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Shastry S, Samal D, Pethe P. Histone H2A deubiquitinase BAP1 is essential for endothelial cell differentiation from human pluripotent stem cells. In Vitro Cell Dev Biol Anim 2024:10.1007/s11626-024-00935-x. [PMID: 38976206 DOI: 10.1007/s11626-024-00935-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Accepted: 05/25/2024] [Indexed: 07/09/2024]
Abstract
Polycomb group proteins (PcGs) add repressive post translational histone modifications such as H2AK119ub1, and histone H2A deubiquitinases remove it. Mice lacking histone H2A deubiquitinases such as Usp16 and Bap1 die in embryonic stage, while mice lacking Usp3, Mysm1, Usp12, and Usp21 have been shown to be deficient in hematopoietic lineage differentiation, cell cycle regulation, and DNA repair. Thus, it is likely that histone deubiquitinases may also be required for human endothelial cell differentiation; however, there are no reports about the role of histone H2A deubiquitinase BAP1 in human endothelial cell development. We differentiated human pluripotent stem cells into the endothelial lineage which expressed stable inducible shRNA against BAP1. Our results show that BAP1 is required for human endothelial cell differentiation.
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Affiliation(s)
- Shruti Shastry
- Symbiosis Centre for Stem Cell Research (SCSCR), Symbiosis International (Deemed University), Pune, India
- Worcester Polytechnic Institute (WPI), Boston, USA
| | - Dharitree Samal
- Symbiosis Centre for Stem Cell Research (SCSCR), Symbiosis International (Deemed University), Pune, India
| | - Prasad Pethe
- Symbiosis Centre for Stem Cell Research (SCSCR), Symbiosis International (Deemed University), Pune, India.
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Zhao A, Xu W, Han R, Wei J, Yu Q, Wang M, Li H, Li M, Chi G. Role of histone modifications in neurogenesis and neurodegenerative disease development. Ageing Res Rev 2024; 98:102324. [PMID: 38762100 DOI: 10.1016/j.arr.2024.102324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 04/30/2024] [Accepted: 05/05/2024] [Indexed: 05/20/2024]
Abstract
Progressive neuronal dysfunction and death are key features of neurodegenerative diseases; therefore, promoting neurogenesis in neurodegenerative diseases is crucial. With advancements in proteomics and high-throughput sequencing technology, it has been demonstrated that histone post-transcriptional modifications (PTMs) are often altered during neurogenesis when the brain is affected by disease or external stimuli and that the degree of histone modification is closely associated with the development of neurodegenerative diseases. This review aimed to show the regulatory role of histone modifications in neurogenesis and neurodegenerative diseases by discussing the changing patterns and functional significance of histone modifications, including histone methylation, acetylation, ubiquitination, phosphorylation, and lactylation. Finally, we explored the control of neurogenesis and the development of neurodegenerative diseases by artificially modulating histone modifications.
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Affiliation(s)
- Anqi Zhao
- The Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Wenhong Xu
- The Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Rui Han
- Department of Neurovascular Surgery, First Hospital of Jilin University, Changchun, 130021, China
| | - Junyuan Wei
- The Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Qi Yu
- The Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Miaomiao Wang
- The Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Haokun Li
- The Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Meiying Li
- The Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China.
| | - Guangfan Chi
- The Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China.
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Virdi JK, Pethe P. Assessment of human embryonic stem cells differentiation into definitive endoderm lineage on the soft substrates. Cell Biol Int 2024. [PMID: 38419492 DOI: 10.1002/cbin.12151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 02/08/2024] [Accepted: 02/19/2024] [Indexed: 03/02/2024]
Abstract
Pluripotent stem cells (PSCs) hold enormous potential for treating multiple diseases owing to their ability to self-renew and differentiate into any cell type. Albeit possessing such promising potential, controlling their differentiation into a desired cell type continues to be a challenge. Recent studies suggest that PSCs respond to different substrate stiffness and, therefore, can differentiate towards some lineages via Hippo pathway. Human PSCs can also differentiate and self-organize into functional cells, such as organoids. Traditionally, human PSCs are differentiated on stiff plastic or glass plates towards definitive endoderm and then into functional pancreatic progenitor cells in the presence of soluble growth factors. Thus, whether stiffness plays any role in differentiation towards definitive endoderm from human pluripotent stem cells (hPSCs) remains unclear. Our study found that the directed differentiation of human embryonic stem cells towards endodermal lineage on the varying stiffness did not differ from the differentiation on stiff plastic dishes. We also observed no statistical difference between the expression of yes-associated protein (YAP) and phosphorylated YAP. Furthermore, we demonstrate that lysophosphatidic acid, a YAP activator, enhanced definitive endoderm formation, whereas verteporfin, a YAP inhibitor, did not have the significant effect on the differentiation. In summary, our results suggest that human embryonic stem cells may not differentiate in response to changes in stiffness, and that such cues may not have as significant impact on the level of YAP. Our findings indicate that more research is needed to understand the direct relationship between biophysical forces and hPSCs differentiation.
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Affiliation(s)
- Jasmeet Kaur Virdi
- Department of Biological Sciences, Sunandan Divatia School of Science, SVKM's NMIMS (Deemed-to-be) University, Mumbai, Maharashtra, India
| | - Prasad Pethe
- Symbiosis Centre for Stem Cell Research, Symbiosis School of Biological Sciences, Symbiosis International (Deemed) University, Pune, Maharashtra, India
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Ong ALC, Kokaji T, Kishi A, Takihara Y, Shinozuka T, Shimamoto R, Isotani A, Shirai M, Sasai N. Acquisition of neural fate by combination of BMP blockade and chromatin modification. iScience 2023; 26:107887. [PMID: 37771660 PMCID: PMC10522999 DOI: 10.1016/j.isci.2023.107887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 08/07/2023] [Accepted: 09/07/2023] [Indexed: 09/30/2023] Open
Abstract
Neural induction is a process where naive cells are converted into committed cells with neural characteristics, and it occurs at the earliest step during embryogenesis. Although the signaling molecules and chromatin remodeling for neural induction have been identified, the mutual relationships between these molecules are yet to be fully understood. By taking advantage of the neural differentiation system of mouse embryonic stem (ES) cells, we discovered that the BMP signal regulates the expression of several polycomb repressor complex (PRC) component genes. We particularly focused on Polyhomeotic Homolog 1 (Phc1) and established Phc1-knockout (Phc1-KO) ES cells. We found that Phc1-KO failed to acquire the neural fate, and the cells remained in pluripotent or primitive non-neural states. Chromatin accessibility analysis suggests that Phc1 is essential for chromatin packing. Aberrant upregulation of the BMP signal was confirmed in the Phc1 homozygotic mutant embryos. Taken together, Phc1 is required for neural differentiation through epigenetic modification.
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Affiliation(s)
- Agnes Lee Chen Ong
- Division of Biological Sciences, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma 630-0192, Japan
| | - Toshiya Kokaji
- Data-driven biology, NAIST Data Science Center, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma 630-0192, Japan
| | - Arisa Kishi
- Division of Biological Sciences, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma 630-0192, Japan
| | - Yoshihiro Takihara
- Research Institute for Radiation Biology and Medicine, Hiroshima University, 1-2-3, Kasumi, Minami-ku, Hiroshima 734-0037, Japan
| | - Takuma Shinozuka
- Division of Biological Sciences, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma 630-0192, Japan
| | - Ren Shimamoto
- Division of Biological Sciences, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma 630-0192, Japan
| | - Ayako Isotani
- Division of Biological Sciences, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma 630-0192, Japan
| | - Manabu Shirai
- Omics Research Center (ORC), National Cerebral and Cardiovascular Center, 6-1 Kishibe Shinmachi, Suita, Osaka 564-8565, Japan
| | - Noriaki Sasai
- Division of Biological Sciences, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma 630-0192, Japan
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Di Liegro CM, Schiera G, Schirò G, Di Liegro I. Involvement of the H3.3 Histone Variant in the Epigenetic Regulation of Gene Expression in the Nervous System, in Both Physiological and Pathological Conditions. Int J Mol Sci 2023; 24:11028. [PMID: 37446205 DOI: 10.3390/ijms241311028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/19/2023] [Accepted: 07/01/2023] [Indexed: 07/15/2023] Open
Abstract
All the cells of an organism contain the same genome. However, each cell expresses only a minor fraction of its potential and, in particular, the genes encoding the proteins necessary for basal metabolism and the proteins responsible for its specific phenotype. The ability to use only the right and necessary genes involved in specific functions depends on the structural organization of the nuclear chromatin, which in turn depends on the epigenetic history of each cell, which is stored in the form of a collection of DNA and protein modifications. Among these modifications, DNA methylation and many kinds of post-translational modifications of histones play a key role in organizing the complex indexing of usable genes. In addition, non-canonical histone proteins (also known as histone variants), the synthesis of which is not directly linked with DNA replication, are used to mark specific regions of the genome. Here, we will discuss the role of the H3.3 histone variant, with particular attention to its loading into chromatin in the mammalian nervous system, both in physiological and pathological conditions. Indeed, chromatin modifications that mark cell memory seem to be of special importance for the cells involved in the complex processes of learning and memory.
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Affiliation(s)
- Carlo Maria Di Liegro
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, 90128 Palermo, Italy
| | - Gabriella Schiera
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, 90128 Palermo, Italy
| | - Giuseppe Schirò
- Department of Biomedicine, Neurosciences and Advanced Diagnostics (Bi.N.D.), University of Palermo, 90127 Palermo, Italy
| | - Italia Di Liegro
- Department of Biomedicine, Neurosciences and Advanced Diagnostics (Bi.N.D.), University of Palermo, 90127 Palermo, Italy
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Das M, Pethe P. Differential expression of retinoic acid alpha and beta receptors in neuronal progenitors generated from human embryonic stem cells in response to TTNPB (a retinoic acid mimetic). Differentiation 2021; 121:13-24. [PMID: 34419635 DOI: 10.1016/j.diff.2021.08.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 07/26/2021] [Accepted: 08/09/2021] [Indexed: 02/07/2023]
Abstract
Retinoic acid (RA), an active metabolite of vitamin A, plays a critical role in the morphogenesis and differentiation of various tissues, especially in the central nervous system. RA is the most commonly used morphogen for the differentiation of human embryonic stem cells (hESCs) into neuronal progenitor cells (NPCs), an abundant source of healthy neuronal tissues for regenerative therapy. During the differentiation process, the activity of RA is governed by the involvement of RA receptor subtypes (RAR α, β, and γ) and their isoforms in the nucleus. However, little is known about the involvement of specific RAR subtypes during neuronal differentiation in humans. It is essential to elucidate the dynamic function of different RAR subtypes and their influence on the phenotypic outcome. Here in this study, we used TTNPB, an analog and stabilized form of retinoic acid that potently and selectively activates retinoic acid receptors. Here we determined the optimum concentration of TTNPBfor the efficient generation of early NPCs from hESCs. Using the optimized concentration of -TTNPB, we found that RARα is the functionally dominant subtype and controls the RA-mediated neurogenesis of hESCs. Importantly, we also found that the RARγ subtype also played a role in neuronal differentiation. In contrast, the RARβ subtype negatively correlates with neuronal differentiation. Therefore, pharmacological inhibition of RARβ in the TTNPB-mediated differentiation process could be used as a strategy to generate a large number of NPCs in vitro. In summary, our results show that RARα and RARγ play a vital role in the TTNPB-mediated neuronal differentiation of hESCs, -whereas RARβ acts as a negative regulator.
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Affiliation(s)
- Madhurima Das
- Symbiosis Centre for Stem Cell Research, Symbiosis International (Deemed University), Pune, 412115, India.
| | - Prasad Pethe
- Symbiosis Centre for Stem Cell Research, Symbiosis International (Deemed University), Pune, 412115, India.
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The Histone Modifications of Neuronal Plasticity. Neural Plast 2021; 2021:6690523. [PMID: 33628222 PMCID: PMC7892255 DOI: 10.1155/2021/6690523] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/21/2021] [Accepted: 01/30/2021] [Indexed: 12/19/2022] Open
Abstract
Nucleosomes composed of histone octamer and DNA are the basic structural unit in the eukaryote chromosome. Under the stimulation of various factors, histones will undergo posttranslational modifications such as methylation, phosphorylation, acetylation, and ubiquitination, which change the three-dimensional structure of chromosomes and affect gene expression. Therefore, the combination of different states of histone modifications modulates gene expression is called histone code. The formation of learning and memory is one of the most important mechanisms for animals to adapt to environmental changes. A large number of studies have shown that histone codes are involved in the formation and consolidation of learning and memory. Here, we review the most recent literature of histone modification in regulating neurogenesis, dendritic spine dynamic, synapse formation, and synaptic plasticity.
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