" /> Fanconi renotubular syndrome 1 - CISMeF





Preferred Label : Fanconi renotubular syndrome 1;

Symbol : FRTS1;

CISMeF acronym : FRTS; FRTS1; RFS;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Renal fanconi syndrome; RFS; Fanconi syndrome without cystinosis; Adult fanconi syndrome; Fanconi renotubular syndrome; Luder-sheldon syndrome; FRTS;

Description : Fanconi renotubular syndrome is a consequence of decreased solute and water reabsorption in the proximal tubule of the kidney. Patients have polydipsia and polyuria with phosphaturia, glycosuria, and aminoaciduria. They may develop hypophosphatemic rickets or osteomalacia, acidosis, and a tendency toward dehydration. Some will eventually develop renal insufficiency. Common laboratory abnormalities include glucosuria with a normal serum glucose, hyperaminoaciduria, hypophosphatemia, progressive renal insufficiency, renal sodium and potassium wasting, acidosis, uricosuria, and low-molecular-weight proteinuria (summary by Lichter-Konecki et al., 2001). - Genetic Heterogeneity of Fanconi Renotubular Syndrome Fanconi renotubular syndrome-1 has been mapped to chromosome 15q15.3. See also autosomal recessive FRTS2 (613388), caused by mutation in the SLC34A1 gene (182309) on chromosome 5q35, and autosomal dominant FRTS3 (615605), caused by mutation in the EHHADH gene (607037) on chromosome 3q27.;

Inheritance : Autosomal dominant;

Molecular basis : Caused by mutation in the L-arginine:glycine amidinotransferase gene (GATM, 602360.0006);

Laboratory abnormalities : Phosphaturia; Proteinuria; Hypophosphatemia; Hypokalemia (in some patients); Aminoaciduria; Glucosuria;

Prefixed ID : #134600;

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28/04/2025


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