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早发性脊柱侧弯合并胸廓发育不良综合征幼猪模型肺组织学及超微结构

李啟堂 代兴飞 张清东 严荣爽 潘呈 费德锐 马裕俭 徐世鑫 张颖

李啟堂, 代兴飞, 张清东, 严荣爽, 潘呈, 费德锐, 马裕俭, 徐世鑫, 张颖. 早发性脊柱侧弯合并胸廓发育不良综合征幼猪模型肺组织学及超微结构[J]. 昆明医科大学学报, 2024, 45(5): 23-28. doi: 10.12259/j.issn.2095-610X.S20240504
引用本文: 李啟堂, 代兴飞, 张清东, 严荣爽, 潘呈, 费德锐, 马裕俭, 徐世鑫, 张颖. 早发性脊柱侧弯合并胸廓发育不良综合征幼猪模型肺组织学及超微结构[J]. 昆明医科大学学报, 2024, 45(5): 23-28. doi: 10.12259/j.issn.2095-610X.S20240504
Qitang LI, Xingfei DAI, Qingdong ZHANG, Rongshuang YAN, Cheng PAN, Derui FEI, Yujian MA, Shixin XU, Ying ZHANG. Histological and Ultrastructural Studies of Lung Tissues in A Piglet Model of Early Onset Scoliosis with Combination of the Thoracic Insufficiency Syndrome[J]. Journal of Kunming Medical University, 2024, 45(5): 23-28. doi: 10.12259/j.issn.2095-610X.S20240504
Citation: Qitang LI, Xingfei DAI, Qingdong ZHANG, Rongshuang YAN, Cheng PAN, Derui FEI, Yujian MA, Shixin XU, Ying ZHANG. Histological and Ultrastructural Studies of Lung Tissues in A Piglet Model of Early Onset Scoliosis with Combination of the Thoracic Insufficiency Syndrome[J]. Journal of Kunming Medical University, 2024, 45(5): 23-28. doi: 10.12259/j.issn.2095-610X.S20240504

早发性脊柱侧弯合并胸廓发育不良综合征幼猪模型肺组织学及超微结构

doi: 10.12259/j.issn.2095-610X.S20240504
基金项目: 国家自然科学基金资助项目(82060414);云南省科技厅-昆明医科大学应用基础联合专项基金资助项目(02101AY070001-150);云南省兴滇英才卫生人才名医专项基金资助项目(XDYCWSRC2022002)
详细信息
    作者简介:

    李啟堂(1996~),男,云南文山人,在读硕士研究生,主要从事脊柱外科临床工作

    通讯作者:

    张颖,E-mail:zhangyingYNKM@126.com

  • 中图分类号: R682.1+3

Histological and Ultrastructural Studies of Lung Tissues in A Piglet Model of Early Onset Scoliosis with Combination of the Thoracic Insufficiency Syndrome

  • 摘要:   目的   探究早发性脊柱侧凸(early onset scoliosis,EOS)合并胸廓发育不良综合征(thoracic insufficiency syndrome,TIS)幼猪在生长友好技术治疗前后肺组织学及超微结构变化。  方法   选择6周龄幼猪,随机分为对照组(n = 3)、模型组(n = 5)和治疗组(n = 5),在6 周龄时构建EOS+TIS幼猪模型。在14周龄时解除拴系的同时行矫正治疗。18周龄时对幼猪实施安乐死,取肺组织行HE染色、Masson染色,对3组肺组织的肺实质、肺血管发育进行病理学观察;通过量化放射状肺泡计数(RAC)、肺泡壁厚度(AWT)、肺泡腔面积比(ASDR)、呼吸膜厚度(RFT)、平均胶原纤维量(ACFV)、肺毛细血管密度(PCD)、肺动脉壁厚度比值(WT%)和肺动脉壁横截面积比值(WA%)指标评价支气管肺发育不良、肺纤维化表现;同时在透射电镜下观察幼猪模型肺组织超微结构的改变。  结果   3组幼猪模型病理学观察:与对照组比较,模型组表现出支气管肺发育不良及肺纤维化,治疗组上述表现获得缓解。 3 组幼猪RAC、AWT、ASDR、RFT、ACFV、PCD组间两两比较,差异有统计学意义(P < 0.05);WT%、WA%组间两两比较,差异无统计学意义(P > 0.05)。透射电镜下模型组细胞结构受到破坏、完整性差,治疗组细胞结构得到改善。  结论  EOS+TIS幼猪肺组织表现出支气管肺发育不良及肺纤维化的特征;运用生长友好技术治疗EOS+TIS幼猪,其支气管肺发育不良及肺纤维化得到一定程度的改善。
  • 图  1  3组幼猪肺组织HE和Masson染色统计结果对比

    A:3组幼猪放射状肺泡计数、肺泡壁厚度统计图;B:3组幼猪肺泡腔面积比、平均胶原纤维量统计图;C:3组幼猪肺毛细血管密度统计图;D:3组幼猪WT%、WA%统计图;E:3组幼猪呼吸膜厚度统计图;*P < 0.05;**P < 0.01;***P < 0.001。

    Figure  1.  Comparison of HE and Masson staining results in 3 groups of piglet lung tissues

    图  2  3组幼猪肺组织HE和Masson染色结果比较(胶原纤维呈蓝色,肌纤维、纤维素和红细胞呈红色)(标尺:100 μm)

    A:对照组肺HE染色;B:模型组肺HE染色;C:治疗组肺HE染色;D:对照组肺Masson染色;E:模型组肺Masson染色;F:治疗组肺Masson染色。

    Figure  2.  Comparison of HE and Masson staining results of lung tissue of three groups of piglets (collagen fibers are blue,muscle fibers,cellulose and red blood cells are red) (scale bar: 100 μm)

    图  3  3组幼猪肺组织透射电镜观察结果

    A:对照组电镜下肺组织;B:模型组电镜下肺组织;C:治疗组电镜下肺组织。

    Figure  3.  Transmission electron microscope observation results of lung tissue of three groups of piglets

    表  1  3组幼猪左侧肺组织HE和Masson染色的测量结果($ \bar x \pm s $)

    Table  1.   Measurement results of HE and Masson staining of left lung tissue of three groups of piglets($ \bar x \pm s $)

    对照组(n=3) 模型组(n=5) 治疗组(n=5) F P
    放射状肺泡计数(个) 9.35±2.77 6.41±2.14* 7.92±3.56*# 19.92 <0.001
    肺泡腔面积比(%) 63.82±8.34 40.06±8.05* 49.49±13.47*# 95.62 <0.001
    呼吸膜厚度(μm) 9.01±1.97 16.35±2.72* 13.29±2.56*# 160.78 <0.001
    肺泡壁厚度(μm) 5.81±2.78 12.04±3.10* 9.44±2.63*# 89.81 <0.001
    平均胶原纤维量 0.02±0.01 0.18±0.02* 0.13±0.02*# 1921.33 <0.001
    毛细血管密度(‰) 29.62±6.66 20.24±5.39 24.36±6.90*# 11.66 <0.001
    肺动脉壁厚度比值(WT%) 55.93±14.29 51.31±10.95 56.56±12.39 1.89 0.156
    肺动脉壁横截面积比值(WA%) 75.66±11.68 72.22±9.65 75.81±9.64 1.38 0.257
      与对照组比较,*P < 0.05;与模型组比较,#P < 0.05;P < 0.001。
    下载: 导出CSV
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  • 收稿日期:  2024-01-12
  • 网络出版日期:  2024-04-29
  • 刊出日期:  2024-05-31

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