Annals of clinical and translational neurology · 2020
Serum levels of cell adhesion molecules in patients with neuromyelitis optica spectrum disorder.
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Chang Bao-Luen, Ro Long-Sun, Chen Chiung-Mei, Lo Yen-Shi, Lyu Rong-Kuo, Kuo Hung-Chou, Liao Ming-Feng, Chang Chun-Wei, Chang Hong-Shiu, Huang Ching-Chang, Wu Yih-Ru, Chu Chun-Che, Weng Yi-Ching, Chang Kuo-Hsuan
Аннотация
OBJECTIVES: Blood-brain barrier (BBB) disruption is a critical pathological process involved in neuromyelitis optica spectrum disorder (NMOSD). Here, we characterized the profile of five cell adhesion molecules in patients with NMOSD.
METHODS: We measured levels of cell adhesion molecules, including ICAM-1, ICAM-2, VCAM-1, PECAM-1, and NCAM-1, in the serum of 28 patients with NMOSD, 24 patients with multiple sclerosis (MS), and 25 healthy controls (HCs).
RESULTS: ICAM-2 levels (median: 394.8 ng/mL) were increased in patients with NMOSD compared with MS (267.1 ng/mL, P = 0.005) and HCs (257.4 ng/mL, P = 0.007), and VCAM-1 and ICAM-1 levels were higher in patients with NMOSD (641.9 ng/mL and 212.7 ng/mL, respectively) compared with HCs (465 ng/mL [P = 0.013] and 141.8 ng/mL [P = 0.002], respectively). However, serum PECAM-1 levels were lower in patients with NMOSD (89.62 ng/mL) compared with MS (106.9 ng/mL, P = 0.015) and HCs (107.2 ng/mL, P = 0.007). Receiver operating characteristic curve analysis revealed that PECAM-1 (area under the curve (AUC): 0.729) and ICAM-2 (AUC: 0.747) had adequate abilities to distinguish NMOSD from MS, and VCAM-1 (AUC: 0.719), PECAM-1 (area under the curve: 0.743), ICAM-1 (AUC: 0.778), and ICAM-2 (AUC: 0.749) exhibited potential to differentiate NMOSD and HCs. Serum levels of PECAM-1 also demonstrated a negative correlation with Kurtzke Expanded Disability Status Scale scores in patients with NMOSD.
INTERPRETATION: Our results reveal possible BBB breakdown signals specifically observed in NMOSD and highlight the potential role of cell adhesion molecules as biomarkers of this disease.
METHODS: We measured levels of cell adhesion molecules, including ICAM-1, ICAM-2, VCAM-1, PECAM-1, and NCAM-1, in the serum of 28 patients with NMOSD, 24 patients with multiple sclerosis (MS), and 25 healthy controls (HCs).
RESULTS: ICAM-2 levels (median: 394.8 ng/mL) were increased in patients with NMOSD compared with MS (267.1 ng/mL, P = 0.005) and HCs (257.4 ng/mL, P = 0.007), and VCAM-1 and ICAM-1 levels were higher in patients with NMOSD (641.9 ng/mL and 212.7 ng/mL, respectively) compared with HCs (465 ng/mL [P = 0.013] and 141.8 ng/mL [P = 0.002], respectively). However, serum PECAM-1 levels were lower in patients with NMOSD (89.62 ng/mL) compared with MS (106.9 ng/mL, P = 0.015) and HCs (107.2 ng/mL, P = 0.007). Receiver operating characteristic curve analysis revealed that PECAM-1 (area under the curve (AUC): 0.729) and ICAM-2 (AUC: 0.747) had adequate abilities to distinguish NMOSD from MS, and VCAM-1 (AUC: 0.719), PECAM-1 (area under the curve: 0.743), ICAM-1 (AUC: 0.778), and ICAM-2 (AUC: 0.749) exhibited potential to differentiate NMOSD and HCs. Serum levels of PECAM-1 also demonstrated a negative correlation with Kurtzke Expanded Disability Status Scale scores in patients with NMOSD.
INTERPRETATION: Our results reveal possible BBB breakdown signals specifically observed in NMOSD and highlight the potential role of cell adhesion molecules as biomarkers of this disease.