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Hydroxamic Acid Inhibitors

The most widely used HDAC inhibitors are hydroxamic acid- based. They are nonspecific for HDAC subclass.

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O3139 Oxamflatin ≥98% (HPLC), solid Histone deacetylase inhibitor; anti-cancer agent.
 
S7817 Scriptaid ≥95%, solid Histone deacetylase inhibitor with lower toxicity than trichostatin A; used to enhance protein expression.
Scriptaid inhibits the cell cycle progression of ovarian cancer cells by inducing arrest in G0/G1 and/or G2/M phase. Treatment of cells with scriptaid results in loss of mitochondrial membrane potential and increased acetylation of H3 and H4 histone tails.2 Sciptaid induces expression of γ-globin in human erythroid progenitors via p38 signaling and may be a treatment option for sickle cell disease.3 It enhances the transcriptional activity and protein expression in mouse embryos. This is useful in producing cloned, inbred mouse embryos that develop normally into adulthood with regular reproductive ability.4
 
390585 Suberohydroxamic acid 95% Suberoyl bis-hydroxamic acid (SBHA) is a Histone deacetylase (HDAC) inhibitor. SBHA inhibits the activity of HDAC1 and HDAC3 with IC50 values of 250 and 300 nM, respectively. SBHA inhibits proliferation, and induces apoptosis in several cancer cell lines. SBHA has been shown to activate Notch signaling in medullary thyroid carcinoma (MTC) cells.
 
T8552 Trichostatin A ≥98% (HPLC), from Streptomyces sp. Inhibits histone deacetylase at nanomolar concentrations; resultant histone hyperacetylation leads to chromatin relaxation and modulation of gene expression. May be involved in cell cycle progression of several cell types, inducing cell growth arrest at both G and G/M phases; may induce apoptosis. Enhances the efficacy of anticancer agents that target DNA.
human ... HDAC1(3065), HDAC4(9759), HDAC6(10013), HDAC8(55869)
mouse ... ENSMUSG00000061062(15181)
rat ... Hdac7a(84582)
T1952   Trichostatin A, Ready Made Solution 5 mM in DMSO (0.2 μm-filtered), from Streptomyces sp. Trichostatin A (TSA) is a Streptomyces metabolite, which specifically inhibits mammalian histone deacetylase at a nanomolar concentration and causes accumulation of highly acetylated histone molecules in mammalian cells. For that reason, trichostatin A is a tool to study the consequences of histone acetylation in vivo. Trichostatin A induces cell differentiation, cell cycle arrest, reversal of transformed cells morphology, and apoptosis and is able to modulate transcription. TSA has been used to establish a new cloning technique, which increases the success rates for mouse cloning.