Comparison

Semaglutide vs TB-500

Function

While Semaglutide is approved for type 2 diabetes and chronic weight management, significantly lowering HbA1c and body weight by modulating incretin pathways232480, TB-500 is studied for enhancing musculoskeletal and cardiac repair, wound healing, and promoting cell migration and differentiation via actin cytoskeleton remodeling21255.

Mechanism

While Semaglutide works as a modified GLP-1(7–37) analog with three key changes—Ala8→Aib, Lys26 acylated with a C18 fatty diacid, and Lys34→Arg—resulting in a long-acting GLP-1 receptor agonist that enhances glucose-dependent insulin secretion, suppresses glucagon, slows gastric emptying, and reduces appetite23647480, TB-500 is a synthetic peptide comprising the LKKTETQ actin-binding motif of thymosin beta-4 that binds G-actin, sequesters actin monomers, and promotes cell migration, angiogenesis, and tissue repair1255.

Length and Sequence

Semaglutide is 31 amino acids long, whereas TB-500 is shorter as it has a length of 7 amino acids. Semaglutide is made up of a sequence of sequence data not available in the current dataset. TB-500 is made up of a sequence of Lysine, Lysine, Lysine, Threonine, Glutamic acid, Threonine, Glutamine.

Receptor

Semaglutide

GLP-1 receptor (GLP1R) on pancreatic β-cells and other tissues2380

TB-500

Binds monomeric actin (G-actin) rather than a classical cell-surface receptor, modulating actin polymerization at barbed and pointed ends55

Organism or Origin

Semaglutide

Synthetic analog of human GLP-1 derived from proglucagon648089

TB-500

Synthetic derivative of human thymosin beta-4, whose full-length 43-amino-acid protein is abundant in mammalian tissues21279

Gene

Semaglutide

GCG

TB-500

TMSB4X

Sources

23Semaglutide (GLP-1 Receptor Agonist) — Mechanism, Research ..., https://orynxpeptides.com/de/peptides/encyclopedia/semaglutide
24Tirzepatide - a dual GIP and GLP-1 (GLP1) receptor agonist, https://gpnotebook.com/pages/diabetes-and-endocrinology/tirzepatide-a-dual-gip-and-glp-1-glp1-receptor-agonist
64Semaglutide Structure & Chemistry: Molecular Details | The ..., https://www.thejops.com/peptides/semaglutide/chemistry.html
74Drug Interactions And Side..., https://pdb101.rcsb.org/global-health/diabetes-mellitus/drugs/incretins/drug/semaglutide/semaglutide
80GLP-1 Localisation and Proglucagon Gene Expression in ..., https://pmc.ncbi.nlm.nih.gov/articles/PMC6200298/
89Gene, https://maayanlab.cloud/Harmonizome/gene/GCG
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