Roles of heme in the regulation of gene expression and cell differentiation of erythroid cells

血红素在红系细胞基因表达和细胞分化调节中的作用

基本信息

  • 批准号:
    10480163
  • 负责人:
  • 金额:
    $ 6.21万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
  • 财政年份:
    1998
  • 资助国家:
    日本
  • 起止时间:
    1998 至 1999
  • 项目状态:
    已结题

项目摘要

The purpose of this study is to understand the regulatory mechanisms of gene expression promoting erythroid cell differentiation. We examined the gene regulatory mechanisms of coproporphyrinogen (CPO) gene using reporter assays in cultured cells. The CPO gene is specifically active in erythroid cells but not in non-erythroid cells. We identified a novel motif CPRE, which appeared to be important for the differential expression of the gene. We also examined the function of Nrf3 and Bach1, which are members of the CNC transcription factor family. Among the members of this family, NF-E2 p45 is considered as a key transcription factor for erythroid differentiation. Molecular dissection of Nrf3 revealed a novel motif interacting with caspase 9. Biochemical analysis revealed that Bach1 associates with heme. Heme-bound Bach1 lost its DNA binding ability, suggesting that repressor activity of Bach1 is abrogated by heme. Consistently, Bach1-null mice displayed constitutive activation of heme-oxygenase 1 gene, which is a candidate target gene of Bach1. Thus, these data support the contention that Bach1 is a sensor of heme concentration and translates the heme abundance into the gene expression.
本研究旨在了解促进红细胞分化的基因表达调控机制。我们在培养细胞中采用报告基因法研究了coproporphyrinogen (CPO)基因的基因调控机制。CPO基因在红系细胞中有特异性活性,而在非红系细胞中无特异性活性。我们发现了一个新的基序CPRE,它似乎对基因的差异表达很重要。我们还检测了CNC转录因子家族成员Nrf3和Bach1的功能。在这个家族的成员中,NF-E2 p45被认为是红系分化的关键转录因子。Nrf3的分子解剖揭示了一个与caspase 9相互作用的新基序。生化分析显示Bach1与血红素结合。血红素结合的Bach1失去了其DNA结合能力,表明血红素消除了Bach1的抑制活性。与此一致的是,Bach1缺失的小鼠表现出血红素加氧酶1基因的组成性激活,该基因是Bach1的候选靶基因。因此,这些数据支持了Bach1是血红素浓度传感器并将血红素丰度转化为基因表达的观点。

项目成果

期刊论文数量(17)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Muto,Akihiko: "Identification of Bach2 as a B-cell-specific partner for small Maf proteins that negatively regulate the immunoglobulin heavy chain gene 3'enhancer." EMBO J.17. 5734-5743 (1998)
Muto, Akihiko:“鉴定 Bach2 作为小 Maf 蛋白的 B 细胞特异性伴侣,对免疫球蛋白重链基因 3 增强子进行负调节。”
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
  • 作者:
  • 通讯作者:
Differential regulation of mouse coproporphyrinogen oxidase geneexpression in erythroid and non-erythroid cells.
红系和非红系细胞中小鼠粪卟啉原氧化酶基因表达的差异调节。
  • DOI:
  • 发表时间:
    1998
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Takahashi;S-i.;Taketani;S.;Akasaka;J-e.;Kobayashi;A.;Hayashi;N.;Yamamoto;M.;Nagai;T.
  • 通讯作者:
    T.
Kobayashi,Akira: "Molecular cloning and functional characterization of a new CNCfamily transcription factor Nrf3." J.Biol.Chem.274. 6443-6452 (1999)
Kobayashi, Akira:“新型 CNC 家族转录因子 Nrf3 的分子克隆和功能表征。”
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
  • 作者:
  • 通讯作者:
Deficient heme and globin synthesis in ES cells lacking the erythroid-specific d-aminolevulinate synthase gene
缺乏红系特异性 d-氨基乙酰丙酸合酶基因的 ES 细胞血红素和球蛋白合成不足
  • DOI:
  • 发表时间:
    1998
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Harigae;H.;Suwabe;N.;Weinstock;P.H.;Nagai;M.;Fujita;H.;Yamamoto;M.;Sassa;S.
  • 通讯作者:
    S.
Regulation of NF-E2 activity in erythroleukemia cell differentiation.
红白血病细胞分化中 NF-E2 活性的调节。
  • DOI:
    10.1074/jbc.273.9.5358
  • 发表时间:
    1998
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Nagai,T;Igarashi,K;Akasaka,J;Furuyama,K;Fujita,H;Hayashi,N;Yamamoto,M;Sassa,S
  • 通讯作者:
    Sassa,S
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HAYASHI Norio其他文献

HAYASHI Norio的其他文献

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{{ truncateString('HAYASHI Norio', 18)}}的其他基金

System identification of physiological-psychological horticultural activity effect system using hands palm
手掌生理心理园艺活动效果系统识别
  • 批准号:
    20688011
  • 财政年份:
    2008
  • 资助金额:
    $ 6.21万
  • 项目类别:
    Grant-in-Aid for Young Scientists (A)
Epithelial transformation by stroma transplant in urogenital organs
泌尿生殖器官基质移植的上皮转化
  • 批准号:
    16591631
  • 财政年份:
    2004
  • 资助金额:
    $ 6.21万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Regulation of dendritic cell function and cell-based therapy in chronic hepatitis C virus infection
慢性丙型肝炎病毒感染中树突状细胞功能的调节和细胞治疗
  • 批准号:
    15109006
  • 财政年份:
    2003
  • 资助金额:
    $ 6.21万
  • 项目类别:
    Grant-in-Aid for Scientific Research (S)
PROMOTING EFFECTS OF JUVENILE ESTROGEN TREATMENT ON DEVELOPMENT OF AUTOIMMUNE PROSTATITIS IN NEONATALLY THYMECTOMIZED MICE
幼年雌激素治疗对新生胸腺切除小鼠自身免疫性前列腺炎发展的促进作用
  • 批准号:
    13671684
  • 财政年份:
    2001
  • 资助金额:
    $ 6.21万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Therapeutic strategy for hepatocellular carcinoma by dendritic cell-based tumor vaccination
基于树突状细胞的肿瘤疫苗接种治疗肝细胞癌的策略
  • 批准号:
    12557054
  • 财政年份:
    2000
  • 资助金额:
    $ 6.21万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Therapetic strategy for chronic hepatitis C by inducing apoptosis of hepatocyte infected with hepatitis C virus
诱导丙型肝炎病毒感染肝细胞凋亡治疗慢性丙型肝炎的治疗策略
  • 批准号:
    11470132
  • 财政年份:
    1999
  • 资助金额:
    $ 6.21万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B).
Cytodifferentiation on cancer of urogenital tract organs via cell to cell interaction
通过细胞间相互作用进行泌尿生殖道器官癌症的细胞分化
  • 批准号:
    10671468
  • 财政年份:
    1998
  • 资助金额:
    $ 6.21万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Gene manipulation of heme synthetic pathway enzymes
血红素合成途径酶的基因操作
  • 批准号:
    10557015
  • 财政年份:
    1998
  • 资助金额:
    $ 6.21万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Therapeutic approach to hepatitis C by regulation of apoptosis-related gene
调控凋亡相关基因治疗丙型肝炎
  • 批准号:
    08457167
  • 财政年份:
    1996
  • 资助金额:
    $ 6.21万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Regulation of erythroid differentiation by trnscription factors and heme
转录因子和血红素对红细胞分化的调节
  • 批准号:
    08458188
  • 财政年份:
    1996
  • 资助金额:
    $ 6.21万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)

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