1
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Zhang X, Ma W, Xue W, Wang Y, Chen P, Li Q, Li YY, Hu X, Zhao Y, Zhou H. miR-181a plays the tumor-suppressor role in chronic myeloid leukemia CD34 + cells partially via SERPINE1. Cell Mol Life Sci 2023; 81:10. [PMID: 38103082 PMCID: PMC10725356 DOI: 10.1007/s00018-023-05036-8] [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: 07/11/2023] [Revised: 10/07/2023] [Accepted: 11/06/2023] [Indexed: 12/17/2023]
Abstract
The formation of the BCR-ABL fusion gene drives human chronic myeloid leukemia (CML). The last 2 decades have witnessed that specific tyrosine kinase inhibitors (TKIs, e.g., imatinib mesylate, IM) against ABL1 improve disease treatment, although some patients still suffer from relapse and TKI resistance. Therefore, a better understanding of the molecular pathology of CML is still urgently needed. miR-181a-5p (miR-181a) acts as a tumor suppressor in CML; however, the molecular mechanism of miR-181a in CML stem/progenitor cells remains elusive. Herein, we showed that miR-181a inhibited the growth of CML CD34+ cells, including the quiescent subset, and sensitized them to IM treatment, while miR-181a inhibition by a sponge sequence collaborated with BCR-ABL to enhance the growth of normal CD34+ cells. Transcriptome data and biochemical analysis revealed that SERPINE1 was a bona fide and critical target of miR-181a, which deepened the understanding of the regulatory mechanism of SERPINE1. Genetic and pharmacological inhibition of SERPINE1 led to apoptosis mainly mediated by caspase-9 activation. The dual inhibition of SERPINE1 and BCR-ABL exhibited a significantly stronger inhibitory effect than a single agent. Taken together, this study demonstrates that a novel miR-181a/SERPINE1 axis modulates CML stem/progenitor cells, which likely provides an important approach to override TKI resistance.
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Affiliation(s)
- Xiuyan Zhang
- Cyrus Tang Medical Institute, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, 215123, China.
- The First Affiliated Hospital of Soochow University, Key Laboratory of Thrombosis and Hemostasis, Ministry of Health, Suzhou, 215006, China.
| | - Wenjuan Ma
- Cyrus Tang Medical Institute, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, 215123, China
| | - Wen Xue
- Cyrus Tang Medical Institute, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, 215123, China
- The Affiliated Nanhua Hospital, Department of Clinical Research Institute, Hengyang Medical School, University of South China, Hengyang, 421002, China
| | - Yu Wang
- Cyrus Tang Medical Institute, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, 215123, China
- Jianhu Country People's Hospital, Yancheng, 224700, China
| | - Pan Chen
- Cyrus Tang Medical Institute, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, 215123, China
| | - Quanxue Li
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, 200237, China
| | - Yuan-Yuan Li
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, 200237, China
| | - Xiaohui Hu
- The First Affiliated Hospital of Soochow University, Key Laboratory of Thrombosis and Hemostasis, Ministry of Health, Suzhou, 215006, China.
- National Clinical Research Center for Hematologic Diseases, Suzhou, 215006, China.
| | - Yun Zhao
- Cyrus Tang Medical Institute, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, 215123, China.
- National Clinical Research Center for Hematologic Diseases, Suzhou, 215006, China.
- MOE Engineering Center of Hematological Disease, Soochow University, Suzhou, 215123, China.
| | - Haixia Zhou
- The First Affiliated Hospital of Soochow University, Key Laboratory of Thrombosis and Hemostasis, Ministry of Health, Suzhou, 215006, China.
- National Clinical Research Center for Hematologic Diseases, Suzhou, 215006, China.
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2
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Su R, Li C, Wang X, Li Z, Wen Z, Yin Z, Huang G, Liu Y, Yang J, Hu H, Nie H, Zhang K, Fei J. PPFIA1-targeting miR-181a mimic and saRNA overcome imatinib resistance in BCR-ABL1-independent chronic myeloid leukemia by suppressing leukemia stem cell regeneration. MOLECULAR THERAPY. NUCLEIC ACIDS 2023; 32:729-742. [PMID: 37234746 PMCID: PMC10208829 DOI: 10.1016/j.omtn.2023.04.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 04/28/2023] [Indexed: 05/28/2023]
Abstract
A large proportion of patients with chronic myeloid leukemia (CML; 20%-50%) develop resistance to imatinib in a BCR-ABL1-independent manner. Therefore, new therapeutic strategies for use in this subset of imatinib-resistant CML patients are urgently needed. In this study, we used a multi-omics approach to show that PPFIA1 was targeted by miR-181a. We demonstrate that both miR-181a and PPFIA1-siRNA reduced the cell viability and proliferative capacity of CML cells in vitro, as well as prolonged the survival of B-NDG mice harboring human BCR-ABL1-independent imatinib-resistant CML cells. Furthermore, treatment with miR-181a mimic and PPFIA1-siRNA inhibited the self-renewal of c-kit+ and CD34+ leukemic stem cells and promoted their apoptosis. Small activating (sa)RNAs targeting the promoter of miR-181a increased the expression of endogenous primitive miR-181a (pri-miR-181a). Transfection with saRNA 1-3 inhibited the proliferation of imatinib-sensitive and -resistant CML cells. However, only saRNA-3 showed a stronger and more sustained inhibitory effect than the miR-181a mimic. Collectively, these results show that miR-181a and PPFIA1-siRNA may overcome the imatinib resistance of BCR-ABL1-independent CML, partially by inhibiting the self-renewal of leukemia stem cells and promoting their apoptosis. Moreover, exogenous saRNAs represent promising therapeutic agents in the treatment of imatinib-resistant BCR-ABL1-independent CML.
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Affiliation(s)
- Rui Su
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou 510632, China
- Guangdong Engineering Technology Research Center of Drug Development for Small Nucleic Acids, Guangzhou 510632, China
- Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou 510632, China
| | - Chuting Li
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou 510632, China
- Guangdong Engineering Technology Research Center of Drug Development for Small Nucleic Acids, Guangzhou 510632, China
- Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou 510632, China
| | - Xiuyuan Wang
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou 510632, China
- Guangdong Engineering Technology Research Center of Drug Development for Small Nucleic Acids, Guangzhou 510632, China
- Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou 510632, China
| | - Zhendong Li
- Department of General Surgery, The First Affiliated Hospital of Jinan University, Guangzhou 510632, Guangdong, China
| | - Ziqi Wen
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou 510632, China
- Guangdong Engineering Technology Research Center of Drug Development for Small Nucleic Acids, Guangzhou 510632, China
- Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou 510632, China
| | - Zhao Yin
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou 510632, China
- Guangdong Engineering Technology Research Center of Drug Development for Small Nucleic Acids, Guangzhou 510632, China
- Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou 510632, China
| | - Guiping Huang
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou 510632, China
- Guangdong Engineering Technology Research Center of Drug Development for Small Nucleic Acids, Guangzhou 510632, China
- Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou 510632, China
| | - Yanjun Liu
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou 510632, China
- Guangdong Engineering Technology Research Center of Drug Development for Small Nucleic Acids, Guangzhou 510632, China
- Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou 510632, China
| | - Juhua Yang
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou 510632, China
- Guangdong Engineering Technology Research Center of Drug Development for Small Nucleic Acids, Guangzhou 510632, China
- Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou 510632, China
| | - Haiyan Hu
- Clinical Trial Center of Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
- Oncology Department of Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
| | - Hong Nie
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou 510632, China
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Keda Zhang
- College of Pharmacy, Shenzhen Technology University, Shenzhen 518118, China
| | - Jia Fei
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou 510632, China
- Guangdong Engineering Technology Research Center of Drug Development for Small Nucleic Acids, Guangzhou 510632, China
- Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou 510632, China
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3
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Siamoglou S, Boers R, Koromina M, Boers J, Tsironi A, Chatzilygeroudi T, Lazaris V, Verigou E, Kourakli A, van IJcken WFJ, Gribnau J, Symeonidis A, Patrinos GP. Genome-wide analysis toward the epigenetic aetiology of myelodysplastic syndrome disease progression and pharmacoepigenomic basis of hypomethylating agents drug treatment response. Hum Genomics 2023; 17:37. [PMID: 37098643 PMCID: PMC10127336 DOI: 10.1186/s40246-023-00483-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 04/05/2023] [Indexed: 04/27/2023] Open
Abstract
Myelodysplastic syndromes (MDS) consist of a group of hematological malignancies characterized by ineffective hematopoiesis, cytogenetic abnormalities, and often a high risk of transformation to acute myeloid leukemia (AML). So far, there have been only a very limited number of studies assessing the epigenetics component contributing to the pathophysiology of these disorders, but not a single study assessing this at a genome-wide level. Here, we implemented a generic high throughput epigenomics approach, using methylated DNA sequencing (MeD-seq) of LpnPI digested fragments to identify potential epigenomic targets associated with MDS subtypes. Our results highlighted that PCDHG and ZNF gene families harbor potential epigenomic targets, which have been shown to be differentially methylated in a variety of comparisons between different MDS subtypes. Specifically, CpG islands, transcription start sites and post-transcriptional start sites within ZNF124, ZNF497 and PCDHG family are differentially methylated with fold change above 3,5. Overall, these findings highlight important aspects of the epigenomic component of MDS syndromes pathogenesis and the pharmacoepigenomic basis to the hypomethylating agents drug treatment response, while this generic high throughput whole epigenome sequencing approach could be readily implemented to other genetic diseases with a strong epigenetic component.
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Affiliation(s)
- Stavroula Siamoglou
- Laboratory of Pharmacogenomics and Individualized Therapy, Department of Pharmacy, University of Patras, School of Health Sciences, University Campus, 265 04, Rion, Patras, Greece
| | - Ruben Boers
- Department of Developmental Biology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Maria Koromina
- Laboratory of Pharmacogenomics and Individualized Therapy, Department of Pharmacy, University of Patras, School of Health Sciences, University Campus, 265 04, Rion, Patras, Greece
| | - Joachim Boers
- Department of Developmental Biology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Anna Tsironi
- Laboratory of Pharmacogenomics and Individualized Therapy, Department of Pharmacy, University of Patras, School of Health Sciences, University Campus, 265 04, Rion, Patras, Greece
| | - Theodora Chatzilygeroudi
- Hematology Division, Department of Internal Medicine, University of Patras Medical School, Patras, Greece
| | - Vasileios Lazaris
- Hematology Division, Department of Internal Medicine, University of Patras Medical School, Patras, Greece
| | - Evgenia Verigou
- Hematology Division, Department of Internal Medicine, University of Patras Medical School, Patras, Greece
| | - Alexandra Kourakli
- Hematology Division, Department of Internal Medicine, University of Patras Medical School, Patras, Greece
| | | | - Joost Gribnau
- Department of Developmental Biology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Argiris Symeonidis
- Hematology Division, Department of Internal Medicine, University of Patras Medical School, Patras, Greece
| | - George P Patrinos
- Laboratory of Pharmacogenomics and Individualized Therapy, Department of Pharmacy, University of Patras, School of Health Sciences, University Campus, 265 04, Rion, Patras, Greece.
- Department of Genetics and Genomics, United Arab Emirates University, College of Medicine and Health Sciences, Al-Ain, Abu Dhabi, United Arab Emirates.
- Zayed Center for Health Sciences, United Arab Emirates University, Al-Ain, Abu Dhabi, United Arab Emirates.
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4
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The role of microRNAs in the development, progression and drug resistance of chronic myeloid leukemia and their potential clinical significance. Life Sci 2022; 296:120437. [DOI: 10.1016/j.lfs.2022.120437] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 02/15/2022] [Accepted: 02/23/2022] [Indexed: 12/26/2022]
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5
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Dedeoğlu BG, Noyan S. Experimental MicroRNA Targeting Validation. Methods Mol Biol 2022; 2257:79-90. [PMID: 34432274 DOI: 10.1007/978-1-0716-1170-8_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
microRNAs (miRNAs) have recently been recognized as a new dimension of posttranscriptional regulation. It is well defined that most human protein-coding genes are regulated by one or more miRNAs. Therefore, it is crucial to identify genes targeted by the miRNAs to better understand their functions. Although bioinformatics tools have the ability to identify target candidates it is still essential to identify physiological targets by experimental approaches. Currently, the majority of miRNA-target experimental validation approaches assess the changes in target expression in mRNA or protein level upon miRNA upregulation or downregulation. Additionally, finding out direct physical interactions between miRNAs and their targets is also among the experimental techniques. In this chapter we reviewed the existing experimental techniques for miRNA target identification by considering their advantages and potential drawbacks.
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Affiliation(s)
| | - Senem Noyan
- Biotechnology Institute, Ankara University, Ankara, Turkey
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6
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Liu Y, Li C, Su R, Yin Z, Huang G, Yang J, Li Z, Zhang K, Fei J. Targeting SOS1 overcomes imatinib resistance with BCR-ABL independence through uptake transporter SLC22A4 in CML. Mol Ther Oncolytics 2021; 23:560-570. [PMID: 34938856 PMCID: PMC8654699 DOI: 10.1016/j.omto.2021.11.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Accepted: 11/16/2021] [Indexed: 12/28/2022] Open
Abstract
Resistance to the BCR-ABL inhibitor imatinib mesylate poses a major problem for the treatment of chronic myeloid leukemia. Imatinib resistance often results from a secondary mutation in BCR-ABL that interferes with drug binding. However, sometimes there is no mutation in BCR-ABL, and the basis of such BCR-ABL-independent imatinib mesylate resistance remains to be elucidated. SOS1, a guanine nucleotide exchange factor for Ras protein, affects drug sensitivity and resistance to imatinib. The depletion of SOS1 markedly inhibits cell growth either in vitro or in vivo and significantly increases the sensitivity of chronic myeloid leukemia cells to imatinib. Furthermore, LC-MS/MS and RNA-seq assays reveal that SOS1 negatively regulates the expression of SLC22A4, a member of the carnitine/organic cation transporter family, which mediates the active uptake of imatinib into chronic myeloid leukemia cells. HPLC assay confirms that intracellular accumulation of imatinib is accompanied by upregulation of SLC22A4 through SOS1 inhibition in both sensitive and resistant chronic myeloid leukemia cells. BAY-293, an inhibitor of SOS1/Ras, was found to depress proliferation and colony formation in chronic myeloid leukemia cells with resistance and BCR-ABL independence. Altogether these findings indicate that targeting SOS1 inhibition promotes imatinib sensitivity and overcomes resistance with BCR-ABL independence by SLC22A4-mediated uptake transport.
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Affiliation(s)
- Yanjun Liu
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou 510632, China.,Engineering Technology Research Center of Guangdong Province for Small Nucleic Acids Drug Development, Guangzhou 510632, China.,Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou 510632, China
| | - Chuting Li
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou 510632, China.,Engineering Technology Research Center of Guangdong Province for Small Nucleic Acids Drug Development, Guangzhou 510632, China.,Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou 510632, China
| | - Rui Su
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou 510632, China.,Engineering Technology Research Center of Guangdong Province for Small Nucleic Acids Drug Development, Guangzhou 510632, China.,Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou 510632, China
| | - Zhao Yin
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou 510632, China.,Engineering Technology Research Center of Guangdong Province for Small Nucleic Acids Drug Development, Guangzhou 510632, China.,Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou 510632, China
| | - Guiping Huang
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou 510632, China.,Engineering Technology Research Center of Guangdong Province for Small Nucleic Acids Drug Development, Guangzhou 510632, China.,Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou 510632, China
| | - Juhua Yang
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou 510632, China.,Engineering Technology Research Center of Guangdong Province for Small Nucleic Acids Drug Development, Guangzhou 510632, China.,Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou 510632, China
| | - Zhendong Li
- Department of General Surgery, The First Affiliated Hospital of Jinan University, Guangzhou 510632, Guangdong, China
| | - Keda Zhang
- College of Pharmacy, Shenzhen Technology University, Shenzhen 518118, Guangdong, China
| | - Jia Fei
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou 510632, China.,Engineering Technology Research Center of Guangdong Province for Small Nucleic Acids Drug Development, Guangzhou 510632, China.,Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou 510632, China
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7
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Yin Z, Shen H, Gu CM, Zhang MQ, Liu Z, Huang J, Zhu Y, Zhong Q, Huang Y, Wu F, Ou R, Zhang Q, Liu S. MiRNA-142-3P and FUS can be Sponged by Long Noncoding RNA DUBR to Promote Cell Proliferation in Acute Myeloid Leukemia. Front Mol Biosci 2021; 8:754936. [PMID: 34746238 PMCID: PMC8570042 DOI: 10.3389/fmolb.2021.754936] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Accepted: 10/11/2021] [Indexed: 12/23/2022] Open
Abstract
Acute myeloid leukemia (AML) represents a frequently occurring adulthood acute leukemia (AL). Great progresses have been achieved in the treatment of AML, but its pathogenic mechanism remains unclear. This study reported the biological functions of lncRNA DUBR in AML pathogenic mechanism. As a result, lncRNA DUBR showed high expression level within AML, resulting in poor prognosis, especially in M4 AML. In vitro studies elucidated that knockdown of DUBR with small interfering RNA (siRNA) resulted in the suppression of survival and colony formation ability, as well as induction of apoptosis, in AML cells. RNA pull-down assay and computational revealed that DUBR could sponge with miRNA-142-3P and interact with FUS protein. MiRNA-142-3P have a negative correlation with DUBR and overexpression of miRNA-142-3P inhibited cell growth in AML. Meanwhile, DUBR promoted the expression of FUS protein, targeting inhibition of FUS significantly promoted cell apoptosis in AML cell lines. In conclusion, these results revealed new mechanism of lncRNA DUBR in AML malignant behavior, and suggested that the manipulation of DUBR expression could serve as a potential strategy in AML therapy.
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Affiliation(s)
- Zhao Yin
- Department of Hematology, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - HuiJuan Shen
- Department of Hematology, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Chun Ming Gu
- Clinical Department, Guangdong Women and Children Hospital, Guangzhou, China
| | - Ming Qi Zhang
- Guangxi University of Chinese Medicine, Nanning, China
| | - Zhi Liu
- Department of Hematology, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Jing Huang
- Department of Hematology, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Yangmin Zhu
- Department of Hematology, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Qi Zhong
- Department of Hematology, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Yizhen Huang
- Department of Hematology, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Feima Wu
- Department of Hematology, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Ruiming Ou
- Department of Hematology, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Qing Zhang
- Department of Hematology, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Shuang Liu
- Department of Hematology, Guangdong Second Provincial General Hospital, Guangzhou, China
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8
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Liprins in oncogenic signaling and cancer cell adhesion. Oncogene 2021; 40:6406-6416. [PMID: 34654889 PMCID: PMC8602034 DOI: 10.1038/s41388-021-02048-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 09/21/2021] [Accepted: 09/28/2021] [Indexed: 12/30/2022]
Abstract
Liprins are a multifunctional family of scaffold proteins, identified by their involvement in several important neuronal functions related to signaling and organization of synaptic structures. More recently, the knowledge on the liprin family has expanded from neuronal functions to processes relevant to cancer progression, including cell adhesion, cell motility, cancer cell invasion, and signaling. These proteins consist of regions, which by prediction are intrinsically disordered, and may be involved in the assembly of supramolecular structures relevant for their functions. This review summarizes the current understanding of the functions of liprins in different cellular processes, with special emphasis on liprins in tumor progression. The available data indicate that liprins may be potential biomarkers for cancer progression and may have therapeutic importance.
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9
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Current Views on the Interplay between Tyrosine Kinases and Phosphatases in Chronic Myeloid Leukemia. Cancers (Basel) 2021; 13:cancers13102311. [PMID: 34065882 PMCID: PMC8151247 DOI: 10.3390/cancers13102311] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/07/2021] [Accepted: 05/10/2021] [Indexed: 02/07/2023] Open
Abstract
Simple Summary The chromosomal alteration t(9;22) generating the BCR-ABL1 fusion protein represents the principal feature that distinguishes some types of leukemia. An increasing number of articles have focused the attention on the relevance of protein phosphatases and their potential role in the control of BCR-ABL1-dependent or -independent signaling in different areas related to the biology of chronic myeloid leukemia. Herein, we discuss how tyrosine and serine/threonine protein phosphatases may interact with protein kinases, in order to regulate proliferative signal cascades, quiescence and self-renewals on leukemic stem cells, and drug-resistance, indicating how BCR-ABL1 can (directly or indirectly) affect these critical cells behaviors. We provide an updated review of the literature on the function of protein phosphatases and their regulation mechanism in chronic myeloid leukemia. Abstract Chronic myeloid leukemia (CML) is a myeloproliferative disorder characterized by BCR-ABL1 oncogene expression. This dysregulated protein-tyrosine kinase (PTK) is known as the principal driver of the disease and is targeted by tyrosine kinase inhibitors (TKIs). Extensive documentation has elucidated how the transformation of malignant cells is characterized by multiple genetic/epigenetic changes leading to the loss of tumor-suppressor genes function or proto-oncogenes expression. The impairment of adequate levels of substrates phosphorylation, thus affecting the balance PTKs and protein phosphatases (PPs), represents a well-established cellular mechanism to escape from self-limiting signals. In this review, we focus our attention on the characterization of and interactions between PTKs and PPs, emphasizing their biological roles in disease expansion, the regulation of LSCs and TKI resistance. We decided to separate those PPs that have been validated in primary cell models or leukemia mouse models from those whose studies have been performed only in cell lines (and, thus, require validation), as there may be differences in the manner that the associated pathways are modified under these two conditions. This review summarizes the roles of diverse PPs, with hope that better knowledge of the interplay among phosphatases and kinases will eventually result in a better understanding of this disease and contribute to its eradication.
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10
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Fang Y, Long F. Circular RNA circ_0000337 contributes to osteosarcoma via the miR-4458/BACH1 pathway. Cancer Biomark 2021; 28:411-419. [PMID: 32390598 DOI: 10.3233/cbm-190647] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
BACKGROUND As the most prevalent primary bone malignancy in children and adolescents, osteosarcoma (OS) has attracted increasing attention. The role of circRNAs in OS has been elucidated in some reports, but many circRNAs remain unexplored. Circ_0000337 has only been revealed as an oncogenic circRNA in esophageal squamous cell carcinoma. Yet whether circ_0000337 exerts any specific function in OS has not been unmasked. METHODS RT-qPCR was used for measurement of circ_0000337, miR-4458 and BACH1 mRNA levels. Western blot was conducted to detect BACH1 protein. CCK-8 assay, Casepase-3 activity assay and transwell assay were utilized to assess changes on cellular processes. Cytoplasmic/nuclear fractionation assay was conducted for circ_0000337 localization in OS cells. Luciferase reporter assay and RIP assay were performed to validate the interaction between miR-4458 and circ_0000337 or BACH1. RESULTS Circ_0000337 expression was upregulated in OS cell lines and it silence hindered OS cell proliferation and migration. MiR-4458 was downregulated in OS cells and miR-4458 upregulation suppressed OS cell growth and migration. Importantly, circ_0000337 sponged miR-4458 to elevate BACH1 expression, thus facilitating OS development. CONCLUSIONS This research for the first time documented that circ_0000337 promoted OS progression via sponging miR-4458 and thus elevating BACH1 expression, offering rational therapeutic target for OS.
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Affiliation(s)
- Yuan Fang
- Department of Orthopaedics, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Fang Long
- Department of Research and Teaching Department, Hanzhong Central Hospital, Hanzhong, Shaanxi, China
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11
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Xie X, Liang M, Yu C, Wei Z. Liprin-α-Mediated Assemblies and Their Roles in Synapse Formation. Front Cell Dev Biol 2021; 9:653381. [PMID: 33869211 PMCID: PMC8044993 DOI: 10.3389/fcell.2021.653381] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 02/25/2021] [Indexed: 01/20/2023] Open
Abstract
Brain's functions, such as memory and learning, rely on synapses that are highly specialized cellular junctions connecting neurons. Functional synapses orchestrate the assembly of ion channels, receptors, enzymes, and scaffold proteins in both pre- and post-synapse. Liprin-α proteins are master scaffolds in synapses and coordinate various synaptic proteins to assemble large protein complexes. The functions of liprin-αs in synapse formation have been largely uncovered by genetic studies in diverse model systems. Recently, emerging structural and biochemical studies on liprin-α proteins and their binding partners begin to unveil the molecular basis of the synaptic assembly. This review summarizes the recent structural findings on liprin-αs, proposes the assembly mechanism of liprin-α-mediated complexes, and discusses the liprin-α-organized assemblies in the regulation of synapse formation and function.
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Affiliation(s)
- Xingqiao Xie
- Department of Biology, Southern University of Science and Technology, Shenzhen, China
- Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, Shenzhen, China
| | - Mingfu Liang
- Department of Biology, Southern University of Science and Technology, Shenzhen, China
| | - Cong Yu
- Department of Biology, Southern University of Science and Technology, Shenzhen, China
- Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Shenzhen, China
| | - Zhiyi Wei
- Department of Biology, Southern University of Science and Technology, Shenzhen, China
- Brain Research Center, Southern University of Science and Technology, Shenzhen, China
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12
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Yin Z, Huang G, Gu C, Liu Y, Yang J, Fei J. Discovery of Berberine that Targetedly Induces Autophagic Degradation of both BCR-ABL and BCR-ABL T315I through Recruiting LRSAM1 for Overcoming Imatinib Resistance. Clin Cancer Res 2020; 26:4040-4053. [PMID: 32098768 DOI: 10.1158/1078-0432.ccr-19-2460] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 12/03/2019] [Accepted: 02/20/2020] [Indexed: 11/16/2022]
Abstract
PURPOSE Imatinib, the breakpoint cluster region protein (BCR)/Abelson murine leukemia viral oncogene homolog (ABL) inhibitor, is widely used to treat chronic myeloid leukemia (CML). However, imatinib resistance develops in many patients. Therefore, new drugs with improved therapeutic effects are urgently needed. Berberine (BBR) is a potent BCR-ABL inhibitor for imatinib-sensitive and -resistant CML. EXPERIMENTAL DESIGN Protein structure analysis and virtual screening were used to identify BBR targets in CML. Molecular docking analysis, surface plasmon resonance imaging, nuclear magnetic resonance assays, and thermoshift assays were performed to confirm the BBR target. The change in BCR-ABL protein expression after BBR treatment was assessed by Western blotting. The effects of BBR were assessed in vitro in cell lines, in vivo in mice, and in human CML bone marrow cells as a potential strategy to overcome imatinib resistance. RESULTS We discovered that BBR bound to the protein tyrosine kinase domain of BCR-ABL. BBR inhibited the activity of BCR-ABL and BCR-ABL with the T315I mutation, and it also degraded these proteins via the autophagic lysosome pathway by recruiting E3 ubiquitin-protein ligase LRSAM1. BBR inhibited the cell viability and colony formation of CML cells and prolonged survival in CML mouse models with imatinib sensitivity and resistance. CONCLUSIONS The results show that BBR directly binds to and degrades BCR-ABL and BCR-ABL T315I via the autophagic lysosome pathway by recruiting LRSAM1. The use of BBR is a new strategy to improve the treatment of patients with CML with imatinib sensitivity or resistance.See related commentary by Elf, p. 3899.
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Affiliation(s)
- Zhao Yin
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou, China.,Institute of Chinese Integrative Medicine, Medical College of Jinan University, Guangzhou, China.,Engineering Technology Research Center of Drug Development for Small Nucleic Acids, Guangdong, China.,Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou, China
| | - Guiping Huang
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou, China.,Engineering Technology Research Center of Drug Development for Small Nucleic Acids, Guangdong, China.,Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou, China
| | - Chunming Gu
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou, China.,Institute of Chinese Integrative Medicine, Medical College of Jinan University, Guangzhou, China.,Engineering Technology Research Center of Drug Development for Small Nucleic Acids, Guangdong, China.,Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou, China
| | - Yanjun Liu
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou, China.,Engineering Technology Research Center of Drug Development for Small Nucleic Acids, Guangdong, China.,Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou, China
| | - Juhua Yang
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou, China.,Engineering Technology Research Center of Drug Development for Small Nucleic Acids, Guangdong, China.,Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou, China
| | - Jia Fei
- Department of Biochemistry and Molecular Biology, Medical College of Jinan University, Guangzhou, China. .,Institute of Chinese Integrative Medicine, Medical College of Jinan University, Guangzhou, China.,Engineering Technology Research Center of Drug Development for Small Nucleic Acids, Guangdong, China.,Antisense Biopharmaceutical Technology Co., Ltd., Guangzhou, China
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13
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Che H, Ding H, Jia X. circ_0080145 Enhances Imatinib Resistance of Chronic Myeloid Leukemia by Regulating miR-326/ PPFIA1 Axis. Cancer Biother Radiopharm 2020:cbr.2020.3600. [PMID: 32598170 DOI: 10.1089/cbr.2020.3600] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Background: Acquired multidrug resistance is often blamed for the failure of chemotherapy in patients with malignant tumors, including chronic myeloid leukemia (CML). In this study, the authors investigated the role of circular RNA 0080145 (circ_0080145) in imatinib (IM) resistance of CML. Materials and Methods: Quantitative real-time polymerase chain reaction was applied to measure the expression of circ_0080145, microRNA-326 (miR-326), and PTPRF interacting protein alpha 1 (PPFIA1) mRNA. 3-(4, 5-dimethyl-2-thiazolyl)-2, 5-diphenyl-2-H-tetrazolium bromide (MTT) assay was used to determine the half maximal inhibitory concentration (IC50) of IM and cell proliferation. Flow cytometry analysis was utilized to assess cell apoptosis. The levels of glucose uptake and lactate production were examined using specific kits. Protein levels were detected through western blot assay. The targeting relationship between miR-326 and circ_0080145 or PPFIA1 was verified by dual-luciferase reporter assay. The murine xenograft model was constructed to investigate the effect of circ_0080145 in vivo. Results: circ_0080145 was upregulated in IM-resistant CML patients and cells. circ_0080145 silencing suppressed IM resistance, cell growth, and glycolysis and induced apoptosis in IM-resistant CML cells in vitro. Moreover, circ_0080145 knockdown blocked tumor growth and IM resistance in vivo. miR-326 was a target of circ_0080145, and miR-326 inhibition restored the effects of circ_0080145 silencing on cell progression and IM resistance. In addition, PPFIA1 was a target gene of miR-326. The suppressive roles in IM resistance, cell growth and glycolysis, and the promotional role in apoptosis mediated by miR-326 were abolished by PPFIA1 overexpression in IM-resistant CML cells. Conclusion: circ_0080145 contributes to IM resistance via modulating miR-326/PPFIA1 axis, which might provide a novel avenue for CML therapy.
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Affiliation(s)
- Hong Che
- Department of Hematology, Affiliated to Qingdao University Yuhuangding Hospital of Yantai, Shandong, China
| | - Hong Ding
- Department of Hematology, Affiliated to Qingdao University Yuhuangding Hospital of Yantai, Shandong, China
| | - Xizhen Jia
- Department of Operation Room, Affiliated to Qingdao University Yuhuangding Hospital of Yantai, Shandong, China
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14
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Yan M, Liu Z, Xu K, Wang W, Fan L, Gong H. WSV152 induces apoptosis and promotes viral replication in Litopenaeus vannamei. FISH & SHELLFISH IMMUNOLOGY 2020; 98:255-261. [PMID: 31945486 DOI: 10.1016/j.fsi.2020.01.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 01/05/2020] [Accepted: 01/12/2020] [Indexed: 06/10/2023]
Abstract
Previous studies have indicated that white spot syndrome virus (WSSV) infection induces apoptosis in many shrimp organs. However, the mechanism by which WSSV causes host apoptosis remains largely unknown. In this study, we demonstrated the function of wsv152, the first mitochondrial protein identified as encoded by WSSV. Glutathione S-transferase pulldown and co-immunoprecipitation analysis revealed that wsv152 interacts with the shrimp mitochondrial protein cytochrome c oxidase 5a (COX5a), a subunit of the COX complex. We also found that wsv152 expression significantly increased the rate of apoptosis, suggesting a role of wsv152 in WSSV-induced apoptosis in shrimp. Knockdown of wsv152 in vivo led to downregulation of several apoptosis-related shrimp genes, including cytochrome c, apoptosis-inducing factor and caspase-3. Suppression of wsv152 also resulted in significant reductions in the number of WSSV genome copies in tissues and in the mortality of WSSV-infected shrimp. Together, these results suggest that wsv152 targets host COX5a and is associated with the expression profiles of apoptosis-related shrimp genes. Wsv152 is likely also involved in WSSV-induced apoptosis, thereby facilitating virus infection and playing a complex role in WSSV pathogenesis.
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Affiliation(s)
- Muting Yan
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China
| | - Zhihao Liu
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China
| | - Kaihang Xu
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China
| | - Wenjing Wang
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China
| | - Lanfen Fan
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China.
| | - Han Gong
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China.
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