Related Experiment Video
Updated: Apr 17, 2026
05:39
Detection of MicroRNA Expression in the Kidneys of Immunoglobulin A Nephropathic Mice
Published on: July 8, 2020
2.2K
Reduced mir-29b-3p expression up-regulate CDK6 and contributes to IgA nephropathy
Li-Na Xing1, Hao Wang1, Pei-Hao Yin1
1Department of Nephrology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine Shanghai 200062, China.
International Journal of Clinical and Experimental Medicine
|February 10, 2015
Summary
MicroRNA-29b-3p is down-regulated in IgA nephropathy (IgAN), leading to increased CDK6. This promotes inflammation via the NF-κB pathway, contributing to kidney disease progression.
Area of Science:
- Nephrology
- Molecular Biology
- Genetics
Background:
- IgA nephropathy (IgAN) is a common kidney disease with complex causes and varied pathology.
- MicroRNAs are key regulators of gene expression and are implicated in IgAN pathogenesis.
Purpose of the Study:
- To investigate the role of miR-29b-3p in IgA nephropathy.
- To identify the downstream targets and signaling pathways affected by miR-29b-3p dysregulation in IgAN.
Main Methods:
- Analysis of miR-29b-3p expression in IgAN patient renal tissues.
- Bioinformatic prediction of miR-29b-3p targets.
- Dual luciferase assay and Western blot to confirm direct targeting of CDK6 by miR-29b-3p.
- Investigation of the effect of miR-29b-3p/CDK6 axis on the NF-κB signaling pathway.
Main Results:
- miR-29b-3p, but not miR-29a or miR-29c, was significantly downregulated in IgAN renal tissues.
- CDK6 was identified as a direct target gene repressed by miR-29b-3p.
- Downregulation of miR-29b-3p led to CDK6 overexpression, promoting NF-κB signaling by phosphorylating p65.
- This mechanism may contribute to inflammation in IgAN pathogenesis.
Conclusions:
- miR-29b-3p plays a protective role in IgA nephropathy by suppressing CDK6.
- The miR-29b-3p/CDK6/NF-κB axis represents a potential therapeutic target for mitigating inflammation in IgAN.
