3-aminopropanal (3-AP) (3-AP)

3-aminopropanal (3-AP) is a highly reactive aminoaldehyde generated as a byproduct of polyamine metabolism, specifically through the oxidation of spermine and spermidine by the enzyme polyamine oxidase (PAO) [PubChem CID 119611]. It is primarily recognized for its potent neurotoxic properties, playing a significant role in the pathogenesis of brain injury following cerebral ischemia and in neurodegenerative diseases such as Alzheimer's [PubMed: 9723013]. The molecule induces cellular damage by promoting oxidative stress, causing protein carbonylation, and triggering lysosomal membrane rupture, which leads to both apoptotic and necrotic cell death [PubMed: 16461336]. While 3-aminopropanal is not a therapeutic target in the form of a receptor or enzyme, it is a critical pathogenic mediator whose production is targeted for inhibition. Experimental strategies to mitigate its effects include the use of polyamine oxidase inhibitors like MDL-72527 or aldehyde scavengers like aminoguanidine to prevent the accumulation of this toxic metabolite [PubMed: 12127011].

Other names

3-aminopropionaldehydebeta-aminopropionaldehyde3-oxopropan-1-amine

Prevention of 3-aminopropanal formation via polyamine oxidase inhibition or direct chemical neutralization by aldehyde scavengers.