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 glycation
Alanine
Ala / A · hydrophobic residue · neutral charge
AOD-9604
is studied as an anti-obesity peptide that can reduce weight gain and increase fat oxidation in obese animal models with generally neutral effects on IGF-1 and glucose metabolism in early human trials
Arginine
Arg / R · basic residue · positive charge
Argireline
is a topical cosmetic peptide reported to decrease dynamic wrinkles by partially mimicking the mechanism of botulinum toxin in a non-invasive manner
Asparagine
Asn / N · polar residue · neutral charge
Aspartic acid
Asp / D · acidic residue · negative charge
BPC-157
is investigated for accelerating healing of gastrointestinal mucosa, tendons, ligaments, bone, and nervous tissue in preclinical models, with anti-inflammatory and pro-angiogenic effects
Comparison
While DSIP was originally described for inducing spindle and delta sleep activity when infused into the brain of rabbits; later studies report stress-modulating and endocrine effects, though its physiological role is still debated47, PEG-MGF is used experimentally to enhance muscle repair and hypertrophy after mechanical overload or injury by stimulating satellite-cell activation and protein synthesis6373138.
While DSIP works as an endogenous nonapeptide, Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu, with proposed neuromodulatory actions; it interacts with components of the MAPK cascade and may be related to glucocorticoid-induced leucine zipper (GILZ), but its precise biosynthetic origin remains unknown4757, 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.
DSIP
Not assigned in the current dataset.
PEG-MGF
IGF1
DSIP and PEG-MGF are noticeably different, with limited direct overlap in their usual biological context. Their typical research and application settings separate fairly clearly: DSIP is more often discussed in the realm of Neurology and brain health, whereas PEG-MGF is more often associated with the realm of Musculoskeletal health and Cardiovascular health. Their biological logic is quite different: DSIP is a neurotransmitter modulator, whereas PEG-MGF is a growth factor mimetic and a signaling modulator. DSIP has a more natural endogenous origin, while PEG-MGF is closer to synthetic analog background with DSIP approved for Research use only and PEG-MGF in Preclinical development. DSIP takes the form of a linear peptide, whereas PEG-MGF is closer to a peptide conjugate, while PEG-MGF incorporates pegylation features that are not part of DSIP.
No related articles are linked to these peptides yet.