Browsing by Author "Ibaceta, M"

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    Effect of ammonium chloride and dietary phosphorus in the azotaemic rat.: I.: Renal function and biochemical changes
    (2004) Jara, A; Chacón, C; Ibaceta, M; Valdivieso, A; Felsenfeld, AJ
    Background. Both dietary phosphorus restriction and the ingestion of ammonium chloride (NH4Cl) given to rats on a high-phosphorus diet have been shown to preserve renal function in the azotaemic rat. Parathyroidectomy also has been reported to preserve renal function and, in addition, to prevent kidney hypertrophy in the remnant kidney model. Our goals were (i) to evaluate in azotaemic rats the effect of dietary phosphorus on renal function in a shorter time frame than previously studied and (ii) to determine whether NH4Cl administration (a) enhances the renoprotective effect of dietary phosphorus restriction and (b) improves renal function in the absence of parathyroid hormone (PTH).
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    Effect of ammonium chloride and dietary phosphorus in the azotaemic rat.: Part II -: kidney hypertrophy and calcium deposition
    (2004) Jara, A; Chacón, C; Ibaceta, M; Valdivieso, A; Felsenfeld, AJ
    Background. Kidney hypertrophy is stimulated by both partial nephrectomy and NH4Cl administration. Also, parathyroidectomy (PTX) has been reported to prevent kidney hypertrophy induced by a high protein diet. Our goal was to determine in the azotaemic rat: (i) the combined effects of NH4Cl administration and dietary phosphorus on the development of kidney hypertrophy and calcium deposition in the kidney and (11) whether the absence of parathyroid hormone (PTH) affected the development of kidney hypertrophy and calcium deposition.