Effect of changes in lymphocyte subsets at diagnosis in acute myeloid leukemia on prognosis: association with complete remission rates and relapse free survivals
- Authors
- Park, Sang Hyuk; Bae, Mi-Hyun; Park, Chan-Jeoung; Cho, Young-Uk; Jang, Seongsoo; Lee, Je-Hwan; Lee, Kyoo-Hyung
- Issue Date
- Jun-2023
- Publisher
- SPRINGER HEIDELBERG
- Keywords
- Acute myeloid leukemia; Diagnosis; Flow cytometry; Lymphocyte subsets; Prognosis
- Citation
- JOURNAL OF HEMATOPATHOLOGY, v.16, no.2, pp.73 - 84
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF HEMATOPATHOLOGY
- Volume
- 16
- Number
- 2
- Start Page
- 73
- End Page
- 84
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/191043
- DOI
- 10.1007/s12308-023-00536-9
- ISSN
- 1868-9256
- Abstract
- We prospectively investigated whether the characteristics of lymphocyte subsets at diagnosis in acute myeloid leukemia (AML) patients are different from healthy controls and affect treatment outcomes. A total of 91 AML patients classified into 3 genetic risk subgroups (favorable/intermediate/poor) according to 2022 NCCN guidelines were enrolled. We measured lymphocyte subsets by flow cytometry with peripheral blood samples at diagnosis and compared results with healthy controls. Influences of lymphocyte subsets on complete remission (CR) rates and survivals were also evaluated. AML patients had significantly lower numbers and proportions of CD56(dim)CD16(+) natural killer (NK) cells, central memory T cells, and regulatory T cells than healthy controls. Higher proportion of helper/inducer T cells, CD4(+)CD31(+) naive T cells, and decreased proportion of NK cells significantly increased CR rates in 65 non-promyelocytic leukemia patients (P = 0.034, 0.027, and 0.019, respectively), and it was also significant in multivariable analysis with age/risk adjusted (P = 0.014, 0.016, and 0.045, respectively). NK cells < 4.8% of lymphocytes demonstrated significantly shorter relapse free survivals (RFS) in both univariate and multivariate analyses with risk adjusted (P = 0.006 and 0.037, respectively). AML patients showed significant lower numbers of CD56(dim)CD16(+) NK cells, central memory T cells, and regulatory T cells than healthy controls at diagnosis. Higher proportion of helper/inducer T cells and CD4(+)CD31(+) naive T cells and decreased proportion of NK cells at diagnosis were independent factor of increasing probability of CR, and proportion of NK cells < 4.8% at diagnosis had adverse impact in RFS.
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