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LIFE01200604005 Shri Somnath Ghosh - Homi Bhabha National ...

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CHAPTER 3<br />

RESULTS<br />

Fig.3.3.2.6 Phosphorylation of Chk2 at 4h after exposure to 2Gy and 6Gy gamma or 2Gy oxygen<br />

irradiation in A549 cells. (A) Representative image showing p-Chk2 4 hours after irradiation.<br />

Each phospho-Chk2 antibody was indirectly labeled with Molecular Probe 488 secondary<br />

antibody (green) and cells were mounted with ProLong Gold antifede with DAPI (blue). All<br />

images were captured using Carl Zeiss confocal microscope with the same exposure time. (B)<br />

Graph represents relative intensity of p-Chk2 as determined by ImageJ software. (C) Graph<br />

represents relative intensity of p-Chk1 as determined by ImageJ software At least 100 cells per<br />

experiment were analyzed from three independent experiments. Data represents means ± SD of<br />

three independent experiments; significantly different from unirradiated controls: *P < 0.05, **P<br />

< 0.01. Significantly different from 6Gy gamma: # P < 0.05.<br />

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