Journal
BIOMOLECULES
Volume 12, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/biom12020148
Keywords
thiosulfate sulfurtransferase; 3-mercaptopyruvate sulfurtransferase; gamma-cystathionase; cystathionine beta-synthase; l-cysteine; leukemia cells
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Funding
- Polish Ministry of Science and Higher Education of the Jagiellonian University Medical College [N41/DBS/000433]
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This study investigated the expression of sulfurtransferases and cystathionine beta-synthase in human leukemia cell lines. The results revealed significant differences in the mRNA and protein levels of these enzymes among different leukemia cells. These findings contribute to understanding the variations in sulfur compound metabolism and provide potential targets for inhibiting leukemic cell proliferation.
The studies concerned the expression of sulfurtransferases and cystathionine beta-synthase in six human leukemia cell lines: B cell acute lymphoblastic leukemia-B-ALL (REH cells), T cell acute lymphoblastic leukemia-T-ALL (DND-41 and MOLT-4 cells), acute myeloid leukemia-AML (MV4-11 and MOLM-14 cells), and chronic myeloid leukemia-CML (K562 cells). Reverse transcription-polymerase chain reaction (RT-PCR) and Western blot analysis were performed to determine the expression of thiosulfate sulfurtransferase, 3-mercaptopyruvate sulfurtransferase, gamma-cystathionase, and cystathionine beta-synthase on the mRNA and protein level. Interestingly, we found significant differences in the mRNA and protein levels of sulfurtransferases and cystathionine beta-synthase in the studied leukemia cells. The obtained results may contribute to elucidating the significance of the differences between the studied cells in the field of sulfur compound metabolism and finding new promising ways to inhibit the proliferation of various types of leukemic cells by modulating the activity of sulfurtransferases, cystathionine beta-synthase, and, consequently, the change of intracellular level of sulfane sulfur as well as H2S and reactive oxygen species production.
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