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Talukdar S, Das SK, Pradhan AK, Emdad L, Windle JJ, Sarkar D, Fisher PB. MDA-9/Syntenin (SDCBP) Is a Critical Regulator of Chemoresistance, Survival and Stemness in Prostate Cancer Stem Cells. Cancers (Basel) 2019; 12:cancers12010053. [PMID: 31878027 PMCID: PMC7017101 DOI: 10.3390/cancers12010053] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 12/13/2019] [Accepted: 12/17/2019] [Indexed: 12/20/2022] Open
Abstract
Despite some progress, treating advanced prostate cancer remains a major clinical challenge. Recent studies have shown that prostate cancer can originate from undifferentiated, rare, stem cell-like populations within the heterogeneous tumor mass, which play seminal roles in tumor formation, maintenance of tumor homeostasis and initiation of metastases. These cells possess enhanced propensity toward chemoresistance and may serve as a prognostic factor for prostate cancer recurrence. Despite extensive studies, selective targeted therapies against these stem cell-like populations are limited and more detailed experiments are required to develop novel targeted therapeutics. We now show that MDA-9/Syntenin/SDCBP (MDA-9) is a critical regulator of survival, stemness and chemoresistance in prostate cancer stem cells (PCSCs). MDA-9 regulates the expression of multiple stem-regulatory genes and loss of MDA-9 causes a complete collapse of the stem-regulatory network in PCSCs. Loss of MDA-9 also sensitizes PCSCs to multiple chemotherapeutics with different modes of action, such as docetaxel and trichostatin-A, suggesting that MDA-9 may regulate multiple drug resistance. Mechanistically, MDA-9-mediated multiple drug resistance, stemness and survival are regulated in PCSCs through activation of STAT3. Activated STAT3 regulates chemoresistance in PCSCs through protective autophagy as well as regulation of MDR1 on the surface of the PCSCs. We now demonstrate that MDA-9 is a critical regulator of PCSC survival and stemness via exploiting the inter-connected STAT3 and c-myc pathways.
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Affiliation(s)
- Sarmistha Talukdar
- Department of Human and Molecular Genetics, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA; (S.T.); (S.K.D.); (A.K.P.); (L.E.); (J.J.W.); (D.S.)
- VCU Institute of Molecular Medicine, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Swadesh K. Das
- Department of Human and Molecular Genetics, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA; (S.T.); (S.K.D.); (A.K.P.); (L.E.); (J.J.W.); (D.S.)
- VCU Institute of Molecular Medicine, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
- VCU Massey Cancer Center, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Anjan K. Pradhan
- Department of Human and Molecular Genetics, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA; (S.T.); (S.K.D.); (A.K.P.); (L.E.); (J.J.W.); (D.S.)
- VCU Institute of Molecular Medicine, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Luni Emdad
- Department of Human and Molecular Genetics, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA; (S.T.); (S.K.D.); (A.K.P.); (L.E.); (J.J.W.); (D.S.)
- VCU Institute of Molecular Medicine, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
- VCU Massey Cancer Center, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Jolene J. Windle
- Department of Human and Molecular Genetics, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA; (S.T.); (S.K.D.); (A.K.P.); (L.E.); (J.J.W.); (D.S.)
- VCU Institute of Molecular Medicine, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
- VCU Massey Cancer Center, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Devanand Sarkar
- Department of Human and Molecular Genetics, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA; (S.T.); (S.K.D.); (A.K.P.); (L.E.); (J.J.W.); (D.S.)
- VCU Institute of Molecular Medicine, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
- VCU Massey Cancer Center, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Paul B. Fisher
- Department of Human and Molecular Genetics, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA; (S.T.); (S.K.D.); (A.K.P.); (L.E.); (J.J.W.); (D.S.)
- VCU Institute of Molecular Medicine, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
- VCU Massey Cancer Center, School of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA
- Correspondence: ; Tel.: +1-804-628-3506 or +1-804-628-3336; Fax: +1-804-827-1124
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Wang C, Wang X, Sun Y, Taouil AK, Yan S, Botchkina GI, Ojima I. Design, synthesis and SAR study of 3rd-generation taxoids bearing 3-CH 3, 3-CF 3O and 3-CHF 2O groups at the C2-benzoate position. Bioorg Chem 2019; 95:103523. [PMID: 31911305 DOI: 10.1016/j.bioorg.2019.103523] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 12/18/2019] [Accepted: 12/18/2019] [Indexed: 12/11/2022]
Abstract
It has been shown that inclusion of CF3O and CHF2O groups to drug candidates often improve their pharmacological properties, especially metabolic stability, membrane permeability and PK profile. Moreover, the unique non-spherical structure of the OCHF2 group can provide interesting and beneficial characteristics. Accordingly, new 3rd-generation taxoids, bearing 3-OCF3 or 3-OCF2H (and 3-CH3 for comparison) at the C2 benzoate moiety, were synthesized and their potencies against drug-sensitive and drug-resistant cancer cell lines examined. In this study, our previous SAR studies on 3rd-generation taxoids were expanded to disclose that CH3, CF3O and CHF2O groups are well tolerated at this position and enhance potency, especially against MDR-cancer cell lines so that these taxoids can virtually overcome MDR. These new taxoids exhibit up to 7 times higher cytotoxicity (IC50) than paclitaxel against drug-sensitive cancer cell lines (MCF7 and LCC6-WT) and 2-3 orders of magnitude higher potency than paclitaxel against drug-resistant ovarian, breast and colon cancer cell lines with MDR-phenotype (NCI/ADR, LCC6-MDR and LDL-1), as well as pancreatic cancer cell line, CFPAC-1. Since it has been shown that a bulky group at this position reduces potency, it is noteworthy that rather bulky CF3O and CHF2O groups are well tolerated. Molecular modeling analysis indicated the favorable van der Waals interactions of CF3O and CHF2O groups in the binding site. It is also worthy of note that new taxoids, bearing a CHF2O group at the C2 benzoate position (1-06 series), exhibited the highest potencies against MDR-cancer cell lines and cancer stem cell (CSC)-enriched cancer cell lines. These new 3rd-generation taxoids are promising candidates for highly potent chemotherapeutic agents, as well as payloads for tumor-targeting drug conjugates such as antibody-drug conjugates (ADCs).
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Affiliation(s)
- Changwei Wang
- Department of Chemistry, Stony Brook University, Stony Brook, NY 11794-3400, USA; Institute of Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, NY 11794-3400, USA; Drug Discovery Pipeline, Guangzhou Institute of Biomedicine and Health, Chinese Academy of Science, Guangzhou 510530, China
| | - Xin Wang
- Department of Chemistry, Stony Brook University, Stony Brook, NY 11794-3400, USA; Institute of Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, NY 11794-3400, USA
| | - Yi Sun
- Department of Chemistry, Stony Brook University, Stony Brook, NY 11794-3400, USA; Institute of Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, NY 11794-3400, USA
| | - Adam K Taouil
- Department of Chemistry, Stony Brook University, Stony Brook, NY 11794-3400, USA
| | - Su Yan
- Department of Chemistry, Stony Brook University, Stony Brook, NY 11794-3400, USA; Institute of Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, NY 11794-3400, USA
| | - Galina I Botchkina
- Institute of Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, NY 11794-3400, USA; Department of Pathology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794-3400, USA
| | - Iwao Ojima
- Department of Chemistry, Stony Brook University, Stony Brook, NY 11794-3400, USA; Institute of Chemical Biology and Drug Discovery, Stony Brook University, Stony Brook, NY 11794-3400, USA.
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Soussa RW, Woodward A, Marty M, Cannon CM. Breed is associated with the ABCB1-1Δ mutation in Australian dogs. Aust Vet J 2019; 98:79-83. [PMID: 31743433 DOI: 10.1111/avj.12896] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 10/18/2019] [Accepted: 10/29/2019] [Indexed: 11/29/2022]
Abstract
OBJECTIVE The ABCB1 gene encodes P-glycoprotein (P-gp), a cellular membrane pump. One functional mutation that leads to expression of a less functional form of P-gp, ABCB1-1Δ, has been described in dogs. Individuals with this mutation can have severe adverse reactions to common veterinary pharmaceuticals that are known substrates of this pump. We investigated the detection of this mutation in samples submitted to two Australian diagnostic laboratories. METHODS A total of 4842 dogs across 27 breeds were tested for the ABCB1-1Δ mutation from buccal swabs or EDTA blood using standard PCR, multiplex PCR, or genotyping chip. Statistical analysis was applied to determine the proportions and odds ratios of the ABCB1-1Δ mutation in herding breeds compared with non-herding breeds. RESULTS The ABCB1-1Δ mutation was detected in nine breeds. The most commonly affected breeds were collies, Australian shepherds, white Swiss shepherds, and Shetland sheepdogs. Of 32 dogs in 18 non-herding breeds tested, one cocker spaniel and one labradoodle were positive for the mutation, both heterozygous. CONCLUSION The most frequently affected breeds for ABCB1-1Δ mutation are the collie, Australian shepherd, white Swiss shepherd and Shetland sheepdog. As the mutation is associated with an increased incidence of adverse reactions to commonly used pharmaceuticals, veterinarians need to be aware of the breeds at most risk of carrying this mutation and consider testing these individuals prior to administering these medications.
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Affiliation(s)
- R W Soussa
- Internal Medicine Department, Southpaws Specialty Surgery for Animals, Moorabbin, Victoria, 3189, Australia
| | - A Woodward
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Werribee, Victoria, 3030, Australia
| | - M Marty
- Genetic Testing Division, Genomic Diagnostics, Heidelberg, Victoria, 3084, Australia
| | - C M Cannon
- Department of Veterinary Clinical Sciences, Melbourne Veterinary School, The University of Melbourne, Werribee, Victoria, 3030, Australia
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Ma X, Liang AL, Liu YJ. Research progress on the relationship between lung cancer drug-resistance and microRNAs. J Cancer 2019; 10:6865-6875. [PMID: 31839821 PMCID: PMC6909942 DOI: 10.7150/jca.31952] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Accepted: 09/13/2019] [Indexed: 02/07/2023] Open
Abstract
Lung cancer, a malignant tumor with the highest death rate of cancer, seriously endangers human health. And its pathogenesis and mechanism of drug resistance has been partially clarified, especially for the signal pathway of epidermal growth factor receptor (EGFR). The targeting therapy of EGFR signaling pathway in non-small cell lung cancer (NSCLC) has achieved a certain effect, but the two mutation of EGFR and other mechanisms of lung cancer resistance still greatly reduce the therapeutic effect of chemotherapy on it. MicroRNA is an endogenous non coding RNA, which has a regulatory function after transcriptional level. Recent studies on the mechanism of lung cancer resistance have found that a variety of microRNAs are related to the mechanism of lung cancer drug-resistance. They can regulate lung cancer resistance by participating in signal pathways, drug resistance genes and cell apoptosis, thus affecting the sensitivity of cancer cells to drugs. Therefore, microRNAs can be used as a specific target for the treatment of lung cancer and plays a vital role in the early diagnosis, prognosis and treatment of lung cancer. This article reviews the mechanisms of lung cancer resistance and its relationship with microRNAs.
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Affiliation(s)
| | | | - Yong-Jun Liu
- Medical Molecular Diagnostics Key Laboratory of Guangdong & Departments of Biochemistry and Molecular Biology & Departments of Clinical Biochemistry, Guangdong Medical University, 523808, Dongguan, Guangdong, P.R. China
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Uremic serum residue decreases SN-38 sensitivity through suppression of organic anion transporter polypeptide 2B1 in LS-180 colon cancer cells. Sci Rep 2019; 9:15464. [PMID: 31664047 PMCID: PMC6820778 DOI: 10.1038/s41598-019-51640-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 09/20/2019] [Indexed: 11/08/2022] Open
Abstract
Pharmacokinetics of SN-38 in patients with end-stage kidney disease (ESKD) is partially varied because of fluctuations in transporters expression and/or function by high protein bound-uremic toxins concentration. The fluctuations may induce variations in anticancer drugs sensitivity to cancer cells. We aimed to clarify the variations in sensitivity of SN-38 to cancer patients with ESKD and investigate this mechanism, by human colon cancer cells exposed to uremic serum residue. LS180 cells were exposed to normal or uremic serum residue (LS/NSR or LS/USR cells) for a month. IC50 values of SN-38 in LS/NSR or LS/USR cells were calculated from viability of each cells treated SN-38. mRNA expression and intracellular SN-38 accumulation was evaluated by RT-PCR and HPLC-fluorescence methods, respectively. The IC50 value in LS/USR cells was higher than that in LS/NSR cells. Organic anion transporter polypeptide (OATP) 2B1 mRNA expression was lower in LS/USR cells than in LS/NSR cells, and SN-38 accumulation in LS/USR cells was lower than that in LS/NSR cells. Only co-treatment baicalin, which is OATP2B1 inhibitor, almost negated the difference in SN-38 accumulation between LS/NSR and LS/USR. Anticancer effects of substrates of OATP2B1, such as SN-38, were reduced in ESKD patients at the same plasma substrate concentration.
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56
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Li WJ, Chen XH, Zeng JC, Duan LL, Liu ZH, Sheng XH. Theoretical insight into the multiple interactions of quinazoline inhibitors with breast cancer resistance protein (BCRP/ABCG2). J Biomol Struct Dyn 2019; 38:4336-4343. [DOI: 10.1080/07391102.2019.1677503] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Wen-Jing Li
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan, China
| | - Xin-Hui Chen
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan, China
| | - Jia-Cheng Zeng
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan, China
| | - Li-Li Duan
- School of Physics and Electronics, Shandong Normal University, Jinan, China
| | - Zhao-Hua Liu
- Center for New Drug Safety Evaluation, School of Pharmaceutical Sciences of Shandong University, Jinan, China
| | - Xie-Huang Sheng
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan, China
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Rivas M, Pelechà M, Franco L, Turon P, Alemán C, Del Valle LJ, Puiggalí J. Incorporation of Chloramphenicol Loaded Hydroxyapatite Nanoparticles into Polylactide. Int J Mol Sci 2019; 20:ijms20205056. [PMID: 31614695 PMCID: PMC6834152 DOI: 10.3390/ijms20205056] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Revised: 10/02/2019] [Accepted: 10/10/2019] [Indexed: 11/16/2022] Open
Abstract
Chloramphenicol (CAM) has been encapsulated into hydroxyapatite nanoparticles displaying different morphologies and crystallinities. The process was based on typical precipitation of solutions containing phosphate and calcium ions and the addition of CAM once the hydroxyapatite nuclei were formed. This procedure favored a disposition of the drug into the bulk parts of the nanoparticles and led to a fast release in aqueous media. Clear antibacterial activity was derived, being slightly higher for the amorphous samples due to their higher encapsulation efficiency. Polylactide (PLA) microfibers incorporating CAM encapsulated in hydroxyapatite nanoparticles were prepared by the electrospinning technique and under optimized conditions. Drug release experiments demonstrated that only a small percentage of the loaded CAM could be delivered to an aqueous PBS medium. This amount was enough to render an immediate bacteriostatic effect without causing a cytotoxic effect on osteoblast-like, fibroblasts, and epithelial cells. Therefore, the prepared scaffolds were able to retain CAM-loaded nanoparticles, being a reservoir that should allow a prolonged release depending on the polymer degradation rate. The studied system may have promising applications for the treatment of cancer since CAM has been proposed as a new antitumor drug.
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Affiliation(s)
- Manuel Rivas
- Chemical Engineering Department, Escola d'Enginyeria de Barcelona Est-EEBE, Universitat Politècnica de Catalunya, Av. Eduard Maristany 10-14, Ed I-2, 08019 Barcelona, Spain.
| | - Marc Pelechà
- Chemical Engineering Department, Escola d'Enginyeria de Barcelona Est-EEBE, Universitat Politècnica de Catalunya, Av. Eduard Maristany 10-14, Ed I-2, 08019 Barcelona, Spain.
| | - Lourdes Franco
- Chemical Engineering Department, Escola d'Enginyeria de Barcelona Est-EEBE, Universitat Politècnica de Catalunya, Av. Eduard Maristany 10-14, Ed I-2, 08019 Barcelona, Spain.
- Barcelona Research Center for Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Av. Eduard Maristany 10-14, 08019 Barcelona, Spain.
| | - Pau Turon
- B.Braun Surgical, S.A., Carretera de Terrassa 121, 08191 Rubí (Barcelona), Spain.
| | - Carlos Alemán
- Chemical Engineering Department, Escola d'Enginyeria de Barcelona Est-EEBE, Universitat Politècnica de Catalunya, Av. Eduard Maristany 10-14, Ed I-2, 08019 Barcelona, Spain.
- Barcelona Research Center for Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Av. Eduard Maristany 10-14, 08019 Barcelona, Spain.
| | - Luis J Del Valle
- Chemical Engineering Department, Escola d'Enginyeria de Barcelona Est-EEBE, Universitat Politècnica de Catalunya, Av. Eduard Maristany 10-14, Ed I-2, 08019 Barcelona, Spain.
- Barcelona Research Center for Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Av. Eduard Maristany 10-14, 08019 Barcelona, Spain.
| | - Jordi Puiggalí
- Chemical Engineering Department, Escola d'Enginyeria de Barcelona Est-EEBE, Universitat Politècnica de Catalunya, Av. Eduard Maristany 10-14, Ed I-2, 08019 Barcelona, Spain.
- Barcelona Research Center for Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Av. Eduard Maristany 10-14, 08019 Barcelona, Spain.
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Duan YT, Sangani CB, Liu W, Soni KV, Yao Y. New Promises to Cure Cancer and Other Genetic Diseases/Disorders: Epi-drugs Through Epigenetics. Curr Top Med Chem 2019; 19:972-994. [DOI: 10.2174/1568026619666190603094439] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 05/05/2019] [Accepted: 05/27/2019] [Indexed: 12/13/2022]
Abstract
All the heritable alterations in gene expression and chromatin structure due to chemical modifications that do not involve changes in the primary gene nucleotide sequence are referred to as epigenetics. DNA methylation, histone modifications, and non-coding RNAs are distinct types of epigenetic inheritance. Epigenetic patterns have been linked to the developmental stages, environmental exposure, and diet. Therapeutic strategies are now being developed to target human diseases such as cancer with mutations in epigenetic regulatory genes using specific inhibitors. Within the past two decades, seven epigenetic drugs have received regulatory approval and many others show their candidature in clinical trials. The current article represents a review of epigenetic heritance, diseases connected with epigenetic alterations and regulatory approved epigenetic drugs as future medicines.
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Affiliation(s)
- Yong-Tao Duan
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases, Zhengzhou Children's Hospital, Zhengzhou University, Zhengzhou 450018, China
| | - Chetan B. Sangani
- Shri Maneklal M. Patel Institute of Sciences and Research, Kadi Sarva Vishwavidyalaya University, Gandhinagar, Gujarat, 362024, India
| | - Wei Liu
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases, Zhengzhou Children's Hospital, Zhengzhou University, Zhengzhou 450018, China
| | - Kunjal V. Soni
- Shri Maneklal M. Patel Institute of Sciences and Research, Kadi Sarva Vishwavidyalaya University, Gandhinagar, Gujarat, 362024, India
| | - Yongfang Yao
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Zhengzhou University, Zhengzhou, 450001, China
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Villanueva S, Zhang W, Zecchinati F, Mottino A, Vore M. ABC Transporters in Extrahepatic Tissues: Pharmacological Regulation in Heart and Intestine. Curr Med Chem 2019; 26:1155-1184. [PMID: 29589524 DOI: 10.2174/0929867325666180327092639] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 02/26/2018] [Accepted: 03/09/2018] [Indexed: 12/17/2022]
Abstract
ATP binding cassette (ABC) transporters are transmembrane proteins expressed in secretory epithelia like the liver, kidneys and intestine, in the epithelia exhibiting barrier function such as the blood-brain barrier and placenta, and to a much lesser extent, in tissues like reproductive organs, lungs, heart and pancreas, among others. They regulate internal distribution of endogenous metabolites and xenobiotics including drugs of therapeutic use and also participate in their elimination from the body. We here describe the function and regulation of ABC transporters in the heart and small intestine, as examples of extrahepatic tissues, in which ABC proteins play clearly different roles. In the heart, they are involved in tissue pathogenesis as well as in protecting this organ against toxic compounds and druginduced oxidative stress. The small intestine is highly exposed to therapeutic drugs taken orally and, consequently, ABC transporters localized on its surface strongly influence drug absorption and pharmacokinetics. Examples of the ABC proteins currently described are Multidrug Resistance-associated Proteins 1 and 2 (MRP1 and 2) for heart and small intestine, respectively, and P-glycoprotein (P-gp) and Breast Cancer Resistance Protein (BCRP) for both organs.
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Affiliation(s)
- Silvina Villanueva
- Instituto de Fisiologia Experimental, Facultad de Ciencias Bioquimicas y Farmaceuticas, CONICET-UNR. 2000 Rosario, Argentina
| | - Wei Zhang
- Department of Toxicology & Cancer Biology, University of Kentucky, Lexington, KY 40536-0305, United States
| | - Felipe Zecchinati
- Instituto de Fisiologia Experimental, Facultad de Ciencias Bioquimicas y Farmaceuticas, CONICET-UNR. 2000 Rosario, Argentina
| | - Aldo Mottino
- Instituto de Fisiologia Experimental, Facultad de Ciencias Bioquimicas y Farmaceuticas, CONICET-UNR. 2000 Rosario, Argentina
| | - Mary Vore
- Department of Toxicology & Cancer Biology, University of Kentucky, Lexington, KY 40536-0305, United States
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Ceballos MP, Rigalli JP, Ceré LI, Semeniuk M, Catania VA, Ruiz ML. ABC Transporters: Regulation and Association with Multidrug Resistance in Hepatocellular Carcinoma and Colorectal Carcinoma. Curr Med Chem 2019; 26:1224-1250. [PMID: 29303075 DOI: 10.2174/0929867325666180105103637] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 10/19/2017] [Accepted: 11/21/2017] [Indexed: 02/07/2023]
Abstract
For most cancers, the treatment of choice is still chemotherapy despite its severe adverse effects, systemic toxicity and limited efficacy due to the development of multidrug resistance (MDR). MDR leads to chemotherapy failure generally associated with a decrease in drug concentration inside cancer cells, frequently due to the overexpression of ABC transporters such as P-glycoprotein (P-gp/MDR1/ABCB1), multidrug resistance-associated proteins (MRPs/ABCCs), and breast cancer resistance protein (BCRP/ABCG2), which limits the efficacy of chemotherapeutic drugs. The aim of this review is to compile information about transcriptional and post-transcriptional regulation of ABC transporters and discuss their role in mediating MDR in cancer cells. This review also focuses on drug resistance by ABC efflux transporters in cancer cells, particularly hepatocellular carcinoma (HCC) and colorectal carcinoma (CRC) cells. Some aspects of the chemotherapy failure and future directions to overcome this problem are also discussed.
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Affiliation(s)
- María Paula Ceballos
- Institute of Experimental Physiology, Faculty of Biochemical and Pharmaceutical Science, Rosario National University, Rosario, Argentina
| | - Juan Pablo Rigalli
- Institute of Experimental Physiology, Faculty of Biochemical and Pharmaceutical Science, Rosario National University, Rosario, Argentina.,Department of Clinical Pharmacology and Pharmacoepidemiology, University of Heidelberg, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany
| | - Lucila Inés Ceré
- Institute of Experimental Physiology, Faculty of Biochemical and Pharmaceutical Science, Rosario National University, Rosario, Argentina
| | - Mariana Semeniuk
- Institute of Experimental Physiology, Faculty of Biochemical and Pharmaceutical Science, Rosario National University, Rosario, Argentina
| | - Viviana Alicia Catania
- Institute of Experimental Physiology, Faculty of Biochemical and Pharmaceutical Science, Rosario National University, Rosario, Argentina
| | - María Laura Ruiz
- Institute of Experimental Physiology, Faculty of Biochemical and Pharmaceutical Science, Rosario National University, Rosario, Argentina
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Briz O, Perez-Silva L, Al-Abdulla R, Abete L, Reviejo M, Romero MR, Marin JJG. What "The Cancer Genome Atlas" database tells us about the role of ATP-binding cassette (ABC) proteins in chemoresistance to anticancer drugs. Expert Opin Drug Metab Toxicol 2019; 15:577-593. [PMID: 31185182 DOI: 10.1080/17425255.2019.1631285] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Introduction: Chemotherapy remains the only option for advanced cancer patients when other alternatives are not feasible. Nevertheless, the success rate of this type of therapy is often low due to intrinsic or acquired mechanisms of chemoresistance. Among them, drug extrusion from cancer cells through ATP-binding cassette (ABC) proteins plays an important role. ABC pumps are primary active transporters involved in the barrier and secretory functions of many healthy cells. Areas covered: In this review, we have used The Cancer Genome Atlas (TCGA) database to explore the relationship between the expression of the major ABC proteins involved in cancer chemoresistance in the most common types of cancer, and the drugs used in the treatment of these tumors that are substrates of these pumps. Expert opinion: From unicellular organisms to humans, several ABC proteins play a major role in detoxification processes. Cancer cells exploit this ability to protect themselves from cytostatic drugs. Among the ABC pumps, MDR1, MRPs and BCRP are able to export many antitumor drugs and are expressed in several types of cancer, and further up-regulated during treatment. This event results in the enhanced ability of tumor cells to reduce intracellular drug concentrations and hence the pharmacological effect of chemotherapy.
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Affiliation(s)
- Oscar Briz
- a Experimental Hepatology and Drug Targeting (HEVEFARM) , University of Salamanca, IBSAL , Salamanca , Spain.,b Center for the Study of Liver and Gastrointestinal Diseases (CIBERehd) , Carlos III National Institute of Health , Madrid , Spain
| | - Laura Perez-Silva
- a Experimental Hepatology and Drug Targeting (HEVEFARM) , University of Salamanca, IBSAL , Salamanca , Spain
| | - Ruba Al-Abdulla
- a Experimental Hepatology and Drug Targeting (HEVEFARM) , University of Salamanca, IBSAL , Salamanca , Spain
| | - Lorena Abete
- c Department of Physiology and Pharmacology "V. Erspamer" , Sapienza University of Rome , Rome , Italy
| | - Maria Reviejo
- a Experimental Hepatology and Drug Targeting (HEVEFARM) , University of Salamanca, IBSAL , Salamanca , Spain
| | - Marta R Romero
- a Experimental Hepatology and Drug Targeting (HEVEFARM) , University of Salamanca, IBSAL , Salamanca , Spain.,b Center for the Study of Liver and Gastrointestinal Diseases (CIBERehd) , Carlos III National Institute of Health , Madrid , Spain
| | - Jose J G Marin
- a Experimental Hepatology and Drug Targeting (HEVEFARM) , University of Salamanca, IBSAL , Salamanca , Spain.,b Center for the Study of Liver and Gastrointestinal Diseases (CIBERehd) , Carlos III National Institute of Health , Madrid , Spain
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Abstract
Cancer is the second leading cause of death in the US. Current major treatments for cancer management include surgery, cytotoxic chemotherapy, targeted therapy, radiation therapy, endocrine therapy and immunotherapy. Despite the endeavors and achievements made in treating cancers during the past decades, resistance to classical chemotherapeutic agents and/or novel targeted drugs continues to be a major problem in cancer therapies. Drug resistance, either existing before treatment (intrinsic) or generated after therapy (acquired), is responsible for most relapses of cancer, one of the major causes of death of the disease. Heterogeneity among patients and tumors, and the versatility of cancer to circumvent therapies make drug resistance more challenging to deal with. Better understanding the mechanisms of drug resistance is required to provide guidance to future cancer treatment and achieve better outcomes. In this review, intrinsic and acquired resistance will be discussed. In addition, new discoveries in mechanisms of drug resistance will be reviewed. Particularly, we will highlight roles of ATP in drug resistance by discussing recent findings of exceptionally high levels of intratumoral extracellular ATP as well as intracellular ATP internalized from extracellular environment. The complexity of drug resistance development suggests that combinational and personalized therapies, which should take ATP into consideration, might provide better strategies and improved efficacy for fighting drug resistance in cancer.
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Affiliation(s)
- Xuan Wang
- Department of Biological Sciences, Ohio University, Athens, OH 45701, USA.,Interdisciplinary Graduate Program in Molecular and Cellular Biology, Ohio University, Athens, OH 45701, USA.,The Edison Biotechnology Institute, Ohio University, Athens, OH 45701, USA
| | - Haiyun Zhang
- Department of Biological Sciences, Ohio University, Athens, OH 45701, USA.,Interdisciplinary Graduate Program in Molecular and Cellular Biology, Ohio University, Athens, OH 45701, USA.,The Edison Biotechnology Institute, Ohio University, Athens, OH 45701, USA
| | - Xiaozhuo Chen
- Department of Biological Sciences, Ohio University, Athens, OH 45701, USA.,Interdisciplinary Graduate Program in Molecular and Cellular Biology, Ohio University, Athens, OH 45701, USA.,The Edison Biotechnology Institute, Ohio University, Athens, OH 45701, USA.,Department of Chemistry and Biochemistry, Ohio University, Athens, OH 45701, USA.,Department of Biomedical Sciences, Heritage College of Osteopathic, Ohio University, Athens, OH 45701, USA
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63
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Mlejnek P, Kosztyu P, Dolezel P, Kimura Y, Cizkova K, Ruzickova E. Estimation of ABCB1 concentration in plasma membrane. J Cell Biochem 2019; 120:18406-18414. [PMID: 31209929 DOI: 10.1002/jcb.29157] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 05/16/2019] [Accepted: 05/22/2019] [Indexed: 01/13/2023]
Abstract
The interaction between ABCB1 transporter and its substrates takes place in cell membranes but the available data precludes quantitative analysis of the interaction between transporter and substrate molecules. Further, the amount of transporter is usually expressed as a number of ABCB1 molecules per cell. In contrast, the substrate concentration in cell membranes is estimated by determination of substrate-lipid partition coefficient, as examples. In this study, we demonstrate an approach, which enables us to estimate the concentration of ABCB1 molecules within plasma membranes. For this purpose, human leukemia K562 cells with varying expression levels of ABCB1 were used: drug selected K562/Dox and K562/HHT cells with very high transporter expression, and K562/DoxDR2, K562/DoxDR1, and K562/DoxDR05 cells with gradually decreased expression of ABCB1 derived from K562/Dox cells using RNA interference technology. First, we determined the absolute amount of ABCB1 in cell lysates using immunoblotting and recombinant ABCB1 as a standard. We then determined the relative portion of transporter residing in the plasma membrane using immunohistochemistry in nonpermeabilized and permeabilized cells. These results enabled us to estimate the concentration of ABCB1 in the plasma membrane in resistant cells. The ABCB1 concentrations in the plasma membrane of drug selected K562/Dox and K562/HHT cells containing the highest amount of transporter reached millimolar levels. Concentrations of ABCB1 in the plasma membrane of resistant K562/DoxDR2, K562/DoxDR1, and K562/DoxDR05 cells with lower transporter expression were proportionally decreased.
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Affiliation(s)
- Petr Mlejnek
- Department of Anatomy, Faculty of Medicine and Dentistry, Palacky University Olomouc, Olomouc, Czech Republic
| | - Petr Kosztyu
- Department of Anatomy, Faculty of Medicine and Dentistry, Palacky University Olomouc, Olomouc, Czech Republic
| | - Petr Dolezel
- Department of Anatomy, Faculty of Medicine and Dentistry, Palacky University Olomouc, Olomouc, Czech Republic
| | - Yasuhisa Kimura
- Laboratory of Cellular Biochemistry, Division of Applied Sciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Katerina Cizkova
- Department of Histology and Embryology, Faculty of Medicine and Dentistry, Palacky University Olomouc, Olomouc, Czech Republic
| | - Eliska Ruzickova
- Department of Anatomy, Faculty of Medicine and Dentistry, Palacky University Olomouc, Olomouc, Czech Republic
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64
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Prajoko YW, Aryandono T. The Effect of P-Glycoprotein (P-gp), Nuclear Factor-Kappa B (Nf-κb), and Aldehyde Dehydrogenase-1 (ALDH-1) Expression on Metastases, Recurrence and Survival in Advanced Breast Cancer Patients. Asian Pac J Cancer Prev 2019; 20:1511-1518. [PMID: 31128056 PMCID: PMC6857879 DOI: 10.31557/apjcp.2019.20.5.1511] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Objective: To investigate the level of three drug resistance proteins; P-glycoprotein 1 (P-gp), nuclear factor
kappa-light-chain-enhancer of activated B cells (NF-κB) and aldehyde dehydrogenase isoform 1 (ALDH1) expression
and their relationship to metastasis, recurrence and survival in advanced breast cancer patients that received neoadjuvant
chemotherapy. Methods: This study is a combination of prospective and retrospective cohort study involving one
hundred and thirty one cases of advanced stage invasive breast cancer that have received neoadjuvant chemotherapy.
Initial biopsy specimens (incisional biopsy or core biopsy) were taken from paraffin blocks. Immunohistochemistry
(IHC) was used to detect P-gp, NF-κB, and ALDH1 expression. Prospectively analysed patients were followed for five
years and evaluated for recurrence and death. Results: The expression of P-gp has no significant statistical correlation
to metastases (p = 0.659), recurrence (p = 0.862) and survival (p = 0.835) in advanced stage breast cancer patients
who received neoadjuvant chemotherapy. Similarly, ALDH1 was not correlated to metastases (p=0.120), recurrence
(p = 0.186) and survival (p = 0.254) statistically. We found that NF-κB expression showed a significant correlation to
metastases (p=0.004), recurrence (p = 0.016) and overall survival (p = 0.041) in advanced stage breast cancer patients
after neoadjuvant chemotherapy. Conclusion: NF-κB expression is a potential marker that can be used to assess or
to predict increasing risk of metastases, recurrence and survival in advanced stage breast cancer patients who receive
neoadjuvant chemotherapy.
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Affiliation(s)
- Yan Wisnu Prajoko
- Department of Oncologic Surgery, Faculty of Medicine, Universitas Diponegoro, Semarang, Indonesia.
| | - Teguh Aryandono
- Department of Oncologic Surgery, Faculty of Medicine, Universitas Diponegoro, Semarang, Indonesia.
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65
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Wang Y, Liu M, Zhang J, Liu Y, Kopp M, Zheng W, Xiao S. Multidrug Resistance Protein 1 Deficiency Promotes Doxorubicin-Induced Ovarian Toxicity in Female Mice. Toxicol Sci 2019; 163:279-292. [PMID: 29462422 DOI: 10.1093/toxsci/kfy038] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Multidrug resistance protein 1 (MDR1), a phase III drug transporter that exports substrates out of cells, has been discovered in both cancerous and normal tissues. The over expression of MDR1 in cancer cells contributes to multiple drug resistance, whereas the MDR1 in normal tissues protects them from chemical-induced toxicity. Currently, the role of MDR1 in the ovary has not been entirely understood. Our objective is to determine the function of MDR1 in protecting against chemotherapy-induced ovarian toxicity. Using both the in vivo transgenic mouse model and in vitro follicle culture model, we investigated the expression of MDR1 in the ovary, the effect of MDR1 deficiency on doxorubicin (DOX)-induced ovarian toxicity, and the ovarian steroid hormonal regulation of MDR1. Results showed that the MDR1 was expressed in the ovarian epithelial cells, stroma cells, theca cell layers, endothelial cells, and luteal cells. The lack of MDR1 did not affect female ovarian function and fertility; however, its deficiency significantly exacerbated the DOX-induced ovarian toxicity in both in vivo and in vitro models. The MDR1 showed significantly higher expression levels in the ovaries at estrus and metestrus stages than those at proestrus and diestrus stages. However, this dynamic expression pattern was not regulated by the ovarian steroid hormones of estrogen (E2) and progesterone (P4) but correlated to the number and status of corpus luteum. In conclusion, our study demonstrates that the lack of MDR1 promotes DOX-induced ovarian toxicity, suggesting the critical role of MDR1 in protecting female ovarian functions during chemotherapy.
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Affiliation(s)
- Yingzheng Wang
- Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina 29208
| | - Mingjun Liu
- Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina 29208
| | - Jiyang Zhang
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611
| | - Yuwen Liu
- Department of Human Genetics, The University of Chicago, Chicago, Illinois 60637
| | - Megan Kopp
- Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina 29208
| | - Weiwei Zheng
- Key Laboratory of Public Health Safety, Ministry of Education, Department of Environmental Health, School of Public Health, Institution for Water Pollution and Health Research, Fudan University, Shanghai 20032, China
| | - Shuo Xiao
- Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina 29208
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66
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Hodge G, Hodge S. Therapeutic Targeting Steroid Resistant Pro-Inflammatory NK and NKT-Like Cells in Chronic Inflammatory Lung Disease. Int J Mol Sci 2019; 20:ijms20061511. [PMID: 30917554 PMCID: PMC6471110 DOI: 10.3390/ijms20061511] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 03/05/2019] [Accepted: 03/21/2019] [Indexed: 11/21/2022] Open
Abstract
The innate immune system drives the initiation of inflammation and progression to chronic inflammation in two important chronic inflammatory lung diseases involving the small airways, chronic obstructive pulmonary disease (COPD) and bronchiolitis obliterans syndrome (BOS), following lung transplantation. Recently natural killer T cell like (NKT-like) cells, which represent a bridge between the innate and adaptive immune response as well as the innate natural killer cell (NK) cells, have been shown to be important cells in these two chronic lung diseases. Importantly these cells have been shown to be resistant to commonly used anti-inflammatory drugs such as glucocorticoids and as such their inflammatory nature has been difficult to suppress. Mechanisms leading to steroid resistance in both diseases has recently been shown. Glucocorticoids switch off inflammatory genes by first entering the cell and binding to glucocorticoid receptors (GCRs). The steroid-GCR complex must then be chaperoned into the nucleus via several heat shock proteins, where they engage histone deacetylase 2 to switch off pro-inflammatory gene transcription. Many of these mechanisms are altered in NK and NKT-like cells in COPD and BOS requiring novel intervention using combinations of currently available drugs. Evidence will be presented to show how these drugs can overcome these mechanisms of drug resistance ex vivo advising novel therapeutic strategies for the treatment these two important chronic inflammatory lung diseases.
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Affiliation(s)
- Greg Hodge
- Lung Research Unit, Department of Thoracic Medicine, Royal Adelaide Hospital, Adelaide 5001, Australia.
- Department of Medicine, University of Adelaide, Adelaide 5001, Australia.
| | - Sandra Hodge
- Lung Research Unit, Department of Thoracic Medicine, Royal Adelaide Hospital, Adelaide 5001, Australia.
- Department of Medicine, University of Adelaide, Adelaide 5001, Australia.
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67
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Han SY, Lu Q, Lee K, Choi YH. LC478, a Novel Di-Substituted Adamantyl Derivative, Enhances the Oral Bioavailability of Docetaxel in Rats. Pharmaceutics 2019; 11:pharmaceutics11030135. [PMID: 30897775 PMCID: PMC6471177 DOI: 10.3390/pharmaceutics11030135] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 03/09/2019] [Accepted: 03/14/2019] [Indexed: 02/06/2023] Open
Abstract
P-glycoprotein (P-gp)-mediated efflux of docetaxel in the gastrointestinal tract mainly impedes its oral chemotherapy. Recently, LC478, a novel di-substituted adamantyl derivative, was identified as a non-cytotoxic P-gp inhibitor in vitro. Here, we assessed whether LC478 enhances the oral bioavailability of docetaxel in vitro and in vivo. LC478 inhibited P-gp mediated efflux of docetaxel in Caco-2 cells. In addition, 100 mg/kg of LC478 increased intestinal absorption of docetaxel, which led to an increase in area under plasma concentration-time curve (AUC) and absolute bioavailability of docetaxel in rats. According to U.S. FDA criteria (I, an inhibitor concentration in vivo tissue)/(IC50, inhibitory constant in vitro) >10 determines P-gp inhibition between in vitro and in vivo. The values 15.6–20.5, from (LC478 concentration in intestine, 9.37–12.3 μM)/(IC50 of LC478 on P-gp inhibition in Caco-2 cell, 0.601 μM) suggested that 100 mg/kg of LC478 sufficiently inhibited P-gp to enhance oral absorption of docetaxel. Moreover, LC478 inhibited P-gp mediated efflux of docetaxel in the ussing chamber studies using rat small intestines. Our study demonstrated that the feasibility of LC478 as an ideal enhancer of docetaxel bioavailability by P-gp inhibition in dose (concentration)-dependent manners.
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Affiliation(s)
- Seung Yon Han
- College of Pharmacy and Integrated Research Institute for Drug Development, Dongguk University_Seoul, 32 Dongguk-lo, Ilsandong-gu, Goyang-si, Gyonggi-do 10326, Korea.
| | - Qili Lu
- College of Pharmacy and Integrated Research Institute for Drug Development, Dongguk University_Seoul, 32 Dongguk-lo, Ilsandong-gu, Goyang-si, Gyonggi-do 10326, Korea.
| | - Kyeong Lee
- College of Pharmacy and Integrated Research Institute for Drug Development, Dongguk University_Seoul, 32 Dongguk-lo, Ilsandong-gu, Goyang-si, Gyonggi-do 10326, Korea.
| | - Young Hee Choi
- College of Pharmacy and Integrated Research Institute for Drug Development, Dongguk University_Seoul, 32 Dongguk-lo, Ilsandong-gu, Goyang-si, Gyonggi-do 10326, Korea.
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68
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Martins E, Silva V, Lemos A, Palmeira A, Puthongking P, Sousa E, Rocha-Pereira C, Ghanem CI, Carmo H, Remião F, Silva R. Newly Synthesized Oxygenated Xanthones as Potential P-Glycoprotein Activators: In Vitro, Ex Vivo, and In Silico Studies. Molecules 2019; 24:molecules24040707. [PMID: 30781374 PMCID: PMC6412186 DOI: 10.3390/molecules24040707] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 02/01/2019] [Accepted: 02/09/2019] [Indexed: 12/03/2022] Open
Abstract
P-glycoprotein (P-gp) plays a crucial role in the protection of susceptible organs, by significantly decreasing the absorption/distribution of harmful xenobiotics and, consequently, their toxicity. Therefore, P-gp has been proposed as a potential antidotal pathway, when activated and/or induced. Knowing that xanthones are known to interact with P-gp, the main goal was to study P-gp induction or/and activation by six new oxygenated xanthones (OX 1-6). Furthermore, the potential protection of Caco-2 cells against paraquat cytotoxicity was also assessed. The most promising compound was further tested for its ability to increase P-gp activity ex vivo, using everted intestinal sacs from adult Wistar-Han rats. The oxygenated xanthones interacted with P-gp in vitro, increasing P-gp expression and/or activity 24 h after exposure. Additionally, after a short-incubation period, several xanthones were identified as P-gp activators, as they immediately increased P-gp activity. Moreover, some xanthones decreased PQ cytotoxicity towards Caco-2 cells, an effect prevented under P-gp inhibition. Ex vivo, a significant increase in P-gp activity was observed in the presence of OX6, which was selectively blocked by a model P-gp inhibitor, zosuquidar, confirming the in vitro results. Docking simulations between a validated P-gp model and the tested xanthones predicted these interactions, and these compounds also fitted onto previously described P-gp induction and activation pharmacophores. In conclusion, the in vitro, ex vivo, and in silico results suggest the potential of some of the oxygenated xanthones in the modulation of P-gp, disclosing new perspectives in the therapeutics of intoxications by P-gp substrates.
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Affiliation(s)
- Eva Martins
- UCIBIO-REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
| | - Vera Silva
- UCIBIO-REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
| | - Agostinho Lemos
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
| | - Andreia Palmeira
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
| | - Ploenthip Puthongking
- Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand.
| | - Emília Sousa
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/CIMAR), Universidade do Porto, Rua dos Bragas 289, 4050-123 Porto, Portugal.
| | - Carolina Rocha-Pereira
- UCIBIO-REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
| | - Carolina I Ghanem
- Universidad de Buenos Aires, CONICET, Facultad de Farmacia y Bioquímica, Instituto de Investigaciones Farmacológicas (ININFA), Buenos Aires C1053, Argentina.
| | - Helena Carmo
- UCIBIO-REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
| | - Fernando Remião
- UCIBIO-REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
| | - Renata Silva
- UCIBIO-REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
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69
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Ashley N, Ouaret D, Bodmer WF. Cellular polarity modulates drug resistance in primary colorectal cancers via orientation of the multidrug resistance protein ABCB1. J Pathol 2019; 247:293-304. [PMID: 30306567 PMCID: PMC6519031 DOI: 10.1002/path.5179] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 08/30/2018] [Accepted: 10/02/2018] [Indexed: 12/18/2022]
Abstract
Colonic epithelial cells are highly polarised with a lumen‐facing apical membrane, termed the brush border, and a basal membrane in contact with the underlying extracellular matrix (ECM). This polarity is often maintained in cancer tissue in the form of neoplastic glands and has prognostic value. We compared the cellular polarity of several ex vivo spheroid colonic cancer cultures with their parental tumours and found that those grown as non‐attached colonies exhibited apical brush border proteins on their outer cellular membranes. Transfer of these cultures to an ECM, such as collagen, re‐established the centralised apical polarity observed in vivo. The multidrug resistance protein ABCB1 also became aberrantly polarised to outer colony membranes in suspension cultures, unlike cultures grown in collagen, where it was polarised to central lumens. This polarity switch was dependent on the presence of serum or selected serum components, including epidermal growth factor (EGF), transforming growth factor‐β1 (TGF‐β1) and insulin‐like growth factor‐1 (IGF‐1). The apical/basal orientation of primary cancer colon cultures cultured in collagen/serum was modulated by α2β1 integrin signalling. The polarisation of ABCB1 in colonies significantly altered drug uptake and sensitivity, as the outward polarisation of ABCB1 in suspension colonies effluxed substrates more effectively than ECM‐grown colonies with ABCB1 polarised to central lumens. Thus, serum‐free suspension colonies were more resistant to a variety of anti‐cancer drugs than ECM‐grown colonies. In conclusion, the local stroma, or absence thereof, can have profound effects on the sensitivity of colorectal cultures to drugs that are ABCB1 substrates. © 2018 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Neil Ashley
- Cancer and Immunogenetics Laboratory, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK.,Single Cell Genomics Facility, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Djamila Ouaret
- Cancer and Immunogenetics Laboratory, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Walter F Bodmer
- Cancer and Immunogenetics Laboratory, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
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70
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Pan J, Mendes LP, Yao M, Filipczak N, Garai S, Thakur GA, Sarisozen C, Torchilin VP. Polyamidoamine dendrimers-based nanomedicine for combination therapy with siRNA and chemotherapeutics to overcome multidrug resistance. Eur J Pharm Biopharm 2019; 136:18-28. [PMID: 30633973 DOI: 10.1016/j.ejpb.2019.01.006] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 12/30/2018] [Accepted: 01/07/2019] [Indexed: 12/11/2022]
Abstract
Multidrug resistance (MDR) significantly decreases the therapeutic efficiency of anti-cancer drugs. Its reversal could serve as a potential method to restore the chemotherapeutic efficiency. Downregulation of MDR-related proteins with a small interfering RNA (siRNA) is a promising way to reverse the MDR effect. Additionally, delivery of small molecule therapeutics simultaneously with siRNA can enhance the efficiency of chemotherapy by dual action in MDR cell lines. Here, we conjugated the dendrimer, generation 4 polyamidoamine (G4 PAMAM), with a polyethylene glycol (PEG)-phospholipid copolymer. The amphiphilic conjugates obtained spontaneously self-assembled into a micellar nano-preparation, which can be co-loaded with siRNA onto PAMAM moieties and sparingly water-soluble chemotherapeutics into the lipid hydrophobic core. This system was co-loaded with doxorubicin (DOX) and therapeutic siRNA (siMDR-1) and tested for cytotoxicity against MDR cancer cells: human ovarian carcinoma (A2780 ADR) and breast cancer (MCF7 ADR). The combination nanopreparation effectively downregulated P-gp in MDR cancer cells and reversed the resistance towards DOX.
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Affiliation(s)
- Jiayi Pan
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, MA 02115, USA
| | - Livia P Mendes
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, MA 02115, USA; CAPES Foundation, Ministry of Education of Brazil, Brasilia 70040-020, Brazil
| | - Momei Yao
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, MA 02115, USA
| | - Nina Filipczak
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, MA 02115, USA; Laboratory of Lipids and Liposomes, Department of Biotechnology, University of Wroclaw, 50-383 Wroclaw, Poland
| | - Sumanta Garai
- Department of Pharmaceutical Sciences, Northeastern University, Boston, MA 02115, USA
| | - Ganesh A Thakur
- Department of Pharmaceutical Sciences, Northeastern University, Boston, MA 02115, USA
| | - Can Sarisozen
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, MA 02115, USA
| | - Vladimir P Torchilin
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, MA 02115, USA.
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71
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Xue Y, Ma C, Hanna I, Pan G. Intestinal Transporter-Associated Drug Absorption and Toxicity. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1141:361-405. [DOI: 10.1007/978-981-13-7647-4_8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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72
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Brij-grafted-chitosan copolymers with function of P-glycoprotein modulation: Synthesis, characterization and in vitro investigations. Carbohydr Polym 2019; 204:89-96. [DOI: 10.1016/j.carbpol.2018.10.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 09/26/2018] [Accepted: 10/03/2018] [Indexed: 01/07/2023]
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73
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Haranahalli K, Honda T, Ojima I. Recent progress in the strategic incorporation of fluorine into medicinally active compounds. J Fluor Chem 2019; 217:29-40. [PMID: 31537946 PMCID: PMC6752223 DOI: 10.1016/j.jfluchem.2018.11.002] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
This account exemplifies our recent progress on the strategic incorporation of fluorine and organofluorine groups to (i) taxoid anticancer agents, (ii) acylhydrazone-based antifungal agents and (iii) inhibitors of matrix metalloproteinase 9 (MMP9) for medicinal chemistry and chemical biology studies. In the case study (i), a series of next-generation fluorotaxoids, bearing m-OCF3 or m-OCF2H group in the C2-benzoate moiety was designed, synthesized and examined for their potencies. A number of these fluorotaxoids possess two orders of magnitude greater potency in different drug-resistant cancer cell lines as compared to paclitaxel. One of these next-generation fluorotaxoids, SB--121205wasselected for detailed mechanistic study against highly paclitaxel-resistant human breast cancer cell line, MCF-7/PTX, which disclosed a unique mechanism of action. Recently, glucosylceramide (GlcCer) synthesis emerged as a promising target for next-generation antifungal agents, especially against cryptococcosis, candidiasis and pulmonary aspergillosis. The HTP screening of compound libraries identified several acylhydrazones as hit compounds. In the case study (ii), fluoro-acylhydrazones containing F, OCF3, OCHF2, o-F/p-OCF3, as well as o-F/p-CF3 functional groups in the ring A and ring B were designed based on these hit compounds, synthesized and examined for their potencies against C. neoformans. A number of those novel fluoro-acylhydrazones exhibited high potency and excellent killing properties. The hemopexin-like domain of matrix metalloproteinases (MMPs) is a highly promising target to circumvent the critical issue in the development of MMP inhibitors for the treatment of various cancers. In the case study (iii), a small optimization library of compounds, based on the OCHF2-containing hit compound, SB-M-001, was generated and evaluated, which identified a fluorine-containing new lead compound, SB-M-103. SB-M-103 was found to inhibit tumor cell growth, migration, and invasion by effectively disrupting the MMP-9 homodimerization.
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Affiliation(s)
- Krupanandan Haranahalli
- Institute of Chemical Biology & Drug Discovery, Stony Brook University–State University of New York, Stony Brook, NY, 11794-3400, U.S. A
| | - Tadashi Honda
- Department of Chemistry, Stony Brook University–State University of New York, Stony Brook, NY, 11794-3400, U. S. A
- Institute of Chemical Biology & Drug Discovery, Stony Brook University–State University of New York, Stony Brook, NY, 11794-3400, U.S. A
| | - Iwao Ojima
- Department of Chemistry, Stony Brook University–State University of New York, Stony Brook, NY, 11794-3400, U. S. A
- Institute of Chemical Biology & Drug Discovery, Stony Brook University–State University of New York, Stony Brook, NY, 11794-3400, U.S. A
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Krapf MK, Gallus J, Spindler A, Wiese M. Synthesis and biological evaluation of quinazoline derivatives - A SAR study of novel inhibitors of ABCG2. Eur J Med Chem 2018; 161:506-525. [PMID: 30390439 DOI: 10.1016/j.ejmech.2018.10.026] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 10/08/2018] [Accepted: 10/10/2018] [Indexed: 11/16/2022]
Abstract
Multidrug resistance (MDR) is a major obstacle for effective chemotherapeutic treatment of cancer frequently leading to failure of the therapy. MDR is often associated with the overexpression of ABC transport proteins like ABCB1 or ABCG2 which efflux harmful substances out of cells at the cost of ATP hydrolysis. One way to overcome MDR is to apply potent inhibitors of ABC transporters to restore the sensitivity of the cells toward cytostatic agents. This study focusses on the synthesis and evaluation of novel 2,4-disubstituted quinazoline derivatives regarding the structure-activity-relationship (SAR), their ability to reverse MDR and their mode of interaction with ABCG2. Hence, the inhibitory potency and selectivity toward ABCG2 was determined. Moreover, the intrinsic cytotoxicity and the reversal of MDR were investigated. Interaction type studies with the substrate Hoechst 33342 and conformational analyses of ABCG2 with 5D3 monoclonal antibody were performed for a better understanding of the underlying mechanisms. In our study we could further enhance the inhibitory effect against ABCG2 (compound 31, IC50: 55 nM) and identify the structural features that are crucial for inhibitory potency, the impact on transport activity and binding to the protein.
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Affiliation(s)
- Michael K Krapf
- Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121, Bonn, Germany
| | - Jennifer Gallus
- Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121, Bonn, Germany
| | - Anna Spindler
- Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121, Bonn, Germany
| | - Michael Wiese
- Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121, Bonn, Germany.
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75
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Guimaraes PPG, Tan M, Tammela T, Wu K, Chung A, Oberli M, Wang K, Spektor R, Riley RS, Viana CTR, Jacks T, Langer R, Mitchell MJ. Potent in vivo lung cancer Wnt signaling inhibition via cyclodextrin-LGK974 inclusion complexes. J Control Release 2018; 290:75-87. [PMID: 30290244 DOI: 10.1016/j.jconrel.2018.09.025] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 08/30/2018] [Accepted: 09/25/2018] [Indexed: 01/02/2023]
Abstract
Activation of the Wnt signaling pathway promotes lung cancer progression and contributes to poor patient prognosis. The porcupine inhibitor LGK974, a novel orally bioavailable cancer therapeutic in Phase I clinical trials, induces potent Wnt signaling inhibition and leads to suppressed growth and progression of multiple types of cancers. The clinical use of LGK974, however, is limited in part due to its low solubility and high toxicity in tissues that rely on Wnt signaling for normal homeostasis. Here, we report the use of host-guest chemistry to enhance the solubility and bioavailability of LGK974 in mice through complexation with cyclodextrins (CD). We assessed the effects of these complexes to inhibit Wnt signaling in lung adenocarcinomas that are typically driven by overactive Wnt signaling. 2D 1H NMR confirmed host-guest complexation of CDs with LGK974. CD:LGK974 complexes significantly decreased the expression of Wnt target genes in lung cancer organoids and in lung cancer allografts in mice. Further, CD:LGK974 complexes increased the bioavailability upon oral administration in mice compared to free LGK974. In a mouse lung cancer allograft model, CD:LGK974 complexes induced potent Wnt signaling inhibition with reduced intestinal toxicity compared to treatment with free drug. Collectively, the development of these complexes enables safer and repeated oral or parenteral administration of Wnt signaling inhibitors, which hold promise for the treatment of multiple types of malignancies.
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Affiliation(s)
- Pedro P G Guimaraes
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, United States; Department of Chemical Engineering, MIT, Cambridge, MA, United States; Department of Physiology and Biophysics, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil; Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, United States
| | - Mingchee Tan
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, United States; Department of Chemical Engineering, MIT, Cambridge, MA, United States
| | - Tuomas Tammela
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, United States
| | - Katherine Wu
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, United States
| | - Amanda Chung
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, United States; Department of Chemical Engineering, MIT, Cambridge, MA, United States
| | - Matthias Oberli
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, United States; Department of Chemical Engineering, MIT, Cambridge, MA, United States
| | - Karin Wang
- Department of Bioengineering, Temple University, Philadelphia, PA, United States
| | - Roman Spektor
- Graduate Field of Genetics, Genomics and Development, Cornell University, Ithaca, NY, United States
| | - Rachel S Riley
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, United States
| | - Celso T R Viana
- Department of General Pathology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Tyler Jacks
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, United States
| | - Robert Langer
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, United States; Department of Chemical Engineering, MIT, Cambridge, MA, United States.
| | - Michael J Mitchell
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, United States.
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Jain S, Grandits M, Ecker GF. Interspecies comparison of putative ligand binding sites of human, rat and mouse P-glycoprotein. Eur J Pharm Sci 2018; 122:134-143. [PMID: 29936088 PMCID: PMC6422297 DOI: 10.1016/j.ejps.2018.06.022] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 06/18/2018] [Accepted: 06/19/2018] [Indexed: 01/16/2023]
Abstract
Prior to the clinical phases of testing, safety, efficacy and pharmacokinetic profiles of lead compounds are evaluated in animal studies. These tests are primarily performed in rodents, such as mouse and rats. In order to reduce the number of animal experiments, computational models that predict the outcome of these studies and thus aid in prioritization of preclinical candidates are heavily needed. However, although computational models for human off-target interactions with decent quality are available, they cannot easily be transferred to rodents due to lack of respective data. In this study, we assess the transferability of human P-glycoprotein activity data for development of in silico models to predict in vivo effects in rats and mouse using a structure-based approach. P-glycoprotein (P-gp) is an ATP-dependent efflux transporter that transports xenobiotic compounds such as toxins and drugs out of cells and has a broad substrate and inhibitor specificity. Being mostly expressed at barriers, it influences the bioavailability of drugs and thus contributes also to toxicity. Comparison of the binding site interaction profiles of human, rat and mouse P-gp derived from docking studies with a set of common inhibitors suggests that the inhibitors share potentially similar binding modes. These findings encourage the use of in vitro human P-gp data for predicting in vivo effects in rodents and thus contributes to the 3Rs (Replace, Reduce and Refine) of animal experiments.
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Affiliation(s)
- Sankalp Jain
- University of Vienna, Department of Pharmaceutical Chemistry, Althanstrasse 14, 1090 Vienna, Austria
| | - Melanie Grandits
- University of Vienna, Department of Pharmaceutical Chemistry, Althanstrasse 14, 1090 Vienna, Austria
| | - Gerhard F Ecker
- University of Vienna, Department of Pharmaceutical Chemistry, Althanstrasse 14, 1090 Vienna, Austria.
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Krapf MK, Gallus J, Namasivayam V, Wiese M. 2,4,6-Substituted Quinazolines with Extraordinary Inhibitory Potency toward ABCG2. J Med Chem 2018; 61:7952-7976. [PMID: 30075623 DOI: 10.1021/acs.jmedchem.8b01011] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Several members of the ABC transporter superfamily play a decisive role in the development of multidrug resistance (MDR) in cancer. One of these MDR associated efflux transporters is ABCG2. One way to overcome this MDR is the coadministration of potent inhibitors of ABCG2. In this study, we identified novel inhibitors containing a 2,4,6-substituted quinazoline scaffold. Introduction of a 6-nitro function led to extraordinarily potent compounds that were highly selective for ABCG2 and also able to reverse the MDR toward the chemotherapeutic drugs SN-38 and mitoxantrone. The binding of substrate Hoechst 33342 and the two potent inhibitors 31 and 41 which differ in their mechanism of inhibition was rationalized using the recently published cryo-EM structures of ABCG2. For a better understanding of the interaction between the inhibitors and ABCG2, additional investigations regarding the ATPase activity, the interaction with Hoechst 33342, and with the conformational sensitive 5D3 antibody were carried out.
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Affiliation(s)
- Michael K Krapf
- Pharmaceutical Institute University of Bonn An der Immenburg 4 53121 Bonn , Germany
| | - Jennifer Gallus
- Pharmaceutical Institute University of Bonn An der Immenburg 4 53121 Bonn , Germany
| | | | - Michael Wiese
- Pharmaceutical Institute University of Bonn An der Immenburg 4 53121 Bonn , Germany
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78
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Lee G, Joung JY, Cho JH, Son CG, Lee N. Overcoming P-Glycoprotein-Mediated Multidrug Resistance in Colorectal Cancer: Potential Reversal Agents among Herbal Medicines. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2018; 2018:3412074. [PMID: 30158992 PMCID: PMC6109522 DOI: 10.1155/2018/3412074] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 07/24/2018] [Accepted: 08/02/2018] [Indexed: 12/22/2022]
Abstract
OBJECTIVES Multidrug resistance (MDR) is the major reason for the failure of chemotherapy in colorectal cancer (CRC), and the primary determinant of MDR in CRC patients is active drug efflux owing to overexpression of P-glycoprotein (P-gp) in cancer tissues. Despite research efforts to overcome P-gp-mediated drug efflux, the high toxicity of P-gp inhibitors has been a major obstacle for the clinical use of these agents. The aim of this study was to review the literature for potential P-gp reversal agents among traditional herbal medicines, which offer the advantages of safety and potential synergetic effects in CRC chemotherapy. METHODS We searched ten databases including 3 English databases, 1 Chinese medical database, and 6 Korean medical databases up to July 2018 and included in vivo and in vitro studies evaluating the effects of herbal medicines as P-gp reversal agents in CRC. RESULTS A total of 28 potentially related studies were identified and 16 articles were included. Involving 3 studies about Salvia miltiorrhiza and 2 studies about Curcuma longa, finally we found 14 kinds of traditional herbal medicines-Salvia miltiorrhiza, Curcuma longa, Sinomenium acutum, Stephania tetrandra, Bufo gargarizans, Coptis japonica, Piper nigrum and Piper longum, Hedyotis diffusa, Schisandra chinensis, Glycyrrhiza glabra, Glycyrrhiza inflate, Daphne genkwa, Stemona tuberosa Lour, and Andrographis paniculata-as showing efficacy as P-gp inhibitors in anticancer drug-resistant CRC cells in vitro and in vivo. CONCLUSIONS This brief account provides insight into the relationship between P-gp and CRC. Further studies on herbal medicines with demonstrated effects against P-gp overexpression will aid in improving the efficacy of chemotherapy in CRC.
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Affiliation(s)
- Gayoung Lee
- Department of Clinical Oncology, Cheonan Korean Medicine Hospital of Daejeon University, 4, Notaesan-ro, Seobuk-gu, Cheonan-si, No. 31099, Republic of Korea
- Liver and Immunology Research Center, Dunsan Korean Medicine Hospital of Daejeon University, 75, Daedeok-daero 176beon-gil, Seo-gu, Daejeon-si, No. 35235, Republic of Korea
- Department of Internal Medicine, Graduated School of Korean Medicine, University of Daejeon, 62, Daehak-ro, Dong-gu, Daejeon-si, No. 34520, Republic of Korea
| | - Jin-Yong Joung
- Liver and Immunology Research Center, Dunsan Korean Medicine Hospital of Daejeon University, 75, Daedeok-daero 176beon-gil, Seo-gu, Daejeon-si, No. 35235, Republic of Korea
- Department of Internal Medicine, Graduated School of Korean Medicine, University of Daejeon, 62, Daehak-ro, Dong-gu, Daejeon-si, No. 34520, Republic of Korea
| | - Jung-Hyo Cho
- Liver and Immunology Research Center, Dunsan Korean Medicine Hospital of Daejeon University, 75, Daedeok-daero 176beon-gil, Seo-gu, Daejeon-si, No. 35235, Republic of Korea
- Department of Internal Medicine, Graduated School of Korean Medicine, University of Daejeon, 62, Daehak-ro, Dong-gu, Daejeon-si, No. 34520, Republic of Korea
| | - Chang-Gue Son
- Liver and Immunology Research Center, Dunsan Korean Medicine Hospital of Daejeon University, 75, Daedeok-daero 176beon-gil, Seo-gu, Daejeon-si, No. 35235, Republic of Korea
- Department of Internal Medicine, Graduated School of Korean Medicine, University of Daejeon, 62, Daehak-ro, Dong-gu, Daejeon-si, No. 34520, Republic of Korea
| | - Namhun Lee
- Department of Clinical Oncology, Cheonan Korean Medicine Hospital of Daejeon University, 4, Notaesan-ro, Seobuk-gu, Cheonan-si, No. 31099, Republic of Korea
- Liver and Immunology Research Center, Dunsan Korean Medicine Hospital of Daejeon University, 75, Daedeok-daero 176beon-gil, Seo-gu, Daejeon-si, No. 35235, Republic of Korea
- Department of Internal Medicine, Graduated School of Korean Medicine, University of Daejeon, 62, Daehak-ro, Dong-gu, Daejeon-si, No. 34520, Republic of Korea
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The Effects of Synthetically Modified Natural Compounds on ABC Transporters. Pharmaceutics 2018; 10:pharmaceutics10030127. [PMID: 30096910 PMCID: PMC6161255 DOI: 10.3390/pharmaceutics10030127] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 08/03/2018] [Accepted: 08/07/2018] [Indexed: 12/12/2022] Open
Abstract
Multidrug resistance (MDR) is a major hurdle which must be overcome to effectively treat cancer. ATP-binding cassette transporters (ABC transporters) play pivotal roles in drug absorption and disposition, and overexpression of ABC transporters has been shown to attenuate cellular/tissue drug accumulation and thus increase MDR across a variety of cancers. Overcoming MDR is one desired approach to improving the survival rate of patients. To date, a number of modulators have been identified which block the function and/or decrease the expression of ABC transporters, thereby restoring the efficacy of a range of anticancer drugs. However, clinical MDR reversal agents have thus far proven ineffective and/or toxic. The need for new, effective, well-tolerated and nontoxic compounds has led to the development of natural compounds and their derivatives to ameliorate MDR. This review evaluates whether synthetically modifying natural compounds is a viable strategy to generate potent, nontoxic, ABC transporter inhibitors which may potentially reverse MDR.
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80
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Castro-López J, Teles M, Fierro C, Allenspach K, Planellas M, Pastor J. Pilot study: duodenal MDR1 and COX2 gene expression in cats with inflammatory bowel disease and low-grade alimentary lymphoma. J Feline Med Surg 2018; 20:759-766. [PMID: 28948903 PMCID: PMC11104148 DOI: 10.1177/1098612x17730708] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Objectives Multidrug resistance 1 (MDR1) encodes a protein called P-glycoprotein (P-gp), which serves as an efflux pump membrane protein implicated in intestinal homeostasis and drug resistance. Cyclooxygenase-2 (COX2) is a key enzyme in the synthesis of proinflammatory prostaglandins, tumourigenesis and in mucosal defence. Despite the importance of MDR1 and COX2, changes in their mRNA levels have not been studied in cats with inflammatory bowel disease (IBD) and low-grade alimentary lymphoma (LGAL). The present study aimed to determine the mRNA levels of MDR1 and COX2 in cats with IBD and LGAL, and to evaluate their correlation with clinical signs, histological severity and between genes. Methods Cats diagnosed with IBD (n = 20) and LGAL (n = 9) between 2008 and 2015 were included in the current study. Three healthy animals composed the healthy control cats group in which endoscopy was performed immediately before the ovariohysterectomy. All duodenal biopsy samples were obtained by endoscopy. Feline chronic enteropathy activity index was calculated for all cases. IBD histopathology was classified according to severity. MDR1 and COX2 mRNA levels were determined by absolute reverse transcriptase-quantitative real-time PCR. Results Statistically significant differences were observed for MDR1 and COX2 mRNA levels between the IBD and LGAL groups. No correlations were observed between molecular gene expression, feline chronic enteropathy activity index and histological grading for IBD, and between MDR1 and COX2 genes. However, a positive statistically significant correlation was observed between MDR1 and COX2 expression in the duodenum of cats. Conclusions and relevance MDR1 and COX2 gene expression is increased in cats with LGAL compared with cats with IBD. The control group tended to have lower values than both diseased groups. These results suggest that these genes may be involved in the pathogenesis of IBD or LGAL in cats.
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Affiliation(s)
- Jorge Castro-López
- Department of Animal Medicine and Surgery, Universitat Autònoma de Barcelona, Bellaterra, Spain
- Fundació Hospital Clínic Veterinari de la Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Mariana Teles
- Department of Cellular Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Camino Fierro
- Department of Cellular Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Karin Allenspach
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine Ames, IA, USA
| | - Marta Planellas
- Department of Animal Medicine and Surgery, Universitat Autònoma de Barcelona, Bellaterra, Spain
- Fundació Hospital Clínic Veterinari de la Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Josep Pastor
- Department of Animal Medicine and Surgery, Universitat Autònoma de Barcelona, Bellaterra, Spain
- Fundació Hospital Clínic Veterinari de la Universitat Autònoma de Barcelona, Bellaterra, Spain
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81
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Mai Y, Dou L, Murdan S, Basit AW. An animal's sex influences the effects of the excipient PEG 400 on the intestinal P-gp protein and mRNA levels, which has implications for oral drug absorption. Eur J Pharm Sci 2018; 120:53-60. [PMID: 29678614 DOI: 10.1016/j.ejps.2018.04.021] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Revised: 03/18/2018] [Accepted: 04/16/2018] [Indexed: 11/26/2022]
Abstract
There is a growing body of evidence which suggests that formerly regarded "inert" pharmaceutical excipients have the potential to influence oral drug bioavailability. The solubilizing agent polyethylene glycol 400 (PEG 400), for instance, has a sex-specific effect on P-glycoprotein (P-gp)-mediated drug bioavailability. We hypothesized that such an effect could be via PEG-induced alteration of P-gp activity and/or expression to different extents in males and females. To test this hypothesis in vivo, we investigated the influence of orally administered PEG 400 on the protein content and mRNA expression of P-gp in different regions of the gastrointestinal tract in male and female rats. Fasted rats received an oral dose of PEG 400 and at different time intervals, rats were sacrificed and their intestines were collected. The P-gp protein and mRNA expression in different intestinal segments (duodenum, jejunum, ileum and colon) were measured by Western blotting and PCR, respectively. It was found that P-gp protein and mRNA levels increased along the gastrointestinal tract in control animals (i.e. without PEG administration), and was higher in males compared to the female rats. The oral administration of PEG 400 decreased the P-gp expression in the jejunum, ileum and colon of males but not in the corresponding segments in females. This sex-dependent influence of PEG 400 on P-gp levels reflects and explains the sex-related effect of PEG 400 on oral absorption of certain drugs. The data further adds to the growing literature on the importance of taking into consideration an individual's sex for optimal drug administration.
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Affiliation(s)
- Yang Mai
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, United Kingdom
| | - Liu Dou
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, United Kingdom
| | - Sudaxshina Murdan
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, United Kingdom
| | - Abdul W Basit
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, United Kingdom.
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Xiong W, Sang W, Linghu KG, Zhong ZF, Cheang WS, Li J, Hu YJ, Yu H, Wang YT. Dual-functional Brij-S20-modified nanocrystal formulation enhances the intestinal transport and oral bioavailability of berberine. Int J Nanomedicine 2018; 13:3781-3793. [PMID: 29988733 PMCID: PMC6030940 DOI: 10.2147/ijn.s163763] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Introduction Berberine (BBR) is a plant-derived benzylisoquinoline alkaloid and has been demonstrated to be a potential treatment for various chronic diseases. The poor water solubility and P-glycoprotein (Pgp)-mediated drug efflux are the main challenges for its further application in a clinical setting. Materials and methods In this study, a Brij-S20 (BS20)-modified nanocrystal formulation (BBR-BS20-NCs) has been developed and investigated with the purpose of improving the intestinal absorption of BBR. The physicochemical properties of the developed BBR-BS20-NCs were characterized and the enhancement of the BBR-BS20-NCs on BBR absorption were investigated both in vitro and in vivo. Results The results indicated that BS20 could significantly enhance the intracellular uptake of BBR in MDCK-MDR1 cells via a short-term and reversible modulation on the Pgp function, accompanied by a marked increase in Pgp mRNA expression but without significant influence on the Pgp protein expression. Moreover, the morphology of the prepared BBR-BS20-NCs was observed to be prism-like, with a smooth surface and an average diameter of 148.0 ± 3.2 nm. Compared to raw BBR and physical mixture, BBR-BS20-NCs facilitated the dissolution rate and extent of release of BBR in aqueous solution, and further increased the absorption of BBR in MDCK-MDR1 monolayer by overcoming the Pgp-mediated secretory transport (Papp[BL-AP] values of 2.85 ± 0.04 × 10−6 cm/s, 2.21 ± 0.14 × 10−6 cm/s, and 2.00 ± 0.07 × 10−6 cm/s for pure BBR, physical mixture, and BBR-BS20-NCs, respectively). Significant improvements in the maximum concentration observed (Cmax) and area under drug concentration-time curve (AUC0–t) of BBR-BS20-NCs were obtained in pharmacokinetic studies compared to pure BBR, and the relative bioavailability of BBR-BS20-NCs to pure BBR was 404.1%. Conclusion The developed BBR-BS20-NCs combine the advantages of nanocrystal formulation and functional excipient. The novel pharmaceutical design provides a new strategy to improve the oral bioavailability of those drugs with both poor water solubility and Pgp-mediated efflux.
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Affiliation(s)
- Wei Xiong
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao SAR, China,
| | - Wei Sang
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao SAR, China,
| | - Ke Gang Linghu
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao SAR, China,
| | - Zhang Feng Zhong
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao SAR, China,
| | - Wai San Cheang
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao SAR, China,
| | - Juan Li
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, Jiangsu, China
| | - Yuan Jia Hu
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao SAR, China,
| | - Hua Yu
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao SAR, China,.,Hong Kong Baptist University Shenzhen Research Center, Shenzhen, Guangdong, China; .,School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong SAR, China,
| | - Yi Tao Wang
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao SAR, China,
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Chemotherapy-Induced Tunneling Nanotubes Mediate Intercellular Drug Efflux in Pancreatic Cancer. Sci Rep 2018; 8:9484. [PMID: 29930346 PMCID: PMC6013499 DOI: 10.1038/s41598-018-27649-x] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Accepted: 06/05/2018] [Indexed: 12/18/2022] Open
Abstract
Intercellular communication plays a critical role in the ever-evolving landscape of invasive cancers. Recent studies have elucidated the potential role of tunneling nanotubes (TNTs) in this function. TNTs are long, filamentous, actin-based cell protrusions that mediate direct cell-to-cell communication between malignant cells. In this study, we investigated the formation of TNTs in response to variable concentrations of the chemotherapeutic drug doxorubicin, which is used extensively in the treatment of cancer patients. Doxorubicin stimulated an increased formation of TNTs in pancreatic cancer cells, and this occurred in a dose-dependent fashion. Furthermore, TNTs facilitated the intercellular redistribution of this drug between connected cells in both pancreatic and ovarian cancer systems in vitro. To provide supportive evidence for the relevance of TNTs in pancreatic cancer in vivo, we performed multiphoton fluorescence microscopy and imaged TNTs in tumor specimens resected from three human patients with pancreatic adenocarcinoma, and one with neuroendocrine carcinoma. In sum, TNT formation was upregulated in aggressive forms of pancreatic carcinoma, was further stimulated after chemotherapy exposure, and acted as a novel method for drug efflux. These findings implicate TNTs as a potential novel mechanism of drug resistance in chemorefractory forms of cancer.
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84
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Hodge G, Hodge S, Nguyen PT, Yeo A, Sarkar P, Badiei A, Holmes‐Liew CL, Reynolds PN, Holmes M. Bronchiolitis obliterans syndrome is associated with increased p-glycoprotein expression and loss of glucocorticoid receptor from steroid-resistant proinflammatory CD8 + T cells. Clin Exp Immunol 2018; 192:242-250. [PMID: 29352737 PMCID: PMC5904702 DOI: 10.1111/cei.13103] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 01/08/2018] [Accepted: 01/09/2018] [Indexed: 12/31/2022] Open
Abstract
Immunosuppressive therapy fails to suppress the production of proinflammatory cytokines, particularly by CD8+ T cells, in stable lung transplant recipients and those undergoing chronic rejection, suggesting that some patients may become relatively resistant to immunosuppressants such as glucocorticoids (GC). We have shown loss of GC receptor (GCR) from the CD8+ cells, and we hypothesized that the drug membrane efflux pump, p-glycoprotein-1 (Pgp), may also be involved in lymphocyte steroid resistance following lung transplant. Pgp/GCR expression and interferon (IFN)-γ/tumour necrosis factor (TNF)-α proinflammatory cytokine production was measured in blood lymphocytes from 15 stable lung transplant patients, 10 patients with bronchiolitis obliterans syndrome (BOS) and 10 healthy aged-matched controls (± prednisolone ± Pgp inhibitor, cyclosporin A ± GCR activator, Compound A) using flow cytometry. Both Pgp+ and Pgp- lymphocyte subsets from all subjects produced IFN-γ/TNF-α proinflammatory cytokines. Pgp expression was increased in CD8+ Pgp+ T cells and correlated with IFN-γ/TNF-α expression and BOS grade. Reduced GCR was observed in CD8+ Pgp- T, natural killer (NK) T-like and NK cells from stable patients compared with controls, and reduced further in CD8+ Pgp- T cells in BOS. The addition of 2·5 ng/ml cyclosporin A and 1 µM prednisolone inhibit IFN-γ/TNF-α production significantly by CD8+ Pgp+ T cells from BOS patients. The addition of 10 µM Compound A and 1 µM prednisolone inhibit IFN-γ/TNF-α production significantly by CD8+ Pgp- T cells from BOS patients. BOS is associated with increased Pgp expression and loss of GCR from steroid-resistant proinflammatory CD8+ T cells. Treatments that inhibit Pgp and up-regulate GCR in CD8+ T cells may improve graft survival.
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Affiliation(s)
- G. Hodge
- Lung Research Unit, Department of Thoracic MedicineRoyal Adelaide HospitalAdelaideSouth Australia
- Department of MedicineUniversity of AdelaideAdelaideSouth Australia
| | - S. Hodge
- Lung Research Unit, Department of Thoracic MedicineRoyal Adelaide HospitalAdelaideSouth Australia
- Department of MedicineUniversity of AdelaideAdelaideSouth Australia
| | - P. T. Nguyen
- Lung Research Unit, Department of Thoracic MedicineRoyal Adelaide HospitalAdelaideSouth Australia
- Department of MedicineUniversity of AdelaideAdelaideSouth Australia
| | - A. Yeo
- Lung Research Unit, Department of Thoracic MedicineRoyal Adelaide HospitalAdelaideSouth Australia
| | - P. Sarkar
- Lung Research Unit, Department of Thoracic MedicineRoyal Adelaide HospitalAdelaideSouth Australia
| | - A. Badiei
- Lung Research Unit, Department of Thoracic MedicineRoyal Adelaide HospitalAdelaideSouth Australia
| | - C. L. Holmes‐Liew
- Lung Research Unit, Department of Thoracic MedicineRoyal Adelaide HospitalAdelaideSouth Australia
- Department of MedicineUniversity of AdelaideAdelaideSouth Australia
- South Australian Lung Transplant ServiceAdelaideSouth Australia
| | - P. N. Reynolds
- Lung Research Unit, Department of Thoracic MedicineRoyal Adelaide HospitalAdelaideSouth Australia
- Department of MedicineUniversity of AdelaideAdelaideSouth Australia
| | - M. Holmes
- Lung Research Unit, Department of Thoracic MedicineRoyal Adelaide HospitalAdelaideSouth Australia
- Department of MedicineUniversity of AdelaideAdelaideSouth Australia
- South Australian Lung Transplant ServiceAdelaideSouth Australia
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85
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Ronchi E, Sanfilippo O, Di Fronzo G, Bani MR, Della Torre G, Catania S, Silvestrini R. Detection of the 170 kDa P-Glycoprotein in Neoplastic and Normal Tissues. TUMORI JOURNAL 2018; 75:542-6. [PMID: 2575816 DOI: 10.1177/030089168907500605] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A membrane purification procedure and an immunoblotting assay have been designed to allow screening of human solid tumors for overexpression of the GP170 glycoprotein without employing a disaggregation method to obtain cell suspensions. The electrophoresed membrane proteins were probed, after Western Blotting, with the C219 monoclonal antibody and iodinated Protein A. The labeling intensity of the bands on the autoradioimmunoblots were quantified by densitometry. To test for the presence of GP170, we used membranes from the UV 2237 fibrosarcoma line and its adriamycin-resistant variant ADMR, grown in vitro or as solid tumor in mice. Membranes of human normal and tumor tissues obtained from previously untreated patients were also tested. An immunoreaction was observed in the adriamycin-resistant UV 2237 lines grown in vitro or in vivo. Quantitatively, the binding of the resistant cell line grown in vitro was higher than that observed in cells grown in mice. Bands in the GP 170 region were observed in 4/7 normal and in 7/7 tumor colon tissues and in the normal medulla from 2 patients with cancer of the renal cortex. No reaction could be found in samples from normal tissue, primary tumor or nodal metastasis from 7 patients with breast cancer.
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Affiliation(s)
- E Ronchi
- Division of Experimental Oncology, Istituto Nazionale per lo Studio e la Cura dei Tumori, Milano, Italy
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86
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Musto P, Cascavilla N, Di Renzo N, Ladogana S, La Sala A, Melillo L, Nobile M, Matera R, Lombardi G, Carotenuto M. Clinical Relevance of Immunocytochemical Detection of Multidrug-Resistance-Associated P-Glycoprotein in Hematologic Malignancies. TUMORI JOURNAL 2018; 76:353-9. [DOI: 10.1177/030089169007600410] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Pellegrino Musto
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
| | - Nicola Cascavilla
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
| | - Nicola Di Renzo
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
| | - Saverio Ladogana
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
| | - Antonio La Sala
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
| | - Lorella Melillo
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
| | - Michele Nobile
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
| | - Rosella Matera
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
| | - Gina Lombardi
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
| | - Mario Carotenuto
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
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87
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Multidrug Resistance Reversal Activity of Some New Dihydropyridines Studied by IN SITU Single-Pass Intestinal Perfusion (SPIP) Method in Rat. Pharm Chem J 2018. [DOI: 10.1007/s11094-018-1757-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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88
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Li Q, Huang W, Yang J, Wang J, Hu M, Mo J, Cheng Y, Ou Z, Zhang ZJ, Guan S. Gastric retention pellets of edaravone with enhanced oral bioavailability: Absorption mechanism, development, and in vitro/in vivo evaluation. Eur J Pharm Sci 2018; 119:62-69. [PMID: 29630939 DOI: 10.1016/j.ejps.2018.04.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Revised: 03/11/2018] [Accepted: 04/01/2018] [Indexed: 12/12/2022]
Abstract
Absorption mechanism of edaravone (EDR) was studied to inform the preparation of gastric retention pellets with the aim to enhance its oral bioavailability. Three different models, namely, Caco-2 cells model, in situ single-pass intestinal perfusion model, and everted gut sac model in rats, were employed to characterize the gastrointestinal absorption kinetics of EDR. And it was found that passive transfer plays a vital role for the transport of EDR, and acidic condition is preferable for EDR absorption. Further, it is likely that EDR acts as a substrate for P-glycoprotein and multidrug-resistance protein. And hence, an orally available gastric retention pellets were developed accordingly. Pharmacokinetic experiments performed with rats and beagles showed that the absolute bioavailability of EDR solution and enteric-coated pellets following oral administration were 33.85% ± 2.45% and 7.64% ± 1.03%, indicating that stomach absorption is better than intestinal adsorption for EDR. However, the gastric retention pellets resulted in 68.96% absolute bioavailability and about 200% relative bioavailability in comparison to EDR solution, which was 9 times that of enteric-coated pellets. The present work demonstrates that gastric retention pellets has excellent potential as oral administration route for EDR.
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Affiliation(s)
- Qingguo Li
- School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou 510006, PR China
| | - Wenhai Huang
- School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou 510006, PR China
| | - Juan Yang
- School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou 510006, PR China
| | - Jianfeng Wang
- School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou 510006, PR China
| | - Min Hu
- School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou 510006, PR China
| | - Jianmei Mo
- School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou 510006, PR China
| | - Yuzhu Cheng
- School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou 510006, PR China
| | - Zhanlun Ou
- School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou 510006, PR China
| | - Zhenyu Jason Zhang
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Shixia Guan
- School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou 510006, PR China.
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89
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Zhang Y, Wang C, Liu Z, Meng Q, Huo X, Liu Q, Sun P, Yang X, Sun H, Ma X, Liu K. P-gp is involved in the intestinal absorption and biliary excretion of afatinib in vitro and in rats. Pharmacol Rep 2018; 70:243-250. [DOI: 10.1016/j.pharep.2017.10.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 10/08/2017] [Accepted: 10/17/2017] [Indexed: 10/18/2022]
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90
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Lopes A, Martins E, Silva R, Pinto MMM, Remião F, Sousa E, Fernandes C. Chiral Thioxanthones as Modulators of P-glycoprotein: Synthesis and Enantioselectivity Studies. Molecules 2018. [PMID: 29534440 PMCID: PMC6017912 DOI: 10.3390/molecules23030626] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Recently, thioxanthone derivatives were found to protect cells against toxic P-glycoprotein (P-gp) substrates, acting as potent inducers/activators of this efflux pump. The study of new P-gp chiral modulators produced from thioxanthone derivatives could clarify the enantioselectivity of this ABC transporter towards this new class of modulators. The aim of this study was to evaluate the P-gp modulatory ability of four enantiomeric pairs of new synthesized chiral aminated thioxanthones (ATxs) 1–8, studying the influence of the stereochemistry on P-gp induction/ activation in cultured Caco-2 cells. The data displayed that all the tested compounds (at 20 μM) significantly decreased the intracellular accumulation of a P-gp fluorescent substrate (rhodamine 123) when incubated simultaneously for 60 min, demonstrating an increased activity of the efflux, when compared to control cells. Additionally, all of them except ATx 3 (+), caused similar results when the accumulation of the P-gp fluorescent substrate was evaluated after pre-incubating cells with the test compounds for 24 h, significantly reducing the rhodamine 123 intracellular accumulation as a result of a significant increase in P-gp activity. However, ATx 2 (−) was the only derivative that, after 24 h of incubation, significantly increased P-gp expression. These results demonstrated a significantly increased P-gp activity, even without an increase in P-gp expression. Therefore, ATxs 1–8 were shown to behave as P-gp activators. Furthermore, no significant differences were detected in the activity of the protein when comparing the enantiomeric pairs. Nevertheless, ATx 2 (−) modulates P-gp expression differently from its enantiomer, ATx 1 (+). These results disclosed new activators and inducers of P-gp and highlight the existence of enantioselectivity in the induction mechanism.
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Affiliation(s)
- Ana Lopes
- Laboratory of Organic and Pharmaceutical Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
| | - Eva Martins
- REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, FFUP - Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
| | - Renata Silva
- REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, FFUP - Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
| | - Madalena M M Pinto
- Laboratory of Organic and Pharmaceutical Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
- Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal.
| | - Fernando Remião
- REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, FFUP - Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
| | - Emília Sousa
- Laboratory of Organic and Pharmaceutical Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
- Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal.
| | - Carla Fernandes
- Laboratory of Organic and Pharmaceutical Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
- Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal.
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91
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Waghray D, Zhang Q. Inhibit or Evade Multidrug Resistance P-Glycoprotein in Cancer Treatment. J Med Chem 2017; 61:5108-5121. [PMID: 29251920 DOI: 10.1021/acs.jmedchem.7b01457] [Citation(s) in RCA: 244] [Impact Index Per Article: 34.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Multidrug resistance (MDR) is a major cause of failure in cancer chemotherapy. P-glycoprotein (P-gp), a promiscuous drug efflux pump, has been extensively studied for its association with MDR due to overexpression in cancer cells. Several P-gp inhibitors or modulators have been investigated in clinical trials in hope of circumventing MDR, with only limited success. Alternative strategies are actively pursued, such as the modification of existing drugs, development of new drugs, or combination of novel drug delivery agents to evade P-gp-dependent efflux. Despite the importance and numerous studies, these efforts have mostly been undertaken without a priori knowledge of how drugs interact with P-gp at the molecular level. This review highlights and discusses progress toward and challenges impeding drug development for inhibiting or evading P-gp in the context of our improved understanding of the structural basis and mechanism of P-gp-mediated MDR.
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Affiliation(s)
- Deepali Waghray
- Department of Integrative Structural and Computational Biology , The Scripps Research Institute , La Jolla , California 92037 , United States
| | - Qinghai Zhang
- Department of Integrative Structural and Computational Biology , The Scripps Research Institute , La Jolla , California 92037 , United States
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92
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Yuan WQ, Zhang RR, Wang J, Ma Y, Li WX, Jiang RW, Cai SH. Asclepiasterol, a novel C21 steroidal glycoside derived from Asclepias curassavica, reverses tumor multidrug resistance by down-regulating P-glycoprotein expression. Oncotarget 2017; 7:31466-83. [PMID: 27129170 PMCID: PMC5058771 DOI: 10.18632/oncotarget.8965] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Accepted: 04/02/2016] [Indexed: 12/12/2022] Open
Abstract
Multidrug resistance (MDR) mediated by P-glycoprotein (P-gp) is a major cause of cancer therapy failure. In this study, we identified a novel C21 steroidal glycoside, asclepiasterol, capable of reversing P-gp-mediated MDR. Asclepiasterol (2.5 and 5.0μM) enhanced the cytotoxity of P-gp substrate anticancer drugs in MCF-7/ADR and HepG-2/ADM cells. MDR cells were more responsive to paclitaxel in the presence of asclepiasterol, and colony formation of MDR cells was only reduced upon treatment with a combination of asclepiasterol and doxorubicin. Consistent with these findings, asclepiasterol treatment increased the intracellular accumulation of doxorubicin and rhodamine 123 (Rh123) in MDR cells. Asclepiasterol decreased expression of P-gp protein without stimulating or suppressing MDR1 mRNA levels. Asclepiasterol-mediated P-gp suppression caused inhibition of ERK1/2 phosphorylation in two MDR cell types, and EGF, an activator of the MAPK/ERK pathway, reversed the P-gp down-regulation, implicating the MAPK/ERK pathway in asclepiasterol-mediated P-gp down-regulation. These results suggest that asclepiasterol could be developed as a modulator for reversing P-gp-mediated MDR in P-gp-overexpressing cancer variants.
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Affiliation(s)
- Wei-Qi Yuan
- College of Pharmacy, Jinan University, Guangzhou, 510632, P. R. China.,Department of Toxicology, Guangzhou Center for Disease Control and Prevention, Guangzhou, 511430, P. R. China
| | - Rong-Rong Zhang
- College of Pharmacy, Jinan University, Guangzhou, 510632, P. R. China
| | - Jun Wang
- College of Pharmacy, Jinan University, Guangzhou, 510632, P. R. China
| | - Yan Ma
- Department of Toxicology, Guangzhou Center for Disease Control and Prevention, Guangzhou, 511430, P. R. China
| | - Wen-Xue Li
- Department of Toxicology, Guangzhou Center for Disease Control and Prevention, Guangzhou, 511430, P. R. China
| | - Ren-Wang Jiang
- College of Pharmacy, Jinan University, Guangzhou, 510632, P. R. China
| | - Shao-Hui Cai
- College of Pharmacy, Jinan University, Guangzhou, 510632, P. R. China
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93
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Vitexin induces apoptosis by suppressing autophagy in multi-drug resistant colorectal cancer cells. Oncotarget 2017; 9:3278-3291. [PMID: 29423046 PMCID: PMC5790463 DOI: 10.18632/oncotarget.22890] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 11/15/2017] [Indexed: 12/22/2022] Open
Abstract
Cancer treatment is limited due to the diverse multidrug resistance acquired by cancer cells and the collateral damage caused to adjacent normal cells by chemotherapy. The flavonoid compound vitexin exhibits anti-oxidative, anti-inflammatory and anti-tumor activity. This study elucidated the antitumor effects of vitexin and its underlying mechanisms in a multi-drug resistant human colon cancer cell line (HCT-116DR), which exhibits higher levels of multidrug-resistant protein 1 (MDR1) expression as compared with its parental cell line (HCT-116). Here, we observed that vitexin suppressed MDR-1 expression and activity in HCT-116DR cells and showed cytotoxic effect in HCT-116DR cells by inhibiting autophagy and inducing apoptosis in a concentration-dependent manner. Additionally, vitexin treatment caused cleavage of caspase-9 and caspase-3, and upregulated the expression of the pro-apoptotic proteins, BID and Bax. Moreover, the expression of autophagy-related proteins, such as ATG5, Beclin-1 and LC3-II, was markedly reduced by vitexin treatment. Furthermore, in vivo experiments showed that vitexin induced apoptosis and suppressed tumor growth in HCT-116DR xenograft model. These results revealed that vitexin induced apoptosis through suppression of autophagy in vitro and in vivo and provide insight into the therapeutic potential of vitexin for the treatment of chemo-resistant colorectal cancer.
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94
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Ozgür B, Saaby L, Langthaler K, Brodin B. Characterization of the IPEC-J2 MDR1 (iP-gp) cell line as a tool for identification of P-gp substrates. Eur J Pharm Sci 2017; 112:112-121. [PMID: 29146563 DOI: 10.1016/j.ejps.2017.11.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Revised: 11/01/2017] [Accepted: 11/08/2017] [Indexed: 10/18/2022]
Abstract
Recently, we transfected the porcine intestinal cell line IPEC-J2, with human P-glycoprotein (P-gp, ABCB1). The resulting cell line, iP-gp, has a high expression of functional human P-gp in the apical membrane, and a low expression of nonhuman ATP-binding cassette (ABC) transporters. The aim of the present work was to investigate the usability of iP-gp cell line for determining transepithelial transport kinetics of the prototypical P-gp substrates digoxin and rhodamine 123. The cell line generated tight monolayers after 16days of culture, reflected by high transepithelial electrical resistance values (TEER>15,000Ω·cm2), immunocytochemistry and low fluxes of the paracellular flux marker [14C]-mannitol. Monolayer integrity was not affected the common solvents dimethyl sulfoxide (DMSO), methanol and ethanol in concentrations up to 2% (v/v). Transepithelial fluxes of [3H]-labeled digoxin and rhodamine 123 were measured at varying donor concentrations, and kinetic parameters were estimated. Km and Vmax of P-gp mediated basolateral-to-apical (B-A) flux of rhodamine 123 were estimated to 332±124μM and 111±16pmol·cm-2·min-1 (n=3, total N=6), respectively. Vmax and Km of digoxin B-A flux could not be estimated due to the low aqueous solubility of digoxin. The half maximal inhibitory concentrations (IC50) of the selective P-gp inhibitor, zosuquidar (LY-335979), were estimated to 0.05±0.01μM (n=3, total N=6) and 0.04±0.01μM (n=3, total N=6) in transport experiments with digoxin and rhodamine 123 as substrates, respectively. Bidirectional fluxes of digoxin and rhodamine 123 were measured in transfected Madin Darby canine kidney cells (MDCK II MDR1) and compared with the fluxes obtained with the iP-gp cell monolayers. Efflux ratios were highest in the iP-gp cells, due to a tighter paracellular pathway. In conclusion, both digoxin and rhodamine 123 could be used to obtain IC50 values of inhibition, Ki values were only possible to obtain using rhodamine 123. The observed tightness, robustness towards solvents and the high efflux ratios confirmed that the iP-gp cell line may serve as a useful screening tool for investigations of substrate-P-gp interactions and modulation of P-gp function.
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Affiliation(s)
- Burak Ozgür
- Section of Pharmaceutical Design and Drug Delivery, Department of Pharmacy, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Lasse Saaby
- Section of Pharmaceutical Design and Drug Delivery, Department of Pharmacy, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark; Bioneer-FARMA, Department of Pharmacy, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | | | - Birger Brodin
- Section of Pharmaceutical Design and Drug Delivery, Department of Pharmacy, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark.
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95
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Kaminskyy D, Kryshchyshyn A, Lesyk R. 5-Ene-4-thiazolidinones - An efficient tool in medicinal chemistry. Eur J Med Chem 2017; 140:542-594. [PMID: 28987611 PMCID: PMC7111298 DOI: 10.1016/j.ejmech.2017.09.031] [Citation(s) in RCA: 100] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2017] [Revised: 07/14/2017] [Accepted: 09/17/2017] [Indexed: 02/02/2023]
Abstract
The presented review is an attempt to summarize a huge volume of data on 5-ene-4-thiazolidinones being a widely studied class of small molecules used in modern organic and medicinal chemistry. The manuscript covers approaches to the synthesis of 5-ene-4-thiazolidinone derivatives: modification of the C5 position of the basic core; synthesis of the target compounds in the one-pot or multistage reactions or transformation of other related heterocycles. The most prominent pharmacological profiles of 5-ene derivatives of different 4-thiazolidinone subtypes belonging to hit-, lead-compounds, drug-candidates and drugs as well as the most studied targets have been discussed. Currently target compounds (especially 5-en-rhodanines) are assigned as frequent hitters or pan-assay interference compounds (PAINS) within high-throughput screening campaigns. Nevertheless, the crucial impact of the presence/nature of C5 substituent (namely 5-ene) on the pharmacological effects of 5-ene-4-thiazolidinones was confirmed by the numerous listed findings from the original articles. The main directions for active 5-ene-4-thiazolidinones optimization have been shown: i) complication of the fragment in the C5 position; ii) introduction of the substituents in the N3 position (especially fragments with carboxylic group or its derivatives); iii) annealing in complex heterocyclic systems; iv) combination with other pharmacologically attractive fragments within hybrid pharmacophore approach. Moreover, the utilization of 5-ene-4-thiazolidinones in the synthesis of complex compounds with potent pharmacological application is described. The chemical transformations cover mainly the reactions which involve the exocyclic double bond in C5 position of the main core and correspond to the abovementioned direction of the 5-ene-4-thiazolidinone modification.
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Affiliation(s)
- Danylo Kaminskyy
- Department of Pharmaceutical, Organic and Bioorganic Chemistry, Danylo Halytsky Lviv National Medical University, Pekarska 69, Lviv-10, 79010, Ukraine
| | - Anna Kryshchyshyn
- Department of Pharmaceutical, Organic and Bioorganic Chemistry, Danylo Halytsky Lviv National Medical University, Pekarska 69, Lviv-10, 79010, Ukraine
| | - Roman Lesyk
- Department of Pharmaceutical, Organic and Bioorganic Chemistry, Danylo Halytsky Lviv National Medical University, Pekarska 69, Lviv-10, 79010, Ukraine.
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96
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Abstract
Colchicine, the main alkaloid of the poisonous plant meadow saffron (Colchicum autumnale L.), is a classical drug used for the treatment of gout and familial Mediterranean fever. Although colchicine is not clinically used to treat cancer because of toxicity, it exerts antiproliferative effects through the inhibition of microtubule formation by blocking the cell cycle at the G2/M phase and triggering apoptosis. Colchicine can still be used as a lead compound for the generation of potential anticancer drugs. Thus, numerous analogues of colchicine have been synthesized in the hope of developing novel, useful drugs with more favourable pharmacological profiles. Several colchicine semisynthetics are less toxic than colchicine and research is being carried out on effective, less toxic colchicine semisynthetic formulations with potential drug-delivery strategies directly targeting multiple solid cancers. This review focuses on the anticancer role of some of colchicine-based derivatives and their therapeutic importance.
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97
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Skoupa N, Dolezel P, Ruzickova E, Mlejnek P. Apoptosis Induced by the Curcumin Analogue EF-24 Is Neither Mediated by Oxidative Stress-Related Mechanisms nor Affected by Expression of Main Drug Transporters ABCB1 and ABCG2 in Human Leukemia Cells. Int J Mol Sci 2017; 18:E2289. [PMID: 29088066 PMCID: PMC5713259 DOI: 10.3390/ijms18112289] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 10/23/2017] [Accepted: 10/24/2017] [Indexed: 11/26/2022] Open
Abstract
The synthetic curcumin analogue, 3,5-bis[(2-fluorophenyl)methylene]-4-piperidinone (EF-24), suppresses NF-κB activity and exhibits antiproliferative effects against a variety of cancer cells in vitro. Recently, it was reported that EF-24-induced apoptosis was mediated by a redox-dependent mechanism. Here, we studied the effects of N-acetylcysteine (NAC) on EF-24-induced cell death. We also addressed the question of whether the main drug transporters, ABCB1 and ABCG2, affect the cytotoxic of EF-24. We observed that EF-24 induced cell death with apoptotic hallmarks in human leukemia K562 cells. Importantly, the loss of cell viability was preceded by production of reactive oxygen species (ROS), and by a decrease of reduced glutathione (GSH). However, neither ROS production nor the decrease in GSH predominantly contributed to the EF-24-induced cell death. We found that EF-24 formed an adduct with GSH, which is likely the mechanism contributing to the decrease of GSH. Although NAC abrogated ROS production, decreased GSH and prevented cell death, its protective effect was mainly due to a rapid conversion of intra- and extra-cellular EF-24 into the EF-24-NAC adduct without cytotoxic effects. Furthermore, we found that neither overexpression of ABCB1 nor ABCG2 reduced the antiproliferative effects of EF-24. In conclusion, a redox-dependent-mediated mechanism only marginally contributes to the EF-24-induced apoptosis in K562 cells. The main mechanism of NAC protection against EF-24-induced apoptosis is conversion of cytotoxic EF-24 into the noncytotoxic EF-24-NAC adduct. Neither ABCB1 nor ABCG2 mediated resistance to EF-24.
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Affiliation(s)
- Nikola Skoupa
- Department of Anatomy, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 3, Olomouc 77515, Czech Republic.
| | - Petr Dolezel
- Department of Anatomy, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 3, Olomouc 77515, Czech Republic.
| | - Eliska Ruzickova
- Department of Anatomy, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 3, Olomouc 77515, Czech Republic.
| | - Petr Mlejnek
- Department of Anatomy, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 3, Olomouc 77515, Czech Republic.
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98
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Wang B, Zhao B, Chen ZS, Pang LP, Zhao YD, Guo Q, Zhang XH, Liu Y, Liu GY, Hao-Zhang, Zhang XY, Ma LY, Liu HM. Exploration of 1,2,3-triazole-pyrimidine hybrids as potent reversal agents against ABCB1-mediated multidrug resistance. Eur J Med Chem 2017; 143:1535-1542. [PMID: 29126726 DOI: 10.1016/j.ejmech.2017.10.041] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Revised: 10/13/2017] [Accepted: 10/15/2017] [Indexed: 01/21/2023]
Abstract
ABCB1-mediated multidrug resistance (MDR) is a principal obstacle for successful cancer chemotherapy. A series of pyrimidine-based hybrid molecules containing 1,2,3-triazole moiety were evaluated for their reversal activities against MDR. The majority of target compounds displayed moderate to great reversal potency. Among these compounds, compound 25 displayed the most potent reversal activity, about 7-fold more potent than Verapamil (VRP). Further mechanism studies revealed that compound 25 could obviously reverse paclitaxel (PTX) resistance in SW620/AD300 cells by increasing accumulation and extending maintenance of PTX. Our findings indicate that the 1,2,3-triazole-pyrimidine-based derivatives may serve as an interesting lead for the development of new potent and efficacious ABCB1-dependent MDR modulators.
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Affiliation(s)
- Bo Wang
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Bing Zhao
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Zhe-Sheng Chen
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA
| | - Lu-Ping Pang
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Yuan-Di Zhao
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Qian Guo
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Xin-Hui Zhang
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Ying Liu
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Guang-Yao Liu
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Hao-Zhang
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Xin-Yuan Zhang
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Li-Ying Ma
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China.
| | - Hong-Min Liu
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology of Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China.
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99
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Implications of ABCG2 Expression on Irinotecan Treatment of Colorectal Cancer Patients: A Review. Int J Mol Sci 2017; 18:ijms18091926. [PMID: 28880238 PMCID: PMC5618575 DOI: 10.3390/ijms18091926] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 08/30/2017] [Accepted: 09/02/2017] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND One of the main chemotherapeutic drugs used on a routine basis in patients with metastatic colorectal cancer ((m)CRC) is the topoisomerase-1 inhibitor, irinotecan. However, its usefulness is limited by the pre-existing or inevitable development of resistance. The ATP-binding cassette (ABC) transporter ABCG2/breast cancer resistance protein (BRCP) through its function in xenobiotic clearance might play an important role in irinotecan resistance. With a goal to evaluate the clinical significance of ABCG2 measurements, we here review the current literature on ABCG2 in relation to irinotecan treatment in CRC patients. RESULTS Few studies have evaluated the association between ABCG2 gene or protein expression and prognosis in CRC patients. Discordant results were reported. The discrepancies might be explained by the use of different criteria for interpretation of results in the immunohistochemistry studies. Only one large study evaluated the ABCG2 protein expression and efficacy of irinotecan in mCRC (CAIRO study, n = 566). This study failed to demonstrate any correlation between ABCG2 protein expression in the primary tumor and response to irinotecan-based treatment. We recently raised questions on how to evaluate ABCG2 immunoreactivity patterns, and the results in the CAIRO study might be influenced by using a different scoring protocol than the one proposed by us. In contrast, our recent exploratory study of ABCG2 mRNA expression in 580 patients with stage III primary CRC (subgroup from the randomized PETACC-3 study) indicated that high ABCG2 tumor tissue mRNA expression might be predictive for lack of efficacy of irinotecan. CONCLUSION The biological role of ABCG2 in predicting clinical irinotecan sensitivity/resistance in CRC is uncertain. In particular, the significance of ABCG2 cellular localization needs to be established. Data concerning ABCG2 mRNA expression and prediction of adjuvant irinotecan efficacy are still sparse and need to be confirmed.
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100
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McInerney MP, Pan Y, Short JL, Nicolazzo JA. Development and Validation of an In-Cell Western for Quantifying P-Glycoprotein Expression in Human Brain Microvascular Endothelial (hCMEC/D3) Cells. J Pharm Sci 2017; 106:2614-2624. [DOI: 10.1016/j.xphs.2016.12.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Revised: 12/06/2016] [Accepted: 12/07/2016] [Indexed: 10/20/2022]
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