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1 -killed Escherichia coli, demonstrating that phagosomal acidification affects endosomal receptor-medi
2 ic fibrosis lung disease involving defective phagosomal acidification and bacterial killing in alveol
3 d not affect POS internalization but reduced phagosomal acidification and delayed POS protein clearan
4 pharmacological block of p38 activity caused phagosomal acidification and enrichment of the late endo
5 luating bacterial intracellular survival and phagosomal acidification and maturation and by testing t
7 oxidase NOX2 in DCs, which in turn inhibited phagosomal acidification and reduced the degradation of
9 summary, our results identify the control of phagosomal acidification as a novel function of Abl tyro
19 d NALP3 activation, and inhibition of either phagosomal acidification or cathepsin B activity impaire
21 phage viability and found that inhibitors of phagosomal acidification significantly impaired USA300 i
23 crophages to produce cytokines is due to the phagosomal acidification that disrupts endosomal ligand-
26 was regulated during DC maturation and that phagosomal acidification was impaired in DCs in which th
31 target the host vacuolar ATPase to withstand phagosomal acidity, the MgtC protein acts on Salmonella'
32 e trafficking regulatory lipid essential for phagosomal acquisition of lysosomal characteristics.
33 e trafficking regulatory lipid essential for phagosomal acquisition of lysosomal constituents, is ret
34 oarabinomannan (ManLAM)] interfered with the phagosomal acquisition of the lysosomal cargo and syntax
38 phagosome, this permeabilization results in phagosomal and cytoplasmic mixing and allows extracellul
40 polyreactive Ig and complement in directing phagosomal antigen processing for cross-presentation.
41 g the host and bacterial factors that affect phagosomal antigen processing may help facilitate new st
44 fication of phagosomes and the processing of phagosomal bacterial nucleic acids and was required for
45 tments within the same cell is determined by phagosomal cargo and may affect the outcome of antigen p
47 idence indicates that receptor engagement by phagosomal cargo, as well as inflammatory mediators and
48 Mtb specifically under conditions that mimic phagosomal cation concentrations, and further support a
49 We propose that CFTR transiently increases phagosomal chloride concentration after infection, poten
50 e, as it directly inhibits maturation of the phagosomal compartment in which the bacterium is taken u
51 thogen Listeria monocytogenes escapes from a phagosomal compartment into the cytosol by secreting the
52 lish and maintain long-term residence in the phagosomal compartment of host macrophages is critical t
53 osis, and then actively invade from within a phagosomal compartment to form a parasitophorous vacuole
57 mice exhibit decreased copper transport into phagosomal compartments and a reduced ability to kill Sa
58 equired for mycobacterial retention in early phagosomal compartments and that an inadequate supply of
60 ns indicate that the composition of distinct phagosomal compartments within the same cell is determin
64 lysosome formation and that USA300 may sense phagosomal conditions and upregulate expression of a key
69 l recruitment of YFP-tagged p67(phox) to the phagosomal cup, and, after phagosome internalization, a
72 accumulated at extending pseudopodia and in phagosomal cups in trophozoites exposed to erythrocytes
73 nd actin rearrangements for engulfment; have phagosomal cysteine proteases active at low pH; and can
74 environment accidentally, for example, upon phagosomal damage, whereas pathogens routinely accessing
75 ies used by bacteria to resist antimicrobial phagosomal defenses and transiently pass through this co
77 is more sensitive to lysozyme, we show that phagosomal degradation and release of intracellular liga
78 The rapid cleavage of the microgels leads to phagosomal disruption through a colloid osmotic mechanis
79 are all dispersed among the bacteria, after phagosomal disruption, within both human macrophages and
81 particles confirmed a major role for GILT in phagosomal disulfide reduction in both resting and inter
83 s that the depletion of Mg(2+) observed upon phagosomal engulfment may act to trigger isoTb biosynthe
86 sis is its ability to escape the destructive phagosomal environment and inhibit the host cell respira
87 sured the shear modulus and viscosity of the phagosomal environment concurrently with the phagosomal
88 her intracellular pathogens that control the phagosomal environment use specialized protein export sy
89 riptome thus served as a bioprobe of the MTB phagosomal environment, showing it to be nitrosative, ox
93 (LLO) is a pore-forming toxin that mediates phagosomal escape and cell-to-cell spread of the intrace
94 tion significantly delayed but did not block phagosomal escape and cytosolic replication, indicating
96 gh an intracellular life cycle that includes phagosomal escape and extensive proliferation within the
97 e production in the early FCP and restricted phagosomal escape and intracellular growth in an NADPH o
98 enicity island (FPI) mutant, is deficient in phagosomal escape and intracellular growth, whereas F. n
101 d macrophages by opsonization that inhibited phagosomal escape and resulted in phagolysosomal killing
102 ing phagosome (FCP) is important for optimal phagosomal escape and subsequent intracellular growth.
103 hagosomal maturation is required for optimal phagosomal escape and that the early FCP provides cues o
104 variety of acid phosphatases, whose roles in phagosomal escape and virulence have been documented yet
105 s than wild-type Schu S4 and were capable of phagosomal escape but exhibited reduced intracellular gr
109 f endosomal acidification mimicked the early phagosomal escape defects caused by mutation of the FPI-
113 unaffected, suggesting that ESX-1-dependent phagosomal escape is not required for CD8(+) T-cell prim
115 that a bacterial metabolite is required for phagosomal escape of an intracellular pathogen, providin
117 acpA, acpB, and acpC deletions affected the phagosomal escape or cytosolic growth of Schu S4 in muri
119 analyses indicated that the period of active phagosomal escape was between 30 and 50 min postinfectio
120 include cellular uptake and internalization, phagosomal escape, and intracellular cargo concentration
123 orted to play important roles in Francisella phagosomal escape, inhibition of the respiratory burst,
124 e precisely regulated in order to facilitate phagosomal escape, intracellular growth, and cell-to-cel
125 VgrG and IglI are required for F. tularensis phagosomal escape, intramacrophage growth, inflammasome
126 These results reveal a crucial role for phagosomal escape, not for delivery of antigen to the cl
127 la-containing phagosome (FCP) and restricted phagosomal escape, while FcgammaR-dependent phagocytosis
136 dy was to assess the effect of GILT on major phagosomal functions with an emphasis on proteolytic eff
137 ii infects alveolar macrophages and promotes phagosomal fusion with autophagosomes and lysosomes, est
139 stinctive Zn sequestration strategy elevated phagosomal H(+) channel function and triggered reactive
149 Mg(2+) (0.43 mM), shifting Mtb to media with phagosomal levels (0.1 mM) led to a significant ( approx
151 se of infection in both humans and mice, how phagosomal M. tuberculosis Ags are processed and present
154 teract M. tuberculosis-induced inhibition of phagosomal maturation and promote host-induced autophagy
155 of M. tuberculosis correlates strongly with phagosomal maturation and that the inducible GFP express
156 and discovered WhiB3 as crucial mediator of phagosomal maturation arrest and acid resistance in M. t
159 parable capacity for phagocytosis and normal phagosomal maturation compared to wild-type macrophages.
160 key aspects in phagocytic cup remodeling and phagosomal maturation could be influenced by target morp
163 echanisms used by M. tuberculosis to inhibit phagosomal maturation differ from the mechanisms involve
164 he data are consistent with a model in which phagosomal maturation events associated with the acquisi
167 culosis, edaxadiene, whose ability to arrest phagosomal maturation in isolation presumably contribute
168 ies annually rests with its ability to block phagosomal maturation into the phagolysosome in infected
169 We conclude that the default pathway of phagosomal maturation into the phagolysosome includes te
171 gether, these results demonstrate that early phagosomal maturation is required for optimal phagosomal
172 rophages phagocytose Mucor yeast, subsequent phagosomal maturation occurs, indicating host cells resp
173 ation of invading microbes by macrophages is phagosomal maturation through heterotypic endosomal fusi
174 induces inflammatory cytokines and controls phagosomal maturation through spleen tyrosine kinase act
175 r active TRIF signaling events, thus linking phagosomal maturation to specific TLR signaling pathways
176 Importantly, in the absence of MUNC13-4, phagosomal maturation was impaired as observed by the de
177 MUNC13-4 in selective vesicular trafficking, phagosomal maturation, and intracellular bacterial killi
178 ort that under certain conditions, including phagosomal maturation, possible actin depolymerization,
179 oss of functional Lyst leads to dysregulated phagosomal maturation, resulting in a failure to form an
181 increase in EEA1 association and its role in phagosomal maturation, the pharmacological block of p38
188 h many T4SS substrates being retained on the phagosomal membrane adjacent to the poles of the bacteri
190 ime after uptake, F. tularensis disrupts its phagosomal membrane and escapes into the cytoplasm.
191 " indicating that F. tularensis disrupts its phagosomal membrane by a mechanism that does not require
192 cated by the Dot/Icm complex across the host phagosomal membrane can also be transferred from one bac
193 while activation of the NADPH oxidase at the phagosomal membrane generates reactive oxygen species wi
194 gering of TLR9 recruitment to the macrophage phagosomal membrane is a conserved feature of fungi of d
196 g and fusion of the virion envelope with the phagosomal membrane is likely facilitated by clustering
197 rastic spatial redistribution of TLR9 to the phagosomal membrane of A. fumigatus-containing phagosome
200 of-function mutations in Nramp1 (SLC11A1), a phagosomal membrane protein that controls iron export fr
202 h LAMPs but without cathepsin D and that the phagosomal membrane subsequently becomes morphologically
203 re the sifA null mutant phenotype of loss of phagosomal membrane to sifA sseJ null double mutants, su
205 the reduced recruitment of the endosomal and phagosomal membrane-tethering molecule called early endo
211 mporally organized cyclical waves of PI3P on phagosomal membranes and that this process is targeted f
213 iated reduction in cholesterol levels within phagosomal membranes counteract M. tuberculosis-induced
214 Endoplasmic reticulum (ER) contribution to phagosomal membranes is thought to provide antigen acces
215 e, SidC, was shown to translocate across the phagosomal membranes to the cytoplasmic face of the L. p
216 ith dysfunctional recruitment of retromer to phagosomal membranes, reduced retromer levels, and impai
218 onfocal imaging and direct patch clamping of phagosomal membranes, we found that particle binding ind
224 ce P(1B)-ATPases appear key to overcome high phagosomal metal levels and are required for the assembl
227 agocytic process directs M.tb to its initial phagosomal niche, thereby enhancing survival in human ma
229 burnetii, and F. tularensis to assess their phagosomal nutrient supply before committing to reenter
231 teria interfere with the dynamics of PI3P on phagosomal organelles by altering the timing and charact
232 monella in vitro, in part due to inefficient phagosomal oxidant production, when compared with WT BMM
233 of complement, antibody and lytic peptides, phagosomal pathogens pose a unique problem for the innat
234 ssential for macrophage host defense against phagosomal pathogens, including Mycobacterium tuberculos
235 we found that bafilomycin A did not prevent phagosomal permeabilization by F. tularensis LVS or viru
237 eactive oxygen species (ROS), which regulate phagosomal pH and processing of particulate antigens for
238 n, BDCA1(+) and BDCA3(+) DCs display similar phagosomal pH and similar production of reactive oxygen
240 regulator Cl- channel (CFTR) participates in phagosomal pH control and has bacterial killing capacity
243 ), we demonstrated that a modest decrease in phagosomal pH is sufficient to generate redox heterogene
245 a Tmem176b-dependent cation current controls phagosomal pH, a critical parameter in cross-presentatio
246 membrane potentials, optimize cytosolic and phagosomal pH, and regulate phagosomal enzymatic activit
247 egments (POS), proteolysis of POS rhodopsin, phagosomal pH, phagosome fusion with early and late endo
248 otropic agent LysoTracker as an indicator of phagosomal pH, we obtained evidence that in the absence
253 (DAG) was not generated uniformly across the phagosomal population, varying in a manner that directly
254 requires MyD88, Syk, and PI3K signaling and phagosomal processing to activate IRF1 and IRF3/IRF7 and
255 hat NOX2 activity not only affects levels of phagosomal proteolysis as previously shown, but also the
258 Furthermore we observed a decrease in early phagosomal proteolytic efficiency in GILT-deficient macr
259 ps-34 completely abolishes the production of phagosomal PtdIns(3)P and disables phagosomes from recru
262 idase response correlates with inhibition of phagosomal PtdIns3P accumulation and overlaps with the r
264 phagosomes, little is known about how these phagosomal Rab proteins influence phagosome maturation.
265 cross-presentation requires Sec22b-mediated phagosomal recruitment of the peptide loading complex fr
266 monstrate that silica particles can generate phagosomal ROS independent of NOX activity, and we propo
267 and appeared in parallel with an increase in phagosomal ROS, as well as several hours later associate
268 ments of individual organelles indicate that phagosomal SHIP-1 enhances the early oxidative burst thr
269 ition of diverse ligands; in the case of Bb, phagosomal signaling involves a cooperative interaction
271 erial cell integrity: it associates with the phagosomal surface, promotes replication vacuole formati
273 e found that these proteins were enriched on phagosomal surfaces through association with PtdIns(3)P
275 tiator, to strengthen DYN-1's association to phagosomal surfaces, and facilitates the maintenance of
276 transient enrichment of the RAB-5 GTPase to phagosomal surfaces, only the self-assembly mutation but
279 e and actin cytoskeleton and MyD88-dependent phagosomal TLR signaling, but not phagolysosome formatio
281 tracellular locations and is mediated by the phagosomal trafficking molecule adaptor protein-3 (AP-3)
282 Our studies further elucidate the effects of phagosomal trafficking on tailoring immune responses in
283 the NADPH oxidase complex, facilitating its phagosomal trafficking to induce a burst of reactive oxy
284 which M.tb inhibits both the activation and phagosomal translocation of SK1 to block the localized C
286 results suggest that preventing centripetal phagosomal transport delays the onset of acidification.
288 irst report of manipulation of intracellular phagosomal transport without interfering with the underl
289 ransporters, and the nine-member Francisella phagosomal transporter (Fpt) subfamily possesses homolog
291 or superfamily transporters, here named Pht (phagosomal transporter), that also is conserved in two o
292 ligands and TLR stimulation, the late-onset phagosomal tubules are not essential for delivery of pha
294 oth LST-4 and SNX-1 promote the extension of phagosomal tubules to facilitate the docking and fusion
295 reveal that this IFN-beta induction requires phagosomal uptake and processing but bypasses the endoso
297 s with binding, uptake, and formation of the phagosomal vacuole, whereas recruitment of both TLR2 and
299 o invade host cells and promptly escape from phagosomal vacuoles into the host cell cytosol, thereby
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