Quantification of the effect of Lipo-PGE1 on angiogenesis.

Journal of plastic, reconstructive & aesthetic surgery : JPRAS (2014-12-03)
SuRak Eo, Chan Kwon, HyunJic Lee, SangHun Cho, JinYoung Kim, GooHyun Baek, JeongSeok Yeo, ChiYeon Lim
ABSTRACT

Fifteen rabbits were used to assess the effect of Lipo-PGE1 on neovascularization. Merocel(®) and Alloderm(®) of the same size were implanted separately under the back skin to act as matrices for vessel growth. Lipo-PGE1 was injected intravenously for 2 weeks in an experimental group of eight rabbits, and they were compared with a control group of seven untreated animals. Blood flow was measured using the (99m)TcO4(-) clearance technique. The mean blood clearance halftime (T1/2) and washout radioactivity were measured. Newly formed vessels were counted by CD31. The mean clearance halftime was 4005 ± 2161.3 and 13840 ± 4644.6 s in the experimental and control group, respectively, in the 1 × 2 × 1.5-cm-sized implants (p = 0.0125), and 1560 ± 1174.7 and 3405 ± 807.03 s, respectively, in the 2 × 2 × 1.5-cm-sized implants (p = 0.0413). Histological examinations revealed that the mean numbers of newly formed vessels in the experimental and control groups were 11 ± 1.58 and 7.8 ± 1.71, respectively, in the 1 × 2 × 1.5-cm-sized implants (p = 0.0501), and 20.19 ± 12.47 and 12.33 ± 3.25, respectively, in the 2 × 2 × 1.5-cm-sized implants (p = 0.02679). Lipo-PGE1 was found to be effective in promoting angiogenesis in a rabbit matrix model.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
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SAFC
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