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Article Publish Status: FREE
Abstract Title:

Sulforaphane Induces miR135b-5p and Its Target Gene, RASAL2, thereby Inhibiting the Progression of Pancreatic Cancer.

Abstract Source:

Mol Ther Oncolytics. 2019 Sep 27 ;14:74-81. Epub 2019 Apr 6. PMID: 31044154

Abstract Author(s):

Libo Yin, Xi Xiao, Christina Georgikou, Yiqiao Luo, Li Liu, Jury Gladkich, Wolfgang Gross, Ingrid Herr

Article Affiliation:

Libo Yin

Abstract:

Pancreatic ductal adenocarcinoma (PDA) is one of the most lethal tumors, with poor therapeutic options in the advanced state. The broccoli-derived anti-inflammatory agent sulforaphane was shown to inhibit the progression of pancreatic cancer and other tumor entities. We examined the involvement of pancreatic cancer cell lines were evaluated by microRNA and gene expression arrays, bioinformatics,analysis, qRT-PCR, western blotting, immunohistochemistry,hybridization, self-renewal and differentiation assays, andxenograft studies. We selected the top nine differentially expressed microRNAs, and miR135b-5p was chosen as the most important candidate for the sulforaphane-induced upregulation of the tumor suppressor gene RASAL2. The expression of miR135b-5p and RASAL2 was almost absent in malignant pancreatic tissues and cell linesbut not in their normal counterparts. Lipofection of miR135b-5p enhanced RASAL2 expression and inhibited ERK1/2 signaling, viability, self-renewal capacityand tumor growth. These results indicate that miR135b-5p acts as a tumor suppressor via the induction of RASAL2 in PDA.

Study Type : Animal Study, In Vitro Study

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