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Mukherjee A, Epperly MW, Fisher R, Hou W, Shields D, Saiful Huq M, Pifer PM, Mulherkar R, Wilhite TJ, Wang H, Wipf P, Greenberger JS. Inhibition of tyrosine kinase Fgr prevents radiation-induced pulmonary fibrosis (RIPF). Cell Death Discov 2023; 9:252. [PMID: 37460469 PMCID: PMC10352363 DOI: 10.1038/s41420-023-01538-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 06/20/2023] [Accepted: 06/29/2023] [Indexed: 07/20/2023] Open
Abstract
Cellular senescence is involved in the development of pulmonary fibrosis as well as in lung tissue repair and regeneration. Therefore, a strategy of removal of senescent cells by senolytic drugs may not produce the desired therapeutic result. Previously we reported that tyrosine kinase Fgr is upregulated in ionizing irradiation-induced senescent cells. Inhibition of Fgr reduces the production of profibrotic proteins by radiation-induced senescent cells in vitro; however, a mechanistic relationship between senescent cells and radiation-induced pulmonary fibrosis (RIPF) has not been established. We now report that senescent cells from the lungs of mice with RIPF, release profibrotic proteins for target cells and secrete chemotactic proteins for marrow cells. The Fgr inhibitor TL02-59, reduces this release of profibrotic chemokines from the lungs of RIPF mice, without reducing numbers of senescent cells. In vitro studies demonstrated that TL02-59 abrogates the upregulation of profibrotic genes in target cells in transwell cultures. Also, protein arrays using lung fibroblasts demonstrated that TL02-59 inhibits the production of chemokines involved in the migration of macrophages to the lung. In thoracic-irradiated mice, TL02-59 prevents RIPF, significantly reduces levels of expression of fibrotic gene products, and significantly reduces the recruitment of CD11b+ macrophages to the lungs. Bronchoalveolar lavage (BAL) cells from RIPF mice show increased Fgr and other senescent cell markers including p16. In human idiopathic pulmonary fibrosis (IPF) and in RIPF, Fgr, and other senescent cell biomarkers are increased. In both mouse and human RIPF, there is an accumulation of Fgr-positive proinflammatory CD11b+ macrophages in the lungs. Thus, elevated levels of Fgr in lung senescent cells upregulate profibrotic gene products, and chemokines that might be responsible for macrophage infiltration into lungs. The detection of Fgr in senescent cells that are obtained from BAL during the development of RIPF may help predict the onset and facilitate the delivery of medical countermeasures.
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Affiliation(s)
- Amitava Mukherjee
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, 15232, USA
| | - Michael W Epperly
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, 15232, USA
| | - Renee Fisher
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, 15232, USA
| | - Wen Hou
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, 15232, USA
| | - Donna Shields
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, 15232, USA
| | - M Saiful Huq
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, 15232, USA
| | - Phillip M Pifer
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, 15232, USA
| | - Ria Mulherkar
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, 15232, USA
| | - Tyler J Wilhite
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, 15232, USA
| | - Hong Wang
- Department of Biostatistics, University of Pittsburgh, Pittsburgh, PA, 15260, USA
| | - Peter Wipf
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA, 15260, USA
| | - Joel S Greenberger
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, 15232, USA.
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Mukherjee A, Epperly MW, Fisher R, Shields D, Hou W, Pennathur A, Luketich J, Wang H, Greenberger JS. Carcinogen 4-Nitroquinoline Oxide (4-NQO) Induces Oncostatin-M (OSM) in Esophageal Cells. In Vivo 2023; 37:506-518. [PMID: 36881075 PMCID: PMC10026636 DOI: 10.21873/invivo.13108] [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: 12/09/2022] [Revised: 01/20/2023] [Accepted: 02/01/2023] [Indexed: 03/08/2023]
Abstract
BACKGROUND/AIM The earliest cellular and molecular biologic changes in the esophagus that lead to esophageal cancer were evaluated in a mouse model. We correlated numbers of senescent cells with the levels of expression of potentially carcinogenic genes in sorted side population (SP) cells containing esophageal stem cells and non-stem cells in the non-side population cells in the 4-nitroquinolone oxide (NQO)-treated esophagus. MATERIALS AND METHODS We compared stem cells with non-stem cells from the esophagus of mice treated with the chemical carcinogen 4-NQO (100 μg/ml) in drinking water. We also compared gene expression in human esophagus samples treated with 4-NQO (100 μg/ml media) to non-treated samples. We separated and quantitated the relative levels of expression of RNA using RNAseq analysis. We identified senescent cells by luciferase imaging of p16+/LUC mice and senescent cells in excised esophagus from tdTOMp16+ mice. RESULTS A significant increase in the levels of RNA for oncostatin-M was found in senescent cells of the esophagus from 4-NQO-treated mice and human esophagus in vitro. CONCLUSION Induction of OSM in chemically-induced esophageal cancer in mice correlates with the appearance of senescent cells.
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Affiliation(s)
- Amitava Mukherjee
- Department Radiation Oncology, UPMC-Hillman Cancer Center, Pittsburgh, PA, U.S.A
| | - Michael W Epperly
- Department Radiation Oncology, UPMC-Hillman Cancer Center, Pittsburgh, PA, U.S.A
| | - Renee Fisher
- Department Radiation Oncology, UPMC-Hillman Cancer Center, Pittsburgh, PA, U.S.A
| | - Donna Shields
- Department Radiation Oncology, UPMC-Hillman Cancer Center, Pittsburgh, PA, U.S.A
| | - Wen Hou
- Department Radiation Oncology, UPMC-Hillman Cancer Center, Pittsburgh, PA, U.S.A
| | - Arjun Pennathur
- Department Thoracic Surgery, UPMC-Presbyterian Hospital, Pittsburgh, PA, U.S.A
| | - James Luketich
- Department Thoracic Surgery, UPMC-Presbyterian Hospital, Pittsburgh, PA, U.S.A
| | - Hong Wang
- Department of Biostatistics, University of Pittsburgh, Pittsburgh, PA, U.S.A
| | - Joel S Greenberger
- Department Radiation Oncology, UPMC-Hillman Cancer Center, UPMC Cancer Pavilion, Pittsburgh, PA, U.S.A.
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Kim JH, Brown SL, Gordon MN. Radiation-induced senescence: therapeutic opportunities. Radiat Oncol 2023; 18:10. [PMID: 36639774 PMCID: PMC9837958 DOI: 10.1186/s13014-022-02184-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 12/19/2022] [Indexed: 01/15/2023] Open
Abstract
The limitation of cancer radiotherapy does not derive from an inability to ablate tumor, but rather to do so without excessively damaging critical tissues and organs and adversely affecting patient's quality of life. Although cellular senescence is a normal consequence of aging, there is increasing evidence showing that the radiation-induced senescence in both tumor and adjacent normal tissues contributes to tumor recurrence, metastasis, and resistance to therapy, while chronic senescent cells in the normal tissue and organ are a source of many late damaging effects. In this review, we discuss how to identify cellular senescence using various bio-markers and the role of the so-called senescence-associated secretory phenotype characteristics on the pathogenesis of the radiation-induced late effects. We also discuss therapeutic options to eliminate cellular senescence using either senolytics and/or senostatics. Finally, a discussion of cellular reprogramming is presented, another promising avenue to improve the therapeutic gain of radiotherapy.
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Affiliation(s)
- Jae Ho Kim
- grid.239864.20000 0000 8523 7701Radiobiology Research Laboratories, Department of Radiation Oncology, Henry Ford Health, 2799 West Grand Boulevard, Detroit, MI 48202 USA
| | - Stephen L. Brown
- grid.239864.20000 0000 8523 7701Radiobiology Research Laboratories, Department of Radiation Oncology, Henry Ford Health, 2799 West Grand Boulevard, Detroit, MI 48202 USA
| | - Marcia N. Gordon
- grid.17088.360000 0001 2150 1785Department of Translational Neuroscience, Michigan State University, Grand Rapids, MI 49503 USA
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Mukherjee A, Epperly MW, Shields D, Hou W, Fisher R, Hamade D, Wang H, Saiful Huq M, Bao R, Tabib T, Monier D, Watkins S, Calderon M, Greenberger JS. Ionizing irradiation-induced Fgr in senescent cells mediates fibrosis. Cell Death Discov 2021; 7:349. [PMID: 34772919 PMCID: PMC8585734 DOI: 10.1038/s41420-021-00741-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 10/15/2021] [Accepted: 10/21/2021] [Indexed: 11/09/2022] Open
Abstract
The role of cellular senescence in radiation-induced pulmonary fibrosis (RIPF) and the underlying mechanisms are unknown. We isolated radiation-induced senescent tdTOMp16 positive mesenchymal stem cells, established their absence of cell division, then measured levels of irradiation-induced expression of biomarkers of senescence by RNA-seq analysis. We identified a Log2 6.17-fold upregulation of tyrosine kinase Fgr, which was a potent inducer of biomarkers of fibrosis in target cells in non-contact co-cultures. Inhibition of Fgr by shRNA knockdown did not block radiation-induced senescence in vitro; however, both shRNA knockdown, or addition of a specific small-molecule inhibitor of Fgr, TL02-59, abrogated senescent cell induction of profibrotic genes in transwell-separated target cells. Single-cell RNA-seq (scRNAseq) analysis of mouse lungs at day 150 after 20 Gy thoracic irradiation revealed upregulation of Fgr in senescent neutrophils, and macrophages before detection of lung fibrosis. Thus, upregulated Fgr in radiation-induced senescent cells mediates RIPF and is a potential therapeutic target for the prevention of this radiation late effect.
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Affiliation(s)
- Amitava Mukherjee
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Michael W Epperly
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Donna Shields
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Wen Hou
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Renee Fisher
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Diala Hamade
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Hong Wang
- Department of Biostatistics, University of Pittsburgh, Pittsburgh, PA, USA
| | - M Saiful Huq
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Riyue Bao
- Department of Hematology/Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Tracy Tabib
- Department of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Daisy Monier
- Department of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Simon Watkins
- Department of Cell Biology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Michael Calderon
- Department of Cell Biology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Joel S Greenberger
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, USA.
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