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15 Chi-square analysis was used to determine the association between tumors genetic profile and different clinicopathological features. Survival analysis was performed by Kaplan�CMeier method in 82 CACX samples. Cox proportional hazards regression model predicted patients' survival in relation to several prognostic factors such as clinical stage, tumor grade, HPV infection, lymph node involvement, parity and alterations of the candidate TSGs. Probability value (p value) �� 0.05 was considered statistically significant. All the statistical analyses were performed using statistical programs Epi Info 6.04, SPSS 10.0 (SPSS, Chicago, IL). The chromosomal http://www.selleck.cn/products/gsk126.html 11q23.3-24.3 region showed alterations (deletion/MA) in at least one of the markers in 75% (105/141) of the primary cervical lesions, indicating the importance of this region in development of the tumor (Figs. 1a�Cc, Supporting Information Fig. S1). Deletion of this region overlaps with the deleted regions reported by different investigators in cancer of cervix, breast, lung, etc.5�C10 High deletions have been found in two distinct regions in CACX samples (D1: 34�C36% and D2: 34�C46%), indicating the presence http://www.selleckchem.com/products/BI-2536.html of at least one TSG in these regions (Figs. 1a and 1d). Similar trend was also observed in CIN samples though the frequency of deletion was comparatively low (D1: 5.5�C15%; D2: 4.4�C21%). There was a low frequency ( http://www.selleckchem.com/products/Cyclopamine.html alterations (deletion/MA of either the whole chr11q23.3-24.3 region or in the D1 + D2 regions) from CIN (one sample) to stage I/II (seven samples) to stage III/IV (14 samples) tumors suggests the association of chromosomal aberrations with progression of the tumor. Similar observations for this region were reported earlier in cervical15 and breast tumors.9 Such interstitial deletion of chromosome 11 also occurs in several pathogenic conditions with delayed development in children.39 Seven samples (#3737, 2878, 3552, 4615, 1435, 1690 and 2497) showed deletion at all the markers on 11q23.3-24.3, indicating the loss of this entire region. This might have occurred because of nondisjunction, with or without reduplication and structural rearrangements of chromosome 11.9 Samples 3310 and 1690 showed homozygous deletion in the D2 region; however, biallelic alterations (MA-II or LOH + MA) were predominantly found in either D1 or D2 regions in two CIN and nine CACX samples (Supporting Information Fig. S2). Interestingly, two samples (#165 and 5429) showed biallelic alterations in all the markers, suggesting the loss of wild-type chromosome in the tumors. The loss of wild-type chromosome 11 during development of tumor has also been reported in CACX, breast cancer, etc.