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Xu X, Li Y, Xu R, Meng Y, Li Z, Zuo D, Wu Y. CD74-ROS1 L2026M mutant enhances autophagy through the MEK/ERK pathway to promote invasion, metastasis and crizotinib resistance in non-small cell lung cancer cells. FEBS J 2024; 291:1199-1219. [PMID: 38148635 DOI: 10.1111/febs.17032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 11/09/2023] [Accepted: 12/11/2023] [Indexed: 12/28/2023]
Abstract
The treatment of non-small cell lung cancer (NSCLC) patients harboring a proto-oncogene tyrosine-protein kinase c-ros oncogene 1 (ROS1) fusion gene has greatly benefited from the use of crizotinib. However, drug resistance inevitably occurs after 1 year of treatment. Clinical studies have shown that patients with an L2026M mutation in the ROS1 kinase domain account for about 6% of the total number of crizotinib-resistant cases, which is an important group that cannot be ignored. To explore the mechanism involved, we constructed the HLA class II histocompatibility antigen gamma chain (CD74)-ROS1 L2026M mutant gene by fusion polymerase chain reaction (PCR) and transfected it into H460 and A549 cells. We found that the invasion and metastasis abilities of drug-resistant cells were increased. The results of monodansylcadaverine (MDC) staining, Acridine orange (AO) staining, and western blot indicated that the autophagy level of CD74-ROS1 L2026M mutant NSCLC cells was increased compared with the CD74-ROS1 group, and the inhibition of autophagy could reverse the increased invasion and metastasis abilities caused by the L2026M mutation. In addition, the L2026M mutation led to excessive activation of the MEK/ERK pathway, and MEK inhibitors could reduce the autophagy level, invasion, and metastasis abilities of cells; additionally, this process could be blocked by rapamycin, an activator of autophagy. Furthermore, crizotinib treatment activated expression of Src homology region 2 domain-containing phosphatase-2 (SHP2; also known as PTPN11) to upregulate the MEK/ERK pathway, and the combination of MEK inhibitors and crizotinib increased apoptosis compared with crizotinib alone. In conclusion, our results indicate that the MEK/ERK pathway mediates the induction of invasion, metastasis, and crizotinib resistance through autophagy caused by CD74-ROS1 L2026M mutation in NSCLC cells, and targeting MEK could reverse these processes.
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Affiliation(s)
- Xiaobo Xu
- Department of Pharmacology, Shenyang Pharmaceutical University, China
| | - Ye Li
- Department of Pharmacology, Shenyang Pharmaceutical University, China
| | - Rui Xu
- Department of Pharmacology, Shenyang Pharmaceutical University, China
| | - Yuting Meng
- Department of Pharmacology, Shenyang Pharmaceutical University, China
| | - Zengqiang Li
- Department of Pharmacology, Shenyang Pharmaceutical University, China
| | - Daiying Zuo
- Department of Pharmacology, Shenyang Pharmaceutical University, China
| | - Yingliang Wu
- Department of Pharmacology, Shenyang Pharmaceutical University, China
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2
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Zhao B, Che H, Li L, Hu L, Yi W, Xiao L, Liu S, Hou Z. Asperuloside regulates the proliferation, apoptosis, and differentiation of chronic myeloid leukemia cell line K562 through the RAS/MEK/ERK pathway. Heliyon 2024; 10:e23580. [PMID: 38226258 PMCID: PMC10788273 DOI: 10.1016/j.heliyon.2023.e23580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Revised: 12/06/2023] [Accepted: 12/06/2023] [Indexed: 01/17/2024] Open
Abstract
Context Chronic myeloid leukemia (CML) is a malignant hematopoietic stem cell disease caused by excessive proliferation and abnormal differentiation of hematopoietic stem cells. Asperuloside (ASP) is considered to have good biological activity and may be a good anti-CML drug. Objective This study aimed to explore the effects and possible mechanisms of ASP on the biological behavior of K562 cells based on RNA-seq. Materials and methods The IC50 of ASP in K562 cells was calculated by the concentration-effect curve. Cell viability, apoptosis, and differentiation were detected by CCK8, flow cytometry, benzidine staining, and WB analysis, respectively. Further, RNA-seq was used to analyze the possible mechanism of ASP regulating K562 cells. Results ASP significantly inhibited the proliferation, and promoted apoptosis and differentiation of K562 cells. A total of 117 differentially expressed genes were screened by RNA-seq, mainly involved in the RAS/MEK/ERK pathway. PD98059 was used to inhibit the RAS/MEK/ERK pathway in K562 cells, and results confirmed that PD98059 could not only inhibit the RAS/MEK/ERK pathway, but also inhibit the regulation of ASP on the proliferation and differentiation of K562 cells. Conclusion ASP inhibited the proliferation, promoted apoptosis and differentiation of K562 cells by regulating the RAS/MEK/ERK pathway, and played a good anti-CML role.
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Affiliation(s)
| | | | - Linlin Li
- Department of Hematology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, China
| | - Lian Hu
- Department of Hematology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, China
| | - Wenjing Yi
- Department of Hematology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, China
| | - Li Xiao
- Department of Hematology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, China
| | - Songshan Liu
- Department of Hematology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, China
| | - Zhufa Hou
- Department of Hematology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, China
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Chen J, Farraj RA, Limonta D, Tabatabaei Dakhili SA, Kerek EM, Bhattacharya A, Reformat FM, Mabrouk OM, Brigant B, Pfeifer TA, McDermott MT, Ussher JR, Hobman TC, Glover JNM, Hubbard BP. Reversible and irreversible inhibitors of coronavirus Nsp15 endoribonuclease. J Biol Chem 2023; 299:105341. [PMID: 37832873 PMCID: PMC10656235 DOI: 10.1016/j.jbc.2023.105341] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 10/04/2023] [Accepted: 10/07/2023] [Indexed: 10/15/2023] Open
Abstract
The emergence of severe acute respiratory syndrome coronavirus 2, the causative agent of coronavirus disease 2019, has resulted in the largest pandemic in recent history. Current therapeutic strategies to mitigate this disease have focused on the development of vaccines and on drugs that inhibit the viral 3CL protease or RNA-dependent RNA polymerase enzymes. A less-explored and potentially complementary drug target is Nsp15, a uracil-specific RNA endonuclease that shields coronaviruses and other nidoviruses from mammalian innate immune defenses. Here, we perform a high-throughput screen of over 100,000 small molecules to identify Nsp15 inhibitors. We characterize the potency, mechanism, selectivity, and predicted binding mode of five lead compounds. We show that one of these, IPA-3, is an irreversible inhibitor that might act via covalent modification of Cys residues within Nsp15. Moreover, we demonstrate that three of these inhibitors (hexachlorophene, IPA-3, and CID5675221) block severe acute respiratory syndrome coronavirus 2 replication in cells at subtoxic doses. This study provides a pipeline for the identification of Nsp15 inhibitors and pinpoints lead compounds for further development against coronavirus disease 2019 and related coronavirus infections.
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Affiliation(s)
- Jerry Chen
- Department of Pharmacology, University of Alberta, Edmonton, Alberta, Canada
| | - Rabih Abou Farraj
- Department of Biochemistry, University of Alberta, Edmonton, Alberta, Canada
| | - Daniel Limonta
- Department of Cell Biology, Li Ka Shing Institute of Virology, University of Alberta, Edmonton, Alberta, Canada; Quantitative Biosciences Institute (QBI), University of California San Francisco, San Francisco, California, USA; Gladstone Institute of Data Science and Biotechnology, Gladstone Institutes, San Francisco, California, USA
| | | | - Evan M Kerek
- Department of Pharmacology, University of Alberta, Edmonton, Alberta, Canada
| | - Ashim Bhattacharya
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada
| | - Filip M Reformat
- Department of Pharmacology, University of Alberta, Edmonton, Alberta, Canada
| | - Ola M Mabrouk
- Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada
| | - Benjamin Brigant
- Department of Pharmacology, University of Alberta, Edmonton, Alberta, Canada; Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
| | - Tom A Pfeifer
- High Throughput Biology Facility, Life Sciences Institute, University of British Columbia, Vancouver, British Columbia, Canada
| | - Mark T McDermott
- Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada
| | - John R Ussher
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Tom C Hobman
- Department of Cell Biology, Li Ka Shing Institute of Virology, University of Alberta, Edmonton, Alberta, Canada
| | - J N Mark Glover
- Department of Biochemistry, University of Alberta, Edmonton, Alberta, Canada
| | - Basil P Hubbard
- Department of Pharmacology, University of Alberta, Edmonton, Alberta, Canada; Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada.
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4
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Zheng K, Guo Y, Hu X, Yu Y, Chen J, Su J, Lian W, Wu X, Meng X. Simultaneous detection of four pesticides in agricultural products by a modified QuEChERS method and LC-MS/MS. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2023; 58:150-157. [PMID: 36728597 DOI: 10.1080/03601234.2023.2173926] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
A modified QuEChERS pretreatment method and LC-MS/MS technique were performed to simultaneously determine four pesticide (Hexachlorophene, Dinex, Dinosam, Dinoterb) residues in agricultural products. Through the optimization of LC-MS/MS detection parameters in SIM mode, the optimal instrument conditions are obtained. The modified QuEChERS method was used to pretreat the samples. Solid phase extractants PSA, C18 and GCB were used for sample purification. The research results showed that the correlation coefficients of the four pesticides were all greater than 0.991, which had a good linear relationship. The limits of quantitation (LOQ) of the four pesticides were 0.05-0.56 μg/kg. The recoveries were 70.51-113.20% with relative standard deviations (RSDS) of 1.6-11.2%. The developed method can provide reliable data support for the subsequent simultaneous detection of these four pesticides.
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Affiliation(s)
- Kunming Zheng
- Fujian CCIC-Fairreach Food Safety Testing Co., Ltd, Fuzhou, China
| | - Yuanjun Guo
- College of Biological and Environmental Engineering, Jingdezhen University, Jingdezhen, China
| | - Xunke Hu
- The Second People's Hospital of Jingdezhen, Jingdezhen, China
| | - Yaping Yu
- The Second People's Hospital of Jingdezhen, Jingdezhen, China
| | - Jinxing Chen
- Fujian CCIC-Fairreach Food Safety Testing Co., Ltd, Fuzhou, China
| | - Jianfeng Su
- Fujian CCIC-Fairreach Food Safety Testing Co., Ltd, Fuzhou, China
| | - Wenhao Lian
- Fujian CCIC-Fairreach Food Safety Testing Co., Ltd, Fuzhou, China
| | - Xiaoping Wu
- Fujian CCIC-Fairreach Food Safety Testing Co., Ltd, Fuzhou, China
| | - Xingang Meng
- College of Biological and Environmental Engineering, Jingdezhen University, Jingdezhen, China
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5
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Yan H, Jiang M, Yang F, Tang X, Lin M, Zhou C, Tan Y, Liu D. Ajuforrestin A, an Abietane Diterpenoid from Ajuga ovalifolia var. calanthe, Induces A549 Cell Apoptosis by Targeting SHP2. Molecules 2022; 27:molecules27175469. [PMID: 36080236 PMCID: PMC9457730 DOI: 10.3390/molecules27175469] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/16/2022] [Accepted: 08/22/2022] [Indexed: 11/16/2022] Open
Abstract
The Src-homology 2 domain-containing phosphatase 2 (SHP2), which is encoded by PTPN11, participates in many cellular signaling pathways and is closely related to various tumorigenesis. Inhibition of the abnormal activity of SHP2 by small molecules is an important part of cancer treatment. Here, three abietane diterpenoids, named compounds 1–3, were isolated from Ajuga ovalifolia var. calantha. Spectroscopic analysis was used to identify the exact structure of the compounds. The enzymatic kinetic experiment and the cellular thermal shift assay showed compound 2 selectively inhibited SHP2 activity in vitro. Molecular docking indicated compound 2 targeted the SHP2 catalytic domain. The predicted pharmacokinetic properties by SwissADME revealed that compound 2 passed the majority of the parameters of common drug discovery rules. Compound 2 restrained A549 proliferation (IC50 = 8.68 ± 0.96 μM), invasion and caused A549 cell apoptosis by inhibiting the SHP2–ERK/AKT signaling pathway. Finally, compound 2 (Ajuforrestin A) is a potent and efficacious SHP2 inhibitor and may be a promising compound for human lung epithelial cancer treatment.
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Affiliation(s)
- Hongling Yan
- Key Laboratory of Southwestern Chinese Medicine Resources, Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Miao Jiang
- Key Laboratory of Southwestern Chinese Medicine Resources, Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Fujin Yang
- Chongqing Clinical Research Center for Dermatology, Department of Dermatology, Chongqing Traditional Chinese Medicine Hospital, Chongqing 400011, China
- Chongqing Key Laboratory of Integrative Dermatology Research, Department of Dermatology, Chongqing Traditional Chinese Medicine Hospital, Chongqing 400011, China
- Key Laboratory of External Therapies of Traditional Chinese Medicine in Eczema, Department of Dermatology, Chongqing Traditional Chinese Medicine Hospital, Chongqing 400011, China
| | - Xueyong Tang
- Chongqing Clinical Research Center for Dermatology, Department of Dermatology, Chongqing Traditional Chinese Medicine Hospital, Chongqing 400011, China
- Chongqing Key Laboratory of Integrative Dermatology Research, Department of Dermatology, Chongqing Traditional Chinese Medicine Hospital, Chongqing 400011, China
- Key Laboratory of External Therapies of Traditional Chinese Medicine in Eczema, Department of Dermatology, Chongqing Traditional Chinese Medicine Hospital, Chongqing 400011, China
| | - Mao Lin
- Chongqing Clinical Research Center for Dermatology, Department of Dermatology, Chongqing Traditional Chinese Medicine Hospital, Chongqing 400011, China
- Chongqing Key Laboratory of Integrative Dermatology Research, Department of Dermatology, Chongqing Traditional Chinese Medicine Hospital, Chongqing 400011, China
- Key Laboratory of External Therapies of Traditional Chinese Medicine in Eczema, Department of Dermatology, Chongqing Traditional Chinese Medicine Hospital, Chongqing 400011, China
| | - Chunyan Zhou
- General Surgery, Chongqing Traditional Chinese Medicine Hospital, Chongqing 400021, China
- Correspondence: (C.Z.); (Y.T.); (D.L.)
| | - Yuzhu Tan
- Key Laboratory of Southwestern Chinese Medicine Resources, Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
- Correspondence: (C.Z.); (Y.T.); (D.L.)
| | - Deming Liu
- Chongqing Clinical Research Center for Dermatology, Department of Dermatology, Chongqing Traditional Chinese Medicine Hospital, Chongqing 400011, China
- Chongqing Key Laboratory of Integrative Dermatology Research, Department of Dermatology, Chongqing Traditional Chinese Medicine Hospital, Chongqing 400011, China
- Key Laboratory of External Therapies of Traditional Chinese Medicine in Eczema, Department of Dermatology, Chongqing Traditional Chinese Medicine Hospital, Chongqing 400011, China
- Correspondence: (C.Z.); (Y.T.); (D.L.)
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