Mechanisms of lipid metabolism disorder in diabetic brain
Mechanisms of lipid metabolism disorder in diabetic brain
批准号:
23689047
负责人:
SUZUKI Ryo
金额:
$16.22万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Young Scientists (A)
财政年份:
2011
资助国家:
日本
项目状态:
已结题
起止时间:
2011 至 2012
中文摘要
stz诱导的重度糖尿病小鼠模型脑组织中甾醇传感分子SCAP减少。小鼠大脑中Scap基因的纯合子破坏导致与小头畸形相关的围产期死亡率。大脑中Scap单倍体不足的小鼠显示出大脑胆固醇合成的减少,与糖尿病小鼠的情况相似。这导致突触传递受损,通过长期增强减弱来测量,并与行为和认知变化有关。因此,SCAP的减少和随之而来的大脑中胆固醇合成的抑制可能在糖尿病状态下观察到的认知衰退率增加中起重要作用。
英文摘要
Decrease of SCAP, a sterol sensor molecule, was observed in the brain of STZ-induced severe diabetes mouse model. Homozygous disruption of the Scap gene in the brains of mice caused perinatal lethality associated with microcephaly. Mice with haploinsufficiency of Scap in the brain showed reduction in brain cholesterol synthesis, similar to what was observed in diabetic mice. This resulted in impaired synaptic transmission, as measured by decreased long-term potentiation, and was associated with behavioral and cognitive changes. Thus, reduction of SCAP and the consequent suppression of cholesterol synthesis in the brain may play an important role in the increased rates of cognitive decline observed in diabetic states.
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糖尿病は脳においてステロールセンサー分子SCAPを減少させ内分泌異常・行動異常を惹起する
糖尿病会减少大脑中的甾醇传感器分子SCAP,导致内分泌和行为异常。
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
[鈴木亮, 他]
通讯作者:
他
ステロールセンサー分子SCAPは糖尿病の脳で減少し認知機能と摂食行動に影響する
糖尿病大脑中甾醇传感器分子 SCAP 减少并影响认知功能和饮食行为
DOI:
--
发表时间:
2012
期刊:
影响因子:
--
作者:
[鈴木亮, 他]
通讯作者:
他
The Cholesterol sensor SCAP is reduced in brains of diabetic mice and alters cognitive function.
糖尿病小鼠大脑中的胆固醇传感器 SCAP 减少并改变认知功能。
DOI:
--
发表时间:
2012
期刊:
影响因子:
--
作者:
[Takeuchi K, et al, Ryo Suzuki et al.]
通讯作者:
Ryo Suzuki et al.
Breakfast Symposium 3 : Cognitive dysfunction as a rising complication of diabetes
早餐研讨会 3:认知功能障碍是糖尿病日益增加的并发症
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
[Okuda H, Kawaguchi M, Kanai A, Matsui H, Kawamura T, Inaba T, Kitabayashi I, Yokoyama A, 斉木臣二, Ryo Suzuki]
通讯作者:
Ryo Suzuki
Symposium S09 Central nervous system and control of food intake and energy balance : Diabetes affects brain cholesterol metabolism
研讨会S09中枢神经系统与食物摄入和能量平衡的控制:糖尿病影响脑胆固醇代谢
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
[Nakamura-Ishizu A, Takubo K, Fujioka M, Suda T., Yokoyama A, 斉木臣二, Ryo Suzuki]
通讯作者:
Ryo Suzuki
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