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LIFE01200604005 Shri Somnath Ghosh - Homi Bhabha National ...

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SYNOPSIS<br />

Ratio of DNA-PK to Actin<br />

2.5<br />

2.0<br />

1.5<br />

1.0<br />

0.5<br />

0.0<br />

1 2 3 4<br />

Lane<br />

Fig. 3.1C. Gene expression of DNA-PK in A 549 cells. Key; Lane 1, control unirradiated<br />

A549 cell line. Lane 2, 2 Gy acute dose ( single dose that was delivered in each fraction )<br />

of 60 Co γ-irradiation Lane 3 2 Gy of 60 Co γ-irradiation daily over a period of 5 days,<br />

Lane 4, 10 Gy acute (which is the sum total of all the fraction ) 60 Co γ-irradiation.<br />

Relative phosphorylation of p53<br />

1.8<br />

1.6<br />

1.4<br />

1.2<br />

1.0<br />

0.8<br />

0.6<br />

0.4<br />

0.2<br />

0.0<br />

p-TP53<br />

Con 2Gy 5X2Gy 10Gy<br />

Loading<br />

control<br />

(ponceau)<br />

Con 2Gy 5X2Gy 10Gy<br />

Fig. 3.1D Expression of phospho-p53 in A 549 cells. Key; Lane 1, control unirradiated<br />

A549 cell line. Lane 2, 2 Gy acute dose ( single dose that was delivered in each fraction )<br />

of 60 Co γ-irradiation Lane 3 2 Gy of 60 Co γ-irradiation daily over a period of 5 days,<br />

Lane 4, 10 Gy acute (which is the sum total of all the fraction ) 60 Co γ-irradiation.<br />

10

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