Related Experiment Video
Updated: Oct 25, 2025

09:51
Development and Functional Characterization of Murine Tolerogenic Dendritic Cells
Published on: May 18, 2018
10.9K
GRAS-microparticle microarrays identify dendritic cell tolerogenic marker-inducing formulations
Matthew R Carstens1, Clive H Wasserfall2, Abhinav P Acharya3
1J. Crayton Pruitt Department of Biomedical Engineering, University of Florida, 1275 Center Drive, Biomedical Sciences Building J291, Gainesville, FL 32611, USA. bkeselowsky@bme.ufl.edu.
Lab on a Chip
|August 4, 2021
Summary
This study used microarrays to test 16 compounds for immune-suppressing effects on dendritic cells. Celastrol, ergosterol, and vitamin D3 showed promise for developing new therapies to control autoimmune diseases.
Area of Science:
- Immunology
- Biotechnology
- Drug Discovery
Background:
- Microarrays offer efficient, high-content analysis for immune cell studies.
- Investigating immune regulation is key to developing treatments for autoimmune diseases.
- Dendritic cells play a crucial role in immune responses and tolerance.
Purpose of the Study:
- To evaluate the immunomodulatory effects of GRAS compounds using a microparticle microarray platform.
- To identify compounds that can induce suppressive phenotypes in murine dendritic cells.
- To establish ranking systems for tolerogenic potential and identify lead compounds.
Main Methods:
- Utilized a microparticle microarray platform for co-localization of dendritic cells and compounds.
- Screened a library of 16 generally regarded as safe (GRAS) compounds.
- Developed two complementary tolerogenic index ranking systems to quantify cellular responses.
Main Results:
- Identified celastrol, ergosterol, and vitamin D3 as lead compounds with significant tolerogenic potential.
- Hemin and capsaicin were identified as secondary compounds for further investigation.
- The microparticle microarray platform enabled rapid, parallel quantification of cellular responses.
Conclusions:
- Celastrol, ergosterol, and vitamin D3 warrant further investigation for their potential in inducing immune tolerance.
- The microparticle microarray system is an effective tool for high-throughput screening of immunomodulatory compounds.
- This approach can accelerate the discovery of novel therapies for autoimmune conditions.

