Expression of aquaporin-1 in a long-term peritoneal dialysis patient with impaired transcellular water transport

aquaporin-1 (AQP1) has been claimed to be the molecular counterpart of the transcellular pathway for free-water movement across the peritoneum during peritoneal dialysis. We report the case of a 67-year-old man, on peritoneal dialysis for 11 years, in whom ultrafiltration failure due to an abolition...

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Veröffentlicht in:American journal of kidney diseases 1999-02, Vol.33 (2), p.383-388
Hauptverfasser: Goffin, Eric, Combet, Sophie, Jamar, François, Cosyns, Jean-Pierre, Devuyst, Olivier
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container_end_page 388
container_issue 2
container_start_page 383
container_title American journal of kidney diseases
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creator Goffin, Eric
Combet, Sophie
Jamar, François
Cosyns, Jean-Pierre
Devuyst, Olivier
description aquaporin-1 (AQP1) has been claimed to be the molecular counterpart of the transcellular pathway for free-water movement across the peritoneum during peritoneal dialysis. We report the case of a 67-year-old man, on peritoneal dialysis for 11 years, in whom ultrafiltration failure due to an abolition of the transcellular water transfer (documented by a loss of sodium sieving) was associated with an apparently normal expression of AQP1. We suggest that an alteration of AQP1 structure, rather than of its expression, accounts for this observation.
doi_str_mv 10.1016/S0272-6386(99)70317-3
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subjects Aged
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Aquaporin 1
Aquaporins - metabolism
Biological and medical sciences
Biological Transport, Active
Blood Group Antigens
Blotting, Western
Emergency and intensive care: renal failure. Dialysis management
Gene Expression Regulation
Humans
Immunohistochemistry
Intensive care medicine
Kidney Failure, Chronic - metabolism
Kidney Failure, Chronic - pathology
Kidney Failure, Chronic - therapy
Male
Medical sciences
Microscopy
Peritoneal Dialysis
Peritoneum - metabolism
Peritoneum - pathology
Permeability
sodium sieving
Treatment Failure
Ultrafiltration
ultrafiltration failure
Water - metabolism
title Expression of aquaporin-1 in a long-term peritoneal dialysis patient with impaired transcellular water transport
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