We have examined I 7 primary undifferentiated nasopharyngeal carcinoma biopsies for allelic loss on 3p, comparing the findings in tumors with those in normal lymphocyte D N A from the same patients. Ten polymorphic microsatellite markers were used between 3p I 3 and 3p26. Allelic IOU was observed in
Rearrangements of chromosome arm 3q in poorly differentiated nasopharyngeal carcinoma
β Scribed by Manjula Waghray; Ranjit S. Parhar; Sultan Al-Sedairy; Khalid Taibah
- Publisher
- John Wiley and Sons
- Year
- 1992
- Tongue
- English
- Weight
- 496 KB
- Volume
- 4
- Category
- Article
- ISSN
- 1045-2257
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β¦ Synopsis
Abstract
Cell lines were established from fresh tumor biopsies from two Saudi patients with poorly differentiated nasopharyngeal carcinoma (NPC). Cytogenetic analysis on Giemsaβbanded metaphase cells revealed complex, abnormal karyotypes in both patients with modal chromosome numbers of 77 and 52. A der(3)dup(3)(q25βq2?7) or t(3;?)(q27;?) was observed in both cell lines. The rearrangements involving chromosomes X, 1, 4, 6, 7, 8, 12, 13, 15, 17, and 22 in the first patient and 1, 6, and 22 in the second patient could represent clonal evolution.
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