Thrombopoietin

• Description:

  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/c-mpl. Defects in the Tpo-Tpo R signaling pathway are associated with a variety of platelet disorders. The 353 amino acid (aa) human Tpo precursor is cleaved to yield the 332 aa mature protein. Mature human Tpo shares approximately 70% aa sequence homology with mouse and rat Tpo. It is an 80 - 85 kDa protein that consists of an N-terminal domain with homology to Erythropoietin (Epo) and a C-terminal domain that contains multiple N-linked and O-linked glycosylation sites. Tissue specific alternate splicing of human Tpo generates multiple isoforms with internal deletions, insertions, and/or C-terminal substitutions. Tpo promotes the differentiation, proliferation, and maturation of MK and their progenitors. Several other cytokines can promote these functions as well but only in cooperation with Tpo. Notably, IL-3 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. It is cleaved by platelet-derived thrombin following Arg191 within the C-terminal domain and subsequently at other sites upon extended digestion.

• Synonyms:

  THPO; ML; TPO; MGDF; MKCSF; MPLLG; THCYT2

• NCBI Gene ID:

  7066

• UniProt:

  P40225

• Accession Number:

  NP_000451.1

• Accession Number mRNA:

  NM_000460.2

• Chromosomal Location:

  3q27

• Reactivity:

  Anti-Human

• Cross Reactivity:

  Human

• Target Antigen:

  Recombinant Human TPO

• Clone:

  Rabbit IgG

• Applications:

  ELISA, WB, N

• Purification Method:

  Antigen-affinity purified

• Assay Protocol:

  Centrifuge vial prior to opening. Reconstitute in sterile water to a concentration of 0.1-1.0 mg/ml.

• Form:

  Lyophilized from PBS

• Buffer:

  PBS

• Reconstitution:

  Water

• Storage Conditions:

  The lyophilized antibody is stable for at least 2 years from date of receipt at -20°C. The reconstituted antibody is stable for at least two weeks at 2-8°C. Frozen aliquots are stable for at least 6 months when stored at -20°C.

• Host or Source:

  Rabbit