Evidence map›Paper›PMID 39279053›Full record

ArticleCNS neuroscience & therapeutics2024

Autoimmune astrocytopathy double negative for AQP4-IgG and GFAP-IgG: Retrospective research of clinical practice, biomarkers, and pathology.

Pei-Hao Lin, Hai-Yan Yao, Li Huang, Cong-Cong Fu, Xiao-Li Yao, Chun Lian, Shi-Feng Zhang, Wen-Dong Lai, Guan-Yan Lin, Sha Liao and 7 more

Abstract read
In one paragraph

Article in CNS neuroscience & therapeutics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Review
  4. Targeting ASK1 signaling in neurodegeneration: molecular insights and therapeutic promise.Apoptosis : an international journal on programmed cell death · 2025
    Review
  5. Article
  6. Review
  7. Review
  8. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

17 authors.

Pei-Hao LinKey Laboratory of Neurogenetics and Channelopathies of Guangdong Province, Department of Neurology, Institute of Neuroscience, Ministry of Education of China, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.
Hai-Yan YaoKey Laboratory of Neurogenetics and Channelopathies of Guangdong Province, Department of Neurology, Institute of Neuroscience, Ministry of Education of China, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.
Li HuangKey Laboratory of Neurogenetics and Channelopathies of Guangdong Province, Department of Neurology, Institute of Neuroscience, Ministry of Education of China, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.
Cong-Cong FuDepartment of Neurology, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China.
Xiao-Li YaoDepartment of Neurology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.
Chun LianKey Laboratory of Neurogenetics and Channelopathies of Guangdong Province, Department of Neurology, Institute of Neuroscience, Ministry of Education of China, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.
Shi-Feng ZhangKey Laboratory of Neurogenetics and Channelopathies of Guangdong Province, Department of Neurology, Institute of Neuroscience, Ministry of Education of China, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.
Wen-Dong LaiKey Laboratory of Neurogenetics and Channelopathies of Guangdong Province, Department of Neurology, Institute of Neuroscience, Ministry of Education of China, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.
Guan-Yan LinKey Laboratory of Neurogenetics and Channelopathies of Guangdong Province, Department of Neurology, Institute of Neuroscience, Ministry of Education of China, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.
Sha LiaoKey Laboratory of Neurogenetics and Channelopathies of Guangdong Province, Department of Neurology, Institute of Neuroscience, Ministry of Education of China, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.
Jie YangKey Laboratory of Neurogenetics and Channelopathies of Guangdong Province, Department of Neurology, Institute of Neuroscience, Ministry of Education of China, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.
Zhi-Feng MaoInstitution of Kingmed, Guangzhou Medical University, Guangzhou, China.
Ding LiuDepartment of Neurology, The Third Xiangya Hospital of Central South University, Changsha, China.
Bao-Yi LongThe First Clinical College, Changsha Medical University, Changsha, China.
Jia-Jia YueKey Laboratory of Neurogenetics and Channelopathies of Guangdong Province, Department of Neurology, Institute of Neuroscience, Ministry of Education of China, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.
Cong GaoKey Laboratory of Neurogenetics and Channelopathies of Guangdong Province, Department of Neurology, Institute of Neuroscience, Ministry of Education of China, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.
You-Ming LongKey Laboratory of Neurogenetics and Channelopathies of Guangdong Province, Department of Neurology, Institute of Neuroscience, Ministry of Education of China, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.ORCID 0000-0002-4004-2948

Funding

Basic and Applied Basic Research Foundation of Guangdong Province 2022A1515110143Basic and Applied Basic Research Foundation of Guangdong Province 2023A1515010225Multi-center Project of The Second Affiliated Hospital of Guangzhou Medical University 2022-LCYJ-YYDZX-04
6 · The paper itself

Abstract

objectiveThe objective of this study is to investigate the presence of astrocyte antibodies in patients, excluding aquaporin-4 or glial fibrillary acidic protein (GFAP) antibodies, while evaluating associated biomarkers and pathologies.

methodsPatient serum and cerebrospinal fluid (CSF) were tested for antibodies using tissue- and cell-based assays. Neurofilament light chain (NFL) and GFAP in the CSF were detected using single-molecule array (SIMOA).

results116 patients accepted SIMOA. Fifteen functional neurological disorders patients without antibodies were designated as controls. Thirty-five patients were positive for astrocyte antibodies (Anti-GFAP: 7; Anti-AQP4: 7; unknown antibodies: 21, designed as the double-negative group, DNAP). The most frequent phenotype of DNAP was encephalitis (42.9%), followed by myelitis (23.8%), movement disorders (19.0%), and amyotrophic lateral sclerosis-like (ALS-like) disease (14.2%). The levels of CSF GFAP and NFL in DNAP were higher than in the control (GFAP: 1967.29 [776.60-13214.47] vs 475.38 [16.80-943.60] pg/mL, p < 0.001; NFL: 549.11 [162.08-2462.61] vs 214.18 [81.60-349.60] pg/mL, p = 0.002). GFAP levels decreased in DNAP (n = 5) after immunotherapy (2446.75 [1583.45-6277.33] vs 1380.46 [272.16-2005.80] pg/mL, p = 0.043), while there was no difference in NFL levels (2273.78 [162.08-2462.61] vs 890.42 [645.06-3168.06] pg/mL, p = 0.893). Two brain biopsy patterns were observed: one exhibited prominent tissue proliferation and hypertrophic astrocytes, with local loss of astrocytes, while the other showed severe astrocyte depletion with loss of neurofilaments around the vessels. Eighteen patients received immunotherapy, and improved except one with ALS-like symptoms. We identified anti-vimentin in this patient. DISCUSSION: There are unidentified astrocyte antibodies. The manifestations of double-negativity are heterogeneous; nevertheless, the pathology and biomarkers remain consistent with astrocytopathy. Immunotherapy is effective.

Indexed as

Aquaporin 4AstrocytesBiomarkersGlial Fibrillary Acidic ProteinImmunoglobulin GAdolescentAdultAgedAutoantibodiesFemaleHumansMaleMiddle AgedNeurofilament ProteinsRetrospective StudiesYoung AdultAQP4 protein, humanAquaporin 4AutoantibodiesBiomarkersGFAP protein, humanGlial Fibrillary Acidic ProteinImmunoglobulin Gneurofilament protein LNeurofilament Proteinsautoimmune astrocytopathyautoimmune encephalitisglial fibrillary acidic proteinneurofilament light chain

Identifiers

PMID39279053
PMCPMC11402789

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.