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Treatment of experimental renal osteodystrophy with pamidronate

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1 Treatment of experimental renal osteodystrophy with pamidronate
Jarkko Jokihaara, Ilkka H. Pörsti, Peeter Kööbi, Pasi M. Jolma, Jukka T. Mustonen, Heikki H.T. Saha, Harri Sievänen, Pekka Kannus, Urszula T. Iwaniec, Russell T. Turner, Teppo L.N. Järvinen  Kidney International  Volume 74, Issue 3, Pages (August 2008) DOI: /ki Copyright © 2008 International Society of Nephrology Terms and Conditions

2 Figure 1 Flowchart of the study. Control, age-matched normal group; Uni-Nx, subjected to unilateral nephrectomy; APD, pamidronate treatment; CRI, chronic renal insufficiency group subjected to 5/6 nephrectomy. Kidney International  , DOI: ( /ki ) Copyright © 2008 International Society of Nephrology Terms and Conditions

3 Figure 2 Effects of CRI and APD treatment on bone histomorphometry at the distal femoral metaphysis. (a) CRI rat showing high-bone turnover parathyroid bone disease. (b) APD-treated CRI rat showing low-bone turnover and increased osteoid volume. Arrows indicate increased osteoid with osteoblasts. Arrowheads indicate thickened osteoid with no osteoblast-lined surface (osteomalacia). Kidney International  , DOI: ( /ki ) Copyright © 2008 International Society of Nephrology Terms and Conditions

4 Figure 3 The femoral midshaft by pQCT and biomechanical testing. The effect of CRI and APD treatment, alone and in combination, on cBMD (a), total bone CSA (b), cortical bone area (c), average cortical thickness (d), BMC (e), and breaking load (f). Data denotations are mean (line) and s.e.m. (whiskers); a CRI main effect, b APD treatment effect. Kidney International  , DOI: ( /ki ) Copyright © 2008 International Society of Nephrology Terms and Conditions

5 Figure 4 The distal femur by pQCT. Effect of CRI and APD treatment, alone and in combination, on (a) total BMC and (b) total bone CSA. Data denotations are mean (line) and s.e.m. (whiskers); b APD treatment effect. Kidney International  , DOI: ( /ki ) Copyright © 2008 International Society of Nephrology Terms and Conditions

6 Figure 5 The whole femur by DXA. Determination of the effect of CRI and APD treatment, alone and in combination, on BMC using DXA. Data denotations are mean (line) and s.e.m. (whiskers). Kidney International  , DOI: ( /ki ) Copyright © 2008 International Society of Nephrology Terms and Conditions

7 Figure 6 The effect of APD treatment on marrow cavity (medullary canal) dimensions in femoral midshaft (anteroposterior and mediolateral directions). The cortical area in untreated animals is depicted by gray and the effect of APD treatment is depicted by black. Kidney International  , DOI: ( /ki ) Copyright © 2008 International Society of Nephrology Terms and Conditions

8 Figure 7 A set of pQCT images of distal femur of each CRI and Uni-Nx rat showing the impact of APD treatment on bone (the amount of white coloring reflects higher volumetric bone mineral density). Kidney International  , DOI: ( /ki ) Copyright © 2008 International Society of Nephrology Terms and Conditions


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