M-CSF Protein, Human (223a.a, HEK293, His)

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Based on 2 publication(s) in Google Scholar

The M-CSF protein is an important cytokine that modulates hematopoietic precursor cells, especially mononuclear phagocytes, affecting innate immunity and inflammation through the release of proinflammatory chemokines. It is essential for osteoclast proliferation and regulates bone resorption, bone development and fertility. M-CSF Protein, Human (223a.a, HEK293, His) is the recombinant human-derived M-CSF protein, expressed by HEK293 , with C-6*His labeled tag.

For research use only. We do not sell to patients.
  • Species: Human
  • Source: HEK293
  • 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.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs

Biological Activity

Description

The M-CSF protein is an important cytokine that modulates hematopoietic precursor cells, especially mononuclear phagocytes, affecting innate immunity and inflammation through the release of proinflammatory chemokines. It is essential for osteoclast proliferation and regulates bone resorption, bone development and fertility. M-CSF Protein, Human (223a.a, HEK293, His) is the recombinant human-derived M-CSF protein, expressed by HEK293 , with C-6*His labeled tag.

Background

M-CSF Protein is a vital cytokine involved in regulating the survival, proliferation, and differentiation of hematopoietic precursor cells, particularly mononuclear phagocytes like macrophages and monocytes. It plays a crucial role in innate immunity and inflammatory processes by promoting the release of pro-inflammatory chemokines. Additionally, M-CSF Protein is essential for osteoclast proliferation and differentiation, regulating bone resorption, and normal bone development. It is also necessary for normal male and female fertility. Moreover, M-CSF Protein contributes to the reorganization of the actin cytoskeleton, facilitating membrane ruffle formation, cell adhesion, and cell migration. Furthermore, it plays a role in lipoprotein clearance. M-CSF Protein can exist in different forms, such as homodimer or heterodimer configurations, and it interacts with CSF1R.

Verified Bioactivity

Measured in a cell proliferation assay using M-NFS-60 mouse myelogenous leukemia lymphoblast cells. The ED50 for this effect is 2-10 ng/mL, corresponding to a specific activity is ≤6.69×105 units/mg.

MCE Validation Data

  • Purity - SDS-PAGE

    Purity - SDS-PAGE

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

  • Bioactivity - Cell-Based Assay

    Bioactivity - Cell-Based Assay

    Measured in a cell proliferation assay using M-NFS-60 mouse myelogenous leukemia lymphoblast cells. The ED50 for this effect is 1.323 ng/mL, corresponding to a specific activity is 7.559×105 units/mg.

Technical Parameters

  • Species Human
  • Source HEK293
  • Tag C-6*His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • M-CSF (E33-R255)
      Accession # P09603-1
    • 6*His
    • C-term
  • Protein Length

    Full Length of Macrophage colony-stimulating factor 1 43 kDa subunit Chain

  • Synonyms

    CSF1; Macrophage Colony Stimulating Factor 1; Colony Stimulating Factor 1; Lanimostim; MCSF; MGC31930; Proteoglycan Macrophage Colony-Stimulating Factor; PG-M-CSF; Macrophage Colony-Stimulating Factor 1; CSF-1; M-CSF; CSF1-HERV-LTR71B Fusion Protein; Colo

  • AA Sequence

    EEVSEYCSHMIGSGHLQSLQRLIDSQMETSCQITFEFVDQEQLKDPVCYLKKAFLLVQDIMEDTMRFRDNTPNAIAIVQLQELSLRLKSCFTKDYEEHDKACVRTFYETPLQLLEKVKNVFNETKNLLDKDWNIFSKNCNNSFAECSSQDVVTKPDCNCLYPKAIPSSDPASVSPHQPLAPSMAPVAGLTWEDSEGTEGSSLLPGEQPLHTVDPGSAKQRPPR

  • Predicted Molecular Mass

    26.6 kDa

  • Molecular Weight

    Approximately 35-48 kDa, based on SDS-PAGE under reducing conditions.

  • Glycosylation

    Yes

  • Purity

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

Product Properties

Appearance

Lyophilized powder

Formulation

1.Lyophilized from a 0.22 μm filtered solution of 20 mM PB, 150 mM NaCl, pH 7.4.
2.Lyophilized from a 0.22 μm filtered solution of 20 mM PB, 150 mM NaCl, 4% Mannitol, pH 7.2.
Please refer to the lot-specific COA for specific buffer information.

Endotoxin Level

<0.01 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.

Calculators

Reconstitution Calculator

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

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

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

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