• Brain-derived neurotrophic factor (BDNF) is a member of neurotrophin family and plays a crucial role in neural development, maintenance, and function. It stimulates neurogenesis and is also a major regulator of synaptic plasticity and neuroprotection. It is used to maintain neurons and differentiate and mature human pluripotent stem cell-derived neural progenitors to cortical and motor neurons and cortical organoids.Recombinant human BDNF protein has a molecular weight of 14 kDa. This protein is animal-free, carrier-free, tag-free, and non-glycosylated to ensure its purity with exceptional lot-to-lot consistency. Qk050 is suitable for the culture of reproducible and high-quality cortical and motor neurons and cortical organoids.
  • Human EGF protein is a potent EGF-family growth factor used in many human and mouse organoid and stem cell culture systems including intestinal and tumor (cancer) organoid culture.A pure 6.3 kDa biologically active mature human epidermal growth factor. Our recombinant EGF protein is manufactured to the highest purity in E. coli and extensively tested, making it ideal for use in chemically defined iPSC, ESC and organoid culture media.
  • Human FGF-9 protein is a member of the fibroblast growth factor (FGF) family, FGF-9 is involved in many developmental processes including neural and skeletal development. Recombinant FGF9 is used frequently in the generation of kidney organoids.Highly pure and bioactive 23 kDa FGF-9 protein, animal-free (AOF) and carrier-protein free (CF)
  • Glial cell line-derived neurotrophic factor (GDNF) is a member of neurotrophin family and GDNF family of ligands (GFL). GDNF plays a crucial role in the development, growth, and survival of neurons in particular midbrain dopaminergic neurons. It promotes the axon growth and innervation of dopamine neurons. GNDF is used to maintain neurons and cortical organoids and to differentiate dopaminergic neurons from human pluripotent stem cell-derived neural progenitors. GDNF also facilitates the differentiation of neural progenitors to astrocytes.Recombinant human GDNF bioactive 30 kDa homodimer. This protein is animal-free (AOF), carrier protein-free, and tag-free to ensure its purity with exceptional lot-to-lot consistency.  Qk051 is suitable for the culture of reproducible and high-quality cortical and motor neurons and cortical organoids.
  • Recombinant bovine HGF protein is a potent, high-purity NK1 isoform of bovine hepatocyte growth factor (HGF).   Bovine HGF differs from human HGF at several key amino acid residues that are predicted to affect bioactivity and receptor binding.  Use of species-specific HGF growth factor will facilitate media optimization for cellular agriculture (cultivated meat) and veterinary applications. Also available is Qk061 Porcine HGF (NK1). The highly scalable animal-free manufacture and enhanced bioactivity make this suitable for chemically-defined media and reproducible scale-up.20kDa naturally occurring isoform of HGF, animal-free and carrier-protein free.
  • Hepatocyte growth factor (HGF) is a multi-functional cytokine that promotes the growth and proliferation of various cell types including mesenchymal, endothelial, and epithelial cells. It is involved in embryonic development, cell motility, survival, angiogenesis, and tissue regeneration. In cell culture, HGF is used to promote the differentiation of mesenchymal cells towards hepatocytes, osteocytes, and endothelial cells. Recombinant human HFG NK1 protein is a potent naturally occurring isoform of HGF. This protein is animal-free, carrier protein-free, and tag-free to ensure its purity with exceptional lot-to-lot consistency with a molecular weight of 20 kDa. It promotes efficient differentiation of human induced pluripotent stem cells to hepatocyte-like cells at just 10 ng/ml with highly homogeneous expression of the hepatic marker, HNF4α.  
  • Neurotrophin 3 protein is part of the neurotrophin family and plays a crucial role in embryonic development and the maintenance and neuroprotection of the adult nervous system.NT-3 protein is used in cell culture to promote the differentiation and survival of specific neural subpopulations in both the central nervous system and peripheral nervous system such as sensory neurons, cortical neurons, and oligodendrocytes. It is also involved in the maintenance of endothelial cells and myocardial cells.Recombinant Neurotrophin 3 protein is a non-covalently linked homodimer with a molecular weight of 27.3 kDa.Qkine NT3 protein is animal-free (AOF), carrier-free, tag-free, and non-glycosylated to ensure its purity with exceptional lot-to-lot consistency. It is suitable for the culture of reproducible and high-quality cortical neurons and oligodendrocytes.
  • Recombinant porcine HGF protein is a potent, high-purity NK1 isoform of porcine hepatocyte growth factor (HGF). Porcine Recombinant Protein HGF differs from human HGF at several key amino acid residues that are predicted to affect bioactivity and receptor binding. Use of species-specific HGF growth factor will facilitate media optimization for cellular agriculture (cultivated meat) and veterinary applications. Also available is Qk060 Bovine HGF (NK1). The highly scalable animal-free manufacture and enhanced bioactivity make this suitable for chemically-defined media and reproducible scale-up.20kDa naturally occurring isoform of HGF, animal-free and carrier-protein free.
  • Human KGF protein (FGF-7)  is a member of the FGF family secreted by mesenchymal cells and has a paracrine effect on neighbouring epithelial cells.1 KGF protein is used in the culture of lung, breast, liver, and bladder organoids.2 In vivo, KGF is involved in wound healing and development of kidney, thymus, and hippocampus.1High purity and bioactivity 19 kDa human FGF-7 / KGF protein, animal-origin free (AOF) and carrier-protein free (CF).
  • Sonic hedgehog protein (Shh) is a member of the Hedgehog family with an essential role in embryonic development, tissue regeneration, and tumorigenesis. Shh induces the cell fate and patterning of neural progenitors in ventral domains at various levels in the forebrain, midbrain, hindbrain, and spinal cord. It has many applications in the neural stem cell field where it plays a significant role in differentiating human-induced pluripotent stem cells (iPSC) towards motor neurons and interneurons. Also, it induces the patterning of organoids and embryos in culture.Recombinant Shh protein has a molecular weight of 19.8kDa. This protein is animal-free (AOF), carrier protein-free, and tag-free to ensure its purity with exceptional lot-to-lot consistency. Sonic hedgehog protein is suitable for the culture of reproducible and high-quality neurons and organoids.
  • Recombinant human vascular endothelial growth factor 165 (also known as VEGF165/ VEGF-165/ VEGF-A/ VEGF165) protein is widely used in culturing primary endothelial cells, such as human umbilical vein endothelial cells.VEGF165 is commonly used with human-induced pluripotent stem cells or embryonic stem cells-derived endothelial cells for developing human vascular tissue models. It has many applications including its use in neural research involving oligodendrocyte precursor cells, Schwann cells, astrocytes, and microglia. It plays a role in bone formation, regulates mesenchymal stem cell differentiation, and serves as a survival factor for chondrocytes, hematopoietic stem cells, and tumor cells.Qkine recombinant human VEGF165 protein is a highly pure and potent 38 kDa homodimer, disulfide-linked consisting of two 165 amino acid polypeptide chains. It is an animal origin free (AOF) and carrier protein-free (CF) isoform of VEGF for high efficiency.

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