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You are here:Home » Molecular Biology » Growth Factors-Thrombopoietin » Thrombopoietin, Recombinant, Human (TPO, Mpl-ligand, MGDF)

Thrombopoietin, Recombinant, Human (TPO, Mpl-ligand, MGDF)

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Specifications

TPO is a lineage specific growth factor, produced in the liver, kidney and skeletal muscle. It stimulates the proliferation and maturation of megakaryocytes, and promotes increased circulating levels of platelets in vivo. TPO signals through the c-mpl receptor and acts as an important regulator of circulating platelets. Human and murine TPO exhibits cross-species reactivity. Recombinant human TPO is a fully biologically active 174aa polypeptide 18.6kD, which contains the erythropoietin-like domain of the full length TPO protein.
Catalog #149645
SourceRecombinant protein corresponding to human Thrombopoietin, expressed in E.coli.
Biological ActivityDetermined by the dose-dependent stimulation of the proliferation of human MO7e cells. The ED50 was found to be 1ng/ml.
Specific Activity1x10e6 units/mg
Endotoxin<0.1ng/ug (1EU/ug)
AA SequenceSPAPPACDLR VLSKLLRDSH VLHSRLSQCP EVHPLPTPVL LPAVDFSLGE WKTQMEETKA QDILGAVTLL LEGVMAARGQ LGPTCLSSLL GQLSGQVRLL LGALQSLLGT QLPPQGRTTA HKDPNAIFLS FQHLLRGKVR FLMLVGGSTL CVRRAPPTTA VPSRTSLVLT LNEL
Storage and StabilityMay be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
SourceE. coli
Purity~98% (SDS-PAGE and HPLC)
ConcentrationAs reported
FormSupplied as a lyophilized powder.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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