ProSci

Rat Thrombopoietin /THPO / TPO Recombinant Protein (85-886)

Product Code:
PSI-85-886
Product Group:
Recombinant Proteins
Supplier:
ProSci
Regulatory Status:
RUO
Target Species:
Rat
Applications:
  • Enzyme-Linked Immunosorbent Assay (ELISA)
  • Immunogen
  • SDS-PAGE
  • Western Blot (WB)
Product Type:
Hormones
Shipping:
RT
Storage:
Store at -20°C. Store the lyophilized protein at -20°C to -80 °C up to 1 year from the date of receipt. After reconstitution, the protein solution is stable at -20°C for 3 months, at 2-8°C for up to 1 week.
 

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This product comes from: United States.
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Further Information

Application Note:
ELISA, Immunogen, SDS-PAGE, WB, Bioactivity Test
Background:
Thrombopoietin (Tpo), is a key regulator of megakaryocytopoiesis and thrombopoiesis. It is principally produced in the liver and is bound and internalized by the receptor Tpo R/cmpl. Defects in the TpoTpo R signaling pathway are associated with a variety of platelet disorders . Mature rat Tpo shares 68% and 81% aa sequence homology with human and mouse Tpo, respectively . It is an 8085 kDa protein that consists of an Nterminal domain with homology to Erythropoietin (Epo) and a Cterminal domain that contains multiple Nlinked and Olinked glycosylation sites. Tpo promotes the differentiation, proliferation, and maturation of megakaryocytes (MK) and their progenitors . Several other cytokines can also promote these functions but only in cooperation with Tpo . Notably, IL3 independently induces MK development, although its effects are restricted to early in the MK lineage . Tpo additionally promotes platelet production, aggregation, ECM adhesion, and activation . These actions, in combination with direct effects on cardiomyocytes, can aid in the recovery of heart function following myocardial infarction . Tpo is cleaved by plateletderived thrombin following Arg191 within the Cterminal domain and subsequently at other sites upon extended digestion . The Cterminal domain is not required for binding to Tpo R or inducing MK growth and differentiation . Aside from its hematopoietic effects, Tpo is expressed in the brain where it promotes the apoptosis of hypoxiasensitized neurons and inhibits neuronal differentiation by blocking NGFinduced signaling .
Buffer:
Lyophilized from a 0.22 um filtered solution of PBS, pH 7.4.
NCBI Gene ID:
81811
Physical State:
Lyophilized
Predicted MW:
33.10 kDa
Protein Accession:
NP_112395.1
Source Species:
HEK293 cells
SwissProt:
P49745

Documents