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 Matrixyl is a widely used cosmetic peptide with evidence of stimulating extracellular matrix synthesis and reducing wrinkle appearance in skin-care formulations48, Sermorelin is used as a diagnostic agent for assessing GH secretory capacity and as a research tool or off-label therapy to increase endogenous GH in GH-deficient or age-related contexts1727.
While Matrixyl works as a palmitoylated pentapeptide, Pal-Lys-Thr-Thr-Lys-Ser (Pal-KTTKS), that acts as a matrikine, signaling to dermal fibroblasts to increase production of collagen, elastin, fibronectin, and other ECM components4858, Sermorelin is a synthetic 29-amino-acid peptide identical to the 1–29 N-terminal fragment of human GHRH that stimulates GH synthesis and secretion by binding pituitary GHRH receptors1727120.
Matrixyl
Not assigned in the current dataset.
Sermorelin
GHRH
Matrixyl and Sermorelin are noticeably different, with limited direct overlap in their usual biological context. Their typical research and application settings separate fairly clearly: Matrixyl is more often discussed in the realm of Dermatology and aesthetics, whereas Sermorelin is more often associated with the realm of Metabolic and endocrine and Aging and longevity. They also influence different molecular systems, with Matrixyl tracking more closely to Extracellular matrix proteins while Sermorelin centers more on Growth hormone axis. Matrixyl has a more synthetic design origin, while Sermorelin is closer to synthetic analog background and their development context also differs, with Matrixyl cosmetic grade while Sermorelin is approved. Matrixyl takes the form of a peptide conjugate, whereas Sermorelin is closer to a linear peptide, Matrixyl carries palmitoylation features, while Sermorelin instead reflects amidation changes; while their sequence patterns also diverge, with Matrixyl showing protein-mimetic sequence features and Sermorelin showing alpha-helical domain features.
No related articles are linked to these peptides yet.