Ophthalmic manifestations are associated with reduced tear lymphotoxin-α levels in chronic ocular graft-versus-host disease

Jiao Ma, Chendi Li, Yinghan Zhao, Zhan Shen, Bohao Hu, Rongmei Peng, Jing Hong, Jiao Ma, Chendi Li, Yinghan Zhao, Zhan Shen, Bohao Hu, Rongmei Peng, Jing Hong

Abstract

Purpose: To determine the role tear lymphotoxin-α (LT-α) in chronic ocular graft-versus-host disease (oGVHD).

Methods: Twenty-two chronic oGVHD and 17 control tear samples were collected, and commercial test strips were used to detect LT-α concentrations. Concentration differences between patients with and without oGVHD were determined via Mann-Whitney U test. The correlation between LT-α levels and ophthalmic parameters was analyzed using Spearman's test.

Results: The concentration of LT-α was significantly lower in oGVHD patients than in controls. LT-α levels were significantly correlated with OSDI, NIH eye score, T-BUT, and CFS among all participants. ROC analysis revealed that the area under the curve of LT-α was 0.847, and the cutoff value for chronic oGVHD diagnosis was 0.203 ng/mL.

Conclusion: Our study revealed the significant decrease of tear LT-α in oGVHD, and suggested LT-α as a promising marker for chronic oGVHD diagnosis.

Keywords: Biomarker; Lymphotoxin-α; Ocular graft-versus-host disease; Tear film.

Conflict of interest statement

The authors declare no competing interests in this work.

© 2022. The Author(s).

Figures

Fig. 1
Fig. 1
Tear LT-α concentration. A Tear concentration of LT-α was compared between patients with (n = 22) and without (n = 17) oGVHD. B-D Tear LT-α levels were compared between the male and female among all patients (B), oGVHD subpopulations (C), and controls (D). *P < 0.05, **P < 0.01, ***P < 0.001, ****P < 0.0001 using Mann-Whitney U test
Fig. 2
Fig. 2
ROC curve of LT-α. Receiver operating characteristic (ROC) curve of tear LT-α to predict oGVHD. Area under the curve (AUC) = 0.8743; 95% CI (0.7502 to 0.9984); P < 0.0001

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Source: PubMed

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