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1 PSD ultrastructural features are also conserved.
2 PSD-95, a membrane-associated guanylate kinase, is the m
3 PSDs are unusual decarboxylase containing a pyruvoyl pro
5 find that the postsynaptic proteins PSD-93, PSD-95, and SAP102 differentially regulate excitatory sy
6 wn approach to simultaneously remove PSD-93, PSD-95, and SAP102, the MAGUKs previously shown to be re
8 based inhibitors of postsynaptic density-95 (PSD-95) can reduce ischemic brain damage and inflammator
9 cumbens for postsynaptic density protein 95 (PSD-95) and SAP90/PSD-95-associated protein 3, as well a
10 increase in postsynaptic density protein 95 (PSD-95) by overexpression caused correlated increases in
11 ing protein postsynaptic density protein 95 (PSD-95) stabilizes the surface expression of NMDARs.
13 ld protein, postsynaptic density protein 95 (PSD-95), a process that is deficient in the mouse model
16 ecifically, postsynaptic density protein-95 (PSD-95) was absolutely required for experience-dependent
17 teract with postsynaptic density protein-95 (PSD-95), a key scaffold protein that anchors NMDA recept
18 cking the guanylate kinase domain of PSD-95 (PSD-95(GK)), we analyzed the contribution of PSD-95 to f
19 d in cultured hippocampal cells expressing a PSD-95 mutant unable to undergo prolyl-isomerization, th
20 ynapse and illustrate a mechanism by which a PSD-associated K63-linkage-specific ubiquitin machinery
21 scover that SynGAP, one of the most abundant PSD proteins and a Ras/Rap GTPase activator, forms a hom
22 at PKC promotes synaptogenesis by activating PSD-95 phosphorylation directly through JNK1 and calcium
24 oteins (viz., GluR1, GluR4, NR1, PSD-95, and PSD-93), that TH cell somata and tapering neurites are a
27 creased overlap between immunostained AZ and PSD markers; in contrast, the SVZ-AZ spatial coupling is
28 tor dependent persistent changes of CDK5 and PSD-95 protein levels specifically within the stimulated
30 a significant reduction in spine density and PSD-95-positive synaptic puncta, a reduction of persiste
32 th postsynaptic glutamate receptor GluA4 and PSD-95 clusters was significantly impaired in du/du mice
33 conclusion, Rph3A interacts with GluN2A and PSD-95 forming a complex that regulates NMDARs stabiliza
41 (APP) metabolism, synaptic markers (SV2 and PSD-95), and targets of Fyn (Pyk2 and Tau) were studied
42 king of the synaptic proteins Syntaxin1a and PSD-95 and the TrkB and DCC receptors in Munc18-1(-/-) n
43 tic tectal neurons coexpressing tdTomato and PSD-95-GFP revealed that neurons were morphologically si
45 d depletes the number of membrane-associated PSD-95-like vertical filaments and transmembrane structu
47 ion reveals that the distance between the AZ-PSD distance is decreased by 30 nm, while electron micro
50 ibit reduced protein levels of the canonical PSD component PSD-95 in the brain, which stems from prot
52 rotein levels of the canonical PSD component PSD-95 in the brain, which stems from protein destabiliz
53 By interacting with PSD-95, Pin1 dampens PSD-95 ability to complex with NMDARs, thus negatively a
58 EphA7 essentially in postsynaptic densities (PSDs) of dendritic spines and shafts, and on some astroc
59 ciated with isolated postsynaptic densities (PSDs) suggests the PSD-associated postsynaptic plasma me
60 tion in vitro and in postsynaptic densities (PSDs) using FRET and EM, and examined how conformation r
66 el mRNA and protein in postsynaptic density (PSD) fractions of the hippocampus, a brain region involv
67 ation of PSD-95 to the postsynaptic density (PSD) is known to lead to synaptic maturation and strengt
68 oteome complexity, the postsynaptic density (PSD) proteome of zebrafish has lower complexity than mam
69 ere was an increase in postsynaptic density (PSD) thickness and an upregulation of GluA3 AMPA recepto
72 n to be present at the postsynaptic density (PSD) within excitatory glutamatergic neurons and regulat
74 itic spine density and postsynaptic density (PSD)-95 and spinophilin-positive clusters in the cortex
78 The slope of the power spectral density (PSD) of the optical fluctuations was calculated to deter
79 ine head diameter and post synaptic density (PSD) area, as well as an increase in overall synapse den
86 (+/-1.2) dB and pattern standard deviation (PSD) 1.6 (+/-0.3) dB (group I), and 36 eyes had VF defec
88 nges in mean and pattern standard deviation (PSD) from the mean baseline fields were compared between
89 as defined by VF pattern standard deviation (PSD) or glaucoma hemifield test (GHT) outside normal lim
91 viation (MD) and pattern standard deviation (PSD), were analyzed with multivariable regression models
92 (MD, r = 0.79), pattern standard deviation (PSD, r = 0.60), and number of locations that were worse
97 oreover, molecular replacement of endogenous PSD-95 with the S561A mutant blocks dendritic spine stru
98 by phosphatidylserine decarboxylase enzymes (PSD) as a suitable target for development of antimicrobi
103 minute-2 (Mdm2), the ubiquitin E3 ligase for PSD-95, which results in nuclear export and synaptic acc
104 AF6) is identified as a direct E3 ligase for PSD-95, which, together with the E2 complex Ubc13/Uev1a,
107 extinction-dependent changes in hippocampal PSD CaMKII expression and S831 GluA1 phosphorylation.
111 erlying structural and functional changes in PSD-95 that mediate its role in plasticity remain unclea
112 binding, Pin1 triggers structural changes in PSD-95, thus negatively affecting its ability to interac
113 nockdown of PSD-95 or in vivo as detected in PSD-95-KO mice, demonstrating that PSD-95 excludes STEP6
114 inally, the experience-dependent increase in PSD-95 is prevented by antagonism of the mGluR5 receptor
119 SD-95 are present in higher concentration in PSDs isolated from mice with a heterozygous deletion of
121 AMPARs rapidly enter stable 'nanodomains' in PSDs with lifetime >15 min, and do not accumulate in ext
123 ential regulation of PSD95 palmitoylation in PSDs resulting from the clustering of palmitoylating and
124 calization of EphA7, being preferentially in PSDs, and in perisynaptic astrocytic leaflets, provides
126 In contrast, 5-10% of bQD-AMPARs were in PSDs and 90-95% were extrasynaptic as previously observe
127 variations (n = 15; 2 subjects withdrew) in PSDs of both NA and RA samples were small (e.g., laser d
132 ked dimeric ligands, which potently inhibits PSD-95 and shows improved in vitro blood plasma stabilit
134 ching and transgenic mice expressing labeled PSD-95, we comparatively analyzed electrical and Ca(2+)
139 NMDA receptors, drives rapid, CYLD-mediated PSD-95 deubiquitination, mobilizing and depleting PSD-95
140 PSD-associated postsynaptic plasma membrane (PSD-PM) as one specific location of synaptic remodeling.
141 polyubiquitination, which markedly modifies PSD-95's scaffolding potentials, enables its synaptic ta
142 ion of BAI1 with MDM2 in the brain modulates PSD-95 levels and thereby regulates synaptic plasticity.
149 c density proteins (viz., GluR1, GluR4, NR1, PSD-95, and PSD-93), that TH cell somata and tapering ne
150 Therefore, it is possible that the NR2A/PSD-95 signaling complex has a role in adolescent MS eff
153 complex in part via the anchoring action of PSD-95, in which they constitutively affect each other's
156 , and sought to identify the neural basis of PSD-95-mediated memory maintenance using ex vivo immedia
157 uld improve the depression-like behaviors of PSD mice and upregulate the expression of BDNF in the hi
159 PSD-95(GK)), we analyzed the contribution of PSD-95 to fear memory formation and retrieval, and sough
161 arly loss of GluN1, prolonged development of PSD-95 and GluA2 into late childhood, protracted develop
162 mouse lacking the guanylate kinase domain of PSD-95 (PSD-95(GK)), we analyzed the contribution of PSD
163 ing proteins that bind to the PDZ domains of PSD-95 are present in higher concentration in PSDs isola
164 e PDZ (PSD-95, Discs-large, ZO-1) domains of PSD-95, the principal PSD scaffold, and can occupy as ma
176 on in the PSD is increased upon knockdown of PSD-95 or in vivo as detected in PSD-95-KO mice, demonst
181 Further elucidation of the mechanism of PSD may ultimately lead to specific targeted treatments.
184 r and bryostatin 1 induce phosphorylation of PSD-95 at the serine 295 residue, increase the levels of
185 clonal resolution using the change point of PSD detected by multivariate adaptive regression splines
187 ndomized controlled trials for prevention of PSD have shown that antidepressants significantly decrea
189 Bassoon puncta, together with a reduction of PSD-95 levels at dendritic spines, suggesting a reduced
190 l mechanistic insight into the regulation of PSD-95 in dendritic spine structural plasticity through
193 s the synaptic localization and stability of PSD-95 and links these events to changes in neuronal act
194 ockdown of PKC also reduced the synthesis of PSD-95 and the presynaptic protein synaptophysin by 30 a
195 in (Ca(2+)/CaM) binding to the N-terminus of PSD-95 mediates postsynaptic loss of PSD-95 and AMPARs d
199 mized controlled trials for the treatment of PSD have demonstrated the efficacy of antidepressants.
200 s can facilitate new pharmacological uses of PSD-95 inhibitors and further exploration of PSD-95 as a
202 rmation and activity-dependent modulation of PSDs is considered as one of the most basic molecular ev
203 r of silent synapses, diminishes the size of PSDs without changes in pre- or postsynaptic membrane, a
208 AR entry is limited by the occupancy of open PSD 'slots', our findings suggest that AMPARs rapidly en
212 ture that are similar to mice overexpressing PSD-95, a major scaffolding protein of postsynaptic dens
213 mulation of PKC and phosphorylated PSD-95 (p-PSD-95(S295)) coincided with an increased number of syna
214 and inducible counterparts, displays a PDZ (PSD-95/Dlg/ZO-1) domain located at its N terminus involv
215 Its alpha1 isoform binds to all three PDZ (PSD-95, Discs-large, ZO-1) domains of PSD-95, the princi
216 brane accumulation of PKC and phosphorylated PSD-95 (p-PSD-95(S295)) coincided with an increased numb
218 We used the essential role of Plasmodium PSD in yeast as a tool for screening a library of anti-m
221 arge, ZO-1) domains of PSD-95, the principal PSD scaffold, and can occupy as many as 15% of these PDZ
224 oylation of the immobilized scaffold protein PSD-95 nucleates domains at the postsynaptic plasma memb
226 o impaired synthesis of the synaptic protein PSD-95, suggesting that this phenomenon contributes to s
227 Here, we find that the postsynaptic proteins PSD-93, PSD-95, and SAP102 differentially regulate excit
229 set of postsynaptic glutamatergic proteins (PSD-95, GluA2, GluN1, GluN2A, GluN2B), calculated indice
231 knockdown approach to simultaneously remove PSD-93, PSD-95, and SAP102, the MAGUKs previously shown
234 ession of a dephosphomimetic of Mdm2 rescues PSD-95 ubiquitination, degradation and synapse eliminati
235 naptic density protein 95 (PSD-95) and SAP90/PSD-95-associated protein 3, as well as the levels of ph
237 n of the plasma membrane-associated scaffold PSD-95, which allows for transport of receptors to the p
238 We found that the postsynaptic scaffold PSD-95 (postsynaptic density protein 95) undergoes K63 p
250 ing both types of glutamate receptors at the PSD and are consistent with a structural model where MAG
251 ampal GluA1 levels remained unaltered at the PSD, but were reduced near the PSD and at perisynaptic s
252 of three interacting GAP/GEF proteins at the PSD, including the RasGAP Syngap1, the ArfGAP Agap2, and
253 dynamic anchoring mechanism of SynGAP at the PSD, our results also suggest a model for phase-transiti
254 esent study, we successfully established the PSD model using male C57BL/6 J mice by photothrombosis o
259 phosphorylated at Ser-773 and Ser-802 in the PSD fraction, and its phosphorylation by CDK5 and CaMKII
263 rinergic modulation of NMDA receptors in the PSD-95 mutants dramatically decreased the threshold of L
266 rate was <15%, higher FN rate increased the PSD (beta = 0.51 dB; P < 0.001), and the effect was slig
267 ltered at the PSD, but were reduced near the PSD and at perisynaptic sites of dendritic spines in ext
268 nGAP-alpha1 regulates the composition of the PSD by restricting binding to the PDZ domains of PSD-95.
270 SAP102 is the main representative of the PSD-95 family of postsynaptic MAGUK proteins during earl
271 at Egr-1 is a transcription repressor of the PSD-95 gene and is recruited to the PSD-95 promoter in r
277 d postsynaptic densities (PSDs) suggests the PSD-associated postsynaptic plasma membrane (PSD-PM) as
278 s, yet electron microscopy suggests that the PSD is highly crowded, potentially restricting the diffu
283 y is formed in a concerted reaction when the PSD proenzyme undergoes an endoproteolytic cleavage into
284 Moreover, tight protein packing within the PSD may modulate the synaptic dwell time of many TM prot
285 AP and GEF proteins are organized within the PSD signaling machinery, if they have overlapping intera
286 tructural analysis identified E17 within the PSD-95 N-terminus as important for binding to Ca(2+)/CaM
289 ordingly, increased binding of Ca(2+)/CaM to PSD-95 induced by a chronic increase in Ca(2+) influx is
293 Pin1 controls synaptic content of NMDARs via PSD-95 prolyl-isomerization and the expression of dendri
294 These results define the mechanism whereby PSDs begin their biochemical existence as proteases that
296 differential participation in complexes with PSD-95 and gephyrin, which may underlie its role in main
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