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KMID : 0811720170210020161
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Korean Journal of Physiology & Pharmacology
2017 Volume.21 No. 2 p.161 ~ p.168
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Paracrine influence of human perivascular cells on the proliferation of adenocarcinoma alveolar epithelial cells
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Kim Eun-Bi
Na Sung-Hun
An Bo-Rim
Yang Se-Ran
Kim Woo-Jin
Ha Kwon-Soo
Han Eun-Taek
Park Won-Sun
Lee Chang-Min
Lee Ji-Yoon
Lee Seung-Joon
Hong Seok-Ho
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Abstract
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Understanding the crosstalk mechanisms between perivascular cells (PVCs) and cancer cells might be beneficial in preventing cancer development and metastasis. In this study, we investigated the paracrine influence of PVCs derived from human umbilical cords on the proliferation of lung adenocarcinoma epithelial cells (A549) and erythroleukemia cells (TF-1α and K562) in vitro using Transwellⓡ co-culture systems. PVCs promoted the proliferation of A549 cells without inducing morphological changes, but had no effect on the proliferation of TF-1α and K562 cells. To identify the factors secreted from PVCs, conditioned media harvested from PVC cultures were analyzed by antibody arrays. We identified a set of cytokines, including persephin (PSPN), a neurotrophic factor, and a key regulator of oral squamous cell carcinoma progression. Supplementation with PSPN significantly increased the proliferation of A549 cells. These results suggested that PVCs produced a differential effect on the proliferation of cancer cells in a cell-type dependent manner. Further, secretome analyses of PVCs and the elucidation of the molecular mechanisms could facilitate the discovery of therapeutic target(s) for lung cancer.
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KEYWORD
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Cancer, Paracrine effect, Perivascular cells, Proliferation
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