Related Experiment Video
Updated: Sep 11, 2025
09:29
Isolation and Adoptive Transfer of High Salt Treated Antigen-presenting Dendritic Cells
Published on: March 5, 2019
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Granulocyte-Macrophage Colony-Stimulating Factor Inhibition Ameliorates Innate Immune Cell Activation, Inflammation,
Hannah L Smith1, Bethany L Goodlett1, Gabriella C Peterson1
1Department of Medical Physiology, Texas A&M University College of Medicine, Bryan, TX 77807, USA.
Cells
|August 13, 2025
Summary
Granulocyte-macrophage colony-stimulating factor (GM-CSF) drives salt-sensitive hypertension (SSHTN) by activating immune cells. Blocking GM-CSF reduces blood pressure and kidney inflammation in SSHTN models.
Area of Science:
- Immunology
- Cardiovascular Science
- Nephrology
Background:
- Salt-sensitive hypertension (SSHTN) increases cardiovascular and renal risks.
- The role of granulocyte-macrophage colony-stimulating factor (GM-CSF) in SSHTN is unknown.
- Previous work showed GM-CSF primes immune cells for salt-induced activation.
Purpose of the Study:
- To investigate the role of GM-CSF in SSHTN.
- To determine if blocking GM-CSF impacts blood pressure and renal inflammation.
- To explore GM-CSF's effect on immune cell differentiation and function in SSHTN.
Main Methods:
- Treatment of SSHTN mice with an anti-GM-CSF antibody (preventive and established models).
- Assessment of blood pressure, renal inflammation, and immune cell populations.
- Adoptive transfer of GM-CSF-treated bone marrow-derived cells into SSHTN mice.
- Analysis of pro-inflammatory gene expression in immune cells.
Main Results:
- Preventive and established anti-GM-CSF treatment mitigated blood pressure and renal inflammation.
- Anti-GM-CSF treatment altered immune cell profiles in the kidneys.
- Adoptive transfer of anti-GM-CSF-treated cells reduced renal trafficking.
- Anti-GM-CSF treatment decreased pro-inflammatory gene expression in various immune cell types.
Conclusions:
- GM-CSF plays a significant role in the pathogenesis of SSHTN.
- Targeting GM-CSF may offer a therapeutic strategy for SSHTN.
- GM-CSF influences immune cell activation, differentiation, and trafficking in SSHTN.
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