On the active vascular absorption of plasma proteins from tissue: rethinking the role of the lymphatic system.
Identifieur interne : 009399 ( Main/Exploration ); précédent : 009398; suivant : 009400On the active vascular absorption of plasma proteins from tissue: rethinking the role of the lymphatic system.
Auteurs : Dan Greitz [Suède]Source :
- Medical hypotheses [ 0306-9877 ] ; 2002.
Descripteurs français
- KwdFr :
- Absorption, Endothélium vasculaire (physiologie), Humains, Lymphoedème (physiopathologie), Lymphoedème (sang), Modèles cardiovasculaires, Muscles lisses vasculaires (physiologie), Protéines du sang (métabolisme), Système lymphatique (physiologie), Transport biologique, Vaisseaux capillaires (physiologie).
- MESH :
- métabolisme : Protéines du sang.
- physiologie : Endothélium vasculaire, Muscles lisses vasculaires, Système lymphatique, Vaisseaux capillaires.
- physiopathologie : Lymphoedème.
- sang : Lymphoedème.
- Absorption, Humains, Modèles cardiovasculaires, Transport biologique.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Blood Proteins.
- blood : Lymphedema.
- physiology : Capillaries, Endothelium, Vascular, Lymphatic System, Muscle, Smooth, Vascular.
- physiopathology : Lymphedema.
- Absorption, Biological Transport, Humans, Models, Cardiovascular.
Abstract
According to Starling's hypothesis, the osmotic pressure of plasma proteins in the capillary is the principal force for fluid absorption. The leakage of plasma proteins from capillaries to tissue during 24 h accounts for the total amount of plasma proteins in the vascular system. The same amount must therefore be reabsorbed by the lymphatic system, which is considered to be the sole absorber of proteins from tissue. However, it is a well-established routine in all kinds of organ transplantation to not restore the lymphatic system of the transplant. Experience has shown that this reconstruction is unnecessary, which consequently implies that the lymphatics are not of crucial importance for the survival of the organ. Inevitably, we must therefore question the vital role that the lymphatic system has been attributed in maintaining homeostasis as the sole absorber of proteins. Instead, it is proposed that the major part of plasma proteins in tissue is actively absorbed by the capillaries.
PubMed: 12445511
Affiliations:
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Le document en format XML
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Dan" uniqKey="Greitz D" first="Dan" last="Greitz">Dan Greitz</name><affiliation wicri:level="3"><nlm:affiliation>Department of Neuroradiology, MR-Research Center, Karolinska Hospital, Stockholm, Sweden. dan.greitz@ks.se</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Neuroradiology, MR-Research Center, Karolinska Hospital, Stockholm</wicri:regionArea><placeName><settlement type="city">Stockholm</settlement><region nuts="2">Svealand</region></placeName></affiliation></author></analytic><series><title level="j">Medical hypotheses</title><idno type="ISSN">0306-9877</idno><imprint><date when="2002" type="published">2002</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Absorption</term><term>Biological Transport</term><term>Blood Proteins (metabolism)</term><term>Capillaries (physiology)</term><term>Endothelium, Vascular 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xml:lang="fr"><term>Protéines du sang</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Endothélium vasculaire</term><term>Muscles lisses vasculaires</term><term>Système lymphatique</term><term>Vaisseaux capillaires</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Capillaries</term><term>Endothelium, Vascular</term><term>Lymphatic System</term><term>Muscle, Smooth, Vascular</term></keywords><keywords scheme="MESH" qualifier="physiopathologie" xml:lang="fr"><term>Lymphoedème</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Lymphedema</term></keywords><keywords scheme="MESH" qualifier="sang" xml:lang="fr"><term>Lymphoedème</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Absorption</term><term>Biological Transport</term><term>Humans</term><term>Models, Cardiovascular</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Absorption</term><term>Humains</term><term>Modèles cardiovasculaires</term><term>Transport biologique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">According to Starling's hypothesis, the osmotic pressure of plasma proteins in the capillary is the principal force for fluid absorption. The leakage of plasma proteins from capillaries to tissue during 24 h accounts for the total amount of plasma proteins in the vascular system. The same amount must therefore be reabsorbed by the lymphatic system, which is considered to be the sole absorber of proteins from tissue. However, it is a well-established routine in all kinds of organ transplantation to not restore the lymphatic system of the transplant. Experience has shown that this reconstruction is unnecessary, which consequently implies that the lymphatics are not of crucial importance for the survival of the organ. Inevitably, we must therefore question the vital role that the lymphatic system has been attributed in maintaining homeostasis as the sole absorber of proteins. Instead, it is proposed that the major part of plasma proteins in tissue is actively absorbed by the capillaries.</div></front></TEI><affiliations><list><country><li>Suède</li></country><region><li>Svealand</li></region><settlement><li>Stockholm</li></settlement></list><tree><country name="Suède"><region name="Svealand"><name sortKey="Greitz, Dan" sort="Greitz, Dan" uniqKey="Greitz D" first="Dan" last="Greitz">Dan Greitz</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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