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Generation of Bone Marrow Derived Murine Dendritic Cells for Use in 2-photon Imaging
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[MRP8, MRP14 and MRP8/14 promote phenotypic maturation of mouse bone marrow-derived dendritic cells in vitro]

Xiaoqin Yang1, Xing Li1, Yongkun Bai1

  • 1Department of Rheumatology and Immunology, The Third Affiliated Hospital of Southern Medical University, Guangzhou 510515, China.

Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi = Chinese Journal of Cellular and Molecular Immunology
|November 2, 2018
PubMed

Insights

Myeloid-related proteins (MRP8, MRP14, and MRP8/14) enhance dendritic cell maturation. These proteins increase the expression of key molecules on dendritic cells, influencing their immune function.

Area of Science:

  • Immunology
  • Cell Biology

Background:

  • Dendritic cells (DCs) are crucial antigen-presenting cells in the immune system.
  • Myeloid-related proteins (MRPs) are involved in inflammatory and immune responses.

Purpose of the Study:

  • To investigate the impact of myeloid-related protein 8 (MRP8), MRP14, and the MRP8/14 heterodimer on the phenotypic maturation of mouse bone marrow-derived dendritic cells (BMDCs).

Main Methods:

  • BMDCs were cultured and purified in vitro.
  • Cells were treated with MRP14, MRP8, or MRP8/14 (1 μg/mL) or PBS as a control.
  • Flow cytometry analyzed the expression of costimulatory molecules (CD40, CD80, CD86) and MHC II on BMDCs.

Main Results:

  • MRP14, MRP8, and MRP8/14 significantly promoted the expression of CD40, CD80, and CD86 on BMDCs.
  • MRP14 and MRP8 also enhanced MHC II expression.
  • MRP14 and MRP8/14 demonstrated a stronger effect on CD80 and CD86 expression compared to MRP8 alone.

Conclusions:

  • MRP8, MRP14, and the MRP8/14 heterodimer promote the phenotypic maturation of BMDCs by upregulating costimulatory molecule expression.
  • Differential effects of MRPs on specific costimulatory molecules suggest distinct roles in DC activation and immune modulation.

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