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Differential expression of miRNAs in acute myeloid leukemia quantified by NGS of whole blood samples

ABSTRACT: Differential expression of miRNAs in acute myeloid leukemia quantified by NGS of whole blood samples

PROVIDER: PRJNA526323 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8704500.fastq.gz	Fastqsanger.gz
	SRR8704510.fastq.gz	Fastqsanger.gz
	SRR8704520.fastq.gz	Fastqsanger.gz
	SRR8704530.fastq.gz	Fastqsanger.gz
	SRR8704540.fastq.gz	Fastqsanger.gz

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Project description:Background:A new regulatory subpopulation of ILCs, ILCreg has been identified in mouse and human intestines. ILCregs share characteristics with both innate lymphoid cells and regulatory cells; however, the significance of CD45+Lin-CD127+IL-10+ ILCregs in patients with AML remains unclear. Intriguingly, ILCregs constitutively express id2, id3, sox4, tgfbr1, tgfbr2, il2rb and il2rg, but the significance of miRNAs associated with these genes has yet to be explored. In this study, we evaluate ILCreg frequency, ILCreg gene-associated miRNA quantification, and its significance in patients with AML and normal donors. Methods:Using 4 color combinations of surface and intracellular antibody staining, the CD45+Lin-CD127+IL-10+ ILCregs from 12 normal donors and 42 patients newly diagnosed with AML were measured by flow cytometry. Plasma samples and bone marrow cells from 6 normal donors and 9 patients with AML were studied by next-generation sequence miRNAs quantification. Results:Our results showed that the frequency of ILCregs was 0.8924±1.3791% in bone marrow (BM) cells from normal donors and 0.2434±0.5344% in BM cells from AML patients. The frequency of ILCreg cells in AML patients was significantly lower than that in normal donors (P<0.01). Furthermore, the frequency of the CD45+Lin-CD127+IL-10- subset was 4.0869±6.7701% and 0.2769±0.2526% from normal donors and AML patients, respectively. There was a statistically significant difference of CD45+Lin-CD127+IL-10- cells between normal donors and AML patients (p<0.01). miRNA detection results showed 376 miRNAs from plasma and 182 miRNAs from BM cell samples with expression levels with a statistically significant difference between AML patients and normal donors (both Q and P-value < 0.001). Analysis of miRNAs from ILCregs associated genes including id2, id3, sox4, tgfbr1, tgfbr2, il2rb, and il3rg, from normal donors and AML patients demonstrated 34 miRNA from plasma samples and 14 miRNA segments from BM cell samples with a statistically significant difference between AML patients and normal donors (both Q and P-value <0.001). Among them, 4 miRNAs (hsa-miR-193b-3p, hsa-miR-1270, hsa-miR-210-3p, and hsa-miR-486-3p) were detected in both plasma and BM cell samples. Conclusion:Our study enumerated ILCregs, then measured miRNAs from those ILCregs in AML samples for the first time. The results demonstrated the deficiency of ILCreg and differential expression of miRNAs in patients with AML.

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Differential expression of miRNAs in acute myeloid leukemia quantified by NGS of whole blood samples

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