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  • Low serum vitamin D levels are associated with severe histological features and poor response to therapy in patients with autoimmune hepatitis.

Low serum vitamin D levels are associated with severe histological features and poor response to therapy in patients with autoimmune hepatitis.

Digestive diseases and sciences (2014-07-09)
Cumali Efe, Taylan Kav, Cisel Aydin, Mustafa Cengiz, Narin Nasıroglu Imga, Tugrul Purnak, Daniel S Smyk, Murat Torgutalp, Turan Turhan, Seren Ozenirler, Ersan Ozaslan, Dimitrios P Bogdanos
摘要

25-Hydroxyvitamin D [25(OH)D] has an important role in fibrosis progression and inflammatory response in patients with various etiologies of chronic liver disease. However, its influence on autoimmune hepatitis (AIH) has not been investigated. We evaluated the association of serum 25(OH)D levels with clinical, biochemical and histological features and response to therapy in AIH. Serum 25(OH)D levels were quantified in 68 therapy naïve AIH patients and 34 healthy controls. Mean serum 25(OH)D levels were significantly lower in AIH compared to healthy controls (16.8 ± 9.2 vs. 35.7 ± 13.6, p < 0.0001). Low levels of 25(OH)D (<30 µg/L) were independently associated with advance fibrosis and severe interface hepatitis in AIH patients [p = 0.014; odds ratio (OR) 0.12, 95% confidence interval (CI) 0.02-0.65 and p = 0.020; OR 0.17, 95% CI 0.04-0.76, respectively]. Severe 25(OH)D deficiency (<10 µg/L) was associated with advance fibrosis, severe interface hepatitis, low platelet counts and sampling time in a univariate analysis. Only interface hepatitis and fibrosis scores were independently associated with 25(OH)D deficiency in a multiple regression analysis (p = 0.005; OR 0.12, 95% CI 0.03-0.53 and p = 0.022; OR 0.15, 95% CI 0.03-0.75, respectively). Mean serum 25(OH)D levels were lower in non-responders compared to responders (9.2 ± 4.8 vs. 17.1 ± 9.4, p = 0.015), and 25(OH)D deficiency was more commonly observed in non-responders than the responders (80 vs. 43%, p = 0.036). Low 25(OH)D levels are associated with advance fibrosis and severe inflammation in AIH. Our study suggests that vitamin D may be a potential biomarker that predicts response to therapy and histological features in AIH.

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产品描述

Supelco
25-羟基维生素D3标准液 CRM 溶液, 100 μg/mL in ethanol, ampule of 1 mL, certified reference material, Cerilliant®
Sigma-Aldrich
25-羟基胆钙化醇, ≥98% (HPLC)
Sigma-Aldrich
3--25-羟基维生素 D3, 98% (CP)
Supelco
25-羟基维生素D3标准液 CRM 溶液, 5 μg/mL in ethanol, ampule of 1 mL, certified reference material, Cerilliant®

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