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 Selank is a peptide developed in Russia as an anxiolytic and nootropic; in animal models it reduces anxiety-like behavior and modulates immune parameters under stress39, Tesamorelin is FDA-approved to reduce excess visceral adipose tissue in HIV-associated lipodystrophy and is studied for broader body-composition, NAFLD, and cognitive effects via GH/IGF-1 axis modulation1893.
While Selank works as a synthetic heptapeptide, Thr-Lys-Pro-Arg-Pro-Gly-Pro, that combines a tuftsin fragment with a Pro-Gly-Pro motif and is reported to modulate GABAergic neurotransmission and cytokine balance while being resistant to proteolytic degradation39, Tesamorelin is a full-length 44-amino-acid GHRH analog with an N-terminal trans-3-hexenoic acid modification that binds GHRHR, activating cAMP/PKA signaling to increase endogenous GH and IGF-1, with improved stability versus native GHRH182893102.
Selank
Not assigned in the current dataset.
Tesamorelin
GHRH
Selank and Tesamorelin are noticeably different, with limited direct overlap in their usual biological context. Their typical research and application settings separate fairly clearly: Selank is more often discussed in the realm of Neurology and brain health and Immunology and inflammation, whereas Tesamorelin is more often associated with the realm of Metabolic and endocrine and Cardiovascular health. They also influence different molecular systems, with Selank tracking more closely to GPCR receptor while Tesamorelin centers more on Growth hormone axis. Both are synthetic in origin and their development context also differs, with Selank approved for Research use only while Tesamorelin is approved. Selank takes the form of a linear peptide, whereas Tesamorelin is closer to a peptide conjugate, Tesamorelin incorporates amidation features that are not part of Selank; while their sequence patterns also diverge, with Selank showing proline-rich features and Tesamorelin showing alpha-helical domain features.
No related articles are linked to these peptides yet.