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Updated: Jun 6, 2026
Isolation and Identification of Extravascular Immune Cells of the Heart
Published on: August 23, 2018
Plasmacytoid dendritic cells: from heart to vessels
Rosalinda Sorrentino1, Silvana Morello, Aldo Pinto
1Pharmaceutical Science Department, University of Salerno, 84084 Fisciano, Italy.
Insights
Plasmacytoid Dendritic Cells (pDCs) are key immune cells in cardiovascular diseases, influencing inflammation and immune suppression. Understanding pDC roles in atherosclerosis may reveal new therapeutic targets.
Area of Science:
- Immunology
- Cardiology
- Vascular Biology
Background:
- Cardiovascular diseases are increasingly understood as immune-based pathologies, moving beyond solely stromal alterations.
- Plasmacytoid Dendritic Cells (pDCs) play a crucial role as immune orchestrators within the cardiovascular system.
- pDCs exhibit dual functions: promoting pro-inflammatory Th1 responses via IFN-I and mediating suppression through T regulatory cell recruitment.
Purpose of the Study:
- To highlight the significant role of Plasmacytoid Dendritic Cells (pDCs) in cardiovascular diseases.
- To elucidate the complex immunomodulatory functions of pDCs in cardiovascular pathologies.
- To emphasize the potential of targeting pDC activity for novel therapeutic strategies in cardiovascular disease.
Main Methods:
- Review and synthesis of current literature on pDCs in cardiovascular research.
- Analysis of pDC infiltration and function in pathological conditions like atherosclerosis.
- Exploration of IFN-I production and T cell polarization by pDCs.
Main Results:
- pDCs are identified as key players in the immune landscape of cardiovascular diseases.
- pDCs contribute to both pro-inflammatory and suppressive immune networks in the heart and vessels.
- pDCs are found to populate vessel walls during conditions such as atherosclerosis.
Conclusions:
- pDC activity is central to the pathogenesis of cardiovascular diseases.
- Targeting pDCs offers promising avenues for developing new cardiovascular therapies.
- Further research into pDC function is essential for advancing cardiovascular medicine.
Abstract:
Cardiovascular diseases, formerly only attributed to the alterations of the stromal component, are now recognized as immune-based pathologies. Plasmacytoid Dendritic Cells (pDCs) are important immune orchestrators in heart and vessels. They highly produce IFN type I that promote the polarization of T cells towards a Th1 phenotype; however, pDCs can also participate to suppressive networks via the recruitment of T regulatory cells that downmodulate proinflammatory responses. pDCs populate the vessel wall layers during pathological conditions, such as atherosclerosis. It is thus clear that a better identification of pDCs activity in cardiovascular diseases can not only elucidate pathological mechanisms but also lead to new therapeutic approaches.
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