Identification and functional analysis of regulatory factors for fibroblast growth factor 23/klotho/inorganic sensor system
成纤维细胞生长因子23/klotho/无机传感器系统调控因子的鉴定及功能分析
基本信息
- 批准号:20390236
- 负责人:
- 金额:$ 11.9万
- 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:2008
- 资助国家:日本
- 起止时间:2008 至 2010
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
In the present study, we investigated inorganic phosphate (Pi) metabolism in the type IIa and type IIc sodium-dependent Pi cotransporter gene knockout mice (Npt2a^<-/->Npt2c>^<-/-> DKO mice). To clarify the relative importance of Npt2a and Npt2c, we studied DKO mice These mice exhibited severe hypophosphatemia, hypercalciuria, and rickets. This phenotype is similar to that seen inhereditary hypophosphatemic rickts with hypercalciuria (HHRH) which is characterized by hypophosphate, short stature, rickets, and/or osteomalacia, with secondary absorptive hypercalciuria. Studies of the DKO animals showed that the expansion of the late hypertrophic zone in the bone, which is a characteristic feature of rickets, might be secondary to the impaired apoptosis of these cells. In the analysis of DNA microarray in the kidney of DKO mice, we identified the clone encode calcium activated chloride channel 6 (CLCA6) and analyzed its function in Xenopus oocytes and renal epithelial cells. The present study indicates that CLCA6 modulates the activity of type III renal sodium-dependent Pi cotransporter PiT2 in DKO mice.
在本研究中,我们研究了IIa型和IIc型钠依赖性Pi协同转运蛋白基因敲除小鼠(Npt 2a ^<-/-> Npt 2c ^<-/-> DKO小鼠)的无机磷酸盐(Pi)代谢。为了阐明Npt 2a和Npt 2c的相对重要性,我们研究了DKO小鼠。这些小鼠表现出严重的低磷酸盐血症、高钙尿症和佝偻病。这种表型与遗传性低磷酸盐血症佝偻病伴高钙尿症(HHRH)相似,其特征为低磷酸盐、身材矮小、佝偻病和/或骨软化症,伴继发性吸收性高钙尿症。对DKO动物的研究表明,骨中晚期肥大区的扩张(这是佝偻病的特征性特征)可能继发于这些细胞的凋亡受损。在DKO小鼠肾脏基因芯片分析中,我们鉴定了编码钙激活氯离子通道6(CLCA 6)的克隆,并分析了其在爪蟾卵母细胞和肾上皮细胞中的功能。本研究表明,CLCA 6调节DKO小鼠中III型肾钠依赖性Pi协同转运蛋白PiT 2的活性。
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)
慢性腎臓病時におけるリン管理の重要性 Management of hyperp hosphatemia in patients with chronic kidney disease
慢性肾病患者磷管理的重要性 慢性肾病患者高磷血症的管理
- DOI:
- 发表时间:2010
- 期刊:
- 影响因子:0
- 作者:梶保祐子;水谷誠;谷口貴実子;上田博章;古山政幸;石塚喜世伸;藤井寛;近本裕子;秋岡祐子;岡政史;野津寛大;飯島一誠;服部元史;宮本賢一
- 通讯作者:宮本賢一
Polypyrimidine tract-binding protein is involved in regulation of albuminsynthesis in response to food intake.
多嘧啶束结合蛋白参与响应食物摄入而调节白蛋白合成。
- DOI:
- 发表时间:2008
- 期刊:
- 影响因子:0
- 作者:星拓;北川一夫;安部裕子;古門成隆;坂口学;寶學英隆;堀正二;Kuwahata M.
- 通讯作者:Kuwahata M.
Phosphaturic action of fibroblast growth factor 23 in Npt2 null mice. Am J Physiol Renal Physiol.
Npt2 缺失小鼠中成纤维细胞生长因子 23 的磷酸化作用。
- DOI:
- 发表时间:2010
- 期刊:
- 影响因子:0
- 作者:Tomoe Y;et al.
- 通讯作者:et al.
甲状腺ホルモン受容体β1を介したビタミンD-1α水酸化酵素(SYP27B1)遺伝子の転写抑制機構
甲状腺激素受体β1对维生素D-1α羟化酶(SYP27B1)基因的转录抑制机制
- DOI:
- 发表时间:2010
- 期刊:
- 影响因子:0
- 作者:Ramachandran N;Munteanu I;Wang P;他;山本浩範
- 通讯作者:山本浩範
Phosphate Homeostasis in Osteocyte-Ablated Mice.
骨细胞消融小鼠的磷酸盐稳态。
- DOI:
- 发表时间:2010
- 期刊:
- 影响因子:0
- 作者:Tatsumi S;Yamaguchi S,Kamatani T;Shiozaki Y;Nomura K;Saito Y;Kido S;Segawa H;Miyamoto K.
- 通讯作者:Miyamoto K.
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MIYAMOTO Kenichi其他文献
MIYAMOTO Kenichi的其他文献
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{{ truncateString('MIYAMOTO Kenichi', 18)}}的其他基金
New strategy for overcoming Pi toxicity by modulating the function of inorganic phosphate (Pi) network.
通过调节无机磷酸盐(Pi)网络的功能来克服 Pi 毒性的新策略。
- 批准号:
17H04190 - 财政年份:2017
- 资助金额:
$ 11.9万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Dietary factors and aging control: Glycosylation modified diets
饮食因素和衰老控制:糖基化改良饮食
- 批准号:
15K12340 - 财政年份:2015
- 资助金额:
$ 11.9万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Inorganic phosphate balance in cerebrospinal fluid and hyperphosphatemia
脑脊液中无机磷酸盐平衡与高磷血症
- 批准号:
26293204 - 财政年份:2014
- 资助金额:
$ 11.9万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Identification of responsible gene(s) for congenital heart defect using the model mice of Down syndrome
使用唐氏综合症小鼠模型鉴定先天性心脏病的相关基因
- 批准号:
23791194 - 财政年份:2011
- 资助金额:
$ 11.9万 - 项目类别:
Grant-in-Aid for Young Scientists (B)
Nutrient transceptor;gate keepers of regulators of nutrient signaling
营养受体;营养信号调节器的看门人
- 批准号:
23650480 - 财政年份:2011
- 资助金额:
$ 11.9万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Inorganic phosphate transportsome and human disease
无机磷酸盐转运体与人类疾病
- 批准号:
17081013 - 财政年份:2005
- 资助金额:
$ 11.9万 - 项目类别:
Grant-in-Aid for Scientific Research on Priority Areas
Fibroblast growth factor 23 in renal phosphate reabsorption and vitamin D metabolism
成纤维细胞生长因子 23 在肾脏磷酸盐重吸收和维生素 D 代谢中的作用
- 批准号:
14370320 - 财政年份:2002
- 资助金额:
$ 11.9万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Hypophosphatemia : cDNA cloning of a Na^+-dependent phosphate co-transporter from human kidney
低磷血症:从人肾中克隆 Na+ 依赖性磷酸盐协同转运蛋白的 cDNA
- 批准号:
05670145 - 财政年份:1993
- 资助金额:
$ 11.9万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
Empirical Studies on the Administration and Finance of Metropolitan Areas in the Process of Urban Reconstruction
城市改造过程中都市圈行政财政实证研究
- 批准号:
61301075 - 财政年份:1986
- 资助金额:
$ 11.9万 - 项目类别:
Grant-in-Aid for Co-operative Research (A)
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一种新型巨蛋白介导近曲小管磷酸盐代谢并阐明磷酸盐相关的肾损伤机制。
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