Genetic, immunologic, and clinical features of 830 patients with Mendelian susceptibility to mycobacterial diseases (MSMD): A systematic review - 03/05/24
, Majid Zaki-Dizaji, PhD d, Fereshteh Khalili-Moghaddam, MSc d, Sarina Ansari, MD a, Saba Alijani, MD a, Nooshin Taherzadeh-Ghahfarrokhi, MD a, Davood Mansouri, MD c, e, Jean-Laurent Casanova, MD, PhD f, g, h, i, Jacinta Bustamante, MD, PhD f, g, j, Mahnaz Jamee, MD b, ⁎ Abstract |
Background |
Mendelian susceptibility to mycobacterial diseases (MSMD) is a rare clinical syndrome characterized by vulnerability to weakly virulent mycobacterial species, including Bacillus Calmette-Guérin (BCG) vaccines and environmental mycobacteria.
Objective |
We sought to perform a systematic review of the genetic, immunologic, and clinical findings for reported patients with MSMD.
Methods |
We searched PubMed, Web of Science, and Scopus databases for publications in English relating to MSMD. All full texts were evaluated for eligibility for inclusion. Two reviewers independently selected the publications, with a third reviewer consulted in cases of disagreement.
Results |
A primary systematic search and searches of other resources identified 16,155 articles. In total, 158 articles from 63 countries were included in qualitative and quantitative analyses. In total, 830 patients—436 males (52.5%), 369 females (44.5%), and 25 patients of unknown sex (3.0%)—from 581 families were evaluated. A positive family history was reported in 347 patients (45.5%). The patients had a mean age of 10.41 ± 0.42 (SEM) years. The frequency of MSMD was highest in Iran, Turkey, and Saudi Arabia. Lymphadenopathy was the most common clinical manifestation of MSMD, reported in 378 (45.5%) cases and multifocal in 35.1%. Fever, organomegaly, and sepsis were the next most frequent findings, reported in 251 (30.2%), 206 (24.8%), and 171 (20.8%) cases, respectively. In total, 299 unique mutations in 21 genes known to be involved in MSMD were reported: 100 missense (34%), 80 indel-frameshift (insertion or deletion, 27%), 53 nonsense (18%), 35 splice site (12%), 10 indel-in frame (2.7%), 6 indel (2%), and 15 large deletion/duplication mutations. Finally, 61% of the reported patients with MSMD had mutations of IL12RB1 (41%) or IFNGR1 (20%). At the time of the report, 177 of the patients (21.3%) were dead and 597 (71.9%) were still alive.
Conclusions |
MSMD is associated with a high mortality rate, mostly due to impaired control of infection. Preexposure strategies, such as changes in vaccination policy in endemic areas, the establishment of a worldwide registry of patients with MSMD, and precise follow-up over generations in affected families, appear to be vital to decrease MSMD-related mortality.
Le texte complet de cet article est disponible en PDF.Key words : MSMD, BCG, primary immunodeficiency, inborn error of immunity, mycobacterial infection, IFN-γ
Abbreviations used : AR, BCG, CMV, CYBB, GvHD, IFNGR1, IFNGR2, IL12B, IL12RB1, IL12RB2, IL23R, IQR, IRF1, IRF8, ISG15, JAK, MCTS1, MSMD, NEMO, STAT1, TYK
Plan
Vol 153 - N° 5
P. 1432-1444 - mai 2024 Retour au numéro
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