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Figure 1 | BMC Cancer

Figure 1

From: p53-independent early and late apoptosis is mediated by ceramide after exposure of tumor cells to photon or carbon ion irradiation

Figure 1

Time course of ceramide production in SCC61, SF767, SQ20B, and U87MG cell lines after a 10Gy irradiation with photons or 33.4 or 184 keV/μm carbon ions. Early ceramide production (A) was quantified by fluorencence microscopy and late ceramide (B) by HPLC. Values represent the mean ± SD of two or three independent experiments performed in triplicate. *p < 0.05, **p < 0.01, and ***p < 0.001 compared to control.

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BMC Cancer

ISSN: 1471-2407

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