Voltage-gated potassium channel antibodies in limbic encephalitis.

We found voltage-gated potassium channel (VGKC) antibodies in 4 of 15 patients with limbic encephalitis (LE). Two patients with idiopathic LE had high VGKC antibody levels (>800 pM; controls <100 pM), that fell in parallel with a clinical response to immunotherapy. Two patients with lo...

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Main Authors: Pozo-Rosich, P, Clover, L, Saiz, A, Vincent, A, Graus, F
Format: Journal article
Language:English
Published: 2003
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author Pozo-Rosich, P
Clover, L
Saiz, A
Vincent, A
Graus, F
author_facet Pozo-Rosich, P
Clover, L
Saiz, A
Vincent, A
Graus, F
author_sort Pozo-Rosich, P
collection OXFORD
description We found voltage-gated potassium channel (VGKC) antibodies in 4 of 15 patients with limbic encephalitis (LE). Two patients with idiopathic LE had high VGKC antibody levels (>800 pM; controls <100 pM), that fell in parallel with a clinical response to immunotherapy. Two patients with lower VGKC antibodies (170 pM, 300 pM) had lung cancer (radiological evidence only in one) and the LE improved with immunotherapy in one. The other 11 patients without VGKC antibodies had paraneoplastic LE and eight onconeural antibodies (Hu in 6; Ma2 in 2). VGKC antibodies do not unambiguously discriminate between idiopathic or paraneoplastic LE but probably indicate a good response to immunotherapy.
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spelling oxford-uuid:fea8dccc-8d7c-4ca6-bc10-415a49bb051a2022-03-27T13:38:21ZVoltage-gated potassium channel antibodies in limbic encephalitis.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:fea8dccc-8d7c-4ca6-bc10-415a49bb051aEnglishSymplectic Elements at Oxford2003Pozo-Rosich, PClover, LSaiz, AVincent, AGraus, FWe found voltage-gated potassium channel (VGKC) antibodies in 4 of 15 patients with limbic encephalitis (LE). Two patients with idiopathic LE had high VGKC antibody levels (>800 pM; controls <100 pM), that fell in parallel with a clinical response to immunotherapy. Two patients with lower VGKC antibodies (170 pM, 300 pM) had lung cancer (radiological evidence only in one) and the LE improved with immunotherapy in one. The other 11 patients without VGKC antibodies had paraneoplastic LE and eight onconeural antibodies (Hu in 6; Ma2 in 2). VGKC antibodies do not unambiguously discriminate between idiopathic or paraneoplastic LE but probably indicate a good response to immunotherapy.
spellingShingle Pozo-Rosich, P
Clover, L
Saiz, A
Vincent, A
Graus, F
Voltage-gated potassium channel antibodies in limbic encephalitis.
title Voltage-gated potassium channel antibodies in limbic encephalitis.
title_full Voltage-gated potassium channel antibodies in limbic encephalitis.
title_fullStr Voltage-gated potassium channel antibodies in limbic encephalitis.
title_full_unstemmed Voltage-gated potassium channel antibodies in limbic encephalitis.
title_short Voltage-gated potassium channel antibodies in limbic encephalitis.
title_sort voltage gated potassium channel antibodies in limbic encephalitis
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AT cloverl voltagegatedpotassiumchannelantibodiesinlimbicencephalitis
AT saiza voltagegatedpotassiumchannelantibodiesinlimbicencephalitis
AT vincenta voltagegatedpotassiumchannelantibodiesinlimbicencephalitis
AT grausf voltagegatedpotassiumchannelantibodiesinlimbicencephalitis