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段 一, 文 飞. Recent research on the association between signal transducer and activator of transcription 5 and childhood acute lymphoblastic leukemia. ZHONGGUO DANG DAI ER KE ZA ZHI = CHINESE JOURNAL OF CONTEMPORARY PEDIATRICS 2022; 24:942-947. [PMID: 36036135 PMCID: PMC9425862 DOI: 10.7499/j.issn.1008-8830.2203117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 06/27/2022] [Indexed: 06/15/2023]
Abstract
Signal transducer and activator of transcription 5 (STAT5) can be involved in the processes such as cell proliferation, differentiation, apoptosis, and hematopoiesis, and its dysregulation is closely associated with the development and progression of malignant tumors including leukemia and may affect the treatment outcome and prognosis of pediatric patients. Identification of STAT5 can facilitate targeted therapy to improve the response rate of children with acute lymphoblastic leukemia. This article reviews the impact of STAT5 on the development/progression, targeted therapy strategies and the prognosis of childhood acute lymphoblastic leukemia.
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Yeewa R, Chaiya P, Jantrapirom S, Shotelersuk V, Lo Piccolo L. Multifaceted roles of YEATS domain-containing proteins and novel links to neurological diseases. Cell Mol Life Sci 2022; 79:183. [PMID: 35279775 PMCID: PMC11071958 DOI: 10.1007/s00018-022-04218-0] [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: 11/17/2021] [Revised: 02/17/2022] [Accepted: 02/22/2022] [Indexed: 11/29/2022]
Abstract
The so-called Yaf9, ENL, AF9, Taf14, and Sas5 (YEATS) domain-containing proteins, hereafter referred to as YD proteins, take control over the transcription by multiple steps of regulation either involving epigenetic remodelling of chromatin or guiding the processivity of RNA polymerase II to facilitate elongation-coupled mRNA 3' processing. Interestingly, an increasing amount of evidence suggest a wider repertoire of YD protein's functions spanning from non-coding RNA regulation, RNA-binding proteins networking, post-translational regulation of a few signalling transduction proteins and the spindle pole formation. However, such a large set of non-canonical roles is still poorly characterized. Notably, four paralogous of human YEATS domain family members, namely eleven-nineteen-leukaemia (ENL), ALL1-fused gene from chromosome 9 protein (AF9), YEATS2 and glioma amplified sequence 41 (GAS41), have a strong link to cancer yet new findings also highlight a potential novel role in neurological diseases. Here, in an attempt to more comprehensively understand the complexity of four YD proteins and to gain more insight into the novel functions they may accomplish in the neurons, we summarized the YD protein's networks, systematically searched and reviewed the YD genetic variants associated with neurodevelopmental disorders and finally interrogated the model organism Drosophila melanogaster.
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Affiliation(s)
- Ranchana Yeewa
- Centre of Multidisciplinary Technology for Advanced Medicine (CMUTEAM), Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Pawita Chaiya
- Centre of Multidisciplinary Technology for Advanced Medicine (CMUTEAM), Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Salinee Jantrapirom
- Drosophila Centre for Human Diseases and Drug Discovery (DHD), Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
- Department of Pharmacology, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Vorasuk Shotelersuk
- Centre of Excellence for Medical Genomics, Medical Genomics Cluster, Department of Paediatrics, Faculty of Medicine, Chulalongkorn University, Bangkok, 10330, Thailand
- Excellence Centre for Genomics and Precision Medicine, The Thai Red Cross Society, King Chulalongkorn Memorial Hospital, Bangkok, 10330, Thailand
| | - Luca Lo Piccolo
- Centre of Multidisciplinary Technology for Advanced Medicine (CMUTEAM), Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand.
- Musculoskeletal Science and Translational Research Centre (MSTR), Faculty of Medicine, Chiang Mai University, Muang, Chiang Mai, 50200, Thailand.
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Detilleux D, Raynaud P, Pradet-Balade B, Helmlinger D. The TRRAP transcription cofactor represses interferon-stimulated genes in colorectal cancer cells. eLife 2022; 11:69705. [PMID: 35244540 PMCID: PMC8926402 DOI: 10.7554/elife.69705] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 03/03/2022] [Indexed: 11/30/2022] Open
Abstract
Transcription is essential for cells to respond to signaling cues and involves factors with multiple distinct activities. One such factor, TRRAP, functions as part of two large complexes, SAGA and TIP60, which have crucial roles during transcription activation. Structurally, TRRAP belongs to the phosphoinositide 3 kinase-related kinases (PIKK) family but is the only member classified as a pseudokinase. Recent studies established that a dedicated HSP90 co-chaperone, the triple T (TTT) complex, is essential for PIKK stabilization and activity. Here, using endogenous auxin-inducible degron alleles, we show that the TTT subunit TELO2 promotes TRRAP assembly into SAGA and TIP60 in human colorectal cancer cells (CRCs). Transcriptomic analysis revealed that TELO2 contributes to TRRAP regulatory roles in CRC cells, most notably of MYC target genes. Surprisingly, TELO2 and TRRAP depletion also induced the expression of type I interferon genes. Using a combination of nascent RNA, antibody-targeted chromatin profiling (CUT&RUN), ChIP, and kinetic analyses, we propose a model by which TRRAP directly represses the transcription of IRF9, which encodes a master regulator of interferon-stimulated genes. We have therefore uncovered an unexpected transcriptional repressor role for TRRAP, which we propose contributes to its tumorigenic activity.
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Affiliation(s)
| | - Peggy Raynaud
- CRBM, University of Montpellier, CNRS, Montpellier, France
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Palli SR. Epigenetic regulation of post-embryonic development. CURRENT OPINION IN INSECT SCIENCE 2021; 43:63-69. [PMID: 33068783 PMCID: PMC8044252 DOI: 10.1016/j.cois.2020.09.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 09/09/2020] [Accepted: 09/18/2020] [Indexed: 05/02/2023]
Abstract
Modifications to DNA and core histones influence chromatin organization and expression of the genome. DNA methylation plays a significant role in the regulation of multiple biological processes that regulate behavior and caste differentiation in social insects. Histone modifications play significant roles in the regulation of development and reproduction in other insects. Genes coding for acetyltransferases, deacetylases, methyltransferases, and demethylases that modify core histones have been identified in genomes of multiple insects. Studies on the function and mechanisms of action of some of these enzymes uncovered their contribution to post-embryonic development. The results from studies on epigenetic modifiers could help in the identification of inhibitors of epigenetic modifiers that could be developed to control pests and disease vectors.
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Affiliation(s)
- Subba Reddy Palli
- Department of Entomology, College of Agriculture, Food and Environment, University of Kentucky, S225 Ag. Science N, Lexington, KY 40546, United States.
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Justice MJ. From its roots come branches and growth for Disease Models & Mechanisms. Dis Model Mech 2021; 14:14/1/dmm048915. [PMID: 33735100 PMCID: PMC7859700 DOI: 10.1242/dmm.048915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Monica J Justice
- Program in Genetics and Genome Biology, The Hospital for Sick Children, and Department of Molecular Genetics, The University of Toronto, Toronto, Ontario M5G 0A4, Canada
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Hackett R. DMM Outstanding Paper Prize 2019 winner: Alessandro Bailetti. Dis Model Mech 2020; 13:13/8/dmm046672. [PMID: 32817075 PMCID: PMC7438010 DOI: 10.1242/dmm.046672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Disease Models & Mechanisms (DMM) is delighted to announce (with apologies for the delay) that the winner of the DMM Prize 2019 is Alessandro Bailetti, for his paper entitled ‘Enhancer of Polycomb and the Tip60 complex repress hematological tumor initiation by negatively regulating JAK/STAT pathway activity’ (
Bailetti et al., 2019). The prize of $1000 is awarded to the first author of the paper that is judged by the journal's editors to be the most outstanding contribution to the journal that year. To be considered for the prize, the first author must be a student or a postdoc of no more than 5 years standing.
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Affiliation(s)
- Rachel Hackett
- The Company of Biologists, Bidder Building, Station Road, Histon, Cambridge CB24 9LF, UK
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Cao H, Gao R, Chen L, Feng Y. TRIM66 promotes malignant progression of prostate carcinoma through the JAK/STAT pathway. FEBS Open Bio 2020; 10:515-524. [PMID: 31981447 PMCID: PMC7137797 DOI: 10.1002/2211-5463.12798] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 12/09/2019] [Accepted: 01/20/2020] [Indexed: 12/14/2022] Open
Abstract
Prostate cancer is the fifth leading cause of cancer‐related deaths in males globally. Tripartite Motif Containing 66 (TRIM66) functions as transcriptional repressor and exerts its effect at least partially through promotion of deacetylase. TRIM66 has been previously reported to play an oncogenic role in a number of human cancers. Here, we investigated the potential oncogenic properties of TRIM66 in prostate cancer. We report that shRNA‐mediated knockdown of TRIM66 significantly suppressed viability and proliferation of both PC‐3 and DU145 prostate cancer cell lines. Furthermore, TRIM66 deficiency inhibited migration and invasion of prostate cancer cells. Mechanistically, TRIM66 positively regulated signal transducer and activator of transcription 2 (STAT2) and interleukin‐2 (IL‐2) expression. The predominance of STAT2–IL‐2 in mediating the oncogenic properties of TRIM66 was determined using a rescue assay, wherein overexpression of either STAT2 or IL‐2 almost completely abolished the inhibitory effects on cell proliferation, migration and invasion elicited by TRIM66 deficiency in prostate cancer cells. Our study highlights the importance of the TRIM66–STAT2–IL‐2 signaling axis in the tumor biology of prostate cancer.
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Affiliation(s)
- Hongwen Cao
- Surgical Department I (Urology Department), LongHua Hospital Shanghai University of Traditional Chinese Medicine, China
| | - Renjie Gao
- Surgical Department I (Urology Department), LongHua Hospital Shanghai University of Traditional Chinese Medicine, China
| | - Lei Chen
- Surgical Department I (Urology Department), LongHua Hospital Shanghai University of Traditional Chinese Medicine, China
| | - Yigeng Feng
- Surgical Department I (Urology Department), LongHua Hospital Shanghai University of Traditional Chinese Medicine, China
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Justice MJ, Hmeljak J, Sankaran VG, Socolovsky M, Zon LI. From blood development to disease: a paradigm for clinical translation. Dis Model Mech 2020; 13:dmm043661. [PMID: 31836582 PMCID: PMC6994934 DOI: 10.1242/dmm.043661] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Translating basic research to the clinic is a primary aim of Disease Models & Mechanisms, and the recent successes in hematopoiesis research provide a blueprint of how fundamental biological research can provide solutions to important clinical problems. These advances were the main motivation for choosing hematopoiesis disorders as the focus of our inaugural meeting, 'Blood Disorders: Models, Mechanisms and Therapies', which was held in early October 2019. This Editorial discusses the reasons for and the challenges of interdisciplinary research in hematopoiesis, provides examples of how research in model systems is a key translational step towards effective treatments for blood disorders and summarizes what the community believes are the key exciting developments and challenges in this field.
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First person – Alessandro A. Bailetti. Dis Model Mech 2019. [PMCID: PMC6550038 DOI: 10.1242/dmm.040535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
First Person is a series of interviews with the first authors of a selection of papers published in Disease Models & Mechanisms (DMM), helping early-career researchers promote themselves alongside their papers. Alessandro Bailetti is first author on ‘Enhancer of polycomb/Tip60 represses hematological tumor initiation by negatively regulating JAK/STAT pathway activity’, published in DMM. Alessandro conducted the research described in this article while a graduate assistant in Dr Erika A. Bach's lab at New York University (NYU) School of Medicine, New York, USA. He is now a postdoctoral fellow in the lab of Dr Anthony Oro at Program in Epithelial Biology, Department of Dermatology, Stanford University, Stanford, USA, investigating development, genetics, genomics, cell signaling, gene transcription and chromatin modification.
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