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Home/epithelial, hematopoietic, human, IGF family, iPSC / ESC maintenance, neural/recombinant human/bovine/porcine IGF-1 protein (Qk047)

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recombinant human/bovine/porcine IGF-1 protein (Qk047)

Human IGF-1, insulin-like growth factor 1, protein is often used in the maintenance of human pluripotent stem cells1

Highly pure and bioactive 9 kDa IGR-1 protein monomer, animal-free (AF) and carrier-protein free (CF)

If you are interested in this protein and want to be alerted as soon as it is launched please let us know!


  • high purity human IGF-1 protein (Uniprot:P05019)

  • 9 kDa

  • expressed in E. coli. 

  • animal-free (AOF) and carrier protein-free.

  • manufactured in our Cambridge, UK laboratories

  • lyophilized from acetonitrile, TFA

  • resuspend in water at >100 µg/ml, prepare single use aliquots, add carrier protein if desired and store frozen at -20 oC or -80 oC

handling and storage FAQ

featured applications

Long R3 IGF-I, Insulin-like Growth Factor-I, Somatamedin C, IGF-IA

1. Wang, Linlin, et al. ‘Self-Renewal of Human Embryonic Stem Cells Requires Insulin-like Growth Factor-1 Receptor and ERBB2 Receptor Signaling’. Blood, vol. 110, no. 12, Dec. 2007, pp. 4111–19.

2. Laron, Z. ‘Insulin-like Growth Factor 1 (IGF-1): A Growth Hormone’. Molecular Pathology, vol. 54, no. 5, Oct. 2001, pp. 311–16.


porcine (pig)

bovine (cow)

research areas

iPSC/ESC maintenance

protein background

Insulin-like growth factor 1 (IGF-1) is a protein with a similar structure to insulin and is used frequently to replace or reduce the requirement for insulin in cell culture media.  IGF-1 is a primary mediator of growth hormone (GH), with growth-promoting effects on most cells and tissues including skeletal muscle, cartilage, bone, liver, kidney, nerve, skin, hematopoietic and lung.2  IGF-I activates numerous signalling pathways, including PI3K/AKT and ERK1/2 signalling, through binding the IGF-I receptor.2

We welcome all feedback and specialist collaborator data on all our products. If you would like to provide application-specific feedback, please submit a review or contact our team

Our products are for research use only and not for diagnostic or therapeutic use.  Products are not for resale.

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