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Proliferation and Differentiation of Murine Myeloid Precursor 32D/G-CSF-R Cells
Published on: February 21, 2018
[Up-regulation of CD86 and cytokine expression in acute leukemia cells by Ara-C]
Dong-mei Fan1, Ming Yang, Hai-rong Jia
1Institute of Hematology & Hospital of Blood Diseases, Chinese Academic of Medical Sciences & Peking Union Medical College, Tianjin, China.
Aim:
To observe the effects of Ara-c on the expression of CD86 molecule on acute leukemia cells and explore the possible mechanisms.
Methods:
The expression of CD86 on U937, HL-60 and NB4 cell lines treated with or without Ara-C wa assayed by flow cytometry. The mRNA expression of CD86, NF-kappaB, IFN-gamma was examined by semiquantitative RT-PCR.
Results:
UP-regulation of CD86 was observed on those cells treated by Ara-c. The level of CD86 and NF-kappaB mRNA in Ara-c treated cells was significantly enhanced. IFN-gamma was detectable 72 hours after T cell activation.
Conclusion:
Ara-C can enhance CD86 and NF-kappaB expression on acute leukemia cells, which may play critical role in T cell activation and differentiation.
