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Minguela A, Salido EJ, Soto-Ramírez MF, Olga MA, Leal JD, García-Garay MC, Periago A, Berenguer M, Blanque M, Campillo JA. Low-affinity immunoglobulin gamma Fc region receptor III-B (FcγRIIIB, CD16B) deficiency in patients with blood and immune system disorders. Br J Haematol 2021; 195:743-747. [PMID: 34544201 DOI: 10.1111/bjh.17828] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 08/27/2021] [Indexed: 11/29/2022]
Abstract
Low-affinity immunoglobulin gamma Fc region receptor III-B (FcγRIIIB) deficiency is present in ˜0·05% of the general population. Among our patients, FcγRIIIB deficiency was less frequent in those with immune-system disorders (one of 1815 patients, 0·05%) than in those with blood disorders (nine of 2147 patients, 0·42%, P = 0·023): mainly primary immune thrombocytopenia (4·34%), therapy related myeloid neoplasms (1·16%) and myelodysplastic syndrome with excess blasts (1·28%). Four of the nine (44·4%) patients with blood disorders were diagnosed with or quickly evolved to acute myeloid leukaemia (AML), suggesting that FcγRIIIB deficiency could be an adverse prognostic factor for progression to AML that should be confirmed in large multicentre studies.
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Affiliation(s)
- Alfredo Minguela
- Immunology Service, Clinic University Hospital Virgen de la Arrrixaca (HCUVA), Murcia, Spain.,Biomedical Research Institute of Murcia (IMIB), Murcia, Spain
| | - Eduardo J Salido
- Biomedical Research Institute of Murcia (IMIB), Murcia, Spain.,Hematology Service, Clinic University Hospital Virgen de la Arrrixaca (HCUVA), Murcia, Spain
| | - María F Soto-Ramírez
- Immunology Service, Clinic University Hospital Virgen de la Arrrixaca (HCUVA), Murcia, Spain.,Biomedical Research Institute of Murcia (IMIB), Murcia, Spain
| | - Montes-Ares Olga
- Immunology Service, Clinic University Hospital Virgen de la Arrrixaca (HCUVA), Murcia, Spain.,Biomedical Research Institute of Murcia (IMIB), Murcia, Spain
| | - Juan D Leal
- Biomedical Research Institute of Murcia (IMIB), Murcia, Spain.,Hematology Service, Clinic University Hospital Virgen de la Arrrixaca (HCUVA), Murcia, Spain
| | - María C García-Garay
- Biomedical Research Institute of Murcia (IMIB), Murcia, Spain.,Hematology Service, Clinic University Hospital Virgen de la Arrrixaca (HCUVA), Murcia, Spain
| | - Adela Periago
- Biomedical Research Institute of Murcia (IMIB), Murcia, Spain.,Hematology Service, Hospital Rafael Méndez, Lorca, Spain
| | - Mercedes Berenguer
- Biomedical Research Institute of Murcia (IMIB), Murcia, Spain.,Hematology Service, General University Hospital Santa Lucía, Cartagena, Spain
| | - Miguel Blanque
- Biomedical Research Institute of Murcia (IMIB), Murcia, Spain.,Hematology Service, Clinic University Hospital Virgen de la Arrrixaca (HCUVA), Murcia, Spain
| | - José A Campillo
- Immunology Service, Clinic University Hospital Virgen de la Arrrixaca (HCUVA), Murcia, Spain.,Biomedical Research Institute of Murcia (IMIB), Murcia, Spain
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