iTRAQ-based quantitative protein expression profiling of biomarkers in childhood B-cell and T-cell acute lymphoblastic leukemia
Authors Yu R, Zhang J, Zang Y, Zeng L, Zuo W, Bai Y, Liu Y, Sun K, Liu Y
Received 26 March 2019
Accepted for publication 18 June 2019
Published 25 July 2019 Volume 2019:11 Pages 7047—7063
Checked for plagiarism Yes
Review by Single-blind
Peer reviewer comments 2
Editor who approved publication: Dr Yong Teng
Runhong Yu,1 Jingyu Zhang,2 Yuzhu Zang,1 Li Zeng,2 Wenli Zuo,3 Yanliang Bai,1 Yanhui Liu,1 Kai Sun,1 Yufeng Liu4
1Department of Hematology, People’s Hospital of Zhengzhou University/Henan Provincial People’s Hospital, Zhengzhou 450003, Henan, People’s Republic of China; 2Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, People’s Republic of China; 3Department of Hematology, Affiliated Cancer Hospital of Zhengzhou University/Henan Cancer Hospital, Zhengzhou 450008, Henan, People’s Republic of China; 4Department of Pediatrics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, People’s Republic of China
Purpose: This study screened serum proteins to identify potential biomarkers for childhood B-cell and T-cell acute lymphoblastic leukemia (ALL).
Patients and methods: Serum collected from 20 newly diagnosed B-cell ALL, 20 T-cell ALL and 20 healthy children. The peptides from these samples were subjected to iTRAQ. Differentially expressed proteins (DEPs) were further validated by ELISA in 24 B-ALL, 24 T-ALL, and 24 healthy children.
Results: Bioinformatics analysis revealed several pathways, including atherosclerosis signaling, interleukin signaling and production in macrophages and clathrin-mediated endocytosis signaling, that were closely related to childhood T-cell ALL. Furthermore, four selected proteins, namely LRG1, S100A8, SPARC and sL-selectin, were verified by ELISA. These results were consistent with the results of the proteomics analysis.
Conclusion: Serum S100A8 may serve as new diagnostic biomarkers in childhood B-cell ALL and T-cell ALL.
Keywords: B-cell ALL, T-cell ALL, proteomics, acute lymphoblastic leukemia, children, serum, isobaric tags for relative and absolute quantitation, ingenuity pathways analysis
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