Humanin is a naturally occurring mitochondrial-derived peptide (MDP) studied for its involvement in mitochondrial communication, cellular signaling, and cellular responses to stress.

Laboratory research involving Humanin has examined mitochondrial function, cellular stress-response pathways, apoptosis signaling, oxidative-stress mechanisms, energy metabolism, and cell-survival signaling. Researchers have also investigated its interactions with signaling pathways involving proteins and receptors associated with mitochondrial-to-cell communication and cellular adaptation.

Humanin remains an important research compound for investigating how mitochondrial-derived peptides participate in cellular homeostasis, mitochondrial signaling, and stress-response mechanisms.