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遗传突变与免疫微环境:揭示与 AML 预后的关联。

Genetic mutations and immune microenvironment: unveiling the connection to AML prognosis.

机构信息

Department of Haematology, The First Affiliated Hospital of Bengbu Medical University, Bengbu, People's Republic of China.

Anhui Province Key Laboratory of Immunology in Chronic Diseases, Bengbu Medical University, Bengbu, People's Republic of China.

出版信息

Hematology. 2024 Dec;29(1):2346965. doi: 10.1080/16078454.2024.2346965. Epub 2024 Apr 30.


DOI:10.1080/16078454.2024.2346965
PMID:38687637
Abstract

BACKGROUND: This study aims to investigate the correlation between NK and NKT cell proportion disparities and prognosis in patients with acute myeloid leukemia (AML). METHODS: Forty-four cases of acute myeloid leukemia patients were selected, and flow cytometry was utilized to evaluate the expression of bone marrow NK and NKT cells. Next-generation sequencing technology was employed to detect genetic mutations in these 44 AML patients, and the rates of first induction remission and overall survival were recorded. Comparisons were made to analyze the respective differences in NK and NKT cell proportions among AML patients with various genetic mutations and risk stratifications. RESULTS: The FLT-3-ITD+ group exhibited a significant increase in the proportion of NK cells compared to the normal control group and FLT3-ITD+/NPM1+ group, whereas the proportion of NKT cells was significantly decreased. Additionally, the CEBPA+ group showed an increased proportion of NKT cells compared to the TP53+ group and ASXL1+ group. The high-risk group had a higher proportion of NK cells than the intermediate-risk group, while the proportion of NKT cells was lower in the high-risk group compared to the intermediate-risk group.Patients achieving first induction remission displayed a higher proportion of NKT cells at initial diagnosis compared to those who did not achieve remission. The distribution of NK cells show significant differences among AML patients in different survival periods. CONCLUSION: This results implies that distinct genetic mutations may play a role not only in tumor initiation but also in shaping the tumor microenvironment, consequently impacting prognosis.

摘要

背景:本研究旨在探讨自然杀伤(NK)和自然杀伤 T(NKT)细胞比例差异与急性髓系白血病(AML)患者预后的相关性。

方法:选取 44 例急性髓系白血病患者,采用流式细胞术检测骨髓 NK 和 NKT 细胞的表达。运用下一代测序技术检测这 44 例 AML 患者的基因突变情况,记录首次诱导缓解率和总生存率。分析比较不同基因突变和危险分层的 AML 患者 NK 和 NKT 细胞比例的差异。

结果:FLT-3-ITD+组患者 NK 细胞比例明显高于正常对照组和 FLT3-ITD+/NPM1+组,而 NKT 细胞比例明显降低。此外,CEBPA+组患者 NKT 细胞比例明显高于 TP53+组和 ASXL1+组。高危组 NK 细胞比例高于中危组,而高危组 NKT 细胞比例低于中危组。首次诱导缓解的患者初诊时 NKT 细胞比例高于未缓解的患者。不同生存时间的 AML 患者 NK 细胞的分布差异有统计学意义。

结论:不同的基因突变不仅可能在肿瘤发生中起作用,而且可能在塑造肿瘤微环境中起作用,从而影响预后。

相似文献

[1]
Genetic mutations and immune microenvironment: unveiling the connection to AML prognosis.

Hematology. 2024-12

[2]
The effect of the detection of minimal residual disease for the prognosis and the choice of post-remission therapy of intermediate-risk acute myeloid leukemia without FLT3-ITD, NPM1 and biallelic CEBPA mutations.

Hematology. 2021-12

[3]
[Using next generation sequencing technology to analyze gene mutations in patients with acute myeloid leukemia and the impact on prognosis].

Zhonghua Yi Xue Za Zhi. 2019-10-29

[4]
Age-dependent frequencies of NPM1 mutations and FLT3-ITD in patients with normal karyotype AML (NK-AML).

Ann Hematol. 2011-7-9

[5]
Significance of Frequencies, Compositions, and/or Antileukemic Activity of (DC-stimulated) Invariant NKT, NK and CIK Cells on the Outcome of Patients With AML, ALL and CLL.

J Immunother. 2017

[6]
IDH1 and IDH2 mutations are frequent genetic alterations in acute myeloid leukemia and confer adverse prognosis in cytogenetically normal acute myeloid leukemia with NPM1 mutation without FLT3 internal tandem duplication.

J Clin Oncol. 2010-6-21

[7]
Prognostic Relevance of DNMT3A, FLT3 and NPM1 Mutations in Syrian Acute Myeloid Leukemia Patients.

Asian Pac J Cancer Prev. 2022-4-1

[8]
[Correlation of NK cell RIPK1 with Prognosis of Acute Myeloid Leukemia Patients with FLT3-ITD Mutation].

Zhongguo Shi Yan Xue Ye Xue Za Zhi. 2020-10

[9]
Allogeneic Stem Cell Transplantation Improves Survival in Patients with Acute Myeloid Leukemia Characterized by a High Allelic Ratio of Mutant FLT3-ITD.

Biol Blood Marrow Transplant. 2016-3

[10]
Mutations and treatment outcome in cytogenetically normal acute myeloid leukemia.

N Engl J Med. 2008-5-1

引用本文的文献

[1]
The interaction between common genetic mutations in AML and the immune landscape: mechanisms and implications for immune response.

Front Immunol. 2025-8-11

[2]
Circulating tumor DNA predicts clinical benefits of immune checkpoint blockade in HER2-negative patients with advanced gastric cancer.

Gastric Cancer. 2025-5-15

[3]
Acute Myeloid Leukemia in Older Patients: From New Biological Insights to Targeted Therapies.

Curr Oncol. 2024-10-24

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