登録情報 データベース : EMDB / ID : EMD-15771 ダウンロードとリンクタイトル Type II amyloid-beta 42 filaments from high-spin supernatants of aqueous extracts from Alzheimer's disease brains | ABeta42 マップデータ 詳細 試料組織 : Type II amyloid-beta 42 filaments in soluble high-molecular weight aggregate fractions extracted from Alzheimer's disease brainタンパク質・ペプチド : Amyloid-beta precursor protein 詳細 キーワード amyloid / filaments / Abeta42 / amyloid-beta / cryo-EM / PROTEIN FIBRIL機能・相同性 機能・相同性情報分子機能 ドメイン・相同性 構成要素
amyloid-beta complex / negative regulation of presynapse assembly / cytosolic mRNA polyadenylation / collateral sprouting in absence of injury / microglia development / synaptic assembly at neuromuscular junction / Formyl peptide receptors bind formyl peptides and many other ligands / regulation of Wnt signaling pathway / regulation of synapse structure or activity / axo-dendritic transport ... amyloid-beta complex / negative regulation of presynapse assembly / cytosolic mRNA polyadenylation / collateral sprouting in absence of injury / microglia development / synaptic assembly at neuromuscular junction / Formyl peptide receptors bind formyl peptides and many other ligands / regulation of Wnt signaling pathway / regulation of synapse structure or activity / axo-dendritic transport / axon midline choice point recognition / smooth endoplasmic reticulum calcium ion homeostasis / astrocyte activation involved in immune response / NMDA selective glutamate receptor signaling pathway / mating behavior / regulation of spontaneous synaptic transmission / ciliary rootlet / Golgi-associated vesicle / Lysosome Vesicle Biogenesis / PTB domain binding / Insertion of tail-anchored proteins into the endoplasmic reticulum membrane / positive regulation of amyloid fibril formation / neuron remodeling / Deregulated CDK5 triggers multiple neurodegenerative pathways in Alzheimer's disease models / nuclear envelope lumen / COPII-coated ER to Golgi transport vesicle / suckling behavior / dendrite development / positive regulation of protein metabolic process / modulation of excitatory postsynaptic potential / TRAF6 mediated NF-kB activation / presynaptic active zone / signaling receptor activator activity / Advanced glycosylation endproduct receptor signaling / The NLRP3 inflammasome / neuromuscular process controlling balance / negative regulation of long-term synaptic potentiation / regulation of multicellular organism growth / transition metal ion binding / intracellular copper ion homeostasis / regulation of presynapse assembly / negative regulation of neuron differentiation / ECM proteoglycans / spindle midzone / positive regulation of T cell migration / smooth endoplasmic reticulum / Purinergic signaling in leishmaniasis infection / forebrain development / positive regulation of chemokine production / clathrin-coated pit / Notch signaling pathway / positive regulation of G2/M transition of mitotic cell cycle / extracellular matrix organization / neuron projection maintenance / Mitochondrial protein degradation / ionotropic glutamate receptor signaling pathway / positive regulation of mitotic cell cycle / response to interleukin-1 / cholesterol metabolic process / protein serine/threonine kinase binding / positive regulation of calcium-mediated signaling / axonogenesis / platelet alpha granule lumen / learning / adult locomotory behavior / positive regulation of glycolytic process / central nervous system development / dendritic shaft / positive regulation of long-term synaptic potentiation / positive regulation of interleukin-1 beta production / trans-Golgi network membrane / endosome lumen / locomotory behavior / astrocyte activation / positive regulation of JNK cascade / Post-translational protein phosphorylation / microglial cell activation / serine-type endopeptidase inhibitor activity / regulation of long-term neuronal synaptic plasticity / positive regulation of non-canonical NF-kappaB signal transduction / synapse organization / TAK1-dependent IKK and NF-kappa-B activation / visual learning / neuromuscular junction / recycling endosome / positive regulation of interleukin-6 production / Golgi lumen / cognition / neuron cellular homeostasis / endocytosis / positive regulation of inflammatory response / Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs) / neuron projection development / cellular response to amyloid-beta / G2/M transition of mitotic cell cycle / positive regulation of tumor necrosis factor production / apical part of cell / synaptic vesicle / Platelet degranulation / cell-cell junction 類似検索 - 分子機能 Amyloidogenic glycoprotein, copper-binding / Amyloidogenic glycoprotein, copper-binding domain conserved site / Amyloidogenic glycoprotein, copper-binding domain superfamily / Copper-binding of amyloid precursor, CuBD / Amyloid precursor protein (APP) copper-binding (CuBD) domain signature. / Amyloidogenic glycoprotein, amyloid-beta peptide superfamily / Beta-amyloid peptide (beta-APP) / Amyloidogenic glycoprotein, amyloid-beta peptide / Beta-amyloid precursor protein C-terminal / Amyloidogenic glycoprotein, intracellular domain, conserved site ... Amyloidogenic glycoprotein, copper-binding / Amyloidogenic glycoprotein, copper-binding domain conserved site / Amyloidogenic glycoprotein, copper-binding domain superfamily / Copper-binding of amyloid precursor, CuBD / Amyloid precursor protein (APP) copper-binding (CuBD) domain signature. / Amyloidogenic glycoprotein, amyloid-beta peptide superfamily / Beta-amyloid peptide (beta-APP) / Amyloidogenic glycoprotein, amyloid-beta peptide / Beta-amyloid precursor protein C-terminal / Amyloidogenic glycoprotein, intracellular domain, conserved site / Beta-amyloid precursor protein C-terminus / Amyloid precursor protein (APP) intracellular domain signature. / Amyloidogenic glycoprotein, extracellular / Amyloidogenic glycoprotein, heparin-binding / Amyloidogenic glycoprotein, E2 domain / E2 domain superfamily / Amyloidogenic glycoprotein, heparin-binding domain superfamily / Amyloid A4 N-terminal heparin-binding / E2 domain of amyloid precursor protein / Amyloid precursor protein (APP) E1 domain profile. / Amyloid precursor protein (APP) E2 domain profile. / amyloid A4 / Amyloidogenic glycoprotein / Proteinase inhibitor I2, Kunitz, conserved site / Pancreatic trypsin inhibitor (Kunitz) family signature. / BPTI/Kunitz family of serine protease inhibitors. / Pancreatic trypsin inhibitor Kunitz domain / Kunitz/Bovine pancreatic trypsin inhibitor domain / Pancreatic trypsin inhibitor (Kunitz) family profile. / Pancreatic trypsin inhibitor Kunitz domain superfamily / PH-like domain superfamily 類似検索 - ドメイン・相同性生物種 Homo sapiens (ヒト)手法 らせん対称体再構成法 / クライオ電子顕微鏡法 / 解像度 : 3.7 Å 詳細 データ登録者Yang Y / Stern MA / Meunier LA / Liu W / Cai YQ / Ericsson M / Liu L / Selkoe JD / Goedert M / Scheres HWS 資金援助 英国, 3件 詳細 詳細を隠すOrganization Grant number 国 Medical Research Council (MRC, United Kingdom) MC_UP_1201/25 英国 Medical Research Council (MRC, United Kingdom) MC_UP_A025_1013 英国 Medical Research Council (MRC, United Kingdom) MC_U105184291 英国
引用ジャーナル : Neuron / 年 : 2023タイトル : Abundant Aβ fibrils in ultracentrifugal supernatants of aqueous extracts from Alzheimer's disease brains.
著者 :
Andrew M Stern / Yang Yang / Shanxue Jin / Keitaro Yamashita / Angela L Meunier / Wen Liu / Yuqi Cai / Maria Ericsson / Lei Liu / Michel Goedert / Sjors H W Scheres / Dennis J Selkoe / 要旨 :
Soluble oligomers of amyloid β-protein (Aβ) have been defined as aggregates in supernatants following ultracentrifugation of aqueous extracts from Alzheimer's disease (AD) brains and are believed ... Soluble oligomers of amyloid β-protein (Aβ) have been defined as aggregates in supernatants following ultracentrifugation of aqueous extracts from Alzheimer's disease (AD) brains and are believed to be upstream initiators of synaptic dysfunction, but little is known about their structures. We now report the unexpected presence of Aβ fibrils in synaptotoxic high-speed supernatants from AD brains extracted by soaking in an aqueous buffer. The fibrils did not appear to form during preparation, and their counts by EM correlated with Aβ ELISA quantification. Cryo-EM structures of aqueous Aβ fibrils were identical to those from sarkosyl-insoluble homogenates. The fibrils in aqueous extracts were labeled by lecanemab, an Aβ aggregate-directed antibody reported to improve AD cognitive outcomes. Lecanemab provided protection against aqueous fibril synaptotoxicity. We conclude that fibrils are abundant in aqueous extracts from AD brains and have the same structures as those from plaques. These findings have implications for AD pathogenesis and drug design. 残り1件を表示 表示を減らす履歴 登録 2022年9月6日 - ヘッダ(付随情報) 公開 2022年11月2日 - マップ公開 2022年11月2日 - 更新 2024年7月24日 - 現状 2024年7月24日 処理サイト : PDBe / 状態 : 公開
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