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Rehman M, Qaiser A, Khan HS, Manzoor S, Ashraf J. Enhancing CAR T cells function: role of immunomodulators in cancer immunotherapy. Clin Exp Med 2024; 24:180. [PMID: 39105978 PMCID: PMC11303469 DOI: 10.1007/s10238-024-01442-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2024] [Accepted: 07/18/2024] [Indexed: 08/07/2024]
Abstract
CAR T-cell therapy is a promising immunotherapy, providing successful results for cancer patients who are unresponsive to standard and traditional therapeutic approaches. However, there are limiting factors which create a hurdle in the therapy performing its role optimally. CAR T cells get exhausted, produce active antitumor responses, and might even produce toxic reactions. Specifically, in the case of solid tumors, chimeric antigen receptor T (CAR-T) cells fail to produce the desired outcomes. Then, the need to use supplementary agents such as immune system modifying immunomodulatory agents comes into play. A series of the literature was studied to evaluate the role of immunomodulators including a phytochemical, Food and Drug Administration (FDA)-approved targeted drugs, and ILs in support of their achievements in boosting the efficiency of CAR-T cell therapy. Some of the most promising out of them are reported in this article. It is expected that by using the right combinations of immunotherapy, immunomodulators, and traditional cancer treatments, the best possible cancer defying results may be produced in the future.
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Affiliation(s)
- Maheen Rehman
- Molecular Virology Lab, Atta-Ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Ariba Qaiser
- Molecular Virology Lab, Atta-Ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Hassan Sardar Khan
- Molecular Virology Lab, Atta-Ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Sobia Manzoor
- Molecular Virology Lab, Atta-Ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Javed Ashraf
- Institute of Dentistry, University of Eastern Finland, Kuopio, Finland.
- Riphah International University, Islamabad, Pakistan.
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Tang Z, Zhu D, Li X, Yan H, Luo T, Xie L, Yang Y, Tang M, Jiang X, Huang J, Zhang X, Zhou L, Lei Y, Xiao Z, Lu X. Development and validation of an early mortality risk model for pediatric hemophagocytic lymphohistiocytosis: a comparison with HScore, PELOD-2, P-MODS, and pSOFA. Ann Hematol 2024; 103:2699-2709. [PMID: 38736014 DOI: 10.1007/s00277-024-05780-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Accepted: 04/23/2024] [Indexed: 05/14/2024]
Abstract
There has been no severity evaluation model for pediatric patients with hemophagocytic lymphohistiocytosis (HLH) that uses readily available parameters. This study aimed to develop a novel model for predicting the early mortality risk in pediatric patients with HLH using easily obtained parameters whatever etiologic subtype. Patients from one center were divided into training and validation sets for model derivation. The developed model was validated using an independent validation cohort from the second center. The prediction model with nomogram was developed based on logistic regression. The model performance underwent internal and external evaluation and validation using the area under the receiver operating characteristic curve (AUC), calibration curve with 1000 bootstrap resampling, and decision curve analysis (DCA). Model performance was compared with the most prevalent severity evaluation scores, including the PELOD-2, P-MODS, and pSOFA scores. The prediction model included nine variables: glutamic-pyruvic transaminase, albumin, globulin, myohemoglobin, creatine kinase, serum potassium, procalcitonin, serum ferritin, and interval between onset and diagnosis. The AUC of the model for predicting the 28-day mortality was 0.933 and 0.932 in the training and validation sets, respectively. The AUC values of the HScore, PELOD-2, P-MODS and pSOFA were 0.815, 0.745, 0.659 and 0.788, respectively. The DCA of the 28-day mortality prediction exhibited a greater net benefit than the HScore, PELOD-2, P-MODS and pSOFA. Subgroup analyses demonstrated good model performance across HLH subtypes. The novel mortality prediction model in this study can contribute to the rapid assessment of early mortality risk after diagnosis with readily available parameters.
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Affiliation(s)
- Zhexuan Tang
- Academy of Pediatrics, University of South China, Changsha, China
- Hunan Provincial Key Laboratory of Emergency Medicine for Children, Hunan Children's Hospital, Changsha, China
- Pediatric Intensive Care Unit (PICU), Hunan Children's Hospital, Changsha, China
| | - Desheng Zhu
- Hunan Provincial Key Laboratory of Emergency Medicine for Children, Hunan Children's Hospital, Changsha, China
- Pediatric Intensive Care Unit (PICU), Hunan Children's Hospital, Changsha, China
| | - Xun Li
- Pediatric Research Institute of Hunan Province and Pediatric Intensive Care Unit (PICU), Hunan Children's Hospital, Changsha, China
- Hunan Provincial Key Laboratory of Emergency Medicine for Children, Hunan Children's Hospital, Changsha, China
| | - Haipeng Yan
- Hunan Provincial Key Laboratory of Emergency Medicine for Children, Hunan Children's Hospital, Changsha, China
- Pediatric Intensive Care Unit (PICU), Hunan Children's Hospital, Changsha, China
| | - Ting Luo
- Pediatric Research Institute of Hunan Province and Pediatric Intensive Care Unit (PICU), Hunan Children's Hospital, Changsha, China
- Hunan Provincial Key Laboratory of Emergency Medicine for Children, Hunan Children's Hospital, Changsha, China
| | - Longlong Xie
- Pediatric Research Institute of Hunan Province and Pediatric Intensive Care Unit (PICU), Hunan Children's Hospital, Changsha, China
- Hunan Provincial Key Laboratory of Emergency Medicine for Children, Hunan Children's Hospital, Changsha, China
| | - Yufan Yang
- Pediatric Research Institute of Hunan Province and Pediatric Intensive Care Unit (PICU), Hunan Children's Hospital, Changsha, China
- Hunan Provincial Key Laboratory of Emergency Medicine for Children, Hunan Children's Hospital, Changsha, China
| | - Minghui Tang
- Academy of Pediatrics, University of South China, Changsha, China
- Hunan Provincial Key Laboratory of Emergency Medicine for Children, Hunan Children's Hospital, Changsha, China
- Pediatric Intensive Care Unit (PICU), Hunan Children's Hospital, Changsha, China
| | - Xuedan Jiang
- Academy of Pediatrics, University of South China, Changsha, China
- Hunan Provincial Key Laboratory of Emergency Medicine for Children, Hunan Children's Hospital, Changsha, China
- Pediatric Intensive Care Unit (PICU), Hunan Children's Hospital, Changsha, China
| | - Jiaotian Huang
- Hunan Provincial Key Laboratory of Emergency Medicine for Children, Hunan Children's Hospital, Changsha, China
- Pediatric Intensive Care Unit (PICU), Hunan Children's Hospital, Changsha, China
| | - Xinping Zhang
- Hunan Provincial Key Laboratory of Emergency Medicine for Children, Hunan Children's Hospital, Changsha, China
- Pediatric Intensive Care Unit (PICU), Hunan Children's Hospital, Changsha, China
| | - Lifang Zhou
- Pediatric Intensive Care Unit (PICU), The First People's Hospital of Chenzhou, Chenzhou, China
| | - Yefei Lei
- Pediatric Intensive Care Unit (PICU), The First People's Hospital of Chenzhou, Chenzhou, China
| | - Zhenghui Xiao
- Hunan Provincial Key Laboratory of Emergency Medicine for Children, Hunan Children's Hospital, Changsha, China
- Pediatric Intensive Care Unit (PICU), Hunan Children's Hospital, Changsha, China
| | - Xiulan Lu
- Hunan Provincial Key Laboratory of Emergency Medicine for Children, Hunan Children's Hospital, Changsha, China.
- Pediatric Intensive Care Unit (PICU), Hunan Children's Hospital, Changsha, China.
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3
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Park Y, Park S, Chinratanalab W, Savani B, Kassim A, Douds JJ, Sengsayadeth S, Kim TK. SARS-CoV2 is not just infection but a culprit of donor graft failure post-allogeneic stem cell transplant. Clin Hematol Int 2024; 6:33-37. [PMID: 39071177 PMCID: PMC11283860 DOI: 10.46989/001c.121430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Accepted: 06/07/2024] [Indexed: 07/30/2024] Open
Affiliation(s)
- Yoojin Park
- Duke University
- MedicineVanderbilt University Medical Center
| | - Silvia Park
- MedicineVanderbilt University Medical Center
- Department of HematologyThe Catholic University of Korea
| | - Wichai Chinratanalab
- MedicineVanderbilt University Medical Center
- Vanderbilt-Ingram Cancer Center
- VA Tennessee Valley Healthcare System
| | - Bipin Savani
- MedicineVanderbilt University Medical Center
- Vanderbilt-Ingram Cancer Center
- VA Tennessee Valley Healthcare System
| | - Adetola Kassim
- MedicineVanderbilt University Medical Center
- Vanderbilt-Ingram Cancer Center
- VA Tennessee Valley Healthcare System
| | | | - Salyka Sengsayadeth
- MedicineVanderbilt University Medical Center
- Vanderbilt-Ingram Cancer Center
- VA Tennessee Valley Healthcare System
| | - Tae Kon Kim
- MedicineVanderbilt University Medical Center
- Vanderbilt-Ingram Cancer Center
- VA Tennessee Valley Healthcare System
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Dilmurat D, Wang X, Gao L, Tian J, Ai J, Zhang L, Liu M, Feng G, Zeng Y, Wang R, Xie Z. Clinical epidemiology of Epstein-Barr virus-associated Lymphoproliferative Disorders (EBV-LPDs) in hospitalized children: A six-year multi-institutional study in China. Ital J Pediatr 2024; 50:125. [PMID: 38956696 PMCID: PMC11218373 DOI: 10.1186/s13052-024-01685-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Accepted: 05/30/2024] [Indexed: 07/04/2024] Open
Abstract
BACKGROUND Epstein-Barr virus-associated lymphoproliferative disorders (EBV-LPDs) are a group of disorders involving lymphoid tissues or lymphocytes. The epidemiology and economic burden of hospitalized children with EBV-LPDs in China have not been well studied. This study aimed to reveal the epidemic characteristics and disease burden of EBV-LPDs among the Chinese hospitalized children, providing strategies for the prevention and management. METHODS This study was based on the FUTang Updating medical REcords (FUTURE) database of China and collected the medical records from 27 tertiary children's hospitals between January 2016 and December 2021 in China, counting five types of EBV-LPDs, namely EBV-positive T-cell lymphoproliferative disease, NK/T cell lymphoma, extranodal NK/T-cell lymphoma (nasal type), systemic EBV-positive T-cell lymphoproliferative disease of childhood and posttransplant lymphoproliferative disorders. We conducted a retrospective syhthesis and analysis of the epidemiological characteristics, expenses, length of stay (LOS), as well as complications among hospitalized children diagnosed with five types of EBV-LPDs and compared parameters using appropriate statistical tests. RESULTS The study described 153 children aged 0-18 years hospitalized with EBV-LPDs from 2016 to 2021 in the FUTURE database. The male-to-female ratio was 1.10:1, and more than half of the age distribution was in the 6-12 y group. Among EBV-LPDs cases, EBV+ T-LPD accounted for the largest proportion (65.36%). Complications were presented in 93 children with EBV-LPDs, mainly hemophagocytic lymphohistiocytosis (HLH). The median LOS of NKTL was 26.5 days [interquartile range (IQR) = 3-42], which was the longest among EBV-LPDs. The median hospitalization cost of PTLD was 10 785.74 United States dollars (IQR = 7 329.38-16 531.18), which was the heaviest among EBV-LPDs. CONCLUSIONS Compared with the total number of hospitalized children in China during the same period and in the same age group, the proportion of EBV-LPD is very low. EBV-LPD can develop in all age groups, but it is more common in school-age children. Among 5 EBV-LPDs, the disease with the highest proportion is EBV+ T-LPD. The overall disease burden of EBV-LPD was heavy, especially the economic burden. HLH was one of the most common complications, which could directly affect the burden of patients because of prolonged hospitalization. These data are taken from a very large database, illustrating the epidemiological and economic burden of EBV-LPDs hospitalized children in China, which enriched the existing epidemiological and disease burden content of EBV-LPDs.
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Affiliation(s)
- Dilara Dilmurat
- Beijing Key Laboratory of Pediatric Respiratory Infectious Diseases, Key Laboratory of Major Diseases in Children, Ministry of Education, National Clinical Research Center for Respiratory Diseases, Laboratory of Infection and Virology, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
- Research Unit of Critical Infection in Children, 2019RU016, Chinese Academy of Medical Sciences, Beijing, 100045, China
| | - Xinyu Wang
- Big Data Center, Beijing Childre's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
| | - Liwei Gao
- Department of Respiratory Medicine, National Center for Children's Health, National Clinical Research Center of Respiratory Diseases, Beijing Children's Hospital, Capital Medical University, Beijing, 100045, China
| | - Jiao Tian
- Beijing Key Laboratory of Pediatric Respiratory Infectious Diseases, Key Laboratory of Major Diseases in Children, Ministry of Education, National Clinical Research Center for Respiratory Diseases, Laboratory of Infection and Virology, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
- Research Unit of Critical Infection in Children, 2019RU016, Chinese Academy of Medical Sciences, Beijing, 100045, China
| | - Junhong Ai
- Beijing Key Laboratory of Pediatric Respiratory Infectious Diseases, Key Laboratory of Major Diseases in Children, Ministry of Education, National Clinical Research Center for Respiratory Diseases, Laboratory of Infection and Virology, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
- Research Unit of Critical Infection in Children, 2019RU016, Chinese Academy of Medical Sciences, Beijing, 100045, China
| | - Linlin Zhang
- Beijing Key Laboratory of Pediatric Respiratory Infectious Diseases, Key Laboratory of Major Diseases in Children, Ministry of Education, National Clinical Research Center for Respiratory Diseases, Laboratory of Infection and Virology, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
- Research Unit of Critical Infection in Children, 2019RU016, Chinese Academy of Medical Sciences, Beijing, 100045, China
- Medical Oncology Department, Pediatric Oncology Center, Beijing Children's Hospital, National Center for Children's Health, Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children, Ministry of Education, National Key Discipline of Pediatrics, Capital Medical University, Beijing, 100045, China
| | - Mengjia Liu
- Beijing Key Laboratory of Pediatric Respiratory Infectious Diseases, Key Laboratory of Major Diseases in Children, Ministry of Education, National Clinical Research Center for Respiratory Diseases, Laboratory of Infection and Virology, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
- Research Unit of Critical Infection in Children, 2019RU016, Chinese Academy of Medical Sciences, Beijing, 100045, China
| | - Guoshuang Feng
- Big Data Center, Beijing Childre's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China
| | - Yueping Zeng
- Medical Record Management Office, Beijing Children's Hospital,Capital Medical University, National Center for Children's Health, Beijing, 100045, China
| | - Ran Wang
- Beijing Key Laboratory of Pediatric Respiratory Infectious Diseases, Key Laboratory of Major Diseases in Children, Ministry of Education, National Clinical Research Center for Respiratory Diseases, Laboratory of Infection and Virology, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China.
- Research Unit of Critical Infection in Children, 2019RU016, Chinese Academy of Medical Sciences, Beijing, 100045, China.
| | - Zhengde Xie
- Beijing Key Laboratory of Pediatric Respiratory Infectious Diseases, Key Laboratory of Major Diseases in Children, Ministry of Education, National Clinical Research Center for Respiratory Diseases, Laboratory of Infection and Virology, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, 100045, China.
- Research Unit of Critical Infection in Children, 2019RU016, Chinese Academy of Medical Sciences, Beijing, 100045, China.
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5
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Qu Y, Chu B, Li J, Deng H, Niu T, Qian Z. Macrophage-Biomimetic Nanoplatform-Based Therapy for Inflammation-Associated Diseases. SMALL METHODS 2024; 8:e2301178. [PMID: 38037521 DOI: 10.1002/smtd.202301178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 10/23/2023] [Indexed: 12/02/2023]
Abstract
Inflammation-associated diseases are very common clinically with a high incidence; however, there is still a lack of effective treatments. Cell-biomimetic nanoplatforms have led to many breakthroughs in the field of biomedicine, significantly improving the efficiency of drug delivery and its therapeutic implications especially for inflammation-associated diseases. Macrophages are an important component of immune cells and play a critical role in the occurrence and progression of inflammation-associated diseases while simultaneously maintaining homeostasis and modulating immune responses. Therefore, macrophage-biomimetic nanoplatforms not only inherit the functions of macrophages including the inflammation tropism effect for targeted delivery of drugs and the neutralization effect of pro-inflammatory cytokines and toxins via membrane surface receptors or proteins, but also maintain the functions of the inner nanoparticles. Macrophage-biomimetic nanoplatforms are shown to have remarkable therapeutic efficacy and excellent application potential in inflammation-associated diseases. In this review, inflammation-associated diseases, the physiological functions of macrophages, and the classification and construction of macrophage-biomimetic nanoplatforms are first introduced. Next, the latest applications of different macrophage-biomimetic nanoplatforms for the treatment of inflammation-associated diseases are summarized. Finally, challenges and opportunities for future biomedical applications are discussed. It is hoped that the review will provide new ideas for the further development of macrophage-biomimetic nanoplatforms.
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Affiliation(s)
- Ying Qu
- Department of Hematology and Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Bingyang Chu
- Department of Hematology and Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jianan Li
- Department of Hematology and Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Hanzhi Deng
- Department of Hematology and Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Ting Niu
- Department of Hematology and Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zhiyong Qian
- Department of Hematology and Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
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Jorisch-Mühlebach O, Pitts D, Tinner R, Teh HY, Roelli C, Prader S, Vavassori S, Pachlopnik Schmid J. A degranulation assay using Vγ9Vδ2 T cells for the rapid diagnosis of familial hemophagocytic syndromes. Front Immunol 2024; 15:1391967. [PMID: 38989281 PMCID: PMC11233720 DOI: 10.3389/fimmu.2024.1391967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Accepted: 06/06/2024] [Indexed: 07/12/2024] Open
Abstract
Introduction Hemophagocytic lymphohistiocytosis (HLH) is a life-threatening immune disorder characterized by uncontrolled lymphocyte and macrophage activation and a subsequent cytokine storm. The timely initiation of immunosuppressive treatment is crucial for survival. Methods Here, we harnessed Vγ9Vδ2 T cell degranulation to develop a novel functional assay for the diagnosis of HLH. We compared the novel assay with the conventional natural killer (NK) cell stimulation method in terms of efficiency, specificity, and reliability. Our analysis involved 213 samples from 182 individuals, including 23 samples from 12 patients with degranulation deficiency (10 individuals with UNC13D deficiency, 1 with STXBP2 deficiency, and 1 with RAB27A deficiency). Results While both tests exhibited 100% sensitivity, the Vγ9Vδ2 T cell degranulation assay showed a superior specificity of 86.2% (n=70) compared to the NK cell degranulation assay, which achieved 78.9% specificity (n=213). The Vγ9Vδ2 T cell degranulation assay offered simpler technical requirements and reduced labor intensity, leading to decreased susceptibility to errors with faster processing times. Discussion This efficiency stemmed from the sole requirement of dissolving (E)-4-hydroxy-3-methyl-but-2-enyl pyrophosphate (HMBPP) powder, contrasting with the intricate maintenance of K562 cells necessary for the NK cell degranulation assay. With its diminished susceptibility to errors, we anticipate that the assay will require fewer repetitions of analysis, rendering it particularly well-suited for testing infants. Conclusion The Vγ9Vδ2 T cell degranulation assay is a user-friendly, efficient diagnostic tool for HLH. It offers greater specificity, reliability, and practicality than established methods. We believe that our present findings will facilitate the prompt, accurate diagnosis of HLH and thus enable rapid treatment and better patient outcomes.
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MESH Headings
- Humans
- Lymphohistiocytosis, Hemophagocytic/diagnosis
- Lymphohistiocytosis, Hemophagocytic/immunology
- Lymphohistiocytosis, Hemophagocytic/genetics
- Cell Degranulation
- Female
- Male
- Killer Cells, Natural/immunology
- Killer Cells, Natural/metabolism
- Receptors, Antigen, T-Cell, gamma-delta/metabolism
- Receptors, Antigen, T-Cell, gamma-delta/genetics
- Child, Preschool
- Child
- Infant
- Adolescent
- rab27 GTP-Binding Proteins/genetics
- Membrane Proteins/genetics
- Membrane Proteins/metabolism
- Adult
- T-Lymphocytes/immunology
- Reproducibility of Results
- Lymphocyte Activation
- Sensitivity and Specificity
- Munc18 Proteins
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Affiliation(s)
- Olivia Jorisch-Mühlebach
- Division of Immunology and Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland
| | - Dina Pitts
- Division of Immunology and Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland
| | - Raphaela Tinner
- Division of Immunology and Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland
| | - Hong Ying Teh
- Division of Immunology and Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland
| | - Conrad Roelli
- Division of Immunology and Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland
| | - Seraina Prader
- Division of Immunology and Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland
| | - Stefano Vavassori
- Division of Immunology and Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland
| | - Jana Pachlopnik Schmid
- Division of Immunology and Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland
- Pediatric Immunology, University of Zurich, Zurich, Switzerland
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Liu Y, Sardana R, Nemirovsky D, Frosina D, Jungbluth A, Johnson WT, Vardhana S, Arcila M, Horwitz SM, Derkach A, Dogan A, Xiao W. Somatic mutations in FAS pathway increase hemophagocytic lymphohistiocytosis risk in patients with T- and/or NK-cell lymphoma. Blood Adv 2024; 8:3064-3075. [PMID: 38593227 PMCID: PMC11222957 DOI: 10.1182/bloodadvances.2023011733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 03/05/2024] [Accepted: 03/25/2024] [Indexed: 04/11/2024] Open
Abstract
ABSTRACT Although significant progress has been made in understanding the genetic basis of primary hemophagocytic lymphohistiocytosis (HLH), the pathogenesis of secondary HLH, the more prevalent form, remains unclear. Among the various conditions giving rise to secondary HLH, HLH in patients with lymphoma (HLH-L) accounts for a substantial proportion. In this study, we investigated the role of somatic mutations in the pathogenesis of HLH-L in a cohort of patients with T- and/or natural killer-cell lymphoma. We identified a 3-time higher frequency of mutations in FAS pathway in patients with HLH-L. Patients harboring these mutations had a 5-time increased HLH-L risk. These mutations were independently associated with inferior outcome. Hence, our study demonstrates the association between somatic mutations in FAS pathway and HLH-L. Further studies are warranted on the mechanistic role of these mutations in HLH-L.
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Affiliation(s)
- Ying Liu
- Department of Pathology and Laboratory Medicine, Hematopathology Service, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Pathology and Laboratory Medicine, Diagnostic Molecular Service, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Rohan Sardana
- Department of Pathology and Laboratory Medicine, Hematopathology Service, Memorial Sloan Kettering Cancer Center, New York, NY
| | - David Nemirovsky
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Denise Frosina
- Department of Pathology and Laboratory Medicine, Hematopathology Service, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Achim Jungbluth
- Department of Pathology and Laboratory Medicine, Hematopathology Service, Memorial Sloan Kettering Cancer Center, New York, NY
| | - William T. Johnson
- Department of Medicine, Lymphoma Service, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Medicine, Weill Cornell Medical College, Cornell University, New York, NY
| | - Santosha Vardhana
- Department of Medicine, Lymphoma Service, Memorial Sloan Kettering Cancer Center, New York, NY
- Human Oncology & Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Maria Arcila
- Department of Pathology and Laboratory Medicine, Hematopathology Service, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Pathology and Laboratory Medicine, Diagnostic Molecular Service, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Steven M. Horwitz
- Department of Medicine, Lymphoma Service, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Medicine, Weill Cornell Medical College, Cornell University, New York, NY
| | - Andriy Derkach
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Ahmet Dogan
- Department of Pathology and Laboratory Medicine, Hematopathology Service, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Wenbin Xiao
- Department of Pathology and Laboratory Medicine, Hematopathology Service, Memorial Sloan Kettering Cancer Center, New York, NY
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Naughton P, Enright F, Lucey B. Infectious mononucleosis: new concepts in clinical presentation, epidemiology, and host response. Curr Opin Infect Dis 2024; 37:157-163. [PMID: 38529804 DOI: 10.1097/qco.0000000000001012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
PURPOSE OF REVIEW Infectious mononucleosis (IM) is an infectious disease that presents clinically in only a small percentage of individuals despite almost universal infection with the causative agent. Here, we review the latest concepts in the clinical presentation, epidemiology, and host response of this disease. RECENT FINDINGS Several recently published papers/reviews describe IM as a condition caused by one of several etiologic agents including, cytomegalovirus (HHV-5), Roseola virus (HHV-6) and Toxoplasmosis amongst others; this review focuses on IM as solely caused by the human herpes virus 4 (HHV-4). Since the initial discovery of the virus in the 1960s and its subsequent discovery as the primary etiologic agent for IM it has been associated with several human cancers and autoimmune disorders. Recent published findings show a correlation between HHV-4 and the autoimmune disorder, multiple sclerosis (MS), suggesting earlier IM could possibly act as a causative factor. Considering the important links being made with IM to so many cancers and autoimmune disorders it is surprising that a standard investigative procedure has yet to be determined for this disease. A standard approach to the investigation of IM would ensure more cases are diagnosed, particularly atypical cases, this would benefit epidemiological studies, and more immediately help practitioners distinguish viral from bacterial throat infections, enabling them to treat accordingly. SUMMARY The understanding of the latest concepts in clinical presentation, epidemiology and host response to IM would benefit greatly from the introduction of a standard procedure for its investigation and diagnosis.
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Affiliation(s)
- Patrick Naughton
- Department of Biological Sciences, Munster Technological University, Rossa Avenue, Bishopstown
- Department of Haematology
| | - Frances Enright
- Department of Paediatrics, Mercy University Hospital, Grenville Place, Cork, Ireland
| | - Brigid Lucey
- Department of Biological Sciences, Munster Technological University, Rossa Avenue, Bishopstown
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Wang H, Wang Y, Liu H, Li X, Sun C, Pang Z, Zhang B, Hu Y. Ruxolitinib-loaded cytokine nanosponge alleviated the cytokine storm and dampened macrophage overactivation for the treatment of hemophagocytic lymphohistiocytosis. Int J Pharm 2024; 657:124127. [PMID: 38621611 DOI: 10.1016/j.ijpharm.2024.124127] [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: 02/17/2024] [Revised: 03/30/2024] [Accepted: 04/13/2024] [Indexed: 04/17/2024]
Abstract
Hemophagocytic lymphohistiocytosis (HLH) is a life-threatening clinical syndrome characterized by a positive feedback loop between cytokine storm and macrophages and lymphocytes overactivation, which could serve as a valid therapeutic target for HLH treatment. In this study, the clinically extensively used JAK1/2 inhibitor ruxolitinib was encapsulated into macrophage membrane-coated nanoparticles (M@NP-R) with high drug-loading efficiency for targeted HLH treatment. In vitro and in vivo studies demonstrated that M@NP-R not only efficiently adsorbed extracellular proinflammation cytokines, like IFN-γ and IL-6 to alleviate the cytokine storm, but also effectively dampened macrophage activation and proliferation by intracellular JAK/STAT signaling pathway inhibition. M@NP-R treatment significantly ameliorated the clinical and laboratory manifestations of HLH in mouse models, including trilineage cytopenia, hypercytokinemia, organomegaly, hepatorenal dysfunction, and tissue inflammation. Importantly, M@NP-R significantly enhanced the survival of the lethal HLH mice. Altogether, M@NP-R successfully blocked the positive feedback loop between the cytokine storm and macrophage overactivation by depleting extracellular inflammatory cytokines and inhibiting the intracellular JAK/STAT signaling pathway, both of which worked synergistically in HLH treatment. As ruxolitinib has already been extensively used in clinics with favorable safety, and M@NP is biodegradable and highly biocompatible, M@NP-R has good prospects for clinical translation.
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Affiliation(s)
- Honglan Wang
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, Hubei 430022, China; Key Laboratory of Molecular Biological Targeted Therapies of the Ministry of Education
| | - Yiwei Wang
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, Hubei 430022, China; Key Laboratory of Molecular Biological Targeted Therapies of the Ministry of Education
| | - Huiwen Liu
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, Hubei 430022, China; Key Laboratory of Molecular Biological Targeted Therapies of the Ministry of Education
| | - Xuejing Li
- School of Pharmacy, Fudan University, Key Laboratory of Smart Drug Delivery, Ministry of Education, 826 Zhangheng Road, Shanghai 201203, China
| | - Chunyan Sun
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, Hubei 430022, China; Key Laboratory of Molecular Biological Targeted Therapies of the Ministry of Education
| | - Zhiqing Pang
- School of Pharmacy, Fudan University, Key Laboratory of Smart Drug Delivery, Ministry of Education, 826 Zhangheng Road, Shanghai 201203, China.
| | - Bo Zhang
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, Hubei 430022, China; Key Laboratory of Molecular Biological Targeted Therapies of the Ministry of Education.
| | - Yu Hu
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, Hubei 430022, China; Key Laboratory of Molecular Biological Targeted Therapies of the Ministry of Education.
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10
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Yahia Elhassan MA, Hussain Idres RM, Mohamed Elhassan BMS, Banaga Siddiq NS, Osman Mohammed RA, Mahmmoud Fadelallah Eljack M, Mustafa GE, Hemmeda L, Abbasher Hussien Mohamed Ahmed K. Macrophage activation syndrome in a Sudanese child: a case report from Sudan. Ann Med Surg (Lond) 2024; 86:3047-3051. [PMID: 38694344 PMCID: PMC11060311 DOI: 10.1097/ms9.0000000000001900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 02/25/2024] [Indexed: 05/04/2024] Open
Abstract
Introduction and importance Macrophage activation syndrome (MAS) is a severe form of hemophagocytic lymphohistiocytosis that is frequently associated with either a flare-up of rheumatologic diseases, or infection and is characterized by intermittent fever, organomegaly, and multisystem dysfunction. Early diagnosis and treatment are crucial for outcome improvement. Case presentation The authors present a 9-year-old male with systemic onset juvenile idiopathic arthritis who presented with fever, vomiting, and nose bleeding, as well as being jaundiced, and having hepatomegaly and ascites. Pancytopenia, hepatic dysfunction, and elevated ferritin levels were discovered, along with negative virological and immunological tests. He was given broad-spectrum antibiotics, and a high-dose steroid showed a good response, and he was discharged about a week later. Clinical discussion It is hypothesized that decreased natural killer cells' function could lead to the inability to clear the infection, and subsequent lymphocytes-induced macrophages activation. Despite being beneficial in this case, steroids led to no improvement in other similar cases. Conclusion MAS is a real life-threatening complication for patients with systemic Juvenile idiopathic arthritis (sJIA), and early diagnosis and prompt initial treatment can both offer a favourable result against such syndrome.
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11
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Li Y, Li S, Lu N, Wang W, Wang D. Secondary hemophagocytic lymphohistiocytosis in pediatric patients with visceral leishmaniasis and Epstein-Barr virus infection. Ann Hematol 2024; 103:1541-1547. [PMID: 38467825 DOI: 10.1007/s00277-024-05695-y] [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: 11/10/2023] [Accepted: 03/02/2024] [Indexed: 03/13/2024]
Abstract
Visceral leishmaniasis-associated hemophagocytic lymphohistiocytosis (VL-HLH) is indistinguishable from those of HLH of other etiologies due to the overlap symptoms, posing a serious threat to life. In this study, we aimed to provide insights for early diagnosis and improve outcomes in pediatric patients with VL-HLH. We retrospectively analyzed the clinical and laboratory data of 10 pediatric patients with VL-HLH and 58 pediatric patients with Epstein-Barr virus-associated hemophagocytic lymphohistiocytosis (EBV-HLH). The median time from symptom onset to cytopenia in patients with VL-HLH and EBV-HLH was 11 days (interquartile range, 7-15 days) and five days (interquartile range, 3.75-9.25 days) (P = 0.005). Both groups showed liver injury and increased lactate dehydrogenase levels; however the levels of aspartate aminotransferase, alanine aminotransferase, direct bilirubin, and lactate dehydrogenase in patients with VL-HLH were significantly lower than those in patients with EBV-HLH (P < 0.05). The fibrinogen and triglyceride levels were almost normal in VL-HLH patients but were significantly altered in EBV-HLH cases ( P < 0.05). The positive rate of first bone marrow microscopy examination, anti-rK39 IgG detection, and blood metagenomic next-generation sequencing was 50%, 100%, and 100%, respectively. After VL diagnosis, eight patients were treated with sodium stibogluconate and two were treated with liposomal amphotericin B. All the patients with VL-HLH recovered. Our study demonstrates that regular triglyceride and fibrinogen levels in pediatric patients with VL-HLH may help in differential diagnosis from EBV-HLH. VL-HLH is milder than EBV-HLH, with less severe liver injury and inflammatory responses, and timely treatment with antileishmanial agents is essential to improve the outcomes of pediatric patients with VL-HLH.
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Affiliation(s)
- Yuanfang Li
- Department of Pediatrics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Sanjing Li
- Department of Infectious Diseases, The Sixth People's Hospital of Zhengzhou, Zhengzhou, China
| | - Nadan Lu
- Department of Pediatrics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Weilin Wang
- Department of Pediatrics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Dao Wang
- Department of Pediatrics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
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12
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Chang CH, Kao CC. Hemophagocytic lymphohistiocytosis and myopericarditis induced by campylobacter: a case report. BMC Infect Dis 2024; 24:382. [PMID: 38589812 PMCID: PMC11003181 DOI: 10.1186/s12879-024-09128-z] [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: 09/03/2023] [Accepted: 02/12/2024] [Indexed: 04/10/2024] Open
Abstract
BACKGROUND Hemophagocytic lymphohistiocytosis (HLH) is a severe disorder characterized by excessive activation of the immune system, leading to hypercytokinemia and damage to multiple organs. We report a rare case of HLH with myopericarditis caused by Campylobacter infection. CASE PRESENTATION A 28-year-old male patient with a history of hypertension without medicine control presented at the hospital after a four-day fever, decreasing urine amount, rashes on his trunk and limbs, and other symptoms. He was admitted with a provisional diagnosis of atypical infection and allergic skin rash related to diclofenac. However, his condition deteriorated, and he developed shock, tachycardia, chest distress, and bilateral pleural effusion after admission. Further investigations revealed cardiogenic shock related to myopericarditis, and he was transferred to the ICU. In addition, a stool PCR panel subsequently revealed a positive result for Campylobacter. On day 6, he was diagnosed with HLH. Under Clarithromycin and dexamethasone infusion, leukocytosis, anemia and thrombocytopenia with cardiogenic shock status improved. Then, he was later discharged in stable condition. CONCLUSIONS HLH and myopericarditis caused by Campylobacter are very rare. Early detection of Campylobacter-induced HLH and multiple organ failure, as well as prompt use of antibiotics and immunosuppressants, can be helpful for prognosis.
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Affiliation(s)
- Chia Hua Chang
- Department of Internal Medicine , Tungs' Taichung MetroHarbor Hospital, Taichung City, Taiwan
| | - Chih-Chuan Kao
- Department of Infection, Tungs' Taichung MetroHarbor Hospital, No.699, Section 8, Taiwan Boulevard, Wuqi District, Taichung City, 43503, Taiwan.
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13
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Wang G, Ge HH, Hu L, Guo PJ, Cui N, Zhu CL, Lin L, Liu W. Severe fever with thrombocytopenia syndrome complicated by haemophagocytic lymphohistiocytosis: a retrospective cohort study. Clin Microbiol Infect 2024; 30:558-560. [PMID: 38266706 DOI: 10.1016/j.cmi.2024.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 12/19/2023] [Accepted: 01/14/2024] [Indexed: 01/26/2024]
Affiliation(s)
- Gang Wang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Hong-Han Ge
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Lifen Hu
- Department of Infectious Diseases, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Pei-Jun Guo
- Department of Disinfection and Vector Control, Yantai Center for Disease Control and Prevention, Yantai, China
| | - Ning Cui
- Department of Infectious Diseases, The 154th Hospital, Xinyang, China
| | - Chuan-Long Zhu
- Department of Infectious Diseases, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Ling Lin
- Department of Infectious Diseases, Yantai Qishan Hospital, Yantai, China.
| | - Wei Liu
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China; Department of Infectious Diseases, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China.
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14
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Cheng W, Xu J, Shu Y, Qiu H, Yin G. Association of a decreased platelet count with poor survival in patients with adult secondary hemophagocytic lymphohistiocytosis. Ann Hematol 2024; 103:1159-1166. [PMID: 38378930 DOI: 10.1007/s00277-024-05663-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 02/13/2024] [Indexed: 02/22/2024]
Abstract
We aimed to examine the association between baseline platelet count (PLT) and the prognosis of adult secondary hemophagocytic lymphohistiocytosis (sHLH). Data from 292 patients with pretreatment platelet counts were retrospectively analysed from January 2016 to December 2020. We categorized platelet count into quartiles. Multivariable Cox proportional hazards models and restricted cubic splines (RCS) were used to evaluate the relationship between platelet count and mortality. During a median follow-up of 53 (interquartile ranges, 17-223) days, a total of 208 deaths occurred. After adjusting for multiple variables, a non-linear and inverse relationship was observed between platelet count and mortality in sHLH patient (P for nonlinearity=0.002). For non- lymphoma-associated haemophagocytic lymphohistiocytosis (non-LHLH), a similar curve was also observed (P for nonlinearity =0.028). Decreased PLT (PLT Q4) was associated with an increased risk of mortality (adjusted hazard ratio: 1.97; 95% confidence interval: 1.28-3.04; Ptrend =0.005). Similar results were observed in the LHLH subgroup (adjusted hazard ratio: 1.84; 95% confidence interval: 1.05-3.24; Ptrend =0.024) but not in the non-LHLH subgroup (Ptrend =0.266). Baseline platelet count demonstrated a nonlinear and inverse association with an increased risk of mortality among adult sHLH patients. This method is used to identify sHLH patients with inferior overall survival due to its low cost and universal availability.
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Affiliation(s)
- Wanying Cheng
- Department of Hematology, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi Medical Center, Nanjing Medical University, Wuxi, 214023, China
| | - Ji Xu
- Department of Hematology, Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, China
| | - Yongqian Shu
- Department of Oncology, Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, China
| | - Hongxia Qiu
- Department of Hematology, Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, China.
| | - Guangli Yin
- Department of Hematology, Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, China.
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15
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Li EC, Lai QL, Cai MT, Fang GL, Fang W, Zheng Y, Du Y, Du BQ, Shen CH, Qiao S, Ding MP, Zhang YX. Chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids (CLIPPERS): contemporary advances and current controversies. J Neurol 2024; 271:1747-1766. [PMID: 38286842 DOI: 10.1007/s00415-024-12189-4] [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: 10/30/2023] [Revised: 01/02/2024] [Accepted: 01/03/2024] [Indexed: 01/31/2024]
Abstract
Chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids (CLIPPERS) is an inflammatory syndrome with characteristic clinical, radiological, and pathological features, and can be effectively treated with corticosteroid-based immunotherapies. The exact pathogenesis of CLIPPERS remains unclear, and specific diagnostic biomarkers are not available. According to the 2017 diagnostic criteria, probable CLIPPERS should be considered in middle-aged patients with subacute onset of pontocerebellar symptoms and typical punctuate and curvilinear gadolinium enhancement lesions ("salt-and-pepper" appearance) located in the hindbrain (especially pons) on magnetic resonance imaging. In addition, CLIPPERS-mimics, such as central nervous system (CNS) lymphoma, and several antibody-associated autoimmune CNS diseases (e.g., myelin oligodendrocyte glycoprotein antibody-associated disease, autoimmune glial fibrillary acidic protein astrocytopathy, and anti-N-methyl-D-aspartate receptor encephalitis), should be extensively excluded. The prerequisite for definite CLIPPERS is the perivascular T-cell-predominant inflammatory infiltration observed on pathological analysis. A biopsy is strongly suggested when clinical/radiological red flags are present. Most patients with CLIPPERS respond well to corticosteroids and have a good prognosis. Long-term low-dose corticosteroid maintenance therapy or corticosteroids coupled with immunosuppressants are recommended to prevent the recurrence of the syndrome. The potential progression of CLIPPERS to lymphoma has been suggested in some cases; therefore, at least 2-year clinical and radiological follow-up is essential. Here, we critically review the recent developments and provided an update on the clinical characteristics, diagnostic criteria, differential diagnoses, and therapeutic management of CLIPPERS. We also discuss the current controversies in this context that can be resolved in future research studies.
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Affiliation(s)
- Er-Chuang Li
- Department of Neurology, Taikang Ningbo Hospital, Ningbo, 315042, China
| | - Qi-Lun Lai
- Department of Neurology, Zhejiang Hospital, Hangzhou, 310013, China
| | - Meng-Ting Cai
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, 88 Jiefang Road, Hangzhou, 310009, China
| | - Gao-Li Fang
- Department of Neurology, Zhejiang Chinese Medicine and Western Medicine Integrated Hospital, Hangzhou, 310003, China
| | - Wei Fang
- Department of Neurology, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, 310007, China
| | - Yang Zheng
- Department of Neurology, First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310006, China
| | - Ye Du
- Department of Neurology, Shaoxing People's Hospital, Shaoxing, 312000, China
| | - Bing-Qing Du
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, 88 Jiefang Road, Hangzhou, 310009, China
| | - Chun-Hong Shen
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, 88 Jiefang Road, Hangzhou, 310009, China
| | - Song Qiao
- Department of Neurology, Zhejiang Hospital, Hangzhou, 310013, China
| | - Mei-Ping Ding
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, 88 Jiefang Road, Hangzhou, 310009, China.
| | - Yin-Xi Zhang
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, 88 Jiefang Road, Hangzhou, 310009, China.
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16
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Deng R, Yuan G, Ye Y, Luo W, Zhong J, Wang H, Wei X, Luo X, Xiong A. Qualitative evaluation of connective tissue disease with cytomegalovirus infection: A meta-analysis of case reports. Semin Arthritis Rheum 2024; 65:152396. [PMID: 38340610 DOI: 10.1016/j.semarthrit.2024.152396] [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: 11/15/2023] [Revised: 01/24/2024] [Accepted: 01/26/2024] [Indexed: 02/12/2024]
Abstract
BACKGROUND The primary therapies for connective tissue disease include glucocorticoids and immunosuppressants. However, their prolonged usage can precipitate opportunistic infections, such as cytomegalovirus infection. When managing connective tissue disease complicated by cytomegalovirus infection, judicious selection of treatment modalities is crucial. This involves assessing the necessity for antiviral therapy and contemplating the reduction or cessation of glucocorticoids and immunosuppressants. OBJECTIVE This investigation sought to methodically review existing literature regarding treating connective tissue disease patients with cytomegalovirus infection. METHODS On July 5, 2023, an exhaustive literature search was conducted. Data analysis utilized the Kruskal-Wallis test or one-way analysis of variance, supplemented by Bonferroni post hoc testing. RESULTS Our meta-analysis incorporated 88 studies encompassing 146 connective tissue disease patients with CMV infections. The results indicated that patients with connective tissue disease and cytomegalovirus disease benefitted more from antiviral therapy than those not receiving such treatment (P = 0.003, P < 0.005). Furthermore, the strategic reduction of glucocorticoids and/or immunosuppressants was beneficial (P = 0.037, P < 0.05). Poor clinical outcomes with glucocorticoid-immunosuppressant combination therapy compared to other treatment modalities. The findings also suggested that CMV infection patients fare better without Cyclosporine A than using it (P = 0.041, P < 0.05). CONCLUSION Antiviral therapy is a viable treatment option in cases of connective tissue disease co-occurring with cytomegalovirus disease. Additionally, when connective tissue disease is stable, there is potential merit in reducing glucocorticoids and/or immunosuppressants, especially avoiding the combination of these drugs. For all cytomegalovirus infection patients, Cyclosporine A may be avoided wherever possible for selecting immunosuppressive agents if its use is not deemed essential in the treatment regimen.
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Affiliation(s)
- Ruiting Deng
- Department of Rheumatology and Immunology, Nanchong Central Hospital, The Affiliated Nanchong Central Hospital of North Sichuan Medical College, Nanchong Hospital of Beijing Anzhen Hospital Capital Medical University, Nanchong, Sichuan, China
| | - Gaodi Yuan
- Department of Rheumatology and Immunology, Nanchong Central Hospital, The Affiliated Nanchong Central Hospital of North Sichuan Medical College, Nanchong Hospital of Beijing Anzhen Hospital Capital Medical University, Nanchong, Sichuan, China
| | - Yiman Ye
- Department of Rheumatology and Immunology, Nanchong Central Hospital, The Affiliated Nanchong Central Hospital of North Sichuan Medical College, Nanchong Hospital of Beijing Anzhen Hospital Capital Medical University, Nanchong, Sichuan, China
| | - Wenxuan Luo
- Department of Rheumatology and Immunology, Nanchong Central Hospital, The Affiliated Nanchong Central Hospital of North Sichuan Medical College, Nanchong Hospital of Beijing Anzhen Hospital Capital Medical University, Nanchong, Sichuan, China
| | - Jiaxun Zhong
- Department of Rheumatology and Immunology, Nanchong Central Hospital, The Affiliated Nanchong Central Hospital of North Sichuan Medical College, Nanchong Hospital of Beijing Anzhen Hospital Capital Medical University, Nanchong, Sichuan, China
| | - Haolan Wang
- Department of Rheumatology and Immunology, Nanchong Central Hospital, The Affiliated Nanchong Central Hospital of North Sichuan Medical College, Nanchong Hospital of Beijing Anzhen Hospital Capital Medical University, Nanchong, Sichuan, China
| | - Xin Wei
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, China.
| | - Xiongyan Luo
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China.
| | - Anji Xiong
- Department of Rheumatology and Immunology, Nanchong Central Hospital, The Affiliated Nanchong Central Hospital of North Sichuan Medical College, Nanchong Hospital of Beijing Anzhen Hospital Capital Medical University, Nanchong, Sichuan, China; Inflammation and Immunology Key Laboratory of Nanchong City, Nanchong, Sichuan, China; Nanchong Central Hospital, (Nanchong Clinical Research Center), Nanchong, Sichuan, China.
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17
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Guo T, Liu Z, Chen Y, Cheng Y, He K, Lin X, Wang M, Sun Y. Hemophagocytic lymphohistiocytosis during treatment of intracranial multifocal germinoma: a case report and literature review. Front Oncol 2024; 14:1264926. [PMID: 38532931 PMCID: PMC10963405 DOI: 10.3389/fonc.2024.1264926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 02/19/2024] [Indexed: 03/28/2024] Open
Abstract
Hemophagocytic lymphohistiocytosis (HLH), also known as hemophagocytic syndrome (HPS), is a benign histiocytosis with hyperreactive proliferation of the mononuclear phagocyte system caused by immune function abnormalities, which often occurs under the background of genetic mutations, inflammation, infection or tumors. Because the research on malignancy-associated HLH (M-HLH) is focused on hematological malignancies, reports on HLH secondary to solid tumors are rare. In this case, we report a 14-year-old girl who developed HLH during treatment for intracranial multifocal germinoma, and the disease was controlled after hormone combined with etoposide(VP-16) and other related treatments. To our knowledge, there have been no documented cases of HLH caused by intracranial multifocal germinoma.
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Affiliation(s)
- Ting Guo
- Department of Clinical Laboratory, Fengcheng Hospital of Fengxian District, Shanghai, China
| | - Zichun Liu
- Department of Clinical Laboratory, Fengcheng Hospital of Fengxian District, Shanghai, China
| | - Yixin Chen
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, China
| | - Yangyang Cheng
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, China
| | - Kaitong He
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, China
| | - Xin Lin
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, China
| | - Mingzhu Wang
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, China
| | - Yihua Sun
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, China
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18
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Pei Y, Zhu J, Yao R, Cao L, Wang Z, Liang R, Jia Y, Su Y. Prognostic factors in patients with secondary hemophagocytic lymphohistioc ytosis in a Chinese cohort. Ann Hematol 2024; 103:695-703. [PMID: 38265737 DOI: 10.1007/s00277-023-05567-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 11/24/2023] [Indexed: 01/25/2024]
Abstract
Hemophagocytic lymphohistiocytosis (HLH) is a rare hyperinflammatory syndrome with high mortality mediated by an unbridled and persistent activation of cytotoxic T lymphocytes and natural killer cells. However, the influence factors of early death in adult sHLH patients are still not fully elucidated, which need further investigating. We have conducted an observational study of adult HLH patients between January 2016 and December 2022. All patients are enrolled according to HLH-2004 criteria. Clinical manifestations, laboratory data, treatments, and outcomes have been recorded. Influence factors associated with prognosis are calculated by using logistic regression models. Overall, 220 patients enrolled in this study. The etiologies of HLH were divided into five groups including autoimmune-associated hemophagocytic syndrome (AAHS) (n = 90, 40.9%), malignancies (n = 73, 33.2%), EBV-HLH (n = 18, 8.2%), infection excluded EBV (n = 24, 10.9%), and other triggers (n = 15, 6.8%). Among them, EBV-HLH had the highest mortality (77.8%), and AAHS had the lowest mortality (14.4%). Multivariate analysis indicated that age (≥ 38 years old), cytopenia ≥ 2 lines, platelets (≤ 50 × 109/L), aspartate aminotransferase (≥ 135U/L), prothrombin time (≥ 14.9 s) and activated partial thromboplastin time (≥ 38.5s), EBV, and fungal infection are independent risk factors for poor prognosis of HLH. Adult HLH patients with elder age, cytopenia ≥ 2 lines, levels of decreased platelets, increased AST, prolonged PT and APTT, EBV, and fungal infection tend to have a poor prognosis.
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Affiliation(s)
- Yuanyuan Pei
- Department of Emergency, Peking University People's Hospital, Beijing, China
| | - Jihong Zhu
- Department of Emergency, Peking University People's Hospital, Beijing, China
| | - Ranran Yao
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, China
| | - Lingjie Cao
- Department of Emergency, Peking University People's Hospital, Beijing, China
| | - Ziye Wang
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, China
| | - Renge Liang
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, China
| | - Yuan Jia
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, China.
| | - Yin Su
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, China.
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19
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Feng C, Hua Z, He L, Yao S, Zou H, Zhu Y, Wang Z, Wang Y. A convenient and practical index for predicting the induction response in adult patients with hemophagocytic lymphohistiocytosis: ferritin/platelet ratio. Ann Hematol 2024; 103:715-723. [PMID: 38197929 PMCID: PMC10867095 DOI: 10.1007/s00277-023-05606-7] [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: 10/18/2023] [Accepted: 12/21/2023] [Indexed: 01/11/2024]
Abstract
Hemophagocytic lymphohistiocytosis (HLH) is a hyperinflammatory syndrome with high mortality rate. The response to induction therapy is an important factor affecting survival. The purpose is to investigate laboratory predictors for induction response in adult patients with HLH, which are convenient, practical, and timeliness. Clinical data from January 2017 to December 2020 was retrospectively analyzed, and 269 patients were included. Patients were divided into remission and non-remission groups according to their induction response, 177 in the remission group, and 92 in the non-remission group. We reviewed general characteristics and analyzed the predictive value of serum ferritin, triglycerides, alanine aminotransferase (ALT), and blood cells before and 1-4 weeks after induction therapy for induction response by univariate analysis, ROC curves, etc. There was a correlation between serum ferritin, ALT, leukocytes, neutrophils, hemoglobin, platelets, and induction response (P < 0.05). Serum ferritin and platelets 1-4 weeks after induction therapy, respectively, might be a good predictor for induction response in adults with HLH, with AUC values close to or greater than 0.7. We established a new clinical model of the ferritin/platelet ratio. The results showed that the ferritin/platelet ratio at 1-4 weeks after induction therapy might be a practical index for predicting induction response, which significantly improved the area under the ROC curve (AUC > 0.75). Patients with a ferritin/platelet ratio > 16.08 at 2 weeks after induction therapy may have a relatively poor induction response. Ferritin/platelet ratio after induction therapy can be a good predictor for induction response in adult patients with HLH.
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Affiliation(s)
- Cuicui Feng
- Department of Hematology, Capital Medical University Affiliated Beijing Friendship Hospital, Beijing, 100050, China
- Department of Hematology, Capital Medical University Affiliated Beijing Anzhen Hospital, Beijing, 100029, China
| | - Zhengjie Hua
- Department of Hematology, Capital Medical University Affiliated Beijing Friendship Hospital, Beijing, 100050, China
| | - Lingbo He
- Department of General Medicine, Capital Medical University Affiliated Beijing Friendship Hospital, Beijing, 100050, China
| | - Shuyan Yao
- Department of Hematology, Capital Medical University Affiliated Beijing Friendship Hospital, Beijing, 100050, China
| | - Heshan Zou
- Department of Hematology, Capital Medical University Affiliated Beijing Friendship Hospital, Beijing, 100050, China
| | - Yingxin Zhu
- Department of Hematology, Capital Medical University Affiliated Beijing Friendship Hospital, Beijing, 100050, China
| | - Zhao Wang
- Department of Hematology, Capital Medical University Affiliated Beijing Friendship Hospital, Beijing, 100050, China.
| | - Yini Wang
- Department of Hematology, Capital Medical University Affiliated Beijing Friendship Hospital, Beijing, 100050, China.
- Department of General Medicine, Capital Medical University Affiliated Beijing Friendship Hospital, Beijing, 100050, China.
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20
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Pai P, Nirmal A, Mathias L, Jain S, Shetty MG, Sundara BK. Molecular Mutations in Histiocytosis: A Comprehensive Survey of Genetic Alterations. Mol Biotechnol 2024:10.1007/s12033-024-01072-2. [PMID: 38376733 DOI: 10.1007/s12033-024-01072-2] [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: 11/04/2023] [Accepted: 01/07/2024] [Indexed: 02/21/2024]
Abstract
Histiocytosis represents a group of uncommon disorders characterized by the abnormal accumulation of specialized immune cells, such as macrophages, dendritic cells, or monocyte-derived cells, in various tissues and organs. Over 100 distinct subtypes have been documented, each displaying a broad spectrum of clinical presentations and histological characteristics. Till today, histiocytosis has been addressed through a combination of chemotherapy, radiotherapy, and surgery, with varying responses from individual patients. Due to its atypical symptoms, it has been prone to misdiagnosis. Advances in our understanding of the cellular and molecular aspects of these conditions are paving the way for improved diagnostic methods and targeted therapies. Researchers have extensively investigated various mutations in patient samples. However, no paper has yet provided a comprehensive summary of the collective analysis of mutations and pathways. Hence, this paper consolidates research efforts that specifically concentrate on gene mutations identified in patient samples of different subtypes of histiocytosis. These insights are essential for developing targeted therapies and improving diagnosis. Further, it provides potential insights to enhance the development of more effective therapeutic approaches for rare diseases.
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Affiliation(s)
- Padmini Pai
- Department of Biophysics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Arnav Nirmal
- Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Lian Mathias
- Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Siya Jain
- Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Manasa Gangadhar Shetty
- Department of Biophysics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Babitha Kampa Sundara
- Department of Biophysics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India.
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21
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Li X, Wirtz T, Weber T, Lebedin M, Lowenstein ED, Sommermann T, Zach A, Yasuda T, de la Rosa K, Chu VT, Schulte JH, Müller I, Kocks C, Rajewsky K. Precise CRISPR-Cas9 gene repair in autologous memory T cells to treat familial hemophagocytic lymphohistiocytosis. Sci Immunol 2024; 9:eadi0042. [PMID: 38306418 DOI: 10.1126/sciimmunol.adi0042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 01/11/2024] [Indexed: 02/04/2024]
Abstract
Familial hemophagocytic lymphohistiocytosis (FHL) is an inherited, often fatal immune deficiency characterized by severe systemic hyperinflammation. Although allogeneic bone marrow transplantation can be curative, more effective therapies are urgently needed. FHL is caused by inactivating mutations in proteins that regulate cellular immunity. Here, we used an adeno-associated virus-based CRISPR-Cas9 system with an inhibitor of nonhomologous end joining to repair such mutations in potentially long-lived T cells ex vivo. Repaired CD8 memory T cells efficiently cured lethal hyperinflammation in a mouse model of Epstein-Barr virus-triggered FHL2, a subtype caused by perforin-1 (Prf1) deficiency. Furthermore, repair of PRF1 and Munc13-4 (UNC13D)-whose deficiency causes the FHL subtype FHL3-in mutant memory T cells from two critically ill patients with FHL restored T cell cytotoxicity. These results provide a starting point for the treatment of genetic T cell immune dysregulation syndromes with repaired autologous T cells.
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Affiliation(s)
- Xun Li
- Immune Regulation and Cancer, Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), 13125 Berlin, Germany
| | - Tristan Wirtz
- Immune Regulation and Cancer, Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), 13125 Berlin, Germany
| | - Timm Weber
- Immune Regulation and Cancer, Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), 13125 Berlin, Germany
| | - Mikhail Lebedin
- Immune Mechanisms and Human Antibodies, Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), 13125 Berlin, Germany
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), 10117 Berlin, Germany
| | - Elijah D Lowenstein
- Developmental Biology/Signal Transduction, Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), 13125 Berlin, Germany
| | - Thomas Sommermann
- Immune Regulation and Cancer, Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), 13125 Berlin, Germany
| | - Andreas Zach
- Immune Regulation and Cancer, Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), 13125 Berlin, Germany
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), 10117 Berlin, Germany
| | - Tomoharu Yasuda
- Immune Regulation and Cancer, Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), 13125 Berlin, Germany
| | - Kathrin de la Rosa
- Immune Mechanisms and Human Antibodies, Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), 13125 Berlin, Germany
- Center of Biological Design, Berlin Institute of Health (BIH) at Charité, 13125 Berlin, Germany
| | - Van Trung Chu
- Immune Regulation and Cancer, Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), 13125 Berlin, Germany
- Genome Engineering & Disease Models, Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), 13125 Berlin, Germany
| | - Johannes H Schulte
- Department of Pediatric Hematology, Oncology and Stem Cell Transplantation, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), 10117 Berlin, Germany
| | - Ingo Müller
- Division of Pediatric Stem Cell Transplantation and Immunology, Clinic of Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Christine Kocks
- Immune Regulation and Cancer, Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), 13125 Berlin, Germany
- Developmental Biology/Signal Transduction, Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), 13125 Berlin, Germany
| | - Klaus Rajewsky
- Immune Regulation and Cancer, Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), 13125 Berlin, Germany
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22
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Haruta K, Suzuki T, Yamaguchi M, Fukuda Y, Torii Y, Takahashi Y, Ito Y, Kawada JI. Comparison of plasma proteomic profiles of patients with Epstein-Barr virus-associated hemophagocytic lymphohistiocytosis and infectious mononucleosis. J Med Virol 2024; 96:e29450. [PMID: 38304956 DOI: 10.1002/jmv.29450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 12/18/2023] [Accepted: 01/23/2024] [Indexed: 02/03/2024]
Abstract
Primary Epstein-Barr virus (EBV) infection occasionally causes EBV-infectious mononucleosis (EBV-IM) and EBV-hemophagocytic lymphohistiocytosis (EBV-HLH). Although EBV-IM is mostly mild and self-limiting, EBV-HLH is a life-threatening disease characterized by excessive immune activation. However, the pathogenesis of EBV-HLH is yet to be fully elucidated. A diagnostic biomarker for EBV-HLH is desirable because early diagnosis and treatment are critical for the effective management of patients. In this study, the proteomic profiling of plasma was performed using liquid chromatography-mass spectrometry to identify proteins specific to EBV-IM and EBV-HLH. Furthermore, pathway analysis was performed for the proteins upregulated in patients with EBV-IM and EBV-HLH. Compared to healthy controls, 63 and 18 proteins were upregulated in patients with EBV-IM and EBV-HLH, respectively. Pathway and process enrichment analyses revealed that the complement system was the most enriched category of upregulated proteins in EBV-IM, whereas proteins related to immune effector processes were the most enriched in EBV-HLH. Among the 18 proteins upregulated in EBV-HLH, seven were exclusive to EBV-HLH. These specific proteins were associated with three pathways, and apolipoprotein E was commonly found in all the pathways. Proteomic analysis may provide new insights into the host response to EBV infection and the pathogenesis of EBV-related diseases.
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Affiliation(s)
- Kazunori Haruta
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Takako Suzuki
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Makoto Yamaguchi
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yuto Fukuda
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yuka Torii
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yoshiyuki Takahashi
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yoshinori Ito
- Department of Pediatrics, Aichi Medical University, Nagakute, Japan
| | - Jun-Ichi Kawada
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
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23
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Ong MZ, Kimberly SA, Lee WH, Ling M, Lee M, Tan KW, Foo JB, Yow HY, Sellappans R, Hamzah S. FDA-approved CAR T-cell Therapy: A Decade of Progress and Challenges. Curr Pharm Biotechnol 2024; 25:1377-1393. [PMID: 39034731 DOI: 10.2174/0113892010257212231001082741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 07/12/2023] [Accepted: 08/07/2023] [Indexed: 07/23/2024]
Abstract
CAR T-cell therapy is a promising approach for cancer treatment, utilizing a patient's own T-cells (autologous cell) or T-cells from a healthy donor (allogeneic cell) to target and destroy cancer cells. Over the last decade, significant advancements have been made in this field, including the development of novel CAR constructs, improved understanding of biology and mechanisms of action, and expanded clinical applications for treating a wider range of cancers. In this review, we provide an overview of the steps involved in the production of CAR T-cells and their mechanism of action. We also introduce different CAR T-cell therapies available, including their implementation, dosage, administration, treatment cost, efficacy, and resistance. Common side effects of CAR T-cell therapy are also discussed. The CAR T-cell products highlighted in this review are FDA-approved products, which include Kymriah® (tisagenlecleucel), Tecartus® (brexucabtagene autoleucel), Abecma® (Idecabtagene vicleucel), Breyanzi® (lisocabtagene maraleucel), and Yescarta® (axicabtagene ciloleucel). In conclusion, CAR T-cell therapy has made tremendous progress over the past decade and has the potential to revolutionize cancer treatment. This review paper provides insights into the progress, challenges, and future directions of CAR T-cell therapy, offering valuable information for researchers, clinicians, and patients.
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Affiliation(s)
- Melissa Z Ong
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, 47500, Subang Jaya, Selangor, Malaysia
| | - Sharon A Kimberly
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, 47500, Subang Jaya, Selangor, Malaysia
| | - Wen-Hwei Lee
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, 47500, Subang Jaya, Selangor, Malaysia
| | - Marcus Ling
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, 47500, Subang Jaya, Selangor, Malaysia
| | - Michael Lee
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, 47500, Subang Jaya, Selangor, Malaysia
| | - Ke-Wei Tan
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, 47500, Subang Jaya, Selangor, Malaysia
| | - Jhi-Biau Foo
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, 47500, Subang Jaya, Selangor, Malaysia
- Medical Advancement for Better Quality of Life Impact Lab, Taylor's University, 47500, Subang Jaya, Selangor, Malaysia
| | - Hui-Yin Yow
- Department of Pharmaceutical Life Sciences, Faculty of Pharmacy, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Renukha Sellappans
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, 47500, Subang Jaya, Selangor, Malaysia
| | - Sharina Hamzah
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, 47500, Subang Jaya, Selangor, Malaysia
- Medical Advancement for Better Quality of Life Impact Lab, Taylor's University, 47500, Subang Jaya, Selangor, Malaysia
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24
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Yang T, Chen R, Zhang M, Jing R, Geng J, Wei G, Luo Y, Xiao P, Hong R, Feng J, Fu S, Zhao H, Cui J, Huang S, Huang H, Hu Y. Relapsed/Refractory Peripheral T-Cell Lymphoma-Associated Hemophagocytic Lymphohistiocytosis With UNC13D and CD27 Germline Mutations. Cell Transplant 2024; 33:9636897231221887. [PMID: 38183241 PMCID: PMC10771736 DOI: 10.1177/09636897231221887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 11/20/2023] [Accepted: 12/06/2023] [Indexed: 01/07/2024] Open
Abstract
Hemophagocytic lymphohistiocytosis (HLH) is a severe hyperinflammatory disease characterized by familial and acquired forms. Here, we present the case of a 26-year-old male patient with relapsed/refractory peripheral T-cell lymphoma and concurrent HLH. Whole-exon sequencing revealed germline mutations associated with HLH, including those in critical genes such as CD27 and UNC13D and other germline heterozygous variants (NOTCH2, NOTCH3, IL2RA, TYK2, AGL, CFD, and F13A1). CD107a analyses consistently demonstrated impaired degranulation of cytotoxic T-lymphocytes and natural killer (NK) cells. Examination of the patient's family pedigree revealed that his father and mother harbored UNC13D and CD27 mutations, respectively; his brother carried the same CD27 heterozygous mutation. However, none of them manifested the disease. Despite the missense mutation of CD27 (c.779C>T; p.Pro260Leu) lacking previous documentation in databases, comprehensive analysis suggested non-pathogenic mutations in the CD27 variant, indicating minimal impact on T- and NK-cell functions. These results ultimately supported the option of hematopoietic stem cell transplantation (HSCT) as a successful curative therapeutic approach. As of this report, the patient has remained free of lymphoma and quiescent HLH 15.2 months post-HSCT. This study underscores the efficacy of genetic tests in identifying significant mutations and confirming their etiologies, providing an early basis for treatment decisions and the selection of suitable transplant donors.
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Affiliation(s)
- Tingting Yang
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
- Institute of Hematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Rongrong Chen
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
- Institute of Hematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Mingming Zhang
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
- Institute of Hematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Ruirui Jing
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
- Institute of Hematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Jia Geng
- Department of Radiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Guoqing Wei
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
- Institute of Hematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Yi Luo
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
- Institute of Hematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Pingnan Xiao
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
- Institute of Hematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Ruimin Hong
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
- Institute of Hematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Jingjing Feng
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
- Institute of Hematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Shan Fu
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
- Institute of Hematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Houli Zhao
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
- Institute of Hematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Jiazhen Cui
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
- Institute of Hematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Simao Huang
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
- Institute of Hematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - He Huang
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
- Institute of Hematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Yongxian Hu
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
- Institute of Hematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
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25
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Deng X, Ge T, Shen K, Wang J, Mu W, Luo H, Gu J, Zhang M, Xiao M. Novel heterozygous mutations of TNFRSF13B in EBV-associated T/NK lymphoproliferative diseases (EBV-T/NK-LPDs). BLOOD SCIENCE 2024; 6:e00180. [PMID: 38226020 PMCID: PMC10789450 DOI: 10.1097/bs9.0000000000000180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 12/10/2023] [Indexed: 01/17/2024] Open
Affiliation(s)
- Xinyue Deng
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
- Immunotherapy Research Center for Hematologic Diseases of Hubei Province, Wuhan, Hubei 430030, China
| | - Tong Ge
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
- Immunotherapy Research Center for Hematologic Diseases of Hubei Province, Wuhan, Hubei 430030, China
| | - Kefeng Shen
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
- Immunotherapy Research Center for Hematologic Diseases of Hubei Province, Wuhan, Hubei 430030, China
| | - Jiachen Wang
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
- Immunotherapy Research Center for Hematologic Diseases of Hubei Province, Wuhan, Hubei 430030, China
| | - Wei Mu
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
- Immunotherapy Research Center for Hematologic Diseases of Hubei Province, Wuhan, Hubei 430030, China
| | - Hui Luo
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
- Immunotherapy Research Center for Hematologic Diseases of Hubei Province, Wuhan, Hubei 430030, China
| | - Jia Gu
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
- Immunotherapy Research Center for Hematologic Diseases of Hubei Province, Wuhan, Hubei 430030, China
| | - Meilan Zhang
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
- Immunotherapy Research Center for Hematologic Diseases of Hubei Province, Wuhan, Hubei 430030, China
| | - Min Xiao
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
- Immunotherapy Research Center for Hematologic Diseases of Hubei Province, Wuhan, Hubei 430030, China
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26
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Wang DD, Wu S, Kong BB, Song LL. Hemophagocytic lymphohistiocytosis with jaundice as first manifestation: A case report. World J Clin Cases 2023; 11:8212-8218. [PMID: 38130789 PMCID: PMC10731184 DOI: 10.12998/wjcc.v11.i34.8212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 11/11/2023] [Accepted: 11/27/2023] [Indexed: 12/06/2023] Open
Abstract
BACKGROUND Hemophagocytic lymphohistiocytosis (HLH) is a rare but life-threatening condition. It is an immune-mediated disease that has a wide range of causes, elicits a hyperinflammatory response, and results in multiple organ damage. Clinical presentations vary, and in some cases, jaundice occurs as the first symptom. CASE SUMMARY We report the case of a 71-year-old female patient who presented with jaundice. She was admitted to our hospital because of the occurrence of "jaundice for half a month", and upon examination, obstructive jaundice with choledocholithiasis and gallstones was suggested. Cholecystectomy and choledocholithotomy were performed. However, the jaundice did not improve after surgery. We found splenomegaly, cytopenia, hypertriglyceridemia, hypofibrinogenemia, and elevated ferritin. Bone marrow biopsy revealed hemophagocytosis. Later, cardiac arrest occurred when she returned 3 wk after the surgery. We considered that HLH was triggered by septic shock. The patient's condition deteriorated rapidly, with multiple organ dysfunction and severe gastrointestinal bleeding. Corticosteroid therapy and symptomatic treatment failed to save her life. CONCLUSION Jaundice rarely presents as the first symptom in HLH patients. The HLH in this case was triggered by septic shock with jaundice as the first symptom. Clinicians should try hard to reduce missed diagnoses and misdiagnoses.
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Affiliation(s)
- Dan-Dan Wang
- Department of Emergency Medicine, Beijing Tsinghua Changgung Hospital, Medical Center, Tsinghua University, Beijing 102218, China
| | - Sheng Wu
- Department of Emergency Medicine, Beijing Tsinghua Changgung Hospital, Medical Center, Tsinghua University, Beijing 102218, China
| | - Bing-Bing Kong
- Department of Emergency Medicine, Beijing Tsinghua Changgung Hospital, Medical Center, Tsinghua University, Beijing 102218, China
| | - Lin-Lin Song
- Department of Emergency Medicine, Beijing Tsinghua Changgung Hospital, Medical Center, Tsinghua University, Beijing 102218, China
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Yang H, Cao Y, Liu J, Liu Y, Yang B, Ling Y, Fu Y, Liu Y, Gu W. Clinical characteristics and prognostic factors of 75 cases with acquired hemophagocytic syndrome. Hematology 2023; 28:2247887. [PMID: 37594301 DOI: 10.1080/16078454.2023.2247887] [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: 03/14/2023] [Accepted: 08/10/2023] [Indexed: 08/19/2023] Open
Abstract
OBJECTIVES The study's aim was to enhance awareness of acquired hemophagocytic syndrome (HPS) in adults by analyzing clinical features, and investigating the relationship between factors such as the Systemic Inflammation Index (SII) and the prognosis of HPS. METHODS Clinical characteristics, survival data, and prognostic factors of 75 HPS patients admitted to our hospital between January 2012 and October 2022 were analyzed. RESULTS In the high SII group, red blood cells, white blood cells, platelets, neutrophils, fibrinogen, and CD4 + cell activity were higher, and survival time was longer compared to the low SII group. Conversely, total bilirubin and direct bilirubin were higher in the low SII group (P ≤ 0.05). After applying the log-Rank or Breslow tests, HPS patients in the high SII group and those following the HLH-2004 protocol experienced a notably longer survival time. (χ2 = 4.291, P < 0.05; χ2 = 5.210, P < 0.05). Patients with poor prognosis showed higher age of onset, elevated levels of total, direct, and indirect bilirubin, and a greater rate of EBV infection, but reduced levels of red blood cells, platelets, hemoglobin, albumin, globulin, and HLH-2004 protocol usage rate(P < 0.05). Multivariate analysis and ROC curve results indicate that special attention is needed for patients with platelets < 42.5 × 109/L, albumin < 27.7 g/L, fibrinogen < 1.085 g/L, those not following the HLH-2004 protocol, and those who are EBV (+). DISCUSSION AND CONCLUSION Early diagnosis and following the HLH-2004 protocol are essential for patients with HPS clinical manifestations to improve prognosis. Additional research is necessary to examine the link between SII and HPS patients' prognosis.
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Affiliation(s)
- Haonan Yang
- Department of Hematology, The Third Affiliated Hospital of Soochow University, Changzhou, People's Republic of China
| | - Yang Cao
- Department of Hematology, The Third Affiliated Hospital of Soochow University, Changzhou, People's Republic of China
| | - Juan Liu
- Department of Hematology, The Third Affiliated Hospital of Soochow University, Changzhou, People's Republic of China
| | - Yue Liu
- Department of Hematology, The Third Affiliated Hospital of Soochow University, Changzhou, People's Republic of China
| | - Bin Yang
- Department of Hematology, The Third Affiliated Hospital of Soochow University, Changzhou, People's Republic of China
| | - Yun Ling
- Department of Hematology, The Third Affiliated Hospital of Soochow University, Changzhou, People's Republic of China
| | - Yuanjing Fu
- Department of Hematology, The Third Affiliated Hospital of Soochow University, Changzhou, People's Republic of China
| | - Yan Liu
- Department of Hematology, The Third Affiliated Hospital of Soochow University, Changzhou, People's Republic of China
| | - Weiying Gu
- Department of Hematology, The Third Affiliated Hospital of Soochow University, Changzhou, People's Republic of China
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Pencheva M, Bozhkova M, Kalchev Y, Petrov S, Baldzhieva A, Kalfova T, Dichev V, Keskinova D, Genova S, Atanasova M, Murdzheva M. The Serum ACE2, CTSL, AngII, and TNFα Levels after COVID-19 and mRNA Vaccines: The Molecular Basis. Biomedicines 2023; 11:3160. [PMID: 38137381 PMCID: PMC10741205 DOI: 10.3390/biomedicines11123160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 11/16/2023] [Accepted: 11/23/2023] [Indexed: 12/24/2023] Open
Abstract
BACKGROUND The SARS-CoV-2 virus as well as the COVID-19 mRNA vaccines cause an increased production of proinflammatory cytokines. AIM We investigated the relationship between ACE2, CTSL, AngII, TNFα and the serum levels of IL-6, IL-10, IL-33, IL-28A, CD40L, total IgM, IgG, IgA and absolute count of T- and B-lymphocytes in COVID-19 patients, vaccinees and healthy individuals. METHODS We measured the serum levels ACE2, AngII, CTSL, TNFα and humoral biomarkers (CD40L, IL-28A, IL-10, IL-33) by the ELISA method. Immunophenotyping of lymphocyte subpopulations was performed by flow cytometry. Total serum immunoglobulins were analyzed by the turbidimetry method. RESULTS The results established an increase in the total serum levels for ACE2, CTSL, AngII and TNFα by severely ill patients and vaccinated persons. The correlation analysis described a positive relationship between ACE2 and proinflammatory cytokines IL-33 (r = 0.539) and CD40L (r = 0.520), a positive relationship between AngII and CD40L (r = 0.504), as well as between AngII and IL-33 (r = 0.416), and a positive relationship between CTSL, total IgA (r = 0.437) and IL-28A (r = 0.592). Correlation analysis confirmed only two of the positive relationships between TNFα and IL-28A (r = 0.491) and CD40L (r = 0.458). CONCLUSIONS In summary, the findings presented in this study unveil a complex web of interactions within the immune system in response to SARS-CoV-2 infection and vaccination.
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Affiliation(s)
- Mina Pencheva
- Department of Medical Physics and Biophysics, Faculty of Pharmacy, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria
| | - Martina Bozhkova
- Department of Medical Microbiology and Immunology, Faculty of Pharmacy, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria; (M.B.); (Y.K.); (S.P.); (A.B.); (T.K.); (M.A.); (M.M.)
- Research Institute, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria;
| | - Yordan Kalchev
- Department of Medical Microbiology and Immunology, Faculty of Pharmacy, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria; (M.B.); (Y.K.); (S.P.); (A.B.); (T.K.); (M.A.); (M.M.)
- Research Institute, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria;
| | - Steliyan Petrov
- Department of Medical Microbiology and Immunology, Faculty of Pharmacy, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria; (M.B.); (Y.K.); (S.P.); (A.B.); (T.K.); (M.A.); (M.M.)
- Research Institute, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria;
| | - Alexandra Baldzhieva
- Department of Medical Microbiology and Immunology, Faculty of Pharmacy, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria; (M.B.); (Y.K.); (S.P.); (A.B.); (T.K.); (M.A.); (M.M.)
- Research Institute, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria;
| | - Teodora Kalfova
- Department of Medical Microbiology and Immunology, Faculty of Pharmacy, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria; (M.B.); (Y.K.); (S.P.); (A.B.); (T.K.); (M.A.); (M.M.)
- Research Institute, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria;
| | - Valentin Dichev
- Research Institute, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria;
- Department of Medical Biology, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria
| | - Donka Keskinova
- Department of Applied and Institutional Sociology, Faculty of Philosophy and History, University of Plovdiv “Paisii Hilendarski”, 4000 Plovdiv, Bulgaria;
| | - Silvia Genova
- Department of General and Clinical Pathology, Medical Faculty, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria;
| | - Mariya Atanasova
- Department of Medical Microbiology and Immunology, Faculty of Pharmacy, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria; (M.B.); (Y.K.); (S.P.); (A.B.); (T.K.); (M.A.); (M.M.)
- Laboratory of Virology, UMBAL “St. George” EAD, 4002 Plovdiv, Bulgaria
| | - Mariana Murdzheva
- Department of Medical Microbiology and Immunology, Faculty of Pharmacy, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria; (M.B.); (Y.K.); (S.P.); (A.B.); (T.K.); (M.A.); (M.M.)
- Research Institute, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria;
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Huang Z, Brodeur KE, Chen L, Du, Wobma H, Hsu EE, Liu M, Chang JC, Chang MH, Chou J, Day-Lewis M, Dedeoglu F, Halyabar O, Lederer JA, Li T, Lo MS, Lu M, Meidan E, Newburger JW, Randolph AG, Son MB, Sundel RP, Taylor ML, Wu H, Zhou Q, Canna SW, Wei K, Henderson LA, Nigrovic PA, Lee PY. Type I interferon signature and cycling lymphocytes in macrophage activation syndrome. J Clin Invest 2023; 133:e165616. [PMID: 37751296 PMCID: PMC10645381 DOI: 10.1172/jci165616] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 09/19/2023] [Indexed: 09/27/2023] Open
Abstract
BACKGROUNDMacrophage activation syndrome (MAS) is a life-threatening complication of Still's disease (SD) characterized by overt immune cell activation and cytokine storm. We aimed to further understand the immunologic landscape of SD and MAS.METHODWe profiled PBMCs from people in a healthy control group and patients with SD with or without MAS using bulk RNA-Seq and single-cell RNA-Seq (scRNA-Seq). We validated and expanded the findings by mass cytometry, flow cytometry, and in vitro studies.RESULTSBulk RNA-Seq of PBMCs from patients with SD-associated MAS revealed strong expression of genes associated with type I interferon (IFN-I) signaling and cell proliferation, in addition to the expected IFN-γ signal, compared with people in the healthy control group and patients with SD without MAS. scRNA-Seq analysis of more than 65,000 total PBMCs confirmed IFN-I and IFN-γ signatures and localized the cell proliferation signature to cycling CD38+HLA-DR+ cells within CD4+ T cell, CD8+ T cell, and NK cell populations. CD38+HLA-DR+ lymphocytes exhibited prominent IFN-γ production, glycolysis, and mTOR signaling. Cell-cell interaction modeling suggested a network linking CD38+HLA-DR+ lymphocytes with monocytes through IFN-γ signaling. Notably, the expansion of CD38+HLA-DR+ lymphocytes in MAS was greater than in other systemic inflammatory conditions in children. In vitro stimulation of PBMCs demonstrated that IFN-I and IL-15 - both elevated in MAS patients - synergistically augmented the generation of CD38+HLA-DR+ lymphocytes, while Janus kinase inhibition mitigated this response.CONCLUSIONMAS associated with SD is characterized by overproduction of IFN-I, which may act in synergy with IL-15 to generate CD38+HLA-DR+ cycling lymphocytes that produce IFN-γ.
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Affiliation(s)
- Zhengping Huang
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Southern Medical University, Guangzhou, China
| | - Kailey E. Brodeur
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Liang Chen
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Du
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Department of Rheumatology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Holly Wobma
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Evan E. Hsu
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Meng Liu
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Southern Medical University, Guangzhou, China
| | - Joyce C. Chang
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Margaret H. Chang
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Janet Chou
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Megan Day-Lewis
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Fatma Dedeoglu
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Olha Halyabar
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - James A. Lederer
- Center for Data Sciences, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Tianwang Li
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Southern Medical University, Guangzhou, China
| | - Mindy S. Lo
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Meiping Lu
- Department of Rheumatology, Immunology and Allergy, Zhejiang University School of Medicine, Hangzhou, China
| | - Esra Meidan
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | | | - Adrienne G. Randolph
- Department of Anesthesiology, Critical Care, and Pain Medicine, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Mary Beth Son
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Robert P. Sundel
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Maria L. Taylor
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Huaxiang Wu
- Department of Rheumatology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Qing Zhou
- The MOE Key Laboratory of Biosystems Homeostasis and Protection, Life Sciences Institute, Zhejiang University, Hangzhou, China
| | - Scott W. Canna
- Division of Rheumatology, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Kevin Wei
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Lauren A. Henderson
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Peter A. Nigrovic
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Pui Y. Lee
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
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Baba M, Fenech M, Saeed MU, McCormick A, Jawad M. A rare case of orbital inflammation complicated by hemophagocytic lymphohistiocytosis. Orbit 2023:1-4. [PMID: 37942808 DOI: 10.1080/01676830.2023.2274868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 10/18/2023] [Indexed: 11/10/2023]
Abstract
We report a rare case of orbital inflammation complicating hemophagocytic lymphohistiocytosis (HLH) patient. HLH is a rare, life-threatening disorder characterized by uncontrolled activation of cytotoxic T lymphocytes, natural killer cells, and macrophages. A 37-year-old man known to have HLH, presented with a left periorbital swelling that was unsuccessfully treated as an orbital cellulitis, with intravenous antibiotics. A computed tomography (CT) scan of the orbits revealed inflammatory changes with no orbital collection or paranasal sinus disease. An orbital biopsy demonstrated lymphoplasmacytic infiltrations admixed with histiocytes. The patient deteriorated and was admitted to the intensive care unit. Ensuing blood results supported a diagnosis of HLH, and the patient responded well to subsequent immunosuppression. This case report highlights the importance of re-considering the diagnosis of orbital cellulitis in treatment resistant cases, particularly in the absence of sinus disease. To our knowledge, this is the third case of orbital inflammation associated with HLH patients.
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Affiliation(s)
- Mohamad Baba
- Department of Ophthalmology, Aintree University Hospital NHS Foundation Trust, Aintree, UK
| | - Matthew Fenech
- Department of Ophthalmology, Aintree University Hospital NHS Foundation Trust, Aintree, UK
| | - Muhammad Usman Saeed
- Department of Ophthalmology, St Pauls Eye Unit, Royal Liverpool University Hospital, Liverpool, UK
| | - Austin McCormick
- Department of Ophthalmology, Aintree University Hospital NHS Foundation Trust, Aintree, UK
| | - Muhammed Jawad
- Department of Ophthalmology, Aintree University Hospital NHS Foundation Trust, Aintree, UK
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Hiyama T, Kurasawa K, Hasegawa A, Miyao T, Tanaka A, Arai S, Arima M, Maezawa R. Differences and similarities in cytokine profiles of macrophage activation syndrome in systemic lupus erythematosus and adult-onset Still's disease. Clin Exp Med 2023; 23:3407-3416. [PMID: 36611087 DOI: 10.1007/s10238-023-00988-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 01/03/2023] [Indexed: 01/08/2023]
Abstract
To clarify the differences and similarities in the cytokine profiles of macrophage activating syndrome (MAS) between systemic lupus erythematosus (SLE) and adult-onset Still's disease (AOSD). The study participants included 9 patients with MAS-SLE, 22 with non-MAS-SLE, 9 with MAS-AOSD, and 13 with non-MAS-AOSD. Serum cytokine levels were measured using a multiplex bead assay. Cytokine levels were compared between patients with SLE and AOSD with/without MAS. Moreover, cytokine patterns were examined using principal component analysis (PCA) and cluster analysis. IL-6, IL-8, IL-18, and TNF-α levels were elevated in patients with SLE and AOSD. IFN-α levels were elevated in SLE, whereas IL-1β and IL-18 levels were elevated in AOSD. In SLE, IFN-α and IL-10 levels were higher in MAS than in non-MAS and controls. PCA revealed distinctive cytokine patterns in SLE and AOSD, SLE with IFN-α and IP-10, AOSD with IL-1β, IL-6, and IL-18, and enhanced cytokine production in MAS. PCA and cluster analysis showed no differences in cytokine patterns between the MAS and non-MAS groups. However, serum ferritin levels were correlated with IFN-α levels in SLE. Cytokine profiles differed between SLE and AOSD but not between MAS and non-MAS. MAS is induced by the enhancement of underlying cytokine abnormalities rather than by MAS-specific cytokine profiles. Type I IFN may be involved in MAS development in patients with SLE.
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Affiliation(s)
- Tomoka Hiyama
- Department of Rheumatology, Dokkyo Medical University, Kita-Kobayashi 880, Mibu, Tochigi, 321-0293, Japan
| | - Kazuhiro Kurasawa
- Department of Rheumatology, Dokkyo Medical University, Kita-Kobayashi 880, Mibu, Tochigi, 321-0293, Japan.
| | - Anna Hasegawa
- Department of Rheumatology, Dokkyo Medical University, Kita-Kobayashi 880, Mibu, Tochigi, 321-0293, Japan
| | - Tomoyuki Miyao
- Department of Rheumatology, Dokkyo Medical University, Kita-Kobayashi 880, Mibu, Tochigi, 321-0293, Japan
| | - Ayae Tanaka
- Department of Rheumatology, Dokkyo Medical University, Kita-Kobayashi 880, Mibu, Tochigi, 321-0293, Japan
| | - Satoko Arai
- Department of Rheumatology, Dokkyo Medical University, Kita-Kobayashi 880, Mibu, Tochigi, 321-0293, Japan
| | - Masafumi Arima
- Department of Rheumatology, Dokkyo Medical University, Kita-Kobayashi 880, Mibu, Tochigi, 321-0293, Japan
| | - Reika Maezawa
- Department of Rheumatology, Dokkyo Medical University, Kita-Kobayashi 880, Mibu, Tochigi, 321-0293, Japan
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Bai H, Wang Y, Shen L, Luo Y, Tang G, Wang F, Sun Z, Hou H. The signature and predictive value of immune parameters in patients with secondary hemophagocytic lymphohistiocytosis. Immunobiology 2023; 228:152759. [PMID: 37939638 DOI: 10.1016/j.imbio.2023.152759] [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: 06/03/2023] [Revised: 10/22/2023] [Accepted: 10/30/2023] [Indexed: 11/10/2023]
Abstract
BACKGROUND Secondary hemophagocytic lymphohistiocytosis (sHLH) is a rare but fatal clinical syndrome, characterized by severe immune dysfunction and overwhelming inflammatory response. However, the host immune signature and also its role in predicting the clinical outcome are not fully described. OBJECTIVE The present study aims to investigate the host immune status of sHLH patients in the early stage of the disease, including lymphocyte subsets, phenotypes and cytokines, and also to explore its clinical value in prognosis. METHODS Sixty-four patients with sHLH admitted to a tertiary hospital in central China between 2018 and 2022 were enrolled, of which 21 were deceased. The subsets and phenotypes of lymphocytes, and the levels of cytokines in serum were analyzed. RESULTS In patients with sHLH, the percentages of total T cells, CD8+ T cells, HLA-DR+ T cells, HLA-DR+CD8+ T cells, CD45RO+CD4+ T cells, and the levels of IL-1β, IL-2R, IL-6, IL-8, IL-10 and TNF-α were significantly increased, while the percentages of CD4+ T cells, NK cells, CD45RA+CD4+ T cells, CD45RA+ regulatory T (Treg) cells, the counts of total T cells, total B cells, CD4+ T cells, CD8+ T cells, NK cells, and the ratio of CD4+ T/CD8+ T cells were significantly decreased, compared with healthy controls (HC). In addition, dysregulation of host immune response and high inflammatory status were more obvious in deceased patients than that of survivors. Kaplan-Meier survival analysis and multivariate logistic regression analysis demonstrated that lower levels of CD4+ T cells count and CD28+CD4+ T cells percentage, but higher levels of NK cells percentage and IL-1β were poor prognostic indicators of sHLH. CONCLUSION The evaluation of immunological markers has critical value for selecting prognostic markers and potential treatment target among adults with sHLH.
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Affiliation(s)
- Huan Bai
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yun Wang
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ling Shen
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ying Luo
- Department of Immunology, UT Southwestern Medical Center, Dallas, TX, USA
| | - Guoxing Tang
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Feng Wang
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ziyong Sun
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Hongyan Hou
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Xin X, Wang N, Zhang Y. Hemophagocytic lymphohistiocytosis with a hemizygous PRF1 c.674G>A mutation. Am J Med Sci 2023; 366:387-394. [PMID: 37467895 DOI: 10.1016/j.amjms.2023.07.005] [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: 03/20/2023] [Revised: 06/23/2023] [Accepted: 07/14/2023] [Indexed: 07/21/2023]
Abstract
Hemophagocytic lymphohistiocytosis(HLH) is a rare highly-fatal disease presenting with fever, hepatosplenomegaly, and pancytopenia and has a poor prognosis. Homozygous or semi-zygous or complex heterozygous variants can cause familial HLH and heterozygous carriers are frequently seen in secondary HLH. A 42-year-old male patient was admitted to the hospital for persistent fever, fatigue, and splenomegaly. Investigations revealed hypertriglyceridemia, hyperlactatemia dehydrogenaseemia, hyperferritinemia, and elevated levels of soluble cluster of differentiation 25. We found a heterozygous mutation of PRF1: c.674G>A (p.R225Q) through next-generation sequencing technology of hemophagocytic-lymphohistiocytosis-related genes. After a brief remission with dexamethasone and etoposide-based therapy, the disease relapsed quickly, and an allogeneic hematopoietic stem cell transplant was performed to achieve complete remission. To date, the patient's condition was in complete remission. Our study detected a rare missense mutation in the PRF1 gene in a patient with HLH disease and the c.674G>A mutation may be rated as a possible pathogenic variant.
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Affiliation(s)
- Xiangke Xin
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Na Wang
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yicheng Zhang
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
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Zu C, Wu S, Zhang M, Wei G, Xu H, Cui J, Chang AH, Huang H, Hu Y. A distinct cytokine network distinguishes chimeric antigen receptor T cell (CAR-T)-associated hemophagocytic lymphohistiocytosis-like toxicity (carHLH) from severe cytokine release syndrome following CAR-T therapy. Cytotherapy 2023; 25:1167-1175. [PMID: 37480884 DOI: 10.1016/j.jcyt.2023.06.008] [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: 04/15/2023] [Revised: 06/24/2023] [Accepted: 06/27/2023] [Indexed: 07/24/2023]
Abstract
BACKGROUND AIMS With the increasing application of chimeric antigen receptor (CAR)-T cell therapy in various malignancies, an extra toxicity profile has been revealed, including a severe complication resembling hemophagocytic lymphohistiocytosis (HLH), which is usually disguised by severe cytokine release syndrome (CRS). METHODS In a clinical trial in whom 99 patients received B-cell maturation antigen CAR-T cells, we identified 20 (20.20%) cases of CAR-T cell-associated HLH (carHLH), most of whom possessed a background of severe CRS (grade ≥3). The overlapping features of carHLH and severe CRS attracted us to further explore the differences between them. RESULTS We showed that carHLH can be distinguished by extreme elevation of interferon-γ, granzyme B, interleukin-1RA and interleukin-10, which can be informative in developing prevention and management strategies of this toxicity. Moreover, we developed a predictive model of carHLH with a mean area under the curve of 0.81 ± 0.07, incorporating serum lactate dehydrogenase at day 6 post-CRS and serum fibrinogen at day 3 post-CRS. CONCLUSIONS The incidence of carHLH in CAR-T recipients might be relatively higher than we previously thought. relatively higher than we previously. A cytokine network distinguished from CRS is responsible for carHLH. And corresponding cytokine-directed therapies, especially targeting IL-10, are worth trying.
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Affiliation(s)
- Cheng Zu
- Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China; Institute of Hematology, Zhejiang University, Zhejiang, China; Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Shenghao Wu
- Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Department of Hematology, The Dingli Clinical College of Wenzhou Medical University (The Second Affiliated Hospital of Shanghai University, Wenzhou Central Hospital), Wenzhou, China
| | - Mingming Zhang
- Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China; Institute of Hematology, Zhejiang University, Zhejiang, China; Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Guoqing Wei
- Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China; Institute of Hematology, Zhejiang University, Zhejiang, China; Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Huijun Xu
- Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China; Institute of Hematology, Zhejiang University, Zhejiang, China; Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Jiazhen Cui
- Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China; Institute of Hematology, Zhejiang University, Zhejiang, China; Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Alex H Chang
- Shanghai YaKe Biotechnology Ltd., Shanghai, China; Clinical Translational Research Center, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - He Huang
- Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China; Institute of Hematology, Zhejiang University, Zhejiang, China; Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China.
| | - Yongxian Hu
- Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China; Institute of Hematology, Zhejiang University, Zhejiang, China; Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China.
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Ziegler SG, Kim J, Ehmsen JT, Vernon HJ. Inborn errors of amino acid metabolism - from underlying pathophysiology to therapeutic advances. Dis Model Mech 2023; 16:dmm050233. [PMID: 37994477 PMCID: PMC10690057 DOI: 10.1242/dmm.050233] [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: 04/06/2023] [Accepted: 10/19/2023] [Indexed: 11/24/2023] Open
Abstract
Amino acids are organic molecules that serve as basic substrates for protein synthesis and have additional key roles in a diverse array of cellular functions, including cell signaling, gene expression, energy production and molecular biosynthesis. Genetic defects in the synthesis, catabolism or transport of amino acids underlie a diverse class of diseases known as inborn errors of amino acid metabolism. Individually, these disorders are rare, but collectively, they represent an important group of potentially treatable disorders. In this Clinical Puzzle, we discuss the pathophysiology, clinical features and management of three disorders that showcase the diverse clinical presentations of disorders of amino acid metabolism: phenylketonuria, lysinuric protein intolerance and homocystinuria due to cystathionine β-synthase (CBS) deficiency. Understanding the biochemical perturbations caused by defects in amino acid metabolism will contribute to ongoing development of diagnostic and management strategies aimed at improving the morbidity and mortality associated with this diverse group of disorders.
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Affiliation(s)
- Shira G. Ziegler
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Jiyoung Kim
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Jeffrey T. Ehmsen
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Department of Internal Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Hilary J. Vernon
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
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36
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Xu G, Islam ST, Makarie-Rofail L, Barnsley L, Limaye S. Successful use of subcutaneous anakinra in hemophagocytic lymphohistiocytosis precipitated by candidiasis in a patient with systemic lupus erythematosus: A case report and description of a novel therapeutic regimen. Int J Rheum Dis 2023; 26:2284-2287. [PMID: 37150523 DOI: 10.1111/1756-185x.14722] [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: 04/01/2023] [Revised: 04/17/2023] [Accepted: 04/22/2023] [Indexed: 05/09/2023]
Abstract
Hemophagocytic lymphohistiocytosis (HLH) is a rare and often fatal condition characterized by inappropriate immune system activation leading to a "cytokine storm", and ultimately resulting in end-organ damage. Causes include primary defects in genes involved in immune-mediated cytolytic pathways, or secondary triggers such as infection or malignancy. We describe a case of HLH precipitated by fungal infection which occurred as a consequence of immunosuppression for management of systemic lupus erythematosus (SLE) and necrotizing myopathy. The patient presented with immune-mediated disease of the muscles and lung which was treated with high-dose corticosteroids and aggressive immunosuppression. HLH emerged in the context of confirmed candidiasis and features of severe sepsis. The patient responded rapidly to antifungal therapy and high-dose anakinra, which was administered subcutaneously and progressively weaned over 4 weeks. She completed HLH treatment as an outpatient and remains well at 12 months with controlled SLE and no recurrence of HLH.
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Affiliation(s)
- Gary Xu
- Concord Hospital, Sydney, Australia
| | | | | | | | - Sandhya Limaye
- Concord Hospital, Sydney, Australia
- University of Sydney, Sydney, Australia
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Xing H, Ma L, Wang L, Zhang Q, Jin Z. A case of hemophagocytic syndrome secondary to B-cell lymphoma. Clin Case Rep 2023; 11:e8044. [PMID: 37867535 PMCID: PMC10589397 DOI: 10.1002/ccr3.8044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 09/19/2023] [Accepted: 09/29/2023] [Indexed: 10/24/2023] Open
Abstract
In this report we highlight a case of HPS secondary to B-cell lymphoma, aiming to facilitate the early recognition and treatment of HPS in its classic presentation by clinicians.
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Affiliation(s)
- Hao Xing
- Department of Hepatopancreatobiliary MedicineThe Second Hospital of Jilin UniversityChangchunChina
| | - Luyao Ma
- Department of Hepatopancreatobiliary MedicineThe Second Hospital of Jilin UniversityChangchunChina
| | - Longfei Wang
- Department of Hepatopancreatobiliary MedicineThe Second Hospital of Jilin UniversityChangchunChina
| | - Qian Zhang
- Department of Hepatopancreatobiliary MedicineThe Second Hospital of Jilin UniversityChangchunChina
| | - Zhenjing Jin
- Department of Hepatopancreatobiliary MedicineThe Second Hospital of Jilin UniversityChangchunChina
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38
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Qiu Q, Li D, Chen Y, Song Y, Lou S, Zhou K, Deng J. Clinical features and prognostic risk prediction of adult hemophagocytic lymphohistiocytosis: a 9-year retrospective study. Ann Hematol 2023; 102:2671-2682. [PMID: 37464139 DOI: 10.1007/s00277-023-05368-2] [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: 02/07/2023] [Accepted: 07/11/2023] [Indexed: 07/20/2023]
Abstract
Hemophagocytic lymphohistiocytosis (HLH) has a low incidence and high mortality. In order to improve our understanding of the clinical features and prognostic risk factors of adult HLH, we analyzed the clinical characteristics and prognostic risk factors of adult HLH and developed a prognostic model to predict the overall survival (OS) of adult HLH. The clinical characteristics and survival statistics of adult patients with HLH identified at The Second Affiliated Hospital of Chongqing Medical University between February 2012 and October 2020 were retrospectively analyzed to constitute the primary cohort, while patients between 25 October 2020 and 20 March 2023 were collected at the same institution as a validation cohort for the prospective study. A total of 142 patients met the inclusion criteria, with 72 and 70 in the primary cohort and validation cohort respectively. In the primary cohort, the median OS was 102 days, with 37.5%, 34.5%, and 28.7% 1-, 2-, and 3-year OS, respectively. Univariate analysis showed that age, interleukin-10 (IL-10), interleukin-2 receptor (IL-2R), prothrombin time (PT), and indirect bilirubin (IBiL) were correlated with prognosis. Multivariate analysis showed that IL-10 and PT were independent factors affecting OS in adult patients with HLH. A prognostic model consisting of IL-2R, PT, and IL-10 and a corresponding prognostic nomogram were developed adopting the principle of minimum value of Akaike information criterion(AIC). The model has a high prediction accuracy letter (C-index = 0.708). The AUC values of 1-year, 2-year, and 3-year were 0.826, 0.865, and 0.882, correspondingly. In the validation cohort, all patients were divided into high-risk and low-risk groups, and the risk of death was significantly higher in the high-risk group than in the low-risk group (p < 0.01). The calibration curve for the model shows that the Nomogram constructed in this study is very reliable to predict the OS of HLH patients. IL-10 and PT have significant prognostic value in adult HLH. The prognostic model and the nomogram built in this study can forecast the OS of adult HLH patients.
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Affiliation(s)
- Qunxiang Qiu
- Department of Hematology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Dan Li
- Department of Hematology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Ying Chen
- Department of Hematology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Ying Song
- Department of Hematology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Shifeng Lou
- Department of Hematology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Kang Zhou
- Department of Hematology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China.
| | - Jianchuan Deng
- Department of Hematology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China.
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Liu Q, Chen L, Li S, Shao M, Zhou L, Chen Y, Hu S. Stevens-Johnson Syndrome complicated by Epstein-Barr virus-associated hemophagocytic lymphohistiocytosis in a child. Minerva Med 2023; 114:747-749. [PMID: 37021473 DOI: 10.23736/s0026-4806.23.08608-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
Affiliation(s)
- Qi Liu
- Department of Hematology, Children's Hospital of Soochow University, Suzhou, China
- Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Liya Chen
- Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Suhua Li
- Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Meijuan Shao
- Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Lingling Zhou
- Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yiping Chen
- Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Shaoyan Hu
- Department of Hematology, Children's Hospital of Soochow University, Suzhou, China -
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Shekarchian F, Abadi MKA, Shariati MM. Clinical approach to a child with hemophagocytic lymphohistiocytosis and bilateral optic nerve head infiltration: A case report and brief literature review. Clin Case Rep 2023; 11:e7999. [PMID: 37780921 PMCID: PMC10539677 DOI: 10.1002/ccr3.7999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/27/2023] [Accepted: 09/18/2023] [Indexed: 10/03/2023] Open
Abstract
Key Clinical Message Infiltrative optic neuropathy in hemophagocytic lymphohistiocytosis is rare but could potentially lead to visual loss. Cytomegalovirus (CMV) optic neuritis, drug toxicity, and CNS involvement with increased intracranial pressure (ICP) are differential diagnoses that have to be considered. Abstract In this report, we introduced a known case of hemophagocytic lymphohistiocytosis (HLH) with progressive visual loss due to bilateral optic nerve head (ONH) involvement. A 9-year-old boy with a history of HLH from 6 months ago was referred to the ophthalmic emergency department with a complaint of painless progressive blurred vision in his right eye. The fundus examination found an optic disc swelling and peripapillary hemorrhage in the right eye. The left fundus examination showed a mild ONH blurred margin. Systemic evaluations including brain and orbital MRI with gadolinium enhancement and CSF analysis showed optic nerve and brain involvement with tumoral cells. Despite systemic chemotherapy with etoposide, the disease had a progressive course so in the last follow-up visit, fundus examination revealed disc swelling, retinal edema, and epiretinal hemorrhage in both eyes and visual acuity deteriorated to no light perception and counting fingers in the right and left eye, respectively. ONH involvement in HLH is rare but could be sight-threatening. Differential diagnoses that should be investigated include neoplastic infiltrative optic neuropathy, cytomegalovirus (CMV) optic neuritis, drug toxicity, and CNS involvement with increased intracranial pressure (ICP).
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Affiliation(s)
- Farid Shekarchian
- Eye Research CenterMashhad University of Medical SciencesMashhadIran
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41
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Baldovino Chiquillo L, Rico DL, Leal DD, Romero M. Haemophagocytic syndrome caused by disseminated nontuberculous mycobacterial infection. BMJ Case Rep 2023; 16:e255226. [PMID: 37734862 PMCID: PMC10514618 DOI: 10.1136/bcr-2023-255226] [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] [Indexed: 09/23/2023] Open
Abstract
A female patient in her 30s presented to the emergency department with a 10-day history of fever, weakness and diaphoresis. Subsequent investigations revealed a diagnosis of haemophagocytic syndrome, secondary to disseminated non-tuberculous mycobacterial infection affecting the bone marrow, lungs, lymph nodes and skin. The bone marrow culture confirmed the presence of Mycobacterium avium infection. The patient's haemophagocytic syndrome was managed using the HLH-2004 chemoimmunotherapy, and M. avium infection was treated with a combination of clarithromycin, ethambutol, rifampicin, ciprofloxacin and amikacin. Throughout her hospitalisation, the patient faced several serious complications arising from both the medications and the prolonged hospital stay (lasting 12 months). However, these complications were promptly identified and effectively managed through a multidisciplinary and comprehensive approach. This approach was crucial in achieving a favourable patient outcome and successful recovery.
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Affiliation(s)
| | - Daniela Lucía Rico
- Universidad El Bosque, Bogotá, Colombia
- Department of Internal Medicine, Fundacion Santa Fe de Bogotá, Bogotá, Colombia
| | - Drixie Dalyla Leal
- Department of Internal Medicine, Fundacion Santa Fe de Bogotá, Bogotá, Colombia
| | - Martha Romero
- Department of Pathology, Fundacion Santa Fe de Bogotá, Bogotá, Colombia
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Boonyabaramee P, Polprasert C, Kobbuaklee S, Settapiboon R, Pongudom S, Faknuam S, Kongkiatkamon S, Wudhikarn K, Rojnuckarin P. Good prognosis of adult hemophagocytic lymphohistiocytosis associated with the germline HAVCR2 mutation. Exp Hematol 2023; 125-126:20-24.e4. [PMID: 37479109 DOI: 10.1016/j.exphem.2023.07.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/12/2023] [Accepted: 07/13/2023] [Indexed: 07/23/2023]
Abstract
Hemophagocytic lymphohistiocytosis (HLH) in adults may be idiopathic or secondary to various conditions. Recent studies identified germline hepatitis A virus-cellular receptor 2 (HAVCR2) mutations in subcutaneous panniculitis-like T-cell lymphoma (SPTCL) with HLH. The roles of this mutation in HLH, especially in idiopathic group, have never been explored. Of the 65 HLH cases, we detected germline HAVCR2Y82C mutations in nine (13.8%) cases (five SPTCL and four idiopathic HLH). Other causes of HLH were hematologic malignancies excluding SPTCL (32.3%), idiopathic HLH without HAVCR2 mutation (29.2%), infections (15.3%), and autoimmune diseases (9.2%). Germline HAVCR2 mutation was significantly associated with less anemia and better survival. This defines a distinct subgroup of HLH.
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Affiliation(s)
- Pitchayut Boonyabaramee
- Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | - Chantana Polprasert
- Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand; Center of Excellence in Translational Hematology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
| | - Sirorat Kobbuaklee
- Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand; Center of Excellence in Translational Hematology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Rung Settapiboon
- Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand; Center of Excellence in Translational Hematology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Saranya Pongudom
- Department of Medicine, Udon Thani Medical Education Center, Udon Thani Hospital, Udon Thani, Thailand
| | - Saruta Faknuam
- Department of Medicine, Nakhon Pathom Hospital, Nakhon Pathom, Thailand
| | - Sunisa Kongkiatkamon
- Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand; Center of Excellence in Translational Hematology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Kitsada Wudhikarn
- Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand; Center of Excellence in Translational Hematology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Ponlapat Rojnuckarin
- Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand; Center of Excellence in Translational Hematology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
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Rusiñol L, Baselga E, Garcia-Garcia A, Armstrong J, Prat C, Vicente A, Ivars M. Silvery hair and neurologic impairment in a 21-month-old boy. J Dtsch Dermatol Ges 2023; 21:1043-1045. [PMID: 37293827 DOI: 10.1111/ddg.15109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 03/26/2023] [Indexed: 06/10/2023]
Affiliation(s)
- Lluís Rusiñol
- Department of Dermatology, Santa Creu i Sant Pau University Hospital, Autonomous University of Barcelona, Barcelona, Spain
| | - Eulàlia Baselga
- Department of Pediatric Dermatology, Barcelona Children´s hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - Ana Garcia-Garcia
- Department of Pediatrics, Unit of Clinical Immunology and Primary Immunodeficiencies, Barcelona Children´s hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - Judith Armstrong
- Department of Molecular Genetics, Barcelona Children´s hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - Carolina Prat
- Department of Pediatric Dermatology, Barcelona Children´s hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - Asunción Vicente
- Department of Pediatric Dermatology, Barcelona Children´s hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - Marta Ivars
- Department of Pediatric Dermatology, Barcelona Children´s hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
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Wang L, Suo L, Kou F, Zhang Y, Li M, Wang H, Casalino G, Peto T, Chakravarthy U, Wang Y, Wu W, Dong N. Ocular Phenotypes in Patients With Hemophagocytic Lymphohistiocytosis: A Retrospective Analysis in a Single Center Over 7 Years. Am J Ophthalmol 2023; 253:119-131. [PMID: 37178948 DOI: 10.1016/j.ajo.2023.05.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 05/03/2023] [Accepted: 05/03/2023] [Indexed: 05/15/2023]
Abstract
PURPOSE To investigate the presence and type of ocular abnormalities in patients with hemophagocytic lymphohistiocytosis (HLH). DESIGN A retrospective cross-sectional study. METHODS Observational report of ocular findings and their associations with age, sex, underlying disease, and hematologic parameters. HLH was defined according to the 2004 criteria, and the patients were enrolled from March 2013 to December 2021. Analysis began in July 2022 and ended in January 2023. The main outcome measures were ocular abnormalities associated with HLH and their potential risk factors. RESULTS Of 1525 HLH patients, 341 had ocular examinations, and 133 (133 of 341, 39.00%) had ocular abnormalities. Mean age at presentation was 30.21 ± 14.42 years. The multivariate analysis indicated that old age, autoimmune disorders, decreasing red blood cell count, decreasing platelet count, and increasing fibrinogen level were independent risk factors of ocular involvement in HLH patients. The most common presenting ocular findings were posterior segment abnormalities (66 patients, 49.62%), including retinal and vitreous hemorrhage, serous retinal detachment, cytomegalovirus retinitis, and optic disc swelling. Other HLH-associated ocular abnormalities included ocular surface infection (conjunctivitis, 34 patients, 25.56%; keratitis, 16 patients, 12.03%), subconjunctival hemorrhage (11 patients, 8.27%), chemosis (5 patients, 3.76%), anterior uveitis (11 patients, 8.27%), glucocorticoid-induced glaucoma (5 patients, 3.76%), radiation cataract (1 patient, 0.75%), dacryoadenitis (2 patients, 1.50%), dacryocystitis (1 patients, 0.75%), orbital cellulitis (2 patients, 1.50%), orbital pseudotumor (2 patients, 1.50%), and strabismus (2 patients, 1.50%). CONCLUSIONS Eye involvement is not uncommon in HLH. Better awareness among both ophthalmologists and hematologists is necessary for prompt diagnosis and institution of appropriate management strategies with potential to save sight and life.
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Affiliation(s)
- Luping Wang
- From the Department of Ophthalmology, Beijing Friendship Hospital, Capital Medical University (L.W., Y.Z., M.L., Y.W., W.W., N.D.), Beijing, China
| | - Lingge Suo
- Department of Ophthalmology, Peking University Third Hospital (L.S.), Beijing, China; Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital (L.S.), Beijing, China
| | - Fangning Kou
- Department of Ophthalmology, Beijing Anzhen Hospital, Capital Medical University (F.K.), Beijing, China
| | - Youjing Zhang
- From the Department of Ophthalmology, Beijing Friendship Hospital, Capital Medical University (L.W., Y.Z., M.L., Y.W., W.W., N.D.), Beijing, China
| | - Mingming Li
- From the Department of Ophthalmology, Beijing Friendship Hospital, Capital Medical University (L.W., Y.Z., M.L., Y.W., W.W., N.D.), Beijing, China
| | - Hao Wang
- Department of Clinical Epidemiology and Evidence-Based Medicine, Beijing Clinical Research Institute, Beijing Friendship Hospital, Capital Medical University (H.W.), Beijing, China
| | - Giuseppe Casalino
- Eye Clinic, Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, University of Milan (G.C.), Milan, Italy
| | - Tunde Peto
- Centre for Public Health, Queen's University of Belfast (T.P., U.C.), Belfast, United Kingdom
| | - Usha Chakravarthy
- Centre for Public Health, Queen's University of Belfast (T.P., U.C.), Belfast, United Kingdom
| | - Yanling Wang
- From the Department of Ophthalmology, Beijing Friendship Hospital, Capital Medical University (L.W., Y.Z., M.L., Y.W., W.W., N.D.), Beijing, China
| | - Weizhen Wu
- From the Department of Ophthalmology, Beijing Friendship Hospital, Capital Medical University (L.W., Y.Z., M.L., Y.W., W.W., N.D.), Beijing, China
| | - Ning Dong
- From the Department of Ophthalmology, Beijing Friendship Hospital, Capital Medical University (L.W., Y.Z., M.L., Y.W., W.W., N.D.), Beijing, China.
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45
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Peddi NC, Vuppalapati S, Sreenivasulu H, Muppalla SK, Reddy Pulliahgaru A. Guardians of Immunity: Advances in Primary Immunodeficiency Disorders and Management. Cureus 2023; 15:e44865. [PMID: 37809154 PMCID: PMC10560124 DOI: 10.7759/cureus.44865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/07/2023] [Indexed: 10/10/2023] Open
Abstract
Primary immunodeficiency disorders (PIDs) are a heterogeneous group of genetic conditions profoundly impacting immune function. The investigation spans various PID categories, offering insights into their distinct pathogenic mechanisms and clinical manifestations. Within the adaptive immune system, B-cell, T-cell, and combined immunodeficiencies are dissected, emphasizing their critical roles in orchestrating effective immune responses. In the realm of the innate immune system, focus is directed toward phagocytes and complement deficiencies, underscoring the pivotal roles of these components in initial defense against infections. Furthermore, the review delves into disorders of immune dysregulation, encompassing hemophagocytic lymphohistiocytosis (HLH), autoimmune lymphoproliferative syndrome (ALPS), immune dysregulation, polyendocrinopathy, enteropathy, and X-linked(IPEX), and autoimmunity polyendocrinopathy candidiasis-ectodermal dystrophy(APECED), elucidating the intricate interplay between immune tolerance and autoimmunity prevention. Diagnostic strategies for PIDs are explored, highlighting advancements in genetic and molecular techniques that enable precise identification of underlying genetic mutations and alterations in immune function. We have also outlined treatment modalities for PIDs, which often entail a multidisciplinary approach involving immunoglobulin replacement, antimicrobial prophylaxis, and, in select cases, hematopoietic stem cell transplantation. Emerging therapies, including gene therapy, hold promise for targeted interventions. In essence, this review encapsulates the complexity of PIDs, emphasizing the critical importance of early diagnosis and tailored therapeutic interventions. As research advances, a clearer understanding of these disorders emerges, fostering optimism for enhanced patient care and management in the future.
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Affiliation(s)
| | - Sravya Vuppalapati
- General Physician, People's Education Society (PES) Institute of Medical Sciences and Research, Kuppam, IND
| | - Himabindu Sreenivasulu
- General Physician, People's Education Society (PES) Institute of Medical Sciences and Research, Kuppam, IND
| | - Sudheer Kumar Muppalla
- Pediatrics, People's Education Society (PES) Institute of Medical Sciences and Research, kuppam, IND
| | - Apeksha Reddy Pulliahgaru
- Pediatrics, People's Education Society (PES) Institute of Medical Sciences and Research, Kuppam, IND
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46
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Rusiñol L, Baselga E, Garcia-Garcia A, Armstrong J, Prat C, Vicente A, Ivars M. Silbergraues Haar und neurologische Symptome bei einem 21 Monate alten Jungen. J Dtsch Dermatol Ges 2023; 21:1043-1045. [PMID: 37700401 DOI: 10.1111/ddg.15109_g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 03/26/2023] [Indexed: 09/14/2023]
Affiliation(s)
- Lluís Rusiñol
- Department of Dermatology, Santa Creu i Sant Pau University Hospital, Autonomous University of Barcelona, Barcelona, Spain
| | - Eulàlia Baselga
- Department of Pediatric Dermatology, Barcelona Children´s hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - Ana Garcia-Garcia
- Department of Pediatrics, Unit of Clinical Immunology and Primary Immunodeficiencies, Barcelona Children´s hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - Judith Armstrong
- Department of Molecular Genetics, Barcelona Children´s hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - Carolina Prat
- Department of Pediatric Dermatology, Barcelona Children´s hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - Asunción Vicente
- Department of Pediatric Dermatology, Barcelona Children´s hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - Marta Ivars
- Department of Pediatric Dermatology, Barcelona Children´s hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
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Benevenuta C, Mussinatto I, Orsi C, Timeus FS. Secondary hemophagocytic lymphohistiocytosis in children (Review). Exp Ther Med 2023; 26:423. [PMID: 37602304 PMCID: PMC10433411 DOI: 10.3892/etm.2023.12122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 06/16/2023] [Indexed: 08/22/2023] Open
Abstract
Hemophagocytic lymphohistiocytosis (HLH) is a rare, life-threatening condition characterized by hyperinflammation in an uncontrolled and ineffective immune response. Despite great improvement in diagnosis and treatment, it still represents a challenge in clinical management, with poor prognosis in the absence of an aggressive therapeutic approach. The present literature review focuses on secondary HLH at pediatric age, which represents a heterogeneous group in terms of etiology and therapeutic approach. It summarizes the most recent evidence on epidemiology, pathophysiology, diagnosis, treatment and prognosis, and provides a detailed description and comparison of the major subtypes of secondary HLH. Finally, it addresses the open questions with a focus on diagnosis and new treatment insights.
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Affiliation(s)
- Chiara Benevenuta
- Department of Pediatrics, Azienda Sanitaria Locale Torino 4, Chivasso Hospital, I-10034 Turin, Italy
| | - Ilaria Mussinatto
- Department of Pediatrics, Azienda Sanitaria Locale Torino 4, Chivasso Hospital, I-10034 Turin, Italy
| | - Cecilia Orsi
- Department of Pediatrics, Azienda Sanitaria Locale Torino 4, Chivasso Hospital, I-10034 Turin, Italy
| | - Fabio S. Timeus
- Department of Pediatrics, Azienda Sanitaria Locale Torino 4, Chivasso Hospital, I-10034 Turin, Italy
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Chen X, Wang S, Yang J, Wang X, Yang L, Zhou J. The predictive value of hematological inflammatory markers for acute kidney injury and mortality in adults with hemophagocytic Lymphohistiocytosis: A retrospective analysis of 585 patients. Int Immunopharmacol 2023; 122:110564. [PMID: 37451019 DOI: 10.1016/j.intimp.2023.110564] [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: 04/19/2023] [Revised: 06/22/2023] [Accepted: 06/22/2023] [Indexed: 07/18/2023]
Abstract
BACKGROUND Hemophagocytic lymphohistiocytosis (HLH) is a rare immunological hyperactivation-related disease with a high mortality rate. The purpose of this study was to examine the relationship between complete blood count parameters and the occurrence of acute kidney injury (AKI) and mortality in patients with HLH. METHODS We included 585 adult patients with HLH. Logistic regression models for AKI and 28-day mortality were developed. RESULTS Multivariate logistic regression models revealed that hemoglobin (HB) ≤ 7.3 g/dl (adjusted OR, 1.651; 95% CI, 1.044-2.612), hemoglobin-to-red blood cell distribution width ratio (HRR) < 0.49 (adjusted OR, 1.692), neutrophil-to-lymphocyte ratio (NLR) ≥ 3.15 (adjusted OR, 1.697), and neutrophil-to-lymphocyte-platelet ratio (NLPR) ≥ 11.0 (adjusted OR, 1.608) were independent risk factors for the development of AKI. Moreover, lower platelet levels (31 × 109/L < platelets < 84 × 109/L, adjusted OR, 2.133; platelets ≤ 31 × 109/L, adjusted OR, 3.545) and higher red blood cell distribution width-to-platelet ratio (RPR) levels (0.20 < RPR < 0.54, adjusted OR, 2.595; RPR ≥ 0.54, adjusted OR, 4.307), lymphocytes ≤ 0.34 × 109/L (adjusted OR, 1.793), NLPR ≥ 11.0 (adjusted OR, 2.898), and the aggregate index of systemic inflammation (AISI) ≤ 7 (adjusted OR,1.778) were also independent risk factors for 28-day mortality. Furthermore, patients with AKI had a worse prognosis than those without AKI (P < 0.05). CONCLUSION In patients with HLH, hematological parameters are of great value for the early identification of patients at high risk of AKI and 28-day mortality.
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Affiliation(s)
- Xuelian Chen
- Department of Nephrology, West China Hospital, Sichuan University, Chengdu, China
| | - Siwen Wang
- Department of Occupational Disease and Toxicosis/Nephrology, West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Jia Yang
- Department of Nephrology, West China Hospital, Sichuan University, Chengdu, China
| | - Xin Wang
- Department of Pediatric Nephrology, West China Second Hospital, Sichuan University, Chengdu, China
| | - Lichuan Yang
- Department of Nephrology, West China Hospital, Sichuan University, Chengdu, China
| | - Jiaojiao Zhou
- Department of Medical Ultrasound, West China Hospital, Sichuan University, Chengdu, China.
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49
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Sikora JP, Karawani J, Sobczak J. Neutrophils and the Systemic Inflammatory Response Syndrome (SIRS). Int J Mol Sci 2023; 24:13469. [PMID: 37686271 PMCID: PMC10488036 DOI: 10.3390/ijms241713469] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 08/24/2023] [Accepted: 08/28/2023] [Indexed: 09/10/2023] Open
Abstract
We are not entirely able to understand, assess, and modulate the functioning of the immune system in clinical situations that lead to a systemic inflammatory response. In the search for diagnostic and treatment strategies (which are still far from perfect), it became very important to study the pathogenesis and participation of endogenous inflammation mediators. This study attempts to more precisely establish the role of neutrophils in individual phenomena occurring during an inflammatory and anti-inflammatory reaction, taking into account their cidal, immunoregulatory, and reparative abilities. Pro- and anticoagulatory properties of endothelium in systemic inflammatory response syndrome (SIRS) are emphasised, along with the resulting clinical implications (the application of immunotherapy using mesenchymal stem/stromal cells (MSCs) or IL-6 antagonists in sepsis and COVID-19 treatment, among others). Special attention is paid to reactive oxygen species (ROS), produced by neutrophils activated during "respiratory burst" in the course of SIRS; the protective and pathogenic role of these endogenous mediators is highlighted. Moreover, clinically useful biomarkers of SIRS (neutrophil extracellular traps, cell-free DNA, DAMP, TREMs, NGAL, miRNA, selected cytokines, ROS, and recognised markers of endothelial damage from the group of adhesins by means of immunohistochemical techniques) related to the neutrophils are presented, and their role in the diagnosing and forecasting of sepsis, burn disease, and COVID-19 is emphasised. Finally, examples of immunomodulation of sepsis and antioxidative thermal injury therapy are presented.
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Affiliation(s)
- Janusz P. Sikora
- Department of Paediatric Emergency Medicine, 2nd Chair of Paediatrics, Central Clinical Hospital, Medical University of Łódź, ul. Sporna 36/50, 91-738 Łódź, Poland;
| | - Jakub Karawani
- Faculty of Medicine, Lazarski University, ul. Świeradowska 43, 02-662 Warsaw, Poland;
| | - Jarosław Sobczak
- Department of Paediatric Emergency Medicine, 2nd Chair of Paediatrics, Central Clinical Hospital, Medical University of Łódź, ul. Sporna 36/50, 91-738 Łódź, Poland;
- Department of Management and Logistics in Healthcare, Medical University of Łódź, ul. Lindleya 6, 90-131 Łódź, Poland
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50
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Liu DX, Pahar B, Cooper TK, Perry DL, Xu H, Huzella LM, Adams RD, Hischak AMW, Hart RJ, Bernbaum R, Rivera D, Anthony S, Claire MS, Byrum R, Cooper K, Reeder R, Kurtz J, Hadley K, Wada J, Crozier I, Worwa G, Bennett RS, Warren T, Holbrook MR, Schmaljohn CS, Hensley LE. Ebola Virus Disease Features Hemophagocytic Lymphohistiocytosis/Macrophage Activation Syndrome in the Rhesus Macaque Model. J Infect Dis 2023; 228:371-382. [PMID: 37279544 PMCID: PMC10428198 DOI: 10.1093/infdis/jiad203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 05/24/2023] [Accepted: 05/30/2023] [Indexed: 06/08/2023] Open
Abstract
BACKGROUND Ebola virus (EBOV) disease (EVD) is one of the most severe and fatal viral hemorrhagic fevers and appears to mimic many clinical and laboratory manifestations of hemophagocytic lymphohistiocytosis syndrome (HLS), also known as macrophage activation syndrome. However, a clear association is yet to be firmly established for effective host-targeted, immunomodulatory therapeutic approaches to improve outcomes in patients with severe EVD. METHODS Twenty-four rhesus monkeys were exposed intramuscularly to the EBOV Kikwit isolate and euthanized at prescheduled time points or when they reached the end-stage disease criteria. Three additional monkeys were mock-exposed and used as uninfected controls. RESULTS EBOV-exposed monkeys presented with clinicopathologic features of HLS, including fever, multiple organomegaly, pancytopenia, hemophagocytosis, hyperfibrinogenemia with disseminated intravascular coagulation, hypertriglyceridemia, hypercytokinemia, increased concentrations of soluble CD163 and CD25 in serum, and the loss of activated natural killer cells. CONCLUSIONS Our data suggest that EVD in the rhesus macaque model mimics pathophysiologic features of HLS/macrophage activation syndrome. Hence, regulating inflammation and immune function might provide an effective treatment for controlling the pathogenesis of acute EVD.
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Affiliation(s)
- David X Liu
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Bapi Pahar
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Timothy K Cooper
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Donna L Perry
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Huanbin Xu
- Department of Comparative Pathology, Tulane National Primate Research Center, Covington, Louisiana, USA
| | - Louis M Huzella
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Ricky D Adams
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Amanda M W Hischak
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Randy J Hart
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Rebecca Bernbaum
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Deja Rivera
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Scott Anthony
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Marisa St Claire
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Russell Byrum
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Kurt Cooper
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Rebecca Reeder
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Jonathan Kurtz
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Kyra Hadley
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Jiro Wada
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Ian Crozier
- Clinical Monitoring Research Program Directorate, Frederick National Laboratory for Cancer Research, Frederick, Maryland, USA
| | - Gabriella Worwa
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Richard S Bennett
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Travis Warren
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Michael R Holbrook
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Connie S Schmaljohn
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
| | - Lisa E Hensley
- Integrated Research Facility at Fort Detrick, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
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