dpp4 inhibitor sitagliptin (MedChemExpress)
Structured Review

Dpp4 Inhibitor Sitagliptin, supplied by MedChemExpress, used in various techniques. Bioz Stars score: 94/100, based on 29 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/dpp4+inhibitor+sitagliptin/Sitagliptin/pmc13476760-321-2-5
Average 94 stars, based on 29 article reviews
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1) Product Images from "Characterizing the SASP ‐Dependent Paracrine Spreading of Senescence Between Human Brain Cell Types"
Article Title: Characterizing the SASP ‐Dependent Paracrine Spreading of Senescence Between Human Brain Cell Types
Journal: Aging Cell
doi: 10.1111/acel.70673
Figure Legend Snippet: Analysis of ligands and receptors in senescent and receiving cells. (A) Schematic depicting BulkSignalR pipeline which uses known ligand‐receptor interactions and affected downstream pathways to analyze their activation based on our bulk RNAseq data from DMSO and BrdU treated human cell lines (created with BioRender). (B) Venn diagram showing the number of receptors inferred from BulkSignalR to be activated across each of the five human cell types. Three receptors were identified in common between astrocytes (purple), endothelial cells (pink), and microglia (yellow) which were the cell types shown (Figure ) to be capable of receiving senescence signals and becoming SA β‐gal positive: CXCR7, KREMEN2, and GIPR. Only CXCR7 was expressed in the cell types capable of entering secondary senescence (astrocytes, endothelial cells, microglia) (Figure , Figure ). (C) TPM expression values of CXCR7 , its ligand CXCL12 , and DPP4 which cleaves and inactivates CXCL12 in DMSO (gray) and BrdU (red) treated cell lines ( n = 3 replicates). (D) Schematic of the four selected SASP inhibitors mechanisms of action: Bindarit is a CCL2 synthesis inhibitor which prevents p65 activation of the CCL2 gene at the promoter region, ISO‐1 is a MIF antagonist, ACT‐1004‐1239 is a CXCR7 antagonist, and Sitagliptin inhibits DPP4 preventing its action of cleaving and inactivating CXCL12 (created with BioRender). Data were analyzed by two‐way ANOVA with Tukey's multiple comparisons test (C). All graphs show mean with error bars depicting standard deviation (ns, p > 0.05, ** p < 0.01, *** p < 0.001).
Techniques Used: Activation Assay, RNA sequencing, Expressing, Standard Deviation
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