The human mitochondrial genome may code for more than 13 proteins.
Capt. Charlotte C; Passamonti. Marco M; Breton. Sophie S
Key Findings
- Mitochondrial DNA has long been thought to encode only 13 proteins and 24 RNAs
- Recent studies propose that mtDNA may code for additional proteins beyond the classic set
- This broader coding potential could include bioactive peptides like humanin
Practical Outcomes
- For biohackers, the finding opens the possibility of undiscovered mitochondrial peptides that might influence health, but it doesn’t provide any specific dosing or protocol for humanin. Stay tuned for future studies that could translate these insights into actionable interventions.
Summary
New research suggests that human mitochondrial DNA might produce more than the 13 known proteins, hinting at additional small proteins or peptides that could have biological effects.
Abstract
The human mitochondrial (mt) DNA is commonly described as a small, maternally inherited molecule that encodes 13 protein components of the oxidative phosphorylation system and 24 structural RNAs required for their translation. However, recent studies indicate that the human mtDNA has a larger functional repertoire than previously believed. This paper briefly summarizes these studies, which suggest to reconsider our way to describe the human mitochondrial DNA as it may code for more than 13 proteins.
Study Information
pubmed
2015
2015-01-29T00:00:00.000Z
10.3109/19401736.2014.1003924
48
28