期刊
CANCER GENETICS AND CYTOGENETICS
卷 128, 期 2, 页码 97-103出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/S0165-4608(01)00398-3
关键词
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Genetic changes underlying the tumorigenesis of pituitary adenomas (PA) are poorly characterized. To search for characteristic genomic imbalances involved in PA, we examined 38 cases: 12 hormone-secreting (HS) and 26 non-functioning (NF) PA, by comparative genomic hybridization. The most frequent DNA copy number change in both kinds of tumors was loss of 13q, Gains of chromosomes 3, 7 and 14, 6p, and 20q were more frequent in HSPA than in NFPA. These data indicate that the 13q region may harbor tumor suppressor genes determining the tumorigenesis of PA and gain in chromosome 3 may be related to hormone secretion. These findings provide a basis to search for candidate diagnostic markers of HSPA. (C) 2001 Elsevier Science Inc. All rights reserved.
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