Description
What is B7-33?
B7-33 is a single-chain peptide analogue of the relaxin-2 B-chain, engineered to selectively activate RXFP1 (relaxin family peptide receptor 1) while avoiding the native two-chain structure of relaxin-2. Studied for anti-fibrotic effects, collagen remodelling, vasodilation, and cardioprotection — without the insulin-like A-chain that complicates full relaxin manufacture. Represents a simplified, single-chain RXFP1 agonist for fibrosis and cardiovascular research. Research use only.
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