B7-33 Peptide Nasal Spray
This product is intended for research purposes only. To be used by trained professionals only.
H2-relaxin, a more significant naturally occurring protein, is the source of B7-33, a soluble single-chain peptide. B7-33 nasal spray keeps relaxin’s anti-fibrotic properties due to it not increasing cAMP.
B7-33 has powerful anti-fibrotic properties . Chronic and acute diseases like heart failure, inflammation of the lungs or the kidneys can all be helped by reducing fibrosis. B7-33 nasal spray has been shown in animal studies to minimise fibrosis resulting in prolonged survival following injury and providing the treatment for heart failure.
In addition, this peptide stimulates ERK1/2 phosphorylation, which promotes MMP2 expression and collagen degradation.
In the event of a cardiac injury, it appears to lessen the amount of scar tissue that forms . Furthermore, the treatment of vascular disorders and preeclampsia of pregnancy have also shown promising results.
Peptides like B7-33 are synthesised from the human H2-relaxin protein.
In addition, relaxin, insulin-like peptide 3, and insulin-like peptide 5 — are all derivatives of the human H2-relaxin protein. Insulin-like peptides, such as these, have affected the cardiovascular, musculoskeletal, and reproductive systems and others.
Four endogenous receptors (RXFP1/2 and RXFP3/4) exist for the relaxin family peptides. However, relaxin proteins are not the only ones that can bind to the receptors of the relaxin system. Several insulin-like peptides, as well as cAMP and orexin, can all stimulate these receptors.
Anti-inflammatory, antioxidant, and wound healing properties have all been demonstrated for agonists. Relaxin was found to be the primary ligand for these receptors after these findings.
Researchers have discovered that relaxin dilates blood vessels, stimulates blood vessel growth, and acts as antihypertrophic. Because of its anti-fibrotic properties, relaxin and its derivatives have been the subject of extensive research to treat acute heart failure and other fibrotic diseases.
 https://pubs.acs.org/doi/abs/ 10.1021/acsami.9b17859
 https://pubmed.ncbi.nlm.nih.gov/ 32295457/
Sequence: VIKLSGRELVRAQIA ISGMSTWSKRSL
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