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Romidepsin HDAC Inhibitor

Cyclic depsipeptide histone deacetylase inhibitor for cutaneous T-cell lymphoma derived from Chromobacterium violaceum.

By Encyclopeptide Editorial | 1 min read
romidepsin HDAC depsipeptide T-cell-lymphoma epigenetic

Chemical Identity

PropertyValue
Chemical FormulaC24H36N2O6S2
Molecular Weight540.69 g/mol
CAS Number128564-36-3
Product NameIstodax
SourceChromobacterium violaceum

Structure

Romidepsin is a bicyclic depsipeptide containing a disulfide bridge that is reduced intracellularly to reveal two thiol groups that chelate zinc in the HDAC active site.

Mechanism

Inhibits class I HDACs (HDAC1, HDAC2, HDAC4, HDAC6) by chelating the catalytic zinc ion, leading to histone hyperacetylation, chromatin remodeling, and gene reactivation.

Clinical Applications

  • Cutaneous T-cell lymphoma (CTCL)
  • Peripheral T-cell lymphoma (PTCL)

References

  1. Encyclopeptide Database. “Romidepsin HDAC Inhibitor” monograph. encyclopeptide.com.

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