Abcam, ab259396, Recombinant human M-CSF protein (Active)

Size: 10µg / 50µg / 100µg
Recombinant human M-CSF protein (Active) is a Human Fragment protein, in the 33 to 190 aa range, expressed in HEK 293 cells, with >95%, < 0.005 EU/µg endotoxin level, suitable for SDS-PAGE, FuncS, Mass Spec, HPLC, Cell Culture.
Key facts
Purity:>95% SDS-PAGE,
Endotoxin level:< 0.005 EU/µg,
Expression system:HEK 293 cells,
Tags:Tag free,
Applications:HPLC, SDS-PAGE, Cell Culture, FuncS, Mass SpecSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Biologically active:Yes,
Biological activity: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.,
Accession:P09603,
Animal free:Yes,
Carrier free:No,
Species:Human,
Reconstitution:Reconstitute in PBS,
Storage buffer:pH: 6 - 8Constituents: 10.26% Trehalose, 0.727% Dibasic monohydrogen potassium phosphate, 0.248% Potassium phosphate monobasic

Product details:
This protein is filter sterilised prior to aliquoting and lyophilisation. All aliquoting and lyophilisation steps are performed in a sterile environment

Properties and Storage Information:
Shipped at conditions-Ambient - Can Ship with Ice, Appropriate short-term storage conditions-Ambient, Appropriate long-term storage conditions-Ambient

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
M-CSF or macrophage colony-stimulating factor is a cytokine involved in the regulation of macrophage production. Alternative names for M-CSF include CSF-1 and colony-stimulating factor 1. The M-CSF protein has a molecular mass of approximately 18 to 22 kDa. M-CSF is mainly expressed in various tissues including the placenta kidney and bone marrow. It functions as a homodimer important for the survival proliferation and differentiation of mononuclear phagocyte lineage cells.
Biological function summary
M-CSF influences the production differentiation and function of macrophages and osteoclasts. It is not part of a large complex but interacts with its receptor the CSF1R (colony-stimulating factor 1 receptor) on the surface of target cells. This interaction promotes the survival and proliferation of the target cells playing significant roles in immune response and bone homeostasis by regulating osteoclast development.
Pathways
The interaction of M-CSF with its receptor is central to several biological pathways notably the immune system pathway and bone resorption pathway. Within these pathways the binding of M-CSF to CSF1R activates downstream signaling cascades such as the PI3K/AKT and MAPK pathways importantly affecting cell survival and differentiation. The M-CSF pathway intersects with other cytokines and factors like GM-CSF (granulocyte-macrophage colony-stimulating factor) which also regulate immune cell dynamics.
Dysregulation of M-CSF levels is implicated in conditions such as osteoporosis and certain cancers. In osteoporosis M-CSF's role in osteoclast development links to increased bone resorption leading to bone loss. In cancers M-CSF overexpression may facilitate tumor-associated macrophage infiltration therefore supporting tumor progression. The interaction with CSF1R is significant as it serves as a potential target for therapeutic strategies aimed at modulating macrophage activity in these diseases.