Chronic hepatic involvement in the clinical spectrum of A20 haploinsufficiency.
TNFAIP3
A20 haploinsufficiency
hepatic fibrosis
oral and genital aphthosis
Journal
Liver international : official journal of the International Association for the Study of the Liver
ISSN: 1478-3231
Titre abrégé: Liver Int
Pays: United States
ID NLM: 101160857
Informations de publication
Date de publication:
08 2021
08 2021
Historique:
revised:
09
04
2021
received:
10
03
2021
accepted:
30
04
2021
pubmed:
10
5
2021
medline:
3
8
2021
entrez:
9
5
2021
Statut:
ppublish
Résumé
Secondary to tumour necrosis factor-alpha induced protein 3 (TNFAIP3) mutations, A20 haploinsufficiency (HA20) is a recently described autoinflammatory disease with clinical features similar to those of Behçet's and Crohn's diseases but with a constantly expanding clinical spectrum. Here, we describe HA20 liver involvement in three new patients from the same family. We retrospectively assessed clinical, biological and/or histological findings for eight patients over three generations of the same family with heterozygous mutations in the TNFAIP3 gene (c.259C > T, p.Arg87*). The eight patients exhibited the following: aphthous ulcers (8/8, bipolar in 7), autoimmune features (6/8, including 5 with definitive autoimmune disease diagnoses, ie, type I diabetes, Hashimoto thyroiditis, pernicious anaemia, and/or 5 with antinuclear antibodies ≥320), pustulosis/folliculitis (5/8), abdominal pain (4/8), arthralgia (3/8), enlarged cervical lymph nodes (3/8) and pericarditis (1/8). In addition, three patients (twin sisters and their grandmother aged 23 and 70 years, respectively) exhibited persistent mild hepatic cytolysis associated with splenomegaly (n = 3), hepatomegaly (n = 1) and/or liver atrophy (n = 1) on echography. We could not detect any other causes of chronic liver diseases. Liver biopsies from three patients displayed hepatic fibrosis, hepatocyte injury and/or CD4 This study reinforces the dual involvement of innate and adaptive immunity in HA20 according to both acute and chronic injury and the organ involved and widens its clinical spectrum to include chronic hepatic involvement.
Sections du résumé
BACKGROUND & AIMS
Secondary to tumour necrosis factor-alpha induced protein 3 (TNFAIP3) mutations, A20 haploinsufficiency (HA20) is a recently described autoinflammatory disease with clinical features similar to those of Behçet's and Crohn's diseases but with a constantly expanding clinical spectrum. Here, we describe HA20 liver involvement in three new patients from the same family.
METHODS
We retrospectively assessed clinical, biological and/or histological findings for eight patients over three generations of the same family with heterozygous mutations in the TNFAIP3 gene (c.259C > T, p.Arg87*).
RESULTS
The eight patients exhibited the following: aphthous ulcers (8/8, bipolar in 7), autoimmune features (6/8, including 5 with definitive autoimmune disease diagnoses, ie, type I diabetes, Hashimoto thyroiditis, pernicious anaemia, and/or 5 with antinuclear antibodies ≥320), pustulosis/folliculitis (5/8), abdominal pain (4/8), arthralgia (3/8), enlarged cervical lymph nodes (3/8) and pericarditis (1/8). In addition, three patients (twin sisters and their grandmother aged 23 and 70 years, respectively) exhibited persistent mild hepatic cytolysis associated with splenomegaly (n = 3), hepatomegaly (n = 1) and/or liver atrophy (n = 1) on echography. We could not detect any other causes of chronic liver diseases. Liver biopsies from three patients displayed hepatic fibrosis, hepatocyte injury and/or CD4
CONCLUSIONS
This study reinforces the dual involvement of innate and adaptive immunity in HA20 according to both acute and chronic injury and the organ involved and widens its clinical spectrum to include chronic hepatic involvement.
Substances chimiques
NF-kappa B
0
Types de publication
Case Reports
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1894-1900Informations de copyright
© 2021 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.
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