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05:47
Isolation of Murine Lymph Node Stromal Cells
Published on: August 19, 2014
Kidney-derived stromal cells modulate dendritic and T cell responses
Yanfei Huang1, Peter Johnston, Borui Zhang
1Division of Nephrology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
Journal of the American Society of Nephrology : JASN
|March 20, 2009
Summary
Kidney-derived mesenchymal stromal cells modulate immune responses, offering potential therapeutic strategies for kidney diseases. These cells suppress inflammation by altering dendritic cell maturation and T cell proliferation, independent of tissue regeneration.
Area of Science:
- Immunology
- Nephrology
- Stem Cell Biology
Background:
- Bone marrow mesenchymal stromal cells (MSCs) treat acute kidney injury (AKI) via immunomodulation, not tissue repair.
- Immune cells like dendritic cells (DCs) and T cells drive kidney injury.
- The kidney may harbor endogenous MSCs with similar immunomodulatory functions.
Purpose of the Study:
- To isolate and characterize mesenchymal stromal cells from adult murine kidneys.
- To investigate the immunomodulatory capacity of kidney-derived MSCs on dendritic cells and T cells.
- To explore the therapeutic potential of kidney-derived MSCs in immune-mediated kidney diseases.
Main Methods:
- Isolation and characterization of murine kidney-derived cells for MSC markers.
- Assessment of kidney-derived MSC differentiation into mesodermal lineages.
- Co-culture experiments with bone marrow-derived DCs and CD4+ T cells to evaluate immunomodulatory effects.
- Analysis of cytokine production (e.g., IL-6, IL-10) and cell surface marker expression (e.g., MHC II, CD80).
Main Results:
- Murine kidney-derived cells exhibited MSC characteristics, including differentiation potential.
- These cells reduced DC maturation, evidenced by decreased MHC II and increased CD80 expression, and promoted IL-10 production.
- Kidney-derived MSCs inhibited T cell proliferation through soluble factors (IL-6) and contact-dependent mechanisms.
Conclusions:
- Kidney-derived cells possess MSC-like properties and potent immunomodulatory functions.
- These cells suppress inflammation by regulating DC and T cell responses.
- Understanding kidney-derived MSC biology may lead to novel therapies for immune-mediated kidney disorders.
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