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Lu F, Yao LP, Gao DD, Alinejad T, Jiang XQ, Wu Q, Zhai QC, Liu M, Zhu SM, Qian MX, Xu LF, Chen CS, Zhang F. MicroRNA-377-3p exacerbates chronic obstructive pulmonary disease through suppressing ZFP36L1 expression and inducing lung fibroblast senescence. Respir Res 2024; 25:67. [PMID: 38317146 PMCID: PMC10840170 DOI: 10.1186/s12931-024-02696-3] [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: 10/17/2023] [Accepted: 01/21/2024] [Indexed: 02/07/2024] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a leading aging related cause of global mortality. Small airway narrowing is recognized as an early and significant factor for COPD development. Senescent fibroblasts were observed to accumulate in lung of COPD patients and promote COPD progression through aberrant extracellular matrix (ECM) deposition and senescence-associated secretory phenotype (SASP). On the basis of our previous study, we further investigated the the causes for the increased levels of miR-377-3p in the blood of COPD patients, as well as its regulatory function in the pathological progression of COPD. We found that the majority of up-regulated miR-377-3p was localized in lung fibroblasts. Inhibition of miR-377-3p improved chronic smoking-induced COPD in mice. Mechanistically, miR-377-3p promoted senescence of lung fibroblasts, while knockdown of miR-377-3p attenuated bleomycin-induced senescence in lung fibroblasts. We also identified ZFP36L1 as a direct target for miR-377-3p that likely mediated its pro senescence activity in lung fibroblasts. Our data reveal that miR-377-3p is crucial for COPD pathogenesis, and may serve as a potential target for COPD therapy.
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Affiliation(s)
- Fang Lu
- Department of Respiratory and Critical Care, Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou, 324000, China
| | - Li-Peng Yao
- Wenzhou Medical University, Wenzhou, 325035, China
- Ningbo College of Health Sciences, Ningbo, 315000, China
| | - Dan-Dan Gao
- Wenzhou Medical University, Wenzhou, 325035, China
- Joint Innovation Center for Engineering in Medicine, Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou, 324000, China
| | - Tahereh Alinejad
- The Key Laboratory of Interventional Pulmonology of Zhejiang Province, Department of Pulmonary and Critical Care Medicine, Centre of Precision Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325015, China
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision, and Brain Health), School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325015, China
| | - Xin-Qing Jiang
- Zhejiang Chinese Medical University the 2 nd Clinical Medical College, Hangzhou, 310053, China
| | - Qi Wu
- Joint Innovation Center for Engineering in Medicine, Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou, 324000, China
| | - Qiao-Cheng Zhai
- Joint Innovation Center for Engineering in Medicine, Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou, 324000, China
| | - Ming Liu
- Joint Innovation Center for Engineering in Medicine, Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou, 324000, China
| | - Sheng-Mei Zhu
- Joint Innovation Center for Engineering in Medicine, Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou, 324000, China
| | - Mao-Xiang Qian
- Joint Innovation Center for Engineering in Medicine, Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou, 324000, China
- Institute of Pediatrics, Department of Hematology and Oncology, Institutes of Biomedical Sciences, National Children's Medical Center, Children's Hospital of Fudan University, Fudan University, Shanghai, 200032, China
| | - Li-Feng Xu
- Joint Innovation Center for Engineering in Medicine, Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou, 324000, China.
| | - Cheng-Shui Chen
- Department of Respiratory and Critical Care, Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou, 324000, China.
- The Key Laboratory of Interventional Pulmonology of Zhejiang Province, Department of Pulmonary and Critical Care Medicine, Centre of Precision Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325015, China.
| | - Feng Zhang
- Joint Innovation Center for Engineering in Medicine, Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou, 324000, China.
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Podszywalow-Bartnicka P, Neugebauer KM. Multiple roles for AU-rich RNA binding proteins in the development of haematologic malignancies and their resistance to chemotherapy. RNA Biol 2024; 21:1-17. [PMID: 38798162 PMCID: PMC11135835 DOI: 10.1080/15476286.2024.2346688] [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] [Accepted: 04/08/2024] [Indexed: 05/29/2024] Open
Abstract
Post-transcriptional regulation by RNA binding proteins can determine gene expression levels and drive changes in cancer cell proteomes. Identifying mechanisms of protein-RNA binding, including preferred sequence motifs bound in vivo, provides insights into protein-RNA networks and how they impact mRNA structure, function, and stability. In this review, we will focus on proteins that bind to AU-rich elements (AREs) in nascent or mature mRNA where they play roles in response to stresses encountered by cancer cells. ARE-binding proteins (ARE-BPs) specifically impact alternative splicing, stability, decay and translation, and formation of RNA-rich biomolecular condensates like cytoplasmic stress granules (SGs). For example, recent findings highlight the role of ARE-BPs - like TIAR and HUR - in chemotherapy resistance and in translational regulation of mRNAs encoding pro-inflammatory cytokines. We will discuss emerging evidence that different modes of ARE-BP activity impact leukaemia and lymphoma development, progression, adaptation to microenvironment and chemotherapy resistance.
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Affiliation(s)
- Paulina Podszywalow-Bartnicka
- Department of Molecular Biophysics and Biochemistry, Yale School of Medicine, New Haven, CT, USA
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
| | - Karla M. Neugebauer
- Department of Molecular Biophysics and Biochemistry, Yale School of Medicine, New Haven, CT, USA
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Kaehler M, Osteresch P, Künstner A, Vieth SJ, Esser D, Möller M, Busch H, Vater I, Spielmann M, Cascorbi I, Nagel I. Clonal evolution in tyrosine kinase inhibitor-resistance: lessons from in vitro-models. Front Oncol 2023; 13:1200897. [PMID: 37384296 PMCID: PMC10294234 DOI: 10.3389/fonc.2023.1200897] [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: 04/05/2023] [Accepted: 05/24/2023] [Indexed: 06/30/2023] Open
Abstract
Introduction Resistance in anti-cancer treatment is a result of clonal evolution and clonal selection. In chronic myeloid leukemia (CML), the hematopoietic neoplasm is predominantly caused by the formation of the BCR::ABL1 kinase. Evidently, treatment with tyrosine kinase inhibitors (TKIs) is tremendously successful. It has become the role model of targeted therapy. However, therapy resistance to TKIs leads to loss of molecular remission in about 25% of CML patients being partially due to BCR::ABL1 kinase mutations, while for the remaining cases, various other mechanisms are discussed. Methods Here, we established an in vitro-TKI resistance model against the TKIs imatinib and nilotinib and performed exome sequencing. Results In this model, acquired sequence variants in NRAS, KRAS, PTPN11, and PDGFRB were identified in TKI resistance. The well-known pathogenic NRAS p.(Gln61Lys) variant provided a strong benefit for CML cells under TKI exposure visible by increased cell number (6.2-fold, p < 0.001) and decreased apoptosis (-25%, p < 0.001), proving the functionality of our approach. The transfection of PTPN11 p.(Tyr279Cys) led to increased cell number (1.7-fold, p = 0.03) and proliferation (2.0-fold, p < 0.001) under imatinib treatment. Discussion Our data demonstrate that our in vitro-model can be used to study the effect of specific variants on TKI resistance and to identify new driver mutations and genes playing a role in TKI resistance. The established pipeline can be used to study candidates acquired in TKI-resistant patients, thereby providing new options for the development of new therapy strategies to overcome resistance.
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Affiliation(s)
- Meike Kaehler
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Pia Osteresch
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Axel Künstner
- Medical Systems Biology Group, University of Lübeck, Lübeck, Germany
- Institute of Cardiogenetics, University of Lübeck, Lübeck, Germany
| | - Stella Juliane Vieth
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Daniela Esser
- Institute of Clinical Chemistry, University Hospital Schleswig-Holstein, Kiel, Germany
| | - Marius Möller
- Medical Systems Biology Group, University of Lübeck, Lübeck, Germany
- Institute of Cardiogenetics, University of Lübeck, Lübeck, Germany
| | - Hauke Busch
- Medical Systems Biology Group, University of Lübeck, Lübeck, Germany
- Institute of Cardiogenetics, University of Lübeck, Lübeck, Germany
| | - Inga Vater
- Institute of Human Genetics, University Hospital Schleswig-Holstein, Kiel, Germany
| | - Malte Spielmann
- Institute of Human Genetics, University Hospital Schleswig-Holstein, Kiel, Germany
- Institute of Human Genetics, University Hospital Schleswig-Holstein, Lübeck, Germany
| | - Ingolf Cascorbi
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Inga Nagel
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
- Institute of Human Genetics, University Hospital Schleswig-Holstein, Kiel, Germany
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Kaehler M, Litterst M, Kolarova J, Böhm R, Bruckmueller H, Ammerpohl O, Cascorbi I, Nagel I. Genome‑wide expression and methylation analyses reveal aberrant cell adhesion signaling in tyrosine kinase inhibitor‑resistant CML cells. Oncol Rep 2022; 48:144. [PMID: 35730629 PMCID: PMC9245083 DOI: 10.3892/or.2022.8355] [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: 03/24/2022] [Accepted: 06/06/2022] [Indexed: 11/15/2022] Open
Abstract
Although chronic myeloid leukemia (CML) can be effectively treated using BCR-ABL1 kinase inhibitors, resistance due to kinase alterations or to BCR-ABL1 independent mechanisms remain a therapeutic challenge. For the latter, the underlying mechanisms are widely discussed; for instance, gene expression changes, epigenetic factors and alternative signaling pathway activation. In the present study, in vitro-CML cell models of resistance against the tyrosine kinase inhibitors (TKIs) imatinib (0.5 and 2 µM) and nilotinib (0.1 µM) with biological replicates were generated to identify novel mechanisms of resistance. Subsequently, genome-wide mRNA expression and DNA methylation were analyzed. While mRNA expression patterns differed largely between biological replicates, there was an overlap of 71 genes differentially expressed between cells resistant against imatinib or nilotinib. Moreover, all TKI resistant cell lines demonstrated a slight hypermethylation compared with native cells. In a combined analysis of 151 genes differentially expressed in the biological replicates of imatinib resistance, cell adhesion signaling, in particular the cellular matrix protein fibronectin 1 (FN1), was significantly dysregulated. This gene was also downregulated in nilotinib resistance. Further analyses showed significant FN1-downregulation in imatinib resistance on mRNA (P<0.001) and protein level (P<0.001). SiRNA-mediated FN1-knockdown in native cells reduced cell adhesion (P=0.02), decreased imatinib susceptibility visible by higher Ki-67 expression (1.5-fold, P=0.04) and increased cell number (1.5-fold, P=0.03). Vice versa, recovery of FN1-expression in imatinib resistant cells was sufficient to partially restore the response to imatinib. Overall, these results suggested a role of cell adhesion signaling and fibronectin 1 in TKI resistant CML and a potential target for novel strategies in treatment of resistant CML.
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Affiliation(s)
- Meike Kaehler
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig‑Holstein, Campus Kiel, D-24105 Kiel, Germany
| | - Merit Litterst
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig‑Holstein, Campus Kiel, D-24105 Kiel, Germany
| | - Julia Kolarova
- Institute of Human Genetics, Ulm University and Ulm Medical Center, D-89081 Ulm, Germany
| | - Ruwen Böhm
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig‑Holstein, Campus Kiel, D-24105 Kiel, Germany
| | - Henrike Bruckmueller
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig‑Holstein, Campus Kiel, D-24105 Kiel, Germany
| | - Ole Ammerpohl
- Institute of Human Genetics, Ulm University and Ulm Medical Center, D-89081 Ulm, Germany
| | - Ingolf Cascorbi
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig‑Holstein, Campus Kiel, D-24105 Kiel, Germany
| | - Inga Nagel
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig‑Holstein, Campus Kiel, D-24105 Kiel, Germany
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AU-Rich Element RNA Binding Proteins: At the Crossroads of Post-Transcriptional Regulation and Genome Integrity. Int J Mol Sci 2021; 23:ijms23010096. [PMID: 35008519 PMCID: PMC8744917 DOI: 10.3390/ijms23010096] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/17/2021] [Accepted: 12/18/2021] [Indexed: 12/14/2022] Open
Abstract
Genome integrity must be tightly preserved to ensure cellular survival and to deter the genesis of disease. Endogenous and exogenous stressors that impose threats to genomic stability through DNA damage are counteracted by a tightly regulated DNA damage response (DDR). RNA binding proteins (RBPs) are emerging as regulators and mediators of diverse biological processes. Specifically, RBPs that bind to adenine uridine (AU)-rich elements (AREs) in the 3' untranslated region (UTR) of mRNAs (AU-RBPs) have emerged as key players in regulating the DDR and preserving genome integrity. Here we review eight established AU-RBPs (AUF1, HuR, KHSRP, TIA-1, TIAR, ZFP36, ZFP36L1, ZFP36L2) and their ability to maintain genome integrity through various interactions. We have reviewed canonical roles of AU-RBPs in regulating the fate of mRNA transcripts encoding DDR genes at multiple post-transcriptional levels. We have also attempted to shed light on non-canonical roles of AU-RBPs exploring their post-translational modifications (PTMs) and sub-cellular localization in response to genotoxic stresses by various factors involved in DDR and genome maintenance. Dysfunctional AU-RBPs have been increasingly found to be associated with many human cancers. Further understanding of the roles of AU-RBPS in maintaining genomic integrity may uncover novel therapeutic strategies for cancer.
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