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Fischer S, Weber LM, Stielow B, Frech M, Simon C, Geller M, Könnecke J, Finkernagel F, Forné I, Nist A, Bauer UM, Stiewe T, Neubauer A, Liefke R. IRF2BP2 counteracts the ATF7/JDP2 AP-1 heterodimer to prevent inflammatory overactivation in acute myeloid leukemia (AML) cells. Nucleic Acids Res 2024; 52:7590-7609. [PMID: 38801077 PMCID: PMC11260449 DOI: 10.1093/nar/gkae437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 04/16/2024] [Accepted: 05/13/2024] [Indexed: 05/29/2024] Open
Abstract
Acute myeloid leukemia (AML) is a hematological malignancy characterized by abnormal proliferation and accumulation of immature myeloid cells in the bone marrow. Inflammation plays a crucial role in AML progression, but excessive activation of cell-intrinsic inflammatory pathways can also trigger cell death. IRF2BP2 is a chromatin regulator implicated in AML pathogenesis, although its precise role in this disease is not fully understood. In this study, we demonstrate that IRF2BP2 interacts with the AP-1 heterodimer ATF7/JDP2, which is involved in activating inflammatory pathways in AML cells. We show that IRF2BP2 is recruited by the ATF7/JDP2 dimer to chromatin and counteracts its gene-activating function. Loss of IRF2BP2 leads to overactivation of inflammatory pathways, resulting in strongly reduced proliferation. Our research indicates that a precise equilibrium between activating and repressive transcriptional mechanisms creates a pro-oncogenic inflammatory environment in AML cells. The ATF7/JDP2-IRF2BP2 regulatory axis is likely a key regulator of this process and may, therefore, represent a promising therapeutic vulnerability for AML. Thus, our study provides new insights into the molecular mechanisms underlying AML pathogenesis and identifies a potential therapeutic target for AML treatment.
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Affiliation(s)
- Sabrina Fischer
- Institute of Molecular Biology and Tumor Research (IMT), Philipps University of Marburg, Marburg 35043, Germany
| | - Lisa Marie Weber
- Institute of Molecular Biology and Tumor Research (IMT), Philipps University of Marburg, Marburg 35043, Germany
| | - Bastian Stielow
- Institute of Molecular Biology and Tumor Research (IMT), Philipps University of Marburg, Marburg 35043, Germany
| | - Miriam Frech
- Department of Hematology, Oncology, and Immunology, University Hospital Giessen and Marburg, Marburg 35043, Germany
| | - Clara Simon
- Institute of Molecular Biology and Tumor Research (IMT), Philipps University of Marburg, Marburg 35043, Germany
| | - Merle Geller
- Institute of Molecular Biology and Tumor Research (IMT), Philipps University of Marburg, Marburg 35043, Germany
| | - Julie Könnecke
- Institute of Molecular Biology and Tumor Research (IMT), Philipps University of Marburg, Marburg 35043, Germany
| | - Florian Finkernagel
- Translational Oncology Group, Center for Tumor Biology and Immunology (ZTI), Philipps University of Marburg, Marburg 35043, Germany
| | - Ignasi Forné
- Protein Analysis Unit, Biomedical Center (BMC), Faculty of Medicine, Ludwig-Maximilians-University (LMU) Munich, Martinsried 82152, Germany
| | - Andrea Nist
- Genomics Core Facility, Institute of Molecular Oncology, Member of the German Center for Lung Research (DZL), Philipps University of Marburg, Marburg 35043, Germany
| | - Uta-Maria Bauer
- Institute of Molecular Biology and Tumor Research (IMT), Philipps University of Marburg, Marburg 35043, Germany
| | - Thorsten Stiewe
- Genomics Core Facility, Institute of Molecular Oncology, Member of the German Center for Lung Research (DZL), Philipps University of Marburg, Marburg 35043, Germany
| | - Andreas Neubauer
- Department of Hematology, Oncology, and Immunology, University Hospital Giessen and Marburg, Marburg 35043, Germany
| | - Robert Liefke
- Institute of Molecular Biology and Tumor Research (IMT), Philipps University of Marburg, Marburg 35043, Germany
- Department of Hematology, Oncology, and Immunology, University Hospital Giessen and Marburg, Marburg 35043, Germany
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2
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Zheng S, Liu Y. Progress in the Study of Fra-2 in Respiratory Diseases. Int J Mol Sci 2024; 25:7143. [PMID: 39000247 PMCID: PMC11240912 DOI: 10.3390/ijms25137143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 06/16/2024] [Accepted: 06/23/2024] [Indexed: 07/16/2024] Open
Abstract
Fos-related antigen-2 (Fra-2) is a member of the activating protein-1 (AP-1) family of transcription factors. It is involved in controlling cell growth and differentiation by regulating the production of the extracellular matrix (ECM) and coordinating the balance of signals within and outside the cell. Fra-2 is not only closely related to bone development, metabolism, and immune system and eye development but also in the progression of respiratory conditions like lung tumors, asthma, pulmonary fibrosis, and chronic obstructive pulmonary disease (COPD). The increased expression and activation of Fra-2 in various lung diseases has been shown in several studies. However, the specific molecular mechanisms through which Fra-2 affects the development of respiratory diseases are not yet understood. The purpose of this research is to summarize and delineate advancements in the study of the involvement of transcription factor Fra-2 in disorders related to the respiratory system.
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Affiliation(s)
- Shuping Zheng
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Yun Liu
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
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Dabbaghipour R, Ahmadi E, Entezam M, Farzam OR, Sohrabi S, Jamali S, Sichani AS, Paydar H, Baradaran B. Concise review: The heterogenous roles of BATF3 in cancer oncogenesis and dendritic cells and T cells differentiation and function considering the importance of BATF3-dependent dendritic cells. Immunogenetics 2024; 76:75-91. [PMID: 38358555 DOI: 10.1007/s00251-024-01335-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 12/23/2023] [Indexed: 02/16/2024]
Abstract
The transcription factor, known as basic leucine zipper ATF-like 3 (BATF3), is a crucial contributor to the development of conventional type 1 dendritic cells (cDC1), which is definitely required for priming CD8 + T cell-mediated immunity against intracellular pathogens and malignancies. In this respect, BATF3-dependent cDC1 can bring about immunological tolerance, an autoimmune response, graft immunity, and defense against infectious agents such as viruses, microbes, parasites, and fungi. Moreover, the important function of cDC1 in stimulating CD8 + T cells creates an excellent opportunity to develop a highly effective target for vaccination against intracellular pathogens and diseases. BATF3 has been clarified to control the development of CD8α+ and CD103+ DCs. The presence of BATF3-dependent cDC1 in the tumor microenvironment (TME) reinforces immunosurveillance and improves immunotherapy approaches, which can be beneficial for cancer immunotherapy. Additionally, BATF3 acts as a transcriptional inhibitor of Treg development by decreasing the expression of the transcription factor FOXP3. However, when overexpressed in CD8 + T cells, it can enhance their survival and facilitate their transition to a memory state. BATF3 induces Th9 cell differentiation by binding to the IL-9 promoter through a BATF3/IRF4 complex. One of the latest research findings is the oncogenic function of BATF3, which has been approved and illustrated in several biological processes of proliferation and invasion.
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Affiliation(s)
- Reza Dabbaghipour
- Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Elham Ahmadi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mona Entezam
- Department of Medical Genetics, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Omid Rahbar Farzam
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sepideh Sohrabi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sajjad Jamali
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ali Saber Sichani
- Department of Medical Genetics, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Biology, Texas A&M University, College Station, TX, 77843, USA
| | - Hadi Paydar
- Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
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Chung HK, Liu C, Sun M, Casillas E, Chen T, Chick B, Wang J, Ma S, Mcdonald B, He P, Yang Q, Varanasi SK, Mann T, Chen D, Hoffmann F, Tripple V, Hang Y, Ho J, Cho UH, Williams A, Wang Y, Hargreaves D, Kaech SM, Wang W. Multiomics atlas-assisted discovery of transcription factors enables specific cell state programming. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.03.522354. [PMID: 36711632 PMCID: PMC9881845 DOI: 10.1101/2023.01.03.522354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The same types of cells can assume diverse states with varying functionalities. Effective cell therapy can be achieved by specifically driving a desirable cell state, which requires the elucidation of key transcription factors (TFs). Here, we integrated epigenomic and transcriptomic data at the systems level to identify TFs that define different CD8 + T cell states in an unbiased manner. These TF profiles can be used for cell state programming that aims to maximize the therapeutic potential of T cells. For example, T cells can be programmed to avoid a terminal exhaustion state (Tex Term ), a dysfunctional T cell state that is often found in tumors or chronic infections. However, Tex Term exhibits high similarity with the beneficial tissue-resident memory T states (T RM ) in terms of their locations and transcription profiles. Our bioinformatic analysis predicted Zscan20 , a novel TF, to be uniquely active in Tex Term . Consistently, Zscan20 knock-out thwarted the differentiation of Tex Term in vivo , but not that of T RM . Furthermore, perturbation of Zscan20 programs T cells into an effector-like state that confers superior tumor and virus control and synergizes with immune checkpoint therapy. We also identified Jdp2 and Nfil3 as powerful Tex Term drivers. In short, our multiomics-based approach discovered novel TFs that enhance anti-tumor immunity, and enable highly effective cell state programming. One sentence summary Multiomics atlas enables the systematic identification of cell-state specifying transcription factors for therapeutic cell state programming.
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Adir O, Sagi-Assif O, Meshel T, Ben-Menachem S, Pasmanik-Chor M, Hoon DSB, Witz IP, Izraely S. Heterogeneity in the Metastatic Microenvironment: JunB-Expressing Microglia Cells as Potential Drivers of Melanoma Brain Metastasis Progression. Cancers (Basel) 2023; 15:4979. [PMID: 37894348 PMCID: PMC10605008 DOI: 10.3390/cancers15204979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 10/02/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
Reciprocal signaling between melanoma brain metastatic (MBM) cells and microglia reprograms the phenotype of both interaction partners, including upregulation of the transcription factor JunB in microglia. Here, we aimed to elucidate the impact of microglial JunB upregulation on MBM progression. For molecular profiling, we employed RNA-seq and reverse-phase protein array (RPPA). To test microglial JunB functions, we generated microglia variants stably overexpressing JunB (JunBhi) or with downregulated levels of JunB (JunBlo). Melanoma-derived factors, namely leukemia inhibitory factor (LIF), controlled JunB upregulation through Janus kinase (JAK)/signal transducer and activator of transcription 3 (STAT3) signaling. The expression levels of JunB in melanoma-associated microglia were heterogeneous. Flow cytometry analysis revealed the existence of basal-level JunB-expressing microglia alongside microglia highly expressing JunB. Proteomic profiling revealed a differential protein expression in JunBhi and JunBlo cells, namely the expression of microglia activation markers Iba-1 and CD150, and the immunosuppressive molecules SOCS3 and PD-L1. Functionally, JunBhi microglia displayed decreased migratory capacity and phagocytic activity. JunBlo microglia reduced melanoma proliferation and migration, while JunBhi microglia preserved the ability of melanoma cells to proliferate in three-dimensional co-cultures, that was abrogated by targeting leukemia inhibitory factor receptor (LIFR) in control microglia-melanoma spheroids. Altogether, these data highlight a melanoma-mediated heterogenous effect on microglial JunB expression, dictating the nature of their functional involvement in MBM progression. Targeting microglia highly expressing JunB may potentially be utilized for MBM theranostics.
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Affiliation(s)
- Orit Adir
- The Shmunis School of Biomedicine and Cancer Research, The George S. Wise Faculty of Life Science, Tel Aviv University, Tel Aviv 6997801, Israel; (O.A.); (O.S.-A.); (T.M.); (S.B.-M.); (I.P.W.)
| | - Orit Sagi-Assif
- The Shmunis School of Biomedicine and Cancer Research, The George S. Wise Faculty of Life Science, Tel Aviv University, Tel Aviv 6997801, Israel; (O.A.); (O.S.-A.); (T.M.); (S.B.-M.); (I.P.W.)
| | - Tsipi Meshel
- The Shmunis School of Biomedicine and Cancer Research, The George S. Wise Faculty of Life Science, Tel Aviv University, Tel Aviv 6997801, Israel; (O.A.); (O.S.-A.); (T.M.); (S.B.-M.); (I.P.W.)
| | - Shlomit Ben-Menachem
- The Shmunis School of Biomedicine and Cancer Research, The George S. Wise Faculty of Life Science, Tel Aviv University, Tel Aviv 6997801, Israel; (O.A.); (O.S.-A.); (T.M.); (S.B.-M.); (I.P.W.)
| | - Metsada Pasmanik-Chor
- Bioinformatics Unit, The George S. Wise Faculty of Life Science, Tel Aviv University, Tel Aviv 6997801, Israel;
| | - Dave S. B. Hoon
- Department of Translational Molecular Medicine, Saint John’s Cancer Institute, Providence Saint John’s Health Center, Santa Monica, CA 90404, USA;
| | - Isaac P. Witz
- The Shmunis School of Biomedicine and Cancer Research, The George S. Wise Faculty of Life Science, Tel Aviv University, Tel Aviv 6997801, Israel; (O.A.); (O.S.-A.); (T.M.); (S.B.-M.); (I.P.W.)
| | - Sivan Izraely
- The Shmunis School of Biomedicine and Cancer Research, The George S. Wise Faculty of Life Science, Tel Aviv University, Tel Aviv 6997801, Israel; (O.A.); (O.S.-A.); (T.M.); (S.B.-M.); (I.P.W.)
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Maruyama K. Senso-immunology: The Emerging Connection between Pain and Immunity. Keio J Med 2023; 72:77-87. [PMID: 37460327 DOI: 10.2302/kjm.2022-0037-ir] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
The sensory and immune systems have been studied independently for a long time, whereas the interaction between the two has received little attention. We have carried out research to understand the interaction between the sensory and immune systems and have found that inflammation and bone destruction caused by fungal infection are suppressed by nociceptors. Furthermore, we have elucidated the molecular mechanism whereby fungal receptors are expressed on nociceptors and skin epithelium, how they cooperate to generate fungal pain, and how colitis and bone metabolism are regulated by mechanosensors expressed on the gut epithelium. Recently, we found that nociceptors prevent septic death by inhibiting microglia via nociceptor-derived hormones. This review summarizes our current state of knowledge on pain biology and outlines the mechanisms whereby pain and immunity interact. Our findings indicate that the sensory and immune systems share a variety of molecules and interact with each other to regulate our pathological and homeostatic conditions. This prompted us to advocate the interdisciplinary science named "senso-immunology," and this emerging field is expected to generate new ideas in both physiology and immunology, leading to the development of novel drugs to treat pain and inflammation.
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Affiliation(s)
- Kenta Maruyama
- National Institute for Physiological Sciences, Okazaki, Japan
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Wuputra K, Tsai MH, Kato K, Ku CC, Pan JB, Yang YH, Saito S, Wu CC, Lin YC, Cheng KH, Kuo KK, Noguchi M, Nakamura Y, Yoshioka T, Wu DC, Lin CS, Yokoyama KK. Jdp2 is a spatiotemporal transcriptional activator of the AhR via the Nrf2 gene battery. Inflamm Regen 2023; 43:42. [PMID: 37596694 PMCID: PMC10436584 DOI: 10.1186/s41232-023-00290-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 07/06/2023] [Indexed: 08/20/2023] Open
Abstract
BACKGROUND Crosstalk between the aryl hydrocarbon receptor (AhR) and nuclear factor (erythroid-derived 2)-like 2 (Nrf2) signaling is called the "AhR-Nrf2 gene battery", which works synergistically in detoxification to support cell survival. Nrf2-dependent phase II gene promoters are controlled by coordinated recruitment of the AhR to adjacent dioxin responsive element (DRE) and Nrf2 recruitment to the antioxidative response element (ARE). The molecular interaction between AhR and Nrf2 members, and the regulation of each target, including phase I and II gene complexes, and their mediators are poorly understood. METHODS Knockdown and forced expression of AhR-Nrf2 battery members were used to examine the molecular interactions between the AhR-Nrf2 axis and AhR promoter activation. Sequential immunoprecipitation, chromatin immunoprecipitation, and histology were used to identify each protein complex recruited to their respective cis-elements in the AhR promoter. Actin fiber distribution, cell spreading, and invasion were examined to identify functional differences in the AhR-Jdp2 axis between wild-type and Jdp2 knockout cells. The possible tumorigenic role of Jdp2 in the AhR-Nrf2 axis was examined in mutant Kras-Trp53-driven pancreatic tumors. RESULTS Crosstalk between AhR and Nrf2 was evident at the transcriptional level. The AhR promoter was activated by phase I ligands such as 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) through the AhR-Jdp2-Nrf2 axis in a time- and spatial transcription-dependent manner. Jdp2 was a bifunctional activator of DRE- and ARE-mediated transcription in response to TCDD. After TCDD exposure, Jdp2 activated the AhR promoter at the DRE and then moved to the ARE where it activated the promoter to increase reactive oxygen species (ROS)-mediated functions such as cell spreading and invasion in normal cells, and cancer regression in mutant Kras-Trp53-driven pancreatic tumor cells. CONCLUSIONS Jdp2 plays a critical role in AhR promoter activation through the AhR-Jdp2-Nrf2 axis in a spatiotemporal manner. The AhR functions to maintain ROS balance and cell spreading, invasion, and cancer regression in a mouse model of mutant Kras-Trp53 pancreatic cancer. These findings provide new insights into the roles of Jdp2 in the homeostatic regulation of oxidative stress and in the antioxidation response in detoxification, inflammation, and cancer progression.
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Affiliation(s)
- Kenly Wuputra
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, 80756, Taiwan
| | - Ming-Ho Tsai
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, 80756, Taiwan
| | - Kohsuke Kato
- Department of Infection Biology, Graduate School of Comprehensive Human Sciences, the University of Tsukuba, Tsukuba, 305-8577, Japan
| | - Chia-Chen Ku
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, 80756, Taiwan
| | - Jia-Bin Pan
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, 80756, Taiwan
| | - Ya-Han Yang
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, 80756, Taiwan
- Division of General & Digestive Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, 80756, Taiwan
| | - Shigeo Saito
- Saito Laboratory of Cell Technology, Yaita, Tochigi, 329-1571, Japan
| | - Chun-Chieh Wu
- Department of Pathology, Kaohsiung Medical University Hospital, Kaohsiung, 80756, Taiwan
| | - Ying-Chu Lin
- School of Dentistry, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
| | - Kuang-Hung Cheng
- Department of Biological Sciences, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan
| | - Kung-Kai Kuo
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, 80756, Taiwan
- Division of General & Digestive Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, 80756, Taiwan
| | - Michiya Noguchi
- Cell Engineering Division, BioResource Research Center, Tsukuba, Ibaraki, 305-0074, Japan
| | - Yukio Nakamura
- Cell Engineering Division, BioResource Research Center, Tsukuba, Ibaraki, 305-0074, Japan
| | - Tohru Yoshioka
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
| | - Deng-Chyang Wu
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, 80756, Taiwan
- Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung, 80756, Taiwan
| | - Chang-Shen Lin
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan.
- Department of Biological Sciences, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan.
| | - Kazunari K Yokoyama
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan.
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan.
- Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, 80756, Taiwan.
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8
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Rodríguez TC, Kwan S, Smith JL, Dadafarin S, Wu CH, Sontheimer EJ, Xue W. Multiomics characterization of mouse hepatoblastoma identifies yes-associated protein 1 target genes. Hepatology 2023; 78:58-71. [PMID: 35932276 PMCID: PMC10205091 DOI: 10.1002/hep.32713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 08/01/2022] [Accepted: 08/02/2022] [Indexed: 12/08/2022]
Abstract
BACKGROUND AND AIMS Hepatoblastoma (HB) is the most common primary liver malignancy in childhood and lacks targeted therapeutic options. We previously engineered, to our knowledge, the first yes-associated protein 1 (YAP1) S127A -inducible mouse model of HB, demonstrating tumor regression and redifferentiation after YAP1 withdrawal through genome-wide enhancer modulation. Probing accessibility, transcription, and YAP1 binding at regulatory elements in HB tumors may provide more insight into YAP1-driven tumorigenesis and expose exploitable vulnerabilities in HB. APPROACH AND RESULTS Using a multiomics approach, we integrated high-throughput transcriptome and chromatin profiling of our murine HB model to identify dynamic activity at candidate cis -regulatory elements (cCREs). We observed that 1301 of 305,596 cCREs exhibit "tumor-modified" (TM) accessibility in HB. We mapped 241 TM enhancers to corresponding genes using accessibility and histone H3K27Ac profiles. Anti-YAP1 cleavage under targets and tagmentation in tumors revealed 66 YAP1-bound TM cCRE/gene pairs, 31 of which decrease expression after YAP1 withdrawal. We validated the YAP1-dependent expression of a putative YAP1 target, Jun dimerization protein 2 (JDP2), in human HB cell lines using YAP1 and LATS1/2 small interfering RNA knockdown. We also confirmed YAP1-induced activity of the Jdp2 TM enhancer in vitro and discovered an analogous human enhancer in silico. Finally, we used transcription factor (TF) footprinting to identify putative YAP1 cofactors and characterize HB-specific TF activity genome wide. CONCLUSIONS Our chromatin-profiling techniques define the regulatory frameworks underlying HB and identify YAP1-regulated gene/enhancer pairs. JDP2 is an extensively validated target with YAP1-dependent expression in human HB cell lines and hepatic malignancies.
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Affiliation(s)
- Tomás C. Rodríguez
- RNA Therapeutics Institute, University of Massachusetts Medical School, Worcester, MA 01605
| | - SuetYan Kwan
- RNA Therapeutics Institute, University of Massachusetts Medical School, Worcester, MA 01605
| | - Jordan L. Smith
- RNA Therapeutics Institute, University of Massachusetts Medical School, Worcester, MA 01605
| | | | - Chern-Horng Wu
- Division of Internal Medicine and Primary Care, Tufts Medical Center, 800 Washington, Boston, MA, 02111
| | - Erik J. Sontheimer
- RNA Therapeutics Institute, University of Massachusetts Medical School, Worcester, MA 01605
| | - Wen Xue
- RNA Therapeutics Institute, University of Massachusetts Medical School, Worcester, MA 01605
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9
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Murray MJ, Bradley E, Ng Y, Thomas O, Patel K, Angus C, Atkinson C, Reeves MB. In silico interrogation of the miRNAome of infected hematopoietic cells to predict processes important for human cytomegalovirus latent infection. J Biol Chem 2023; 299:104727. [PMID: 37080390 PMCID: PMC10206818 DOI: 10.1016/j.jbc.2023.104727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 04/14/2023] [Accepted: 04/16/2023] [Indexed: 04/22/2023] Open
Abstract
Human cytomegalovirus (HCMV) latency in CD34+ progenitor cells is the outcome of a complex and continued interaction of virus and host that is initiated during very early stages of infection and reflects pro- and anti-viral activity. We hypothesized that a key event during early infection could involve changes to host miRNAs, allowing for rapid modulation of the host proteome. Here, we identify 72 significantly upregulated miRNAs and three that were downregulated by 6hpi of infection of CD34+ cells which were then subject to multiple in silico analyses to identify potential genes and pathways important for viral infection. The analyses focused on the upregulated miRNAs and were used to predict potential gene hubs or common mRNA targets of multiple miRNAs. Constitutive deletion of one target, the transcriptional regulator JDP2, resulted in a defect in latent infection of myeloid cells; interestingly, transient knockdown in differentiated dendritic cells resulted in increased viral lytic IE gene expression, arguing for subtle differences in the role of JDP2 during latency establishment and reactivation of HCMV. Finally, in silico predictions identified clusters of genes with related functions (such as calcium signaling, ubiquitination, and chromatin modification), suggesting potential importance in latency and reactivation. Consistent with this hypothesis, we demonstrate that viral IE gene expression is sensitive to calcium channel inhibition in reactivating dendritic cells. In conclusion, we demonstrate HCMV alters the miRNAome rapidly upon infection and that in silico interrogation of these changes reveals new insight into mechanisms controlling viral gene expression during HCMV latency and, intriguingly, reactivation.
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Affiliation(s)
- M J Murray
- Institute of Immunity & Transplantation, Division of Infection & Immunity, Royal Free Campus, UCL, London, United Kingdom.
| | - E Bradley
- Institute of Immunity & Transplantation, Division of Infection & Immunity, Royal Free Campus, UCL, London, United Kingdom
| | - Y Ng
- Institute of Immunity & Transplantation, Division of Infection & Immunity, Royal Free Campus, UCL, London, United Kingdom
| | - O Thomas
- Institute of Immunity & Transplantation, Division of Infection & Immunity, Royal Free Campus, UCL, London, United Kingdom
| | - K Patel
- Institute of Immunity & Transplantation, Division of Infection & Immunity, Royal Free Campus, UCL, London, United Kingdom
| | - C Angus
- Institute of Immunity & Transplantation, Division of Infection & Immunity, Royal Free Campus, UCL, London, United Kingdom
| | - C Atkinson
- Institute of Immunity & Transplantation, Division of Infection & Immunity, Royal Free Campus, UCL, London, United Kingdom
| | - M B Reeves
- Institute of Immunity & Transplantation, Division of Infection & Immunity, Royal Free Campus, UCL, London, United Kingdom.
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10
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Alonso CAI, David CD, Toufaily C, Wang Y, Zhou X, Ongaro L, Nudelman G, Nair VD, Ruf-Zamojski F, Boehm U, Sealfon SC, Bernard DJ. Activating Transcription Factor 3 Stimulates Follicle-Stimulating Hormone-β Expression In Vitro But Is Dispensable for Follicle-Stimulating Hormone Production in Murine Gonadotropes In Vivo. Endocrinology 2023; 164:bqad050. [PMID: 36951304 PMCID: PMC10282924 DOI: 10.1210/endocr/bqad050] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 03/07/2023] [Accepted: 03/21/2023] [Indexed: 03/24/2023]
Abstract
Follicle-stimulating hormone (FSH), a dimeric glycoprotein produced by pituitary gonadotrope cells, regulates spermatogenesis in males and ovarian follicle growth in females. Hypothalamic gonadotropin-releasing hormone (GnRH) stimulates FSHβ subunit gene (Fshb) transcription, though the underlying mechanisms are poorly understood. To address this gap in knowledge, we examined changes in pituitary gene expression in GnRH-deficient mice (hpg) treated with a regimen of exogenous GnRH that increases pituitary Fshb but not luteinizing hormone β (Lhb) messenger RNA levels. Activating transcription factor 3 (Atf3) was among the most upregulated genes. Activating transcription factor 3 (ATF3) can heterodimerize with members of the activator protein 1 family to regulate gene transcription. Co-expression of ATF3 with JunB stimulated murine Fshb, but not Lhb, promoter-reporter activity in homologous LβT2b cells. ATF3 also synergized with a constitutively active activin type I receptor to increase endogenous Fshb expression in these cells. Nevertheless, FSH production was intact in gonadotrope-specific Atf3 knockout [conditional knockout (cKO)] mice. Ovarian follicle development, ovulation, and litter sizes were equivalent between cKOs and controls. Testis weights and sperm counts did not differ between genotypes. Following gonadectomy, increases in LH secretion were enhanced in cKO animals. Though FSH levels did not differ between genotypes, post-gonadectomy increases in pituitary Fshb and gonadotropin α subunit expression were more pronounced in cKO than control mice. These data indicate that ATF3 can selectively stimulate Fshb expression in vitro but is not required for FSH production in vivo.
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Affiliation(s)
- Carlos A I Alonso
- Department of Pharmacology and Therapeutics, McGill University, Montreal, QC H3G 1Y6, Canada
| | - Caroline D David
- Department of Pharmacology and Therapeutics, McGill University, Montreal, QC H3G 1Y6, Canada
| | - Chirine Toufaily
- Department of Pharmacology and Therapeutics, McGill University, Montreal, QC H3G 1Y6, Canada
| | - Ying Wang
- Department of Pharmacology and Therapeutics, McGill University, Montreal, QC H3G 1Y6, Canada
| | - Xiang Zhou
- Department of Pharmacology and Therapeutics, McGill University, Montreal, QC H3G 1Y6, Canada
| | - Luisina Ongaro
- Department of Pharmacology and Therapeutics, McGill University, Montreal, QC H3G 1Y6, Canada
| | - German Nudelman
- Department of Neurology, Center for Advanced Research on Diagnostic Assay, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Venugopalan D Nair
- Department of Neurology, Center for Advanced Research on Diagnostic Assay, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Frederique Ruf-Zamojski
- Department of Neurology, Center for Advanced Research on Diagnostic Assay, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Ulrich Boehm
- Department of Experimental Pharmacology, Center for Molecular Signaling, Saarland University School of Medicine, Homburg 66421, Germany
| | - Stuart C Sealfon
- Department of Neurology, Center for Advanced Research on Diagnostic Assay, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Daniel J Bernard
- Department of Pharmacology and Therapeutics, McGill University, Montreal, QC H3G 1Y6, Canada
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11
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Gao Z, Jiang C, Zhang J, Jiang X, Li L, Zhao P, Yang H, Huang Y, Li J. Hierarchical graph learning for protein-protein interaction. Nat Commun 2023; 14:1093. [PMID: 36841846 PMCID: PMC9968329 DOI: 10.1038/s41467-023-36736-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 02/14/2023] [Indexed: 02/27/2023] Open
Abstract
Protein-Protein Interactions (PPIs) are fundamental means of functions and signalings in biological systems. The massive growth in demand and cost associated with experimental PPI studies calls for computational tools for automated prediction and understanding of PPIs. Despite recent progress, in silico methods remain inadequate in modeling the natural PPI hierarchy. Here we present a double-viewed hierarchical graph learning model, HIGH-PPI, to predict PPIs and extrapolate the molecular details involved. In this model, we create a hierarchical graph, in which a node in the PPI network (top outside-of-protein view) is a protein graph (bottom inside-of-protein view). In the bottom view, a group of chemically relevant descriptors, instead of the protein sequences, are used to better capture the structure-function relationship of the protein. HIGH-PPI examines both outside-of-protein and inside-of-protein of the human interactome to establish a robust machine understanding of PPIs. This model demonstrates high accuracy and robustness in predicting PPIs. Moreover, HIGH-PPI can interpret the modes of action of PPIs by identifying important binding and catalytic sites precisely. Overall, "HIGH-PPI [ https://github.com/zqgao22/HIGH-PPI ]" is a domain-knowledge-driven and interpretable framework for PPI prediction studies.
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Affiliation(s)
- Ziqi Gao
- Data Science and Analytics, The Hong Kong University of Science and Technology, Guangzhou, 511400, China.,Division of Emerging Interdisciplinary Areas, The Hong Kong University of Science and Technology, Hong Kong SAR, China
| | - Chenran Jiang
- Pingshan Translational Medicine Center, Shenzhen Bay Laboratory, Shenzhen, 518118, China
| | - Jiawen Zhang
- Data Science and Analytics, The Hong Kong University of Science and Technology, Guangzhou, 511400, China
| | - Xiaosen Jiang
- The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Chinese Academy of Sciences, Hangzhou, 310022, China
| | - Lanqing Li
- AI Lab, Tencent, Shenzhen, 518000, China
| | | | - Huanming Yang
- The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Chinese Academy of Sciences, Hangzhou, 310022, China
| | - Yong Huang
- Department of Chemistry, The Hong Kong University of Science and Technology, Hong Kong SAR, China.
| | - Jia Li
- Data Science and Analytics, The Hong Kong University of Science and Technology, Guangzhou, 511400, China. .,Division of Emerging Interdisciplinary Areas, The Hong Kong University of Science and Technology, Hong Kong SAR, China.
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12
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Jiang P, Zhang Z, Hu Y, Liang Z, Han Y, Li X, Zeng X, Zhang H, Zhu M, Dong J, Huang H, Qian P. Single-cell ATAC-seq maps the comprehensive and dynamic chromatin accessibility landscape of CAR-T cell dysfunction. Leukemia 2022; 36:2656-2668. [PMID: 35962059 DOI: 10.1038/s41375-022-01676-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 07/28/2022] [Accepted: 08/01/2022] [Indexed: 11/09/2022]
Abstract
Chimeric antigen receptor T cells (CAR-T) therapy has achieved remarkable therapeutic success in treating a variety of hematopoietic malignancies. However, the high relapse rate and poor in vivo persistence, partially caused by CAR-T cell exhaustion, are still important barriers against CAR-T therapy. It remains largely elusive on the mechanisms of CAR-T exhaustion and how to attenuate exhaustion to achieve better therapeutic efficacy. In this study, we initially observed that CAR-T cells showed rapid differentiation and increased exhaustion after co-culture with tumor cells in vitro, and then performed single-cell ATAC-seq to depict the comprehensive and dynamic landscape of chromatin accessibility of CAR-T cells during tumor cell stimulation. Analyses of differential chromatin accessible regions and motif accessibility revealed that TFs were distinct in each cell type and reconstituted a coordinated regulatory network to drive CAR-T exhaustion. Furthermore, we performed scATAC-seq in patient-derived CAR-T cells and identified BATF and IRF4 as pivotal regulators in CAR-T cell exhaustion. Finally, knockdown of BATF or IRF4 enhanced the killing ability, inhibited exhaustion, and prolonged the persistence of CAR-T cells in vivo. Together, our study unraveled the epigenetic regulatory mechanisms of CAR-T exhaustion and provided new insights into CAR-T engineering to achieve better clinical treatment benefits.
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Affiliation(s)
- Penglei Jiang
- Center of Stem Cell and Regenerative Medicine, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China.,Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China.,Institute of Hematology, Zhejiang University & Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058, China
| | - Zhaoru Zhang
- Center of Stem Cell and Regenerative Medicine, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China.,Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China.,Institute of Hematology, Zhejiang University & Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058, China
| | - Yongxian Hu
- Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China.,Institute of Hematology, Zhejiang University & Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058, China.,Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, Zhejiang, China
| | - Zuyu Liang
- Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China.,Institute of Hematology, Zhejiang University & Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058, China.,Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, Zhejiang, China
| | - Yingli Han
- Center of Stem Cell and Regenerative Medicine, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China.,Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China.,Institute of Hematology, Zhejiang University & Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058, China
| | - Xia Li
- Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China.,Institute of Hematology, Zhejiang University & Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058, China.,Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, Zhejiang, China
| | - Xin Zeng
- Center of Stem Cell and Regenerative Medicine, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China.,Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China.,Institute of Hematology, Zhejiang University & Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058, China
| | - Hao Zhang
- Department of Hematology, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, Zhejiang, China
| | - Meng Zhu
- Center of Stem Cell and Regenerative Medicine, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China.,Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China.,Institute of Hematology, Zhejiang University & Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058, China
| | - Jian Dong
- Center of Stem Cell and Regenerative Medicine, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China.,Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China.,Institute of Hematology, Zhejiang University & Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058, China
| | - He Huang
- Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China. .,Institute of Hematology, Zhejiang University & Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058, China. .,Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, Zhejiang, China.
| | - Pengxu Qian
- Center of Stem Cell and Regenerative Medicine, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China. .,Liangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, 311121, China. .,Institute of Hematology, Zhejiang University & Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058, China.
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13
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Kubra K, Gaddu GK, Liongue C, Heidary S, Ward AC, Dhillon AS, Basheer F. Phylogenetic and Expression Analysis of Fos Transcription Factors in Zebrafish. Int J Mol Sci 2022; 23:ijms231710098. [PMID: 36077499 PMCID: PMC9456341 DOI: 10.3390/ijms231710098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Revised: 08/28/2022] [Accepted: 08/30/2022] [Indexed: 11/16/2022] Open
Abstract
Members of the FOS protein family regulate gene expression responses to a multitude of extracellular signals and are dysregulated in several pathological states. Whilst mouse genetic models have provided key insights into the tissue-specific functions of these proteins in vivo, little is known about their roles during early vertebrate embryonic development. This study examined the potential of using zebrafish as a model for such studies and, more broadly, for investigating the mechanisms regulating the functions of Fos proteins in vivo. Through phylogenetic and sequence analysis, we identified six zebrafish FOS orthologues, fosaa, fosab, fosb, fosl1a, fosl1b, and fosl2, which show high conservation in key regulatory domains and post-translational modification sites compared to their equivalent human proteins. During embryogenesis, zebrafish fos genes exhibit both overlapping and distinct spatiotemporal patterns of expression in specific cell types and tissues. Most fos genes are also expressed in a variety of adult zebrafish tissues. As in humans, we also found that expression of zebrafish FOS orthologs is induced by oncogenic BRAF-ERK signalling in zebrafish melanomas. These findings suggest that zebrafish represent an alternate model to mice for investigating the regulation and functions of Fos proteins in vertebrate embryonic and adult tissues, and cancer.
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Affiliation(s)
- Khadizatul Kubra
- School of Medicine, Deakin University, Geelong, VIC 3216, Australia
| | - Gurveer K. Gaddu
- School of Medicine, Deakin University, Geelong, VIC 3216, Australia
| | - Clifford Liongue
- School of Medicine, Deakin University, Geelong, VIC 3216, Australia
- Institute of Mental and Physical Health and Clinical Translation, Deakin University, Geelong, VIC 3216, Australia
| | - Somayyeh Heidary
- School of Medicine, Deakin University, Geelong, VIC 3216, Australia
| | - Alister C. Ward
- School of Medicine, Deakin University, Geelong, VIC 3216, Australia
- Institute of Mental and Physical Health and Clinical Translation, Deakin University, Geelong, VIC 3216, Australia
| | - Amardeep S. Dhillon
- School of Medicine, Deakin University, Geelong, VIC 3216, Australia
- Institute of Mental and Physical Health and Clinical Translation, Deakin University, Geelong, VIC 3216, Australia
- Olivia Newton-John Cancer Research Institute, Melbourne, VIC 3084, Australia
- School of Cancer Medicine, LaTrobe University, Melbourne, VIC 3086, Australia
- Correspondence: (A.S.D.); (F.B.)
| | - Faiza Basheer
- School of Medicine, Deakin University, Geelong, VIC 3216, Australia
- Institute of Mental and Physical Health and Clinical Translation, Deakin University, Geelong, VIC 3216, Australia
- Correspondence: (A.S.D.); (F.B.)
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14
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Du T, Zhang K, Zhang Z, Guo A, Yu G, Xu Y. ITGBL1 transcriptionally inhibited by JDP2 promotes the development of pancreatic cancer through the TGF-beta/Smad pathway. Braz J Med Biol Res 2022; 55:e11989. [PMID: 35584452 PMCID: PMC9113530 DOI: 10.1590/1414-431x2022e11989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 02/23/2022] [Indexed: 12/24/2022] Open
Abstract
Pancreatic cancer (PC) is one of the malignant tumors with the worst prognosis worldwide because of a lack of early diagnostic markers and efficient therapies. Integrin, beta-like 1 (ITGBL1) is a β-integrin-related extracellular matrix protein and is reported to promote progression of some types of cancer. Nevertheless, the function of ITGBL1 in PC is still not clear. Herein, we found that ITGBL1 was highly expressed in PC tissues compared to normal tissues (P<0.05) and PC patients with higher TGBL1 expression showed worse prognosis. PANC-1 and AsPC-1 cells were used for gain/loss-of-function experiments. We found that ITGBL1-silenced cells exhibited decreased proliferation, migration, and invasion abilities and delayed cell cycle, whereas ITGBL1 overexpression reversed these malignant behaviors. ITGBL1 was also demonstrated to activate the TGF-β/Smad pathway, a key signaling pathway in PC progression. Additionally, ITGBL1 expression was found to be suppressed by a suppressor of PC progression, c-Jun dimerization protein 2 (JDP2). Results of dual-luciferase assay indicated that transcription factor JDP2 could inhibit TGBL1 promoter activity. ITGBL1 overexpression inversed the effects of JDP2 up-regulation on cell function. Collectively, we concluded that ITGBL1 may be transcriptionally suppressed by JDP2 and promote PC progression through the TGF-β/Smad pathway, indicating that ITGBL1 may have therapeutic potential for the treatment of PC.
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Affiliation(s)
- Tiancong Du
- Department of Pancreatic and Biliary Surgery, The First Hospital of China Medical University, Shenyang, Liaoning, China.,Department of Anorectal Surgery, Panjin Central Hospital, Panjin, Liaoning, China
| | - Ke Zhang
- Department of Pancreatic and Biliary Surgery, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Zhongbo Zhang
- Department of Pancreatic and Biliary Surgery, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Aijia Guo
- Department of Pancreatic and Biliary Surgery, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Guilin Yu
- Department of Pancreatic and Biliary Surgery, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yuanhong Xu
- Department of Pancreatic and Biliary Surgery, The First Hospital of China Medical University, Shenyang, Liaoning, China
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15
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Pan D. The unfolding of the Hippo signaling pathway. Dev Biol 2022; 487:1-9. [PMID: 35405135 DOI: 10.1016/j.ydbio.2022.04.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/31/2022] [Accepted: 04/05/2022] [Indexed: 12/15/2022]
Abstract
The development of a functional organ requires not only patterning mechanisms that confer proper identities to individual cells, but also growth-regulatory mechanisms that specify the final size of the organ. At the turn of the 21st century, comprehensive genetic screens in model organisms had successfully uncovered the major signaling pathways that mediate pattern formation in metazoans. In contrast, signaling pathways dedicated to growth control were less explored. The past two decades has witnessed the emergence of the Hippo signaling pathway as a central mediator of organ size control through coordinated regulation of cell proliferation and apoptosis. Here I reflect on the early discoveries in Drosophila that elucidated the core kinase cascade and transcriptional machinery of the Hippo pathway, highlight its deep evolutionary conservation from humans to unicellular relatives of metazoan, and discuss the complex regulation of Hippo signaling by upstream inputs. This historical perspective underscores the importance of model organisms in uncovering fundamental and universal mechanisms of life processes.
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Affiliation(s)
- Duojia Pan
- Department of Physiology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX, 75390-9040, USA.
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16
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Shetty A, Bhosale SD, Tripathi SK, Buchacher T, Biradar R, Rasool O, Moulder R, Galande S, Lahesmaa R. Interactome Networks of FOSL1 and FOSL2 in Human Th17 Cells. ACS OMEGA 2021; 6:24834-24847. [PMID: 34604665 PMCID: PMC8482465 DOI: 10.1021/acsomega.1c03681] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Indexed: 05/10/2023]
Abstract
Dysregulated function of Th17 cells has implications in immunodeficiencies and autoimmune disorders. Th17 cell differentiation is orchestrated by a complex network of transcription factors, including several members of the activator protein (AP-1) family. Among the latter, FOSL1 and FOSL2 modulate the effector functions of Th17 cells. However, the molecular mechanisms underlying these effects are unclear, owing to the poorly characterized protein interaction networks of FOSL factors. Here, we establish the first interactomes of FOSL1 and FOSL2 in human Th17 cells, using affinity purification-mass spectrometry analysis. In addition to the known JUN proteins, we identified several novel binding partners of FOSL1 and FOSL2. Gene ontology analysis found a significant fraction of these interactors to be associated with RNA-binding activity, which suggests new mechanistic links. Intriguingly, 29 proteins were found to share interactions with FOSL1 and FOSL2, and these included key regulators of Th17 fate. We further validated the binding partners identified in this study by using parallel reaction monitoring targeted mass spectrometry and other methods. Our study provides key insights into the interaction-based signaling mechanisms of FOSL proteins that potentially govern Th17 cell differentiation and associated pathologies.
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Affiliation(s)
- Ankitha Shetty
- Turku
Bioscience Centre, University of Turku and
Åbo Akademi University, Turku 20520, Finland
- InFLAMES
Research Flagship Center, University of
Turku, Turku 20520, Finland
- Centre
of Excellence in Epigenetics, Department of Biology, Indian Institute of Science Education and Research (IISER), Pune 411008, India
| | - Santosh D. Bhosale
- Turku
Bioscience Centre, University of Turku and
Åbo Akademi University, Turku 20520, Finland
- Protein
Research Group, Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense M 5230, Denmark
| | - Subhash Kumar Tripathi
- Turku
Bioscience Centre, University of Turku and
Åbo Akademi University, Turku 20520, Finland
| | - Tanja Buchacher
- Turku
Bioscience Centre, University of Turku and
Åbo Akademi University, Turku 20520, Finland
- InFLAMES
Research Flagship Center, University of
Turku, Turku 20520, Finland
| | - Rahul Biradar
- Turku
Bioscience Centre, University of Turku and
Åbo Akademi University, Turku 20520, Finland
- InFLAMES
Research Flagship Center, University of
Turku, Turku 20520, Finland
| | - Omid Rasool
- Turku
Bioscience Centre, University of Turku and
Åbo Akademi University, Turku 20520, Finland
- InFLAMES
Research Flagship Center, University of
Turku, Turku 20520, Finland
| | - Robert Moulder
- Turku
Bioscience Centre, University of Turku and
Åbo Akademi University, Turku 20520, Finland
- InFLAMES
Research Flagship Center, University of
Turku, Turku 20520, Finland
| | - Sanjeev Galande
- Centre
of Excellence in Epigenetics, Department of Biology, Indian Institute of Science Education and Research (IISER), Pune 411008, India
| | - Riitta Lahesmaa
- Turku
Bioscience Centre, University of Turku and
Åbo Akademi University, Turku 20520, Finland
- InFLAMES
Research Flagship Center, University of
Turku, Turku 20520, Finland
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17
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Liu Y, He J, Chen R, Liu H, Chen J, Liu Y, Wang B, Guo L, Pei D, Wang J, Liu J, Chen J. AP-1 activity is a major barrier of human somatic cell reprogramming. Cell Mol Life Sci 2021; 78:5847-5863. [PMID: 34181046 PMCID: PMC11072308 DOI: 10.1007/s00018-021-03883-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 05/09/2021] [Accepted: 06/18/2021] [Indexed: 10/21/2022]
Abstract
Human induced pluripotent stem cells (iPSCs) technology has been widely applied to cell regeneration and disease modeling. However, most mechanism of somatic reprogramming is studied on mouse system, which is not always generic in human. Consequently, the generation of human iPSCs remains inefficient. Here, we map the chromatin accessibility dynamics during the induction of human iPSCs from urine cells. Comparing to the mouse system, we found that the closing of somatic loci is much slower in human. Moreover, a conserved AP-1 motif is highly enriched among the closed loci. The introduction of AP-1 repressor, JDP2, enhances human reprogramming and facilitates the reactivation of pluripotent genes. However, ESRRB, KDM2B and SALL4, several known pluripotent factors promoting mouse somatic reprogramming fail to enhance human iPSC generation. Mechanistically, we reveal that JDP2 promotes the closing of somatic loci enriching AP-1 motifs to enhance human reprogramming. Furthermore, JDP2 can rescue reprogramming deficiency without MYC or KLF4. These results indicate AP-1 activity is a major barrier to prevent chromatin remodeling during somatic cell reprogramming.
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Affiliation(s)
- Yuting Liu
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China
| | - Jiangping He
- Center for Cell Lineage and Atlas (CCLA), Bioland Laboratory, Guangzhou Regenerative Medicine and Health GuangDong Laboratory , Guangzhou, 510005, China
| | - Ruhai Chen
- Joint School of Life Sciences, Guangzhou Medical University, Guangzhou, 511436, China
| | - He Liu
- Center for Cell Lineage and Atlas (CCLA), Bioland Laboratory, Guangzhou Regenerative Medicine and Health GuangDong Laboratory , Guangzhou, 510005, China
| | - Jocelyn Chen
- The Loomis Chaffee School, Windsor, CT, 06095, USA
| | - Yujian Liu
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China
| | - Bo Wang
- Center for Cell Lineage and Atlas (CCLA), Bioland Laboratory, Guangzhou Regenerative Medicine and Health GuangDong Laboratory , Guangzhou, 510005, China
| | - Lin Guo
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
- Center for Cell Lineage and Atlas (CCLA), Bioland Laboratory, Guangzhou Regenerative Medicine and Health GuangDong Laboratory , Guangzhou, 510005, China
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China
| | - Duanqing Pei
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
- Joint School of Life Sciences, Guangzhou Medical University, Guangzhou, 511436, China
- Center for Cell Lineage and Atlas (CCLA), Bioland Laboratory, Guangzhou Regenerative Medicine and Health GuangDong Laboratory , Guangzhou, 510005, China
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China
| | - Jie Wang
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China
| | - Jing Liu
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
- Center for Cell Lineage and Atlas (CCLA), Bioland Laboratory, Guangzhou Regenerative Medicine and Health GuangDong Laboratory , Guangzhou, 510005, China.
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China.
| | - Jiekai Chen
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
- Joint School of Life Sciences, Guangzhou Medical University, Guangzhou, 511436, China.
- Center for Cell Lineage and Atlas (CCLA), Bioland Laboratory, Guangzhou Regenerative Medicine and Health GuangDong Laboratory , Guangzhou, 510005, China.
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China.
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18
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Novoszel P, Drobits B, Holcmann M, Fernandes CDS, Tschismarov R, Derdak S, Decker T, Wagner EF, Sibilia M. The AP-1 transcription factors c-Jun and JunB are essential for CD8α conventional dendritic cell identity. Cell Death Differ 2021; 28:2404-2420. [PMID: 33758366 PMCID: PMC8329169 DOI: 10.1038/s41418-021-00765-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 02/17/2021] [Accepted: 02/24/2021] [Indexed: 01/31/2023] Open
Abstract
Dendritic cell (DC) development is orchestrated by lineage-determining transcription factors (TFs). Although, members of the activator-protein-1 (AP-1) family, including Batf3, have been implicated in conventional (c)DC specification, the role of Jun proteins is poorly understood. Here, we identified c-Jun and JunB as essential for cDC1 fate specification and function. In mice, Jun proteins regulate extrinsic and intrinsic pathways, which control CD8α cDC1 diversification, whereas CD103 cDC1 development is unaffected. The loss of c-Jun and JunB in DC progenitors diminishes the CD8α cDC1 pool and thus confers resistance to Listeria monocytogenes infection. Their absence in CD8α cDC1 results in impaired TLR triggering and antigen cross-presentation. Both TFs are required for the maintenance of the CD8α cDC1 subset and suppression of cDC2 identity on a transcriptional and phenotypic level. Taken together, these results demonstrate the essential role of c-Jun and JunB in CD8α cDC1 diversification, function, and maintenance of their identity.
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Affiliation(s)
- Philipp Novoszel
- Institute of Cancer Research, Department of Medicine I, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Barbara Drobits
- Institute of Cancer Research, Department of Medicine I, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Martin Holcmann
- Institute of Cancer Research, Department of Medicine I, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Cristiano De Sa Fernandes
- Institute of Cancer Research, Department of Medicine I, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Roland Tschismarov
- Department of Microbiology, Immunobiology and Genetics, Max Perutz Labs, University of Vienna, Vienna, Austria
| | - Sophia Derdak
- Core Facilities, Medical University of Vienna, Vienna, Austria
| | - Thomas Decker
- Department of Microbiology, Immunobiology and Genetics, Max Perutz Labs, University of Vienna, Vienna, Austria
| | - Erwin F Wagner
- Department of Dermatology and Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Maria Sibilia
- Institute of Cancer Research, Department of Medicine I, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria.
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19
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Ku CC, Wuputra K, Kato K, Pan JB, Li CP, Tsai MH, Noguchi M, Nakamura Y, Liu CJ, Chan TF, Hou MF, Wakana S, Wu YC, Lin CS, Wu DC, Yokoyama KK. Deletion of Jdp2 enhances Slc7a11 expression in Atoh-1 positive cerebellum granule cell progenitors in vivo. Stem Cell Res Ther 2021; 12:369. [PMID: 34187574 PMCID: PMC8243712 DOI: 10.1186/s13287-021-02424-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 05/27/2021] [Indexed: 11/24/2022] Open
Abstract
Background The cerebellum is the sensitive region of the brain to developmental abnormalities related to the effects of oxidative stresses. Abnormal cerebellar lobe formation, found in Jun dimerization protein 2 (Jdp2)-knockout (KO) mice, is related to increased antioxidant formation and a reduction in apoptotic cell death in granule cell progenitors (GCPs). Here, we aim that Jdp2 plays a critical role of cerebellar development which is affected by the ROS regulation and redox control. Objective Jdp2-promoter-Cre transgenic mouse displayed a positive signal in the cerebellum, especially within granule cells. Jdp2-KO mice exhibited impaired development of the cerebellum compared with wild-type (WT) mice. The antioxidation controlled gene, such as cystine-glutamate transporter Slc7a11, might be critical to regulate the redox homeostasis and the development of the cerebellum. Methods We generated the Jdp2-promoter-Cre mice and Jdp2-KO mice to examine the levels of Slc7a11, ROS levels and the expressions of antioxidation related genes were examined in the mouse cerebellum using the immunohistochemistry. Results The cerebellum of Jdp2-KO mice displayed expression of the cystine-glutamate transporter Slc7a11, within the internal granule layer at postnatal day 6; in contrast, the WT cerebellum mainly displayed Sla7a11 expression in the external granule layer. Moreover, development of the cerebellar lobes in Jdp2-KO mice was altered compared with WT mice. Expression of Slc7a11, Nrf2, and p21Cip1 was higher in the cerebellum of Jdp2-KO mice than in WT mice. Conclusion Jdp2 is a critical regulator of Slc7a11 transporter during the antioxidation response, which might control the growth, apoptosis, and differentiation of GCPs in the cerebellar lobes. These observations are consistent with our previous study in vitro. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02424-4.
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Affiliation(s)
- Chia-Chen Ku
- Graduate Institute of Medicine, Regenerative Medicine and Cell Therapy Research Center, School of Medicine, Kaohsiung Medical University, Kaohsiung, 807, Taiwan.,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, 807, Koahsiung, Taiwan
| | - Kenly Wuputra
- Graduate Institute of Medicine, Regenerative Medicine and Cell Therapy Research Center, School of Medicine, Kaohsiung Medical University, Kaohsiung, 807, Taiwan.,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, 807, Koahsiung, Taiwan
| | - Kohsuke Kato
- Department of Infection Biology, Graduate School of Comprehensive Human Sciences, The University of Tsukuba, Tsukuba, 305-8577, Japan
| | - Jia-Bin Pan
- Graduate Institute of Medicine, Regenerative Medicine and Cell Therapy Research Center, School of Medicine, Kaohsiung Medical University, Kaohsiung, 807, Taiwan.,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, 807, Koahsiung, Taiwan
| | - Chia-Pei Li
- Graduate Institute of Medicine, Regenerative Medicine and Cell Therapy Research Center, School of Medicine, Kaohsiung Medical University, Kaohsiung, 807, Taiwan.,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, 807, Koahsiung, Taiwan
| | - Ming-Ho Tsai
- Graduate Institute of Medicine, Regenerative Medicine and Cell Therapy Research Center, School of Medicine, Kaohsiung Medical University, Kaohsiung, 807, Taiwan.
| | - Michiya Noguchi
- Cell Engineering Division, Japan Mouse Clinic, RIKEN BioResource Research Center, Tsukuba, 305-0074, Japan
| | - Yukio Nakamura
- Cell Engineering Division, Japan Mouse Clinic, RIKEN BioResource Research Center, Tsukuba, 305-0074, Japan
| | - Chung-Jung Liu
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, 807, Koahsiung, Taiwan.,Department of Gastroenterology, Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, 807, Taiwan.,Division of gastroenterology, Department of Internal Medicine, Kaohsiung University Hospital, 807, Kaohsiung, Taiwan
| | - Te-Fu Chan
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung, 807, Taiwan
| | - Ming-Feng Hou
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung, 807, Taiwan
| | - Shigeharu Wakana
- Japan Mouse Clinic, RIKEN BioResource Research Center, Tsukuba, Ibaraki, 305-0074, Japan.,Department of Animal Experimentation, Foundation for Biomedical Research and Innovation at Kobe, Hygo, 650-0047, Japan
| | - Yang-Chang Wu
- Chinese Medicine Research and Development Center, China Medical University Hospital, Taichung, Taiwan
| | - Chang-Shen Lin
- Graduate Institute of Medicine, Regenerative Medicine and Cell Therapy Research Center, School of Medicine, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - Deng-Chyang Wu
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, 807, Koahsiung, Taiwan.,Department of Gastroenterology, Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, 807, Taiwan.,Division of gastroenterology, Department of Internal Medicine, Kaohsiung University Hospital, 807, Kaohsiung, Taiwan
| | - Kazunari K Yokoyama
- Graduate Institute of Medicine, Regenerative Medicine and Cell Therapy Research Center, School of Medicine, Kaohsiung Medical University, Kaohsiung, 807, Taiwan. .,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, 807, Koahsiung, Taiwan. .,Department of Gastroenterology, Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, 807, Taiwan.
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20
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Nakane T, Matsumoto S, Iida S, Ido A, Fukunaga K, Murao K, Sugiyama Y. Candidate plasticity gene 16 and jun dimerization protein 2 are involved in the suppression of insulin gene expression in rat pancreatic INS-1 β-cells. Mol Cell Endocrinol 2021; 527:111240. [PMID: 33676985 DOI: 10.1016/j.mce.2021.111240] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 02/24/2021] [Accepted: 03/01/2021] [Indexed: 11/22/2022]
Abstract
Chronic hyperglycemia causes pancreatic β-cell dysfunction, impaired insulin secretion and the suppression of insulin gene expression. This phenomenon is referred to as glucotoxicity, and is a critical component of the pathogenesis of type 2 diabetes. We previously reported that the expression of candidate plasticity gene 16 (CPG16) was higher in rat pancreatic INS-1 β-cells under glucotoxic conditions and CPG16 suppressed insulin promoter activity. However, the molecular mechanisms of the CPG16-mediated suppression of insulin gene expression are unclear. In this study, we found that CPG16 directly bound and phosphorylated jun dimerization protein 2 (JDP2), an AP-1 family transcription factor. CPG16 co-localized with JDP2 in the nucleus of INS-1 cells. JDP2 bound to the G1 element of the insulin promoter and up-regulated promoter activity. Finally, CPG16 suppressed the up-regulation of insulin promoter activity by JDP2 in a kinase activity-dependent manner. These results suggest that CPG16 suppresses insulin promoter activity by phosphorylating JDP2.
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Affiliation(s)
- Tatsuto Nakane
- Department of Life Sciences, Faculty of Agriculture, Kagawa University, Kagawa, Japan
| | - Suzuka Matsumoto
- Department of Life Sciences, Faculty of Agriculture, Kagawa University, Kagawa, Japan
| | - Satoshi Iida
- Department of Life Sciences, Faculty of Agriculture, Kagawa University, Kagawa, Japan
| | - Ayae Ido
- Department of Life Sciences, Faculty of Agriculture, Kagawa University, Kagawa, Japan
| | - Kensaku Fukunaga
- Department of Endocrinology and Metabolism, Faculty of Medicine, Kagawa University, Kagawa, Japan
| | - Koji Murao
- Department of Endocrinology and Metabolism, Faculty of Medicine, Kagawa University, Kagawa, Japan
| | - Yasunori Sugiyama
- Department of Life Sciences, Faculty of Agriculture, Kagawa University, Kagawa, Japan.
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21
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JDP2, a Novel Molecular Key in Heart Failure and Atrial Fibrillation? Int J Mol Sci 2021; 22:ijms22084110. [PMID: 33923401 PMCID: PMC8074072 DOI: 10.3390/ijms22084110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 04/08/2021] [Accepted: 04/15/2021] [Indexed: 11/17/2022] Open
Abstract
Heart failure (HF) and atrial fibrillation (AF) are two major life-threatening diseases worldwide. Causes and mechanisms are incompletely understood, yet current therapies are unable to stop disease progression. In this review, we focus on the contribution of the transcriptional modulator, Jun dimerization protein 2 (JDP2), and on HF and AF development. In recent years, JDP2 has been identified as a potential prognostic marker for HF development after myocardial infarction. This close correlation to the disease development suggests that JDP2 may be involved in initiation and progression of HF as well as in cardiac dysfunction. Although no studies have been done in humans yet, studies on genetically modified mice impressively show involvement of JDP2 in HF and AF, making it an interesting therapeutic target.
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22
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Wuputra K, Tsai MH, Kato K, Yang YH, Pan JB, Ku CC, Noguchi M, Kishikawa S, Nakade K, Chen HL, Liu CJ, Nakamura Y, Kuo KK, Lin YC, Chan TF, Wu DC, Hou MF, Huang SK, Lin CS, Yokoyama KK. Dimethyl sulfoxide stimulates the AhR-Jdp2 axis to control ROS accumulation in mouse embryonic fibroblasts. Cell Biol Toxicol 2021; 38:203-222. [PMID: 33723743 PMCID: PMC8986748 DOI: 10.1007/s10565-021-09592-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 02/21/2021] [Indexed: 11/21/2022]
Abstract
The aryl hydrocarbon receptor (AhR) is a ligand-binding protein that responds to environmental aromatic hydrocarbons and stimulates the transcription of downstream phase I enzyme–related genes by binding the cis element of dioxin-responsive elements (DREs)/xenobiotic-responsive elements. Dimethyl sulfoxide (DMSO) is a well-known organic solvent that is often used to dissolve phase I reagents in toxicology and oxidative stress research experiments. In the current study, we discovered that 0.1% DMSO significantly induced the activation of the AhR promoter via DREs and produced reactive oxygen species, which induced apoptosis in mouse embryonic fibroblasts (MEFs). Moreover, Jun dimerization protein 2 (Jdp2) was found to be required for activation of the AhR promoter in response to DMSO. Coimmunoprecipitation and chromatin immunoprecipitation studies demonstrated that the phase I–dependent transcription factors, AhR and the AhR nuclear translocator, and phase II–dependent transcription factors such as nuclear factor (erythroid-derived 2)–like 2 (Nrf2) integrated into DRE sites together with Jdp2 to form an activation complex to increase AhR promoter activity in response to DMSO in MEFs. Our findings provide evidence for the functional role of Jdp2 in controlling the AhR gene via Nrf2 and provide insights into how Jdp2 contributes to the regulation of ROS production and the cell spreading and apoptosis produced by the ligand DMSO in MEFs.
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Affiliation(s)
- Kenly Wuputra
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan.,School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Ming-Ho Tsai
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan.,School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Kohsuke Kato
- Department of Infection Biology, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Japan
| | - Ya-Han Yang
- Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.,Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Jia-Bin Pan
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan.,School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Chia-Chen Ku
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan.,School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Michiya Noguchi
- Cell Engineering Division, RIKEN BioResource Research Center, Tsukuba, Japan
| | - Shotaro Kishikawa
- Gene Engineering Division, RIKEN BioResource Research Center, Tsukuba, Ibaraki, Japan
| | - Koji Nakade
- Gene Engineering Division, RIKEN BioResource Research Center, Tsukuba, Ibaraki, Japan
| | - Hua-Ling Chen
- National Institute of Environmental Health, National Health Research Institutes, Zhunan, Taiwan
| | - Chung-Jung Liu
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan.,School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.,Department of Gastroenterology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Yukio Nakamura
- Cell Engineering Division, RIKEN BioResource Research Center, Tsukuba, Japan
| | - Kung-Kai Kuo
- Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.,Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Ying-Chu Lin
- School of Dentistry, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Te-Fu Chan
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Deng-Chyang Wu
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan.,School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.,Department of Gastroenterology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Ming-Feng Hou
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Shau-Ku Huang
- National Institute of Environmental Health, National Health Research Institutes, Zhunan, Taiwan.
| | - Chang-Shen Lin
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan. .,Department of Biological Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan.
| | - Kazunari K Yokoyama
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan. .,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan. .,School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan. .,Cell Therapy and Research Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
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23
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Engler MJ, Mimura J, Yamazaki S, Itoh K. JDP2 is directly regulated by ATF4 and modulates TRAIL sensitivity by suppressing the ATF4-DR5 axis. FEBS Open Bio 2020; 10:2771-2779. [PMID: 33108704 PMCID: PMC7714084 DOI: 10.1002/2211-5463.13017] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 10/16/2020] [Accepted: 10/20/2020] [Indexed: 02/06/2023] Open
Abstract
Jun dimerization protein 2 (JDP2) is a bZip‐type transcription factor, which acts as a repressor or activator of several cellular processes, including cell differentiation and chromatin remodeling. Previously, we found that a stress‐responsive transcription factor, known as activating transcription factor 4 (ATF4), enhances JDP2 gene expression in human astrocytoma U373MG and cervical cancer HeLa cells; however, the role of JDP2 in the ATF4‐mediated stress response remained unclear. Here, we reported that siRNA‐mediated JDP2 knockdown enhances the expression of several ATF4 target genes, including ASNS, and death receptors 4 and 5 (DR4 and DR5) in HeLa cells. In addition, the results of a transient reporter assay indicate that JDP2 overexpression represses ER stress‐mediated DR5 promoter activation suggesting that JDP2 negatively regulates ATF4‐mediated gene expression. Curiously, knockdown of JDP2 increases the sensitivity of cells to TNF‐related apoptosis‐inducing ligand (TRAIL), which induces apoptosis in cancer cells through DR4 and DR5. These results indicate that JDP2 functions as a negative feedback regulator of the ATF4 pathway and contributes to TRAIL resistance in cancer cells.
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Affiliation(s)
- Máté János Engler
- Department of Stress Response Science, Center for Advanced Medical Research, Hirosaki University Graduate School of Medicine, Japan
| | - Junsei Mimura
- Department of Stress Response Science, Center for Advanced Medical Research, Hirosaki University Graduate School of Medicine, Japan
| | - Shun Yamazaki
- Department of Stress Response Science, Center for Advanced Medical Research, Hirosaki University Graduate School of Medicine, Japan
| | - Ken Itoh
- Department of Stress Response Science, Center for Advanced Medical Research, Hirosaki University Graduate School of Medicine, Japan
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24
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Peng V, Georgescu C, Bakowska A, Pankow A, Qian L, Wren JD, Sun XH. E proteins orchestrate dynamic transcriptional cascades implicated in the suppression of the differentiation of group 2 innate lymphoid cells. J Biol Chem 2020; 295:14866-14877. [PMID: 32817168 DOI: 10.1074/jbc.ra120.013806] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 08/11/2020] [Indexed: 12/13/2022] Open
Abstract
Group 2 innate lymphoid cells (ILC2s) represent a subset of newly discovered immune cells that are involved in immune reactions against microbial pathogens, host allergic reactions, as well as tissue repair. The basic helix-loop-helix transcription factors collectively called E proteins powerfully suppress the differentiation of ILC2s from bone marrow and thymic progenitors while promoting the development of B and T lymphocytes. How E proteins exert the suppression is not well understood. Here we investigated the underlying molecular mechanisms using inducible gain and loss of function approaches in ILC2s and their precursors, respectively. Cross-examination of RNA-seq and ATAC sequencing data obtained at different time points reveals a set of genes that are likely direct targets of E proteins. Consequently, a widespread down-regulation of chromatin accessibility occurs at a later time point, possibly due to the activation of transcriptional repressor genes such as Cbfa2t3 and Jdp2 The large number of genes repressed by gain of E protein function leads to the down-regulation of a transcriptional network important for ILC2 differentiation.
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Affiliation(s)
- Vincent Peng
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Constantin Georgescu
- Program in Genes and Human Diseases, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma, USA
| | - Anna Bakowska
- Program in Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma, USA
| | - Aneta Pankow
- Program in Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma, USA
| | - Liangyue Qian
- Program in Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma, USA
| | - Jonathan D Wren
- Program in Genes and Human Diseases, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma, USA
| | - Xiao-Hong Sun
- Program in Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma, USA.
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25
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Wuputra K, Ku CC, Wu DC, Lin YC, Saito S, Yokoyama KK. Prevention of tumor risk associated with the reprogramming of human pluripotent stem cells. J Exp Clin Cancer Res 2020; 39:100. [PMID: 32493501 PMCID: PMC7268627 DOI: 10.1186/s13046-020-01584-0] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 04/22/2020] [Indexed: 02/07/2023] Open
Abstract
Human pluripotent embryonic stem cells have two special features: self-renewal and pluripotency. It is important to understand the properties of pluripotent stem cells and reprogrammed stem cells. One of the major problems is the risk of reprogrammed stem cells developing into tumors. To understand the process of differentiation through which stem cells develop into cancer cells, investigators have attempted to identify the key factors that generate tumors in humans. The most effective method for the prevention of tumorigenesis is the exclusion of cancer cells during cell reprogramming. The risk of cancer formation is dependent on mutations of oncogenes and tumor suppressor genes during the conversion of stem cells to cancer cells and on the environmental effects of pluripotent stem cells. Dissecting the processes of epigenetic regulation and chromatin regulation may be helpful for achieving correct cell reprogramming without inducing tumor formation and for developing new drugs for cancer treatment. This review focuses on the risk of tumor formation by human pluripotent stem cells, and on the possible treatment options if it occurs. Potential new techniques that target epigenetic processes and chromatin regulation provide opportunities for human cancer modeling and clinical applications of regenerative medicine.
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Affiliation(s)
- Kenly Wuputra
- Graduate Institute of Medicine, Kaohsiung Medical University, 100 Shih-Chuan 1st Rd., San-Ming District, Kaohsiung, 807, Taiwan
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University Hospital, Kaohsiung, 807, Taiwan
| | - Chia-Chen Ku
- Graduate Institute of Medicine, Kaohsiung Medical University, 100 Shih-Chuan 1st Rd., San-Ming District, Kaohsiung, 807, Taiwan
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University Hospital, Kaohsiung, 807, Taiwan
| | - Deng-Chyang Wu
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University Hospital, Kaohsiung, 807, Taiwan
- Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung, 807, Taiwan
| | - Ying-Chu Lin
- School of Dentistry, School of Medicine, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - Shigeo Saito
- Waseda University Research Institute for Science and Engineering, Shinjuku, Tokyo, 162-8480, Japan.
- Saito Laboratory of Cell Technology Institute, Yaita, Tochigi, 329-1571, Japan.
| | - Kazunari K Yokoyama
- Graduate Institute of Medicine, Kaohsiung Medical University, 100 Shih-Chuan 1st Rd., San-Ming District, Kaohsiung, 807, Taiwan.
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University Hospital, Kaohsiung, 807, Taiwan.
- Waseda University Research Institute for Science and Engineering, Shinjuku, Tokyo, 162-8480, Japan.
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26
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Ku CC, Wuputra K, Kato K, Lin WH, Pan JB, Tsai SC, Kuo CJ, Lee KH, Lee YL, Lin YC, Saito S, Noguchi M, Nakamura Y, Miyoshi H, Eckner R, Nagata K, Wu DC, Lin CS, Yokoyama KK. Jdp2-deficient granule cell progenitors in the cerebellum are resistant to ROS-mediated apoptosis through xCT/Slc7a11 activation. Sci Rep 2020; 10:4933. [PMID: 32188872 PMCID: PMC7080836 DOI: 10.1038/s41598-020-61692-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 02/26/2020] [Indexed: 12/12/2022] Open
Abstract
The Jun dimerization protein 2 (Jdp2) is expressed predominantly in granule cell progenitors (GCPs) in the cerebellum, as was shown in Jdp2-promoter-Cre transgenic mice. Cerebellum of Jdp2-knockout (KO) mice contains lower number of Atoh-1 positive GCPs than WT. Primary cultures of GCPs from Jdp2-KO mice at postnatal day 5 were more resistant to apoptosis than GCPs from wild-type mice. In Jdp2-KO GCPs, the levels of both the glutamate‒cystine exchanger Sc7a11 and glutathione were increased; by contrast, the activity of reactive oxygen species (ROS) was decreased; these changes confer resistance to ROS-mediated apoptosis. In the absence of Jdp2, a complex of the cyclin-dependent kinase inhibitor 1 (p21Cip1) and Nrf2 bound to antioxidant response elements of the Slc7a11 promoter and provide redox control to block ROS-mediated apoptosis. These findings suggest that an interplay between Jdp2, Nrf2, and p21Cip1 regulates the GCP apoptosis, which is one of critical events for normal development of the cerebellum.
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Affiliation(s)
- Chia-Chen Ku
- Graduate Institute of Medicine, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.).,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.)
| | - Kenly Wuputra
- Graduate Institute of Medicine, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.).,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.)
| | - Kohsuke Kato
- Department of Infection Biology, Graduate School of Comprehensive Human Sciences, The University of Tsukuba, 305-8577, Tsukuba, Ibaraki, Japan
| | - Wen-Hsin Lin
- Graduate Institute of Medicine, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.).,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.)
| | - Jia-Bin Pan
- Graduate Institute of Medicine, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.).,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.)
| | - Shih-Chieh Tsai
- National Laboratory Animal Center, National Applied Research Laboratories (NARLabs), Xinshi Dist., 74147, Tainan, Taiwan (R.O.C.).,Founder of Gecoll Biomedicine Co. Ltd., Xinshi Dist., 744, Tainan, Taiwan (R.O.C.)
| | - Che-Jung Kuo
- National Laboratory Animal Center, National Applied Research Laboratories (NARLabs), Xinshi Dist., 74147, Tainan, Taiwan (R.O.C.)
| | - Kan-Hung Lee
- National Laboratory Animal Center, National Applied Research Laboratories (NARLabs), Nangang Dist., 11599, Taipei, Taiwan (R.O.C.)
| | - Yan-Liang Lee
- Welgene Biotech., Inc., 11503, Taipei, Taiwan (R.O.C.)
| | - Ying-Chu Lin
- School of Dentistry, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan
| | - Shigeo Saito
- Saito Laboratory of Cell Technology, Yaita, 329-2192, Tochigi, Japan.,Waseda Research Institute for Science & Engineering, Waseda University, 169-0051, Tokyo, Japan
| | - Michiya Noguchi
- Cell Engineering Division, RIKEN BioResource Research Center, 305-0074, Tsukuba, Ibaraki, Japan
| | - Yukio Nakamura
- Cell Engineering Division, RIKEN BioResource Research Center, 305-0074, Tsukuba, Ibaraki, Japan
| | - Hiroyuki Miyoshi
- Graduate Institute of Medicine, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.).,Department of Physiology, Keio University School of Medicine, Shinanaomachi, 168-8582, Tokyo, Japan
| | - Richard Eckner
- Departent of. Biochemistry & Molecular Biology, Rutgers New Jersey Medical School, The State University of New Jersey, 07-103, Newark, NJ, USA
| | - Kyosuke Nagata
- Department of Infection Biology, Graduate School of Comprehensive Human Sciences, The University of Tsukuba, 305-8577, Tsukuba, Ibaraki, Japan
| | - Deng-Chyang Wu
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.).,Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University Hospital, 80708, Kaohsiung, Taiwan (R.O.C.)
| | - Chang-Shen Lin
- Graduate Institute of Medicine, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.). .,Department of Biological Sciences, National Sun Yat-sen University, 80424, Kaohsiung, Taiwan (R.O.C.).
| | - Kazunari K Yokoyama
- Graduate Institute of Medicine, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.). .,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.). .,Department of Molecular Preventive Medicine, Graduate School of Medicine, The University of Tokyo, 113-8655, Tokyo, Japan.
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27
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Liu Q, Ou Q, Shen L, Qiu C, Zhang B, Zhang W, Shao L, Gao Y, Chen ZW. BATF Potentially Mediates Negative Regulation of PD-1/PD-Ls Pathway on T Cell Functions in Mycobacterium tuberculosis Infection. Front Immunol 2019; 10:2430. [PMID: 31681314 PMCID: PMC6803382 DOI: 10.3389/fimmu.2019.02430] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 09/30/2019] [Indexed: 11/13/2022] Open
Abstract
Background: Previously, we have found that blockade of PD-1/PD-Ls pathway could enhance CD4+ T cells-mediated protective immunity in patients with active tuberculosis (ATB). However, the mechanism of PD-1/PD-Ls pathway involved in negative regulation of anti-TB immunity has been still unclear. Recently, the study of human immunodeficiency virus (HIV) infection demonstrated that PD-1 could induce the expression of basic leucine zipper ATF-like transcription factor (BATF) to inhibit CD8+ T cell function. While the mechanism of immune regulation of BATF in Mycobacterium tuberculosis (M. tb) infection has not yet been elucidated. Methods: We enrolled 104 participants including ATB patients (n = 66), latent tuberculosis infection (LTBI) (n = 16) and healthy control (HC) (n = 22). The expressions of BATF in peripheral blood CD4+ and CD8+ T cells from enrolled subjects were determined using flow cytometry. Intervention with PD-1/PD-Ls pathway was performed by using blocking antibodies or human PD-L1 fusion protein. Silencing BATF in peripheral blood mononuclear cells (PBMCs) by electroporation with siRNA. Real-time quantitative PCR, CFSE dilution assay and enzyme linked immunosorbent assay (ELISA) were employed to test T cell functions after BATF knockdown. Results: The percentages of BATF+CD4+ (P = 0.0003 and P < 0.0001, respectively) and BATF+CD8+ (P = 0.0003 and P = 0.0003, respectively) cells were significantly increased in ATB patients compared with LTBI and HC. BATF-expressing PD-1+ T cells in CD4+ and CD8+ T cells were much higher in ATB group than those in LTBI group (P = 0.0426 and 0.0104, respectively) and HC group (P = 0.0133 and 0.0340, respectively). There was a positive correlation between BATF expression and PD-1 expression in ATB patients (for CD4+ T cells, r = 0.6761, P = 0.0158; for CD8+ T cells, r = 0.6104, P = 0.0350). BATF knockdown could enhance IL-2 and IFN-γ secretions (P = 0.0485 and 0.0473, respectively) and CD4+ T cells proliferation (P = 0.0041) in vitro. Conclusions: In the context of tuberculosis, BATF mediates negative regulation of PD-1/PD-Ls pathway on T cell functions. BATF knockdown can improve cytokine secretion and cells proliferation in vitro.
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Affiliation(s)
- Qianqian Liu
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Qinfang Ou
- Department of Pulmonary Diseases, Wuxi Infectious Diseases Hospital, Wuxi, China
| | - Lei Shen
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Shanghai, China
| | - Chao Qiu
- Institutes of Biomedical Sciences, Fudan University, Shanghai, China.,Key Laboratory of Medical Molecular Virology, Ministry of Education and Health, Institutes of Biomedical Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Bingyan Zhang
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Wenhong Zhang
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, China.,Key Laboratory of Medical Molecular Virology, Ministry of Education and Health, Institutes of Biomedical Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Lingyun Shao
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Yan Gao
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Zheng W Chen
- Department of Microbiology and Immunology, Center for Primate Biomedical Research, University of Illinois College of Medicine, Chicago, IL, United States
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28
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Martins A, Ring A, Omnus DJ, Heessen S, Pfirrmann T, Ljungdahl PO. Spatial and temporal regulation of the endoproteolytic activity of the SPS-sensor-controlled Ssy5 signaling protease. Mol Biol Cell 2019; 30:2709-2720. [PMID: 31461372 PMCID: PMC6761765 DOI: 10.1091/mbc.e19-02-0096] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
The Saccharomyces cerevisiae Ssy5 signaling protease is a core component of the plasma membrane (PM)-localized SPS (Ssy1-Ptr3-Ssy5) sensor. In response to extracellular amino acids, the SPS-sensor orchestrates the proteasomal degradation of the inhibitory Ssy5 prodomain. The unfettered catalytic (Cat)-domain cleaves latent transcription factors Stp1 and Stp2, freeing them from negative N-terminal regulatory domains. By studying the spatial and temporal constraints affecting the unfettered Cat-domain, we found that it can cleave substrates not associated with the PM; the Cat-domain efficiently cleaves Stp1 even when fused to the carboxy terminus of the endoplasmic reticulum (ER) membrane protein Shr3. The amino acid-induced cleavage of this synthetic membrane-anchored substrate occurs in a Δtether strain lacking ER-PM junctions. We report that the bulk of the Cat-domain is soluble, exhibits a disperse intracellular distribution, and is subject to ubiquitylation. Cat-domain ubiquitylation is dependent on Ptr3 and the integral PM casein kinase I (Yck1/2). Time-course experiments reveal that the non- and ubiquitylated forms of the Cat-domain are stable in cells grown in the absence of inducing amino acids. By contrast, amino acid induction significantly accelerates Cat-domain degradation. These findings provide novel insights into the SPS-sensing pathway and suggest that Cat-domain degradation is a requisite for resetting SPS-sensor signaling.
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Affiliation(s)
- António Martins
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, SE-106 91 Stockholm, Sweden
| | - Andreas Ring
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, SE-106 91 Stockholm, Sweden
| | - Deike J Omnus
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, SE-106 91 Stockholm, Sweden
| | - Stijn Heessen
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, SE-106 91 Stockholm, Sweden
| | - Thorsten Pfirrmann
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, SE-106 91 Stockholm, Sweden
| | - Per O Ljungdahl
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, SE-106 91 Stockholm, Sweden
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29
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Genotoxic stress-triggered β-catenin/JDP2/PRMT5 complex facilitates reestablishing glutathione homeostasis. Nat Commun 2019; 10:3761. [PMID: 31434880 PMCID: PMC6704105 DOI: 10.1038/s41467-019-11696-7] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Accepted: 07/30/2019] [Indexed: 01/17/2023] Open
Abstract
The mechanisms underlying how cells subjected to genotoxic stress reestablish reduction-oxidation (redox) homeostasis to scavenge genotoxic stress-induced reactive oxygen species (ROS), which maintains the physiological function of cellular processes and cell survival, remain unclear. Herein, we report that, via a TCF-independent mechanism, genotoxic stress induces the enrichment of β-catenin in chromatin, where it forms a complex with ATM phosphorylated-JDP2 and PRMT5. This elicits histone H3R2me1/H3R2me2s-induced transcriptional activation by the recruitment of the WDR5/MLL methyltransferase complexes and concomitant H3K4 methylation at the promoters of multiple genes in GSH-metabolic cascade. Treatment with OICR-9429, a small-molecule antagonist of the WDR5-MLL interaction, inhibits the β-catenin/JDP2/PRMT5 complex-reestablished GSH metabolism, leading to a lethal increase in the already-elevated levels of ROS in the genotoxic-agent treated cancer cells. Therefore, our results unveil a plausible role for β-catenin in reestablishing redox homeostasis upon genotoxic stress and shed light on the mechanisms of inducible chemotherapy resistance in cancer. It is known that genotoxic stress induces high levels of ROS and deplete cellular glutathione stores. Here, Cao et al. uncover a β-catenin-dependent TCF/LEF-independent mechanism that promotes histone-mediated transcriptional activation of glutathione synthesis.
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30
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van Weert LTCM, Buurstede JC, Sips HCM, Vettorazzi S, Mol IM, Hartmann J, Prekovic S, Zwart W, Schmidt MV, Roozendaal B, Tuckermann JP, Sarabdjitsingh RA, Meijer OC. Identification of mineralocorticoid receptor target genes in the mouse hippocampus. J Neuroendocrinol 2019; 31:e12735. [PMID: 31121060 PMCID: PMC6771480 DOI: 10.1111/jne.12735] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 05/10/2019] [Accepted: 05/10/2019] [Indexed: 02/06/2023]
Abstract
Brain mineralocorticoid receptors (MRs) and glucocorticoid receptors (GRs) respond to the same glucocorticoid hormones but can have differential effects on cellular function. Several lines of evidence suggest that MR-specific target genes must exist and might underlie the distinct effects of the receptors. The present study aimed to identify MR-specific target genes in the hippocampus, a brain region where MR and GR are co-localised and play a role in the stress response. Using genome-wide binding of both receptor types, we previously identified MR-specific, MR-GR overlapping and GR-specific putative target genes. We now report altered gene expression levels of such genes in the hippocampus of forebrain MR knockout (fbMRKO) mice, killed at the time of their endogenous corticosterone peak. Of those genes associated with MR-specific binding, the most robust effect was a 50% reduction in Jun dimerization protein 2 (Jdp2) mRNA levels in fbMRKO mice. Down-regulation was also observed for the MR-specific Nitric oxide synthase 1 adaptor protein (Nos1ap) and Suv3 like RNA helicase (Supv3 l1). Interestingly, the classical glucocorticoid target gene FK506 binding protein 5 (Fkbp5), which is associated with MR and GR chromatin binding, was expressed at substantially lower levels in fbMRKO mice. Subsequently, hippocampal Jdp2 was confirmed to be up-regulated in a restraint stress model, posing Jdp2 as a bona fide MR target that is also responsive in an acute stress condition. Thus, we show that MR-selective DNA binding can reveal functional regulation of genes and further identify distinct MR-specific effector pathways.
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Affiliation(s)
- Lisa T. C. M. van Weert
- Einthoven LaboratoryDivision of EndocrinologyDepartment of MedicineLeiden University Medical CenterLeidenThe Netherlands
- Department of Cognitive NeuroscienceRadboud University Medical CenterNijmegenThe Netherlands
- Donders Institute for Brain, Cognition and BehaviourRadboud UniversityNijmegenThe Netherlands
| | - Jacobus C. Buurstede
- Einthoven LaboratoryDivision of EndocrinologyDepartment of MedicineLeiden University Medical CenterLeidenThe Netherlands
| | - Hetty C. M. Sips
- Einthoven LaboratoryDivision of EndocrinologyDepartment of MedicineLeiden University Medical CenterLeidenThe Netherlands
| | - Sabine Vettorazzi
- Institute of Comparative Molecular EndocrinologyUniversity of UlmUlmGermany
| | - Isabel M. Mol
- Einthoven LaboratoryDivision of EndocrinologyDepartment of MedicineLeiden University Medical CenterLeidenThe Netherlands
| | - Jakob Hartmann
- Department of PsychiatryHarvard Medical SchoolMcLean HospitalBelmontMassachusetts
| | - Stefan Prekovic
- Division of OncogenomicsOncode InstituteThe Netherlands Cancer InstituteAmsterdamThe Netherlands
| | - Wilbert Zwart
- Division of OncogenomicsOncode InstituteThe Netherlands Cancer InstituteAmsterdamThe Netherlands
| | - Mathias V. Schmidt
- Department of Stress Neurobiology and NeurogeneticsMax Planck Institute of PsychiatryMunichGermany
| | - Benno Roozendaal
- Department of Cognitive NeuroscienceRadboud University Medical CenterNijmegenThe Netherlands
- Donders Institute for Brain, Cognition and BehaviourRadboud UniversityNijmegenThe Netherlands
| | - Jan P. Tuckermann
- Institute of Comparative Molecular EndocrinologyUniversity of UlmUlmGermany
| | - R. Angela Sarabdjitsingh
- Department of Translational NeuroscienceUMC Utrecht Brain CenterUniversity Medical CenterUtrechtThe Netherlands
| | - Onno C. Meijer
- Einthoven LaboratoryDivision of EndocrinologyDepartment of MedicineLeiden University Medical CenterLeidenThe Netherlands
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31
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Hu Z, Dang Y, Liu C, Zhou L, Liu H. Acute exposure to ustiloxin A affects growth and development of early life zebrafish, Danio rerio. CHEMOSPHERE 2019; 226:851-857. [PMID: 30978596 DOI: 10.1016/j.chemosphere.2019.04.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 03/30/2019] [Accepted: 04/01/2019] [Indexed: 06/09/2023]
Abstract
Ustiloxin A is a cyclopeptide mycotoxin originally isolated from rice false smut balls (FSBs) that formed in rice spikelets infected by the fungal pathogen Ustilaginoidea virens. Studies have shown that ustiloxin A was toxic to animals, but the toxicological evidence is still lacking. To reveal the negative influence of ustiloxin A on model organism, zebrafish were selected and exposed to ustiloxin A at concentrations of 0, 0.25, 2.5 or 25 μM from 2 h post-fertilization (hpf) to 144 hpf. The hatching rates of embryos in the 25 μM exposure group was 12.85% less than the control group at 96 hpf. Meanwhile, exposure to 0.25, 2.5 or 25 μM ustiloxin A resulted in a distinct dose-dependent increase in mortality rate of embryos at 96 hpf. We also found that exposed to ustiloxin A could cause some other damages on zebrafish larvae, such as growth delay and increased heart rate. In addition, the athletic behavior of zebrafish larvae exposed to ustiloxin A at 25 μM was dramatically different with that of control. Transcriptome sequencing showed that abundances of 339 transcripts (125 up-regulated and 214 down-regulated) were significantly altered in larvae exposed to 25 μM of ustiloxin A. Several of the crucial genes were validated by RT-qPCR. This is the first report on the toxicologic study of ustiloxins against model organism zebrafish. Results suggested that ustiloxins have become a potential danger for food security.
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Affiliation(s)
- Zheng Hu
- The Key Lab of Plant Pathology of Hubei Province, Huazhong Agricultural University, Wuhan, 430070, Hubei, PR China
| | - Yao Dang
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, Hubei, PR China
| | - Chunsheng Liu
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, Hubei, PR China
| | - Ligang Zhou
- College of Plant Protection, China Agricultural University, Beijing, 100193, PR China
| | - Hao Liu
- The Key Lab of Plant Pathology of Hubei Province, Huazhong Agricultural University, Wuhan, 430070, Hubei, PR China.
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32
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Stamm CE, Pasko BL, Chaisavaneeyakorn S, Franco LH, Nair VR, Weigele BA, Alto NM, Shiloh MU. Screening Mycobacterium tuberculosis Secreted Proteins Identifies Mpt64 as a Eukaryotic Membrane-Binding Bacterial Effector. mSphere 2019; 4:e00354-19. [PMID: 31167949 PMCID: PMC6553557 DOI: 10.1128/msphere.00354-19] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 05/19/2019] [Indexed: 02/07/2023] Open
Abstract
Mycobacterium tuberculosis (Mtb), the causative agent of tuberculosis, is one of the most successful human pathogens. One reason for its success is that Mtb can reside within host macrophages, a cell type that normally functions to phagocytose and destroy infectious bacteria. However, Mtb is able to evade macrophage defenses in order to survive for prolonged periods of time. Many intracellular pathogens secrete virulence factors targeting host membranes and organelles to remodel their intracellular environmental niche. We hypothesized that Mtb secreted proteins that target host membranes are vital for Mtb to adapt to and manipulate the host environment for survival. Thus, we characterized 200 secreted proteins from Mtb for their ability to associate with eukaryotic membranes using a unique temperature-sensitive yeast screen and to manipulate host trafficking pathways using a modified inducible secretion screen. We identified five Mtb secreted proteins that both associated with eukaryotic membranes and altered the host secretory pathway. One of these secreted proteins, Mpt64, localized to the endoplasmic reticulum during Mtb infection of murine and human macrophages and impaired the unfolded protein response in macrophages. These data highlight the importance of secreted proteins in Mtb pathogenesis and provide a basis for further investigation into their molecular mechanisms.IMPORTANCE Advances have been made to identify secreted proteins of Mycobacterium tuberculosis during animal infections. These data, combined with transposon screens identifying genes important for M. tuberculosis virulence, have generated a vast resource of potential M. tuberculosis virulence proteins. However, the function of many of these proteins in M. tuberculosis pathogenesis remains elusive. We have integrated three cell biological screens to characterize nearly 200 M. tuberculosis secreted proteins for eukaryotic membrane binding, host subcellular localization, and interactions with host vesicular trafficking. In addition, we observed the localization of one secreted protein, Mpt64, to the endoplasmic reticulum (ER) during M. tuberculosis infection of macrophages. Interestingly, although Mpt64 is exported by the Sec pathway, its delivery into host cells was dependent upon the action of the type VII secretion system. Finally, we observed that Mpt64 impairs the ER-mediated unfolded protein response in macrophages.
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Affiliation(s)
- Chelsea E Stamm
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA
- Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Breanna L Pasko
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA
- Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Sujittra Chaisavaneeyakorn
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Luis H Franco
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA
- Center for Autophagy Research, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Vidhya R Nair
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Bethany A Weigele
- Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Neal M Alto
- Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Michael U Shiloh
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA
- Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
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33
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Locascio A, Andrés-Colás N, Mulet JM, Yenush L. Saccharomyces cerevisiae as a Tool to Investigate Plant Potassium and Sodium Transporters. Int J Mol Sci 2019; 20:E2133. [PMID: 31052176 PMCID: PMC6539216 DOI: 10.3390/ijms20092133] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 04/26/2019] [Accepted: 04/29/2019] [Indexed: 12/20/2022] Open
Abstract
Sodium and potassium are two alkali cations abundant in the biosphere. Potassium is essential for plants and its concentration must be maintained at approximately 150 mM in the plant cell cytoplasm including under circumstances where its concentration is much lower in soil. On the other hand, sodium must be extruded from the plant or accumulated either in the vacuole or in specific plant structures. Maintaining a high intracellular K+/Na+ ratio under adverse environmental conditions or in the presence of salt is essential to maintain cellular homeostasis and to avoid toxicity. The baker's yeast, Saccharomyces cerevisiae, has been used to identify and characterize participants in potassium and sodium homeostasis in plants for many years. Its utility resides in the fact that the electric gradient across the membrane and the vacuoles is similar to plants. Most plant proteins can be expressed in yeast and are functional in this unicellular model system, which allows for productive structure-function studies for ion transporting proteins. Moreover, yeast can also be used as a high-throughput platform for the identification of genes that confer stress tolerance and for the study of protein-protein interactions. In this review, we summarize advances regarding potassium and sodium transport that have been discovered using the yeast model system, the state-of-the-art of the available techniques and the future directions and opportunities in this field.
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Affiliation(s)
- Antonella Locascio
- Instituto de Biología Molecular y Celular de Plantas, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, 46022 Valencia, Spain.
| | - Nuria Andrés-Colás
- Instituto de Biología Molecular y Celular de Plantas, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, 46022 Valencia, Spain.
| | - José Miguel Mulet
- Instituto de Biología Molecular y Celular de Plantas, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, 46022 Valencia, Spain.
| | - Lynne Yenush
- Instituto de Biología Molecular y Celular de Plantas, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, 46022 Valencia, Spain.
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34
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Kalfon R, Friedman T, Eliachar S, Shofti R, Haas T, Koren L, Moskovitz JD, Hai T, Aronheim A. JDP2 and ATF3 deficiencies dampen maladaptive cardiac remodeling and preserve cardiac function. PLoS One 2019; 14:e0213081. [PMID: 30818334 PMCID: PMC6394944 DOI: 10.1371/journal.pone.0213081] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 02/14/2019] [Indexed: 12/30/2022] Open
Abstract
c-Jun dimerization protein (JDP2) and Activating Transcription Factor 3 (ATF3) are closely related basic leucine zipper proteins. Transgenic mice with cardiac expression of either JDP2 or ATF3 showed maladaptive remodeling and cardiac dysfunction. Surprisingly, JDP2 knockout (KO) did not protect the heart following transverse aortic constriction (TAC). Instead, the JDP2 KO mice performed worse than their wild type (WT) counterparts. To test whether the maladaptive cardiac remodeling observed in the JDP2 KO mice is due to ATF3, ATF3 was removed in the context of JDP2 deficiency, referred as double KO mice (dKO). Mice were challenged by TAC, and followed by detailed physiological, pathological and molecular analyses. dKO mice displayed no apparent differences from WT mice under unstressed condition, except a moderate better performance in dKO male mice. Importantly, following TAC the dKO hearts showed low fibrosis levels, reduced inflammatory and hypertrophic gene expression and a significantly preserved cardiac function as compared with their WT counterparts in both genders. Consistent with these data, removing ATF3 resumed p38 activation in the JDP2 KO mice which correlates with the beneficial cardiac function. Collectively, mice with JDP2 and ATF3 double deficiency had reduced maladaptive cardiac remodeling and lower hypertrophy following TAC. As such, the worsening of the cardiac outcome found in the JDP2 KO mice is due to the elevated ATF3 expression. Simultaneous suppression of both ATF3 and JDP2 activity is highly beneficial for cardiac function in health and disease.
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Affiliation(s)
- Roy Kalfon
- Department of Cell Biology and Cancer Science, The B. Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
| | - Tom Friedman
- Department of Cell Biology and Cancer Science, The B. Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
- Cardiac Surgery Department, Rambam Health Care Campus, Haifa, Israel
| | - Shir Eliachar
- Department of Cell Biology and Cancer Science, The B. Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
| | - Rona Shofti
- The Pre-Clinical Research Authority Unit, The Technion, Israel Institute of Technology, Haifa, Israel
| | - Tali Haas
- The Pre-Clinical Research Authority Unit, The Technion, Israel Institute of Technology, Haifa, Israel
| | - Lilach Koren
- Department of Cell Biology and Cancer Science, The B. Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
| | - Jacob D. Moskovitz
- Department of Cell Biology and Cancer Science, The B. Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
| | - Tsonwin Hai
- Department of Biological Chemistry and Pharmacology, The Ohio State University, Columbus, Ohio United States of America
| | - Ami Aronheim
- Department of Cell Biology and Cancer Science, The B. Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
- * E-mail:
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35
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Aronheim A. The Ras Recruitment System (RRS) for the Identification and Characterization of Protein-Protein Interactions. Methods Mol Biol 2019; 1794:61-73. [PMID: 29855951 DOI: 10.1007/978-1-4939-7871-7_5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/24/2023]
Abstract
Protein-protein interactions are the basis for all biochemical cellular activities. The Ras Recruitment System, RRS, is a method for studying interactions between known proteins as well as identification of novel interactions following a cDNA library screen. The method is based on the recruitment of the Ras protein to the plasma membrane via protein-protein interactions. The interaction between proteins is studied in a temperature-sensitive yeast Saccharomyces cerevisiae mutant strain. This mutant is able to grow under restrictive temperature conditions when the Ras viability pathway becomes activated as a result of a positive protein-protein interaction. The RRS complements the limitations and problems that arise from the yeast two-hybrid system.
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Affiliation(s)
- Ami Aronheim
- Department of Cell Biology and Cancer Science, The B. Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel.
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36
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Screening Arrayed Libraries with DNA and Protein Baits to Identify Interacting Proteins. Methods Mol Biol 2019; 1794:131-149. [PMID: 29855955 DOI: 10.1007/978-1-4939-7871-7_9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
Molecular interactions are an integral part of the regulatory mechanisms controlling gene expression. The yeast one- and two-hybrid systems (Y1H/Y2H) have been widely used by many laboratories to detect DNA-protein (Y1H) and protein-protein interactions (Y2H). The development of efficient cloning systems have promoted the generation of large open reading frame (ORF) clone collections (libraries) for several organisms. Functional analyses of such large collections require the establishment of adequate protocols. Here, we describe a simple straightforward procedure for high-throughput screenings of arrayed libraries with DNA or protein baits that can be carried out by one person with minimal labor and not requiring robotics. The protocol can also be scaled up or down and is compatible with several library formats. Procedures to make yeast stocks for long-term storage (tube and microplate formats) are also provided.
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37
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ATF3 and JDP2 deficiency in cancer associated fibroblasts promotes tumor growth via SDF-1 transcription. Oncogene 2019; 38:3812-3823. [PMID: 30670778 PMCID: PMC6756089 DOI: 10.1038/s41388-019-0692-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 12/06/2018] [Accepted: 01/03/2019] [Indexed: 12/12/2022]
Abstract
The activating transcription factor 3 (ATF3) and the c-Jun dimerization protein 2 (JDP2) are members of the basic leucine zipper (bZIP) family of transcription factors. These proteins share a high degree of homology and both can activate or repress transcription. Deficiency of either one of them in the non-cancer host cells was shown to reduce metastases. As ATF3 and JDP2 compensate each other's function, we studied the double deficiency of ATF3 and JDP2 in the stromal tumor microenvironment. Here, we show that mice with ATF3 and JDP2 double deficiency (designated thereafter dKO) developed larger tumors with high vascular perfusion and increased cell proliferation rate compared to wild type (WT) mice. We further identify that the underlying mechanism involves tumor associated fibroblasts which secrete high levels of stromal cell-derived factor 1 (SDF-1) in dKO fibroblasts. SDF-1 depletion in dKO fibroblasts dampened tumor growth and blood vessel perfusion. Furthermore, ATF3 and JDP2 were found to regulate SDF-1 transcription and secretion in fibroblasts, a phenomenon that is potentiated in the presence of cancer cells. Collectively, our results suggest that ATF3 and JDP2 regulate the expression of essential tumor promoting factors expressed by fibroblasts within the tumor microenvironment, and thus restrain tumor growth.
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38
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Saito S, Lin YC, Nakamura Y, Eckner R, Wuputra K, Kuo KK, Lin CS, Yokoyama KK. Potential application of cell reprogramming techniques for cancer research. Cell Mol Life Sci 2019; 76:45-65. [PMID: 30283976 PMCID: PMC6326983 DOI: 10.1007/s00018-018-2924-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 09/15/2018] [Accepted: 09/19/2018] [Indexed: 02/07/2023]
Abstract
The ability to control the transition from an undifferentiated stem cell to a specific cell fate is one of the key techniques that are required for the application of interventional technologies to regenerative medicine and the treatment of tumors and metastases and of neurodegenerative diseases. Reprogramming technologies, which include somatic cell nuclear transfer, induced pluripotent stem cells, and the direct reprogramming of specific cell lineages, have the potential to alter cell plasticity in translational medicine for cancer treatment. The characterization of cancer stem cells (CSCs), the identification of oncogene and tumor suppressor genes for CSCs, and the epigenetic study of CSCs and their microenvironments are important topics. This review summarizes the application of cell reprogramming technologies to cancer modeling and treatment and discusses possible obstacles, such as genetic and epigenetic alterations in cancer cells, as well as the strategies that can be used to overcome these obstacles to cancer research.
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Affiliation(s)
- Shigeo Saito
- Saito Laboratory of Cell Technology, Yaita, Tochigi, 329-1571, Japan
- College of Engineering, Nihon University, Koriyama, Fukushima, 963-8642, Japan
| | - Ying-Chu Lin
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - Yukio Nakamura
- Cell Engineering Division, RIKEN BioResource Center, Tsukuba, Ibaraki, 305-0074, Japan
| | - Richard Eckner
- Department of Biochemistry and Molecular Biology, Rutgers, New Jersey Medical School-Rutgers, The State University of New Jersey, Newark, NJ, 07101, USA
| | - Kenly Wuputra
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - Kung-Kai Kuo
- Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, 807, Taiwan
| | - Chang-Shen Lin
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 807, Taiwan.
- Department of Biological Sciences, National Sun Yat-sen University, Kaohsiung, 804, Taiwan.
| | - Kazunari K Yokoyama
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 807, Taiwan.
- Faculty of Molecular Preventive Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan.
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39
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Xu H, Liu X, Jia Y, Dong F, Xu J, Wu X, Yang Y, Zheng Y. Fipronil-induced toxic effects in zebrafish (Danio rerio) larvae by using digital gene expression profiling. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 639:550-559. [PMID: 29800848 DOI: 10.1016/j.scitotenv.2018.05.159] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 05/11/2018] [Accepted: 05/13/2018] [Indexed: 05/07/2023]
Abstract
Fipronil residue has caused widespread concern around the world, especially after the recent "toxic eggs" event in seven European countries. To evaluate the effects of fipronil on vertebrates, zebrafish larvae were used as an animal model to examine the lethal effect, developmental phenotypes at high doses, and possible mechanisms of toxicity by employing digital gene expression (DGE) profiling at environmentally relevant doses. The results of acute toxicity test indicated that treatment with fipronil from 75 h post-fertilization (hpf) led to the death of larvae with a 96-h LC50 value of 459 μg/L, as well as abnormal development including bent spine and shortened body length. Besides, we obtained high-quality-sequencing DGE profilings at fipronil concentrations of 0.5, 5, and 50 μg/L, respectively. The results revealed that 44 differentially expressed genes, 10 GO terms, and 3 KEGG pathways were overlapped among the three concentrations. MIDN, one of the 44 differentially expressed genes, showed dose-dependent responses at the transcriptional level, indicating that it was possibly a potential biomarker to reflect fipronil toxicity in zebrafish. Furthermore, we presumed that the changing transcriptional level of AP-1 family was possibly a reason for bent spine and shortened body length in larvae exposed to fipronil. Concurrently, altered abundance of transcripts of the ELOVL family in a key step of fatty acid elongation could possibly lead to the accumulation of long-chain fatty acids. Collectively, our results suggested that exposure to fipronil caused lethal and developmental toxicity in zebrafish larvae, and demonstrated the need for a comprehensive understanding of the potential mechanisms of fipronil toxicity due to fipronil's frequent presence in the environment and its potential threat to human health.
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Affiliation(s)
- Hanqing Xu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Xingang Liu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Yang Jia
- Graduate School, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China
| | - Fengshou Dong
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Jun Xu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Xiaohu Wu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Yang Yang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Yongquan Zheng
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China.
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40
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Zholdybayeva EV, Medetov YZ, Aitkulova AM, Makhambetov YT, Akshulakov SK, Kaliyev AB, Talzhanov YA, Kulmambetova GN, Iskakova AN, Ramankulov YM. Genetic Risk Factors for Intracranial Aneurysm in the Kazakh Population. J Mol Neurosci 2018; 66:135-145. [PMID: 30121816 DOI: 10.1007/s12031-018-1134-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 07/20/2018] [Indexed: 10/28/2022]
Abstract
An intracranial aneurysm (IA) is a weak or thin area on a blood vessel in the brain that balloons as it fills with blood. Genetic factors can influence the risk of developing an aneurism. The purpose of this study was to explore the relationship between single nucleotide polymorphisms (SNPs) and IA in Kazakh population. The patients were genotyped for 60 single nucleotide polymorphisms. Genotyping was performed on the QuantStudio 12K Flex (Life Technologies). A linear regression analysis found 13 SNPs' significant association with development and rupture of IA: the rs1800956 polymorphism of the ENG gene, rs1756 46 polymorphism of the JDP2 gene, variant rs1800255 of the COL3A1, rs4667622 of the UBR3, rs2374513 of the c12orf75, rs3742321 polymorphism of the StAR, the rs3782356 polymorphism of MLL2 gene, rs3932338 to 214 kilobases downstream of PRDM9, rs7550260 polymorphism of the ARHGEF, rs1504749 polymorphism of the SOX17, the rs173686 polymorphism of CSPG2 gene, rs6460071 located on LIMK1 gene, and the rs4934 polymorphism of SERPINA3. A total of 13 SNPs were identified as potential genetic markers for the development and risk of rupture of aneurysms in the Kazakh population. Similar results were obtained after adjusting for the confounding factors of arterial hypertension and age.
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Affiliation(s)
- Elena V Zholdybayeva
- National Center for Biotechnology, 13/5, Korgalzhinskoe Highway, Astana, Kazakhstan.
| | - Yerkin Z Medetov
- JSC "National Center of Neurosurgery", 34/1, Turan Avenue, Astana, Kazakhstan
| | - Akbota M Aitkulova
- National Center for Biotechnology, 13/5, Korgalzhinskoe Highway, Astana, Kazakhstan.,Al-Farabi Kazakh National University, 71, al-Farabi Ave., Almaty, Kazakhstan
| | | | - Serik K Akshulakov
- JSC "National Center of Neurosurgery", 34/1, Turan Avenue, Astana, Kazakhstan
| | - Assylbek B Kaliyev
- JSC "National Center of Neurosurgery", 34/1, Turan Avenue, Astana, Kazakhstan
| | | | | | - Aisha N Iskakova
- National Center for Biotechnology, 13/5, Korgalzhinskoe Highway, Astana, Kazakhstan
| | - Yerlan M Ramankulov
- National Center for Biotechnology, 13/5, Korgalzhinskoe Highway, Astana, Kazakhstan.,School of Science and Technology, Nazarbayev University, 53 Kabanbay Batyr Ave., Astana, Kazakhstan
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41
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Mansour MR, He S, Li Z, Lobbardi R, Abraham BJ, Hug C, Rahman S, Leon TE, Kuang YY, Zimmerman MW, Blonquist T, Gjini E, Gutierrez A, Tang Q, Garcia-Perez L, Pike-Overzet K, Anders L, Berezovskaya A, Zhou Y, Zon LI, Neuberg D, Fielding AK, Staal FJT, Langenau DM, Sanda T, Young RA, Look AT. JDP2: An oncogenic bZIP transcription factor in T cell acute lymphoblastic leukemia. J Exp Med 2018; 215:1929-1945. [PMID: 29941549 PMCID: PMC6028512 DOI: 10.1084/jem.20170484] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Revised: 03/14/2018] [Accepted: 05/30/2018] [Indexed: 01/14/2023] Open
Abstract
A substantial subset of patients with T cell acute lymphoblastic leukemia (T-ALL) develops resistance to steroids and succumbs to their disease. JDP2 encodes a bZIP protein that has been implicated as a T-ALL oncogene from insertional mutagenesis studies in mice, but its role in human T-ALL pathogenesis has remained obscure. Here we show that JDP2 is aberrantly expressed in a subset of T-ALL patients and is associated with poor survival. JDP2 is required for T-ALL cell survival, as its depletion by short hairpin RNA knockdown leads to apoptosis. Mechanistically, JDP2 regulates prosurvival signaling through direct transcriptional regulation of MCL1. Furthermore, JDP2 is one of few oncogenes capable of initiating T-ALL in transgenic zebrafish. Notably, thymocytes from rag2:jdp2 transgenic zebrafish express high levels of mcl1 and demonstrate resistance to steroids in vivo. These studies establish JDP2 as a novel oncogene in high-risk T-ALL and implicate overexpression of MCL1 as a mechanism of steroid resistance in JDP2-overexpressing cells.
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Affiliation(s)
- Marc R Mansour
- Department of Haematology, University College London Cancer Institute, London, England, UK
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Shuning He
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Zhaodong Li
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Riadh Lobbardi
- Molecular Pathology and Cancer Center, Massachusetts General Hospital, Boston, MA
- Harvard Stem Cell Institute, Stem Cell and Regenerative Biology Department, Harvard University, Cambridge, MA
| | | | - Clemens Hug
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Sunniyat Rahman
- Department of Haematology, University College London Cancer Institute, London, England, UK
| | - Theresa E Leon
- Department of Haematology, University College London Cancer Institute, London, England, UK
| | - You-Yi Kuang
- Heilongjiang River Fisheries Research Institute of Chinese Academy of Fishery Sciences, Harbin, China
| | - Mark W Zimmerman
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Traci Blonquist
- Department of Biostatistics and Computational Biology, Dana-Farber Cancer Institute, Boston, MA
| | - Evisa Gjini
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Alejandro Gutierrez
- Stem Cell Program and Division of Hematology/Oncology, Boston Children's Hospital and Dana Farber Cancer Institute, Howard Hughes Medical Institute, Harvard Medical School, Boston, MA
| | - Qin Tang
- Molecular Pathology and Cancer Center, Massachusetts General Hospital, Boston, MA
- Harvard Stem Cell Institute, Stem Cell and Regenerative Biology Department, Harvard University, Cambridge, MA
| | - Laura Garcia-Perez
- Department of Immunohematology, Leiden University Medical Center, Leiden, Netherlands
| | - Karin Pike-Overzet
- Department of Immunohematology, Leiden University Medical Center, Leiden, Netherlands
| | - Lars Anders
- Whitehead Institute for Biomedical Research, Cambridge, MA
| | - Alla Berezovskaya
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Yi Zhou
- Harvard Stem Cell Institute, Stem Cell and Regenerative Biology Department, Harvard University, Cambridge, MA
- Stem Cell Program and Division of Hematology/Oncology, Boston Children's Hospital and Dana Farber Cancer Institute, Howard Hughes Medical Institute, Harvard Medical School, Boston, MA
| | - Leonard I Zon
- Harvard Stem Cell Institute, Stem Cell and Regenerative Biology Department, Harvard University, Cambridge, MA
- Stem Cell Program and Division of Hematology/Oncology, Boston Children's Hospital and Dana Farber Cancer Institute, Howard Hughes Medical Institute, Harvard Medical School, Boston, MA
| | - Donna Neuberg
- Department of Biostatistics and Computational Biology, Dana-Farber Cancer Institute, Boston, MA
| | - Adele K Fielding
- Department of Haematology, University College London Cancer Institute, London, England, UK
| | - Frank J T Staal
- Department of Immunohematology, Leiden University Medical Center, Leiden, Netherlands
| | - David M Langenau
- Molecular Pathology and Cancer Center, Massachusetts General Hospital, Boston, MA
- Harvard Stem Cell Institute, Stem Cell and Regenerative Biology Department, Harvard University, Cambridge, MA
| | - Takaomi Sanda
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
- Department of Medicine, Yong Loo Lin School of Medicine, Singapore
| | - Richard A Young
- Whitehead Institute for Biomedical Research, Cambridge, MA
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA
| | - A Thomas Look
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
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42
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Heger J, Bornbaum J, Würfel A, Hill C, Brockmann N, Gáspár R, Pálóczi J, Varga ZV, Sárközy M, Bencsik P, Csont T, Török S, Kojonazarov B, Schermuly RT, Böngler K, Parahuleva M, Ferdinandy P, Schulz R, Euler G. JDP2 overexpression provokes cardiac dysfunction in mice. Sci Rep 2018; 8:7647. [PMID: 29769710 PMCID: PMC5955919 DOI: 10.1038/s41598-018-26052-w] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Accepted: 05/03/2018] [Indexed: 01/19/2023] Open
Abstract
The transcriptional regulator JDP2 (Jun dimerization protein 2) has been identified as a prognostic marker for patients to develop heart failure after myocardial infarction. We now performed in vivo studies on JDP2-overexpressing mice, to clarify the impact of JDP2 on heart failure progression. Therefore, during birth up to the age of 4 weeks cardiac-specific JDP2 overexpression was prevented by doxycycline feeding in transgenic mice. Then, JDP2 overexpression was started. Already after 1 week, cardiac function, determined by echocardiography, decreased which was also resembled on the cardiomyocyte level. After 5 weeks blood pressure declined, ejection fraction and cardiac output was reduced and left ventricular dilatation developed. Heart weight/body weight, and mRNA expression of ANP, inflammatory marker genes, collagen and fibronectin increased. Collagen 1 protein expression increased, and fibrosis developed. As an additional sign of elevated extracellular matrix remodeling, matrix metalloproteinase 2 activity increased in JDP2 mice. Thus, JDP2 overexpression is deleterious to heart function in vivo. It can be concluded that JDP2 overexpression provokes cardiac dysfunction in adult mice that is accompanied by hypertrophy and fibrosis. Thus, induction of JDP2 is a maladaptive response contributing to heart failure development.
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Affiliation(s)
- Jacqueline Heger
- Institute of Physiology, Justus Liebig University, Giessen, Germany
| | - Julia Bornbaum
- Institute of Physiology, Justus Liebig University, Giessen, Germany
| | - Alona Würfel
- Institute of Physiology, Justus Liebig University, Giessen, Germany
| | - Christian Hill
- Institute of Physiology, Justus Liebig University, Giessen, Germany
| | - Nils Brockmann
- Institute of Physiology, Justus Liebig University, Giessen, Germany
| | - Renáta Gáspár
- Department of Biochemistry, University of Szeged, Szeged, Hungary
| | - János Pálóczi
- Department of Biochemistry, University of Szeged, Szeged, Hungary.,Pharmahungary Group, Szeged, Hungary
| | - Zoltán V Varga
- Department of Biochemistry, University of Szeged, Szeged, Hungary
| | - Márta Sárközy
- Department of Biochemistry, University of Szeged, Szeged, Hungary
| | - Péter Bencsik
- Department of Biochemistry, University of Szeged, Szeged, Hungary.,Pharmahungary Group, Szeged, Hungary
| | - Tamás Csont
- Department of Biochemistry, University of Szeged, Szeged, Hungary
| | - Szilvia Török
- Department of Biochemistry, University of Szeged, Szeged, Hungary
| | - Baktybek Kojonazarov
- Universities of Giessen and Marburg Lung Center (UGMLC), Excellence Cluster Cardio-Pulmonary System (ECCPS), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Ralph Theo Schermuly
- Universities of Giessen and Marburg Lung Center (UGMLC), Excellence Cluster Cardio-Pulmonary System (ECCPS), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Kerstin Böngler
- Institute of Physiology, Justus Liebig University, Giessen, Germany
| | - Mariana Parahuleva
- Internal Medicine/Cardiology and Angiology, University Hospital of Giessen and Marburg, Location Marburg, Marburg, Germany
| | - Peter Ferdinandy
- Department of Biochemistry, University of Szeged, Szeged, Hungary.,Pharmahungary Group, Szeged, Hungary.,Department of Pharmacology and Pharmacotherapy, Semmelweis University, Budapest, Hungary
| | - Rainer Schulz
- Institute of Physiology, Justus Liebig University, Giessen, Germany
| | - Gerhild Euler
- Institute of Physiology, Justus Liebig University, Giessen, Germany.
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43
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Cao L, Liu Y, Wang D, Huang L, Li F, Liu J, Zhang C, Shen Z, Gao Q, Yuan W, Zhang Y. MiR-760 suppresses human colorectal cancer growth by targeting BATF3/AP-1/cyclinD1 signaling. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:83. [PMID: 29661228 PMCID: PMC5902951 DOI: 10.1186/s13046-018-0757-8] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 04/10/2018] [Indexed: 12/12/2022]
Abstract
Background Recent studies have reported that microRNAs (miRNAs) often function as negative post-transcriptional regulators with altered expression levels found in colorectal cancer (CRC). There have been few studies on miRNAs that regulate the oncogenic alterations in CRC. Here, we aim to explore the anti-cancer miRNA and the potential mechanisms by which miRNAs modulate CRC progression. Methods We performed an integrated analysis of CRC miRNA expression datasets in The Cancer Genome Atlas (TCGA). The miRNA with the lowest expression, miR-760, was validated in an independent validation sample cohort of 76 CRC tissues. Functional assays, such as CCK-8 assay, colony formation assay, and CFSE staining, were used to determine the oncogenic role of miR-760 in human CRC progression. Furthermore, western blotting and dual-luciferase reporter assay were used to determine the mechanism by which miR-760 promotes proliferation of CRC cells. Xenograft nude mouse models were used to determine the role of miR-760 in CRC tumorigenicity in vivo. Immunohistochemical assays were conducted to study the relationship between miR-760 expression and basic leucine zipper transcriptional factor ATF-like 3 (BATF3) expression in human CRC samples. Results miR-760 was markedly downregulated in CRC tissues, and low miR-760 expression was associated with poor prognosis among CRC patients. Upregulation of miR-760 suppressed CRC cell proliferation, whereas downregulation of miR-760 promoted CRC proliferation in vitro. Additionally, we identified BATF3 as a direct target of miR-760, and that the essential biological function of miR-760 during CRC progression both in vitro and in vivo is to suppress the expression of BATF3 and downstream cyclinD1 via AP-1 transcription factor. Finally, we showed a significant correlation between miR-760 and BATF3 expression in CRC tissues. Conclusions miR-760 inhibited CRC growth by downregulating BATF3/AP-1/ cyclinD1 signaling. Electronic supplementary material The online version of this article (10.1186/s13046-018-0757-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Ling Cao
- Biotherapy Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Yulin Liu
- Biotherapy Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Dan Wang
- Biotherapy Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Lan Huang
- Biotherapy Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Feng Li
- Biotherapy Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Jinbo Liu
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Chaoqi Zhang
- Biotherapy Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Zhibo Shen
- Biotherapy Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Qun Gao
- Biotherapy Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Weitang Yuan
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Yi Zhang
- Biotherapy Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China. .,Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China. .,School of Life Sciences, Zhengzhou University, Zhengzhou, Henan, 450001, People's Republic of China. .,Henan Key Laboratory for Tumor Immunology and Biotherapy, Zhengzhou, 450052, Henan, China.
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Chang YK, Zuo Z, Stormo GD. Quantitative profiling of BATF family proteins/JUNB/IRF hetero-trimers using Spec-seq. BMC Mol Biol 2018; 19:5. [PMID: 29587652 PMCID: PMC5869772 DOI: 10.1186/s12867-018-0106-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Accepted: 03/19/2018] [Indexed: 01/13/2023] Open
Abstract
Background BATF family transcription factors (BATF, BATF2 and BATF3) form hetero-trimers with JUNB and either IRF4 or IRF8 to regulate cell fate in T cells and dendritic cells in vivo. While each combination of the hetero-trimer has a distinct role, some degree of cross-compensation was observed. The basis for the differential actions of IRF4 and IRF8 with BATF factors and JUNB is still unknown. We propose that the differences in function between these hetero-trimers may be caused by differences in their DNA binding preferences. While all three BATF family transcription factors have similar binding preferences when binding as a hetero-dimer with JUNB, the cooperative binding of IRF4 or IRF8 to the hetero-dimer/DNA complex could change the preferences. We used Spec-seq, which allows for the efficient and accurate determination of relative affinity to a large collection of sequences in parallel, to find differences between cooperative DNA binding of IRF4, IRF8 and BATF family members. Results We found that without IRF binding, all three hetero-dimer pairs exhibit nearly the same binding preferences to both expected wildtype binding sites TRE (TGA(C/G)TCA) and CRE (TGACGTCA). IRF4 and IRF8 show the very similar DNA binding preferences when binding with any of the three hetero-dimers. No major change of binding preferences was found in the half-sites between different hetero-trimers. IRF proteins bind with substantially lower affinity with either a single nucleotide spacer between IRF and BATF binding site or with an alternative mode of binding in the opposite orientation. In addition, the preference to CRE binding site was reduced with either IRF binding in all BATF–JUNB combinations. Conclusions The specificities of BATF, BATF2 and BATF3 are all very similar as are their interactions with IRF4 and IRF8. IRF proteins binding adjacent to BATF sites increases affinity substantially compared to sequences with spacings between the sites, indicating cooperative binding through protein–protein interactions. The preference for the type of BATF binding site, TRE or CRE, is also altered when IRF proteins bind. These in vitro preferences aid in the understanding of in vivo binding activities. Electronic supplementary material The online version of this article (10.1186/s12867-018-0106-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yiming K Chang
- Department of Genetics and Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Zheng Zuo
- Department of Genetics and Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Gary D Stormo
- Department of Genetics and Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO, USA.
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Yuanhong X, Feng X, Qingchang L, Jianpeng F, Zhe L, Kejian G. Downregulation of Ap-1 Repressor Jdp2 is Associated with Tumor Metastasis and Poor Prognosis in Patients with Pancreatic Carcinoma. Int J Biol Markers 2018; 25:136-40. [DOI: 10.1177/172460081002500303] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Pancreatic carcinoma is one of the most malignant and aggressive cancers. The identification of prognostic factors is thought to be useful in directing treatment. Transcription factor Jun dimerization protein 2 (JDP2), a member of the activator protein 1 (AP-1) family, acts as an AP-1 inhibitor and has been implicated in many cellular processes including carcinogenesis. The role of JDP2 in the development of pancreatic carcinoma, however, remained elusive. In this study we examined the expression levels of JDP2 in 36 pancreatic carcinoma samples by Western blotting and found that JDP2 expression was significantly downregulated in pancreatic carcinoma samples compared with peritumoral tissues. The decrease in JDP2 expression was correlated with lymph node metastasis and distant metastasis and strongly associated with the post-surgery survival time. These results indicate a possible connection between JDP2 expression and metastasis in pancreatic carcinoma and suggest that JDP2 can serve as a biomarker to predict the prognosis of patients with this cancer.
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Affiliation(s)
- Xu Yuanhong
- Department of Pancreatic and Gastroenterologic Surgery, First Hospital of China Medical University, Shenyang - China
| | - Xu Feng
- Department of Cadiovascular Medicine, First Hospital of China Medical University, Shenyang -China
| | - Li Qingchang
- Department of Pathology, College of Basic Medical Sciences, China Medical University, Shenyang - China
| | - Fan Jianpeng
- Department of Pancreatic and Gastroenterologic Surgery, First Hospital of China Medical University, Shenyang - China
| | - Liu Zhe
- Department of Pancreatic and Gastroenterologic Surgery, First Hospital of China Medical University, Shenyang - China
| | - Guo Kejian
- Department of Pancreatic and Gastroenterologic Surgery, First Hospital of China Medical University, Shenyang - China
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Coss D. Regulation of reproduction via tight control of gonadotropin hormone levels. Mol Cell Endocrinol 2018; 463:116-130. [PMID: 28342855 PMCID: PMC6457911 DOI: 10.1016/j.mce.2017.03.022] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 03/16/2017] [Accepted: 03/21/2017] [Indexed: 01/04/2023]
Abstract
Mammalian reproduction is controlled by the hypothalamic-pituitary-gonadal axis. GnRH from the hypothalamus regulates synthesis and secretion of gonadotropins, LH and FSH, which then control steroidogenesis and gametogenesis. In females, serum LH and FSH levels exhibit rhythmic changes throughout the menstrual or estrous cycle that are correlated with pulse frequency of GnRH. Lack of gonadotropins leads to infertility or amenorrhea. Dysfunctions in the tightly controlled ratio due to levels slightly outside the normal range occur in a larger number of women and are correlated with polycystic ovaries and premature ovarian failure. Since the etiology of these disorders is largely unknown, studies in cell and mouse models may provide novel candidates for investigations in human population. Hence, understanding the mechanisms whereby GnRH regulates gonadotropin hormone levels will provide insight into the physiology and pathophysiology of the reproductive system. This review discusses recent advances in our understanding of GnRH regulation of gonadotropin synthesis.
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Affiliation(s)
- Djurdjica Coss
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, Riverside, CA 92521, United States.
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The β-catenin/CBP-antagonist ICG-001 inhibits pediatric glioma tumorigenicity in a Wnt-independent manner. Oncotarget 2018; 8:27300-27313. [PMID: 28460484 PMCID: PMC5432336 DOI: 10.18632/oncotarget.15934] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 02/20/2017] [Indexed: 12/12/2022] Open
Abstract
Pediatric high-grade gliomas (pedHGG) belong to the most aggressive cancers in children with a poor prognosis due to a lack of efficient therapeutic strategies. The β-catenin/Wnt-signaling pathway was shown to hold promising potential as a treatment target in adult high-grade gliomas by abrogating tumor cell invasion and the acquisition of stem cell-like characteristics. Since pedHGG differ from their adult counterparts in genetically and biologically we aimed to investigate the effects of β-catenin/Wnt-signaling pathway-inhibition by the β-catenin/CBP antagonist ICG-001 in pedHGG cell lines. In contrast to adult HGG, pedHGG cells displayed minimal detectable canonical Wnt-signaling activity. Nevertheless, low doses of ICG-001 inhibited cell migration/invasion, tumorsphere- and colony formation, proliferation in vitro as well as tumor growth in vivo/ovo, suggesting that ICG-001 affects pedHGG tumor cell characteristics independent of β-catenin/Wnt-signaling. RNA-sequencing analyses support a Wnt/β-catenin-independent effect of ICG-001 on target gene transcription, revealing strong effects on genes involved in cellular metabolic/biosynthetic processes and cell cycle progression. Among these, high mRNA expression of cell cycle regulator JDP2 was found to confer a better prognosis for pedHGG patients. In conclusion, ICG-001 might offer an effective treatment option for pedHGG patients functioning to regulate cell phenotype and gene expression programs in absence of Wnt/β-catenin signaling-activity.
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A systematic exploration of the interactions between bacterial effector proteins and host cell membranes. Nat Commun 2017; 8:532. [PMID: 28912547 PMCID: PMC5599653 DOI: 10.1038/s41467-017-00700-7] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 07/20/2017] [Indexed: 01/08/2023] Open
Abstract
Membrane-bound organelles serve as platforms for the assembly of multi-protein complexes that function as hubs of signal transduction in eukaryotic cells. Microbial pathogens have evolved virulence factors that reprogram these host signaling responses, but the underlying molecular mechanisms are poorly understood. Here we test the ability of ~200 type III and type IV effector proteins from six Gram-negative bacterial species to interact with the eukaryotic plasma membrane and intracellular organelles. We show that over 30% of the effectors localize to yeast and mammalian cell membranes, including a subset of previously uncharacterized Legionella effectors that appear to be able to regulate yeast vacuolar fusion. A combined genetic, cellular, and biochemical approach supports that some of the tested bacterial effectors can bind to membrane phospholipids and may regulate membrane trafficking. Finally, we show that the type III effector IpgB1 from Shigella flexneri may bind to acidic phospholipids and regulate actin filament dynamics.Microbial pathogens secrete effector proteins into host cells to affect cellular functions. Here, the authors use a yeast-based screen to study around 200 effectors from six bacterial species, showing that over 30% of them interact with the eukaryotic plasma membrane or intracellular organelles.
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c-Jun dimerization protein 2 (JDP2) deficiency promotes cardiac hypertrophy and dysfunction in response to pressure overload. Int J Cardiol 2017; 249:357-363. [PMID: 28893429 DOI: 10.1016/j.ijcard.2017.08.074] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 08/23/2017] [Accepted: 08/29/2017] [Indexed: 02/02/2023]
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Moosavi B, Mousavi B, Yang WC, Yang GF. Yeast-based assays for detecting protein-protein/drug interactions and their inhibitors. Eur J Cell Biol 2017. [PMID: 28645461 DOI: 10.1016/j.ejcb.2017.06.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Understanding cellular processes at molecular levels in health and disease requires the knowledge of protein-protein interactions (PPIs). In line with this, identification of PPIs at genome-wide scale is highly valuable to understand how different cellular pathways are interconnected, and it eventually facilitates designing effective drugs against certain PPIs. Furthermore, investigating PPIs at a small laboratory scale for deciphering certain biochemical pathways has been demanded for years. In this regard, yeast two hybrid system (Y2HS) has proven an extremely useful tool to discover novel PPIs, while Y2HS derivatives and novel yeast-based assays are contributing significantly to identification of protein-drug/inhibitor interaction at both large- and small-scale set-ups. These methods have been evolving over time to provide more accurate, reproducible and quantitative results. Here we briefly describe different yeast-based assays for identification of various protein-protein/drug/inhibitor interactions and their specific applications, advantages, shortcomings, and improvements. The broad range of yeast-based assays facilitates application of the most suitable method(s) for each specific need.
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Affiliation(s)
- Behrooz Moosavi
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, PR China.
| | - Bibimaryam Mousavi
- Laboratory of Organometallics, Catalysis and Ordered Materials, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, PR China
| | - Wen-Chao Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, PR China
| | - Guang-Fu Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, PR China.
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