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Functional analysis of Rab33B in autophagy.

Functional analysis of Rab33B in autophagy.
Rab33B 在自噬中的功能分析。
批准号:
21770198
负责人:
ITOH Takashi
金额:
$2.91万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Young Scientists (B)
财政年份:
2009
资助国家:
日本
项目状态:
已结题
起止时间:
2009 至 2010

项目摘要

项目成果

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中文摘要
翻译
Rab33 B,膜运输的调节器,与Atg16 L1,自噬的一个重要因素的直接相互作用,表明Rab33 B参与自噬的调节。在这里,我确定了OATL 1,一种未表征的TBC蛋白,作为Rab33 B的失活因子,并解决了Rab33 B在OATL 1对Rab33 B的自噬中的功能。OATL 1的过表达会抑制内源性Rab33 B,延迟MEF细胞中自噬体的成熟。另一方面,Rab33 B活性突变体的过表达也延迟了自噬体的成熟。这些结果表明Rab33 B在自噬体和溶酶体之间的融合中起作用,这是自噬的后期过程。
英文摘要
The direct interaction of Rab33B, a regulator of membrane trafficking, with Atg16L1, an essential factor for autophagy, suggests involvement of Rab33B in the regulation of autophagy. Here, I identified OATL1, an uncharacterized TBC protein, as an inactivation factor of Rab33B and addressed the function of Rab33B in autophagy to inactivate Rab33B by OATL1. Overexpression of OATL1, which would inactivate endogenous Rab33B, delayed autophagosomal maturation in MEF cells. On the other hand, overexpression of active-form mutant of Rab33B also delayed autophagosomal maturation. These results indicate that Rab33B plays a role in the fusion between autophagosomes and lysosomes, a later process of autophagy.
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会议论文
Search for Rab-GAP involved in autophagy.
寻找参与自噬的 Rab-GAP。
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [Tamura, K., Ohbayashi, N., Maruta, Y., Kanno, E., Itoh, T., Fukuda, M., 伊藤敬]
通讯作者: 伊藤敬
DOI: 10.1083/jcb.201008107
发表时间: 2011-03-07
期刊: The Journal of cell biology
影响因子: --
作者: [Itoh T, Kanno E, Uemura T, Waguri S, Fukuda M]
通讯作者: Fukuda M
Identification of a novel Rab-GAP involved in autophagy
鉴定参与自噬的新型 Rab-GAP
DOI: --
发表时间: 2009
期刊:
影响因子: --
作者: [Itoh, T., Kanno, E., Fukuda, M., 伊藤敬]
通讯作者: 伊藤敬
Development of defect evaluation method for photoabsorption layer in compound thin film solar cells and evaluation using it
  • 批准号:
    17K06345
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
  • 资助金额:
    $3.0万
  • 财政年份:
    2017
  • 负责人:
    ITOH Takashi
  • 依托单位:
In Situ Raman Spectroelectrochemistry for Solvated Molecules at High Energy Interface
  • 批准号:
    15H03847
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
  • 资助金额:
    $11.23万
  • 财政年份:
    2015
  • 负责人:
    ITOH Takashi
  • 依托单位:
The transformation of the world petroleum industry and business activities of major petroleum companies since the early 1980s
  • 批准号:
    15K03567
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
  • 资助金额:
    $2.91万
  • 财政年份:
    2015
  • 负责人:
    ITOH Takashi
  • 依托单位:
Frontier Research Institute for Interdisciplinary Sciences
  • 批准号:
    25620146
  • 项目类别:
    Grant-in-Aid for Challenging Exploratory Research
  • 资助金额:
    $2.58万
  • 财政年份:
    2013
  • 负责人:
    ITOH Takashi
  • 依托单位:
海外基金