天津中医药大学第一附属医院,天津市西青区李七庄昌凌路88号,300193
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收稿:2022-01-10,
修回:2022-05-05,
纸质出版:2022-10-17
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冯伟华,赵晓丽,陈明丽等.基于Wnt通路探讨温阳化浊方含药血清对Ishikawa和JAr细胞胚胎种植模型的影响[J].中医杂志,2022,63(20):1975-1984.
FENG Weihua,ZHAO Xiaoli,CHEN Mingli,et al.The Effect of Wenyang Huazhuo Formula (温阳化浊方)-containing Serum on Ishikawa and JAr Cell Embryo Implantation Model based on Wnt Pathway[J].Journal of Traditional Chinese Medicine,2022,63(20):1975-1984.
冯伟华,赵晓丽,陈明丽等.基于Wnt通路探讨温阳化浊方含药血清对Ishikawa和JAr细胞胚胎种植模型的影响[J].中医杂志,2022,63(20):1975-1984. DOI: 10.13288/j.11-2166/r.2022.20.013.
FENG Weihua,ZHAO Xiaoli,CHEN Mingli,et al.The Effect of Wenyang Huazhuo Formula (温阳化浊方)-containing Serum on Ishikawa and JAr Cell Embryo Implantation Model based on Wnt Pathway[J].Journal of Traditional Chinese Medicine,2022,63(20):1975-1984. DOI: 10.13288/j.11-2166/r.2022.20.013.
目的
2
探讨温阳化浊方促进胚胎种植的可能作用机制。
方法
2
将20只大鼠随机分为温阳化浊方组和空白组,每组10只。温阳化浊方组大鼠给予温阳化浊方药液21.05 g/kg连续灌胃7天,空白组不予灌胃,制备温阳化浊方含药血清和空白血清。体外培养THP-1单核细胞,佛波酯(PMA)诱导分化成巨噬细胞,再用20 ng/ml脂多糖(LPS)和20 ng/ml
γ干扰素(IFN-γ)诱导巨噬细胞M1极化。M1型巨噬细胞分别加入2%、4%、8%、10%、15%、20%的温阳化浊方含药血清和空白血清培养,采用CCK8法检测细胞存活率,选取最大无毒剂量的温阳化浊方含药血清进行后续实验。M1型巨噬细胞分为:模型1组、温阳化浊方含药血清1组、空白血清1组,在诱导M1极化后,温阳化浊方含药血清1组给予筛选浓度的温阳化浊方含药血清,空白血清1组给予同浓度的空白血清,各组均干预24 h和48 h,Real-time PCR法检测M1型巨噬细胞标志物肿瘤坏死因子α(TNF-α)、白细胞介素1β(IL-1β)和M2型巨噬细胞标志物趋化因子配体18(CCL-18)、甘露糖受体C型1(MRC-1)mRNA表达。采用Transwell体系共培养M1型巨噬细胞、Ishikawa细胞和JAr细胞,建立体外胚胎种植模型。将胚胎种植模型细胞分为:非容受态组(只包含Ishikawa细胞)、容受态组(包含Ishikawa细胞和JAr细胞)、模型2组(M1型巨噬细胞与Ishikawa细胞、JAr细胞共培养)、温阳化浊方含药血清2组和空白血清2组。温阳化浊方含药血清2组和空白血清2组在M1型巨噬细胞与Ishikawa细胞共培养的同时,分别给予筛选浓度的温阳化浊方含药血清和空白血清干预48 h,再与JAr细胞共培养。Real-time PCR方法检测Wnt通路相关因子Wnt4、Wnt6、Wnt7b、Wnt11、β-连环蛋白(β-catenin)和子宫内膜容受性标志分子整合素αV(ITGαV)、整合素β3(ITGβ3)、整合素β5(ITGβ5)、E-钙黏蛋白(E-cadherin)、L-选择素(L-selectin)的mRNA表达;免疫荧光法检测Wnt通路下游分子原癌基因(C-Jun)、间质上皮转换因子(Met)、淋巴细胞增强结合因子1 (LEF1)的表达;因非容受态组无JAr细胞球黏附,观察其余各组的JAr细胞黏附率。
结果
2
根据细胞存活率结果,选择10%温阳化浊方含药血清进行后续实验。干预48 h时,与模型1组比较,温阳化浊方含药血清1组TNF-α和IL-1β mRNA表达显著降低,CCL-18和MRC-1 mRNA表达显著升高(
P
<0.01),空白血清1组TNF-α mRNA表达显著降低(
P
<0.05);与温阳化浊方含药血清1组比较,空白血清1组CCL-18和MRC-1 mRNA表达均显著降低(
P
<0.01)。与非容受态组比较,容受态组细胞中Wnt4、Wnt6、Wnt7b、Wnt11、β-catenin、ITGαV、ITGβ3、ITGβ5、E-cadherin、L-selectin mRNA及C-Jun蛋白表达显著升高(
P
<0.05或
P
<0.01);与容受态组比较,模型2组Wnt4、Wnt6、Wnt7b、Wnt11、β-catenin、ITGαV、ITGβ3、ITGβ5、E-cadherin、L-selectin mRNA及C-Jun蛋白表达,JAr细胞的黏附率显著降低(
P
<0.05或
P
<0.01);与模型2组比较,温阳化浊方含药血清2组Wnt4、Wnt6、Wnt7b、Wnt11、β-catenin、ITGαV、ITGβ3、ITGβ5 mRNA及C-Jun蛋白表达,JAr细胞的黏附率均显著升高(
P
<0.01),空白血清2组各指标差异无统计学意义(
P
>0.05)。
结论
2
温阳化浊方含药血清通过抑制M1型巨噬细胞极化,上调Wnt通路,提高子宫内膜容受性,从而促进慢性子宫内膜炎的胚胎种植。
Objective
2
To explore the possible mechanism of
Wenyang Huazhuo Formula
(温阳化浊方, WHF) in promoting embryo implantation.
Methods
2
Twenty rats were randomly divided into WHF group and blank group, with 10 rats in each group. Rats in the WHF group were given 21.05 g/kg of WHF liquid by gavage for 7 days, while those in the blank group was not given intragastric administration, so as to prepare WHF-containing serum and blank serum. THP-1 monocytes were cultured in vitro and were differentiated into macrophages induced by phorbol ester (PMA). Furthermore, 20 ng·ml
-1
lipopolysaccharide (LPS) and 20 ng·ml
-1
gamma Interferon (IFN)-γ) were used to induce M1 polarization of macrophages. M1 macrophages were cultured in the 2%, 4%, 8%, 10%, 15%, and 20% WHF-containing serum and blank serum. CCK8 method was used to detect cell viability, and WHF-containing serum having the nontoxic maximum content were selected for follow-up experiment. M1 macrophages were divided into three groups: model 1 group, WHF-containing serum 1 group, and blank serum 1 group. After M1 macrophages polarization, WHF-containing serum 1 group was given selected concentration of WHF-containing serum, while blank serum 1 group was given same concentration of blank serum for 24 and 48 hours. Real-time fluorescence quantitative PCR (Real-time PCR) was used to detect mRNA expression of M1 macrophage markers including tumor necrosis factor-α (TNF-α) and interleukin 1β (IL-1β) and M2 macrophage markers including chemokine ligand 18 (CCL-18) and mannose receptor type C-1 (MRC-1). Transwell system was used to co-culture M1 macrophages, Ishikawa cells and JAr cells to establish an in vitro embryo implantation model. These cells were divided into five groups: non-receptive group (only Ishikawa cells), receptive group (including Ishikawa cells and JAr cells), model 2 group (M1 macrophages co-cultured with Ishikawa cells and JAr cells), WHF-containing serum 2 group and blank serum 2 group. While M1 macrophages were co-cultured with Ishikawa cells, the latter two groups were administered with selected concentration of WHF-containing serum and blank serum respectively for 48 hours, and then were co-cultured with JAr cells. Real-time PCR was used to detect mRNA expression of Wnt pathway related factors including Wnt4, Wnt6, Wnt7b, Wnt11 and β-catenin and endometrial receptive markers including integrin αV (ITGαV), integrin β3 (ITGβ3), integrin β5 (ITGβ5), E-cadherin and L-selectin. Immunofluorescence assay was used to detect the expression of downstream molecules of Wnt pathway including proto-oncogene (C-Jun), mesenchymal transition factor (Met) and lymphocyte enhancer binding factor 1 (LEF1). JAr cell adhesion rate was measured in all the groups except for non-receptive group where there was no JAr cell spheroid adhesion.
Results
2
According to the results of cell viability, 10% WHF-containing serum was used for subsequent experiments. After 48 hours, compared to those in the model 1 group, the mRNA expression of TNF- α and IL-1 β were reduced significantly, while CCL-18 and MRC-1 mRNA expression increased in the WHF-containing serum 1 group (
P
<0.01),and TNF- α mRNA expression significantly decreased in the blank serum 1 group (
P
<0.05). The mRNA expression of CCL-18 and MRC-1 were significantly lower in the blank serum 1 group than the WHF-containing serum 1 group (
P
<0.01). Compared to the non-receptive group, the receptive group had significantly increased mRNA expressions of Wnt4, Wnt6, Wnt7b, Wnt11, β-catenin, ITGαV, ITGβ3, ITGβ5, E-cadherin and L-selectin and protein expression of C-Jun (
P
<0.05 or
P
<0.01). Compared to the receptive group, the model 2 group had significantly decreased mRNA expressions of Wnt4, Wnt6, Wnt7b, Wnt11, β-catenin, ITGαV, ITGβ3, ITGβ5, E-cadherin and L-selectin, protein expression of C-Jun, and the adhesion rate of JAr cells (
P
<0.05 or
P
<0.01). Compared to those in the model 2 group, the mRNA expressions of Wnt4, Wnt6, Wnt7b, Wnt11, β-catenin, ITGαV, ITGβ3 and ITGβ5, protein expression of C-Jun, and the adhesion rate of JAr cells increased significantly in the WHF-containing serum 2 group (
P
<0.01), while there was no significant differences with blank serum 2 group (
P
>0.05).
Conclusion
2
WHF-containing serum can inhibit the polarization of M1 macrophages, up-regulate Wnt pathway, and improve endometrial receptivity, thereby promoting embryo implantation in chronic endometritis.
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