Abstract
The peptides are known to have diverse therapeutic indications and help cure many disease conditions. The mitochondrial genome comprises a novel class of micro peptides with various biological effects. Human mitochondrial peptides are among those that have a favourable impact on medicinal applications. Mitochondrial-derived peptides are small therapeutic peptides transcribed through mitochondrial DNA open-reading frames. Humanin is a mitochondrial peptide inhibiting complex I activity and reducing oxidative stress. It has significant apoptosis activity; therefore, it acts as an anti-apoptotic agent in the testis, boosting its reproductive role. It primarily affects cardioprotective and neuroprotective pathways, which operate as Alzheimer’s disease treatment agents. SHLPs and humanin were derived from mitochondrially encoded 16s rRNA small open reading frames. This peptide enhances mitochondrial functions and the survival of cells in response to oxidative stress. SHLP (1–6) has distinct and overlapping functions with humanin which regulate cell viability. The anti-diabetic activity is present in SHLP 2 and 3, which are insulin-resistant. Likewise, SHLP-6 has an apoptotic effect on cancer cells while it protects the cells against mitochondrial-mediated apoptosis. The mitochondrial-derived peptides increase insulin sensitivity, stimulating glucose absorption through peripheral tissues while decreasing glucose synthesis in the liver. These peptides are helpful in the treatment of multiple diseases. Thus, in this review discusses the mitochondrial peptide-humanin and SHLP types and their therapeutic potential.
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Abbreviations
- SHLP:
-
Small humanin-like peptide
- MDP:
-
Mitochondrial derived Peptide
- HN:
-
Humanin
- ATP:
-
Adenosine triphosphate
- SmORF:
-
Small open reading Frame
- ORF:
-
Open reading frame
- DNA:
-
Deoxy-ribonucleic acid
- rDNA:
-
Recombinant deoxy-ribonucleic acid
- OXPHOS:
-
Oxidative phosphorylation system
- mtDNA:
-
Mitochondrial deoxy-ribonucleic acid
- rRNA:
-
Recombinant ribonucleic acid
- HNG:
-
Humanin analogue
- IncRNAs:
-
long non-coding RNAs
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Thamarai Kannan, H., Issac, P.K., Dey, N. et al. A Review on Mitochondrial Derived Peptide Humanin and Small Humanin-Like Peptides and Their Therapeutic Strategies. Int J Pept Res Ther 29, 86 (2023). https://doi.org/10.1007/s10989-023-10558-7
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DOI: https://doi.org/10.1007/s10989-023-10558-7