2
|
Lahiry P, Naumenko S, Couse M, Liao F, Dominguez D, Knight A, Levy DM, Misztal M, Ng LWK, Hiraki LT. Hemophagocytic Lymphohistiocytosis Gene Variants in Childhood-Onset SLE with Macrophage Activation Syndrome. J Rheumatol 2022; 49:1146-1151. [PMID: 35649546 DOI: 10.3899/jrheum.211200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/20/2022] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Macrophage activation syndrome (MAS), a life-threatening complication of SLE, resembles familial hemophagocytic lymphohistiocytosis (fHLH), an inherited disorder of hyperinflammation. We compared the proportion of childhood-onset SLE (cSLE) patients with and without MAS, who carried low-frequency HLH non-synonymous variants. METHODS We enrolled patients from the Lupus Clinic at SickKids, Toronto. Demographic and clinical features were extracted from the lupus database and ancestry was genetically inferred using multiethnic genotyping array data. Patients with MAS (based on expert diagnosis) underwent either paired-end whole exome sequencing (read-depth:70-118X) or whole-genome sequencing. Non-MAS patients had whole-genome sequencing (read-depth:37-40X). In 16 HLH genes we prioritized low-frequency (minor allele frequency (MAF) <0.05) exonic nonsynonymous variants. We compared the proportion of patients with and without MAS carrying HLH variants (Fisher's exact test, P<0.05). MAFs were compared to an ancestrally-matched general population (TOPMed and gnomAD). RESULTS The study included 81 patients, 19 with MAS. We identified 47 unique low-frequency non-synonymous HLH variants. There was no difference in the proportion of MAS and non-MAS patients carrying ≥1 HLH variants (37% versus 47%, P=0.44). The MAS cohort did not carry more HLH variants when compared to an ancestrally-matched general population. CONCLUSION In a single-center multiethnic cSLE cohort, we found no difference in the proportion of MAS patients carrying non-synonymous HLH genetic variants compared to patients without MAS. This is the first study to examine the frequency of HLH genetic variants in relation to MAS among cSLE patients. Future studies are required to validate our findings.
Collapse
Affiliation(s)
- Piya Lahiry
- P. Lahiry, MD PhD FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; S. Naumenko, PhD, The Centre for Computational Medicine, Research Institute, SickKids, Toronto, Ontario, Canada; M. Couse, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; F. Liao, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; D. Dominguez, MD, MSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; A. Knight, MD FRCPC, Division of Rheumatology and Research Institute, SickKids, Toronto, Ontario, Canada; D.M. Levy, MD MSc FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; M. Misztal, BSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; L.W.K. Ng, BSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; L.T. Hiraki, MD, FRCPC, ScD, Division of Rheumatology, SickKids; Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada. Financial Support: Dr. Hiraki - The Arthritis Society, Stars Career Development Award; Canada Research Chair in Genetics of Rare Systemic Inflammatory Diseases. Corresponding Author: Linda T. Hiraki, MD, FRCPC, ScD, Clinical Scientist, Division of Rheumatology, Genetics & Genome Biology, The Peter Gilgan Centre for Research and Learning (PGCRL), SickKids, 686 Bay Street, Toronto, Ontario, Canada, M5G 0A4,
| | - Sergey Naumenko
- P. Lahiry, MD PhD FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; S. Naumenko, PhD, The Centre for Computational Medicine, Research Institute, SickKids, Toronto, Ontario, Canada; M. Couse, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; F. Liao, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; D. Dominguez, MD, MSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; A. Knight, MD FRCPC, Division of Rheumatology and Research Institute, SickKids, Toronto, Ontario, Canada; D.M. Levy, MD MSc FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; M. Misztal, BSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; L.W.K. Ng, BSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; L.T. Hiraki, MD, FRCPC, ScD, Division of Rheumatology, SickKids; Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada. Financial Support: Dr. Hiraki - The Arthritis Society, Stars Career Development Award; Canada Research Chair in Genetics of Rare Systemic Inflammatory Diseases. Corresponding Author: Linda T. Hiraki, MD, FRCPC, ScD, Clinical Scientist, Division of Rheumatology, Genetics & Genome Biology, The Peter Gilgan Centre for Research and Learning (PGCRL), SickKids, 686 Bay Street, Toronto, Ontario, Canada, M5G 0A4,
| | - Madeline Couse
- P. Lahiry, MD PhD FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; S. Naumenko, PhD, The Centre for Computational Medicine, Research Institute, SickKids, Toronto, Ontario, Canada; M. Couse, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; F. Liao, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; D. Dominguez, MD, MSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; A. Knight, MD FRCPC, Division of Rheumatology and Research Institute, SickKids, Toronto, Ontario, Canada; D.M. Levy, MD MSc FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; M. Misztal, BSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; L.W.K. Ng, BSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; L.T. Hiraki, MD, FRCPC, ScD, Division of Rheumatology, SickKids; Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada. Financial Support: Dr. Hiraki - The Arthritis Society, Stars Career Development Award; Canada Research Chair in Genetics of Rare Systemic Inflammatory Diseases. Corresponding Author: Linda T. Hiraki, MD, FRCPC, ScD, Clinical Scientist, Division of Rheumatology, Genetics & Genome Biology, The Peter Gilgan Centre for Research and Learning (PGCRL), SickKids, 686 Bay Street, Toronto, Ontario, Canada, M5G 0A4,
| | - Fangming Liao
- P. Lahiry, MD PhD FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; S. Naumenko, PhD, The Centre for Computational Medicine, Research Institute, SickKids, Toronto, Ontario, Canada; M. Couse, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; F. Liao, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; D. Dominguez, MD, MSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; A. Knight, MD FRCPC, Division of Rheumatology and Research Institute, SickKids, Toronto, Ontario, Canada; D.M. Levy, MD MSc FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; M. Misztal, BSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; L.W.K. Ng, BSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; L.T. Hiraki, MD, FRCPC, ScD, Division of Rheumatology, SickKids; Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada. Financial Support: Dr. Hiraki - The Arthritis Society, Stars Career Development Award; Canada Research Chair in Genetics of Rare Systemic Inflammatory Diseases. Corresponding Author: Linda T. Hiraki, MD, FRCPC, ScD, Clinical Scientist, Division of Rheumatology, Genetics & Genome Biology, The Peter Gilgan Centre for Research and Learning (PGCRL), SickKids, 686 Bay Street, Toronto, Ontario, Canada, M5G 0A4,
| | - Daniela Dominguez
- P. Lahiry, MD PhD FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; S. Naumenko, PhD, The Centre for Computational Medicine, Research Institute, SickKids, Toronto, Ontario, Canada; M. Couse, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; F. Liao, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; D. Dominguez, MD, MSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; A. Knight, MD FRCPC, Division of Rheumatology and Research Institute, SickKids, Toronto, Ontario, Canada; D.M. Levy, MD MSc FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; M. Misztal, BSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; L.W.K. Ng, BSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; L.T. Hiraki, MD, FRCPC, ScD, Division of Rheumatology, SickKids; Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada. Financial Support: Dr. Hiraki - The Arthritis Society, Stars Career Development Award; Canada Research Chair in Genetics of Rare Systemic Inflammatory Diseases. Corresponding Author: Linda T. Hiraki, MD, FRCPC, ScD, Clinical Scientist, Division of Rheumatology, Genetics & Genome Biology, The Peter Gilgan Centre for Research and Learning (PGCRL), SickKids, 686 Bay Street, Toronto, Ontario, Canada, M5G 0A4,
| | - Andrea Knight
- P. Lahiry, MD PhD FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; S. Naumenko, PhD, The Centre for Computational Medicine, Research Institute, SickKids, Toronto, Ontario, Canada; M. Couse, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; F. Liao, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; D. Dominguez, MD, MSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; A. Knight, MD FRCPC, Division of Rheumatology and Research Institute, SickKids, Toronto, Ontario, Canada; D.M. Levy, MD MSc FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; M. Misztal, BSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; L.W.K. Ng, BSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; L.T. Hiraki, MD, FRCPC, ScD, Division of Rheumatology, SickKids; Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada. Financial Support: Dr. Hiraki - The Arthritis Society, Stars Career Development Award; Canada Research Chair in Genetics of Rare Systemic Inflammatory Diseases. Corresponding Author: Linda T. Hiraki, MD, FRCPC, ScD, Clinical Scientist, Division of Rheumatology, Genetics & Genome Biology, The Peter Gilgan Centre for Research and Learning (PGCRL), SickKids, 686 Bay Street, Toronto, Ontario, Canada, M5G 0A4,
| | - Deborah M Levy
- P. Lahiry, MD PhD FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; S. Naumenko, PhD, The Centre for Computational Medicine, Research Institute, SickKids, Toronto, Ontario, Canada; M. Couse, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; F. Liao, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; D. Dominguez, MD, MSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; A. Knight, MD FRCPC, Division of Rheumatology and Research Institute, SickKids, Toronto, Ontario, Canada; D.M. Levy, MD MSc FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; M. Misztal, BSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; L.W.K. Ng, BSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; L.T. Hiraki, MD, FRCPC, ScD, Division of Rheumatology, SickKids; Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada. Financial Support: Dr. Hiraki - The Arthritis Society, Stars Career Development Award; Canada Research Chair in Genetics of Rare Systemic Inflammatory Diseases. Corresponding Author: Linda T. Hiraki, MD, FRCPC, ScD, Clinical Scientist, Division of Rheumatology, Genetics & Genome Biology, The Peter Gilgan Centre for Research and Learning (PGCRL), SickKids, 686 Bay Street, Toronto, Ontario, Canada, M5G 0A4,
| | - Melissa Misztal
- P. Lahiry, MD PhD FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; S. Naumenko, PhD, The Centre for Computational Medicine, Research Institute, SickKids, Toronto, Ontario, Canada; M. Couse, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; F. Liao, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; D. Dominguez, MD, MSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; A. Knight, MD FRCPC, Division of Rheumatology and Research Institute, SickKids, Toronto, Ontario, Canada; D.M. Levy, MD MSc FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; M. Misztal, BSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; L.W.K. Ng, BSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; L.T. Hiraki, MD, FRCPC, ScD, Division of Rheumatology, SickKids; Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada. Financial Support: Dr. Hiraki - The Arthritis Society, Stars Career Development Award; Canada Research Chair in Genetics of Rare Systemic Inflammatory Diseases. Corresponding Author: Linda T. Hiraki, MD, FRCPC, ScD, Clinical Scientist, Division of Rheumatology, Genetics & Genome Biology, The Peter Gilgan Centre for Research and Learning (PGCRL), SickKids, 686 Bay Street, Toronto, Ontario, Canada, M5G 0A4,
| | - Lawrence W K Ng
- P. Lahiry, MD PhD FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; S. Naumenko, PhD, The Centre for Computational Medicine, Research Institute, SickKids, Toronto, Ontario, Canada; M. Couse, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; F. Liao, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; D. Dominguez, MD, MSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; A. Knight, MD FRCPC, Division of Rheumatology and Research Institute, SickKids, Toronto, Ontario, Canada; D.M. Levy, MD MSc FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; M. Misztal, BSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; L.W.K. Ng, BSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; L.T. Hiraki, MD, FRCPC, ScD, Division of Rheumatology, SickKids; Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada. Financial Support: Dr. Hiraki - The Arthritis Society, Stars Career Development Award; Canada Research Chair in Genetics of Rare Systemic Inflammatory Diseases. Corresponding Author: Linda T. Hiraki, MD, FRCPC, ScD, Clinical Scientist, Division of Rheumatology, Genetics & Genome Biology, The Peter Gilgan Centre for Research and Learning (PGCRL), SickKids, 686 Bay Street, Toronto, Ontario, Canada, M5G 0A4,
| | - Linda T Hiraki
- P. Lahiry, MD PhD FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; S. Naumenko, PhD, The Centre for Computational Medicine, Research Institute, SickKids, Toronto, Ontario, Canada; M. Couse, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; F. Liao, MSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; D. Dominguez, MD, MSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; A. Knight, MD FRCPC, Division of Rheumatology and Research Institute, SickKids, Toronto, Ontario, Canada; D.M. Levy, MD MSc FRCPC, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; M. Misztal, BSc, Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada; L.W.K. Ng, BSc, Division of Rheumatology, SickKids, Toronto, Ontario, Canada; L.T. Hiraki, MD, FRCPC, ScD, Division of Rheumatology, SickKids; Genetics & Genome Biology, Research Institute, SickKids, Toronto, Ontario, Canada. Financial Support: Dr. Hiraki - The Arthritis Society, Stars Career Development Award; Canada Research Chair in Genetics of Rare Systemic Inflammatory Diseases. Corresponding Author: Linda T. Hiraki, MD, FRCPC, ScD, Clinical Scientist, Division of Rheumatology, Genetics & Genome Biology, The Peter Gilgan Centre for Research and Learning (PGCRL), SickKids, 686 Bay Street, Toronto, Ontario, Canada, M5G 0A4,
| |
Collapse
|