Development of a new anabolic peptide on bone by the identification
通过鉴定开发出一种新型骨合成代谢肽
基本信息
- 批准号:23659867
- 负责人:
- 金额:$ 2.33万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Challenging Exploratory Research
- 财政年份:2011
- 资助国家:日本
- 起止时间:2011 至 2012
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Receptor activator of NF-〓B ligand (RANKL) promotes dendritic celldifferentiation and osteoclast differentiation and function. Recent findings also revealedthe wide-ranging physiological roles of RANKL such as the mammalian gland developmentand the thermoregulation. We found in this study that RANKL binding peptides promotebone formation, leading to a significant finding to clarify the physiological roles of RANKL. This study yields the important finding that anabolic activity on bone formationwas dependent on the RANKL-reverse-signaling intensity. The comparison of boneformation activities between two RANKL-binding peptides guided us to this conclusion. Atthe beginning of this study, we hypothesized that the differences of RANKL binding sitesbetween two anabolic peptides might induce the differences of bone formation activitiesbetween the two peptides. Since the stimulatory effects of osteoblast differentiation wasappeared only when the peptide concentration was higher around100 〓M and over, wethought that making a RANKL clustering on the surface of osteoblast membrane might bea trigger of the RANKL-reverse-signaling. Further studies are necessary for leading this study toward the development of anew therapeutic agent, such as clarification of an appropriate distance between RANKLmolecules that can switch on the bone formation activity, and the development of a ligand,which can make a RANKL clustering. Finally we thank Dr. Masashi Honma (Department of Pharmacy, TheUniversity of Tokyo Hospital, Faculty of Medicine) for analyses of the bone formationpeptides on the RANKL-reverse-signaling.
NF-〓B配体(RANKL)的受体激活剂促进树突细胞分化和破骨细胞分化和功能。最近的发现还揭示了RANKL的广泛物理作用,例如哺乳动物腺发育和温度调节。我们在这项研究中发现,RANKL结合肽会促进骨的形成,从而导致重大发现阐明RANKL的身体作用。这项研究产生了一个重要发现,即骨形成的合成代谢活性取决于RANKL逆信号强度。两种RANKL结合肽之间骨形成活性的比较引导我们得出了这一结论。在这项研究开始时,我们假设两个合成代谢petides之间的RANKL结合位点的差异可能引起两个宠物之间骨形成活性的差异。由于仅当在100 m及以上的辣椒浓度较高时,就会出现成骨细胞分化的刺激作用,因此我们认为在成骨细胞膜表面进行RANKL聚类可能是Rankl反向信号的触发因素。进一步的研究对于领导这项研究发展了新的治疗剂,例如阐明可以开关骨形成活性的Ranklmolecules之间的适当距离,以及可以制造RANKL簇的配体的发展。最后,我们感谢Masashi Honma博士(医学院东京医院的药物系)对RANKL逆信号的骨形成肽进行分析。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
A Bone Resorption Inhibitor Promotes Bone Formation
骨吸收抑制剂促进骨形成
- DOI:
- 发表时间:2011
- 期刊:
- 影响因子:0
- 作者:妹尾吉訓;青木和広.;M.Khan,K.Aoki.
- 通讯作者:M.Khan,K.Aoki.
The tumor necrosis factor type 2 receptor plays a protective role in tumor necrosis factor-α-induced bone resorption lacunae on mouse calvatiae.
肿瘤坏死因子2型受体在肿瘤坏死因子-α诱导的小鼠颅骨骨吸收陷窝中发挥保护作用。
- DOI:
- 发表时间:2011
- 期刊:
- 影响因子:0
- 作者:K. Nagano;N. Alles;A. H. Mian;A. Shimoda;N. Morimoto;Y. Tamura;H. Shimokawa;K. Akiyoshi;K. Ohya;K. Aoki.
- 通讯作者:K. Aoki.
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AOKI Kazuhiro其他文献
AOKI Kazuhiro的其他文献
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A challenge to establish a model for inducing carcinogenesis and thrombus formation by continuous endovascular inoculation of oral bacteria.
建立通过口腔细菌连续血管内接种诱导癌变和血栓形成模型的挑战。
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26290053 - 财政年份:2014
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Development of a new drug candidate to stimulate bone formation by oligomerization of RANKL-binding peptides
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25293377 - 财政年份:2013
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Suggestion of bounding in the evaluation method of the ability for jump
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24500755 - 财政年份:2012
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Systematic analysis of Ras/ERK pathway with FRET imaging
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- 批准号:
23701052 - 财政年份:2011
- 资助金额:
$ 2.33万 - 项目类别:
Grant-in-Aid for Young Scientists (B)
Analysis of mechanisms of ERK MAP kinase phosphorylation
ERK MAP激酶磷酸化机制分析
- 批准号:
21790273 - 财政年份:2009
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$ 2.33万 - 项目类别:
Grant-in-Aid for Young Scientists (B)
Development of peptide-delivery system using nanogel carrier for the control release of the peptide as the inhibitor of bone resorption toward clinical applications
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- 批准号:
19390472 - 财政年份:2007
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$ 2.33万 - 项目类别:
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The functional analysis of RANKL signaling in osteoclast for developing the agonist of SHP-1
破骨细胞中RANKL信号传导的功能分析用于开发SHP-1激动剂
- 批准号:
16390530 - 财政年份:2004
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Development of therapeutic RANKL vaccination approach against inflammatory alveolar-bone-destruction
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- 批准号:
14370589 - 财政年份:2002
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$ 2.33万 - 项目类别:
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