Estimation of podocyte number: A comparison of methods

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Estimation of podocyte number: A comparison of methods Kathryn Elizabeth White, Rudolf William Bilous Kidney International Volume 66, Issue 2, Pages 663-667 (August 2004) DOI: 10.1111/j.1523-1755.2004.00787.x Copyright © 2004 International Society of Nephrology Terms and Conditions

Figure 1 Illustration demonstrating the sectioning of glomeruli for the estimation of podocyte number using (A) Weibel-Gomez and (B) fractionator method. Abbreviations are: N, total number of cells per glomerulus; NV, number density; MGV, mean glomerular volume; f, inverse of sampling fraction; n, number of cells per profile. Kidney International 2004 66, 663-667DOI: (10.1111/j.1523-1755.2004.00787.x) Copyright © 2004 International Society of Nephrology Terms and Conditions

Figure 2 Illustration demonstrating the sectioning of glomeruli for the estimation of podocyte number using the disector/fractionator combination. Abbreviations are: N, total number of cells per glomerulus; Q−, number of cells counted; f, inverse of sampling fraction = 10 × 6; n, number of cells per profile; t, distance between profile pairs = 2 μm. Q− is divided by 2 as the disector is counted in both directions. Kidney International 2004 66, 663-667DOI: (10.1111/j.1523-1755.2004.00787.x) Copyright © 2004 International Society of Nephrology Terms and Conditions

Figure 3 Bland-Altman plot of difference against mean for podocyte number in 16 type 1 diabetic patients at baseline measured by disector/fractionator and Weibel-Gomez (electron microscopy). Kidney International 2004 66, 663-667DOI: (10.1111/j.1523-1755.2004.00787.x) Copyright © 2004 International Society of Nephrology Terms and Conditions