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TPO/Thrombopoietin Protein, Mouse (CHO)

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Based on 1 publication(s) in Google Scholar

TPO Protein, Mouse (CHO) is a hematopoietic factor that controls platelet production.

For research use only. We do not sell to patients.
  • Species: Mouse
  • Source: CHO
  • Storage:
    Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
  • Experimental Validation Results for TPO/Thrombopoietin Protein, Mouse (CHO)
  • TPO/Thrombopoietin Protein, Mouse (CHO) Product Image
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To place orders, for customer services and technical support, please contact:

609-228-6898
[email protected] [email protected]
Find Your Local Distributor Your local distributor: Hycultec GmbHHycultec
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • References
  • Help & FAQs
Top Publications Citing

Use of MCE Products

Biological Activity

Description

TPO Protein, Mouse (CHO) is a hematopoietic factor that controls platelet production.

Background

Recombinant thrombopoietin reduces radiation- and chemotherapy-induced thrombocytopenia, enhances platelet recovery after bone marrow transplantation and increases the number of megakaryocyte precursor cells in stem cell harvests. Injection of thrombopoietin into animals stimulates the number, size and ploidy of bone marrow megakaryocytes and increases the platelet count up to ten-fold[1]. Superphysiological amounts of Thrombopoietin/TPO (>100 ng/mL) are able to directly activate platelet aggregation in vitro. Thrombopoietin/TPO also has significant effects on platelet adhesion under flow. Low Thrombopoietin/TPO concentrations (001-1 ng/mL) accelerate firm platelet adhesion to von Willebrand factor and prevent de-attachment at higher flow rates[2].

Verified Bioactivity

The ED50 is <2 ng /mL as measured by MO7e cells.

Technical Parameters

  • Species Mouse
  • Source CHO
  • Tag Tag Free
  • Accession

    P40226-1 (S22-T356)

  • Gene ID
    21832  [NCBI]
  • Molecular Construction
    • N-term
    • TPO/Thrombopoietin (S22-T356)
      Accession # P40226-1
    • C-term
  • Protein Length

    Full Length of Isoform-1 Mature Protein

  • Synonyms

    THPO; Prepro-Thrombopoietin; Prev. MGDF; MPL Ligand; Myeloproliferative Leukemia Virus Oncogene Ligand; ML; Megakaryocyte Growth And Development Factor; Thrombopoietin Nirs Variant 3; Megakaryocyte Colony-Stimulating Factor; Thrombopoietin Nirs Variant 2;

  • AA Sequence

    SPVAPACDPRLLNKLLRDSHLLHSRLSQCPDVDPLSIPVLLPAVDFSLGEWKTQTEQSKAQDILGAVSLLLEGVMAARGQLEPSCLSSLLGQLSGQVRLLLGALQGLLGTQLPLQGRTTAHKDPNALFLSLQQLLRGKVRFLLLVEGPTLCVRRTLPTTAVPSSTSQLLTLNKFPNRTSGLLETNFSVTARTAGPGLLSRLQGFRVKITPGQLNQTSRSPVQISGYLNRTHGPVNGTHGLFAGTSLQTLEASDISPGAFNKGSLAFNLQGGLPPSPSLAPDGHTPFPPSPALPTTHGSPPQLHPLFPDPSTTMPNSTAPHPVTMYPHPRNLSQET

  • Molecular Weight

    Approximately 30-80 kDa, based on SDS-PAGE under reducing conditions.

  • Glycosylation

    Yes

  • Purity

    ≥ 95%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Lyophilized powder

Formulation

Lyophilized from a 0.22 μm filtered solution of PBS.

Endotoxin Level

<0.2 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).

Storage & Stability

Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

References

[1]. Kuter DJ, et al. Thrombopoietin: Biology and Clinical Applications. Oncologist. 1996;1(1 & 2):98-106. [Content Brief]

[2]. Hitchcock IS, et al. Thrombopoietin from beginning to end. Br J Haematol. 2014 Apr;165(2):259-68. [Content Brief]

Calculators

Reconstitution Calculator

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

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Dilution Calculator

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

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The Specific Activity Calculator Equation
  • Specific Activity (Unit/mg)
  • Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) Specific Activity (Unit/mg)
Unit/mg
= 106 ÷
Biological Activity (ED50) Biological Activity (ED50)
106 ÷
ng/mL
MOQ
Minimum order quantity
100 mg

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Measured by its ability to inhibit anti-CD3-induced proliferation of stimulated CTLL-2 mouse cytotoxic T cells. The ED50 this effect is 0.8023 μg/ml, corresponding to a specific activity is 1246.42 units/mg.

Assay Types
  • 1/16

    MedChemExpress Validation
     ≥ 95%, as determined by reducing SDS-PAGE.

  • TPO/Thrombopoietin Protein, Mouse (CHO) Product Image
    1/16
  • Experimental Validation Results for TPO/Thrombopoietin Protein, Mouse (CHO)
  • TPO/Thrombopoietin Protein, Mouse (CHO) Product Image