1.黑龙江中医药大学,黑龙江省哈尔滨市香坊区和平路24号,150040
2.黑龙江省中医药科学院
3.黑龙江中医药大学附属第一医院
chizishui-04@163.com
收稿:2024-12-04,
修回:2025-04-29,
纸质出版:2025-09-02
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郭婷婷,蒋蒙,韩静等.寿胎丸加味方对多囊卵巢综合征高雄激素-胰岛素抵抗流产模型大鼠子宫内膜内质网应激和蜕膜化的影响[J].中医杂志,2025,66(17):1801-1809.
GUO Tingting,JIANG Meng,HAN Jing,et al.Effects of Modified Shoutai Pill (寿胎丸) on Endoplasmic Reticulum Stress and Decidualization in the Endometrium for Hyperandrogenism and Insulin Resistance-Induced Fetal Loss of Rats with Polycystic Ovary Syndrome[J].Journal of Traditional Chinese Medicine,2025,66(17):1801-1809.
郭婷婷,蒋蒙,韩静等.寿胎丸加味方对多囊卵巢综合征高雄激素-胰岛素抵抗流产模型大鼠子宫内膜内质网应激和蜕膜化的影响[J].中医杂志,2025,66(17):1801-1809. DOI: 10.13288/j.11-2166/r.2025.17.011.
GUO Tingting,JIANG Meng,HAN Jing,et al.Effects of Modified Shoutai Pill (寿胎丸) on Endoplasmic Reticulum Stress and Decidualization in the Endometrium for Hyperandrogenism and Insulin Resistance-Induced Fetal Loss of Rats with Polycystic Ovary Syndrome[J].Journal of Traditional Chinese Medicine,2025,66(17):1801-1809. DOI: 10.13288/j.11-2166/r.2025.17.011.
目的
2
探讨寿胎丸加味方治疗多囊卵巢综合征(PCOS)高雄激素-胰岛素抵抗流产的可能作用机制。
方法
2
将动情周期规律且处于动情前期的SPF级雌性SD大鼠30只与SPF级雄性SD大鼠15只,于每日18:00按2∶1比例合笼,次日8:00雌鼠阴道涂片镜下观察到大量精子且见阴道栓视为妊娠第0.5天,共获得30只孕鼠。在妊娠第0.5天将孕鼠随机分为正常组、模型组、寿胎丸加味方组,每组10只。自妊娠第0.5天至第13.5天,寿胎丸加味方组予寿胎丸加味方药液26.6 g/(kg·d)灌胃,每天2次,连续14天;正常组和模型组同时予等体积生理盐水灌胃。除正常组外,其余两组孕鼠自妊娠第7.5天至第13.5天联合应用双氢睾酮和胰岛素腹腔注射,建立PCOS高雄-胰岛素抵抗流产大鼠模型。所有孕鼠于妊娠第0.5、3.5、6.5、9.5、12.5、14.5天测定体质量;于妊娠第14.5天取材,观察胚胎情况,计算胚胎丢失率、平均着床数及平均活胎数;透射电镜观察子宫蜕膜超微结构变化;Western Blot法检测子宫蜕膜组织中蛋白激酶R样内质网激酶(PERK)、真核翻译起始因子2α(eIF2α)蛋白水平;qRT-PCR法检测子宫蜕膜组织中内质网应激相关因子
Perk
、
Eif2α
、线粒体融合蛋白2(
Mfn2
)、葡萄糖调节蛋白78(
Grp78
)和蜕膜化相关因子Wnt家族成员4蛋白(
Wnt4
)、含FXYD域离子运输调控因子2(
Fxyd2
)、丝氨酸蛋白酶抑制剂家族G成员1(
Serping1
)、分泌型磷蛋白1(
Spp1
)、谷胱甘肽过氧化物酶3(
Gpx3
)、金属硫蛋白1G(
Mt1g
)mRNA表达情况。
结果
2
与正常组比较,模型组孕鼠在妊娠第9.5、12.5、14.5天体质量减少,
胚胎丢失率升高,平均着床数及平均活胎数降低,子宫蜕膜组织中PERK、eIF2α蛋白及mRNA表达升高,
Grp78
、
Fxyd2
、
Spp1
mRNA表达升高,
Mfn2
、
Wnt4
、
Serping1
、
Gpx3
、
Mt1g
mRNA表达降低(
P
<0.05或
P
<0.01);子宫蜕膜超微结构显示细胞损伤明显,线粒体明显肿胀、膜局部隆起,内质网数量较多且明显扩张、脱颗粒。与模型组比较,寿胎丸加味方组孕鼠在妊娠第9.5、12.5、14.5天体质量增加,胚胎丢失率降低,平均活胎数升高,子宫蜕膜组织中PERK、eIF2α蛋白及mRNA表达降低,
Grp78、Fxyd2
、
Spp1
mRNA表达降低,
Mfn2
、
Wnt4
、
Serping1
、
Gpx3
mRNA表达升高(
P
<0.05或
P
<0.01);子宫蜕膜细胞轻度损伤,线粒体数量较多、轻度固缩、膜完整,内质网数量减少、扩张、局部脱颗粒。
结论
2
寿胎丸加味方可能通过抑制PERK/eIF2α信号通路而改善子宫内膜内质网应激和蜕膜化受损,从而降低PCOS高雄激素-胰岛素抵抗流产模型大鼠的胚胎丢失率,防止流产发生。
Objective
2
To explore the possible mechanism of the modified
Shoutai Pill
(寿胎丸) for polycystic ovary syndrome (PCOS) complicated by hyperandrogenism and insulin resistance-induced fetal loss.
Methods
2
Thirty SPF-grade female SD rats with regular estrous cycles and in the proestrus phase were caged with 15 SPF-grade male SD rats at a ratio of 2∶1 every day at 18:00. On the next day at 8:00, female rats were considered to be on day 0.5 of pregnancy when a large number of sperm and vaginal plugs were observed under a microscope in vaginal smears. A total of 30 pregnant rats were obtained. On day 0.5 of pregnancy, the pregnant rats were randomly divided into normal group, model group, and the modified
Shoutai Pill
group, with 10 rats in each group. From day 0.5 to day 13.5 of pregnancy, the
Shoutai Pill
group was given modified
Shoutai Pill
solution at a dose of 26.6 g/(kg·d) by gavage, twice a day, for 14 consecutive days. Meanwhile, the normal group and the model group were given an equal volume of normal saline by gavage. Except f
or the normal group, the pregnant rats were intraperitoneally injected with dihydrotestosterone and insulin from day 7.5 to day 13.5 of pregnancy to establish a PCOS rat model with hyperandrogenism and insulin resistance-induced fetal loss. All pregnant rats were weighed on days 0.5, 3.5, 6.5, 9.5, 12.5, and 14.5 of pregnancy; samples were collected on day 14.5 of pregnancy to observe the embryo status, and the embryo loss rate, average number of implantations, and average number of live fetuses were calculated; transmission electron microscopy was used to observe the ultrastructural changes of uterine decidua; Western Blot was performed to detect the protein levels of protein kinase R-like endoplasmic reticulum kinase (PERK) and eukaryotic translation initiation factor 2α (eIF2α) in uterine decidual tissues; qRT-PCR was used to detect the mRNA expression levels of endoplasmic reticulum stress-related factors (
Perk
,
Eif2α
, mitofusin 2 [
Mfn2
], glucose-regulated protein 78 [
Grp78
]) and decidualization-related factors Wnt family member 4 [
Wnt4
], FXYD domain-containing ion transport regulator 2 [
Fxyd2
], serpin family G member 1 [
Serping1
], secreted phosphoprotein 1 [
Spp1
], glutathione peroxidase 3 [
Gpx3
], metallothionein 1G [
Mt1g
]) in uterine decidual tissues.
Results
2
Compared with the normal group, the pregnant rats in the model group showed reduced body weight on days 9.5, 12.5, and 14.5 of pregnancy, an increased embryo loss rate, and decreased average number of implantations and average number of live fetuses, increased PERK and eIF2α protein and mRNA expressions in uterine decidual tissues, increased mRNA expressions of
Grp78
,
Fxyd2
, and
Spp1
, and reduced mRNA expressions of
Mfn2
,
Wnt4
,
Serping1
,
Gpx3
, and
Mt1g
(
P
<0.05 or
P
<0.01); the ultrastructure of the uterine decidua showed obvious cellular damage, significant swelling of mitochondria, local bulging of membranes, as well as a relatively large number of endoplasmic reticula with obvious dilation and degranulation. Compared with the model group, the pregnant rats in
Shoutai Pill
group had increased body weight on days 9.5, 12.5, and 14.5 of pregnancy, a decreased embryo loss rate and an increased average number of live fetuses; decreased protein and mRNA expressions of PERK and eIF2α in uterine decidual tissues, reduced mRNA expressions of
Grp78
,
Fxyd2
, and
Spp1
, and elevated mRNA expressions of
Mfn2
,
Wnt4
,
Serping1
, and
Gpx3
(
P
<0.05 or
P
<0.01); the uterine decidual cells showed mild damage, with a relatively large number of mitochondria, slightly pyknotic with intact membranes, but the number of endoplasmic reticula was reduced, with dilation and local degranulation.
Conclusion
2
The modified
Shoutai Pill
may improve endometrial endoplasmic reticulum stress and impaired decidualization by inhibiting the PERK/eIF2α signaling pathway, thereby reducing the embryo loss rate and preventing abortion in rats with PCOS complicated by hyperandrogenism and insulin resistance-induced fetal loss.
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