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Effect of Tubastatin A (HDAC6 specific inhibitor) on gene expression during differentiation of induced regulatory T cells (iTreg cells)

ABSTRACT: To investigate that Tubastain A, a HDAC6 inhibitor, has effect on early stage of iTreg differentiation, we treated naïve CD4+ T cells with DMSO (vehicle control) or 10 uM Tubastatin A and cultured the cells under Treg-skewing condition for 1 day. We then performed gene expression profiling analysis using data from RNA-seq of 2 different samples.

ORGANISM(S): Mus musculus

PROVIDER: GSE210794 | GEO | 2022/08/12

REPOSITORIES: GEO

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HDAC6 and HSP90 control the functions of Foxp3+ T regulatory cells

Project description:Foxp3+ T-regulatory cells (Tregs) are key to immune homeostasis such that their diminished numbers or function can cause autoimmunity and allograft rejection. Foxp3+ Tregs express histone/protein deacetylases (HDACs) that regulate chromatin remodeling, gene expression and protein function. Pan-HDAC inhibitors developed for oncology enhance Treg production and suppression but have limited non-oncologic applications given their broad effects. We show, using HDAC6-deficient mice and WT mice treated with HDAC6-specific inhibitors, that HDAC6 inhibition promotes Treg suppressive activity in models of inflammation and autoimmunity, including multiple forms of experimental colitis and fully MHC-incompatible cardiac allograft rejection. Many of the beneficial effects of HDAC6 targeting are also achieved by inhibition of the HDAC6-regulated protein, HSP90. Hence, selective targeting of a single HDAC isoform, HDAC6, or its downstream target, HSP90, can promote Treg-dependent suppression of autoimmunity and transplant rejection. RNA from three independent samples from magnetically separated CD4+CD25+ Treg of HDAC6 knock out, compared to wild type (C57BL6) control

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Effect of Tubastatin A (HDAC6 specific inhibitor) on gene expression during differentiation of induced regulatory T cells (iTreg cells)

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