Matrix metalloproteinase-1 (MMP-1) (MMP-1)

Matrix metalloproteinase-1 (MMP-1), also known as interstitial collagenase, is a zinc-dependent endopeptidase responsible for the degradation of type I, II, and III collagens within the extracellular matrix. In the context of PC-14 lung adenocarcinoma cells, MMP-1 is a critical mediator of tumor cell invasion and metastasis, and its expression is tightly regulated by upstream signaling pathways including EGFR, PAR-1, and the MAPK/AP-1 axis. Research involving PC-14 cells has frequently focused on identifying small molecules and natural products, such as the flavone tricin, that can down-regulate MMP-1 expression to inhibit cancer progression. While the direct molecular targets of some of these inhibitory compounds are often described as unknown or are still under investigation, they typically function by disrupting the signaling cascades that lead to MMP-1 transcription. Consequently, MMP-1 is considered a significant therapeutic target for preventing metastasis in lung cancer, although the clinical development of MMP inhibitors has been historically hindered by challenges in achieving isoform selectivity and avoiding debilitating musculoskeletal side effects.

Other names

Interstitial collagenaseFibroblast collagenaseMatrix metallopeptidase 1MMP1CLGCLGN

Direct inhibition of the catalytic zinc-binding site or transcriptional down-regulation via the MAPK/AP-1 signaling pathway.