The distribution of segments of the short and long arms of chromosome I 2 was distinguished by two-color fluorescence in situ hybridization (FISH) in 27 cytogenetically abnormal testicular germ cell tumors (TGCTs). A I 2p-specific probe was developed by chromosomal microdissection and sequence-indep
Chromosome 12-containing markers, including two dicentrics, in three i(12p)-negative testicular germ cell tumors
✍ Scribed by Niels B. Atkin; Margaret F. Fox; Marion C. Baker; Zoè Jackson
- Publisher
- John Wiley and Sons
- Year
- 1993
- Tongue
- English
- Weight
- 289 KB
- Volume
- 6
- Category
- Article
- ISSN
- 1045-2257
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✦ Synopsis
Abstract
A chromosome 12‐derived marker was seen in each of 3 testicular germ cell tumors that lacked the i(12p). An interesting feature of 2 of the markers was that the major part, including the centromere, of an acrocentric (a #13 and #14, respectively) was translocated onto 12p, resulting in a dicentric. In the third tumor, 13q (translocated onto 12q) was again probably involved in the rearrangement. The findings support the view that the amplification of genes on 12p represents a significant step in the development of germ cell tumors. © 1993 Wiley‐Liss, Inc.
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