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1 es induced by classical indirectly presented alloantigen.
2 d defective responses to viral infection and alloantigen.
3 ly manipulating the T cells, which recognize alloantigen.
4 y CD4 T cells specific for a second "helper" alloantigen.
5 h T cells from mice rendered unresponsive to alloantigen.
6 concomitant conventional T-cell response to alloantigen.
7 by memory responses to the accessory helper alloantigen.
8 entionally, by Th cell recognition of target alloantigen.
9 he Tregs that are induced by AC injection of alloantigen.
10 ssive effects of MSCs on T-cell responses to alloantigen.
11 tor 6, are also resistant to tolerization to alloantigen.
12 mechanism of early action in the absence of alloantigen.
13 (LTx), when there is continuous exposure to alloantigen.
14 in duration and strength according to target alloantigen.
15 apidly underwent cell death upon exposure to alloantigen.
16 rance is induced in addition to tolerance to alloantigen.
17 duced tolerogenic effects selective to islet alloantigens.
18 roduced locally and activated by trophoblast alloantigens.
19 gs showed specific unresponsiveness to donor alloantigens.
20 rance and immunity to pathogens, cancer, and alloantigens.
21 nce of T-cell subsets and responses to donor alloantigens.
22 in turn regulate in vivo T cell responses to alloantigens.
23 eas in GVHD, all host cells directly present alloantigens.
24 T-cell tolerance upon reexposure to the same alloantigens.
25 ific proliferative responses to donor airway alloantigens.
26 induction of both T and B cell tolerance to alloantigens.
27 (IL-13) cytokines when challenged with donor alloantigens.
28 for induction of specific tolerance to donor alloantigens.
29 eans of tolerizing peripheral CD4 T cells to alloantigens.
30 tudy drugs, and none have been sensitized to alloantigens.
31 uce humoral unresponsiveness to transplanted alloantigens.
32 d polyclonal CD8+ T cells raised to viral or alloantigens.
33 d recognize epitopes encoded by that gene as alloantigens.
34 m induces robust systemic tolerance to donor alloantigens.
35 meras, suggesting central tolerance to donor alloantigens.
36 primed by antigen-presenting cell presenting alloantigens.
37 educed ability to proliferate in response to alloantigens.
38 crease IFNgamma production after exposure to alloantigens.
39 subsets defined by expression of plasma cell alloantigen 1 (PC1), also known as ectonucleotide pyroph
40 , MMc magnitude was enough to cause membrane alloantigen acquisition (mAAQ; "cross-dressing") of host
41 colysis was required for optimal function of alloantigen-activated T cells and induction of GVHD, as
44 known about T cell metabolism in response to alloantigens after hematopoietic cell transplantation (H
45 vival could be enhanced by administration of alloantigen (Ag)-pulsed immature dendritic cells (DC) af
47 human primate regulatory T cells (Treg) with alloantigen (alloAg) specificity would allow their testi
48 on the RBC surface at different levels, most alloantigens also represent completely different structu
50 e preserved by stimulation by specific donor alloantigen and cytokines from activated lymphocytes.
52 14 and IL-2 transcript levels increase after alloantigen and mitogen stimulation and are suppressed b
53 Thus, alpha345NC1 hexamers are the culprit alloantigen and primary target of all alloantibodies med
54 itic cells (DCs), of both intact MHC class I alloantigen and processed alloantigen would deliver link
55 ive pathway for the acquisition of recipient alloantigen and that once acquired, this cross-dressed M
56 cells play a cardinal feature in response to alloantigens and are able to generate effector/memory T
57 They prevent immune responses to auto- and alloantigens and are thus under close scrutiny as cellul
59 physiochemical polymorphisms of HLA class II alloantigens and correlated these with humoral alloimmun
60 ough CD62L(-) T cells are able to respond to alloantigens and deplete host radioresistant immune cell
63 whether B-cell tolerance to A/B-incompatible alloantigens and pig xenoantigens could be achieved in i
64 is initiated by alloantigens, although both alloantigens and tumor-specific antigens (TSAs) initiate
65 xpressed by immune cells during priming with alloantigen, and the net sum of costimulatory and coinhi
66 ing effect in preventing T cell responses to alloantigens, and produced long-term cardiac allograft s
67 rived Treg cells with specific receptors for alloantigen are activated by either IL-2 or IL-4 but rap
69 trate that circulating exosomes transporting alloantigens are captured by splenic DCs of different li
70 tional tissue transplants insofar as not all alloantigens are revealed during tolerance induction.
71 earing other low-frequency platelet-specific alloantigens, are relatively rare in the population and
72 ty over time and were eventually tolerant to alloantigens as a result of prolonged antigen exposure,
73 ents showed lower proliferative responses to alloantigen, as well as to polyclonal stimulation, than
75 ly reacted against autologous tumor, but not alloantigen-bearing recipient cells with increased secre
76 ent tolerance required exact matching of all alloantigens between the adoptively transferred allogene
77 f C57BL/6 (B6) DCs presented acquired H-2(d) alloantigen both as processed allopeptide and as unproce
78 tive development of Th17 immune responses to alloantigen both in vitro and in vivo occurred, resultin
79 through naive Th cell recognition of target alloantigen but, crucially, blockade was ineffective whe
80 em not only through prior sensitization with alloantigens but also through previous exposure to envir
81 regs in suppressing T cell responses against alloantigens, but also revealed some novel immunobiologi
82 epresentation of conformationally intact MHC alloantigen by recipient APC can induce cytotoxic alloim
83 /= 3 d, whereas indirect presentation of MHC alloantigen by recipient APCs led to activation of T cel
84 entation of intact and processed MHC class I alloantigen by recipient dendritic cells (DCs) (the "sem
85 nti-OX40 attenuates CD8+ T-cell responses to alloantigen by reducing the pool of effector T cells, su
86 tory T cells to suppress T cell responses to alloantigen by supporting, rather than diminishing, regu
87 arising from developmental corecognition of alloantigens by activating and inhibitory receptors with
89 e presentation of drug-modified donor DC MHC alloantigens by recipient APCs and activation of recipie
91 innate and adaptive immunity in response to alloantigens, challenged the conventional view, develope
92 strates circulating human B cells binding an alloantigen (DBY-2) and that these DBY-2-specific B cell
94 polyclonal T cell proliferative responses to alloantigen, defined peptide antigens, and viral infecti
95 ocompatibility complex-disparate third-party alloantigens, demonstrating functional donor-specific T-
97 of the adaptive immune system recognize MHC alloantigen-derived peptide on self-MHC molecules, has e
98 icient recipients were hyporesponsive toward alloantigen, despite increased numbers of CD8(+) effecto
99 eived a transplant of low doses of NIMA-like alloantigens develop vigorous memory cytotoxic responses
100 ess how indirect responses against different alloantigens differ in their strength and longevity, and
101 n that effector memory T cells not primed to alloantigen do not cause GVHD yet transfer functional T
102 e superior to wild-type Tregs in suppressing alloantigen-driven expansion of T cells in vitro and in
103 in the absence of exogenous pathogens is the alloantigen-driven parent-into F1 model of acute graft-v
104 Foxp3 in iTregs followed homeostatic and/or alloantigen-driven proliferation and was unrelated to GV
105 rejection and report that unlike exposure to alloantigens during transplantation, platelet transfusio
106 ssociated with accelerated T cell death upon alloantigen encounter, suggesting these proteins might p
107 tical to the maintenance of tolerance toward alloantigens encountered during postnatal life pointing
108 X40L interactions at the time of exposure to alloantigen enhanced the ability of regulatory T cells t
111 ferent species; IPD-human platelet antigens, alloantigens expressed only on platelets and IPD-ESTDAB,
112 ility complex of different species; IPD-HPA, alloantigens expressed only on platelets; and IPD-ESTDAB
114 pact of differences in Ag density from other alloantigen features that may also influence RBC alloimm
116 eactive CD8 T cells and as processed peptide alloantigen for recognition by indirect-pathway CD4 T ce
117 ial within the first 48 hours of exposure to alloantigen for the establishment of tolerance and mixed
119 hin the mLNs is driven by profound levels of alloantigen, IL-12, and IL-6 promoted by Toll-like recep
120 t HLA type are strong predictors of class II alloantigen immunogenicity and alloantibody response bef
122 T cells stimulated in vitro with mitogen and alloantigen in the presence or absence of immunosuppress
123 N) were removed and rechallenged with BALB/c alloantigen in vitro with subsequent assay of interferon
124 responses to anti-CD3 monoclonal antibody or alloantigens in a major histocompatibility complex nonsp
127 r, the impact of developmentally encountered alloantigens in shaping the phenotype and function of iN
128 lls proliferated and expanded in response to alloantigens in vivo, their ability to produce interleuk
129 ane microdomains containing the acquired MHC alloantigens included CD86, but completely excluded PD-L
130 ocytes, enhanced CD8(+) cytotoxicity against alloantigen, increased alloantibody production, and a de
131 an be provided by CD4 T cells that recognize alloantigen "indirectly," as self-restricted allopeptide
132 Donor Stat1 deficiency resulted in reduced alloantigen-induced activation and expansion of donor T
134 revented rejection pathology, down-regulated alloantigen-induced production of IFN-gamma and IL-17A,
136 significantly inhibits both homeostatic and alloantigen-induced proliferation of Treg, and promotes
137 t low ratios (<1:320), potent suppressors of alloantigen-induced proliferation without significant su
138 unity, this study investigated their role in alloantigen-induced T cell activation and asked whether
139 as in murine allogeneic skin transplant and alloantigen-induced T cell expansion in draining lymph n
140 TRAIL-R costimulation efficiently inhibited alloantigen-induced T cell proliferation and CD3/28-indu
141 hole limpet hemocyanin-induced Ab responses, alloantigen-induced T cell proliferation, "heart-to-ear"
143 A to granzyme B mRNA (P<0.01) were higher in alloantigen-induced Tregs (alloTregs) compared with nTre
144 ection after LTx, rather than persistence of alloantigen, induces the accumulation of dysfunctional C
145 anti-CD28-PV1-IgG3 exhibited suppression of alloantigen-initiated proximal TCR signaling events, inc
147 mulation of naive donor T cells by recipient alloantigen is central to the pathogenesis of graft-vers
148 terruption of the process by which recipient alloantigen is presented to donor T cells to generate gr
151 on (alloSCT), there is no specific pathogen, alloantigen is ubiquitous, and signals that induce APC m
152 D has no physiological equivalent in nature; alloantigen is ubiquitous, persists indefinitely, and ca
153 Here, we review our current understanding of alloantigen, its presentation by various antigen-present
155 on of hematopoietic cells carrying the fetal alloantigen leads to enhanced demise of semiallogeneic f
157 sponses against previously encountered graft alloantigen may be the dominant mechanism for providing
159 fied CD8(+) T(CM) not specifically primed to alloantigens mediate GVHD in the MHC-mismatched C57BL/6
161 allograft survival by reducing activation of alloantigen-mediated key signaling events in T cells tha
162 producing IFN-gamma and IL-17 in response to alloantigens (MLR), anti-CD3, and the glycolipid alpha-g
163 sponse with no evidence for sensitization to alloantigens nor acceleration of rejection of allogeneic
164 n, direct-pathway CD8 T cells that recognize alloantigen on donor cells require CD4 help for activati
165 (GVHD), naive donor CD4(+) T cells recognize alloantigens on host antigen-presenting cells and differ
166 f TCR-transgenic CD4 T cells that recognized alloantigen only as conformationally intact protein (dir
168 rated T-cell responses to donor C57BL/6 (B6) alloantigens or stimulate cytotoxic T lymphocyte (CTL) r
169 Exogenous C3a enhanced IL-17 production from alloantigen- or autoantigen (type V collagen)-reactive l
170 ies of T cells responding to autoantigen and alloantigen peptide-MHC tetramers in TCRalpha(+/-) mice.
172 e maternal immune system is exposed to fetal alloantigens, possibly explaining the relationship betwe
174 Despite the high level of recipient-derived alloantigen present on the surface of donor DCs, donor T
175 orward cascade of donor DC-mediated indirect alloantigen presentation and cytokine secretion within t
176 between the direct and indirect pathways of alloantigen presentation and suggests that MHC transfer
181 , we demonstrate that GVHD markedly enhances alloantigen presentation within the mesenteric lymph nod
182 nd up-regulated CD80, CD86, and IL-12 during alloantigen presentation, whereas CD11b(+) APCs expresse
183 stence of a foreign virus, the large mass of alloantigen presented by an allograft in chronic residen
184 ated only in response to processed recipient alloantigen presented via the indirect pathway and not i
185 ions had reduced HVEM expression and greater alloantigen-presenting capacity than wild-type lymphoma
186 LN and colocalize in exclusive regions with alloantigen-presenting cells, a process required for Tre
187 N that were permissive for colocalization of alloantigen-presenting cells, alloreactive T cells, and
188 ministration at the time of DST matures host alloantigen-presenting dendritic cells, prevents the est
190 n vitro, and mixed lymphocyte reaction using alloantigen-primed Mac-1(-/-) macrophages resulted in si
191 ed only by CD4 T cells that recognize target alloantigen, processed and presented by the allospecific
192 ments, maternal T cells specific for a fetal alloantigen proliferate after fetal intervention, escape
193 ice: T cells recognizing intact acquired MHC alloantigens proliferated, whereas those responding to a
197 4-1BB and absence of CD40L expression, human alloantigen-reactive Foxp3(+) nTreg can be directly isol
202 e pathways involved in T-cell activation and alloantigen recognition, effector cells and pathways med
204 n had more remarkable effect in reducing the alloantigen response with prolonged graft survival.
208 e found that previous sensitization to donor alloantigens resulted in the development of antidonor al
209 cific Tregs suppressed responses to specific alloantigen selectively and were approximately 100-fold
211 oups of recipients: nonsensitized wild type, alloantigen-sensitized wild-type and CCR5(-/-) mice that
212 he prenatal interaction between NK cells and alloantigens shapes the developing NK cell repertoire to
217 quency, growth requirements, and function of alloantigen-specific (allospecific) Tregs from human blo
218 fferentiate naive, high abundant CD4+ T into alloantigen-specific and allograft protective Foxp3+Treg
219 differentiate the polyclonal CD4+ cells into alloantigen-specific and allograft protective Tregs.
220 granule exocytosis, that is, cytotoxicity of alloantigen-specific and polyclonal CD8(+) CTL in vitro.
223 the proliferation of adoptively transferred alloantigen-specific CD4(+) T cells, demonstrating that
224 egulation of fetomaternal tolerance using an alloantigen-specific CD4(+) TCR transgenic mouse model s
225 n part promotes their survival.Whether these alloantigen-specific CD4CD25FOXP3 regulatory T (Treg) ce
226 tudy, we show that functionally suppressive, alloantigen-specific CD8(+) Foxp3(+) T cells can be indu
227 ion (CD4(+)CD25(bright)CD127(-) T cells) was alloantigen-specific expanded using HLA-mismatched immat
228 y to generate potent, functional, and stable alloantigen-specific human Tregs markedly enhances their
233 antagonize tolerogenic regimens by enhancing alloantigen-specific immune responses independently of t
235 became hyporesponsive to restimulation in an alloantigen-specific manner and contained higher percent
237 s to our knowledge the first report using an alloantigen-specific model that establishes a link betwe
238 of exogenous IL-15, for expansion of stable alloantigen-specific nTregs with superior suppressive fu
240 lls, this phenotype favors the generation of alloantigen-specific regulatory CD4(+) or CD8(+) T cells
243 e from transplant tolerant hosts to transfer alloantigen-specific suppression to lymphopenic recipien
244 Treg-specific demethylated region and showed alloantigen-specific suppressive properties superior to
251 reover, treatment with TAK-779 (a) decreased alloantigen-specific T-lymphocyte proliferation and numb
252 iltration into the graft, (b) attenuation of alloantigen-specific T-lymphocyte proliferative response
253 ereafter, local IL-6 secretion induces donor alloantigen-specific Th17 cells to preferentially expand
256 n target of rapamycin (Rapa) synergizes with alloantigen-specific Treg (AAsTreg) to permit long-term,
257 ied by expansion of Foxp3(+) Tregs, enhanced alloantigen-specific Treg function, and modulation of tr
259 lograft may play a role in the generation of alloantigen-specific Tregs, but this role remains undefi
266 eta/T-cell receptor (TCR)/CD28 activation or alloantigen stimulation in vitro compared with wild-type
267 1(-/-) T cells proliferated vigorously under alloantigen stimulation, and also that the antigen-prese
271 se non-HLA antigens are classified as either alloantigens, such as the major histocompatibility compl
272 d not depend on T cell specificity for donor alloantigens suggesting an important role for posttransp
274 ransplantation and may be the main source of alloantigen that drives CD8(+) cytotoxic T cell response
276 e show that in mice primed to an MHC class I alloantigen, the accelerated graft rejection T memory re
277 ubsets that function as potential sources of alloantigens, the cross talk of innate lymphoid cells wi
278 tologous T lymphocytes, activated in vivo by alloantigens, the survival and growth of primary CFSE-la
279 t ILCs in mice and humans that expressed the alloantigen Thy-1 (CD90), interleukin 2 (IL-2) receptor
280 ence has accumulated that targeting of donor alloantigen to quiescent dendritic cells (DC) in situ or
281 anism by which passenger leukocytes transfer alloantigens to recipient's APCs and amplify generation
282 ze major histocompatibility complex class II alloantigens to suppress skin transplant rejection.
283 with a history of pretransplant exposure to alloantigens, to predict subsequent humoral events and t
284 ntrast, DZNep did not affect the survival of alloantigen-unresponsive T cells in vivo and naive T cel
285 despite acquiring similar amounts of H-2(d) alloantigen upon coculture, MHC class II-deficient B6 DC
288 hereas the indirect response against class I alloantigen was longlasting and persistently strong, the
291 ytotoxicity of CD8(+) T cells in response to alloantigens was also diminished under these conditions,
292 To control for donor CD4 recognition of alloantigen, we used H-2(d) identical DBA/2 and B10.D2 d
293 receptor-transgenic) after stimulation with alloantigen were assessed in vitro by the incorporation
294 cy, pTreg cells specific to a model paternal alloantigen were generated in a CNS1-dependent manner an
295 d-type hypersensitivity responses to C57BL/6 alloantigens were evaluated by a conventional ear swelli
296 alloantibody responses (P<0.001); only 6% of alloantigens with 0 to 2 mismatched AA-induced alloantib
297 orescence intensity 37) compared with 82% of alloantigens with more than or equal to 20 mismatched AA
298 during pregnancies sired by males expressing alloantigens with overlapping NIMA specificity, thereby
299 intact MHC class I alloantigen and processed alloantigen would deliver linked help, but has not been
300 d that T-regulatory cells specific for donor alloantigens would protect a renal transplant during par
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