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Geng H, Wang Y, Wang S. Blood MALT1 deficiency is common and relates to unfavorable induction therapy response and survival profile in acute myeloid leukemia patients. Hematology 2022; 27:1176-1183. [DOI: 10.1080/16078454.2022.2139909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Affiliation(s)
- Haili Geng
- Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fujian Medical University Union Hospital, Fuzhou, People’s Republic of China
| | - Yiting Wang
- Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fujian Medical University Union Hospital, Fuzhou, People’s Republic of China
| | - Shaoyuan Wang
- Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fujian Medical University Union Hospital, Fuzhou, People’s Republic of China
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Lei H, Wang J, Hu J, Zhu Q, Wu Y. Deubiquitinases in hematological malignancies. Biomark Res 2021; 9:66. [PMID: 34454635 PMCID: PMC8401176 DOI: 10.1186/s40364-021-00320-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 08/06/2021] [Indexed: 12/18/2022] Open
Abstract
Deubiquitinases (DUBs) are enzymes that control the stability, interactions or localization of most cellular proteins by removing their ubiquitin modification. In recent years, some DUBs, such as USP7, USP9X and USP10, have been identified as promising therapeutic targets in hematological malignancies. Importantly, some potent inhibitors targeting the oncogenic DUBs have been developed, showing promising inhibitory efficacy in preclinical models, and some have even undergone clinical trials. Different DUBs perform distinct function in diverse hematological malignancies, such as oncogenic, tumor suppressor or context-dependent effects. Therefore, exploring the biological roles of DUBs and their downstream effectors will provide new insights and therapeutic targets for the occurrence and development of hematological malignancies. We summarize the DUBs involved in different categories of hematological malignancies including leukemia, multiple myeloma and lymphoma. We also present the recent development of DUB inhibitors and their applications in hematological malignancies. Together, we demonstrate DUBs as potential therapeutic drug targets in hematological malignancies.
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Affiliation(s)
- Hu Lei
- Department of Pathophysiology, International Institute of Medicine, Shanghai Tongren Hospital/Faculty of Basic Medicine, Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
| | - Jiaqi Wang
- Department of Pathophysiology, International Institute of Medicine, Shanghai Tongren Hospital/Faculty of Basic Medicine, Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Jiacheng Hu
- Department of Pathophysiology, International Institute of Medicine, Shanghai Tongren Hospital/Faculty of Basic Medicine, Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Qian Zhu
- Department of Pathophysiology, International Institute of Medicine, Shanghai Tongren Hospital/Faculty of Basic Medicine, Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Yingli Wu
- Department of Pathophysiology, International Institute of Medicine, Shanghai Tongren Hospital/Faculty of Basic Medicine, Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
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Hu J, Yi S, Wang C, Zhang Y, Tang J, Huang X, Yang L, Yang J, Li H. A20 Inhibits Intraocular Inflammation in Mice by Regulating the Function of CD4+T Cells and RPE Cells. Front Immunol 2021; 11:603939. [PMID: 33613524 PMCID: PMC7890008 DOI: 10.3389/fimmu.2020.603939] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 12/21/2020] [Indexed: 11/20/2022] Open
Abstract
A20 is a negative regulator of inflammation and immunity and plays a role in several autoimmune and inflammatory diseases. Here, we demonstrate that A20 overexpression significantly ameliorates severity of EAU by inhibiting the infiltration of Th1 and Th17 cells, and by protecting integrity of the blood retinal barrier. In vitro studies showed that A20 silencing could promote CD4+T cells toward a Th1 and Th17 phenotype. A decreased expression of A20 in CD4+T cells was noticed in active BD patients but not in VKH patients. Furthermore, silencing of A20 in hRPE cells induced the production of IL-6, IL-8, and MCP-1 and downregulated ZO-1 and occludin expression which is mediated by inhibition of MAPK and NF-κB pathways. This study reveals a mechanism by which A20 prevents autoimmune uveitis.
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Affiliation(s)
- Jianping Hu
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing, China
| | - Shenglan Yi
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing, China
| | - Chaokui Wang
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing, China
| | - Yiting Zhang
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing, China
| | - Jihong Tang
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing, China
| | - Xinyue Huang
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing, China
| | - Lu Yang
- Department of Ophthalmology, The Second Hospital of Lanzhou University, Lanzhou, China
| | - Jinglu Yang
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing, China
| | - Hong Li
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing, China
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Wang X, Lu S, Xiao Y, Xu L, Zhou L, Hu J, Li B, Zeng C, Li Y. Alteration of gene expression profile in CD3 + T-cells after downregulating MALT1. Immunotargets Ther 2018; 7:77-81. [PMID: 30538965 PMCID: PMC6251356 DOI: 10.2147/itt.s179656] [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] [Indexed: 12/01/2022] Open
Abstract
Background T cell immunodeficiency is a common feature in patients with different kinds of hematological disease such as T cell non-Hodgkin lymphoma (T-NHL), B cells NHL (B-NHL), NK/T cell NHL (NK/T-CL) and acute myeloid leukemia (AML). In our recent research, we found that significantly lower expression levels in MALT1 and NF-κB were related to suppression of T cell activation. Therefore, this study was conducted to further investigate the role of downregulating MALT1 in the development of immunodeficiency in T cells. Methods We induced activation inhibition in CD3+ T cells by MALT1 knockdown. Then we characterized the gene expression profile after MALT1 suppression by microarray analysis. Result The differentially expressed genes were ZAP-70, p65, MDM2, ATM, NFATC2 which participate in the NF-κB, p53, and NFAT pathways in CD3+ T cells after MALT1 downregulation. Conclusion MALT1 suppression may contribute to immunodeficiency in T cells via suppression of T cell activation and proliferation pathways. These data may help to explain some of the characteristics of immunodeficiency of T cells.
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Affiliation(s)
- Xu Wang
- Key Laboratory for Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, 510632, People's Republic of China, , .,Institute of Hematology, Jinan University, Guangzhou, 510632, People's Republic of China, ,
| | - Shuai Lu
- Key Laboratory for Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, 510632, People's Republic of China, , .,Institute of Hematology, Jinan University, Guangzhou, 510632, People's Republic of China, ,
| | - Yankai Xiao
- Key Laboratory for Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, 510632, People's Republic of China, , .,Institute of Hematology, Jinan University, Guangzhou, 510632, People's Republic of China, ,
| | - Ling Xu
- Institute of Hematology, Jinan University, Guangzhou, 510632, People's Republic of China, , .,Department of Hematology, First Affiliated Hospital, Jinan University, Guangzhou, 510632, People's Republic of China,
| | - Lingling Zhou
- Key Laboratory for Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, 510632, People's Republic of China, , .,Institute of Hematology, Jinan University, Guangzhou, 510632, People's Republic of China, ,
| | - Junyan Hu
- Institute of Hematology, Jinan University, Guangzhou, 510632, People's Republic of China, ,
| | - Bo Li
- Key Laboratory for Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, 510632, People's Republic of China, , .,Institute of Hematology, Jinan University, Guangzhou, 510632, People's Republic of China, ,
| | - Chengwu Zeng
- Key Laboratory for Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, 510632, People's Republic of China, , .,Institute of Hematology, Jinan University, Guangzhou, 510632, People's Republic of China, ,
| | - Yangqiu Li
- Key Laboratory for Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, 510632, People's Republic of China, , .,Institute of Hematology, Jinan University, Guangzhou, 510632, People's Republic of China, , .,Department of Hematology, First Affiliated Hospital, Jinan University, Guangzhou, 510632, People's Republic of China,
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Das T, Chen Z, Hendriks RW, Kool M. A20/Tumor Necrosis Factor α-Induced Protein 3 in Immune Cells Controls Development of Autoinflammation and Autoimmunity: Lessons from Mouse Models. Front Immunol 2018. [PMID: 29515565 PMCID: PMC5826380 DOI: 10.3389/fimmu.2018.00104] [Citation(s) in RCA: 105] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Immune cell activation is a stringently regulated process, as exaggerated innate and adaptive immune responses can lead to autoinflammatory and autoimmune diseases. Perhaps the best-characterized molecular pathway promoting cell activation is the nuclear factor-κB (NF-κB) signaling pathway. Stimulation of this pathway leads to transcription of numerous pro-inflammatory and cell-survival genes. Several mechanisms tightly control NF-κB activity, including the key regulatory zinc finger (de)ubiquitinating enzyme A20/tumor necrosis factor α-induced protein 3 (TNFAIP3). Single nucleotide polymorphisms (SNPs) in the vicinity of the TNFAIP3 gene are associated with a spectrum of chronic systemic inflammatory diseases, indicative of its clinical relevance. Mice harboring targeted cell-specific deletions of the Tnfaip3 gene in innate immune cells such as macrophages spontaneously develop autoinflammatory disease. When immune cells involved in the adaptive immune response, such as dendritic cells or B-cells, are targeted for A20/TNFAIP3 deletion, mice develop spontaneous inflammation that resembles human autoimmune disease. Therefore, more knowledge on A20/TNFAIP3 function in cells of the immune system is beneficial in our understanding of autoinflammation and autoimmunity. Using the aforementioned mouse models, novel A20/TNFAIP3 functions have recently been described including control of necroptosis and inflammasome activity. In this review, we discuss the function of the A20/TNFAIP3 enzyme and its critical role in various innate and adaptive immune cells. Finally, we discuss the latest findings on TNFAIP3 SNPs in human autoinflammatory and autoimmune diseases and address that genotyping of TNFAIP3 SNPs may guide treatment decisions.
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Affiliation(s)
- Tridib Das
- Department of Pulmonary Medicine, Erasmus MC, Rotterdam, Netherlands
| | - Zhongli Chen
- Department of Pulmonary Medicine, Erasmus MC, Rotterdam, Netherlands
| | - Rudi W Hendriks
- Department of Pulmonary Medicine, Erasmus MC, Rotterdam, Netherlands
| | - Mirjam Kool
- Department of Pulmonary Medicine, Erasmus MC, Rotterdam, Netherlands
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Pan JQ, Zhang YQ, Wang JH, Xu P, Wang W. lncRNA co-expression network model for the prognostic analysis of acute myeloid leukemia. Int J Mol Med 2017; 39:663-671. [PMID: 28204819 PMCID: PMC5360362 DOI: 10.3892/ijmm.2017.2888] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Accepted: 02/02/2017] [Indexed: 12/01/2022] Open
Abstract
Acute myeloid leukemia (AML) is a highly heterogeneous hematologic malignancy with great variability of prognostic behaviors. Previous studies have reported that long non-coding RNAs (lncRNAs) play an important role in AML and may thus be used as potential prognostic biomarkers. However, thus use of lncRNAs as prognostic biomarkers in AML and their detailed mechanisms of action in this disease have not yet been well characterized. For this purpose, in the present study, the expression levels of lncRNAs and mRNAs were calculated using the RNA-seq V2 data for AML, following which a lncRNA-lncRNA co-expression network (LLCN) was constructed. This revealed a total of 8 AML prognosis-related lncRNA modules were identified, which displayed a significant correlation with patient survival (p≤0.05). Subsequently, a prognosis-related lncRNA module pathway network was constructed to interpret the functional mechanism of the prognostic modules in AML. The results indicated that these prognostic modules were involved in the AML pathway, chemokine signaling pathway and WNT signaling pathway, all of which play important roles in AML. Furthermore, the investigation of lncRNAs in these prognostic modules suggested that an lncRNA (ZNF571-AS1) may be involved in AML via the Janus kinase (JAK)/signal transducer and activator of transcription (STAT) signaling pathway by regulating KIT and STAT5. The results of the present study not only provide potential lncRNA modules as prognostic biomarkers, but also provide further insight into the molecular mechanisms of action of lncRNAs.
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Affiliation(s)
- Jia-Qi Pan
- Department of Hematology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Yan-Qing Zhang
- Department of Hematology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Jing-Hua Wang
- Department of Hematology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Ping Xu
- Department of Hematology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Wei Wang
- Department of Hematology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
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7
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Abstract
The human paracaspase MALT1 is a caspase homolog that plays a central role in NF-κB signaling. Over the past few years it has become clear that this is due to a combination of its scaffolding and proteolytic function. Knockout mice and mice expressing a catalytically dead variant of the protease have provided valuable information. This review aims to provide an overview of recent developments regarding the enzymatic mechanism and specificity of MALT1, its substrates discovered to date, different mouse models, as well as the role of MALT1 in NF-κB signaling downstream of a variety of different receptors.
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8
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Xu Y, Hu J, Wang X, Xuan L, Lai J, Xu L, Chen S, Yang L, Luo G, Zhu K, Wu X, Li Y. Overexpression of MALT1-A20-NF-κB in adult B-cell acute lymphoblastic leukemia. Cancer Cell Int 2015. [PMID: 26213496 PMCID: PMC4514975 DOI: 10.1186/s12935-015-0222-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Background A20 is a dual inhibitor of NF-κB activation and apoptosis in the tumor necrosis factor receptor 1 signaling pathway, and both are related to tumorigenesis. A20 is frequently inactivated by deletions and/or mutations in several B and T cell lymphoma subtypes; however, knowledge of the role of A20 in B-cell acute lymphoblastic leukemia (B-ALL) remains limited. In this study, we characterized the A20 gene expression pattern, the expression level of its upstream regulating factor MALT1, and its downstream target NF-κB in adult B-ALL. Methods The expression level of MALT1, A20 and NF-κB1 was detected in peripheral blood mononuclear cells (PBMCs) from 20 patients with adult B-ALL (including 12 de novo B-ALL and 8 refractory/relapse B-ALL cases), and nine patients with B-ALL in complete remission (CR) using real-time PCR. Sixteen healthy individuals served as controls. Results Significant A20 overexpression was found in the B-ALL (median: 13.489) compared with B-ALL CR (median: 3.755) (P = 0.003) patients and healthy individuals (median: 8.748) (P = 0.002), while there was no significant difference in A20 expression between B-ALL CR patients and healthy individuals (P = 0.107). Interestingly, the A20 expression level in the B-ALL samples was relatively different with approximately 50% of the B-ALL cases showing a relatively high A20 expression level, while the remaining 50% cases demonstrated slight upregulation or a similar expression level as the healthy controls. However, there was no significant difference in the A20 expression level between de novo B-ALL (median 12.252) and refractory/relapse B-ALL patients (median 21.342) (P = 0.616). Similarly, a significantly higher expression level of NF-κB1 was found in the B-ALL (median 1.062) patients compared with healthy individuals (median 0.335) (P < 0.0001), while the NF-κB1 expression level was downregulated in the B-ALL CR group (median 0.339), which was significantly lower than that in those with B-ALL (P = 0.001). Moreover, the MALT1 expression level in B-ALL was upregulated (median 1.938) and significantly higher than that in healthy individuals (median 0.677) (P = 0.002) and B-ALL CR patients (median 0.153) (P = 0.008). The correlation of the expression levels of all three genes was lost in B-ALL. Conclusions We found that MALT1-A20-NF-κB is overexpressed in adult B-ALL, which may be related to the pathogenesis of B-ALL, and this pathway may be considered a potentially attractive target for the development of B-ALL therapeutics. Electronic supplementary material The online version of this article (doi:10.1186/s12935-015-0222-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yi Xu
- Institute of Hematology, Jinan University, Guangzhou, 510632 China
| | - Junyan Hu
- Institute of Hematology, Jinan University, Guangzhou, 510632 China.,Department of Emergency, Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510150 China
| | - Xu Wang
- Institute of Hematology, Jinan University, Guangzhou, 510632 China.,Key Laboratory for Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, 510632 China
| | - Li Xuan
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515 China
| | - Jing Lai
- Institute of Hematology, Jinan University, Guangzhou, 510632 China
| | - Ling Xu
- Institute of Hematology, Jinan University, Guangzhou, 510632 China
| | - Shaohua Chen
- Institute of Hematology, Jinan University, Guangzhou, 510632 China
| | - Lijian Yang
- Institute of Hematology, Jinan University, Guangzhou, 510632 China
| | - Gengxin Luo
- Department of Hematology, First Affiliated Hospital, Jinan University, Guangzhou, 510632 China
| | - Kanger Zhu
- Department of Hematology, First Affiliated Hospital, Jinan University, Guangzhou, 510632 China
| | - Xiuli Wu
- Institute of Hematology, Jinan University, Guangzhou, 510632 China
| | - Yangqiu Li
- Institute of Hematology, Jinan University, Guangzhou, 510632 China.,Key Laboratory for Regenerative Medicine of Ministry of Education, Jinan University, Guangzhou, 510632 China.,Department of Hematology, First Affiliated Hospital, Jinan University, Guangzhou, 510632 China
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Yin Q, Chen L, Li Q, Mi R, Li Y, Wei X, Song Y. Changes of T-lymphocyte subpopulation and differential expression pattern of the T-bet and GATA-3 genes in diffuse large B-cell lymphoma patients after chemotherapy. Cancer Cell Int 2014; 14:85. [PMID: 25705124 PMCID: PMC4336681 DOI: 10.1186/s12935-014-0085-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2014] [Accepted: 08/12/2014] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND AND OBJECTIVE T cell-mediated immunity plays an important role in enhancing antitumor response.This study aimed to investigate the changes in the T-lymphocyte subpopulation and to characterize the differential expression pattern of corresponding regulatory genes in peripheral blood mononuclear cells (PBMCs) from diffuse large B cell lymphoma (DLBCL) patients before and after chemotherapy. METHODS A total of 56 DLBCL patients were recruited for analysis of T-cell subset distribution in the peripheral blood using flow cytometry; serum interferon (IFN)-γ and interleukin (IL)-4 levels using enzyme-linked immunosorbent assays; and early growth response protein 1 (EGR-1), T-bet, GATA-binding protein 3 (GATA-3), and transforming growth factor (TGF)-β mRNA levels using quantitative reverse-transcription polymerase chain reaction. Twenty-six healthy subjects served as controls. RESULTS The percentage of CD3(+)CD4(+)T lymphocytes in peripheral blood from DLBCL patients was significantly decreased, whereas the percentages of CD3(+)CD8(+)T and CD4(+)CD25(+)T cells were significantly increased compared to those in controls (p < 0.05). Serum levels of IFN-γ and IL-4 were also significantly lower in DLBCL patients than those in controls (p < 0.05), and the levels of EGR-1, T-bet, and GATA-3 mRNA in PBMCs were lower (2.69 ± 1.48, 9.43 ± 2.14, and 20.83 ± 9.05 fold, respectively) in DLBCL patients than those in controls. Furthermore, there was a positive association between the levels of EGR-1 and T-bet mRNA (p = 0.001). However, the level of TGF-β mRNA was significantly increased in DLBCL patients, which was inversely associated with the T-bet mRNA level (p = 0.008), but positively associated with the percentage of T regulatory cells in PBMCs (p = 0.011). After three cycles of chemotherapy, the distribution of T-lymphocyte subsets in DLBCL patients were changed, and the levels of EGR-1, T-bet, and GATA-3 mRNA were significantly increased (p < 0.05) compared to those before chemotherapy. CONCLUSIONS These results demonstrate the changes in T-lymphocyte subpopulations and the altered expression 34 pattern of the corresponding regulatory genes in PBMCs from DLBCL patients after chemotherapy, which are associated with the response of patients to treatment. The preferential expression of the T-bet gene after chemotherapy was closely correlated with the increased expression of the EGR-1 gene and decreased expression of the TGF-β gene.
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Affiliation(s)
- Qingsong Yin
- Henan Cancer Hospital, Henan Institute of Hematology, and Cancer Hospital of Zhengzhou University, Zhengzhou, Henan China
| | - Lin Chen
- Henan Cancer Hospital, Henan Institute of Hematology, and Cancer Hospital of Zhengzhou University, Zhengzhou, Henan China
| | - Qianyu Li
- Henan Cancer Hospital, Henan Institute of Hematology, and Cancer Hospital of Zhengzhou University, Zhengzhou, Henan China
| | - Ruihua Mi
- Henan Cancer Hospital, Henan Institute of Hematology, and Cancer Hospital of Zhengzhou University, Zhengzhou, Henan China
| | - Yufu Li
- Henan Cancer Hospital, Henan Institute of Hematology, and Cancer Hospital of Zhengzhou University, Zhengzhou, Henan China
| | - Xudong Wei
- Henan Cancer Hospital, Henan Institute of Hematology, and Cancer Hospital of Zhengzhou University, Zhengzhou, Henan China
| | - Yongping Song
- Henan Cancer Hospital, Henan Institute of Hematology, and Cancer Hospital of Zhengzhou University, Zhengzhou, Henan China
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Ma Y, Liao Z, Xu Y, Zhong Z, Wang X, Zhang F, Chen S, Yang L, Luo G, Huang X, Huang S, Wu X, Li Y. Characteristics of CARMA1-BCL10-MALT1-A20-NF-κB expression in T cell-acute lymphocytic leukemia. Eur J Med Res 2014; 19:62. [PMID: 25384343 PMCID: PMC4228272 DOI: 10.1186/s40001-014-0062-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2014] [Accepted: 10/28/2014] [Indexed: 11/30/2022] Open
Abstract
Background Knowledge of the oncogenic signaling pathways of T-cell acute lymphoblastic leukemia (T-ALL) remains limited. Constitutive aberrant activation of the nuclear factor kappa B (NF-κB) signaling pathway has been detected in various lymphoid malignancies and plays a key role in the development of these carcinomas. The zinc finger-containing protein, A20, is a central regulator of multiple NF-κB-activating signaling cascades. A20 is frequently inactivated by deletions and/or mutations in several B-and T-cell lymphoma subtypes. However, few A20 mutations and polymorphisms have been reported in T-ALL. Thus, it is of interest to analyze the expression characteristics of A20 and its regulating factors, including upstream regulators and the CBM complex, which includes CARMA1, BCL10, and MALT1. Methods The expression levels of CARMA1, BCL10, MALT1, A20, and NF-κB were detected in peripheral blood mononuclear cells (PBMCs) from 21 patients with newly diagnosed T-ALL using real-time PCR, and correlations between the aberrant expression of these genes in T-ALL was analyzed. Sixteen healthy individuals, including 10 males and 6 females, served as controls. Results Significantly lower A20 expression was found in T-ALL patients (median: 4.853) compared with healthy individuals (median: 8.748; P = 0.017), and significantly increased expression levels of CARMA1 (median: 2.916; P = 0.034), BCL10 (median: 0.285; P = 0.033), and MALT1 (median: 1.201; P = 0.010) were found in T-ALL compared with the healthy individuals (median: 1.379, 0.169, and 0.677, respectively). In contrast, overexpression of NF-κB (median: 0.714) was found in T-ALL compared with healthy individuals (median: 0.335; P = 0.001). A negative correlation between the MALT1 and A20 expression levels and a positive correlation between CARMA1 and BCL10 were found in T-ALL and healthy individuals. However, no negative correlation was found between A20 and NF-κB and the MALT1 and NF-κB expression level in the T-ALL group. Conclusions We characterized the expression of the CARMA-BCL10-MALT1-A20-NF-κB pathway genes in T-ALL. Overexpression of CARMA-BCL10-MALT in T-ALL may contribute to the constitutive cleavage and inactivation of A20, which enhances NF-κB signaling and may be related to T-ALL pathogenesis.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | - Xiuli Wu
- Institute of Hematology, Jinan University, Guangzhou 510632, China.
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11
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Wang X, Jin Z, Wang X, Chen S, Yang L, Zhu K, Wu X, Li Y. AFM detection of biophysical characteristics of specific regulatory T Cells after allogeneic hematopoietic stem cell transplantation. BMC BIOPHYSICS 2014. [DOI: 10.1186/s13628-014-0007-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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12
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Alternative expression pattern of MALT1-A20-NF-κB in patients with rheumatoid arthritis. J Immunol Res 2014; 2014:492872. [PMID: 24971370 PMCID: PMC4058209 DOI: 10.1155/2014/492872] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2014] [Accepted: 04/27/2014] [Indexed: 12/29/2022] Open
Abstract
Rheumatoid arthritis (RA) is an inflammatory autoimmune disorder; abnormal T cell immunity plays a critical role in the development of RA. Recently, A20 was identified as a key negative regulator for T cell activation and inflammatory signaling and may be involved in RA pathogenesis. In this study, we analyzed the expression level of A20, NF-κB, and A20 regulatory factor mucosa-associated lymphoid tissue lymphoma translocation gene 1 (MALT1) in patients with RA. Real-time PCR was used to determine the expression level of MALT1, MALT-V1, A20, and NF-κB genes in RA and healthy individuals (HI). Significantly lower A20 expression was found in RA patients compared with those in the healthy group, while NF-κB overexpression could be detected in patients with RA. Moreover, the MALT1 and MALT1-V1 expression level was downregulated in RA patients. A positive correlation between MALT1 and A20 and MALT1-V1 and A20 was found in patients with RA, and a tendency towards a negative correlation was found between MALT1 and NF-κB, MALT1-V1 and NF-κB, and A20 and NF-κB. In conclusion, we first characterized the alternative expression pattern of MALT1, A20, and NF-κB in RA, which may be related to abnormal T cell activation.
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Abnormal expression of A20 and its regulated genes in peripheral blood from patients with lymphomas. Cancer Cell Int 2014; 14:36. [PMID: 24790527 PMCID: PMC4005402 DOI: 10.1186/1475-2867-14-36] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Accepted: 04/16/2014] [Indexed: 01/03/2023] Open
Abstract
Background Cell-mediated immunity is often suppressed in patients with hematological malignancies. Recently, we found that low T cell receptor (TCR)-CD3 signaling was related to abnormal expression of the negative regulator of nuclear factor kappa B (NF-κB) A20 in acute myeloid leukemia. To investigate the characteristics of T cell immunodeficiency in lymphomas, we analyzed the expression features of A20 and its upstream regulating factor mucosa-associated lymphoid tissue lymphoma translocation gene 1 (MALT1) and genes downstream of NF-κB in patients with different lymphoma subtypes, including T cell non-Hodgkin lymphoma (T-NHL), B cell non-Hodgkin lymphoma (B-NHL) and NK/T cell lymphoma (NK/T-CL). Methods Real-time PCR was used to determine the expression level of the MALT1, MALT-V1 (variant 1), A20 and NF-κB genes in peripheral blood mononuclear cells (PBMCs) from 24 cases with T-NHL, 19 cases with B-NHL and 16 cases with NK/T-CL, and 31 healthy individuals (HI) served as control. Results Significantly lower A20 and NF-κB expression was found in patients with all three lymphoma subtypes compared with the healthy controls. Moreover, the MALT1 expression level was downregulated in all three lymphoma subtypes. A significant positive correlation between the expression level of MALT1 and A20, MALT1-V1 and A20, MALT1-V1 and NF-κB, and A20 and NF-κB was found. Conclusions An abnormal MALT1-A20-NF-κB expression pattern was found in patients with lymphoma, which may result a lack of A20 and dysfunctional MALT1 and may be related to lower T cell activation, which is a common feature in Chinese patients with lymphoma. This finding may at least partially explain the molecular mechanism of T cell immunodeficiency in lymphomas.
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Zhu L, Zhang F, Shen Q, Chen S, Wang X, Wang L, Yang L, Wu X, Huang S, Schmidt CA, Li Y. Characteristics of A20 gene polymorphisms in T-cell acute lymphocytic leukemia. Hematology 2014; 19:448-54. [PMID: 24611736 DOI: 10.1179/1607845414y.0000000160] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Affiliation(s)
- Lihua Zhu
- Department of Rheumatism and ImmunologyFirst Hospital Affiliated, Jinan University, Guangzhou, China
- Institute of HematologyJinan University, Guangzhou, China
| | - Fan Zhang
- Institute of HematologyJinan University, Guangzhou, China
| | - Qi Shen
- Institute of HematologyJinan University, Guangzhou, China
| | - Shaohua Chen
- Institute of HematologyJinan University, Guangzhou, China
| | - Xu Wang
- Key Laboratory for Regenerative Medicine of Ministry of EducationJinan University, Guangzhou, China
| | - Liang Wang
- Department of OncologyFirst Hospital Affiliated, Jinan University, Guangzhou, China
| | - Lijian Yang
- Institute of HematologyJinan University, Guangzhou, China
| | - Xiuli Wu
- Institute of HematologyJinan University, Guangzhou, China
| | - Suming Huang
- Department of Biochemistry and Molecular BiologyCollege of Medicine, University of Florida, Gainesville, FL, USA
| | - Christian A. Schmidt
- Department of Hematology and OncologyErnst-Moritz-Arndt University Greifswald, Greifswald, Germany
| | - Yangqiu Li
- Institute of HematologyJinan University, Guangzhou, China
- Key Laboratory for Regenerative Medicine of Ministry of EducationJinan University, Guangzhou, China
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Zheng H, Wang X, Ma Y, Xu B, Chen S, Yang L, Wu X, Przybylski GK, Huang S, Ye T, Li Y. The TCR γδ repertoire and relative gene expression characteristics of T-ALL cases with biclonal malignant Vδ1 and Vδ2 T cells. DNA Cell Biol 2013; 33:49-56. [PMID: 24329526 DOI: 10.1089/dna.2013.2199] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Despite significant improvement in our understanding of T-cell acute lymphoblastic leukemia (T-ALL) biology and pathogenesis, many questions remain unanswered. In previous studies, we found a T-ALL case with two malignant T-cell clones with Vδ1Dδ2Dδ3Jδ1 and Vδ2Dδ3Jδ2 rearrangements. In this study, we further characterized T-ALL cases with two malignant clones containing Vδ1Dδ3Jδ1 and Vδ2Dδ1Jδ1 rearrangements using fine-tiling array comparative genomic hybridization, ligation-mediated polymerase chain reaction (LM-PCR), sequencing, and reverse transcription polymerase chain reaction (RT-PCR) analysis. We further analyzed the distribution and clonality of the T-cell receptor (TCR) Vγ and Vδ subfamily T cells in the two T-ALL cases by RT-PCR and GeneScan. Monoclonal Vδ1 and Vδ2 subfamilies were confirmed in both samples, the Vδ3 through Vδ7 subfamilies could not be detected in the T-ALL samples, whereas the oligoclonal Vδ8 subfamily could be identified. Based on the clinical finding that both of the T-ALL cases with two malignant T-cell clones had a poor outcome, we attempted to compare the expression pattern of genes related to T-cell activation and proliferation between cases with the malignant Vδ1 and Vδ2 T-cell clones and T-ALL cases with a mono-malignant Vα T-cell clone. We selected two T-ALL cases with VαJα rearrangements and analyzed the expression level of Notch1, TAL1, and the CARMA-BCL10-MALT-A20-NF-κB pathway genes by real-time PCR. A20 had significantly higher expression in the biclonal compared with the monoclonal T-ALL group (p=0.0354), and there was a trend toward higher expression for the other genes in the biclonal group with the exception of TAL1, although the differences were not statistically significant. In conclusion, we identified two T-ALL cases with biclonal malignant T-cell clones and described the characteristics of the biclonal T-ALL subtype and its gene expression pattern. Thus, our findings may improve the understanding of biclonal T-ALL.
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Affiliation(s)
- Haitao Zheng
- 1 Institute of Hematology, Jinan University , Guangzhou, People's Republic of China
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Shi L, Chen S, Yang L, Li Y. The role of PD-1 and PD-L1 in T-cell immune suppression in patients with hematological malignancies. J Hematol Oncol 2013; 6:74. [PMID: 24283718 PMCID: PMC3851976 DOI: 10.1186/1756-8722-6-74] [Citation(s) in RCA: 220] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2013] [Accepted: 09/30/2013] [Indexed: 12/17/2022] Open
Abstract
T-cell activation and dysfunction relies on direct and modulated receptors. Based on their functional outcome, co-signaling molecules can be divided as co-stimulators and co-inhibitors, which positively and negatively control the priming, growth, differentiation and functional maturation of a T-cell response. We are beginning to understand the power of co-inhibitors in the context of lymphocyte homeostasis and the pathogenesis of leukemia, which involves several newly described co-inhibitory pathways, including the programmed death-1 (PD-1) and PD-1 ligand (PD-L1) pathway. The aim of this review is to summarize the PD-1 and PD-L1 biological functions and their alterative expression in hematological malignancies. The role of PD-1 and PD-L1 in T-cell immune suppression and the potential for immunotherapy via blocking PD-1 and PD-L1 in hematological malignancies are also reviewed.
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Affiliation(s)
| | | | | | - Yangqiu Li
- Institute of Hematology, Jinan University, Guangzhou 510632, China.
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