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 / growth cone lamellipodium / cellular response to norepinephrine stimulus / collateral sprouting in absence of injury / growth cone filopodium / microglia development / Formyl peptide receptors bind formyl peptides and many other ligands / regulation of Wnt signaling pathway / axo-dendritic transport / axon midline choice point recognition ... amyloid-beta complex / growth cone lamellipodium / cellular response to norepinephrine stimulus / collateral sprouting in absence of injury / growth cone filopodium / microglia development / Formyl peptide receptors bind formyl peptides and many other ligands / regulation of Wnt signaling pathway / axo-dendritic transport / axon midline choice point recognition / hippocampal neuron apoptotic process / regulation of synapse structure or activity / astrocyte activation involved in immune response / NMDA selective glutamate receptor signaling pathway / regulation of spontaneous synaptic transmission / mating behavior / growth factor receptor binding / peptidase activator activity / Insertion of tail-anchored proteins into the endoplasmic reticulum membrane / positive regulation of amyloid fibril formation / Golgi-associated vesicle / PTB domain binding / astrocyte projection / Lysosome Vesicle Biogenesis / Deregulated CDK5 triggers multiple neurodegenerative pathways in Alzheimer's disease models / neuron remodeling / nuclear envelope lumen / TRAF6 mediated NF-kB activation / dendrite development / positive regulation of protein metabolic process / signaling receptor activator activity / negative regulation of long-term synaptic potentiation / Advanced glycosylation endproduct receptor signaling / transition metal ion binding / The NLRP3 inflammasome / modulation of excitatory postsynaptic potential / regulation of multicellular organism growth / main axon / intracellular copper ion homeostasis / ECM proteoglycans / response to insulin-like growth factor stimulus / positive regulation of T cell migration / regulation of presynapse assembly / neuronal dense core vesicle / Purinergic signaling in leishmaniasis infection / cellular response to manganese ion / Notch signaling pathway / positive regulation of chemokine production / swimming behavior / neuron projection maintenance / extracellular matrix organization / clathrin-coated pit / positive regulation of mitotic cell cycle / axonogenesis / Mitochondrial protein degradation / positive regulation of calcium-mediated signaling / ionotropic glutamate receptor signaling pathway / platelet alpha granule lumen / astrocyte activation / response to interleukin-1 / cellular response to cAMP / regulation of neuron apoptotic process / cellular response to copper ion / positive regulation of glycolytic process / endosome lumen / trans-Golgi network membrane / positive regulation of interleukin-1 beta production / protein serine/threonine kinase binding / dendritic shaft / positive regulation of long-term synaptic potentiation / learning / central nervous system development / Post-translational protein phosphorylation / adult locomotory behavior / serine-type endopeptidase inhibitor activity / locomotory behavior / microglial cell activation / cellular response to nerve growth factor stimulus / positive regulation of non-canonical NF-kappaB signal transduction / TAK1-dependent IKK and NF-kappa-B activation / synapse organization / visual learning / recycling endosome / positive regulation of interleukin-6 production / positive regulation of JNK cascade / Golgi lumen / response to lead ion / regulation of long-term neuronal synaptic plasticity / cognition / Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs) / cellular response to amyloid-beta / endocytosis / neuron projection development / positive regulation of tumor necrosis factor production / positive regulation of inflammatory response / calcium ion transport / Platelet degranulation / regulation of translation / heparin binding / regulation of gene expression 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, heparin-binding / Amyloid A4 N-terminal heparin-binding / Amyloidogenic glycoprotein, amyloid-beta peptide superfamily / Beta-amyloid peptide (beta-APP) / Amyloidogenic glycoprotein, amyloid-beta peptide ... 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, heparin-binding / Amyloid A4 N-terminal heparin-binding / 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, E2 domain / E2 domain superfamily / Amyloidogenic glycoprotein, heparin-binding domain superfamily / 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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