Abstract
The current lack of complete understanding of the pathogenesis of acute kidney injury (AKI) is a significant barrier to its early diagnosis and treatment. Cell cycle arrest plays an important role in the protection of renal tubular epithelial cells and maladaptive repair following AKI. G1 phase cell arrest serves as a protective mechanism following AKI, avoiding replication of damaged DNA. Insulinlike growth factor-binding protein 7 (IGFBP7) and tissue inhibitor of metalloproteinase-2 (TIMP-2) are closely associated with G1 cell cycle arrest during the very early phase of cellular damage and can serve as an ideal biomarker to predict AKI. However, sustained cell cycle arrest after severe AKI may result in cell senescence and maladaptive repair, with typical characteristics of the development of cell cycle arrest in the gap 2 (G2) or mitotic (M) phase. Markers of cell cycle arrest signal and spread the “alarm” from the site of injury to adjacent cells in an autocrine or paracrine manner, giving rise to abnormal amplification and release of profibrogenic factors, activation of pericytes/perivascular fibroblasts, and eventually fibrosis. Therefore, cell cycle regulation has become a potentially new target for the prevention and treatment of AKI. In this review, we summarize the characteristics of the cell cycle following AKI and the markers of cell cycle arrest that enable the early detection of AKI. We also discuss how to prevent the progression of chronic kidney disease (CKD) by regulating cell cycle arrest.
Keywords: Acute kidney injury, cell cycle arrest, insulin-like growth factor-binding protein 7, tissue inhibitor of metalloproteinase- 2, pathogenesis, diagnosis.
Current Protein & Peptide Science
Title:Cell Cycle Arrest as a Therapeutic Target of Acute Kidney Injury
Volume: 18 Issue: 12
Author(s): Wei-gang Wang, Wei-xia Sun, Bao-shan Gao, Xin Lian and Hong-lan Zhou*
Affiliation:
- Department of Urology, The First Hospital of Jilin University, 71 Xinmin Street, Changchun, 130021,China
Keywords: Acute kidney injury, cell cycle arrest, insulin-like growth factor-binding protein 7, tissue inhibitor of metalloproteinase- 2, pathogenesis, diagnosis.
Abstract: The current lack of complete understanding of the pathogenesis of acute kidney injury (AKI) is a significant barrier to its early diagnosis and treatment. Cell cycle arrest plays an important role in the protection of renal tubular epithelial cells and maladaptive repair following AKI. G1 phase cell arrest serves as a protective mechanism following AKI, avoiding replication of damaged DNA. Insulinlike growth factor-binding protein 7 (IGFBP7) and tissue inhibitor of metalloproteinase-2 (TIMP-2) are closely associated with G1 cell cycle arrest during the very early phase of cellular damage and can serve as an ideal biomarker to predict AKI. However, sustained cell cycle arrest after severe AKI may result in cell senescence and maladaptive repair, with typical characteristics of the development of cell cycle arrest in the gap 2 (G2) or mitotic (M) phase. Markers of cell cycle arrest signal and spread the “alarm” from the site of injury to adjacent cells in an autocrine or paracrine manner, giving rise to abnormal amplification and release of profibrogenic factors, activation of pericytes/perivascular fibroblasts, and eventually fibrosis. Therefore, cell cycle regulation has become a potentially new target for the prevention and treatment of AKI. In this review, we summarize the characteristics of the cell cycle following AKI and the markers of cell cycle arrest that enable the early detection of AKI. We also discuss how to prevent the progression of chronic kidney disease (CKD) by regulating cell cycle arrest.
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Cite this article as:
Wang Wei-gang , Sun Wei-xia , Gao Bao-shan , Lian Xin and Zhou Hong-lan *, Cell Cycle Arrest as a Therapeutic Target of Acute Kidney Injury, Current Protein & Peptide Science 2017; 18 (12) . https://dx.doi.org/10.2174/1389203717666160915162238
DOI https://dx.doi.org/10.2174/1389203717666160915162238 |
Print ISSN 1389-2037 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5550 |
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