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- Title
Serum thymic stromal lymphopoietin (TSLP) levels in atopic dermatitis patients: a systematic review and meta-analysis.
- Authors
García-Reyes, Marlenne Marisol; Zumaya-Pérez, Luis Carlos; Pastelin-Palacios, Rodolfo; Moreno-Eutimio, Mario Adán
- Abstract
Thymic stromal lymphopoietin (TSLP) is critical in developing allergic responses, including atopic dermatitis (AD). We systematically reviewed the literature to complete a meta-analysis to quantitatively summarize the levels of serum TSLP in AD. The study was prospectively registered in the PROSPERO database (ID = CRD42021242628). The PUBMED, SCOPUS, and Cochrane Library databases were reviewed, and original articles investigating serum TSLP in AD patients were included. Differences in TSLP levels of AD patients and controls were summarized by standardized mean differences (SMD) using a random effects model. Study quality was assessed by applying the Newcastle‒Ottawa Scale. Fourteen studies, which included 1,032 AD patients and 416 controls, were included. Meta-analysis showed that TSLP levels were significantly higher in the AD group than in the control group (SMD = 2.21, 95% CI 1.37–3.06, p < 0.001). Stratification by geographical region, age, disease severity, TSLP determination method, sample size, and study quality revealed significantly elevated TSLP levels in European AD patients (SMD = 3.48, 95% CI 1.75–5.21, p < 0.0001), adult AD patients (SMD = 4.10, 95% CI 2.00–6.21, p < 0.0001), child AD patients (SMD = 0.83, 95% CI 0.08–1.59, p = 0.031), and all severity groups with AD compared with the control group (mild: SMD = 1.15, 95% CI 0.14–2.16, p = 0.025; moderate: SMD = 2.48, 95% CI 0.33–4.62, p = 0.024; and severe: SMD = 8.28, 95% CI 4.82–11.74, p = 2.72e−6). Noticeably, adults showed higher serum TSLP levels than children with AD, and serum TSL levels increased according to AD severity. In conclusion, our meta-analysis demonstrates that circulating TSLP levels are elevated in patients with AD. Future studies are warranted to further elucidate the sources of heterogeneity.
- Subjects
THYMIC stromal lymphopoietin; ATOPIC dermatitis; RANDOM effects model
- Publication
Clinical & Experimental Medicine, 2023, Vol 23, Issue 8, p4129
- ISSN
1591-8890
- Publication type
Article
- DOI
10.1007/s10238-023-01147-5