JoVE Journal

Chemistry

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Simultaneous Measurement of HDAC1 and HDAC6 Activity in HeLa Cells Using UHPLC-MS

The present method serves to identify isoform-specific inhibitors of histone deacetylases (HDAC) in HeLa cells by the UHPLC-MS analysis of multiple substrates. This is an antibody-free method developed to reflect HDAC1 and HDAC6 activity in the living cell environment, in contrast to single-isoform cell-free assays.

Chapters in this video

0:05

Title

1:20

Cell Culture

3:00

Cell Treatment with Cell Compounds and HDAC Substrates, Cell Lysis, and Sample Preparation for UHPLC-ESI-MS/MS

5:14

UHPLC/MS-MS Analysis and Data Analysis

6:14

Results: Deacetylation of Specific Substrates by Endogenous HDACs and Potency of Standard HDAC Inhibitors

8:18

Conclusion

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