4.4 Article

Serum and Mucosal CD30 in Pediatric Inflammatory Bowel Diseases: Useful Biomarker for Diagnosis and Disease Activity Monitoring?

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DIGESTIVE DISEASES AND SCIENCES
卷 68, 期 2, 页码 460-470

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SPRINGER
DOI: 10.1007/s10620-022-07677-4

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Crohn's disease; ELISA; Flow cytometry; T lymphocytes; Ulcerative colitis

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This study found that sCD30 levels were associated with disease activity in patients with UC and CD, but were not useful in distinguishing between the two diseases. The immune response of T lymphocyte subsets varied in different parts of the intestine in UC patients and was also affected by anti-TNF treatment and patient age.
Background Inflammatory bowel diseases (IBD) frequently manifest in pediatric age, but may have atypical clinical, histological and laboratory features. Their underlying immune pathophysiology is incompletely understood, rendering quick diagnosis followed by tailored therapy difficult. The tumor necrosis factor superfamily receptor CD30 has been proposed as a potential marker of ulcerative colitis (UC) and has also been associated with elevated Th2 helper T cells. Methods A cohort of pediatric patients with UC and Crohn's disease (CD) was evaluated for serum soluble CD30 (sCD30) using ELISA and expression of CD30 and subpopulations of Th1/Th2/Th17 lymphocytes in the gastrointestinal mucosa using flow cytometry (FCM). The dataset is supported by endoscopic and microscopic activity of the disease and basic laboratory markers of inflammation. Results The cohort consisted of 102 observations from 94 patients. sCD30 levels did not differ between patients with CD or UC. However, sCD30 levels correlated with levels of CRP, ESR, fecal calprotectin and albumin and also with clinical activity of the disease in patients with both UC and CD. FCM was not helpful in evaluation of mucosal CD30, which was lowly expressed and not associated with the diagnosis or disease activity. We show augmented Th2 and Th1/17 response in terminal ileum and right-sided colon and decreased Th1/17 response in left-sided colon of UC patients. T lymphocyte subsets were also affected by anti-TNF treatment and patients' age. Conclusions Neither sCD30 nor mucosal CD30 expression was helpful in differentiating between UC and CD. sCD30 seems to reflect a degree of systemic inflammation and clinical activity in IBD.

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