Recombinant FGF2-G3 (FGF2-STAB®) protein is a thermostable engineered form of FGF-2 (bFGF). Qk053 is the 154 aa mature domain of FGF-2 (Qk027) with nine amino acid substitutions to enhance stability without impacting bioactivity developed by Dvorak et al.

Porcine EGF is an essential growth factor belonging to the Epidermal Growth Factor family that stimulates the proliferation and differentiation of cells. It is used for the differentiation of induced pluripotent stem cells (iPSCs) and embryonic stem cells

Recombinant human HGF protein is a potent, high purity NK1 isoform of human hepatocyte growth factor (HGF) that promotes efficient differentiation of human iPSCs to hepatocyte-like cells at just 10 ng/ml with highly homogeneous expression of the hepatic m

Mouse LIF (murine leukemia inhibitory factor) protein maintains the pluripotency and self-renewal of mouse embryonic and induced pluripotent stem cells. Qkine recombinant mouse LIF protein is animal-free and carrier-protein free for highly reproducible r

Sonic hedgehog (Shh) protein has many applications in the neural stem cell field. Shh is used as a growth factor (cytokine) to induce cell types in ventral domains at various levels in the forebrain, midbrain, hindbrain, and spinal cord. It plays a signif

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 spe

Human OSM protein (oncostatin M) is used in the differentiation of human pluripotent stem cells into hepatocyte-like cells. OSM also plays roles in osteogenesis and neurogenesis, and is an important regulator of the hematopoietic stem cell niche in the bo

Human/rat/porcine/bovine FGF10 protein promotes lung organoid formation and induces branching morphology. FGF10 protein is used widely in organoid culture, embryonic stem cell (ESC) and induced-pluripotent stem cell (iPSC) differentiation, and for the st

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 pu

Human PDGF-BB (platelet derived growth factor BB) protein is a homodimer of PDGF-B peptide chains. PDGF is a potent mitogen involved in embryogenesis.PDGF-BB is used in neuronal differentiation2 and treatment of periodontal and orthopedic bone defects and

Zebrafish FGF-2 protein (bFGF/basic FGF) has been used extensively to support the maintenance and proliferation of human and mouse induced pluripotent (iPSC) and embryonic stem cells (ESC); used in the original Ludwig et al feeder-free culture of embryoni

Human/mouse/rat Activin A PLUS protein is an optimised biologically active truncation of the mature domain of human Activin A protein. The EC50 and activity in stem cell culture of activin A PLUS is equivalent to the full mature domain activin A. High pur

Human NRG-1 protein (Neuregulin 1) is frequently used in the maintenance of human pluripotent stem cells. In addition to its widespread use in stem cell culture media, NRG-1 (also known as Heregulin-ß1 , HRG-1) has essential roles in vivo including in ne

Human R-spondin 3 protein potentiates Wnt signalling in and has been shown to function in crypt regeneration in the intestine and control stem cell and progenitor cell behaviour during kidney development. R-spondin 3 is used alongside R-spondin 1 in intes

Human GDF15 (growth differentiation factor 15) protein is a member of the TGFß 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. Th

Human/bovine/porcine TGF-ß1 PLUS protein is the first entirely animal-free recombinant human transforming growth factor beta 1 (TGF-ß1) protein for highly reproducible results and compatible with chemically-defined stem cell media. TGF-ß1 is used extensiv

Human FGF-4 protein is used for the proliferation and differentiation of embryonic and induced-pluripotent and tissue (mesenchymal) stem cells and promotes neural stem cell proliferation. FGF-4 is an important component of cardiac, intestinal and other o

Human BDNF (brain-derived neurotrophic factor) protein is an important regulator of neural development, maintenance, and function, and is used in the differentiation of human pluripotent stem cell-derived neural progenitors to neurons and cortical organoi

Human Glial cell line-derived neurotrophic factor (GDNF) protein supports the maintenance and differentiation of numerous types of neurons including dopaminergic neurons. GDNF is used to differentiate human pluripotent stem cell into neurons1 and in pluri

Human/mouse/rat/bovine/porcine activin A protein is a TGFß family growth factor used frequently for the maintenance of pluripotency in induced pluripotent stem cell (iPSC) and embryonic stem cell (ESC) culture. Recombinant human Activin A protein is also

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

Recombinant human R-spondin 1 protein (RSPO1) is the prototypic member of the R-spondin family and is used to potentiate Wnt signalling in many organoid culture systems including intestinal and tumor (cancer) organoid culture. R-spondin 1 is also required

Follistatin-resistant activin A protein (FRACTA) has been engineered to prevent binding to the natural inhibitor, follistatin. Activin A activity protein is regulated in vivo by follistatin, a high-affinity inhibitor; follistatin accumulates in stem cell

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. O

Human BMP4 protein (bone morphogenetic protein 4) is a key regulator of embryogenesis and supports the differentiation of embryonic stem cells and induced pluripotent stem cells. In addition, BMP4 protein plays roles in the differentiation of mesenchymal

Mouse/rat noggin is a bone morphogenetic protein (BMP) family antagonist used in the culture of intestinal, pancreatic, lung and tumor-derived organoids, maintenance of undifferentiated embryonic stem cells and for stem cell differentiation into neural an

Recombinant human neurotrophin 3 (NT3) protein is part of the NGF family of neurotrophic factors. NT-3 promotes differentiation and survival of specific neuronal subpopulations in both the central nervous system and peripheral nervous system. This growth

Macrophage colony-stimulating factor (M-CSF) is a cytokine that regulates the survival, proliferation, differentiation, and functional activation of monocytes, such as macrophages and dendritic cells. Various cells produce and release M-CSF, such as endot

Human TGF-ß3 protein is a member of the Transforming Growth Factor family, a family involved in regulating cell survival, proliferation and differentiation.1 TGF-ß3 is used in human pluripotent stem cell maintenance medias, such as B8 media.2 High purity

Human LIF (leukemia inhibitory factor) protein suppresses the differentiation of murine embryonic stem cells (ESCs) and is widely used in ESC and iPSC culture.Qkine human LIF protein is high purity and animal and carrier-protein free for reproducible resu

Human noggin is a bone morphogenetic protein (BMP) family antagonist used in the culture of intestinal, pancreatic, lung and tumor-derived organoids, maintenance of undifferentiated embryonic stem cells and for stem cell differentiation into neural and mi

FGF2-G3 (145 aa) protein is a thermostable engineered form of FGF-2 (bFGF). Qk052 comprises the 145 aa form of FGF-2 (Qk025) with the nine amino acid substitutions developed by Dvorak et al. 2018. This increases the functional half-life of the protein fro