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Macrophages are differentiated from circulating blood monocytes and act as tissue-resident professional phagocytes. Macrophages function in both innate and adaptive immune systems of vertebrate animals. The cytokine macrophage colony-stimulating factor (M-CSF) is essential for the proliferation and differentiation of monocytes. Here, we described a simple method to induce the differentiation of mouse bone marrow-derived myeloid precusor cells into macrophages in the presence of M-CSF.

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Mouse Macrophage Differentiation by Induction with Macrophage Colony-Stimulating Factor
通过用巨噬细胞集落刺激因子(M-CSF)诱导小鼠巨噬细胞分化

免疫学 > 免疫细胞分离 > 维持和分化
作者: Ying Liu
Ying LiuAffiliation: Laboratory of Molecular Immunoregulation, Cancer Inflammation Program, Center of Cancer Research, National Cancer Institute-Frederick, NIH, Frederick, USA
For correspondence: ivyliu0506@hotmail.com
Bio-protocol author page: a814
Keqiang Chen
Keqiang ChenAffiliation: Laboratory of Molecular Immunoregulation, Cancer Inflammation Program, Center of Cancer Research, National Cancer Institute-Frederick, NIH, Frederick, USA
Bio-protocol author page: a815
Chunyan Wang
Chunyan WangAffiliation: Laboratory of Molecular Immunoregulation, Cancer Inflammation Program, Center of Cancer Research, National Cancer Institute-Frederick, NIH, Frederick, USA
Bio-protocol author page: a816
Wanghua Gong
Wanghua GongAffiliation: Basic Research Program, SAIC-Frederick, Frederick, USA
Bio-protocol author page: a817
Teizo Yoshimura
Teizo YoshimuraAffiliation: Laboratory of Molecular Immunoregulation, Cancer Inflammation Program, Center of Cancer Research, National Cancer Institute-Frederick, NIH, Frederick, USA
Bio-protocol author page: a818
Ji Ming Wang
Ji Ming WangAffiliation: Laboratory of Molecular Immunoregulation, Cancer Inflammation Program, Center of Cancer Research, National Cancer Institute-Frederick, NIH, Frederick, USA
For correspondence: wangji@mail.nih.gov
Bio-protocol author page: a819
 and Mingyong Liu
Mingyong LiuAffiliation 1: Laboratory of Molecular Immunoregulation, Cancer Inflammation Program, Center of Cancer Research, National Cancer Institute-Frederick, NIH, Frederick, USA
Affiliation 2: Department of Spine Surgery, Daping Hospital, Third Military Medical University, Chongqing, China
For correspondence: liu_mingyong@yahoo.com.cn
Bio-protocol author page: a820
Vol 3, Iss 17, 9/5/2013, 2765 views, 0 Q&A, How to cite
DOI: http://dx.doi.org/10.21769/BioProtoc.893

[Abstract] Macrophages are differentiated from circulating blood monocytes and act as tissue-resident professional phagocytes. Macrophages function in both innate and adaptive immune systems of vertebrate animals. The cytokine macrophage colony-stimulating factor (M-CSF) is essential for the proliferation and differentiation of monocytes. Here, we described a simple method to induce the differentiation of mouse bone marrow-derived myeloid precusor cells into macrophages in the presence of M-CSF.

Keywords: Monocytes(单核细胞), Differentiation(区别), Macrophages(巨噬细胞)

Materials and Reagents

  1. Mice of interest
  2. 1x DPBS (Lonza, catalog number: 17-512F)
  3. ACK lysing buffer (Lonza, catalog number: 10-548E)
  4. Dulbecco’s Modified Eagle’s Medium with high glucose and without L-glutamine (DMEM) (Lonza, catalog number: 12-614F)
  5. Fetal Calf Serum (FCS) (Thermo Scientific, catalog number: SH30070.03)
  6. Murine M-CSF (Peprotech, catalog number: 315-02)
  7. 100x Penicillin/Streptomycin (Invitrogen, catalog number: 10378-016)
  8. Complete DMEM medium (see Recipes)

Equipment

  1. 40 μm nylon strainer (BD Falcon, catalog number: 352340)
  2. Needle (Gauge #25)
  3. Centrifuge

Procedure

  1. Mouse bone marrow (BM) cells are harvested from femurs by syringe and needle (Gauge #25) with 5 ml 1x DPBS. (Cut two ends of femurs and rinse out the cells by 1x DPBS)
  2. Centrifuge the cell suspension at 200 x g at room temperature (RT) for 5 min.
  3. Remove the supernatant and suspend the cell pellet with 2 ml ACK lysing buffer for 1 min to deplete red blood cells.
  4. The cell suspension is directly filtered through a 40 μm nylon strainer (observe the cell lysate under the microscope to determine whether red blood cells are depleted completely. If there are still too many red blood cells, add more ACK lysing buffer until there are very few red blood cells).
  5. Wash the strainer with 2 ml 1x DPBS and centrifuge the filtered cell suspension at 200 x g at RT for 5 min.
  6. The cell pellet is washed once again with 1x DPBS and re-suspended in 15 ml complete DMEM medium with 20 ng/ml murine M-CSF in a 100 mm Petri dish (one femur cells per dish) in an incubator (37 °C, 5% CO2).
  7. After 3 days, half of the medium is replaced with fresh complete DMEM medium.
  8. On Day 4, the cells containing more than 80% CD11b+/F4/80+ macrophages are ready for further characterization and functional experiments.

Recipes

  1. Complete DMEM medium (505 ml)
    100 ml FCS
    5 ml 100x Penicillin/Streptomycin
    400 ml DMEM

Acknowledgments

This protocol has been adapted from Liu et al. (2013).

References

  1. Liu, Y., Chen, K., Wang, C., Gong, W., Yoshimura, T., Liu, M. and Wang, J. M. (2013). Cell surface receptor FPR2 promotes antitumor host defense by limiting M2 polarization of macrophages. Cancer Res 73(2): 550-560.


How to cite this protocol: Liu, Y., Chen, K., Wang, C., Gong, W., Yoshimura, T., Wang, J. M. and Liu, M. (2013). Mouse Macrophage Differentiation by Induction with Macrophage Colony-Stimulating Factor . Bio-protocol 3(17): e893. DOI: 10.21769/BioProtoc.893; Full Text



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