Angiogenesis after plasmid <i>VEGF165</i> gene transfer in an animal model

Jan Skóra; Piotr Barć; Tomasz Dawiskiba; Dagmara Baczyńska; Agnieszka Mastalerz-Migas

doi:10.5114/ceji.2013.37751

eISSN: 1644-4124
ISSN: 1426-3912

Central European Journal of Immunology

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3/2013
vol. 38

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abstract:

**Angiogenesis after plasmid VEGF165 gene transfer in an animal model**

Jan Skóra

,

Piotr Barć

,

Tomasz Dawiskiba

,

Dagmara Baczyńska

,

Agnieszka Mastalerz-Migas

(Centr Eur J Immunol 2013; 38 (3): 305-309)

DOI: https://doi.org/10.5114/ceji.2013.37751

Online publish date: 2013/10/28

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Objectives: This study evaluated the angiogenic efficacy of gene delivery by intramuscular (IM) injections of VEGF 165 plasmid in an animal model.

Material and methods: 36 rats underwent intramuscular injections of plasmid to hind limbs. The control group (18 animals) received empty plasmid. Group 1 received plasmid containing genes for vascular endothelial growth factor (VEGF). After 12 weeks, all the animals were sacrificed and tissue samples from the thigh muscle from hind limbs were harvested for histological and immunohistochemistry examinations.

Results: There were significant differences in the histological findings in the structure of muscle tissue of the hind limbs between two groups. There was evidence of angiogenesis in the samples from group 1. There was no angiogenesis present in the control group. The expression of VEGF 165 protein in the immunohistochemistry examination demonstrated gene delivery to muscles of hind limbs in group 1. Levels of expression of VEGF protein in the control group were not increased. The histological structure of the samples from group 1 confirmed successful gene delivery to muscles of hind limbs.

Conclusions: Intramuscular injections of plasmid of VEGF induced angiogenesis and increased the concentration of VEGF protein in muscle tissue.

keywords:

Angiogenesis after plasmid VEGF165 gene transfer in an animal model

Jan Skóra , Piotr Barć , Tomasz Dawiskiba , Dagmara Baczyńska , Agnieszka Mastalerz-Migas

angiogenesis, VEGF 165 plasmid, animal model

**Angiogenesis after plasmid VEGF165 gene transfer in an animal model**

Jan Skóra

,

Piotr Barć

,

Tomasz Dawiskiba

,

Dagmara Baczyńska

,

Agnieszka Mastalerz-Migas