Peptable

Comparison

Acetyl tetrapeptide-5 vs PEG-MGF

Function

While Acetyl tetrapeptide-5 is used in cosmetic eye formulations to decrease puffiness, eye bags, and dark circles by reducing edema and protecting proteins such as SOD from glycation51150159154, PEG-MGF is used experimentally to enhance muscle repair and hypertrophy after mechanical overload or injury by stimulating satellite-cell activation and protein synthesis6373138.

Mechanism

While Acetyl tetrapeptide-5 works as a synthetic tetrapeptide, Ac-βAla-His-Ser-His (Eyeseryl), with reported ACE-1 inhibition and anti-glycation activity, proposed to improve microcirculation and reduce capillary permeability and fluid accumulation in periorbital tissues51150159157, PEG-MGF is a poly(ethylene glycol)-conjugated form of Mechano Growth Factor (IGF-1Ec splice variant) comprising the 24-aa C-terminal E-peptide of IGF-1, designed to extend half-life while activating IGF-1 receptor–mediated anabolic signaling in muscle satellite cells637322138.

Receptor

Acetyl tetrapeptide-5

Acts as an enzyme inhibitor (eg, ACE-1, glycation-related pathways) rather than via a specific membrane receptor51159

PEG-MGF

Insulin-like growth factor 1 receptor (IGF1R), the canonical receptor for IGF-1 peptides22133134139

Organism or Origin

Acetyl tetrapeptide-5

Fully synthetic cosmetic peptide (Eyeseryl) 150157

PEG-MGF

Synthetic PEGylated analog of human MGF (IGF-1Ec isoform) 2273138

Gene

Acetyl tetrapeptide-5

Not assigned in the current dataset.

PEG-MGF

IGF1

Summary

Both peptides fall into a similar broad context as Signal peptides, although the details of how they are used and discussed still diverge. Their typical research and application settings separate fairly clearly: Acetyl tetrapeptide-5 is more often discussed in the realm of Dermatology and aesthetics, whereas PEG-MGF is more often associated with the realm of Musculoskeletal health and Cardiovascular health. Both appear to work through Signaling modulator, but the functional emphasis still separates, with Acetyl tetrapeptide-5 leaning toward Anti-inflammatory and PEG-MGF leaning toward Anabolic growth and Tissue repair and healing. Acetyl tetrapeptide-5 has a more synthetic design origin, while PEG-MGF is closer to synthetic analog background and their development context also differs, with Acetyl tetrapeptide-5 cosmetic grade while PEG-MGF is in Preclinical development. Acetyl tetrapeptide-5 takes the form of a linear peptide, whereas PEG-MGF is closer to a peptide conjugate, while Acetyl tetrapeptide-5 carries acetylation features, while PEG-MGF instead reflects pegylation changes.

Related articles

No related articles are linked to these peptides yet.

Sources

51[PDF] Acetyl tetrapeptide-5 - SkinMiles, https://skinmiles.com/wp-content/uploads/2017/12/Matriskin-Ingredients.pdf
150The important eye peptide of acetyl tetrapeptide-5 - ChemicalBook, https://www.chemicalbook.com/article/the-important-eye-peptide-of-acetyl-tetrapeptide-5.htm
153Acetyl Tetrapeptide-5 (Eyeseryl) | CAS 820959-17-9 Manufacturer ..., https://www.conscientia-industrial.com/peptides/acetyl-tetrapeptide-5-eyeseryl-cas-820959-17-9
154Bioactive peptides in cosmetic formulations: Review of ..., https://www.sciencedirect.com/science/article/pii/S0196978125001019
157Effects of Peptides in Cosmetics, https://aapep.bocsci.com/resources/cosmetic-peptides.html
159Acetyl tetrapeptide-5 | ACE-1 Inhibitor | MedChemExpress, https://www.medchemexpress.com/acetyl-tetrapeptide-5.html
22Mechano growth factor - Wikipedia, https://en.wikipedia.org/wiki/Mechano_growth_factor
63Sourcing, https://exploring-peptides.com/peptide-wikipedia/pegmgf/
73PEG-MGF, https://peptidestandard.com/peg-mgf-research/
133IGF1R - Abcam, https://www.abcam.com/en-us/targets/igf1r/24611
134Insulin-like growth factor 1 receptor - Wikipedia, https://en.wikipedia.org/wiki/Insulin-like_growth_factor_1_receptor
138A Splice Variant of IGF-1 within the Growth Plate | PLOS One, https://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0076133
139IGF1 receptor signaling pathways, https://pubmed.ncbi.nlm.nih.gov/29535161/