Competition between low- and high-molecular-weight proteins for renal tubular uptake.

Abstract:

:To explain the occurrence of tubular and glomerular proteinuria in patients with primarily tubular or glomerular dysfunction, it is usually assumed that the mechanisms responsible for the renal tubular transport of small and large proteins are different. The present in vivo study does not support this hypothesis since it clearly shows that small and large proteins (e.g., beta 2-microglobulin and albumin) can compete for renal uptake. Our results lead us to postulate the existence of common tubular reabsorption sites for which proteins exhibit different affinities depending on their charge, size and conformation.

journal_name

Nephron

journal_title

Nephron

authors

Bernard A,Viau C,Ouled A,Lauwerys R

doi

10.1159/000184090

subject

Has Abstract

pub_date

1987-01-01 00:00:00

pages

115-8

issue

2

eissn

1660-8151

issn

2235-3186

journal_volume

45

pub_type

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