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Gençay AG, Işık S, Yürük Yıldırım Z, Demirkol D. A Renal Disease Triggered by COVID-19. Clin Pediatr (Phila) 2024; 63:114-118. [PMID: 37964416 DOI: 10.1177/00099228231210718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Affiliation(s)
- Ali Genco Gençay
- Pediatric Intensive Care Unit, Istanbul University Faculty of Medicine, Turkey
| | - Sinan Işık
- Department of Pediatrics, Istanbul University Faculty of Medicine, Turkey
| | | | - Demet Demirkol
- Pediatric Intensive Care Unit, Istanbul University Faculty of Medicine, Turkey
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Chen IR, Wang GJ, Hsueh PR, Chou CH, Jeng LB, Lin HJ, Liao HJ, Lai PC, Chang JG, Huang CC. Immune responses and safety of COVID-19 vaccination in atypical hemolytic uremic syndrome patients in Taiwan. Vaccine 2023; 41:5940-5945. [PMID: 37635000 DOI: 10.1016/j.vaccine.2023.08.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 07/25/2023] [Accepted: 08/08/2023] [Indexed: 08/29/2023]
Abstract
Atypical hemolytic uremic syndrome is a rare, life-threatening disorder which can be triggered by COVID 19 infection and COVID 19 vaccination then induce multiple organ failure. Our study is the first to evaluate immune responses to COVID-19 vaccination and safety in a cohort of patients in a local single-center study in Taiwan.. Results indicate that vaccines effectively shield aHUS patients from severe COVID-19 complications without significant safety concerns. A double booster dose for the third vaccine is essential for optimal efficacy. Anti-complement therapy did not influence vaccination effectiveness. Transplant aHUS patients had the lowest immune response titers, indicating a need for additional vaccine doses. Compared to healthcare workers, aHUS patients had poor T-cell responses. We noted a superior trend with mixed-type COVID-19 vaccinations in aHUS patients, while fixed-type mRNA demonstrated better results in healthcare workers. Our findings endorse COVID-19 vaccination as a potent strategy to safeguard aHUS patients from severe complications, emphasizing the importance of vigilant monitoring pre- and post-vaccination.
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Affiliation(s)
- I-Ru Chen
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan; Kidney Institute and Division of Nephrology, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Guei-Jane Wang
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan; Department of Medical Research, China Medical University Hospital, Taichung, Taiwan.
| | - Po-Ren Hsueh
- Department of Laboratory Medicine, China Medical University Hospital, Taichung, Taiwan; Department of Medical Laboratory Science and Biotechnology, China Medical University, Taichung, Taiwan; Division of Infection, China Medical University Hospital, Taichung, Taiwan
| | - Chia-Hui Chou
- Department of Medical Laboratory Science and Biotechnology, China Medical University, Taichung, Taiwan
| | - Long-Bin Jeng
- Organ Transplantation Center, China Medical University Hospital, Taichung, Taiwan
| | - Hui-Ju Lin
- Department of Laboratory Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Huang-Jiun Liao
- Department of Laboratory Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Ping-Chin Lai
- Kidney Institute and Division of Nephrology, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Jan-Gowth Chang
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan; Department of Laboratory Medicine, China Medical University Hospital, Taichung, Taiwan; Center for Precision Medicine, China Medical University Hospital, Taichung, Taiwan; Epigenome Research Center, China Medical University Hospital, Taichung, Taiwan
| | - Chiu-Ching Huang
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan; Kidney Institute and Division of Nephrology, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan
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Chen IR, Huang CC, Tu SJ, Wang GJ, Lai PC, Lee YT, Yen JC, Chang YS, Chang JG. Dysregulation of Immune Cell Subpopulations in Atypical Hemolytic Uremic Syndrome. Int J Mol Sci 2023; 24:10007. [PMID: 37373158 DOI: 10.3390/ijms241210007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 05/30/2023] [Accepted: 06/07/2023] [Indexed: 06/29/2023] Open
Abstract
Atypical hemolytic uremic syndrome (aHUS) is a rare, life-threatening thrombotic microangiopathy. Definitive biomarkers for disease diagnosis and activity remain elusive, making the exploration of molecular markers paramount. We conducted single-cell sequencing on peripheral blood mononuclear cells from 13 aHUS patients, 3 unaffected family members of aHUS patients, and 4 healthy controls. We identified 32 distinct subpopulations encompassing 5 B-cell types, 16 T- and natural killer (NK) cell types, 7 monocyte types, and 4 other cell types. Notably, we observed a significant increase in intermediate monocytes in unstable aHUS patients. Subclustering analysis revealed seven elevated expression genes, including NEAT1, MT-ATP6, MT-CYB, VIM, ACTG1, RPL13, and KLRB1, in unstable aHUS patients, and four heightened expression genes, including RPS27, RPS4X, RPL23, and GZMH genes, in stable aHUS patients. Additionally, an increase in the expression of mitochondria-related genes suggested a potential influence of cell metabolism on the clinical progression of the disease. Pseudotime trajectory analysis revealed a unique immune cell differentiation pattern, while cell-cell interaction profiling highlighted distinctive signaling pathways among patients, family members, and controls. This single-cell sequencing study is the first to confirm immune cell dysregulation in aHUS pathogenesis, offering valuable insights into molecular mechanisms and potential new diagnostic and disease activity markers.
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Affiliation(s)
- I-Ru Chen
- Graduate Institute of Clinical Medical Science, College of Medicine, China Medical University, Taichung 40402, Taiwan
- Division of Nephrology and the Kidney Institute, Department of Internal Medicine, China Medical University and Hospitals, Taichung 404332, Taiwan
| | - Chiu-Ching Huang
- Graduate Institute of Clinical Medical Science, College of Medicine, China Medical University, Taichung 40402, Taiwan
- Division of Nephrology and the Kidney Institute, Department of Internal Medicine, China Medical University and Hospitals, Taichung 404332, Taiwan
| | - Siang-Jyun Tu
- Center for Precision Medicine, China Medical University Hospital, Taichung 404332, Taiwan
| | - Guei-Jane Wang
- Graduate Institute of Clinical Medical Science, College of Medicine, China Medical University, Taichung 40402, Taiwan
- Department of Medical Research, China Medical University Hospital, Taichung 404332, Taiwan
| | - Ping-Chin Lai
- Division of Nephrology and the Kidney Institute, Department of Internal Medicine, China Medical University and Hospitals, Taichung 404332, Taiwan
| | - Ya-Ting Lee
- Center for Precision Medicine, China Medical University Hospital, Taichung 404332, Taiwan
- Department of Medical Research, China Medical University Hospital, Taichung 404332, Taiwan
- Epigenome Research Center, China Medical University Hospital, Taichung 404332, Taiwan
| | - Ju-Chen Yen
- Center for Precision Medicine, China Medical University Hospital, Taichung 404332, Taiwan
- Department of Medical Research, China Medical University Hospital, Taichung 404332, Taiwan
- Epigenome Research Center, China Medical University Hospital, Taichung 404332, Taiwan
| | - Ya-Sian Chang
- Center for Precision Medicine, China Medical University Hospital, Taichung 404332, Taiwan
- Department of Medical Research, China Medical University Hospital, Taichung 404332, Taiwan
- Epigenome Research Center, China Medical University Hospital, Taichung 404332, Taiwan
| | - Jan-Gowth Chang
- Graduate Institute of Clinical Medical Science, College of Medicine, China Medical University, Taichung 40402, Taiwan
- Center for Precision Medicine, China Medical University Hospital, Taichung 404332, Taiwan
- Department of Medical Research, China Medical University Hospital, Taichung 404332, Taiwan
- Epigenome Research Center, China Medical University Hospital, Taichung 404332, Taiwan
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Mocanu A, Bogos RA, Lazaruc TI, Cianga AL, Lupu VV, Ioniuc I, Alecsa M, Lupu A, Ivanov AV, Miron IC, Starcea IM. Pitfalls of Thrombotic Microangiopathies in Children: Two Case Reports and Literature Review. Diagnostics (Basel) 2023; 13:diagnostics13071228. [PMID: 37046448 PMCID: PMC10093431 DOI: 10.3390/diagnostics13071228] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/21/2023] [Accepted: 03/22/2023] [Indexed: 04/14/2023] Open
Abstract
Thrombotic microangiopathy can present itself in the form of several clinical entities, representing a real challenge for diagnosis and treatment in pediatric practice. Our article aims to explore the evolution of two rare cases of pediatric thrombotic thrombocytopenic purpura (TTP) and atypical hemolytic uremic syndrome (aHUS) with extremely similar clinical pictures, which, coincidentally, presented at approximately the same time in our hospital. These cases and our literature review demonstrate the multiple facets of thrombotic microangiopathy, which can produce various determinations and salient manifestations even among the pediatric population. TTP and aHUS may represent genuine diagnostic pitfalls through the overlap of their clinical and biological findings, although they develop through fundamentally different mechanisms that require different therapeutic approaches. As a novelty, we underline that COVID-19 infection cannot be excluded as potential trigger for TTP and aHUS in our patients and we predict that other reports of such an association will follow, raising a complex question of COVID-19's implication in the occurrence and evolution of thrombotic microangiopathies. On this matter, we conducted literature research that resulted in 15 cases of COVID-19 pediatric infections associated with either TTP or aHUS. Taking into consideration the morbidity associated with TTP and aHUS, an elaborate differential diagnosis and prompt intervention are of the essence.
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Affiliation(s)
- Adriana Mocanu
- Mother and Child Medicine Department, Discipline of Pediatrics, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
- Nephrology Division, St. Mary's Emergency Children Hospital, 700309 Iasi, Romania
| | - Roxana Alexandra Bogos
- Mother and Child Medicine Department, Discipline of Pediatrics, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
- Nephrology Division, St. Mary's Emergency Children Hospital, 700309 Iasi, Romania
| | - Tudor Ilie Lazaruc
- Mother and Child Medicine Department, Discipline of Pediatrics, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Anca Lavinia Cianga
- Mother and Child Medicine Department, Discipline of Pediatrics, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Vasile Valeriu Lupu
- Mother and Child Medicine Department, Discipline of Pediatrics, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Ileana Ioniuc
- Mother and Child Medicine Department, Discipline of Pediatrics, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Mirabela Alecsa
- Mother and Child Medicine Department, Discipline of Pediatrics, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Ancuta Lupu
- Mother and Child Medicine Department, Discipline of Pediatrics, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Anca Viorica Ivanov
- Mother and Child Medicine Department, Discipline of Pediatrics, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Ingrith Crenguta Miron
- Mother and Child Medicine Department, Discipline of Pediatrics, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Iuliana Magdalena Starcea
- Mother and Child Medicine Department, Discipline of Pediatrics, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
- Nephrology Division, St. Mary's Emergency Children Hospital, 700309 Iasi, Romania
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Matošević M, Kos I, Davidović M, Ban M, Matković H, Jakopčić I, Vuković Brinar I, Szilágyi Á, Csuka D, Sinkovits G, Prohászka Z, Vrljičak K, Lamot L. Hemolytic uremic syndrome in the setting of COVID-19 successfully treated with complement inhibition therapy: An instructive case report of a previously healthy toddler and review of literature. Front Pediatr 2023; 11:1092860. [PMID: 36873657 PMCID: PMC9975343 DOI: 10.3389/fped.2023.1092860] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 01/30/2023] [Indexed: 02/17/2023] Open
Abstract
INTRODUCTION As the global pandemic continues, new complications of COVID-19 in pediatric population have turned up, one of them being hemolytic uremic syndrome (HUS), a complement-mediated thrombotic microangiopathy (CM-TMA) characterized by triad of thrombocytopenia, microangiopathic hemolytic anemia and acute kidney injury (AKI). With both multisystem inflammatory syndrome in children (MIS-C) and HUS sharing complement dysregulation as one of the key factors, the aim of this case report is to highlight differences between these two conditions and also emphasize the importance of complement blockade as a treatment modality. CASE REPORT We describe a 21-month-old toddler who initially presented with fever and confirmed COVID-19. His condition quickly deteriorated and he developed oliguria, accompanied with diarrhea, vomiting and oral intake intolerance. HUS was suspected, supported with compelling laboratory findings, including decreased platelets count and C3 levels, elevated LDH, urea, serum creatinine and sC5b-9 and presence of schistocytes in peripheral blood, negative fecal Shiga toxin and normal ADAMTS13 metalloprotease activity. The patient was given C5 complement blocker Ravulizumab and started to display rapid improvement. CONCLUSION Although reports of HUS in the setting of COVID-19 continue to pour in, the questions of exact mechanism and similarities to MIS-C remain. Our case for the first time accentuates the use of complement blockade as a valuable treatment option in this scenario. We sincerely believe that reporting on HUS as a complication of COVID-19 in children will give rise to improved diagnosis and treatment, as well as better understanding of both of these intricating diseases.
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Affiliation(s)
- Matija Matošević
- Department of Pediatrics, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Ivanka Kos
- Division of Nephrology, Dialysis and Transplantation, Department of Pediatrics, University Hospital Center Zagreb, Zagreb, Croatia
| | - Maša Davidović
- Division of Nephrology, Dialysis and Transplantation, Department of Pediatrics, University Hospital Center Zagreb, Zagreb, Croatia
| | - Maja Ban
- Division of Nephrology, Dialysis and Transplantation, Department of Pediatrics, University Hospital Center Zagreb, Zagreb, Croatia
| | - Hana Matković
- Division of Nephrology, Dialysis and Transplantation, Department of Pediatrics, University Hospital Center Zagreb, Zagreb, Croatia
| | - Ivan Jakopčić
- Division of Nephrology, Dialysis and Transplantation, Department of Pediatrics, University Hospital Center Zagreb, Zagreb, Croatia
| | - Ivana Vuković Brinar
- Department of Nephrology, Hypertension, Dialysis and Transplantation, University Hospital Center Zagreb, Zagreb, Croatia.,Department of Internal Medicine and Haematology, Semmelweis University, Budapest, Hungary
| | - Ágnes Szilágyi
- Department of Internal Medicine and Haematology, Semmelweis University, Budapest, Hungary
| | - Dorottya Csuka
- Department of Internal Medicine and Haematology, Semmelweis University, Budapest, Hungary
| | - György Sinkovits
- Department of Internal Medicine and Haematology, Semmelweis University, Budapest, Hungary
| | - Zoltán Prohászka
- Department of Internal Medicine and Haematology, Semmelweis University, Budapest, Hungary.,Research Group for Immunology and Haematology, Semmelweis University- Eötvös Loránd Research Network (Office for Supported Research Groups), Budapest, Hungary
| | - Kristina Vrljičak
- Division of Nephrology, Dialysis and Transplantation, Department of Pediatrics, University Hospital Center Zagreb, Zagreb, Croatia
| | - Lovro Lamot
- Department of Pediatrics, University of Zagreb School of Medicine, Zagreb, Croatia.,Division of Nephrology, Dialysis and Transplantation, Department of Pediatrics, University Hospital Center Zagreb, Zagreb, Croatia
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