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Additional file 4 of Palmitate enhances MSC immunomodulation of human macrophages via the ceramide/CCL2 axis in vitro
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Additional file 4 of Palmitate enhances MSC immunomodulation of human macrophages via the ceramide/CCL2 axis in vitro

Courteney Tunstead, Laura M. Bitterlich, James A. Ankrum, Andrew E. Hogan and Karen English
figshare
01/01/2025
DOI: 10.6084/m9.figshare.29849050
url
https://doi.org/10.6084/m9.figshare.29849050View
Open Access

Abstract

Supplementary Material 4: Supplementary Figure 4: MSCs promote an M2 switch in MDMs, and this is not further enhanced by palmitate pre-exposed MSC. MSCs from 3 donors were seeded at 2.5x103 cells/well in a 24 well plate and treated with 0.4 mM palmitate for 24 hr. MSCs were then washed thoroughly twice with warm PBS and 5x103 MDMs were added in abRPMI for an MSC to MDM ratio of 1:20. The co-culture was stimulated with 100 ng/mL LPS for 24 hr and cells were harvested using a lidocaine detachment buffer. Cells were incubated with fluorochrome labelled antibodies and surface phenotype was analysed using the Attune Nxt flow cytometer. Gating was performed on live (live/dead stain, near-IR fluorescent reactive dye, Invitrogen), CD14+ (PE) cells using antibodies for CD206 (Pacific Blue), HLA-DR (FITC), CD11b (PE-Cy7), CD86 (APC), and CD163 (PerCP). Data were analysed using floreada.io. Statistical test: Ordinary one-way ANOVA with Tukey’s multiple comparisons test *p<0.05, ns; not significant. n = 3 human MDM donors.

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