2013
DOI: 10.1111/ene.12270
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Antibodies to clustered acetylcholine receptor: expanding the phenotype

Abstract: Patients with antibodies to clustered AChR account for a significant proportion of SNMG patients and resemble patients with AChR antibodies detected by standard radio-immunoprecipitation.

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Cited by 53 publications
(50 citation statements)
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“…CBAs are increasingly used in routine diagnosis for the detection of MG autoantibodies as they seem able to detect antibodies in sera found seronegative with the conventional RIPA and ELISA methods (Leite et al, 2010;Vincent et al, 2012;Devic et al, 2014). We used in principle the CBA developed by Leite et al (2008) for the detection of antibodies against MuSK, using HEK293 cells expressing the fulllength human MuSK protein.…”
Section: Discussionmentioning
confidence: 99%
“…CBAs are increasingly used in routine diagnosis for the detection of MG autoantibodies as they seem able to detect antibodies in sera found seronegative with the conventional RIPA and ELISA methods (Leite et al, 2010;Vincent et al, 2012;Devic et al, 2014). We used in principle the CBA developed by Leite et al (2008) for the detection of antibodies against MuSK, using HEK293 cells expressing the fulllength human MuSK protein.…”
Section: Discussionmentioning
confidence: 99%
“…These anti-AChR abs-negative patients may have clustered AChR abs or anti-LRP4 abs [2] , because only 5% of the patients (2/40) without detectable anti-AChR abs tested positive for anti-MuSK abs. In the double-seronegative MG patients without anti-AChR abs or anti-MuSK abs, 16-50% of the patients tested positive for clustered AChR abs [2,31] , and 9.2-50% were positive for anti-LRP4 abs [32][33][34] . The majority of the double-seronegative MG patients resembled patients with ocular or mild generalized AChR-MG in clinical manifestation and treatment response [31,32] .…”
Section: Discussionmentioning
confidence: 99%
“…OMG is also involved with the presence of disease-specific antibodies [2,19,31,32,36] . The consistent production of anti-AChR abs has been found to be elevated in 50% of patients with OMG and 90% of patients with GMG [36] .…”
Section: Discussionmentioning
confidence: 99%
“…Ces anticorps sont majoritairement de sous-classe IgG1 et peuvent donc activer le complément (comme d'ailleurs les anti-RACh détectés par RIPA). Ces anticorps anti-RACh à faible affinité sont à 100 % spécifiques de la myasthénie et peuvent être responsables de 16 à 38 % des cas de myasthénie séronégative [8,9]. D'un point de vue clinique, les anticorps anti-RACh à faible affinité sont habituellement retrouvés chez les patients myasthéniques pré-sentant un tableau peu sévère, le plus souvent de forme oculaire.…”
Section: « Nouveaux Anticorps » : Physiopathologie Et Aspects Cliniquesunclassified