Calcium-sensing receptor and calcium kidney stones

Giuseppe Vezzoli, Annalisa Terranegra, Francesco Rainone, Teresa Arcidiacono, Mario Cozzolino, Andrea Aloia, Elena Dogliotti, Daniele Cusi, Laura Soldati

Research output: Contribution to journalReview article

20 Citations (Scopus)

Abstract

Calcium nephrolithiasis may be considered as a complex disease having multiple pathogenetic mechanisms and characterized by various clinical manifestations. Both genetic and environmental factors may increase susceptibility to calcium stones; therefore, it is crucial to characterize the patient phenotype to distinguish homogeneous groups of stone formers. Family and twin studies have shown that the stone transmission pattern is not mendelian, but complex and polygenic. In these studies, heritability of calcium stones was calculated around 50%. Calcium-sensing receptor (CaSR) is mostly expressed in the parathyroid glands and in renal tubules. It regulates the PTH secretion according to the serum calcium concentration. In the kidney, it modulates electrolyte and water excretion regulating the function of different tubular segments. In particular, CaSR reduces passive and active calcium reabsorption in distal tubules, increases phosphate reabsorption in proximal tubules and stimulates proton and water excretion in collecting ducts. Therefore, it is a candidate gene for calcium nephrolithiasis.In a case-control study we found an association between the normocitraturic stone formers and two SNPs of CaSR, located near the promoters region (rs7652589 and rs1501899). This result was replicated in patients with primary hyperparathyroidism, comparing patients with or without kidney stones. Bioinformatic analysis suggested that the minor alleles at these polymorphisms were able to modify the binding sites of specific transcription factors and, consequently, CaSR expression.Our studies suggest that CaSR is one of the candidate genes explaining individual predisposition to calcium nephrolithiasis. Stone formation may be favored by an altered CaSR expression in kidney medulla involving the normal balance among calcium, phosphate, protons and water excretion.

Original languageEnglish
Article number201
JournalJournal of Translational Medicine
Volume9
Issue number1
DOIs
Publication statusPublished - 22 Nov 2011
Externally publishedYes

Fingerprint

Calcium-Sensing Receptors
Kidney Calculi
Calcium
Nephrolithiasis
Protons
Water
Genes
Kidney Medulla
Kidney
Twin Studies
Parathyroid Glands
Primary Hyperparathyroidism
Bioinformatics
Computational Biology
Polymorphism
Genetic Promoter Regions
Ducts
Electrolytes
Single Nucleotide Polymorphism
Case-Control Studies

Keywords

  • Calcium
  • Calcium-sensing receptor
  • Kidney stones

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

Vezzoli, G., Terranegra, A., Rainone, F., Arcidiacono, T., Cozzolino, M., Aloia, A., ... Soldati, L. (2011). Calcium-sensing receptor and calcium kidney stones. Journal of Translational Medicine, 9(1), [201]. https://doi.org/10.1186/1479-5876-9-201

Calcium-sensing receptor and calcium kidney stones. / Vezzoli, Giuseppe; Terranegra, Annalisa; Rainone, Francesco; Arcidiacono, Teresa; Cozzolino, Mario; Aloia, Andrea; Dogliotti, Elena; Cusi, Daniele; Soldati, Laura.

In: Journal of Translational Medicine, Vol. 9, No. 1, 201, 22.11.2011.

Research output: Contribution to journalReview article

Vezzoli, G, Terranegra, A, Rainone, F, Arcidiacono, T, Cozzolino, M, Aloia, A, Dogliotti, E, Cusi, D & Soldati, L 2011, 'Calcium-sensing receptor and calcium kidney stones', Journal of Translational Medicine, vol. 9, no. 1, 201. https://doi.org/10.1186/1479-5876-9-201
Vezzoli G, Terranegra A, Rainone F, Arcidiacono T, Cozzolino M, Aloia A et al. Calcium-sensing receptor and calcium kidney stones. Journal of Translational Medicine. 2011 Nov 22;9(1). 201. https://doi.org/10.1186/1479-5876-9-201
Vezzoli, Giuseppe ; Terranegra, Annalisa ; Rainone, Francesco ; Arcidiacono, Teresa ; Cozzolino, Mario ; Aloia, Andrea ; Dogliotti, Elena ; Cusi, Daniele ; Soldati, Laura. / Calcium-sensing receptor and calcium kidney stones. In: Journal of Translational Medicine. 2011 ; Vol. 9, No. 1.
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