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Published in: Journal of Clinical Immunology 6/2023

19-05-2023 | Primary Immunodeficiency | Original Article

Clinical Features and Genetic Analysis of Taiwanese Primary Immunodeficiency Patients with Prolonged Diarrhea and Monogenetic Inflammatory Bowel Disease

Authors: Wen-I. Lee, Chien-Chang Chen, Shih-Hsiang Chen, Wan-Tz Lai, Tang-Her Jaing, Liang-Shiou Ou, Chi-Jou Liang, Chen-Chen Kang, Jing-Long Huang

Published in: Journal of Clinical Immunology | Issue 6/2023

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Abstract

Purpose

Diarrhea lasting longer than 14 days which fails to respond to conventional management is defined as severe and protracted diarrhea and might overlap with inflammatory bowel disease (IBD).

Methods

The prevalence, associated pathogens, and prognosis of severe and protracted diarrhea without IBD (SD) and with monogenetic IBD (mono-IBD) in primary immunodeficiency patients (PID) were investigated in Taiwan.

Results

A total of 301 patients were enrolled between 2003 and 2022, with predominantly pediatric-onset PID. Of these, 24 PID patients developed the SD phenotype before prophylactic treatment, including Btk (six), IL2RG (four), WASP, CD40L, gp91 (three each), gp47, RAG1 (one each), CVID (two), and SCID (one) without identified mutations. The most detectable pathogens were pseudomonas and salmonella (six each), and all patients improved after approximately 2 weeks of antibiotic and/or IVIG treatments. Six (25.0%) mortalities without HSCT implementation were due to respiratory failure from interstitial pneumonia (3 SCID and 1 CGD), intracranial hemorrhage (WAS), and lymphoma (HIGM). In the mono-IBD group, seventeen patients with mutant TTC7A (2), FOXP3 (2), NEMO (2), XIAP (2), LRBA (1), TTC37 (3), IL10RA (1), STAT1 (1), ZAP70 (1), PIK3CD (1), and PIK3R1 (1) genes failed to respond to aggressive treatments. Nine mono-IBD patients with TTC7A (2), FOXP3 (2), NEMO (2), XIAP (2), and LRBA (1) mutations were fatal in the absence of HSCT. The mono-IBD group had a significantly earlier age of diarrhea onset (1.7 vs 33.3 months, p = 0.0056), a longer TPN duration (34.2 vs 7.0 months, p < 0.0001), a shorter follow-up period (41.6 vs 132.6 months, p = 0.007), and a higher mortality rate (58.9 vs 25.0%, p = 0.012) compared with the SD group.

Conclusion

When compared to those with the SD phenotype, the mono-IBD patients had significant early-onset and poor responses to empiric antibiotics, IVIG, and steroids. Anti-inflammatory biologics and suitable HSCT still have the potential to control or even cure the mono-IBD phenotype.
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Literature
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go back to reference Lee WI, Huang JL, Chen CC, Lin JL, Wu RC, Jaing TH, et al. Identifying mutations of the tetratricopeptide repeat domain 37 (TTC37) gene in infants with intractable diarrhea and a comparison of Asian and non-Asian phenotype and genotype: a global case-report study of a well-defined syndrome with immunodeficiency. Medicine (Baltimore). 2016;95(9):e2918. https://doi.org/10.1097/MD.0000000000002918.CrossRefPubMed Lee WI, Huang JL, Chen CC, Lin JL, Wu RC, Jaing TH, et al. Identifying mutations of the tetratricopeptide repeat domain 37 (TTC37) gene in infants with intractable diarrhea and a comparison of Asian and non-Asian phenotype and genotype: a global case-report study of a well-defined syndrome with immunodeficiency. Medicine (Baltimore). 2016;95(9):e2918. https://​doi.​org/​10.​1097/​MD.​0000000000002918​.CrossRefPubMed
Metadata
Title
Clinical Features and Genetic Analysis of Taiwanese Primary Immunodeficiency Patients with Prolonged Diarrhea and Monogenetic Inflammatory Bowel Disease
Authors
Wen-I. Lee
Chien-Chang Chen
Shih-Hsiang Chen
Wan-Tz Lai
Tang-Her Jaing
Liang-Shiou Ou
Chi-Jou Liang
Chen-Chen Kang
Jing-Long Huang
Publication date
19-05-2023
Publisher
Springer US
Published in
Journal of Clinical Immunology / Issue 6/2023
Print ISSN: 0271-9142
Electronic ISSN: 1573-2592
DOI
https://doi.org/10.1007/s10875-023-01503-w

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