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1 TSHR Abs can be induced in mice by immunization, but stu
2 TSHR activation by TSH phosphorylates protein kinases AK
3 TSHR activation is initiated by binding of the hormone l
4 TSHR autoantibodies with TSH agonist or antagonist activ
5 TSHR cleavage at upstream site 1 (within amino acid resi
6 TSHR levels are 11-fold higher on thyrocytes than on TAO
7 TSHR mRNA also represents a new blood test to aid assess
8 TSHR mRNA provides an additional clinical tool for the e
9 TSHR mRNA was measured by quantitative RT-PCR from blood
10 TSHR rs12101255 and rs2268458 polymorphisms had no assoc
11 TSHR signaling overlaps with that of insulin-like grow f
12 TSHR-KO mice presented with developmental and growth del
13 TSHRs were not internalized by 30 min incubation with un
14 TSHRs, but not the closely related lutropin or follitrop
17 embrane domain was defined by docking into a TSHR homology model and was supported by site-directed m
18 ary for trafficking to the cell surface of a TSHR with high affinity TSH binding similar to the wild-
20 cells previously exposed to increased TSH, a TSHR agonist, a cAMP analog, or a TSHR-stimulating antib
21 ts of retrovirally-transduced mutant (A623I) TSHR or (Q227L) Galphas (GSP), using the rat thyroid cel
23 of ligand-independent, constitutively active TSHR abrogates osteoclast formation even under basal con
24 pport the concept of a constitutively active TSHR dimer or monomer that is naturally inhibited by the
28 this study, we compare levels of IGF-1R and TSHR on the surfaces of TAO and control orbital fibrobla
31 , comprising disulfide-linked TSHR-alpha and TSHR-beta subunits, was required for the formation of TS
34 er in individually transfected TSHR(GFP) and TSHR(Myc):Cy3 cells cultured together and also by accept
35 inding kinetics for the TSH holoreceptor and TSHR ECD-GPI was obtained upon comparison of the TSH K(d
40 nto pure CD34(+) and CD34(-) subsets, Tg and TSHR mRNA levels become substantially higher in CD34(+)
44 washing the cells to remove unbound TSH, and TSHR internalization by fluorescence microscopy using Al
47 arious permutations of the four cysteines at TSHR positions 24, 29, 31, and 41 (signal peptide residu
48 the TSHR by stimulating TSHR autoantibodies (TSHR-Ab's) in Graves disease patients may provide a func
51 he in vivo proliferative response to chronic TSHR stimulation relies heavily on the activation of the
52 /- and TSHR+/- mice is abrogated in compound TSHR-/-/TNFalpha-/- and TSHR+/-/TNFalpha+/- mice, respec
53 underlying molecular mechanism of decreased TSHR expression, we examined the methylation status of t
54 -dose A-subunit adenovirus failed to develop TSHR Abs, hyperthyroidism, or splenocyte responses to TS
55 ith high-dose A-subunit adenovirus developed TSHR Abs with thyrotropin-binding inhibitory activity, a
56 SHR A-subunit protein unexpectedly developed TSHR Abs, but only of the nonpathogenic variety detected
61 inases in 2 cell lines engineered to express TSHRs, human embryonic kidney HEK-TSHR cells and human o
62 , and 0.0059 +/- 0.0014 for cells expressing TSHR alone, TSHR and L252P, or TSHR and C41S, respective
70 lls, known as fibrocytes, express functional TSHR, infiltrate the orbit, and comprise a large subset
71 tibodies, NOD.H2(h4) mice with the human (h) TSHR (hTSHR) A-subunit transgene expressed in the thyroi
75 overed a small molecule that activates human TSHR in vitro, is orally active in mice, and could be a
77 hese agonists are highly selective for human TSHR versus other glycoprotein hormone receptors and int
79 free A-subunit rather than full-length human TSHR, the shed A-subunit appears to drive the disease-as
80 with a soluble extracellular domain of human TSHR (TBP), or TBP expressed on human embryonic kidney c
81 us demonstrate aberrant methylation of human TSHR as a likely molecular pathway responsible for the s
82 nses, spontaneously arising pathogenic human TSHR Abs cross-react poorly with the mouse TSHR and do n
83 We hypothesized that transferring the human TSHR A-subunit to NOD.H2(h4) mice would result in loss o
84 HEK-EM293 cells permanently expressing human TSHRs incubated with isobutylmethylxanthine for 30 min a
85 Chinese hamster ovary cells expressing human TSHRs using flow cytometry and enzyme-linked immunosorbe
90 g the pre-existing pathogenic TSHR level, in TSHR/NOD.H2(h4) mice inactive hTSHR Ag injected without
93 with A-subunit protein and adjuvants induced TSHR Abs lacking the characteristics of human autoantibo
94 t on TSHR cAMP signaling, dynasore inhibited TSHR cAMP signaling in the absence or presence of TSHR i
95 iously, in an induced mouse model, injecting TSHR A-subunit protein attenuated hyperthyroidism by div
98 In this study, we generated a TSHR knockout (TSHR-KO) mouse by homologous recombination for use as a
99 tations were strongly associated with known (TSHR, GNAS) or presumed (adenylate cyclase 9 [ADCY9]) al
100 We found that hyperthyroid mice lacking TSHR had greater bone loss and resorption than hyperthyr
102 roximately 50%) was evident in a chimeric LH-TSHR in which the juxtamembrane segment of the LHR (doma
103 bunit structure, comprising disulfide-linked TSHR-alpha and TSHR-beta subunits, was required for the
105 wever, only TSHR-transgenic NOD.H2(h4) mice (TSHR/NOD.H2(h4)) developed pathogenic TSHR Abs as detect
107 1/2 (3.1+/-0.2-fold), whereas small molecule TSHR agonist C2 had no or little effect on pAKT1 (1.8+/-
110 In contrast, loss of function of a mutant TSHR (Pro --> Leu at 556) in congenital hypothyroid mice
112 d for radiolabeled TSH binding to the native TSHR and was able to compete for TSH-induced stimulation
113 ized mice developed autoantibodies to native TSHR by day 90 and, by day 180, showed considerable stim
115 estigate disease pathogenesis and test novel TSHR Ag-specific immunotherapies aimed at curing Graves'
116 ective validation study tests the ability of TSHR mRNA to diagnose DTC preoperatively and to detect c
120 a more precise estimation of the effects of TSHR single nucleotide polymorphisms (SNPs) on GD/GO usi
121 , the same two SNPs located at the 5' end of TSHR showed the most significant association with spawni
122 HR gene expression and facilitates escape of TSHR-reactive T cells from central tolerance, triggering
124 In this report, we confirm the expression of TSHR in thymocytes by protein immunoblotting and quantit
126 n in Western breeds and the near fixation of TSHR in all modern chickens took place only in the past
130 sis of three-dimensional molecular models of TSHR and LHCGR predicted a binding pocket for org41841 i
131 tivation by demonstrating MS-1 modulation of TSHR function in vitro as evidenced by downregulation an
132 compound combined with prior mutagenesis of TSHR provided compelling experimental evidence in suppor
133 at TG processing in the secretory pathway of TSHR-hyperstimulated thyrocytes alters the structure of
135 cAMP signaling in the absence or presence of TSHR internalization, and expression of a dominant-negat
136 pression of beta-arrestin-2 had no effect on TSHR cAMP signaling, dynasore inhibited TSHR cAMP signal
138 -gamma(-/-) mice developed EAGD with optimal TSHR-specific immune responses, while IL-4(-/-) mice com
140 essed with TSHR, that is, when TSHR/L252P or TSHR/C41S heterodimers could only bind one TSH, TSH-stim
142 These in vivo studies suggested a partial TSHR inactivation induced by excessive stimulation by MS
143 spontaneous, iodine-accelerated, pathogenic TSHR Abs in female mice, providing a unique model to inv
144 mice (TSHR/NOD.H2(h4)) developed pathogenic TSHR Abs as detected using clinical Graves' disease assa
146 model that spontaneously develops pathogenic TSHR autoantibodies, NOD.H2(h4) mice with the human (h)
148 than attenuating the pre-existing pathogenic TSHR level, in TSHR/NOD.H2(h4) mice inactive hTSHR Ag in
151 oplasms or suspicious cytology, preoperative TSHR mRNA >1 ng/mug had 96% predictive value for DTC, wh
152 17) in a region corresponding to the primary TSHR cleavage site, which has only one N-linked glycan.
153 ever, expression of beta-arrestin-2 promoted TSHR internalization that was inhibited by dynasore, a d
154 eptor tagged with green fluorescent protein (TSHR(GFP)) and expressed in a heterologous system was pr
156 to the thyroid-stimulating hormone receptor (TSHR) (TSAbs) that induce a sustained state of hyperthyr
157 nd the thyroid-stimulating hormone receptor (TSHR) are targets for autoantibody generation in the aut
159 of the thyroid stimulating hormone receptor (TSHR) gene with GD and GO have been studied in different
161 The thyroid stimulating hormone receptor (TSHR) is a G protein-coupled receptor (GPCR) with a char
162 The thyroid-stimulating hormone receptor (TSHR) is a G protein-linked, 7-transmembrane domain (7-T
164 undred thyroid stimulating hormone receptor (TSHR) mutations, as well as cancer related mutations in
165 to the thyroid-stimulating hormone receptor (TSHR) on the thyroid gland, triggering thyroid hormone r
167 The thyroid stimulating hormone receptor (TSHR) represents the primary autoantigen in GD, in which
170 es for thyroid-stimulating hormone receptor (TSHR), the SOX11 transcription factor (SOX11), calmoduli
171 elated thyroid-stimulating hormone receptor (TSHR), was fundamentally altered, and the resulting anal
174 AAM2R with stimulating thyrotropin receptor (TSHR) antibodies was evaluated before and after adsorpti
175 e studied cell surface thyrotropin receptor (TSHR) by biotinylating proteins on the surface of metabo
176 rich N terminus of the thyrotropin receptor (TSHR) ectodomain and epidermal growth factor-like repeat
177 rculating DTC cells by thyrotropin receptor (TSHR) mRNA measurement distinguished benign from maligna
178 Abs that stimulate the thyrotropin receptor (TSHR), the cause of Graves' hyperthyroidism, only develo
183 g to identify a small-molecule TSH receptor (TSHR) agonist that was modified to produce a second agon
184 -stimulating hormone (TSH) and TSH receptor (TSHR) and is indispensable for TSH/TSHR-mediated prolife
186 e resorption, mediated via the TSH receptor (TSHR) found on osteoblast and osteoclast precursors.
187 H binding to both sites of the TSH receptor (TSHR) homodimer, and TSH-stimulated IP1 production (EC(5
188 gative cooperativity) requires TSH receptor (TSHR) homodimerization, the latter involving primarily t
190 ions in the genes encoding the TSH receptor (TSHR) or the Gs protein alpha subunit (GNAS) are found i
191 cells defined by expression of TSH receptor (TSHR) using flow cytometry were selectively associated w
192 tropin (TSH) activation of the TSH receptor (TSHR), a 7-transmembrane-spanning receptor (7TMR), may h
194 into the thyrotropin hormone (TSH) receptor (TSHR) cleavage, we sought to convert the noncleaving lut
196 thyroid stimulating hormone (TSH) receptor (TSHR) with high affinity, inhibit labelled TSH binding t
198 thyroid-stimulating hormone (TSH) receptor (TSHR), TSH negatively regulates osteoclast differentiati
199 thyroid-stimulating hormone (TSH)] receptor (TSHR) is known to acutely and persistently stimulate cAM
201 on of thyroid-stimulating hormone receptors (TSHRs), patients develop a syndrome of relative T3 toxic
202 y, our data alter current concepts regarding TSHR cleavage by suggesting limited (not absent) amino-a
206 gnition by TSAb of the holoreceptor, soluble TSHR A subunits (known to be shed from surface TSHR) ful
207 igen in autoimmune thyroid disease, and some TSHR antibodies may activate the receptor, while others
209 hus, inactivation of the TSHR by stimulating TSHR autoantibodies (TSHR-Ab's) in Graves disease patien
210 measured persistent signaling by stimulating TSHR-expressing human embryonic kidney-EM293 cells with
214 HR A subunits (known to be shed from surface TSHR) fully neutralized autoantibody-binding activity.
216 rovided in vivo evidence, demonstrating that TSHR expression was required for expression of sodium-io
218 n thyroid tumor cell lines, we observed that TSHR was normally expressed at the protein and mRNA leve
219 er (FRET) using tagged receptors showed that TSHR formed homodimers and heterodimers with two binding
223 tion, confirming once again our premise that TSHRs have a critical role in regulating bone remodeling
225 the former, was surprising because both the TSHR ECD and TSH holoreceptor contain the entire TSH-bin
226 served that the TSH binding affinity for the TSHR ECD-GPI was significantly lower than that for the T
229 interaction involving a noncoding SNP in the TSHR gene that regulates thymic TSHR gene expression and
231 Although early studies investigating the TSHR and GD proved inconclusive, more recently we provid
233 by downregulation and desensitization of the TSHR at concentrations of MS-1 achieved in the in vivo s
235 found to be secondary to dissociation of the TSHR complexes as evidenced by an increase in fluorescen
236 f the receptor can result in shedding of the TSHR ectodomain, providing a source of antigen and activ
237 n, we examined the methylation status of the TSHR gene promoter by sequencing bisulfite-treated DNA f
239 s' disease, interact with this region of the TSHR in a manner critically dependent on antigen conform
241 ysteine (Cys) residues in this region of the TSHR on the functional response to TSAb in Graves' patie
243 NPs, across an extended 800 kb region of the TSHR to refine association in a cohort of 768 GD subject
245 ted that the less active conformation of the TSHR was comprised of receptor complexes and that such c
246 ue distance restraints within the ECD of the TSHR, its ligand TSH, and the hormone-receptor complex.
250 the glycoprotein hormone receptors, only the TSHR undergoes intramolecular cleavage into disulfide-li
252 ells that a mouse mAb (3BD10) recognized the TSHR ectodomain with a glycosidylphosphatidylinositol (E
254 MD in negative cooperativity, we studied the TSHR ECD tethered to the cell surface by a glycosylphosp
256 A 50-amino acid insertion unique to the TSHR ectodomain (residues 317-366) plays no role in liga
257 ise the possibility that autoimmunity to the TSHR in humans may not involve epitopes on a cross-react
258 or amplifies the autoimmune response to the TSHR, thereby causing Graves disease in genetically susc
260 he protein and mRNA level in cells where the TSHR gene was unmethylated, whereas it was silenced in c
262 cognized a conformational epitope within the TSHR alpha (or A) subunit but excluding the receptor cle
264 g SNP in the TSHR gene that regulates thymic TSHR gene expression and facilitates escape of TSHR-reac
265 Using functional assays, we show that thymic TSHR is functional and that TSAbs can stimulate thymocyt
266 d translocation of beta-arrestin-1 and -2 to TSHR, whereas C2 failed to translocate either beta-arres
269 germline, which showed negligible binding to TSHR, indicating importance of somatic hypermutation in
274 emonstrated that skewing immune responses to TSHR, using either Flt3-L or GM-CSF, in favor of Th1 or
275 ate and organify iodide could be restored to TSHR-KO thyroids when cultured in the presence of the ad
276 s dependent on binding 2 molecules of TSH to TSHR homodimer, causing a conformational change allowing
277 energy transfer in individually transfected TSHR(GFP) and TSHR(Myc):Cy3 cells cultured together and
278 receptor (TSHR) and is indispensable for TSH/TSHR-mediated proliferation of thyroid follicular cells
279 y identifies GLIS3 as a key regulator of TSH/TSHR-mediated thyroid hormone biosynthesis and prolifera
281 rovide the first evidence that the wild-type TSHR TMD influences ligand binding affinity for the ECD,
282 er than the same ectodomain on the wild-type TSHR, despite the far higher level of expression of the
286 roglobulin antibodies, 96% with undetectable TSHR mRNA also had no evidence of cancer recurrence.
289 C41S was expressed with TSHR, that is, when TSHR/L252P or TSHR/C41S heterodimers could only bind one
298 region, namely LHR-NET317-319 replaced with TSHR-GQE367-369, or by substitution of the same three am
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