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Dunn-Davies H, Dudnakova T, Nogara A, Rodor J, Thomas AC, Parish E, Gautier P, Meynert A, Ulitsky I, Madeddu P, Caporali A, Baker A, Tollervey D, Mitić T. Control of endothelial cell function and arteriogenesis by MEG3:EZH2 epigenetic regulation of integrin expression. Mol Ther Nucleic Acids 2024; 35:102173. [PMID: 38617973 PMCID: PMC11015509 DOI: 10.1016/j.omtn.2024.102173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 03/14/2024] [Indexed: 04/16/2024]
Abstract
Epigenetic processes involving long non-coding RNAs regulate endothelial gene expression. However, the underlying regulatory mechanisms causing endothelial dysfunction remain to be elucidated. Enhancer of zeste homolog 2 (EZH2) is an important rheostat of histone H3K27 trimethylation (H3K27me3) that represses endothelial targets, but EZH2 RNA binding capacity and EZH2:RNA functional interactions have not been explored in post-ischemic angiogenesis. We used formaldehyde/UV-assisted crosslinking ligation and sequencing of hybrids and identified a new role for maternally expressed gene 3 (MEG3). MEG3 formed the predominant RNA:RNA hybrid structures in endothelial cells. Moreover, MEG3:EZH2 assists recruitment onto chromatin. By EZH2-chromatin immunoprecipitation, following MEG3 depletion, we demonstrated that MEG3 controls recruitment of EZH2/H3K27me3 onto integrin subunit alpha4 (ITGA4) promoter. Both MEG3 knockdown or EZH2 inhibition (A-395) promoted ITGA4 expression and improved endothelial cell migration and adhesion to fibronectin in vitro. The A-395 inhibitor re-directed MEG3-assisted chromatin remodeling, offering a direct therapeutic benefit by increasing endothelial function and resilience. This approach subsequently increased the expression of ITGA4 in arterioles following ischemic injury in mice, thus promoting arteriogenesis. Our findings show a context-specific role for MEG3 in guiding EZH2 to repress ITGA4. Novel therapeutic strategies could antagonize MEG3:EZH2 interaction for pre-clinical studies.
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Affiliation(s)
- Hywel Dunn-Davies
- Wellcome Centre for Cell Biology, University of Edinburgh, Michael Swann Building Max Born Crescent, King’s Buildings, Edinburgh EH9 3BF, UK
| | - Tatiana Dudnakova
- University/British Heart Foundation Centre for Cardiovascular Science, Queen’s Medical Research Institute (QMRI), The University of Edinburgh, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Antonella Nogara
- University/British Heart Foundation Centre for Cardiovascular Science, Queen’s Medical Research Institute (QMRI), The University of Edinburgh, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Julie Rodor
- University/British Heart Foundation Centre for Cardiovascular Science, Queen’s Medical Research Institute (QMRI), The University of Edinburgh, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Anita C. Thomas
- Bristol Medical School, Translational Health Sciences, University of Bristol, Research and Teaching Floor Level 7, Queens Building, Bristol Royal Infirmary, Bristol BS2 8HW, UK
| | - Elisa Parish
- University/British Heart Foundation Centre for Cardiovascular Science, Queen’s Medical Research Institute (QMRI), The University of Edinburgh, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Philippe Gautier
- MRC Human Genetics Unit, MRC Institute of Genetics and Cancer, The University of Edinburgh, Western General Hospital, Crewe Road, Edinburgh EH4 2XU, UK
| | - Alison Meynert
- MRC Human Genetics Unit, MRC Institute of Genetics and Cancer, The University of Edinburgh, Western General Hospital, Crewe Road, Edinburgh EH4 2XU, UK
| | - Igor Ulitsky
- Department of Immunology and Regenerative Biology and Department of Molecular Neuroscience, Weizmann-UK Building rm. 007, Weizmann Institute of Science Rehovot 76100, Israel
| | - Paolo Madeddu
- Bristol Medical School, Translational Health Sciences, University of Bristol, Research and Teaching Floor Level 7, Queens Building, Bristol Royal Infirmary, Bristol BS2 8HW, UK
| | - Andrea Caporali
- University/British Heart Foundation Centre for Cardiovascular Science, Queen’s Medical Research Institute (QMRI), The University of Edinburgh, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Andrew Baker
- University/British Heart Foundation Centre for Cardiovascular Science, Queen’s Medical Research Institute (QMRI), The University of Edinburgh, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - David Tollervey
- Wellcome Centre for Cell Biology, University of Edinburgh, Michael Swann Building Max Born Crescent, King’s Buildings, Edinburgh EH9 3BF, UK
| | - Tijana Mitić
- University/British Heart Foundation Centre for Cardiovascular Science, Queen’s Medical Research Institute (QMRI), The University of Edinburgh, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
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102
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Brull A, Sarathy A, Bolduc V, Chen GS, McCarty RM, Bönnemann CG. Optimized allele-specific silencing of the dominant-negative COL6A1 G293R substitution causing collagen VI-related dystrophy. Mol Ther Nucleic Acids 2024; 35:102178. [PMID: 38617974 PMCID: PMC11015156 DOI: 10.1016/j.omtn.2024.102178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 03/19/2024] [Indexed: 04/16/2024]
Abstract
Collagen VI-related dystrophies (COL6-RDs) are a group of severe, congenital-onset muscular dystrophies for which there is no effective causative treatment. Dominant-negative mutations are common in COL6A1, COL6A2, and COL6A3 genes, encoding the collagen α1, α2, and α3 (VI) chains. They act by incorporating into the hierarchical assembly of the three α (VI) chains and consequently produce a dysfunctional collagen VI extracellular matrix, while haploinsufficiency for any of the COL6 genes is not associated with disease. Hence, allele-specific transcript inactivation is a valid therapeutic strategy, although selectively targeting a pathogenic single nucleotide variant is challenging. Here, we develop a small interfering RNA (siRNA) that robustly, and in an allele-specific manner, silences a common glycine substitution (G293R) caused by a single nucleotide change in COL6A1 gene. By intentionally introducing an additional mismatch into the siRNA design, we achieved enhanced specificity toward the mutant allele. Treatment of patient-derived fibroblasts effectively reduced the levels of mutant transcripts while maintaining unaltered wild-type transcript levels, rescuing the secretion and assembly of collagen VI matrix by reducing the dominant-negative effect of mutant chains. Our findings establish a promising treatment approach for patients with the recurrent dominantly negative acting G293R glycine substitution.
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Affiliation(s)
- Astrid Brull
- Neurogenetics and Neuromuscular Disorders of Childhood Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA
| | - Apurva Sarathy
- Neurogenetics and Neuromuscular Disorders of Childhood Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA
| | - Véronique Bolduc
- Neurogenetics and Neuromuscular Disorders of Childhood Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA
| | - Grace S. Chen
- Neurogenetics and Neuromuscular Disorders of Childhood Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA
| | - Riley M. McCarty
- Neurogenetics and Neuromuscular Disorders of Childhood Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA
| | - Carsten G. Bönnemann
- Neurogenetics and Neuromuscular Disorders of Childhood Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA
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103
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Su H, Zhi D, Song Y, Yang Y, Wang D, Li X, Cao G. Exploring the formation mechanism of short-tailed phenotypes in animals using mutant mice with the TBXT gene c.G334T developed by CRISPR/Cas9. Gene 2024; 910:148310. [PMID: 38401832 DOI: 10.1016/j.gene.2024.148310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 02/01/2024] [Accepted: 02/21/2024] [Indexed: 02/26/2024]
Abstract
With the change in diet structure, individuals prefer to consume mutton with less fat. However, sheep tail has a lot of fat. We identified a breed of low-fat short-tailed sheep (i.e., Hulunbuir short-tailed sheep). It is necessary to develop an animal model that can promote research on the potential mechanisms of the short-tail phenotype in sheep, which results from the TBXT gene c.G334T mutation. To create animal models, we selected mice as experimental animals. Mouse embryos lacking the TBXT protein, which crucially regulates mouse embryonic development, cannot develop normally. We utilized CRISPR/Cas9 gene editing technology to generate site-specific mutation (c.G334T) in the TBXT gene of mice, and found that the mouse TBXT mutation (c.G334T) leads to a short-tail phenotype. Furthermore, we investigated the interaction between TBXT and Wnt signaling pathways. The expressions of TBXT, Axin2, Dkk1, Wnt3, Wnt3a, and Wnt5a were discovered to be significantly different between mutant embryos and wild embryos by obtaining mouse embryos at various developmental stages and examining the expression relationship between the TBXT and Wnt signaling pathway-related components in all of these embryos. Therefore, as a transcription factor, TBXT regulates the expression of the aforementioned Wnt signaling pathway components by forming a regulatory network for the normal development of mouse embryos. This study enriches the research on the functional role of the TBXT in the development of mouse embryos and the mechanism by which the short-tailed phenotype in sheep develops.
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Affiliation(s)
- Hong Su
- College of Veterinary Medicine, Inner Mongolia Agricultural University, China; Animal Embryo and Developmental Engineering Key Laboratory of Higher Education, Institutions of Inner Mongolia Autonomous Region, China; Inner Mongolia Autonomous Region Key Laboratory of Basic Veterinary Medicine, China.
| | - Dafu Zhi
- College of Veterinary Medicine, Inner Mongolia Agricultural University, China; Animal Embryo and Developmental Engineering Key Laboratory of Higher Education, Institutions of Inner Mongolia Autonomous Region, China; Inner Mongolia Autonomous Region Key Laboratory of Basic Veterinary Medicine, China.
| | - Yongli Song
- College of Life Sciences, Inner Mongolia University, China.
| | - Yanyan Yang
- Inner Mongolia Academy of Agriculture and Animal Husbandry, China.
| | - Daqing Wang
- College of Veterinary Medicine, Inner Mongolia Agricultural University, China; Animal Embryo and Developmental Engineering Key Laboratory of Higher Education, Institutions of Inner Mongolia Autonomous Region, China; Inner Mongolia Autonomous Region Key Laboratory of Basic Veterinary Medicine, China; Inner Mongolia Academy of Agriculture and Animal Husbandry, China.
| | - Xiunan Li
- College of Veterinary Medicine, Inner Mongolia Agricultural University, China; Animal Embryo and Developmental Engineering Key Laboratory of Higher Education, Institutions of Inner Mongolia Autonomous Region, China; Inner Mongolia Autonomous Region Key Laboratory of Basic Veterinary Medicine, China; Inner Mongolia Academy of Agriculture and Animal Husbandry, China.
| | - Guifang Cao
- College of Veterinary Medicine, Inner Mongolia Agricultural University, China; Animal Embryo and Developmental Engineering Key Laboratory of Higher Education, Institutions of Inner Mongolia Autonomous Region, China; Inner Mongolia Autonomous Region Key Laboratory of Basic Veterinary Medicine, China.
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104
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Xie S, Kuang W, Guo M, Yang F, Jin H, Chen X, Yi L, Huo C, Xu Z, Lin A, Liu W, Mao J, Shu Q, Zhou T. m6Am methyltransferase PCIF1 negatively regulates ciliation by inhibiting BICD2 expression. J Cell Biol 2024; 223:e202307002. [PMID: 38526325 DOI: 10.1083/jcb.202307002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 01/07/2024] [Accepted: 02/29/2024] [Indexed: 03/26/2024] Open
Abstract
N6, 2'-O-dimethyladenosine (m6Am) is a widespread RNA modification catalyzed by the methyltransferase PCIF1 (phosphorylated CTD interacting factor 1). Despite its prevalence, the biological functions of m6Am in RNA remain largely elusive. Here, we report a critical role of PCIF1-dependent m6Am RNA modification in ciliogenesis in RPE-1 cells. Our findings demonstrate that PCIF1 acts as a negative regulator of ciliation through its m6Am methyltransferase activity. A quantitative proteomic analysis identifies BICD2 as a downstream target of PCIF1, with PCIF1 depletion resulting in a significant increase in BICD2 levels. BICD2 depletion leads to a significant reduction in ciliation. Crucially, the ciliary phenotype in PCIF1-depleted cells is reversed upon BICD2 knockdown. Further investigations reveal that PCIF1 regulates BICD2 protein levels through its m6Am catalytic activity, which reduces the stability and translation efficiency of BICD2 mRNA. Single-base resolution LC-MS analysis identifies the m6Am site on BICD2 mRNA modified by PCIF1. These findings establish the essential involvement of PCIF1-dependent m6Am modification in ciliogenesis.
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Affiliation(s)
- Shanshan Xie
- Children's Hospital, National Clinical Research Center for Child Health, Zhejiang University School of Medicine, Hangzhou, China
| | - Wenjun Kuang
- International Institutes of Medicine, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China
| | - Mengzhe Guo
- School of Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Feng Yang
- Children's Hospital, National Clinical Research Center for Child Health, Zhejiang University School of Medicine, Hangzhou, China
| | - Hao Jin
- Department of Cell Biology, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiying Chen
- Department of Cell Biology, Zhejiang University School of Medicine, Hangzhou, China
| | - Li Yi
- Department of Cell Biology, Zhejiang University School of Medicine, Hangzhou, China
| | - Chunxiao Huo
- Department of Cell Biology, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhangqi Xu
- Children's Hospital, National Clinical Research Center for Child Health, Zhejiang University School of Medicine, Hangzhou, China
| | - Aifu Lin
- MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Wei Liu
- Metabolic Medicine Center, International Institutes of Medicine and the Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China
| | - Jianhua Mao
- Children's Hospital, National Clinical Research Center for Child Health, Zhejiang University School of Medicine, Hangzhou, China
| | - Qiang Shu
- Children's Hospital, National Clinical Research Center for Child Health, Zhejiang University School of Medicine, Hangzhou, China
| | - Tianhua Zhou
- Department of Cell Biology, Zhejiang University School of Medicine, Hangzhou, China
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105
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Xiong GJ, Sheng ZH. Presynaptic perspective: Axonal transport defects in neurodevelopmental disorders. J Cell Biol 2024; 223:e202401145. [PMID: 38568173 PMCID: PMC10988239 DOI: 10.1083/jcb.202401145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 03/20/2024] [Accepted: 03/21/2024] [Indexed: 04/05/2024] Open
Abstract
Disruption of synapse assembly and maturation leads to a broad spectrum of neurodevelopmental disorders. Presynaptic proteins are largely synthesized in the soma, where they are packaged into precursor vesicles and transported into distal axons to ensure precise assembly and maintenance of presynapses. Due to their morphological features, neurons face challenges in the delivery of presynaptic cargos to nascent boutons. Thus, targeted axonal transport is vital to build functional synapses. A growing number of mutations in genes encoding the transport machinery have been linked to neurodevelopmental disorders. Emerging lines of evidence have started to uncover presynaptic mechanisms underlying axonal transport defects, thus broadening the view of neurodevelopmental disorders beyond postsynaptic mechanisms. In this review, we discuss presynaptic perspectives of neurodevelopmental disorders by focusing on impaired axonal transport and disturbed assembly and maintenance of presynapses. We also discuss potential strategies for restoring axonal transport as an early therapeutic intervention.
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Affiliation(s)
- Gui-Jing Xiong
- Synaptic Function Section, The Porter Neuroscience Research Center, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Zu-Hang Sheng
- Synaptic Function Section, The Porter Neuroscience Research Center, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
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106
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Yang Y, Wu M, Pan Y, Hua Y, He X, Li X, Wang J, Gan X. WW domains form a folded type of nuclear localization signal to guide YAP1 nuclear import. J Cell Biol 2024; 223:e202308013. [PMID: 38488622 PMCID: PMC10942854 DOI: 10.1083/jcb.202308013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 12/31/2023] [Accepted: 02/23/2024] [Indexed: 03/18/2024] Open
Abstract
The nuclear translocation of YAP1 is significantly implicated in the proliferation, stemness, and metastasis of cancer cells. Although the molecular basis underlying YAP1 subcellular distribution has been extensively explored, it remains to be elucidated how the nuclear localization signal guides YAP1 to pass through the nuclear pore complex. Here, we define a globular type of nuclear localization signal composed of folded WW domains, named as WW-NLS. It directs YAP1 nuclear import through the heterodimeric nuclear transport receptors KPNA-KPNB1, bypassing the canonical nuclear localization signal that has been well documented in KPNA/KPNB1-mediated nuclear import. Strikingly, competitive interference with the function of the WW-NLS significantly attenuates YAP1 nuclear translocation and damages stemness gene activation and sphere formation in malignant breast cancer cells. Our findings elucidate a novel globular type of nuclear localization signal to facilitate nuclear entry of WW-containing proteins including YAP1.
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Affiliation(s)
- Yilin Yang
- Department of Biochemistry and Molecular Biology, Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, School of Basic Medical Sciences, Fudan University, Shanghai, PR China
| | - Mengxiao Wu
- Department of Biochemistry and Molecular Biology, Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, School of Basic Medical Sciences, Fudan University, Shanghai, PR China
| | - Yu Pan
- Department of Biochemistry and Molecular Biology, Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, School of Basic Medical Sciences, Fudan University, Shanghai, PR China
| | - Yue Hua
- Department of Biochemistry and Molecular Biology, Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, School of Basic Medical Sciences, Fudan University, Shanghai, PR China
| | - Xinyu He
- Department of Biochemistry and Molecular Biology, Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, School of Basic Medical Sciences, Fudan University, Shanghai, PR China
| | - Xinyang Li
- Department of Biochemistry and Molecular Biology, Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, School of Basic Medical Sciences, Fudan University, Shanghai, PR China
| | - Jiyong Wang
- Department of Biochemistry and Molecular Biology, Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, School of Basic Medical Sciences, Fudan University, Shanghai, PR China
| | - Xiaoqing Gan
- Department of Biochemistry and Molecular Biology, Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, School of Basic Medical Sciences, Fudan University, Shanghai, PR China
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107
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Singh A, Chimata AV, Deshpande P, Bajpai S, Sangeeth A, Rajput M, Singh A. SARS-CoV2 Nsp3 protein triggers cell death and exacerbates amyloid β42-mediated neurodegeneration. Neural Regen Res 2024; 19:1385-1392. [PMID: 37905889 DOI: 10.4103/1673-5374.382989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 07/25/2023] [Indexed: 11/02/2023] Open
Abstract
Abstract
JOURNAL/nrgr/04.03/01300535-202406000-00044/inline-graphic1/v/2023-10-30T152229Z/r/image-tiff
Infection caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV2) virus, responsible for the coronavirus disease 2019 (COVID-19) pandemic, induces symptoms including increased inflammatory response, severe acute respiratory syndrome (SARS), cognitive dysfunction like brain fog, and cardiovascular defects. Long-term effects of SARS-CoV2 COVID-19 syndrome referred to as post-COVID-19 syndrome on age-related progressive neurodegenerative disorders such as Alzheimer’s disease remain understudied. Using the targeted misexpression of individual SARS-CoV2 proteins in the retinal neurons of the Drosophila
melanogaster eye, we found that misexpression of nonstructural protein 3 (Nsp3), a papain-like protease, ablates the eye and generates dark necrotic spots. Targeted misexpression of Nsp3 in the eye triggers reactive oxygen species production and leads to apoptosis as shown by cell death reporters, terminal deoxynucleotidyl transferase (TdT) dUTP Nick-end labeling (TUNEL) assay, and dihydroethidium staining. Furthermore, Nsp3 misexpression activates both apoptosis and autophagy mechanism(s) to regulate tissue homeostasis. Transient expression of SARS-CoV2 Nsp3 in murine neuroblastoma, Neuro-2a cells, significantly reduced the metabolic activity of these cells and triggers cell death. Misexpression of SARS-CoV2 Nsp3 in an Alzheimer’s disease transgenic fly eye model (glass multiple repeats [GMR]>amyloid β42) further enhances the neurodegenerative rough eye phenotype due to increased cell death. These findings suggest that SARS-CoV2 utilizes Nsp3 protein to potentiate cell death response in a neurodegenerative disease background that has high pre-existing levels of neuroinflammation and cell death.
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Affiliation(s)
- Aditi Singh
- Department of Biology, University of Dayton, Dayton, OH, USA
| | | | | | - Soumya Bajpai
- Department of Biology, University of Dayton, Dayton, OH, USA
| | - Anjali Sangeeth
- Department of Biology, University of Dayton, Dayton, OH, USA
| | | | - Amit Singh
- Department of Biology, University of Dayton, Dayton, OH, USA
- Premedical Program, University of Dayton, Dayton, OH, USA
- Center for Tissue Regeneration and Engineering at Dayton (TREND), University of Dayton, Dayton, OH, USA
- The Integrative Science and Engineering Center, University of Dayton, Dayton, OH, USA
- Center for Genomic Advocacy (TCGA), Indiana State University, Terre Haute, IN, USA
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108
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Xu D, Wang W, Wang D, Ding J, Zhou Y, Zhang W. Long noncoding RNA MALAT-1: A versatile regulator in cancer progression, metastasis, immunity, and therapeutic resistance. Noncoding RNA Res 2024; 9:388-406. [PMID: 38511067 PMCID: PMC10950606 DOI: 10.1016/j.ncrna.2024.01.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/24/2024] [Accepted: 01/24/2024] [Indexed: 03/22/2024] Open
Abstract
Long noncoding RNAs (lncRNAs) are RNA transcripts longer than 200 nucleotides that do not code for proteins but have been linked to cancer development and metastasis. Metastasis-associated lung adenocarcinoma transcript 1 (MALAT-1) influences crucial cancer hallmarks through intricate molecular mechanisms, including proliferation, invasion, angiogenesis, apoptosis, and the epithelial-mesenchymal transition (EMT). The current article highlights the involvement of MALAT-1 in drug resistance, making it a potential target to overcome chemotherapy refractoriness. It discusses the impact of MALAT-1 on immunomodulatory molecules, such as major histocompatibility complex (MHC) proteins and PD-L1, leading to immune evasion and hindering anti-tumor immune responses. MALAT-1 also plays a significant role in cancer immunology by regulating diverse immune cell populations. In summary, MALAT-1 is a versatile cancer regulator, influencing tumorigenesis, chemoresistance, and immunotherapy responses. Understanding its precise molecular mechanisms is crucial for developing targeted therapies, and therapeutic strategies targeting MALAT-1 show promise for improving cancer treatment outcomes. However, further research is needed to fully uncover the role of MALAT-1 in cancer biology and translate these findings into clinical applications.
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Affiliation(s)
- Dexin Xu
- Department of Orthopedics, Jilin Province FAW General Hospital, Changchun, 130000, China
| | - Wenhai Wang
- Department of Cardiology, Jilin Province FAW General Hospital, Changchun, 130000, China
| | - Duo Wang
- Department of Geriatrics, Jilin Province FAW General Hospital, Changchun, 130000, China
| | - Jian Ding
- Department of Electrodiagnosis, Jilin Province FAW General Hospital, Changchun, 130000, China
| | - Yunan Zhou
- Department of Orthopedics, Jilin Province FAW General Hospital, Changchun, 130000, China
| | - Wenbin Zhang
- Department of Cardiology, Jilin Province FAW General Hospital, Changchun, 130000, China
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109
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Hashem M, Mohandesi Khosroshahi E, Aliahmady M, Ghanei M, Soofi Rezaie Y, alsadat Jafari Y, rezaei F, Khodaparast eskadehi R, Kia Kojoori K, jamshidian F, Nabavi N, Rashidi M, Hasani Sadi F, Taheriazam A, Entezari M. Non-coding RNA transcripts, incredible modulators of cisplatin chemo-resistance in bladder cancer through operating a broad spectrum of cellular processes and signaling mechanism. Noncoding RNA Res 2024; 9:560-582. [PMID: 38515791 PMCID: PMC10955558 DOI: 10.1016/j.ncrna.2024.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 01/12/2024] [Accepted: 01/14/2024] [Indexed: 03/23/2024] Open
Abstract
Bladder cancer (BC) is a highly frequent neoplasm in correlation with significant rate of morbidity, mortality, and cost. The onset of BC is predominantly triggered by environmental and/or occupational exposures to carcinogens, such as tobacco. There are two distinct pathways by which BC can be developed, including non-muscle-invasive papillary tumors (NMIBC) and non-papillary (or solid) muscle-invasive tumors (MIBC). The Cancer Genome Atlas project has further recognized key genetic drivers of MIBC along with its subtypes with particular properties and therapeutic responses; nonetheless, NMIBC is the predominant BC presentation among the suffering individuals. Radical cystoprostatectomy, radiotherapy, and chemotherapy have been verified to be the common therapeutic interventions in metastatic tumors, among which chemotherapeutics are more conventionally utilized. Although multiple chemo drugs have been broadly administered for BC treatment, cisplatin is reportedly the most effective chemo drug against the corresponding malignancy. Notwithstanding, tumor recurrence is usually occurred following the consumption of cisplatin regimens, particularly due to the progression of chemo-resistant trait. In this framework, non-coding RNAs (ncRNAs), as abundant RNA transcripts arise from the human genome, are introduced to serve as crucial contributors to tumor expansion and cisplatin chemo-resistance in bladder neoplasm. In the current review, we first investigated the best-known ncRNAs, i.e. microRNAs (miRNAs), long ncRNAs (lncRNAs), and circular RNAs (circRNAs), correlated with cisplatin chemo-resistance in BC cells and tissues. We noticed that these ncRNAs could mediate the BC-related cisplatin-resistant phenotype through diverse cellular processes and signaling mechanisms, reviewed here. Eventually, diagnostic and prognostic potential of ncRNAs, as well as their therapeutic capabilities were highlighted in regard to BC management.
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Affiliation(s)
- Mehrdad Hashem
- Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Elaheh Mohandesi Khosroshahi
- Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Melika Aliahmady
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Morvarid Ghanei
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Yasamin Soofi Rezaie
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Yasamin alsadat Jafari
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
- Department of Biology, East Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Fatemeh rezaei
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
- Department of Biology, East Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Ramtin Khodaparast eskadehi
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
- Department of Biology, East Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Kimia Kia Kojoori
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
- Department of Biology, East Tehran Branch, Islamic Azad University, Tehran, Iran
| | - faranak jamshidian
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
- Department of Biology, East Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Noushin Nabavi
- Department of Urologic Sciences and Vancouver Prostate Centre, University of British Columbia, V6H3Z6, Vancouver, BC, Canada
| | - Mohsen Rashidi
- The Health of Plant and Livestock Products Research Center, Mazandaran University of Medical Sciences, Sari, Iran
- Department Pharmacology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Farzaneh Hasani Sadi
- General Practitioner, Kerman University of Medical Sciences, Kerman, 7616913555, Iran
| | - Afshin Taheriazam
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
- Department of Orthopedics, Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Maliheh Entezari
- Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
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110
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Carmi YK, Agbarya A, Khamaisi H, Farah R, Shechtman Y, Korobochka R, Gopas J, Mahajna J. Ovarian cancer ascites confers platinum chemoresistance to ovarian cancer cells. Transl Oncol 2024; 44:101939. [PMID: 38489872 PMCID: PMC10955424 DOI: 10.1016/j.tranon.2024.101939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 03/01/2024] [Accepted: 03/11/2024] [Indexed: 03/17/2024] Open
Abstract
Ovarian cancer (OC), the second most common form of gynecologic malignancy, has a poor prognosis and is often discovered in the late stages. Platinum-based chemotherapy is the first line of therapy. Nevertheless, treatment OC has proven challenging due to toxicity and the development of acquired resistance to therapy. Tumor microenvironment (TME) has been associated with platinum chemoresistance. Malignant ascites has been used as OC tumor microenvironment and its ability to induce platinum chemoresistance has been investigated. Our results suggest that exposure to OC ascites induces platinum chemoresistance in 11 of 13 cases (85 %) on OC cells. In contrast, 75 % of cirrhotic ascites (3 of 4) failed to confer platinum chemoresistance to OC cells. Cytokine array analysis revealed that IL -6 and to a lesser extent HGF were enriched in OC ascites, whereas IL -22 was enriched in cirrhotic ascites. Pharmaceutical inhibitors targeting the IL -6/ JAK pathway were mildly effective in overcoming platinum chemoresistance induced by malignant ascites. In contrast, crizotinib, an HGF/c- MET inhibitor, and 2-hydroxyestradiol (2HE2) were effective in restoring platinum chemosensitivity to OC. Our results demonstrate the importance of OC ascites in supporting platinum chemoresistance and the potential of combination therapy to restore chemosensitivity of OC cells.
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Affiliation(s)
- Yifat Koren Carmi
- Department of Nutrition and Natural Products, Migal - Galilee Research Institute, Kiryat Shmona, Israel; Shraga Segal Department of Microbiology, Immunology and Genetics, and Department of Oncology, Soroka University Medical Center, Ben Gurion University of the Negev, Beer Sheva, Israel
| | - Abed Agbarya
- Oncology Department, Bnai Zion MC, Haifa, Israel
| | - Hazem Khamaisi
- Department of Nutrition and Natural Products, Migal - Galilee Research Institute, Kiryat Shmona, Israel
| | - Raymond Farah
- Department of Internal Medicine, Ziv Medical Center, Safed, Israel
| | | | | | - Jacob Gopas
- Shraga Segal Department of Microbiology, Immunology and Genetics, and Department of Oncology, Soroka University Medical Center, Ben Gurion University of the Negev, Beer Sheva, Israel
| | - Jamal Mahajna
- Department of Nutrition and Natural Products, Migal - Galilee Research Institute, Kiryat Shmona, Israel; Department of Biotechnology, Tel-Hai College, Kiryat Shmona, Israel.
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111
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Leyria J. Endocrine factors modulating vitellogenesis and oogenesis in insects: An update. Mol Cell Endocrinol 2024; 587:112211. [PMID: 38494046 DOI: 10.1016/j.mce.2024.112211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 02/26/2024] [Accepted: 03/14/2024] [Indexed: 03/19/2024]
Abstract
The endocrine system plays a pivotal role in shaping the mechanisms that ensure successful reproduction. With over a million known insect species, understanding the endocrine control of reproduction has become increasingly complex. Some of the key players include the classic insect lipid hormones juvenile hormone (JH) and ecdysteroids, and neuropeptides such as insulin-like peptides (ILPs). Individual endocrine factors not only modulate their own target tissue but also play crucial roles in crosstalk among themselves, ensuring successful vitellogenesis and oogenesis. Recent advances in omics, gene silencing, and genome editing approaches have accelerated research, offering both fundamental insights and practical applications for studying in-depth endocrine signaling pathways. This review provides an updated and integrated view of endocrine factors modulating vitellogenesis and oogenesis in insect females.
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Affiliation(s)
- Jimena Leyria
- Department of Biology, University of Toronto Mississauga, Mississauga, ON, Canada.
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112
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Xiong J, Liu Z, Jia L, Sun Y, Guo R, Xi T, Li Z, Wu M, Jiang H, Li Y. Bioinspired engineering ADSC nanovesicles thermosensitive hydrogel enhance autophagy of dermal papilla cells for androgenetic alopecia treatment. Bioact Mater 2024; 36:112-125. [PMID: 38440324 PMCID: PMC10911949 DOI: 10.1016/j.bioactmat.2024.02.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 01/27/2024] [Accepted: 02/19/2024] [Indexed: 03/06/2024] Open
Abstract
Androgenic alopecia (AGA) is a highly prevalent form of non-scarring alopecia but lacks effective treatments. Stem cell exosomes have similar repair effects to stem cells, suffer from the drawbacks of high cost and low yield yet. Cell-derived nanovesicles acquired through mechanical extrusion exhibit favorable biomimetic properties similar to exosomes, enabling them to efficiently encapsulate substantial quantities of therapeutic proteins. In this study, we observed that JAM-A, an adhesion protein, resulted in a significantly increased the adhesion and resilience of dermal papilla cells to form snap structures against damage caused by dihydrotestosterone and macrophages, thereby facilitating the process of hair regrowth in cases of AGA. Consequently, adipose-derived stem cells were modified to overexpress JAM-A to produce engineered JAM-A overexpressing nanovesicles (JAM-AOE@NV). The incorporation of JAM-AOE@NV into a thermosensitive hydrogel matrix (JAM-AOE@NV Gel) to effectively addresses the limitations associated with the short half-life of JAM-AOE@NV, and resulted in the achievement of a sustained-release profile for JAM-AOE@NV. The physicochemical characteristics of the JAM-AOE@NV Gel were analyzed and assessed for its efficacy in promoting hair regrowth in vivo and vitro. The JAM-AOE@NV Gel, thus, presents a novel therapeutic approach and theoretical framework for promoting the treatment of low cell adhesion diseases similar to AGA.
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Affiliation(s)
- Jiachao Xiong
- Department of Plastic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
- Medical College, Tongji University, Shanghai, 200331, China
| | - Zhixiao Liu
- Department of Histology and Embryology, Naval Medical University, Shanghai, 200433, China
| | - Lingling Jia
- Department of Plastic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
| | - Yulin Sun
- Department of Plastic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
- Medical College, Tongji University, Shanghai, 200331, China
| | - Rong Guo
- Department of Plastic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
| | - Tingting Xi
- Department of Plastic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
| | - Zihan Li
- St Hugh's College, University of Oxford, OX2 6LE, United Kingdom
| | - Minjuan Wu
- Department of Histology and Embryology, Naval Medical University, Shanghai, 200433, China
| | - Hua Jiang
- Department of Plastic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
| | - Yufei Li
- Department of Plastic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
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113
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Weng W, Deng Y, Deviatiiarov R, Hamidi S, Kajikawa E, Gusev O, Kiyonari H, Zhang G, Sheng G. ETV2 induces endothelial, but not hematopoietic, lineage specification in birds. Life Sci Alliance 2024; 7:e202402694. [PMID: 38570190 PMCID: PMC10992995 DOI: 10.26508/lsa.202402694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 03/27/2024] [Accepted: 03/28/2024] [Indexed: 04/05/2024] Open
Abstract
Cardiovascular system develops from the lateral plate mesoderm. Its three primary cell lineages (hematopoietic, endothelial, and muscular) are specified by the sequential actions of conserved transcriptional factors. ETV2, a master regulator of mammalian hemangioblast development, however, is absent in the chicken genome and acts downstream of NPAS4L in zebrafish. Here, we investigated the epistatic relationship between NPAS4L and ETV2 in avian hemangioblast development. We showed that ETV2 is deleted in all 363 avian genomes analyzed. Mouse ETV2 induced LMO2, but not NPAS4L or SCL, expression in chicken mesoderm. Squamate (lizards, geckos, and snakes) genomes contain both NPAS4L and ETV2 In Madagascar ground gecko, both genes were expressed in developing hemangioblasts. Gecko ETV2 induced only LMO2 in chicken mesoderm. We propose that both NPAS4L and ETV2 were present in ancestral amniote, with ETV2 acting downstream of NPAS4L in endothelial lineage specification. ETV2 may have acted as a pioneer factor by promoting chromatin accessibility of endothelial-specific genes and, in parallel with NPAS4L loss in ancestral mammals, has gained similar function in regulating blood-specific genes.
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Affiliation(s)
- Wei Weng
- https://ror.org/02cgss904 International Research Center for Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Yuan Deng
- Beijing Genome Institute (BGI), Shenzhen, China
| | - Ruslan Deviatiiarov
- https://ror.org/02cgss904 International Research Center for Medical Sciences, Kumamoto University, Kumamoto, Japan
- Graduate School of Medicine, Juntendo University, Tokyo, Japan
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Sofiane Hamidi
- https://ror.org/02cgss904 International Research Center for Medical Sciences, Kumamoto University, Kumamoto, Japan
| | | | - Oleg Gusev
- https://ror.org/02cgss904 International Research Center for Medical Sciences, Kumamoto University, Kumamoto, Japan
- Graduate School of Medicine, Juntendo University, Tokyo, Japan
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
- Life Improvement by Future Technologies (LIFT) Center, Moscow, Russia
| | | | - Guojie Zhang
- Department of Biology, University of Copenhagen, Copenhagen, Denmark
- Centre for Evolutionary & Organismal Biology, Zhejiang University, Hangzhou, China
| | - Guojun Sheng
- https://ror.org/02cgss904 International Research Center for Medical Sciences, Kumamoto University, Kumamoto, Japan
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Lawler JL, Terrell S, Coen DM. The conserved RNP motif of the herpes simplex virus 1 family B DNA polymerase is crucial for viral DNA synthesis but not polymerase activity. Virology 2024; 594:110035. [PMID: 38554655 DOI: 10.1016/j.virol.2024.110035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 02/08/2024] [Accepted: 02/21/2024] [Indexed: 04/02/2024]
Abstract
The herpes simplex virus 1 DNA polymerase contains a highly conserved structural motif found in most family B polymerases and certain RNA-binding proteins. To investigate its importance within cells, we constructed a mutant virus with substitutions in two residues of the motif and a rescued derivative. The substitutions resulted in severe impairment of plaque formation, yields of infectious virus, and viral DNA synthesis while not meaningfully affecting expression of the mutant enzyme, its co-localization with the viral single-stranded DNA binding protein at intranuclear punctate sites in non-complementing cells or in replication compartments in complementing cells, or viral DNA polymerase activity. Taken together, our results indicate that the RNA binding motif plays a crucial role in herpes simplex virus 1 DNA synthesis through a mechanism separate from effects on polymerase activity, thus identifying a distinct essential function of this motif with implications for hypotheses regarding its biochemical functions.
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Affiliation(s)
- Jessica L Lawler
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA; Committee on Virology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA.
| | - Shariya Terrell
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA.
| | - Donald M Coen
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA; Committee on Virology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA.
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115
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Qin C, Feng Y, Yin Z, Wang C, Yin R, Li Y, Chen K, Tao T, Zhang K, Jiang Y, Gui J. The PIEZO1/miR-155-5p/GDF6/SMAD2/3 signaling axis is involved in inducing the occurrence and progression of osteoarthritis under excessive mechanical stress. Cell Signal 2024; 118:111142. [PMID: 38508350 DOI: 10.1016/j.cellsig.2024.111142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 02/05/2024] [Accepted: 03/13/2024] [Indexed: 03/22/2024]
Abstract
OBJECTIVE To elucidate the molecular mechanism of overloading-induced osteoarthritis (OA) and to find a novel therapeutic target. METHODS We utilized human cartilage specimens, mouse chondrocytes, a destabilization of the medial meniscus (DMM) mouse model, and a mouse hindlimb weight-bearing model to validate the role of overloading on chondrocyte senescence and OA development. Then, we observed the effect of PIEZO1-miR-155-5p-GDF6-SMAD2/3 signaling axis on the preservation of joint metabolic homeostasis under overloading in vivo, in vitro and ex vivo by qPCR, Western blot, enzyme-linked immunosorbent assay (ELISA), immunohistochemistry, immunofluorescence, SA-β-gal staining, CCK8 assay, et al. Finally, we verified the therapeutic effects of intra-articular injection of miR-155-5p inhibitor or recombinant GDF6 on the murine overloading-induced OA models. RESULTS Chondrocytes sensesed the mechanical overloading through PIEZO1 and up-regulated miR-155-5p expression. MiR-155-5p mimics could copy the effects of overloading-induced chondrocyte senescence and OA. Additionally, miR-155-5p could suppress the mRNA expression of Gdf6-Smad2/3 in various tissues within the joint. Overloading could disrupt joint metabolic homeostasis by downregulating the expression of anabolism indicators and upregulating the expression of catabolism indicators in the chondrocytes and synoviocytes, while miR-155-5p inhibition or GDF6 supplementation could exert an antagonistic effect by preserving the joint homeostasis. Finally, in the in vivo overloading models, intra-articular injection of miR-155-5p inhibitor or recombinant GDF6 could significantly mitigate the severity of impending OA and lessened the progression of existing OA. CONCLUSION GDF6 overexpression or miR-155-5p inhibition could attenuate overloading-induced chondrocyte senescence and OA through the PIEZO1-miR-155-5p-GDF6-SMAD2/3 signaling pathway. Our study provides a new therapeutic target for the treatment of overloading-induced OA.
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Affiliation(s)
- Chaoren Qin
- Nanjing First Hospital, Nanjing Medical University, China
| | - Yan Feng
- Nanjing First Hospital, Nanjing Medical University, China
| | - Zhaowei Yin
- Nanjing First Hospital, Nanjing Medical University, China
| | | | - Rui Yin
- Nanjing First Hospital, Nanjing Medical University, China
| | - Yang Li
- Nanjing First Hospital, Nanjing Medical University, China
| | - Kai Chen
- Nanjing First Hospital, Nanjing Medical University, China
| | - Tianqi Tao
- Nanjing First Hospital, Nanjing Medical University, China
| | - Kaibin Zhang
- Nanjing First Hospital, Nanjing Medical University, China
| | - Yiqiu Jiang
- Nanjing First Hospital, Nanjing Medical University, China
| | - Jianchao Gui
- Nanjing First Hospital, Nanjing Medical University, China..
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Sun H, Liu Y, Wu C, Ma LQ, Guan D, Hong H, Yu H, Lin H, Huang X, Gao P. Dihalogenated nitrophenols in drinking water: Prevalence, resistance to household treatment, and cardiotoxic impact on zebrafish embryo. Eco Environ Health 2024; 3:183-191. [PMID: 38646095 PMCID: PMC11031730 DOI: 10.1016/j.eehl.2024.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 01/27/2024] [Accepted: 02/03/2024] [Indexed: 04/23/2024]
Abstract
Dihalogenated nitrophenols (2,6-DHNPs), an emerging group of aromatic disinfection byproducts (DBPs) detected in drinking water, have limited available information regarding their persistence and toxicological risks. The present study found that 2,6-DHNPs are resistant to major drinking water treatment processes (sedimentation and filtration) and households methods (boiling, filtration, microwave irradiation, and ultrasonic cleaning). To further assess their health risks, we conducted a series of toxicology studies using zebrafish embryos as the model organism. Our findings reveal that these emerging 2,6-DHNPs showed lethal toxicity 248 times greater than that of the regulated DBP, dichloroacetic acid. Specifically, at sublethal concentrations, exposure to 2,6-DHNPs generated reactive oxygen species (ROS), caused apoptosis, inhibited cardiac looping, and induced cardiac failure in zebrafish. Remarkably, the use of a ROS scavenger, N-acetyl-l-cysteine, considerably mitigated these adverse effects, emphasizing the essential role of ROS in 2,6-DHNP-induced cardiotoxicity. Our findings highlight the cardiotoxic potential of 2,6-DHNPs in drinking water even at low concentrations of 19 μg/L and the beneficial effect of N-acetyl-l-cysteine in alleviating the 2,6-DHNP-induced cardiotoxicity. This study underscores the urgent need for increased scrutiny of these emerging compounds in public health discussions.
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Affiliation(s)
- Hongjie Sun
- Key Laboratory of Watershed Earth Surface Processes and Ecological Security, College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Yingying Liu
- Key Laboratory of Watershed Earth Surface Processes and Ecological Security, College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Chunxiu Wu
- College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, China
| | - Lena Q. Ma
- Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Dongxing Guan
- Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Huachang Hong
- Key Laboratory of Watershed Earth Surface Processes and Ecological Security, College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Haiying Yu
- Key Laboratory of Watershed Earth Surface Processes and Ecological Security, College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Hongjun Lin
- Key Laboratory of Watershed Earth Surface Processes and Ecological Security, College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Xianfeng Huang
- National and Local Joint Engineering Research Center for Ecological Treatment Technology of Urban Water Pollution, College of Life and Environmental Science, Wenzhou University, Wenzhou 325035, China
| | - Peng Gao
- Department of Environmental and Occupational Health, and Department of Civil and Environmental Engineering, University of Pittsburgh, Pittsburgh, PA 15261, United States
- UPMC Hillman Cancer Center, Pittsburgh, PA 15232, United States
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117
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Bhat AA, Gupta G, Dahiya R, Thapa R, Gahtori A, Shahwan M, Jakhmola V, Tiwari A, Kumar M, Dureja H, Singh SK, Dua K, Kumarasamy V, Subramaniyan V. CircRNAs: Pivotal modulators of TGF-β signalling in cancer pathogenesis. Noncoding RNA Res 2024; 9:277-287. [PMID: 38505309 PMCID: PMC10945146 DOI: 10.1016/j.ncrna.2024.01.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 01/19/2024] [Accepted: 01/20/2024] [Indexed: 03/21/2024] Open
Abstract
The intricate molecular landscape of cancer pathogenesis continues to captivate researchers worldwide, with Circular RNAs (circRNAs) emerging as pivotal players in the dynamic regulation of biological functions. The study investigates the elusive link between circRNAs and the Transforming Growth Factor-β (TGF-β) signalling pathway, exploring their collective influence on cancer progression and metastasis. Our comprehensive investigation begins by profiling circRNA expression patterns in diverse cancer types, revealing a repertoire of circRNAs intricately linked to the TGF-β pathway. Through integrated bioinformatics analyses and functional experiments, we elucidate the specific circRNA-mRNA interactions that modulate TGF-β signalling, unveiling the regulatory controls governing this crucial pathway. Furthermore, we provide compelling evidence of the impact of circRNA-mediated TGF-β modulation on key cellular processes, including epithelial-mesenchymal transition (EMT), migration, and cell proliferation. In addition to their mechanistic roles, circRNAs have shown promise as diagnostic and prognostic biomarkers, as well as potential molecular targets for cancer therapy. Their ability to modulate critical pathways, such as the TGF-β signalling axis, underscores their significance in cancer biology and clinical applications. The intricate interplay between circRNAs and TGF-β is dissected, uncovering novel regulatory circuits that contribute to the complexity of cancer biology. This review unravels a previously unexplored dimension of carcinogenesis, emphasizing the crucial role of circRNAs in shaping the TGF-β signalling landscape.
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Affiliation(s)
- Asif Ahmad Bhat
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, Mahal Road, Jaipur, India
| | - Gaurav Gupta
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, Mahal Road, Jaipur, India
- School of Pharmacy, Graphic Era Hill University, Dehradun, 248007, India
- Centre of Medical and Bio-allied Health Sciences Research, Ajman University, Ajman, Ajman, 346, United Arab Emirates
| | - Rajiv Dahiya
- School of Pharmacy, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad & Tobago
| | - Riya Thapa
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, Mahal Road, Jaipur, India
| | - Archana Gahtori
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Sciences, Shri Guru Ram Rai University, Dehradun, 248001, Uttarakhand, India
| | - Moyad Shahwan
- Centre of Medical and Bio-allied Health Sciences Research, Ajman University, Ajman, Ajman, 346, United Arab Emirates
- Department of Clinical Sciences, College of Pharmacy and Health Sciences, Ajman University, Ajman, 346, United Arab Emirates
| | - Vikas Jakhmola
- Uttaranchal Institute of Pharmaceutical Sciences, Uttaranchal University, Dehradun, 248007, India
| | - Abhishek Tiwari
- Pharmacy Academy, IFTM University, Lodhipur-Rajput, Moradabad, (U.P.), 244102, India
| | - Mahish Kumar
- Department of Pharmaceutics, ISF College of Pharmacy, Moga, Punjab, India
| | - Harish Dureja
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, Haryana, 124001, India
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, 144411, India
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology, Sydney, Ultimo, NSW, 2007, Australia
| | - Kamal Dua
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology, Sydney, Ultimo, NSW, 2007, Australia
- Discipline of Pharmacy, Graduate School of Health, University of Technology, Sydney, Ultimo, NSW, 2007, Australia
| | - Vinoth Kumarasamy
- Department of Parasitology and Medical Entomology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, 56000, Cheras, Kuala Lumpur, Malaysia
| | - Vetriselvan Subramaniyan
- Pharmacology Unit, Jeffrey Cheah School of Medicine and Health Sciences, Monash University, Jalan Lagoon Selatan, Bandar Sunway, 47500, Selangor Darul Ehsan, Malaysia
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Chen JJ, Moy C, Pagé V, Monnin C, El-Hajj ZW, Avizonis DZ, Reyes-Lamothe R, Tanny JC. The Rtf1/Prf1-dependent histone modification axis counteracts multi-drug resistance in fission yeast. Life Sci Alliance 2024; 7:e202302494. [PMID: 38514187 PMCID: PMC10958104 DOI: 10.26508/lsa.202302494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 03/05/2024] [Accepted: 03/06/2024] [Indexed: 03/23/2024] Open
Abstract
RNA polymerase II transcription elongation directs an intricate pattern of histone modifications. This pattern includes a regulatory cascade initiated by the elongation factor Rtf1, leading to monoubiquitylation of histone H2B, and subsequent methylation of histone H3 on lysine 4. Previous studies have defined the molecular basis for these regulatory relationships, but it remains unclear how they regulate gene expression. To address this question, we investigated a drug resistance phenotype that characterizes defects in this axis in the model eukaryote Schizosaccharomyces pombe (fission yeast). The mutations caused resistance to the ribonucleotide reductase inhibitor hydroxyurea (HU) that correlated with a reduced effect of HU on dNTP pools, reduced requirement for the S-phase checkpoint, and blunting of the transcriptional response to HU treatment. Mutations in the C-terminal repeat domain of the RNA polymerase II large subunit Rpb1 led to similar phenotypes. Moreover, all the HU-resistant mutants also exhibited resistance to several azole-class antifungal agents. Our results suggest a novel, shared gene regulatory function of the Rtf1-H2Bub1-H3K4me axis and the Rpb1 C-terminal repeat domain in controlling fungal drug tolerance.
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Affiliation(s)
- Jennifer J Chen
- https://ror.org/01pxwe438 Department of Pharmacology and Therapeutics, McGill University, Montreal, Canada
| | - Calvin Moy
- https://ror.org/01pxwe438 Department of Pharmacology and Therapeutics, McGill University, Montreal, Canada
| | - Viviane Pagé
- https://ror.org/01pxwe438 Department of Pharmacology and Therapeutics, McGill University, Montreal, Canada
| | - Cian Monnin
- https://ror.org/01pxwe438 Metabolomics Innovation Resource, Goodman Cancer Institute, McGill University, Montreal, Canada
| | - Ziad W El-Hajj
- https://ror.org/01pxwe438 Department of Biology, McGill University, Montreal, Canada
| | - Daina Z Avizonis
- https://ror.org/01pxwe438 Metabolomics Innovation Resource, Goodman Cancer Institute, McGill University, Montreal, Canada
| | - Rodrigo Reyes-Lamothe
- https://ror.org/01pxwe438 Department of Biology, McGill University, Montreal, Canada
| | - Jason C Tanny
- https://ror.org/01pxwe438 Department of Pharmacology and Therapeutics, McGill University, Montreal, Canada
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Yu S, Li Y, Lu X, Han Z, Li C, Yuan X, Guo D. The regulatory role of miRNA and lncRNA on autophagy in diabetic nephropathy. Cell Signal 2024; 118:111144. [PMID: 38493883 DOI: 10.1016/j.cellsig.2024.111144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 03/09/2024] [Accepted: 03/14/2024] [Indexed: 03/19/2024]
Abstract
Diabetic nephropathy (DN) is a serious complication of diabetes that causes glomerular sclerosis and end-stage renal disease, leading to ascending morbidity and mortality in diabetic patients. Excessive accumulation of aberrantly modified proteins or damaged organelles, such as advanced glycation end-products, dysfunctional mitochondria, and inflammasomes is associated with the pathogenesis of DN. As one of the main degradation pathways, autophagy recycles toxic substances to maintain cellular homeostasis and autophagy dysregulation plays a crucial role in DN progression. MicroRNA (miRNA) and long non-coding RNA (lncRNA) are non-coding RNA (ncRNA) molecules that regulate gene expression and have been implicated in both physiological and pathological conditions. Recent studies have revealed that autophagy-regulating miRNA and lncRNA have been involved in pathological processes of DN, including renal cell injury, mitochondrial dysfunction, inflammation, and renal fibrosis. This review summarizes the role of autophagy in DN and emphasizes the modulation of miRNA and lncRNA on autophagy during disease progression, for the development of promising interventions by targeting these ncRNAs in this disease.
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Affiliation(s)
- Siming Yu
- Department of Nephrology II, First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin 150036, China
| | - Yue Li
- Heilongjiang University of Chinese Medicine, Harbin 150040, China
| | - Xinxin Lu
- Heilongjiang University of Chinese Medicine, Harbin 150040, China
| | - Zehui Han
- Heilongjiang University of Chinese Medicine, Harbin 150040, China
| | - Chunsheng Li
- Heilongjiang University of Chinese Medicine, Harbin 150040, China
| | - Xingxing Yuan
- Heilongjiang University of Chinese Medicine, Harbin 150040, China; Department of Gastroenterology, Heilongjiang Academy of Traditional Chinese Medicine, Harbin 150006, China
| | - Dandan Guo
- Department of Cardiology, Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin 150001, China.
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Ostalé CM, Prado AD, Martín M, Esteban N, López-Varea A, de Celis JF. A function of spalt major as a sequence-specific DNA binding transcription factor mediates repression of knirps in the Drosophila wing imaginal disc. Dev Biol 2024; 510:40-49. [PMID: 38493946 DOI: 10.1016/j.ydbio.2024.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 01/30/2024] [Accepted: 03/14/2024] [Indexed: 03/19/2024]
Abstract
The Spalt transcriptional regulators participate in a variety of cell fate decisions during multicellular development. Vertebrate Spalt proteins have been mostly associated to the organization of heterochromatic regions, but they also contribute regulatory functions through binding to A/T rich motives present in their target genes. The developmental processes in which the Drosophila spalt genes participate are well known through genetic analysis, but the mechanism by which the Spalt proteins regulate transcription are still unknown. Furthermore, despite the prominent changes in gene expression associated to mutations in the spalt genes, the specific DNA sequences they bind are unknow. Here, we analyze a DNA fragment present in the regulatory region of the knirps gene. Spalt proteins are candidate repressors of knirps expression during the formation of the venation pattern in the wing disc, and we identified a minimal conserved 30bp sequence that binds to Spalt major both in vivo and in vitro. This sequence mediates transcriptional repression in the central region of the wing blade, constituting the first confirmed case of a direct regulatory interaction between Spalt major and its target DNA in Drosophila. Interestingly, we also find similar sequences in a set of eight novel candidate Spalt target genes, pointing to a common mechanism of transcriptional repression mediated by Spalt proteins.
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Affiliation(s)
- Cristina M Ostalé
- Centro de Biología Molecular "Severo Ochoa", CSIC and Universidad Autónoma de Madrid, Madrid, 28049, Spain
| | - Alicia Del Prado
- Centro de Biología Molecular "Severo Ochoa", CSIC and Universidad Autónoma de Madrid, Madrid, 28049, Spain
| | - Mercedes Martín
- Centro de Biología Molecular "Severo Ochoa", CSIC and Universidad Autónoma de Madrid, Madrid, 28049, Spain
| | - Nuria Esteban
- Centro de Biología Molecular "Severo Ochoa", CSIC and Universidad Autónoma de Madrid, Madrid, 28049, Spain
| | - Ana López-Varea
- Centro de Biología Molecular "Severo Ochoa", CSIC and Universidad Autónoma de Madrid, Madrid, 28049, Spain
| | - Jose F de Celis
- Centro de Biología Molecular "Severo Ochoa", CSIC and Universidad Autónoma de Madrid, Madrid, 28049, Spain.
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Nigam M, Devi K, Coutinho HDM, Mishra AP. Exploration of gut microbiome and inflammation: A review on key signalling pathways. Cell Signal 2024; 118:111140. [PMID: 38492625 DOI: 10.1016/j.cellsig.2024.111140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 03/09/2024] [Accepted: 03/11/2024] [Indexed: 03/18/2024]
Abstract
The gut microbiome, a crucial component of the human system, is a diverse collection of microbes that belong to the gut of human beings as well as other animals. These microbial communities continue to coexist harmoniously with their host organisms and perform various functions that affect the host's general health. Each person's gut microbiota has a unique makeup. The gut microbiota is well acknowledged to have a part in the local as well as systemic inflammation that underlies a number of inflammatory disorders (e.g., atherosclerosis, diabetes mellitus, obesity, and inflammatory bowel disease).The gut microbiota's metabolic products, such as short-chain fatty acids (butyrate, propionate, and acetate) inhibit inflammation by preventing immune system cells like macrophages and neutrophils from producing pro-inflammatory factors, which are triggered by the structural elements of bacteria (like lipopolysaccharide). The review's primary goal is to provide comprehensive and compiled data regarding the contribution of gut microbiota to inflammation and the associated signalling pathways.
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Affiliation(s)
- Manisha Nigam
- Department of Biochemistry, Hemvati Nandan Bahuguna Garhwal University, Srinagar Garhwal 246174, Uttarakhand, India.
| | - Kanchan Devi
- Department of Biochemistry, Hemvati Nandan Bahuguna Garhwal University, Srinagar Garhwal 246174, Uttarakhand, India
| | | | - Abhay Prakash Mishra
- Department of Pharmacology, University of Free State, Bloemfontein 9300, South Africa.
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Shirakawa Y, Li H, Inoue Y, Izumi H, Kaga Y, Goto YI, Inoue K, Inagaki M. Abnormality in GABAergic postsynaptic transmission associated with anxiety in Bronx waltzer mice with an Srrm4 mutation. IBRO Neurosci Rep 2024; 16:67-77. [PMID: 38229888 PMCID: PMC10790029 DOI: 10.1016/j.ibneur.2023.12.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 12/13/2023] [Accepted: 12/22/2023] [Indexed: 01/18/2024] Open
Abstract
The homozygous Bronx waltzer (bv) mouse, which shows hearing impairment, also exhibits anxiety accompanied by a reduction in cortical parvalbumin (PV)-positive GABAergic interneurons. Recently, a mutation in splicing factor Ser/Arg repetitive matrix 4 (Srrm4) was found in bv mice. However, the cellular consequences of the Srrm4 mutation for anxiety remain unknown. Here, we tested our hypothesis that bv mutant primarily affects interneurons through a cell-intrinsic pathology that leads to a reduction of interneurons and consequently causes anxiety. We found that the anxiety becomes apparent at 6 weeks of age in bv/bv mice. However, in situ hybridization revealed that Srrm4 is not expressed in interneurons, but rather dominates in pyramidal neurons. In addition, the PV-positive GABAergic interneurons were not reduced in number in the bv/bv cortex when anxiety became evident. However, electrophysiological abnormality of GABAergic transmission from interneurons was concomitantly present. Pharmacological blockage of GABAA receptors revealed increased excitability in bv/bv mice, although no gross change occurred in the expression of an Srrm4-downstream gene, Kcc2, which regulates chloride flux upon GABAergic transmission. These findings suggest that the bv-associated Srrm4 mutation mainly involves post-synaptic GABAergic transmission in the central nervous system, which may be associated with the anxiety phenotype in bv/bv mice.
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Affiliation(s)
- Yuka Shirakawa
- Department of Developmental Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, 4–1-1 Ogawa Higashi, Kodaira, Tokyo 187–8553, Japan
| | - Heng Li
- Department of Mental Retardation and Birth Defect Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4–1-1 Ogawa Higashi, Kodaira, Tokyo 187–8553, Japan
| | - Yuki Inoue
- Department of Developmental Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, 4–1-1 Ogawa Higashi, Kodaira, Tokyo 187–8553, Japan
| | - Hitomi Izumi
- Department of Developmental Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, 4–1-1 Ogawa Higashi, Kodaira, Tokyo 187–8553, Japan
- Department of Mental Retardation and Birth Defect Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4–1-1 Ogawa Higashi, Kodaira, Tokyo 187–8553, Japan
| | - Yoshimi Kaga
- Department of Developmental Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, 4–1-1 Ogawa Higashi, Kodaira, Tokyo 187–8553, Japan
| | - Yu-ichi Goto
- Department of Mental Retardation and Birth Defect Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4–1-1 Ogawa Higashi, Kodaira, Tokyo 187–8553, Japan
| | - Ken Inoue
- Department of Mental Retardation and Birth Defect Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4–1-1 Ogawa Higashi, Kodaira, Tokyo 187–8553, Japan
| | - Masumi Inagaki
- Department of Developmental Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, 4–1-1 Ogawa Higashi, Kodaira, Tokyo 187–8553, Japan
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Adamson SE, Hughes JW. Paracrine Signaling by Pancreatic Islet Cilia. Curr Opin Endocr Metab Res 2024; 35:100505. [PMID: 38524256 PMCID: PMC10956557 DOI: 10.1016/j.coemr.2024.100505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/26/2024]
Abstract
The primary cilium is a sensory and signaling organelle present on most pancreatic islet endocrine cells, where it receives and interprets a wide range of intra-islet chemical cues including hormones, peptides, and neurotransmitters. The ciliary membrane possesses a molecular composition distinct from the plasma membrane, with enrichment of signaling mediators including G protein-coupled receptors (GPCRs), tyrosine kinase family receptors, membrane transporters and others. When activated, these membrane proteins interact with ion channels and adenylyl cyclases to trigger local Ca2+ and cAMP activity and transmit signals to the cell body. Here we review evidence supporting the emerging model in which primary cilia on pancreatic islet cells play a central role in the intra-islet communication network and discuss how changes in cilia-mediated paracrine function in islet cells might lead to diabetes.
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Affiliation(s)
- Samantha E Adamson
- Division of Endocrinology, Metabolism & Lipid Research, Washington University School of Medicine, St. Louis, MO, USA
| | - Jing W Hughes
- Division of Endocrinology, Metabolism & Lipid Research, Washington University School of Medicine, St. Louis, MO, USA
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Tachibana Y, Takasaki S, Hoshino M, Makioka H, Jin M. Real-world safety and effectiveness of nusinersen, a treatment for spinal muscular atrophy, in 401 Japanese patients: results from an interim analysis of post-marketing surveillance. Int J Neurosci 2024; 134:153-162. [PMID: 35787224 DOI: 10.1080/00207454.2022.2095270] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Accepted: 06/22/2022] [Indexed: 10/17/2022]
Abstract
Purpose: Nusinersen is an antisense oligonucleotide for the treatment of spinal muscular atrophy (SMA). A post-marketing surveillance (PMS) has been ongoing (August 2017-August 2025) in all patients in Japan who received intrathecal nusinersen in real-world clinical settings. We report the interim analysis results of safety and effectiveness.Methods: This interim analysis was conducted using data collected from 401 patients whose case report forms were obtained at least once by 30 May 2020. Collected data included patient demographics and adverse events (AEs) for safety, and motor function assessments and Clinical Global Impressions of Improvement (CGI-I) for effectiveness.Results: All 401 patients were diagnosed with SMA and were included in the safety and effectiveness analysis (infantile-onset SMA [n = 126, 31.4%], later-onset SMA [n = 275, 68.6%]). The median duration of treatment was 330 days (range 1-823 days). The incidence proportion of AEs was 31.7% (37.3% in infantile-onset SMA and 29.1% in later-onset SMA). The most common AEs were headache (4.5%), pyrexia (4.2%), and pneumonia (3.7%). The incidence proportion of serious AEs was 11.5%. Nusinersen improved motor function scores and was assessed as 'effective' based on CGI-I in 99.7-100% of patients.Conclusions: This interim analysis of the PMS in Japanese patients treated with nusinersen found no new safety concerns, with the type of AEs consistent with the expected safety profile. The benefit-risk balance of nusinersen treatment remains favorable.
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Kurlovich J, Rodriguez Polo I, Dovgusha O, Tereshchenko Y, Cruz CRV, Behr R, Günesdogan U. Generation of marmoset primordial germ cell-like cells under chemically defined conditions. Life Sci Alliance 2024; 7:e202302371. [PMID: 38499329 PMCID: PMC10948935 DOI: 10.26508/lsa.202302371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 03/01/2024] [Accepted: 03/04/2024] [Indexed: 03/20/2024] Open
Abstract
Primordial germ cells (PGCs) are the embryonic precursors of sperm and oocytes, which transmit genetic/epigenetic information across generations. Mouse PGC and subsequent gamete development can be fully reconstituted in vitro, opening up new avenues for germ cell studies in biomedical research. However, PGCs show molecular differences between rodents and humans. Therefore, to establish an in vitro system that is closely related to humans, we studied PGC development in vivo and in vitro in the common marmoset monkey Callithrix jacchus (cj). Gonadal cjPGCs at embryonic day 74 express SOX17, AP2Ɣ, BLIMP1, NANOG, and OCT4A, which is reminiscent of human PGCs. We established transgene-free induced pluripotent stem cell (cjiPSC) lines from foetal and postnatal fibroblasts. These cjiPSCs, cultured in defined and feeder-free conditions, can be differentiated into precursors of mesendoderm and subsequently into cjPGC-like cells (cjPGCLCs) with a transcriptome similar to human PGCs/PGCLCs. Our results not only pave the way for studying PGC development in a non-human primate in vitro under experimentally controlled conditions, but also provide the opportunity to derive functional marmoset gametes in future studies.
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Affiliation(s)
- Julia Kurlovich
- https://ror.org/01y9bpm73 Göttingen Center for Molecular Biosciences, Department of Developmental Biology, University of Göttingen, Göttingen, Germany
| | - Ignacio Rodriguez Polo
- https://ror.org/01y9bpm73 Göttingen Center for Molecular Biosciences, Department of Developmental Biology, University of Göttingen, Göttingen, Germany
- German Primate Center-Leibniz Institute for Primate Research, Research Platform Degenerative Diseases, Göttingen, Germany
- Stem Cell and Human Development Laboratory, The Francis Crick Institute, London, UK
| | - Oleksandr Dovgusha
- https://ror.org/01y9bpm73 Göttingen Center for Molecular Biosciences, Department of Developmental Biology, University of Göttingen, Göttingen, Germany
| | - Yuliia Tereshchenko
- German Primate Center-Leibniz Institute for Primate Research, Research Platform Degenerative Diseases, Göttingen, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Göttingen, Göttingen, Germany
| | - Carmela Rieline V Cruz
- https://ror.org/01y9bpm73 Göttingen Center for Molecular Biosciences, Department of Developmental Biology, University of Göttingen, Göttingen, Germany
| | - Rüdiger Behr
- German Primate Center-Leibniz Institute for Primate Research, Research Platform Degenerative Diseases, Göttingen, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Göttingen, Göttingen, Germany
| | - Ufuk Günesdogan
- https://ror.org/01y9bpm73 Göttingen Center for Molecular Biosciences, Department of Developmental Biology, University of Göttingen, Göttingen, Germany
- https://ror.org/03av75f26 Department for Molecular Developmental Biology, Max Planck Institute for Multidisciplinary Sciences, Göttingen, Germany
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Pugazhendhi AS, Neal CJ, Ta KM, Molinari M, Kumar U, Wei F, Kolanthai E, Ady A, Drake C, Hughes M, Yooseph S, Seal S, Coathup MJ. A neoteric antibacterial ceria-silver nanozyme for abiotic surfaces. Biomaterials 2024; 307:122527. [PMID: 38518591 DOI: 10.1016/j.biomaterials.2024.122527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 03/01/2024] [Accepted: 03/08/2024] [Indexed: 03/24/2024]
Abstract
Community-associated and hospital-acquired infections caused by bacteria continue to yield major global challenges to human health. Bacterial contamination on abiotic surfaces is largely spread via high-touch surfaces and contemporary standard disinfection practices show limited efficacy, resulting in unsatisfactory therapeutic outcomes. New strategies that offer non-specific and broad protection are urgently needed. Herein, we report our novel ceria-silver nanozyme engineered at a molar ratio of 5:1 and with a higher trivalent (Ce3+) surface fraction. Our results reveal potent levels of surface catalytic activity on both wet and dry surfaces, with rapid, and complete eradication of Pseudomonas aeruginosa, Staphylococcus aureus, and methicillin resistant S. aureus, in both planktonic and biofilm form. Preferential electrostatic adherence of anionic bacteria to the cationic nanozyme surface leads to a catastrophic loss in both aerobic and anaerobic respiration, DNA damage, osmodysregulation, and finally, programmed bacterial lysis. Our data reveal several unique mechanistic avenues of synergistic ceria-Ag efficacy. Ag potentially increases the presence of Ce3+ sites at the ceria-Ag interface, thereby facilitating the formation of harmful H2O2, followed by likely permeation across the cell wall. Further, a weakened Ag-induced Ce-O bond may drive electron transfer from the Ec band to O2, thereby further facilitating the selective reduction of O2 toward H2O2 formation. Ag destabilizes the surface adsorption of molecular H2O2, potentially leading to higher concentrations of free H2O2 adjacent to bacteria. To this end, our results show that H2O2 and/or NO/NO2-/NO3- are the key liberators of antibacterial activity, with a limited immediate role being offered by nanozyme-induced ROS including O2•- and OH•, and likely other light-activated radicals. A mini-pilot proof-of-concept study performed in a pediatric dental clinic setting confirms residual, and continual nanozyme antibacterial efficacy over a 28-day period. These findings open a new approach to alleviate infections caused by bacteria for use on high-touch hard surfaces.
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Affiliation(s)
- Abinaya Sindu Pugazhendhi
- Biionix Cluster, College of Medicine, University of Central Florida, Orlando, FL, 32827, United States
| | - Craig J Neal
- Advanced Materials Processing and Analysis Centre, Nanoscience Technology Center (NSTC), University of Central Florida, Orlando, FL, 32826, United States
| | - Khoa Minh Ta
- Department of Chemical Sciences, School of Applied Sciences, University of Huddersfield, Huddersfield, HD1 3DH, United Kingdom
| | - Marco Molinari
- Department of Chemical Sciences, School of Applied Sciences, University of Huddersfield, Huddersfield, HD1 3DH, United Kingdom.
| | - Udit Kumar
- Advanced Materials Processing and Analysis Centre, Nanoscience Technology Center (NSTC), University of Central Florida, Orlando, FL, 32826, United States
| | - Fei Wei
- Biionix Cluster, College of Medicine, University of Central Florida, Orlando, FL, 32827, United States
| | - Elayaraja Kolanthai
- Advanced Materials Processing and Analysis Centre, Nanoscience Technology Center (NSTC), University of Central Florida, Orlando, FL, 32826, United States
| | - Andrew Ady
- Biionix Cluster, College of Medicine, University of Central Florida, Orlando, FL, 32827, United States
| | - Christina Drake
- Kismet Technologies, 7101 TPC Drive, Suite 130, Orlando, FL, 32822, United States
| | - Megan Hughes
- University of Cardiff, Cardiff, CF10 3AT, Wales, United Kingdom
| | - Shibu Yooseph
- Kravis Department of Integrated Sciences, Claremont McKenna College, Claremont, CA 91711, United States
| | - Sudipta Seal
- Biionix Cluster, College of Medicine, University of Central Florida, Orlando, FL, 32827, United States; Advanced Materials Processing and Analysis Centre, Nanoscience Technology Center (NSTC), University of Central Florida, Orlando, FL, 32826, United States
| | - Melanie J Coathup
- Biionix Cluster, College of Medicine, University of Central Florida, Orlando, FL, 32827, United States.
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Parente P, Angerilli V, Zamboni G, Sparaneo A, Fiordelisi F, Di Candia L, Fassan M, Graziano P. Nrf2 and Her3 co-expression in cholangiocarcinoma: Possible biological pathways for potential therapeutic approach. Hepatobiliary Pancreat Dis Int 2024; 23:317-321. [PMID: 36882359 DOI: 10.1016/j.hbpd.2023.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 02/17/2023] [Indexed: 03/09/2023]
Affiliation(s)
- Paola Parente
- Pathology Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013, San Giovanni Rotondo (Foggia), Italy.
| | - Valentina Angerilli
- Department of Medicine (DIMED), Surgical Pathology Unit, University of Padua, 35128, Padua (Padua), Italy
| | - Giuseppe Zamboni
- Pathology Unit, IRCCS Ospedale Sacro Cuore Don Calabria, 37024, Negrar (Verona), Italy
| | - Angelo Sparaneo
- Laboratory of Oncology, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013, San Giovanni Rotondo (Foggia), Italy
| | - Fabiola Fiordelisi
- Pathology Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013, San Giovanni Rotondo (Foggia), Italy
| | - Leonarda Di Candia
- Pathology Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013, San Giovanni Rotondo (Foggia), Italy
| | - Matteo Fassan
- Department of Medicine (DIMED), Surgical Pathology Unit, University of Padua, 35128, Padua (Padua), Italy; Veneto Institute of Oncology IOV - IRCCS, 35124, Padua (Padua), Italy
| | - Paolo Graziano
- Pathology Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013, San Giovanni Rotondo (Foggia), Italy
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Bhole RP, Chikhale RV, Rathi KM. Current biomarkers and treatment strategies in Alzheimer disease: An overview and future perspectives. IBRO Neurosci Rep 2024; 16:8-42. [PMID: 38169888 PMCID: PMC10758887 DOI: 10.1016/j.ibneur.2023.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 11/06/2023] [Accepted: 11/09/2023] [Indexed: 01/05/2024] Open
Abstract
Alzheimer's disease (AD), a progressive degenerative disorder first identified by Alois Alzheimer in 1907, poses a significant public health challenge. Despite its prevalence and impact, there is currently no definitive ante mortem diagnosis for AD pathogenesis. By 2050, the United States may face a staggering 13.8 million AD patients. This review provides a concise summary of current AD biomarkers, available treatments, and potential future therapeutic approaches. The review begins by outlining existing drug targets and mechanisms in AD, along with a discussion of current treatment options. We explore various approaches targeting Amyloid β (Aβ), Tau Protein aggregation, Tau Kinases, Glycogen Synthase kinase-3β, CDK-5 inhibitors, Heat Shock Proteins (HSP), oxidative stress, inflammation, metals, Apolipoprotein E (ApoE) modulators, and Notch signaling. Additionally, we examine the historical use of Estradiol (E2) as an AD therapy, as well as the outcomes of Randomized Controlled Trials (RCTs) that evaluated antioxidants (e.g., vitamin E) and omega-3 polyunsaturated fatty acids as alternative treatment options. Notably, positive effects of docosahexaenoic acid nutriment in older adults with cognitive impairment or AD are highlighted. Furthermore, this review offers insights into ongoing clinical trials and potential therapies, shedding light on the dynamic research landscape in AD treatment.
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Affiliation(s)
- Ritesh P. Bhole
- Department of Pharmaceutical Chemistry, Dr. D. Y. Patil institute of Pharmaceutical Sciences & Research, Pimpri, Pune, India
- Dr. D. Y. Patil Dental College and Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune 411018, India
| | | | - Karishma M. Rathi
- Department of Pharmacy Practice, Dr. D. Y. Patil institute of Pharmaceutical Sciences & Research, Pimpri, Pune, India
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Greenhalgh R, Klure DM, Orr TJ, Armstrong NM, Shapiro MD, Dearing MD. The desert woodrat (Neotoma lepida) induces a diversity of biotransformation genes in response to creosote bush resin. Comp Biochem Physiol C Toxicol Pharmacol 2024; 280:109870. [PMID: 38428625 PMCID: PMC11006593 DOI: 10.1016/j.cbpc.2024.109870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 01/26/2024] [Accepted: 02/24/2024] [Indexed: 03/03/2024]
Abstract
Liver biotransformation enzymes have long been thought to enable animals to feed on diets rich in xenobiotic compounds. However, despite decades of pharmacological research in humans and rodents, little is known about hepatic gene expression in specialized mammalian herbivores feeding on toxic diets. Leveraging a recently identified population of the desert woodrat (Neotoma lepida) found to be highly tolerant to toxic creosote bush (Larrea tridentata), we explored the expression changes of suites of biotransformation genes in response to diets enriched with varying amounts of creosote resin. Analysis of hepatic RNA-seq data indicated a dose-dependent response to these compounds, including the upregulation of several genes encoding transcription factors and numerous phase I, II, and III biotransformation families. Notably, elevated expression of five biotransformation families - carboxylesterases, cytochromes P450, aldo-keto reductases, epoxide hydrolases, and UDP-glucuronosyltransferases - corresponded to species-specific duplication events in the genome, suggesting that these genes play a prominent role in N. lepida's adaptation to creosote bush. Building on pharmaceutical studies in model rodents, we propose a hypothesis for how the differentially expressed genes are involved in the biotransformation of creosote xenobiotics. Our results provide some of the first details about how these processes likely operate in the liver of a specialized mammalian herbivore.
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Affiliation(s)
- Robert Greenhalgh
- School of Biological Sciences, University of Utah, 257 S 1400 E, Salt Lake City, UT 84112, USA.
| | - Dylan M Klure
- School of Biological Sciences, University of Utah, 257 S 1400 E, Salt Lake City, UT 84112, USA.
| | - Teri J Orr
- School of Biological Sciences, University of Utah, 257 S 1400 E, Salt Lake City, UT 84112, USA.
| | - Noah M Armstrong
- School of Biological Sciences, University of Utah, 257 S 1400 E, Salt Lake City, UT 84112, USA.
| | - Michael D Shapiro
- School of Biological Sciences, University of Utah, 257 S 1400 E, Salt Lake City, UT 84112, USA.
| | - M Denise Dearing
- School of Biological Sciences, University of Utah, 257 S 1400 E, Salt Lake City, UT 84112, USA.
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Nasrabadi M, Nazarian M, Darroudi M, Marouzi S, Harifi-Mood MS, Samarghandian S, Farkhondeh T. Carbamate compounds induced toxic effects by affecting Nrf2 signaling pathways. Toxicol Rep 2024; 12:148-157. [PMID: 38304697 PMCID: PMC10831123 DOI: 10.1016/j.toxrep.2023.12.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 12/07/2023] [Accepted: 12/11/2023] [Indexed: 02/03/2024] Open
Abstract
Carbamate (CBs) is a class of insecticides which is being known as an important cause of intentional or accidental poisoning. CBs, cause carbamylation of acetylcholinesterase at neuronal synapses and neuromuscular junction. Exposure to CBs through skin contact, inhalation, or ingestion can result in significant cholinergic toxicity. This is due to the elevation of acetylcholine levels at ganglionic synapses found in both the sympathetic and parasympathetic nervous systems, as well as muscarinic receptors located in target organs of the parasympathetic nervous system, nicotinic receptors situated in skeletal muscle tissue, and the central nervous system. The association between human illnesses and environmental exposures to CBs have been extensively studied in several studies. Although CBs-triggered toxicity leads to overproduction of reactive oxygen species (ROS), the detailed association between the toxicity under CBs exposure and NFE2-related factor 2 (Nrf2) signaling pathways has not been completely clarified. In this review we aimed to summarize the latest findings on the functional interrelationship between carbamates compounds and Nrf2 signaling.
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Affiliation(s)
| | - Maryam Nazarian
- Student Research Committee, Birjand University of Medical Sciences, Birjand, Iran
| | - Majid Darroudi
- Nuclear Medicine Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Basic Sciences, Neyshabur University of Medical Sciences, Neyshabur 9318614139, Iran
| | - Somayeh Marouzi
- Department of Basic Sciences, Neyshabur University of Medical Sciences, Neyshabur 9318614139, Iran
- Department of Medical Biotechnology and Nanotechnology, Faculty of Medicine, Mashhad, Iran
| | | | - Saeed Samarghandian
- Healthy Ageing Research Centre, Neyshabur University of Medical Sciences, Neyshabur 9318614139, Iran
| | - Tahereh Farkhondeh
- Department of Toxicology and Pharmacology, School of Pharmacy, Birjand University of Medical Sciences, Birjand, Iran
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Knight HM, Demirbugen Öz M, PerezGrovas-Saltijeral A. Dysregulation of RNA modification systems in clinical populations with neurocognitive disorders. Neural Regen Res 2024; 19:1256-1261. [PMID: 37905873 DOI: 10.4103/1673-5374.385858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 08/10/2023] [Indexed: 11/02/2023] Open
Abstract
ABSTRACT The study of modified RNA known as epitranscriptomics has become increasingly relevant in our understanding of disease-modifying mechanisms. Methylation of N6 adenosine (m6A) and C5 cytosine (m5C) bases occur on mRNAs, tRNA, mt-tRNA, and rRNA species as well as non-coding RNAs. With emerging knowledge of RNA binding proteins that act as writer, reader, and eraser effector proteins, comes a new understanding of physiological processes controlled by these systems. Such processes when spatiotemporally disrupted within cellular nanodomains in highly specialized tissues such as the brain, give rise to different forms of disease. In this review, we discuss accumulating evidence that changes in the m6A and m5C methylation systems contribute to neurocognitive disorders. Early studies first identified mutations within FMR1 to cause intellectual disability Fragile X syndromes several years before FMR1 was identified as an m6A RNA reader protein. Subsequently, familial mutations within the m6A writer gene METTL5, m5C writer genes NSUN2, NSUN3, NSUN5, and NSUN6, as well as THOC2 and THOC6 that form a protein complex with the m5C reader protein ALYREF, were recognized to cause intellectual development disorders. Similarly, differences in expression of the m5C writer and reader effector proteins, NSUN6, NSUN7, and ALYREF in brain tissue are indicated in individuals with Alzheimer's disease, individuals with a high neuropathological load or have suffered traumatic brain injury. Likewise, an abundance of m6A reader and anti-reader proteins are reported to change across brain regions in Lewy bodies diseases, Alzheimer's disease, and individuals with high cognitive reserve. m6A-modified RNAs are also reported significantly more abundant in dementia with Lewy bodies brain tissue but significantly reduced in Parkinson's disease tissue, whilst modified RNAs are misplaced within diseased cells, particularly where synapses are located. In parahippocampal brain tissue, m6A modification is enriched in transcripts associated with psychiatric disorders including conditions with clear cognitive deficits. These findings indicate a diverse set of molecular mechanisms are influenced by RNA methylation systems that can cause neuronal and synaptic dysfunction underlying neurocognitive disorders. Targeting these RNA modification systems brings new prospects for neural regenerative therapies.
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Affiliation(s)
- Helen M Knight
- Division of Cells, Organisms and Molecular Genetics, School of Life Sciences, University of Nottingham, Nottingham, UK
| | - Merve Demirbugen Öz
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Ankara University, Ankara, Turkey
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Tateishi YS, Araki T, Kawai S, Koide S, Umeki Y, Imai T, Saito-Nakano Y, Kikuchi M, Iwama A, Hisaeda H, Coban C, Annoura T. Histone H3.3 variant plays a critical role on zygote-to-oocyst development in malaria parasites. Parasitol Int 2024; 100:102856. [PMID: 38199522 DOI: 10.1016/j.parint.2024.102856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 01/02/2024] [Accepted: 01/02/2024] [Indexed: 01/12/2024]
Abstract
The Plasmodium life cycle involves differentiation into multiple morphologically distinct forms, a process regulated by developmental stage-specific gene expression. Histone proteins are involved in epigenetic regulation in eukaryotes, and the histone variant H3.3 plays a key role in the regulation of gene expression and maintenance of genomic integrity during embryonic development in mice. However, the function of H3.3 through multiple developmental stages in Plasmodium remains unknown. To examine the function of H3.3, h3.3-deficient mutants (Δh3.3) were generated in P. berghei. The deletion of h3.3 was not lethal in blood stage parasites, although it had a minor effect of the growth rate in blood stage; however, the in vitro ookinete conversion rate was significantly reduced, and the production of the degenerated form was increased. Regarding the mosquito stage development of Δh3.3, oocysts number was significantly reduced, and no sporozoite production was observed. The h3.3 gene complemented mutant have normal development in mosquito stage producing mature oocysts and salivary glands contained sporozoites, and interestingly, the majority of H3.3 protein was detected in female gametocytes. However, Δh3.3 male and female gametocyte production levels were comparable to the wild-type levels. Transcriptome analysis of Δh3.3 male and female gametocytes revealed the upregulation of several male-specific genes in female gametocytes, suggesting that H3.3 functions as a transcription repressor of male-specific genes to maintain sexual identity in female gametocytes. This study provides new insights into the molecular biology of histone variants H3.3 which plays a critical role on zygote-to-oocyst development in primitive unicellular eukaryotes.
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Affiliation(s)
- Yuki S Tateishi
- Department of Parasitology, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan; Division of Malaria Immunology, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo (IMSUT), Minato-ku, Tokyo, Japan; Graduate School of Frontier Sciences, Department of Computational Biology and Medical Science (CBMS), University of Tokyo, Tokyo, Japan
| | - Tamasa Araki
- Department of Parasitology, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Satoru Kawai
- Department of Tropical Medicine and Parasitology, Dokkyo Medical University, Mibu, Tochigi, Japan
| | - Shuhei Koide
- Division of Stem Cell and Molecular Medicine, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo, Japan
| | - Yuko Umeki
- Department of Parasitology, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan; Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Takashi Imai
- Department of Parasitology, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan; Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Yumiko Saito-Nakano
- Department of Parasitology, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan; Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Masaki Kikuchi
- Laboratory for Epigenetics Drug Discovery, RIKEN Center for Biosystems Dynamics Research, Yokohama, Kanagawa, Japan
| | - Atsushi Iwama
- Division of Stem Cell and Molecular Medicine, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo, Japan; The University of Tokyo Pandemic Preparedness, Infection and Advanced Research Center (UTOPIA), The University of Tokyo, Tokyo, Japan
| | - Hajime Hisaeda
- Department of Parasitology, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Cevayir Coban
- Division of Malaria Immunology, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo (IMSUT), Minato-ku, Tokyo, Japan; The University of Tokyo Pandemic Preparedness, Infection and Advanced Research Center (UTOPIA), The University of Tokyo, Tokyo, Japan; International Vaccine Design Center (vDesC), The Institute of Medical Science, The University of Tokyo (IMSUT), Minato-ku, Tokyo, Japan
| | - Takeshi Annoura
- Department of Parasitology, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan.
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Buchan JR. Stress granule and P-body clearance: Seeking coherence in acts of disappearance. Semin Cell Dev Biol 2024; 159-160:10-26. [PMID: 38278052 PMCID: PMC10939798 DOI: 10.1016/j.semcdb.2024.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 01/07/2024] [Indexed: 01/28/2024]
Abstract
Stress granules and P-bodies are conserved cytoplasmic biomolecular condensates whose assembly and composition are well documented, but whose clearance mechanisms remain controversial or poorly described. Such understanding could provide new insight into how cells regulate biomolecular condensate formation and function, and identify therapeutic strategies in disease states where aberrant persistence of stress granules in particular is implicated. Here, I review and compare the contributions of chaperones, the cytoskeleton, post-translational modifications, RNA helicases, granulophagy and the proteasome to stress granule and P-body clearance. Additionally, I highlight the potentially vital role of RNA regulation, cellular energy, and changes in the interaction networks of stress granules and P-bodies as means of eliciting clearance. Finally, I discuss evidence for interplay of distinct clearance mechanisms, suggest future experimental directions, and suggest a simple working model of stress granule clearance.
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Affiliation(s)
- J Ross Buchan
- Department of Molecular and Cellular Biology, University of Arizona, Tucson 85716, United States.
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Shboul M, Bani Domi A, Abu Zahra A, Khasawneh AG, Darweesh R. Plasma miRNAs as potential biomarkers for schizophrenia in a Jordanian cohort. Noncoding RNA Res 2024; 9:350-358. [PMID: 38511065 PMCID: PMC10950580 DOI: 10.1016/j.ncrna.2024.01.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 01/15/2024] [Accepted: 01/30/2024] [Indexed: 03/22/2024] Open
Abstract
Background Schizophrenia (SZ), a complex and chronic neuropsychiatric disorder affecting approximately 1 % of the general population, presents diagnostic challenges due to the absence of reliable biomarkers, and relying mainly on clinical observations. MicroRNAs (miRNAs) signatures in a wide range of diseases, including psychiatric disorders, hold immense potential for serving as biomarkers. This study aimed to analyze the expression levels of specific microRNAs (miRNAs) namely miR-29b-3p, miR-106b-5p, and miR-199a-3p and explore their diagnostic potential for SZ in Jordanian patients. Methods Small RNAs (miRNAs) were extracted from plasma samples of 30 SZ patients and 35 healthy controls. RNA was reverse transcribed and quantified by real-time polymerase chain reaction (qRT-PCR). The expression levels of three miRNAs (miR-29b-3p, miR-106b-5p and miR-199a-3p) were analyzed. Receiver operating characteristic (ROC) curves analysis was performed to evaluate diagnostic value of these miRNAs. Target genes prediction, functional enrichment and pathway analyses were done using miRWalk and Metascape. STRING database was used to construct protein-protein network and identify hub genes. Results Notably, miR-106b-5p and miR-199a-3p were significantly upregulated (p < 0.0001), while miRNA-29b-3p was downregulated (p < 0.0001) in SZ patients compared to controls. The diagnostic potential was assessed through ROC curves, revealing substantial diagnostic value for miR-199a-3p (AUC: 0.979) followed by miR-106b-5p (AUC: 0.774), with limited diagnostic efficacy for miR-29b-3p. Additionally, bioinformatic analyses for the predicted target genes of the diagnostically significant miRNAs uncovered Gene Ontology (GO) terms related to neurological development, including morphogenesis, which is involved in neuron differentiation, brain development, head development, and neuron projection morphogenesis. These findings highlight a potential connection between the identified miRNAs and SZ pathophysiology in the studied Jordanian population. Furthermore, a protein-protein interaction network from the target genes identified in association with neurological development in the Gene Ontology (GO) terms deepens our comprehension of the molecular landscape of the regulated target genes. Conclusions This comprehensive exploration highlights the promising role of miRNAs in unraveling intricate molecular pathways associated with SZ in the Jordanian cohort and suggests that plasma miRNAs could serve as reliable biomarkers for SZ diagnosis and disease progression. Remarkably, this study represents the first investigation into the role of circulating miRNA expression among Jordanian patients with SZ, providing valuable insights into the diagnostic landscape of this disorder.
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Affiliation(s)
- Mohammad Shboul
- Department of Medical Laboratory Sciences, Faculty of Medical Sciences, Jordan University of Science and Technology, P.O. Box 3030, Irbid, 22110, Jordan
| | - Amal Bani Domi
- Department of Medical Laboratory Sciences, Faculty of Medical Sciences, Jordan University of Science and Technology, P.O. Box 3030, Irbid, 22110, Jordan
| | - Abdulmalek Abu Zahra
- Department of Medical Laboratory Sciences, Faculty of Medical Sciences, Jordan University of Science and Technology, P.O. Box 3030, Irbid, 22110, Jordan
| | - Aws G. Khasawneh
- Department of Neurosciences, Faculty of Medicine, Jordan University of Science and Technology, P.O. Box 3030, Irbid, 22110, Jordan
| | - Reem Darweesh
- Department of Medical Laboratory Sciences, Faculty of Medical Sciences, Jordan University of Science and Technology, P.O. Box 3030, Irbid, 22110, Jordan
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Rajendran P, Sekar R, Abdallah BM, Fathima JH S, Ali EM, Jayaraman S, Abdelsalam SA, Veeraraghavan V. Epigenetic modulation of long noncoding RNA H19 in oral squamous cell carcinoma-A narrative review. Noncoding RNA Res 2024; 9:602-611. [PMID: 38532798 PMCID: PMC10963247 DOI: 10.1016/j.ncrna.2024.01.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 01/16/2024] [Accepted: 01/30/2024] [Indexed: 03/28/2024] Open
Abstract
Oral squamous cell carcinoma (OSCC) showed a seemingly increasing incidence in the last decade. In India, despite the use of tobacco decreased rapidly, in the past five years, the incidence pattern of OSCC over gender and age showed a drastic shift. About 51 % of the head and neck cancers are not associated with habits. Studies exploring various contributing factors in the incidence of this malignancy have documented. Recently, the epigenetic factors associated with the induction and progression of OSCC were explored. More than 90 % of the human genome is made up of non-coding transcriptome, which believed to be noises. However, these non-coding RNAs were identified to be the major epigenetic modulators, which raises concern over incidence of carcinoma in non-habit patients. H19 is a long non coding RNA which proved to be an effective biomarker in various carcinoma. Its role in oral squamous cell cancer was not investigated in depth. This review discusses in detail the various epigenetic role of H19 in inducing oral carcinogenesis.
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Affiliation(s)
- Peramaiyan Rajendran
- Department of Biological Sciences, College of Science, King Faisal University, Al-Ahsa, 31982, Saudi Arabia
- COMManD, Department of Biochemistry, Saveetha Dental College & Hospitals, Saveetha Institute of Medical and Technical Sciences, Velappanchavadi, Chennai, 600 077, Tamil Nadu, India
| | - Ramya Sekar
- Department of Oral Pathology & Microbiology, Meenakshi Ammal Dental College & Hospital, Alapakkam Main Road, Maduravoyal, Chennai, 95, TN, India
- COMManD, Department of Biochemistry, Saveetha Dental College & Hospitals, Saveetha Institute of Medical and Technical Sciences, Velappanchavadi, Chennai, 600 077, Tamil Nadu, India
| | - Basem M. Abdallah
- Department of Biological Sciences, College of Science, King Faisal University, Al-Ahsa, 31982, Saudi Arabia
| | - Shazia Fathima JH
- COMManD, Department of Biochemistry, Saveetha Dental College & Hospitals, Saveetha Institute of Medical and Technical Sciences, Velappanchavadi, Chennai, 600 077, Tamil Nadu, India
- Department of Oral Pathology and Microbiology, Ragas Dental College and Hospitals, Chennai, 600119, Tamil Nadu, India
| | - Enas M. Ali
- Department of Biological Sciences, College of Science, King Faisal University, Al-Ahsa, 31982, Saudi Arabia
- Department of Botany and Microbiology, Faculty of Science, Cairo University, Cairo, 12613, Egypt
| | - Selvaraj Jayaraman
- COMManD, Department of Biochemistry, Saveetha Dental College & Hospitals, Saveetha Institute of Medical and Technical Sciences, Velappanchavadi, Chennai, 600 077, Tamil Nadu, India
| | - Salaheldin Abdelraouf Abdelsalam
- Department of Biological Sciences, College of Science, King Faisal University, Al-Ahsa, 31982, Saudi Arabia
- Department of Zoology, Faculty of Science, Assiut University, Assiut, 71515, Egypt
| | - Vishnupriya Veeraraghavan
- COMManD, Department of Biochemistry, Saveetha Dental College & Hospitals, Saveetha Institute of Medical and Technical Sciences, Velappanchavadi, Chennai, 600 077, Tamil Nadu, India
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Zhang L, Yang H, Duan X, Li H, Xu S, Chen H, Wang J, Wang Y, Liu S. Modulation of autophagy affected tumorigenesis induced by the envelope glycoprotein of JSRV. Virology 2024; 594:110059. [PMID: 38518442 DOI: 10.1016/j.virol.2024.110059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 03/07/2024] [Accepted: 03/11/2024] [Indexed: 03/24/2024]
Abstract
Ovine pulmonary adenocarcinoma (OPA), caused by the jaagsiekte sheep retrovirus (JSRV), is a chronic, progressive, and contagious lung tumor that seriously affects sheep production. It also represents a valuable animal model for several human lung adenocarcinomas. However, little is known about the role of autophagy in OPA tumorigenesis. Here, Western blotting combined with transmission electron microscopy examination and Cyto-ID dye staining was employed for evaluation of changes of autophagic levels. The results of the present study showed that expression of the autophagy marker proteins Beclin-1 and LC3 was decreased in OPA lung tissues, as well as in cells overexpressing the envelope glycoprotein of JSRV (JSRV Env). Reduced numbers of autophagosomes were also observed in cells overexpressing JSRV Env, although assessment of autophagic flux showed that JSRV Env overexpression did not block the formation of autophagosomes, suggesting increased degradation of autolysosomes. Last, mouse xenograft experiments indicated that inhibition of autophagy by 3-methyladenine suppressed both tumor growth and the epithelial-to-mesenchymal transition. In conclusion, JSRV, through JSRV Env, takes advantage of the autophagy process, leading to the development of OPA.
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Affiliation(s)
- Liang Zhang
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, 010018, People's Republic of China; Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease, Ministry of Agriculture, Hohhot, 010018, People's Republic of China; Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, 010018, People's Republic of China
| | - Hui Yang
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, 010018, People's Republic of China
| | - Xujie Duan
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, 010018, People's Republic of China
| | - Huiping Li
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, 010018, People's Republic of China; Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease, Ministry of Agriculture, Hohhot, 010018, People's Republic of China; Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, 010018, People's Republic of China
| | - Siriguleng Xu
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, 010018, People's Republic of China; Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease, Ministry of Agriculture, Hohhot, 010018, People's Republic of China; Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, 010018, People's Republic of China
| | - Hui Chen
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, 010018, People's Republic of China; Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease, Ministry of Agriculture, Hohhot, 010018, People's Republic of China
| | - Jinlin Wang
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, 010018, People's Republic of China; Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease, Ministry of Agriculture, Hohhot, 010018, People's Republic of China; Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, 010018, People's Republic of China
| | - Yu Wang
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, 010018, People's Republic of China; Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease, Ministry of Agriculture, Hohhot, 010018, People's Republic of China
| | - Shuying Liu
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, 010018, People's Republic of China; Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease, Ministry of Agriculture, Hohhot, 010018, People's Republic of China; Inner Mongolia Key Laboratory of Basic Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, 010018, People's Republic of China.
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Ding W, Xiao Q, Yue Y, Chen S, She X, Pan B, Zhou L, Yin Y, Li Y, Wang S, Xu M. Deciphering alternative splicing events and their therapeutic implications in colorectal Cancer. Cell Signal 2024; 118:111134. [PMID: 38484942 DOI: 10.1016/j.cellsig.2024.111134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 02/28/2024] [Accepted: 03/06/2024] [Indexed: 03/17/2024]
Abstract
Colorectal cancer (CRC) is one of the most common malignant tumors with complex molecular regulatory mechanisms. Alternative splicing (AS), a fundamental regulatory process of gene expression, plays an important role in the occurrence and development of CRC. This study analyzed AS Percent Spliced In (PSI) values from 49 pairs of CRC and normal samples in the TCGA SpliceSeq database. Using Lasso and SVM, AS features that can differentiate colorectal cancer from normal were screened. Univariate COX regression analysis identified prognosis-related AS events. A risk model was constructed and validated using machine learning, Kaplan-Meier analysis, and Decision Curve Analysis. The regulatory effect of protein arginine methyltransferase 5 (PRMT5) on poly(RC) binding protein 1 (PCBP1) was verified by immunoprecipitation experiments, and the effect of PCBP1 on the AS of Obscurin (OBSCN) was verified by PCR. Five AS events, including HNF4A.59461.AP and HNF4A.59462.AP, were identified, which can distinguish CRC from normal tissue. A machine learning model using 21 key AS events accurately predicted CRC prognosis. High-risk patients had significantly shorter survival times. PRMT5 was found to regulate PCBP1 function and then influence OBSCN AS, which may drive CRC progression. The study concluded that some AS events is significantly different in CRC and normal tissues, and some of these AS events are related to the prognosis of CRC. In addition, PRMT family-driven arginine modifications play an important role in CRC-specific AS events.
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Affiliation(s)
- Wenbo Ding
- General Clinical Research Center, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China; School of Basic Medicine and Clinical Pharmacy, Nanjing First Hospital, China Pharmaceutical University, Nanjing, Jiangsu, China
| | - Qianni Xiao
- General Clinical Research Center, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China; School of Basic Medicine and Clinical Pharmacy, Nanjing First Hospital, China Pharmaceutical University, Nanjing, Jiangsu, China
| | - Yanzhe Yue
- General Clinical Research Center, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China; School of Basic Medicine and Clinical Pharmacy, Nanjing First Hospital, China Pharmaceutical University, Nanjing, Jiangsu, China
| | - Shuyu Chen
- General Clinical Research Center, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China; School of Basic Medicine and Clinical Pharmacy, Nanjing First Hospital, China Pharmaceutical University, Nanjing, Jiangsu, China
| | - Xiangjian She
- General Clinical Research Center, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China; School of Basic Medicine and Clinical Pharmacy, Nanjing First Hospital, China Pharmaceutical University, Nanjing, Jiangsu, China
| | - Bei Pan
- General Clinical Research Center, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Linpeng Zhou
- General Clinical Research Center, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China; School of Basic Medicine and Clinical Pharmacy, Nanjing First Hospital, China Pharmaceutical University, Nanjing, Jiangsu, China
| | - Yujuan Yin
- General Clinical Research Center, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Youyue Li
- General Clinical Research Center, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Shukui Wang
- General Clinical Research Center, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China; School of Basic Medicine and Clinical Pharmacy, Nanjing First Hospital, China Pharmaceutical University, Nanjing, Jiangsu, China.; Jiangsu Collaborative Innovation Center on Cancer Personalized Medicine, Nanjing Medical University, Nanjing, Jiangsu, China..
| | - Mu Xu
- Department of Laboratory Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China..
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Piscopo VEC, Chapleau A, Blaszczyk GJ, Sirois J, You Z, Soubannier V, Chen CXQ, Bernard G, Antel JP, Durcan TM. The use of a SOX10 reporter toward ameliorating oligodendrocyte lineage differentiation from human induced pluripotent stem cells. Glia 2024; 72:1165-1182. [PMID: 38497409 DOI: 10.1002/glia.24524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 02/01/2024] [Accepted: 03/04/2024] [Indexed: 03/19/2024]
Abstract
Oligodendrocytes (OLs) are key players in the central nervous system, critical for the formation and maintenance of the myelin sheaths insulating axons, ensuring efficient neuronal communication. In the last decade, the use of human induced pluripotent stem cells (iPSCs) has become essential for recapitulating and understanding the differentiation and role of OLs in vitro. Current methods include overexpression of transcription factors for rapid OL generation, neglecting the complexity of OL lineage development. Alternatively, growth factor-based protocols offer physiological relevance but struggle with efficiency and cell heterogeneity. To address these issues, we created a novel SOX10-P2A-mOrange iPSC reporter line to track and purify oligodendrocyte precursor cells. Using this reporter cell line, we analyzed an existing differentiation protocol and shed light on the origin of glial cell heterogeneity. Additionally, we have modified the differentiation protocol, toward enhancing reproducibility, efficiency, and terminal maturity. Our approach not only advances OL biology but also holds promise to accelerate research and translational work with iPSC-derived OLs.
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Affiliation(s)
- Valerio E C Piscopo
- Early Drug Discovery Unit, Montreal Neurological Institute-Hospital, McGill University, Montreal, Quebec, Canada
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada
| | - Alexandra Chapleau
- Early Drug Discovery Unit, Montreal Neurological Institute-Hospital, McGill University, Montreal, Quebec, Canada
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada
- Child Health and Human Development Program, Research Institute of the McGill University Health Center, Montreal, Quebec, Canada
| | - Gabriela J Blaszczyk
- Early Drug Discovery Unit, Montreal Neurological Institute-Hospital, McGill University, Montreal, Quebec, Canada
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada
- Neuroimmunology Unit, Montreal Neurological Institute-Hospital, McGill University, Montreal, Quebec, Canada
| | - Julien Sirois
- Early Drug Discovery Unit, Montreal Neurological Institute-Hospital, McGill University, Montreal, Quebec, Canada
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada
| | - Zhipeng You
- Early Drug Discovery Unit, Montreal Neurological Institute-Hospital, McGill University, Montreal, Quebec, Canada
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada
| | - Vincent Soubannier
- Early Drug Discovery Unit, Montreal Neurological Institute-Hospital, McGill University, Montreal, Quebec, Canada
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada
| | - Carol X-Q Chen
- Early Drug Discovery Unit, Montreal Neurological Institute-Hospital, McGill University, Montreal, Quebec, Canada
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada
| | - Geneviève Bernard
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada
- Child Health and Human Development Program, Research Institute of the McGill University Health Center, Montreal, Quebec, Canada
- Department of Pediatrics and Human Genetics, McGill University, Montreal, Quebec, Canada
- Division of Medical Genetics, Department of Internal Medicine, McGill University Health Center, Montreal, Quebec, Canada
| | - Jack P Antel
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada
- Neuroimmunology Unit, Montreal Neurological Institute-Hospital, McGill University, Montreal, Quebec, Canada
| | - Thomas M Durcan
- Early Drug Discovery Unit, Montreal Neurological Institute-Hospital, McGill University, Montreal, Quebec, Canada
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada
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139
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Ungvari A, Kiss T, Gulej R, Tarantini S, Csik B, Yabluchanskiy A, Mukli P, Csiszar A, Harris ML, Ungvari Z. Irradiation-induced hair graying in mice: an experimental model to evaluate the effectiveness of interventions targeting oxidative stress, DNA damage prevention, and cellular senescence. GeroScience 2024; 46:3105-3122. [PMID: 38182857 PMCID: PMC11009199 DOI: 10.1007/s11357-023-01042-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 12/10/2023] [Indexed: 01/07/2024] Open
Abstract
Hair graying, also known as canities or achromotrichia, is a natural phenomenon associated with aging and is influenced by external factors such as stress, environmental toxicants, and radiation exposure. Understanding the mechanisms underlying hair graying is an ideal approach for developing interventions to prevent or reverse age-related changes in regenerative tissues. Hair graying induced by ionizing radiation (γ-rays or X-rays) has emerged as a valuable experimental model to investigate the molecular pathways involved in this process. In this review, we examine the existing evidence on radiation-induced hair graying, with a particular focus on the potential role of radiation-induced cellular senescence. We explore the current understanding of hair graying in aging, delve into the underlying mechanisms, and highlight the unique advantages of using ionizing-irradiation-induced hair graying as a research model. By elucidating the molecular pathways involved, we aim to deepen our understanding of hair graying and potentially identify novel therapeutic targets to address this age-related phenotypic change.
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Affiliation(s)
- Anna Ungvari
- Department of Public Health, Semmelweis University, Budapest, Hungary.
| | - Tamas Kiss
- International Training Program in Geroscience, Doctoral School of Basic and Translational Medicine/Department of Public Health, Semmelweis University, Budapest, Hungary
- Vascular Cognitive Impairment, Neurodegeneration and Healthy Brain Aging Program, Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
- Oklahoma Center for Geroscience and Healthy Brain Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
- First Department of Pediatrics, Semmelweis University, Budapest, Hungary
- Eötvös Loránd Research Network and Semmelweis University (ELKH-SE) Cerebrovascular and Neurocognitive Disorders Research Group, Budapest, Hungary
| | - Rafal Gulej
- Vascular Cognitive Impairment, Neurodegeneration and Healthy Brain Aging Program, Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
- Oklahoma Center for Geroscience and Healthy Brain Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Stefano Tarantini
- International Training Program in Geroscience, Doctoral School of Basic and Translational Medicine/Department of Public Health, Semmelweis University, Budapest, Hungary
- Vascular Cognitive Impairment, Neurodegeneration and Healthy Brain Aging Program, Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
- Oklahoma Center for Geroscience and Healthy Brain Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
- Stephenson Cancer Center, University of Oklahoma, Oklahoma City, OK, USA
- Department of Health Promotion Sciences, College of Public Health, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Boglarka Csik
- International Training Program in Geroscience, Doctoral School of Basic and Translational Medicine/Department of Public Health, Semmelweis University, Budapest, Hungary
- Vascular Cognitive Impairment, Neurodegeneration and Healthy Brain Aging Program, Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
- Oklahoma Center for Geroscience and Healthy Brain Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Andriy Yabluchanskiy
- International Training Program in Geroscience, Doctoral School of Basic and Translational Medicine/Department of Public Health, Semmelweis University, Budapest, Hungary
- Vascular Cognitive Impairment, Neurodegeneration and Healthy Brain Aging Program, Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
- Oklahoma Center for Geroscience and Healthy Brain Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
- Stephenson Cancer Center, University of Oklahoma, Oklahoma City, OK, USA
- Department of Health Promotion Sciences, College of Public Health, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Peter Mukli
- Department of Public Health, Semmelweis University, Budapest, Hungary
- International Training Program in Geroscience, Doctoral School of Basic and Translational Medicine/Department of Public Health, Semmelweis University, Budapest, Hungary
- Vascular Cognitive Impairment, Neurodegeneration and Healthy Brain Aging Program, Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
- Oklahoma Center for Geroscience and Healthy Brain Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Anna Csiszar
- Vascular Cognitive Impairment, Neurodegeneration and Healthy Brain Aging Program, Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
- Oklahoma Center for Geroscience and Healthy Brain Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
- Stephenson Cancer Center, University of Oklahoma, Oklahoma City, OK, USA
- Department of Health Promotion Sciences, College of Public Health, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
- International Training Program in Geroscience, Doctoral School of Basic and Translational Medicine/Department of Translational Medicine, Semmelweis University, Budapest, Hungary
| | - Melissa L Harris
- Department of Biology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Zoltan Ungvari
- Department of Public Health, Semmelweis University, Budapest, Hungary
- International Training Program in Geroscience, Doctoral School of Basic and Translational Medicine/Department of Public Health, Semmelweis University, Budapest, Hungary
- Vascular Cognitive Impairment, Neurodegeneration and Healthy Brain Aging Program, Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
- Stephenson Cancer Center, University of Oklahoma, Oklahoma City, OK, USA
- Department of Health Promotion Sciences, College of Public Health, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
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140
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Siemers M, Lippegaus A, Papenfort K. ChimericFragments: computation, analysis and visualization of global RNA networks. NAR Genom Bioinform 2024; 6:lqae035. [PMID: 38633425 PMCID: PMC11023125 DOI: 10.1093/nargab/lqae035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 03/08/2024] [Accepted: 03/28/2024] [Indexed: 04/19/2024] Open
Abstract
RNA-RNA interactions are a key feature of post-transcriptional gene regulation in all domains of life. While ever more experimental protocols are being developed to study RNA duplex formation on a genome-wide scale, computational methods for the analysis and interpretation of the underlying data are lagging behind. Here, we present ChimericFragments, an analysis framework for RNA-seq experiments that produce chimeric RNA molecules. ChimericFragments implements a novel statistical method based on the complementarity of the base-pairing RNAs around their ligation site and provides an interactive graph-based visualization for data exploration and interpretation. ChimericFragments detects true RNA-RNA interactions with high precision and is compatible with several widely used experimental procedures such as RIL-seq, LIGR-seq or CLASH. We further demonstrate that ChimericFragments enables the systematic detection of novel RNA regulators and RNA-target pairs with crucial roles in microbial physiology and virulence. ChimericFragments is written in Julia and available at: https://github.com/maltesie/ChimericFragments.
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Affiliation(s)
- Malte Siemers
- Friedrich Schiller University, Institute of Microbiology, 07745 Jena, Germany
- Microverse Cluster, Friedrich Schiller University Jena, 07743 Jena, Germany
| | - Anne Lippegaus
- Friedrich Schiller University, Institute of Microbiology, 07745 Jena, Germany
| | - Kai Papenfort
- Friedrich Schiller University, Institute of Microbiology, 07745 Jena, Germany
- Microverse Cluster, Friedrich Schiller University Jena, 07743 Jena, Germany
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141
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Peng A, Yin G, Zuo W, Zhang L, Du G, Chen J, Wang Y, Kang Z. Regulatory RNAs in Bacillus subtilis: A review on regulatory mechanism and applications in synthetic biology. Synth Syst Biotechnol 2024; 9:223-233. [PMID: 38385150 PMCID: PMC10877136 DOI: 10.1016/j.synbio.2024.01.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 01/15/2024] [Accepted: 01/31/2024] [Indexed: 02/23/2024] Open
Abstract
Bacteria exhibit a rich repertoire of RNA molecules that intricately regulate gene expression at multiple hierarchical levels, including small RNAs (sRNAs), riboswitches, and antisense RNAs. Notably, the majority of these regulatory RNAs lack or have limited protein-coding capacity but play pivotal roles in orchestrating gene expression by modulating transcription, post-transcription or translation processes. Leveraging and redesigning these regulatory RNA elements have emerged as pivotal strategies in the domains of metabolic engineering and synthetic biology. While previous investigations predominantly focused on delineating the roles of regulatory RNA in Gram-negative bacterial models such as Escherichia coli and Salmonella enterica, this review aims to summarize the mechanisms and functionalities of endogenous regulatory RNAs inherent to typical Gram-positive bacteria, notably Bacillus subtilis. Furthermore, we explore the engineering and practical applications of these regulatory RNA elements in the arena of synthetic biology, employing B. subtilis as a foundational chassis.
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Affiliation(s)
- Anqi Peng
- The Science Center for Future Foods, Jiangnan University, Wuxi, 214122, China
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
| | - Guobin Yin
- The Science Center for Future Foods, Jiangnan University, Wuxi, 214122, China
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
| | - Wenjie Zuo
- The Science Center for Future Foods, Jiangnan University, Wuxi, 214122, China
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
| | - Luyao Zhang
- The Science Center for Future Foods, Jiangnan University, Wuxi, 214122, China
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
| | - Guocheng Du
- The Science Center for Future Foods, Jiangnan University, Wuxi, 214122, China
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
| | - Jian Chen
- The Science Center for Future Foods, Jiangnan University, Wuxi, 214122, China
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
| | - Yang Wang
- The Science Center for Future Foods, Jiangnan University, Wuxi, 214122, China
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
| | - Zhen Kang
- The Science Center for Future Foods, Jiangnan University, Wuxi, 214122, China
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
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142
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Paul D, Dixit AB, Srivastava A, Banerjee J, Tripathi M, Suman P, Doddamani R, Lalwani S, Siraj F, Sharma MC, Chandra PS, Singh RK. Altered expression of activating transcription factor 3 in the hippocampus of patients with mesial temporal lobe epilepsy-hippocampal sclerosis (MTLE-HS). Int J Neurosci 2024; 134:267-273. [PMID: 35822277 DOI: 10.1080/00207454.2022.2100777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 06/07/2022] [Accepted: 06/23/2022] [Indexed: 10/17/2022]
Abstract
Aim of the study: Activating Transforming factor 3 (ATF3) is a stress induced gene and closely associated with neuro-inflammation while Transforming growth Factor Beta (TGFβ) signalling is also reported to be involved in neuro-inflammation and hyper-excitability associated with drug resistant epilepsy. Animal model studies indicate the involvement of ATF3 and TGFβ receptors to promote epileptogenesis. Human studies also show that TGFβ signalling is activated in MTLE-HS. However, lack of studies on ATF3 and TGFβRI expression in MTLE-HS patients exists. We hypothesize that ATF3 and TGFβRI might be expressed in hippocampi of patients with MTLE-HS and playing role in epileptogenesis. Materials & methods: Protein expression of ATF3 and TGFβRI was performed by western blotting. Localisation of ATF3 was performed by immunohistochemistry and immunoflorescence. Results: Protein expression of ATF3 and TGFβRI was significantly up-regulated in hippocampi of patients as compared to controls. Also ATF3 IR was significantly expressed in hippocampi of patients and ATF3 was expressed predominantly in cytoplasm as compared to nucleus. No correlation was found between ATF3 expression and epilepsy duration and seizure frequency. Conclusions: ATF3 and TGFβRI are both important players in neuro-inflammation and might potentiate epileptogenesis in these patients.
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Affiliation(s)
- Debasmita Paul
- Department of Neurosurgery, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Aparna Banerjee Dixit
- Dr. B.R. Ambedkar Center for Biomedical Research, University of Delhi, New Delhi, India
| | - Arpna Srivastava
- Department of Neurology, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Jyotirmoy Banerjee
- Department of Biophysics, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Manjari Tripathi
- Department of Neurology, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Priya Suman
- Dr. B.R. Ambedkar Center for Biomedical Research, University of Delhi, New Delhi, India
| | - Ramesh Doddamani
- Department of Neurosurgery, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Sanjeev Lalwani
- Department of Forensic Medicine and Toxicology, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Fouzia Siraj
- National Institute of Pathology, Safdarjung Hospital campus, New Delhi, India
| | - Mehar Chand Sharma
- Department of Pathology, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - P Sarat Chandra
- Department of Neurosurgery, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Rajesh Kumar Singh
- Department of Neurology, All India Institute of Medical Sciences (AIIMS), New Delhi, India
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143
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Pekkarinen M, Nordfors K, Uusi-Mäkelä J, Kytölä V, Hartewig A, Huhtala L, Rauhala M, Urhonen H, Häyrynen S, Afyounian E, Yli-Harja O, Zhang W, Helen P, Lohi O, Haapasalo H, Haapasalo J, Nykter M, Kesseli J, Rautajoki KJ. Aberrant DNA methylation distorts developmental trajectories in atypical teratoid/rhabdoid tumors. Life Sci Alliance 2024; 7:e202302088. [PMID: 38499326 PMCID: PMC10948937 DOI: 10.26508/lsa.202302088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 03/06/2024] [Accepted: 03/06/2024] [Indexed: 03/20/2024] Open
Abstract
Atypical teratoid/rhabdoid tumors (AT/RTs) are pediatric brain tumors known for their aggressiveness and aberrant but still unresolved epigenetic regulation. To better understand their malignancy, we investigated how AT/RT-specific DNA hypermethylation was associated with gene expression and altered transcription factor binding and how it is linked to upstream regulation. Medulloblastomas, choroid plexus tumors, pluripotent stem cells, and fetal brain were used as references. A part of the genomic regions, which were hypermethylated in AT/RTs similarly as in pluripotent stem cells and demethylated in the fetal brain, were targeted by neural transcriptional regulators. AT/RT-unique DNA hypermethylation was associated with polycomb repressive complex 2 and linked to suppressed genes with a role in neural development and tumorigenesis. Activity of the several NEUROG/NEUROD pioneer factors, which are unable to bind to methylated DNA, was compromised via the suppressed expression or DNA hypermethylation of their target sites, which was also experimentally validated for NEUROD1 in medulloblastomas and AT/RT samples. These results highlight and characterize the role of DNA hypermethylation in AT/RT malignancy and halted neural cell differentiation.
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Affiliation(s)
- Meeri Pekkarinen
- https://ror.org/033003e23 Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, Tampere University Hospital, Tampere, Finland
| | - Kristiina Nordfors
- https://ror.org/033003e23 Tampere Center for Child Health Research, Tays Cancer Center, Tampere University and Tampere University Hospital, Tampere, Finland
- Tays Cancer Center, Tampere University Hospital, Tampere, Finland
- Unit of Pediatric Hematology and Oncology, Tampere University Hospital, Tampere, Finland
| | - Joonas Uusi-Mäkelä
- https://ror.org/033003e23 Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, Tampere University Hospital, Tampere, Finland
| | - Ville Kytölä
- https://ror.org/033003e23 Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, Tampere University Hospital, Tampere, Finland
| | - Anja Hartewig
- https://ror.org/033003e23 Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, Tampere University Hospital, Tampere, Finland
| | - Laura Huhtala
- https://ror.org/033003e23 Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, Tampere University Hospital, Tampere, Finland
| | - Minna Rauhala
- Tays Cancer Center, Tampere University Hospital, Tampere, Finland
- https://ror.org/033003e23 Department of Neurosurgery, Tays Cancer Centre, Tampere University Hospital and Tampere University, Tampere, Finland
| | - Henna Urhonen
- https://ror.org/033003e23 Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, Tampere University Hospital, Tampere, Finland
| | - Sergei Häyrynen
- https://ror.org/033003e23 Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, Tampere University Hospital, Tampere, Finland
| | - Ebrahim Afyounian
- https://ror.org/033003e23 Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, Tampere University Hospital, Tampere, Finland
| | - Olli Yli-Harja
- https://ror.org/033003e23 Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, Tampere University Hospital, Tampere, Finland
- Institute for Systems Biology, Seattle, WA, USA
| | - Wei Zhang
- Cancer Genomics and Precision Oncology, Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, NC, USA
| | - Pauli Helen
- https://ror.org/033003e23 Department of Neurosurgery, Tays Cancer Centre, Tampere University Hospital and Tampere University, Tampere, Finland
| | - Olli Lohi
- https://ror.org/033003e23 Tampere Center for Child Health Research, Tays Cancer Center, Tampere University and Tampere University Hospital, Tampere, Finland
- Tays Cancer Center, Tampere University Hospital, Tampere, Finland
- https://ror.org/033003e23 Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, Tampere University Hospital, Tampere, Finland
| | - Hannu Haapasalo
- https://ror.org/033003e23 Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, Tampere University Hospital, Tampere, Finland
- https://ror.org/031y6w871 Fimlab Laboratories Ltd, Tampere University Hospital, Tampere, Finland
| | - Joonas Haapasalo
- Tays Cancer Center, Tampere University Hospital, Tampere, Finland
- https://ror.org/033003e23 Department of Neurosurgery, Tays Cancer Centre, Tampere University Hospital and Tampere University, Tampere, Finland
- https://ror.org/031y6w871 Fimlab Laboratories Ltd, Tampere University Hospital, Tampere, Finland
| | - Matti Nykter
- https://ror.org/033003e23 Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, Tampere University Hospital, Tampere, Finland
| | - Juha Kesseli
- https://ror.org/033003e23 Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, Tampere University Hospital, Tampere, Finland
| | - Kirsi J Rautajoki
- https://ror.org/033003e23 Prostate Cancer Research Center, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, Tampere University Hospital, Tampere, Finland
- https://ror.org/033003e23 Tampere Institute for Advanced Study, Tampere University, Tampere, Finland
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144
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Manguso N, Kim M, Joshi N, Al Mahmud MR, Aldaco J, Suzuki R, Cortes-Ledesma F, Cui X, Yamada S, Takeda S, Giuliano A, You S, Tanaka H. TDP2 is a regulator of estrogen-responsive oncogene expression. NAR Cancer 2024; 6:zcae016. [PMID: 38596431 PMCID: PMC11000318 DOI: 10.1093/narcan/zcae016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 02/19/2024] [Accepted: 03/14/2024] [Indexed: 04/11/2024] Open
Abstract
With its ligand estrogen, the estrogen receptor (ER) initiates a global transcriptional program, promoting cell growth. This process involves topoisomerase 2 (TOP2), a key protein in resolving topological issues during transcription by cleaving a DNA duplex, passing another duplex through the break, and repairing the break. Recent studies revealed the involvement of various DNA repair proteins in the repair of TOP2-induced breaks, suggesting potential alternative repair pathways in cases where TOP2 is halted after cleavage. However, the contribution of these proteins in ER-induced transcriptional regulation remains unclear. We investigated the role of tyrosyl-DNA phosphodiesterase 2 (TDP2), an enzyme for the removal of halted TOP2 from the DNA ends, in the estrogen-induced transcriptome using both targeted and global transcription analyses. MYC activation by estrogen, a TOP2-dependent and transient event, became prolonged in the absence of TDP2 in both TDP2-deficient cells and mice. Bulk and single-cell RNA-seq analyses defined MYC and CCND1 as oncogenes whose estrogen response is tightly regulated by TDP2. These results suggest that TDP2 may inherently participate in the repair of estrogen-induced breaks at specific genomic loci, exerting precise control over oncogenic gene expression.
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Affiliation(s)
- Nicholas Manguso
- Department of Surgery, Cedars-Sinai Medical Center, West Hollywood, CA 90048 USA
| | - Minhyung Kim
- Department of Urology and Computational Biomedicine, Cedars-Sinai Medical Center, West Hollywood, CA 90048 USA
| | - Neeraj Joshi
- Department of Surgery, Cedars-Sinai Medical Center, West Hollywood, CA 90048 USA
| | - Md Rasel Al Mahmud
- Department of Radiation Genetics, Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan
| | - Juan Aldaco
- Department of Surgery, Cedars-Sinai Medical Center, West Hollywood, CA 90048 USA
| | - Ryusuke Suzuki
- Department of Surgery, Cedars-Sinai Medical Center, West Hollywood, CA 90048 USA
| | - Felipe Cortes-Ledesma
- Centro Andaluz de Biología Molecular y Medicina Regenerativa (CABIMER), CSIC-Universidad de Sevilla-Universidad Pablo de Olavide, Sevilla, 41092, Spain
| | - Xiaojiang Cui
- Department of Surgery, Cedars-Sinai Medical Center, West Hollywood, CA 90048 USA
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, West Hollywood, CA 90048, USA
| | - Shintaro Yamada
- Department of Radiation Genetics, Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan
| | - Shunichi Takeda
- Department of Radiation Genetics, Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan
| | - Armando Giuliano
- Department of Surgery, Cedars-Sinai Medical Center, West Hollywood, CA 90048 USA
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, West Hollywood, CA 90048, USA
| | - Sungyong You
- Department of Urology and Computational Biomedicine, Cedars-Sinai Medical Center, West Hollywood, CA 90048 USA
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, West Hollywood, CA 90048, USA
| | - Hisashi Tanaka
- Department of Surgery, Cedars-Sinai Medical Center, West Hollywood, CA 90048 USA
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, West Hollywood, CA 90048, USA
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, West Hollywood, CA 90048, USA
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145
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D'Alfonso A, Micheli G, Camilloni G. rDNA transcription, replication and stability in Saccharomyces cerevisiae. Semin Cell Dev Biol 2024; 159-160:1-9. [PMID: 38244478 DOI: 10.1016/j.semcdb.2024.01.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 12/20/2023] [Accepted: 01/10/2024] [Indexed: 01/22/2024]
Abstract
The ribosomal DNA locus (rDNA) is central for the functioning of cells because it encodes ribosomal RNAs, key components of ribosomes, and also because of its links to fundamental metabolic processes, with significant impact on genome integrity and aging. The repetitive nature of the rDNA gene units forces the locus to maintain sequence homogeneity through recombination processes that are closely related to genomic stability. The co-presence of basic DNA transactions, such as replication, transcription by major RNA polymerases, and recombination, in a defined and restricted area of the genome is of particular relevance as it affects the stability of the rDNA locus by both direct and indirect mechanisms. This condition is well exemplified by the rDNA of Saccharomyces cerevisiae. In this review we summarize essential knowledge on how the complexity and overlap of different processes contribute to the control of rDNA and genomic stability in this model organism.
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Affiliation(s)
- Anna D'Alfonso
- Dipartimento di Biologia e Biotecnologie C. Darwin, Università degli studi di Roma, Sapienza, Rome, Italy
| | - Gioacchino Micheli
- Istituto di Biologia e Patologia Molecolari, Consiglio Nazionale delle Ricerche, Rome, Italy
| | - Giorgio Camilloni
- Dipartimento di Biologia e Biotecnologie C. Darwin, Università degli studi di Roma, Sapienza, Rome, Italy.
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146
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Liu X, Yao X, Chen L. Expanding roles of circRNAs in cardiovascular diseases. Noncoding RNA Res 2024; 9:429-436. [PMID: 38511061 PMCID: PMC10950605 DOI: 10.1016/j.ncrna.2024.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 02/01/2024] [Accepted: 02/04/2024] [Indexed: 03/22/2024] Open
Abstract
CircRNAs are a class of single-stranded RNAs characterized by covalently looped structures. Emerging advances have promoted our understanding of circRNA biogenesis, nuclear export, biological functions, and functional mechanisms. Roles of circRNAs in diverse diseases have been increasingly recognized in the past decade, with novel approaches in bioinformatics analysis and new strategies in modulating circRNA levels, which have made circRNAs the hot spot for therapeutic applications. Moreover, due to the intrinsic features of circRNAs such as high stability, conservation, and tissue-/stage-specific expression, circRNAs are believed to be promising prognostic and diagnostic markers for diseases. Aiming cardiovascular disease (CVD), one of the leading causes of mortality worldwide, we briefly summarize the current understanding of circRNAs, provide the recent progress in circRNA functions and functional mechanisms in CVD, and discuss the future perspectives both in circRNA research and therapeutics based on existing knowledge.
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Affiliation(s)
- Xu Liu
- Department of Cardiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Xuelin Yao
- Department of Endocrinology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
- Department of Endocrinology, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, China
| | - Liang Chen
- Department of Cardiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
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147
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Fu S, Ke H, Yuan H, Xu H, Chen W, Zhao L. Dual role of pregnancy in breast cancer risk. Gen Comp Endocrinol 2024; 352:114501. [PMID: 38527592 DOI: 10.1016/j.ygcen.2024.114501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/15/2024] [Accepted: 03/20/2024] [Indexed: 03/27/2024]
Abstract
Reproductive history is one of the strongest risk factors for breast cancer in women. Pregnancy can promote short-term breast cancer risk, but also reduce a woman's lifetime risk of breast cancer. Changes in hormone levels before and after pregnancy are one of the key factors in breast cancer risk. This article summarizes the changes in hormone levels before and after pregnancy, and the roles of hormones in mammary gland development and breast cancer progression. Other factors, such as changes in breast morphology and mammary gland differentiation, changes in the proportion of mammary stem cells (MaSCs), changes in the immune and inflammatory environment, and changes in lactation before and after pregnancy, also play key roles in the occurrence and development of breast cancer. This review discusses the dual effects and the potential mechanisms of pregnancy on breast cancer risk from the above aspects, which is helpful to understand the complexity of female breast cancer occurrence.
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Affiliation(s)
- Shiting Fu
- Human Aging Research Institute (HARI) and School of Life Science, Nanchang University, and Jiangxi Key Laboratory of Human Aging, Nanchang 330031, China
| | - Hao Ke
- Human Aging Research Institute (HARI) and School of Life Science, Nanchang University, and Jiangxi Key Laboratory of Human Aging, Nanchang 330031, China
| | | | - Huaimeng Xu
- Human Aging Research Institute (HARI) and School of Life Science, Nanchang University, and Jiangxi Key Laboratory of Human Aging, Nanchang 330031, China
| | - Wenyan Chen
- Department of Medical Oncology, The Third Hospital of Nanchang, Nanchang 330009, China
| | - Limin Zhao
- Human Aging Research Institute (HARI) and School of Life Science, Nanchang University, and Jiangxi Key Laboratory of Human Aging, Nanchang 330031, China.
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148
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Liu F, Tang J, Li T, Zhang Q. The microRNA miR482 regulates NBS-LRR genes in response to ALT1 infection in apple. Plant Sci 2024; 343:112078. [PMID: 38556113 DOI: 10.1016/j.plantsci.2024.112078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 02/01/2024] [Accepted: 03/28/2024] [Indexed: 04/02/2024]
Abstract
Plants are frequently attacked by a variety of pathogens and thus have evolved a series of defense mechanisms, one important mechanism is resistance gene (R gene)-mediated disease resistance, but its expression is tightly regulated. NBS-LRR genes are the largest gene family of R genes. microRNAs (miRNAs) target to a number of NBS-LRR genes and trigger the production of phased small interfering RNAs (phasiRNAs) from these transcripts. phasiRNAs cis or trans regulate NBS-LRR genes, which can result in the repression of R gene expression. In this study, we screened for upregulated miR482 in the susceptible apple cultivar 'Golden Delicious' (GD) after inoculation with the fungal pathogen Alternaria alternata f. sp. mali (ALT1). Additionally, through combined degradome sequencing, we identified a gene targeted by miR482, named MdTNL1, a gene encoding a TIR-NBS-LRR (Toll/interleukin1 receptor-nucleotide binding site-leucine-rich repeat) protein. This gene exhibited a significant down-regulation post ALT1 inoculation, suggesting an impact on gene expression mediated by miRNA regulation. miR482 could cleave MdTNL1 and generate phasiRNAs at the cleavage site. We found that overexpression of miR482 inhibited the expression of MdTNL1 and thus reduced the disease resistance of GD, while silencing of miR482 increased the expression of MdTNL1 and thus improved the disease resistance of GD. This work elucidates key mechanisms underlying the immune response to Alternaria infection in apple. Identification of the resistance genes involved will enable molecular breeding for prevention and control of Alternaria leaf spot disease in this important fruit crop.
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Affiliation(s)
- Feiyu Liu
- Laboratory of Fruit Cell and Molecular Breeding, China Agricultural University, Beijing, 100193 China
| | - Jinqi Tang
- Laboratory of Fruit Cell and Molecular Breeding, China Agricultural University, Beijing, 100193 China
| | - Tianzhong Li
- Laboratory of Fruit Cell and Molecular Breeding, China Agricultural University, Beijing, 100193 China
| | - Qiulei Zhang
- Laboratory of Fruit Cell and Molecular Breeding, China Agricultural University, Beijing, 100193 China.
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149
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Zeinelabdeen Y, Abaza T, Yasser MB, Elemam NM, Youness RA. MIAT LncRNA: A multifunctional key player in non-oncological pathological conditions. Noncoding RNA Res 2024; 9:447-462. [PMID: 38511054 PMCID: PMC10950597 DOI: 10.1016/j.ncrna.2024.01.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 12/27/2023] [Accepted: 01/14/2024] [Indexed: 03/22/2024] Open
Abstract
The discovery of non-coding RNAs (ncRNAs) has unveiled a wide range of transcripts that do not encode proteins but play key roles in several cellular and molecular processes. Long noncoding RNAs (lncRNAs) are specific class of ncRNAs that are longer than 200 nucleotides and have gained significant attention due to their diverse mechanisms of action and potential involvement in various pathological conditions. In the current review, the authors focus on the role of lncRNAs, specifically highlighting the Myocardial Infarction Associated Transcript (MIAT), in non-oncological context. MIAT is a nuclear lncRNA that has been directly linked to myocardial infarction and is reported to control post-transcriptional processes as a competitive endogenous RNA (ceRNA) molecule. It interacts with microRNAs (miRNAs), thereby limiting the translation and expression of their respective target messenger RNA (mRNA) and regulating protein expression. Yet, MIAT has been implicated in other numerous pathological conditions such as other cardiovascular diseases, autoimmune disease, neurodegenerative diseases, metabolic diseases, and many others. In this review, the authors emphasize that MIAT exhibits distinct expression patterns and functions across different pathological conditions and is emerging as potential diagnostic, prognostic, and therapeutic agent. Additionally, the authors highlight the regulatory role of MIAT and shed light on the involvement of lncRNAs and specifically MIAT in various non-oncological pathological conditions.
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Affiliation(s)
- Yousra Zeinelabdeen
- Molecular Genetics Research Team, Molecular Biology and Biochemistry Department, Faculty of Biotechnology, German International University (GIU), Cairo, 11835, Egypt
- Faculty of Medical Sciences/UMCG, University of Groningen, Antonius Deusinglaan 1, Groningen, 9713 AV, the Netherlands
| | - Tasneem Abaza
- Molecular Genetics Research Team, Molecular Biology and Biochemistry Department, Faculty of Biotechnology, German International University (GIU), Cairo, 11835, Egypt
- Biotechnology and Biomolecular Biochemistry Program, Faculty of Science, Cairo University, Cairo, Egypt
| | - Montaser Bellah Yasser
- Bioinformatics Group, Center for Informatics Sciences (CIS), School of Information Technology and Computer Science (ITCS), Nile University, Giza, Egypt
| | - Noha M. Elemam
- Clinical Sciences Department, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Rana A. Youness
- Molecular Genetics Research Team, Molecular Biology and Biochemistry Department, Faculty of Biotechnology, German International University (GIU), Cairo, 11835, Egypt
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150
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Hwang SP, Denicourt C. The impact of ribosome biogenesis in cancer: from proliferation to metastasis. NAR Cancer 2024; 6:zcae017. [PMID: 38633862 PMCID: PMC11023387 DOI: 10.1093/narcan/zcae017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 02/23/2024] [Accepted: 03/26/2024] [Indexed: 04/19/2024] Open
Abstract
The dysregulation of ribosome biogenesis is a hallmark of cancer, facilitating the adaptation to altered translational demands essential for various aspects of tumor progression. This review explores the intricate interplay between ribosome biogenesis and cancer development, highlighting dynamic regulation orchestrated by key oncogenic signaling pathways. Recent studies reveal the multifaceted roles of ribosomes, extending beyond protein factories to include regulatory functions in mRNA translation. Dysregulated ribosome biogenesis not only hampers precise control of global protein production and proliferation but also influences processes such as the maintenance of stem cell-like properties and epithelial-mesenchymal transition, contributing to cancer progression. Interference with ribosome biogenesis, notably through RNA Pol I inhibition, elicits a stress response marked by nucleolar integrity loss, and subsequent G1-cell cycle arrest or cell death. These findings suggest that cancer cells may rely on heightened RNA Pol I transcription, rendering ribosomal RNA synthesis a potential therapeutic vulnerability. The review further explores targeting ribosome biogenesis vulnerabilities as a promising strategy to disrupt global ribosome production, presenting therapeutic opportunities for cancer treatment.
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Affiliation(s)
- Sseu-Pei Hwang
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center, Houston, TX 77030, USA
- The University of Texas MD Anderson Cancer Center UTHealth Houston Graduate School of Biomedical Sciences, Houston, TX 77030, USA
| | - Catherine Denicourt
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center, Houston, TX 77030, USA
- The University of Texas MD Anderson Cancer Center UTHealth Houston Graduate School of Biomedical Sciences, Houston, TX 77030, USA
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