Nov 15, 2019

miR-141-3p and TRAF5 Network Contributes to the Progression of T-Cell Acute Lymphoblastic Leukemia

Cell Transplantation
Ruiqing ZhouShiyi Pan

Abstract

Numerous lines of evidence have shown that microRNAs (miRNAs) play a vital role in regulating the progression in many types of cancers, including T cell acute lymphoblastic leukemia (T-ALL). In this study, the potential underlying mechanism and functional role of miR-141-3p in T-ALL cells were determined. We found that the expression level of miR-141-3p was significantly downregulated, while that of tumor necrosis factor receptor-associated factor 5 (TRAF5) was strongly upregulated in tissues from patients with T-ALL compared with healthy controls. Subsequently, upregulation of miR-141-3p significantly repressed T-ALL cell proliferation and promoted cell apoptosis. Conversely, downregulation of miR-141-3p significantly inhibited cell apoptosis and enhanced T-ALL cell proliferation. We also verified that TRAF5 was the direct target of miR-141-3p in T-ALL cells. Additionally, TRAF5 overexpression significantly repressed cell apoptosis and increased T-ALL cell proliferation. In summary, miR-141-3p regulates T-ALL cell progression by directly targeting TRAF5, and may serve as a potential therapeutic target for T-ALL.

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Mentioned in this Paper

TNF receptor-associated factor 5
Study
T-Lymphocyte
MIR141
Acute Leukemia
Tumor Necrosis Factor Receptor-Associated Factors
Precursor T-Cell Lymphoblastic Leukemia-Lymphoma
TALLA1 protein, human
tris(4,7-diphenyl-1,10-phenanthroline)ruthenium (II)
Down-Regulation

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