Peptable

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

Peptide

Alanine

Ala / A · hydrophobic residue · neutral charge

Amino acid

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

Peptide

Arginine

Arg / R · basic residue · positive charge

Amino acid

Argireline

is a topical cosmetic peptide reported to decrease dynamic wrinkles by partially mimicking the mechanism of botulinum toxin in a non-invasive manner

Peptide

Asparagine

Asn / N · polar residue · neutral charge

Amino acid

Aspartic acid

Asp / D · acidic residue · negative charge

Amino acid

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

Peptide

Comparison

Epitalon vs Thymosin Alpha-1

Also see:

EpitalonThymosin Alpha-1

Function

While Epitalon is reported to increase lifespan and reduce tumor incidence in animals, and to influence differentiation of neural and mesenchymal stem cells; is studied as an epigenetic regulatory peptide36, 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.

Mechanism

While Epitalon works as a synthetic tetrapeptide, Ala-Glu-Asp-Gly (AEDG), that has been shown to bind histones and modulate gene expression and chromatin state, with reported effects on pineal function, neurogenesis, and longevity in animal models36, 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.

Receptor

Epitalon

Binds nuclear histone proteins (H1, H2B, H3, H4) rather than a classic membrane receptor36

Thymosin Alpha-1

Toll-like receptors, predominantly TLR9 (and also TLR2/TLR3) on plasmacytoid dendritic cells and other immune cells4

Organism or Origin

Epitalon

Synthetic peptide modeled after a pineal gland peptide fraction; not directly encoded as a standalone peptide in humans36

Thymosin Alpha-1

Endogenous fragment of human prothymosin alpha produced in the thymus1487

Gene

Epitalon

Not assigned in the current dataset.

Thymosin Alpha-1

PTMA

Summary

The clearest overlap between Epitalon and Thymosin Alpha-1 is that both converge around Signaling modulator. Their typical research and application settings separate fairly clearly: Epitalon is more often discussed in the realm of Aging and longevity, whereas Thymosin Alpha-1 is more often associated with the realm of Immunology and inflammation and Oncology. Both appear to work through Signaling modulator, but the functional emphasis still separates, with Epitalon leaning toward Mitochondrial function modulation and Antioxidant activity and Thymosin Alpha-1 leaning toward Immune regulation and Anti-inflammatory. Epitalon has a more synthetic analog origin, while Thymosin Alpha-1 is closer to natural endogenous background and their development context also differs, with Epitalon approved for Research use only while Thymosin Alpha-1 is approved. Thymosin Alpha-1 incorporates acetylation features that are not part of Epitalon.

Related articles

No related articles are linked to these peptides yet.