Growth inhibition of cultured smooth muscle cells by corrosion products of 316 L stainless steel wire

Chun Che Shih, Chun Ming Shih, Yuh Lien Chen, Yea Yang Su, Jeng Shong Shih, Ching Fai Kwok, Shing Jong Lin

研究成果: 雜誌貢獻文章

53 引文 (Scopus)

摘要

The potential cytotoxicity on vascular smooth muscle cells of corrosion products from 316 L stainless steel, one of most popular biomaterials of intravascular stents, has not been highlighted. In this investigation, 316 L stainless steel wires were corroded in Dulbecco's modified eagle's medium with applied constant electrochemical breakdown voltage, and the supernatant and precipitates of corrosion products were prepared as culture media. The effects of different concentrations of corrosion products on the growth of rat aortic smooth muscle cells were conducted with the [ 3H]-thymidine uptake test and cell cycle sorter. Both the supernatant and precipitates of corrosion products were toxic to the primary culture of smooth muscle cells. The growth inhibition was correlated well with the increased nickel ions in the corrosion products when nickel concentration was above 11.7 ppm. The corrosion products also changed cell morphology and induced cell necrosis. The cell growth inhibition occurred at the G0/G1 to S transition phase. Similar to our recent study of nitinol stent wire, the present investigation also demonstrated the cytotoxicity of corrosion products of 316 L stainless steel stent wire on smooth muscle cells, which might affect the poststenting vascular response.
原文英語
頁(從 - 到)200-207
頁數8
期刊Journal of Biomedical Materials Research
57
發行號2
DOIs
出版狀態已發佈 - 2001
對外發佈Yes

指紋

Stainless Steel
Muscle
Stainless steel
Cells
Wire
Corrosion
Stents
Cytotoxicity
Nickel
Precipitates
Poisons
Cell growth
Biocompatible Materials
Electric breakdown
Cell culture
Biomaterials
Thymidine
Culture Media
Rats
Ions

ASJC Scopus subject areas

  • Biomedical Engineering
  • Biomaterials

引用此文

Growth inhibition of cultured smooth muscle cells by corrosion products of 316 L stainless steel wire. / Shih, Chun Che; Shih, Chun Ming; Chen, Yuh Lien; Su, Yea Yang; Shih, Jeng Shong; Kwok, Ching Fai; Lin, Shing Jong.

於: Journal of Biomedical Materials Research, 卷 57, 編號 2, 2001, p. 200-207.

研究成果: 雜誌貢獻文章

Shih, Chun Che ; Shih, Chun Ming ; Chen, Yuh Lien ; Su, Yea Yang ; Shih, Jeng Shong ; Kwok, Ching Fai ; Lin, Shing Jong. / Growth inhibition of cultured smooth muscle cells by corrosion products of 316 L stainless steel wire. 於: Journal of Biomedical Materials Research. 2001 ; 卷 57, 編號 2. 頁 200-207.
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