Phytic acid potentiates oxaliplatin effects in colorectal cancer induced by 1,2-DMH: the role of miR-224 and miR-200a

植酸增强奥沙利铂对 1,2-DMH 诱发的结肠直肠癌的作用:miR-224 和 miR-200a 的作用

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作者:Tarek M Okda, Mohamed A Katry, Noha M Ragab, Abdel-Gawad S Shalkami

Conclusions

Phytic acid possessed efficient anti-carcinogenic properties alone or with oxaliplatin against 1,2-DMH-induced CRC in rats through pathways of apoptosis, cell proliferation, and antioxidants.

Material and methods

We induced CRC in albino rats using 1,2-dimethylhydrazine (1,2-DMH). The miR-224, miR-200a, and β-catenin expressions were determined. ELISAs were performed to investigate Bcl-2 expression, caspase-3 activity, and total tissue antioxidants. Finally, histopathological investigations were performed.

Methods

We induced CRC in albino rats using 1,2-dimethylhydrazine (1,2-DMH). The miR-224, miR-200a, and β-catenin expressions were determined. ELISAs were performed to investigate Bcl-2 expression, caspase-3 activity, and total tissue antioxidants. Finally, histopathological investigations were performed.

Results

We observed a chemoprotective role of PA. PA has a synergistic effect as an antitumour agent with oxaliplatin in CRC treatment. The miR-224, miR-200a, and β-catenin expression, when treated with PA alone or with oxaliplatin, was decreased markedly in comparison with the positive control group. The histopathological investigations of colorectal tissues confirmed our molecular and biochemical findings. Conclusions: Phytic acid possessed efficient anti-carcinogenic properties alone or with oxaliplatin against 1,2-DMH-induced CRC in rats through pathways of apoptosis, cell proliferation, and antioxidants.

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