Tong YP, Zhang YP, Xu YL, Rui JY, Li MQ, Shen CY, Xiao ZM, Hong JX. Determination of eight elements in six human cancer cell lines and two human normal cell lines by PIXE.
Biol Trace Elem Res 1991;
29:31-4. [PMID:
1711359 DOI:
10.1007/bf03032671]
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Abstract
Gastric, hepatic, and pulmonary cancer cell lines, and the third passage of normal gastric and pulmonary cell lines were analyzed by proton induced X-ray emission (PIXE) method. The contents of element Sr, Ca, Fe, Zn, P, K, Cu, and As in the cell lines were determined. The Sr, Ca, Fe, Zn, and As contents in cancer cell lines were significantly lower than those in the normal cell lines (p less than 0.05), whereas there were no significant differences for the P, K, and Cu contents (p greater than 0.1). The results suggest that the need of some essential elements has been diminished in cancer cell proliferation.
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