Journal: Frontiers in Molecular Biosciences
Article Title: APOE3-Christchurch variant enhances neurovascular support functions of iPSC-derived mesenchymal stromal cells
doi: 10.3389/fmolb.2026.1778856
Figure Lengend Snippet: Generation and validation of iPSC-derived MSCs with APOE3 or APOE3Ch . (A) Fluorescence-Activated Cell Sorting (FACS) analysis confirming MSC identity showing positive markers CD73, CD90 and CD105 expressed in >95% of the cell population. (B) Quantification of APOE mRNA level by RT-qPCR, normalized to housekeeping gene GAPDH and expressed as fold change from the APOE3 iMSC group. Data shown as mean ± SEM (n = 3 independent differentiation batches per line). p > 0.05 by two-tailed unpaired Student’s t-test. (C) Densitometric of Western blot quantifying APOE levels in iMSC cell lysate and conditioned medium, expressed as fold change from the APOE3 iMSC group. Data shown as mean ± SEM (n = 3 independent differentiation batches per line). **p < 0.01 by two-tailed unpaired Student’s t-test. (D) Quantitative analysis of LPS-induced NF-kB reporter activity measured by luminescence in activated THP1 cells cultured alone (Con) or indirectly co-cultured with either APOE3 (+E3) or APOE3Ch (+E3Ch) iMSCs. Data was normalized to the +E3 condition and represented as mean ± SEM (n = 3 independent experiments, technical replicates from each experiment are represented by a distinct symbol, for display only). **p < 0.01, *p < 0.05 by mixed-effects model on n = 3 independent experiments with the Geisser-Greenhouse correction to account for matched values, and Tukey’s post hoc multiple comparisons test.
Article Snippet: THP1 NF-κB-Luc2 cells (THP1, ATCC, UK, Cat No. TIB-202-NFkB-LUC2) were thawed in complete THP1 media consisting of RPMI-1640 medium (Gibco) supplemented with 10% FBS (Thermo Scientific), 1 μg/mL puromycin (Fisher Scientific) and 0.05 mM 2-mercaptoethanol (Sigma-Aldrich) and cultured in suspension for 2 days.
Techniques: Biomarker Discovery, Derivative Assay, Fluorescence, FACS, Quantitative RT-PCR, Two Tailed Test, Western Blot, Activity Assay, Cell Culture