Recombinant human M-CSF protein (Active) (ab259396)
Key features and details
- Expression system: HEK 293 cells
- Purity: >= 95% SDS-PAGE
- Endotoxin level:
- Active: Yes
- Suitable for: SDS-PAGE, Functional Studies, MS, Cell Culture, HPLC
Preparation and Storage
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Alternative names
- Colony stimulating factor 1
- Colony stimulating factor 1 (macrophage)
- Colony stimulating factor macrophage specific
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Function
Granulocyte/macrophage colony-stimulating factors are cytokines that act in hematopoiesis by controlling the production, differentiation, and function of 2 related white cell populations of the blood, the granulocytes and the monocytes-macrophages. CSF-1 induces cells of the monocyte/macrophage lineage. It plays a role in immunological defenses, bone metabolism, lipoproteins clearance, fertility and pregnancy. -
Post-translational
modificationsGlycosylation and proteolytic cleavage yield different soluble forms. A high molecular weight soluble form is a proteoglycan containing chondroitin sulfate.
Isoform 1 is N- and O-glycosylated. Isoform 3 is N-glycosylated. -
Cellular localization
Cell membrane and Secreted > extracellular space. - Information by UniProt
Images
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Functional Studies - Recombinant human M-CSF protein (ab259396)
Fully active compared to a standard. The ED50 as determined by the dose-dependant proliferation of MNFS-60 cells is 5.164ng/mL corresponding to a Specific Activity of 1.94 x 105 IU/mg.
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SDS-PAGE - Recombinant human M-CSF protein (ab259396)SDS-PAGE analysis of ab259396.
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HPLC - Recombinant human M-CSF protein (ab259396)Purity 100%
The spectrum was recorded using a 1260 Infinity II HPLC system with DAD and a MabPac RP column (3.0x100 mm, 4 µm). 5 µL of purified protein was injected and the gradient run from 80 % water:TFA (99.9:0.1 v/v) and 20 % acetonitrile:water:TFA (90:9.9:0.1 v/v/v) to 20 % water:TFA (99.9:0.1 v/v) and 80 % acetonitrile:water:TFA (90:9.9:0.1 v/v/v) within 3 minutes followed by an isocratic step for another 3 min. Flow rate was 0.5 mL/min and the column compartment temperature was 50 °C.
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Mass Spectrometry - Recombinant human M-CSF protein (ab259396)M + 1 Da (Calc mass 18513 Da)
The spectrum was recorded with a 6545XT AdvanceBio LC/Q-TOF (Agilent Technologies) and a MabPac RP column (42.1x50 mm, 4 µm, Thermo Scientific). 5 µL of purified protein was injected and the gradient run from 85 % water:FA (99.9:0.1 v/v) and 15 % acetonitrile:FA (90:9.9:0.1 v/v/v) to 55 % water:FA (99.9:0.1 v/v) and 45 % acetonitrile:FA (90:9.9:0.1 v/v/v) within 3 minutes followed by an isocratic step for another 2.5 min. Flow rate was 0.4 mL/min and the column compartment temperature was 60 °C. Data was analysed and deconvoluted using the Bioconfirm software (Agilent Technologies).