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Published on: June 6, 2025
The anti-apoptosis effect of MLAA-34 in leukemia and the β-catenin/T cell factor 4 protein pathway
Lu Qian1, Wanggang Zhang2, Pengyu Zhang2
1Department of Clinical Hematology, Affiliated No. 2 Hospital, Xi'an Jiaotong University School of MedicineThe West Five Road, 157#, Xi'an 710004, Shaanxi, China; Department of Medicine, The Fourth Hospital of Xi'anNo. 21 Jiefang Road, Shaanxi 710004, China.
Abstract:
Objective This study aims to observe the effects of MLAA-34 gene in leukemia and explore its mechanism. Methods MLAA-34 RNAi vector was constructed. NOD/SCID mice and 293T cells, K562 cells, HL60 cells and U937 cells were used in this study. They were divided into MLAA-34-siRNA group and control group. The proliferation ability and apoptosis of cells were detected. The expression levels of β-Catenin and TCF 4 were determined using western blotting and immunohistochemical methods. Results There was significant correlation between MLAA-34 gene and U937 cell proliferation, the apoptosis rates of U937 cells with siRNA infection were higher than that of control group. There were significant differences in the expression levels of β-Catenin and TCF 4 between U937 cells and U937 with MLAA-34-siRNA cells group. Conclusions MLAA-34 gene had anti-apoptotic effect in leukemia, which maybe through the β-Catenin/TCF 4 pathway.
Insights
The MLAA-34 gene demonstrates an anti-apoptotic effect in leukemia, potentially by influencing the beta-Catenin/TCF 4 pathway. This finding offers new insights into leukemia mechanisms and potential therapeutic targets.
Area of Science:
- Molecular Biology
- Cancer Research
- Genetics
Background:
- Leukemia remains a significant health challenge, necessitating research into novel genetic factors.
- Understanding gene function in leukemia progression is crucial for developing targeted therapies.
Purpose of the Study:
- To investigate the role of the MLAA-34 gene in leukemia.
- To elucidate the underlying molecular mechanisms of MLAA-34's effect on leukemia cells.
Main Methods:
- Construction of MLAA-34 RNA interference (RNAi) vector.
- Utilized cell lines (293T, K562, HL60, U937) and NOD/SCID mice.
- Assessed cell proliferation, apoptosis, and expression of beta-Catenin and TCF 4 via Western blotting and immunohistochemistry.
Main Results:
- MLAA-34 gene significantly correlated with U937 cell proliferation.
- siRNA-mediated MLAA-34 knockdown increased apoptosis rates in U937 cells.
- Distinct differences in beta-Catenin and TCF 4 expression were observed between U937 and MLAA-34-silenced U937 cells.
Conclusions:
- MLAA-34 gene exhibits an anti-apoptotic effect in leukemia.
- The beta-Catenin/TCF 4 pathway is implicated in MLAA-34's mechanism of action in leukemia.
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