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1.河南省中医院/河南中医药大学第二附属医院妇产科,郑州 450011
2.河南中医药大学第一附属医院生殖科,郑州 450003
Received:23 July 2024,
Revised:2024-12-25,
Accepted:31 December 2024,
Published:30 January 2025
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邵艳社,许雪梅,杨宝芹,等.四物汤含药血清对多囊卵巢综合征卵巢颗粒细胞自噬的影响[J].中国药房,2025,36(02):185-190.
SHAO Yanshe,XU Xuemei,YANG Baoqin,et al.Effects of medicated serum of Siwutang on autophagy of ovarian granulosa cells in polycystic ovarian syndrome[J].ZHONGGUO YAOFANG,2025,36(02):185-190.
邵艳社,许雪梅,杨宝芹,等.四物汤含药血清对多囊卵巢综合征卵巢颗粒细胞自噬的影响[J].中国药房,2025,36(02):185-190. DOI: 10.6039/j.issn.1001-0408.2025.02.09.
SHAO Yanshe,XU Xuemei,YANG Baoqin,et al.Effects of medicated serum of Siwutang on autophagy of ovarian granulosa cells in polycystic ovarian syndrome[J].ZHONGGUO YAOFANG,2025,36(02):185-190. DOI: 10.6039/j.issn.1001-0408.2025.02.09.
目的
2
探讨四物汤含药血清对多囊卵巢综合征(PCOS)卵巢颗粒细胞自噬的影响及潜在机制。
方法
2
取3月龄雌性SD大鼠,分别以生理盐水和不同剂量四物汤灌胃,制备空白血清和不同浓度[0.52、1.04、2.08 g/(kg·d)]四物汤含药血清。筛选四物汤含药血清干预浓度后,将人卵巢颗粒细胞KGN分为对照组(细胞不进行任何处理)、脱氢表雄酮(DHEA)组(以50 μmol/L的DHEA处理细胞48 h)、空白血清组(以50 μmol/L的DHEA处理细胞48 h后,再用10%空白血清处理72 h)、中浓度四物汤含药血清组(以50 μmol/L的DHEA处理细胞48 h后,再用10%中浓度四物汤含药血清处理72 h),观察各组细胞中的自噬体数量以及通路相关蛋白[果糖-1,6-二磷酸酶1(FBP1)、哺乳动物雷帕霉素靶蛋白(mTOR)、磷酸化mTOR(p-mTOR)]、自噬相关蛋白[p62、微管相关蛋白1轻链3(LC3)]和FBP1 mRNA的表达水平。将(转染)细胞分为四物汤组(以50 μmol/L的DHEA处理细胞48 h后,再用10%中浓度四物汤含药血清处理72 h)、四物汤+si-NC组(以50 μmol/L的DHEA处理阴性对照小干扰RNA转染细胞48 h后,再用10%中浓度四物汤含药血清处理72 h)、四物汤+si-FBP1组(以50 μmol/L的DHEA处理FBP1小干扰RNA转染细胞48 h后,再用10%中浓度四物汤含药血清处理72 h),考察敲低FBP1对四物汤上述作用的影响。
结果
2
与对照组比较,DHEA组细胞的自噬体数量明显增加,LC3-Ⅱ/LC3-Ⅰ、p-mTOR/mTOR、FBP1蛋白及mRNA的表达水平均显著升高,p62蛋白的表达水平显著降低(
P
<0.05)。与DHEA组和空白血清组比较,中浓度四物汤含药血清组细胞的自噬体数量明显减少,LC3-Ⅱ/LC3-Ⅰ显著降低,p-mTOR/mTOR和p62蛋白、FBP1蛋白及mRNA的表达水平均显著升高(
P
<0.05)。敲低FBP1后,与四物汤+si-NC组比较,四物汤+si-FBP1组细胞的存活率、p62蛋白的表达水平、FBP1蛋白及mRNA的表达水平、p-mTOR/mTOR均显著降低,LC3-Ⅱ/LC3-Ⅰ显著升高(
P
<0.05)。
结论
2
四物汤可通过上调KGN细胞中FBP1蛋白及mRNA的表达来促进mTOR蛋白的磷酸化,从而抑制其自噬。
OBJECTIVE
2
To investigate the effects of medicated serum of Siwutang on autophagy of ovarian granulosa cells (KGN cells) in polycystic ovarian syndrome (PCOS) and its underlying mechanism.
METHODS
2
Blank serum and different-concentration medicated serum of Siwutang were prepared by intragastric administration of normal saline and different doses of Siwutang [0.52, 1.04, 2.08 g/(kg·d)] in 3-month-old female SD rats. After screening the intervention concentration of Siwutang medicated serum, KGN cells were divided into control group (without any treatment), dehydroepiandrosterone (DHEA) group (treated with 50 μmol/L DHEA for 48 h), blank serum group (treated with 50 μmol/L DHEA for 48 h and with 10% blank serum for 72 h) and medium-concentration of Siwutang medicated serum group (treated with 50 μmol/L DHEA for 48 h and with 10% medium-concentration Siwutang medicated serum for 72 h). The number of autophagosomes was observed in each group, and protein expressions of pathway-related proteins [fructose-1, 6-bisphosphatase 1 (FBP1),mammalian target of rapamycin (mTOR), phosphorylated mTOR (p-mTOR)], autophagy-related proteins [p62, microtubule-associated protein 1 light chain 3 (LC3)] and mRNA expression of FBP1 were also detected. The (transfected) cells were further divided into Siwutang group (treated with 10% medium dose of Siwutang medicated serum for 72 h after 48 h intervention with 50 μmol/L DHEA), Siwutang+si-NC group [negative control small interfering RNA (siRNA) transfected cells treated with 50 μmol/L DHEA for 48 h, and then with 10% medium-concentration of Siwutang medicated serum for 72 h] and Siwutang+si-FBP1 group (FBP1 siRNA transfected cells treated with 50 μmol/L DHEA for 48 h, and then with 10% medium-concentration Siwutang medicated serum for 72 h). The effects of knocking down FBP1 on the above-mentioned effects of Siwutang were detected.
RESULTS
2
Compared with control group, DHEA group exhibited an increase in the number of autophagosomes, an elevated LC3-Ⅱ/LC3-Ⅰ and p-mTOR/mTOR, as well as increases in protein and mRNA expressions of FBP1, and decreased protein expression of p62 (
P
<0.05). Compared to both DHEA group and blank serum group, the medium-concentration of Siwutang medicated serum group showed a decrease in the number of autophagosomes, a decrease in LC3-Ⅱ/LC3-Ⅰ, and increases in p-mTOR/mTOR, protein expression of p62, protein and mRNA expressions of FBP1 (
P
<0.05). After knocking down FBP1, compared with Siwutang+si-NC group, Siwutang+si-FBP1 group showed a significant decrease in cell viability, protein expression of p62 , protein and mRNA expressions of FBP1 as well as p-mTOR/mTOR, and an increase in LC3-Ⅱ/LC3-Ⅰ (
P
<0.05).
CONCLUSIONS
2
Siwutang can promote the phosphorylation of mTOR protein by up-regulating the protein and mRNA expressions of FBP1 in KGN cells, thus inhibiting autophagy of KGN cells.
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