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Sahores A, González AR, Yaneff A, May M, Gómez N, Monczor F, Fernández N, Davio C, Shayo C. Ceefourin-1, a MRP4/ABCC4 inhibitor, induces apoptosis in AML cells enhanced by histamine. Biochim Biophys Acta Gen Subj 2023; 1867:130322. [PMID: 36773726 DOI: 10.1016/j.bbagen.2023.130322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 01/27/2023] [Accepted: 02/06/2023] [Indexed: 02/12/2023]
Abstract
BACKGROUND Ceefourin-1 is a specific MRP4/ABCC4 inhibitor with potential antileukemic activity. In this study, we evaluate the ability of ceefourin-1 alone or in combination with histamine, an approved antileukemic agent, to induce cell differentiation or apoptosis in human acute myeloid leukemic cells. We also examine ceefourin-1 toxicity in mice. METHODS U937, HL-60, and KG1a cells were used as models for human acute myeloid leukemia. Cyclic AMP efflux was estimated by measuring intracellular and extracellular cAMP levels. Cell differentiation was assessed by levels of CD14 and CD11b by FACS, and CD88 by western blot, and by cell morphology. Apoptosis was evaluated by cleavage of caspase-3 and PARP by western blot, and by annexin V binding assay. Subacute toxicity study of ceefourin-1 was carried out in BALB/c mice. RESULTS Ceefourin-1 inhibits cAMP exclusion in AML cells and promotes intracellular signaling via CREB. Ceefourin-1 leads AML cells to apoptosis and histamine potentiates this effect, without evidence of cell differentiation. Intraperitoneal administration of ceefourin-1 shows no important alterations in mice blood parameters, hepatic, and renal functions, nor signs of histologic damage. CONCLUSIONS These results show that ceefourin-1 promotes apoptosis in AML cells that is enhanced by histamine. GENERAL SIGNIFICANCE This work indicates that ceefourin-1 represents a promising molecule that could be used alone or in combination with histamine for in vivo evaluation in acute myeloid leukemia malignancies.
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Affiliation(s)
- Ana Sahores
- Laboratorio de Patología y Farmacología Molecular, Instituto de Biología y Medicina Experimental - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET, Buenos Aires, Argentina; Instituto de Investigaciones Farmacológicas, ININFA - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET. Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Angela Rodríguez González
- Laboratorio de Patología y Farmacología Molecular, Instituto de Biología y Medicina Experimental - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET, Buenos Aires, Argentina
| | - Agustín Yaneff
- Instituto de Investigaciones Farmacológicas, ININFA - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET. Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - María May
- Instituto de Investigaciones Farmacológicas, ININFA - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET. Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Natalia Gómez
- Instituto de Investigaciones Farmacológicas, ININFA - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET. Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Federico Monczor
- Instituto de Investigaciones Farmacológicas, ININFA - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET. Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Natalia Fernández
- Instituto de Investigaciones Farmacológicas, ININFA - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET. Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Carlos Davio
- Instituto de Investigaciones Farmacológicas, ININFA - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET. Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Carina Shayo
- Laboratorio de Patología y Farmacología Molecular, Instituto de Biología y Medicina Experimental - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET, Buenos Aires, Argentina.
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Kamath A, Srinivasamurthy SK, Chowta MN, Ullal SD, Daali Y, Chakradhara Rao US. Role of Drug Transporters in Elucidating Inter-Individual Variability in Pediatric Chemotherapy-Related Toxicities and Response. Pharmaceuticals (Basel) 2022; 15:990. [PMID: 36015138 PMCID: PMC9415926 DOI: 10.3390/ph15080990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 08/01/2022] [Accepted: 08/04/2022] [Indexed: 11/16/2022] Open
Abstract
Pediatric cancer treatment has evolved significantly in recent decades. The implementation of risk stratification strategies and the selection of evidence-based chemotherapy combinations have improved survival outcomes. However, there is large interindividual variability in terms of chemotherapy-related toxicities and, sometimes, the response among this population. This variability is partly attributed to the functional variability of drug-metabolizing enzymes (DME) and drug transporters (DTS) involved in the process of absorption, distribution, metabolism and excretion (ADME). The DTS, being ubiquitous, affects drug disposition across membranes and has relevance in determining chemotherapy response in pediatric cancer patients. Among the factors affecting DTS function, ontogeny or maturation is important in the pediatric population. In this narrative review, we describe the role of drug uptake/efflux transporters in defining pediatric chemotherapy-treatment-related toxicities and responses. Developmental differences in DTS and the consequent implications are also briefly discussed for the most commonly used chemotherapeutic drugs in the pediatric population.
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Hu F, Chen XQ, Li XP, Lu YX, Chen SL, Wang DW, Liang Y, Dai YJ. Drug resistance biomarker ABCC4 of selinexor and immune feature in multiple myeloma. Int Immunopharmacol 2022; 108:108722. [DOI: 10.1016/j.intimp.2022.108722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 03/17/2022] [Accepted: 03/18/2022] [Indexed: 11/26/2022]
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Šimoničová K, Janotka Ľ, Kavcová H, Sulová Z, Breier A, Messingerova L. Different mechanisms of drug resistance to hypomethylating agents in the treatment of myelodysplastic syndromes and acute myeloid leukemia. Drug Resist Updat 2022; 61:100805. [DOI: 10.1016/j.drup.2022.100805] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/13/2022] [Accepted: 01/15/2022] [Indexed: 12/11/2022]
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Wu L, Ye K, Jiang S, Zhou G. Marine Power on Cancer: Drugs, Lead Compounds, and Mechanisms. Mar Drugs 2021; 19:md19090488. [PMID: 34564150 PMCID: PMC8472172 DOI: 10.3390/md19090488] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 08/19/2021] [Accepted: 08/24/2021] [Indexed: 12/12/2022] Open
Abstract
Worldwide, 19.3 million new cancer cases and almost 10.0 million cancer deaths occur each year. Recently, much attention has been paid to the ocean, the largest biosphere of the earth that harbors a great many different organisms and natural products, to identify novel drugs and drug candidates to fight against malignant neoplasms. The marine compounds show potent anticancer activity in vitro and in vivo, and relatively few drugs have been approved by the U.S. Food and Drug Administration for the treatment of metastatic malignant lymphoma, breast cancer, or Hodgkin's disease. This review provides a summary of the anticancer effects and mechanisms of action of selected marine compounds, including cytarabine, eribulin, marizomib, plitidepsin, trabectedin, zalypsis, adcetris, and OKI-179. The future development of anticancer marine drugs requires innovative biochemical biology approaches and introduction of novel therapeutic targets, as well as efficient isolation and synthesis of marine-derived natural compounds and derivatives.
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Affiliation(s)
- Lichuan Wu
- Medical College, Guangxi University, Nanning 530004, China;
| | - Ke Ye
- School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China;
| | - Sheng Jiang
- School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China;
- Correspondence: (S.J.); (G.Z.)
| | - Guangbiao Zhou
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
- Correspondence: (S.J.); (G.Z.)
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Fajardo-Orduña GR, Ledesma-Martínez E, Aguiñiga-Sánchez I, Mora-García MDL, Weiss-Steider B, Santiago-Osorio E. Inhibitors of Chemoresistance Pathways in Combination with Ara-C to Overcome Multidrug Resistance in AML. A Mini Review. Int J Mol Sci 2021; 22:ijms22094955. [PMID: 34066940 PMCID: PMC8124548 DOI: 10.3390/ijms22094955] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 04/30/2021] [Accepted: 05/03/2021] [Indexed: 12/12/2022] Open
Abstract
Acute myeloid leukemia (AML), the most common type of leukemia in older adults, is a heterogeneous disease that originates from the clonal expansion of undifferentiated hematopoietic progenitor cells. These cells present a remarkable variety of genes and proteins with altered expression and function. Despite significant advances in understanding the molecular panorama of AML and the development of therapies that target mutations, survival has not improved significantly, and the therapy standard is still based on highly toxic chemotherapy, which includes cytarabine (Ara-C) and allogeneic hematopoietic cell transplantation. Approximately 60% of AML patients respond favorably to these treatments and go into complete remission; however, most eventually relapse, develop refractory disease or chemoresistance, and do not survive for more than five years. Therefore, drug resistance that initially occurs in leukemic cells (primary resistance) or that develops during or after treatment (acquired resistance) has become the main obstacle to AML treatment. In this work, the main molecules responsible for generating chemoresistance to Ara-C in AML are discussed, as well as some of the newer strategies to overcome it, such as the inclusion of molecules that can induce synergistic cytotoxicity with Ara-C (MNKI-8e, emodin, metformin and niclosamide), subtoxic concentrations of chemotherapy (PD0332991), and potently antineoplastic treatments that do not damage nonmalignant cells (heteronemin or hydroxyurea + azidothymidine).
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Affiliation(s)
- Guadalupe Rosario Fajardo-Orduña
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, FES Zaragoza, National Autonomous University of Mexico, 09230 Mexico City, Mexico; (G.R.F.-O.); (E.L.-M.); (I.A.-S.); (B.W.-S.)
| | - Edgar Ledesma-Martínez
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, FES Zaragoza, National Autonomous University of Mexico, 09230 Mexico City, Mexico; (G.R.F.-O.); (E.L.-M.); (I.A.-S.); (B.W.-S.)
| | - Itzen Aguiñiga-Sánchez
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, FES Zaragoza, National Autonomous University of Mexico, 09230 Mexico City, Mexico; (G.R.F.-O.); (E.L.-M.); (I.A.-S.); (B.W.-S.)
- Department of Biomedical Sciences, School of Medicine, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, 09230 Mexico City, Mexico
| | - María de Lourdes Mora-García
- Immunobiology Laboratory, Research Unit on Cell Differentiation and Cancer, FES Zaragoza, National Autonomous University of Mexico, 09230 Mexico City, Mexico;
| | - Benny Weiss-Steider
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, FES Zaragoza, National Autonomous University of Mexico, 09230 Mexico City, Mexico; (G.R.F.-O.); (E.L.-M.); (I.A.-S.); (B.W.-S.)
| | - Edelmiro Santiago-Osorio
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, FES Zaragoza, National Autonomous University of Mexico, 09230 Mexico City, Mexico; (G.R.F.-O.); (E.L.-M.); (I.A.-S.); (B.W.-S.)
- Correspondence: ; Tel.: +52-55-57-73-41-08
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de Farias Gabriel A, Silveira FM, Curra M, Schuch LF, Wagner VP, Martins MAT, da Silveira Matte U, Siebert M, Botton MR, Brunetto AT, Gregianin LJ, Martins MD. Risk factors associated with the development of oral mucositis in pediatric oncology patients: Systematic review and meta-analysis. Oral Dis 2021; 28:1068-1084. [PMID: 33774891 DOI: 10.1111/odi.13863] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 03/02/2021] [Accepted: 03/25/2021] [Indexed: 12/16/2022]
Abstract
OBJECTIVES Oral mucositis (OM) is an acute toxicity related to cancer treatment. This systematic review aimed to identify potential risk factors associated with the development of OM in pediatric cancer patients. METHODS A search was performed in four electronic databases to identify studies that analyzed risk factors for OM in pediatric cancer patients. RESULTS Nineteen articles were included. The incidence of OM ranged from 20% to 80.4%. Chemotherapeutic agents were potential risk factors for OM in eight (42%) studies. Hematological, hepatic, and renal parameters were also considered in eight (42%) studies, while specific individual factors were reported in five (26.3%) studies. Baseline disease, oral microbiota, genetic profile, and biomarkers were reported in four (21.5%) studies each. Meta-analysis showed that groups submitted to high-risk chemotherapy for OM had a 2.79-fold increased risk of OM. CONCLUSIONS Identifying risk factors for OM is essential in order to allow individualized and early prevention treatment.
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Affiliation(s)
- Amanda de Farias Gabriel
- Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Felipe Martins Silveira
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
| | - Marina Curra
- Department of Oral Pathology, University of Caxias do Sul (UCS), Caxias do Sul, Porto Alegre, Brazil
| | - Lauren Frenzel Schuch
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
| | - Vivian Petersen Wagner
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
| | - Marco Antonio Trevizani Martins
- Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.,Department of Oral Medicine, Hospital de Clínicas de Porto Alegre (HCPA/UFRGS), Porto Alegre, Brazil
| | - Ursula da Silveira Matte
- Molecular and Protein Analysis Unit (UAMP), Hospital de Clínicas de Porto Alegre (HCPA/UFRGS), Porto Alegre, Brazil
| | - Marina Siebert
- Molecular and Protein Analysis Unit (UAMP), Hospital de Clínicas de Porto Alegre (HCPA/UFRGS), Porto Alegre, Brazil
| | - Mariana Rodrigues Botton
- Molecular and Protein Analysis Unit (UAMP), Hospital de Clínicas de Porto Alegre (HCPA/UFRGS), Porto Alegre, Brazil
| | | | - Lauro José Gregianin
- Department of Pediatric Oncology, Porto Alegre Clínicas Hospital (HCPA/UFRGS), Porto Alegre, Brazil
| | - Manoela Domingues Martins
- Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.,Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil.,Department of Oral Medicine, Hospital de Clínicas de Porto Alegre (HCPA/UFRGS), Porto Alegre, Brazil
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Chen W, Mou KY, Solomon P, Aggarwal R, Leung KK, Wells JA. Large remodeling of the Myc-induced cell surface proteome in B cells and prostate cells creates new opportunities for immunotherapy. Proc Natl Acad Sci U S A 2021; 118:e2018861118. [PMID: 33483421 PMCID: PMC7848737 DOI: 10.1073/pnas.2018861118] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
MYC is a powerful transcription factor overexpressed in many human cancers including B cell and prostate cancers. Antibody therapeutics are exciting opportunities to attack cancers but require knowledge of surface proteins that change due to oncogene expression. To identify how MYC overexpression remodels the cell surface proteome in a cell autologous fashion and in different cell types, we investigated the impact of MYC overexpression on 800 surface proteins in three isogenic model cell lines either of B cell or prostate cell origin engineered to have high or low MYC levels. We found that MYC overexpression resulted in dramatic remodeling (both up- and down-regulation) of the cell surfaceome in a cell type-dependent fashion. We found systematic and large increases in distinct sets of >80 transporters including nucleoside transporters and nutrient transporters making cells more sensitive to toxic nucleoside analogs like cytarabine, commonly used for treating hematological cancers. Paradoxically, MYC overexpression also increased expression of surface proteins driving cell turnover such as TNFRSF10B, also known as death receptor 5, and immune cell attacking signals such as the natural killer cell activating ligand NCR3LG1, also known as B7-H6. We generated recombinant antibodies to these two targets and verified their up-regulation in MYC overexpression cell lines and showed they were sensitive to bispecific T cell engagers (BiTEs). Our studies demonstrate how MYC overexpression leads to dramatic bidirectional remodeling of the surfaceome in a cell type-dependent but functionally convergent fashion and identify surface targets or combinations thereof as possible candidates for cytotoxic metabolite or immunotherapy.
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Affiliation(s)
- Wentao Chen
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158
- Department of Therapeutic Discovery, Amgen Research, Thousand Oaks, CA 91320
| | - Kurt Yun Mou
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan 11529
| | - Paige Solomon
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158
| | - Rahul Aggarwal
- Department of Medicine, University of California, San Francisco, CA 94158
| | - Kevin K Leung
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158
| | - James A Wells
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158;
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA 94158
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Levin M, Stark M, Ofran Y, Assaraf YG. Deciphering molecular mechanisms underlying chemoresistance in relapsed AML patients: towards precision medicine overcoming drug resistance. Cancer Cell Int 2021; 21:53. [PMID: 33446189 PMCID: PMC7809753 DOI: 10.1186/s12935-021-01746-w] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 01/02/2021] [Indexed: 12/13/2022] Open
Abstract
Background Acute myeloid leukemia (AML) remains a devastating disease with a 5-year survival rate of less than 30%. AML treatment has undergone significant changes in recent years, incorporating novel targeted therapies along with improvements in allogeneic bone marrow transplantation techniques. However, the standard of care remains cytarabine and anthracyclines, and the primary hindrance towards curative treatment is the frequent emergence of intrinsic and acquired anticancer drug resistance. In this respect, patients presenting with chemoresistant AML face dismal prognosis even with most advanced therapies. Herein, we aimed to explore the potential implementation of the characterization of chemoresistance mechanisms in individual AML patients towards efficacious personalized medicine. Methods Towards the identification of tailored treatments for individual patients, we herein present the cases of relapsed AML patients, and compare them to patients displaying durable remissions following the same chemotherapeutic induction treatment. We quantified the expression levels of specific genes mediating drug transport and metabolism, nucleotide biosynthesis, and apoptosis, in order to decipher the molecular mechanisms underlying intrinsic and/or acquired chemoresistance modalities in relapsed patients. This was achieved by real-time PCR using patient cDNA, and could be readily implemented in the clinical setting. Results This analysis revealed pre-existing differences in gene expression levels between the relapsed patients and patients with lasting remissions, as well as drug-induced alterations at different relapse stages compared to diagnosis. Each of the relapsed patients displayed unique chemoresistance mechanisms following similar treatment protocols, which could have been missed in a large study aimed at identifying common drug resistance determinants. Conclusions Our findings emphasize the need for standardized evaluation of key drug transport and metabolism genes as an integral component of routine AML management, thereby allowing for the selection of treatments of choice for individual patients. This approach could facilitate the design of efficacious personalized treatment regimens, thereby reducing relapse rates of therapy refractory disease.
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Affiliation(s)
- May Levin
- The Fred Wyszkowski Cancer Research Laboratory, Dept. of Biology, Technion-Israel Institute of Technology, 3200003, Haifa, Israel
| | - Michal Stark
- The Fred Wyszkowski Cancer Research Laboratory, Dept. of Biology, Technion-Israel Institute of Technology, 3200003, Haifa, Israel
| | - Yishai Ofran
- Department of Hematology and Bone Marrow Transplantation, Rambam Health Care Campus, Haifa, Israel.
| | - Yehuda G Assaraf
- The Fred Wyszkowski Cancer Research Laboratory, Dept. of Biology, Technion-Israel Institute of Technology, 3200003, Haifa, Israel.
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Döring H, Kreutzer D, Ritter C, Hilgeroth A. Discovery of Novel Symmetrical 1,4-Dihydropyridines as Inhibitors of Multidrug-Resistant Protein (MRP4) Efflux Pump for Anticancer Therapy. Molecules 2020; 26:molecules26010018. [PMID: 33375210 PMCID: PMC7793087 DOI: 10.3390/molecules26010018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 12/11/2020] [Accepted: 12/17/2020] [Indexed: 11/16/2022] Open
Abstract
Despite the development of targeted therapies in cancer, the problem of multidrug resistance (MDR) is still unsolved. Most patients with metastatic cancer die from MDR. Transmembrane efflux pumps as the main cause of MDR have been addressed by developed inhibitors, but early inhibitors of the most prominent and longest known efflux pump P-glycoprotein (P-gp) were disappointing. Those inhibitors have been used without knowledge about the expression of P-gp by the treated tumor. Therefore the use of inhibitors of transmembrane efflux pumps in clinical settings is reconsidered as a promising strategy in the case of the respective efflux pump expression. We discovered novel symmetric inhibitors of the symmetric efflux pump MRP4 encoded by the ABCC4 gene. MRP4 is involved in many kinds of cancer with resistance to anticancer drugs. All compounds showed better activities than the best known MRP4 inhibitor MK571 in an MRP4-overexpressing cell line assay, and the activities could be related to the various substitution patterns of aromatic residues within the symmetric molecular framework. One of the best compounds was demonstrated to overcome the MRP4-mediated resistance in the cell line model to restore the anticancer drug sensitivity as a proof of concept.
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Affiliation(s)
- Henry Döring
- Research Group of Drug Development, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, 06120 Halle, Germany; (H.D.); (D.K.)
| | - David Kreutzer
- Research Group of Drug Development, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, 06120 Halle, Germany; (H.D.); (D.K.)
| | - Christoph Ritter
- Department of Clinical Pharmacy, Institute of Pharmacy, Ernst Moritz Arndt University Greifswald, 17489 Greifswald, Germany;
| | - Andreas Hilgeroth
- Research Group of Drug Development, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, 06120 Halle, Germany; (H.D.); (D.K.)
- Correspondence: ; Tel.: +49-345-55-25168
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Buelow DR, Anderson JT, Pounds SB, Shi L, Lamba JK, Hu S, Gibson AA, Goodwin EA, Sparreboom A, Baker SD. DNA Methylation-Based Epigenetic Repression of SLC22A4 Promotes Resistance to Cytarabine in Acute Myeloid Leukemia. Clin Transl Sci 2020; 14:137-142. [PMID: 32905646 PMCID: PMC7877866 DOI: 10.1111/cts.12861] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 07/07/2020] [Indexed: 12/18/2022] Open
Abstract
Reduced expression of the uptake transporter, OCTN1 (SLC22A4), has been reported as a strong predictor of poor event-free and overall survival in multiple cohorts of patients with acute myeloid leukemia (AML) receiving the cytidine nucleoside analog, cytarabine (Ara-C). To further understand the mechanistic basis of interindividual variability in the functional expression of OCTN1 in AML, we hypothesized a mechanistic connection to DNA methylation-based epigenetic repression of SLC22A4. We found increased basal SLC22A4 methylation was associated with decreased Ara-C uptake in AML cell lines. Pre-treatment with hypomethylating agents, 5-azacytidine, or decitabine, restored SLC22A4 mRNA expression, increased cellular uptake of Ara-C, and was associated with increased cellular sensitivity to Ara-C compared with vehicle-treated cells. Additionally, lower SLC22A4 methylation status was associated with distinct clinical advantages in both adult and pediatric patients with AML. These findings suggest a regulatory mechanism is involved in the interindividual variability in response to Ara-C, and provides a basis for the integration of hypomethylating agents into Ara-C-based treatment regimens.
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Affiliation(s)
- Daelynn R Buelow
- Division of Pharmaceutics and Pharmacology, College of Pharmacy and Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Jason T Anderson
- Division of Pharmaceutics and Pharmacology, College of Pharmacy and Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Stanley B Pounds
- Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Lei Shi
- Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Jatinder K Lamba
- Department of Pharmacotherapy and Translational Research, University of Florida, Gainesville, Florida, USA
| | - Shuiying Hu
- Division of Pharmaceutics and Pharmacology, College of Pharmacy and Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Alice A Gibson
- Division of Pharmaceutics and Pharmacology, College of Pharmacy and Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Emily A Goodwin
- Division of Pharmaceutics and Pharmacology, College of Pharmacy and Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Alex Sparreboom
- Division of Pharmaceutics and Pharmacology, College of Pharmacy and Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Sharyn D Baker
- Division of Pharmaceutics and Pharmacology, College of Pharmacy and Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
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Rodríguez González A, Sahores A, Díaz-Nebreda A, Yaneff A, Di Siervi N, Gómez N, Monczor F, Fernández N, Davio C, Shayo C. MRP4/ABCC4 expression is regulated by histamine in acute myeloid leukemia cells, determining cAMP efflux. FEBS J 2020; 288:229-243. [PMID: 32333821 DOI: 10.1111/febs.15344] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 03/02/2020] [Accepted: 04/22/2020] [Indexed: 12/14/2022]
Abstract
Intracellular cAMP (i-cAMP) levels play an important role in acute myeloid leukemia (AML) cell proliferation and differentiation. Its levels are the result of cAMP production, degradation, and exclusion. We have previously described histamine H2 receptors and MRP4/ABCC4 as two potential targets for AML therapy. Acting through histamine H2 receptors, histamine increases cAMP production/synthesis, while MRP4/ABCC4 is responsible for the exclusion of this cyclic nucleotide. In this study, we show that histamine treatment induces MRP4/ABCC4 expression, augmenting cAMP efflux, and that histamine, in combination with MRP inhibitors, is able to reduce AML cell proliferation. Histamine, through histamine H2 receptor, increases i-cAMP levels and induces MRP4 transcript and protein levels in U937, KG1a, and HL-60 cells. Moreover, histamine induces MRP4 promoter activity in HEK293T cells transfected with histamine H2 receptor (HEK293T-H2 R). Our results support that the cAMP/Epac-PKA pathway, and not MEK/ERK nor PI3K/AKT signaling cascades, is involved in histamine-mediated upregulation of MRP4 levels. Finally, the addition of histamine potentiates the inhibition of U937, KG1a, and HL-60 cell proliferation induced by MRP4 inhibitors. Our data highlight that the use of a poly-pharmacological approach aimed at different molecular targets would be beneficial in AML treatment.
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Affiliation(s)
| | - Ana Sahores
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina
| | - Antonela Díaz-Nebreda
- Instituto de Biología y Medicina Experimental (IBYME-CONICET), Buenos Aires, Argentina
| | - Agustín Yaneff
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina
| | - Nicolás Di Siervi
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina
| | - Natalia Gómez
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina
| | - Federico Monczor
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina
| | - Natalia Fernández
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina
| | - Carlos Davio
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina
| | - Carina Shayo
- Instituto de Biología y Medicina Experimental (IBYME-CONICET), Buenos Aires, Argentina
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13
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Xie Y, Gao L, Xu C, Chu L, Gao L, Wu R, Liu Y, Liu T, Sun XJ, Ren R, Tang J, Zheng Y, Zhou Y, Shen S. ARHGEF12 regulates erythropoiesis and is involved in erythroid regeneration after chemotherapy in acute lymphoblastic leukemia patients. Haematologica 2019; 105:925-936. [PMID: 31467124 PMCID: PMC7109745 DOI: 10.3324/haematol.2018.210286] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Accepted: 08/22/2019] [Indexed: 12/04/2022] Open
Abstract
Hematopoiesis is a finely regulated process in vertebrates under both homeostatic and stress conditions. By whole exome sequencing, we studied the genomics of acute lymphoblastic leukemia (ALL) patients who needed multiple red blood cell (RBC) transfusions after intensive chemotherapy treatment. ARHGEF12, encoding a RhoA guanine nucleotide exchange factor, was found to be associated with chemotherapy-induced anemia by genome-wide association study analyses. A single nucleotide polymorphism (SNP) of ARHGEF12 located in an intron predicted to be a GATA1 binding site, rs10892563, is significantly associated with patients who need RBC transfusion (P=3.469E-03, odds ratio 5.864). A luciferase reporter assay revealed that this SNP impairs GATA1-mediated trans-regulation of ARHGEF12, and quantitative polymerase chain reaction studies confirmed that the homozygotes status is associated with an approximately 61% reduction in ARHGEF12 expression (P=0.0088). Consequently, erythropoiesis was affected at the pro-erythroblast phases. The role of ARHGEF12 and its homologs in erythroid differentiation was confirmed in human K562 cells, mouse 32D cells and primary murine bone marrow cells. We further demonstrated in zebrafish by morpholino-mediated knockdown and CRISPR/Cas9-mediated knockout of arhgef12 that its reduction resulted in erythropoiesis defects. The p38 kinase pathway was affected by the ARHGEF12-RhoA signaling in K562 cells, and consistently, the Arhgef12-RhoA-p38 pathway was also shown to be important for erythroid differentiation in zebrafish as active RhoA or p38 readily rescued the impaired erythropoiesis caused by arhgef12 knockdown. Finally, ARHGEF12-mediated p38 activity also appeared to be involved in phenotypes of patients of the rs10892563 homozygous genotype. Our findings present a novel SNP of ARHGEF12 that may involve ARHGEF12-RhoA-p38 signaling in erythroid regeneration in ALL patients after chemotherapy.
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Affiliation(s)
- Yangyang Xie
- Key Lab of Pediatrics Hematology/Oncology, Ministry of Health, Department of Hematology/Oncology, Shanghai Children's Medical Center, Shanghai Jiao Tong University, Shanghai, China
| | - Li Gao
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Chunhui Xu
- Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Liming Chu
- Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China.,CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Lei Gao
- CAS Key Laboratory of Genome Sciences and Information, Beijing Institute of Genomics, Beijing, China
| | - Ruichi Wu
- Key Lab of Pediatrics Hematology/Oncology, Ministry of Health, Department of Hematology/Oncology, Shanghai Children's Medical Center, Shanghai Jiao Tong University, Shanghai, China
| | - Yu Liu
- Key Lab of Pediatrics Hematology/Oncology, Ministry of Health, Department of Hematology/Oncology, Shanghai Children's Medical Center, Shanghai Jiao Tong University, Shanghai, China
| | - Ting Liu
- Key Lab of Pediatrics Hematology/Oncology, Ministry of Health, Department of Hematology/Oncology, Shanghai Children's Medical Center, Shanghai Jiao Tong University, Shanghai, China
| | - Xiao-Jian Sun
- State Key Laboratory for Medical Genomics, Shanghai Institute of Hematology, Ruijin Hospital, Shanghai, China
| | - Ruibao Ren
- State Key Laboratory for Medical Genomics, Shanghai Institute of Hematology, Ruijin Hospital, Shanghai, China
| | - Jingyan Tang
- Key Lab of Pediatrics Hematology/Oncology, Ministry of Health, Department of Hematology/Oncology, Shanghai Children's Medical Center, Shanghai Jiao Tong University, Shanghai, China
| | - Yi Zheng
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Research Foundation, Cincinnati, OH, USA
| | - Yong Zhou
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Shuhong Shen
- Key Lab of Pediatrics Hematology/Oncology, Ministry of Health, Department of Hematology/Oncology, Shanghai Children's Medical Center, Shanghai Jiao Tong University, Shanghai, China
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14
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Drenberg CD, Shelat A, Dang J, Cotton A, Orwick SJ, Li M, Jeon JY, Fu Q, Buelow DR, Pioso M, Hu S, Inaba H, Ribeiro RC, Rubnitz JE, Gruber TA, Guy RK, Baker SD. A high-throughput screen indicates gemcitabine and JAK inhibitors may be useful for treating pediatric AML. Nat Commun 2019; 10:2189. [PMID: 31097698 PMCID: PMC6522510 DOI: 10.1038/s41467-019-09917-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 04/05/2019] [Indexed: 12/16/2022] Open
Abstract
Improvement in survival has been achieved for children and adolescents with AML but is largely attributed to enhanced supportive care as opposed to the development of better treatment regimens. High risk subtypes continue to have poor outcomes with event free survival rates <40% despite the use of high intensity chemotherapy in combination with hematopoietic stem cell transplant. Here we combine high-throughput screening, intracellular accumulation assays, and in vivo efficacy studies to identify therapeutic strategies for pediatric AML. We report therapeutics not currently used to treat AML, gemcitabine and cabazitaxel, have broad anti-leukemic activity across subtypes and are more effective relative to the AML standard of care, cytarabine, both in vitro and in vivo. JAK inhibitors are selective for acute megakaryoblastic leukemia and significantly prolong survival in multiple preclinical models. Our approach provides advances in the development of treatment strategies for pediatric AML.
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MESH Headings
- Adult
- Animals
- Antineoplastic Combined Chemotherapy Protocols/pharmacology
- Antineoplastic Combined Chemotherapy Protocols/therapeutic use
- Bone Marrow/pathology
- Bone Marrow/radiation effects
- Bone Marrow Transplantation
- Cell Line, Tumor
- Child
- Child, Preschool
- Cytarabine/pharmacology
- Cytarabine/therapeutic use
- Deoxycytidine/analogs & derivatives
- Deoxycytidine/pharmacology
- Deoxycytidine/therapeutic use
- Disease-Free Survival
- Female
- High-Throughput Screening Assays/methods
- Humans
- Infant
- Janus Kinase Inhibitors/pharmacology
- Janus Kinase Inhibitors/therapeutic use
- Leukemia, Experimental/drug therapy
- Leukemia, Experimental/etiology
- Leukemia, Experimental/mortality
- Leukemia, Experimental/pathology
- Leukemia, Myeloid, Acute/drug therapy
- Leukemia, Myeloid, Acute/mortality
- Leukemia, Myeloid, Acute/pathology
- Male
- Mice
- Mice, Inbred C57BL
- Mice, Transgenic
- Taxoids/pharmacology
- Taxoids/therapeutic use
- Whole-Body Irradiation/adverse effects
- Xenograft Model Antitumor Assays
- Young Adult
- Gemcitabine
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Affiliation(s)
- Christina D Drenberg
- Division of Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH, 43210, USA.
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, 43210, USA.
| | - Anang Shelat
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Jinjun Dang
- Department of Oncology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Anitria Cotton
- Department of Oncology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Shelley J Orwick
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, 43210, USA
| | - Mengyu Li
- Division of Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH, 43210, USA
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, 43210, USA
| | - Jae Yoon Jeon
- Division of Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH, 43210, USA
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, 43210, USA
| | - Qiang Fu
- Division of Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH, 43210, USA
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, 43210, USA
| | - Daelynn R Buelow
- Division of Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH, 43210, USA
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, 43210, USA
| | - Marissa Pioso
- Division of Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH, 43210, USA
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, 43210, USA
| | - Shuiying Hu
- Division of Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH, 43210, USA
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, 43210, USA
| | - Hiroto Inaba
- Department of Oncology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Raul C Ribeiro
- Department of Oncology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Jeffrey E Rubnitz
- Department of Oncology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Tanja A Gruber
- Department of Oncology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - R Kiplin Guy
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY, 40506, USA
| | - Sharyn D Baker
- Division of Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH, 43210, USA
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, 43210, USA
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15
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Abstract
The transport of specific molecules across lipid membranes is an essential function of all living organisms. The processes are usually mediated by specific transporters. One of the largest transporter families is the ATP-binding cassette (ABC) family. More than 40 ABC transporters have been identified in human, which are divided into 7 subfamilies (ABCA to ABCG) based on their gene structure, amino acid sequence, domain organization, and phylogenetic analysis. Of them, at least 11 ABC transporters including P-glycoprotein (P-GP/ABCB1), multidrug resistance-associated proteins (MRPs/ABCCs), and breast cancer resistance protein (BCRP/ABCG2) are involved in multidrug resistance (MDR) development. These ABC transporters are expressed in various tissues such as the liver, intestine, kidney, and brain, playing important roles in absorption, distribution, and excretion of drugs. Some ABC transporters are also involved in diverse cellular processes such as maintenance of osmotic homeostasis, antigen processing, cell division, immunity, cholesterol, and lipid trafficking. Several human diseases such as cystic fibrosis, sitosterolemia, Tangier disease, intrahepatic cholestasis, and retinal degeneration are associated with mutations in corresponding transporters. This chapter will describe function and expression of several ABC transporters (such as P-GP, BCRP, and MRPs), their substrates and inhibitors, as well as their clinical significance.
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Affiliation(s)
- Xiaodong Liu
- China Pharmaceutical University, Nanjing, China.
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16
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Pitre A, Ge Y, Lin W, Wang Y, Fukuda Y, Temirov J, Phillips AH, Peters JL, Fan Y, Ma J, Nourse A, Sinha C, Lin H, Kriwacki R, Downing JR, Gruber TA, Centonze VE, Naren AP, Chen T, Schuetz JD. An unexpected protein interaction promotes drug resistance in leukemia. Nat Commun 2017; 8:1547. [PMID: 29146910 DOI: 10.1038/s41467-017-01678-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Accepted: 10/06/2017] [Indexed: 01/28/2023] Open
Abstract
The overall survival of patients with acute myeloid leukemia (AML) is poor and identification of new disease-related therapeutic targets remains a major goal for this disease. Here we show that expression of MPP1, a PDZ-domain-containing protein, highly correlated with ABCC4 in AML, is associated with worse overall survival in AML. Murine hematopoietic progenitor cells overexpressing MPP1 acquired the ability to serially replate in methylcellulose culture, a property crucially dependent upon ABCC4. The highly conserved PDZ-binding motif of ABCC4 is required for ABCC4 and MPP1 to form a protein complex, which increased ABCC4 membrane localization and retention, to enhance drug resistance. Specific disruption of this protein complex, either genetically or chemically, removed ABCC4 from the plasma membrane, increased drug sensitivity, and abrogated MPP1-dependent hematopoietic progenitor cell replating in methylcellulose. High-throughput screening identified Antimycin A as a small molecule that disrupted the ABCC4–MPP1 protein complex and reversed drug resistance in AML cell lines and in primary patient AML cells. In all, targeting the ABCC4–MPP1 protein complex can lead to new therapies to improve treatment outcome of AML, a disease where the long-term prognosis is poor. ABCC4 is a chemotherapeutic drug exporter highly expressed in acute myeloid leukemia. Here, the authors demonstrate that MPP1 anchors ABCC4 to the outer cell membrane mediating drug resistance in leukemic cells and identify antimycin A as a chemical probe that disrupts such interaction and restores sensitivity.
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17
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Drenberg CD, Gibson AA, Pounds SB, Shi L, Rhinehart DP, Li L, Hu S, Du G, Nies AT, Schwab M, Pabla N, Blum W, Gruber TA, Baker SD, Sparreboom A. OCTN1 Is a High-Affinity Carrier of Nucleoside Analogues. Cancer Res 2017; 77:2102-2111. [PMID: 28209616 DOI: 10.1158/0008-5472.can-16-2548] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Revised: 01/06/2017] [Accepted: 01/24/2017] [Indexed: 11/16/2022]
Abstract
Resistance to xenobiotic nucleosides used to treat acute myeloid leukemia (AML) and other cancers remains a major obstacle to clinical management. One process suggested to participate in resistance is reduced uptake into tumor cells via nucleoside transporters, although precise mechanisms are not understood. Through transcriptomic profiling, we determined that low expression of the ergothioneine transporter OCTN1 (SLC22A4; ETT) strongly predicts poor event-free survival and overall survival in multiple cohorts of AML patients receiving treatment with the cytidine nucleoside analogue cytarabine. Cell biological studies confirmed OCTN1-mediated transport of cytarabine and various structurally related cytidine analogues, such as 2'deoxycytidine and gemcitabine, occurs through a saturable process that is highly sensitive to inhibition by the classic nucleoside transporter inhibitors dipyridamole and nitrobenzylmercaptopurine ribonucleoside. Our findings have immediate clinical implications given the potential of the identified transport system to help refine strategies that could improve patient survival across multiple cancer types where nucleoside analogues are used in cancer treatment. Cancer Res; 77(8); 2102-11. ©2017 AACR.
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Affiliation(s)
- Christina D Drenberg
- Division of Pharmaceutics, College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Alice A Gibson
- Division of Pharmaceutics, College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Stanley B Pounds
- Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, Tennessee
| | - Lei Shi
- Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, Tennessee
| | - Dena P Rhinehart
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee
| | - Lie Li
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee
| | - Shuiying Hu
- Division of Pharmaceutics, College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Guoqing Du
- Department of Oncology, St. Jude Children's Research Hospital, Memphis, Tennessee
| | - Anne T Nies
- Dr. Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, Germany.,University of Tübingen, Tübingen, Germany
| | - Matthias Schwab
- Dr. Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, Germany.,Department of Clinical Pharmacology, University Hospital, Tübingen, Germany
| | - Navjotsingh Pabla
- Division of Pharmaceutics, College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - William Blum
- Division of Hematology, The Department of Internal Medicine, The Ohio State University Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Tanja A Gruber
- Department of Oncology, St. Jude Children's Research Hospital, Memphis, Tennessee
| | - Sharyn D Baker
- Division of Pharmaceutics, College of Pharmacy, The Ohio State University, Columbus, Ohio.
| | - Alex Sparreboom
- Division of Pharmaceutics, College of Pharmacy, The Ohio State University, Columbus, Ohio.
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18
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Rehman SU, Ishqi HM, Husain MA, Sarwar T, Tabish M. A novel exon generates ubiquitously expressed alternatively spliced new transcript of mouse Abcc4 gene. Gene 2016; 594:131-7. [PMID: 27613143 DOI: 10.1016/j.gene.2016.08.058] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Revised: 07/30/2016] [Accepted: 08/31/2016] [Indexed: 11/20/2022]
Abstract
Abcc4 gene codes for a protein (ABCC4) involved in the transportation of different classes of drugs outside the cells. Various important drugs transported by ABCC4 include antiviral and anticancer drugs as well as endogenous molecules such as bile acids, cyclic nucleotides, folates, prostaglandins and steroids. Alternative splicing generates multiple mRNAs that encode protein isoforms having diverse functions. In this study, we have identified a novel transcript of mouse Abcc4 gene using a combination of bioinformatics and molecular biology techniques. This transcript was found to be different from the reported transcript in having a different first exon that was found to be located on previously identified first intron. Newly identified transcript was found to be expressed across different tissues we studied and in different developmental stages. Expression level of novel and reported transcripts was studied using quantitative real-time PCR. After conceptually translating the novel transcript, various post-translational modifications were studied. Translation efficiency and predicted half life of encoded protein isoforms were analysed in silico. Molecular modelling was performed to compare the structural differences in both isoforms. The diversity at N-termini in these protein isoforms explains the diverse function of ABCC4 in mouse.
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