Dataset Information


Transcription profiling of wildtype or Hyp (X-linked hypophosphatemic) mouse kidney after feeding control or low phosphate diet to study changes in gene expression in response to low-phosphate diet.

ABSTRACT: This is a study of the change in gene expression in mouse kidney after feeding control (1.0% P) or low phosphate diet (0.03% P) for 3 or 5 days to normal or Hyp (X-linked hypophosphatemic) mice at 5 weeks of age. The mice were C57BL/6J. Normal wild-type mice, hemizygous Hyp (Hyp/Y) male mice, or heterozygous (Hyp/+) female mice were used. The gene is dominant, so that the two genders are equally affected with low renal retention of phosphate and severity of their bone disease. RNA from 3 mice were pooled for each microarray. The arrays were processed as described in the Affymetrix GeneChip Expression Analysis Technical Manual (copyright 2001, Affymetrix, Inc., Santa Clara, CA), rev. 1, Part number 701021. The data for each array were scaled to an average signal value of 500 for all genes on the array.

ORGANISM(S): Mus musculus  

SUBMITTER: Ralph A. Meyer  

PROVIDER: E-GEOD-868 | ArrayExpress | 2007-12-13



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The genomic response of the mouse kidney to low-phosphate diet is altered in X-linked hypophosphatemia.

Meyer Martha H MH   Dulde Emily E   Meyer Ralph A RA  

Physiological genomics 20040617 1

The mechanism for the renal adaptation to low-phosphate diets is not well understood. Whether the Hyp mutation of the Phex gene blocks this adaptation is also not clear. To gain further insight into this, 5-wk-old normal and Hyp mice were fed a control (1.0% P) or low-phosphate diet (0.03% P) for 3-5 days. Renal RNA was hybridized to Affymetrix U74Av2 microarrays (5 arrays/group). Of the 5,719 detectable genes on each array, 290 responded significantly (P < 0.01) to low-phosphate diet in normal  ...[more]

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