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1 APP binds the HIV-1 Gag polyprotein, retains it in lipid
2 APP-KO mice displayed a shorter APTT, but not PT, when m
3 APP-KO mice presented a higher number of circulating pla
4 n in amyloid precursor protein/presenilin 1 (APP/PS1) double-transgenic 3-mo-old mice after the occur
5 the amyloid precursor protein/presenilin 1 (APP/PS1) mouse model of AD amyloidosis on a Clu(+/+) or
7 n axonal transport, which induce an abnormal APP metabolism with important implications in neurodegen
10 nes that promote beta-amyloidogenesis in AD (APP, PSEN1/2, and APOE4) have primary effects on ELN fun
11 s post-translational modifications affecting APP accumulation, ubiquitination of cytodomain lysines m
12 re treated once with brain extract from aged APP tg mice and the culture medium was continuously supp
14 ynaptic and postsynaptic localization of all APP family members and could show that heterologous expr
15 loid beta precursor protein (APP) gene alter APP processing, either causing familial Alzheimer's dise
17 ntial role of sAPPalpha or other non-amyloid APP fragments as acute modulators of mitochondrial metab
20 her hand, blocks Egr-1-induced amyloidogenic APP processing but does not affect tau phosphorylation.
22 mary, this study identifies matriptase as an APP-cleaving enzyme, an activity that could have importa
23 lactate levels and memory performance in an APP/PS1 mouse model of AD, which progressively accumulat
28 We further demonstrate that matriptase and APP directly interact with each other and that matriptas
29 the intraneuronal accumulation of oAbeta and APP-CTFs and resultant lysosomal pathology at early stag
30 nic mice with this inhibitor reduces tau and APP cleavage, ameliorates synapse loss and augments long
31 sion also increased mRNA levels for TP53 and APP, effectors of TSPYL5 Furthermore, DNMT3L overexpress
32 gy-mediated regulation of BACE1 turnover and APP processing, thus building a foundation for future de
35 V mutation, the only recessive AD-associated APP mutation, shifted the preferential beta-cleavage sit
37 dentified a novel direct interaction between APP and the alpha2A-adrenergic receptor (alpha2AAR) that
39 peptidase (AEP), simultaneously cleaves both APP and tau, controlling the onset of pathogenesis of Al
40 ponse, this novel regulation of alpha2AAR by APP may have an impact on modulation of noradrenergic ac
42 flow restriction in the inferior vena cava, APP-KO mice, as well as chimeric mice with selective def
44 a-site APP cleaving enzyme 1 (BACE1) cleaves APP at minor Asp(1) site to generate C99 for amyloid bet
45 with each other and that matriptase cleaves APP at a specific arginine residue (Arg-102) both in vit
48 ble mutant (S226A) into 5XFAD mice decreases APP and tau proteolytic cleavage, attenuates AD patholog
49 nduced neurons effectively rescued defective APP processing, demonstrating the functional importance
51 man AD In this review, we evaluate different APP mouse models of AD, and review recent studies using
52 PP C-terminal lysines with arginine disrupts APP ubiquitination and that an increase in the number of
53 nd should stimulate new studies to elucidate APP-related targets suitable for pharmacological manipul
54 ble, shed matriptase form cleaves endogenous APP in SH-SY5Y cells and that this cleavage significantl
55 ther, these results suggest that endothelial APP functions as a vascular niche signal that negatively
58 gly recognized as an important crossroad for APP and these secretases, with major implications for AP
61 umulation of APP carboxylterminal fragments (APP-CTFs) and oligomeric amyloid beta (oAbeta) but no hi
63 ver, we demonstrated that soluble Abeta from APP/PS1 mice impairs neuronal cell proliferation using n
65 scriptional profiles of adult microglia from APP/PS1 mice and identified a role for RIPK1 in regulati
67 genic mice overexpressing in neurons a human APP gene harboring the APP(E693Q) (Dutch) mutation have
74 ne to valine substitution at position 673 in APP (A673V), or position 2 of the amyloid-beta (Abeta) s
75 hondrial biogenesis and synaptic activity in APP mice; and that SS31 may confer protective effects ag
77 preferential beta-cleavage site of BACE1 in APP from the Glu(11) site to the Asp(1) site both in mal
79 ting membrane, with a subsequent decrease in APP C-terminal fragment (CTF) content in secreted exosom
84 A in relation to the effects of mutations in APP as the APP proteolytic system has not been investiga
85 r's disease are associated with mutations in APP that increase toxic amyloidogenic cleavage of APP an
88 n induced by several agonists were normal in APP-deficient platelets, but the number of circulating p
91 to show decreased Abeta levels in plasma in APP A673T carriers and thus provides evidence that lower
92 tion of axonal transport and specifically in APP dynamics, which might link tau isoform imbalances wi
97 Furthermore, DNMT3L overexpression increased APP and PSD95 expression in differentiating neurons, whe
98 unction further supports a need to integrate APP and ELN relationships, including the role of amyloid
101 ite the several-fold increase in CAA levels, APP/PS1;Clu(-/-) mice had significantly less hemorrhage
103 tion, indicative of increased BACE1-mediated APP processing, in rodent neuroglial cultures and human
105 show that all mammalian APP family members (APP, APLP1, and APLP2) exhibit synaptogenic activity, in
106 , we administered SS31 to an AD mouse model (APP) over a period of 6 weeks, beginning when the APP mi
108 analysis revealed reduced full-length mutant APP and soluble/insoluble Abeta levels in the SS31-treat
109 Abeta levels and immunoreactivity of mutant APP and Abeta levels and (4) mitochondrial function by m
110 nced the lysosomal degradation of the mutant APP, and inhibited gamma-secretase cleavage of the mutan
111 nced the lysosomal degradation of the mutant APP, and inhibited gamma-secretase cleavage of the mutan
112 the effects of increased levels of neuronal APP or Abeta on mitochondrial metabolism and gene expres
113 DS and in Ts65DN mice; however, normalizing APP gene copy number in Ts65Dn mice fails to rescue plas
115 tic, with the discovery of a number of novel APP secretases (including delta- and eta-secretases, alt
116 calizing to synapses and genetic ablation of APP prevents both Abeta binding and Abeta-mediated synap
117 time was normal, and in vivo, the absence of APP did not alter thrombus formation in the femoral arte
118 have intraneuronal lysosomal accumulation of APP carboxylterminal fragments (APP-CTFs) and oligomeric
119 ) to reduce apoE expression in the brains of APP/PS1-21 mice homozygous for the APOE-epsilon4 or APOE
121 hat increase toxic amyloidogenic cleavage of APP and produce amyloid beta (Abeta) at the expense of s
123 ragment beta (C99), generated by cleavage of APP by beta-site APP cleaving enzyme 1 (BACE-1), is the
124 Gag promotes secretase-dependent cleavage of APP, resulting in the overproduction of toxic Abeta isof
127 s chimeric mice with selective deficiency of APP in blood cells, developed much larger thrombi than c
130 xic effects of Abeta depend on expression of APP and that the Abeta-mediated impairment of synaptic p
133 roposes that a small amphipathic fragment of APP, the amyloid beta-protein (Abeta), self-associates t
140 , where APP is highly expressed, the lack of APP leads to a dramatic increase in plasma membrane recr
141 he ACH, PSH and AMA in relation to levels of APP proteolytic fragments reported from AD-associated mu
144 eneration of Abeta and suggest modulation of APP expression as a therapy for AD.SIGNIFICANCE STATEMEN
145 f 3R tau favored the anterograde movement of APP vesicles, increasing anterograde run lengths and red
146 This effect closely mimics the phenotype of APP A673T, a recently discovered mutation that protects
149 BACE1 expression, as well as processing of APP and other neuronal substrates, was unaltered in 4CA
150 that indirectly modulate BACE processing of APP but spare other BACE substrates and achieve therapeu
152 Increased non-amyloidogenic processing of APP, but not Abeta, profoundly decreased respiration and
155 ation 1), an important negative regulator of APP translation and oligomerogenesis in the post-synapti
156 In this study, we investigated the role of APP in hemostasis and thrombosis, using APP knockout (KO
158 avage sites, suggesting that the sequence of APP and possibly other cleaved TM helices may be designe
159 eevec induces formation of a specific set of APP C-terminal fragments, also observed in cells express
164 evidence suggests that the accepted view of APP proteolysis by the canonical alpha-, beta-, and gamm
165 l lysosomal counts in brain of 12-months-old APP(E693Q) as compared with age-matched non-transgenic l
167 els of immature APP, supporting an effect on APP trafficking, concurrent with the observed increase i
171 on, by using anti-murine Abeta antibodies or APP knock-out mice, prevents the cGMP-dependent enhancem
173 vo AICD expression, ex vivo AICD delivery or APP knock-down by in utero electroporation of shRNAs wit
174 rk presents a unifying model for how PSEN or APP mutations enhance amyloidogenic Abeta production, su
179 (S226D) in young 3xTg mice strongly promotes APP and tau fragmentation and facilitates amyloid plaque
183 tases, cleave the amyloid precursor protein (APP) and modulate beta-amyloid (Abeta) peptide productio
184 that cleaves both amyloid precursor protein (APP) and tau, mediating the amyloid-beta and tau patholo
187 ents (CTF) of the amyloid precursor protein (APP) are present in cerebrospinal fluid (CSF) and their
190 l cleavage of the amyloid precursor protein (APP) by beta-site APP cleaving enzyme 1 (BACE1) and gamm
191 g of amyloid-beta (Abeta) precursor protein (APP) by gamma-secretase produces multiple species of Abe
192 tic processing of amyloid precursor protein (APP) C-terminal fragments (CTFs) by gamma-secretase unde
195 ATEMENT beta-Site amyloid precursor protein (APP) cleaving enzyme 1 (BACE1) trafficking and synaptic
197 Mutations in amyloid beta precursor protein (APP) gene alter APP processing, either causing familial
201 processing of the amyloid precursor protein (APP) into Abeta peptides, which have been implicated as
202 suggests that the amyloid precursor protein (APP) intracellular C-terminal fragment beta (C99), gener
203 disease (AD), the amyloid precursor protein (APP) is cleaved by beta-secretase to generate a 99-aa C-
204 mbrane-associated amyloid precursor protein (APP) is highly expressed in macrophages and microglia, a
206 s occurring while amyloid precursor protein (APP) is trafficking through the early secretory pathway.
207 ns (PSEN) and the amyloid precursor protein (APP) lead to production of longer amyloidogenic Abeta pe
208 ypotheses and the amyloid precursor protein (APP) matrix approach (AMA), of which the ACH has held a
209 nd BACE-1-cleaved amyloid precursor protein (APP) metabolites (secreted APPbeta, C99, Abeta40, and Ab
210 and lysosomes in amyloid precursor protein (APP) processing and clearance, and the pathologic effect
211 e exhibit altered amyloid precursor protein (APP) processing, abnormally increased production of amyl
213 this site of amyloid beta precursor protein (APP) reduced C99 generation and decreased the C99/C89 ra
214 vidence links the amyloid precursor protein (APP) to Alzheimer's disease (AD) and several theories ha
215 roinflammation in amyloid precursor protein (APP) transgenic mice are worsened by astroglial NF-kappa
219 roteolysis of the amyloid precursor protein (APP), first by the action of beta-secretase, generating
220 ntial cleavage of amyloid precursor protein (APP), is a critical step in the pathogenesis of Alzheime
224 mice that express amyloid precursor protein (APP), which is duplicated in DS and in Ts65DN mice; howe
230 scovered that, in amyloid precursor protein (APP)/presenilin-1 (PS1) mice (age 3-4 mo), a prominent m
231 e-bound beta-site amyloid precursor protein-(APP) cleaving enzyme (BACE1) from the endolysosomal path
234 he results demonstrate that APP673 regulates APP processing and the BACE1 cleavage site selection is
235 he results demonstrate that APP673 regulates APP processing, and the BACE1 cleavage site selection is
238 functions are mediated by both the secreted APP ectodomain that acts as a neurotrophic factor and fu
240 n memory and LTP is dependent upon APP since APP-KO mice were resistant to oAbeta- and oTau-induced d
241 ), generated by cleavage of APP by beta-site APP cleaving enzyme 1 (BACE-1), is the primary cause of
244 development.SIGNIFICANCE STATEMENT beta-site APP cleaving enzyme 1 (BACE1) is essential for amyloid b
249 (APP) and its extracellular domain, soluble APP alpha (sAPPalpha) play important physiological and n
252 ncovers a new pathway that controls synaptic APP processing by enhancing axonal BACE1 trafficking, th
254 ecause some therapeutic interventions target APP processing (e.g., BACE inhibitors), those strategies
260 tanding of the roles these fragments and the APP proteolytic system as a whole in normal aging and di
261 on to the effects of mutations in APP as the APP proteolytic system has not been investigated systema
262 rotective signaling pathway initiated by the APP transcriptionally active intracellular domain (AICD)
263 e this effect, we combined mice carrying the APP/PS1 transgene array that develop plaques with rTg451
264 ments, also observed in cells expressing the APP protective mutation and in cells exposed to a conven
265 ng in neurons a human APP gene harboring the APP(E693Q) (Dutch) mutation have intraneuronal lysosomal
266 ave described a novel C-to-T mutation in the APP gene that corresponds to an alanine to valine substi
267 nicillin or cephalosporin use overall in the APP period (aOR, 1.8; 95% CI, 1.1-2.9) and in a per-prot
269 d that neurogenesis is affected early in the APP/PS1 hippocampus, as evidenced by a significant decre
270 enhances Abeta production by increasing the APP/BACE-1 convergence in endolysosomal compartments.
271 Two homologs of APP exist in mammals: the APP like proteins APLP1 and APLP2, exhibiting functions
272 pable of accommodating the complexity of the APP proteolytic system is required to integrate availabl
274 driver that targets functional cargos to the APP machinery and can be used as a tool to study the con
279 Notably, the core genes were connected to APP (encoding amyloid beta precursor protein), a major p
281 ostnatal Abeta precursor protein transgenic (APP tg) mice, Abeta deposition emerged in HSCs when cult
282 function was maintained in the SS31-treated APP mice over the 6 weeks of SS31 treatment compared wit
286 er dimerization between mutant and wild-type APP, enhanced the lysosomal degradation of the mutant AP
287 er dimerization between mutant and wild-type APP, enhanced the lysosomal degradation of the mutant AP
291 and oTau on memory and LTP is dependent upon APP since APP-KO mice were resistant to oAbeta- and oTau
294 zheimer's disease (AD)-related rare variants APP A673T and ABCA7 rs200538373-C with the levels of bet
295 IV-associated neurocognitive disorders where APP misprocessing to amyloid beta formation has been obs
296 mitochondrial perturbations in models where APP is overexpressed, and a potential role of sAPPalpha
297 ry superior cervical ganglion neurons, where APP is highly expressed, the lack of APP leads to a dram
298 which might link tau isoform imbalances with APP abnormal metabolism in neurodegenerative processes.
299 nesis but also as the essential partner with APP and its metabolites that drive the development of AD
300 tological measures of tau pathology in young APP/PS1-rTg4510 mice and an increase in high-molecular-w
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