Permeability of intestinal mucosa from urinary reservoirs in man and rat
(2000) In BJU International 86(9). p.1058-1063- Abstract
Objective: To evaluate the barrier properties of intestinal mucosa chronically exposed to urine and to evaluate possible differences between ileal and colonic segments used in the reconstruction of the urinary tract. Materials and methods: Mucosal specimens from patients with continent reservoirs with an abdominal stoma, or orthotopic neobladders constructed from colonic segments, were obtained at revisional surgery. Control segments were obtained during right-sided hemicolectomy. In addition, ileal and colonic segments from enterocystoplasties in rats were assessed. The mucosa-to-serosa passage of marker molecules, i.e. 14C-mannitol, 3H-glucose, fluorescein isothiocyanatedextran 4400 and ovalbumin, was measured... (More)
Objective: To evaluate the barrier properties of intestinal mucosa chronically exposed to urine and to evaluate possible differences between ileal and colonic segments used in the reconstruction of the urinary tract. Materials and methods: Mucosal specimens from patients with continent reservoirs with an abdominal stoma, or orthotopic neobladders constructed from colonic segments, were obtained at revisional surgery. Control segments were obtained during right-sided hemicolectomy. In addition, ileal and colonic segments from enterocystoplasties in rats were assessed. The mucosa-to-serosa passage of marker molecules, i.e. 14C-mannitol, 3H-glucose, fluorescein isothiocyanatedextran 4400 and ovalbumin, was measured using modified Ussing diffusion chambers. Results: In man, there were no permeability differences between segments exposed to urine and control segments for any of the marker molecules. In rats, there was less passage of markers in ileal and colonic transplanted segments than in intestinal segments from sham-operated animals. Conclusions: Intestinal mucosa that has been in chronic contact with urine maintains its barrier function; in the rat model the permeability was even decreased. In addition, there were no detectable differences between ileal and colonic segments in this model.
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- author
- Nejdfors, P. LU ; Könyves, J. ; Davidsson, T. LU ; Ekelund, M. LU ; Månsson, W. LU and Weström, B. R. LU
- organization
- publishing date
- 2000
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- Colon, Ileum, Mucosa, Permeability, Urinary tract reconstruction, Ussing chamber
- in
- BJU International
- volume
- 86
- issue
- 9
- pages
- 6 pages
- publisher
- John Wiley & Sons Inc.
- external identifiers
-
- pmid:11119102
- scopus:0034534230
- ISSN
- 1464-4096
- DOI
- 10.1046/j.1464-410X.2000.00945.x
- language
- English
- LU publication?
- yes
- id
- cf9e9509-c28f-4804-9091-3e1790f10b28
- date added to LUP
- 2024-12-05 15:19:48
- date last changed
- 2025-04-04 14:43:24
@article{cf9e9509-c28f-4804-9091-3e1790f10b28,
abstract = {{<p>Objective: To evaluate the barrier properties of intestinal mucosa chronically exposed to urine and to evaluate possible differences between ileal and colonic segments used in the reconstruction of the urinary tract. Materials and methods: Mucosal specimens from patients with continent reservoirs with an abdominal stoma, or orthotopic neobladders constructed from colonic segments, were obtained at revisional surgery. Control segments were obtained during right-sided hemicolectomy. In addition, ileal and colonic segments from enterocystoplasties in rats were assessed. The mucosa-to-serosa passage of marker molecules, i.e. <sup>14</sup>C-mannitol, <sup>3</sup>H-glucose, fluorescein isothiocyanatedextran 4400 and ovalbumin, was measured using modified Ussing diffusion chambers. Results: In man, there were no permeability differences between segments exposed to urine and control segments for any of the marker molecules. In rats, there was less passage of markers in ileal and colonic transplanted segments than in intestinal segments from sham-operated animals. Conclusions: Intestinal mucosa that has been in chronic contact with urine maintains its barrier function; in the rat model the permeability was even decreased. In addition, there were no detectable differences between ileal and colonic segments in this model.</p>}},
author = {{Nejdfors, P. and Könyves, J. and Davidsson, T. and Ekelund, M. and Månsson, W. and Weström, B. R.}},
issn = {{1464-4096}},
keywords = {{Colon; Ileum; Mucosa; Permeability; Urinary tract reconstruction; Ussing chamber}},
language = {{eng}},
number = {{9}},
pages = {{1058--1063}},
publisher = {{John Wiley & Sons Inc.}},
series = {{BJU International}},
title = {{Permeability of intestinal mucosa from urinary reservoirs in man and rat}},
url = {{http://dx.doi.org/10.1046/j.1464-410X.2000.00945.x}},
doi = {{10.1046/j.1464-410X.2000.00945.x}},
volume = {{86}},
year = {{2000}},
}