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1 AHP current did not have time to decay between action po
2 AHP dUTP is a versatile clickable nucleotide with potent
3 AHP expression appears unaffected by Mn(II), yet the lar
4 AHP is blocked by 6-cyano-7-nitroquinoxaline-2,3-dione (
5 AHP is blocked by Li+o substitution for Na+o and by ouab
6 AHP is seen in dissociated horizontal cells (HCs) and hy
7 AHP never occurs in depolarizing, or ON type, bipolar ce
8 AHP occurs only in neurons that are depolarized by gluta
9 AHPs triggered with theta-burst firing every 30 s were p
10 osteric 4-(aminomethyl)-1-hydroxypyrazole (4-AHP) analogues of muscimol, a GABA(A) receptor agonist,
13 examined how changes in PIP2 levels affected AHPs, somatic [Ca(2+) ]i , and whole cell Ca(2+) current
14 is terminated by an afterhyperpolarization (AHP) that displays two main components; the medium AHP (
16 Medians of AP and afterhyperpolarization (AHP) durations and AP overshoots were significantly grea
17 es in the post-burst afterhyperpolarization (AHP) and spike-frequency accommodation, is altered durin
20 ng, sodium-dependent afterhyperpolarization (AHP) following bursts of action potentials that was medi
21 the Ca2+ -dependent afterhyperpolarization (AHP) following spike trains is significantly larger duri
22 to the long lasting afterhyperpolarization (AHP) that follows an action potential in many central ne
24 ad larger and longer afterhyperpolarization (AHP) as well as slower frequency-responses to depolarizi
26 BK channel mediated afterhyperpolarization (AHP), repetitive spiking is maintained, through the incr
29 on, the amplitude of afterhyperpolarization (AHP) and the pattern of AP firing; SLO-2 is also importa
30 ion of the postburst afterhyperpolarization (AHP) have been repeatedly demonstrated in multiple brain
31 ons of the postburst afterhyperpolarization (AHP) in hippocampal pyramidal neurons have been shown ex
33 del with a postspike afterhyperpolarization (AHP), but absent from those calculated from the discharg
34 Action potential afterhyperpolarization (AHP) enhances precision of firing by ensuring that the i
35 lowed by a prolonged afterhyperpolarization (AHP) that influences firing frequency and affects neuron
37 a slowly recovering afterhyperpolarization (AHP), but, unlike in cortical cells, this AHP is not pri
39 the apamin-sensitive afterhyperpolarization (AHP) in rat superior cervical ganglion (SCG) neurones.
40 with increased slow afterhyperpolarization (AHP) potential, whereas vulnerability was associated wit
41 rges and of the slow afterhyperpolarization (AHP) that follows, as occur in vivo with contrast adapta
42 a depression of the afterhyperpolarization (AHP) and an increase in frequency of evoked and spontane
43 ngs, we examined the afterhyperpolarization (AHP) in CA1 pyramidal cells in hippocampal slices from y
46 y calcium-dependent afterhyperpolarizations (AHPs) following a train of action potentials that are cr
48 r lasting postburst afterhyperpolarizations (AHPs) and greater spike frequency adaptation (accommodat
50 approximately 20 s) afterhyperpolarizations (AHPs) that were insensitive to blockade of voltage-gated
61 P current (I(AHP)) was insufficient to block AHP plasticity, suggesting that plasticity is manifested
63 amplicon with all 335 thymidines replaced by AHP dU was shown to be a perfect copy of the template fr
64 hat adult hippocampal stem/progenitor cells (AHPs) express receptors and signalling components for Wn
65 equently, the levels of IgG anti-dsDNA, CR1, AHP, or C3b on both erythrocytes and U937 cells were mea
67 erically undemanding azide analogue of dTTP (AHP dUTP) with an alkyl chain and ethynyl attachment to
68 ned that an apamin-sensitive medium-duration AHP (mAHP) and an apamin-insensitive slow AHP (sAHP) wer
72 onses/no. of stimuli) by using the estimated AHP to create a fixed threshold 'daughter' model MN to m
75 We therefore suggest that the large, fast AHP is a key feature of BD and a main contributor to the
77 through BK channels, contributes to the fast AHP and appears to offset the DAP; this current is sensi
78 ng, we isolated T-DNA insertions in the five AHP genes that are predicted to encode functional HPts a
79 assays, indicating both a positive role for AHPs in cytokinin signaling and functional overlap among
81 of Wnt signalling reduces neurogenesis from AHPs in vitro and abolishes neurogenesis almost complete
83 decay times (24.67 vs. 11.02 ms) and greater AHP amplitudes (3.27 vs. 1.56 mV) than MNs lacking SK3-i
85 ies propose that anosognosia for hemiplegia (AHP) results from specific impairments in motor planning
86 ium (SK2) channels, also reduced hippocampal AHPs and closely reproduced the effects of BDNF on theta
88 ne (3AT) and 4-amino-3-hydroxyphenylalanine (AHP), markers for 2-CysDopa and 5-CysDopa, respectively,
89 contributing to the after-hyperpolarisation (AHP) and spike repolarisation; a slower prolonged Ba(2+)
90 rst, the model MN's after-hyperpolarisation (AHP) was deduced from its interval histogram for tonic f
91 nels mediate medium after-hyperpolarization (AHP) conductances in neurons throughout the central nerv
92 nd amplitude of the after-hyperpolarization (AHP), without affecting the pre- and postsynaptic membra
95 s and long-lasting after-hyperpolarizations (AHPs), mediated by calcium-activated, cyclic AMP-sensiti
97 ed fast and medium after-hyperpolarizations (AHPs); (iv) strongly enhanced burst firing and increased
98 hannels that underlie after hyperpolarizing (AHP) currents and contribute to the shaping of the firin
100 onditions, calcium-activated K(+) current (I(AHP)) improved efficient spike-rate coding at the expens
101 ckade of the apamin-sensitive AHP current (I(AHP)) was insufficient to block AHP plasticity, suggesti
102 o the distinct activation requirements for I(AHP) and I(M), which in turn dictate whether those curre
103 mical systems analysis, we demonstrate how I(AHP) minimizes perturbation of the interspike interval c
105 d on their distinct activation properties, I(AHP) implements noise shaping that improves spike-rate c
107 stration that altered awareness of action in AHP reflects a dominance of motor intention prior to act
109 spontaneous activity but not in decreases in AHP duration and (2) suggest clinical advantages of redu
110 KGluc, repetitive theta-burst firing induced AHP plasticity that mimics learning-related reduction in
113 ng was governed by a fast apamin-insensitive AHP current that did not accumulate, but rather showed d
114 uced findings, we propose that the intrinsic AHP level might determine the degree of synaptic plastic
116 ce cell train" generated small, long-lasting AHPs capable of reducing neuronal excitability for many
117 mmunoreactivity exhibit significantly longer AHP half-decay times (24.67 vs. 11.02 ms) and greater AH
119 mechanism (reduction in SK channel-mediated AHP) that led to the learning-induced increased intrinsi
122 influenced by the SK channel-mediated medium AHP (mAHP), because the SK blocker apamin reduced the sh
123 l cord may contribute to the range of medium AHP durations across specific MN functional types and ma
124 currents generate an apamin-sensitive medium AHP (mAHP) after each AP; and bursts of APs generate lon
125 hat displays two main components; the medium AHP (I(mAHP)), lasting a few hundred milliseconds and th
126 threshold hyperpolarized 6.7 mV, the medium AHP became faster and shallower, and a fast AHP emerged.
127 distinguishable currents known as the medium AHP current (I(mAHP)) and the slow AHP current (I(sAHP))
129 ccessful, while ET in a patient with a minor AHP was corrected by performing a bimedial recession.
130 anipulations of PIP2 levels did not modulate AHPs by influencing Ca(2+) release from IP3 -triggered C
131 ctivation of GluR6-containing KARs modulates AHP amplitude, and influences the firing frequency of py
134 hannels results in the generation of a novel AHP not seen in wild-type Purkinje neurons that also acc
135 ) and adaptive hierarchically penalized NSC (AHP-NSC), with two different penalty functions for micro
136 these to the time course and accumulation of AHP currents using whole-cell and perforated patch recor
139 membrane properties, and on the induction of AHP plasticity in CA1 pyramidal neurons from rat hippoca
141 current models indicating relocalization of AHP protein into the nucleus in response to cytokinin ar
145 or IP3 availability, i.e. PIP2 modulation of AHPs is not likely to involve downstream Ca(2+) release
147 We examined the effects of cytokinin on AHP subcellular localization in Arabidopsis and, contrar
152 e and that of histidine phosphotransferases (AHPs) in guard cell signalling remain to be fully elucid
154 tically significant differences in postburst AHPs or accommodation, indicating that similar levels of
157 adopt a significant anomalous head posture (AHP) towards the fixing eye in order to dampen the nysta
159 ing, reduced afterhyperpolarizing potential (AHP) and increased slow afterdepolarization amplitudes (
160 tude of the after-hyperpolarizing potential (AHP) following a train of spikes and the underlying apam
161 uction of afterhyperpolarization potentials (AHPs) in hippocampal CA1 cells, suggesting a direct role
162 iferating adult hippocampal stem/progenitor (AHP) progeny and lead to the exclusive generation of cel
164 thaliana histidine phosphotransfer proteins (AHPs) are similar to bacterial and yeast histidine phosp
165 bidopsis histidine phosphotransfer proteins (AHPs), which have been suggested to translocate to the n
168 reover, our results suggest that the reduced AHP is related to a down-regulation of SK2/SK3 channel s
170 Pyramidal cells of layer V exhibit robust AHP currents composed of two kinetically and pharmacolog
171 hat the longest component of the GP neuron's AHP is blocked by apamin, a selective antagonist of calc
172 e prolonged discharge was a slow (12-75 sec) AHP that was associated with an increase in membrane con
177 ward calcium-activated potassium current (sI(AHP)), a major constituent of the AHP, also facilitate l
180 ng neurons were found to have an enhanced sI(AHP,) the amplitude of which was significantly correlate
181 n in young neurons; however, the residual sI(AHP) was still significantly larger in aging neurons tha
182 ning, suggest that the enhancement of the sI(AHP) in aging is a mechanism that contributes to age-rel
183 quantitatively greater reductions in the sI(AHP) in aging neurons than in young neurons; however, th
184 pe Ca2+ channels, we further examined the sI(AHP) in the presence of an L-type Ca2+ channel blocker,
185 facilitate learning in aging animals, the sI(AHP) was pharmacologically isolated and characterized.
187 In typical patients who adopt a significant AHP accompanied by a large ET, we suggest an initial com
188 ppocampal pyramidal cells reveal that a slow AHP is reduced by blocking different components of the C
189 afterdepolarizing potential (ADP), and slow AHP (sAHP) that was attributable to calcium influx via h
190 in robustly blocked both the medium and slow AHP currents (ImAHP and IsAHP ) of OT, but not VP neuron
191 of PIP2 levels affected both medium and slow AHP currents in oxytocin (OT) neurons of the supraoptic
192 the modulation of a potassium current (slow AHP current, I(sAHP)) known to be targeted by multiple t
193 on AHP (mAHP) and an apamin-insensitive slow AHP (sAHP) were specifically increased in OT neurons.
195 d concurrently with progressive loss of slow AHP tail current (IsAHP) evoked by brief depolarizations
196 ting a few hundred milliseconds and the slow AHP (I(sAHP)), that has a duration of several seconds.
198 ol 4,5-bisphosphate (PIP2 ) enabled the slow AHP component (sAHP) in cortical pyramidal neurons.
200 resence of apamin and tetrodotoxin, the slow AHP was strongly reduced by 5-HT, and fully abolished by
201 t, reductions of [Na(+)](o) reduced the slow AHP, even in the presence of pronounced Ca(2+) spikes.
202 activated K+ channels that underlie the slow AHP, without the predicted elevation of bulk [Ca2+]i.
204 vagal neuronal excitability by blocking slow AHPs and to determine the adenosine receptor subtype med
207 and bursts of APs generate long-lasting slow AHPs (sAHPs) attributable to apamin-insensitive currents
208 I(K(Ca)) and consequent suppression of slow AHPs, or (2) A(2)-receptor-mediated elevation of cAMP di
211 t, we show that in this Roseobacter species, AHPs mediate Mn(II) oxidation not through a direct react
213 ion potential afterhyperpolarisations (spike AHPs) of CA1 interneurones were investigated in 25 baske
214 nged with GABA(A) receptor modulators, spike AHPs in basket and bistratified cells were enhanced by z
215 ety showed narrow (HW: 3.9 +/- 0.7 ms) spike AHPs with only one AHP minimum (TTP: 0.9 +/- 0.1 ms).
221 ghlighting two consistent findings: (i) that AHP and accommodation are reduced in pyramidal neurons f
222 mals that have learned a task; and (ii) that AHP and accommodation are enhanced in pyramidal neurons
223 pense of newborn neurons, demonstrating that AHPs in the adult mouse brain are not irrevocably specif
225 Finally, we present data indicating that AHPs maintain a nuclear/cytosolic distribution by balanc
232 us studies showing a correlation between the AHP and learning, suggest that the enhancement of the sI
233 influence of prior discharge mediated by the AHP, and it increases in amplitude when AHP amplitude is
234 e accuracy of this estimate by comparing the AHP trajectory predicted from discharge statistics to th
239 Furthermore, it seems that reductions in the AHP must occur before learning if young and aging subjec
240 imarily due to a significant decrease in the AHP that in turn resulted in a reduction in the fraction
243 PKA activity is involved in maintaining the AHP reduction measured ex vivo after successful learning
245 ntracellular solutions on measurement of the AHP and basic membrane properties, and on the induction
247 g from sharp electrodes that the size of the AHP following spike trains increased in OT, but not VP n
249 e results indicate that the amplitude of the AHP in hippocampal pyramidal cells from aged animals is
251 e sought to determine which component of the AHP is enhanced, and whether the enhancement could be re
252 te that activity-dependent plasticity of the AHP occurs with physiologically relevant stimuli in KGlu
254 of them underlie the medium component of the AHP that regulates interspike interval and plays an impo
255 Ca(2+) rises showed that mGluR block of the AHP was not mediated by alterations of action potential-
258 urrent (sI(AHP)), a major constituent of the AHP, also facilitate learning in aging animals, the sI(A
259 ved phosphoacceptor histidine residue of the AHP, as well as disruption of multiple cytokinin signali
268 actam V (0.2 muM), significantly reduced the AHP in CA1 neurons from both control and trained rats, i
269 hat activates PKA, significantly reduced the AHP in CA1 neurons from control animals, but not from ra
270 in slice preparation, we have found that the AHP has a shorter duration in cells firing at higher fre
273 eral, the AHP in KMeth was comparable to the AHP measured in the perforated-patch configuration.
274 nally, we found calcium contributions to the AHP to be temperature dependent: prominent at room tempe
276 -threshold' measure which underestimated the AHP's absolute size but had the same time course, thereb
277 To identify the current(s) underlying the AHP altered in aging neurons, whole-cell voltage-clamp r
278 to the time in question rather than upon the AHP per se; the survivors' mean is more hyperpolarised b
279 etion of training, it is unclear whether the AHP amplitude is strictly dependent on biological aging
282 abidopsis and, contrary to expectations, the AHPs maintained a constant nuclear/cytosolic distributio
284 ones via 5-HT2 receptors, by suppressing the AHPs associated with two distinct calcium-activated pota
285 -dependent potassium currents underlying the AHPs, thereby creating mechanisms for control of the spo
287 dative-peroxidative enzymatic cycle by these AHPs that leads to Mn oxide formation by this organism.
291 n (AHP), but, unlike in cortical cells, this AHP is not primarily driven by an intrinsic cellular pro
293 the differentiation of neighboring wild-type AHPs, suggesting that REST may play a non-cell-autonomou
294 the AHP, and it increases in amplitude when AHP amplitude is increased by pharmacological manipulati
297 motor planning in awareness in patients with AHP: Four hemiplegic patients with and four without anos
298 tion had a selective effect on patients with AHP; they were more likely than controls (U = 16, P < 0.
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