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Karalis T, Poulogiannis G. The Emerging Role of LPA as an Oncometabolite. Cells 2024; 13:629. [PMID: 38607068 PMCID: PMC11011573 DOI: 10.3390/cells13070629] [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: 02/15/2024] [Revised: 03/25/2024] [Accepted: 04/01/2024] [Indexed: 04/13/2024] Open
Abstract
Lysophosphatidic acid (LPA) is a phospholipid that displays potent signalling activities that are regulated in both an autocrine and paracrine manner. It can be found both extra- and intracellularly, where it interacts with different receptors to activate signalling pathways that regulate a plethora of cellular processes, including mitosis, proliferation and migration. LPA metabolism is complex, and its biosynthesis and catabolism are under tight control to ensure proper LPA levels in the body. In cancer patient specimens, LPA levels are frequently higher compared to those of healthy individuals and often correlate with poor responses and more aggressive disease. Accordingly, LPA, through promoting cancer cell migration and invasion, enhances the metastasis and dissemination of tumour cells. In this review, we summarise the role of LPA in the regulation of critical aspects of tumour biology and further discuss the available pre-clinical and clinical evidence regarding the feasibility and efficacy of targeting LPA metabolism for effective anticancer therapy.
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Affiliation(s)
| | - George Poulogiannis
- Signalling and Cancer Metabolism Laboratory, Division of Cancer Biology, The Institute of Cancer Research, 237 Fulham Road, London SW3 6JB, UK;
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Lee SS, Vũ TT, Weiss AS, Yeo GC. Stress-induced senescence in mesenchymal stem cells: Triggers, hallmarks, and current rejuvenation approaches. Eur J Cell Biol 2023; 102:151331. [PMID: 37311287 DOI: 10.1016/j.ejcb.2023.151331] [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: 01/30/2023] [Revised: 06/04/2023] [Accepted: 06/05/2023] [Indexed: 06/15/2023] Open
Abstract
Mesenchymal stem cells (MSCs) have emerged as promising cell-based therapies in the treatment of degenerative and inflammatory conditions. However, despite accumulating evidence of the breadth of MSC functional potency, their broad clinical translation is hampered by inconsistencies in therapeutic efficacy, which is at least partly due to the phenotypic and functional heterogeneity of MSC populations as they progress towards senescence in vitro. MSC senescence, a natural response to aging and stress, gives rise to altered cellular responses and functional decline. This review describes the key regenerative properties of MSCs; summarises the main triggers, mechanisms, and consequences of MSC senescence; and discusses current cellular and extracellular strategies to delay the onset or progression of senescence, or to rejuvenate biological functions lost to senescence.
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Affiliation(s)
- Sunny Shinchen Lee
- Charles Perkins Centre, The University of Sydney, NSW 2006, Australia; School of Life and Environmental Sciences, The University of Sydney, NSW 2006, Australia
| | - Thu Thuy Vũ
- Vinmec Research Institute of Stem Cell and Gene Technology, Vinmec Healthcare System, Hanoi, Viet Nam
| | - Anthony S Weiss
- Charles Perkins Centre, The University of Sydney, NSW 2006, Australia; School of Life and Environmental Sciences, The University of Sydney, NSW 2006, Australia; Sydney Nano Institute, The University of Sydney, NSW 2006, Australia
| | - Giselle C Yeo
- Charles Perkins Centre, The University of Sydney, NSW 2006, Australia; School of Life and Environmental Sciences, The University of Sydney, NSW 2006, Australia.
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Wu G, Liu Z, Mu C, Song D, Wang J, Meng X, Li Z, Qing H, Dong Y, Xie HY, Pang DW. Enhanced Proliferation of Visualizable Mesenchymal Stem Cell-Platelet Hybrid Cell for Versatile Intracerebral Hemorrhage Treatment. ACS NANO 2023; 17:7352-7365. [PMID: 37037487 DOI: 10.1021/acsnano.2c11329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
The intrinsic features and functions of platelets and mesenchymal stem cells (MSCs) indicate their great potential in the treatment of intracerebral hemorrhage (ICH). However, neither of them can completely overcome ICH because of the stealth process and the complex pathology of ICH. Here, we fabricate hybrid cells for versatile and highly efficient ICH therapy by fusing MSCs with platelets and loading with lysophosphatidic acid-modified PbS quantum dots (LPA-QDs). The obtained LPA-QDs@FCs (FCs = fusion cells) not only inherit the capabilities of both platelets and MSCs but also exhibit clearly enhanced proliferation activated by LPA. After systemic administration, many proliferating LPA-QDs@FCs rapidly accumulate in ICH areas for responding to the vascular damage and inflammation and then efficiently prevent both the primary and secondary injuries of ICH but with no obvious side effects. Moreover, the treatment process can be tracked by near-infrared II fluorescence imaging with highly spatiotemporal resolution, providing a promising solution for ICH therapy.
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Affiliation(s)
- Guanghao Wu
- School of Life Science, Beijing Institute of Technology, Beijing 100081, P. R. China
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China
| | - Zhenya Liu
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Frontiers Science Center for New Organic Matter, Research Center for Analytical Sciences, College of Chemistry, Frontiers Science Center for Cell Responses, Nankai University, Tianjin 300071, P. R. China
| | - Changwen Mu
- School of Life Science, Beijing Institute of Technology, Beijing 100081, P. R. China
| | - Da Song
- School of Life Science, Beijing Institute of Technology, Beijing 100081, P. R. China
| | - Jiaxin Wang
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing 100083, P. R. China
| | - Xiangxi Meng
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Nuclear Medicine, Peking University Cancer Hospital & Institute, Peking University, Beijing 100142, P. R. China
| | - Ziyuan Li
- Department of Biomedical Engineering, Peking University, Beijing 100871, P. R. China
| | - Hong Qing
- School of Life Science, Beijing Institute of Technology, Beijing 100081, P. R. China
| | - Yuping Dong
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China
| | - Hai-Yan Xie
- School of Life Science, Beijing Institute of Technology, Beijing 100081, P. R. China
| | - Dai-Wen Pang
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Frontiers Science Center for New Organic Matter, Research Center for Analytical Sciences, College of Chemistry, Frontiers Science Center for Cell Responses, Nankai University, Tianjin 300071, P. R. China
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García-Corzo L, Calatayud-Baselga I, Casares-Crespo L, Mora-Martínez C, Julián Escribano-Saiz J, Hortigüela R, Asenjo-Martínez A, Jordán-Pla A, Ercoli S, Flames N, López-Alonso V, Vilar M, Mira H. The transcription factor LEF1 interacts with NFIX and switches isoforms during adult hippocampal neural stem cell quiescence. Front Cell Dev Biol 2022; 10:912319. [PMID: 35938168 PMCID: PMC9355129 DOI: 10.3389/fcell.2022.912319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 06/27/2022] [Indexed: 11/25/2022] Open
Abstract
Stem cells in adult mammalian tissues are held in a reversible resting state, known as quiescence, for prolonged periods of time. Recent studies have greatly increased our understanding of the epigenetic and transcriptional landscapes that underlie stem cell quiescence. However, the transcription factor code that actively maintains the quiescence program remains poorly defined. Similarly, alternative splicing events affecting transcription factors in stem cell quiescence have been overlooked. Here we show that the transcription factor T-cell factor/lymphoid enhancer factor LEF1, a central player in canonical β-catenin-dependent Wnt signalling, undergoes alternative splicing and switches isoforms in quiescent neural stem cells. We found that active β-catenin and its partner LEF1 accumulated in quiescent hippocampal neural stem and progenitor cell (Q-NSPC) cultures. Accordingly, Q-NSPCs showed enhanced TCF/LEF1-driven transcription and a basal Wnt activity that conferred a functional advantage to the cultured cells in a Wnt-dependent assay. At a mechanistic level, we found a fine regulation of Lef1 gene expression. The coordinate upregulation of Lef1 transcription and retention of alternative spliced exon 6 (E6) led to the accumulation of a full-length protein isoform (LEF1-FL) that displayed increased stability in the quiescent state. Prospectively isolated GLAST + cells from the postnatal hippocampus also underwent E6 retention at the time quiescence is established in vivo. Interestingly, LEF1 motif was enriched in quiescence-associated enhancers of genes upregulated in Q-NSPCs and quiescence-related NFIX transcription factor motifs flanked the LEF1 binding sites. We further show that LEF1 interacts with NFIX and identify putative LEF1/NFIX targets. Together, our results uncover an unexpected role for LEF1 in gene regulation in quiescent NSPCs, and highlight alternative splicing as a post-transcriptional regulatory mechanism in the transition from stem cell activation to quiescence.
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Affiliation(s)
- Laura García-Corzo
- Instituto de Biomedicina de Valencia, Consejo Superior de Investigaciones Científicas (IBV-CSIC), València, Spain
| | - Isabel Calatayud-Baselga
- Instituto de Biomedicina de Valencia, Consejo Superior de Investigaciones Científicas (IBV-CSIC), València, Spain
| | - Lucía Casares-Crespo
- Instituto de Biomedicina de Valencia, Consejo Superior de Investigaciones Científicas (IBV-CSIC), València, Spain
| | - Carlos Mora-Martínez
- Instituto de Biomedicina de Valencia, Consejo Superior de Investigaciones Científicas (IBV-CSIC), València, Spain
- Evo-devo Helsinki Community, Centre of Excellence in Experimental and Computational Developmental Biology, Institute of Biotechnology, University of Helsinki, Helsinki, Finland
| | - Juan Julián Escribano-Saiz
- Instituto de Biomedicina de Valencia, Consejo Superior de Investigaciones Científicas (IBV-CSIC), València, Spain
| | | | | | - Antonio Jordán-Pla
- Instituto de Biomedicina de Valencia, Consejo Superior de Investigaciones Científicas (IBV-CSIC), València, Spain
| | - Stefano Ercoli
- Instituto de Biomedicina de Valencia, Consejo Superior de Investigaciones Científicas (IBV-CSIC), València, Spain
| | - Nuria Flames
- Instituto de Biomedicina de Valencia, Consejo Superior de Investigaciones Científicas (IBV-CSIC), València, Spain
| | | | - Marçal Vilar
- Instituto de Biomedicina de Valencia, Consejo Superior de Investigaciones Científicas (IBV-CSIC), València, Spain
| | - Helena Mira
- Instituto de Biomedicina de Valencia, Consejo Superior de Investigaciones Científicas (IBV-CSIC), València, Spain
- *Correspondence: Helena Mira,
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Yessentayeva SY, Orakbay LZ, Adilhanova A, Yessimov N. Approaches to the use of stem cells in regenerative medicine. Anal Biochem 2022; 645:114608. [PMID: 35202604 DOI: 10.1016/j.ab.2022.114608] [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: 12/17/2021] [Revised: 02/15/2022] [Accepted: 02/18/2022] [Indexed: 11/25/2022]
Abstract
PURPOSE The goal of regenerative medicine is to replace or restore missing, dysfunctional, or damaged cells, tissues and organs of a person to reproduce their normal function. The main approaches are cell therapy, tissue engineering, and gene therapy. Postnatal neural crest-derived multipotent stem cells (NC-MSC) are a promising cell type for use in regenerative medicine. This is due to the specific features of their embryonic origin and the role of the neural crest in phylogeny and ontogeny of vertebrates. METHODS The study used research in vitro culture (monolayer cell culture, 3D culture based on hydrogels, organotypic culture of hippocampal slices, spherogenesis, directed differentiation); flow cytometry; cytochemical, immune-cytochemical and histomorphometric analysis; molecular genetic (RNA (ribonucleic acid) isolation, PCR (polymerase chain reaction) with reverse transcription, real-time PCR, nucleic acid electrophoresis); microscopy (transmitted light, phase contrast, fluorescent, confocal laser scanning); microsurgical; statistical analysis. RESULTS In this systematic review, the results showed that recently the neural crest-derived cells have been isolated from a wide range of tissues and organs of mammals at the postnatal stage of development. These cells, at least in vitro, demonstrate the ability to self-repair and multilinear differentiation into neurons, Schwann cells, melanocytes, adipocytes, osteoblasts, chondrocytes, and other types of cells, that is, according to their functional characteristics, they are multipotent stem cells. CONCLUSION According to the obtained results, tissue sources of postnatal neural crest-derived multipotent stem cells differ considerably in the degree of invasiveness of biopsy sampling, as well as the possibility of obtaining a homogeneous population of NC-MSCs, which is important for further clinical use.
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Affiliation(s)
- Suriya Ye Yessentayeva
- Department of Oncology and Mammalogy, Kazakh-Russian Medical University, Almaty, Kazakhstan.
| | - Lyazat Zh Orakbay
- Department of Public Health, Kazakh-Russian Medical University, Almaty, Kazakhstan
| | - Azhar Adilhanova
- Department of Public Health, Kazakh-Russian Medical University, Almaty, Kazakhstan
| | - Nabi Yessimov
- Male Clinical Department, Republican Scientific and Practical Center of Mental Health, Almaty, Kazakhstan
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