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Action Mechanism of Rukang Oral Liquid in Rats with Hyperplasia of Mammary Glands / 中国药师
China Pharmacist ; (12): 647-651, 2016.
Article in Chinese | WPRIM | ID: wpr-490924
ABSTRACT

Objective:

To study the action mechanism of Rukang oral liquid in rats with hyperplasia of mammary glands. Meth-odsThe rats were randomly divided into six groupsthe normal group, the model group, tamoxifen group, low, medium and high dose of Rukang oral liquid groups. The model of hyperplasia of mammary glands was induced by estradiol benzoate injection and progester-one injection. After the administration, ELISA was used to detect the serum concentrations of ER, PR, P53 and Oct4, Western blot was used to detect the expression of ER, PR, P53 and Oct4 in breast tissue, a fluorescence quantitative PCR method was used to de-tect the expression of GnRH, GnRHR, and the expression of telomerase in breast tissue was detected by in situ hybridization.

Results:

Rukang oral liquid could reduce the expression of ER and PR in serum and breast tissue(P<0. 01), reduce the expression of P53, te-lomerase and Oct4(P<0. 01), and decrease the expression of GnRH in hypothalamus and pituitary, which could reverse the hyperpla-sia of mammary glands and played the role effectively(P<0. 01).

Conclusion:

Rukang oral Liquid can reduce the expression of ER and PR in serum and breast tissue, and decrease the expression of GnRH in hypothalamus and pituitary to play the role in the treatment of hyperplasia of mammary glands. Rukang oral Liquid may prevent breast hyperplasia from developing into breast cancer through re-ducing the expression of three related markers P53, telomerase and Oct4.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: China Pharmacist Year: 2016 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: China Pharmacist Year: 2016 Type: Article