Comparison of the pathology of interstitial plaque in human ICSF stone patients to NHERF-1 and THP-null mice

Andrew P. Evan, Edward J. Weinman, Xue Ru Wu, James E. Lingeman, Elaine M. Worcester, Fredric L. Coe

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Extensive evidence now supports the role of papillary interstitial deposits - Randall's plaques - in the formation of stones in the idiopathic, calcium oxalate stone former. These plaques begin as deposits of apatite in the basement membranes of the thin limbs of Henle's loop, but can grow to become extensive deposits beneath the epithe lium covering the papillary surface. Erosion of this covering epithelium allows deposition of calcium oxalate onto this plaque material, and the transition of mineral type and organic material from plaque to stone has been investigated. The fraction of the papilla surface that is covered with Randall's plaque correlates with stone number in these patients, as well as with urine calcium excretion, and plaque coverage also correlates inversely with urine volume and pH. Two animal models - the NHERF-1 and THP-null mice - have been shown to develop sites of interstitial apatite plaque in the renal papilla. In these animal models, the sites of interstitial plaque in the inner medulla are similar to that found in human idio- pathic calcium oxalate stone formers, except that the deposits in the mouse models are not localized solely to the basement membrane of the thin limbs of Henle's loop, as in humans. This may be due to the different morphology of the human versus mouse papillary region. Both mouse models appear to be important to characterize further in order to determine how well they mimic human kidney stone disease.

Original languageEnglish (US)
Pages (from-to)439-452
Number of pages14
JournalUrological Research
Volume38
Issue number6
DOIs
StatePublished - Dec 1 2010

Fingerprint

Calcium Oxalate
Pathology
Loop of Henle
Apatites
Basement Membrane
Extremities
Animal Models
Urine
Kidney Calculi
Kidney Diseases
Minerals
Epithelium
Calcium
Kidney
sodium-hydrogen exchanger regulatory factor

Keywords

  • Endoscopy
  • Histopathology
  • Randall's plaque
  • Transmission electron microscopy

ASJC Scopus subject areas

  • Urology

Cite this

Comparison of the pathology of interstitial plaque in human ICSF stone patients to NHERF-1 and THP-null mice. / Evan, Andrew P.; Weinman, Edward J.; Wu, Xue Ru; Lingeman, James E.; Worcester, Elaine M.; Coe, Fredric L.

In: Urological Research, Vol. 38, No. 6, 01.12.2010, p. 439-452.

Research output: Contribution to journalArticle

Evan, Andrew P. ; Weinman, Edward J. ; Wu, Xue Ru ; Lingeman, James E. ; Worcester, Elaine M. ; Coe, Fredric L. / Comparison of the pathology of interstitial plaque in human ICSF stone patients to NHERF-1 and THP-null mice. In: Urological Research. 2010 ; Vol. 38, No. 6. pp. 439-452.
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