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Ma SC, Zhang JQ, Yan TH, Miao MX, Cao YM, Cao YB, Zhang LC, Li L. Novel strategies to reverse chemoresistance in colorectal cancer. Cancer Med 2023. [PMID: 36645225 DOI: 10.1002/cam4.5594] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 12/02/2022] [Accepted: 12/21/2022] [Indexed: 01/17/2023] Open
Abstract
Colorectal cancer (CRC) is a common gastrointestinal malignancy with high morbidity and fatality. Chemotherapy, as traditional therapy for CRC, has exerted well antitumor effect and greatly improved the survival of CRC patients. Nevertheless, chemoresistance is one of the major problems during chemotherapy for CRC and significantly limits the efficacy of the treatment and influences the prognosis of patients. To overcome chemoresistance in CRC, many strategies are being investigated. Here, we review the common and novel measures to combat the resistance, including drug repurposing (nonsteroidal anti-inflammatory drugs, metformin, dichloroacetate, enalapril, ivermectin, bazedoxifene, melatonin, and S-adenosylmethionine), gene therapy (ribozymes, RNAi, CRISPR/Cas9, epigenetic therapy, antisense oligonucleotides, and noncoding RNAs), protein inhibitor (EFGR inhibitor, S1PR2 inhibitor, and DNA methyltransferase inhibitor), natural herbal compounds (polyphenols, terpenoids, quinones, alkaloids, and sterols), new drug delivery system (nanocarriers, liposomes, exosomes, and hydrogels), and combination therapy. These common or novel strategies for the reversal of chemoresistance promise to improve the treatment of CRC.
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Affiliation(s)
- Shu-Chang Ma
- Institute of Vascular Disease, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of Physiology and Pharmacology, China Pharmaceutic University, Nanjing, China
| | - Jia-Qi Zhang
- Institute of Vascular Disease, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Tian-Hua Yan
- Department of Physiology and Pharmacology, China Pharmaceutic University, Nanjing, China
| | - Ming-Xing Miao
- Department of Physiology and Pharmacology, China Pharmaceutic University, Nanjing, China
| | - Ye-Min Cao
- Institute of Vascular Disease, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yong-Bing Cao
- Institute of Vascular Disease, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Li-Chao Zhang
- Department of Pharmacy, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai, China
| | - Ling Li
- Institute of Vascular Disease, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Engle K, Kumar G. Cancer multidrug-resistance reversal by ABCB1 inhibition: A recent update. Eur J Med Chem 2022; 239:114542. [PMID: 35751979 DOI: 10.1016/j.ejmech.2022.114542] [Citation(s) in RCA: 71] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 06/09/2022] [Accepted: 06/14/2022] [Indexed: 11/04/2022]
Abstract
Chemotherapy is one of the most common treatments for cancer that uses one or more anti-cancer drugs as a part of the standardized chemotherapy regimen. Cytotoxic chemicals delay and prevent cancer cells from multiplying, invading, and metastasizing. However, the significant drawbacks of cancer chemotherapy are the lack of selectivity of the cytotoxic drugs to tumour cells and normal cells and the development of resistance by cells for the particular drug or the combination of drugs. Multidrug resistance (MDR) is the low sensitivity of specific cells against drugs associated with cancer chemotherapy. The most common mechanisms of anticancer drug resistance are: (a) drug-dependent MDR (b) target-dependent MDR, and (c) drug target-independent MDR. In all the factors, the overexpression of multidrug efflux systems contributes significantly to the increased resistance in the cancer cells. Multidrug resistance due to efflux of anticancer drugs by membrane ABC transporters includes ABCB1, ABCC1, and ABCG2. ABCB1 inhibition can restore the sensitivity of the cancerous cells toward chemotherapeutic drugs. In this review, we discussed ABCB1 inhibitors under clinical studies with their mode of action, potency and selectivity. Also, we have highlighted the contribution of repurposing drugs, biologics and nano formulation strategies to combat multidrug resistance by modulating the ABCB1 activity.
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Affiliation(s)
- Kritika Engle
- Department of Natural Products, Chemical Sciences, National Institute of Pharmaceutical Education and Research-Hyderabad, Hyderabad, Balanagar, 500037, India
| | - Gautam Kumar
- Department of Natural Products, Chemical Sciences, National Institute of Pharmaceutical Education and Research-Hyderabad, Hyderabad, Balanagar, 500037, India.
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Nagano H, Ogata S, Ito S, Masuda T, Ohtsuki S. Knockdown of podocalyxin post-transcriptionally induces the expression and activity of ABCB1/MDR1 in human brain microvascular endothelial cells. J Pharm Sci 2022; 111:1812-1819. [PMID: 35182544 DOI: 10.1016/j.xphs.2022.02.006] [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: 01/05/2022] [Revised: 02/11/2022] [Accepted: 02/12/2022] [Indexed: 10/19/2022]
Abstract
Podocalyxin (PODXL) is a highly sialylated transmembrane protein that is expressed on the luminal membrane of brain microvascular endothelial cells. To clarify the role of PODXL in the blood-brain barrier (BBB), the present study aimed to investigate the effect of PODXL-knockdown on protein expression, especially the expression of ABCB1/MDR1, in human microvascular endothelial cells (hCMEC/D3). By quantitative proteomics, gene ontology enrichment with differentially expressed proteins showed that PODXL-knockdown influenced the immune response and intracellular trafficking. Among transporters, the protein expression of ABCB1/MDR1 and ABCG2/BCRP was significantly elevated by approximately 2-fold in the PODXL-knockdown cells. In the knockdown cells, the efflux activity of ABCB1/MDR1 was significantly increased, while its mRNA expression was not significantly different from that of the control cells. As receptors and tight junction proteins, levels of low-density lipoprotein receptor-related protein 1 and occludin were significantly increased, while those of transferrin receptor and claudin-11 were significantly decreased in the knockdown cells. The present results suggest that PODXL functions as a modulator of BBB function, including transport, tight junctions, and immune responses. Furthermore, PODXL post-transcriptionally regulates the protein expression and efflux activity of ABCB1/MDR1 at the BBB, which may affect drug distribution in the brain.
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Key Words
- Blood-brain barrier, brain microvascular endothelial cells, ABCB1, MDR1, podocalyxin, proteomics, regulation, List of Abbreviations, BMECs
- Bood-brain barrier, HFD
- Brain microvascular endothelial cells, BBB
- Control hCMEC/D3 cells, shPODXL
- High-fat diet, LRP1
- Low-density lipoprotein receptor-related protein 1, MS
- Mass spectrometry, PODXL
- PODXL-knockdown hCMEC/D3 cells, SEM
- Podocalyxin, shNT
- Standard error of the mean, TFRC
- Transferrin receptor
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Affiliation(s)
- Hinako Nagano
- Department of Pharmaceutical Microbiology, School of Pharmacy, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan
| | - Seiryo Ogata
- Department of Pharmaceutical Microbiology, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan
| | - Shingo Ito
- Department of Pharmaceutical Microbiology, School of Pharmacy, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan; Department of Pharmaceutical Microbiology, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan; Department of Pharmaceutical Microbiology, Faculty of Life Sciences, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan
| | - Takeshi Masuda
- Department of Pharmaceutical Microbiology, School of Pharmacy, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan; Department of Pharmaceutical Microbiology, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan; Department of Pharmaceutical Microbiology, Faculty of Life Sciences, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan
| | - Sumio Ohtsuki
- Department of Pharmaceutical Microbiology, School of Pharmacy, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan; Department of Pharmaceutical Microbiology, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan; Department of Pharmaceutical Microbiology, Faculty of Life Sciences, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan.
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Tian J, Li J, Bie B, Sun J, Mu Y, Shi M, Zhang S, Kong G, Li Z, Guo Y. MiR-3663-3p participates in the anti-hepatocellular carcinoma proliferation activity of baicalein by targeting SH3GL1 and negatively regulating EGFR/ERK/NF-κB signaling. Toxicol Appl Pharmacol 2021; 420:115522. [PMID: 33838155 DOI: 10.1016/j.taap.2021.115522] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 03/30/2021] [Accepted: 04/04/2021] [Indexed: 02/09/2023]
Abstract
Baicalein is a purified flavonoid that exhibits anticancer effects in hepatocellular carcinoma (HCC). However, its underlying molecular mechanisms remain largely unclear. In this study, we found that baicalein inhibited HCC cell growth, induced apoptosis, and blocked cell cycle arrest at the S phase in vitro, as well as reduced HCC tumor volume and weight in vivo. Quantitative reverse transcriptase-PCR (qRT-PCR) results suggested that miR-3663-3p was downregulated in HCC tissues. After baicalein treatment, miR-3663-3p expression was upregulated in HCC cells. Transfection of miR-3663-3p suppressed HCC cell proliferation and colony formation, increased the proportion of apoptotic cells in vitro, and reduced the volume and weight of tumors in vivo. The results of dual-luciferase reporter assay showed that miR-3663-3p could directly bind to the 3'-UTR of SH3GL1. SH3GL1 overexpression partly reduced the growth-inhibiting effect of miR-3663-3p. Both baicalein treatment and miR-3663-3p overexpression downregulated the expression of SH3GL1 and inactivated the Erk1/2, p-NF-κB/p65, and EGFR signaling pathways. Overall, our data suggest that baicalein may act as a novel HCC suppressor, and that the miR-3663-3p/SH3GL1/EGFR/ERK/NF-κB pathway plays a vital role in HCC progression. Thus, baicalein treatment or miR-3663-3p induction may be a promising strategy for HCC therapy.
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Affiliation(s)
- Jing Tian
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China; Shaanxi Provincial Clinical Research Center for Hepatic & Splenic Diseases, Xi'an, Shaanxi 710004, China
| | - Jun Li
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China; Shaanxi Provincial Clinical Research Center for Hepatic & Splenic Diseases, Xi'an, Shaanxi 710004, China; Center for Tumor and Immunology, the Precision Medical Institute, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China
| | - Beibei Bie
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China
| | - Jin Sun
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China; Shaanxi Provincial Clinical Research Center for Hepatic & Splenic Diseases, Xi'an, Shaanxi 710004, China; Center for Tumor and Immunology, the Precision Medical Institute, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China
| | - Yanhua Mu
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China; Shaanxi Provincial Clinical Research Center for Hepatic & Splenic Diseases, Xi'an, Shaanxi 710004, China; Center for Tumor and Immunology, the Precision Medical Institute, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China
| | - Mengjiao Shi
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China; Shaanxi Provincial Clinical Research Center for Hepatic & Splenic Diseases, Xi'an, Shaanxi 710004, China
| | - Shuqun Zhang
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China; Center for Tumor and Immunology, the Precision Medical Institute, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China
| | - Guangyao Kong
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China; Shaanxi Provincial Clinical Research Center for Hepatic & Splenic Diseases, Xi'an, Shaanxi 710004, China; Center for Tumor and Immunology, the Precision Medical Institute, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China
| | - Zongfang Li
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China; Shaanxi Provincial Clinical Research Center for Hepatic & Splenic Diseases, Xi'an, Shaanxi 710004, China; Center for Tumor and Immunology, the Precision Medical Institute, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China; Department of Geriatric General Surgery, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China; Key Laboratory of Environment and Disease-Related Gene, Ministry of Education, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China.
| | - Ying Guo
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China; Shaanxi Provincial Clinical Research Center for Hepatic & Splenic Diseases, Xi'an, Shaanxi 710004, China; Center for Tumor and Immunology, the Precision Medical Institute, the Second Affiliated Hospital of Xi' an Jiaotong University, Xi'an, Shaanxi 710004, China.
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Kadioglu O, Saeed MEM, Munder M, Spuller A, Greten HJ, Efferth T. Effect of ABC transporter expression and mutational status on survival rates of cancer patients. Biomed Pharmacother 2020; 131:110718. [PMID: 32932043 DOI: 10.1016/j.biopha.2020.110718] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 08/28/2020] [Accepted: 08/30/2020] [Indexed: 02/07/2023] Open
Abstract
ATP-binding cassette (ABC) transporters mediate multidrug resistance in cancer. In contrast to DNA single nucleotide polymorphisms in normal tissues, the role of mutations in tumors is unknown. Furthermore, the significance of their expression for prediction of chemoresistance and survival prognosis is still under debate. We investigated 18 tumors by RNA-sequencing. The mutation rate varied from 27,507 to 300885. In ABCB1, three hotspots with novel mutations were in transmembrane domains 3, 8, and 9. We also mined the cBioPortal database with 11,814 patients from 23 different tumor entities. We performed Kaplan-Meier survival analyses to investigate the effect of ABC transporter expression on survival rates of cancer patients. Novel mutations were also found in ABCA2, ABCA3, ABCB2, ABCB5, ABCC1-6, and ABCG2. Mining the cBioPortal database with 11,814 patients from 23 different tumor entities validated our results. Missense and in-frame mutations led to altered binding of anticancer drugs in molecular docking approaches. The ABCB1 nonsense mutation Q856* led to a truncated P-glycoprotein, which may sensitize tumors to anticancer drugs. The search for ABC transporter nonsense mutations represents a novel approach for precision medicine.. Low ABCB1 mRNA expression correlated with significantly longer survival in ovarian or kidney cancer and thymoma. In cancers of breast, kidney or lung, ABC transporter expression correlated with different tumor stages and human populations as further parameters to refine strategies for more individualized chemotherapy.
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Affiliation(s)
- Onat Kadioglu
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany
| | - Mohamed E M Saeed
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany
| | - Markus Munder
- Department of Medicine (Hematology, Oncology, and Pneumology), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | | | - Henry Johannes Greten
- Abel Salazar Biomedical Sciences Institute, University of Porto, Portugal; Heidelberg School of Chinese Medicine, Heidelberg, Germany
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany.
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6
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Dihydroartemisinin Sensitizes Mutant p53 (R248Q)-Expressing Hepatocellular Carcinoma Cells to Doxorubicin by Inhibiting P-gp Expression. BIOMED RESEARCH INTERNATIONAL 2019; 2019:8207056. [PMID: 31976328 PMCID: PMC6955115 DOI: 10.1155/2019/8207056] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 12/04/2019] [Indexed: 02/07/2023]
Abstract
Mutant p53 (R248Q) induces doxorubicin (ADM) resistance in hepatocellular carcinoma (HCC). Dihydroartemisinin (DHA) can synergistically enhance anticancer effect of many chemotherapeutic agents. However, whether DHA could increase therapeutic efficacy of ADM in p53 (R248Q)-expressing HCC cells remains unknown. In the present study, we established mutant p53 (R248Q)-expressing Hep3B cells to study the effect and mechanism of DHA on ADM resistance and the synergistic effect of DHA with ADM. We found that P-gp was highly expressed in p53 (R248Q)-expressing Hep3B cells. As a result, cells expressing p53 (R248Q) displayed higher cell viability and lower cell apoptosis level upon ADM treatment. Meanwhile, phosphorylation levels of ERK1/2 and p65 were elevated in p53 (R248Q)-expressing Hep3B cells. However, combination of DHA and ADM treatment decreased cell viability and elevated cell apoptosis level in p53 (R248Q)-expressing Hep3B cells. Molecular dynamics simulations showed that DHA had the potential to bind with mutant p53 (R248Q) protein. Furthermore, DHA treatment decreased P-gp expression and inhibited phosphorylation levels of ERK1/2 and p65 in p53 (R248Q)-expressing Hep3B cells. Finally, DHA treatment could significantly reduce ADM efflux in p53 (R248Q)-expressing cells. Our results indicate that DHA could decrease P-gp expression via inhibiting the p53 (R248Q)-ERK1/2-NF-κB signaling pathway, which eventually confers sensitization of p53 (R248Q)-expressing HCC cells to ADM. Our study provides evidence for the potential application of DHA and ADM combination in treatment of mutant p53 (R248Q)-harbored HCC.
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Chen X, Mangala LS, Rodriguez-Aguayo C, Kong X, Lopez-Berestein G, Sood AK. RNA interference-based therapy and its delivery systems. Cancer Metastasis Rev 2019; 37:107-124. [PMID: 29243000 DOI: 10.1007/s10555-017-9717-6] [Citation(s) in RCA: 174] [Impact Index Per Article: 34.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
RNA interference (RNAi) is considered a highly specific approach for gene silencing and holds tremendous potential for treatment of various pathologic conditions such as cardiovascular diseases, viral infections, and cancer. Although gene silencing approaches such as RNAi are widely used in preclinical models, the clinical application of RNAi is challenging primarily because of the difficulty in achieving successful systemic delivery. Effective delivery systems are essential to enable the full therapeutic potential of RNAi. An ideal nanocarrier not only addresses the challenges of delivering naked siRNA/miRNA, including its chemically unstable features, extracellular and intracellular barriers, and innate immune stimulation, but also offers "smart" targeted delivery. Over the past decade, great efforts have been undertaken to develop RNAi delivery systems that overcome these obstacles. This review presents an update on current progress in the therapeutic application of RNAi with a focus on cancer therapy and strategies for optimizing delivery systems, such as lipid-based nanoparticles.
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Affiliation(s)
- Xiuhui Chen
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Lingegowda S Mangala
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Cristian Rodriguez-Aguayo
- Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Xianchao Kong
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Gabriel Lopez-Berestein
- Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Anil K Sood
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
- Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
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Huang XP, Li X, Situ MY, Huang LY, Wang JY, He TC, Yan QH, Xie XY, Zhang YJ, Gao YH, Li YH, Rong TH, Wang MR, Cai QQ, Fu JH. Entinostat reverses cisplatin resistance in esophageal squamous cell carcinoma via down-regulation of multidrug resistance gene 1. Cancer Lett 2018; 414:294-300. [DOI: 10.1016/j.canlet.2017.10.023] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 10/17/2017] [Accepted: 10/18/2017] [Indexed: 10/18/2022]
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9
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The dual-inhibitory effect of miR-338-5p on the multidrug resistance and cell growth of hepatocellular carcinoma. Signal Transduct Target Ther 2018. [PMID: 29527329 PMCID: PMC5837112 DOI: 10.1038/s41392-017-0003-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Chemotherapeutic treatments against hepatocellular carcinoma (HCC) are necessary for both inoperable patients to improve prospects for survival and surgery patients to improve the outcome after surgical resection. However, multidrug resistance (MDR) is a major obstacle to obtaining desirable results. Currently, increasing the chemotherapy sensitivity of tumor cells or discovering novel tumor inhibitors is an effective therapeutic strategy to solve this issue. In the present study, we uncovered the dual-inhibitory effect of miR-338-5p: on the one hand, it could downregulate ABCB1 expression and sensitize HCC cells to doxorubicin and vinblastine by directly targeting the 3′-untranslated region (3′-UTR) of ABCB1, while, on the other hand, it could suppress the proliferation of HCC cells by directly targeting the 3′-UTR of EGFR and reducing EGFR expression. Since EGFR regulates ABCB1 levels, the indirect action of miR-338-5p in ABCB1 modulation was revealed, in which miR-338-5p inhibits ABCB1 expression by targeting the EGFR/ERK1/2 signaling pathway. These data indicate that the miR-338-5p/EGFR/ABCB1 regulatory loop plays a critical role in HCC, and a negative correlation between miR-338-5p and EGFR or ABCB1 was also detected in HCC clinical samples. In conclusion, these findings reveal a critical role for miR-338-5p in the regulation of MDR and proliferation of HCC, suggesting the potential therapeutic implications of miR-338-5p in HCC treatment. A small RNA molecule inhibits the growth of liver cancer cells while also making the cells sensitive to the anti-cancer drugs. These twin effects of the natural microRNA miR-338-5p were discovered by researchers in China, led by Chunzhu Li and Jin Ren at the Center for Drug Safety Evaluation and Research in Shanghai. MicroRNAs control gene activity by interacting with the messenger RNA copies of genes that guide synthesis of the proteins the genes encode. The research identified a gene whose expression miR-338-5p inhibits to restrict the growth of hepatocellular carcinoma – the most common form of liver cancer. This is also one of the most drug-resistant forms of liver cancer. A different gene whose activity miR-338-5p controls to sensitize cells to chemotherapeutic drugs was also identified. Using miR-338-5p to treat liver cancer warrants further investigation.
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Li EQ, Zhang JL. Essential role of SH3GL1 in interleukin-6(IL-6)- and vascular endothelial growth factor (VEGF)-triggered p130cas-mediated proliferation and migration of osteosarcoma cells. Hum Cell 2017; 30:300-310. [DOI: 10.1007/s13577-017-0178-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2017] [Accepted: 06/14/2017] [Indexed: 11/28/2022]
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11
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Chen LM, Song TJ, Xiao JH, Huang ZH, Li Y, Lin TY. Tripchlorolide induces autophagy in lung cancer cells by inhibiting the PI3K/AKT/mTOR pathway and improves cisplatin sensitivity in A549/DDP cells. Oncotarget 2017; 8:63911-63922. [PMID: 28969040 PMCID: PMC5609972 DOI: 10.18632/oncotarget.19201] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Accepted: 06/20/2017] [Indexed: 12/13/2022] Open
Abstract
Tripchlorolide (T4) has been shown to induce A549 lung cancer cell death predominantly by activating an autophagy pathway. However, the underlying mechanism remains unclear. Herein, we demonstrated that compared with T4 treatment alone, pretreatment with wortmannin (an inhibitor of phosphatidylinositol 3-kinase), perifosine (an inhibitor of AKT) or rapamycin (an inhibitor of mTOR) combined with a subsequent T4 treatment significantly impaired the cell viability of A549 and A549/DDP lung cancer cells. We found that either treatment scheme markedly reduced the activity of P13K and AKT. Expression of LC3II increased in parallel to the increase of the T4 concentration in both A549 and A549/DDP cells and was repressed by overexpression of AKT. The expression levels of PI3-K, PI3-P, AKT, TSC2, mTOR, p70S6K and 4E-BP1 were minimally affected by the wortmannin, perifosine, or rapamycin plus T4 treatments, but their phosphorylated products were greatly affected in A549 lung cancer cells and slightly affected in A549/DDP lung cancer cells. These results indicate that T4 induces autophagy in lung cancer cells by inhibiting the PI3K/AKT/mTOR signaling pathway. We further found that T4 decreased expression of MDR1 and improved cisplatin sensitivity of A549/DDP cells. Altogether, these results have meaningful implications for tumor therapy in the future.
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Affiliation(s)
- Li-Min Chen
- Department of Respiratory Medicine, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, People's Republic of China.,Department of Geriatrics, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, People's Republic of China.,Fujian Institute of Geriatrics, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, People's Republic of China
| | - Tian-Jiao Song
- Department of Respiratory Medicine, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, People's Republic of China.,Department of Geriatrics, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, People's Republic of China.,Fujian Institute of Geriatrics, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, People's Republic of China
| | - Jian-Hong Xiao
- Department of Respiratory Medicine, Mindong Hospital of Ningde City, Fu'an, Fujian 355000, People's Republic of China
| | - Zheng-Hui Huang
- Department of Respiratory Medicine, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, People's Republic of China
| | - Yong Li
- Department of Respiratory Medicine, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, People's Republic of China
| | - Ting-Yan Lin
- Department of Respiratory Medicine, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, People's Republic of China
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