ArticleNeurochemical research2017
Spatiotemporal Patterns of RING1 Expression after Rat Spinal Cord Injury.
Article in Neurochemical research, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 2 citations in OpenAlex.
- Targeting Sirtuin Signaling in Parkinson's Disease and Neurodegeneration: Molecular Insights and Translational Potential.Molecular neurobiology · 2026Review
- Smart responsive biomaterials for spatiotemporal modulation of functional tissue repair.Materials today. Bio · 2025Review
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Authors and funding
10 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Ring finger protein 1 (RING1) is a RING domain characterized protein belonging to the RING finger family. It is an E3 ubiquitin-protein ligase that mediated monoubiquitination of histone H2A and the core component of PRC1 complex, which is the repressive multiprotein complex of Polycomb group (PcG). Previous studies showed the important tumorigenic role of RING1 via promoting cell proliferation and the crucial function in maintaining transcriptional program stability during development. However, its mechanism for spinal cord injury (SCI) is still unknown. In our research, we established an acute SCI model in adult rats and studied the expression and function profiles of RING1. RING1 protein level detected by western blot peaked at day 3 after trauma and then decreased gradually. Immunohistochemistry showed the increase of RING1 expression displayed in the white matter more obviously than in the gray matter. Furthermore, increased co-expression of RING1 and GFAP confirmed activated astrocytes in injured spinal cord via double immunofluorescence staining. Meanwhile, we also found the co-localization of PCNA, a famous marker of proliferative cells, with RING1 and GFAP, which indicated RING1 might play a role in astrocyte proliferation after SCI. In vitro studies, RING1 protein level in C6 cells increased after LPS challenge and RING1 was required for astrocyte proliferation and activation induced by LPS. In summary, we took a new insight into the function of RING1 in the cellular and molecular mechanism underlying the pathophysiology of SCI.
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