Start at the pathway
Open a receptor or signaling page to learn the biological frame before compound names.
Map peptides to the biology that moves them.
Explore receptors, signaling cascades, and compound–pathway relationships written for research literacy—not product catalogs.
Organize around biology
Start with receptors and signaling systems, then follow the peptides researched in those contexts.
GHRH Receptor
Hypothalamic control of growth hormone release
Growth Hormone Signaling
From GH receptor engagement to transcriptional programs
IGF-1 Pathway
Receptor tyrosine kinase signaling downstream of the GH axis
Ghrelin Receptor
GHSR pharmacology and neuroendocrine signaling
Melanocortin Receptors
Subtype-specific melanocortin GPCR biology
GLP-1 Receptor
Incretin receptor signaling in metabolic research
GIP Receptor
Second incretin receptor in metabolic signaling maps
Glucagon Receptor
Counter-regulatory GPCR signaling for glucose homeostasis
Copper Peptide Signaling
Copper-binding peptides in matrix and repair research contexts
How to read this library
Each page separates mechanism description from research context and notes where evidence is limited to cell or animal models.
Follow the crossover
Use compound × pathway articles to see how a peptide is discussed inside that mechanism.
Respect evidence tiers
Cell, animal, and human findings are not interchangeable. Limitations sit on every major page.
Compound × pathway pages
Focused articles that connect a specific peptide research topic to a biological pathway.
MOTS-c and Mitochondrial Pathways
MOTS-c → Mitochondrial pathways
Read crossover
Semaglutide and GLP-1 Receptor Signaling
Semaglutide → GLP-1 receptor
Read crossover
Ipamorelin and Ghrelin Receptor Research
Ipamorelin → Ghrelin receptor (GHSR)
Read crossover
Tesamorelin and GHRH Receptor Research
Tesamorelin → GHRH receptor
Read crossover