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Our extensive range of cytokines and growth factors include interferons, chemokines, interleukins and various growth and inhibitory factors. Given the importance of this group of proteins in affecting the behavior of other cells, we ensure that our recombinant proteins are tested for function. Whether their function is to regulate cell growth, differentiation or cell movement, our proteins have been tested for activity in relevant cell models, allowing you to make the best choice for your experiments. Many of our cytokines, chemokines and growth factors are now offered in multiple pack sizes, providing you with the flexibility to try a small sample, or scale up to a more cost effective quantity.