Modification of a rodent hindlimb model of secondary lymphedema: surgical radicality versus radiotherapeutic ablation

BioMed Research International
Hyung Sub ParkTaeseung Lee

Abstract

Secondary lymphedema is an intractable disease mainly caused by damage of the lymphatic system during surgery, yet studies are limited by the lack of suitable animal models. The purpose of this study was to create an improved model of secondary lymphedema in the hindlimbs of rodents with sustained effects and able to mimic human lymphedema. This was achieved by combining previously reported surgical methods and radiation to induce chronic lymphedema. Despite more radical surgical destruction of superficial and deep lymphatic vessels, surgery alone was not enough to sustain increased hindlimb volume. Radiotherapy was necessary to prolong these effects, with decreased lymphatic flow on lymphoscintigraphy, but hindlimb necrosis occurred after 4 weeks due to radiation toxicity. The applicability of this model for studies of therapeutic lymphangiogenesis was subsequently tested by injecting muscle-derived stem cells previously cocultured with the supernatant of human lymphatic endothelial cells in vitro. There was a tendency for increased lymphatic flow which significantly increased lymphatic vessel formation after cell injection, but attenuation of hindlimb volume was not observed. These results suggest that further refinement of t...Continue Reading

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Citations

Sep 25, 2014·The Journal of Surgical Research·Muholan KanapathyAlexander M Seifalian
Jan 28, 2017·Lymphatic Research and Biology·Rebecca Hadrian, Daniel Palmes
Aug 7, 2019·Journal of Surgical Oncology·Ching-En ChenChih-Hsun Lin
Jun 25, 2019·Lymphatic Research and Biology·Zhe WangJae Yong Jeon
Aug 28, 2020·World Journal of Stem Cells·Li-Ru Hu, Jian Pan
Feb 6, 2017·Lymphatic Research and Biology·Emi KomatsuToshio Nakatani
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Feb 11, 2021·Tissue Engineering. Part a·Malke Asaad, Summer E Hanson
Jun 16, 2021·Advances in Wound Care·Jerry F HsuAlex K Wong

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Methods Mentioned

BETA
dissection
PCR
electrophoresis

Software Mentioned

Image Pro Plus
SPSS Statistics

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