• Mingzhi Xu, Mingjiao Pan, Na An, Ruman Chen, Yafei Bai, Jiqing He, Chunli Wang, and Yonghui Qi.
• Blood Purification Center, Hainan General Hospital (Hai-nan Affiliated Hospital of Hainan Medical University), Haikou, China.
• Libyan J Med. 2023 Dec 1; 18 (1): 21941002194100.

AbstractVascular calcification (VC) is prevalent in uremia patients, lacking effective molecular biomarkers. This study was conducted to explore the role of serum cell division cycle 42 (CDC42) in the diagnosis of uremic VC incidence and progression. We enrolled 104 uremia patients and selected arcus aortae calcification (AAC) as the outcome phenotype. Levels of CDC42, 1,25-dihydroxy vitamin D (1,25(OH) 2-D), fibroblast growth factor-23 (FGF-23), and other laboratory parameters in the blood were measured. The receiver operator characteristic curve, the Pearson test, and the multivariate Logistic regression were used for the analysis of CDC42 diagnostic values, correlation analysis, and screening of VC risk factors, respectively. CDC42 was higher in the serum of uremia patients with VC and elevated with the increase in AAC level. Serum CDC42 level>1.025 was predictive of VC incidence with 83.58% sensitivity and 56.76% specificity, and CDC42 level>1.280 was predictive of VC progression with 73.33% sensitivity and 68.18% specificity. Serum CDC42 was positively correlated with 1,25(OH) 2-D and FGF-23. Uremia patients with higher serum CDC42 had a higher probability of VC incidence and progression. Generally, serum CDC42 helped the diagnosis of uremic VC incidence and progression and was an independent risk factor for uremic VC progression.

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