• Human GDF15 (growth differentiation factor 15) protein is a member of the TGFβ family and subject of intense interest as a marker of cellular stress and for its role in metabolism, cancer and pregnancy.  Human GDF15 also is functional in mouse studies.This 25 kDa disulfide-linked dimer is composed of the mature domain of human growth differentiation factor 15 protein. Our recombinant GDF15 protein is expressed in E. coli and exceptionally high purity extensively validated to ensure no trace contamination of related TGFβ family proteins from the mammalian culture systems, which historically led to controversy in the literature. 
  • SCF is a critical factor in the maintenance and expansion of hematopoietic stem cells (HSCs) in the bone marrow microenvironment. Key myeloid progenitor differentiation factor for a variety of myeloid cells such as megakaryocytes, basophils, neutrophils, and monocytes, Stem Cell Factor is also a primary growth and activation factor for mast cells and eosinophils. Overall, it plays an important role in embryonic development, immune regulation, and cancer biology.Qkine has optimised the SCF manufacture process to produce a highly bioactive protein with excellent lot-to-lot consistency for enhanced experimental reproducibility.Recombinant SCF is a highly pure 18.5 kDa monomer, animal-free (AOF) and carrier-protein-free (CF).

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