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Depression: 21st Century Solutions + The Dark Side of Wheat

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Article Publish Status: FREE
Abstract Title:

Genistein suppresses retinoblastoma cell viability and growth and induces apoptosis by upregulating miR-145 and inhibiting its target ABCE1.

Abstract Source:

Mol Vis. 2017 ;23:385-394. Epub 2017 Jul 3. PMID: 28706438

Abstract Author(s):

Dong Wei, Lieying Yang, Bo Lv, Lijuan Chen

Article Affiliation:

Dong Wei

Abstract:

PURPOSE: Retinoblastoma is a rare malignancy in developing retina tissue in children with limited therapeutic options. Here we sought to investigate the potential clinical value of genistein, the phytoestrogen derived from the soybean with antioxidant activity, in this disease.

METHODS: Retinoblastoma cells were treated with genistein. Colony formation capacity was measured with soft agar assay. MiRNA was identified with microarray. Post-transcriptional regulation of gene expression was determined with dual-luciferase reporter assay. Cell proliferation and apoptosis were measured with the Cell Counting Kit-8 (CCK-8) method and annexin V-propidium iodide (PI) staining. The xenograft model was administered with genistein, and tumor growth was monitored.

RESULTS: The results showed that genistein treatment significantly suppressed proliferation and anchorage-independent growth of the human retinoblastoma cell line Y79 in vitro, which partially attributed to apoptosis induction. MicroRNA array screening identified that miR-145 was upregulated by genistein. Through post-transcriptional regulation of ABCE1, miR-145 functioned as a key downstream effector in genistein-mediated tumor suppression in retinoblastoma. Moreover, the in vivo data consolidated the inhibitory effect of genistein against retinoblastoma xenograft via upregulation of miR-145.

CONCLUSIONS: The data highlighted the therapeutic potency of genistein in this disease and showed that further clinical investigation is warranted.

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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