Structure and expression of the human L-myc gene reveal a complex pattern of alternative mRNA processing

Structure and expression of the human L-myc gene reveal a complex pattern of alternative mRNA processing
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人类 L-myc 基因的结构和表达揭示了替代 mRNA 加工的复杂模式

DOI:
10.1128/mcb.8.1.186-195.1988
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发表时间:
1988
影响因子:
5.3
通讯作者:
John Minna
John Minna
中科院分区:
生物学2区
文献类型:
--
作者:
Frederic Kaye;James F. Battey;Marion Nau;Burke Brooks;Eric Seifter;Jacques de Greve;Michael J. Birrer;Edward Sausville;John Minna

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我们详细分析了从人胎盘DNA中分离的L-myc基因的结构,并表征了其在几种小细胞肺癌细胞系中的表达。该基因由三个外显子和两个内含子组成,跨越人类DNA中的6.6个酶。在所有表达L-myc的小细胞肺癌细胞系中产生几种不同的mRNA种类。这些转录本是由单个基因通过内含子1和2的选择性剪接以及通过使用选择性聚腺苷酸化信号产生的。在一些mRNA中,存在长的开放阅读框,预测翻译的蛋白质为364个残基。与c-myc和N-myc的氨基酸序列比较显示多个离散区域具有广泛的同源性。相比之下,其他mRNA转录本,产生的替代加工,可以编码一个截短的蛋白质与一个新的羧基末端。
We analyzed in detail the structure of the L-myc gene isolated from human placental DNA and characterized its expression in several small-cell lung cancer cell lines. The gene is composed of three exons and two introns spanning 6.6 kilobases in human DNA. Several distinct mRNA species are produced in all small-cell lung cancer cell lines that express L-myc. These transcripts are generated from a single gene by alternative splicing of introns 1 and 2 and by use of alternative polyadenylation signals. In some mRNAs there is a long open reading frame with a predicted translated protein of 364 residues. Amino acid sequence comparison with c-myc and N-myc demonstrated multiple discrete regions with extensive homology. In contrast, other mRNA transcripts, generated by alternative processing, could encode a truncated protein with a novel carboxy-terminal end.
DOI: 10.1126/science.2440106
发表时间: 1987-07-24
期刊: SCIENCE
影响因子: 56.9
作者:
MARTINEZ, R;MATHEYPREVOT, B;BALTIMORE, D
通讯作者: BALTIMORE, D
DOI: 10.1073/pnas.83.9.2984
发表时间: 1986-05-01
影响因子: 11.1
作者:
PELICCI, PG;KNOWLES, DM;DALLAFAVERA, R
通讯作者: DALLAFAVERA, R
N-myc可以与ras协同转化培养中的正常细胞。
DOI: 10.1073/pnas.82.16.5455
发表时间: 1985
影响因子: 11.1
作者:
Yancopoulos,GD;Nisen,PD;Tesfaye,A;Kohl,NE;Goldfarb,MP;Alt,FW
通讯作者: Alt,FW
DOI: 10.1073/pnas.81.23.7417
发表时间: 1984-01-01
期刊: PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-BIOLOGICAL SCIENCES
影响因子: --
作者:
KELLER, EB;NOON, WA
通讯作者: NOON, WA
DOI: --
发表时间: 1985
期刊: The Journal of biological chemistry
影响因子: --
作者:
McGrogan,M;Simonsen,CC;Smouse,DT;Farnham,PJ;Schimke,RT
通讯作者: Schimke,RT