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The upregulation of miR-98-5p affects the glycosylation of IgA1 through cytokines in IgA nephropathy

ABSTRACT: The upregulation of miR-98-5p affects the glycosylation of IgA1 through cytokines in IgA nephropathy

PROVIDER: PRJNA607802 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR11127600.fastq.gz	Fastqsanger.gz
	SRR11127601.fastq.gz	Fastqsanger.gz
	SRR11127602.fastq.gz	Fastqsanger.gz
	SRR11127603.fastq.gz	Fastqsanger.gz
	SRR11174363_1.fastq.gz	Fastqsanger.gz

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The upregulation of miR-98-5p affects the glycosylation of IgA1 through cytokines in IgA nephropathy

Project description:Purpose: Increases in galactose-deficient IgA1 (Gd-IgA1) play a crucial role in the pathogenesis of IgA nephropathy (IgAN), and several recent experiments have shown that microRNAs (miRNAs) are involved in regulating the development and physiological function of the kidney. The aims of this study were to identify miRNAs that can affect the pathogenesis of IgAN and reveal the underlying regulatory mechanism of IgA1 glycosylation in peripheral blood Methods: The differentially expressed miRNAs in peripheral blood mononuclear cells (PBMCs) between IgAN patients and healthy controls were screened by high-throughput sequencing. The miRNA targets were predicted and verified by dual-luciferase reporter assays. We also explored the miRNA regulation of Gd-IgA1 through the transfection of miRNA mimics and related plasmids Results: The high-throughput sequencing results showed that miR-98-5p was highly expressed in the PBMCs of IgAN patients compared with healthy controls, and the luciferase reporter gene system confirmed that miR-98-5p might target chemokine ligand 3 (CCL3). The transfection of si-CCL3 confirmed that a decrease in CCL3 can affect the expression of interleukin-6 (IL-6) and C1GALT1. The overexpression of miR-98-5p in PBMCs via the transfection of miR-98-5p mimic reduced the CCL3 and C1GALT1 levels and increased the IL-6 levels. However, these changes in PBMCs were attenuated by cotransfection with the CCL3 plasmid. Conclusion: The results showed that miR-98-5p in PBMCs can target CCL3 to decrease its expression, which increased the IL-6 levels and the resulting increase in IL-6 can decrease C1GALT1 expression. Therefore, miR-98-5p might be involved in the development of IgAN.

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