M-CSF Protein, Rat

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Based on 3 publication(s) in Google Scholar

M-CSF Protein, Rat is a pro-inflammatory cytokine, binds to its receptor CSF1R, and is involved in the development and proliferation of cells of the monocyte/macrophage lineage and participates in the induction of osteoclasts which are important in the destruction of bone and cartilage and in the periarticular osteoporotic changes.

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  • Species: Rat
  • Source: E. coli
  • 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
  • References
  • Help & FAQs

Biological Activity

Description

M-CSF Protein, Rat is a pro-inflammatory cytokine, binds to its receptor CSF1R, and is involved in the development and proliferation of cells of the monocyte/macrophage lineage and participates in the induction of osteoclasts which are important in the destruction of bone and cartilage and in the periarticular osteoporotic changes.

Background

Macrophage Colony Stimulating Factor (M-CSF) is a pro-inflammatory cytokine, constitutively produced by several cell types, such as fibroblasts, endothelial cells, stromal cells, macrophages, smooth muscle cells and osteoblasts, binds to its receptor CSF1R, and exists in several isoforms- as a secreted glycoprotein, a cell-surface protein and a proteoglycan[1]. M-CSF is involved in the development and proliferation of cells of the monocyte/macrophage lineage and participates in the induction of osteoclasts, which are important in the destruction of bone and cartilage and in the periarticular osteoporotic changes seen in patients with rheumatoid arthritis[2].

Verified Bioactivity

The ED50 is ≤5 ng/mL as measured by murine M-NFS-60 cells, corresponding to a specific activity of >2 × 105 units/mg.

Results
  • Experimental Validation Results for M-CSF Protein, Rat
    Measured in a cell proliferation assay using M-NFS-60 mouse myelogenous leukemia lymphoblast cells. The ED50 for this effect is 1.199 ng/mL, corresponding to a specific activity is 8.34×10^5 units/mg.

Technical Parameters

  • Species Rat
  • Source E. coli
  • Tag Tag Free
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • M-CSF (E33-P186)
      Accession # Q8JZQ0-1
    • C-term
  • Protein Length

    Partial

  • Synonyms

    rRtM-CSF; CSF-1; M-CSF

  • AA Sequence

    EVSEHCSHMIGNGHLQILQQLIDSQMETACLIEYKFVDQEQLDDPVCYLKKAFVLVQVIIEETMRFKDNTPNANATERLQELSMKLNSCFIKDYKEQNEACVQTYKESPLRLLEKIKNFFNETKNFLEKDWNIFSKNCNDSFAKCSSRDVVTKP

  • Predicted Molecular Mass

    18 kDa

  • Molecular Weight

    Approximately 28 kDa, based on SDS-PAGE under non reducing (N) conditions.

  • Structure/Form

    Disulfide-linked homodimer

  • Purity

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

    • Experimental Validation Results for M-CSF Protein, Rat
      ≥ 95%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Lyophilized powder

Formulation

Lyophilized from a 0.22 μm filtered solution of 50 mM Tris, 150 mM NaCl, pH 8.0.
Note: For SPR assay, please replace the buffer. Primary amine components (e.g., Tris, imidazole) can affect protein-coupled chips.

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

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)
×
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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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