-IR imaging, and it is certainly the first conjugate of a tumor-targeting near-IR dye and a KI of any kind. Conjugate 1 suppressed the viability of liver cancer cells (HepG2) more effectively than dasatinib at the same concentration. In scratch assays, 1 prevented regrowth of the tumor cells. Conjugate 1 is cell permeable, and confocal imaging indicates the fluorescence of those cells is concentrated in the mitochondria than lysosomes. In general, this study suggests there is untapped potential for conjugates of KIs with tumor-targeting near-IR dyes in the development of theranostics for optical imaging and treatment of cancer.
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Affiliation(s)
- Syed Muhammad Usama
- Department of Chemistry, Texas A & M University, Box 30012, College Station, Texas 77842, United States
| | - Bosheng Zhao
- Department of Chemistry, Texas A & M University, Box 30012, College Station, Texas 77842, United States
| | - Kevin Burgess
- Department of Chemistry, Texas A & M University, Box 30012, College Station, Texas 77842, United States
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26
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Wei Y, Shin MR, Sesti F. Oxidation of KCNB1 channels in the human brain and in mouse model of Alzheimer's disease. Cell Death Dis 2018; 9:820. [PMID: 30050035 PMCID: PMC6062629 DOI: 10.1038/s41419-018-0886-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 06/23/2018] [Accepted: 07/16/2018] [Indexed: 01/02/2023]
Abstract
Oxidative modification of the voltage-gated K+ channel subfamily B member 1 (KCNB1, Kv2.1) is emerging as a mechanism of neuronal vulnerability potentially capable of affecting multiple conditions associated with oxidative stress, from normal aging to neurodegenerative disease. In this study we report that oxidation of KCNB1 channels is exacerbated in the post mortem brains of Alzheimer’s disease (AD) donors compared to age-matched controls. In addition, phosphorylation of Focal Adhesion kinases (FAK) and Src tyrosine kinases, two key signaling steps that follow KCNB1 oxidation, is also strengthened in AD vs. control brains. Quadruple transgenic mice expressing a non-oxidizable form of KCNB1 in the 3xTg-AD background (APPSWE, PS1M146V, and tauP301L), exhibit improved working memory along with reduced brain inflammation, protein carbonylation and intraneuronal β-amyloid (Aβ) compared to 3xTg-AD mice or mice expressing the wild type (WT) KCNB1 channel. We conclude that oxidation of KCNB1 channels is a mechanism of neuronal vulnerability that is pervasive in the vertebrate brain.
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Affiliation(s)
- Yu Wei
- Department of Neuroscience and Cell Biology, Rutgers University Robert Wood Johnson Medical School, 683 Hoes Lane West, Piscataway, NJ, 08854, USA
| | - Mi Ryung Shin
- Department of Neuroscience and Cell Biology, Rutgers University Robert Wood Johnson Medical School, 683 Hoes Lane West, Piscataway, NJ, 08854, USA
| | - Federico Sesti
- Department of Neuroscience and Cell Biology, Rutgers University Robert Wood Johnson Medical School, 683 Hoes Lane West, Piscataway, NJ, 08854, USA.
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27
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Robey RW, Pluchino KM, Hall MD, Fojo AT, Bates SE, Gottesman MM. Revisiting the role of ABC transporters in multidrug-resistant cancer. Nat Rev Cancer 2018; 18:452-464. [PMID: 29643473 PMCID: PMC6622180 DOI: 10.1038/s41568-018-0005-8] [Citation(s) in RCA: 1133] [Impact Index Per Article: 188.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Most patients who die of cancer have disseminated disease that has become resistant to multiple therapeutic modalities. Ample evidence suggests that the expression of ATP-binding cassette (ABC) transporters, especially the multidrug resistance protein 1 (MDR1, also known as P-glycoprotein or P-gp), which is encoded by ABC subfamily B member 1 (ABCB1), can confer resistance to cytotoxic and targeted chemotherapy. However, the development of MDR1 as a therapeutic target has been unsuccessful. At the time of its discovery, appropriate tools for the characterization and clinical development of MDR1 as a therapeutic target were lacking. Thirty years after the initial cloning and characterization of MDR1 and the implication of two additional ABC transporters, the multidrug resistance-associated protein 1 (MRP1; encoded by ABCC1)), and ABCG2, in multidrug resistance, interest in investigating these transporters as therapeutic targets has waned. However, with the emergence of new data and advanced techniques, we propose to re-evaluate whether these transporters play a clinical role in multidrug resistance. With this Opinion article, we present recent evidence indicating that it is time to revisit the investigation into the role of ABC transporters in efficient drug delivery in various cancer types and at the blood-brain barrier.
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Affiliation(s)
- Robert W Robey
- Laboratory of Cell Biology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Kristen M Pluchino
- Laboratory of Cell Biology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Matthew D Hall
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD, USA
| | - Antonio T Fojo
- Division of Hematology/Oncology, Department of Medicine, Columbia University/New York Presbyterian Hospital, Manhattan, NY, USA
- James J. Peters VA Medical Center, Bronx, NY, USA
| | - Susan E Bates
- Division of Hematology/Oncology, Department of Medicine, Columbia University/New York Presbyterian Hospital, Manhattan, NY, USA
- James J. Peters VA Medical Center, Bronx, NY, USA
| | - Michael M Gottesman
- Laboratory of Cell Biology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
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28
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Therapeutic Potential and Utility of Elacridar with Respect to P-glycoprotein Inhibition: An Insight from the Published In Vitro, Preclinical and Clinical Studies. Eur J Drug Metab Pharmacokinet 2018; 42:915-933. [PMID: 28374336 DOI: 10.1007/s13318-017-0411-4] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The occurrence of efflux mechanisms via Permeability-glycoprotein (P-gp) recognized as an important physiological process impedes drug entry or transport across membranes into tissues. In some instances, either low oral bioavailability or lack of brain penetration has been attributed to P-gp mediated efflux activity. Therefore, the objective of development of P-gp inhibitors was to facilitate the attainment of higher drug exposures in tissues. Many third-generation P-gp inhibitors such as elacridar, tariquidar, zosuquidar, etc. have entered clinical development to fulfil the promise. The body of evidence from in vitro and in vivo preclinical and clinical data reviewed in this paper provides the basis for an effective blockade of P-gp efflux mechanism by elacridar. However, clinical translation of the promise has been elusive not just for elacridar but also for other P-gp inhibitors in this class. The review provides introspection and perspectives on the lack of clinical translation of this class of drugs and a broad framework of strategies and considerations in the potential application of elacridar and other P-gp inhibitors in oncology therapeutics.
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Ganguly S, Panetta JC, Roberts JK, Schuetz EG. Ketamine Pharmacokinetics and Pharmacodynamics Are Altered by P-Glycoprotein and Breast Cancer Resistance Protein Efflux Transporters in Mice. Drug Metab Dispos 2018; 46:1014-1022. [PMID: 29674491 DOI: 10.1124/dmd.117.078360] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 04/16/2018] [Indexed: 01/16/2023] Open
Abstract
To understand the systemic impact of breast cancer resistance protein (Bcrp) and P-glycoprotein (Pgp) deletion, untargeted metabolomics was performed on cerebral spinal fluid (CSF) and plasma of wild-type (WT) and Pgp and Bcrp double-knockout (dKO) rats anesthetized with ketamine-xylazine. We unexpectedly found elevated ketamine levels in both CSF and plasma of dKO versus WT rats. Therefore, the effect of these transporters was investigated on the 1) oral and intraperitoneal serum pharmacokinetics (PK) of ketamine, using a liquid chromatography method (high-performance liquid chromatography with ultraviolet detection), and 2) the anesthetic effect of ketamine using a duration of loss-of-righting reflex (dLORR) test in WT, Bcrp knockout (KO), Pgp KO, and Pgp/Bcrp dKO mice. The PK data demonstrated a significantly increased oral bioavailability and serum exposure of ketamine in dKO > Pgp KO > Bcrp KO mice compared with WT mice. Intraperitoneal ketamine-induced dLORR was significantly longer in dKO > Pgp KO > Bcrp KO > WT mice compared with WT mice. Inhibition of Bcrp and Pgp in WT mice using the dual Pgp/Bcrp inhibitor elacridar increased the ketamine-induced dLORR compared with vehicle-treated mice. The ketamine intracellular concentration was significantly decreased in Madin-Darby canine kidney II BCRP/PGP cells compared with the parental cells. In total, these results demonstrate that ketamine appears to be a dual Pgp/Bcrp substrate whose PK and pharmacodynamics are affected by Pgp and Bcrp-mediated efflux.
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Affiliation(s)
- Samit Ganguly
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee, (S.G., J.C.P., J.K.R., E.G.S.); and Cancer and Developmental Biology Track, University of Tennessee Health Science Center, Memphis, Tennessee (S.G.)
| | - John C Panetta
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee, (S.G., J.C.P., J.K.R., E.G.S.); and Cancer and Developmental Biology Track, University of Tennessee Health Science Center, Memphis, Tennessee (S.G.)
| | - Jessica K Roberts
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee, (S.G., J.C.P., J.K.R., E.G.S.); and Cancer and Developmental Biology Track, University of Tennessee Health Science Center, Memphis, Tennessee (S.G.)
| | - Erin G Schuetz
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee, (S.G., J.C.P., J.K.R., E.G.S.); and Cancer and Developmental Biology Track, University of Tennessee Health Science Center, Memphis, Tennessee (S.G.)
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Wijaya J, Fukuda Y, Schuetz JD. Obstacles to Brain Tumor Therapy: Key ABC Transporters. Int J Mol Sci 2017; 18:E2544. [PMID: 29186899 PMCID: PMC5751147 DOI: 10.3390/ijms18122544] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 11/17/2017] [Accepted: 11/22/2017] [Indexed: 02/07/2023] Open
Abstract
The delivery of cancer chemotherapy to treat brain tumors remains a challenge, in part, because of the inherent biological barrier, the blood-brain barrier. While its presence and role as a protector of the normal brain parenchyma has been acknowledged for decades, it is only recently that the important transporter components, expressed in the tightly knit capillary endothelial cells, have been deciphered. These transporters are ATP-binding cassette (ABC) transporters and, so far, the major clinically important ones that functionally contribute to the blood-brain barrier are ABCG2 and ABCB1. A further limitation to cancer therapy of brain tumors or brain metastases is the blood-tumor barrier, where tumors erect a barrier of transporters that further impede drug entry. The expression and regulation of these two transporters at these barriers, as well as tumor derived alteration in expression and/or mutation, are likely obstacles to effective therapy.
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Affiliation(s)
- Juwina Wijaya
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105-2794, USA.
| | - Yu Fukuda
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105-2794, USA.
| | - John D Schuetz
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105-2794, USA.
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31
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Yao Q, Choi JH, Dai Z, Wang J, Kim D, Tang X, Zhu L. Improving Tumor Specificity and Anticancer Activity of Dasatinib by Dual-Targeted Polymeric Micelles. ACS APPLIED MATERIALS & INTERFACES 2017; 9:36642-36654. [PMID: 28960955 DOI: 10.1021/acsami.7b12233] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
To improve tumor targetability and drug efficacy and decrease drug resistance of dasatinib (DSB), the multifunctional micellar nanoparticles that combined the matrix metalloproteinase 2 (MMP2)-sensitive tumor (site) targeting with folate receptor-mediated tumor (cell) targeting were developed. Two major functional polymers, polyethylene glycol (5000 Da)-MMP2-sensitive peptide-phosphoethanolamine (PEG5k-pp-PE) and folic acid-polyethylene glycol (2000 Da)-phosphoethanolamine (FA-PEG2k-PE), were synthesized to construct the dual-targeted micellar nanoparticles (MMP/FR micelles). In the absence of MMP2, the FA was shielded by PEG5k and the MMP/FR micelles showed low bioactivity. In the presence of MMP2, the nanoparticulate structure, stability, and cargo release profile of the MMP/FR micelles were not significantly affected, however, the MMP2-mediated PEG5k deshielding and FA exposure remarkably increased the cellular uptake and anticancer activity of the micelles in the MMP2 and FR expressing (MMP2+/FR+) cells, including multidrug resistant (MDR) cancer cells, rather than the MMP2- and FR- cells. In the 3D MDR tumor spheroids, the significant MMP2-dependent tissue penetration, uptake and cytotoxicity of the MMP/FR micelles were also observed. Furthermore, in the in vivo biodistribution study, the MMP2 and FR dual targeting strategy could significantly prolong the systemic circulation, decrease the nonspecific distribution in nontumor tissues, and increase the tumor accumulation of the polymeric micelles in a melanoma xenograft mouse model. The MMP2-sensitive FR-targeted micelles might have great potential as a tumor-targeted platform for delivery of molecular targeted therapeutics.
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Affiliation(s)
- Qing Yao
- Department of Pharmaceutics, College of Pharmacy, Shenyang Pharmaceutical University , Wen Hua Road, No. 103, Shenyang, Liaoning 110016, China
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A&M University Health Science Center , 1010 West Ave. B, MSC 131, Kingsville, Texas 78363, United States
| | - Jong Hoon Choi
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A&M University Health Science Center , 1010 West Ave. B, MSC 131, Kingsville, Texas 78363, United States
| | - Zhi Dai
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A&M University Health Science Center , 1010 West Ave. B, MSC 131, Kingsville, Texas 78363, United States
| | - Jiao Wang
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A&M University Health Science Center , 1010 West Ave. B, MSC 131, Kingsville, Texas 78363, United States
| | - Dongin Kim
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A&M University Health Science Center , 1010 West Ave. B, MSC 131, Kingsville, Texas 78363, United States
| | - Xing Tang
- Department of Pharmaceutics, College of Pharmacy, Shenyang Pharmaceutical University , Wen Hua Road, No. 103, Shenyang, Liaoning 110016, China
| | - Lin Zhu
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A&M University Health Science Center , 1010 West Ave. B, MSC 131, Kingsville, Texas 78363, United States
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Kort A, van Hoppe S, Sparidans RW, Wagenaar E, Beijnen JH, Schinkel AH. Brain Accumulation of Ponatinib and Its Active Metabolite, N-Desmethyl Ponatinib, Is Limited by P-Glycoprotein (P-GP/ABCB1) and Breast Cancer Resistance Protein (BCRP/ABCG2). Mol Pharm 2017; 14:3258-3268. [DOI: 10.1021/acs.molpharmaceut.7b00257] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Anita Kort
- Division
of Molecular Oncology, The Netherlands Cancer Institute, Plesmanlaan
121, 1066 CX Amsterdam, The Netherlands
- Department of Pharmacy & Pharmacology, The Netherlands Cancer Institute/Slotervaart Hospital, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands
| | - Stéphanie van Hoppe
- Division
of Molecular Oncology, The Netherlands Cancer Institute, Plesmanlaan
121, 1066 CX Amsterdam, The Netherlands
| | - Rolf W. Sparidans
- Division of Pharmacoepidemiology & Clinical Pharmacology, Department of Pharmaceutical Sciences, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
| | - Els Wagenaar
- Division
of Molecular Oncology, The Netherlands Cancer Institute, Plesmanlaan
121, 1066 CX Amsterdam, The Netherlands
| | - Jos H. Beijnen
- Division of Pharmacoepidemiology & Clinical Pharmacology, Department of Pharmaceutical Sciences, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
- Department of Pharmacy & Pharmacology, The Netherlands Cancer Institute/Slotervaart Hospital, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands
- Department
of Clinical Pharmacology, The Netherlands Cancer Institute, Plesmanlaan
121, 1066 CX Amsterdam, The Netherlands
| | - Alfred H. Schinkel
- Division
of Molecular Oncology, The Netherlands Cancer Institute, Plesmanlaan
121, 1066 CX Amsterdam, The Netherlands
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33
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Yang L, Du C, Wu L, Yu J, An X, Yu W, Cao S, Li H, Ren X. Cytokine-Induced Killer Cells Modulates Resistance to Cisplatin in the A549/DDP Cell Line. J Cancer 2017; 8:3287-3295. [PMID: 29158802 PMCID: PMC5665046 DOI: 10.7150/jca.19426] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 08/30/2017] [Indexed: 12/21/2022] Open
Abstract
Background Cytokine-induced killer (CIK) cells can potentially enhance the tumor-killing activity of chemotherapy. Objective This study aimed to evaluate the effects of CIK cells on cisplatin (DDP) resistance in the human lung adenocarcinoma cell line A549/DDP. Methods The detect resistance index, drug resistance related-genes and cytokine secretion of A549/DDP co-cultured with CIK cells were assayed in vitro. ResultsAfter A549/DDP co-culture with CIK cells, the DDP resistance of A549/DDP significantly decreased in a time-dependent manner. The DDP resistance of A549/DDP co-cultured with CIK cells for 20 h decreased 4.93-fold compared with that of A549/DDP cells cultured alone (P<0.05). The mRNA and protein expression levels of the glutathione-S-transferase (GST) -π gene in A549/DDP significantly decreased after co-culture with CIK cells (P<0.05). The secretion of interferon (IFN)- γ significantly increased along with the co-culture time of A549/DDP with CIK cells. The expression of GST-π was restored by adding the neutralizing IFN-γ. ConclusionCIK cells can reverse the drug resistance of A549/DDP in a time-dependent manner by reducing GST-π expression to increase the accumulation of DDP. The effect of CIK cells on re-sensitizing lung cancer cells to the chemotherapy drug was partially dependent on the secretion of IFN-γ.
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Affiliation(s)
- Lili Yang
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.,National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin, China.,Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Chunjuan Du
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.,National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin, China.,Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Lei Wu
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.,National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin, China.,Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Jinpu Yu
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.,National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin, China.,Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Xiumei An
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.,National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin, China.,Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Wenwen Yu
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.,National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin, China.,Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Shui Cao
- Department of Biotherapy, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.,National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin, China.,Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Hui Li
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.,National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin, China.,Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Xiubao Ren
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.,Department of Biotherapy, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.,National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin, China.,Tianjin's Clinical Research Center for Cancer, Tianjin, China
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34
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Wu CP, Murakami M, Hsiao SH, Chou AW, Li YQ, Huang YH, Hung TH, Ambudkar SV. Overexpression of ATP-Binding Cassette Subfamily G Member 2 Confers Resistance to Phosphatidylinositol 3-Kinase Inhibitor PF-4989216 in Cancer Cells. Mol Pharm 2017; 14:2368-2377. [PMID: 28597653 DOI: 10.1021/acs.molpharmaceut.7b00277] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Deregulated activation of phosphoinositide 3-kinase (PI3K)/Akt/mammalian target of rapamycin (mTOR) pathway is frequently found in human cancers, which plays a key role in promoting cancer proliferation and resistance to anticancer therapies. Therefore, developing inhibitors targeting key components of the PI3K/Akt/mTOR signaling pathway has great clinical significance. PF-4989216 is a novel, orally available small-molecule drug that was developed to selectively inhibit the PI3K/Akt/mTOR signaling pathway and subsequent cancer cell proliferation. PF-4989216 exhibited potent and selective inhibition against PI3K kinase activity in preclinical small-cell lung cancer (SCLC) models, and was especially effective against the proliferation of SCLCs harboring PIK3CA mutation. Unfortunately, in addition to innate resistance mechanisms, drug extrusion by the efflux pumps may also contribute to the development of acquired resistance to PI3K inhibitors in cancer cells. The overexpression of ATP-binding cassette (ABC) drug transporters ABCB1 and ABCG2 is one of the most common mechanisms for reducing intracellular drug concentration and developing multidrug resistance, which remains a substantial challenge to the effective treatment of cancer. In this study, we report the discovery of ABCG2 overexpression as a mechanism of resistance to PI3K inhibitor PF-4989216 in human cancer cells. We demonstrated that the inhibition of Akt and downstream S6RP phosphorylation by PF-4989216 were significantly reduced in ABCG2-overexpressing human cancer cells. Moreover, overexpression of ABCG2 in various cancer cell lines confers significant resistance to PF-4989216, which can be reversed by an inhibitor or competitive substrate of ABCG2, indicating that ABCG2-mediated transport alone can sufficiently reduce the intracellular concentration of PF-4989216.
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Affiliation(s)
- Chung-Pu Wu
- Department of Neurosurgery, Chang Gung Memorial Hospital , Tao-Yuan 105, Taiwan
| | - Megumi Murakami
- Laboratory of Cell Biology, CCR, NCI, NIH , Bethesda, Maryland 20892, United States
| | | | | | - Yan-Qing Li
- Department of Neurosurgery, Chang Gung Memorial Hospital , Tao-Yuan 105, Taiwan
| | | | - Tai-Ho Hung
- Department of Obstetrics and Gynecology, Taipei Chang Gung Memorial Hospital , Taipei 105, Taiwan
| | - Suresh V Ambudkar
- Laboratory of Cell Biology, CCR, NCI, NIH , Bethesda, Maryland 20892, United States
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35
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Emery IF, Gopalan A, Wood S, Chow KH, Battelli C, George J, Blaszyk H, Florman J, Yun K. Expression and function of ABCG2 and XIAP in glioblastomas. J Neurooncol 2017; 133:47-57. [PMID: 28432589 PMCID: PMC5627495 DOI: 10.1007/s11060-017-2422-z] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 04/09/2017] [Indexed: 12/16/2022]
Abstract
Despite multimodal treatment that includes surgery, radiation and chemotherapy, virtually all glioblastomas (GBM) recur, indicating that these interventions are insufficient to eradicate all malignant cells. To identify potential new therapeutic targets in GBMs, we examined the expression and function of proteins that are associated with therapy resistance and cancer cell survival. We measured the expression of eight such proteins in 50 GBM samples by immunohistochemistry and analyzed patient survival. We report that GBM patients with high expression of ABCG2 (also called BCRP) or XIAP at the protein level had worse survival than those with low expression. The adjusted hazard ratio for ABCG2 was 2.35 and for XIAP was 2.65. Since glioma stem cells (GSCs) have been shown to be more resistant than bulk tumor cells to anti-cancer therapies and to express high levels of these proteins, we also sought to determine if ABCG2 and XIAP have functional roles in GSCs. We used small molecule inhibitors to treat patient-derived GBM tumorspheres in vitro and observed that inhibitors of ABCG2, Ko143 and fumitremorgin, significantly reduced self-renewal. These results suggest that ABCG2 and XIAP proteins may be useful indicators of patient survival and that inhibition of ABCG2 may be a promising therapeutic strategy in GBMs.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily G, Member 2/antagonists & inhibitors
- ATP Binding Cassette Transporter, Subfamily G, Member 2/metabolism
- Adult
- Aged
- Aged, 80 and over
- Animals
- Antineoplastic Agents/pharmacology
- Antineoplastic Agents/therapeutic use
- Brain Neoplasms/drug therapy
- Brain Neoplasms/metabolism
- Brain Neoplasms/mortality
- Brain Neoplasms/radiotherapy
- Cells, Cultured
- Dacarbazine/analogs & derivatives
- Dacarbazine/therapeutic use
- Diketopiperazines/pharmacology
- Female
- Follow-Up Studies
- Glioblastoma/drug therapy
- Glioblastoma/metabolism
- Glioblastoma/mortality
- Glioblastoma/radiotherapy
- Heterocyclic Compounds, 4 or More Rings/pharmacology
- Humans
- Indoles/pharmacology
- Male
- Mice, Inbred NOD
- Mice, Knockout
- Mice, SCID
- Middle Aged
- Neoplasm Proteins/antagonists & inhibitors
- Neoplasm Proteins/metabolism
- Neoplasm Transplantation
- Neoplastic Stem Cells/drug effects
- Neoplastic Stem Cells/metabolism
- Temozolomide
- X-Linked Inhibitor of Apoptosis Protein/metabolism
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Affiliation(s)
- Ivette F Emery
- Maine Medical Center Research Institute, 81 Research Drive, Scarborough, ME, 04074, USA.
| | - Archana Gopalan
- The Jackson Laboratory, 600 Main Street, Bar Harbor, ME, 04609, USA
| | - Stephanie Wood
- The Jackson Laboratory, 600 Main Street, Bar Harbor, ME, 04609, USA
| | - Kin-Hoe Chow
- The Jackson Laboratory, 600 Main Street, Bar Harbor, ME, 04609, USA
| | - Chiara Battelli
- New England Cancer Specialists, 100 Campus Drive, Suite 108, Scarborough, ME, 04074, USA
| | - Joshy George
- The Jackson Laboratory for Genomic Medicine, 10 Discovery Drive, Farmington, CT, 06032, USA
| | - Hagen Blaszyk
- Maine Medical Center Department of Pathology, 22 Bramhall Street, Portland, ME, 04102, USA
| | - Jeffrey Florman
- Maine Medical Center Neuroscience Institute, 22 Bramhall Street, Portland, ME, 04102, USA
| | - Kyuson Yun
- The Jackson Laboratory, 600 Main Street, Bar Harbor, ME, 04609, USA.
- Peak Center for Brain and Pituitary Tumors, Houston Methodist Research Institute, 6670 Bertner Ave, Houston, TX, 77030, USA.
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Hussein N, Amawi H, Karthikeyan C, Hall FS, Mittal R, Trivedi P, Ashby CR, Tiwari AK. The dopamine D 3 receptor antagonists PG01037, NGB2904, SB277011A, and U99194 reverse ABCG2 transporter-mediated drug resistance in cancer cell lines. Cancer Lett 2017; 396:167-180. [PMID: 28323029 DOI: 10.1016/j.canlet.2017.03.015] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 03/06/2017] [Accepted: 03/08/2017] [Indexed: 02/07/2023]
Abstract
The ATP - binding cassette (ABC) family G2 (ABCG2) transporters are known to produce multidrug resistance (MDR) in cancer, thereby limiting the clinical response to chemotherapy. Molecular modeling data indicated that certain dopamine (DA) D3 receptor antagonists had a significant binding affinity for ABCG2 transporter. Therefore, in this in vitro study, we determined the effect of the D3 receptor antagonists PG01037, NGB2904, SB277011A, and U99194 on MDR resulting from the overexpression of ABCG2 transporters. The D3 receptor antagonists, at concentrations >100 μM, did not significantly affect the viability of H460-MX20, S1M1-80, A549-MX10 or wild type ABCG2 overexpressing (HEK293-R2) cells. However, at concentrations ranging from 0.01 to 10 μM, the D3 receptor antagonists PG01037, NGB2904, SB-277011A, and U99194 significantly increased the efficacy of the anticancer drugs mitoxantrone and doxorubicin in ABCG2-overexpressing MDR cells. Efflux studies indicated that both PG01037 and NGB2904, at a concentration of 5 μM, significantly decreased the efflux of rhodamine 123 from H460-MX20 cells. Interestingly, 5 μM of PG01037 or NGB2904 significantly decreased the expression levels of the ABCG2 protein, suggesting that these compounds inhibit both the function and expression of ABCG2 transporters at non-toxic concentrations.
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Affiliation(s)
- Noor Hussein
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of Toledo, OH 43614, USA
| | - Haneen Amawi
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of Toledo, OH 43614, USA
| | - Chandrabose Karthikeyan
- School of Pharmaceutical Sciences, Rajiv Gandhi Proudyogiki Vishwavidyalaya, Bhopal, MP 462036, India
| | - F Scott Hall
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of Toledo, OH 43614, USA
| | - Roopali Mittal
- Pediatric Gastroenterology, OU Medical Center, Children's Ave, Oklahoma City, OK 73104, USA
| | - Piyush Trivedi
- School of Pharmaceutical Sciences, Rajiv Gandhi Proudyogiki Vishwavidyalaya, Bhopal, MP 462036, India
| | - Charles R Ashby
- Pharmaceutical Sciences, College of Pharmacy, St. John's University, Queens, NY 11432, USA.
| | - Amit K Tiwari
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of Toledo, OH 43614, USA.
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37
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Breast cancer resistance protein (BCRP/ABCG2) and P-glycoprotein (P-gp/ABCB1) transport afatinib and restrict its oral availability and brain accumulation. Pharmacol Res 2017; 120:43-50. [PMID: 28288939 DOI: 10.1016/j.phrs.2017.01.035] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Revised: 12/22/2016] [Accepted: 01/28/2017] [Indexed: 12/29/2022]
Abstract
Afatinib is a highly selective, irreversible inhibitor of EGFR and HER-2. It is orally administered for the treatment of patients with EGFR mutation-positive types of metastatic NSCLC. We investigated whether afatinib is a substrate for the multidrug efflux transporters ABCB1 and ABCG2 and whether these transporters influence oral availability and brain and other tissue accumulation of afatinib. We used in vitro transport assays to assess human (h)ABCB1-, hABCG2- or murine (m)Abcg2-mediated transport of afatinib. To study the single and combined roles of Abcg2 and Abcb1a/1b in oral afatinib disposition, we used appropriate knockout mouse strains. Afatinib was transported well by hABCB1, hABCG2 and mAbcg2 in vitro. Upon oral administration of afatinib, Abcg2-/-, Abcb1a/1b-/- and Abcb1a/1b-/-;Abcg2-/- mice displayed a 4.2-, 2.4- and 7-fold increased afatinib plasma AUC0-24 compared with wild-type mice. Abcg2-deficient strains also displayed decreased afatinib plasma clearance. At 2h, relative brain accumulation of afatinib was not significantly altered in the single knockout strains, but 23.8-fold increased in Abcb1a/1b-/-;Abcg2-/- mice compared to wild-type mice. Abcg2 and Abcb1a/1b restrict oral availability and brain accumulation of afatinib. Inhibition of these transporters may therefore be of clinical importance for patients with brain (micro)metastases positioned behind an intact blood-brain barrier.
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38
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Affiliation(s)
- Gerhard F. Ecker
- University; of Vienna; Department of Pharmaceutical Chemistry; Althanstrasse 14 1090 Wien Austria
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39
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Peña-Solórzano D, Stark SA, König B, Sierra CA, Ochoa-Puentes C. ABCG2/BCRP: Specific and Nonspecific Modulators. Med Res Rev 2016; 37:987-1050. [PMID: 28005280 DOI: 10.1002/med.21428] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Revised: 10/17/2016] [Accepted: 11/03/2016] [Indexed: 12/13/2022]
Abstract
Multidrug resistance (MDR) in cancer cells is the development of resistance to a variety of structurally and functionally nonrelated anticancer drugs. This phenomenon has become a major obstacle to cancer chemotherapy seriously affecting the clinical outcome. MDR is associated with increased drug efflux from cells mediated by an energy-dependent mechanism involving the ATP-binding cassette (ABC) transporters, mainly P-glycoprotein (ABCB1), the MDR-associated protein-1 (ABCC1), and the breast cancer resistance protein (ABCG2). The first two transporters have been widely studied already and reviews summarized the results. The ABCG2 protein has been a subject of intense study since its discovery as its overexpression has been detected in resistant cell lines in numerous types of human cancers. To date, a long list of modulators of ABCG2 exists and continues to increase. However, little is known about the clinical consequences of ABCG2 modulation. This makes the design of novel, potent, and nontoxic inhibitors of this efflux protein a major challenge to reverse MDR and thereby increase the success of chemotherapy. The aim of the present review is to describe and highlight specific and nonspecific modulators of ABCG2 reported to date based on the selectivity of the compounds, as many of them are effective against one or more ABC transport proteins.
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Affiliation(s)
- Diana Peña-Solórzano
- Grupo de Investigación en Macromoléculas, Departamento de Química, Universidad Nacional de Colombia-Sede Bogotá, 5997, Bogotá, Colombia
| | | | - Burkhard König
- Institute of Organic Chemistry, University of Regensburg, 93040 Regensburg, Germany
| | - Cesar Augusto Sierra
- Grupo de Investigación en Macromoléculas, Departamento de Química, Universidad Nacional de Colombia-Sede Bogotá, 5997, Bogotá, Colombia
| | - Cristian Ochoa-Puentes
- Grupo de Investigación en Macromoléculas, Departamento de Química, Universidad Nacional de Colombia-Sede Bogotá, 5997, Bogotá, Colombia
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40
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Neul C, Schaeffeler E, Sparreboom A, Laufer S, Schwab M, Nies AT. Impact of Membrane Drug Transporters on Resistance to Small-Molecule Tyrosine Kinase Inhibitors. Trends Pharmacol Sci 2016; 37:904-932. [PMID: 27659854 DOI: 10.1016/j.tips.2016.08.003] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Revised: 08/18/2016] [Accepted: 08/19/2016] [Indexed: 12/21/2022]
Abstract
Small-molecule inhibitors of tyrosine kinases (TKIs) are the mainstay of treatment for many malignancies and represent novel treatment options for other diseases such as idiopathic pulmonary fibrosis. Twenty-five TKIs are currently FDA-approved and >130 are being evaluated in clinical trials. Increasing evidence suggests that drug exposure of TKIs may significantly contribute to drug resistance, independently from somatic variation of TKI target genes. Membrane transport proteins may limit the amount of TKI reaching the target cells. This review highlights current knowledge on the basic and clinical pharmacology of membrane transporters involved in TKI disposition and their contribution to drug efficacy and adverse drug effects. In addition to non-genetic and epigenetic factors, genetic variants, particularly rare ones, in transporter genes are promising novel factors to explain interindividual variability in the response to TKI therapy.
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Affiliation(s)
- Claudia Neul
- Dr. Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, and University of Tübingen, Germany
| | - Elke Schaeffeler
- Dr. Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, and University of Tübingen, Germany
| | - Alex Sparreboom
- Division of Pharmaceutics, College of Pharmacy, Ohio State University, Columbus, OH, USA
| | - Stefan Laufer
- Department of Pharmaceutical Chemistry, University of Tübingen, Tübingen, Germany
| | - Matthias Schwab
- Dr. Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, and University of Tübingen, Germany; Department of Clinical Pharmacology, Institute of Experimental and Clinical Pharmacology and Toxicology, University Hospital, Tübingen, Germany; Department of Pharmacy and Biochemistry, University of Tübingen, Tübingen, Germany.
| | - Anne T Nies
- Dr. Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, and University of Tübingen, Germany
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41
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D'Cunha R, Bae S, Murry DJ, An G. TKI combination therapy: strategy to enhance dasatinib uptake by inhibiting Pgp- and BCRP-mediated efflux. Biopharm Drug Dispos 2016; 37:397-408. [PMID: 27418107 DOI: 10.1002/bdd.2022] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Revised: 06/02/2016] [Accepted: 07/04/2016] [Indexed: 11/06/2022]
Abstract
The overexpression of efflux transporters, especially P-glycoprotein (Pgp, MDR1, ABCB1) and breast cancer resistance protein (BCRP, ABCG2), represents an important mechanism of multidrug resistance (MDR). Tyrosine kinase inhibitors (TKIs), a novel group of target-specific anticancer drugs, have recently been found to interact with Pgp and BCRP and to serve as both substrates and inhibitors. Considering their dual role, we anticipate that combination TKI therapy may represent a promising strategy to reverse efflux transporter mediated TKI resistance. Presently, investigations on these interactions are very limited. To fill the literature gap, dasatinib was used as the model drug and the effects of various TKIs on Pgp- and BCRP- mediated dasatinib efflux were evaluated. Cell uptake studies were performed using LLC-PK1 and MDCK-II cells along with their subclones that were transfected with human Pgp and BCRP, respectively. Among the 14 TKIs screened, nine TKIs greatly inhibited Pgp-mediated dasatinib efflux at 50 μm. Further concentration dependent studies showed that imatinib, nilotinib and pazopanib were potent Pgp inhibitors with IC50 values of 2.42, 6.11 and 8.06 μm, respectively. Additionally, 50 μm of five TKIs greatly increased dasatinib accumulation through BCRP inhibition. Concentration dependent studies revealed that imatinib, erlotinib, nilotinib, axitinib and pazopanib were potent BCRP inhibitors with IC50 values of 0.94, 2.23, 2.50, 6.89 and 10.4 μm, respectively. Our findings point to potential combinations of TKIs that could enhance intracellular concentrations of the targeted TKI, overcome MDR and improve TKI efficacy. Further in vivo studies are warranted to confirm the efflux transporter-mediated TKI-TKI interaction. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Ronilda D'Cunha
- The Division of Pharmaceutics and Translational Therapeutics, College of Pharmacy, University of Iowa, Iowa City, IA, 52242, USA
| | - SoHyun Bae
- College of Pharmacy, University of Iowa, Iowa City, USA
| | - Daryl J Murry
- Department of Pharmacy Practice, College of Pharmacy, University of Nebraska Medical Center, Omaha, NE, 68198-6045, USA
| | - Guohua An
- The Division of Pharmaceutics and Translational Therapeutics, College of Pharmacy, University of Iowa, Iowa City, IA, 52242, USA.
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Chen CY, Liu NY, Lin HC, Lee CY, Hung CC, Chang CS. Synthesis and bioevaluation of novel benzodipyranone derivatives as P-glycoprotein inhibitors for multidrug resistance reversal agents. Eur J Med Chem 2016; 118:219-29. [DOI: 10.1016/j.ejmech.2016.03.070] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2015] [Revised: 03/09/2016] [Accepted: 03/25/2016] [Indexed: 11/27/2022]
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43
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Trametinib modulates cancer multidrug resistance by targeting ABCB1 transporter. Oncotarget 2016; 6:15494-509. [PMID: 25915534 PMCID: PMC4558166 DOI: 10.18632/oncotarget.3820] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2015] [Accepted: 03/10/2015] [Indexed: 01/01/2023] Open
Abstract
Overexpression of adenine triphosphate (ATP)-binding cassette (ABC) transporters is one of the main reasons of multidrug resistance (MDR) in cancer cells. Trametinib, a novel specific small-molecule mitogen-activated extracellular signal-regulated kinase (MEK) inhibitor, is currently used for the treatment of melanoma in clinic. In this study, we investigated the effect of trametinib on MDR mediated by ABC transporters. Trametinib significantly potentiated the effects of two ABCB1 substrates vincristine and doxorubicin on inhibition of growth, arrest of cell cycle and induction of apoptosis in cancer cells overexpressed ABCB1, but not ABCC1 and ABCG2. Furthermore, trametinib did not alter the sensitivity of non-ABCB1 substrate cisplatin. Mechanistically, trametinib potently blocked the drug-efflux activity of ABCB1 to increase the intracellular accumulation of rhodamine 123 and doxorubicin and stimulates the ATPase of ABCB1 without alteration of the expression of ABCB1. Importantly, trametinib remarkably enhanced the effect of vincristine against the xenografts of ABCB1-overexpressing cancer cells in nude mice. The predicted binding mode showed the hydrophobic interactions of trametinib within the large drug binding cavity of ABCB1. Consequently, our findings may have important implications for use of trametinib in combination therapy for cancer treatment.
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44
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On NH, Yathindranath V, Sun Z, Miller DW. Pathways for Drug Delivery to the Central Nervous System. Drug Deliv 2016. [DOI: 10.1002/9781118833322.ch16] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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45
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Mittapalli RK, Chung AH, Parrish KE, Crabtree D, Halvorson KG, Hu G, Elmquist WF, Becher OJ. ABCG2 and ABCB1 Limit the Efficacy of Dasatinib in a PDGF-B-Driven Brainstem Glioma Model. Mol Cancer Ther 2016; 15:819-29. [PMID: 26883271 DOI: 10.1158/1535-7163.mct-15-0093] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Accepted: 02/10/2016] [Indexed: 12/22/2022]
Abstract
Dasatinib is a multikinase inhibitor in clinical trials for glioma, and thus far has failed to demonstrate significant efficacy. We investigated whether the ABC efflux transporters ABCG2 and ABCB1 expressed in the blood-brain barrier (BBB), are limiting the efficacy of dasatinib in the treatment of glioma using genetic and pharmacologic approaches. We utilized a genetic brainstem glioma mouse model driven by platelet-derived growth factor-B and p53 loss using abcg2/abcb1 wild-type (ABC WT) or abcg2/abcb1 knockout mice (ABC KO). First, we observed that brainstem glioma tumor latency is significantly prolonged in ABC KO versus ABC WT mice (median survival of 47 vs. 34 days). Dasatinib treatment nearly doubles the survival of brainstem glioma-bearing ABC KO mice (44 vs. 80 days). Elacridar, an ABCG2 and ABCB1 inhibitor, significantly increases the efficacy of dasatinib in brainstem glioma-bearing ABC WT mice (42 vs. 59 days). Pharmacokinetic analysis demonstrates that dasatinib delivery into the normal brain, but not into the tumor core, is significantly increased in ABC KO mice compared with ABC WT mice. Surprisingly, elacridar did not significantly increase dasatinib delivery into the normal brain or the tumor core of ABC WT mice. Next, we demonstrate that the tight junctions of the BBB of this model are compromised as assessed by tissue permeability to Texas Red dextran. Finally, elacridar increases the cytotoxicity of dasatinib independent of ABCG2 and ABCB1 expression in vitro In conclusion, elacridar improves the efficacy of dasatinib in a brainstem glioma model without significantly increasing its delivery to the tumor core. Mol Cancer Ther; 15(5); 819-29. ©2016 AACR.
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Affiliation(s)
- Rajendar K Mittapalli
- Department of Pharmaceutics, Brain Barriers Research Center, University of Minnesota, Minneapolis, Minnesota
| | - Alexander H Chung
- Department of Pediatrics, Duke University, Durham, North Carolina. Department of Pathology, Duke University, Durham, North Carolina. Preston Robert Tisch Brain Tumor Center, Durham, North Carolina
| | - Karen E Parrish
- Department of Pharmaceutics, Brain Barriers Research Center, University of Minnesota, Minneapolis, Minnesota
| | - Donna Crabtree
- Department of Pediatrics, Duke University, Durham, North Carolina. Department of Pathology, Duke University, Durham, North Carolina. Preston Robert Tisch Brain Tumor Center, Durham, North Carolina
| | - Kyle G Halvorson
- Department of Pediatrics, Duke University, Durham, North Carolina. Department of Pathology, Duke University, Durham, North Carolina. Preston Robert Tisch Brain Tumor Center, Durham, North Carolina. Department of Surgery, Division of Neurological Surgery, Duke University, Durham, North Carolina
| | - Guo Hu
- Department of Pediatrics, Duke University, Durham, North Carolina. Department of Pathology, Duke University, Durham, North Carolina. Preston Robert Tisch Brain Tumor Center, Durham, North Carolina
| | - William F Elmquist
- Department of Pharmaceutics, Brain Barriers Research Center, University of Minnesota, Minneapolis, Minnesota
| | - Oren J Becher
- Department of Pediatrics, Duke University, Durham, North Carolina. Department of Pathology, Duke University, Durham, North Carolina. Preston Robert Tisch Brain Tumor Center, Durham, North Carolina.
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46
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Wu CP, Hsieh YJ, Hsiao SH, Su CY, Li YQ, Huang YH, Huang CW, Hsieh CH, Yu JS, Wu YS. Human ATP-Binding Cassette Transporter ABCG2 Confers Resistance to CUDC-907, a Dual Inhibitor of Histone Deacetylase and Phosphatidylinositol 3-Kinase. Mol Pharm 2016; 13:784-94. [PMID: 26796063 DOI: 10.1021/acs.molpharmaceut.5b00687] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
CUDC-907 is a novel, dual-acting small molecule compound designed to simultaneously inhibit the activity of histone deacetylase (HDAC) and phosphatidylinositol 3-kinase (PI3K). Treatment with CUDC-907 led to sustained inhibition of HDAC and PI3K activity, inhibition of RAF-MEK-MAPK signaling pathway, and inhibition of cancer cell growth. CUDC-907 is currently under evaluation in phase I clinical trials in patients with lymphoma or multiple myeloma, and in patients with advanced solid tumors. However, the risk of developing acquired resistance to CUDC-907 can present a significant therapeutic challenge to clinicians in the future and should be investigated. The overexpression of ATP-binding cassette (ABC) drug transporter ABCB1, ABCC1, or ABCG2 is one of the most common mechanisms of developing multidrug resistance (MDR) in cancers and a major obstacle in chemotherapy. In this study, we reveal that ABCG2 reduces the intracellular accumulation of CUDC-907 and confers significant resistance to CUDC-907, which leads to reduced activity of CUDC-907 to inhibit HDAC and PI3K in human cancer cells. Moreover, although CUDC-907 affects the transport function of ABCG2, it was not potent enough to reverse drug resistance mediated by ABCG2 or affect the expression level of ABCG2 in human cancer cells. Taken together, our findings indicate that ABCG2-mediated CUDC-907 resistance can have serious clinical implications and should be further investigated. More importantly, we demonstrate that the activity of CUDC-907 in ABCG2-overexpressing cancer cells can be restored by inhibiting the function of ABCG2, which provides support for the rationale of combining CUDC-907 with modulators of ABCG2 to improve the pharmacokinetics and efficacy of CUDC-907 in future treatment trials.
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Affiliation(s)
| | | | | | | | | | | | - Chiun-Wei Huang
- Center for Advanced Molecular Imaging and Translation, Chang Gung Memorial Hospital , Tao-Yuan, Taiwan
| | | | | | - Yu-Shan Wu
- Department of Chemistry, Tunghai University , Taichung, Taiwan
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47
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Vine KL, Belfiore L, Jones L, Locke JM, Wade S, Minaei E, Ranson M. N-alkylated isatins evade P-gp mediated efflux and retain potency in MDR cancer cell lines. Heliyon 2016; 2:e00060. [PMID: 27441242 PMCID: PMC4945850 DOI: 10.1016/j.heliyon.2015.e00060] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2015] [Revised: 12/07/2015] [Accepted: 12/24/2015] [Indexed: 12/02/2022] Open
Abstract
The search for novel anticancer therapeutics with the ability to overcome multi-drug resistance (MDR) mechanisms is of high priority. A class of molecules that show potential in overcoming MDR are the N-alkylated isatins. In particular 5,7-dibromo-N-alkylisatins are potent microtubule destabilizing agents that act to depolymerize microtubules, induce apoptosis and inhibit primary tumor growth in vivo. In this study we evaluated the ability of four dibrominated N-alkylisatin derivatives and the parent compound, 5,7-dibromoisatin, to circumvent MDR. All of the isatin-based compounds examined retained potency against the MDR cell lines; U937VbR and MES-SA/Dx5 and displayed bioequivalent dose-dependent cytotoxicity to that of the parental control cell lines. We show that one mechanism by which the isatin-based compounds overcome MDR is by circumventing P-glycoprotein (P-gp) mediated drug efflux. Thus, as the isatin-based compounds are not susceptible to extrusion from P-gp overexpressing tumor cells, they represent a promising alternative strategy as a stand-alone or combination therapy for treating MDR cancer.
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Affiliation(s)
- Kara L Vine
- Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong, Australia; Centre for Medical and Molecular Bioscience, University of Wollongong, Wollongong, Australia; School of Biological Sciences, University of Wollongong, Wollongong, Australia
| | - Lisa Belfiore
- Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong, Australia; Centre for Medical and Molecular Bioscience, University of Wollongong, Wollongong, Australia; School of Biological Sciences, University of Wollongong, Wollongong, Australia
| | - Luke Jones
- Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong, Australia; Centre for Medical and Molecular Bioscience, University of Wollongong, Wollongong, Australia; School of Biological Sciences, University of Wollongong, Wollongong, Australia
| | - Julie M Locke
- Intelligent Polymer Research Institute, University of Wollongong, Wollongong, Australia; Australian Institute for Innovative Materials, University of Wollongong, Wollongong, Australia
| | - Samantha Wade
- Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong, Australia; Centre for Medical and Molecular Bioscience, University of Wollongong, Wollongong, Australia; School of Biological Sciences, University of Wollongong, Wollongong, Australia
| | - Elahe Minaei
- Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong, Australia; Centre for Medical and Molecular Bioscience, University of Wollongong, Wollongong, Australia; School of Biological Sciences, University of Wollongong, Wollongong, Australia
| | - Marie Ranson
- Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong, Australia; Centre for Medical and Molecular Bioscience, University of Wollongong, Wollongong, Australia; School of Biological Sciences, University of Wollongong, Wollongong, Australia
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48
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Polillo M, Galimberti S, Baratè C, Petrini M, Danesi R, Di Paolo A. Pharmacogenetics of BCR/ABL Inhibitors in Chronic Myeloid Leukemia. Int J Mol Sci 2015; 16:22811-29. [PMID: 26402671 PMCID: PMC4613337 DOI: 10.3390/ijms160922811] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2015] [Revised: 09/11/2015] [Accepted: 09/14/2015] [Indexed: 01/29/2023] Open
Abstract
Chronic myeloid leukemia was the first haematological neoplasia that benefited from a targeted therapy with imatinib nearly 15 years ago. Since then, several studies have investigated the role of genes, their variants (i.e., polymorphisms) and their encoded proteins in the pharmacokinetics and pharmacodynamics of BCR-ABL1 tyrosine kinase activity inhibitors (TKIs). Transmembrane transporters seem to influence in a significant manner the disposition of TKIs, especially that of imatinib at both cellular and systemic levels. In particular, members of the ATP-binding cassette (ABC) family (namely ABCB1 and ABCG2) together with solute carrier (SLC) transporters (i.e., SLC22A1) are responsible for the differences in drug pharmacokinetics. In the case of the newer TKIs, such as nilotinib and dasatinib, the substrate affinity of these drugs for transporters is variable but lower than that measured for imatinib. In this scenario, the investigation of genetic variants as possible predictive markers has led to some discordant results. With the partial exception of imatinib, these discrepancies seem to limit the application of discovered biomarkers in the clinical settings. In order to overcome these issues, larger prospective confirmative trials are needed.
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MESH Headings
- ATP-Binding Cassette Transporters/genetics
- ATP-Binding Cassette Transporters/metabolism
- Animals
- Biological Transport
- Drug Resistance, Neoplasm
- Fusion Proteins, bcr-abl/antagonists & inhibitors
- Humans
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/drug therapy
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/genetics
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/metabolism
- Organic Cation Transport Proteins/genetics
- Organic Cation Transport Proteins/metabolism
- Pharmacogenetics
- Protein Kinase Inhibitors/pharmacokinetics
- Protein Kinase Inhibitors/pharmacology
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Affiliation(s)
- Marialuisa Polillo
- Department of Clinical and Experimental Medicine, Section of Pharmacology, University of Pisa, Via Roma 55, 56126 Pisa, Italy.
| | - Sara Galimberti
- Department of Clinical and Experimental Medicine, Section of Hematology, University of Pisa, Via Roma 57, 56126 Pisa, Italy.
| | - Claudia Baratè
- Department of Clinical and Experimental Medicine, Section of Hematology, University of Pisa, Via Roma 57, 56126 Pisa, Italy.
| | - Mario Petrini
- Department of Clinical and Experimental Medicine, Section of Hematology, University of Pisa, Via Roma 57, 56126 Pisa, Italy.
| | - Romano Danesi
- Department of Clinical and Experimental Medicine, Section of Pharmacology, University of Pisa, Via Roma 55, 56126 Pisa, Italy.
| | - Antonello Di Paolo
- Department of Clinical and Experimental Medicine, Section of Pharmacology, University of Pisa, Via Roma 55, 56126 Pisa, Italy.
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49
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Oberoi RK, Parrish KE, Sio TT, Mittapalli RK, Elmquist WF, Sarkaria JN. Strategies to improve delivery of anticancer drugs across the blood-brain barrier to treat glioblastoma. Neuro Oncol 2015; 18:27-36. [PMID: 26359209 DOI: 10.1093/neuonc/nov164] [Citation(s) in RCA: 189] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Accepted: 07/15/2015] [Indexed: 12/21/2022] Open
Abstract
Glioblastoma (GBM) is a lethal and aggressive brain tumor that is resistant to conventional radiation and cytotoxic chemotherapies. Molecularly targeted agents hold great promise in treating these genetically heterogeneous tumors, yet have produced disappointing results. One reason for the clinical failure of these novel therapies can be the inability of the drugs to achieve effective concentrations in the invasive regions beyond the bulk tumor. In this review, we describe the influence of the blood-brain barrier on the distribution of anticancer drugs to both the tumor core and infiltrative regions of GBM. We further describe potential strategies to overcome these drug delivery limitations. Understanding the key factors that limit drug delivery into brain tumors will guide future development of approaches for enhanced delivery of effective drugs to GBM.
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Affiliation(s)
- Rajneet K Oberoi
- Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (R.K.O., K.E.P., R.K.M., W.F.E.); Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (T.T.S., J.N.S.)
| | - Karen E Parrish
- Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (R.K.O., K.E.P., R.K.M., W.F.E.); Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (T.T.S., J.N.S.)
| | - Terence T Sio
- Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (R.K.O., K.E.P., R.K.M., W.F.E.); Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (T.T.S., J.N.S.)
| | - Rajendar K Mittapalli
- Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (R.K.O., K.E.P., R.K.M., W.F.E.); Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (T.T.S., J.N.S.)
| | - William F Elmquist
- Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (R.K.O., K.E.P., R.K.M., W.F.E.); Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (T.T.S., J.N.S.)
| | - Jann N Sarkaria
- Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (R.K.O., K.E.P., R.K.M., W.F.E.); Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (T.T.S., J.N.S.)
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50
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Kort A, Sparidans RW, Wagenaar E, Beijnen JH, Schinkel AH. Brain accumulation of the EML4-ALK inhibitor ceritinib is restricted by P-glycoprotein (P-GP/ABCB1) and breast cancer resistance protein (BCRP/ABCG2). Pharmacol Res 2015; 102:200-7. [PMID: 26361725 DOI: 10.1016/j.phrs.2015.09.003] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Revised: 09/04/2015] [Accepted: 09/04/2015] [Indexed: 11/27/2022]
Abstract
We aimed to clarify the roles of the multidrug transporters ABCB1 and ABCG2 in oral availability and brain accumulation of ceritinib, an oral anaplastic lymphoma kinase (ALK) inhibitor used to treat metastatic non-small cell lung cancer (NSCLC) after progression on crizotinib. Importantly, NSCLC is prone to form brain metastases. Transport of ceritinib by human (h) ABCB1 or hABCG2 or mouse (m) Abcg2 was assessed in vitro. To study the single and combined roles of Abcb1a/1b and Abcg2 in ceritinib disposition in vivo, we used appropriate knockout mouse strains. Ceritinib was very efficiently transported by hABCB1, and efficiently by hABCG2 and mAbcg2 in vitro, and transport was specifically inhibited by the ABCB1 inhibitor zosuquidar and ABCG2 inhibitor Ko143, respectively. Absorption and 24-h oral availability were not significantly affected by the absence of Abcb1 and/or Abcg2, but the brain concentrations were greatly increased (>38-fold) in Abcb1a/1b(-/-) mice at 3 and 24h after oral administration of 20mg/kg ceritinib. The brain concentrations increased another ∼ 3-fold (to >90-fold) in Abcb1a/1b;Abcg2(-/-) mice, indicating that there was a significant additional effect of Abcg2-mediated transport of ceritinib as well in vivo. Overall, brain accumulation, but not the 24-h oral availability of ceritinib were profoundly restricted by Abcb1a/1b and Abcg2, with Abcb1a/1b being the dominant efflux protein. Our data suggest that coadministration of ceritinib with a dual ABCB1 and ABCG2 inhibitor may improve treatment of brain (micro) metastases positioned behind a functionally intact blood-brain barrier, and possibly also of tumors resistant to ceritinib due to ABCB1 or ABCG2 overexpression.
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Affiliation(s)
- Anita Kort
- Division of Molecular Oncology, The Netherlands Cancer Institute, Plesmanlaan 121, 1066CX Amsterdam, The Netherlands; Department of Pharmacy & Pharmacology, The Netherlands Cancer Institute-Antoni van Leeuwenhoek, Plesmanlaan 121, 1066CX Amsterdam, The Netherlands
| | - Rolf W Sparidans
- Division of Pharmacoepidemiology & Clinical Pharmacology, Department of Pharmaceutical Sciences, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584CG Utrecht, The Netherlands
| | - Els Wagenaar
- Division of Molecular Oncology, The Netherlands Cancer Institute, Plesmanlaan 121, 1066CX Amsterdam, The Netherlands
| | - Jos H Beijnen
- Division of Pharmacoepidemiology & Clinical Pharmacology, Department of Pharmaceutical Sciences, Faculty of Science, Utrecht University, Universiteitsweg 99, 3584CG Utrecht, The Netherlands; Department of Pharmacy & Pharmacology, The Netherlands Cancer Institute-Antoni van Leeuwenhoek, Plesmanlaan 121, 1066CX Amsterdam, The Netherlands; Department of Clinical Pharmacology, The Netherlands Cancer Institute, Plesmanlaan 121, 1066CX Amsterdam, The Netherlands
| | - Alfred H Schinkel
- Division of Molecular Oncology, The Netherlands Cancer Institute, Plesmanlaan 121, 1066CX Amsterdam, The Netherlands.
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