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学科主题: 基础医学
题名:
Molecular cloning of a novel human gene encoding histone acetyltransferase-like protein involved in transcriptional activation of hTERT
作者: Lv, JJ; Liu, HJ; Wang, QA; Tang, ZW; Hou, L; Zhang, B
关键词: hTERT ; expression regulation ; yeast one-hybrid ; N-acetyltransferase ; histone acetyltransferase
刊名: BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
发表日期: 2003-11-14
DOI: 10.1016/j.bbrc.2003.09.235
卷: 311, 期:2, 页:506-513
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Biochemistry & Molecular Biology ; Biophysics
研究领域[WOS]: Biochemistry & Molecular Biology ; Biophysics
关键词[WOS]: TELOMERASE REVERSE-TRANSCRIPTASE ; CATALYTIC SUBUNIT HTERT ; DEACETYLASE INHIBITOR ; PROMOTER ; CELLS ; SP1 ; BINDING ; CANCER ; DIFFERENTIATION ; IDENTIFICATION
英文摘要:

To isolate proteins involved in hTERT transcriptional regulation, the HeLa cDNA library was screened using the hTERT promoter-based yeast one-hybrid assay. A positive clone was rescued and proved to contain an open reading frame and the upstream coding sequences were obtained by 5′-RACE. The assembled full cDNA consisted of a 2.5 kb reading frame encoding 834 amino acids, in which a conserved N-acetyltransferase domain (GNAT family) was searched out in bioinformatics, and thus named as hALP (human N-acetyltransferase-like protein, GenBank Accession No. AF 489535). The expression of native hALP was identified in HeLa cells and proved to distribute in the cellular nucleus. The binding potential of hALP to hTERT promoter was confirmed by EMSA and the interacting sequence involved to -201- to -56-nt upstream region of the promoter. On transfection assay, hALP could obviously transactivate hTERT promoter and stimulate endogenous telomerase activity of cells. The analysis on historic acetyltransferase showed that hALP could specifically acetylate free histones in vitro. The investigation suggested that hALP influences the activity of historic acetylation and could up-regulate telomerase activity through transactivation of hTERT promoter. (C) 2003 Elsevier Inc. All rights reserved.

语种: 英语
WOS记录号: WOS:000186584100041
Citation statistics:
内容类型: 期刊论文
版本: 出版稿
URI标识: http://ir.bjmu.edu.cn/handle/400002259/65829
Appears in Collections:基础医学院_病理学系_期刊论文

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作者单位: Peking Univ, Ctr Hlth Sci, Dept Pathol, Beijing 100083, Peoples R China

Recommended Citation:
Lv, JJ,Liu, HJ,Wang, QA,et al. Molecular cloning of a novel human gene encoding histone acetyltransferase-like protein involved in transcriptional activation of hTERT[J]. BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS,2003,311(2):506-513.
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