Carotid Atherosclerosis Clinical Trial
Official title:
The Effect of Low-dose Interleukin-2 on the Immune Landscape of Human Atherosclerotic Plaques at Single Cell Resolution.
The goal of this clinical trail is to compare the differences in carotid plaque Treg cells' gene signature for activation, proliferation, and suppressive function using scRNA-seq in patients treated with IL-2 compared to control.
Up till now our Lab has looked at Tregs and immune cells in the blood. The question remains whether low dose IL-2 can have the desired effect on Tregs in atherosclerotic plaques where they could alter the pathophysiology and potentially clinical outcomes for patients. Up until recently, the cellular composition and cell-specific expression patterns of human atherosclerotic plaques remained elusive. However, recent breakthroughs studies using scRNA-seq, CITE-seq, and single-cell ATAC-seq on human carotid plaques have offered important insight into plaque composition, cell heterogeneity, and cell-cell interactions giving new perspectives on mechanisms of disease. The next logical stage is to use this new insight and powerful biological tool to assist in drug development for patients. Therefore, the aims of the study are: 1. To assess if low dose IL-2, given systemically to patients at our proposed dose, can alter Tregs in atherosclerotic plaques (the disease tissue) to exhibit a proliferating, activated, and immunosuppressive phenotype 2. To assess if modulating plaque Tregs can cause a shift in the plaque immune landscape to a less inflammatory phenotype 3. To study the relationship between plaque and circulating immune cells after systemic immune modulation ;
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