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1 Dsg1 (desmoglein 1) is a member of the cadherin family o
2 Dsg1 is specifically expressed in stratified epidermis a
3 Dsg1 lacking N-terminal ectodomain residues required for
4 Dsg1 loss-of-function mutations in humans result in skin
5 Dsg1.myc, but not Dsc1a, Dsc1b, disrupted desmosome asse
6 odies against desmoglein 3 and desmoglein 1 (Dsg1) are relevant in the pathogenesis of pemphigus vulg
7 enic, predominantly IgG4, anti-desmoglein 1 (Dsg1) autoantibodies and is endemic in Limao Verde, Braz
9 y response to the self-antigen desmoglein 1 (Dsg1) cross-reacts with the LJM11 sand fly salivary glan
12 city to cleave mouse and human desmoglein 1 (Dsg1) once after glutamic acid residue 381 between extra
14 eratinocyte-specific cadherin, Desmoglein 1 (Dsg1), controls paracrine signaling between normal melan
15 associated proteins, including desmoglein 1 (Dsg1), desmocollin 1 (Dsc1), and keratins 1 and 10 (K1/K
16 Dsc1a, and to a lesser extent, desmoglein 1 (Dsg1), while PG binds to Dsg1 and more weakly to Dsc1a a
21 cadherins to mediate adhesion, desmoglein-1 (Dsg1), desmocollin-2 (Dsc2a) and plakoglobin were expres
27 rs of differentiation (such as desmoglein-1 [Dsg1], keratin-1, and loricrin) and abrogated MAL/SRF si
30 importance of these findings, treatment of 2 Dsg1-deficient patients with an IL-12/IL-23 antagonist o
31 which signals Cx43 turnover, increased after Dsg1 depletion, while lysosomal inhibition restored Cx43
32 t and specific autoantibody response against Dsg1 and other keratinocyte cadherins in these individua
40 Coexpression of Dsc1a.myc or Dsc1b.myc and Dsg1.myc did not lead to their colocalization and failed
43 on of the heavy-chain gene usage of all anti-Dsg1 clones to only five genes, which determined their i
44 e correlation between these indexes and anti-Dsg1 and anti-Dsg3 enzyme-linked immunosorbent assay val
45 subset of PF patients who only express anti-Dsg1 of the IgG1 isotype throughout the course of their
47 1-/- mice resembles that resulting from anti-Dsg1 pemphigus foliaceus antibodies, pemphigus skin lesi
50 IgM anti-Dsg1 across ages, whereas IgG-anti-Dsg1 was detected in 2.9% (age 5-10 years), 7.3% (age 11
53 m LV (n=99, age 5-20 years) possess IgM anti-Dsg1 across ages, whereas IgG-anti-Dsg1 was detected in
58 ology, we used phage display to isolate anti-Dsg1 mAbs as single-chain variable fragments (scFvs) fro
59 rom pemphigus vulgaris patients with no anti-Dsg1 serum reactivity showed a proliferative response to
64 py of a perilesional biopsy, with serum anti-Dsg1 or anti-Dsg3 antibodies (or both) detected by ELISA
70 igen (GalNAc-alpha1-O-Ser/Thr), did not bind Dsg1 and did not show a protective effect against the di
75 us vulgaris sera have IgG reactivity to both Dsg1 and Dsg3, suggesting that Dsg1 may also participate
78 hese PV patients showed reactivity with both Dsg1 and Dsg3, whereas the remaining four reacted only w
87 n human Dsg1 and either human Dsg3 or canine Dsg1, we show that for cleavage, human-specific amino ac
88 epidermis and mucous membrane that coexpress Dsg1 and Dsg3, antibodies against either desmoglein alon
89 m those patients that exhibited the combined Dsg1/Dsg3 autoantibody reactivity showed a proliferative
90 syndrome patients (n = 7) revealed decreased Dsg1 and Cx43 plasma membrane localization compared with
92 show that ectodomain-deleted Dsg1 (Delta381-Dsg1) mimics the toxin-cleaved cadherin, disrupts desmos
95 n, in the DSG1 gene coding for a desmoglein (Dsg1), results in the deletion of the first and much of
97 CSN and desmosomal components, Desmoglein1 (Dsg1) and Desmoplakin (Dp), to promote epidermal differe
102 oglein proteins, and demonstrate that either Dsg1 or Dsg3 alone is sufficient to maintain keratinocyt
104 Whole transcriptome analysis of embryonic Dsg1-/- skin showed a delay in expression of adhesion/di
111 Consistent with this hypothesis, we found Dsg1 and Dsg3 expression overlapping in the companion la
112 or cleavage, human-specific amino acids from Dsg1 are necessary in extracellular domain 3 upstream of
114 Comparing epidermal transcriptomes from Dsg1-deficient mice and humans revealed a shared IL-17-s
115 an Dsg1 and chimeric molecules between human Dsg1 and either human Dsg3 or canine Dsg1, we show that
118 he plakoglobin:E-cadherin ratio decreased in Dsg1-expressing cells with disrupted desmosomes, but a d
119 impaired intercellular adhesion observed in Dsg1-/- mice resembles that resulting from anti-Dsg1 pem
120 me mAbs plus exfoliative toxin to inactivate Dsg1 but not exfoliative toxin alone activate p38, sugge
123 communication by secreting factors that keep Dsg1 expression low in the surrounding keratinocytes, wh
124 atinocytes resulting in chronic keratinocyte Dsg1 reduction contributes to melanoma cell movement ass
125 possessed natural antibodies targeting M3AR, Dsg1 and Dsg3 epitopes that were different from those ta
126 evious patient, were directed against mature Dsg1 (matDsg1) on the cell surface of keratinocytes and
128 n re-introduction of wild-type Dsg1, but not Dsg1 constructs modeling SAM syndrome-causing mutations.
129 gs revealed increased Dsg3 molecules but not Dsg1 molecules binding strength in murine keratinocytes.
132 ne RNA and protein levels; in the absence of Dsg1, Gal4 target genes are transcribed, but the resulti
134 e restricted to the first 161 amino acids of Dsg1, whereas the linear epitopes are spread throughout
136 hesive interface, blocked the aggregation of Dsg1/Dsc1 and Dsg3/Dsc3 beads, respectively, whereas non
137 yndrome, pathogenesis depends on cleavage of Dsg1 by a bacterial protease, exfoliative toxin A, which
138 Kinetic studies monitoring the cleavage of Dsg1 by ETA, ETB, and ETD demonstrated kcat/Km values of
139 ts show that SCC25 cells exhibit cleavage of Dsg1, which is blocked by proteinase inhibitor treatment
140 we test the hypothesis that coexpression of Dsg1 and Dsg3 in keratinocytes protects against patholog
142 and organotypic skin equivalents depleted of Dsg1 exhibited reduced Cx43 expression, rescued upon re-
143 sera and the normal tissue distributions of Dsg1 and Dsg3 determine the sites of blister formation.
144 ised against the COOH-terminal EC5 domain of Dsg1 in individuals without skin disease; in genetically
145 epitopes on the COOH-terminal EC5 domain of Dsg1, (b) disease onset was associated with the emergenc
148 interfering RNAs that silenced expression of Dsg1 and/or Dsg3 proteins, blocked approximately 50% of
150 in keratinocytes, and ectopic expression of Dsg1 rescued defects in differentiation seen upon loss o
153 ed that loss of Bcr or MAL reduced levels of Dsg1 mRNA in keratinocytes, and ectopic expression of Ds
154 , R55, promotes the membrane localization of Dsg1 and a trafficking-deficient mutant associated with
155 A reciprocal relationship between loss of Dsg1 and neddylated EGFR was observed in a carcinoma mod
156 yond impairing the physical barrier, loss of Dsg1 function through gene mutation results in a psoriat
157 isruption correlated with the recruitment of Dsg1.myc, but not Dsc1a or Dsc1b, into a Triton-insolubl
158 icipating in cell-cell adhesion, the role of Dsg1 in aiding differentiation after UVB damage was test
161 acalin to O-linked TF carbohydrate motifs on Dsg1 impairs the Dsg1/PF autoantibody interactions and a
162 se proteins interacted with Dsg1 and rely on Dsg1 and desmoplakin for robust cortical localization.
166 aining of A431DE cells (E-cadherin positive, Dsg1 negative) with pemphigus sera showed negative resul
168 ibodies, bead assays coated with recombinant Dsg1, Dsc1, Dsg3, or Dsc3 ectodomains were developed.
174 ivity to both Dsg1 and Dsg3, suggesting that Dsg1 may also participate in the autoimmune response of
178 d TF carbohydrate motifs on Dsg1 impairs the Dsg1/PF autoantibody interactions and abrogates its path
181 e molecule for cadherin function, and of the Dsg1 protein and hence desmosomes in epidermal function.
183 of the companion layer, and particularly the Dsg1 and Dsg3 in this layer, in anchoring the anagen hai
188 eloped from these patients also responded to Dsg1, and this antigen-specific response was shown to be
192 s without pemphigus have B cell tolerance to Dsg1, we cloned mAbs from two patients with thrombotic t
195 In addition, we demonstrate that truncated Dsg1 remains associated with its catenin partner, plakog
196 n, rescued upon re-introduction of wild-type Dsg1, but not Dsg1 constructs modeling SAM syndrome-caus
197 GJA1 gene expression was not decreased upon Dsg1 loss, we hypothesized that Cx43 reduction was due t
198 superficial epidermis of normal mice) where Dsg1 without Dsg3 is expressed, anti-Dsg1 antibodies alo
199 n 2 (Dsc2), which are widely expressed, with Dsg1 and Dsc1, which are expressed in the differentiated
201 ein (Dsg) AuAbs in the sera of patients with Dsg1/3 AuAb-negative acute PV are pathogenic, because Ig
202 anti-E-cadherin antibodies cross-react with Dsg1, whereas others may represent independent antibodie