Numerical chromosomal aberrations in thyroid tumors detected by double fluorescence in situ hybridization

Numerical chromosomal aberrations in thyroid tumors detected by double fluorescence in situ hybridization
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双荧光原位杂交检测甲状腺肿瘤染色体畸变数值

DOI:
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发表时间:
1994
期刊:
Genes, Chromosomes and Cancer
影响因子:
--
通讯作者:
M. Carcangiu
M. Carcangiu
中科院分区:
--
文献类型:
--
作者:
D. Taruscio;T. Ried;D. Ward;M. Carcangiu

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对 2 例甲状腺结节性增生、2 例腺瘤和 7 例甲状腺乳头状癌制备的新鲜分离细胞核和冷冻组织切片进行双荧光原位杂交,使用对 3、7、9、11、12、18 和 X 号染色体(周围)着丝粒区域特异的 DNA 探针进行双荧光原位杂交,以检测数值染色体变化。在所有检查的恶性样本中都发现了染色体数值畸变。在大多数情况下,特别是在滤泡变异标本中,检测到至少两个三体性的一致存在; 12号染色体三体性程度最高。1例腺瘤和2例乳头状癌中发现不同染色体中等程度的孤立性单体。 9号染色体严重单体性是单个转移性乳头状癌中观察到的唯一显着特征。基因铬癌 9:180-185 (1994)。 © 1994 Wiley-Liss, Inc.
Double fluorescence in situ hybridization with DNA probes specific for the (peri)centromeric regions of chromosomes 3, 7, 9, 11, 12, 18, and X was performed on fresh isolated nuclei and frozen tissue sections prepared from 2 nodular hyperplasias, 2 adenomas, and 7 papillary carcinomas of the thyroid in order to detect numerical chromosomal changes. Numerical chromosomal aberrations were found in all malignant specimens examined. A consistent presence of at least two trisomies was detected in most cases, especially in the follicular variant specimens; the highest degree of trisomy was observed for chromosome 12. Isolated monosomies of moderate degree for different chromosomes were found in 1 adenoma and 2 papillary carcinomas. Severe monosomy of chromosome 9 was the only significant feature observed in the single metastatic papillary carcinoma. Genes Chrom Cancer 9:180‐185 (1994). © 1994 Wiley‐Liss, Inc.
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