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Thymosin Beta-4, TB4, Tβ4
A synthetic peptide that promotes tissue repair, reduces inflammation, and enhances healing by regulating actin polymerization and cell migration.
Judák. Péter P; Van Eenoo. Peter P; Deventer. Koen K
Peptides like TB-500 can stick to the walls of test tubes and bottles, which means you might lose some of the dose when you handle them. The study shows that not all fancy low‑bind containers work the same for every peptide, so you need to pick the right kind based on the peptide’s chemistry.
Zvereva. Irina I; Semenistaya. Ekaterina E; Krotov. Grigory G; Rodchenkov. Grigory G
The study shows that the peptide TB-500 is broken down quickly by enzymes in human kidney microsomes and liver S9 fractions, while it stays more intact in human blood serum. This means the body’s kidney and liver can rapidly degrade TB-500, and simple lab tests with common proteases don’t mimic real metabolism well.
Rahaman. Khandoker Asiqur KA; Muresan. Anca Raluca AR; Min. Hophil H; Son. Junghyun J; Han. Hyung-Se...
The study shows that the peptide TB-500 itself isn’t toxic and doesn’t speed up wound healing, but one of its breakdown products, called Ac‑LKKTE, does help wounds close faster. The researchers also mapped how TB‑500 is broken down in the body, finding that another fragment, Ac‑LK, appears quickly and another, Ac‑LKK, sticks around for days.
Ismael. Elshaimaa E; Kamel. Shaimaa S; Elleithy. Ebtihal M M EMM; Bekeer. Manal R MR; Fahmy. Khaled...
A study on chickens showed that different forms of butyrate (a gut‑friendly fatty acid) can boost growth, improve gut lining, and lower some blood markers. Tributyrin (TB‑300) helped the birds gain more weight and use feed more efficiently, while coated sodium butyrate (SB‑500) cleaned up litter bacteria. All the butyrate types raised blood proteins and digestive enzymes, and changed gut‑related gene activity.
Esposito. Simone S; Deventer. Koen K; Goeman. Jan J; Van der Eycken. Johan J; Van Eenoo. Peter P
The study only shows how researchers identified a tiny fragment of the TB‑500 peptide and built a lab test to detect it in blood or urine, without any data on health effects, dosing, or how to use it.
Ho. Emmie N M EN; Kwok. W H WH; Lau. M Y MY; Wong. April S Y AS; Wan. Terence S M TS; Lam. Kenneth K...
Scientists created a very sensitive lab test that can spot the peptide TB-500 (a synthetic piece of thymosin β4) and its breakdown products in horse urine and blood. They can detect it at tiny amounts (0.01‑0.02 ng/mL) after a single 10 mg dose. This is the first time the drug has been proven detectable in horses after use.