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The effect of coumarin on protein and PVP clearance from rat legs with various high protein oedemas.

Identifieur interne : 007311 ( PubMed/Curation ); précédent : 007310; suivant : 007312

The effect of coumarin on protein and PVP clearance from rat legs with various high protein oedemas.

Auteurs : N B Piller ; J R Casley-Smith

Source :

RBID : pubmed:1212425

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English descriptors

Abstract

Coumarin (a benzo-pyrone) has been shown to bring about the rapid removal of protein from normal or burnt tissues and from those with lymphoedema, with or without burning. This was particularly evident when the removal of protein was compared with that of a non-metabolizable control-PVP. The mode of action would seem to be by stimulation of proteolysis. The fragments of protein could then rapidly leave the tissues because of their small size, their high diffusion coefficients and a concentration gradient which was directed from the tissues to the blood. In this way excessive amounts of protein would be removed, thus releasing the oedema fluid. The removal of non-metabolizable PVP was reduced with normal and burnt legs, possibly of stimulated phagocytosis. In the presence of lymphoedema there was a more rapid removal of PVP with coumarin; this was possibly a consequence of the great reduction of intercapillary distances resulting from the removal of oedema fluid.

PubMed: 1212425

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pubmed:1212425

Le document en format XML

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<term>Animals</term>
<term>Burns (drug therapy)</term>
<term>Coumarins (pharmacology)</term>
<term>Coumarins (therapeutic use)</term>
<term>Edema (drug therapy)</term>
<term>Hindlimb</term>
<term>Lymphedema (drug therapy)</term>
<term>Organ Size</term>
<term>Povidone</term>
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<term>Animaux</term>
<term>Brûlures (traitement médicamenteux)</term>
<term>Coumarines (pharmacologie)</term>
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<term>Lymphoedème (traitement médicamenteux)</term>
<term>Membre pelvien</term>
<term>Oedème (traitement médicamenteux)</term>
<term>Povidone</term>
<term>Protéines (métabolisme)</term>
<term>Rats</term>
<term>Taille d'organe</term>
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<term>Proteins</term>
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<term>Coumarins</term>
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<term>Burns</term>
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<term>Coumarins</term>
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<term>Brûlures</term>
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<term>Oedème</term>
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<term>Coumarines</term>
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<term>Animals</term>
<term>Hindlimb</term>
<term>Organ Size</term>
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<term>Rats</term>
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<div type="abstract" xml:lang="en">Coumarin (a benzo-pyrone) has been shown to bring about the rapid removal of protein from normal or burnt tissues and from those with lymphoedema, with or without burning. This was particularly evident when the removal of protein was compared with that of a non-metabolizable control-PVP. The mode of action would seem to be by stimulation of proteolysis. The fragments of protein could then rapidly leave the tissues because of their small size, their high diffusion coefficients and a concentration gradient which was directed from the tissues to the blood. In this way excessive amounts of protein would be removed, thus releasing the oedema fluid. The removal of non-metabolizable PVP was reduced with normal and burnt legs, possibly of stimulated phagocytosis. In the presence of lymphoedema there was a more rapid removal of PVP with coumarin; this was possibly a consequence of the great reduction of intercapillary distances resulting from the removal of oedema fluid.</div>
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<Title>British journal of experimental pathology</Title>
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<ArticleTitle>The effect of coumarin on protein and PVP clearance from rat legs with various high protein oedemas.</ArticleTitle>
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<AbstractText>Coumarin (a benzo-pyrone) has been shown to bring about the rapid removal of protein from normal or burnt tissues and from those with lymphoedema, with or without burning. This was particularly evident when the removal of protein was compared with that of a non-metabolizable control-PVP. The mode of action would seem to be by stimulation of proteolysis. The fragments of protein could then rapidly leave the tissues because of their small size, their high diffusion coefficients and a concentration gradient which was directed from the tissues to the blood. In this way excessive amounts of protein would be removed, thus releasing the oedema fluid. The removal of non-metabolizable PVP was reduced with normal and burnt legs, possibly of stimulated phagocytosis. In the presence of lymphoedema there was a more rapid removal of PVP with coumarin; this was possibly a consequence of the great reduction of intercapillary distances resulting from the removal of oedema fluid.</AbstractText>
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<CommentsCorrectionsList>
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<RefSource>Angiologica. 1972;9(2):92-8</RefSource>
<PMID Version="1">4564850</PMID>
</CommentsCorrections>
<CommentsCorrections RefType="Cites">
<RefSource>J Reticuloendothel Soc. 1973 Mar;13(3):210-20</RefSource>
<PMID Version="1">4736160</PMID>
</CommentsCorrections>
<CommentsCorrections RefType="Cites">
<RefSource>Am J Pathol. 1962 Sep;41:365-71</RefSource>
<PMID Version="1">14449255</PMID>
</CommentsCorrections>
<CommentsCorrections RefType="Cites">
<RefSource>Biochem Pharmacol. 1967 Jun;16(6):1099-111</RefSource>
<PMID Version="1">6040391</PMID>
</CommentsCorrections>
<CommentsCorrections RefType="Cites">
<RefSource>J Exp Med. 1967 Nov 1;126(5):941-58</RefSource>
<PMID Version="1">6062005</PMID>
</CommentsCorrections>
<CommentsCorrections RefType="Cites">
<RefSource>Arzneimittelforschung. 1971 Oct;21(10):1468-82</RefSource>
<PMID Version="1">4945248</PMID>
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