Anti-COX-2 autoantibody is a novel biomarker of immune aplastic anemia.


Journal

Leukemia
ISSN: 1476-5551
Titre abrégé: Leukemia
Pays: England
ID NLM: 8704895

Informations de publication

Date de publication:
09 2022
Historique:
received: 13 05 2022
accepted: 11 07 2022
revised: 06 07 2022
pubmed: 5 8 2022
medline: 31 8 2022
entrez: 4 8 2022
Statut: ppublish

Résumé

In immune aplastic anemia (IAA), severe pancytopenia results from the immune-mediated destruction of hematopoietic stem cells. Several autoantibodies have been reported, but no clinically applicable autoantibody tests are available for IAA. We screened autoantibodies using a microarray containing >9000 proteins and validated the findings in a large international cohort of IAA patients (n = 405) and controls (n = 815). We identified a novel autoantibody that binds to the C-terminal end of cyclooxygenase 2 (COX-2, aCOX-2 Ab). In total, 37% of all adult IAA patients tested positive for aCOX-2 Ab, while only 1.7% of the controls were aCOX-2 Ab positive. Sporadic non-IAA aCOX-2 Ab positive cases were observed among patients with related bone marrow failure diseases, multiple sclerosis, and type I diabetes, whereas no aCOX-2 Ab seropositivity was detected in the healthy controls, in patients with non-autoinflammatory diseases or rheumatoid arthritis. In IAA, anti-COX-2 Ab positivity correlated with age and the HLA-DRB1*15:01 genotype. 83% of the >40 years old IAA patients with HLA-DRB1*15:01 were anti-COX-2 Ab positive, indicating an excellent sensitivity in this group. aCOX-2 Ab positive IAA patients also presented lower platelet counts. Our results suggest that aCOX-2 Ab defines a distinct subgroup of IAA and may serve as a valuable disease biomarker.

Identifiants

pubmed: 35927326
doi: 10.1038/s41375-022-01654-6
pii: 10.1038/s41375-022-01654-6
pmc: PMC9417997
doi:

Substances chimiques

Autoantibodies 0
Biomarkers 0
HLA-DRB1 Chains 0
Cyclooxygenase 2 EC 1.14.99.1

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

2317-2327

Informations de copyright

© 2022. The Author(s).

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Auteurs

Tiina Kelkka (T)

Hematology Research Unit Helsinki, University of Helsinki and Department of Hematology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland.
Translational Immunology Research Program and Department of Clinical Chemistry and Hematology, University of Helsinki, Helsinki, Finland.

Mikko Tyster (M)

Hematology Research Unit Helsinki, University of Helsinki and Department of Hematology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland.
Translational Immunology Research Program and Department of Clinical Chemistry and Hematology, University of Helsinki, Helsinki, Finland.

Sofie Lundgren (S)

Hematology Research Unit Helsinki, University of Helsinki and Department of Hematology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland.
Translational Immunology Research Program and Department of Clinical Chemistry and Hematology, University of Helsinki, Helsinki, Finland.

Xingmin Feng (X)

Hematology Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD, USA.

Cassandra Kerr (C)

Department of Translational Hematology and Oncology Research and Leukemia Program, Department of Hematology and Medical Oncology, Taussig Cancer Institute, Cleveland Clinic, Cleveland, OH, USA.

Kohei Hosokawa (K)

Department of Hematology, Faculty of Medicine, Institute of Medical Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan.

Jani Huuhtanen (J)

Hematology Research Unit Helsinki, University of Helsinki and Department of Hematology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland.
Translational Immunology Research Program and Department of Clinical Chemistry and Hematology, University of Helsinki, Helsinki, Finland.

Mikko Keränen (M)

Hematology Research Unit Helsinki, University of Helsinki and Department of Hematology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland.
Translational Immunology Research Program and Department of Clinical Chemistry and Hematology, University of Helsinki, Helsinki, Finland.

Bhavisha Patel (B)

Hematology Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD, USA.

Toru Kawakami (T)

Division of Hematology, Department of Internal Medicine, Shinshu University School of Medicine, Matsumoto, Japan.

Yuka Maeda (Y)

Division of Cancer Immunology, Research Institute/Exploratory Oncology Research and Clinical Trial Center, National Cancer Center Japan, Tokyo, Japan.

Otso Nieminen (O)

Hematology Research Unit Helsinki, University of Helsinki and Department of Hematology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland.
Translational Immunology Research Program and Department of Clinical Chemistry and Hematology, University of Helsinki, Helsinki, Finland.

Tiina Kasanen (T)

Hematology Research Unit Helsinki, University of Helsinki and Department of Hematology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland.
Translational Immunology Research Program and Department of Clinical Chemistry and Hematology, University of Helsinki, Helsinki, Finland.

Pasi Aronen (P)

Biostatistics Unit, Faculty of Medicine, University of Helsinki and Helsinki-Uusimaa Hospital District, Helsinki, Finland.

Bhagwan Yadav (B)

Hematology Research Unit Helsinki, University of Helsinki and Department of Hematology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland.
Translational Immunology Research Program and Department of Clinical Chemistry and Hematology, University of Helsinki, Helsinki, Finland.

Hanna Rajala (H)

Hematology Research Unit Helsinki, University of Helsinki and Department of Hematology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland.
Translational Immunology Research Program and Department of Clinical Chemistry and Hematology, University of Helsinki, Helsinki, Finland.

Hideyuki Nakazawa (H)

Department of Hematology, Shinshu University School of Medicine, Matsumoto, Japan.

Taina Jaatinen (T)

Histocompatibility Testing Laboratory, Finnish Red Cross Blood Service, Helsinki, Finland.

Eva Hellström-Lindberg (E)

Division of Hematology, Department of Medicine, Karolinska University Hospital, Stockholm, Sweden.

Seishi Ogawa (S)

Department of Pathology and Tumor Biology, Graduate School of Medicine, Kyoto University, Kyoto, Japan.

Fumihiro Ishida (F)

Department of Biomedical Laboratory Sciences, Shinshu University School of Medicine, Matsumoto, Japan.

Hiroyoshi Nishikawa (H)

Division of Cancer Immunology, Research Institute/Exploratory Oncology Research and Clinical Trial Center, National Cancer Center Japan, Tokyo, Japan.

Shinji Nakao (S)

Department of Hematology, Faculty of Medicine, Institute of Medical Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan.

Jaroslaw Maciejewski (J)

Department of Translational Hematology and Oncology Research and Leukemia Program, Department of Hematology and Medical Oncology, Taussig Cancer Institute, Cleveland Clinic, Cleveland, OH, USA.

Neal S Young (NS)

Hematology Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD, USA.

Satu Mustjoki (S)

Hematology Research Unit Helsinki, University of Helsinki and Department of Hematology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland. satu.mustjoki@helsinki.fi.
Translational Immunology Research Program and Department of Clinical Chemistry and Hematology, University of Helsinki, Helsinki, Finland. satu.mustjoki@helsinki.fi.
iCAN Digital Precision Cancer Medicine Flagship, Helsinki, Finland. satu.mustjoki@helsinki.fi.

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