ReferenceID 5395
Alantolactone inhibits cell autophagy and promotes apoptosis via AP2M1 in acute lymphoblastic leukemia
Cancer Cell Int
Background: Acute lymphoblastic leukemia (ALL) is an aggressive hematopoietic malignancy that is most commonly observed in children. Alantolactone (ALT) has been reported to exhibit anti-tumor activity in different types
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Record Fields
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- Reference Id
- 5395
- Evidence Id
- 21985
- Core Evidence Id
- 21985
- Source Reference Id
- 4048
- Herb2 Reference Id
- HBREF004845
- Subject Paper Key
- HBIN028928_32943990
- Pubmed Id
- 32943990
- Doi
- 10.1186/s12935-020-01537-9
- Paper Title
- Alantolactone inhibits cell autophagy and promotes apoptosis via AP2M1 in acute lymphoblastic leukemia
- Paper Abstract
- Background: Acute lymphoblastic leukemia (ALL) is an aggressive hematopoietic malignancy that is most commonly observed in children. Alantolactone (ALT) has been reported to exhibit anti-tumor activity in different types of cancer. The aim of the present study was to investigate the anti-tumor activity and molecular mechanism of ALT in ALL. Methods: ALL cell lines were treated with 1, 5 and 10 muM ALT, and cell viability was assessed using an MTT assay and RNA sequencing. Flow cytometry, JC-1 staining and immunofluorescence staining assays were used to measure cell apoptosis and autophagy. Additionally, western blot analysis was used to detect expression of apoptosis and autophagy related proteins. Finally, the effects of ALT on tumor growth were assessed in a BV173 xenograft nude mouse model. Results: ALT inhibited the proliferation of ALL cells in a dose-dependent manner. Additionally, it was demonstrated that ALT inhibited cell proliferation, colony formation, autophagy, induced apoptosis and reduced tumor growth in vivo through upregulating the expression of adaptor related protein complex 2 subunit mu 1 (AP2M1). Moreover, the autophagy activator rapamycin, attenuated the pro-apoptotic effects of ALT on BV173 and NALM6 cell lines. Overexpression of AP2M1 decreased the expression of Beclin1 and the LC3-II/LC3-1 ratio, and increased p62 expression. Knockdown of Beclin1 increased the levels of bax, cleaved caspase 3 and cytochrome C, and decreased bcl-2 expression. Conclusions: The present study demonstrated that ALT exerts anti-tumor activity through inducing apoptosis and inhibiting autophagy by upregulating AP2M1 in ALL, highlighting a potential therapeutic strategy for treatment of ALL.
- Journal
- Cancer Cell Int
- Publish Year
- 2020
- Experiment Subject
- mouse; all cell lines; all cells; bv173 and nalm6 cell lines; children
- Experiment Type
- Animal & Cell Experiment
- Phenotype Related
- Tumor; Cancer; Hematopoietic Malignancy; Acute Lymphoblastic Leukemia
- Paper Title Cn
- Paper Title En
- Alantolactone inhibits cell autophagy and promotes apoptosis via AP2M1 in acute lymphoblastic leukemia
- Bilingual Status
- semi_complete