ArticleBiochemical genetics2021
LncRNA MALAT1 Functions as a Competing Endogenous RNA to Regulate BMI1 Expression by Sponging miR-200c/miR-203 in the Control of the Differentiation of Pulp Cells.
Article in Biochemical genetics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed, 1 citations in OpenAlex.
- Comparative Effects ofInternational journal of molecular sciences · 2026Article
- Epigenetic Regulation of Dental Follicle Stem Cells in Odontogenic Regeneration.Journal of cellular and molecular medicine · 2025Article
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundLong non-coding RNAs (lncRNAs) and miRNAs (microRNAs) are considered as key regulators of several biological processes, including dental development. In this study, we explored the lncRNAs and miRNAs which are involved in dental development.
methodReal-time PCR was performed to identify the candidate lncRNAs and miRNAs involved in dental development. Bioinformatics analysis and luciferase assay were carried out to establish the regulatory relationships between MALAT1, miR-203 and miR-200c in dental development.
resultsAmong all candidate lncRNAs, only MALAT1 was highly expressed in differentiated human dental pulp cells (hDPCs), and among all candidate miRNAs which are down-regulated in differentiated hDPCs, miR-203, and miR-200c are most decreased. Furthermore, MALAT1 was up-regulated while miR-203 and miR-200c were down-regulated in differentiated hDPCs in a time-dependent manner. MiR-203 and miR-200c were proved to bind to MALAT1. Moreover, BMI1 was identified as a target gene of miR-203 or miR-200c, and BMI1 was time-dependently decreased in hDPCs cultured with odontogenic medium. On the contrary, dentin sialophosphoprotein (DSPP), dentin matrix protein-1 (DMP-1), osteocalcin (OCN), and alkaline phosphatase (ALP), were time-dependently increased in hDPCs cultured with odontogenic medium. Finally, the overexpression of MALAT1 and the knockdown of miR-203/miR-200c both significantly increased the levels of BMI1, DSPP, DMP-1, OCN, and ALP, while the effect of knockdown of miR-203/miR-200c was much stronger than that of the overexpression of MALAT1.
conclusionOur results demonstrated that MALAT1 functions as a competing endogenous RNA of miR-203 and miR-200c and accordingly promotes BMI1 expression. Therefore, MALAT1 may serve as a biomarker for dental development.
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