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. 2023 Oct 29;10(2):e001010. doi: 10.1136/lupus-2023-001010

Figure 2.

Figure 2

Association between p16Ink4a and renal disease in selected aged B6.Sle1.2.3 mice: 4 mice of 3 months of age (young), and 13 mice of 9–11 months of age with p16Ink4a-low (≤50th percentile, ≤Q2) versus p16Ink4a-high (>50th percentile, >Q2) kidneys. (A–C) Renal disease parameters: urine albumin/creatinine ratio (mg/g), and histopathological activity and chronicity scores on H&E-stained FFPE kidney sections (scale: 0–12). (D) Semi-quantitative evaluation of glomerular IgG deposits in frozen OCT kidney sections. (E,F) Systemic disease parameters: total IgG (μg/mL) and anti-dsDNA antibody (U/mL) in plasma. (G,H) Quantification of anti-CD8 staining (positive cells/mm2) and semi-quantitative PSR staining scores (scale: 0–6) on serial FFPE kidney sections (with p16Ink4a). Horizontal bars: medians. p values: Mann-Whitney test. anti-dsDNA, anti-double-stranded DNA; B6.Sle1.2.3, B6.NZMSle1/Sle2/Sle3; FFPE, formalin-fixed paraffin-embedded; ND, not determined; OCT, optimal cutting temperature; PSR, Picrosirius red.