畜牧兽医学报 ›› 2023, Vol. 54 ›› Issue (3): 1273-1280.doi: 10.11843/j.issn.0366-6964.2023.03.038

• 临床兽医 • 上一篇    下一篇

枸杞酰胺体外对镉致成骨细胞凋亡的保护作用

常颖艳1,3, 赵鸿雁2,3, 胡茂志1,3, 刘宗平2,3*   

  1. 1. 扬州大学生物科学与技术学院, 扬州 225009;
    2. 扬州大学兽医学院, 扬州 225009;
    3. 江苏高校动物重要疫病与人兽共患病防控协同创新中心, 扬州 225009
  • 收稿日期:2022-08-08 出版日期:2023-03-23 发布日期:2023-03-21
  • 通讯作者: 刘宗平,主要从事动物营养代谢病与中毒病研究,E-mail:liuzongping@yzu.edu.cn
  • 作者简介:常颖艳(1997-),女,江苏丹阳人,硕士生,主要从事动物营养代谢病与中毒病研究,E-mail:1932469462@qq.com
  • 基金资助:
    国家自然科学基金资助项目(32172923);江苏省高等学校自然科学研究重大项目(20KJA230002);江苏高校优势学科建设工程资助项目(PAPD)

Protective Effect of Aurantiamide Acetate on Cd-induced Apoptosis of Osteoblasts in vitro

CHANG Yingyan1,3, ZHAO Hongyan2,3, HU Maozhi1,3, LIU Zongping2,3*   

  1. 1. College of Bioscience and Biotechnology, Yangzhou University, Yangzhou 225009, China;
    2. College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China;
    3. Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China
  • Received:2022-08-08 Online:2023-03-23 Published:2023-03-21

摘要: 旨在探究枸杞酰胺(aurantiamide acetate, AA)在镉(Cd)致成骨细胞凋亡中的保护效应,本研究以ROS1728大鼠成骨细胞系为研究对象, 添加5 μg·mL-1 AA预处理3 h后,加入20 μg·mL-1氯化镉(CdCl2)继续处理6 h。利用流式细胞术检测细胞凋亡率、线粒体膜电位(mitochondrial membrane potential, MMP)、活性氧簇(reactive oxygen species, ROS),Western blot 检测Bcl-2、Bax蛋白,高内涵细胞成像分析系统观察和分析细胞线粒体纹理结构和指数变化。结果显示,经过AA预处理后,较Cd处理组, AA极显著抑制Cd导致的ROS1728细胞凋亡率上升,Bax/Bcl-2比值增高,MMP下降,线粒体纹理结构指数下降,ROS含量增多(P<0.01)。上述结果表明,AA通过降低细胞内过氧化物含量,维持细胞线粒体结构的完整,抑制镉诱导的ROS1728细胞凋亡。

关键词: 镉, 枸杞酰胺, ROS1728, 凋亡, 线粒体, ROS

Abstract: This study aimed to explore the protective effect of aurantiamide acetate (AA) on cadmium (Cd)-induced apoptosis of osteoblasts. ROS1728 cells were used as osteoblast model. ROS1728 cells were pretreated with 5 μg·mL-1 AA for 3 h, and then treated with 20 μg·mL-1 CdCl2 for 6 h. Flow cytometry was applied to detect cell apoptotic rate, mitochondrial membrane potential (MMP), and content of reactive oxygen species (ROS). Western blot was used to detect the expression of Bcl-2 and Bax. After Mito-tracker Red staining, High Content Analysis System (HCAS) was used to observe and analyze cellular mitochondrial texture index and structural changes. The results showed that compared with Cd treatment group, AA pretreatment significantly inhibited Cd-induced apoptosis rate increase Bax / Bcl-2 ratio rise, MMP decrease, mitochondrial texture structure index decline and ROS accumulation (P<0.01). The results showed that AA could inhibit Cd-induced apoptosis of ROS1728 cells by maintaining the integrity of mitochondrial structure via reducing the content of peroxide.

Key words: cadmium, aurantiamide acetate, ROS1728, apoptosis, mitochondrion, ROS

中图分类号: