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| Year : 1997 | Volume
: 3
| Issue : 2 | Page : 89-94 |
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Constitutive Heterochromatin Polymorphism In Pediatric Cancer Patients
Sonal.R Bakshi, Amit.H Trivedi, Rashmi.K Patel, Shambhu.K Roy, Phalguni.A Alladi, Jyotsna.M Bhatavdekar, Devendra.D Patel, Pankaj.M Shah, Upendra.M Rawal
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Correspondence Address:
Sonal.R Bakshi
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Incidence of constitutive C-band heteromorphism (CBH) is reported to be higher in patients with malignancy by some studies, while in others no difference is reported between control and malignant conditions. We have studied incidence of CBH in pediatric cancer patients in terms of > 25% size difference between the homologues of chromosome #1, #9 and #16 and compared it with (i) age-matched controls, (ii) controls with minimum 60 years of age and (iii) parents/siblings of pediatric cancer patients and overall prevalence of CBH was comparable between patients and three groups of control subjects. Statistically significant difference was observed between the total lengths of C-band of chromosome #1 for pediatric cancer patients and first degree relatives group (p < 0.01). 17 families of pediatric cancer patients were studied for the pattern of CBH. In three patients, CBH analysis, more number of cancer families and normal pedigrees will be more informative. The problem still remains unresolved and should be analyzed qualitatively using techniques of molecular cytogenetics. |
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