PMID: 16638180Apr 28, 2006Paper

Analysis of the different proteomes between the acute leukemia cells and normal white blood cells

Zhongguo shi yan xue ye xue za zhi
Jiu-Wei CuiXue-Min Zhang

Abstract

This study was aimed to analyze the different proteomes between human acute leukemia (AL) cells and normal white blood cells by proteomic technology in order to lay the basis for diagnosing AL and understanding the mechanism of leukemogenesis. The proteins from AL cells of 40 AL patients identified by FAB classification and proteins from normal lymphocytes and granulocytes of 20 normal volunteers were separated by two-dimensional electrophoresis (2-DE), and the differentially expressed proteins between the two groups were identified by both matrix assisted laser desorption/ionization-time of flight-mass spectrometry (MALDI-TOF-MS) and electronspray ionization (ESI)-MS/MS. The results showed that among the differentially expressed proteins between AL cells and normal lymphocytes and granulocytes, some proteins involved in the process of malignant transformation (such as Op18, NM23-H1), cell proliferation (such as PCNA) and apoptosis inhibition (such as tumor necrosis factor inhibitor protein) were found to be up regulated in AL cells. However, some proteins involved in differentiation and physiological functions of normal cells were down regulated in AL cells. It is concluded that there are many events involved in the process of...Continue Reading

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