Genomics

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Analysis of exosomal miRNA in plasma of patients with metastatic and non-metastatic pancreatic cancer


ABSTRACT: Purpose: Analysis of exosomal miRNA in plasma of patients with metastatic and non-metastatic pancreatic cancer. To identify exosomes cargo specific miRNAs promoting cancer metastasis. Methods: We divide the plasma samples into five groups according to whether they have metastasis and undergo surgery.The five groups are Health(20),Metastasis Pre-operation and Post-operation (14),Non-metastasis Pre-operation and Post-operation(9).Then we collected the exosomes by ultracentrifugation and extracted the small RNA in each sample.Then, we analyzed the expression changes of miRNA by small RNA sequencing. Result: Different groups have different expression of small RNA. Compared with the non-metastatic group, the expression of miR-92a-3p , miR-148-3p and miR-25-3p increased in the metastatic group. Conclusion:Exosomal miRNA in pancreatic cancer patient derived plasma were analyze using Hiseq2500 sequencing technique. We identified that miR-92a-3p, miR-148-3p and miR-25-3p enriched in metastatic pancreatic cancer patient plasma derived exosomes.

ORGANISM(S): Homo sapiens

PROVIDER: GSE166799 | GEO | 2022/01/01

REPOSITORIES: GEO

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