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, Thymosin Alpha-1 is clinically used in some countries as an immunomodulator for chronic hepatitis B/C and as an adjuvant in cancer therapy, enhancing cell-mediated immunity41487.
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, Thymosin Alpha-1 is a 28-amino-acid thymic peptide fragment of prothymosin alpha that activates dendritic cells and T cells primarily via TLR9/MyD88/NF-κB signaling, enhancing Th1 responses and NK-cell cytotoxicity414.
Matrixyl
Not clearly established in the current dataset.
Thymosin Alpha-1
Toll-like receptors, predominantly TLR9 (and also TLR2/TLR3) on plasmacytoid dendritic cells and other immune cells4
Matrixyl
Not assigned in the current dataset.
Thymosin Alpha-1
PTMA
Matrixyl and Thymosin Alpha-1 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 Thymosin Alpha-1 is more often associated with the realm of Immunology and inflammation and Oncology. They also influence different molecular systems, with Matrixyl tracking more closely to Extracellular matrix proteins while Thymosin Alpha-1 centers more on Toll-like receptor. Matrixyl has a more synthetic design origin, while Thymosin Alpha-1 is closer to natural endogenous background and their development context also differs, with Matrixyl cosmetic grade while Thymosin Alpha-1 is approved. Matrixyl takes the form of a peptide conjugate, whereas Thymosin Alpha-1 is closer to a linear peptide, while Matrixyl carries palmitoylation features, while Thymosin Alpha-1 instead reflects acetylation changes.
No related articles are linked to these peptides yet.