Serveur d'exploration sur le lymphœdème

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Effect of vascular endothelial growth factor C (VEGF-C) gene transfer in rat model of secondary lymphedema.

Identifieur interne : 012D80 ( Main/Exploration ); précédent : 012D79; suivant : 012D81

Effect of vascular endothelial growth factor C (VEGF-C) gene transfer in rat model of secondary lymphedema.

Auteurs : Yanli Liu [République populaire de Chine] ; Yunhai Fang ; Ping Dong ; Jie Gao ; Rong Liu ; Hhahbaz M ; Yushun Bi ; Zhaoxi Ding ; Hua Tian ; Zhiyu Liu

Source :

RBID : pubmed:18455964

Descripteurs français

English descriptors

Abstract

Secondary lymphedema has been clinically well described, but a cure is still lacking. Although there have been previous investigations using plasmid DNA for gene therapy, few have focused on the use for the treatment of lymphedema. Therefore, we investigated the effects of VEGF-C gene transfer for the treatment of lymphedema using our plasmid pcDNA3.1-VEGF-C. We produced a surgical model of secondary lymphedema in the rat hindlimb and treated with local intradermal VEGF-C transfection to investigate the efficacy of gene transfer. Magnetic resonance imaging (MRI) (P<0.05), B ultrasound (P<0.05), and water displacement volumetry (P<0.05) demonstrated a reduction of lymphedema in therapy group as compared to controls. Histological and immunofluorescent studies demonstrated numerous newly formed lymphatic vessels in therapy group. Our results indicate that VEGF-C gene therapy has produced new lymphatic vessels which may have improved functional lymphatic drainage to reduce lymphedema volume in our model.

DOI: 10.1016/j.vph.2008.01.010
PubMed: 18455964


Affiliations:


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Le document en format XML

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<term>Gene Transfer Techniques</term>
<term>Genetic Therapy</term>
<term>Hindlimb (blood supply)</term>
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<term>Regional Blood Flow (physiology)</term>
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<term>Imagerie par résonance magnétique</term>
<term>Immunohistochimie</term>
<term>Lymphangiogenèse (génétique)</term>
<term>Lymphangiogenèse (physiologie)</term>
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<term>Lymphoedème (génétique)</term>
<term>Lymphoedème (imagerie diagnostique)</term>
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<div type="abstract" xml:lang="en">Secondary lymphedema has been clinically well described, but a cure is still lacking. Although there have been previous investigations using plasmid DNA for gene therapy, few have focused on the use for the treatment of lymphedema. Therefore, we investigated the effects of VEGF-C gene transfer for the treatment of lymphedema using our plasmid pcDNA3.1-VEGF-C. We produced a surgical model of secondary lymphedema in the rat hindlimb and treated with local intradermal VEGF-C transfection to investigate the efficacy of gene transfer. Magnetic resonance imaging (MRI) (P<0.05), B ultrasound (P<0.05), and water displacement volumetry (P<0.05) demonstrated a reduction of lymphedema in therapy group as compared to controls. Histological and immunofluorescent studies demonstrated numerous newly formed lymphatic vessels in therapy group. Our results indicate that VEGF-C gene therapy has produced new lymphatic vessels which may have improved functional lymphatic drainage to reduce lymphedema volume in our model.</div>
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