Journal: Molecular Metabolism
Article Title: RNA binding proteins PCBP1 and PCBP2 regulate pancreatic β cell translation
doi: 10.1016/j.molmet.2025.102175
Figure Lengend Snippet: Single cell RNA sequencing of Pcbp1 and Pcbp2 co-depleted β cells reveals dysregulation of a translational mRNA program. (A) Co-immunofluorescence staining for PCBP1 and PCBP2 in adult islets from 11–12 week old male Pcbp1/2 Fl/Fl and Pcbp1/2 βKO mice (scale bar, 50 μm). Yellow arrows denote PCBP1 and PCBP2 co-depleted β cells. (B) Merged uniform manifold approximation and projection (UMAP) plot showing 3,592 control β cells (red) and 1,554 Pcbp1/2 co-depleted β cells (blue). (C) UMAP plot showing identified β cell subclusters in control and mutant β cells. (D) Dotplot showing the relative expression of Ins1 , Pcbp1 , and Pcbp2 transcript levels in each identified β cell subcluster. (E) Volcano plot of genes with significantly downregulated (blue) and upregulated (red) transcript levels in cluster 11 as compared to control β cells. (F) Reactome pathway analysis of the genes with altered mRNA levels in the setting of Pcbp1/2 co-deficiency.
Article Snippet: Immunofluorescence images were visualized and captured using a Nikon Eclipse E600 microscope equipped with a QImaging Q/Click digital camera and Metamorph software.
Techniques: RNA Sequencing, Immunofluorescence, Staining, Control, Mutagenesis, Expressing