Role chemoattractant receptors in inflammatory aspects o
Role chemoattractant receptors in inflammatory aspects o
批准号:
7338803
负责人:
JI MING WANG
金额:
$0.0万
依托单位国家:
美国
项目类别:
财政年份:
--
资助国家:
美国
项目状态:
未结题
起止时间:
至
中文摘要
我们发现,受体FPRL1识别与阿尔茨海默病相关的淀粉样β蛋白多肽,并促进大脑中的促炎反应。我们使用小鼠FPRL1的对应物mFPR2作为模型,进一步了解该受体在疾病进展中的作用。我们发现,小胶质细胞中的mFPR2,即大脑中的巨噬细胞,被各种促炎刺激剂上调,包括模式识别受体和细胞因子的激动剂。小胶质细胞上mFPR2的表达增加增强了细胞对内吞淀粉样β蛋白的能力,因此该受体可能深刻地影响疾病的进展。
英文摘要
We have found that the receptor FPRL1 recognizes Alzheimer's disease-associated amyloid beta peptides and promotes proinflammatory responses in the brain. We used mouse FPRL1 counterpart mFPR2 as a model for further understanding of the receptor in the progression of the disease. We found that mFPR2 in microglial cells, the macrophages in the brain, is upregulated by diverse proinflammatory stimulants, including agonists for the pattern recognition receptors and cytokines. Increased expression of mFPR2 on microglial cells enhances the capacity of the cells to endocytose amyloid beta peptide, therefore the receptor may profoundly affect the progression of the disease.
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