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Kováčová M, Hlaváč V, Koževnikovová R, Rauš K, Gatěk J, Souček P. Artificial Intelligence-Driven Prediction Revealed CFTR Associated with Therapy Outcome of Breast Cancer: A Feasibility Study. Oncology 2024:1-12. [PMID: 39025053 DOI: 10.1159/000540395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 07/09/2024] [Indexed: 07/20/2024]
Abstract
INTRODUCTION In silico tools capable of predicting the functional consequences of genomic differences between individuals, many of which are AI-driven, have been the most effective over the past two decades for non-synonymous single nucleotide variants (nsSNVs). When appropriately selected for the purpose of the study, a high predictive performance can be expected. In this feasibility study, we investigate the distribution of nsSNVs with an allele frequency below 5%. To classify the putative functional consequence, a tier-based filtration led by AI-driven predictors and scoring system was implemented to the overall decision-making process, resulting in a list of prioritised genes. METHODS The study has been conducted on breast cancer patients of homogeneous ethnicity. Germline rare variants have been sequenced in genes that influence pharmacokinetic parameters of anticancer drugs or molecular signalling pathways in cancer. After AI-driven functional pathogenicity classification and data mining in pharmacogenomic (PGx) databases, variants were collapsed to the gene level and ranked according to their putative deleterious role. RESULTS In breast cancer patients, seven of the twelve genes prioritised based on the predictions were found to be associated with response to oncotherapy, histological grade, and tumour subtype. Most importantly, we showed that the group of patients with at least one rare nsSNVs in cystic fibrosis transmembrane conductance regulator (CFTR) had significantly reduced disease-free (log rank, p = 0.002) and overall survival (log rank, p = 0.006). CONCLUSION AI-driven in silico analysis with PGx data mining provided an effective approach navigating for functional consequences across germline genetic background, which can be easily integrated into the overall decision-making process for future studies. The study revealed a statistically significant association with numerous clinicopathological parameters, including treatment response. Our study indicates that CFTR may be involved in the processes influencing the effectiveness of oncotherapy or in the malignant progression of the disease itself.
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Affiliation(s)
- Mária Kováčová
- Third Faculty of Medicine, Charles University, Prague, Czechia
| | - Viktor Hlaváč
- Laboratory of Pharmacogenomics, Biomedical Center, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czechia
- Toxicogenomics Unit, National Institute of Public Health, Prague, Czechia
| | | | - Karel Rauš
- Institute for the Care for Mother and Child, Prague, Czechia
| | - Jiří Gatěk
- Department of Surgery, EUC Hospital and University of Tomas Bata in Zlin, Zlin, Czechia
| | - Pavel Souček
- Laboratory of Pharmacogenomics, Biomedical Center, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czechia
- Toxicogenomics Unit, National Institute of Public Health, Prague, Czechia
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Remmerie M, Dok R, Wang Z, Omella JD, Alen S, Cokelaere C, Lenaerts L, Dreesen E, Nuyts S, Derua R, Janssens V. The PPP2R1A cancer hotspot mutant p.R183W increases clofarabine resistance in uterine serous carcinoma cells by a gain-of-function mechanism. Cell Oncol (Dordr) 2024:10.1007/s13402-024-00963-5. [PMID: 38888850 DOI: 10.1007/s13402-024-00963-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/29/2024] [Indexed: 06/20/2024] Open
Abstract
PURPOSE Uterine serous carcinoma (USC) is generally associated with poor prognosis due to a high recurrence rate and frequent treatment resistance; hence, there is a need for improved therapeutic strategies. Molecular analysis of USC identified several molecular markers, useful to improve current treatments or identify new druggable targets. PPP2R1A, encoding the Aα subunit of the tumor suppressive Ser/Thr phosphatase PP2A, is mutated in up to 40% of USCs. Here, we investigated the effect of the p.R183W PPP2R1A hotspot variant on treatment response to the nucleoside analogue clofarabine. METHODS AND RESULTS USC cells stably expressing p.R183W Aα showed increased resistance to clofarabine treatment in vitro and, corroborated by decreased clofarabine-induced apoptosis, G1 phase arrest, DNA-damage (γH2AX) and activation of ATM and Chk1/2 kinases. Phenotypic rescue by pharmacologic PP2A inhibition or dicer-substrate siRNA (dsiRNA)-mediated B56δ subunit knockdown supported a gain-of-function mechanism of Aα p.R183W, promoting dephosphorylation and inactivation of deoxycytidine kinase (dCK), the cellular enzyme responsible for the conversion of clofarabine into its bioactive form. Therapeutic assessment of related nucleoside analogues (gemcitabine, cladribine) revealed similar effects, but in a cell line-dependent manner. Expression of two other PPP2R1A USC mutants (p.P179R or p.S256F) did not affect clofarabine response in our cell models, arguing for mutant-specific effects on treatment outcome as well. CONCLUSIONS While our results call for PPP2R1A mutant and context-dependent effects upon clofarabine/nucleoside analogue monotherapy, combining clofarabine with a pharmacologic PP2A inhibitor proved synergistically in all tested conditions, highlighting a new generally applicable strategy to improve treatment outcome in USC.
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Affiliation(s)
- Michiel Remmerie
- Laboratory of Protein Phosphorylation and Proteomics, Department of Cellular and Molecular Medicine, University of Leuven (KU Leuven), Gasthuisberg O&N1, Herestraat 49, PO-box 901, Leuven, B-3000, Belgium
- KU Leuven Cancer Institute (LKI), Leuven, B-3000, Belgium
| | - Rüveyda Dok
- KU Leuven Cancer Institute (LKI), Leuven, B-3000, Belgium
- Laboratory of Experimental Radiotherapy, Department of Oncology, University of Leuven (KU Leuven), Leuven, B-3000, Belgium
| | - Zhigang Wang
- Clinical Pharmacology and Pharmacotherapy, Department of Pharmaceutical and Pharmacological Sciences, University of Leuven (KU Leuven), Leuven, B-3000, Belgium
| | - Judit Domènech Omella
- Laboratory of Protein Phosphorylation and Proteomics, Department of Cellular and Molecular Medicine, University of Leuven (KU Leuven), Gasthuisberg O&N1, Herestraat 49, PO-box 901, Leuven, B-3000, Belgium
- KU Leuven Cancer Institute (LKI), Leuven, B-3000, Belgium
| | - Sophie Alen
- Laboratory of Protein Phosphorylation and Proteomics, Department of Cellular and Molecular Medicine, University of Leuven (KU Leuven), Gasthuisberg O&N1, Herestraat 49, PO-box 901, Leuven, B-3000, Belgium
| | - Célie Cokelaere
- Laboratory of Protein Phosphorylation and Proteomics, Department of Cellular and Molecular Medicine, University of Leuven (KU Leuven), Gasthuisberg O&N1, Herestraat 49, PO-box 901, Leuven, B-3000, Belgium
- KU Leuven Cancer Institute (LKI), Leuven, B-3000, Belgium
| | - Lisa Lenaerts
- Laboratory of Protein Phosphorylation and Proteomics, Department of Cellular and Molecular Medicine, University of Leuven (KU Leuven), Gasthuisberg O&N1, Herestraat 49, PO-box 901, Leuven, B-3000, Belgium
| | - Erwin Dreesen
- Clinical Pharmacology and Pharmacotherapy, Department of Pharmaceutical and Pharmacological Sciences, University of Leuven (KU Leuven), Leuven, B-3000, Belgium
| | - Sandra Nuyts
- KU Leuven Cancer Institute (LKI), Leuven, B-3000, Belgium
- Laboratory of Experimental Radiotherapy, Department of Oncology, University of Leuven (KU Leuven), Leuven, B-3000, Belgium
| | - Rita Derua
- Laboratory of Protein Phosphorylation and Proteomics, Department of Cellular and Molecular Medicine, University of Leuven (KU Leuven), Gasthuisberg O&N1, Herestraat 49, PO-box 901, Leuven, B-3000, Belgium
- SybioMA, Proteomics Core Facility, University of Leuven (KU Leuven), Leuven, B-3000, Belgium
| | - Veerle Janssens
- Laboratory of Protein Phosphorylation and Proteomics, Department of Cellular and Molecular Medicine, University of Leuven (KU Leuven), Gasthuisberg O&N1, Herestraat 49, PO-box 901, Leuven, B-3000, Belgium.
- KU Leuven Cancer Institute (LKI), Leuven, B-3000, Belgium.
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Loeffler DA. Enhancing of cerebral Abeta clearance by modulation of ABC transporter expression: a review of experimental approaches. Front Aging Neurosci 2024; 16:1368200. [PMID: 38872626 PMCID: PMC11170721 DOI: 10.3389/fnagi.2024.1368200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 05/01/2024] [Indexed: 06/15/2024] Open
Abstract
Clearance of amyloid-beta (Aβ) from the brain is impaired in both early-onset and late-onset Alzheimer's disease (AD). Mechanisms for clearing cerebral Aβ include proteolytic degradation, antibody-mediated clearance, blood brain barrier and blood cerebrospinal fluid barrier efflux, glymphatic drainage, and perivascular drainage. ATP-binding cassette (ABC) transporters are membrane efflux pumps driven by ATP hydrolysis. Their functions include maintenance of brain homeostasis by removing toxic peptides and compounds, and transport of bioactive molecules including cholesterol. Some ABC transporters contribute to lowering of cerebral Aβ. Mechanisms suggested for ABC transporter-mediated lowering of brain Aβ, in addition to exporting of Aβ across the blood brain and blood cerebrospinal fluid barriers, include apolipoprotein E lipidation, microglial activation, decreased amyloidogenic processing of amyloid precursor protein, and restricting the entrance of Aβ into the brain. The ABC transporter superfamily in humans includes 49 proteins, eight of which have been suggested to reduce cerebral Aβ levels. This review discusses experimental approaches for increasing the expression of these ABC transporters, clinical applications of these approaches, changes in the expression and/or activity of these transporters in AD and transgenic mouse models of AD, and findings in the few clinical trials which have examined the effects of these approaches in patients with AD or mild cognitive impairment. The possibility that therapeutic upregulation of ABC transporters which promote clearance of cerebral Aβ may slow the clinical progression of AD merits further consideration.
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Affiliation(s)
- David A. Loeffler
- Department of Neurology, Beaumont Research Institute, Corewell Health, Royal Oak, MI, United States
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4
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Kishk A, Pires Pacheco M, Heurtaux T, Sauter T. Metabolic models predict fotemustine and the combination of eflornithine/rifamycin and adapalene/cannabidiol for the treatment of gliomas. Brief Bioinform 2024; 25:bbae199. [PMID: 38701414 PMCID: PMC11066901 DOI: 10.1093/bib/bbae199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 03/15/2024] [Accepted: 04/15/2024] [Indexed: 05/05/2024] Open
Abstract
Gliomas are the most common type of malignant brain tumors, with glioblastoma multiforme (GBM) having a median survival of 15 months due to drug resistance and relapse. The treatment of gliomas relies on surgery, radiotherapy and chemotherapy. Only 12 anti-brain tumor chemotherapies (AntiBCs), mostly alkylating agents, have been approved so far. Glioma subtype-specific metabolic models were reconstructed to simulate metabolite exchanges, in silico knockouts and the prediction of drug and drug combinations for all three subtypes. The simulations were confronted with literature, high-throughput screenings (HTSs), xenograft and clinical trial data to validate the workflow and further prioritize the drug candidates. The three subtype models accurately displayed different degrees of dependencies toward glutamine and glutamate. Furthermore, 33 single drugs, mainly antimetabolites and TXNRD1-inhibitors, as well as 17 drug combinations were predicted as potential candidates for gliomas. Half of these drug candidates have been previously tested in HTSs. Half of the tested drug candidates reduce proliferation in cell lines and two-thirds in xenografts. Most combinations were predicted to be efficient for all three glioma types. However, eflornithine/rifamycin and cannabidiol/adapalene were predicted specifically for GBM and low-grade glioma, respectively. Most drug candidates had comparable efficiency in preclinical tests, cerebrospinal fluid bioavailability and mode-of-action to AntiBCs. However, fotemustine and valganciclovir alone and eflornithine and celecoxib in combination with AntiBCs improved the survival compared to AntiBCs in two-arms, phase I/II and higher glioma clinical trials. Our work highlights the potential of metabolic modeling in advancing glioma drug discovery, which accurately predicted metabolic vulnerabilities, repurposable drugs and combinations for the glioma subtypes.
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Affiliation(s)
- Ali Kishk
- Department of Life Sciences and Medicine, University of Luxembourg, L-4367 Belvaux, Luxembourg
| | - Maria Pires Pacheco
- Department of Life Sciences and Medicine, University of Luxembourg, L-4367 Belvaux, Luxembourg
| | - Tony Heurtaux
- Department of Life Sciences and Medicine, University of Luxembourg, L-4367 Belvaux, Luxembourg
- Luxembourg Centre of Neuropathology, L-3555 Dudelange, Luxembourg
| | - Thomas Sauter
- Department of Life Sciences and Medicine, University of Luxembourg, L-4367 Belvaux, Luxembourg
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Xu Y, Tang Y, Xu Q, He W. TMEM97 knockdown inhibits 5-fluorouracil resistance by regulating epithelial-mesenchymal transition and ABC transporter expression via inactivating the Akt/mTOR pathway in 5-fluorouracil-resistant colorectal cancer cells. Chem Biol Drug Des 2024; 103:e14490. [PMID: 38388887 DOI: 10.1111/cbdd.14490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 02/12/2024] [Indexed: 02/24/2024]
Abstract
Resistance to 5-fluorouracil (5-FU) is still a primary setback to the success of colorectal cancer (CRC) chemotherapy. Transmembrane protein 97 (TMEM97) functions as an oncogene in CRC. However, the role and mechanism of TMEM97 in regulating 5-FU resistance in CRC cells remains unclear. TMEM97 expression in CRC samples was analyzed by GEPIA and human protein atlas (HPA) databases. TMEM97, E-cadherin, Vimentin, N-cadherin, P-glycoprotein (P-gp), multidrug resistance-associated protein 1 (MRP1)/ABCC1, ABCC2, and the changes of protein kinase B/mammalian target of rapamycin (mTOR) pathway were explored by western blot analysis. IC50 value for 5-FU and cell viability was examined by MTT assay. Apoptosis was evaluated by flow cytometry. TMEM97 was highly expressed in colon adenocarcinoma (COAD) and rectum adenocarcinoma (READ) based on GEPIA and HPA databases. TMEM97 knockdown attenuated 5-FU resistance in HCT116/R and SW480/R cells, as evidenced by the reduced IC50 value for 5-FU and the increased apoptosis. TMEM97 knockdown suppressed epithelial-mesenchymal transition (EMT), expression of ATP-binding cassette (ABC) transporters, and the Akt/mTOR pathway. Mechanistically, activation of Akt/mTOR pathway abolished the inhibitory effects of TMEM97 knockdown on 5-FU resistance, EMT, and ABC transporter expression. In conclusion, TMEM97 knockdown inhibited 5-FU resistance in CRC by regulating EMT and ABC transporter expression via inactivating the Akt/mTOR pathway.
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Affiliation(s)
- Yi Xu
- Department of General Surgery, Nanyang First People's Hospital, Nanyang, China
| | - Yan Tang
- Department of General Surgery, Nanyang First People's Hospital, Nanyang, China
| | - Qiu Xu
- Department of Thyroid and Breast Surgery, Nanyang First People's Hospital, Nanyang, China
- Nanyang Key Laboratory of Thyroid Tumor Prevention and Treatment, Nanyang First People's Hospital, Nanyang, China
| | - Wenguang He
- Department of Thyroid and Breast Surgery, The Fourth Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
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He J, Bugde P, Li J, Biswas R, Li S, Yang X, Tian F, Wu Z, Li Y. Multidrug resistance protein 5 affects cell proliferation, migration and gemcitabine sensitivity in pancreatic cancer MIA Paca‑2 and PANC‑1 cells. Oncol Rep 2024; 51:7. [PMID: 37975256 PMCID: PMC10696546 DOI: 10.3892/or.2023.8666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 11/01/2023] [Indexed: 11/19/2023] Open
Abstract
Gemcitabine‑based chemotherapy has been widely adopted as the standard and preferred chemotherapy regimen for treating advanced pancreatic cancer. However, the contribution of multidrug resistance protein 5 (MRP5) to gemcitabine resistance and pancreatic cancer progression remains controversial. In the present study, the effect of silencing MRP5 on gemcitabine resistance and cell proliferation and migration of human pancreatic cancer MIA Paca‑2 and PANC‑1 cells was investigated by using short‑hairpin RNA delivered by lentiviral vector transduction. The knockdown of MRP5 was confirmed on both mRNA and protein levels using qPCR and surface staining assays, respectively. MRP5‑regulated gemcitabine sensitivity was assessed by MTT, PrestoBlue and apoptosis assays. The effect of MRP5 on pancreatic cancer cell proliferation and migration was determined using colony‑formation, wound‑healing and Transwell migration assays. The interaction of gemcitabine and cyclic guanosine monophosphate (cGMP) with MRP5 protein was explored using molecular docking. The results indicated that the MRP5 mRNA and protein levels were significantly reduced in all the MIA Paca‑2 and PANC‑1 clones. MRP5 affected gemcitabine cytotoxicity and the rate of gemcitabine‑induced apoptosis. Silencing MRP5 decreased cell proliferation and migration in both MIA Paca‑2 and PANC‑1 cells. Docking studies showed high binding affinity of cGMP towards MRP5, indicating the potential of MRP5‑mediated cGMP accumulation in the microenvironment. In conclusion, MRP5 has an important role in cancer proliferation and migration in addition to its drug efflux functions in two widely available pancreatic tumour cell lines (MIA Paca‑2 and PANC‑1).
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Affiliation(s)
- Ji He
- Department of Biomedicine and Medical Diagnostics, School of Science, Auckland University of Technology, Auckland 1010, New Zealand
| | - Piyush Bugde
- Department of Biomedicine and Medical Diagnostics, School of Science, Auckland University of Technology, Auckland 1010, New Zealand
| | - Jiawei Li
- Department of Biomedicine and Medical Diagnostics, School of Science, Auckland University of Technology, Auckland 1010, New Zealand
| | - Riya Biswas
- Department of Biomedicine and Medical Diagnostics, School of Science, Auckland University of Technology, Auckland 1010, New Zealand
| | - Siting Li
- Department of Biomedicine and Medical Diagnostics, School of Science, Auckland University of Technology, Auckland 1010, New Zealand
- Guangdong Key Laboratory of Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, P.R. China
| | - Xuewei Yang
- Guangdong Key Laboratory of Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, P.R. China
| | - Fang Tian
- Nycrist Pharmatech Limited, Shenzhen 518107, P.R. China
| | - Zimei Wu
- School of Pharmacy, Faculty of Medical and Health Sciences, University of Auckland, Auckland 1023, New Zealand
| | - Yan Li
- Department of Biomedicine and Medical Diagnostics, School of Science, Auckland University of Technology, Auckland 1010, New Zealand
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Fessart D, Robert J. [Mechanisms of cancer drug resistance]. Bull Cancer 2024; 111:37-50. [PMID: 37679207 DOI: 10.1016/j.bulcan.2023.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 06/23/2023] [Accepted: 07/05/2023] [Indexed: 09/09/2023]
Abstract
Despite decades of research into the molecular mechanisms of cancer and the development of new treatments, drug resistance persists as a major problem. This is in part due to the heterogeneity of cancer, including the diversity of tumor cell lineage and cell plasticity, the spectrum of somatic mutations, the complexity of microenvironments, and immunosuppressive characteristic, then necessitating the use of many different therapeutic approaches. We summarize here the biological causes of resistance, thus offering new perspectives for tackle drug resistance.
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Affiliation(s)
- Delphine Fessart
- ARTiSt lab, Université de Bordeaux, Inserm U1312 BRIC, 33000 Bordeaux, France.
| | - Jacques Robert
- ARTiSt lab, Université de Bordeaux, Inserm U1312 BRIC, 33000 Bordeaux, France
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Xu F, Wu Q, Yang Y, Zhang L, Yan Z, Li H, Li J, An Z, Wu H, Song J, Wu W. High temperature exacerbates ozone-induced airway inflammation: Implication of airway microbiota and metabolites. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 903:166795. [PMID: 37666337 DOI: 10.1016/j.scitotenv.2023.166795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 09/01/2023] [Accepted: 09/01/2023] [Indexed: 09/06/2023]
Abstract
Short-term exposure to ozone (O3) has been associated with airway inflammation. Given that high temperature (HT) accelerates O3 production, it is of significance to determine whether co-exposure to HT exacerbates O3-induced airway inflammation. The aim of this study was to examine the possible promotive effect of HT on O3-induced airway inflammation and underlying mechanisms. Forty-eight C57BL/6 N male mice were randomly divided into four groups: filtered air (control), O3, HT, and HT + O3 (co-exposure) groups. Mice in control and O3 groups were exposed to filtered air or 1 ppm O3 at 24 °C, respectively, while mice in HT and co-exposure groups were exposed to filtered air or 1 ppm O3 at 36 °C, respectively. The exposure scenario for four groups was 4 h/d for 5 consecutive days. Bronchoalveolar lavage fluids (BALF) were collected 24 h after the last exposure and subjected to examinations of oxidative stress and inflammation biomarkers, 16S rRNA sequencing, and metabolic profiling. Lung tissues were processed for H&E histological staining. The results showed that O3 inhalation triggered oxidative stress and inflammation in the airways, which was worsen by co-exposure to HT. Further studies revealed that co-exposure to HT strengthened O3-induced decline in Firmicutes and Allobaculum in airways. Moreover, co-exposure to HT promoted O3-induced airway metabolic disorder. Spearman correlation analysis revealed correlations among microbiota dysbiosis, metabolic disorder, oxidative stress and inflammation induced by co-exposure to HT and O3. Taken together, HT exposure aggravates O3-induced airway oxidative stress and inflammation, possibly through modulation of microbiota and metabolism of the airways.
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Affiliation(s)
- Fei Xu
- School of Public Health, Xinxiang Medical University, Xinxiang, China
| | - Qiong Wu
- School of Public Health, Xinxiang Medical University, Xinxiang, China
| | - Yishu Yang
- School of Public Health, Xinxiang Medical University, Xinxiang, China
| | - Ling Zhang
- School of Public Health, Xinxiang Medical University, Xinxiang, China
| | - Zhen Yan
- International School of Public Health and One Health, Hainan Medical University, Haikou, China
| | - Huijun Li
- School of Public Health, Xinxiang Medical University, Xinxiang, China
| | - Juan Li
- School of Public Health, Xinxiang Medical University, Xinxiang, China
| | - Zhen An
- School of Public Health, Xinxiang Medical University, Xinxiang, China
| | - Hui Wu
- School of Public Health, Xinxiang Medical University, Xinxiang, China
| | - Jie Song
- School of Public Health, Xinxiang Medical University, Xinxiang, China
| | - Weidong Wu
- School of Public Health, Xinxiang Medical University, Xinxiang, China.
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Kagan AB, Garrison DA, Anders NM, Webster J, Baker SD, Yegnasubramanian S, Rudek MA. DNA methyltransferase inhibitor exposure-response: Challenges and opportunities. Clin Transl Sci 2023; 16:1309-1322. [PMID: 37345219 PMCID: PMC10432879 DOI: 10.1111/cts.13548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 05/04/2023] [Accepted: 05/10/2023] [Indexed: 06/23/2023] Open
Abstract
Although DNA methyltransferase inhibitors (DNMTis), such as azacitidine and decitabine, are used extensively in the treatment of myelodysplastic syndromes and acute myeloid leukemia, there remain unanswered questions about DNMTi's mechanism of action and predictors of clinical response. Because patients often remain on single-agent DNMTis or DNMTi-containing regimens for several months before knowing whether clinical benefit can be achieved, the development and clinical validation of response-predictive biomarkers represents an important unmet need in oncology. In this review, we will summarize the clinical studies that led to the approval of azacitidine and decitabine, as well as the real-world experience with these drugs. We will then focus on biomarker development for DNMTis-specifically, efforts at determining exposure-response relationships and challenges that remain impacting the broader clinical translation of these methods. We will highlight recent progress in liquid-chromatography tandem mass spectrometry technology that has allowed for the simultaneous measurement of decitabine genomic incorporation and global DNA methylation, which has significant potential as a mechanism-of-action based biomarker in patients on DNMTis. Last, we will cover important research questions that need to be addressed in order to optimize this potential biomarker for clinical use.
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Affiliation(s)
- Amanda B. Kagan
- Department of Oncology, School of MedicineJohns Hopkins UniversityBaltimoreMarylandUSA
- Department of Medicine, School of MedicineJohns Hopkins UniversityBaltimoreMarylandUSA
| | - Dominique A. Garrison
- Department of Medicine, School of MedicineJohns Hopkins UniversityBaltimoreMarylandUSA
| | - Nicole M. Anders
- Department of Oncology, School of MedicineJohns Hopkins UniversityBaltimoreMarylandUSA
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins UniversityBaltimoreMarylandUSA
| | - Jonathan A. Webster
- Department of Oncology, School of MedicineJohns Hopkins UniversityBaltimoreMarylandUSA
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins UniversityBaltimoreMarylandUSA
| | - Sharyn D. Baker
- Division of Pharmaceutics and Pharmacology, College of PharmacyThe Ohio State UniversityColumbusOhioUSA
| | - Srinivasan Yegnasubramanian
- Department of Oncology, School of MedicineJohns Hopkins UniversityBaltimoreMarylandUSA
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins UniversityBaltimoreMarylandUSA
| | - Michelle A. Rudek
- Department of Oncology, School of MedicineJohns Hopkins UniversityBaltimoreMarylandUSA
- Department of Medicine, School of MedicineJohns Hopkins UniversityBaltimoreMarylandUSA
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins UniversityBaltimoreMarylandUSA
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10
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Yin Z, Liao M, Yan R, Li G, Ou R, Liu Z, Zhong Q, Shen H, Zhu Y, Xie S, Zhang Q, Liu S, Huang J. Transcriptome- and metabolome-based candidate mechanism of BCR-ABL-independent resistance to olverembatinib in Philadelphia chromosome-positive acute lymphoblastic leukemia. Funct Integr Genomics 2023; 23:53. [PMID: 36717477 DOI: 10.1007/s10142-023-00980-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/19/2023] [Accepted: 01/25/2023] [Indexed: 02/01/2023]
Abstract
Olverembatinib represents the third-generation breakpoint cluster region protein-Abelson-murine leukemia 1 (BCR-ABL1) tyrosine kinase inhibitor with oral bioavailability, which can be used to overcome the T315I mutation in Philadelphia chromosome-positive (Ph +) leukemia. BCR-ABL-independent resistance to olverembatinib has been reported among patients in various clinical cases. However, the mechanism of olverembatinib resistance has rarely been reported. This study has illustrated bone marrow cell transcriptome and metabolome profiles among Ph + acute lymphoblastic leukemias (ALL) cases pre- and post-olverembatinib resistance. The transcriptome studies demonstrated that PI3K/AKT, purine metabolism, and other signaling pathways could play a vital role in olverembatinib resistance. As suggested by metabolomics, olverembatinib resistance in Ph + ALL was associated with purine metabolism alterations. Subsequently, high-performance liquid chromatography along with real-time quantitative PCR was utilized to measure purine metabolism-related mRNA levels and metabolism expression levels between olverembatinib resistance and sensitive cell lines. Our results elucidate the mechanism of olverembatinib resistance in Ph + ALL at transcriptome and metabolome levels, which facilitate a better understanding of olverembatinib resistance and hence may prove crucial in identifying novel drugs to tackle this conundrum.
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Affiliation(s)
- Zhao Yin
- Department of Hematology, Guangdong Second Provincial General Hospital, Xin Gang Zhong Road 466#, Haizhu Distict, Guangzhou, 510317, China
| | - Meiyan Liao
- Department of Hematology, Guangdong Second Provincial General Hospital, Xin Gang Zhong Road 466#, Haizhu Distict, Guangzhou, 510317, China
| | - Rongrong Yan
- Department of Hematology, Guangdong Second Provincial General Hospital, Xin Gang Zhong Road 466#, Haizhu Distict, Guangzhou, 510317, China
| | - Guangchao Li
- Department of Hematology, Guangdong Second Provincial General Hospital, Xin Gang Zhong Road 466#, Haizhu Distict, Guangzhou, 510317, China
| | - Ruiming Ou
- Department of Hematology, Guangdong Second Provincial General Hospital, Xin Gang Zhong Road 466#, Haizhu Distict, Guangzhou, 510317, China
| | - Zhi Liu
- Department of Hematology, Guangdong Second Provincial General Hospital, Xin Gang Zhong Road 466#, Haizhu Distict, Guangzhou, 510317, China
| | - Qi Zhong
- Department of Hematology, Guangdong Second Provincial General Hospital, Xin Gang Zhong Road 466#, Haizhu Distict, Guangzhou, 510317, China
| | - Huijuan Shen
- Department of Hematology, Guangdong Second Provincial General Hospital, Xin Gang Zhong Road 466#, Haizhu Distict, Guangzhou, 510317, China
| | - Yangmin Zhu
- Department of Hematology, Guangdong Second Provincial General Hospital, Xin Gang Zhong Road 466#, Haizhu Distict, Guangzhou, 510317, China
| | - Shuangfeng Xie
- Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, Yanjiang West Road 107#, Guangzhou, 510080, China.
| | - Qing Zhang
- Department of Hematology, Guangdong Second Provincial General Hospital, Xin Gang Zhong Road 466#, Haizhu Distict, Guangzhou, 510317, China.
| | - Shuang Liu
- Department of Hematology, Guangdong Second Provincial General Hospital, Xin Gang Zhong Road 466#, Haizhu Distict, Guangzhou, 510317, China.
| | - Jing Huang
- Department of Hematology, Guangdong Second Provincial General Hospital, Xin Gang Zhong Road 466#, Haizhu Distict, Guangzhou, 510317, China.
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11
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de Mariz E Miranda LS. The synergy between nucleotide biosynthesis inhibitors and antiviral nucleosides: New opportunities against viral infections? Arch Pharm (Weinheim) 2023; 356:e2200217. [PMID: 36122181 DOI: 10.1002/ardp.202200217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 08/18/2022] [Accepted: 08/26/2022] [Indexed: 01/04/2023]
Abstract
5'-Phosphorylated nucleoside derivatives are molecules that can be found in all living organisms and viruses. Over the last century, the development of structural analogs that could disrupt the transcription and translation of genetic information culminated in the development of clinically relevant anticancer and antiviral drugs. However, clinically effective broad-spectrum antiviral compounds or treatments are lacking. This viewpoint proposes that molecules that inhibit nucleotide biosynthesis may sensitize virus-infected cells toward direct-acting antiviral nucleosides. Such potentially synergistic combinations might allow the repurposing of drugs, leading to the development of new combination therapies.
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Affiliation(s)
- Leandro S de Mariz E Miranda
- Department of Organic Chemistry, Chemistry Institute, Biocatalysis and Organic Synthesis Group, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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12
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Huang S, Bian Y, Huang C, Miao L. Is Monitoring of the Intracellular Active Metabolite Levels of Nucleobase and Nucleoside Analogs Ready for Precision Medicine Applications? Eur J Drug Metab Pharmacokinet 2022; 47:761-775. [PMID: 35915365 DOI: 10.1007/s13318-022-00786-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/27/2022] [Indexed: 12/13/2022]
Abstract
Nucleobase and nucleoside analogs (NAs) play important roles in cancer therapy. Although there are obvious individual differences in NA treatments, most NAs lack direct relationships between their plasma concentration and efficacy or adverse effects. Accumulating evidence suggests that the intracellular active metabolite levels of NAs predict patient outcomes. This article reviewed the relationships between NA intracellular active metabolite levels and their efficacy or adverse effects. The factors affecting the formation of intracellular active metabolites and combination regimens that elevate intracellular active metabolite levels were also reviewed. Given the mechanism of NA cytotoxicity, NA intracellular active metabolite levels may be predictive of clinical outcomes. Many clinical studies support this hypothesis. Therefore, the monitoring of intracellular active metabolite levels is beneficial for individualized NA treatment. However, to perform clinical monitoring in practice, well-designed studies are needed to explore the optimal threshold or range and the appropriate regimen adjustment strategies based on these parameters.
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Affiliation(s)
- Shenjia Huang
- Department of Clinical Pharmacy, College of Pharmaceutical Science, Soochow University, Suzhou, China
- Institute for Interdisciplinary Drug Research and Translational Sciences, Soochow University, Suzhou, China
| | - Yicong Bian
- Department of Clinical Pharmacology, the First Affiliated Hospital of Soochow University, Suzhou, 215006, China
- Department of Clinical Pharmacy, College of Pharmaceutical Science, Soochow University, Suzhou, China
- Institute for Interdisciplinary Drug Research and Translational Sciences, Soochow University, Suzhou, China
| | - Chenrong Huang
- Department of Clinical Pharmacology, the First Affiliated Hospital of Soochow University, Suzhou, 215006, China.
- Department of Clinical Pharmacy, College of Pharmaceutical Science, Soochow University, Suzhou, China.
- Institute for Interdisciplinary Drug Research and Translational Sciences, Soochow University, Suzhou, China.
| | - Liyan Miao
- Department of Clinical Pharmacology, the First Affiliated Hospital of Soochow University, Suzhou, 215006, China.
- Department of Clinical Pharmacy, College of Pharmaceutical Science, Soochow University, Suzhou, China.
- Institute for Interdisciplinary Drug Research and Translational Sciences, Soochow University, Suzhou, China.
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13
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Dong S, Zhang S, Zhao P, Lin G, Ma X, Xu J, Zhang H, Hu J, Zou C. A combined analysis of bulk and single-cell sequencing data reveals that depleted extracellular matrix and enhanced immune processes co-contribute to fluorouracil beneficial responses in gastric cancer. Front Immunol 2022; 13:999551. [PMID: 36189263 PMCID: PMC9520597 DOI: 10.3389/fimmu.2022.999551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
Fluorouracil, also known as 5-FU, is one of the most commonly used chemotherapy drugs in the treatment of advanced gastric cancer (GC). Whereas, the presence of innate or acquired resistance largely limits its survival benefit in GC patients. Although accumulated studies have demonstrated the involvement of tumor microenvironments (TMEs) in chemo-resistance induction, so far little is known about the relevance of GC TMEs in 5-FU resistance. To this end, in this study, we investigated the relationship between TME features and 5-FU responses in GC patients using a combined analysis involving both bulk sequencing data from the TCGA database and single-cell RNA sequencing data from the GEO database. We found that depleted extracellular matrix (ECM) components such as capillary/stroma cells and enhanced immune processes such as increased number of M1 polarized macrophages/Memory T cells/Natural Killer T cells/B cells and decreased number of regulatory T cells are two important features relating to 5-FU beneficial responses in GC patients, especially in diffuse-type patients. We further validated these two features in the tumor tissues of 5-FU-benefit GC patients using immunofluorescence staining experiments. Based on this finding, we also established a Pro (63 genes) and Con (199 genes) gene cohort that could predict 5-FU responses in GC with an AUC (area under curve) score of 0.90 in diffuse-type GC patients, and further proved the partial applicability of this gene panel pan-cancer-wide. Moreover, we identified possible communications mediated by heparanase and galectin-1 which could regulate ECM remodeling and tumor immune microenvironment (TIME) reshaping. Altogether, these findings deciphered the relationship between GC TMEs and 5-FU resistance for the first time, as well as provided potential therapeutic targets and predicting rationale to overcome this chemo-resistance, which could shed some light on developing novel precision treatment strategies in clinical practice.
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Affiliation(s)
- Shaowei Dong
- The Second Clinical Medical College, The First Affiliated Hospital of Southern University of Science and Technology, Jinan University (Shenzhen People’s Hospital), Shenzhen, China
- Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou, China
- School of Medicine, Life and Health Sciences, The Chinese University of Hong Kong (Shenzhen), Shenzhen, China
| | - Siyu Zhang
- School of Medicine, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China
| | - Pan Zhao
- School of Medicine, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China
| | - Guanchuan Lin
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Single Cell Technology and Application, Southern Medical University, Guangzhou, China
| | - Xiaoshi Ma
- The Second Clinical Medical College, The First Affiliated Hospital of Southern University of Science and Technology, Jinan University (Shenzhen People’s Hospital), Shenzhen, China
| | - Jing Xu
- The Second Clinical Medical College, The First Affiliated Hospital of Southern University of Science and Technology, Jinan University (Shenzhen People’s Hospital), Shenzhen, China
| | - Hao Zhang
- Institute of Precision Cancer Medicine and Pathology, Jinan University Medical College, Guangzhou, China
| | - Jiliang Hu
- The Second Clinical Medical College, The First Affiliated Hospital of Southern University of Science and Technology, Jinan University (Shenzhen People’s Hospital), Shenzhen, China
- Guangdong Engineering Technological Research Center for Nervous Anatomy and Related Clinical Applications, Shenzhen, China
| | - Chang Zou
- The Second Clinical Medical College, The First Affiliated Hospital of Southern University of Science and Technology, Jinan University (Shenzhen People’s Hospital), Shenzhen, China
- School of Medicine, Life and Health Sciences, The Chinese University of Hong Kong (Shenzhen), Shenzhen, China
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14
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Role of Drug Transporters in Elucidating Inter-Individual Variability in Pediatric Chemotherapy-Related Toxicities and Response. Pharmaceuticals (Basel) 2022; 15:ph15080990. [PMID: 36015138 PMCID: PMC9415926 DOI: 10.3390/ph15080990] [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: 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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15
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Fujiwara-Tani R, Sasaki T, Takagi T, Mori S, Kishi S, Nishiguchi Y, Ohmori H, Fujii K, Kuniyasu H. Gemcitabine Resistance in Pancreatic Ductal Carcinoma Cell Lines Stems from Reprogramming of Energy Metabolism. Int J Mol Sci 2022; 23:ijms23147824. [PMID: 35887170 PMCID: PMC9323155 DOI: 10.3390/ijms23147824] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/12/2022] [Accepted: 07/14/2022] [Indexed: 02/05/2023] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is associated with poor prognosis because it is often detected at an advanced stage, and drug resistance interferes with treatment. However, the mechanism underlying drug resistance in PDAC remains unclear. Here, we investigated metabolic changes between a parental PDAC cell line and a gemcitabine (GEM)-resistant PDAC cell line. We established a GEM-resistant cell line, MIA-G, from MIA-PaCa-2 parental (MIA-P) cells using continuous therapeutic-dose GEM treatment. MIA-G cells were also more resistant to 5-fluorouracil in comparison to MIA-P cells. Metabolic flux analysis showed a higher oxygen consumption rate (OCR) in MIA-G cells than in MIA-P cells. Notably, OCR was suppressed by GEM treatment only in MIA-G cells. GEM treatment increased mitochondrial membrane potential and mitochondrial reactive oxygen species (ROS) in MIA-P cells, but not in MIA-G cells. Glutamine uptake and peroxidase levels were elevated in MIA-G cells. The antioxidants N-acetyl-L-cysteine and vitamin C increased the sensitivity to GEM in both cell lines. In MIA-G cells, the expression of the mitochondrial transcription factor A also decreased. Furthermore, rotenone reduced the sensitivity of MIA-P cells to GEM. These findings suggest that the suppression of oxidative phosphorylation contributes to GEM resistance by reducing ROS production. Our study provides a new approach for reducing GEM resistance in PDAC.
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Affiliation(s)
- Rina Fujiwara-Tani
- Correspondence: (R.F.-T.); (H.K.); Tel.: +81-744-22-3051 (R.F.-T. & H.K.); Fax: +81-744-25-7308 (R.F.-T. & H.K.)
| | | | | | | | | | | | | | | | - Hiroki Kuniyasu
- Correspondence: (R.F.-T.); (H.K.); Tel.: +81-744-22-3051 (R.F.-T. & H.K.); Fax: +81-744-25-7308 (R.F.-T. & H.K.)
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16
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Hadjis AD, Nunes NS, Khan SM, Fletcher RE, Pohl ADP, Venzon DJ, Eckhaus MA, Kanakry CG. Post-Transplantation Cyclophosphamide Uniquely Restrains Alloreactive CD4 + T-Cell Proliferation and Differentiation After Murine MHC-Haploidentical Hematopoietic Cell Transplantation. Front Immunol 2022; 13:796349. [PMID: 35242129 PMCID: PMC8886236 DOI: 10.3389/fimmu.2022.796349] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 01/06/2022] [Indexed: 12/25/2022] Open
Abstract
Post-transplantation cyclophosphamide (PTCy) reduces the incidence and severity of graft-versus-host disease (GVHD), thereby improving the safety and accessibility of allogeneic hematopoietic cell transplantation (HCT). We have shown that PTCy works by inducing functional impairment and suppression of alloreactive T cells. We also have identified that reduced proliferation of alloreactive CD4+ T cells at day +7 and preferential recovery of CD4+CD25+Foxp3+ regulatory T cells (Tregs) at day +21 are potential biomarkers associated with optimal PTCy dosing and timing in our B6C3F1→B6D2F1 MHC-haploidentical murine HCT model. To understand whether the effects of PTCy are unique and also to understand better the biology of GVHD prevention by PTCy, here we tested the relative impact of cyclophosphamide compared with five other optimally dosed chemotherapeutics (methotrexate, bendamustine, paclitaxel, vincristine, and cytarabine) that vary in mechanisms of action and drug resistance. Only cyclophosphamide, methotrexate, and cytarabine were effective in preventing fatal GVHD, but cyclophosphamide was superior in ameliorating both clinical and histopathological GVHD. Flow cytometric analyses of blood and spleens revealed that these three chemotherapeutics were distinct in constraining conventional T-cell numerical recovery and facilitating preferential Treg recovery at day +21. However, cyclophosphamide was unique in consistently reducing proliferation and expression of the activation marker CD25 by alloreactive CD4+Foxp3- conventional T cells at day +7. Furthermore, cyclophosphamide restrained the differentiation of alloreactive CD4+Foxp3- conventional T cells at both days +7 and +21, whereas methotrexate and cytarabine only restrained differentiation at day +7. No chemotherapeutic selectively eliminated alloreactive T cells. These data suggest that constrained alloreactive CD4+Foxp3- conventional T-cell numerical recovery and associated preferential CD4+CD25+Foxp3+ Treg reconstitution at day +21 may be potential biomarkers of effective GVHD prevention. Additionally, these results reveal that PTCy uniquely restrains alloreactive CD4+Foxp3- conventional T-cell proliferation and differentiation, which may explain the superior effects of PTCy in preventing GVHD. Further study is needed to determine whether these findings also hold true in clinical HCT.
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Affiliation(s)
- Ashley D. Hadjis
- Experimental Transplantation and Immunotherapy Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Natalia S. Nunes
- Experimental Transplantation and Immunotherapy Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Shanzay M. Khan
- Experimental Transplantation and Immunotherapy Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Rochelle E. Fletcher
- Experimental Transplantation and Immunotherapy Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Alessandra de Paula Pohl
- Experimental Transplantation and Immunotherapy Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - David J. Venzon
- Biostatistics and Data Management Section, Office of the Clinical Director, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Michael A. Eckhaus
- Division of Veterinary Resources, Office of Research Services, National Institutes of Health, Bethesda, MD, United States
| | - Christopher G. Kanakry
- Experimental Transplantation and Immunotherapy Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
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17
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Targeted Self-Emulsifying Drug Delivery Systems to Restore Docetaxel Sensitivity in Resistant Tumors. Pharmaceutics 2022; 14:pharmaceutics14020292. [PMID: 35214025 PMCID: PMC8876228 DOI: 10.3390/pharmaceutics14020292] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/24/2022] [Accepted: 01/25/2022] [Indexed: 02/01/2023] Open
Abstract
The use of chemotherapeutic agents such as docetaxel (DTX) in anticancer therapy is often correlated to side effects and the occurrence of drug resistance, which substantially impair the efficacy of the drug. Here, we demonstrate that self-emulsifying drug delivery systems (SEDDS) coated with enoxaparin (Enox) are a promising strategy to deliver DTX in resistant tumors. DTX partition studies between the SEDDS pre-concentrate and the release medium (water) suggest that the drug is well retained within the SEDDS upon dilution in the release medium. All SEDDS formulations show droplets with a mean diameter between 110 and 145 nm following dilution in saline and negligible hemolytic activity; the droplet size remains unchanged upon sterilization. Enox-coated SEDDS containing DTX exhibit an enhanced inhibition of cell growth compared to the control on cells of different solid tumors characterized by high levels of FGFR, which is due to an increased DTX internalization mediated by Enox. Moreover, only Enox-coated SEDDS are able to restore the sensitivity to DTX in resistant cells expressing MRP1 and BCRP by inhibiting the activity of these two main efflux transporters for DTX. The efficacy and safety of these formulations is also confirmed in vivo in resistant non-small cell lung cancer xenografts.
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18
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Hermann R, Krajcsi P, Fluck M, Seithel-Keuth A, Bytyqi A, Galazka A, Munafo A. Review of Transporter Substrate, Inhibitor, and Inducer Characteristics of Cladribine. Clin Pharmacokinet 2021; 60:1509-1535. [PMID: 34435310 PMCID: PMC8613159 DOI: 10.1007/s40262-021-01065-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/28/2021] [Indexed: 12/23/2022]
Abstract
Cladribine is a nucleoside analog that is phosphorylated in its target cells (B- and T-lymphocytes) to its active adenosine triphosphate form (2-chlorodeoxyadenosine triphosphate). Cladribine tablets 10 mg (Mavenclad®) administered for up to 10 days per year in 2 consecutive years (3.5-mg/kg cumulative dose over 2 years) are used to treat patients with relapsing multiple sclerosis. The ATP-binding cassette, solute carrier, and nucleoside transporter substrate, inhibitor, and inducer characteristics of cladribine are reviewed in this article. Available evidence suggests that the distribution of cladribine across biological membranes is facilitated by a number of uptake and efflux transporters. Among the key ATP-binding cassette efflux transporters, only breast cancer resistance protein has been shown to be an efficient transporter of cladribine, while P-glycoprotein does not transport cladribine well. Intestinal absorption, distribution throughout the body, and intracellular uptake of cladribine appear to be exclusively mediated by equilibrative and concentrative nucleoside transporters, specifically by ENT1, ENT2, ENT4, CNT2 (low affinity), and CNT3. Renal excretion of cladribine appears to be most likely driven by breast cancer resistance protein, ENT1, and P-glycoprotein. The latter may play a role despite its poor cladribine transport efficiency in view of the renal abundance of P-glycoprotein. There is no evidence that solute carrier uptake transporters such as organic anion transporting polypeptides, organic anion transporters, and organic cation transporters are involved in the transport of cladribine. Available in vitro studies examining the inhibitor characteristics of cladribine for a total of 13 major ATP-binding cassette, solute carrier, and CNT transporters indicate that in vivo inhibition of any of these transporters by cladribine is unlikely.
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Affiliation(s)
- Robert Hermann
- Clinical Research Appliance (cr.appliance), Heinrich-Vingerhut-Weg 3, 63571, Gelnhausen, Germany.
| | | | | | | | | | | | - Alain Munafo
- Institute of Pharmacometrics, an Affiliate of Merck KGaA, Lausanne, Switzerland
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19
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Miller SR, Jilek JL, McGrath ME, Hau RK, Jennings EQ, Galligan JJ, Wright SH, Cherrington NJ. Testicular disposition of clofarabine in rats is dependent on equilibrative nucleoside transporters. Pharmacol Res Perspect 2021; 9:e00831. [PMID: 34288585 PMCID: PMC8292784 DOI: 10.1002/prp2.831] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 06/18/2021] [Indexed: 01/13/2023] Open
Abstract
Acute lymphoblastic leukemia (ALL) is the most common cancer in children and adolescents. Although the 5-year survival rate is high, some patients respond poorly to chemotherapy or have recurrence in locations such as the testis. The blood-testis barrier (BTB) can prevent complete eradication by limiting chemotherapeutic access and lead to testicular relapse unless a chemotherapeutic is a substrate of drug transporters present at this barrier. Equilibrative nucleoside transporter (ENT) 1 and ENT2 facilitate the movement of substrates across the BTB. Clofarabine is a nucleoside analog used to treat relapsed or refractory ALL. This study investigated the role of ENTs in the testicular disposition of clofarabine. Pharmacological inhibition of the ENTs by 6-nitrobenzylthioinosine (NBMPR) was used to determine ENT contribution to clofarabine transport in primary rat Sertoli cells, in human Sertoli cells, and across the rat BTB. The presence of NBMPR decreased clofarabine uptake by 40% in primary rat Sertoli cells (p = .0329) and by 53% in a human Sertoli cell line (p = .0899). Rats treated with 10 mg/kg intraperitoneal (IP) injection of the NBMPR prodrug, 6-nitrobenzylthioinosine 5'-monophosphate (NBMPR-P), or vehicle, followed by an intravenous (IV) bolus 10 mg/kg dose of clofarabine, showed a trend toward a lower testis concentration of clofarabine than vehicle (1.81 ± 0.59 vs. 2.65 ± 0.92 ng/mg tissue; p = .1160). This suggests that ENTs could be important for clofarabine disposition. Clofarabine may be capable of crossing the human BTB, and its potential use as a first-line treatment to avoid testicular relapse should be considered.
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Affiliation(s)
- Siennah R. Miller
- College of PharmacyDepartment of Pharmacology & ToxicologyUniversity of ArizonaTucsonAZUSA
| | - Joseph L. Jilek
- College of PharmacyDepartment of Pharmacology & ToxicologyUniversity of ArizonaTucsonAZUSA
| | - Meghan E. McGrath
- College of PharmacyDepartment of Pharmacology & ToxicologyUniversity of ArizonaTucsonAZUSA
| | - Raymond K. Hau
- College of PharmacyDepartment of Pharmacology & ToxicologyUniversity of ArizonaTucsonAZUSA
| | - Erin Q. Jennings
- College of PharmacyDepartment of Pharmacology & ToxicologyUniversity of ArizonaTucsonAZUSA
| | - James J. Galligan
- College of PharmacyDepartment of Pharmacology & ToxicologyUniversity of ArizonaTucsonAZUSA
| | - Stephen H. Wright
- College of MedicineDepartment of PhysiologyUniversity of ArizonaTucsonAZUSA
| | - Nathan J. Cherrington
- College of PharmacyDepartment of Pharmacology & ToxicologyUniversity of ArizonaTucsonAZUSA
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20
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Miller SR, Lane TR, Zorn KM, Ekins S, Wright SH, Cherrington NJ. Multiple Computational Approaches for Predicting Drug Interactions with Human Equilibrative Nucleoside Transporter 1. DRUG METABOLISM AND DISPOSITION: THE BIOLOGICAL FATE OF CHEMICALS 2021; 49:479-489. [PMID: 33980604 DOI: 10.1124/dmd.121.000423] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Accepted: 04/05/2021] [Indexed: 12/17/2022]
Abstract
Equilibrativenucleoside transporters (ENTs) participate in the pharmacokinetics and disposition of nucleoside analog drugs. Understanding drug interactions with the ENTs may inform and facilitate the development of new drugs, including chemotherapeutics and antivirals that require access to sanctuary sites such as the male genital tract. This study created three-dimensional pharmacophores for ENT1 and ENT2 substrates and inhibitors using Kt and IC50 data curated from the literature. Substrate pharmacophores for ENT1 and ENT2 are distinct, with partial overlap of hydrogen bond donors, whereas the inhibitor pharmacophores predominantly feature hydrogen bond acceptors. Mizoribine and ribavirin mapped to the ENT1 substrate pharmacophore and proved to be substrates of the ENTs. The presence of the ENT-specific inhibitor 6-S-[(4-nitrophenyl)methyl]-6-thioinosine (NBMPR) decreased mizoribine accumulation in ENT1 and ENT2 cells (ENT1, ∼70% decrease, P = 0.0046; ENT2, ∼50% decrease, P = 0.0012). NBMPR also decreased ribavirin accumulation in ENT1 and ENT2 cells (ENT1: ∼50% decrease, P = 0.0498; ENT2: ∼30% decrease, P = 0.0125). Darunavir mapped to the ENT1 inhibitor pharmacophore and NBMPR did not significantly influence darunavir accumulation in either ENT1 or ENT2 cells (ENT1: P = 0.28; ENT2: P = 0.53), indicating that darunavir's interaction with the ENTs is limited to inhibition. These computational and in vitro models can inform compound selection in the drug discovery and development process, thereby reducing time and expense of identification and optimization of ENT-interacting compounds. SIGNIFICANCE STATEMENT: This study developed computational models of human equilibrative nucleoside transporters (ENTs) to predict drug interactions and validated these models with two compounds in vitro. Identification and prediction of ENT1 and ENT2 substrates allows for the determination of drugs that can penetrate tissues expressing these transporters.
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Affiliation(s)
- Siennah R Miller
- College of Pharmacy, Department of Pharmacology & Toxicology (S.R.M., N.J.C.), and College of Medicine, Department of Physiology (S.H.W.), University of Arizona, Tucson, Arizona; and Collaborations Pharmaceuticals, Inc., Raleigh, North Carolina (T.R.L., K.M.Z., S.E.)
| | - Thomas R Lane
- College of Pharmacy, Department of Pharmacology & Toxicology (S.R.M., N.J.C.), and College of Medicine, Department of Physiology (S.H.W.), University of Arizona, Tucson, Arizona; and Collaborations Pharmaceuticals, Inc., Raleigh, North Carolina (T.R.L., K.M.Z., S.E.)
| | - Kimberley M Zorn
- College of Pharmacy, Department of Pharmacology & Toxicology (S.R.M., N.J.C.), and College of Medicine, Department of Physiology (S.H.W.), University of Arizona, Tucson, Arizona; and Collaborations Pharmaceuticals, Inc., Raleigh, North Carolina (T.R.L., K.M.Z., S.E.)
| | - Sean Ekins
- College of Pharmacy, Department of Pharmacology & Toxicology (S.R.M., N.J.C.), and College of Medicine, Department of Physiology (S.H.W.), University of Arizona, Tucson, Arizona; and Collaborations Pharmaceuticals, Inc., Raleigh, North Carolina (T.R.L., K.M.Z., S.E.)
| | - Stephen H Wright
- College of Pharmacy, Department of Pharmacology & Toxicology (S.R.M., N.J.C.), and College of Medicine, Department of Physiology (S.H.W.), University of Arizona, Tucson, Arizona; and Collaborations Pharmaceuticals, Inc., Raleigh, North Carolina (T.R.L., K.M.Z., S.E.)
| | - Nathan J Cherrington
- College of Pharmacy, Department of Pharmacology & Toxicology (S.R.M., N.J.C.), and College of Medicine, Department of Physiology (S.H.W.), University of Arizona, Tucson, Arizona; and Collaborations Pharmaceuticals, Inc., Raleigh, North Carolina (T.R.L., K.M.Z., S.E.)
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Chambers IG, Willoughby MM, Hamza I, Reddi AR. One ring to bring them all and in the darkness bind them: The trafficking of heme without deliverers. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2021; 1868:118881. [PMID: 33022276 PMCID: PMC7756907 DOI: 10.1016/j.bbamcr.2020.118881] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 09/22/2020] [Accepted: 09/25/2020] [Indexed: 02/07/2023]
Abstract
Heme, as a hydrophobic iron-containing organic ring, is lipid soluble and can interact with biological membranes. The very same properties of heme that nature exploits to support life also renders heme potentially cytotoxic. In order to utilize heme, while also mitigating its toxicity, cells are challenged to tightly control the concentration and bioavailability of heme. On the bright side, it is reasonable to envision that, analogous to other transition metals, a combination of membrane-bound transporters, soluble carriers, and chaperones coordinate heme trafficking to subcellular compartments. However, given the dual properties exhibited by heme as a transition metal and lipid, it is compelling to consider the dark side: the potential role of non-proteinaceous biomolecules including lipids and nucleic acids that bind, sequester, and control heme trafficking and bioavailability. The emergence of inter-organellar membrane contact sites, as well as intracellular vesicles derived from various organelles, have raised the prospect that heme can be trafficked through hydrophobic channels. In this review, we aim to focus on heme delivery without deliverers - an alternate paradigm for the regulation of heme homeostasis through chaperone-less pathways for heme trafficking.
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Affiliation(s)
- Ian G Chambers
- Department of Animal and Avian Sciences, Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD 20740, United States of America
| | - Mathilda M Willoughby
- School of Chemistry and Biochemistry, Parker Petit Institute for Bioengineering and Biosciences, Georgia Institute of Technology, Atlanta, GA 30332, United States of America
| | - Iqbal Hamza
- Department of Animal and Avian Sciences, Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD 20740, United States of America.
| | - Amit R Reddi
- School of Chemistry and Biochemistry, Parker Petit Institute for Bioengineering and Biosciences, Georgia Institute of Technology, Atlanta, GA 30332, United States of America.
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Song H, Liu D, Dong S, Zeng L, Wu Z, Zhao P, Zhang L, Chen ZS, Zou C. Epitranscriptomics and epiproteomics in cancer drug resistance: therapeutic implications. Signal Transduct Target Ther 2020; 5:193. [PMID: 32900991 PMCID: PMC7479143 DOI: 10.1038/s41392-020-00300-w] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 07/18/2020] [Accepted: 07/28/2020] [Indexed: 12/24/2022] Open
Abstract
Drug resistance is a major hurdle in cancer treatment and a key cause of poor prognosis. Epitranscriptomics and epiproteomics are crucial in cell proliferation, migration, invasion, and epithelial–mesenchymal transition. In recent years, epitranscriptomic and epiproteomic modification has been investigated on their roles in overcoming drug resistance. In this review article, we summarized the recent progress in overcoming cancer drug resistance in three novel aspects: (i) mRNA modification, which includes alternative splicing, A-to-I modification and mRNA methylation; (ii) noncoding RNAs modification, which involves miRNAs, lncRNAs, and circRNAs; and (iii) posttranslational modification on molecules encompasses drug inactivation/efflux, drug target modifications, DNA damage repair, cell death resistance, EMT, and metastasis. In addition, we discussed the therapeutic implications of targeting some classical chemotherapeutic drugs such as cisplatin, 5-fluorouridine, and gefitinib via these modifications. Taken together, this review highlights the importance of epitranscriptomic and epiproteomic modification in cancer drug resistance and provides new insights on potential therapeutic targets to reverse cancer drug resistance.
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Affiliation(s)
- Huibin Song
- Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518001, Guangdong, China
| | - Dongcheng Liu
- Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518001, Guangdong, China
| | - Shaowei Dong
- Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518001, Guangdong, China
| | - Leli Zeng
- College of Pharmacy and Health Sciences, St. John's University, Queens, 11439 New York, USA.,Tomas Lindahl Nobel Laureate Laboratory, Research Centre, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518107, Guangdong, China
| | - Zhuoxun Wu
- College of Pharmacy and Health Sciences, St. John's University, Queens, 11439 New York, USA
| | - Pan Zhao
- Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518001, Guangdong, China
| | - Litu Zhang
- Department of Research, Affiliated Tumor Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Zhe-Sheng Chen
- College of Pharmacy and Health Sciences, St. John's University, Queens, 11439 New York, USA.
| | - Chang Zou
- Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518001, Guangdong, China. .,Shenzhen Public Service Platform on Tumor Precision Medicine and Molecular Diagnosis, Shenzhen, 518001, Guangdong, China.
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Shi B, Xu FF, Xiang CP, Jia R, Yan CH, Ma SQ, Wang N, Wang AJ, Fan P. Effect of sodium butyrate on ABC transporters in lung cancer A549 and colorectal cancer HCT116 cells. Oncol Lett 2020; 20:148. [PMID: 32934716 PMCID: PMC7471751 DOI: 10.3892/ol.2020.12011] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Accepted: 07/22/2020] [Indexed: 12/18/2022] Open
Abstract
Histone deacetylase (HDAC) inhibitors and DNA alkylators are effective components of combination chemotherapy. The aim of the present study was to investigate the possible mechanism of their synergism by detecting the effect of HDAC inhibitors on the expression levels of drug transporters that export DNA alkylators. It was demonstrated that the HDAC inhibitor sodium butyrate (NaB) induced the differential expression of multidrug resistant ATP-binding cassette (ABC) transporters in lung cancer and colorectal cancer cells. Specifically, NaB increased the mRNA expression levels of ABC subfamily B member 1 (ABCB1), ABCC10 and ABCC12, and protein expression levels of multidrug resistance-1 (MDR1), multidrug resistance-associated protein 7 (MRP7) and MRP9. Moreover, NaB decreased the expression levels of ABCC1, ABCC2 and ABCC3 mRNAs, as well as those of MRP1, MRP2 and MRP3 proteins. The molecular mechanism underlying this process was subsequently investigated. NaB decreased the expression of HDAC4, but not HDAC1, HDAC2 or HDAC3. In addition, NaB promoted histone H3 acetylation and methylation at lysine 9, as well as MDR1 acetylation, suggesting that acetylation and methylation may be involved in NaB-mediated ABC transporter expression. Thus, the present results indicated that the synergism of the HDAC inhibitors with the DNA alkylating agents may due to the inhibitory effect of MRPs by HDAC inhibitors. The findings also suggested the possibility of antagonistic effects following the combined treatment of HDAC inhibitors with MDR1 ligands.
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Affiliation(s)
- Bin Shi
- Department of Anorectal Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230000, P.R. China
| | - Fang-Fang Xu
- Department of Anorectal Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230000, P.R. China
| | - Cai-Ping Xiang
- Department of Anorectal Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230000, P.R. China
| | - Ru Jia
- Department of Anorectal Surgery, The Second Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui 230000, P.R. China
| | - Chun-Hong Yan
- Department of Anorectal Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230000, P.R. China
| | - Se-Qing Ma
- Department of Anorectal Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230000, P.R. China
| | - Ning Wang
- Department of Anorectal Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230000, P.R. China
| | - An-Jiao Wang
- Department of Anorectal Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230000, P.R. China
| | - Ping Fan
- Department of Anorectal Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230000, P.R. China
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Harnessing Gene Expression Profiles for the Identification of Ex Vivo Drug Response Genes in Pediatric Acute Myeloid Leukemia. Cancers (Basel) 2020; 12:cancers12051247. [PMID: 32429253 PMCID: PMC7281398 DOI: 10.3390/cancers12051247] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 05/06/2020] [Accepted: 05/12/2020] [Indexed: 12/28/2022] Open
Abstract
Novel treatment strategies are of paramount importance to improve clinical outcomes in pediatric AML. Since chemotherapy is likely to remain the cornerstone of curative treatment of AML, insights in the molecular mechanisms that determine its cytotoxic effects could aid further treatment optimization. To assess which genes and pathways are implicated in tumor drug resistance, we correlated ex vivo drug response data to genome-wide gene expression profiles of 73 primary pediatric AML samples obtained at initial diagnosis. Ex vivo response of primary AML blasts towards cytarabine (Ara C), daunorubicin (DNR), etoposide (VP16), and cladribine (2-CdA) was associated with the expression of 101, 345, 206, and 599 genes, respectively (p < 0.001, FDR 0.004–0.416). Microarray based expression of multiple genes was technically validated using qRT-PCR for a selection of genes. Moreover, expression levels of BRE, HIF1A, and CLEC7A were confirmed to be significantly (p < 0.05) associated with ex vivo drug response in an independent set of 48 primary pediatric AML patients. We present unique data that addresses transcriptomic analyses of the mechanisms underlying ex vivo drug response of primary tumor samples. Our data suggest that distinct gene expression profiles are associated with ex vivo drug response, and may confer a priori drug resistance in leukemic cells. The described associations represent a fundament for the development of interventions to overcome drug resistance in AML, and maximize the benefits of current chemotherapy for sensitive patients.
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Gose T, Shafi T, Fukuda Y, Das S, Wang Y, Allcock A, Gavan McHarg A, Lynch J, Chen T, Tamai I, Shelat A, Ford RC, Schuetz JD. ABCG2 requires a single aromatic amino acid to "clamp" substrates and inhibitors into the binding pocket. FASEB J 2020; 34:4890-4903. [PMID: 32067270 DOI: 10.1096/fj.201902338rr] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 12/26/2019] [Accepted: 01/16/2020] [Indexed: 12/12/2022]
Abstract
ATP-binding cassette sub-family G member 2 (ABCG2) is a homodimeric ATP-binding cassette (ABC) transporter that not only has a key role in helping cancer cells to evade the cytotoxic effects of chemotherapy, but also in protecting organisms from multiple xeno- and endobiotics. Structural studies indicate that substrate and inhibitor (ligands) binding to ABCG2 can be differentiated quantitatively by the number of amino acid contacts, with inhibitors displaying more contacts. Although binding is the obligate initial step in the transport cycle, there is no empirical evidence for one amino acid being primarily responsible for ligand binding. By mutagenesis and biochemical studies, we demonstrated that the phylogenetically conserved amino acid residue, F439, was critical for both transport and the binding of multiple substrates and inhibitors. Structural modeling implied that the π-π interactions from each F439 monomer mediated the binding of a surprisingly diverse array of structurally unrelated substrates and inhibitors and that this symmetrical π-π interaction "clamps" the ligand into the binding pocket. Key molecular features of diverse ABCG2 ligands using the π-π clamp along with structural studies created a pharmacophore model. These novel findings have important therapeutic implications because key properties of ligands interacting with ABCG2 have been disovered. Furthermore, mechanistic insights have been revealed by demonstrating that for ABCG2 a single amino acid is essential for engaging and initiating transport of multiple drugs and xenobiotics.
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Affiliation(s)
- Tomoka Gose
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Talha Shafi
- School of Biological Sciences, The University of Manchester, Manchester, UK
| | - Yu Fukuda
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Sourav Das
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Yao Wang
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Alice Allcock
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Ailsa Gavan McHarg
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - John Lynch
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Taosheng Chen
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Ikumi Tamai
- Department of Pharmaceutical Sciences, Kanazawa University, Kanazawa, Japan
| | - Anang Shelat
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Robert C Ford
- School of Biological Sciences, The University of Manchester, Manchester, UK
| | - John D Schuetz
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, TN, USA
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Fu Y, Xu M, Cui Z, Yang Z, Zhang Z, Yin X, Huang X, Zhou M, Wang X, Chen C. Genome-wide identification of FHL1 as a powerful prognostic candidate and potential therapeutic target in acute myeloid leukaemia. EBioMedicine 2020; 52:102664. [PMID: 32062360 PMCID: PMC7021551 DOI: 10.1016/j.ebiom.2020.102664] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 01/16/2020] [Accepted: 01/22/2020] [Indexed: 01/21/2023] Open
Abstract
Background Acute myeloid leukaemia (AML) is a malignant haematological tumour with high heterogeneity and mortality. A reliable prognostic assessment is critical for treatment strategies. However, the current prognostic evaluation system of AML is insufficient. Methods Genome-wide univariate Cox regression analysis was performed on three independent AML datasets to screen for the prognostic-related genes. Kaplan–Meier survival analysis was employed to verify the efficacy of FHL1 in evaluating overall survival in 1298 de novo AML patients, 648 non-acute promyelocytic leukaemia AML patients and 407 cytogenetically normal AML patients; the data for some of these patients were also used for EFS and RFS validation. Multivariate Cox regression was performed to validate FHL1 as an independent prognostic indicator. WGCNA, GSEA, and gene correlation analysis were applied to explore the mechanism of FHL1 in AML. The synergistic cytocidal effect of FHL1 knockdown was verified in in vitro experiments. Findings Comprehensive genome-wide analyses and large-sample validation showed that FHL1 is a powerful prognostic candidate for overall survival, event-free survival, and relapse-free survival in AML and is independent of prognosis-related clinical factors and genetic abnormalities. The molecular mechanism may occur through regulation of FHL1 in leukaemia stem cells, tumour-associated signalling pathways, and transmembrane transport of chemotherapeutic drugs. FHL1-targeted intervention enhances the sensitivity of AML cells to cytarabine. Interpretation FHL1 may serve as an evaluation factor for clinical strategy selection, and its targeted intervention may be beneficial for chemotherapy in AML patients.
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Affiliation(s)
- Yue Fu
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, Shandong, China; School of Medicine, Shandong University, Jinan, Shandong, China; Shandong Provincial Key Laboratory of Immunohematology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Man Xu
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Zelong Cui
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Zongcheng Yang
- School of Stomatology, Shandong University, Jinan, Shandong, China
| | - Zhiyong Zhang
- School of Computer Science and Technology, Shandong University, Qingdao, Shandong, China; Fintech Institute of the People's Bank of China, Shenzhen, Guangdong, China
| | - Xiaolin Yin
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Xiangnan Huang
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Minran Zhou
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Xiaoming Wang
- Department of Pediatrics, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Chunyan Chen
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, Shandong, China.
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Perez DR, Sklar LA, Chigaev A, Matlawska-Wasowska K. Drug repurposing for targeting cyclic nucleotide transporters in acute leukemias - A missed opportunity. Semin Cancer Biol 2020; 68:199-208. [PMID: 32044470 DOI: 10.1016/j.semcancer.2020.02.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 10/01/2019] [Accepted: 02/03/2020] [Indexed: 02/08/2023]
Abstract
While current treatment regimens for acute leukemia can dramatically improve patient survival, there remains room for improvement. Due to its roles in cell differentiation, cell survival, and apoptotic signaling, modulation of the cyclic AMP (cAMP) pathway has provided a meaningful target in hematological malignancies. Several studies have demonstrated that gene expression profiles associated with increased pro-survival cAMP activity or downregulation of various pro-apoptotic factors associated with the cAMP pathway are apparent in acute leukemia patients. Previous work to increase leukemia cell intracellular cAMP focused on the use of cAMP analogs, stimulating cAMP production via transmembrane-associated adenylyl cyclases, or decreasing cAMP degradation by inhibiting phosphodiesterase activity. However, targeting cyclic nucleotide efflux by ATP-binding cassette (ABC) transporters represents an unexplored approach for modulation of intracellular cyclic nucleotide levels. Preliminary studies have shown that inhibition of cAMP efflux can stimulate leukemia cell differentiation, cell growth arrest, and apoptosis, indicating that targeting cAMP efflux may show promise for future therapeutic development. Furthermore, inhibition of cyclic nucleotide transporter activity may also contribute multiple anticancer benefits by reducing extracellular pro-survival signaling in malignant cells. Hence, several opportunities for drug repurposing may exist for targeting cyclic nucleotide transporters.
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Affiliation(s)
- Dominique R Perez
- Department of Pathology, Health Sciences Center, University of New Mexico, Albuquerque, NM, USA; Center for Molecular Discovery, Health Sciences Center, University of New Mexico, Albuquerque, NM, USA
| | - Larry A Sklar
- Department of Pathology, Health Sciences Center, University of New Mexico, Albuquerque, NM, USA; Center for Molecular Discovery, Health Sciences Center, University of New Mexico, Albuquerque, NM, USA; University of New Mexico Comprehensive Cancer Center, Albuquerque, NM, USA
| | - Alexandre Chigaev
- Department of Pathology, Health Sciences Center, University of New Mexico, Albuquerque, NM, USA; Center for Molecular Discovery, Health Sciences Center, University of New Mexico, Albuquerque, NM, USA; University of New Mexico Comprehensive Cancer Center, Albuquerque, NM, USA.
| | - Ksenia Matlawska-Wasowska
- University of New Mexico Comprehensive Cancer Center, Albuquerque, NM, USA; Department of Pediatrics, Division of Hematology-Oncology, Health Sciences Center, University of New Mexico, Albuquerque, NM, USA.
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Wang H, Li JM, Wei W, Yang R, Chen D, Ma XD, Jiang GM, Wang BL. Regulation of ATP-binding cassette subfamily B member 1 by Snail contributes to chemoresistance in colorectal cancer. Cancer Sci 2019; 111:84-97. [PMID: 31774615 PMCID: PMC6942434 DOI: 10.1111/cas.14253] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 10/15/2019] [Accepted: 10/31/2019] [Indexed: 12/18/2022] Open
Abstract
Although accumulating evidence has indicated the intimate association between epithelial‐mesenchymal transition (EMT) and acquired resistance to chemotherapy for colorectal cancer (CRC), the underlying mechanisms remain elusive. Herein, we reported that Snail, a crucial EMT controller, was upregulated in CRC tissues. Colorectal cancer cells overexpressing Snail were found to be more resistant to 5‐fluorouracil (5‐Fu). Mechanistic studies reveal that Snail could increase the expression of ATP‐binding cassette subfamily B member 1 (ABCB1) rather than the other 23 chemoresistance‐related genes. Additionally, knockdown of ABCB1 significantly attenuated Snail‐induced 5‐Fu resistance in CRC cells. Oxaliplatin increased Snail and ABCB1 expression in CRC cells. Snail and ABCB1 were upregulated in 5‐Fu‐resistant HCT‐8 (HCT‐8/5‐Fu) cells and inhibition of Snail decreased ABCB1 in HCT‐8/5‐Fu cells. These results confirm the vital role played by ABCB1 in Snail‐induced chemoresistance. Further investigation into the relevant molecular mechanism revealed Snail‐mediated ABCB1 upregulation was independent of β‐catenin, STAT3, PXR, CAR and Foxo3a, which are commonly involved in modulating ABCB1 transcription. Instead, Snail upregulated ABCB1 transcription by directly binding to its promoter. Clinical analysis confirms that increased Snail expression correlated significantly with tumor size (P = .018), lymph node metastasis (P = .033), distant metastasis (P = .025), clinical stage grade (P = .024), and poor prognosis (P = .045) of CRC patients. Moreover, coexpression of Snail and ABCB1 was observed in CRC patients. Our study revealed that direct regulation of ABCB1 by Snail was critical for conferring chemoresistance in CRC cells. These findings unraveled the mechanisms underlying the association between EMT and chemoresistance, and provided potential targets for CRC clinical treatment.
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Affiliation(s)
- Hao Wang
- Division of Life Sciences and Medicine, Department of Clinical Laboratory, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China
| | - Ji-Min Li
- Division of Life Sciences and Medicine, Department of Clinical Laboratory, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China
| | - Wei Wei
- Division of Life Sciences and Medicine, Department of Clinical Laboratory, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China
| | - Rui Yang
- Division of Life Sciences and Medicine, Department of Clinical Laboratory, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China
| | - Dong Chen
- School of Bengbu Medical College, Bengbu, China
| | - Xiao-Dong Ma
- Department of Medicinal Chemistry, School of Pharmacy, Anhui University of Chinese Medicine, Hefei, China.,Department of Medicinal Chemistry, Anhui Academy of Chinese Medicine, Hefei, China
| | - Guan-Min Jiang
- Department of Clinical Laboratory, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China
| | - Bao-Long Wang
- Division of Life Sciences and Medicine, Department of Clinical Laboratory, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China
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Zhang C, Jiao L, Bai H, Zhao Z, Hu X, Wang M, Wu T, Peng W, Liu T, Song J, Zhou J, Li M, Lyv M, Zhang J, Chen H, Chen J, Ying B. Association of POR and PPARα polymorphisms with risk of anti-tuberculosis drug-induced liver injury in Western Chinese Han population. INFECTION GENETICS AND EVOLUTION 2019; 79:104147. [PMID: 31857256 DOI: 10.1016/j.meegid.2019.104147] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 11/24/2019] [Accepted: 12/16/2019] [Indexed: 02/08/2023]
Abstract
OBJECTIVES Anti-tuberculosis drug-induced liver injury (ATDILI) is a common and sometimes severe adverse drug reaction (ADR). This study was conducted to investigate the relationship between polymorphisms of two genes, cytochrome P450 oxidoreductase (POR) and peroxisome proliferator-activated receptor α (PPARα), and the risk of ATDILI in Western Chinese Han population. METHODS A total of 118 tuberculosis (TB) patients with ATDILI and 628 TB patients without ATDILI during anti-TB treatment were recruited from West China Hospital of Sichuan University. DNA was extracted from peripheral blood, and genotypes of the selected 12 single nucleotide polymorphisms (SNPs) (3 SNPs in the POR gene and 9 SNPs in the PPARα gene) were determined. Three genetic models (additive, dominant, and recessive), as well as a haplotype, were used to test the genetic risk of ATDILI. Extended subgroup analysis was conducted according to age, sex and different causality assessments. RESULTS The mutant allele, genotype and genetic model of rs3898649 in the POR gene were found to be associated with increased risk of ATDILI, especially in the younger (<50 years old), female and pulmonary tuberculosis subgroup. The other two SNPs rs28737229 and rs4728533 in the POR gene showed only a potential association with susceptibility to ATDILI after Bonferroni correction (P < .05 but PBonferroni > .05). The other 9 SNPs loci (rs135549, rs9626730, rs4253712, rs4823613, rs4253730, rs6007662, rs4253728, rs2024929 and rs135561) in the PPARα gene showed no significant differences between ATDILI and non-ATDILI in either allele frequencies or genotype (all P >.05). CONCLUSIONS The results demonstrated the strong correlation between POR gene SNP rs3898649 and ATDILI susceptibility, suggesting the importance of POR rs3898649 in the pathogenesis and development of ATDILI. Therefore, our results indicated that POR rs3898649 might be a valuable biomarker potentially involved in ATDILI.
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Affiliation(s)
- Chunying Zhang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, PR China
| | - Lin Jiao
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, PR China
| | - Hao Bai
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, PR China
| | - Zhenzhen Zhao
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, PR China
| | - Xuejiao Hu
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, PR China
| | - Minjin Wang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, PR China
| | - Tao Wu
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, PR China
| | - Wu Peng
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, PR China
| | - Tangyuheng Liu
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, PR China
| | - Jiajia Song
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, PR China
| | - Juan Zhou
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, PR China
| | - Mengjiao Li
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, PR China
| | - Mengyuan Lyv
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, PR China
| | - Jingwei Zhang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, PR China
| | - Hao Chen
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, PR China
| | - Jie Chen
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, PR China.
| | - Binwu Ying
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, PR China.
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Identification of candidate ATP-binding cassette transporter gene family members in Diaphorina citri (Hemiptera: Psyllidae) via adult tissues transcriptome analysis. Sci Rep 2019; 9:15842. [PMID: 31676883 PMCID: PMC6825165 DOI: 10.1038/s41598-019-52402-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 10/15/2019] [Indexed: 12/12/2022] Open
Abstract
The ATP-binding cassette (ABC) transporters exist in all living organisms and play major roles in various biological functions by transporting a wide variety of substrates across membranes. The functions of ABC transporters in drug resistance have been extensively studied in vertebrates; however, they are rarely characterized in agricultural pests. The Asian citrus psyllid, Diaphorina citri, is one of the most damaging pests of the Citrus genus because of its transmission of Huanglongbing, also known as Yellow Dragon disease. In this study, the next-generation sequencing technique was applied to research the ABC transporters of D. citri. Fifty-three ABC transporter genes were found in the RNA-Seq data, and among these ABC transporters, 4, 4, 5, 2, 1, 4, 18 and 15 ABC proteins belonged to the ABCA-ABCH subfamilies, respectively. Different expression profiles of 52 genes between imidacloprid-resistant and imidacloprid-susceptible strains were studied by qRT-PCR; 5 ABCGs and 4 ABCHs were significantly upregulated in the imidacloprid-resistant strain. In addition, five of the nine upregulated genes were widely expressed in adult tissues in spatial expression analysis. The results suggest that these genes may play key roles in this phenotype. In general, this study contributed to our current understanding of D. citri resistance to insecticides.
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Coix Seed Extract Enhances the Anti-Pancreatic Cancer Efficacy of Gemcitabine through Regulating ABCB1- and ABCG2-Mediated Drug Efflux: A Bioluminescent Pharmacokinetic and Pharmacodynamic Study. Int J Mol Sci 2019; 20:ijms20215250. [PMID: 31652737 PMCID: PMC6862065 DOI: 10.3390/ijms20215250] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 10/18/2019] [Accepted: 10/21/2019] [Indexed: 01/29/2023] Open
Abstract
A deep insight into the function and kinetics of ATP-binding cassette (ABC) transporters may aid in the development of pharmaceutics that can minimize the particular facet of chemo-resistance. We utilized bioluminescence imaging to monitor the ABC transporter mediated intracellular drug efflux function. We also investigated the potential association between the intracellular bioluminescent pharmacokinetic profiles and the anti-tumor efficacy of the coix seed extract and gemcitabine against pancreatic cancer cells in vitro and in vivo. The bioluminescent pharmacokinetic parameters and pharmacodynamic index (IC50 and TGI) were determined. The expression levels ABCB1 and ABCG2 were assessed. Results showed that coix seed extract could synergistically enhance the anti-cancer efficacy of gemcitabine (p < 0.05). Meanwhile coix seed extract alone or in combination with gemcitabine could significantly increase the AUCluc while decreasing the Kluc (p < 0.01). Western blot and immunohistochemistry assay demonstrated that coix seed extract could significantly mitigate gemcitabine-induced upregulation of ABCB1 and ABCG2 protein. The Pearson correlation analysis demonstrated that the bioluminescent pharmacokinetic parameters and pharmacodynamic index have strong association in vitro and in vivo. In conclusion coix seed extract could augment the efficacy of gemcitabine therapy in pancreatic cancer cells may at least partly due to the alteration of ABC transporter-mediated drug efflux function.
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Wang H, Chi CH, Zhang Y, Shi B, Jia R, Wang BJ. Effects of histone deacetylase inhibitors on ATP-binding cassette transporters in lung cancer A549 and colorectal cancer HCT116 cells. Oncol Lett 2019; 18:63-71. [PMID: 31289473 PMCID: PMC6540461 DOI: 10.3892/ol.2019.10319] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 03/21/2019] [Indexed: 12/13/2022] Open
Abstract
Histone deacetylase (HDAC) inhibitors and DNA alkylators are effective components used in combination chemotherapy. In the present study, the effects of HDAC inhibitors on the expression of ATP-binding cassette (ABC) transporters were investigated. It was observed that HDAC inhibitors induced the expression of multidrug-resistant ABC transporters differently in lung cancer A549 cells than in colorectal cancer HCT116 cells. In these two cell lines, the HDAC inhibitors suberoylanilide hydroxamic acid (SAHA) and trichostatin A (TSA) significantly increased ABCB1 expression at the mRNA and protein levels, whereas they had no evident effect on ABCG2 protein expression. SAHA and TSA decreased ABCG2 mRNA expression in A549 cells and had no evident effect on ABCG2 mRNA expression in HCT116 cells. Notably, SAHA and TSA increased the mRNA expression levels of ABCC5, ABCC6, ABCC10, ABCC11 and ABCC12, as well as the protein expression levels of ABCC2, ABCC10 and ABCC12. By contrast, these inhibitors decreased the mRNA expression levels of ABCC1, ABCC2, ABCC3 and ABCC4, as well as the expression of ABCC1 and ABCC3 proteins. Furthermore, SAHA and TSA were found to downregulate HDAC3 and HDAC4, but not HDAC1 and HDAC2. Taken together, the results suggested that HDAC inhibitors work synergistically with DNA alkylators, in part, due to the inhibitory effect of these inhibitors on ABCC1 expression, which translocates these alkylators from inside to outside of cancer cells. These results further suggested the possibility of antagonism when HDAC inhibitors are combined with anthracyclines and other ABCB1 drug ligands in chemotherapy.
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Affiliation(s)
- Hao Wang
- Department of Clinical Laboratory, The First Affiliated Hospital of University of Science and Technology of China, Hefei, Anhui 230001, P.R. China
| | - Chun-Hua Chi
- Department of Anorectal Surgery, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250014, P.R. China
| | - Ying Zhang
- Department of Anorectal Surgery, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250014, P.R. China
| | - Bin Shi
- Anorectal Department of Traditional Chinese Medicine, The First Affiliated Hospital of University of Science and Technology of China, Hefei, Anhui 230001, P.R. China
| | - Ru Jia
- Department of Anorectal Surgery, The Second Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui 230001, P.R. China
| | - Ben-Jun Wang
- Department of Anorectal Surgery, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250014, P.R. China
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Lowrence RC, Subramaniapillai SG, Ulaganathan V, Nagarajan S. Tackling drug resistance with efflux pump inhibitors: from bacteria to cancerous cells. Crit Rev Microbiol 2019; 45:334-353. [PMID: 31248314 DOI: 10.1080/1040841x.2019.1607248] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Drug resistance is a serious concern in a clinical setting jeopardizing treatment for both infectious agents and cancers alike. The wide-spread emergence of multi-drug resistant (MDR) phenotypes from bacteria to cancerous cells necessitates the need to target resistance mechanisms and prevent the emergence of resistant mutants. Drug efflux seems to be one of the preferred approaches embraced by both microbial and mammalian cells alike, to thwart the action of chemotherapeutic agents thereby leading to a drug resistant phenotype. Relative to microbes, which predominantly employs proton motive force (PMF) powered, Major Facilitator Superfamily (MFS)/Resistance Nodulation and Division (RND) classes of efflux pumps to efflux drugs, cancerous cells preferentially use ATP fuelled ATP binding cassette (ABC) transporters to extrude chemotherapeutic agents. The prevalence, evolutionary characteristics and overlapping functions of ABC transporters have been highlighted in this review. Additionally, we outline the role of ABC pumps in conferring MDR phenotype to both bacteria and cancerous cells and underscore the importance of efflux pump inhibitors (EPI) to mitigate drug resistance. Based on the literature reports and analysis, we reason out feasibility of employing bacteria as a tool to screen for EPI's targeting ABC pumps of cancerous cells.
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Affiliation(s)
- Rene Christena Lowrence
- a Department of Molecular Biology and Biotechnology, University of Sheffield , Sheffield , UK
| | | | | | - Saisubramanian Nagarajan
- c Department of Biotechnology, School of Chemical and Biotechnology, SASTRA Deemed to be University , Thanjavur , India
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Mondesir J, Alary AS, Sibon D, Willems L, Deau B, Suarez F, Hermine O, Fontenay M, Bouscary D, Kosmider O, Tamburini J. Impact of genotype in relapsed and refractory acute myeloid leukaemia patients treated with clofarabine and cytarabine: a retrospective study. Br J Haematol 2019; 187:65-72. [PMID: 31215036 DOI: 10.1111/bjh.16045] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Accepted: 04/16/2019] [Indexed: 12/01/2022]
Abstract
The treatment of relapsed/refractory (R/R) acute myeloid leukaemia (AML) remains a challenge. Among salvage chemotherapy regimens, the clofarabine and cytarabine (CLARA) combination has been widely evaluated and has a favourable safety/efficacy balance. Predictive factors of efficacy in patients with R/R AML are unclear, particularly the impact of AML-related gene mutations. We report our single-centre experience on 34 R/R AML patients treated with CLARA, with a focus on the genetic characterization of our cohort. CLARA yielded a 47% response rate among this poor-prognosis AML population, while two patients (5·8%) died due to treatment-related toxicity. The two-year progression-free survival and overall survival rates were 29·4% and 35·3%, respectively. Nine patients (26%) had long-term response with a median follow-up of 39·5 months among the responders, of whom six underwent haematopoietic stem cell transplantation. Adverse karyotype did not correlate with response or survival, and secondary AML were more frequent among responders to CLARA, suggesting that this combination may successfully salvage R/R AML patients regardless of adverse prognostic markers. We also observed that a low mutational burden and absence of splice mutations correlated with prolonged survival after CLARA, suggesting that extensive genotyping may have prognostic implications in R/R AML.
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Affiliation(s)
- Johanna Mondesir
- Faculté de Médecine Sorbonne Paris Cité, Université Paris Descartes, Paris, France.,Haematology Department, Cochin Hospital, Assistance Publique - Hôpitaux de Paris (AP-HP), Paris, France
| | - Anne-Sophie Alary
- Faculté de Médecine Sorbonne Paris Cité, Université Paris Descartes, Paris, France.,Haematology Laboratory, Cochin Hospital, Assistance Publique - Hôpitaux de Paris (AP-HP), Paris, France
| | - David Sibon
- Faculté de Médecine Sorbonne Paris Cité, Université Paris Descartes, Paris, France.,Haematology Department, Necker Hospital, Assistance Publique - Hôpitaux de Paris (AP-HP), Paris, France
| | - Lise Willems
- Faculté de Médecine Sorbonne Paris Cité, Université Paris Descartes, Paris, France.,Haematology Department, Cochin Hospital, Assistance Publique - Hôpitaux de Paris (AP-HP), Paris, France
| | - Benedicte Deau
- Faculté de Médecine Sorbonne Paris Cité, Université Paris Descartes, Paris, France.,Haematology Department, Cochin Hospital, Assistance Publique - Hôpitaux de Paris (AP-HP), Paris, France
| | - Felipe Suarez
- Faculté de Médecine Sorbonne Paris Cité, Université Paris Descartes, Paris, France.,Haematology Department, Necker Hospital, Assistance Publique - Hôpitaux de Paris (AP-HP), Paris, France
| | - Olivier Hermine
- Faculté de Médecine Sorbonne Paris Cité, Université Paris Descartes, Paris, France.,Haematology Department, Necker Hospital, Assistance Publique - Hôpitaux de Paris (AP-HP), Paris, France
| | - Michaela Fontenay
- Faculté de Médecine Sorbonne Paris Cité, Université Paris Descartes, Paris, France.,Haematology Laboratory, Cochin Hospital, Assistance Publique - Hôpitaux de Paris (AP-HP), Paris, France
| | - Didier Bouscary
- Faculté de Médecine Sorbonne Paris Cité, Université Paris Descartes, Paris, France.,Haematology Department, Cochin Hospital, Assistance Publique - Hôpitaux de Paris (AP-HP), Paris, France
| | - Olivier Kosmider
- Faculté de Médecine Sorbonne Paris Cité, Université Paris Descartes, Paris, France.,Haematology Laboratory, Cochin Hospital, Assistance Publique - Hôpitaux de Paris (AP-HP), Paris, France
| | - Jerome Tamburini
- Faculté de Médecine Sorbonne Paris Cité, Université Paris Descartes, Paris, France.,Haematology Laboratory, Cochin Hospital, Assistance Publique - Hôpitaux de Paris (AP-HP), Paris, France
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SNHG14 confers gefitinib resistance in non-small cell lung cancer by up-regulating ABCB1 via sponging miR-206-3p. Biomed Pharmacother 2019; 116:108995. [PMID: 31121484 DOI: 10.1016/j.biopha.2019.108995] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 05/07/2019] [Accepted: 05/13/2019] [Indexed: 12/15/2022] Open
Abstract
Gefitinib, an epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI), has been widely used as a first-line agent in EGFR-mutant non-small cell lung cancer (NSCLC). Nevertheless, the development of chemoresistance ultimately limited the curative effect of anti-cancer drugs. The present study aims to investigate the functions of SNHG14 in gefitinib resistance and gain insight into the underlying molecular mechanisms. In the present study, we found that SNHG14 expression was elevated and miR-206-3p expression was decreased in gefitinib-resistant NSCLC tumor tissues and cells. Functionally, SNHG14 overexpression increased gefitinib resistance by promoting cell viability, lowering apoptosis and enhancing colony forming ability, while SNHG14 knockdown reduced gefitinib resistance in NSCLC cells. Mechanistically, SNHG14 induced ABCB1 expression via interaction with miR-206-3p. Moreover, depletion of SNHG14 enhanced the sensitivity of NSCLC cells to gefitinib in vivo. Together, SNHG14 confers gefitinib resistance in NSCLC by regulating miR-206-3p/ABCB1 pathway, contributing to a better understanding of SNHG14 in acquired resistance and elucidating a candidate target to improve treatment response of NSCLC patients.
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36
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Ruel NM, Nguyen KH, Vilas G, Hammond JR. Characterization of 6-Mercaptopurine Transport by the SLC43A3-Encoded Nucleobase Transporter. Mol Pharmacol 2019; 95:584-596. [DOI: 10.1124/mol.118.114389] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Accepted: 03/14/2019] [Indexed: 12/22/2022] Open
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Arora K, Rai AK. Dependence of Leishmania parasite on host derived ATP: an overview of extracellular nucleotide metabolism in parasite. J Parasit Dis 2019; 43:1-13. [PMID: 30956439 PMCID: PMC6423245 DOI: 10.1007/s12639-018-1061-4] [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: 06/30/2018] [Accepted: 11/24/2018] [Indexed: 12/29/2022] Open
Affiliation(s)
- Kashika Arora
- Department of Biotechnology, Motilal Nehru National Institute of Technology (MNNIT) Allahabad, Allahabad, 211004 U.P. India
- Present Address: Biomedical Research Center, Ghent University Global Campus, Incheon, 21985 South Korea
| | - Ambak Kumar Rai
- Department of Biotechnology, Motilal Nehru National Institute of Technology (MNNIT) Allahabad, Allahabad, 211004 U.P. India
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38
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Dzobo K, Senthebane DA, Thomford NE, Rowe A, Dandara C, Parker MI. Not Everyone Fits the Mold: Intratumor and Intertumor Heterogeneity and Innovative Cancer Drug Design and Development. OMICS-A JOURNAL OF INTEGRATIVE BIOLOGY 2019; 22:17-34. [PMID: 29356626 DOI: 10.1089/omi.2017.0174] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Disruptive innovations in medicine are game-changing in nature and bring about radical shifts in the way we understand human diseases, their treatment, and/or prevention. Yet, disruptive innovations in cancer drug design and development are still limited. Therapies that cure all cancer patients are in short supply or do not exist at all. Chief among the causes of this predicament is drug resistance, a mechanism that is much more dynamic than previously understood. Drug resistance has limited the initial success experienced with biomarker-guided targeted therapies as well. A major contributor to drug resistance is intratumor heterogeneity. For example, within solid tumors, there are distinct subclones of cancer cells, presenting profound complexity to cancer treatment. Well-known contributors to intratumor heterogeneity are genomic instability, the microenvironment, cellular genotype, cell plasticity, and stochastic processes. This expert review explains that for oncology drug design and development to be more innovative, we need to take into account intratumor heterogeneity. Initially thought to be the preserve of cancer cells, recent evidence points to the highly heterogeneous nature and diverse locations of stromal cells, such as cancer-associated fibroblasts (CAFs) and cancer-associated macrophages (CAMs). Distinct subpopulations of CAFs and CAMs are now known to be located immediately adjacent and distant from cancer cells, with different subpopulations exerting different effects on cancer cells. Disruptive innovation and precision medicine in clinical oncology do not have to be a distant reality, but can potentially be achieved by targeting these spatially separated and exclusive cancer cell subclones and CAF subtypes. Finally, we emphasize that disruptive innovations in drug discovery and development will likely come from drugs whose effect is not necessarily tumor shrinkage.
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Affiliation(s)
- Kevin Dzobo
- 1 International Centre for Genetic Engineering and Biotechnology (ICGEB) , Cape Town, South Africa .,2 Division of Medical Biochemistry, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, Institute of Infectious Disease and Molecular Medicine, University of Cape Town , Cape Town, South Africa
| | - Dimakatso Alice Senthebane
- 1 International Centre for Genetic Engineering and Biotechnology (ICGEB) , Cape Town, South Africa .,2 Division of Medical Biochemistry, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, Institute of Infectious Disease and Molecular Medicine, University of Cape Town , Cape Town, South Africa
| | - Nicholas Ekow Thomford
- 3 Pharmacogenetics Research Group, Division of Human Genetics, Department of Pathology, Faculty of Health Sciences, Institute of Infectious Diseases and Molecular Medicine, University of Cape Town , Cape Town, South Africa
| | - Arielle Rowe
- 1 International Centre for Genetic Engineering and Biotechnology (ICGEB) , Cape Town, South Africa
| | - Collet Dandara
- 3 Pharmacogenetics Research Group, Division of Human Genetics, Department of Pathology, Faculty of Health Sciences, Institute of Infectious Diseases and Molecular Medicine, University of Cape Town , Cape Town, South Africa
| | - M Iqbal Parker
- 2 Division of Medical Biochemistry, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, Institute of Infectious Disease and Molecular Medicine, University of Cape Town , Cape Town, South Africa
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39
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The impact of cigarette smoke exposure, COPD, or asthma status on ABC transporter gene expression in human airway epithelial cells. Sci Rep 2019; 9:153. [PMID: 30655622 PMCID: PMC6336805 DOI: 10.1038/s41598-018-36248-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 11/14/2018] [Indexed: 02/06/2023] Open
Abstract
ABC transporters are conserved in prokaryotes and eukaryotes, with humans expressing 48 transporters divided into 7 classes (ABCA, ABCB, ABCC, ABCD, ABDE, ABCF, and ABCG). Throughout the human body, ABC transporters regulate cAMP levels, chloride secretion, lipid transport, and anti-oxidant responses. We used a bioinformatic approach complemented with in vitro experimental methods for validation of the 48 known human ABC transporters in airway epithelial cells using bronchial epithelial cell gene expression datasets available in NCBI GEO from well-characterized patient populations of healthy subjects and individuals that smoke cigarettes, or have been diagnosed with COPD or asthma, with validation performed in Calu-3 airway epithelial cells. Gene expression data demonstrate that ABC transporters are variably expressed in epithelial cells from different airway generations, regulated by cigarette smoke exposure (ABCA13, ABCB6, ABCC1, and ABCC3), and differentially expressed in individuals with COPD and asthma (ABCA13, ABCC1, ABCC2, ABCC9). An in vitro cell culture model of cigarette smoke exposure was able to recapitulate select observed in situ changes. Our work highlights select ABC transporter candidates of interest and a relevant in vitro model that will enable a deeper understanding of the contribution of ABC transporters in the respiratory mucosa in lung health and disease.
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40
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Ogino Y, Sato A, Uchiumi F, Tanuma SI. Genomic and tumor biological aspects of the anticancer nicotinamide phosphoribosyltransferase inhibitor FK866 in resistant human colorectal cancer cells. Genomics 2018; 111:1889-1895. [PMID: 30582964 DOI: 10.1016/j.ygeno.2018.12.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 12/17/2018] [Accepted: 12/20/2018] [Indexed: 01/22/2023]
Abstract
Cancer cells' resistance to drugs remains an important problem affecting cancer treatment strategies. We previously studied the nicotinamide phosphoribosyltransferase (NAMPT) inhibitor FK866's resistance mechanisms in the human colorectal cancer HCT116 cells. We established an acquired FK866-resistant cell line, HCT116RFK866. In this study, we investigated gene mutations in parental HCT116 and HCT116RFK866 cells using exome sequencing technology. The results indicated cluster genes related to NAD+ biosynthesis (including NAMPT), DNA repair, and ATP-binding cassette transporters were differentially altered in these cells. Interestingly, HCT116RFK866 cells, which are resistant to other class NAMPT inhibitors, were more sensitive to the anticancer 5-fluorouracil and cisplatin and γ-ray irradiation compared to parental HCT116 cells. This higher sensitivity appears to cause a genetic change in the identified gene clusters by resistance to the NAMPT inhibitor FK866. Collectively, these novel findings provide a better understanding of anticancer candidate NAMPT inhibitors with regard to resistance mechanisms and cancer chemotherapy strategies.
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Affiliation(s)
- Yoko Ogino
- Department of Biochemistry, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Noda, Chiba 278-8510, Japan; Department of Gene Regulation, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Noda, Chiba 278-8510, Japan
| | - Akira Sato
- Department of Biochemistry, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Noda, Chiba 278-8510, Japan.
| | - Fumiaki Uchiumi
- Department of Gene Regulation, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Noda, Chiba 278-8510, Japan
| | - Sei-Ichi Tanuma
- Department of Biochemistry, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Noda, Chiba 278-8510, Japan; Department of Genomic Medicinal Science, Research Institute for Science and Technology, Organization for Research Advancement, Tokyo University of Science, Noda, Chiba 278-8510, Japan
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41
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Tsesmetzis N, Paulin CBJ, Rudd SG, Herold N. Nucleobase and Nucleoside Analogues: Resistance and Re-Sensitisation at the Level of Pharmacokinetics, Pharmacodynamics and Metabolism. Cancers (Basel) 2018; 10:cancers10070240. [PMID: 30041457 PMCID: PMC6071274 DOI: 10.3390/cancers10070240] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Revised: 07/18/2018] [Accepted: 07/20/2018] [Indexed: 02/07/2023] Open
Abstract
Antimetabolites, in particular nucleobase and nucleoside analogues, are cytotoxic drugs that, starting from the small field of paediatric oncology, in combination with other chemotherapeutics, have revolutionised clinical oncology and transformed cancer into a curable disease. However, even though combination chemotherapy, together with radiation, surgery and immunotherapy, can nowadays cure almost all types of cancer, we still fail to achieve this for a substantial proportion of patients. The understanding of differences in metabolism, pharmacokinetics, pharmacodynamics, and tumour biology between patients that can be cured and patients that cannot, builds the scientific basis for rational therapy improvements. Here, we summarise current knowledge of how tumour-specific and patient-specific factors can dictate resistance to nucleobase/nucleoside analogues, and which strategies of re-sensitisation exist. We revisit well-established hurdles to treatment efficacy, like the blood-brain barrier and reduced deoxycytidine kinase activity, but will also discuss the role of novel resistance factors, such as SAMHD1. A comprehensive appreciation of the complex mechanisms that underpin the failure of chemotherapy will hopefully inform future strategies of personalised medicine.
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Affiliation(s)
- Nikolaos Tsesmetzis
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, 171 77 Stockholm, Sweden.
| | - Cynthia B J Paulin
- Science for Life Laboratory, Department of Oncology-Pathology, Karolinska Institutet, 171 65 Stockholm, Sweden.
| | - Sean G Rudd
- Science for Life Laboratory, Department of Oncology-Pathology, Karolinska Institutet, 171 65 Stockholm, Sweden.
| | - Nikolas Herold
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, 171 77 Stockholm, Sweden.
- Paediatric Oncology, Theme of Children's and Women's Health, Karolinska University Hospital Solna, 171 76 Stockholm, Sweden.
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42
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Zhang H, Lian Z, Sun G, Liu R, Xu Y. Loss of miR-516a-3p mediates upregulation of ABCC5 in prostate cancer and drives its progression. Onco Targets Ther 2018; 11:3853-3867. [PMID: 30013366 PMCID: PMC6039062 DOI: 10.2147/ott.s167463] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
To gain a comprehensive understanding of whether ABCC5 can regulate prostate cancer (PCa) progression, we performed microarray data analyses and identified that ABCC5 was drastically increased in primary PCa relative to normal samples, metastatic PCa relative to primary PCa, and castration-resistant PCa relative to hormone naïve PCa, respectively. Multivariate Cox regression analysis suggested that ABCC5 overexpression in PCa was an independent prognostic factor for both poor biochemical recurrence-free and overall survival. We demonstrated that ABCC5 knockdown significantly inhibits PCa cell proliferation, migration, and invasion in vitro and suppresses tumor growth and metastasis in vivo. We also demonstrated that miR-516a-3p was significantly downregulated in PCa. We finally demonstrated that ABCC5 was a direct target of miR-516a-3p. miR-516a-3p overexpression can phenotypically copy ABCC5 knockdown-induced phenotypes, whereas forced expression of ABCC5 can drastically reverse the inhibitory effects of miR-516a-3p. miR-516a-3p may modulate the sensitivity of cancer cells to adriamycin and docetaxel by targeting ABCC5 with important implications in the design of new therapeutic agents. Taken together, our results indicated that loss of miR-516a-3p expression and thus uncontrolled ABCC5 upregulation might drive PCa progression and influence chemosensitivity.
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Affiliation(s)
- Hongtuan Zhang
- Department of Urology, National Key Specialty of Urology, The Second Hospital of Tianjin Medical University, Tianjin Key Institute of Urology, Tianjin Medical University, Tianjin, China, ;
| | - Zhenpeng Lian
- Department of Urology, National Key Specialty of Urology, The Second Hospital of Tianjin Medical University, Tianjin Key Institute of Urology, Tianjin Medical University, Tianjin, China, ;
| | - Guangyu Sun
- Department of Urology, National Key Specialty of Urology, The Second Hospital of Tianjin Medical University, Tianjin Key Institute of Urology, Tianjin Medical University, Tianjin, China, ;
| | - Ranlu Liu
- Department of Urology, National Key Specialty of Urology, The Second Hospital of Tianjin Medical University, Tianjin Key Institute of Urology, Tianjin Medical University, Tianjin, China, ;
| | - Yong Xu
- Department of Urology, National Key Specialty of Urology, The Second Hospital of Tianjin Medical University, Tianjin Key Institute of Urology, Tianjin Medical University, Tianjin, China, ;
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43
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Sodium butyrate increases P-gp expression in lung cancer by upregulation of STAT3 and mRNA stabilization of ABCB1. Anticancer Drugs 2018; 29:227-233. [PMID: 29293118 DOI: 10.1097/cad.0000000000000588] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
As a new type of anticancer drug, the effect of histone deacetylase inhibitors (HDACIs) in cancer clinical therapy is disappointing owing to drug resistance. P-glycoprotein (P-gp) is clearly recognized as a multidrug resistance protein. However, the relationship between P-gp and sodium butyrate (SB), a kind of HDACIs, has not been investigated. In this study, we found that SB increased mRNA and protein expression of P-gp in lung cancer cells and the underlying mechanisms were elucidated. We found that SB treatment enhanced the mRNA and protein expression of STAT3 rather than that of β-catenin, Foxo3a, PXR, or CAR, which were reported to directly regulate the transcription of ABCB1, a P-gp-encoding gene. Interestingly, inhibition of STAT3 expression obviously attenuated SB-increased P-gp expression in lung cancer cells, indicating that STAT3 played an important role in SB-mediated P-gp upregulation. Furthermore, we found that SB increased the mRNA stability of ABCB1. In summary, this study showed that SB increased P-gp expression by facilitating transcriptional activation and improving ABCB1 mRNA stability. This study indicated that we should pay more attention to HDACIs during cancer clinical therapy.
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Huang M, Inukai T, Miyake K, Tanaka Y, Kagami K, Abe M, Goto H, Minegishi M, Iwamoto S, Sugihara E, Watanabe A, Somazu S, Shinohara T, Oshiro H, Akahane K, Goi K, Sugita K. Clofarabine exerts antileukemic activity against cytarabine-resistant B-cell precursor acute lymphoblastic leukemia with low deoxycytidine kinase expression. Cancer Med 2018; 7:1297-1316. [PMID: 29473342 PMCID: PMC5911575 DOI: 10.1002/cam4.1323] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 12/09/2017] [Accepted: 12/11/2017] [Indexed: 12/13/2022] Open
Abstract
Cytosine arabinoside (Ara-C) is one of the key drugs for the treatment of acute myeloid leukemia. It is also used for consolidation therapy of acute lymphoblastic leukemia (ALL). Ara-C is a deoxyadenosine analog and is phosphorylated to form cytosine arabinoside triphosphate (Ara-CTP) as an active form. In the first step of the metabolic pathway, Ara-C is phosphorylated to Ara-CMP by deoxycytidine kinase (DCK). However, the current cumulative evidence in the association of the Ara-C sensitivity in ALL appears inconclusive. We analyzed various cell lines for the possible involvement of DCK in the sensitivities of B-cell precursor ALL (BCP-ALL) to Ara-C. Higher DCK expression was associated with higher Ara-C sensitivity. DCK knockout by genome editing with a CRISPR-Cas9 system in an Ara-C-sensitive-ALL cell line induced marked resistance to Ara-C, but not to vincristine and daunorubicin, indicating the involvement of DCK expression in the Ara-C sensitivity of BCP-ALL. DCK gene silencing due to the hypermethylation of a CpG island and reduced DCK activity due to a nonsynonymous variant allele were not associated with Ara-C sensitivity. Clofarabine is a second-generation deoxyadenosine analog rationally synthesized to improve stability and reduce toxicity. The IC50 of clofarabine in 79 BCP-ALL cell lines was approximately 20 times lower than that of Ara-C. In contrast to Ara-C, although the knockout of DCK induced marked resistance to clofarabine, sensitivity to clofarabine was only marginally associated with DCK gene expression level, suggesting a possible efficacy of clofarabine for BCP-ALL that shows relative Ara-C resistance due to low DCK expression.
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Affiliation(s)
- Meixian Huang
- Department of PediatricsSchool of MedicineUniversity of YamanashiYamanashiJapan
| | - Takeshi Inukai
- Department of PediatricsSchool of MedicineUniversity of YamanashiYamanashiJapan
| | - Kunio Miyake
- Department of Health SciencesSchool of MedicineUniversity of YamanashiYamanashiJapan
| | - Yoichi Tanaka
- Department of Clinical PharmacySchool of PharmacyKitasato UniversityTokyoJapan
| | - Keiko Kagami
- Department of PediatricsSchool of MedicineUniversity of YamanashiYamanashiJapan
| | - Masako Abe
- Department of PediatricsSchool of MedicineUniversity of YamanashiYamanashiJapan
| | - Hiroaki Goto
- Hematology/Oncology and Regenerative MedicineKanagawa Children's Medical CenterYokohamaJapan
| | | | - Shotaro Iwamoto
- Department of PediatricsMie University Graduate School of MedicineTsuJapan
| | - Eiji Sugihara
- Division of Gene RegulationInstitute for Advanced Medical ResearchSchool of MedicineKeio UniversityTokyoJapan
| | - Atsushi Watanabe
- Department of PediatricsSchool of MedicineUniversity of YamanashiYamanashiJapan
| | - Shinpei Somazu
- Department of PediatricsSchool of MedicineUniversity of YamanashiYamanashiJapan
| | - Tamao Shinohara
- Department of PediatricsSchool of MedicineUniversity of YamanashiYamanashiJapan
| | - Hiroko Oshiro
- Department of PediatricsSchool of MedicineUniversity of YamanashiYamanashiJapan
| | - Koshi Akahane
- Department of PediatricsSchool of MedicineUniversity of YamanashiYamanashiJapan
| | - Kumiko Goi
- Department of PediatricsSchool of MedicineUniversity of YamanashiYamanashiJapan
| | - Kanji Sugita
- Department of PediatricsSchool of MedicineUniversity of YamanashiYamanashiJapan
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Wang H, Huang C, Zhao L, Zhang H, Yang JM, Luo P, Zhan BX, Pan Q, Li J, Wang BL. Histone deacetylase inhibitors regulate P-gp expression in colorectal cancer via transcriptional activation and mRNA stabilization. Oncotarget 2018; 7:49848-49858. [PMID: 27409663 PMCID: PMC5226552 DOI: 10.18632/oncotarget.10488] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Accepted: 06/12/2016] [Indexed: 01/08/2023] Open
Abstract
Histone deacetylase inhibitors (HDACIs) are emerging as a novel class of anti-tumor drugs. But the effect of HDACIs in tumors treatment has been disappointing, which mainly due to the acquisition of resistance to HDACIs. However, the underlying mechanisms have not been clearly understood. In this study, it was found that HDACIs SAHA and TSA increased P-gp expression in CRC cells, which has been well known to contribute to drug resistant. The mechanisms underlying these effects were investigated. We showed that HDACIs enhanced transcriptional activity of P-gp protein encoding gene ABCB1. HDACIs treatment also increased the protein and mRNA expression of STAT3, but not PXR, CAR, Foxo3a or β-catenin, which are known to be involved in ABCB transcription regulation. Interestingly, knockdown of STAT3 significantly attenuated HDACIs-induced P-gp up-regulation in colorectal cancer cells, suggesting that STAT3 plays a crucial role in HDACIs-up-regulated P-gp. Furthermore, this study revealed for the first time that HDACIs enhanced the stability of ABCB1 at post-transcriptional level. Taken together, these results proved that HDACIs induced P-gp expression by two distinct ways, transcriptional activation and mRNA stabilization. Our results suggested that more attention should be paid to the cancer treatment using HDACIs since they will induce multidrug resistance in cancer cells.
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Affiliation(s)
- Hao Wang
- Department of Clinical Laboratory, Affiliated Provincial Hospital of Anhui Medical University, Hefei, China
| | - Cheng Huang
- School of Pharmacy, Anhui Medical University, Hefei, China
| | - Liang Zhao
- Department of Clinical Laboratory, Affiliated Provincial Hospital of Anhui Medical University, Hefei, China
| | - Huan Zhang
- Department of Biochemistry and Molecular Biology, Sichuan Cancer Hospital and Institute, Chengdu, China
| | - Jing Mo Yang
- Department of Pharmacy, Anhui Provincial Cancer Hospital, West Branch of Anhui Provincial Hospital, Hefei, China
| | - Peng Luo
- Department of Clinical Laboratory, Affiliated Provincial Hospital of Anhui Medical University, Hefei, China
| | - Bing-Xiang Zhan
- Department of Clinical Laboratory, Affiliated Provincial Hospital of Anhui Medical University, Hefei, China
| | - Qing Pan
- Department of Clinical Laboratory, Affiliated Provincial Hospital of Anhui Medical University, Hefei, China
| | - Jun Li
- School of Pharmacy, Anhui Medical University, Hefei, China
| | - Bao-Long Wang
- Department of Clinical Laboratory, Affiliated Provincial Hospital of Anhui Medical University, Hefei, China
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Mo YD, Yang SX, Zhao JY, Jin PY, Hong XY. Comparative transcriptomes and reciprocal best hit analysis revealed potential pigment genes in two color forms of Tetranychus urticae. EXPERIMENTAL & APPLIED ACAROLOGY 2017; 73:159-176. [PMID: 29116474 DOI: 10.1007/s10493-017-0188-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 11/01/2017] [Indexed: 05/04/2023]
Abstract
Tetranychus urticae Koch is a worldwide agricultural pest. There are two color forms: red and green. The molecular mechanism underlying this color variation is unknown. To elucidate the mechanism, we characterized differentially expressed pigment pathway genes shared in the transcriptomes of these two forms using RNA sequencing and reciprocal best hit analysis. Differentially expressed pigment pathway genes were determined by qRT-PCR to confirm the accuracy of RNA-Seq. The transcriptomes revealed 963 differentially expressed genes (DEGs), of which 687 DEGs were higher in the green form. KEGG enrichment analysis revealed carotenoid biosynthesis genes in T. urticae. Reciprocal best hit analysis revealed 817 putative pigment pathway genes, 38 of which were differentially expressed and mainly classified into four categories: heme, melanin, ommochrome and rhodopsin. Phylogenetic analysis of homologous ommochrome genes showed that tetur09g01950 is closely related to Ok. This study revealed putative pigment pathway genes in the two forms of T. urticae, and might provide a new resource for understanding the mechanism of color variation.
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Affiliation(s)
- Yi-Dan Mo
- Department of Entomology, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Si-Xia Yang
- School of Energy and Environment Science, Yunnan Normal University, Kunming, 650500, Yunnan, China
| | - Jing-Yu Zhao
- Department of Entomology, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Peng-Yu Jin
- Department of Entomology, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Xiao-Yue Hong
- Department of Entomology, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China.
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Jin W, Liao X, Lv Y, Pang Z, Wang Y, Li Q, Liao Y, Ye Q, Chen G, Zhao K, Huang L. MUC1 induces acquired chemoresistance by upregulating ABCB1 in EGFR-dependent manner. Cell Death Dis 2017; 8:e2980. [PMID: 28796259 PMCID: PMC5596566 DOI: 10.1038/cddis.2017.378] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Revised: 06/11/2017] [Accepted: 07/03/2017] [Indexed: 01/15/2023]
Abstract
Chemoresistance contributes to cancer relapse and increased mortality in a variety of cancer types, raising a pressing need to better understand the underlying mechanism. MUC1 is abnormally overexpressed in numerous carcinomas and associated with poor prognosis. However, the functional significance of MUC1 in chemoresistance has not been fully elucidated. Here, we showed that MUC1 expression was considerably induced in cells that had acquired chemoresistance at both transcriptional and post-translational levels. Using gain- and loss-of function approaches, we demonstrated a critical role of MUC1 in induction of drug resistance. Through stimulation of EGFR activation and nuclear translocation, MUC1 increased the expression of ATP-binding cassette transporter B1 (ABCB1). Remarkably, targeted suppression of EGFR or ABCB1 by both shRNAs and inhibitors effectively reversed chemoresistance. Moreover, co-administration of the inhibitors of MUC1-EGFR-ABCB1 with paclitaxel significantly blocked not only tumor growth but also relapse in xenograft mouse model. Our data collectively support a model in which MUC1 induces acquired chemotherapy resistance by upregulating ABCB1 in an EGFR-dependent manner, providing a novel molecular basis of using the EGFR inhibitor in MUC1-positive cancers to prevent chemotherapy resistance.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily B, Member 1/genetics
- ATP Binding Cassette Transporter, Subfamily B, Member 1/metabolism
- Animals
- Antineoplastic Agents/pharmacology
- Blotting, Western
- Cell Line, Tumor
- Cell Proliferation/drug effects
- Cell Proliferation/genetics
- Cell Survival/drug effects
- Cell Survival/genetics
- Chromatin Immunoprecipitation
- ErbB Receptors/genetics
- ErbB Receptors/metabolism
- Erlotinib Hydrochloride/pharmacology
- Female
- Fluorescent Antibody Technique
- Gene Expression Regulation, Neoplastic/genetics
- Gene Expression Regulation, Neoplastic/physiology
- HEK293 Cells
- Humans
- Immunoprecipitation
- In Situ Nick-End Labeling
- Mice
- Mice, Inbred BALB C
- Mice, Nude
- Mucin-1/genetics
- Mucin-1/metabolism
- Real-Time Polymerase Chain Reaction
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Affiliation(s)
- Wei Jin
- Key Laboratory of Cell Differentiation and Apoptosis of The Chinese Ministry of Education, Department of Pathophysiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaodong Liao
- Key Laboratory of Cell Differentiation and Apoptosis of The Chinese Ministry of Education, Department of Pathophysiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yaping Lv
- Key Laboratory of Cell Differentiation and Apoptosis of The Chinese Ministry of Education, Department of Pathophysiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhi Pang
- Key Laboratory of Cell Differentiation and Apoptosis of The Chinese Ministry of Education, Department of Pathophysiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuming Wang
- Department of Cardiothoracic Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Quanfu Li
- Key Laboratory of Cell Differentiation and Apoptosis of The Chinese Ministry of Education, Department of Pathophysiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yahui Liao
- Key Laboratory of Cell Differentiation and Apoptosis of The Chinese Ministry of Education, Department of Pathophysiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qing Ye
- Department of Cardiothoracic Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Guoqiang Chen
- Key Laboratory of Cell Differentiation and Apoptosis of The Chinese Ministry of Education, Department of Pathophysiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Kewen Zhao
- Key Laboratory of Cell Differentiation and Apoptosis of The Chinese Ministry of Education, Department of Pathophysiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lei Huang
- Key Laboratory of Cell Differentiation and Apoptosis of The Chinese Ministry of Education, Department of Pathophysiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Aberuyi N, Rahgozar S, Khosravi Dehaghi Z, Moafi A, Masotti A, Paolini A. The translational expression of ABCA2 and ABCA3 is a strong prognostic biomarker for multidrug resistance in pediatric acute lymphoblastic leukemia. Onco Targets Ther 2017; 10:3373-3380. [PMID: 28744141 PMCID: PMC5513879 DOI: 10.2147/ott.s140488] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Purpose The aim of this work was to study the correlation between the expressions of the ABCA2 and ABCA3 genes at the mRNA and protein levels in children with acute lymphoblastic leukemia (ALL) and the effects of this association on multidrug resistance (MDR). Materials and methods Sixty-nine children with de novo ALL and 25 controls were enrolled in the study. Mononuclear cells were isolated from the bone marrow. The mRNA levels of ABCA2 and ABCA3 were measured by real-time polymerase chain reaction (PCR). Samples with high mRNA levels were assessed for respective protein levels by Western blotting. Following the first year of treatment, persistent monoclonality of T-cell gamma receptors or immunoglobulin H (IgH) gene rearrangement was assessed and considered as the MDR. The tertiary structure of ABCA2 was predicted using Phyre2 and I-TASSER web systems and compared to that of ABCA3, which has been previously reported. Molecular docking was performed using DOCK 6.7. Results Real-time quantitative PCR (qRT-PCR) showed high levels of ABCA2 and ABCA3 mRNAs in 13 and 17 samples, respectively. Among them, five and eight individuals demonstrated high levels of ABCA2 and ABCA3, respectively. Response to chemotherapy was significantly decreased (P=0.001) when the mRNA and protein of both genes were overexpressed compared to individuals with high transcriptional levels of either ABCA2 or ABCA3 alone. Close similarity between ABCA2 and ABCA3 structures was revealed by protein tertiary structure prediction, whereas molecular docking analysis suggested similar binding of chemotherapy drugs and therefore a potentially similar role in determining the MDR. Conclusion Our findings suggested, for the first time, that quantification of the protein level of ABCA2 and ABCA3 transporters had a prognostic impact on pediatric ALL MDR. Furthermore, the tertiary structure of ABCA2 was predicted for the first time, and docking analysis revealed a possible compensatory effect between ABCA2 and ABCA3 transporters, which may contribute to the efflux of cytotoxic drugs and, ultimately, to chemoresistance.
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Affiliation(s)
- Narges Aberuyi
- Department of Biology, Faculty of Science, University of Isfahan
| | - Soheila Rahgozar
- Department of Biology, Faculty of Science, University of Isfahan
| | | | - Alireza Moafi
- Department of Pediatric-Hematology-Oncology, Sayed-ol-Shohada Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Andrea Masotti
- Gene Expression - Microarrays Laboratory, Bambino Gesù Children's Hospital-Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Alessandro Paolini
- Gene Expression - Microarrays Laboratory, Bambino Gesù Children's Hospital-Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
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Abstract
Nanoparticle drug formulations have been extensively investigated, developed, and in some cases, approved by the Food and Drug Administration (FDA). Synergistic combinations of drugs having distinct tumor-inhibiting mechanisms and non-overlapping toxicity can circumvent the issue of treatment resistance and may be essential for effective anti-cancer therapy. At the same time, co-delivery of a combined regimen by a single nanocarrier presents a challenge due to differences in solubility, molecular weight, functional groups and encapsulation conditions between the two drugs. This review discusses cellular and microenvironment mechanisms behind treatment resistance and nanotechnology-based solutions for effective anti-cancer therapy. Co-loading or cascade delivery of multiple drugs using of polymeric nanoparticles, polymer-drug conjugates and lipid nanoparticles will be discussed along with lipid-coated drug nanoparticles developed by our lab and perspectives on combination therapy.
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Affiliation(s)
- Lei Miao
- Division of Pharmacoengineering and Molecular Pharmaceutics, and Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Shutao Guo
- Division of Pharmacoengineering and Molecular Pharmaceutics, and Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, College of Chemistry, State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin 300071, China
| | - C Michael Lin
- Division of Pharmacoengineering and Molecular Pharmaceutics, and Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Qi Liu
- Division of Pharmacoengineering and Molecular Pharmaceutics, and Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Leaf Huang
- Division of Pharmacoengineering and Molecular Pharmaceutics, and Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
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50
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Tian L, Song T, He R, Zeng Y, Xie W, Wu Q, Wang S, Zhou X, Zhang Y. Genome-wide analysis of ATP-binding cassette (ABC) transporters in the sweetpotato whitefly, Bemisia tabaci. BMC Genomics 2017; 18:330. [PMID: 28446145 PMCID: PMC5405539 DOI: 10.1186/s12864-017-3706-6] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2016] [Accepted: 04/12/2017] [Indexed: 12/12/2022] Open
Abstract
Background ABC transporter superfamily is one of the largest and ubiquitous groups of proteins. Because of their role in detoxification, insect ABC transporters have gained more attention in recent years. In this study, we annotated ABC transporters from a newly sequenced sweetpotato whitefly genome. Bemisia tabaci Q biotype is an emerging global invasive species that has caused extensive damages to field crops as well as ornamental plants. Results A total of 55 ABC transporters containing all eight described subfamilies (A to H) were identified in the B. tabaci Q genome, including 8 ABCAs, 3 ABCBs, 6 ABCCs, 2 ABCDs, 1 ABCE, 3 ABCFs, 23 ABCGs and 9 ABCHs. In comparison to other species, subfamilies G and H in both phloem- and blood-sucking arthropods are expanded. The temporal expression profiles of these 55 ABC transporters throughout B. tabaci developmental stages and their responses to imidacloprid, a neonicotinoid insecticide, were investigated using RNA-seq analysis. Furthermore, the mRNA expression of 24 ABC transporters (44% of the total) representing all eight subfamilies was confirmed by the quantitative real-time PCR (RT-qPCR). Furthermore, mRNA expression levels estimated by RT-qPCR and RNA-seq analyses were significantly correlated (r = 0.684, p < 0.01). Conclusions It is the first genome-wide analysis of the entire repertoire of ABC transporters in B. tabaci. The identification of these ABC transporters, their temporal expression profiles during B. tabaci development, and their response to a neonicotinoid insecticide lay the foundation for functional genomic understanding of their contribution to the invasiveness of B. tabaci. Electronic supplementary material The online version of this article (doi:10.1186/s12864-017-3706-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Lixia Tian
- Department of Plant Protection, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Tianxue Song
- College of Life Science, Northeast Agricultural University, Harbin, 150030, China
| | - Rongjun He
- Department of Plant Protection, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Yang Zeng
- Department of Plant Protection, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Wen Xie
- Department of Plant Protection, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Qingjun Wu
- Department of Plant Protection, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Shaoli Wang
- Department of Plant Protection, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Xuguo Zhou
- Department of Entomology, University of Kentucky, Lexington, KY, 40546-0091, USA.
| | - Youjun Zhang
- Department of Plant Protection, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
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