Fluorescence-based reagent and spectrum-based optical reader for lactoferrin detection in tears: differentiating Sjögren’s syndrome from non-Sjögren’s dry eye syndrome

Autor: Chia-Ying Tsai, Chitsung Hong, Min-Yen Hsu, Tso-Ting Lai, Ching-Wen Huang, Cheng-Yo Lu, Wei-Li Chen, Chao-Min Cheng
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Scientific Reports, Vol 14, Iss 1, Pp 1-8 (2024)
Druh dokumentu: article
ISSN: 2045-2322
DOI: 10.1038/s41598-024-65487-2
Popis: Abstract Identification of an early biomarker and effective testing device to differentiate dry eye disease secondary to autoimmune disease (Sjögren’s syndrome dry eye disease) from non-Sjögren’s dry eye disease are prerequisites for appropriate treatment. We aimed to demonstrate the capacity of a new photo-detection device to evaluate tear lactoferrin levels as a tool for differentiating systemic conditions associated with dry eye disease. Patients with non-Sjögren’s and Sjögren’s syndrome dry eye disease (n = 54 and n = 52, respectively) and controls (n = 11) were enrolled. All participants completed the Ocular Surface Disease Index questionnaire. Tear collection was performed with Schirmer test, and tear break-up time was examined using a slit lamp. Tear lactoferrin was evaluated using our newly developed photo-detection device. The average lactoferrin concentration was significantly lower in samples from patients with non-Sjögren’s dry eye disease (0.337 ± 0.227 mg/mL, n = 54) and Sjögren’s syndrome dry eye disease (0.087 ± 0.010 mg/mL, n = 52) than in control samples (1.272 ± 0.54 mg/mL, n = 11) (p
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