期刊
LIFE-BASEL
卷 12, 期 7, 页码 -出版社
MDPI
DOI: 10.3390/life12071056
关键词
systemic sclerosis; scleroderma; neurovascular guidance molecules; sNRP1; Sema3E; Slit2; peripheral microvasculopathy; nailfold videocapillaroscopy; ischemic digital ulcers
Systemic sclerosis (SSc) is a complex connective tissue disease characterized by microvascular tone dysregulation and peripheral microcirculatory abnormalities. This study found that circulating levels of soluble neuropilin 1 (sNRP1), semaphorin 3E (Sema3E), and Slit2 were associated with different clinical features of vascular disease in SSc patients.
Systemic sclerosis (SSc, scleroderma) is a complex connective tissue disease whose earliest clinical manifestations are microvascular tone dysregulation and peripheral microcirculatory abnormalities. Following previous evidence of an association between circulating neurovascular guidance molecules and SSc disturbed angiogenesis, here, we measured the levels of soluble neuropilin 1 (sNRP1), semaphorin 3E (Sema3E), and Slit2 by enzyme-linked immunosorbent assay in serum samples from a large case series of 166 SSc patients vs. 110 healthy controls. We focused on their possible correlation with vascular disease clinical features and applied logistic regression analysis to determine which of them could better reflect disease activity and severity. Our results demonstrate that, in SSc: (i) sNRP1 is significantly decreased, with lower sNRP1 serum levels correlating with the severity of nailfold videocapillaroscopy (NVC) abnormalities and the presence of ischemic digital ulcers (DUs); (ii) both Sema3E and Slit2 are increased, with Sema3E better reflecting early NVC abnormalities; and (iii) higher Sema3E correlates with the absence of DUs, while augmented Slit2 associates with the presence of DUs. Receiver operator characteristics curve analysis revealed that both circulating sNRP1 and Sema3E show a moderate diagnostic accuracy. Moreover, logistic regression analysis allowed to identify sNRP1 and Sema3E as more suitable independent biomarkers reflecting the activity and severity of SSc-related peripheral microvasculopathy.
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