Effect of Shengma Biejia Decoction (升麻鳖甲汤) on Bone Marrow Mitochondrial Fission and Expression of Autophagy-related Proteins in Acute Myeloid Leukemia Model Mice
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Effect of Shengma Biejia Decoction (升麻鳖甲汤) on Bone Marrow Mitochondrial Fission and Expression of Autophagy-related Proteins in Acute Myeloid Leukemia Model Mice
Journal of Traditional Chinese MedicineVol. 64, Issue 14, Pages: 1475-1482(2023)
SI Yuping,CUI Siyuan,WEI Wenjian,et al.Effect of Shengma Biejia Decoction (升麻鳖甲汤) on Bone Marrow Mitochondrial Fission and Expression of Autophagy-related Proteins in Acute Myeloid Leukemia Model Mice[J].Journal of Traditional Chinese Medicine,2023,64(14):1475-1482.
SI Yuping,CUI Siyuan,WEI Wenjian,et al.Effect of Shengma Biejia Decoction (升麻鳖甲汤) on Bone Marrow Mitochondrial Fission and Expression of Autophagy-related Proteins in Acute Myeloid Leukemia Model Mice[J].Journal of Traditional Chinese Medicine,2023,64(14):1475-1482.DOI: 10.13288/j.11-2166/r.2023.14.012.
Effect of Shengma Biejia Decoction (升麻鳖甲汤) on Bone Marrow Mitochondrial Fission and Expression of Autophagy-related Proteins in Acute Myeloid Leukemia Model Mice
(升麻鳖甲汤, SBD) in the treatment of acute myeloid leukemia (AML).
Methods
2
Forty-eight NSG immunodeficient mice were randomly divided into blank group, model group, whole and disassembled SBD groups, with 12 mice in each group. Except for the blank group, the whole body of the mice in the other groups were irradiated by a small animal irradiator (200 cGy
60
Co), and then injected with 1×10
6
(0.2 ml) of KG-1a cells in the logarithmic growth phase into the tail vein to establish the AML mouse model. One week later, the successfully modeled mice in the the model group and the blank control group were given 0.1 ml of normal saline per time by gavage, while those in the whole and disassembled SBD groups were given 0.1 ml of SBD with a concentration of 1.73 g/ml and 1.43 g/ml per time by gavage, respectively, twice daily for 28 days. The general condition of the mice was observed every day, and the survival condition was recorded every two days. After 28 days, the peripheral blood indicators including the absolute value of white blood cells, hemoglobin value, and platelet count were detected. HE staining was used to observe the pathological changes of liver, spleen and bone marrow in mice. Western blot and immunofluorescence (IF) were used to detect the expression levels of mitochondrial mitosis related proteins including dynamin-related protein 1 (Drp1) and mitochondrial fission protein 1 (Fis1), as well as mitophagy-related proteins PTEN-induced kinase (Pink1) and E3 ubiquitin ligase (Parkin).
Results
2
The survival rate of the blank group was 83.33% (10/12), while that of the model group, the whole and dissembled SBD groups was 25.00% (3/12), 66.67% (8/12), and 41.67% (5/12), respectively, showing statistically significant difference (
P
<0.05). In the model group, infiltrated leukemia cells were found in the bone marrow, spleen and liver, and spleen tissue structure was damaged, with scattered focal degeneration and necrosis in the liver. In the SBD groups, the infiltration of leukemic cells in bone marrow, spleen and liver of mice in each group was alleviated, and the tissue structure was slightly damaged; more improvements were seen in the whole SBD group. Compared to those in the blank group, the absolute value of peripheral while blood cells in the other groups increased, while the hemoglobin level, platelet count, and the expression of Drp1, Fis1, Pink1 and Parkin decreased significantly (
P
<0.05). Compared to those in the model group, the absolute value of while blood cells decreased, while hemoglobin, platelet count and expression of proteins Drp1, Fis1, Pink1, and Parkin increased in the whole SBD group (
P
<0.05); the absolute value of while blood cells decreased, while hemoglobin, platelet count, and the expression of protein Fis1 and Pinkin increased in the dissembled SBD group (
P
<0.05). The absolute value of white blood cells was lower, and the bone marrow Drp1 and Pink1 protein expressions were higher in the whole SBD group than in the dissembled SBD groupthan (
P
<0.05).
Conclusion
2
SBD can improve the survival condition and survival time of AML model mice, and improve the histopathological damage of liver, spleen and bone marrow, and the whole SBD group shows better effect than the disassembled prescription. Its mechanism may be related to the up-regulation of mitochondrion dynamic division and the promotion of autophagy.
关键词
Keywords
references
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Related Institution
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