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1 ol treatment exaggerated sensitivity to this neurosteroid.
2 e in the cognitive effects of this sulphated neurosteroid.
3 onse of GABA(A) receptors in adult cortex to neurosteroid.
4 ant adrenal androgen and also functions as a neurosteroid.
5 nits is required for binding of potentiating neurosteroids.
6 maximum effects similar to barbiturates and neurosteroids.
7 The activity of NMDARs can be modulated by neurosteroids.
8 anization of GABA(A)Rs through the action of neurosteroids.
9 icated in mediating the analgesic actions of neurosteroids.
10 olecular target for the analgesic actions of neurosteroids.
11 ons for the physiological role of endogenous neurosteroids.
12 inhibition of GABA(A) receptors by sulfated neurosteroids.
13 otentiating and direct activation effects of neurosteroids.
14 ey can override the endogenous production of neurosteroids.
15 nd metabolism to GABA(A) receptor-modulating neurosteroids.
16 acids, 24(S)-hydroxycholesterol, and various neurosteroids.
17 effect on GABAA receptors via the action of neurosteroids.
18 ding zinc, polyamines, protons, and sulfated neurosteroids.
19 ors, which respond sensitively to endogenous neurosteroids.
20 ctly act on neuronal excitability, acting as neurosteroids.
21 nism indistinguishable from that of sulfated neurosteroids.
23 Here we describe the mechanism by which the neurosteroid 3alpha, 21-dihydroxy-5alpha-pregnan-20-one
24 EC50 values for GABA in the presence of the neurosteroid 3alpha, 21-dihydroxy-5alpha-pregnan-20-one
25 ro after a short (30 min) treatment with the neurosteroid 3alpha,5alpha-tetrahydrodeoxycorticosterone
27 entiated by pentobarbital, diazepam, and the neurosteroid (3alpha,5alpha)-3-hydroxypregnan-20-one (3a
28 ring coapplication of GABA and an endogenous neurosteroid (3alpha,5alpha)-3-hydroxypregnan-20-one (3a
32 hydroxy-5beta-pregnan-20-one), the principal neurosteroid acting via gamma-aminobutyric acid (GABA).
33 8), the mIPSC duration is prolonged by local neurosteroids acting in a paracrine or autocrine manner
34 8), the mIPSC duration is prolonged by local neurosteroids acting in a paracrine or autocrine manner
39 and neither of the amino acids identified as neurosteroid activation determinants are located at the
43 ork has shown that a single injection of the neurosteroid allopregnanolone at postnatal day 7 signifi
47 functional GABA site are potentiated by the neurosteroid allopregnanolone regardless of whether the
49 ed the therapeutic potential of a neurogenic neurosteroid, allopregnanolone, in the restoration of th
50 that acetazolamide, chlorthalidone, and the neurosteroid, allopregnanolone, which inhibits chloride
52 receptors can be modulated by the endogenous neurosteroids, allopregnanolone and tetrahydro-deoxycort
57 a fluorescently tagged analog of a sulfated neurosteroid altered membrane capacitance similar to the
58 these neurosteroid binding sites directly, a neurosteroid-analog photolabeling reagent, (3alpha,5beta
59 ,3-benzoxadiazol-4-yl amino (NBD)-conjugated neurosteroid analogs photopotentiate GABA(A) receptor fu
60 In this study, we describe a new class of neurosteroid analogues which possess structural modifica
61 stricted distribution, confers resistance to neurosteroid and anesthetic modulation, and causes spont
64 this enzyme may participate in metabolism of neurosteroids and drugs that can cross the blood-brain b
69 tes, and activation by GABA, potentiation by neurosteroids, and the agonist activity of piperidine-4-
71 ted steroids, which bind a presumed external neurosteroid antagonist site, and hydroxysteroids, which
72 azepine site antagonists, the development of neurosteroid antagonists may help clarify the role of GA
73 at this tonic inhibition will be enhanced by neurosteroids, antiepileptics, and sedative/hypnotic dru
77 osteroid exposure and suggest that GABAergic neurosteroids are critical for normal development of GAB
91 ion of CRF-releasing neurons, and identifies neurosteroids as putative early regulators of the stress
92 el of the alignment of neurosteroids and ent-neurosteroids at the same binding site on gamma-aminobut
93 nstrating that extracellular Zn(2+) prevents neurosteroid augmentation of tonic current and protectio
94 nity for the development of new therapeutic, neurosteroid-based ligands and transgenic disease models
95 unity for the development of new therapeutic neurosteroid-based ligands to treat diseases associated
103 sive behavior is the result of a TP-mediated neurosteroid biosynthesis down-regulation that can be re
111 the UNC-49 GABA receptor by another sulfated neurosteroid, dehydroepiandrosterone sulfate (DHEAS).
113 ing establishes that the GABA(A)R-modulating neurosteroids do not inhibit photolabeling of GABA(A)R a
114 ationic channel blockers but unlike sulfated neurosteroids, DPA antagonism was voltage dependent.
116 The large increase in progesterone-derived neurosteroids during pregnancy and their precipitous dec
118 n of inhibition provide a mechanism by which neurosteroid E2 could modulate hippocampus-dependent beh
121 tradiol (E2), the physiological role of this neurosteroid E2, as distinct from ovarian E2, is unknown
122 otential future directions for research into neurosteroid effects on emotion regulation neurocircuitr
125 lar, brain imaging has not been used to link neurosteroid effects to emotion regulation neurocircuitr
127 pyramidal neurons has demonstrated that this neurosteroid engages specific mechanisms in different ar
129 als (fEPSPs) to investigate the mechanism of neurosteroid enhancement of short-term synaptic facilita
133 n of a subset of interneurons in response to neurosteroid exposure and suggest that GABAergic neurost
134 , NCEH-1 also stimulates cholesterol-derived neurosteroid formation and lowers cellular reactive oxyg
135 imilarly mitigated the effects of a clinical neurosteroid general anesthetic, allopregnanolone, belie
137 hat these adverse effects may be mediated by neurosteroids, given their well-documented role in stres
138 analyses of direct activation of GABA(A)R by neurosteroids have each led to the proposal that these s
141 l traits, it may be that locally synthesized neurosteroids impact cells along the proliferative zone
145 ate (PS), one of the most commonly occurring neurosteroids in the central nervous system, influences
146 of GABA-enhancing neurosteroids, the role of neurosteroids in the clinical effects of BDZs is unknown
148 We conclude that, in very young rats, (i) neurosteroids induce oxytocin release from the supraopti
149 rom rats of 3-4 weeks old or less, all three neurosteroids induced oxytocin release from the isolated
155 ity is interesting because current models of neurosteroid interactions with GABA(A) receptors, based
156 h alpha1beta2gamma2L channel potentiation by neurosteroids, into one of the two concatemeric construc
157 g indicates that a pregnenolone sulfate-like neurosteroid is a previously unrecognized retrograde mes
160 and medial dorsal thalamus, indicating that neurosteroid levels are important for proper development
164 rations of dopamine metabolism, and abnormal neurosteroid levels in brain, potentially implicating th
165 Midazolam, but not clonazepam, increased neurosteroid levels in CA1 pyramidal neurons without cha
166 determined whether specific manipulation of neurosteroid levels in the hippocampus would alter seizu
167 al conditions characterized by elevations in neurosteroid levels induce a reorganization of GABA(A)Rs
168 therapy, raising the possibility that brain neurosteroid levels may be modulated therapeutically.
175 u73 as the site of photoincorporation of our neurosteroid ligand in the IMP, mouse voltage-dependent
176 Our results support the hypothesis that neurosteroids may act to influence brain organization an
177 tone in the face of shifting levels of these neurosteroids may induce HPA axis dysfunction, thereby i
179 evaluate the contribution of a key enzyme in neurosteroid metabolism [i.e., 3alpha-hydroxysteroidoxid
181 ults support the theory that an imbalance in neurosteroid metabolism could be a major cause of the ne
182 receptor isoforms, the contribution of local neurosteroid metabolism has been relatively unexplored.
183 e to block conversion of progesterone to its neurosteroid metabolite allopregnanolone in women with p
184 ersion of progesterone to its 5alpha-reduced neurosteroid metabolite mitigates symptoms in PMDD.
190 ies demonstrate that, in epileptic DGCs, the neurosteroid modulation of synaptic currents is diminish
191 ivity of alphabetadelta receptor channels to neurosteroid modulation prompted investigation of whethe
196 or pathophysiological conditions may trigger neurosteroid neosynthesis, thereby providing a local mec
200 e data demonstrate that positive feedback of neurosteroids onto CRH neurons is required to mount the
201 ed the normal development of brain levels of neurosteroids or altered steroid action at GABA(A) recep
203 FLI tag was coupled to an alkyne-containing neurosteroid photolabeling reagent and used to identify
204 demonstrates the feasibility of identifying neurosteroid photolabeling sites by using mass spectrome
206 ntiation does not require a known ligand for neurosteroid potentiating sites on the GABAA receptor.
207 onsistent with previous work indicating that neurosteroid potentiation is mediated by an action that
209 Using an antibody against 5alpha-reduced neurosteroids, predominantly allopregnanolone, we found
213 enous anesthetic propofol and the endogenous neurosteroid pregnanolone using whole cell macroscopic r
214 R-induced currents than the known endogenous neurosteroid, pregnanolone sulfate (IC50 = 24.6 muM).
215 90 nM to 5.4 muM) than the known endogeneous neurosteroid-pregnanolone sulfate (IC50 = 24.6 muM).
217 In the current report, the effect of the neurosteroid pregnenolone on depressive symptoms in BPD
219 pondences with models of the GABA-inhibitory neurosteroid pregnenolone sulfate (PREGS), suggesting co
221 ot alter basal CatSper currents, whereas the neurosteroid pregnenolone sulfate exerted similar effect
223 such as the one mediating the effects of the neurosteroid pregnenolone sulfate, or the allosteric reg
225 We have previously shown that the sulfated neurosteroids pregnenolone sulfate and 3alpha-hydroxy-5b
227 onsistent with a novel biologic role for the neurosteroid PregS that acts at picomolar concentrations
228 and second by rapidly up-regulating an acute neurosteroid-producing gene, StARD1, which requires the
230 hat ethanol paradoxically enhances GABAergic neurosteroid production by activation of unblocked NMDAR
234 ody provide evidence for a role for aberrant neurosteroid regulation of the GABA(A) receptor subunit
235 bclass that shows high affinity for GABA and neurosteroids, relative insensitivity to benzodiazepines
236 Thus, significant receptor activation by neurosteroids relies on occupancy of both the activation
238 fluctuations in ovarian hormones and derived neurosteroids result in alterations in regulation of the
239 reflecting a reduction in the extrasynaptic, neurosteroid-sensitive alpha4/delta containing receptor
240 may be beneficial to decrease the number of neurosteroid-sensitive receptors to maintain a steady-st
241 report a novel inhibitory role of Zn(2+) at neurosteroid-sensitive, extrasynaptic deltaGABAA recepto
243 e selective functional blockade by Zn(2+) of neurosteroid-sensitive, extrasynaptic GABAA receptors in
245 ileptic animals are modified such that their neurosteroid sensitivity is reduced and delta subunit ex
246 imal models of temporal lobe epilepsy (TLE), neurosteroid sensitivity of GABA(A) receptors on dentate
247 based compensation mechanism for the reduced neurosteroid sensitivity of inhibition measured in femal
248 t study investigated a mechanism for loss of neurosteroid sensitivity of synaptic GABA(A) receptors i
253 bility of NMDA to inhibit LTP and to enhance neurosteroid staining was reversed by finasteride and du
256 the formation of 24(S)-hydroxycholesterol or neurosteroids such as CYP46A1, 3alphaHSD, and CYP11A1.
261 nyl)estra-4,9-dien-3- one)], suggesting that neurosteroid synthesis and not progesterone receptor act
262 e found that the genes necessary for de novo neurosteroid synthesis at posthatch day 1 (P1) and P5 sh
264 re prevented by finasteride, an inhibitor of neurosteroid synthesis, or 17PA [17-phenyl-(3alpha,5alph
267 An insensitivity of the tonic current to the neurosteroid tetrahydrodeoxy-corticosterone was consiste
268 ted that physiological concentrations of the neurosteroid tetrahydrodeoxycorticosterone were less eff
269 neurons are modulated by the stress-derived neurosteroid, tetrahydrodeoxycorticosterone (THDOC), act
270 NP-C mouse brain contains substantially less neurosteroid than wild-type brain and has an age-related
271 f both males and females synthesizes E2 as a neurosteroid that could acutely modulate synaptic functi
272 -beta-pregnan-20-one hemisuccinate (ABHS), a neurosteroid that inhibits excitatory amino acid recepto
273 Pregnanolone sulfate (PAS) is an endogenous neurosteroid that inhibits NMDA receptors and is neuropr
275 to release dehydroepiandrosterone (DHEA), a neurosteroid that promotes neurogenesis and neuron survi
276 y to identify the structural features in ent-neurosteroids that enhance their activity as positive al
277 gents such as anesthetics, barbiturates, and neurosteroids, the cellular mechanisms neurons use to re
278 and promote the synthesis of GABA-enhancing neurosteroids, the role of neurosteroids in the clinical
281 s of high-affinity GABAA receptors including neurosteroids, this phenomenon provides a potentially im
282 pression is increased by 48h exposure to the neurosteroid THP (3alpha-OH-5alpha[beta]-pregnan-20-one)
283 e thalamus retains the ability to synthesise neurosteroids, thus preserving the capacity to enhance b
286 contributes to the pathology of NP-C; thus, neurosteroid treatment may be useful in ameliorating pro
288 S is derived from PREG, the precursor of all neurosteroids, via a single sulfation step and is presen
289 ition in the female gamma2(Y356/367F) +/- to neurosteroids was markedly reduced compared with WT.
291 ism of modulation of NMDARs by an endogenous neurosteroid, which has implications for identifying sta
293 m a precisely timed loss of locally produced neurosteroids, which act as positive allosteric modulato
294 ts that the brain is capable of synthesizing neurosteroids, which in developing zebra finches may be
295 variety of allosteric modulators, including neurosteroids, which in turn makes them promising therap
296 unsaturated fatty acids (PUFAs), 2) sulfated neurosteroids, which play a role in brain development, 3
297 ial for growth and development; low sulfated neurosteroids, which play a role in brain development; l
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