FUKUSHIMA JOURNAL OF MEDICAL SCIENCE
Online ISSN : 2185-4610
Print ISSN : 0016-2590
ISSN-L : 0016-2590
Original Article
Cesium suppresses fibroblast proliferation and migration
Ziasmin KhatunNatsumi NishimuraDaisuke KobayashiAkihiro Hazama
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2020 Volume 66 Issue 2 Pages 97-102

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Abstract

During wound healing, fibroblasts proliferate from the margin, and migrate into the provisional matrix where they differentiate into myofibroblasts resulting in wound contraction; however, fibroblasts are hyperproliferative during chronic tissue damage. We previously reported that cesium chloride inhibited a human cancer cell proliferation; therefore, cesium is also presumed to suppress fibroblast proliferation. We here investigated the effects of cesium chloride on the proliferation and migration of murine embryotic fibroblast cells, NIH/3T3 cells. Cultured NIH/3T3 cells with 0-10 mM sodium and cesium chloride were counted using trypan blue dye-exclusion method, then cell growth and viability were evaluated. The percentage of wound closure was calculated by scratch assay. The number of the cells was decreased by application of 1-10 mM cesium in a dose-dependent manner, whereas the viability of the cells was unchanged. The treatment with 3-10 mM cesium inhibited the proliferation rate and % of wound closure compared with controls. These results suggested that cesium inhibits the proliferation and migration of fibroblast cells. This study indicates a possible therapeutic role of cesium chloride in the treatment of wound healing and fibrosis.

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© 2020 The Fukushima Society of Medical Science

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