Background reading on peptide classes, nomenclature and receptor pharmacology as described in the published literature.
Three numbers appear throughout the peptide literature and are routinely treated as interchangeable. They measure different things under different conditions.
KLOW is a supplied combination of four separate research peptides rather than a single molecule.
CJC-1295 is sold and studied in two forms that are frequently conflated. The difference is a single chemical addition…
The melanocortin system is a useful case study in receptor selectivity, because a single endogenous ligand family acts across five receptor subtypes with different tissue…
SS-31, also known as elamipretide, is unusual among research peptides because its mechanism is defined by where it goes rather than by a receptor it binds.
Kisspeptin-10 is the shortest fragment of the KISS1 gene product that retains full receptor activity, which makes it a common tool compound in work on the KISS1R pathway.
GHK-Cu is frequently described as a tripeptide, which understates what is actually being studied.
DSIP is a case where the name of a compound has outlasted the confidence of the finding that produced it. Using it well as a research material means understanding that history.
Epitalon — also transliterated epithalon or epithalone — is a synthetic tetrapeptide with the sequence Ala-Glu-Asp-Gly.
Selank and Semax are frequently grouped together because they share a development lineage and a common design strategy, not because they act on the same target.
BPC-157 is among the most widely discussed research peptides and among the most frequently misread.
TB-500 and thymosin β4 are routinely used as if they were interchangeable names for one substance.
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