The DOI matches its Crossref record; 51 of the 51 references it cites were found in a registry or an index.
Whole‐Exome Sequencing Reveals Overlap Between Macrophage Activation Syndrome in Systemic Juvenile Idiopathic Arthritis and Familial Hemophagocytic Lymphohistiocytosis
Open accessAbstract
Objective: Macrophage activation syndrome (MAS), a life‐threatening complication of systemic juvenile idiopathic arthritis (JIA), resembles familial hemophagocytic lymphohistiocytosis (HLH), a constellation of autosomal‐recessive immune disorders resulting from deficiency in cytolytic pathway proteins. We undertook this study to test our hypothesis that MAS predisposition in systemic JIA could be attributed to rare gene sequence variants affecting the cytotolytic pathway. Methods: Whole‐exome sequencing was used in 14 patients with systemic JIA and MAS and in their parents to identify protein‐altering single‐nucleotide polymorphisms/indels in known HLH‐associated genes. To discover new candidate genes, the entire whole‐exome sequencing data were filtered to identify protein‐altering, rare recessive homozygous, compound heterozygous, and de novo variants with the potential to affect the cytolytic pathway. Results: Heterozygous protein‐altering rare variants in the known genes (LYST,MUNC13‐4, and STXBP2) were found in 5 of 14 patients with systemic JIA and MAS (35.7%). This was in contrast to only 4 variants in 4 of 29 patients with systemic JIA without MAS (13.8%). Homozygosity and compound heterozygosity analysis applied to the entire whole‐exome sequencing data in systemic JIA/MAS revealed 3 recessive pairs in 3 genes and compound heterozygotes in 73 genes. We also identified 20 heterozygous rare protein‐altering variants that occurred in at least 2 patients. Many of the identified genes encoded proteins with a role in actin and microtubule reorganization and vesicle‐mediated transport. “Cellular assembly and organization” was the top cellular function category based on Ingenuity Pathways Analysis (P < 3.10 × 10−5). Conclusion: Whole‐exome sequencing performed in patients with systemic JIA and MAS identified rare protein‐altering variants in known HLH‐associated genes as well as in new candidate genes.
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“In patients with secondary HLH, viral, autoimmune, or neoplastic disorders trigger cytokine storm, and such patients often have heterozygous polymorphisms in the same genes that are altered in primary HLH.65,74”
From Cytokine storm (2020) · cites this paper as [74]
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Self-citationDe novo mutations revealed by whole-exome sequencing are strongly associated with autism
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Perforin Gene Defects in Familial Hemophagocytic Lymphohistiocytosis
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Recognizing and Managing Hemophagocytic Lymphohistiocytosis in Adults in the Intensive Care Unit
Shakoory, B., Sereti, I., & Rocco, J. M. (2026) · Critical Care Clinics · doi:10.1016/j.ccc.2026.01.001
Fauteux‐Daniel, S. (2018) · theses.fr (ABES) · doi:10.70675/e5b20efbzd517z4af5z92a9z60598ef91d59
Behrens, E. M., & Gattorno, M. (2026) · Elsevier eBooks · doi:10.1016/b978-0-443-11980-4.00003-9
Macrophage Activation Syndrome
Grom, A. A., & Schulert, G. S. (2026) · Elsevier eBooks · doi:10.1016/b978-0-443-11980-4.00048-9
Self-citationIslam, M. I., & Tahmina, T. (2026) · Paediatric Nephrology Journal of Bangladesh · doi:10.4103/pnjb.pnjb_8_26
Paediatric macrophage activation syndrome: clinical features and outcomes across diverse aetiologies
Türkmen, Ş., Tuğrul, H. C., Yarar, M. H., Eser, M., Atay, G., Erdoğan, S., & Sözeri, B. (2026) · Lara D. Veeken · doi:10.1093/rheumatology/keag342
Macrophage activation syndrome is associated with high in-hospital mortality in patients with lupus
Pinto, B., Sri, K. R., Narayan, G. A., Janardana, R., Salim, M. S., Das, A. C., & Shobha, V. (2026) · Lupus · doi:10.1177/09612033261500970
Metadata
- Authors
- Kaufman, K. M., Linghu, B., Szustakowski, J. D., Husami, A., Yang, F., Zhang, K., Filipovich, A. H., Fall, N., Harley, J. B., Nirmala, N. R., & Grom, A. A.
- Affiliations
- Cincinnati Children's Hospital Medical Center (US)
- Novartis Institutes for BioMedical Research Cambridge Massachusetts
- ORCID
- Venue
- Arthritis & Rheumatology
- Publisher
- Wiley
- Published
- 2014-11-25
- Volume
- 66
- Issue
- 12
- Pages
- 3486-3495
- ISSN
- 2326-5191 (ISSN-L)
- 2326-5205
- PMC
- PMC4321811
- OpenAlex
- W1908769349
- Cited by
- 207
- References
- 51
- Citations by year
- 2026: 8 · 2025: 13 · 2024: 23 · 2023: 12 · 2022: 14 · 2021: 21 · 2020: 17 · 2019: 32 · 2018: 12 · 2017: 14 · 2016: 17 · 2015: 21 · 2014: 2
- FWCI
- 12.77
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Arthritis & Rheumatology (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- The Novartis Repository (Novartis) (submittedVersion)
- Funders
- National Institutes of Health (RO1-AR059049)
- Topics
- Health Sciences › Medicine › Hematology › Autoimmune and Inflammatory Disorders Research
- Life Sciences › Immunology and Microbiology › Immunology › Immunodeficiency and Autoimmune Disorders
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
- Keywords
- macrophage activation syndrome, systemic juvenile idiopathic arthritis, familial hemophagocytic lymphohistiocytosis, rare variants, compound heterozygosity, homozygosity, de novo mutations, LYST, Munc13-4, STXBP2, vesicle trafficking, candidate genes
- MeSH terms
- Adolescent, Arthritis, Juvenile, Child, Child, Preschool, Female, Genotype, Humans, Infant, Male, Mutation, Parents, Sequence Analysis, DNA, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, Lymphohistiocytosis, Hemophagocytic, Macrophage Activation Syndrome, Exome
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