Technical Articles

A selection guide for recombinant human FGF-R4/CD334: reading interaction data, construct and tag considerations, and arrival acceptance criteria for ligand-binding studies.

FGF-R4 (CD334) is an FGF receptor tyrosine kinase whose ligand recognition is shaped by FGF19 and KLB. This article explains receptor characteristics, ligand selection and SPR/ELISA-based binding validation of recombinant human FGF-R4.

A selection guide for recombinant NRF2: construct and tag design considerations, activity readouts and arrival acceptance criteria for oxidative-stress research.

NRF2 (NFE2L2) is the master transcriptional regulator of the antioxidant response. This article covers the KEAP1-NRF2 axis, ARE-driven gene program and activity validation of recombinant NRF2.

A selection guide for TGF-β1: judging activity data, arrival acceptance and supplier considerations for reproducible signaling experiments.

TGF-β1 acts through a latent-complex activation mechanism. This article explains latency, activation and Smad signaling, and how to determine activity of recombinant TGF-β1.

A selection guide for KGF/FGF-7: reading bioactivity data, pairing with companion factors, and acceptance criteria for reproducible epithelial and organoid cultures.

KGF (FGF-7) is an epithelial-specific FGF family member acting through FGFR2b. This article explains its mechanism, epithelial proliferation roles and organoid-culture applications.

TGF-β1 sits at the center of fibrosis and immunosuppressive tumor microenvironment research. This article reviews ALK5 inhibitors, ligand traps and translational study design around TGF-β1.

A practical guide to TGF-β1 cell treatment: low-concentration adsorption and carrier protein, phosphorylated Smad2/3 readouts, reporter assays and troubleshooting variable activity data.