Antitumor Effect of Dihydroartemisinin on Diffuse Large B-Cell Lymphoma
OBJECTIVE: To investigate the potential antitumor effect and its mechanism of dihydroartemisinin (DHA) on diffuse large B-cell lymphoma (DLBCL).
METHODS: OCI-Ly7 cells were respectively treated with different concentrations of DHA (0, 12.5, 25, 50 and 100 μmol/L) , CCK-8 was used to detect the cells viability. Subsequently, OCI-Ly7 cells were divided into 5 groups : DHA 0,25,50,100 μmol / L and DHA (100 μmol / L) + Colivelin (STAT3 activator). Aldehyde dehydrogenase (ALDH) positive cells were sorted by flow cytometry, the sphere-forming ability of stem cells was detected. Transwell assay and scratch test were used to analyze the invasion and migration of cells. Western blot was used to detect the expression of migration and invasion-related proteins, as well as the phosphorylation levels of Janus kinase 2 (JAK2) and signal transducer and activator of transcription 3(STAT3).
RESULTS: DHA induced obvious cytotoxicity to OCI-Ly7 cells. Compared with the control group, the stem cell-like properties, invasion and migration of OCI-Ly7 were significantly inhibited in DHA 50 μmol/L group and 100 μmol/L group, while the phosphorylation levels of JAK2 and STAT3 were significantly reduced. There was no significant difference in DHA 25 μmol/L group compared with the control group. Treated with Colivelin, the inhibition of DHA on OCI-Ly7 stem cell-like properties, invasion and migration was significantly reversed, and the expression of p-STAT3 was significantly up-regulated.
CONCLUSION: DHA has antitumor effect on DLBCL, and its mechanism may be through inhibiting the activation of JAK2/STAT3 pathway to inhibit the stem cell-like properties, invasion and migration of DLBCL cells.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:30 |
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| Enthalten in: |
Zhongguo shi yan xue ye xue za zhi - 30(2022), 5 vom: 02. Okt., Seite 1428-1434 |
| Sprache: |
Chinesisch |
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| Beteiligte Personen: |
Zhang, Yan [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 11.10.2022 Date Revised 13.10.2022 published: Print Citation Status MEDLINE |
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| doi: |
10.19746/j.cnki.issn.1009-2137.2022.05.019 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM347235239 |
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| 500 | |a Date Revised 13.10.2022 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a OBJECTIVE: To investigate the potential antitumor effect and its mechanism of dihydroartemisinin (DHA) on diffuse large B-cell lymphoma (DLBCL) | ||
| 520 | |a METHODS: OCI-Ly7 cells were respectively treated with different concentrations of DHA (0, 12.5, 25, 50 and 100 μmol/L) , CCK-8 was used to detect the cells viability. Subsequently, OCI-Ly7 cells were divided into 5 groups : DHA 0,25,50,100 μmol / L and DHA (100 μmol / L) + Colivelin (STAT3 activator). Aldehyde dehydrogenase (ALDH) positive cells were sorted by flow cytometry, the sphere-forming ability of stem cells was detected. Transwell assay and scratch test were used to analyze the invasion and migration of cells. Western blot was used to detect the expression of migration and invasion-related proteins, as well as the phosphorylation levels of Janus kinase 2 (JAK2) and signal transducer and activator of transcription 3(STAT3) | ||
| 520 | |a RESULTS: DHA induced obvious cytotoxicity to OCI-Ly7 cells. Compared with the control group, the stem cell-like properties, invasion and migration of OCI-Ly7 were significantly inhibited in DHA 50 μmol/L group and 100 μmol/L group, while the phosphorylation levels of JAK2 and STAT3 were significantly reduced. There was no significant difference in DHA 25 μmol/L group compared with the control group. Treated with Colivelin, the inhibition of DHA on OCI-Ly7 stem cell-like properties, invasion and migration was significantly reversed, and the expression of p-STAT3 was significantly up-regulated | ||
| 520 | |a CONCLUSION: DHA has antitumor effect on DLBCL, and its mechanism may be through inhibiting the activation of JAK2/STAT3 pathway to inhibit the stem cell-like properties, invasion and migration of DLBCL cells | ||
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