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1 OAS produces a unique oligonucleotide second messenger,
2 al gene, 2',5'-oligoadenylate synthetase 1a (OAS), were determined by real-time reverse-transcriptase
3 d expression of IFN-beta, IFN-lambda1/IL-29, OAS and viperin in asthmatics compared with healthy subj
6 proliferation, transient transfection of 2,5 OAS into breast cancer cell lines results in decreased c
8 targets, 2,5 oligoadenylate synthetase (2,5 OAS), is a mediator of BRCA1/IFN-gamma-induced apoptosis
9 IFN-gamma to transcriptionally activate 2,5 OAS, leading to the downstream activation of RNaseL and
10 ion, the expression of the IFN-inducible 2-5 OAS gene was significantly reduced in HUT78R cells, sugg
11 sis, we characterize the activation of 2'-5' OAS in lungs from mice exposed to CS and viral pathogen-
12 -5' oligoadenylate synthetase (OAS), a 2'-5' OAS-like (OASL) gene, galectin-9, myxovirus protein A (M
14 ) and 2',5'-oligoadenylate synthetase (2',5'-OAS) were down-regulated in IFN-alpha-treated HEV-A549 c
17 levels of intrahepatic PD-1, PD-L1, and 2,5-OAS-1 messenger RNAs correlated with peak titers of HCV.
19 eins, of which the major isoforms, OAS-TL A, OAS-TL B, and OAS-TL C, catalyze the formation of Cys by
24 NA containing modified nucleosides activates OAS less efficiently and induces limited rRNA cleavage.
25 vitro transcribed, unmodified RNA activates OAS, induces RNase L-mediated ribosomal RNA (rRNA) cleav
28 Our results indicate that higher IFN-alpha, OAS, CXCL9, and CXCL10 mRNA expression in LN was associa
29 e activation of endogenous p69-OAS and of an OAS-Luc reporter and a synergistic activation of a GAS-L
30 s, but our study shows that the OAS-TL A and OAS-TL B of both halophytes are enzymes that also degrad
31 ch pollen is a common sensitizing agent, and OAS results when patients consume certain fruits, vegeta
32 the major isoforms, OAS-TL A, OAS-TL B, and OAS-TL C, catalyze the formation of Cys by combining O-a
33 Furthermore, higher expression of CXCL10 and OAS in peripheral blood could potentially serve as a dia
37 The immunologic surrogates, neopterin and OAS, were induced at all doses with a sustained concentr
39 ons of host defense proteins such as PKR and OAS that have been previously synthesized and merely awa
40 emical analyses of recombinant plant SAT and OAS-TL indicate that the reversible association of the p
41 e interaction between mitochondrial SAT3 and OAS-TL C in planta by FRET and establish the role of the
43 inetic parameters for cysteine synthesis and OAS: acetate lyase activity yield, within error, identic
45 ar complex, which is the origin of assembly (OAS) in RCNMV that selectively recruits and orients CP s
46 ch pollen rhinoconjunctivitis and associated OAS to apple were included in an open, randomized, contr
48 that the Us11 protein is sufficient to block OAS activation in extracts from uninfected, interferon-t
49 malian cells depleted 2-5A levels induced by OAS activation with poly(rI):poly(rC), preventing RNase
50 the result of high l-Cys degradation rate by OAS-TLs, whereas the greater organic-S and biomass accum
52 intravascular drug delivery, and controlled OAS treatment of calcific plaques resulted in greater dr
55 regulation of interferon-inducible cytokines OAS and CXCL10/IP-10 compared with control mice treated
56 A sequences of the rat, cattle, pig, and dog OAS genes were amplified, sequenced and compared with ea
59 ntitumor drug bleomycin produces exclusively OAS in the form of C-4-keto-C-1-aldehydes in unbroken DN
60 nes were detected in the pig genome and five OAS genes were found in both the cattle and dog genomes.
61 s compensated by an increase in affinity for OAS, leading to the observed second-order rate constant,
67 Furthermore, in the absence of a functional OAS pathway, corneal HSV-1 Ag expression was more widesp
68 wild-type mice or mice lacking a functional OAS pathway, these results suggest that PKR is the domin
69 that the presence of at least one functional OAS-TL isoform is essential for the proper function of t
70 ptional upregulation of IFN-responsive genes OAS and ISG54 (encoding 2'-5' oligoadenylate synthetase
71 red with CSC-bound SAT and explains the high OAS export rate of WT mitochondria in the presence of cy
72 -acetyl-serine(thiol)lyase (OASTL) homologs, OAS-B, which is an authentic OASTL, and CS26, which has
75 izing 2-5As and differs from the other human OAS family members by having two C-terminal ubiquitin-li
76 ed among the different isoforms of the human OAS family, reflecting the evolutionary link among them.
78 r prostate cancer, we sought to determine if OAS activators are present in prostate cancer cells.
80 representative IFN-stimulated genes (IFIT3, OAS, LMP2, TGTP, and USP18) in both neonatal and adult b
81 clease domain is preferentially conserved in OAS derivatives that lack an active nucleotidyltransfera
82 fluorescent paclitaxel penetrated deeper in OAS-treated femoropopliteal segments compared to control
83 wever, participants with larger increases in OAS level exhibited greater decreases in plasma viral lo
87 propose that OAS1D suppresses the interferon/OAS/RNase L-mediated cellular destruction by interacting
88 -like proteins, of which the major isoforms, OAS-TL A, OAS-TL B, and OAS-TL C, catalyze the formation
89 ; (iii) 'LTP PFS': living in Southern Italy, OAS triggered by hazelnut and peanut; (iv) 'PR-10 PFS':
90 in RNA reduce 2-5A pathway activation joins OAS and RNase L to the list of RNA sensors and effectors
91 rine)E(t), V/K(AcCoA)E(t), V(2)/E(t), V(2)/K(OAS)E(t), and V/K(CoA)E(t) are 3300 +/- 180 s(-1), (9.6
92 rections, as well as the V/K(serine) and V/K(OAS), decrease at low pH, exhibiting a pK of approximate
95 rase (SAT) and O-acetylserine (thiol) lyase (OAS-TL) in the cytosol, plastids, and mitochondria of pl
96 ajor function of O-acetyl-Ser-(thiol) lyase (OAS-TL; EC 2.5.1.47) is the formation of l-Cys, but our
97 genes encode for O-acetylserine(thiol)lyase (OAS-TL)-like proteins, of which the major isoforms, OAS-
99 sis was not affected by the absence of major OAS-TLs, indicating significant transport of Cys into th
100 siveness of Cys synthesis by the three major OAS-TLs and ruled out alternative sulfur fixation by oth
101 her two human DNA repair enzymes can mediate OAS excision in vitro: Ape1 protein (the main human abas
103 of episodic positive selection in the mouse OAS-like proteins with inactivated nucleotidyltransferas
106 abidopsis was found to cause accumulation of OAS, Cys, and glutathione, mimicking the biochemical cha
107 roduct is able to counteract the activity of OAS, a third cellular protein critical for host defense.
108 ha-aminoacrylate intermediate on addition of OAS, suggesting that K42 is involved in the abstraction
111 bstituted enzyme suggest that the binding of OAS as it forms the external Schiff base is such that th
114 nse revealed that the high concentrations of OAS, Cys, and GSH observed in this hyperaccumulator coin
116 rases, suggest that the C-terminal domain of OAS and their homologs might have nuclease activity.
118 dditionally, our studies provide evidence of OAS in the acute-phase dengue virus immune response, pro
120 with relatively high levels of expression of OAS genes, which are necessary but not sufficient for in
122 asis for future work examining the impact of OAS phenotype antibodies on protective immunity and dise
129 es revealed that subcellular localization of OAS-TL proteins is more important for efficient Cys synt
130 servations help define mammalian pathways of OAS repair, point to interactions that might coordinate
131 possibly involved in the physiopathology of OAS and (ii) CD68+ macrophages likely critical in allerg
132 cleaves 2',5'-oligoadenylate, the product of OAS, to prevent activation of the cellular endoribonucle
134 , hepatocytes express undetectable levels of OASs and RNase L, which likely explains the lack of RNas
135 r regular apple consumption has an effect on OAS and immune parameters of Mal d 1 or Bet v 1 allergy.
138 ced an additive activation of endogenous p69-OAS and of an OAS-Luc reporter and a synergistic activat
139 ed by hazelnut and peanut; (iv) 'PR-10 PFS': OAS triggered by Rosaceae; and (v) 'no-panallergen PFS':
140 es known to encode antagonists of the potent OAS-RNase L antiviral pathway, highlighting its importan
142 atalyzes the acetylation of l-Ser to produce OAS, which acts as both a key positive regulator of sulf
144 The presence of cysteine resulted in reduced OAS export in mitochondria of oastl-C mutants but not in
146 does not consistently improve apple related OAS symptoms, we evaluated whether regular apple consump
154 ubstitution of acetate in O-acetyl-L-serine (OAS) by sulfide via a ping-pong kinetic mechanism .
155 the beta-acetoxy group of O-acetyl-L-serine (OAS) is replaced by bisulfide to give L-cysteine and ace
158 of glutathione, Cys, and O-acetyl-l-serine (OAS), in shoot tissue, are strongly correlated with the
161 s are reminiscent of original antigenic sin (OAS), given that the patients had prior dengue virus exp
162 address the issue of original antigenic sin (OAS): the phenomenon where the induced antibody shows hi
163 deoxyribose generates oxidized abasic sites (OAS) that may constitute one-third of ionizing radiation
164 e often an associated oral allergy syndrome (OAS) to apple, which contains the cross-reactive allerge
165 (ii) 'profilin PFS': oral allergy syndrome (OAS) triggered by Cucurbitaceae; (iii) 'LTP PFS': living
167 patients with/without oral allergy syndrome (OAS), at baseline and after 5 months of sublingual aller
168 to be responsible for oral allergy syndrome (OAS), in which sensitization to airborne allergens cause
170 The 2',5'-oligoadenylate (2-5A) synthetase (OAS)-RNase L system is a mechanism for restricting viral
171 NA activation of 2'-5' oligo (A) synthetase (OAS), it is likely that the primary role of dsRNA bindin
173 urements of 2',5'-oligoadenylate synthetase (OAS) activity, and induction levels of interferon-induci
175 ced enzymes 2'-5'-oligoadenylate synthetase (OAS) and RNase L are key components of innate immunity i
176 sistance 1 (Mx1), oligoadenylate synthetase (OAS) and viperin in unstimulated sputum cells in 57 asth
177 PKR and the 2'-5' oligoadenylate synthetase (OAS) are both activated by double-stranded RNA (dsRNA) p
180 < 0.01); and 2'5'-oligoadenylate synthetase (OAS) had a 163 (+/-120.6) pmol/dl increase (P < 0.01).
182 e Mx(+) and 2'-5' oligoadenylate synthetase (OAS) proteins was not regulated, whereas expression of d
183 poptosis-1, 2'-5' oligoadenylate synthetase (OAS), a 2'-5' OAS-like (OASL) gene, galectin-9, myxoviru
184 isoform of 2'-5'-oligoadenylate synthetase (OAS), a member of the OAS/RNase L system of innate viral
186 ene product 2'-5' oligoadenylate synthetase (OAS), and the chemokines CXCL9 and CXCL10 in the slow pr
188 eron (IFN-alpha), oligoadenylate synthetase (OAS), CXCL9, and CXCL10-was positively associated with d
189 ies such as 2'-5' oligoadenylate synthetase (OAS), stimulated trans-acting factor of 50 kDa (STAF-50)
190 by PKR and 2'-5' oligoadenylate synthetase (OAS), which respectively inactivate the translation init
194 n inducible 2',5'-oligoadenylate synthetase (OAS)-RNase L pathway to facilitate hepatitis development
199 ance of the 2'-5' oligoadenylate synthetase (OAS)/RNase L and double-stranded RNA (dsRNA)-dependent p
200 ed that the 2'-5' oligoadenylate synthetase (OAS)/RNase L system, an innate immune antiviral pathway,
202 in 2 (Mx2), 2',5'-oligoadenylate synthetase (OAS-1), Virus inhibitory protein (viperin), ISG15 and IS
204 s the 2',5'-oligoadenylate (2-5A) synthetase(OAS)/RNase L system, a component of the interferon-induc
206 CL-10, CXCL-11), oligoadenylate synthetases (OAS) genes, and selectively activated activating transcr
208 -inducible 2',5'-oligoadenylate synthetases (OAS) upon activation by viral double-stranded RNA (dsRNA
210 dsRNA-activated oligoadenylate synthetases (OAS), which produce signaling 2',5'-linked RNA molecules
211 ble 2',5'-oligoadenylate (2-5A) synthetases (OASs) and ribonuclease (RNase) L are components of a pot
212 wed by addition of RNA-1 to form a synthetic OAS to direct the virion-like assembly by RCNMV CP.
215 DNA polymerase beta excised the 5'-terminal OAS formed by Ape1 incision at a rate similar to its rem
216 merase beta-mediated excision of 5'-terminal OAS was stimulated by Ape1 as it is for unmodified abasi
218 Examination of phylogenetic trees shows that OAS inactivation in mammals occurred on several independ
221 eficient nsp15, activated MDA5, PKR, and the OAS/RNase L system, resulting in an early, robust induct
222 diesterases (2',5'-PDEs) that antagonize the OAS-RNase L pathway, and we report here that these prote
223 evidence that a Neandertal haplotype at the OAS locus was subjected to positive selection in the hum
225 ulation of dsRNA in HCMV-infected cells, the OAS pathway remains inactive, even in HCMV[DeltaI/DeltaT
227 re, we investigated a potential role for the OAS-RNase L system in the restriction of retrotransposon
230 enzyme, while decreases of > 200-fold in the OAS: acetate lyase activity and a 30-fold decrease in V
231 mutant exhibits a > 50-fold increase in the OAS:acetate lyase activity and a 17-fold decrease in V f
233 t in the downstream effector molecule of the OAS pathway, RNase L, were no more sensitive to ocular H
234 his Article, an oligonucleotide mimic of the OAS sequence was attached to Au, CoFe2O4, and CdSe nanop
238 Here we present the crystal structure of the OAS-like domain, which shows a striking similarity with
239 challenge the notion that activation of the OAS-RNase L pathway requires virus to induce type I IFN,
241 Inhibition of PDE12 may up-regulate the OAS/RNase-L pathway in response to viral infection resul
242 commitment to catalysis, indicating that the OAS external Schiff base preferentially partitions towar
244 ation of l-Cys, but our study shows that the OAS-TL A and OAS-TL B of both halophytes are enzymes tha
245 in the absence of exogenous IFN, whereas the OAS pathway appears to respond to exogenous IFN, contrib
247 ate synthetase (OAS) locus encodes for three OAS enzymes (OAS1-3) involved in innate immune response.
254 induce type I IFN, which in turn upregulates OAS gene expression, as well as to provide dsRNA to acti
255 e compared to a value of 1.81 +/- 0.04 using OAS-3,3-d2 for alpha-DKeq for the first half-reaction.
256 ndary deuterium kinetic isotope effect using OAS-3,3-d2 is 1.11 +/- 0.06 obtained by direct compariso
258 factor eIF2alpha via phosphorylation, while OAS induces the endonuclease RNase L to degrade RNA.
263 ells were identical in patients with/without OAS, except lower numbers of CD207+ LCs found in oral ti
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