Effect of Jiawei Duhuo Jisheng Mixture (加味独活寄生合剂) on Autophagy and Apoptosis-related Proteins of Articular Cartilage Tissue in Rabbit Model of Knee Osteoarthritis
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Effect of Jiawei Duhuo Jisheng Mixture (加味独活寄生合剂) on Autophagy and Apoptosis-related Proteins of Articular Cartilage Tissue in Rabbit Model of Knee Osteoarthritis
Journal of Traditional Chinese MedicineVol. 63, Issue 8, Pages: 773-780(2022)
ZENG Fan,CHENG Baiyi,WANG Kang,et al.Effect of Jiawei Duhuo Jisheng Mixture (加味独活寄生合剂) on Autophagy and Apoptosis-related Proteins of Articular Cartilage Tissue in Rabbit Model of Knee Osteoarthritis[J].Journal of Traditional Chinese Medicine,2022,63(08):773-780.
ZENG Fan,CHENG Baiyi,WANG Kang,et al.Effect of Jiawei Duhuo Jisheng Mixture (加味独活寄生合剂) on Autophagy and Apoptosis-related Proteins of Articular Cartilage Tissue in Rabbit Model of Knee Osteoarthritis[J].Journal of Traditional Chinese Medicine,2022,63(08):773-780.DOI: 10.13288/j.11-2166/r.2022.08.014.
Effect of Jiawei Duhuo Jisheng Mixture (加味独活寄生合剂) on Autophagy and Apoptosis-related Proteins of Articular Cartilage Tissue in Rabbit Model of Knee Osteoarthritis
(JDJM, 加味独活寄生合剂) in the treatment of knee osteoarthritis (KOA).
Methods
2
Forty-six male New Zealand white rabbits were randomly divided into blank group (n=8), conventional model group (n=19) and 3MA autophagy inhibitor model group (n=19). The conventional model group used polymer resin plaster bandage for immobilization of the right hindlimb to establish the KOA model, while the 3MA autophagy inhibitor model group used the autophagy inhibitor 3MA by joint cavity injection additionally to establish the model, with a period of six weeks. After successful modeling, the conventional model group was divided into model group and JDJM group, while the 3MA autophagy inhibitor group was divided into 3MA group and 3MA+JDJM group, with eight rabbits in each group. Both the JDJM group and the 3MA+JDJM group were given 2.26 g/kg of JDJM by gavage, while the other groups were given 3.4 mL/kg of distilled water by gavage, twice daily for four weeks. The cartilage of the knee joints was observed, and the histopathological changes of cartilage were detected by hematoxylin-eosin (HE) staining and quantitatively evaluated by Pelletier's and Mankin's scoring criteria, respectively. The mRNA and protein expression levels of autophagy-related proteins including autophagy-related 7 (ATG7), autophagy key molecule yeast Atg6 homolog 1(Beclin-1), microtubule-associated protein 1 light chain 3(LC3) and apoptosis-related proteins including B-cell lymphoma 2 (Bcl-2) and cysteine protease 3 (Caspase3) in cartilage tissues of rabbits were measured.
Results
2
Compared to those in the blank group, the cartilage damage in the model group was obvious; the Pelletier score and Mankin score significantly increased, and the mRNA expression levels of Beclin-1, LC3, ATG7, Bcl-2 and Caspase-3 as well as the protein expression levels of Beclin-1, LC3, ATG7 and Caspase-3 significantly increased (
P
<0.05 or
P
<0.01). Compared to those in the model group, the articular cartilage damage was improved in the JDJM group; the Pelletier score and Mankin score were reduced; the mRNA and protein expression levels of Beclin-1, LC3, ATG7 and Bcl-2 significantly increased, while those of Caspase-3 in the cartilage tissue were reduced (
P
<0.05 or
P
<0.01). Compared to the JDJM group, the 3MA+JDJM group had higher Pelletier score and Mankin score, lower mRNA and protein expression levels of Beclin-1, LC3, ATG7, and Bcl-2, and higher Caspase3 mRNA expression level (
P
<0.05 or
P
<0.01).
Conclusion
2
JDJM has a protective effect on the articular cartilage of knee osteoarthritic rabbits, which may be achieved by inducing cartilage autophagy and inhibiting apoptosis.
关键词
Keywords
references
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