tubastatin a

Tubastatin A is a potent and highly selective small molecule inhibitor of histone deacetylase 6 (HDAC6). It demonstrates over 1000-fold selectivity for HDAC6 over other HDAC isoforms, with the exception of HDAC8. By targeting the catalytic domain of HDAC6, Tubastatin A prevents the deacetylation of its primary non-histone substrate, alpha-tubulin, thereby increasing tubulin acetylation levels. This mechanism is of significant interest in neurodegeneration research, as HDAC6 inhibition has been shown to enhance axonal transport and provide neuroprotective effects in models of Parkinson's disease, Alzheimer's disease, and Charcot-Marie-Tooth disease. In preclinical studies using zebrafish models, Tubastatin A has been observed to rescue cellular metabolism and certain behavioral impairments induced by neurotoxins like MPP+, although its efficacy as a monotherapy for locomotor recovery remains limited.

Other names

Tubastatin A hydrochloride