Antibodies to Microtubule-Associated Protein 2 in Patients With Neuropsychiatric Systemic Lupus Erythematosus

Ralph C. Williams, Kazumitsu Sugiura, Eng M. Tan

研究成果: Article

67 引用 (Scopus)

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Objective. Microtubule-associated protein 2 (MAP-2), a cellular protein restricted to neurons, is important in the control of cytoskeletal integrity and other neuronal functions. We undertook this study to examine the presence of autoantibodies to MAP-2 in neuropsychiatric systemic lupus erythematosus (NPSLE). Methods. Sera from 100 patients with SLE, 74 patients witli other neurologic disorders and injuries (including cerebrovascular accidents, brain trauma, brain tumors, and demyelinating disorders), and 60 normal controls were examined both by enzyme immunoassays and by Western immunoblotting for autoantibodies to MAP-2. Sera designated positive for antibodies to MAP-2 were required to be positive in both assays. Results. Seventeen percent of SLE patients had autoantibodies to MAP-2, in contrast to 4% of neurologic injury/disease control patients (P = 0.028) and 1.7% of normal controls. In SLE, anti-MAP-2 positivity in both assays was associated with neuropsychiatric symptoms in 76.5% of patients, whereas the absence of anti-MAP-2 was associated with neuropsychiatric symptoms in 19.7% of patients (P = 0.0002). The neuropsychiatric symptoms in the former group included psychosis, seizure, neuropathy, and cerebritis. Conclusion. Autoantibodies to MAP-2, a neuron-restricted cytoskeletal protein, appear to be another immune marker for NPSLE.

元の言語English
ページ(範囲)1239-1247
ページ数9
ジャーナルArthritis and Rheumatism
50
発行部数4
DOI
出版物ステータスPublished - 01-04-2004

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Central Nervous System Lupus Vasculitis
Microtubule-Associated Proteins
Antibodies
Autoantibodies
Nervous System Trauma
Nervous System Diseases
Neurons
Cytoskeletal Proteins
Brain Diseases
Demyelinating Diseases
Serum
Immunoenzyme Techniques
Brain Neoplasms
Psychotic Disorders
Seizures
Biomarkers
Western Blotting
Stroke

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Rheumatology
  • Immunology
  • Pharmacology (medical)

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abstract = "Objective. Microtubule-associated protein 2 (MAP-2), a cellular protein restricted to neurons, is important in the control of cytoskeletal integrity and other neuronal functions. We undertook this study to examine the presence of autoantibodies to MAP-2 in neuropsychiatric systemic lupus erythematosus (NPSLE). Methods. Sera from 100 patients with SLE, 74 patients witli other neurologic disorders and injuries (including cerebrovascular accidents, brain trauma, brain tumors, and demyelinating disorders), and 60 normal controls were examined both by enzyme immunoassays and by Western immunoblotting for autoantibodies to MAP-2. Sera designated positive for antibodies to MAP-2 were required to be positive in both assays. Results. Seventeen percent of SLE patients had autoantibodies to MAP-2, in contrast to 4{\%} of neurologic injury/disease control patients (P = 0.028) and 1.7{\%} of normal controls. In SLE, anti-MAP-2 positivity in both assays was associated with neuropsychiatric symptoms in 76.5{\%} of patients, whereas the absence of anti-MAP-2 was associated with neuropsychiatric symptoms in 19.7{\%} of patients (P = 0.0002). The neuropsychiatric symptoms in the former group included psychosis, seizure, neuropathy, and cerebritis. Conclusion. Autoantibodies to MAP-2, a neuron-restricted cytoskeletal protein, appear to be another immune marker for NPSLE.",
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Antibodies to Microtubule-Associated Protein 2 in Patients With Neuropsychiatric Systemic Lupus Erythematosus. / Williams, Ralph C.; Sugiura, Kazumitsu; Tan, Eng M.

:: Arthritis and Rheumatism, 巻 50, 番号 4, 01.04.2004, p. 1239-1247.

研究成果: Article

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N2 - Objective. Microtubule-associated protein 2 (MAP-2), a cellular protein restricted to neurons, is important in the control of cytoskeletal integrity and other neuronal functions. We undertook this study to examine the presence of autoantibodies to MAP-2 in neuropsychiatric systemic lupus erythematosus (NPSLE). Methods. Sera from 100 patients with SLE, 74 patients witli other neurologic disorders and injuries (including cerebrovascular accidents, brain trauma, brain tumors, and demyelinating disorders), and 60 normal controls were examined both by enzyme immunoassays and by Western immunoblotting for autoantibodies to MAP-2. Sera designated positive for antibodies to MAP-2 were required to be positive in both assays. Results. Seventeen percent of SLE patients had autoantibodies to MAP-2, in contrast to 4% of neurologic injury/disease control patients (P = 0.028) and 1.7% of normal controls. In SLE, anti-MAP-2 positivity in both assays was associated with neuropsychiatric symptoms in 76.5% of patients, whereas the absence of anti-MAP-2 was associated with neuropsychiatric symptoms in 19.7% of patients (P = 0.0002). The neuropsychiatric symptoms in the former group included psychosis, seizure, neuropathy, and cerebritis. Conclusion. Autoantibodies to MAP-2, a neuron-restricted cytoskeletal protein, appear to be another immune marker for NPSLE.

AB - Objective. Microtubule-associated protein 2 (MAP-2), a cellular protein restricted to neurons, is important in the control of cytoskeletal integrity and other neuronal functions. We undertook this study to examine the presence of autoantibodies to MAP-2 in neuropsychiatric systemic lupus erythematosus (NPSLE). Methods. Sera from 100 patients with SLE, 74 patients witli other neurologic disorders and injuries (including cerebrovascular accidents, brain trauma, brain tumors, and demyelinating disorders), and 60 normal controls were examined both by enzyme immunoassays and by Western immunoblotting for autoantibodies to MAP-2. Sera designated positive for antibodies to MAP-2 were required to be positive in both assays. Results. Seventeen percent of SLE patients had autoantibodies to MAP-2, in contrast to 4% of neurologic injury/disease control patients (P = 0.028) and 1.7% of normal controls. In SLE, anti-MAP-2 positivity in both assays was associated with neuropsychiatric symptoms in 76.5% of patients, whereas the absence of anti-MAP-2 was associated with neuropsychiatric symptoms in 19.7% of patients (P = 0.0002). The neuropsychiatric symptoms in the former group included psychosis, seizure, neuropathy, and cerebritis. Conclusion. Autoantibodies to MAP-2, a neuron-restricted cytoskeletal protein, appear to be another immune marker for NPSLE.

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