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Atractylenolide II Reverses the Influence of lncRNA XIST/miR-30a-5p/ROR1 Axis on Chemo-Resistance of Colorectal Cancer Cells

Atractylenolide II Reverses the Influence of lncRNA XIST/miR-30a-5p/ROR1 Axis on Chemo-Resistance of Colorectal Cancer Cells

Ruijuan Zhang, Zhijun Wang, Qianyun Yu, Jun Shen, Wenji He, Dongqing Zhou, Qingqing Yu, Jiawei Fan, Shurong Gao, Lihong Duan

J Cell Mol Med. 2019 May;23(5):3151-3165.

PMID: 30907503

Abstract:

This investigation was conducted to elucidate whether atractylenolide II could reverse the role of lncRNA XIST/miR-30a-5p/ROR1 axis in modulating chemosensitivity of colorectal cancer cells. We totally collected 294 pairs of colorectal cancer tissues and adjacent normal tissues and also purchased colorectal cancer cell lines and human embryonic kidney cell line. 5-fluorouracil, cisplatin, mitomycin and adriamycin were designated as the chemotherapies for colorectal cell lines, and atractylenolides were arranged as the Chinese drug. The expressions of XIST, miR-30a-5p and ROR1 were quantified with aid of qRT-PCR or Western blot, and luciferase reporter gene assay was implemented to determine the relationships among XIST, miR-30a-5p and ROR1. Our results demonstrated that XIST and ROR1 expressions were dramatically up-regulated, yet miR-30a-5p expression was down-regulated within colorectal cancer tissues (P < 0.05). The overexpressed XIST and ROR1, as well as under-expressed miR-30a-5p, were inclined to promote viability and proliferation of colorectal cells under the influence of chemo drugs (P < 0.05). In addition, XIST could directly target miR-30a-5p, and ROR1 acted as the targeted molecule of miR-30a-5p. Interestingly, atractylenolides not only switched the expressions of XIST, miR-30a-5p and ROR1 within colorectal cancer cells but also significantly intensified the chemosensitivity of colorectal cancer cells (P < 0.05). Finally, atractylenolide II was discovered to slow down the viability and proliferation of colorectal cancer cells (P < 0.05). In conclusion, the XIST/miR-30a-5p/ROR1 axis could be deemed as pivotal markers underlying colorectal cancer, and administration of atractylenolide II might improve the chemotherapeutic efficacy for colorectal cancer.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP73069144	Atractylenolide II		73069-14-4	Price

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