Bladder outlet obstruction in male cystinuria mice

Mathew Ercolani, Amrik Sahota, Catherine Schuler, Min Yang, Andrew Evan, David Reimer, Joseph G. Barone, Jay A. Tischfield, Robert M. Levin

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Background: Cystinuria is the most common inherited cause of urinary tract stones in children. It can lead to obstructive uropathy, which is a major cause of renal failure. Genetic studies have identified two genes, SLC3A1 and SLC7A9, to be directly involved in cystine stone formation. Slc3a1 knockout male mice develop cystine stones in the bladder and, to a lesser extent, in the kidney. Slc3a1 knockout female mice also develop cystinuria, but they do not form stones. The specific aim of this study was to characterize bladder function in cystinuria mice. Methods: Eight control (4 male, 4 female) and 16 Slc3a1 knockout (9 male, 7 female) mice of mixed strain background (C57B/129, age 4-5 months) were evaluated. Each mouse was anesthetized and the bladder dome catheterized for cystometry. Immediately following cystometry, the bladder was excised, weighed, and separated into three full thickness strips for contractile studies. Results: Bladders from cystinuria male mice had significantly increased weight, all of them had stones, decreased compliance, and decreased contractile responses to field stimulation, ATP, carbachol, and KCl. Compared with controls, female knockout mice showed normal bladder weight, decreased voiding pressure, slightly decreased compliance, and slightly decreased contractile responses. Conclusions: These studies clearly demonstrate that the bladder stones that developed in the male cystinuria mice resulted in a partial outlet obstruction. Although the female cystinuria mice did not have bladder stones, bladder function was mildly impaired; presumably by the presence of cystine crystals.

Original languageEnglish
Pages (from-to)57-63
Number of pages7
JournalInternational Urology and Nephrology
Volume42
Issue number1
DOIs
StatePublished - Mar 2010

Fingerprint

Cystinuria
Urinary Bladder Neck Obstruction
Urinary Bladder
Urinary Bladder Calculi
Cystine
Knockout Mice
Compliance
Weights and Measures
Urinary Calculi
Carbachol
Renal Insufficiency
Adenosine Triphosphate
Kidney
Pressure
Genes

Keywords

  • Bladder
  • Cystinuria
  • Mouse
  • Obstruction
  • Stones

ASJC Scopus subject areas

  • Nephrology
  • Urology

Cite this

Ercolani, M., Sahota, A., Schuler, C., Yang, M., Evan, A., Reimer, D., ... Levin, R. M. (2010). Bladder outlet obstruction in male cystinuria mice. International Urology and Nephrology, 42(1), 57-63. https://doi.org/10.1007/s11255-009-9597-y

Bladder outlet obstruction in male cystinuria mice. / Ercolani, Mathew; Sahota, Amrik; Schuler, Catherine; Yang, Min; Evan, Andrew; Reimer, David; Barone, Joseph G.; Tischfield, Jay A.; Levin, Robert M.

In: International Urology and Nephrology, Vol. 42, No. 1, 03.2010, p. 57-63.

Research output: Contribution to journalArticle

Ercolani, M, Sahota, A, Schuler, C, Yang, M, Evan, A, Reimer, D, Barone, JG, Tischfield, JA & Levin, RM 2010, 'Bladder outlet obstruction in male cystinuria mice', International Urology and Nephrology, vol. 42, no. 1, pp. 57-63. https://doi.org/10.1007/s11255-009-9597-y
Ercolani, Mathew ; Sahota, Amrik ; Schuler, Catherine ; Yang, Min ; Evan, Andrew ; Reimer, David ; Barone, Joseph G. ; Tischfield, Jay A. ; Levin, Robert M. / Bladder outlet obstruction in male cystinuria mice. In: International Urology and Nephrology. 2010 ; Vol. 42, No. 1. pp. 57-63.
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