Therapeutic effect and mechanism of Modified Banxia Xiexin Decoction in the treatment of polycystic ovary syndrome complicated with insulin resistance
Experimental Studies|更新时间:2023-09-08
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Therapeutic effect and mechanism of Modified Banxia Xiexin Decoction in the treatment of polycystic ovary syndrome complicated with insulin resistance
Journal of Beijing University of Traditional Chinese MedicineVol. 46, Issue 8, Pages: 1117-1127(2023)
作者机构:
1.中国中医科学院广安门医院 北京 100053
2.无锡市中医医院
3.重庆大学附属沙坪坝医院
4.北京中医药大学研究生院
作者简介:
Prof. LIU Xinmin, Ph. D., Chief Physician, Doctoral Supervisor. Guang’ anmen Hospital, China Academy of Chinese Medical Sciences, No.5, Beixiange Street, Xicheng District, Beijing 100053. E-mail: beijingliuxm@163.com
基金信息:
National Natural Science Foundation of China(81674011)
JIA Fan, ZHAO Hongyu, ZHENG Dongxue, et al. Therapeutic effect and mechanism of Modified Banxia Xiexin Decoction in the treatment of polycystic ovary syndrome complicated with insulin resistance[J]. Journal of beijing university of traditional chinese medicine, 2023, 46(8): 1117-1127.
DOI:
JIA Fan, ZHAO Hongyu, ZHENG Dongxue, et al. Therapeutic effect and mechanism of Modified Banxia Xiexin Decoction in the treatment of polycystic ovary syndrome complicated with insulin resistance[J]. Journal of beijing university of traditional chinese medicine, 2023, 46(8): 1117-1127. DOI: 10.3969/j.issn.1006-2157.2023.08.010.
Therapeutic effect and mechanism of Modified Banxia Xiexin Decoction in the treatment of polycystic ovary syndrome complicated with insulin resistance
We aimed to explore the therapeutic effect of Modified
Banxia Xiexin
Decoction (BXXX) in the treatment of polycystic ovary syndrome (PCOS) complicated with insulin resistance (IR) through regulating the PI3K/Akt/GLUT4 signaling pathway.
Methods
2
Letrozole combined with a high-fat diet was used to construct a PCOS and IR rat model. Model rats were divided into 6 groups
namely the control group
the model group
the metformin group[0.157 5 g/(kg·d)]
and the BXXX high-
medium-
low-dose groups[26.46、13.23、6.615 g(kg·d )]
with 6 rats per group
and the corresponding medication was given by gavage for 2 weeks. 6 normal rats were taken as the control group. Fasting blood glucose(FBG) levels were measured. Pathological changes in ovarian tissues were observed via HE staining. Serum sex hormone levels
glucose levels
and lipid metabolism indexes were measured by ELISA. The expression levels of PI3K/Akt/GLUT4 signaling pathway-related factors in ovarian tissues of PCOS and IR rats were determined by RT-PCR
IHC staining
and Western blotting.
Results
2
Compared with the control group
the structure of the follicles in the model group was abnormal
the number of granular cell layers was reduced
and more cystic dilated follicles were observed. T levels
HOMA-IR levels
and TC and TG levels were increased (
P
<
0.05); and the mRNA levels of Akt1 and the protein expression levels of PI3K
p-PI3K
Akt1
p-Akt1
and GLUT4 were decreased (
P
<
0.05). The corpus luteum and follicles were observed at different developmental stages. Compared with the model group
in the metformin group
BXXX high-dose group
BXXX medium-dose group
and BXXX low-dose group
the number of granulosa cell layers was increased and the number of cystic dilated follicles was decreased or even zero. The T levels in the metformin group and BXXX high-dose group and the TC and TG levels in BXXX high-dose group were decreased (
P
<
0.05); and the mRNA levels of PI3K and Akt1 in the metformin group
BXXX high-
medium-
low-dose group were increased (
P
>
0.05). The GLUT4 mRNA level in the metformin group
BXXX high-
medium-dose group was increased (
P
>
0.05). The expression levels of p-PI3K and GLUT4 in the metformin group
BXXX high-
medium-
low-dose group were significantly increased (
P
<
0.05).
Conclusion
2
Modified
Banxia Xiexin
Decoction can improve IR and reproductive endocrine levels in PCOS and IR rats to treat PCOS. Its mechanism is related to the regulation of PI3K/Akt/GLUT4 signaling pathway-related factors.
关键词
Keywords
references
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