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. Author manuscript; available in PMC: 2023 Mar 1.
Published in final edited form as: Nat Aging. 2022 Sep 13;2:851–866. doi: 10.1038/s43587-022-00279-9

Figure 3. AHCY knockdown attenuates replicative and oncogene-induced senescence.

Figure 3

a, Left, crystal violet-stained, old (PD ~40-44) IMR90 cells infected with different pGIPZ shRNAs against AHCY, TP53 or the parental pGIPZ vector. Images are from a representative experiment out of 3. Right, quantification of immunofluorescence staining for BrdU incorporation in cells from the same experiment (n = 3). b, Left, representative images of SA-β-Galactosidase staining. Scale bar, 100 μm; right, quantification (n = 3). c, Quantification of cells expressing p16INK4a as measured by IF (n = 4). d, Left, crystal violet-stained, cultures of IMR90 ER:RAS cells infected with different pGIPZ shRNAs against AHCY, TP53 or the parental pGIPZ vector. Images are a representative experiment out of 3. Right, quantification of immunofluorescence staining for BrdU of cells from the same experiment (n = 5). e, Left, representative images of SA-β-Galactosidase staining. Scale bar, 100 μm; right, quantification (n = 3). f, Left, experimental design for transcriptional profiling of IMR90 ER:RAS cells infected with two different pGIPZ shRNAs against AHCY or the parental pGIPZ vector. Right, GSEA signatures for oncogene-induced senescence and SASP. All statistical significances were calculated using one-way ANOVA. All error bars represent mean ± s.d; n represents independent experiments.