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Sakanyan V, Iradyan N, Alves de Sousa R. Targeted Strategies for Degradation of Key Transmembrane Proteins in Cancer. BIOTECH 2023; 12:57. [PMID: 37754201 PMCID: PMC10526213 DOI: 10.3390/biotech12030057] [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: 07/05/2023] [Revised: 07/26/2023] [Accepted: 07/30/2023] [Indexed: 09/28/2023] Open
Abstract
Targeted protein degradation is an attractive technology for cancer treatment due to its ability to overcome the unpredictability of the small molecule inhibitors that cause resistance mutations. In recent years, various targeted protein degradation strategies have been developed based on the ubiquitin-proteasome system in the cytoplasm or the autophagy-lysosomal system during endocytosis. In this review, we describe and compare technologies for the targeted inhibition and targeted degradation of the epidermal growth factor receptor (EGFR), one of the major proteins responsible for the onset and progression of many types of cancer. In addition, we develop an alternative strategy, called alloAUTO, based on the binding of new heterocyclic compounds to an allosteric site located in close proximity to the EGFR catalytic site. These compounds cause the targeted degradation of the transmembrane receptor, simultaneously activating both systems of protein degradation in cells. Damage to the EGFR signaling pathways promotes the inactivation of Bim sensor protein phosphorylation, which leads to the disintegration of the cytoskeleton, followed by the detachment of cancer cells from the extracellular matrix, and, ultimately, to cancer cell death. This hallmark of targeted cancer cell death suggests an advantage over other targeted protein degradation strategies, namely, the fewer cancer cells that survive mean fewer chemotherapy-resistant mutants appear.
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Affiliation(s)
- Vehary Sakanyan
- Faculté de Pharmacie, Université de Nantes, 44035 Nantes, France
- ProtNeteomix, 29 rue de Provence, 44700 Orvault, France
| | - Nina Iradyan
- Institute of Fine Organic Chemistry after A. Mnjoyan, National Academy of Sciences of the Republic of Armenia, Yerevan 0014, Armenia;
| | - Rodolphe Alves de Sousa
- Faculté des Sciences Fondamentales et Biomédicales, Université Paris Descartes, UMR 8601, CBMIT, 75006 Paris, France;
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Serine-arginine protein kinase 1 (SRPK1) promotes EGFR-TKI resistance by enhancing GSK3β Ser9 autophosphorylation independent of its kinase activity in non-small-cell lung cancer. Oncogene 2023; 42:1233-1246. [PMID: 36869126 PMCID: PMC10079535 DOI: 10.1038/s41388-023-02645-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 02/17/2023] [Accepted: 02/21/2023] [Indexed: 03/05/2023]
Abstract
Resistance to epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) is a major challenge for clinicians and patients with non-small cell lung cancer (NSCLC). Serine-arginine protein kinase 1 (SRPK1) is a key oncoprotein in the EGFR/AKT pathway that participates in tumorigenesis. We found that high SRPK1 expression was significantly associated with poor progression-free survival (PFS) in patients with advanced NSCLC undergoing gefitinib treatment. Both in vitro and in vivo assays suggested that SRPK1 reduced the ability of gefitinib to induce apoptosis in sensitive NSCLC cells independently of its kinase activity. Moreover, SRPK1 facilitated binding between LEF1, β-catenin and the EGFR promoter region to increase EGFR expression and promote the accumulation and phosphorylation of membrane EGFR. Furthermore, we verified that the SRPK1 spacer domain bound to GSK3β and enhanced its autophosphorylation at Ser9 to activate the Wnt pathway, thereby promoting the expression of Wnt target genes such as Bcl-X. The correlation between SRPK1 and EGFR expression was confirmed in patients. In brief, our research suggested that the SRPK1/GSK3β axis promotes gefitinib resistance by activating the Wnt pathway and may serve as a potential therapeutic target for overcoming gefitinib resistance in NSCLC.
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Lin K, Huang L, Zhang Y, Chen M, Li Z, Yung KKL, Lv S, Pan Q, Zhang W, Fu J, Li W, Deng Q. The Antiangiogenic and Antitumor Effects of Scoparasin B in Non-Small-Cell Lung Cancer. JOURNAL OF NATURAL PRODUCTS 2023; 86:368-379. [PMID: 36692021 DOI: 10.1021/acs.jnatprod.2c00979] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Angiogenesis and vasculogenic mimicry (VM) are crucial for the growth and metastasis of non-small-cell lung cancer (NSCLC). Most tumor angiogenesis inhibitors mainly target endothelial cell-mediated angiogenesis, ignoring tumor-cell-mediated VM and frequently leading to tumor recurrence and metastasis. Thus, development of bioactive molecules interfering with both tumor angiogenesis and VM is necessary. Identifying novel angiogenesis inhibitors from natural products is a promising strategy. Scoparasin B, a pimarane diterpene extracted from a marine-derived fungus, Eutypella sp. F0219, has an antibacterial effect. However, its effect on angiogenesis and VM remains unexplored. In this study, we first certified that scoparasin B showed a strong inhibition effect on angiogenesis and the VM process in vitro and ex vivo. Moreover, scoparasin B prominently impeded tumor growth, angiogenesis, and VM in an NCI-H1299 xenograft model. Further study revealed that scoparasin B restrained tumor angiogenesis and VM by reducing the VEGF-A level and suppressing the VEGF-A/VEGFR2 signaling pathway. This study first demonstrated scoparasin B inhibited tumor angiogenesis, VM, and tumor growth of NSCLC and revealed its underlying mechanism. These new findings further support the potential of scoparasin B as a novel angiogenesis inhibitor and give a hint for further exploring potential angiogenesis inhibitors from natural products.
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Affiliation(s)
- Kaili Lin
- School of Public Health, Guangzhou Medical University, Guangzhou, 511436, China
- Golden Meditech Center for Neuro Regeneration Sciences, HKBU, Kowloon Tong, Hong Kong 999077, China
| | - Lijuan Huang
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital and The Sixth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Yu Zhang
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital and The Sixth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Minshan Chen
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital and The Sixth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Zhan Li
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital and The Sixth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Ken Kin Lam Yung
- Department of Biology & Golden Meditech Center for NeuroRegeneration Sciences (GMCNS), Hong Kong Baptist University (HKBU), Kowloon Tong, Hong Kong, China
| | - Sha Lv
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital and The Sixth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Qianrong Pan
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital and The Sixth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Weisong Zhang
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital and The Sixth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Jijun Fu
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital and The Sixth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Wanshan Li
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, China
| | - Qiudi Deng
- GMU-GIBH Joint School of Life Sciences, Guangzhou Medical University, Guangzhou, 511436, China
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Marin-Acevedo JA, Pellini B, Kimbrough EO, Hicks JK, Chiappori A. Treatment Strategies for Non-Small Cell Lung Cancer with Common EGFR Mutations: A Review of the History of EGFR TKIs Approval and Emerging Data. Cancers (Basel) 2023; 15:629. [PMID: 36765587 PMCID: PMC9913773 DOI: 10.3390/cancers15030629] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/11/2023] [Accepted: 01/13/2023] [Indexed: 01/21/2023] Open
Abstract
The development of targeted therapies over the past two decades has led to a dramatic change in the management of EGFR-mutant non-small cell lung cancer (NSCLC). While there are currently five approved EGFR tyrosine kinase inhibitors (TKIs) for treating EGFR-mutant NSCLC in the first-line setting, therapy selection after progression on EGFR TKIs remains complex. Multiple groups are investigating novel therapies and drug combinations to determine the optimal therapy and treatment sequence for these patients. In this review, we summarize the landmark trials and history of the approval of EGFR TKIs, their efficacy and tolerability, and the role of these therapies in patients with central nervous system metastasis. We also briefly discuss the mechanisms of resistance to EGFR TKIs, ongoing attempts to overcome resistance and improve outcomes, and finalize by offering treatment sequencing recommendations.
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Affiliation(s)
- Julian A. Marin-Acevedo
- Division of Medical Oncology, Indiana University Melvin and Bren Simon Comprehensive Cancer Center, Indianapolis, IN 46202, USA
| | - Bruna Pellini
- Department of Thoracic Oncology, Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
- Department of Oncologic Sciences, Morsani College of Medicine, University of South Florida, Tampa, FL 33620, USA
| | | | - J. Kevin Hicks
- Department of Individualized Cancer Management, Moffitt Cancer Center, Tampa, FL 33612, USA
| | - Alberto Chiappori
- Department of Thoracic Oncology, Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
- Department of Oncologic Sciences, Morsani College of Medicine, University of South Florida, Tampa, FL 33620, USA
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Lee JH, Lee SB, Kim H, Shin JM, Yoon M, An HS, Han JW. Anticancer Activity of Mannose-Specific Lectin, BPL2, from Marine Green Alga Bryopsis plumosa. Mar Drugs 2022; 20:md20120776. [PMID: 36547923 PMCID: PMC9788543 DOI: 10.3390/md20120776] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 12/05/2022] [Accepted: 12/07/2022] [Indexed: 12/15/2022] Open
Abstract
Lectin is a carbohydrate-binding protein that recognizes specific cells by binding to cell-surface polysaccharides. Tumor cells generally show various glycosylation patterns, making them distinguishable from non-cancerous cells. Consequently, lectin has been suggested as a good anticancer agent. Herein, the anticancer activity of Bryopsis plumosa lectins (BPL1, BPL2, and BPL3) was screened and tested against lung cancer cell lines (A549, H460, and H1299). BPL2 showed high anticancer activity compared to BPL1 and BPL3. Cell viability was dependent on BPL2 concentration and incubation time. The IC50 value for lung cancer cells was 50 μg/mL after 24 h of incubation in BPL2 containing medium; however, BPL2 (50 μg/mL) showed weak toxicity in non-cancerous cells (MRC5). BPL2 affected cancer cell growth while non-cancerous cells were less affected. Further, BPL2 (20 μg/mL) inhibited cancer cell invasion and migration (rates were ˂20%). BPL2 induced the downregulation of epithelial-to-mesenchymal transition-related genes (Zeb1, vimentin, and Twist). Co-treatment with BPL2 and gefitinib (10 μg/mL and 10 μM, respectively) showed a synergistic effect compared with monotherapy. BPL2 or gefitinib monotherapy resulted in approximately 90% and 70% cell viability, respectively, with concomitant treatment showing 40% cell viability. Overall, BPL2 can be considered a good candidate for development into an anticancer agent.
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Chen Z, Yi L, Peng Z, Zhou J, Zhang Z, Tao Y, Lin Z, He A, Jin M, Zuo M. Development and validation of a radiomic nomogram based on pretherapy dual-energy CT for distinguishing adenocarcinoma from squamous cell carcinoma of the lung. Front Oncol 2022; 12:949111. [PMID: 36505773 PMCID: PMC9727167 DOI: 10.3389/fonc.2022.949111] [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: 05/20/2022] [Accepted: 10/26/2022] [Indexed: 11/24/2022] Open
Abstract
Objective Based on pretherapy dual-energy computed tomography (DECT) images, we developed and validated a nomogram combined with clinical parameters and radiomic features to predict the pathologic subtypes of non-small cell lung cancer (NSCLC) - adenocarcinoma (ADC) and squamous cell carcinoma (SCC). Methods A total of 129 pathologically confirmed NSCLC patients treated at the Second Affiliated Hospital of Nanchang University from October 2017 to October 2021 were retrospectively analyzed. Patients were randomly divided in a ratio of 7:3 (n=90) into training and validation cohorts (n=39). Patients' pretherapy clinical parameters were recorded. Radiomics features of the primary lesion were extracted from two sets of monoenergetic images (40 keV and 100 keV) in arterial phases (AP) and venous phases (VP). Features were selected successively through the intra-class correlation coefficient (ICC) and the least absolute shrinkage and selection operator (LASSO). Multivariate logistic regression analysis was then performed to establish predictive models. The prediction performance between models was evaluated and compared using the receiver operating characteristic (ROC) curve, DeLong test, and Akaike information criterion (AIC). A nomogram was developed based on the model with the best predictive performance to evaluate its calibration and clinical utility. Results A total of 87 ADC and 42 SCC patients were enrolled in this study. Among the five constructed models, the integrative model (AUC: Model 4 = 0.92, Model 5 = 0.93) combining clinical parameters and radiomic features had a higher AUC than the individual clinical models or radiomic models (AUC: Model 1 = 0.84, Model 2 = 0.79, Model 3 = 0.84). The combined clinical-venous phase radiomics model had the best predictive performance, goodness of fit, and parsimony; the area under the ROC curve (AUC) of the training and validation cohorts was 0.93 and 0.90, respectively, and the AIC value was 60.16. Then, this model was visualized as a nomogram. The calibration curves demonstrated it's good calibration, and decision curve analysis (DCA) proved its clinical utility. Conclusion The combined clinical-radiomics model based on pretherapy DECT showed good performance in distinguishing ADC and SCC of the lung. The nomogram constructed based on the best-performing combined clinical-venous phase radiomics model provides a relatively accurate, convenient and noninvasive method for predicting the pathological subtypes of ADC and SCC in NSCLC.
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Affiliation(s)
- Zhiyong Chen
- Department of Radiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Li Yi
- Department of Radiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Zhiwei Peng
- Department of Radiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jianzhong Zhou
- Department of Radiology, The Quzhou City People’s Hospital, Quzhou, Zhejiang, China
| | - Zhaotao Zhang
- Department of Radiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Yahong Tao
- Department of Radiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Ze Lin
- Department of Radiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Anjing He
- Department of Radiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Mengni Jin
- Department of Radiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Minjing Zuo
- Department of Radiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China,*Correspondence: Minjing Zuo,
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Zhao H, Jin X. Causal associations between dietary antioxidant vitamin intake and lung cancer: A Mendelian randomization study. Front Nutr 2022; 9:965911. [PMID: 36118777 PMCID: PMC9479338 DOI: 10.3389/fnut.2022.965911] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 08/08/2022] [Indexed: 11/13/2022] Open
Abstract
Background Oxidative stress is currently considered to be closely related to the occurrence of respiratory tumors, especially lung cancer. Many observational studies have shown that increased antioxidant intake can reduce the risk of lung cancer, but the results are still controversial. Therefore, we performed a two-sample Mendelian randomized (MR) analysis to clarify the causal relationship between antioxidant vitamins and lung cancer. Methods To assess the causal effect of dietary antioxidant vitamin intake on lung cancer, we conducted a two-sample MR analysis and we extracted single-nucleotide polymorphisms (SNPs) that are associated with antioxidants from genome-wide association studies (GWASs) of the UK biobank. We gathered summary data for lung cancer from the International Lung Cancer Consortium (ILCCO), including 11,348 cases and 15,861 controls, and applied the inverse-variance weighted (IVW) method as the primary MR analysis, and performed a sensitivity analysis to verify the results. Results The results showed that higher dietary retinol intake was causally associated with lung cancer overall [odds ratio (OR) = 1.844, 95% CI, 1.359-2.502, p = 0.00009], squamous cell lung cancer (OR = 2.162, 95% CI, 1.117-4.183, p = 0.022), and lung adenocarcinoma (OR = 1.706, 95% CI, 1.084-2.685, p = 0.021). Additionally, carotene was positively correlated with lung adenocarcinoma (OR = 1.510, 95% CI, 1.002-2.276, p = 0.049). However, there was a non-significant relationship between the intake of other dietary antioxidants (vitamin C and vitamin E) and lung cancer. Conclusion Our research showed that dietary retinol intake has an adverse impact on lung cancer, and carotene might increase the risk of adenocarcinoma. This highlights the importance of revealing the underlying mechanisms of dietary antioxidant vitamins in lung cancer and delivers an important health message that dietary antioxidant vitamin intake may not be necessary for the prevention of lung cancer. It also provides a basis for future research.
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Affiliation(s)
- Hang Zhao
- Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China.,Department of Urology, China-Japan Friendship Hospital, Beijing, China
| | - Xiaolin Jin
- Department of International Physical Examination Center, The First Affiliated Hospital of China Medical University, Shengyang, China
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Kiriwan D, Seetaha S, Jiwacharoenchai N, Tabtimmai L, Sousa SF, Songtawee N, Choowongkomon K. Identification of tripeptides against tyrosine kinase domain of EGFR for lung cancer cell inhibition by in silico and in vitro studies. Chem Biol Drug Des 2021; 99:456-469. [PMID: 34923743 DOI: 10.1111/cbdd.14010] [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: 09/15/2021] [Revised: 11/10/2021] [Accepted: 12/11/2021] [Indexed: 12/30/2022]
Abstract
Epidermal growth factor receptor tyrosine kinase domain (EGFR-TK) has been one of the prominent targets for therapeutics of several human cancers, in particular non-small cell lung cancer. Although several small chemical compounds targeting EGFR-TK have been approved by FDA for treatment of such a cancer, the discovery of a new class of EGFR-TK inhibitors, for example, small peptides, is still desired. In this study, using molecular docking-based virtual screening, we selected five small peptides with high docking scores from eight thousand peptides as candidate compounds against EGFR-TK. Among five, the tripeptide WFF had the most potency to suppress the survival of non-small cell lung cancer cells but had the least toxicity to human liver cancer cells. Our in vitro kinase assays showed that WFF exhibited much lower inhibitory activity against purified EGFR-TK than the drug erlotinib (i.e., IC50 values of ≈ 0.62 μM vs ≈ 7.57 nM, respectively). The relative free binding energies estimated from molecular dynamic simulations were consistent with the in vitro experiments in which the WFF bound had a lower affinity than erlotinib bound to EGFR-TK (i.e., ΔGbind values of -20.3 kJ/mol vs ≈ -126.8 kJ/mol, respectively). In addition, the simulation analyses demonstrated the difference in EGFR binding preference between the drug and tripeptide in which erlotinib was stably bound in the ATP-binding pocket for 4-anilinoquinazoline class of inhibitors, while WFF moved out of that pocket to interact with polar amino acid residues on the αC-helix, activation loop, and substrate-binding region. Our findings suggest preferable interactions of the potential tripeptide on enzyme inhibition that are useful for further development of a new class of inhibitors targeting EGFR-TK.
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Affiliation(s)
- Duangnapa Kiriwan
- Genetic Engineering and Bioinformatics Program, Kasetsart University, Bangkok, Thailand
| | - Supaphorn Seetaha
- Department of Biochemistry, Faculty of Science, Kasetsart University, Bangkok, Thailand
| | | | - Lueacha Tabtimmai
- Department of Biotechnology, Faculty of Applied Science, King Mongkut's University of Technology North Bangkok, Bangkok, Thailand
| | - Sérgio F Sousa
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculdade de Medicina, Universidade do Porto, Porto, Portugal.,UCIBIO-Applied Molecular Biosciences Unit, BioSIM-Departamento de Biomedicina, Faculdade de Medicina, Universidade do Porto, Porto, Portugal
| | - Napat Songtawee
- Department of Clinical Chemistry, Faculty of Medical Technology, Mahidol University, Nakhon Pathom, Thailand
| | - Kiattawee Choowongkomon
- Department of Biochemistry, Faculty of Science, Kasetsart University, Bangkok, Thailand.,Center for Advanced Studies in Nanotechnology for Chemical, Food and Agricultural Industries, KU Institute for Advanced Studies, Kasetsart University, Bangkok, Thailand
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Liu Z, Yang S, Zhou S, Dong S, Du J. Prognostic Value of lncRNA DRAIC and miR-3940-3p in Lung Adenocarcinoma and Their Effect on Lung Adenocarcinoma Cell Progression. Cancer Manag Res 2021; 13:8367-8376. [PMID: 34764698 PMCID: PMC8577463 DOI: 10.2147/cmar.s320616] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 08/30/2021] [Indexed: 12/17/2022] Open
Abstract
Purpose Lung adenocarcinoma (LUAD) is a most common malignant tumor, even worse for diseases with relatively poor prognosis. Non-coding RNAs have the potential to be biomarkers for the prognosis of various cancers. LncRNA DRAIC and miR-3940-3p have been screened as dysregulated RNAs in LUAD. The clinical significance and biological function of lncRNA DRAIC and miR-3940-3p in LUAD were assessed in this study. Patients and Methods A total of 122 cases of LUAD patients with complete clinical information were enrolled. The expression levels of lncRNA DRAIC and miR-3940-3p were determined via RT-qPCR in LUAD tissues and cells. The relationship between lncRNA DRAIC or miR-3940-3p expression and the clinicopathological features of patients was analyzed based on the Pearson Chi-square test. For the prognostic value, the Kaplan–Meier plot and multi-variate Cox proportional regression analysis were introduced. Finally, the effect of lnc DRAIC and miR-3940-3p on the LUAD cellular function was investigated by CCK-8 and Transwell assay. Results lnc DRAIC was upregulated in LUAD tissues and cells, but miR-3940-3p was downregulated. Both of them showed significant associations with and TNM stage, lymph node metastasis, and a poor prognosis. Lnc-DRAIC and miR-3940-3p have the potential as independent prognostic factors for LUAD. Furthermore, the inhibition of lnc DRAIC can inhibit cell proliferation, migration, and invasion of LUAD partly as a ceRNA of miR-3940-3p. Conclusion lncRNA DRAIC/miR-3940-3p axis may be involved in the progression of LUAD and can be developed to promising prognostic factors, which may provide new insights into the treatment of LUAD.
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Affiliation(s)
- Zhenghua Liu
- Department of Thoracic Surgery, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning Province, People's Republic of China
| | - Shize Yang
- Department of Thoracic Surgery, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning Province, People's Republic of China
| | - Siyu Zhou
- Department of Thoracic Surgery, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning Province, People's Republic of China
| | - Shiyao Dong
- Department of Thoracic Surgery, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning Province, People's Republic of China
| | - Jiang Du
- Department of Thoracic Surgery, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning Province, People's Republic of China
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Nasopharyngeal Carcinoma: The Role of the EGFR in Epstein-Barr Virus Infection. Pathogens 2021; 10:pathogens10091113. [PMID: 34578147 PMCID: PMC8470510 DOI: 10.3390/pathogens10091113] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/24/2021] [Accepted: 08/26/2021] [Indexed: 01/24/2023] Open
Abstract
Epstein-Barr virus (EBV), a type 4 γ herpes virus, is recognized as a causative agent in nasopharyngeal carcinoma (NPC). Incidence of EBV-positive NPC have grown in recent decades along with worse outcomes compared with their EBV-negative counterparts. Latent membrane protein 1 (LMP1), encoded by EBV, induces NPC progression. The epidermal growth factor receptor (EGFR), a member of the ErbB family of receptor tyrosine kinases (RTK), is a driver of tumorigenesis, including for NPC. Little data exist on the relationship between EGFR and EBV-induced NPC. In our initial review, we found that LMP1 promoted the expression of EGFR in NPC in two main ways: the NF-κB pathway and STAT3 activation. On the other hand, EGFR also enhances EBV infection in NPC cells. Moreover, activation of EGFR signalling affects NPC cell proliferation, cell cycle progression, angiogenesis, invasion, and metastasis. Since EGFR promotes tumorigenesis and progression by downstream signalling pathways, causing poor outcomes in NPC patients, EGFR-targeted drugs could be considered a newly developed anti-tumor drug. Here, we summarize the major studies on EBV, EGFR, and LMP1-regulatory EGFR expression and nucleus location in NPC and discuss the clinical efficacy of EGFR-targeted agents in locally advanced NPC (LA NPC) and recurrent or metastatic NPC (R/M NPC) patients.
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Pang XJ, Liu XJ, Liu Y, Liu WB, Li YR, Yu GX, Tian XY, Zhang YB, Song J, Jin CY, Zhang SY. Drug Discovery Targeting Focal Adhesion Kinase (FAK) as a Promising Cancer Therapy. Molecules 2021; 26:molecules26144250. [PMID: 34299525 PMCID: PMC8308130 DOI: 10.3390/molecules26144250] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 06/30/2021] [Accepted: 07/07/2021] [Indexed: 02/07/2023] Open
Abstract
FAK is a nonreceptor intracellular tyrosine kinase which plays an important biological function. Many studies have found that FAK is overexpressed in many human cancer cell lines, which promotes tumor cell growth by controlling cell adhesion, migration, proliferation, and survival. Therefore, targeting FAK is considered to be a promising cancer therapy with small molecules. Many FAK inhibitors have been reported as anticancer agents with various mechanisms. Currently, six FAK inhibitors, including GSK-2256098 (Phase I), VS-6063 (Phase II), CEP-37440 (Phase I), VS-6062 (Phase I), VS-4718 (Phase I), and BI-853520 (Phase I) are undergoing clinical trials in different phases. Up to now, there have been many novel FAK inhibitors with anticancer activity reported by different research groups. In addition, FAK degraders have been successfully developed through “proteolysis targeting chimera” (PROTAC) technology, opening up a new way for FAK-targeted therapy. In this paper, the structure and biological function of FAK are reviewed, and we summarize the design, chemical types, and activity of FAK inhibitors according to the development of FAK drugs, which provided the reference for the discovery of new anticancer agents.
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Affiliation(s)
- Xiao-Jing Pang
- Key Laboratory of Advanced Drug Preparation Technologies (Ministry of Education), Institute of Drug Discovery & Development, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China; (X.-J.P.); (X.-J.L.); (Y.L.); (W.-B.L.); (Y.-B.Z.)
| | - Xiu-Juan Liu
- Key Laboratory of Advanced Drug Preparation Technologies (Ministry of Education), Institute of Drug Discovery & Development, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China; (X.-J.P.); (X.-J.L.); (Y.L.); (W.-B.L.); (Y.-B.Z.)
| | - Yuan Liu
- Key Laboratory of Advanced Drug Preparation Technologies (Ministry of Education), Institute of Drug Discovery & Development, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China; (X.-J.P.); (X.-J.L.); (Y.L.); (W.-B.L.); (Y.-B.Z.)
| | - Wen-Bo Liu
- Key Laboratory of Advanced Drug Preparation Technologies (Ministry of Education), Institute of Drug Discovery & Development, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China; (X.-J.P.); (X.-J.L.); (Y.L.); (W.-B.L.); (Y.-B.Z.)
| | - Yin-Ru Li
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China; (Y.-R.L.); (G.-X.Y.); (X.-Y.T.)
| | - Guang-Xi Yu
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China; (Y.-R.L.); (G.-X.Y.); (X.-Y.T.)
| | - Xin-Yi Tian
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China; (Y.-R.L.); (G.-X.Y.); (X.-Y.T.)
| | - Yan-Bing Zhang
- Key Laboratory of Advanced Drug Preparation Technologies (Ministry of Education), Institute of Drug Discovery & Development, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China; (X.-J.P.); (X.-J.L.); (Y.L.); (W.-B.L.); (Y.-B.Z.)
| | - Jian Song
- Key Laboratory of Advanced Drug Preparation Technologies (Ministry of Education), Institute of Drug Discovery & Development, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China; (X.-J.P.); (X.-J.L.); (Y.L.); (W.-B.L.); (Y.-B.Z.)
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China; (Y.-R.L.); (G.-X.Y.); (X.-Y.T.)
- Correspondence: (J.S.); (C.-Y.J.); (S.-Y.Z.)
| | - Cheng-Yun Jin
- Key Laboratory of Advanced Drug Preparation Technologies (Ministry of Education), Institute of Drug Discovery & Development, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China; (X.-J.P.); (X.-J.L.); (Y.L.); (W.-B.L.); (Y.-B.Z.)
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China; (Y.-R.L.); (G.-X.Y.); (X.-Y.T.)
- Correspondence: (J.S.); (C.-Y.J.); (S.-Y.Z.)
| | - Sai-Yang Zhang
- Key Laboratory of Advanced Drug Preparation Technologies (Ministry of Education), Institute of Drug Discovery & Development, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China; (X.-J.P.); (X.-J.L.); (Y.L.); (W.-B.L.); (Y.-B.Z.)
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China; (Y.-R.L.); (G.-X.Y.); (X.-Y.T.)
- Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou 450001, China
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing 210023, China
- Correspondence: (J.S.); (C.-Y.J.); (S.-Y.Z.)
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Lan HR, Wu ZQ, Zhang LH, Jin KT, Wang SB. Nanotechnology Assisted Chemotherapy for Targeted Cancer Treatment: Recent Advances and Clinical Perspectives. Curr Top Med Chem 2021; 20:2442-2458. [PMID: 32703133 DOI: 10.2174/1568026620666200722110808] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 11/05/2019] [Accepted: 12/20/2019] [Indexed: 12/30/2022]
Abstract
Nanotechnology has recently provided exciting platforms in the field of anticancer research with promising potentials for improving drug delivery efficacy and treatment outcomes. Nanoparticles (NPs) possess different advantages over the micro and bulk therapeutic agents, including their capability to carry high payloads of drugs, with prolonged half-life, reduced toxicity of the drugs, and increased targeting efficiency. The wide variety of nanovectors, coupled with different conjugation and encapsulation methods available for different theranostic agents provide promising opportunities to fine-tune the pharmacological properties of these agents for more effective cancer treatment methods. This review discusses applications of NPs-assisted chemotherapy in preclinical and clinical settings and recent advances in design and synthesis of different nanocarriers for chemotherapeutic agents. Moreover, physicochemical properties of different nanocarriers, their impacts on different tumor targeting strategies and effective parameters for efficient targeted drug delivery are discussed. Finally, the current approved NPs-assisted chemotherapeutic agents for clinical applications and under different phases of clinical trials are discussed.
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Affiliation(s)
- Huan-Rong Lan
- Department of Breast and Thyroid Surgery, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, 312000, Zhejiang Province, China
| | - Zhi-Qiang Wu
- Department of Pharmacy, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou 310014, Zhejiang Province, China
| | - Li-Hua Zhang
- Department of Colorectal Surgery, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, 312000, Zhejiang Province, China
| | - Ke-Tao Jin
- Department of Colorectal Surgery, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, 312000, Zhejiang Province, China
| | - Shi-Bing Wang
- Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou 310014, China
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13
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Gheidari F, Arefian E, Adegani FJ, Kalhori MR, Seyedjafari E, Kabiri M, Teimoori-Toolabi L, Soleimani M. miR-424 induces apoptosis in glioblastoma cells and targets AKT1 and RAF1 oncogenes from the ERBB signaling pathway. Eur J Pharmacol 2021; 906:174273. [PMID: 34153339 DOI: 10.1016/j.ejphar.2021.174273] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 06/08/2021] [Accepted: 06/14/2021] [Indexed: 12/13/2022]
Abstract
Glioblastoma is a lethal and incurable cancer. Tumor suppressor miRNAs are promising gene therapy tools for cancer treatment. In silico, we predicted miR-424 as a tumor suppressor. It had several target genes from the epidermal growth factor receptor (ERBB) signaling pathway that are overactive in most glioblastoma cases. We overexpressed miR-424 by lentiviral transduction of U-251 and U-87 glioblastoma cells confirmed with fluorescent microscopy and real-time quantitative PCR (qRT-PCR). Then the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) proliferation assay and scratch wound migration assay were performed to investigate the miR-424 tumor suppressor effect in glioblastoma. miR-424's effect on glioblastoma apoptosis and cell-cycle arrest was verified using Annexin V- phosphatidylethanolamine (PE) and 7-minoactinomycin D (7-AAD) apoptosis assay and cell-cycle assay. miR-424 predicted target genes mRNA and protein level were measured after miR-424 overexpression in comparison to the control group by qRT-PCR and western blotting, respectively. We confirmed miR-424 direct target genes by dual-luciferase reporter assay. miR-424 overexpression significantly suppressed cell proliferation and migration rate in glioblastoma cells based on the MTT and scratch assays. Flow cytometry results confirmed that miR-424 promotes apoptosis and cell-cycle arrest in glioblastoma cells. Predicted target genes of miR-424 from the ERBB pathway were downregulated by miR-424 overexpression. qRT-PCR and western blotting showed that KRAS, RAF1, MAP2K1, EGFR, PDGFRA, AKT1, and mTOR mRNA expression levels and KRAS, RAF1, MAP2K1, EGFR, and AKT1 protein level, respectively, had significantly decreased as a result of miR-424 overexpression in comparison to the control group. Dual-luciferase reporter assay confirmed that miR-424 directly targets RAF1 and AKT1 oncogenes. Overall, miR-424 acts as tumor suppressor miRNA in glioblastoma cells.
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Affiliation(s)
- Fatemeh Gheidari
- Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran; Stem Cell Technology Research Center, Tehran, Iran.
| | - Ehsan Arefian
- Department of Microbiology, School of Biology, College of Science, University of Tehran, Tehran, Iran; Pediatric Cell Therapy Research Center, Tehran University of Medical Sciences, Tehran, Iran.
| | - Fatemeh Jamshidi Adegani
- Laboratory for Stem Cell & Regenerative Medicine, Natural and Medicinal Sciences Research Center, University of Nizwa, Nizwa, Oman.
| | - Mohammad Reza Kalhori
- Regenerative Medicine Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Ehsan Seyedjafari
- Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran.
| | - Mahboubeh Kabiri
- Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran.
| | - Ladan Teimoori-Toolabi
- Department of Molecular Medicine, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran.
| | - Masoud Soleimani
- Department of Hematology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
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Uhlig J, Mehta S, Case MD, Dhanasopon A, Blasberg J, Homer RJ, Solomon SB, Kim HS. Effectiveness of Thermal Ablation and Stereotactic Radiotherapy Based on Stage I Lung Cancer Histology. J Vasc Interv Radiol 2021; 32:1022-1028.e4. [PMID: 33811997 DOI: 10.1016/j.jvir.2021.02.025] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 01/25/2021] [Accepted: 02/14/2021] [Indexed: 11/29/2022] Open
Abstract
PURPOSE To assess whether the effectiveness of thermal ablation (TA) and stereotactic body radiotherapy (SBRT) as initial treatments for stage I lung cancer varies depending on the histological subtype. MATERIALS AND METHODS The 2004-2016 National Cancer Database was queried for patients with American Joint Committee on Cancer stage I lung cancer treated with TA or SBRT. Patients <18 years, those treated with surgery or chemotherapy, or those with unknown survival and follow-up were excluded. TA and SBRT patients were 1:5 propensity score matched separately for each histological subtype to adjust for confounders. Overall survival (OS) was assessed using Cox models. RESULTS A total of 28,425 patients were included (SBRT, n = 27,478; TA, n = 947). TA was more likely to be used in Caucasian patients, those with more comorbidities and smaller neuroendocrine tumors (NETs) of the lower lobe, and those whose treatment had taken place in the northeastern United States. After propensity score matching, a cohort with 4,085 SBRT and 817 TA patients with balanced confounders was obtained. In this cohort, OS for TA and SBRT was comparable (hazard ratio = 1.07; 95% confidence interval,0.98-1.18; P = .13), although it varied by histological subtypes: higher OS for TA was observed in patients with non-small cell NETs (vs SBRT hazard ratio = 0.48; 95% confidence interval, 0.24-0.95; P = .04). No significant OS differences between TA and SBRT were noted for adenocarcinomas, squamous cell carcinomas, small cell carcinomas, and non-neuroendocrine large cell carcinomas (each, P > .1). CONCLUSIONS OS following TA and SBRT for stage I lung cancer is comparable for most histological subtypes, except that OS is longer after TA in non-small cell NETs.
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Affiliation(s)
- Johannes Uhlig
- Section of Interventional Radiology, Department of Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, Connecticut; Department of Diagnostic and Interventional Radiology, University Medical Center, Goettingen, Germany
| | - Sumarth Mehta
- Section of Interventional Radiology, Department of Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, Connecticut
| | - Meaghan Dendy Case
- Section of Interventional Radiology, Department of Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, Connecticut
| | - Andrew Dhanasopon
- Section of Thoracic Surgery, Yale School of Medicine, New Haven, Connecticut; Yale Cancer Center, Yale School of Medicine, New Haven, Connecticut
| | - Justin Blasberg
- Section of Thoracic Surgery, Yale School of Medicine, New Haven, Connecticut; Yale Cancer Center, Yale School of Medicine, New Haven, Connecticut
| | - Robert J Homer
- Yale Cancer Center, Yale School of Medicine, New Haven, Connecticut; Department of Pathology, Yale School of Medicine, New Haven, Connecticut
| | - Stephen B Solomon
- Section of Interventional Radiology, Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Hyun S Kim
- Section of Interventional Radiology, Department of Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, Connecticut; Yale Cancer Center, Yale School of Medicine, New Haven, Connecticut; Section of Medical Oncology, Yale School of Medicine, New Haven, Connecticut; Division of Vascular and Interventional Radiology, Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, Maryland.
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Chen CJ, Liu YP. MERTK Inhibition: Potential as a Treatment Strategy in EGFR Tyrosine Kinase Inhibitor-Resistant Non-Small Cell Lung Cancer. Pharmaceuticals (Basel) 2021; 14:ph14020130. [PMID: 33562150 PMCID: PMC7915726 DOI: 10.3390/ph14020130] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/25/2021] [Accepted: 02/02/2021] [Indexed: 02/06/2023] Open
Abstract
Epidermal growth factor tyrosine kinase inhibitors (EGFR-TKIs) are currently the most effective treatment for non-small cell lung cancer (NSCLC) patients, who carry primary EGFR mutations. However, the patients eventually develop drug resistance to EGFR-TKIs after approximately one year. In addition to the acquisition of the EGFR T790M mutation, the activation of alternative receptor-mediated signaling pathways is a common mechanism for conferring the insensitivity of EGFR-TKI in NSCLC. Upregulation of the Mer receptor tyrosine kinase (MERTK), which is a member of the Tyro3-Axl-MERTK (TAM) family, is associated with a poor prognosis of many cancers. The binding of specific ligands, such as Gas6 and PROS1, to MERTK activates phosphoinositide 3-kinase (PI3K)/Akt and mitogen-activated protein kinase (MAPK) cascades, which are the signaling pathways shared by EGFR. Therefore, the inhibition of MERTK can be considered a new therapeutic strategy for overcoming the resistance of NSCLC to EGFR-targeted agents. Although several small molecules and monoclonal antibodies targeting the TAM family are being developed and have been described to enhance the chemosensitivity and converse the resistance of EGFR-TKI, few have specifically been developed as MERTK inhibitors. The further development and investigation of biomarkers which can accurately predict MERTK activity and the response to MERTK inhibitors and MERTK-specific drugs are vitally important for obtaining appropriate patient stratification and increased benefits in clinical applications.
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Affiliation(s)
- Chao-Ju Chen
- Department of Laboratory Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
| | - Yu-Peng Liu
- Graduate Institute of Clinical Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Correspondence: ; Tel.: +886-7-3121101
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Billaud A, Verriele V, Dauvé J, Chevalier LM, Morel A. Non-Small-Cell Lung Cancer-Sensitive Detection of the p.Thr790Met EGFR Alteration by Preamplification before PNA-Mediated PCR Clamping and Pyrosequencing. Diagnostics (Basel) 2020; 10:diagnostics10080527. [PMID: 32751202 PMCID: PMC7460542 DOI: 10.3390/diagnostics10080527] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 07/19/2020] [Accepted: 07/27/2020] [Indexed: 12/24/2022] Open
Abstract
Targeted therapies and, more precisely, EGFR tyrosine kinase inhibitors (TKIs) have been a major improvement in the therapeutic management of EGFR-mutated non-small-cell lung cancers (NSCLCs). Earlier administration of these TKIs throughout tumor progression is imperative to improve patient outcomes. Consequently, studies have focused on refining the characterization of biomarkers, especially concerning the resistance mutation p.Thr790Met of EGFR. Herein, we developed peptide nucleic acid (PNA)-mediated PCR clamping followed by pyrosequencing, favoring enrichment of the mutated fraction. A preamplification step was first added to increase the amplifiable DNA fraction. Throughout the application of our method on DNA extracted from FFPE samples of 46 patients with NSCLC who had relapsed under first-generation EGFR TKI, we evaluated a sensitivity of 93.3% and a specificity of 100%. All 19 patients who were positive for the p.Thr790Met mutation with NGS were also found to be positive with our protocol. The only discordant case was a sample with no mutation detected with NGS, but which was positive with PNA. This protocol allows for the detection of the p.Thr790Met mutation with a sensitivity of 0.5% which will permit earlier detection and an improvement of therapeutic management.
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Affiliation(s)
- Amandine Billaud
- Université d’Angers, Inserm, CRCINA, F-49000 Angers, France; (A.B.); (L.-M.C.)
- Institut de Cancérologie de l’Ouest Nantes-Angers, 49000 Angers, France; (V.V.); (J.D.)
| | - Veronique Verriele
- Institut de Cancérologie de l’Ouest Nantes-Angers, 49000 Angers, France; (V.V.); (J.D.)
| | - Jonathan Dauvé
- Institut de Cancérologie de l’Ouest Nantes-Angers, 49000 Angers, France; (V.V.); (J.D.)
| | - Louise-Marie Chevalier
- Université d’Angers, Inserm, CRCINA, F-49000 Angers, France; (A.B.); (L.-M.C.)
- Institut de Cancérologie de l’Ouest Nantes-Angers, 49000 Angers, France; (V.V.); (J.D.)
| | - Alain Morel
- Université d’Angers, Inserm, CRCINA, F-49000 Angers, France; (A.B.); (L.-M.C.)
- Institut de Cancérologie de l’Ouest Nantes-Angers, 49000 Angers, France; (V.V.); (J.D.)
- Correspondence: ; Tel.: +33-241-352-717
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Meena DS, Kumar D, Bohra GK, Midha N. Gefitinib induced severe hyponatremia: A case report. J Oncol Pharm Pract 2020; 27:711-715. [PMID: 32686614 DOI: 10.1177/1078155220942302] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
INTRODUCTION Evolution of targeted molecular therapies has greatly improved patient survival in cancer. Gefitinib is an oral, reversible, epidermal growth factor receptor inhibitor used in advance non-small cell lung cancer. Skin rashes and diarrhea are common adverse effects associated with gefitinib. However, electrolytes disorders are rarely reported with gefitinib, particularly hyponatremia. CASE REPORT We describe a 65-year-old male with metastatic non-small cell lung cancer treated with gefitinib for the last three weeks. He presented to our hospital with complaints of acute onset drowsiness. On evaluation of drowsiness, patient was diagnosed with severe hyponatremia.Management and outcome: After ruling out other common causes of hyponatremia, gefitinib was attributed as a cause of hyponatremia. Gefitinib was immediately stopped and IV hypertonic saline (3% sodium chloride) was started due to severe symptomatic hyponatremia. After seven days of cessation of gefitinib, he became asymptomatic with normalisation of serum sodium levels. DISCUSSION Hyponatremia in cancer patients is associated with poor prognosis and prolonged hospital stay. Possibility of gefitinib-induced hyponatremia should be considered in order to achieve early diagnosis and prevent significant mortality in cancer patients.
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Affiliation(s)
- Durga Shankar Meena
- Department of Internal Medicine, All India Institute of Medical Sciences, Jodhpur, India
| | - Deepak Kumar
- Department of Internal Medicine, All India Institute of Medical Sciences, Jodhpur, India
| | - Gopal Krishana Bohra
- Department of Internal Medicine, All India Institute of Medical Sciences, Jodhpur, India
| | - Naresh Midha
- Department of Internal Medicine, All India Institute of Medical Sciences, Jodhpur, India
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Chevalier LM, Billaud A, Passot C, Renoult A, Bigot F, Verrièle V, Morel A. [EGFR molecular characterization in non-small cell bronchic cancer: comparative prospective study by NGS and Idylla platform technologies]. Ann Pathol 2020; 40:389-400. [PMID: 32081549 DOI: 10.1016/j.annpat.2020.01.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 01/10/2020] [Accepted: 01/23/2020] [Indexed: 01/08/2023]
Abstract
INTRODUCTION Detection of genetic alterations in the EGFR tyrosine kinase domain is a major concern in the management of non-small cell lung cancer because it conditions access to tyrosine kinase inhibitors. In practice, it is possible to characterize only well-documented mutations or to sequence all relevant EGFR exons and also other targets of theranostic interest. This prospective study compares the targeted EGFR characterization on Idylla platform (Biocartis) and a more extensive one by next generation sequencing using Ion Torrent technology. MATERIAL AND METHODS A total of 100 formalin-fixed paraffin-embedded tumour samples were tested simultaneously by both techniques under the conditions recommended by the suppliers. The comparison covered all technical and practical aspects of the laboratory. RESULTS At least one EGFR mutation of interest for tyrosine kinase inhibitors for 9 and 7 samples was detected respectively by sequencing and by the Idylla system. For three samples, EGFR sensitive mutations to tyrosine kinase inhibitors were detected only by next-generation sequencing. In addition, for 37 samples, mutations of clinical interest outside EGFR were characterized by sequencing and communicated to the prescriber. CONCLUSION Idylla technology allows the rapid characterization of a majority of EGFR variants. The result can be optimized by careful analysis of the amplification curves with the Idylla Explore tool or by increasing the amount of initial material. A complementary new generation sequencing analysis for non-contributory results by Idylla should also be recommended.
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Affiliation(s)
- Louise-Marie Chevalier
- Département de Biopathologie, Institut de Cancérologie de l'Ouest, site Paul Papin, 15, rue André Boquel, 49 055 Angers cedex 02, France; CRCINA U1232, Inserm, Université de Nantes, Université d'Angers, 4, rue Larrey, Angers, France.
| | - Amandine Billaud
- Département de Biopathologie, Institut de Cancérologie de l'Ouest, site Paul Papin, 15, rue André Boquel, 49 055 Angers cedex 02, France; CRCINA U1232, Inserm, Université de Nantes, Université d'Angers, 4, rue Larrey, Angers, France.
| | - Christophe Passot
- Département de Biopathologie, Institut de Cancérologie de l'Ouest, site Paul Papin, 15, rue André Boquel, 49 055 Angers cedex 02, France.
| | - Adélaïde Renoult
- Département de Biopathologie, Institut de Cancérologie de l'Ouest, site Paul Papin, 15, rue André Boquel, 49 055 Angers cedex 02, France.
| | - Frédéric Bigot
- Département de Biopathologie, Institut de Cancérologie de l'Ouest, site Paul Papin, 15, rue André Boquel, 49 055 Angers cedex 02, France.
| | - Véronique Verrièle
- Département de Biopathologie, Institut de Cancérologie de l'Ouest, site Paul Papin, 15, rue André Boquel, 49 055 Angers cedex 02, France.
| | - Alain Morel
- Département de Biopathologie, Institut de Cancérologie de l'Ouest, site Paul Papin, 15, rue André Boquel, 49 055 Angers cedex 02, France; CRCINA U1232, Inserm, Université de Nantes, Université d'Angers, 4, rue Larrey, Angers, France.
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Truong DH, Le VKH, Pham TT, Dao AH, Pham TPD, Tran TH. Delivery of erlotinib for enhanced cancer treatment: An update review on particulate systems. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2019.101348] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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20
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Zeng L, Xiao L, Jiang W, Yang H, Hu D, Xia C, Li Y, Zhou C, Xiong Y, Liu L, Liao D, Guan R, Li K, Wang J, Zhang Y, Yang N, Mansfield AS. Investigation of efficacy and acquired resistance for EGFR-TKI plus bevacizumab as first-line treatment in patients with EGFR sensitive mutant non-small cell lung cancer in a Real world population. Lung Cancer 2020; 141:82-88. [PMID: 31982639 DOI: 10.1016/j.lungcan.2020.01.009] [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: 07/14/2019] [Revised: 10/22/2019] [Accepted: 01/10/2020] [Indexed: 12/21/2022]
Abstract
OBJECTIVES We aimed to investigate the clinical efficacy of EGFR tyrosine kinase inhibitor (TKI, T) plus bevacizumab (an antiangiogenic therapy, A) in a real-world population and to provide insights into their mechanism of resistance. METHODS This study included 256 NSCLC patients harboring EGFR sensitizing mutations (EGFR 19del and L858R) who underwent nextgeneration sequencing (NGS) with 168-gene panel prior to treatment between Jan 2015 to Aug 2018. Cohort A included 60 patients treated with A + T; while cohort B consisted of 120 patients treated with EGFR-TKI monotherapy with the patients identified using Propensity Score Matching (Ratio of 1:2). Clinical outcomes and potential resistance mechanism were evaluated. RESULTS Baseline clinical characteristics were not significantly different between Cohort A and B. Compared with cohort B, cohort A had significantly better overall response rate (95% vs 74.2%, p = 0.001) and longer median progression-free survival (PFS, 16.5m vs.12.0 m, HR = 0.7, p = 0.001). Until Jan 2019, 31 and 103 patients in cohort A and B, respectively, were evaluated with progressive disease and underwent tissue re-biopsy and NGS profiling with 168-gene panel. In cohort B, T790M was the predominant acquired resistance mechanism, detected in 51.5% (53/103) of progressive tumors, followed by amplifications in EGFR (15.5%, 16/103) and MET (6.8%, 7/103). Contrastingly, cohort A had a significantly lower rate of T790 M mutation (35.5%, 11/31, p = 0.0003), followed by mutations in TP53 (29.0%, 9/31), RB1 (9.7%, 3/31), SMAD4 (3.2%, 1/31) and EGFR V834 L (3.2%, 1/31) and amplifications in EGFR (9.7%, 3/31), and MET(6.5%, 2/31). CONCLUSION Treatment with first-line A + T significantly extends the time to progression and increases the response rate with acceptable safety profile. T790 M was the most common acquired resistance mechanism but it was less common in patients who received A + T.
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Affiliation(s)
- Liang Zeng
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
| | - Lili Xiao
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China; Graduate School, University of South China, Hengyang, Hunan, 421001, China
| | - Wenjuan Jiang
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
| | - Haiyan Yang
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
| | - Dandan Hu
- Medical Affairs, Roche, Shanghai, 201203, China
| | - Chen Xia
- Department of Medical Oncology, Hepatobiliary and Pancreatic Unit, Hunan Cancer Hospital, Changsha, 410013, China
| | - Yizhi Li
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
| | - Chunhua Zhou
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
| | - Yi Xiong
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
| | - Li Liu
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
| | - Dehua Liao
- Department of Pharmacy, Hunan Cancer Hospital, Changsha, 410011, China
| | - Rui Guan
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
| | - Kunyan Li
- Center of New Drug Clinical Trials, Hunan Cancer Hospital, Changsha, 410011, China
| | - Jing Wang
- Hunan Clinical Research Center in Gynecologic Cancer, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
| | - Yongchang Zhang
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China.
| | - Nong Yang
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China.
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21
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Xiong F, Yin H, Zhang H, Zhu C, Zhang B, Chen S, Ling C, Chen X. Clinicopathologic Features and the Prognostic Implications of Long Noncoding RNA HOTAIRM1 in Non-Small Cell Lung Cancer. Genet Test Mol Biomarkers 2020; 24:47-53. [PMID: 31880484 DOI: 10.1089/gtmb.2019.0102] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Affiliation(s)
- Feng Xiong
- Department of Oncology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Hong Yin
- Department of Oncology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Hui Zhang
- Department of Oncology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Chunrong Zhu
- Department of Oncology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Biao Zhang
- Department of Thoracic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Shaomu Chen
- Department of Thoracic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Chunhua Ling
- Department of Respiratory Diseases, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xiang Chen
- Department of Respiratory Diseases, The First Affiliated Hospital of Soochow University, Suzhou, China
- Department of Respiratory Diseases, Suzhou Ninth People's Hospital, Suzhou, China
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22
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EGFR-specific CAR-T cells trigger cell lysis in EGFR-positive TNBC. Aging (Albany NY) 2019; 11:11054-11072. [PMID: 31804974 PMCID: PMC6932924 DOI: 10.18632/aging.102510] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Accepted: 11/18/2019] [Indexed: 12/31/2022]
Abstract
Triple-negative breast cancer (TNBC) is an aggressive cancer subtype for which effective therapies are lacking. Epidermal growth factor receptor (EGFR) is overexpressed in various types of TNBC cells, and several EGFR-specific immunotherapies have been used to treat cancer patients. Chimeric antigen receptor engineered T (CAR-T) cells have also been used as cancer therapies. In this study, we generated two types of EGFR-specific CAR-modified T cells using lentiviral vectors with DNA sequences encoding the scFv regions of two anti-EGFR antibodies. The cytotoxic and antitumor effects of these CAR-modified T cells were examined in cytokine release and cytotoxicity assays in vitro and in tumor growth assays in TNBC cell line- and patient-derived xenograft mouse models. Both types of EGFR-specific CAR-T cells were activated by high-EGFR-expressing TNBC cells and specifically triggered TNBC cell lysis in vitro. Additionally, the CAR-T cells inhibited growth of cell-line- and patient-derived xenograft TNBC tumors in mice. These results suggest that EGFR-specific CAR-T cells might be a promising therapeutic strategy in patients with high-EGFR-expressing TNBC.
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23
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Wang R, Luo Z, Zhang H, Wang T. Tanshinone IIA Reverses Gefitinib-Resistance In Human Non-Small-Cell Lung Cancer Via Regulation Of VEGFR/Akt Pathway. Onco Targets Ther 2019; 12:9355-9365. [PMID: 31807016 PMCID: PMC6844214 DOI: 10.2147/ott.s221228] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 10/18/2019] [Indexed: 12/14/2022] Open
Abstract
Background Gefitinib-resistance is a primary obstacle for the treatment of non-small-cell lung cancer (NSCLC). It has been shown that tanshinone IIA (Tan IIA) could induce apoptosis of NSCLC cells. However, the role of combination of gefitinib with Tan IIA on gefitinib-resistance NSCLC cells remains unclear. Thus, this study aimed to investigate the role of combination on the proliferation, apoptosis and invasion of gefitinib-resistance NSCLC cells. Methods CCK-8, flow cytometric and transwell assays were applied to detect proliferation, apoptosis and invasion in gefitinib-resistance NSCLC cells, respectively. In addition, Western blotting assay was used to detect the expressions of p-EGFR, p-VEGFR2, and p-Akt in HCC827/gefitinib cells. Results In this study, Tan IIA enhanced the cytotoxic effect of gefitinib in gefitinib-resistance NSCLC cells. In addition, the inhibitory effects of gefitinib on the proliferation, migration and invasion of gefitinib-resistance NSCLC cells were enhanced in the presence of Tan IIA. Moreover, Tan IIA enhanced the pro-apoptotic effect of gefitinib in gefitinib-resistance NSCLC cells via increasing the level of cleaved caspase 3. Meanwhile, Tan IIA enhanced the sensitivity of HCC827/gefitinib cells to gefitinib via downregulation of the VEGFR2/Akt pathway. In vivo experiments further confirmed that combination of gefitinib with Tan IIA inhibited tumor growth in mouse xenograft model of HCC827/gefitinib. Conclusion We found that Tan IIA could enhance gefitinib sensitivity in gefitinib-resistance NSCLC cells. Therefore, combination of gefitinib with Tan IIA might be considered as a therapeutic approach for the treatment of gefitinib-resistant NSCLC.
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Affiliation(s)
- Rui Wang
- Department of Respiratory Disease Center, The Third Affiliated Hospital of Chongqing Medical University, Chongqing 401120, People's Republic of China
| | - Zhilin Luo
- Department of Respiratory Disease Center, The Third Affiliated Hospital of Chongqing Medical University, Chongqing 401120, People's Republic of China
| | - Hong Zhang
- Department of Respiratory Disease Center, The Third Affiliated Hospital of Chongqing Medical University, Chongqing 401120, People's Republic of China
| | - Tianhu Wang
- Department of Respiratory Disease Center, The Third Affiliated Hospital of Chongqing Medical University, Chongqing 401120, People's Republic of China
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24
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Design and synthesis of diphenylpyrimidine derivatives (DPPYs) as potential dual EGFR T790M and FAK inhibitors against a diverse range of cancer cell lines. Bioorg Chem 2019; 94:103408. [PMID: 31706682 DOI: 10.1016/j.bioorg.2019.103408] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 09/28/2019] [Accepted: 10/28/2019] [Indexed: 01/04/2023]
Abstract
A new class of pyrimidine derivatives were designed and synthesized as potential dual FAK and EGFRT790M inhibitors using a fragment-based drug design strategy. This effort led to the identification of the two most active inhibitors, namely 9a and 9f, against both FAK (IC50 = 1.03 and 3.05 nM, respectively) and EGFRT790M (IC50 = 3.89 and 7.13 nM, respectively) kinase activity. Moreover, most of these compounds also exhibited strong antiproliferative activity against the three evaluated FAK-overexpressing pancreatic cancer (PC) cells (AsPC-1, BxPC-3, Panc-1) and two drug-resistant cancer cell lines (breast cancer MCF-7/adr cells and lung cancer H1975 cells) at concentrations lower than 6.936 μM. In addition, 9a was also effective in the in vivo assessment conducted in a FAK-driven human AsPC-1 cell xenograft mouse model. Overall, this study offers a new insight into the treatment of hard to treat cancers.
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Abstract
BACKGROUND The discovery that early diagnosis can reduce the mortality of lung cancer provides firm evidence that early surgical intervention is effective. However, surgical resection is available only to those who are healthy enough to tolerate the procedure. Vapor ablation may provide an additional method of treating the lung cancer patient, and has been studied in humans for emphysema treatment. In swine, we previously demonstrated that bronchoscopically delivered thermal vapor ablation (BTVA) could be accurately applied, was uniform, anatomically confined, and was tolerated by the animal. To provide evidence that BTVA may be a feasible method of treatment in humans, and since human and swine lungs have differing airway and segmental anatomy, we extended our studies to deceased human lungs to determine if anatomically confined and uniform ablations could be obtained with levels of energy comparable with our swine and human emphysema studies. METHODS We obtained fresh, deceased human lungs and performed BTVA with increasing energy in subsegmental regions of lung containing tumors as well as non-tumor-containing areas in order to determine if uniform ablations with sharp boundaries could be obtained in human lung. RESULTS We found that all ablations were anatomically contained. The frequency of uniform ablation effect was dependent on the total energy delivered and was achieved at a greater frequency than those with sharp boundaries. If a lung tumor was contained within the anatomy of the subsegment, the ablation zone completely surrounded the tumor. CONCLUSION We conclude that BTVA may have a future role in the treatment of lung cancer and should be investigated further in clinical trials.
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26
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Shirai K, Kubota Y, Ohno T, Saitoh JI, Abe T, Mizukami T, Mori Y, Kawamura H, Akahane K, Nakano T. Carbon-ion Radiotherapy for Isolated Lymph Node Metastasis After Surgery or Radiotherapy for Lung Cancer. Front Oncol 2019; 9:731. [PMID: 31448233 PMCID: PMC6692658 DOI: 10.3389/fonc.2019.00731] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 07/22/2019] [Indexed: 12/25/2022] Open
Abstract
Purpose: Mediastinal and hilar lymph node metastasis is one of the recurrence patterns after definitive treatment of lung cancer. Salvage radiotherapy (RT) can be a treatment option for lymph node metastasis. However, the usefulness of additional RT remains unclear after surgery or RT for the primary lung tumor. We retrospectively evaluated the efficacy and safety of hypofractionated carbon-ion RT for isolated lymph node metastasis. Methods and Materials: Between April 2013 and August 2016, 15 consecutive patients with isolated lymph node metastasis underwent carbon-ion RT. The pretreatment evaluations confirmed the isolated lymph node metastasis and the absence of local recurrence or distant metastasis, which was oligometastatic disease. The median age was 72 (range, 51-83) years, with 11 male patients. The first treatments for primary lung tumors were carbon-ion RT for 8 patients and surgery for 7 patients. There were 9 adenocarcinomas, 4 squamous cell carcinomas, 1 adenosquamous cell carcinoma, and 1 mucoepidermoid carcinoma. Most patients (93%) were irradiated with 52.8 Gy relative biological effectiveness in 12 fractions for 3 weeks. There were no patients treated with concurrent or adjuvant therapy such as chemotherapy, molecular-targeted therapy, or immunotherapy. Adverse events were evaluated according to the Common Terminology Criteria for Adverse Events (version 4.0). Results: The median follow-up for surviving patients was 28 months. One patient experienced local lymph node recurrence, and the 2-year local control rate was 92% for all patients. Distant metastasis was observed in 7 patients, and 2-year progression-free survival rate was 47%. During follow-up, there were 4 deaths from lung cancer, and the 2-year overall survival rate was 75%. There were 2 patients with acute grade 2 esophagitis and 2 with late grade 2 cough, which were improved by conservative therapy. There were no other grade 2 or higher adverse events. Conclusions: Hypofractionated carbon-ion RT showed excellent local control and overall survival without severe toxicities in lung cancer patients with isolated lymph node metastasis after surgery or carbon-ion RT for primary lung tumors. A multi-institutional prospective study is required to establish the efficacy and safety of carbon-ion RT.
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Affiliation(s)
- Katsuyuki Shirai
- Department of Radiology, Saitama Medical Center, Jichi Medical University, Saitama, Japan.,Gunma University Heavy Ion Medical Center, Maebashi, Japan
| | - Yoshiki Kubota
- Gunma University Heavy Ion Medical Center, Maebashi, Japan
| | - Tatsuya Ohno
- Gunma University Heavy Ion Medical Center, Maebashi, Japan
| | - Jun-Ichi Saitoh
- Department of Radiation Oncology, Faculty of Medicine, University of Toyama, Toyama, Japan
| | - Takanori Abe
- Gunma University Heavy Ion Medical Center, Maebashi, Japan
| | - Tatsuji Mizukami
- Department of Radiation Oncology, Faculty of Medicine, University of Toyama, Toyama, Japan
| | - Yasumasa Mori
- Gunma University Heavy Ion Medical Center, Maebashi, Japan
| | | | - Keiko Akahane
- Department of Radiology, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Takashi Nakano
- Gunma University Heavy Ion Medical Center, Maebashi, Japan
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27
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Molecular mechanisms of anti-psychotic drugs for improvement of cancer treatment. Eur J Pharmacol 2019; 856:172402. [PMID: 31108054 DOI: 10.1016/j.ejphar.2019.05.031] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 05/07/2019] [Accepted: 05/16/2019] [Indexed: 12/18/2022]
Abstract
Anti-psychotic medications are widely used to treat schizophrenia and bipolar disorder. Besides their medical applications, anti-psychotic drugs have other pharmacological properties which are involved in multiple intracellular functions including metabolism, cell stress, cell-cycle regulation, survival and apoptosis through modulation of cellular signaling pathways such as PI3K/Akt/GSK-3β, STAT3 and wingless (Wnt)-related intracellular signaling. Also, anti-psychotics counteract the growth of tumor cells by stimulating the cellular immune system and natural killer cells. On the other hand, the positive charge and the lipophilicity of anti-psychotics have significant roles in the inhibition of P-gp pumps resulting in accumulation of chemotherapy drugs as well as increasing the cellular susceptibility to chemotherapy, autophagy, angiogenesis inhibition, stem cells differentiation induction and changing the expression of tumor suppressor genes and oncogenes. Overall, anti-psychotics are able to inhibit the proliferation of cancer cells through modulation of different cellular pathways. Anti-psychotics act as anti-cancer drugs and besides can increase the efficacy of anti-cancer agents in cancer cells. In this study, the anti-cancer effects of different anti-psychotic medicines on various malignant tumor cells and their molecular mechanisms have been discussed.
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28
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TAZ sensitizes EGFR wild-type non-small-cell lung cancer to gefitinib by promoting amphiregulin transcription. Cell Death Dis 2019; 10:283. [PMID: 30911072 PMCID: PMC6433914 DOI: 10.1038/s41419-019-1519-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 02/25/2019] [Accepted: 03/11/2019] [Indexed: 12/18/2022]
Abstract
Comparatively less toxic and more tolerated, epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKIs) are recommendable for advanced non-small-cell lung cancer (NSCLC) patients with EGFR-sensitive mutations. Some EGFR wild-type patients with specific biomarkers also show a response to the drug. TAZ is an oncogene closely associated with the therapeutic effect of EGFR-TKIs. However, this association remains to be clarified. This study aimed to clarify the mechanism through which TAZ sensitizes EGFR wild-type NSCLC to gefitinib. We used CCK-8 assays and in vivo experiments to investigate the influence of TAZ on gefitinib in EGFR wild-type NSCLC. To further validate the tumorigenic role of TAZ, we performed Human umbilical vein endothelial cell (HUVEC) tube formation and migration assays. Luciferase reporter assays, quantitative real-time PCR (qPCR), immunoblotting and Chromatin immunoprecipitation collaborated with qPCR illuminated the mechanism through which TAZ caused those phenotypes. The results showed TAZ promoted the angiogenesis of NSCLC cell lines and improved gefitinib sensitivity in EGFR wild-type NSCLC in vitro and in vivo. Luciferase reporter assays and ChIP-qPCR experiments showed TAZ upregulated AREG by promoting its transcription. EGFR signaling pathway was activated as TAZ was highly expressed. Rescue experiments were conducted to confirm the indispensable role of AREG in tumorigenesis and gefitinib sensitivity regulated by TAZ. Our study concluded that TAZ sensitized EGFR wild-type NSCLC to gefitinib through promoting amphiregulin transcription.
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29
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FoxO3a inhibiting expression of EPS8 to prevent progression of NSCLC: A new negative loop of EGFR signaling. EBioMedicine 2019; 40:198-209. [PMID: 30738830 PMCID: PMC6413682 DOI: 10.1016/j.ebiom.2019.01.053] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 01/25/2019] [Accepted: 01/25/2019] [Indexed: 12/21/2022] Open
Abstract
Background The resistance to EGF receptor (EGFR) tyrosine kinase inhibitors (TKI) is a major challenge in the treatment of non-small cell lung cancer (NSCLC). Understanding the molecular mechanisms behind resistance is therefore an important issue. Here we assessed the role of EGFR pathway substrate 8 (EPS8) and Forkhead box O 3a (FoxO3a) as potentially valuable targets in the resistance of NSCLC . Methods The expression levels of EPS8 and FoxO3a in patients with NSCLC (n = 75) were examined by immunohistochemistry staining, while in cells were detected by qPCR and western blot. The effects of EPS8 and FoxO3a on resistance, migration and invasion, cell cycle arrest were detected by MTT, transwell and flow cytometry, respectively. Chromatin immunoprecipitation and luciferase reporter assays were performed to determine the mechanisms of EPS8 expression and FoxO3a regulation. Findings We observed that the expression of EPS8 inversely correlated with FoxO3a in NSCLC cell lines and NSCLC patients. FoxO3a levels were significantly decreased in tumor tissues compared with para-carcinoma tissues, while EPS8 is opposite. Besides, they play reverse roles in the resistance to gefitinib, the migration and invasion abilities, the cell cycle arrest in vitro and the tumor growth in vivo. Mechanistically, FoxO3a inhibits EPS8 levels by directly binding its gene promoter and they form a negative loop in EGFR pathway. Interpretation Targeting FoxO3a and EPS8 in EGFR signaling pathway prevents the progression of NSCLC, which implied that the negative loop they formed could served as a therapeutic target for overcoming resistance in NSCLC. Funds National Natural Science Foundation of China, Science and Technology Project of Henan, Outstanding Young Talent Research Fund of Zhengzhou University and the National Scholarship Fund.
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30
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Nigro E, Stiuso P, Matera MG, Monaco ML, Caraglia M, Maniscalco M, Perrotta F, Mazzarella G, Daniele A, Bianco A. The anti-proliferative effects of adiponectin on human lung adenocarcinoma A549 cells and oxidative stress involvement. Pulm Pharmacol Ther 2019; 55:25-30. [PMID: 30654148 DOI: 10.1016/j.pupt.2019.01.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 01/14/2019] [Indexed: 01/19/2023]
Abstract
Adiponectin (Acrp30) plays an important role in energy metabolism and inflammation. Recently, in vivo serum Acrp30 levels have been reported to be correlated to risk of developing several types of cancers such as lung cancer, and in vitro studies have demonstrated a role for Acrp30 in the control of cell proliferation and survival. However, the molecular effects of Acrp30 on lung cancer have not yet been clearly defined. In the present study, we investigated the effects of different concentrations of Acrp30 on the A549 human alveolar epithelial cell line, an in vitro model of lung adenocarcinoma. A549 cells were exposed to various concentrations of Acrp30 and successively, proliferation, apoptosis and oxidative stress were evaluated by MTT test, caspase activity assay, flow-cytometry and western blotting analysis. Our results demonstrated that Acrp30 causes, in a time- and dose-dependent manner, a reduction of cell viability and duplication together with an increase in cell apoptosis rate. In addition, we found that Acrp30 induces an increase of lipid peroxidation evaluated by TBARS assay and a concomitant reduction of nitric oxide release, both markers of cellular oxidative stress. Taken together, our data on A549 cells provides new insight into potential involvement of Acrp30 on physio-pathologic mechanisms of lung diseases through interference with proliferation, apoptosis and oxidative status.
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Affiliation(s)
- E Nigro
- Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli", Napoli, Italy; CEINGE-Advanced Biotechnologies, Scarl, Napoli, Italy
| | - P Stiuso
- Department of Medicine, University of Campania "Luigi Vanvitelli", Napoli, Italy
| | - M G Matera
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Napoli, Italy
| | - M L Monaco
- CEINGE-Advanced Biotechnologies, Scarl, Napoli, Italy
| | - M Caraglia
- Pulmonary Rehabilitation Unit, ICS Maugeri SpA SB, Institute of Telese Terme, Benevento, Italy
| | - M Maniscalco
- Department of Medicine and Health Sciences "V Tiberio", University of Molise, Campobasso, Italy
| | - F Perrotta
- Department of Medicine and Health Sciences "V Tiberio", University of Molise, Campobasso, Italy
| | - G Mazzarella
- Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli", Napoli, Italy
| | - A Daniele
- CEINGE-Advanced Biotechnologies, Scarl, Napoli, Italy; Department of Environmental, Biological, Pharmaceutical Sciences and Technologies, University of Campania "Luigi Vanvitelli", Caserta, Italy.
| | - A Bianco
- Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli", Napoli, Italy
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Liu M, Zhang H, Li Y, Wang R, Li Y, Zhang H, Ren D, Liu H, Kang C, Chen J. HOTAIR, a long noncoding RNA, is a marker of abnormal cell cycle regulation in lung cancer. Cancer Sci 2018; 109:2717-2733. [PMID: 30047193 PMCID: PMC6125477 DOI: 10.1111/cas.13745] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 06/14/2018] [Accepted: 06/29/2018] [Indexed: 12/12/2022] Open
Abstract
Dysregulation of the cell cycle is a key indicator of tumors, including lung cancer. Recently, the study of cell cycle inhibitors has made great progress in relation to lung cancer. However, the question of what kinds of patients can use cell cycle inhibitors has plagued us. Therefore, seeking an accurate and convenient marker for the abnormal cell cycle in lung cancer is very important. In the present research, we showed that lncRNA HOTAIR is an optimal indicator of cell cycle dysregulation in lung cancer. In the present study, we investigated HOTAIR‐specific expression in lung primary tumor samples by analyzing the TCGA public database and 67 pairs of patients’ tissues collected from our department. Through the TCGA public database KEGG analysis, HOTAIR correlates with the cell cycle pathway. We identified that HOTAIR and its 2 segments, HOTAIR3′ and HOTAIR5′, promote the cell cycle passing through the restriction point during G1‐S phase by regulating the Rb‐E2F pathway and influence non–small‐cell lung cancer cell proliferation, migration and invasion through epithelial‐mesenchymal transition (EMT) and the β‐catenin pathway in vitro and vivo. Finally, we showed that the high expression of HOTAIR was associated with resistance to gefitinib through the dysregulated cell cycle. In conclusion, HOTAIR could be an ideal indicator of cell cycle dysregulation and guide the use of cell cycle inhibitors.
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Affiliation(s)
- Minghui Liu
- Department of Lung Cancer Surgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Hongyi Zhang
- Department of Lung Cancer Surgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Ying Li
- Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital, Tianjin, China
| | - Rui Wang
- Emergency Department, Tianjin Medical University General Hospital, Tianjin, China
| | - Yongwen Li
- Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital, Tianjin, China
| | - Hongbing Zhang
- Department of Lung Cancer Surgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Dian Ren
- Department of Lung Cancer Surgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Hongyu Liu
- Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital, Tianjin, China
| | - Chunsheng Kang
- Key Laboratory of Post-neurotrauma Neuro-repair and Regeneration in Central Nervous System, Tianjin Neurological Institute, Ministry of Education and Tianjin City, Tianjin Medical University General Hospital, Tianjin, China
| | - Jun Chen
- Department of Lung Cancer Surgery, Tianjin Medical University General Hospital, Tianjin, China.,Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital, Tianjin, China
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32
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Bianco A, Malapelle U, Rocco D, Perrotta F, Mazzarella G. Targeting immune checkpoints in non small cell lung cancer. Curr Opin Pharmacol 2018. [DOI: 10.1016/j.coph.2018.02.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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33
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Li X, Zhou X, Fan Y, Zhang Y, Zu L, Yao F, Zhou Q. WW45, a Gli1 binding protein, negatively regulated Hedgehog signaling in lung cancer. Oncotarget 2018; 7:68966-68975. [PMID: 27661123 PMCID: PMC5356604 DOI: 10.18632/oncotarget.12155] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Accepted: 08/26/2016] [Indexed: 02/05/2023] Open
Abstract
Over-expression of Gli1 is very common in lung cancer. However, the underlying molecular mechanism remains largely unknown. Here, using mass spectrum, we have identified WW45 as a binding partner of Gli1. WW45 interacted with Gli1, promoted its ubiquitination and inhibited the expression of its target genes. In the functional studies, WW45 inhibited the growth and migration of lung cancer cells. Knocking down the expression of WW45 promoted the growth and migration of lung cancer cells, which was rescued by down-regulation of Gli1. Moreover, over-expression of WW45 inhibited the tumorigenesis in a de novo lung cancer tumorigenesis mouse model (LKB-Ras) as well as the expression of Gli1. Also over-expression of WW45 improved the survival of these mice. In addition, the expression of WW45 was down-regulated in the clinical lung cancer samples, which was inversely correlated with the expression of Gli1. Taken together, this study demonstrated the suppressive roles of WW45 in lung cancer by inhibiting the Hedgehog/Gli1 signaling.
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Affiliation(s)
- Xuebing Li
- Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Environment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Xuexia Zhou
- Department of Neuropathology, Tianjin Key Laboratory of Injuries, Variations and Regeneration of the Nervous System, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Yaguang Fan
- Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Environment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Yalong Zhang
- Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Environment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Lingling Zu
- Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Environment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Feng Yao
- Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, China
| | - Qinghua Zhou
- Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Environment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital, Tianjin 300052, China.,Sichuan Lung Cancer Institute, Sichuan Lung Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
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34
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Liu M, Xu S, Wang Y, Li Y, Li Y, Zhang H, Liu H, Chen J. PD 0332991, a selective cyclin D kinase 4/6 inhibitor, sensitizes lung cancer cells to treatment with epidermal growth factor receptor tyrosine kinase inhibitors. Oncotarget 2018; 7:84951-84964. [PMID: 27825114 PMCID: PMC5356711 DOI: 10.18632/oncotarget.13069] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Accepted: 09/27/2016] [Indexed: 01/29/2023] Open
Abstract
Acquired resistance to epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs) is a major challenge to targeted therapy for non-small cell lung cancer (NSCLC). We investigated whether a cyclin D kinase 4/6 (CDK4/6) inhibitor, PD 0332991, could reverse EGFR-TKI resistance in human lung cancer cells and explored the underlying mechanisms. We found that PD 0332991 potentiated gefitinib-induced growth inhibition in both EGFR-TKI-sensitive (PC-9) and EGFR-TKI-resistant (PC-9/AB2) cells by down-regulating proliferation and inducing apoptosis and G0/G1 cell cycle arrest. Tumor xenografts were then used to verify the effects of PD 0332991 in vivo. Mice treated with a combination of PD 0332991 and gefitinib had the fastest tumor regression and delayed relapse. Tumors from mice receiving the combination treatment exhibited down-regulated proliferation, up-regulated apoptosis, and less angiogenesis. Finally, lung adenocarcinoma patients with acquired resistance to EGFR-TKIs were given an exploratory treatment of PD 0332991. One patient with gefitinib resistance exhibited clinical remission after treatment with PD 0332991. These findings suggest PD 0332991 reverses acquired EGFR-TKI-resistance in NSCLC cells, and may provide a novel treatment strategy for NSLSC patients with EGFR-TKI resistance.
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Affiliation(s)
- Minghui Liu
- Department of Lung Cancer Surgery, Lung Cancer Institute, Tianjin Medical University General Hospital, 300052, Tianjin, China
| | - Song Xu
- Department of Lung Cancer Surgery, Lung Cancer Institute, Tianjin Medical University General Hospital, 300052, Tianjin, China.,Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital, 300052, Tianjin, China
| | - Yuli Wang
- Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital, 300052, Tianjin, China
| | - Ying Li
- Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital, 300052, Tianjin, China
| | - Yongwen Li
- Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital, 300052, Tianjin, China
| | - Hongbing Zhang
- Department of Lung Cancer Surgery, Lung Cancer Institute, Tianjin Medical University General Hospital, 300052, Tianjin, China
| | - Hongyu Liu
- Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital, 300052, Tianjin, China
| | - Jun Chen
- Department of Lung Cancer Surgery, Lung Cancer Institute, Tianjin Medical University General Hospital, 300052, Tianjin, China.,Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital, 300052, Tianjin, China
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Dong JK, Lei HM, Liang Q, Tang YB, Zhou Y, Wang Y, Zhang S, Li WB, Tong Y, Zhuang G, Zhang L, Chen HZ, Zhu L, Shen Y. Overcoming erlotinib resistance in EGFR mutation-positive lung adenocarcinomas through repression of phosphoglycerate dehydrogenase. Am J Cancer Res 2018; 8:1808-1823. [PMID: 29556358 PMCID: PMC5858502 DOI: 10.7150/thno.23177] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Accepted: 01/09/2018] [Indexed: 01/12/2023] Open
Abstract
How to improve the efficacy and reverse the resistance to epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs), such as erlotinib, remains a major challenge in the targeted therapy of lung adenocarcinoma with EGFR-activating mutation. Phosphoglycerate dehydrogenase (PHGDH) is the key enzyme of de novo serine biosynthesis over-expressed in various types of cancer including lung cancer. Elevated PHGDH expression is correlated with a worse overall survival in clinical lung adenocarcinoma patients. Here we investigated the role of PHGDH in lung adenocarcinoma with the acquisition of resistance to erlotinib. Methods: The necessary genes required for the acquired erlotinib resistance in lung adenocarcinoma cells were screened out by RNA-Seq analysis. Then the protein and mRNA levels of PHGDH were confirmed by immunoblotting and qRT-PCR in the erlotinib resistant cells. The effects of PHGDH inhibition or overexpression on erlotinib resistance were examined using cell culture and tumor xenograft mouse models respectively. To explore mechanism, the ROS level and DNA damage marker, γH2AX, were tested by DCFH-DA staining and immunofluorescence after PHGDH inhibition. Results: We found that PHGDH level was significantly increased in the lung adenocarcinoma PC9ER4 and HCC827ER9 cells that acquired resistance to erlotinib. Perturbation of PHGDH by siPHGDH transfection or NCT-503, a small molecular PHGDH inhibitor, synergistically augmented the tumoricidal effect and restored sensitivity to erlotinib in cell lines and xenografts. Over-expression of PHGDH caused xenografts resistant to erlotinib. Furthermore, multiple DNA damage repair pathways related genes were changed by PHGDH depletion specifically in erlotinib resistant cells. ROS stress and DNA damage marker γH2AX were enhanced by siPHGDH and NCT-503, which was reversed by NAC. Conclusion: Our study indicated that PHGDH inhibition has potential therapeutic value in lung adenocarcinoma with the acquired resistance to EGFR-TKIs.
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Zhao H, Li S, Yang Z, Peng Y, Chen X, Zheng J. Identification of Ketene-Reactive Intermediate of Erlotinib Possibly Responsible for Inactivation of P450 Enzymes. Drug Metab Dispos 2018; 46:442-450. [PMID: 29352069 DOI: 10.1124/dmd.117.079327] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Accepted: 01/17/2018] [Indexed: 02/02/2023] Open
Abstract
Erlotinib (ELT), a tyrosine kinase inhibitor, is widely used for the treatment of nonsmall cell lung cancer in clinic. Unfortunately, severe drug-induced liver injury and other adverse effects occurred during the treatment. Meanwhile, ELT has been reported to be a mechanism-based inactivator of cytochrome P450(CYPs) 3A4 and 3A5. The objectives of this study were to identify ketene intermediate of ELT and investigate the association of the acetylenic bioactivation with the enzyme inactivation caused by ELT. A ketene intermediate was detected in human microsomal incubations of ELT, using 4-bromobenzylamine as a trapping agent. CYPs 3A4 and 3A5 mainly contributed to the bioactivation of ELT. Microsomal incubation study showed that the ketene intermediate covalently modified the enzyme protein at lysine residues and destroyed the structure of heme. The vinyl and ethyl analogs of ELT showed minor enzyme inhibitory effect (less than 20%), whereas ELT inactivated more than 60% of the enzyme. The present study provided a novel bioactivation pathway of ELT and facilitated the understanding of the mechanisms of ELT-induced mechanism-based enzyme inactivation and liver injury.
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Affiliation(s)
- Huimin Zhao
- School of Pharmacy (H.Z., X.C.) and Wuya College of Innovation (S.L., Z.Y., Y.P., J.Z.), Shenyang Pharmaceutical University, Shenyang, Liaoning, People's Republic of China; and State Key Laboratory of Functions and Applications of Medicinal Plants, Key Laboratory of Pharmaceutics of Guizhou Province, Guizhou Medical University, Guiyang, Guizhou, People's Republic of China (J.Z.)
| | - Siyuan Li
- School of Pharmacy (H.Z., X.C.) and Wuya College of Innovation (S.L., Z.Y., Y.P., J.Z.), Shenyang Pharmaceutical University, Shenyang, Liaoning, People's Republic of China; and State Key Laboratory of Functions and Applications of Medicinal Plants, Key Laboratory of Pharmaceutics of Guizhou Province, Guizhou Medical University, Guiyang, Guizhou, People's Republic of China (J.Z.)
| | - Zixin Yang
- School of Pharmacy (H.Z., X.C.) and Wuya College of Innovation (S.L., Z.Y., Y.P., J.Z.), Shenyang Pharmaceutical University, Shenyang, Liaoning, People's Republic of China; and State Key Laboratory of Functions and Applications of Medicinal Plants, Key Laboratory of Pharmaceutics of Guizhou Province, Guizhou Medical University, Guiyang, Guizhou, People's Republic of China (J.Z.)
| | - Ying Peng
- School of Pharmacy (H.Z., X.C.) and Wuya College of Innovation (S.L., Z.Y., Y.P., J.Z.), Shenyang Pharmaceutical University, Shenyang, Liaoning, People's Republic of China; and State Key Laboratory of Functions and Applications of Medicinal Plants, Key Laboratory of Pharmaceutics of Guizhou Province, Guizhou Medical University, Guiyang, Guizhou, People's Republic of China (J.Z.)
| | - Xiaohui Chen
- School of Pharmacy (H.Z., X.C.) and Wuya College of Innovation (S.L., Z.Y., Y.P., J.Z.), Shenyang Pharmaceutical University, Shenyang, Liaoning, People's Republic of China; and State Key Laboratory of Functions and Applications of Medicinal Plants, Key Laboratory of Pharmaceutics of Guizhou Province, Guizhou Medical University, Guiyang, Guizhou, People's Republic of China (J.Z.)
| | - Jiang Zheng
- School of Pharmacy (H.Z., X.C.) and Wuya College of Innovation (S.L., Z.Y., Y.P., J.Z.), Shenyang Pharmaceutical University, Shenyang, Liaoning, People's Republic of China; and State Key Laboratory of Functions and Applications of Medicinal Plants, Key Laboratory of Pharmaceutics of Guizhou Province, Guizhou Medical University, Guiyang, Guizhou, People's Republic of China (J.Z.)
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