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- Histone H4 is cleaved by granzyme A during staurosporine-induced cell death in B-lymphoid Raji cells
- Phil Young Lee; Byoung Chul Park; Seung-Wook Chi; Kwang-Hee Bae; Sunhong Kim; S Cho; S Kang; Jeong Hoon Kim; Sung Goo Park
- Bibliographic Citation
- BMB Reports, vol. 49, no. 10, pp. 560-565
- Publication Year
- Granzyme A (GzmA) was first identified as a cytotoxic T lymphocyte protease protein with limited tissue expression. A number of cellular proteins are known to be cleaved by GzmA, and its function is to induce apoptosis. Histones H1, H2B, and H3 were identified as GzmA substrates during apoptotic cell death. Here, we demonstrated that histone H4 was cleaved by GzmA during staurosporine-induced cell death; however, in the presence of caspase inhibitors, staurosporine-treated Raji cells underwent necroptosis instead of apoptosis. Furthermore, histone H4 cleavage was blocked by the GzmA inhibitor nafamostat mesylate and by GzmA knockdown using siRNA. These results suggest that histone H4 is a novel substrate for GzmA in staurosporine-induced cells.
- Caspase-independent cell death; Granzyme A; Histone H4; Raji cell
- South Korea
- Appears in Collections:
- Division of Biomedical Research > Disease Target Structure Research Center > 1. Journal Articles
Division of Biomedical Research > 1. Journal Articles
Division of Biomedical Research > Metabolic Regulation Research Center > 1. Journal Articles
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