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KMID : 1147720130060060298
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Journal of Acupuncture and Meridian Studies
2013 Volume.6 No. 6 p.298 ~ p.305
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Primo Vessel as a Novel Cancer Cell Migration Path from Testis with Nanoparticle-Labeled and GFP Expressing Cancer Cells
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Han Hyun-Jung
Kim Hong-Bae
Cha Jin-Myung
Lee Jin-Kyu
Youn Hye-Won
Chung June-Key
Kim Sung-Chul
Soh Kwang-Sup
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Abstract
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Background/aim: Recently, a novel circulatory system, the primo vascular system (PVS), was found to be a potent metastatic route of cancer cells. The aim of the current work is to demonstrate that cancer cells injected into the testis migrate through the primo vessel (PV).
Materials and methods: NCI-H460 cells labeled with fluorescent nanoparticles (FNP) or green fluorescent protein (GFP) gene transfection were injected into testicular parenchyma in 24 rats. After 24 hours of injection, the abdominal cavity was investigated via a stereomicroscope, to detect the PVS, and the samples were analyzed histologically with 4′,6-diamidino-2-phenylindole (DAPI) and hematoxylin and eosin.
Results: Injected cancer cells were detected inside the PVS distributed on the abdominal organs. Some were detected inside intestinal parenchyma into which the attached primo vessels (PVs) entered.
Conclusion: The results supported the fact that the PVS may be a novel migration path of cancer cells, in addition to the lymphatic and hematogenous routes.
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KEYWORD
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cancer, metastasis, migration, nanoparticle, primo vascular system, testis
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