Anti-NMDAR antibodies, the blood–brain barrier, and anti-NMDAR encephalitis

Anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis is an antibody-related autoimmune encephalitis. It is characterized by the existence of antibodies against NMDAR, mainly against the GluN1 subunit, in cerebrospinal fluid (CSF). Recent research suggests that anti-NMDAR antibodies may reduc...

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Main Authors: Xiarong Gong, Niya Wang, Hongyan Zhu, Ning Tang, Kunhua Wu, Qiang Meng
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-12-01
Series:Frontiers in Neurology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fneur.2023.1283511/full
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author Xiarong Gong
Xiarong Gong
Niya Wang
Hongyan Zhu
Ning Tang
Kunhua Wu
Qiang Meng
author_facet Xiarong Gong
Xiarong Gong
Niya Wang
Hongyan Zhu
Ning Tang
Kunhua Wu
Qiang Meng
author_sort Xiarong Gong
collection DOAJ
description Anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis is an antibody-related autoimmune encephalitis. It is characterized by the existence of antibodies against NMDAR, mainly against the GluN1 subunit, in cerebrospinal fluid (CSF). Recent research suggests that anti-NMDAR antibodies may reduce NMDAR levels in this disorder, compromising synaptic activity in the hippocampus. Although anti-NMDAR antibodies are used as diagnostic indicators, the origin of antibodies in the central nervous system (CNS) is unclear. The blood–brain barrier (BBB), which separates the brain from the peripheral circulatory system, is crucial for antibodies and immune cells to enter or exit the CNS. The findings of cytokines in this disorder support the involvement of the BBB. Here, we aim to review the function of NMDARs and the relationship between anti-NMDAR antibodies and anti-NMDAR encephalitis. We summarize the present knowledge of the composition of the BBB, especially by emphasizing the role of BBB components. Finally, we further provide a discussion on the impact of BBB dysfunction in anti-NMDAR encephalitis.
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spelling doaj.art-83cea658cbf44a3c963190fa77a1ea152023-12-08T16:00:28ZengFrontiers Media S.A.Frontiers in Neurology1664-22952023-12-011410.3389/fneur.2023.12835111283511Anti-NMDAR antibodies, the blood–brain barrier, and anti-NMDAR encephalitisXiarong Gong0Xiarong Gong1Niya Wang2Hongyan Zhu3Ning Tang4Kunhua Wu5Qiang Meng6Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, ChinaDepartment of MR, The First People's Hospital of Yunnan Province, Kunming, Yunnan, ChinaDepartment of Neurology, The First People's Hospital of Yunnan Province, Kunming, Yunnan, ChinaDepartment of Clinical Laboratory, The First People's Hospital of Yunnan Province, Kunming, Yunnan, ChinaDepartment of Neurology, The First People's Hospital of Yunnan Province, Kunming, Yunnan, ChinaDepartment of MR, The First People's Hospital of Yunnan Province, Kunming, Yunnan, ChinaDepartment of Neurology, The First People's Hospital of Yunnan Province, Kunming, Yunnan, ChinaAnti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis is an antibody-related autoimmune encephalitis. It is characterized by the existence of antibodies against NMDAR, mainly against the GluN1 subunit, in cerebrospinal fluid (CSF). Recent research suggests that anti-NMDAR antibodies may reduce NMDAR levels in this disorder, compromising synaptic activity in the hippocampus. Although anti-NMDAR antibodies are used as diagnostic indicators, the origin of antibodies in the central nervous system (CNS) is unclear. The blood–brain barrier (BBB), which separates the brain from the peripheral circulatory system, is crucial for antibodies and immune cells to enter or exit the CNS. The findings of cytokines in this disorder support the involvement of the BBB. Here, we aim to review the function of NMDARs and the relationship between anti-NMDAR antibodies and anti-NMDAR encephalitis. We summarize the present knowledge of the composition of the BBB, especially by emphasizing the role of BBB components. Finally, we further provide a discussion on the impact of BBB dysfunction in anti-NMDAR encephalitis.https://www.frontiersin.org/articles/10.3389/fneur.2023.1283511/fullanti-NMDAR encephalitisblood–brain barrierneurovascular unitNMDAR receptorautoimmune disorder
spellingShingle Xiarong Gong
Xiarong Gong
Niya Wang
Hongyan Zhu
Ning Tang
Kunhua Wu
Qiang Meng
Anti-NMDAR antibodies, the blood–brain barrier, and anti-NMDAR encephalitis
Frontiers in Neurology
anti-NMDAR encephalitis
blood–brain barrier
neurovascular unit
NMDAR receptor
autoimmune disorder
title Anti-NMDAR antibodies, the blood–brain barrier, and anti-NMDAR encephalitis
title_full Anti-NMDAR antibodies, the blood–brain barrier, and anti-NMDAR encephalitis
title_fullStr Anti-NMDAR antibodies, the blood–brain barrier, and anti-NMDAR encephalitis
title_full_unstemmed Anti-NMDAR antibodies, the blood–brain barrier, and anti-NMDAR encephalitis
title_short Anti-NMDAR antibodies, the blood–brain barrier, and anti-NMDAR encephalitis
title_sort anti nmdar antibodies the blood brain barrier and anti nmdar encephalitis
topic anti-NMDAR encephalitis
blood–brain barrier
neurovascular unit
NMDAR receptor
autoimmune disorder
url https://www.frontiersin.org/articles/10.3389/fneur.2023.1283511/full
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