GoldBio’s Cytokines and Recombinant Proteins collection offers a trusted selection of high-purity reagents designed to support cell signaling, differentiation, proliferation, and immune modulation in research and therapeutic development. Our portfolio includes BDNFs, cardiac hormones, CCNs, chemokines, CSFs, defensins, EGFs, FGFs, IGFs, interferons, interleukins, neuregulins, neurotrophic factors, and more.

Whether you're investigating inflammation pathways, neural development, stem cell behavior, or oncogenic signaling, GoldBio provides biologically active proteins with rigorous quality control and reproducibility researchers depend on. Explore our collection to find the right tools for precise, high-impact experimental workflows.