Somatic mutation and transcriptional deregulation of myc in endemic Burkitt's lymphoma disease: heptamer-nonamer recognition mistakes?

Somatic mutation and transcriptional deregulation of myc in endemic Burkitt's lymphoma disease: heptamer-nonamer recognition mistakes?
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地方性伯基特淋巴瘤病中 myc 的体细胞突变和转录失调:七聚体-九聚体识别错误?

DOI:
10.1128/mcb.9.1.74-82.1989
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发表时间:
1989
影响因子:
5.3
通讯作者:
Astrin,SM
Astrin,SM
中科院分区:
生物学2区
文献类型:
--
作者:
Morse,B;South,VJ;Rothberg,PG;Astrin,SM

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我们研究了从原发性(未培养)地方性伯基特淋巴瘤样品命名为eBL 3的DNA中提取的myc原癌基因的结构和表达。斑点和北方(RNA)印迹分析表明eBL 3样品中有极高水平的mycRNA。从eBL 3 DNA中分离的变异菌的几乎完整的序列数据表明,在关键的mycegulatory区域存在广泛的突变(重复、插入和缺失)。综上所述,这些数据支持这样的观点,即伯基特淋巴瘤中myc转录失调可能是环内和环周围产生的突变的位置和数量的结果。此外,mycexon-1-intron-1 hypermutablePvuII位点是潜在的七聚体-九聚体识别序列的一部分,提示了地方性伯基特淋巴瘤疾病的突变机制。
We examined the structure and expression of themycprotooncogene in DNA extracted from a primary (uncultured) endemic Burkitt's lymphoma sample designated eBL3. Dot and Northern (RNA) blot analyses demonstrated extreme levels ofmycRNA in the eBL3 sample. Nearly complete sequence data of the alteredmyclocus isolated from eBL3 DNA demonstrated extensive mutations (duplications, insertions, and deletions) in criticalmycregulatory regions. Taken together, the data support the idea thatmyctranscriptional deregulation in Burkitt's lymphoma disease may be a consequence of the position and number of mutations produced within and around themyclocus. Furthermore, themycexon-1–intron-1 hypermutablePvuII site is part of a potential heptamer-nonamer recognition sequence, suggesting a mechanism for mutation in endemic Burkitt's lymphoma disease.
染色体易位和人类癌症。
DOI: --
发表时间: 1986
期刊: Cancer research
影响因子: 11.2
作者:
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影响因子: 11.4
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