Comparison

Setmelanotide vs Thymosin Beta-4

Function

While Setmelanotide is approved for chronic weight management in patients with POMC, PCSK1, LEPR deficiencies and Bardet–Biedl syndrome by reducing hunger and promoting weight loss92, Thymosin Beta-4 promotes wound healing, angiogenesis, and tissue regeneration in preclinical models via effects on cytoskeleton dynamics, cell migration, and anti-apoptotic pathways25579.

Mechanism

While Setmelanotide works as a potent synthetic melanocortin-4 receptor (MC4R) agonist derived from a POMC/α-MSH–related sequence that restores downstream MC4R signaling in genetic obesity syndromes3192100, Thymosin Beta-4 is an endogenous 43-amino-acid actin-sequestering peptide that maintains a pool of G-actin monomers and regulates actin polymerization, thereby influencing cell migration, proliferation, and differentiation25579.

Length and Sequence

Setmelanotide is amino acids long, whereas Thymosin Beta-4 is longer as it has a length of 43 amino acids. Setmelanotide is made up of a sequence of sequence data not available in the current dataset. Thymosin Beta-4 is made up of a sequence of Serine, Aspartic acid, Lysine, Proline, Aspartic acid, Methionine, Alanine, Glutamic acid, Isoleucine, Glutamic acid, Lysine, Phenylalanine, Aspartic acid, Lysine, Serine, Lysine, Lysine, Proline, Aspartic acid, Methionine, Alanine, Glutamic acid, Glutamic acid, Lysine, Phenylalanine, Aspartic acid, Lysine, Lysine, Glutamic acid, Lysine, Lysine, Glutamic acid, Glutamic acid, Alanine, Glutamic acid, Asparagine, Glutamic acid, Glutamic acid, Lysine, Glutamic acid, Serine.

Receptor

Setmelanotide

Melanocortin-4 receptor (MC4R) 3192100

Thymosin Beta-4

Binds actin monomers (G-actin) at both barbed and pointed ends to sterically block polymerization55

Organism or Origin

Setmelanotide

Synthetic analog of POMC-derived α-MSH peptide928190

Thymosin Beta-4

Human and other mammals (ubiquitous cytosolic peptide) 7988

Gene

Setmelanotide

POMC

Thymosin Beta-4

TMSB4X

Sources

31[PDF] 213793Orig1s000 - accessdata.fda.gov, https://www.accessdata.fda.gov/drugsatfda_docs/nda/2020/213793Orig1s000PharmR.pdf
81Proopiomelanocortin (POMC), the ACTH/melanocortin precursor, is ..., https://pmc.ncbi.nlm.nih.gov/articles/PMC2253185/
90alpha-Melanocyte stimulating hormone: production and degradation, https://pmc.ncbi.nlm.nih.gov/articles/PMC3936413/
92Setmelanotide, https://go.drugbank.com/drugs/DB11700
100Multiple Independent Sub-studies of Setmelanotide in, https://onderzoekmetmensen.nl/en/node/53452/pdf
2TB-500 (Thymosin Beta-4) | Peptide Biologix, https://peptidebiologix.com/tb-500
12Thymosin Beta-4 vs TB-500 | What to Know in 2024, https://www.peptidesciences.com/peptide-research/thymosin-beta-4-vs-tb-500
79TMSB4X Gene: Function, Research, and Clinical Applications, https://learn.mapmygenome.in/genemap/tmsb4x
88TMSB4X thymosin beta 4, X-linked FX PTMB4 TB4X TMSB4, https://www.sigmaaldrich.com/DE/en/genes/tmsb4x