实验动物与比较医学 ›› 2023, Vol. 43 ›› Issue (4): 371-380.DOI: 10.12300/j.issn.1674-5817.2023.036
卢今1(
), 王剑1, 朱莲1, 严国锋1, 马政文1, 李垚1, 戴建军2, 朱寅秋1, 周晶1(
)(
)
收稿日期:2023-03-21
修回日期:2023-06-06
出版日期:2023-08-25
发布日期:2023-08-25
通讯作者:
周 晶(1985—),女,生物工程硕士,实验师,研究方向:实验动物医学。E-mail:zj2008@shsmu.edu.cn。ORCID:0009-0005-2626-1561作者简介:卢 今(1990—),女,兽医学硕士,实验师,研究方向:实验动物医学。E-mail:ashleelu@shsmu.edu.cn
基金资助:
Jin LU1(
), Jian WANG1, Lian ZHU1, Guofeng YAN1, Zhengwen MA1, Yao LI1, Jianjun DAI2, Yinqiu ZHU1, Jing ZHOU1(
)(
)
Received:2023-03-21
Revised:2023-06-06
Published:2023-08-25
Online:2023-08-25
Correspondence to:
ZHOU Jing (ORCID: 0009-0005-2626-1561), E-mail: zj2008@shsmu.edu.cn摘要:
目的 建立山羊先兆子痫动物模型,并收集该疾病模型各项生理指标和母体的生物学特性数据,与人类该疾病的发生发展特征相对照,为防治人类先兆子痫疾病的发生提供参考。 方法 将23头雌性崇明白山羊分为3组,其中对照组妊娠母羊临产期前不进行任何手术操作;假手术组在母羊妊娠(100±5)d时行先兆子痫假手术造模,仅暴露并游离其子宫体动脉;手术组于母羊妊娠(100±5)d时,在其一侧子宫体动脉上放置银质血管夹,夹闭动脉部分内径,制作先兆子痫模型。对妊娠100~140 d的对照组和手术组母羊连续监测其心率和后肢血压,并利用血流仪结合血流探头、动物生理信号采集仪采集假手术组母羊的子宫动脉侧支内血流数据,以及手术组母羊在放置血管夹前后子宫动脉侧支内的血流变化情况。在预期分娩日期前,取母羊颈静脉血进行血常规、肌酐、尿素氮和血液离子分析;同时采集各组母羊尿液,进行尿蛋白、尿肌酐分析。所有实验组均于母羊妊娠(140±5)d时行剖宫取胎术,然后取各组母羊的肝、肾、子宫和胎盘组织进行苏木精-伊红染色,以进行病理学观察。 结果 手术造模15 min后手术组母羊的子宫体动脉血流量保持稳定,血流流量差相对于对照组和假手术组均降低(P<0.05,P<0.01)。相较于对照组,手术组母羊在产前出现血清渗透压升高、血红蛋白降低、血糖和血清尿素氮值升高,以及钙、钠、氯离子含量增高等变化(均P<0.05),并出现蛋白尿,尿肌酐及尿蛋白肌酐比均明显高于对照组和假手术组(均P<0.05)。手术组动物的手术侧子宫体动脉弹力层较对侧增厚,但结构松散;手术侧胎盘出现细胞间质肿胀、炎性细胞浸润等病理变化。以上生理指标特征均与人类先兆子痫的临床指标较为一致。 结论 通过血流仪验证,以及妊娠后期母羊各项生理指标检测证明,本实验成功构建了山羊先兆子痫模型,并获得了该模型的相关生理指标数据,进一步验证了先兆子痫疾病与子宫动脉病变的相关性。
中图分类号:
卢今,王剑,朱莲,等. 山羊先兆子痫疾病模型的构建及母体生物学特性评价[J]. 实验动物与比较医学, 2023, 43(4): 371-380. DOI: 10.12300/j.issn.1674-5817.2023.036.
Jin LU,Jian WANG,Lian ZHU,et al. Establishment of Preeclampsia Model in Goat and Evaluation on Maternal Biological Characteristics[J]. Laboratory Animal and Comparative Medicine, 2023, 43(4): 371-380. DOI: 10.12300/j.issn.1674-5817.2023.036.
图1 子宫腹侧面血管走向和子宫体动脉上银夹放置位置示意图
Figure 1 Anterior exposure of uterine arteries and the position of the silver clamp placement on uterine body artery
图2 先兆子痫造模后妊娠山羊的血流量、血压及心率情况
Figure 2 Blood flow, blood pressure and heart rate of pregnant goats after preeclampsia modelling
)项目 Item | 手术组(n=8) Surgical group (n=8) | 对照组(n=11) Control group (n=11) | |
|---|---|---|---|
术后5 d Postoperation 5 d | 产前 Before parturition | ||
白细胞计数/(103·μL-1) White blood cell count/(103·μL-1) | 38.26±2.81 | 34.00±2.99 | 40.62±1.70 |
淋巴细胞百分比/% Lymphocyte/% | 58.68±2.28 | 58.42±4.22 | 60.94±2.05 |
中间细胞百分比/% Intermediate cell/% | 7.20±1.07 | 7.60±1.09 | 6.61±0.73 |
粒细胞百分比/% Granulocyte/% | 34.12±1.77 | 33.98±3.18 | 32.45±1.63 |
淋巴细胞计数/(103·μL-1) Lymphocyte count/(103·μL-1) | 22.50±1.86 | 20.13±2.85 | 24.81±1.44 |
粒细胞计数/(103·μL-1) Granulocyte count/(103·μL-1) | 12.90±0.81 | 11.30±0.64 | 13.06±0.68 |
红细胞计数/(106·μL-1) Red blood cell count/(106·μL-1) | 1.14±0.14 | 0.65±0.04* | 1.58±0.17 |
血红蛋白计数/(g·L-1) haemoglobin count/(g·L-1) | 101.40±4.24 | 87.75±4.71* | 117.27±5.32 |
血细胞压积/% Packed cell volume/% | 4.52±0.62 | 2.50±0.16* | 6.49±0.76 |
平均红细胞压积/fL Mean corpuscular volume/fL | 40.18±0.31 | 39.53±0.30* | 41.16±0.30 |
平均红细胞血红蛋白量/pg Mean corpuscular hemoglobin/pg | 94.00±10.30 | 135.18±6.02**** | 77.99±4.33 |
平均红细胞血红蛋白浓度/(g·L-1) Mean corpusular hemoglobin concerntration/(g·L-1) | 2 397±286 | 3 526±154**** | 1 924±118 |
红细胞分别宽度变异系数/% coefficient variation of red blood cell volume distribution width/% | 17.26±0.61 | 16.33±0.69 | 17.41±0.43 |
中间细胞计数/(103·μL-1) Intermediate cell count/(103·μL-1) | 2.58±0.44 | 2.40±0.22 | 2.99±0.34 |
表1 先兆子痫山羊模型的血常规组间比较 (
)
Table 1 Comparison of blood routine between groups in preeclampsia goat model
项目 Item | 手术组(n=8) Surgical group (n=8) | 对照组(n=11) Control group (n=11) | |
|---|---|---|---|
术后5 d Postoperation 5 d | 产前 Before parturition | ||
白细胞计数/(103·μL-1) White blood cell count/(103·μL-1) | 38.26±2.81 | 34.00±2.99 | 40.62±1.70 |
淋巴细胞百分比/% Lymphocyte/% | 58.68±2.28 | 58.42±4.22 | 60.94±2.05 |
中间细胞百分比/% Intermediate cell/% | 7.20±1.07 | 7.60±1.09 | 6.61±0.73 |
粒细胞百分比/% Granulocyte/% | 34.12±1.77 | 33.98±3.18 | 32.45±1.63 |
淋巴细胞计数/(103·μL-1) Lymphocyte count/(103·μL-1) | 22.50±1.86 | 20.13±2.85 | 24.81±1.44 |
粒细胞计数/(103·μL-1) Granulocyte count/(103·μL-1) | 12.90±0.81 | 11.30±0.64 | 13.06±0.68 |
红细胞计数/(106·μL-1) Red blood cell count/(106·μL-1) | 1.14±0.14 | 0.65±0.04* | 1.58±0.17 |
血红蛋白计数/(g·L-1) haemoglobin count/(g·L-1) | 101.40±4.24 | 87.75±4.71* | 117.27±5.32 |
血细胞压积/% Packed cell volume/% | 4.52±0.62 | 2.50±0.16* | 6.49±0.76 |
平均红细胞压积/fL Mean corpuscular volume/fL | 40.18±0.31 | 39.53±0.30* | 41.16±0.30 |
平均红细胞血红蛋白量/pg Mean corpuscular hemoglobin/pg | 94.00±10.30 | 135.18±6.02**** | 77.99±4.33 |
平均红细胞血红蛋白浓度/(g·L-1) Mean corpusular hemoglobin concerntration/(g·L-1) | 2 397±286 | 3 526±154**** | 1 924±118 |
红细胞分别宽度变异系数/% coefficient variation of red blood cell volume distribution width/% | 17.26±0.61 | 16.33±0.69 | 17.41±0.43 |
中间细胞计数/(103·μL-1) Intermediate cell count/(103·μL-1) | 2.58±0.44 | 2.40±0.22 | 2.99±0.34 |
图3 先兆子痫造模后妊娠山羊的血液及尿液生化指标检测结果
Figure 3 Blood and urinary biochemical results of preeclampsia modeling goat before parturition
图4 先兆子痫造模后妊娠山羊生产时的手术侧与非手术侧胎盘病理变化(苏木精-伊红染色)
Figure 4 Pathologic changes in the placenta on the operated and non-operated side during parturition in goats after preeclampsia modeling(HE staining)
图5 先兆子痫造模后妊娠山羊生产时的两侧子宫体动脉外观及病理比较
Figure 5 Comparison of the appearance and pathology of the uterine body arteries on surgical and non-surgical side of the uterus at the time of parturition in pregnant goats after preeclampsia modeling
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