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Huang J, Xue S, Xie YQ, Teixeira AP, Fussenegger M. Ultrashort-Peptide-Responsive Gene Switches for Regulation of Therapeutic Protein Expression in Mammalian Cells. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2309411. [PMID: 38741284 DOI: 10.1002/advs.202309411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 03/04/2024] [Indexed: 05/16/2024]
Abstract
Despite the array of mammalian transgene switches available for regulating therapeutic protein expression in response to small molecules or physical stimuli, issues remain, including cytotoxicity of chemical inducers and limited biocompatibility of physical cues. This study introduces gene switches driven by short peptides comprising eight or fewer amino acid residues. Utilizing a competence regulator (ComR) and sigma factor X-inducing peptide (XIP) from Streptococcus vestibularis as the receptor and inducer, respectively, this study develops two strategies for a peptide-activated transgene control system. The first strategy involves fusing ComR with a transactivation domain and utilizes ComR-dependent synthetic promoters to drive expression of the gene-of-interest, activated by XIP, thereby confirming its membrane penetrability and intracellular functionality. The second strategy features an orthogonal synthetic receptor exposing ComR extracellularly (ComREXTRA), greatly increasing sensitivity with exceptional responsiveness to short peptides. In a proof-of-concept study, peptides are administered to type-1 diabetic mice with microencapsulated engineered human cells expressing ComREXTRA for control of insulin expression, restoring normoglycemia. It is envisioned that this system will encourage the development of short peptide drugs and promote the introduction of non-toxic, orthogonal, and highly biocompatible personalized biopharmaceuticals for gene- and cell-based therapies.
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Affiliation(s)
- Jinbo Huang
- Department of Biosystems Science and Engineering, ETH Zurich, Klingelbergstrasse 48, Basel, CH-4056, Switzerland
| | - Shuai Xue
- Department of Biosystems Science and Engineering, ETH Zurich, Klingelbergstrasse 48, Basel, CH-4056, Switzerland
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou, Zhejiang, China
| | - Yu-Qing Xie
- Department of Biosystems Science and Engineering, ETH Zurich, Klingelbergstrasse 48, Basel, CH-4056, Switzerland
| | - Ana Palma Teixeira
- Department of Biosystems Science and Engineering, ETH Zurich, Klingelbergstrasse 48, Basel, CH-4056, Switzerland
| | - Martin Fussenegger
- Department of Biosystems Science and Engineering, ETH Zurich, Klingelbergstrasse 48, Basel, CH-4056, Switzerland
- Faculty of Science, University of Basel, Klingelbergstrasse 48, Basel, CH-4056, Switzerland
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2
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Ali D, Okla M, Abuelreich S, Vishnubalaji R, Ditzel N, Hamam R, Kowal JM, Sayed A, Aldahmash A, Alajez NM, Kassem M. Apigenin and Rutaecarpine reduce the burden of cellular senescence in bone marrow stromal stem cells. Front Endocrinol (Lausanne) 2024; 15:1360054. [PMID: 38638133 PMCID: PMC11024792 DOI: 10.3389/fendo.2024.1360054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 03/15/2024] [Indexed: 04/20/2024] Open
Abstract
Introduction Osteoporosis is a systemic age-related disease characterized by reduced bone mass and microstructure deterioration, leading to increased risk of bone fragility fractures. Osteoporosis is a worldwide major health care problem and there is a need for preventive approaches. Methods and results Apigenin and Rutaecarpine are plant-derived antioxidants identified through functional screen of a natural product library (143 compounds) as enhancers of osteoblastic differentiation of human bone marrow stromal stem cells (hBMSCs). Global gene expression profiling and Western blot analysis revealed activation of several intra-cellular signaling pathways including focal adhesion kinase (FAK) and TGFβ. Pharmacological inhibition of FAK using PF-573228 (5 μM) and TGFβ using SB505124 (1μM), diminished Apigenin- and Rutaecarpine-induced osteoblast differentiation. In vitro treatment with Apigenin and Rutaecarpine, of primary hBMSCs obtained from elderly female patients enhanced osteoblast differentiation compared with primary hBMSCs obtained from young female donors. Ex-vivo treatment with Apigenin and Rutaecarpine of organotypic embryonic chick-femur culture significantly increased bone volume and cortical thickness compared to control as estimated by μCT-scanning. Discussion Our data revealed that Apigenin and Rutaecarpine enhance osteoblastic differentiation, bone formation, and reduce the age-related effects of hBMSCs. Therefore, Apigenin and Rutaecarpine cellular treatment represent a potential strategy for maintaining hBMSCs health during aging and osteoporosis.
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Affiliation(s)
- Dalia Ali
- Department of Endocrinology and Metabolism, Molecular Endocrinology & Stem Cell Research Unit (KMEB), Odense University Hospital, University of Southern Denmark, Odense, Denmark
| | - Meshail Okla
- Department of Community Health Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
- Stem Cell Unit, Department of Anatomy, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Sarah Abuelreich
- Stem Cell Unit, Department of Anatomy, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | | | - Nicholas Ditzel
- Department of Endocrinology and Metabolism, Molecular Endocrinology & Stem Cell Research Unit (KMEB), Odense University Hospital, University of Southern Denmark, Odense, Denmark
| | - Rimi Hamam
- Stem Cell Unit, Department of Anatomy, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Justyna M. Kowal
- Department of Endocrinology and Metabolism, Molecular Endocrinology & Stem Cell Research Unit (KMEB), Odense University Hospital, University of Southern Denmark, Odense, Denmark
| | - Ahmed Sayed
- Department of Endocrinology and Metabolism, Molecular Endocrinology & Stem Cell Research Unit (KMEB), Odense University Hospital, University of Southern Denmark, Odense, Denmark
| | - Abdullah Aldahmash
- Department of Medical Basic Sciences, College of Medicine, Vision College, Riyadh, Saudi Arabia
| | - Nehad M. Alajez
- Stem Cell Unit, Department of Anatomy, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Moustapha Kassem
- Department of Endocrinology and Metabolism, Molecular Endocrinology & Stem Cell Research Unit (KMEB), Odense University Hospital, University of Southern Denmark, Odense, Denmark
- Institute for Cellular and Molecular Medicine (ICMM), Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
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Primak A, Kalinina N, Skryabina M, Usachev V, Chechekhin V, Vigovskiy M, Chechekhina E, Voloshin N, Kulebyakin K, Kulebyakina M, Grigorieva O, Tyurin-Kuzmin P, Basalova N, Efimenko A, Dzhauari S, Antropova Y, Plyushchii I, Akopyan Z, Sysoeva V, Tkachuk V, Karagyaur M. Novel Immortalized Human Multipotent Mesenchymal Stromal Cell Line for Studying Hormonal Signaling. Int J Mol Sci 2024; 25:2421. [PMID: 38397098 PMCID: PMC10889231 DOI: 10.3390/ijms25042421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/05/2024] [Accepted: 02/14/2024] [Indexed: 02/25/2024] Open
Abstract
Multipotent mesenchymal stromal cells (MSCs) integrate hormone and neuromediator signaling to coordinate tissue homeostasis, tissue renewal and regeneration. To facilitate the investigation of MSC biology, stable immortalized cell lines are created (e.g., commercially available ASC52telo). However, the ASC52telo cell line has an impaired adipogenic ability and a depressed response to hormones, including 5-HT, GABA, glutamate, noradrenaline, PTH and insulin compared to primary cells. This markedly reduces the potential of the ASC52telo cell line in studying the mechanisms of hormonal control of MSC's physiology. Here, we have established a novel immortalized culture of adipose tissue-derived MSCs via forced telomerase expression after lentiviral transduction. These immortalized cell cultures demonstrate high proliferative potential (up to 40 passages), delayed senescence, as well as preserved primary culture-like functional activity (sensitivity to hormones, ability to hormonal sensitization and differentiation) and immunophenotype up to 17-26 passages. Meanwhile, primary adipose tissue-derived MSCs usually irreversibly lose their properties by 8-10 passages. Observed characteristics of reported immortalized human MSC cultures make them a feasible model for studying molecular mechanisms, which regulate the functional activities of these cells, especially when primary cultures or commercially available cell lines are not appropriate.
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Affiliation(s)
- Alexandra Primak
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
| | - Natalia Kalinina
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
| | - Mariya Skryabina
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
| | - Vladimir Usachev
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
| | - Vadim Chechekhin
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
| | - Maksim Vigovskiy
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
| | - Elizaveta Chechekhina
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
| | - Nikita Voloshin
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
| | - Konstantin Kulebyakin
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 119234 Moscow, Russia
| | - Maria Kulebyakina
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 119234 Moscow, Russia
| | - Olga Grigorieva
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 119234 Moscow, Russia
| | - Pyotr Tyurin-Kuzmin
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
| | - Nataliya Basalova
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 119234 Moscow, Russia
| | - Anastasia Efimenko
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 119234 Moscow, Russia
| | - Stalik Dzhauari
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
| | - Yulia Antropova
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
| | - Ivan Plyushchii
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
| | - Zhanna Akopyan
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 119234 Moscow, Russia
| | - Veronika Sysoeva
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
| | - Vsevolod Tkachuk
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 119234 Moscow, Russia
| | - Maxim Karagyaur
- Faculty of Medicine, Lomonosov Moscow State University, 119234 Moscow, Russia (V.C.); (Z.A.)
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 119234 Moscow, Russia
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Bagger MM, Sjölund J, Kim J, Kohler KT, Villadsen R, Jafari A, Kassem M, Pietras K, Rønnov-Jessen L, Petersen OW. Evidence of steady-state fibroblast subtypes in the normal human breast as cells-of-origin for perturbed-state fibroblasts in breast cancer. Breast Cancer Res 2024; 26:11. [PMID: 38229104 PMCID: PMC10790388 DOI: 10.1186/s13058-024-01763-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 01/02/2024] [Indexed: 01/18/2024] Open
Abstract
BACKGROUND Human breast cancer most frequently originates within a well-defined anatomical structure referred to as the terminal duct lobular unit (TDLU). This structure is endowed with its very own lobular fibroblasts representing one out of two steady-state fibroblast subtypes-the other being interlobular fibroblasts. While cancer-associated fibroblasts (CAFs) are increasingly appreciated as covering a spectrum of perturbed states, we lack a coherent understanding of their relationship-if any-with the steady-state fibroblast subtypes. To address this, we here established two autologous CAF lines representing inflammatory CAFs (iCAFs) and myofibroblast CAFs (myCAFs) and compared them with already established interlobular- and lobular fibroblasts with respect to their origin and impact on tumor formation. METHODS Primary breast tumor-derived CAFs were transduced to express human telomerase reverse transcriptase (hTERT) and sorted into CD105low and CD105high populations using fluorescence-activated cell sorting (FACS). The two populations were tested for differentiation similarities to iCAF and myCAF states through transcriptome-wide RNA-Sequencing (RNA-Seq) including comparison to an available iCAF-myCAF cell state atlas. Inference of origin in interlobular and lobular fibroblasts relied on RNA-Seq profiles, immunocytochemistry and growth characteristics. Osteogenic differentiation and bone formation assays in culture and in vivo were employed to gauge for origin in bone marrow-derived mesenchymal stem cells (bMSCs). Functional characteristics were assessed with respect to contractility in culture and interaction with tumor cells in mouse xenografts. The cells' gene expression signatures were tested for association with clinical outcome of breast cancer patients using survival data from The Cancer Genome Atlas database. RESULTS We demonstrate that iCAFs have properties in common with interlobular fibroblasts while myCAFs and lobular fibroblasts are related. None of the CAFs qualify as bMSCs as revealed by lack of critical performance in bone formation assays. Functionally, myCAFs and lobular fibroblasts are almost equally tumor promoting as opposed to iCAFs and interlobular fibroblasts. A myCAF gene signature is found to associate with poor breast cancer-specific survival. CONCLUSIONS We propose that iCAFs and myCAFs originate in interlobular and lobular fibroblasts, respectively, and more importantly, that the tumor-promoting properties of lobular fibroblasts render the TDLU an epicenter for breast cancer evolution.
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Affiliation(s)
- Mikkel Morsing Bagger
- Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University Cancer Centre, Lund University, Lund, Sweden.
- Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen, Denmark.
| | - Jonas Sjölund
- Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University Cancer Centre, Lund University, Lund, Sweden
| | - Jiyoung Kim
- Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen, Denmark
| | | | - René Villadsen
- Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Abbas Jafari
- Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Moustapha Kassem
- Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen, Denmark
- Laboratory of Molecular Endocrinology, KMEB, Department of Endocrinology, Odense University Hospital and University of Southern Denmark, Odense, Denmark
| | - Kristian Pietras
- Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University Cancer Centre, Lund University, Lund, Sweden
| | - Lone Rønnov-Jessen
- Section for Cell Biology and Physiology, Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Ole William Petersen
- Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen, Denmark
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Zhang L, Guan Q, Wang Z, Feng J, Zou J, Gao B. Consequences of Aging on Bone. Aging Dis 2023:AD.2023.1115. [PMID: 38029404 DOI: 10.14336/ad.2023.1115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 11/16/2023] [Indexed: 12/01/2023] Open
Abstract
With the aging of the global population, the incidence of musculoskeletal diseases has been increasing, seriously affecting people's health. As people age, the microenvironment within skeleton favors bone resorption and inhibits bone formation, accompanied by bone marrow fat accumulation and multiple cellular senescence. Specifically, skeletal stem/stromal cells (SSCs) during aging tend to undergo adipogenesis rather than osteogenesis. Meanwhile, osteoblasts, as well as osteocytes, showed increased apoptosis, decreased quantity, and multiple functional limitations including impaired mechanical sensing, intercellular modulation, and exosome secretion. Also, the bone resorption function of macrophage-lineage cells (including osteoclasts and preosteoclasts) was significantly enhanced, as well as impaired vascularization and innervation. In this study, we systematically reviewed the effect of aging on bone and the within microenvironment (including skeletal cells as well as their intracellular structure variations, vascular structures, innervation, marrow fat distribution, and lymphatic system) caused by aging, and mechanisms of osteoimmune regulation of the bone environment in the aging state, and the causal relationship with multiple musculoskeletal diseases in addition with their potential therapeutic strategy.
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Affiliation(s)
- Lingli Zhang
- College of Athletic Performance, Shanghai University of Sport, Shanghai, China
| | - Qiao Guan
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Zhikun Wang
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Jie Feng
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Jun Zou
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Bo Gao
- Department of Orthopedic Surgery, Xijing Hospital, Air Force Medical University, Xi'an, China
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Lenz LS, Wink MR. The other side of the coin: mesenchymal stromal cell immortalization beyond evasion of senescence. Hum Cell 2023; 36:1593-1603. [PMID: 37341871 DOI: 10.1007/s13577-023-00925-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 05/23/2023] [Indexed: 06/22/2023]
Abstract
Mesenchymal stromal cells (MSC) are promising options to cellular therapy to several clinical disorders, mainly because of its ability to immunomodulate and differentiate into different cell types. Even though MSC can be isolated from different sources, a major challenge to understanding the biological effects is that the primary cells undergo replicative senescence after a limited number of cell divisions in culture, requiring time-consuming and technically challenging approaches to get a sufficient cell number for clinical applications. Therefore, a new isolation, characterization, and expansion is necessary every time, which increases the variability and is time-consuming. Immortalization is a strategy that can overcome these challenges. Therefore, here, we review the different methodologies available to cellular immortalization, and discuss the literature regarding MSC immortalization and the broader biological consequences that extend beyond the mere increase in proliferation potential.
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Affiliation(s)
- Luana Suéling Lenz
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, 90050-170, Brazil
| | - Márcia Rosângela Wink
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, 90050-170, Brazil.
- Departamento de Ciências Básicas da Saúde (DCBS), Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, 90050-170, Brazil.
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Potalitsyn P, Mrázková L, Selicharová I, Tencerová M, Ferenčáková M, Chrudinová M, Turnovská T, Brzozowski AM, Marek A, Kaminský J, Jiráček J, Žáková L. Non-glycosylated IGF2 prohormones are more mitogenic than native IGF2. Commun Biol 2023; 6:863. [PMID: 37598269 PMCID: PMC10439913 DOI: 10.1038/s42003-023-05239-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 08/10/2023] [Indexed: 08/21/2023] Open
Abstract
Insulin-like Growth Factor-2 (IGF2) is important for the regulation of human embryonic growth and development, and for adults' physiology. Incorrect processing of the IGF2 precursor, pro-IGF2(156), leads to the formation of two IGF2 proforms, big-IGF2(87) and big-IGF2(104). Unprocessed and mainly non-glycosylated IGF2 proforms are found at abnormally high levels in certain diseases, but their mode of action is still unclear. Here, we found that pro-IGF2(156) has the lowest ability to form its inactivating complexes with IGF-Binding Proteins and has higher proliferative properties in cells than IGF2 and other IGF prohormones. We also showed that big-IGF2(104) has a seven-fold higher binding affinity for the IGF2 receptor than IGF2, and that pro-IGF2(87) binds and activates specific receptors and stimulates cell growth similarly to the mature IGF2. The properties of these pro-IGF2 forms, especially of pro-IGF2(156) and big-IGF2(104), indicate them as hormones that may be associated with human diseases related to the accumulation of IGF-2 proforms in the circulation.
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Affiliation(s)
- Pavlo Potalitsyn
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 116 10, Prague 6, Czech Republic
- Department of Biochemistry, Faculty of Science, Charles University, 12800, Prague 2, Czech Republic
| | - Lucie Mrázková
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 116 10, Prague 6, Czech Republic
- Department of Cell Biology, Faculty of Science, Charles University, 12800, Prague 2, Czech Republic
| | - Irena Selicharová
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 116 10, Prague 6, Czech Republic
| | - Michaela Tencerová
- Institute of Physiology, Czech Academy of Sciences, Vídeňská 1083, Prague 4, Czech Republic
| | - Michaela Ferenčáková
- Institute of Physiology, Czech Academy of Sciences, Vídeňská 1083, Prague 4, Czech Republic
| | - Martina Chrudinová
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 116 10, Prague 6, Czech Republic
| | - Tereza Turnovská
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 116 10, Prague 6, Czech Republic
| | - Andrzej Marek Brzozowski
- York Structural Biology Laboratory, Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK
| | - Aleš Marek
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 116 10, Prague 6, Czech Republic
| | - Jakub Kaminský
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 116 10, Prague 6, Czech Republic
| | - Jiří Jiráček
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 116 10, Prague 6, Czech Republic.
| | - Lenka Žáková
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 116 10, Prague 6, Czech Republic.
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Voloshin N, Tyurin-Kuzmin P, Karagyaur M, Akopyan Z, Kulebyakin K. Practical Use of Immortalized Cells in Medicine: Current Advances and Future Perspectives. Int J Mol Sci 2023; 24:12716. [PMID: 37628897 PMCID: PMC10454025 DOI: 10.3390/ijms241612716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/23/2023] [Accepted: 08/09/2023] [Indexed: 08/27/2023] Open
Abstract
In modern science, immortalized cells are not only a convenient tool in fundamental research, but they are also increasingly used in practical medicine. This happens due to their advantages compared to the primary cells, such as the possibility to produce larger amounts of cells and to use them for longer periods of time, the convenience of genetic modification, the absence of donor-to-donor variability when comparing the results of different experiments, etc. On the other hand, immortalization comes with drawbacks: possibilities of malignant transformation and/or major phenotype change due to genetic modification itself or upon long-term cultivation appear. At first glance, such issues are huge hurdles in the way of immortalized cells translation into medicine. However, there are certain ways to overcome such barriers that we describe in this review. We determined four major areas of usage of immortalized cells for practical medicinal purposes, and each has its own means to negate the drawbacks associated with immortalization. Moreover, here we describe specific fields of application of immortalized cells in which these problems are of much lesser concern, for example, in some cases where the possibility of malignant growth is not there at all. In general, we can conclude that immortalized cells have their niches in certain areas of practical medicine where they can successfully compete with other therapeutic approaches, and more preclinical and clinical trials with them should be expected.
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Affiliation(s)
- Nikita Voloshin
- Faculty of Medicine, Lomonosov Moscow State University, 119991 Moscow, Russia; (N.V.); (P.T.-K.); (M.K.)
| | - Pyotr Tyurin-Kuzmin
- Faculty of Medicine, Lomonosov Moscow State University, 119991 Moscow, Russia; (N.V.); (P.T.-K.); (M.K.)
| | - Maxim Karagyaur
- Faculty of Medicine, Lomonosov Moscow State University, 119991 Moscow, Russia; (N.V.); (P.T.-K.); (M.K.)
| | - Zhanna Akopyan
- Medical Research and Education Center, Lomonosov Moscow State University, 119234 Moscow, Russia;
| | - Konstantin Kulebyakin
- Faculty of Medicine, Lomonosov Moscow State University, 119991 Moscow, Russia; (N.V.); (P.T.-K.); (M.K.)
- Medical Research and Education Center, Lomonosov Moscow State University, 119234 Moscow, Russia;
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Shegekar T, Vodithala S, Juganavar A. The Emerging Role of Liquid Biopsies in Revolutionising Cancer Diagnosis and Therapy. Cureus 2023; 15:e43650. [PMID: 37719630 PMCID: PMC10505053 DOI: 10.7759/cureus.43650] [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: 08/07/2023] [Accepted: 08/17/2023] [Indexed: 09/19/2023] Open
Abstract
A potential non-invasive technique for identifying and tracking cancer is a liquid biopsy. This review article provides a comprehensive overview of the principles, applications, and challenges associated with liquid biopsies. The circulating tumour DNA (ctDNA), circulating tumour cells (CTCs), exosomes, and microRNAs are just a few of the biomarkers we cover in this article that are discovered in liquid biopsies. The clinical application of liquid biopsies in many stages of cancer management, including early cancer identification, therapy selection and response monitoring, and minimum residual illness, is also investigated. The technical advancements in liquid biopsy techniques, including digital polymerase chain reaction (dPCR) and next-generation sequencing (NGS), have improved the sensitivity and specificity of biomarker identification. Liquid biopsies require assistance with cost-effectiveness, sensitivity, and standardisation despite the potential benefits. We talk about these restrictions and potential solutions. In conclusion, liquid biopsies revolutionise personalised therapies and cancer diagnostics by providing a real-time, non-invasive tool for characterising and monitoring tumours. It will be possible to expand the use of liquid biopsies in clinical practises by having a better understanding of their current state and predicted future developments.
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Affiliation(s)
- Tejas Shegekar
- Department of Medicine, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Sahitya Vodithala
- Department of Pathology and Laboratory Medicine, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Anup Juganavar
- Department of Medicine, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
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10
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Huang J, Xue S, Buchmann P, Teixeira AP, Fussenegger M. An electrogenetic interface to program mammalian gene expression by direct current. Nat Metab 2023; 5:1395-1407. [PMID: 37524785 PMCID: PMC10447240 DOI: 10.1038/s42255-023-00850-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 06/23/2023] [Indexed: 08/02/2023]
Abstract
Wearable electronic devices are playing a rapidly expanding role in the acquisition of individuals' health data for personalized medical interventions; however, wearables cannot yet directly program gene-based therapies because of the lack of a direct electrogenetic interface. Here we provide the missing link by developing an electrogenetic interface that we call direct current (DC)-actuated regulation technology (DART), which enables electrode-mediated, time- and voltage-dependent transgene expression in human cells using DC from batteries. DART utilizes a DC supply to generate non-toxic levels of reactive oxygen species that act via a biosensor to reversibly fine-tune synthetic promoters. In a proof-of-concept study in a type 1 diabetic male mouse model, a once-daily transdermal stimulation of subcutaneously implanted microencapsulated engineered human cells by energized acupuncture needles (4.5 V DC for 10 s) stimulated insulin release and restored normoglycemia. We believe this technology will enable wearable electronic devices to directly program metabolic interventions.
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Affiliation(s)
- Jinbo Huang
- Department of Biosystems Science and Engineering, ETH Zurich, Basel, Switzerland
| | - Shuai Xue
- Department of Biosystems Science and Engineering, ETH Zurich, Basel, Switzerland
| | - Peter Buchmann
- Department of Biosystems Science and Engineering, ETH Zurich, Basel, Switzerland
| | - Ana Palma Teixeira
- Department of Biosystems Science and Engineering, ETH Zurich, Basel, Switzerland
| | - Martin Fussenegger
- Department of Biosystems Science and Engineering, ETH Zurich, Basel, Switzerland.
- Faculty of Science, University of Basel, Basel, Switzerland.
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11
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Park CS, Yoshihara H, Gao Q, Qu C, Iacobucci I, Ghate PS, Connelly JP, Pruett-Miller SM, Wagner B, Robinson CG, Mishra A, Peng J, Yang L, Rankovic Z, Finkelstein D, Luger S, Litzow M, Paietta EM, Hebbar N, Velasquez MP, Mullighan CG. Stromal-induced epithelial-mesenchymal transition induces targetable drug resistance in acute lymphoblastic leukemia. Cell Rep 2023; 42:112804. [PMID: 37453060 PMCID: PMC10529385 DOI: 10.1016/j.celrep.2023.112804] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 04/05/2023] [Accepted: 06/28/2023] [Indexed: 07/18/2023] Open
Abstract
The bone marrow microenvironment (BME) drives drug resistance in acute lymphoblastic leukemia (ALL) through leukemic cell interactions with bone marrow (BM) niches, but the underlying mechanisms remain unclear. Here, we show that the interaction between ALL and mesenchymal stem cells (MSCs) through integrin β1 induces an epithelial-mesenchymal transition (EMT)-like program in MSC-adherent ALL cells, resulting in drug resistance and enhanced survival. Moreover, single-cell RNA sequencing analysis of ALL-MSC co-culture identifies a hybrid cluster of MSC-adherent ALL cells expressing both B-ALL and MSC signature genes, orchestrated by a WNT/β-catenin-mediated EMT-like program. Blockade of interaction between β-catenin and CREB binding protein impairs the survival and drug resistance of MSC-adherent ALL cells in vitro and results in a reduction in leukemic burden in vivo. Targeting of this WNT/β-catenin-mediated EMT-like program is a potential therapeutic approach to overcome cell extrinsically acquired drug resistance in ALL.
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Affiliation(s)
- Chun Shik Park
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Hiroki Yoshihara
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Qingsong Gao
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Chunxu Qu
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Ilaria Iacobucci
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Pankaj S Ghate
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Jon P Connelly
- Center for Advanced Genome Engineering, St. Jude Children's Research Hospital, Memphis, TN 38105, USA; Department of Cell and Molecular Biology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Shondra M Pruett-Miller
- Center for Advanced Genome Engineering, St. Jude Children's Research Hospital, Memphis, TN 38105, USA; Department of Cell and Molecular Biology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Ben Wagner
- Cell and Tissue Imaging Center, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Camenzind G Robinson
- Cell and Tissue Imaging Center, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Ashutosh Mishra
- Center for Proteomics and Metabolomics, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Junmin Peng
- Center for Proteomics and Metabolomics, St. Jude Children's Research Hospital, Memphis, TN 38105, USA; Department of Structural Biology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA; Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Lei Yang
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Zoran Rankovic
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - David Finkelstein
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Selina Luger
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA 19106, USA
| | - Mark Litzow
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | | | - Nikhil Hebbar
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - M Paulina Velasquez
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Charles G Mullighan
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.
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12
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Sternstein C, Böhm TM, Fink J, Meyr J, Lüdemann M, Krug M, Kriukov K, Gurdap CO, Sezgin E, Ebert R, Seibel J. Development of an Effective Functional Lipid Anchor for Membranes (FLAME) for the Bioorthogonal Modification of the Lipid Bilayer of Mesenchymal Stromal Cells. Bioconjug Chem 2023; 34:1221-1233. [PMID: 37328799 DOI: 10.1021/acs.bioconjchem.3c00091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The glycosylation of cellular membranes is crucial for the survival and communication of cells. As our target is the engineering of the glycocalyx, we designed a functionalized lipid anchor for the introduction into cellular membranes called Functional Lipid Anchor for MEmbranes (FLAME). Since cholesterol incorporates very effectively into membranes, we developed a twice cholesterol-substituted anchor in a total synthesis by applying protecting group chemistry. We labeled the compound with a fluorescent dye, which allows cell visualization. FLAME was successfully incorporated in the membranes of living human mesenchymal stromal cells (hMSC), acting as a temporary, nontoxic marker. The availability of an azido function─a bioorthogonal reacting group within the compound─enables the convenient coupling of alkyne-functionalized molecules, such as fluorophores or saccharides. After the incorporation of FLAME into the plasma membrane of living hMSC, we were able to successfully couple our molecule with an alkyne-tagged fluorophore via click reaction. This suggests that FLAME is useful for the modification of the membrane surface. Coupling FLAME with a galactosamine derivative yielded FLAME-GalNAc, which was incorporated into U2OS cells as well as in giant unilamellar vesicles (GUVs) and cell-derived giant plasma membrane vesicles (GPMVs). With this, we have shown that FLAME-GalNAc is a useful tool for studying the partitioning in the liquid-ordered (Lo) and the liquid-disordered (Ld) phases. The molecular tool can also be used to analyze the diffusion behavior in the model and the cell membranes by fluorescence correlation spectroscopy (FCS).
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Affiliation(s)
- Christine Sternstein
- Institute of Organic Chemistry, University of Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Theresa-Maria Böhm
- Department of Musculoskeletal Tissue Regeneration, Orthopedic Clinic König-Ludwig Haus, University of Würzburg, Friedrich-Bergius-Ring 15, 97076 Würzburg, Germany
| | - Julian Fink
- Institute of Organic Chemistry, University of Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Jessica Meyr
- Institute of Organic Chemistry, University of Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Martin Lüdemann
- Department of Orthopaedic Surgery, König-Ludwig-Haus, University of Würzburg, Brettreichstr. 11, 97074 Würzburg, Germany
| | - Melanie Krug
- Department of Musculoskeletal Tissue Regeneration, Orthopedic Clinic König-Ludwig Haus, University of Würzburg, Friedrich-Bergius-Ring 15, 97076 Würzburg, Germany
| | - Kirill Kriukov
- Department of Musculoskeletal Tissue Regeneration, Orthopedic Clinic König-Ludwig Haus, University of Würzburg, Friedrich-Bergius-Ring 15, 97076 Würzburg, Germany
| | - Cenk O Gurdap
- Science for Life Laboratory, Department of Women's and Children's Health, Karolinska Institutet, 17165 Solna, Sweden
| | - Erdinc Sezgin
- Science for Life Laboratory, Department of Women's and Children's Health, Karolinska Institutet, 17165 Solna, Sweden
| | - Regina Ebert
- Department of Musculoskeletal Tissue Regeneration, Orthopedic Clinic König-Ludwig Haus, University of Würzburg, Friedrich-Bergius-Ring 15, 97076 Würzburg, Germany
| | - Jürgen Seibel
- Institute of Organic Chemistry, University of Würzburg, Am Hubland, 97074 Würzburg, Germany
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13
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Tang X, Xu R, Wang Y, Chen K, Cui S. TERC haploid cell reprogramming: a novel therapeutic strategy for aplastic anemia. Mol Med 2023; 29:94. [PMID: 37424004 DOI: 10.1186/s10020-023-00691-w] [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: 03/21/2023] [Accepted: 06/22/2023] [Indexed: 07/11/2023] Open
Abstract
The telomerase RNA component (TERC) gene plays an important role in telomerase-dependent extension and maintenance of the telomeres. In the event of TERC haploinsufficiency, telomere length is often affected; this, in turn, can result in the development of progeria-related diseases such as aplastic anemia (AA) and congenital keratosis. Cell reprogramming can reverse the differentiation process and can, therefore, transform cells into pluripotent stem cells with stronger differentiation and self-renewal abilities; further, cell reprograming can also extend the telomere length of these cells, which may be crucial in the diagnosis and treatment of telomere depletion diseases such as AA. In this study, we summarized the effects of TERC haploid cell reprogramming on telomere length and the correlation between this alteration and the pathogenesis of AA; by investigating the role of cell reprogramming in AA, we aimed to identify novel diagnostic indicators and therapeutic strategies for patients with AA.
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Affiliation(s)
- Xinyu Tang
- Shandong University of Traditional Chinese Medicine, Jinan, 250014, China
| | - Ruirong Xu
- Department of Hematology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250014, China.
- Institute of Hematology, Shandong University of Traditional Chinese Medicine, Jinan, 250014, China.
- Shandong Provincial Health Commission Key Laboratory of Hematology of Integrated Traditional Chinese and Western Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250014, China.
| | - Yan Wang
- Department of Hematology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250014, China.
- Institute of Hematology, Shandong University of Traditional Chinese Medicine, Jinan, 250014, China.
- Shandong Provincial Health Commission Key Laboratory of Hematology of Integrated Traditional Chinese and Western Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250014, China.
| | - Kaiqing Chen
- Shandong University of Traditional Chinese Medicine, Jinan, 250014, China
| | - Siyuan Cui
- Department of Hematology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250014, China
- Institute of Hematology, Shandong University of Traditional Chinese Medicine, Jinan, 250014, China
- Shandong Provincial Health Commission Key Laboratory of Hematology of Integrated Traditional Chinese and Western Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250014, China
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14
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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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15
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AlMuraikhi N, Binhamdan S, Alaskar H, Alotaibi A, Tareen S, Muthurangan M, Alfayez M. Inhibition of GSK-3β Enhances Osteoblast Differentiation of Human Mesenchymal Stem Cells through Wnt Signalling Overexpressing Runx2. Int J Mol Sci 2023; 24:ijms24087164. [PMID: 37108323 PMCID: PMC10139012 DOI: 10.3390/ijms24087164] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 04/02/2023] [Accepted: 04/04/2023] [Indexed: 04/29/2023] Open
Abstract
Small-molecule-inhibitor-based bone differentiation has been recently exploited as a novel approach to regulating osteogenesis-related signaling pathways. In this study, we identified 1-Azakenpaullone, a highly selective inhibitor of glycogen synthase kinase-3β (GSK-3β), as a powerful inducer of osteoblastic differentiation and mineralization of human mesenchymal stem cells (MSCs). GSK-3β is a serine-threonine protein kinase that plays a major role in different disease development. GSK-3β is a key regulator of Runx2 activity in osteoblastic formation. We evaluated alkaline phosphatase activity and staining assays to assess osteoblast differentiation and Alizarin Red staining to assess the mineralization of cultured human MSCs. Gene expression profiling was assessed using an Agilent microarray platform, and bioinformatics were performed using Ingenuity Pathway Analysis software. Human MSCs treated with 1-Azakenpaullone showed higher ALP activity, increased in vitro mineralized matrix formation, and the upregulation of osteoblast-specific marker gene expression. Global gene expression profiling of 1-Azakenpaullone-treated human MSCs identified 1750 upregulated and 2171 downregulated mRNA transcripts compared to control cells. It also suggested possible changes in various signaling pathways, including Wnt, TGFβ, and Hedgehog. Further bioinformatics analysis employing Ingenuity Pathway Analysis recognized significant enrichment in the 1-Azakenpaullone-treated cells of genetic networks involved in CAMP, PI3K (Complex), P38 MAPK, and HIF1A signaling and functional categories associated with connective tissue development. Our results suggest that 1-Azakenpaullone significantly induced the osteoblastic differentiation and mineralization of human MSCs mediated by the activation of Wnt signaling and the nuclear accumulation of β-catenin, leading to the upregulation of Runx2, a key transcription factor that ultimately promotes the expression of osteoblast-specific genes. Thus, 1-Azakenpaullone could be used as an osteo-promotor factor in bone tissue engineering.
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Affiliation(s)
- Nihal AlMuraikhi
- Stem Cell Unit, Department of Anatomy, College of Medicine, King Saud University, Riyadh 11461, Saudi Arabia
| | - Sarah Binhamdan
- Stem Cell Unit, Department of Anatomy, College of Medicine, King Saud University, Riyadh 11461, Saudi Arabia
| | - Hanouf Alaskar
- Stem Cell Unit, Department of Anatomy, College of Medicine, King Saud University, Riyadh 11461, Saudi Arabia
| | - Amal Alotaibi
- Stem Cell Unit, Department of Anatomy, College of Medicine, King Saud University, Riyadh 11461, Saudi Arabia
| | - Sumaiya Tareen
- Stem Cell Unit, Department of Anatomy, College of Medicine, King Saud University, Riyadh 11461, Saudi Arabia
| | - Manikandan Muthurangan
- Stem Cell Unit, Department of Anatomy, College of Medicine, King Saud University, Riyadh 11461, Saudi Arabia
| | - Musaad Alfayez
- Stem Cell Unit, Department of Anatomy, College of Medicine, King Saud University, Riyadh 11461, Saudi Arabia
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16
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Chen L, Shi K, Ditzel N, Qiu W, Figeac F, Nielsen LHD, Tencerova M, Kowal JM, Ding M, Andreasen CM, Andersen TL, Kassem M. KIAA1199 deficiency enhances skeletal stem cell differentiation to osteoblasts and promotes bone regeneration. Nat Commun 2023; 14:2016. [PMID: 37037828 PMCID: PMC10086002 DOI: 10.1038/s41467-023-37651-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 03/14/2023] [Indexed: 04/12/2023] Open
Abstract
Upon transplantation, skeletal stem cells (also known as bone marrow stromal or mesenchymal stem cells) can regulate bone regeneration by producing secreted factors. Here, we identify KIAA1199 as a bone marrow stromal cell-secreted factor in vitro and in vivo. KIAA1199 plasma levels of patients positively correlate with osteoporotic fracture risk and expression levels of KIAA1199 in patient bone marrow stromal cells negatively correlates with their osteogenic differentiation potential. KIAA1199-deficient bone marrow stromal cells exhibit enhanced osteoblast differentiation in vitro and ectopic bone formation in vivo. Consistently, KIAA1199 knockout mice display increased bone mass and biomechanical strength, as well as an increased bone formation rate. They also exhibit accelerated healing of surgically generated bone defects and are protected from ovariectomy-induced bone loss. Mechanistically, KIAA1199 regulates osteogenesis by inhibiting the production of osteopontin by osteoblasts, via integrin-mediated AKT and ERK-MAPK intracellular signaling. Thus, KIAA1199 is a regulator of osteoblast differentiation and bone regeneration and could be targeted for the treatment or management of low bone mass conditions.
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Affiliation(s)
- Li Chen
- Department of Endocrinology and Metabolism, Endocrine Research Laboratory (KMEB), Odense University Hospital & University of Southern Denmark, Odense, Denmark.
- Dept. of Pathology and Physiopathology, Guangxi Key Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin, Guangxi, China.
| | - Kaikai Shi
- Department of Endocrinology and Metabolism, Endocrine Research Laboratory (KMEB), Odense University Hospital & University of Southern Denmark, Odense, Denmark
| | - Nicholas Ditzel
- Department of Endocrinology and Metabolism, Endocrine Research Laboratory (KMEB), Odense University Hospital & University of Southern Denmark, Odense, Denmark
| | - Weimin Qiu
- Department of Endocrinology and Metabolism, Endocrine Research Laboratory (KMEB), Odense University Hospital & University of Southern Denmark, Odense, Denmark
| | - Florence Figeac
- Department of Endocrinology and Metabolism, Endocrine Research Laboratory (KMEB), Odense University Hospital & University of Southern Denmark, Odense, Denmark
| | - Louise Himmelstrup Dreyer Nielsen
- Department of Endocrinology and Metabolism, Endocrine Research Laboratory (KMEB), Odense University Hospital & University of Southern Denmark, Odense, Denmark
| | - Michaela Tencerova
- Department of Endocrinology and Metabolism, Endocrine Research Laboratory (KMEB), Odense University Hospital & University of Southern Denmark, Odense, Denmark
| | - Justyna Magdalena Kowal
- Department of Endocrinology and Metabolism, Endocrine Research Laboratory (KMEB), Odense University Hospital & University of Southern Denmark, Odense, Denmark
| | - Ming Ding
- Department of Orthopaedic Surgery and Traumatology, Odense University Hospital & University of Southern Denmark, Odense, Denmark
| | | | | | - Moustapha Kassem
- Department of Endocrinology and Metabolism, Endocrine Research Laboratory (KMEB), Odense University Hospital & University of Southern Denmark, Odense, Denmark.
- Department of Cellular and Molecular Medicine (ICMM), Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark.
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17
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Bertschi A, Stefanov BA, Xue S, Charpin-El Hamri G, Teixeira AP, Fussenegger M. Controlling therapeutic protein expression via inhalation of a butter flavor molecule. Nucleic Acids Res 2023; 51:e28. [PMID: 36625292 PMCID: PMC10018347 DOI: 10.1093/nar/gkac1256] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 11/29/2022] [Accepted: 12/20/2022] [Indexed: 01/11/2023] Open
Abstract
Precise control of the delivery of therapeutic proteins is critical for gene- and cell-based therapies, and expression should only be switched on in the presence of a specific trigger signal of appropriate magnitude. Focusing on the advantages of delivering the trigger by inhalation, we have developed a mammalian synthetic gene switch that enables regulation of transgene expression by exposure to the semi-volatile small molecule acetoin, a widely used, FDA-approved food flavor additive. The gene switch capitalizes on the bacterial regulatory protein AcoR fused to a mammalian transactivation domain, which binds to promoter regions with specific DNA sequences in the presence of acetoin and dose-dependently activates expression of downstream transgenes. Wild-type mice implanted with alginate-encapsulated cells transgenic for the acetoin gene switch showed a dose-dependent increase in blood levels of reporter protein in response to either administration of acetoin solution via oral gavage or longer exposure to acetoin aerosol generated by a commercial portable inhaler. Intake of typical acetoin-containing foods, such as butter, lychees and cheese, did not activate transgene expression. As a proof of concept, we show that blood glucose levels were normalized by acetoin aerosol inhalation in type-I diabetic mice implanted with acetoin-responsive insulin-producing cells. Delivery of trigger molecules using portable inhalers may facilitate regular administration of therapeutic proteins via next-generation cell-based therapies to treat chronic diseases for which frequent dosing is required.
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Affiliation(s)
- Adrian Bertschi
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, CH-4058 Basel, Switzerland
| | - Bozhidar-Adrian Stefanov
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, CH-4058 Basel, Switzerland
| | - Shuai Xue
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, CH-4058 Basel, Switzerland
| | - Ghislaine Charpin-El Hamri
- Département Génie Biologique, Institut Universitaire de Technologie, Université Claude Bernard, Lyon 1 Villeurbanne Cedex F-69622, France
| | - Ana Palma Teixeira
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, CH-4058 Basel, Switzerland
| | - Martin Fussenegger
- To whom correspondence should be addressed. Tel: +41 61 387 31 60; Fax: +41 61 387 39 88;
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18
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Pignolo RJ. Aging and Bone Metabolism. Compr Physiol 2023; 13:4355-4386. [PMID: 36715278 DOI: 10.1002/cphy.c220012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Changes in bone architecture and metabolism with aging increase the likelihood of osteoporosis and fracture. Age-onset osteoporosis is multifactorial, with contributory extrinsic and intrinsic factors including certain medical problems, specific prescription drugs, estrogen loss, secondary hyperparathyroidism, microenvironmental and cellular alterations in bone tissue, and mechanical unloading or immobilization. At the histological level, there are changes in trabecular and cortical bone as well as marrow cellularity, lineage switching of mesenchymal stem cells to an adipogenic fate, inadequate transduction of signals during skeletal loading, and predisposition toward senescent cell accumulation with production of a senescence-associated secretory phenotype. Cumulatively, these changes result in bone remodeling abnormalities that over time cause net bone loss typically seen in older adults. Age-related osteoporosis is a geriatric syndrome due to the multiple etiologies that converge upon the skeleton to produce the ultimate phenotypic changes that manifest as bone fragility. Bone tissue is dynamic but with tendencies toward poor osteoblastic bone formation and relative osteoclastic bone resorption with aging. Interactions with other aging physiologic systems, such as muscle, may also confer detrimental effects on the aging skeleton. Conversely, individuals who maintain their BMD experience a lower risk of fractures, disability, and mortality, suggesting that this phenotype may be a marker of successful aging. © 2023 American Physiological Society. Compr Physiol 13:4355-4386, 2023.
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Affiliation(s)
- Robert J Pignolo
- Department of Medicine, Divisions of Geriatric Medicine and Gerontology, Endocrinology, and Hospital Internal Medicine, Mayo Clinic, Rochester, Minnesota, USA.,The Department of Physiology and Biomedical Engineering, and the Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
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19
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de Bardet JC, Cardentey CR, González BL, Patrone D, Mulet IL, Siniscalco D, Robinson-Agramonte MDLA. Cell Immortalization: In Vivo Molecular Bases and In Vitro Techniques for Obtention. BIOTECH 2023; 12:biotech12010014. [PMID: 36810441 PMCID: PMC9944833 DOI: 10.3390/biotech12010014] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/25/2023] [Accepted: 01/26/2023] [Indexed: 01/31/2023] Open
Abstract
Somatic human cells can divide a finite number of times, a phenomenon known as the Hayflick limit. It is based on the progressive erosion of the telomeric ends each time the cell completes a replicative cycle. Given this problem, researchers need cell lines that do not enter the senescence phase after a certain number of divisions. In this way, more lasting studies can be carried out over time and avoid the tedious work involved in performing cell passes to fresh media. However, some cells have a high replicative potential, such as embryonic stem cells and cancer cells. To accomplish this, these cells express the enzyme telomerase or activate the mechanisms of alternative telomere elongation, which favors the maintenance of the length of their stable telomeres. Researchers have been able to develop cell immortalization technology by studying the cellular and molecular bases of both mechanisms and the genes involved in the control of the cell cycle. Through it, cells with infinite replicative capacity are obtained. To obtain them, viral oncogenes/oncoproteins, myc genes, ectopic expression of telomerase, and the manipulation of genes that regulate the cell cycle, such as p53 and Rb, have been used.
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Affiliation(s)
- Javier Curi de Bardet
- Department of Neurobiology, International Center for Neurological Restoration, Havana 11300, Cuba
| | | | - Belkis López González
- Department of Allergy, Calixto Garcia General University Hospital, Havana 10400, Cuba
| | - Deanira Patrone
- Department of Experimental Medicine, Division of Molecular Biology, Biotechnology and Histology, University of Campania, 80138 Naples, Italy
| | | | - Dario Siniscalco
- Department of Experimental Medicine, Division of Molecular Biology, Biotechnology and Histology, University of Campania, 80138 Naples, Italy
- Correspondence:
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20
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Katahira Y, Murakami F, Inoue S, Miyakawa S, Sakamoto E, Furusaka Y, Watanabe A, Sekine A, Kuroda M, Hasegawa H, Mizoguchi I, Yoshimoto T. Protective effects of conditioned media of immortalized stem cells from human exfoliated deciduous teeth on pressure ulcer formation. Front Immunol 2023; 13:1010700. [PMID: 36713359 PMCID: PMC9881429 DOI: 10.3389/fimmu.2022.1010700] [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: 08/03/2022] [Accepted: 12/23/2022] [Indexed: 01/14/2023] Open
Abstract
Pressure ulcers (PUs) are increasing with aging worldwide, but there is no effective causal therapy. Although mesenchymal stem cells (MSCs) promote cutaneous wound healing, the effects of the conditioned medium (CM) of MSCs on cutaneous PU formation induced by ischemia-reperfusion injury have been poorly investigated. To address this issue, herein, we first established an immortalized stem cell line from human exfoliated deciduous teeth (SHED). This cell line was revealed to have superior characteristics in that it grows infinitely and vigorously, and stably and consistently secretes a variety of cytokines. Using the CM obtained from the immortalized SHED cell line, we investigated the therapeutic potential on a cutaneous ischemia-reperfusion mouse model for PU formation using two magnetic plates. This is the first study to show that CM from immortalized SHEDs exerts therapeutic effects on PU formation by promoting angiogenesis and oxidative stress resistance through vascular endothelial growth factor and hepatocyte growth factor. Thus, the CM of MSCs has potent therapeutic effects, whereas these therapies have not been implemented in human medicine. To try to meet the regulatory requirements for manufacturing and quality control as much as possible, it is necessary to produce CM that is consistently safe and effective. The immortalization of stem cells could be one of the breakthroughs to meet the regulatory requirements and consequently open up a novel avenue to create a novel type of cell-free regenerative medicine, although further investigation into the quality control is warranted.
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Affiliation(s)
- Yasuhiro Katahira
- Department of Immunoregulation, Institute of Medical Science, Tokyo Medical University, Tokyo, Japan
| | - Fumihiro Murakami
- Department of Immunoregulation, Institute of Medical Science, Tokyo Medical University, Tokyo, Japan
| | - Shinya Inoue
- Department of Immunoregulation, Institute of Medical Science, Tokyo Medical University, Tokyo, Japan
| | - Satomi Miyakawa
- Department of Immunoregulation, Institute of Medical Science, Tokyo Medical University, Tokyo, Japan
| | - Eri Sakamoto
- Department of Immunoregulation, Institute of Medical Science, Tokyo Medical University, Tokyo, Japan
| | - Yuma Furusaka
- Department of Immunoregulation, Institute of Medical Science, Tokyo Medical University, Tokyo, Japan
| | - Aruma Watanabe
- Department of Immunoregulation, Institute of Medical Science, Tokyo Medical University, Tokyo, Japan
| | - Ami Sekine
- Department of Immunoregulation, Institute of Medical Science, Tokyo Medical University, Tokyo, Japan
| | - Masahiko Kuroda
- Department of Molecular Pathology, Tokyo Medical University, Tokyo, Japan
| | - Hideaki Hasegawa
- Department of Immunoregulation, Institute of Medical Science, Tokyo Medical University, Tokyo, Japan
| | - Izuru Mizoguchi
- Department of Immunoregulation, Institute of Medical Science, Tokyo Medical University, Tokyo, Japan
| | - Takayuki Yoshimoto
- Department of Immunoregulation, Institute of Medical Science, Tokyo Medical University, Tokyo, Japan,*Correspondence: Takayuki Yoshimoto,
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21
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Burns JS. The Evolving Landscape of Potency Assays. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1420:165-189. [PMID: 37258790 DOI: 10.1007/978-3-031-30040-0_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
There is a "goldilocks" aspect to potency assays. On the one hand, a comprehensive evaluation of the cell product with detailed quantitative measurement of the critical quality attribute/s of the desired biological activity is required. On the other hand, the potency assay benefits from simplification and lean approaches that avoid unnecessary complication and enhance robustness, to provide a reproducible and scalable product. There is a need to balance insightful knowledge of complex biological healing processes with straightforward manufacture of an advanced therapeutic medicinal product (ATMP) that can be administered in a trustworthy cost-effective manner. While earlier chapters within this book have highlighted numerous challenges facing the potency assay conundrum, this chapter offers a forward-looking perspective regarding the many recent advances concerning acellular products, cryopreservation, induced MSC, cell priming, nanotechnology, 3D culture, regulatory guidelines and evolving institutional roles, that are likely to facilitate potency assay development in the future.
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Affiliation(s)
- Jorge S Burns
- Department of Environmental and Prevention Sciences, University of Ferrara, Ferrara, Italy.
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22
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Burns JS, Kassem M. Identifying Biomarkers for Osteogenic Potency Assay Development. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1420:39-58. [PMID: 37258783 DOI: 10.1007/978-3-031-30040-0_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
There has been extensive exploration of how cells may serve as advanced therapy medicinal products to treat skeletal pathologies. Osteoblast progenitors responsible for production of extracellular matrix that is subsequently mineralized during bone formation have been characterised as a rare bone marrow subpopulation of cell culture plastic adherent cells. Conveniently, they proliferate to form single-cell derived colonies of fibroblastoid cells, termed colony forming unit fibroblasts that can subsequently differentiate to aggregates resembling small areas of cartilage or bone. However, donor heterogeneity and loss of osteogenic differentiation capacity during extended cell culture have made the discovery of reliable potency assay biomarkers difficult. Nonetheless, functional osteoblast models derived from telomerised human bone marrow stromal cells have allowed extensive comparative analysis of gene expression, microRNA, morphological phenotypes and secreted proteins. This chapter highlights numerous insights into the molecular mechanisms underpinning osteogenic differentiation of multipotent stromal cells and bone formation, discussing aspects involved in the choice of useful biomarkers for functional attributes that can be quantitively measured in osteogenic potency assays.
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Affiliation(s)
- Jorge S Burns
- Department of Environmental and Prevention Sciences, University of Ferrara, Ferrara, Italy.
| | - Moustapha Kassem
- University Hospital of Odense, University of Southern Denmark, Odense, Denmark
- Danish Stem Cell Center, University of Copenhagen, Copenhagen, Denmark
- College of Medicine, King Saud University, Riyadh, Saudi Arabia
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23
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Silver Nanoparticles Alone or in Combination with Calcium Hydroxide Modulate the Viability, Attachment, Migration, and Osteogenic Differentiation of Human Mesenchymal Stem Cells. Int J Mol Sci 2022; 24:ijms24010702. [PMID: 36614148 PMCID: PMC9821315 DOI: 10.3390/ijms24010702] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 12/18/2022] [Accepted: 12/27/2022] [Indexed: 01/03/2023] Open
Abstract
This study aimed to evaluate the effect of silver nanoparticles (AgNPs) alone or in combination with calcium hydroxide (Ca(OH)2) on the proliferation, viability, attachment, migration, and osteogenic differentiation of human mesenchymal stem cells (hMSCs). Different concentrations of AgNPs alone or mixed with Ca(OH)2 were prepared. Cell proliferation was measured using AlamarBlue, and hMSCs attachment to dentin disks was evaluated using scanning electron microscopy. Live-dead imaging was performed to assess apoptosis. Wound healing ability was determined using the scratch-migration assay. To evaluate osteogenic differentiation, the expression of Runt-related transcription factor (RUNX2), Transforming growth factor beta-1 (TGF-β1), Alkaline Phosphatase (ALP), and Osteocalcin (OCN) were measured using real-time reverse transcriptase polymerase chain reaction. ALP staining and activity were also performed as indicators of osteogenic differentiation. AgNPs alone seemed to favor cell attachment. Lower concentrations of AgNPs enhanced cell proliferation. AgNP groups showed markedly less apoptosis. None of the medicaments had adverse effects on wound closure. The expression of TGF-β1 was significantly upregulated in all groups, and OCN was highly expressed in the AgNP groups. AgNPs 0.06% showed the most enhanced ALP gene expression levels, activity, and marked cytochemical staining. In conclusion, AgNPs positively affect hMSCs, making them a potential biomaterial for various clinical applications.
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24
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Oldershaw RA, Richardson G, Carling P, Owens WA, Lundy DJ, Meeson A. Cardiac Mesenchymal Stem Cell-like Cells Derived from a Young Patient with Bicuspid Aortic Valve Disease Have a Prematurely Aged Phenotype. Biomedicines 2022; 10:3143. [PMID: 36551899 PMCID: PMC9775343 DOI: 10.3390/biomedicines10123143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 11/25/2022] [Accepted: 11/28/2022] [Indexed: 12/12/2022] Open
Abstract
There is significant interest in the role of stem cells in cardiac regeneration, and yet little is known about how cardiac disease progression affects native cardiac stem cells in the human heart. In this brief report, cardiac mesenchymal stem cell-like cells (CMSCLC) from the right atria of a 21-year-old female patient with a bicuspid aortic valve and aortic stenosis (referred to as biscuspid aortic valve disease BAVD-CMSCLC), were compared with those of a 78-year-old female patient undergoing coronary artery bypass surgery (referred to as coronary artery disease CAD-CMSCLC). Cells were analyzed for expression of MSC markers, ability to form CFU-Fs, metabolic activity, cell cycle kinetics, expression of NANOG and p16, and telomere length. The cardiac-derived cells expressed MSC markers and were able to form CFU-Fs, with higher rate of formation in CAD-CMSCLCs. BAVD-CMSCLCs did not display normal MSC morphology, had a much lower cell doubling rate, and were less metabolically active than CAD-CMSCLCs. Cell cycle analysis revealed a population of BAVD-CMSCLC in G2/M phase, whereas the bulk of CAD-CMSCLC were in the G0/G1 phase. BAVD-CMSCLC had lower expression of NANOG and shorter telomere lengths, but higher expression of p16 compared with the CAD-CMSCLC. In conclusion, BAVD-CMSCLC have a prematurely aged phenotype compared with CAD-CMSCLC, despite originating from a younger patient.
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Affiliation(s)
- Rachel A. Oldershaw
- Department of Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, Faculty of Health and Life Sciences, University of Liverpool, William Henry Duncan Building, 6 West Derby Street, Liverpool L7 8TX, UK
| | - Gavin Richardson
- Newcastle University Bioscience Institute, Newcastle University, International Centre for Life, Central Parkway, Newcastle upon Tyne NE1 3BZ, UK
| | - Phillippa Carling
- Newcastle University Bioscience Institute, Newcastle University, International Centre for Life, Central Parkway, Newcastle upon Tyne NE1 3BZ, UK
| | - W. Andrew Owens
- Newcastle University Bioscience Institute, Newcastle University, International Centre for Life, Central Parkway, Newcastle upon Tyne NE1 3BZ, UK
- Department of Cardiothoracic Surgery, South Tees Hospitals NHS Foundation Trust, Middlesbrough TS4 3BW, UK
| | - David J. Lundy
- Graduate Institute of Biomedical Materials and Tissue Engineering, Taipei Medical University, Taipei 110, Taiwan
| | - Annette Meeson
- Newcastle University Bioscience Institute, Newcastle University, International Centre for Life, Central Parkway, Newcastle upon Tyne NE1 3BZ, UK
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25
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Audouard E, Michel F, Pierroz V, Kim T, Rousselot L, Gillet-Legrand B, Dufayet-Chauffaut G, Buchmann P, Florea M, Khel A, Altynbekova K, Delgaldo C, Escudero E, Soler ABA, Cartier N, Piguet F, Folcher M. Bioelectronic cell-based device provides a strategy for the treatment of the experimental model of multiple sclerosis. J Control Release 2022; 352:994-1008. [PMID: 36370877 PMCID: PMC9733677 DOI: 10.1016/j.jconrel.2022.11.008] [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: 08/12/2022] [Revised: 10/25/2022] [Accepted: 11/04/2022] [Indexed: 11/18/2022]
Abstract
Wireless powered optogenetic cell-based implant provides a strategy to deliver subcutaneously therapeutic proteins. Immortalize Human Mesenchymal Stem Cells (hMSC-TERT) expressing the bacteriophytochrome diguanylate cyclase (DGCL) were validated for optogenetic controlled interferon-β delivery (Optoferon cells) in a bioelectronic cell-based implant. Optoferon cells transcriptomic profiling was used to elaborate an in-silico model of the recombinant interferon-β production. Wireless optoelectronic device integration was developed using additive manufacturing and injection molding. Implant cell-based optoelectronic interface manufacturing was established to integrate industrial flexible compact low-resistance screen-printed Near Field Communication (NFC) coil antenna. Optogenetic cell-based implant biocompatibility, and device performances were evaluated in the Experimental Autoimmune Encephalomyelitis (EAE) mouse model of multiple sclerosis.
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Affiliation(s)
- Emilie Audouard
- NeuroGenCell, Paris Brain Institute – ICM, INSERM, CNRS, AP-HP, Sorbonne Université; Hôpital de la Pitié Salpêtrière, Paris, France
| | - Fanny Michel
- Department of Biosystems Science and Engineering, D-BSSE, ETH Zürich, Basel, Switzerland
| | - Vanessa Pierroz
- Department of Biosystems Science and Engineering, D-BSSE, ETH Zürich, Basel, Switzerland
| | - Taeuk Kim
- Department of Biosystems Science and Engineering, D-BSSE, ETH Zürich, Basel, Switzerland
| | - Lisa Rousselot
- NeuroGenCell, Paris Brain Institute – ICM, INSERM, CNRS, AP-HP, Sorbonne Université; Hôpital de la Pitié Salpêtrière, Paris, France
| | - Béatrix Gillet-Legrand
- NeuroGenCell, Paris Brain Institute – ICM, INSERM, CNRS, AP-HP, Sorbonne Université; Hôpital de la Pitié Salpêtrière, Paris, France
| | - Gaëlle Dufayet-Chauffaut
- NeuroGenCell, Paris Brain Institute – ICM, INSERM, CNRS, AP-HP, Sorbonne Université; Hôpital de la Pitié Salpêtrière, Paris, France
| | - Peter Buchmann
- Department of Biosystems Science and Engineering, D-BSSE, ETH Zürich, Basel, Switzerland
| | - Michael Florea
- Department of Biosystems Science and Engineering, D-BSSE, ETH Zürich, Basel, Switzerland
| | | | | | - Claudia Delgaldo
- Eurecat, Centre Tecnològic de Catalunya, Functional Printing and Embedded Devices Unit, Mataró, Spain
| | - Encarna Escudero
- Eurecat, Centre Tecnològic de Catalunya, Functional Printing and Embedded Devices Unit, Mataró, Spain
| | - Alejandra Ben Aissa Soler
- Eurecat, Centre Tecnològic de Catalunya, Functional Printing and Embedded Devices Unit, Mataró, Spain
| | - Nathalie Cartier
- NeuroGenCell, Paris Brain Institute – ICM, INSERM, CNRS, AP-HP, Sorbonne Université; Hôpital de la Pitié Salpêtrière, Paris, France
| | - Francoise Piguet
- NeuroGenCell, Paris Brain Institute – ICM, INSERM, CNRS, AP-HP, Sorbonne Université; Hôpital de la Pitié Salpêtrière, Paris, France
| | - Marc Folcher
- Department of Biosystems Science and Engineering, D-BSSE, ETH Zürich, Basel, Switzerland,Institute of Molecular and Clinical Ophthalmology, IOB, Basel, Switzerland,Corresponding author at: Department of Biosystems Science and Engineering, D-BSSE, ETH Zürich, Basel, Switzerland.
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26
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Luconi M, Sogorb MA, Markert UR, Benfenati E, May T, Wolbank S, Roncaglioni A, Schmidt A, Straccia M, Tait S. Human-Based New Approach Methodologies in Developmental Toxicity Testing: A Step Ahead from the State of the Art with a Feto-Placental Organ-on-Chip Platform. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:15828. [PMID: 36497907 PMCID: PMC9737555 DOI: 10.3390/ijerph192315828] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 11/20/2022] [Accepted: 11/25/2022] [Indexed: 06/17/2023]
Abstract
Developmental toxicity testing urgently requires the implementation of human-relevant new approach methodologies (NAMs) that better recapitulate the peculiar nature of human physiology during pregnancy, especially the placenta and the maternal/fetal interface, which represent a key stage for human lifelong health. Fit-for-purpose NAMs for the placental-fetal interface are desirable to improve the biological knowledge of environmental exposure at the molecular level and to reduce the high cost, time and ethical impact of animal studies. This article reviews the state of the art on the available in vitro (placental, fetal and amniotic cell-based systems) and in silico NAMs of human relevance for developmental toxicity testing purposes; in addition, we considered available Adverse Outcome Pathways related to developmental toxicity. The OECD TG 414 for the identification and assessment of deleterious effects of prenatal exposure to chemicals on developing organisms will be discussed to delineate the regulatory context and to better debate what is missing and needed in the context of the Developmental Origins of Health and Disease hypothesis to significantly improve this sector. Starting from this analysis, the development of a novel human feto-placental organ-on-chip platform will be introduced as an innovative future alternative tool for developmental toxicity testing, considering possible implementation and validation strategies to overcome the limitation of the current animal studies and NAMs available in regulatory toxicology and in the biomedical field.
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Affiliation(s)
- Michaela Luconi
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, Viale Pieraccini 6, 50139 Florence, Italy
- I.N.B.B. (Istituto Nazionale Biostrutture e Biosistemi), Viale Medaglie d’Oro 305, 00136 Rome, Italy
| | - Miguel A. Sogorb
- Instituto de Bioingeniería, Universidad Miguel Hernández de Elche, Avenida de la Universidad s/n, 03202 Elche, Spain
| | - Udo R. Markert
- Placenta Lab, Department of Obstetrics, University Hospital Jena, Am Klinikum 1, 07747 Jena, Germany
| | - Emilio Benfenati
- Department of Environmental Health Sciences, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 20156 Milan, Italy
| | - Tobias May
- InSCREENeX GmbH, Inhoffenstr. 7, 38124 Braunschweig, Germany
| | - Susanne Wolbank
- Ludwig Boltzmann Institut for Traumatology, The Research Center in Cooperation with AUVA, Austrian Cluster for Tissue Regeneration, Donaueschingenstrasse 13, 1200 Vienna, Austria
| | - Alessandra Roncaglioni
- Department of Environmental Health Sciences, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 20156 Milan, Italy
| | - Astrid Schmidt
- Placenta Lab, Department of Obstetrics, University Hospital Jena, Am Klinikum 1, 07747 Jena, Germany
| | - Marco Straccia
- FRESCI by Science&Strategy SL, C/Roure Monjo 33, Vacarisses, 08233 Barcelona, Spain
| | - Sabrina Tait
- Centre for Gender-Specific Medicine, Istituto Superiore di Sanità, 00161 Rome, Italy
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27
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Fraile M, Eiro N, Costa LA, Martín A, Vizoso FJ. Aging and Mesenchymal Stem Cells: Basic Concepts, Challenges and Strategies. BIOLOGY 2022; 11:1678. [PMID: 36421393 PMCID: PMC9687158 DOI: 10.3390/biology11111678] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 11/08/2022] [Accepted: 11/15/2022] [Indexed: 08/27/2023]
Abstract
Aging and frailty are complex processes implicating multifactorial mechanisms, such as replicative senescence, oxidative stress, mitochondrial dysfunction, or autophagy disorder. All of these mechanisms drive dramatic changes in the tissue environment, such as senescence-associated secretory phenotype factors and inflamm-aging. Thus, there is a demand for new therapeutic strategies against the devastating effects of the aging and associated diseases. Mesenchymal stem cells (MSC) participate in a "galaxy" of tissue signals (proliferative, anti-inflammatory, and antioxidative stress, and proangiogenic, antitumor, antifibrotic, and antimicrobial effects) contributing to tissue homeostasis. However, MSC are also not immune to aging. Three strategies based on MSC have been proposed: remove, rejuvenate, or replace the senescent MSC. These strategies include the use of senolytic drugs, antioxidant agents and genetic engineering, or transplantation of younger MSC. Nevertheless, these strategies may have the drawback of the adverse effects of prolonged use of the different drugs used or, where appropriate, those of cell therapy. In this review, we propose the new strategy of "Exogenous Restitution of Intercellular Signalling of Stem Cells" (ERISSC). This concept is based on the potential use of secretome from MSC, which are composed of molecules such as growth factors, cytokines, and extracellular vesicles and have the same biological effects as their parent cells. To face this cell-free regenerative therapy challenge, we have to clarify key strategy aspects, such as establishing tools that allow us a more precise diagnosis of aging frailty in order to identify the therapeutic requirements adapted to each case, identify the ideal type of MSC in the context of the functional heterogeneity of these cellular populations, to optimize the mass production and standardization of the primary materials (cells) and their secretome-derived products, to establish the appropriate methods to validate the anti-aging effects and to determine the most appropriate route of administration for each case.
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Affiliation(s)
- Maria Fraile
- Research Unit, Fundación Hospital de Jove, Avda. Eduardo Castro, 161, 33920 Gijon, Spain
| | - Noemi Eiro
- Research Unit, Fundación Hospital de Jove, Avda. Eduardo Castro, 161, 33920 Gijon, Spain
| | - Luis A. Costa
- Research Unit, Fundación Hospital de Jove, Avda. Eduardo Castro, 161, 33920 Gijon, Spain
| | - Arancha Martín
- Research Unit, Fundación Hospital de Jove, Avda. Eduardo Castro, 161, 33920 Gijon, Spain
- Department of Emergency, Hospital Universitario de Cabueñes, Los Prados, 395, 33394 Gijon, Spain
| | - Francisco J. Vizoso
- Research Unit, Fundación Hospital de Jove, Avda. Eduardo Castro, 161, 33920 Gijon, Spain
- Department of Surgery, Fundación Hospital de Jove, Avda. Eduardo Castro, 161, 33920 Gijon, Spain
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28
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Stürznickel J, Behler-Janbeck F, Baranowsky A, Schmidt T, Schwinge D, John C, Lohse AW, Schramm C, Heeren J, Schinke T, Amling M. Increased concentrations of conjugated bile acids are associated with osteoporosis in PSC patients. Sci Rep 2022; 12:16491. [PMID: 36192408 PMCID: PMC9530206 DOI: 10.1038/s41598-022-20351-z] [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: 04/11/2022] [Accepted: 09/12/2022] [Indexed: 11/17/2022] Open
Abstract
Primary sclerosing cholangitis (PSC) is an idiopathic cholestatic liver disease characterized by chronic inflammation and progressive fibrosis of intra- and extrahepatic bile ducts. Osteoporosis is a frequent comorbidity in PSC, and we could previously demonstrate that IL17-dependent activation of bone resorption is the predominant driver of bone loss in PSC. Since we additionally observed an unexpected heterogeneity of bone mineral density in our cohort of 238 PSC patients, the present study focused on a comparative analysis of affected individuals with diagnosed osteoporosis (PSCOPO, n = 10) or high bone mass (PSCHBM, n = 7). The two groups were not distinguishable by various baseline characteristics, including liver fibrosis or serum parameters for hepatic function. In contrast, quantification of serum bile acid concentrations identified significant increases in the PSCOPO group, including glycoursodeoxycholic acid (GUDCA), an exogenous bile acid administered to both patient groups. Although cell culture experiments did not support the hypothesis that an increase in circulating bile levels is a primary cause of PSC-associated osteoporosis, the remarkable differences of endogenous bile acids and GUDCA in the serum of PSCOPO patients strongly suggest a yet unknown impairment of biliary metabolism and/or hepatic bile acid clearance in this patient subgroup, which is independent of liver fibrosis.
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Affiliation(s)
- Julian Stürznickel
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Lottestraße 59, 22529, Hamburg, Germany.,Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Friederike Behler-Janbeck
- Department of Biochemistry and Molecular Cell Biology, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Anke Baranowsky
- Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Tobias Schmidt
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Lottestraße 59, 22529, Hamburg, Germany
| | - Dorothee Schwinge
- I. Department of Internal Medicine, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany.,European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg Center for Translational Immunology (HCTI), University Medical Centre Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Clara John
- Department of Biochemistry and Molecular Cell Biology, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Ansgar W Lohse
- I. Department of Internal Medicine, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany.,European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg Center for Translational Immunology (HCTI), University Medical Centre Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Christoph Schramm
- I. Department of Internal Medicine, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany.,European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg Center for Translational Immunology (HCTI), University Medical Centre Hamburg-Eppendorf, 20246, Hamburg, Germany.,Martin Zeitz Centre for Rare Diseases, University Medical Centre Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Joerg Heeren
- Department of Biochemistry and Molecular Cell Biology, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Thorsten Schinke
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Lottestraße 59, 22529, Hamburg, Germany
| | - Michael Amling
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Lottestraße 59, 22529, Hamburg, Germany.
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29
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Benova A, Ferencakova M, Bardova K, Funda J, Prochazka J, Spoutil F, Cajka T, Dzubanova M, Balcaen T, Kerckhofs G, Willekens W, van Lenthe GH, Alquicer G, Pecinova A, Mracek T, Horakova O, Rossmeisl M, Kopecky J, Tencerova M. Novel thiazolidinedione analog reduces a negative impact on bone and mesenchymal stem cell properties in obese mice compared to classical thiazolidinediones. Mol Metab 2022; 65:101598. [PMID: 36103974 PMCID: PMC9508355 DOI: 10.1016/j.molmet.2022.101598] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 09/06/2022] [Accepted: 09/06/2022] [Indexed: 11/29/2022] Open
Abstract
Objective The use of thiazolidinediones (TZDs) as insulin sensitizers has been shown to have side effects including increased accumulation of bone marrow adipocytes (BMAds) associated with a higher fracture risk and bone loss. A novel TZD analog MSDC-0602K with low affinity to PPARγ has been developed to reduce adverse effects of TZD therapy. However, the effect of MSDC-0602K on bone phenotype and bone marrow mesenchymal stem cells (BM-MSCs) in relation to obesity has not been intensively studied yet. Methods Here, we investigated whether 8-week treatment with MSDC-0602K has a less detrimental effect on bone loss and BM-MSC properties in obese mice in comparison to first generation of TZDs, pioglitazone. Bone parameters (bone microstructure, bone marrow adiposity, bone strength) were examined by μCT and 3-point bending test. Primary BM-MSCs were isolated and measured for osteoblast and adipocyte differentiation. Cellular senescence, bioenergetic profiling, nutrient consumption and insulin signaling were also determined. Results The findings demonstrate that MSDC-0602K improved bone parameters along with increased proportion of smaller BMAds in tibia of obese mice when compared to pioglitazone. Further, primary BM-MSCs isolated from treated mice and human BM-MSCs revealed decreased adipocyte and higher osteoblast differentiation accompanied with less inflammatory and senescent phenotype induced by MSDC-0602K vs. pioglitazone. These changes were further reflected by increased glycolytic activity differently affecting glutamine and glucose cellular metabolism in MSDC-0602K-treated cells compared to pioglitazone, associated with higher osteogenesis. Conclusion Our study provides novel insights into the action of MSDC-0602K in obese mice, characterized by the absence of detrimental effects on bone quality and BM-MSC metabolism when compared to classical TZDs and thus suggesting a potential therapeutical use of MSDC-0602K in both metabolic and bone diseases. MSDC-0602K improves bone quality and increases proportion of smaller BMAds in obese mice. MSDC-0602K-treated mice show lower adipogenic differentiation with less senescent phenotype in primary BM-MSCs. MSDC-0602K induces higher glycolytic activity in BM-MSCs compared to pioglitazone. MSDC-0602-treated BM-MSCs prefer glutamine over glucose uptake in comparison to AT-MSCs. Beneficial effect of MSDC-06002K in BM-MSCs manifests by absence of MPC inhibition.
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Affiliation(s)
- Andrea Benova
- Laboratory of Molecular Physiology of Bone, Institute of Physiology of the Czech Academy of Sciences, Prague 142 20, Czech Republic; Faculty of Science, Charles University, Prague, Czech Republic
| | - Michaela Ferencakova
- Laboratory of Molecular Physiology of Bone, Institute of Physiology of the Czech Academy of Sciences, Prague 142 20, Czech Republic
| | - Kristina Bardova
- Laboratory of Adipose Tissue Biology, Institute of Physiology of the Czech Academy of Sciences, Prague 142 20, Czech Republic
| | - Jiri Funda
- Laboratory of Adipose Tissue Biology, Institute of Physiology of the Czech Academy of Sciences, Prague 142 20, Czech Republic
| | - Jan Prochazka
- Czech Centre for Phenogenomics & Laboratory of Transgenic Models of Diseases, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
| | - Frantisek Spoutil
- Czech Centre for Phenogenomics & Laboratory of Transgenic Models of Diseases, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
| | - Tomas Cajka
- Laboratory of Translational Metabolism, Institute of Physiology of the Czech Academy of Sciences, Prague 142 20, Czech Republic
| | - Martina Dzubanova
- Laboratory of Molecular Physiology of Bone, Institute of Physiology of the Czech Academy of Sciences, Prague 142 20, Czech Republic; Faculty of Science, Charles University, Prague, Czech Republic
| | - Tim Balcaen
- Biomechanics lab, Institute of Mechanics, Materials, and Civil Engineering, UCLouvain, Louvain-la-Neuve, Belgium; Pole of Morphology, Institute for Experimental and Clinical Research, UCLouvain, Brussels, Belgium; Department of Chemistry, Molecular Design and Synthesis, KU Leuven, Leuven, Belgium
| | - Greet Kerckhofs
- Biomechanics lab, Institute of Mechanics, Materials, and Civil Engineering, UCLouvain, Louvain-la-Neuve, Belgium; Department of Materials Engineering, KU Leuven, Belgium; Prometheus, Division of Skeletal Tissue Engineering, Katholieke Universiteit Leuven, 3000 Leuven, Belgium; Pole of Morphology, Institute for Experimental and Clinical Research, UCLouvain, Brussels, Belgium
| | | | | | - Glenda Alquicer
- Laboratory of Molecular Physiology of Bone, Institute of Physiology of the Czech Academy of Sciences, Prague 142 20, Czech Republic
| | - Alena Pecinova
- Laboratory of Bioenergetics, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Tomas Mracek
- Laboratory of Bioenergetics, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Olga Horakova
- Laboratory of Adipose Tissue Biology, Institute of Physiology of the Czech Academy of Sciences, Prague 142 20, Czech Republic
| | - Martin Rossmeisl
- Laboratory of Adipose Tissue Biology, Institute of Physiology of the Czech Academy of Sciences, Prague 142 20, Czech Republic
| | - Jan Kopecky
- Laboratory of Adipose Tissue Biology, Institute of Physiology of the Czech Academy of Sciences, Prague 142 20, Czech Republic
| | - Michaela Tencerova
- Laboratory of Molecular Physiology of Bone, Institute of Physiology of the Czech Academy of Sciences, Prague 142 20, Czech Republic.
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Guo D, Zhang L, Wang X, Zheng J, Lin S. Establishment methods and research progress of livestock and poultry immortalized cell lines: A review. Front Vet Sci 2022; 9:956357. [PMID: 36118350 PMCID: PMC9478797 DOI: 10.3389/fvets.2022.956357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 08/10/2022] [Indexed: 11/13/2022] Open
Abstract
An infinite cell line is one of the most favored experimental tools and plays an irreplaceable role in cell-based biological research. Primary cells from normal animal tissues undergo a limited number of divisions and subcultures in vitro before they enter senescence and die. On the contrary, an infinite cell line is a population of non-senescent cells that could proliferate indefinitely in vitro under the stimulation of external factors such as physicochemical stimulation, virus infection, or transfer of immortality genes. Cell immortalization is the basis for establishing an infinite cell line, and previous studies have found that methods to obtain immortalized cells mainly included physical and chemical stimulations, heterologous expression of viral oncogenes, increased telomerase activity, and spontaneous formation. However, some immortalized cells do not necessarily proliferate permanently even though they can extend their lifespan compared with primary cells. An infinite cell line not only avoids the complicated process of collecting primary cell, it also provides a convenient and reliable tool for studying scientific problems in biology. At present, how to establish a stable infinite cell line to maximize the proliferation of cells while maintaining the normal function of cells is a hot issue in the biological community. This review briefly introduces the methods of cell immortalization, discusses the related progress of establishing immortalized cell lines in livestock and poultry, and compares the characteristics of several methods, hoping to provide some ideas for generating new immortalized cell lines.
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Walther AR, Ditzel N, Kassem M, Andersen MØ, Hedegaard MAB. In vivo non-invasive monitoring of tissue development in 3D printed subcutaneous bone scaffolds using fibre-optic Raman spectroscopy. BIOMATERIALS AND BIOSYSTEMS 2022; 7:100059. [PMID: 36824488 PMCID: PMC9934492 DOI: 10.1016/j.bbiosy.2022.100059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 07/04/2022] [Accepted: 07/25/2022] [Indexed: 10/16/2022] Open
Abstract
The development of novel biomaterials for regenerative therapy relies on the ability to assess tissue development, quality, and similarity with native tissue types in in vivo experiments. Non-invasive imaging modalities such as X-ray computed tomography offer high spatial resolution but limited biochemical information while histology and biochemical assays are destructive. Raman spectroscopy is a non-invasive, label-free and non-destructive technique widely applied for biochemical characterization. Here we demonstrate the use of fibre-optic Raman spectroscopy for in vivo quantitative monitoring of tissue development in subcutaneous calcium phosphate scaffolds in mice over 16 weeks. Raman spectroscopy was able to quantify the time dependency of different tissue components related to the presence, absence, and quantity of mesenchymal stem cells. Scaffolds seeded with stem cells produced 3-5 times higher amount of collagen-rich extracellular matrix after 16 weeks implantation compared to scaffolds without. These however, showed a 2.5 times higher amount of lipid-rich tissue compared to implants with stem cells. Ex vivo micro-computed tomography and histology showed stem cell mediated collagen and bone development. Histological measures of collagen correlated well with Raman derived quantifications (correlation coefficient in vivo 0.74, ex vivo 0.93). In the absence of stem cells, the scaffolds were largely occupied by adipocytes. The technique developed here could potentially be adapted for a range of small animal experiments for assessing tissue engineering strategies at the biochemical level.
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Affiliation(s)
- Anders Runge Walther
- SDU Biotechnology, Department of Green Technology, University of Southern Denmark, Campusvej 55, DK-5230 Odense, Denmark
| | - Nicholas Ditzel
- Endocrine Research (KMEB), Department of Endocrinology, Odense University Hospital and University of Southern Denmark, J.B. Winsløws Vej 25, DK-5000 Odense, Denmark
| | - Moustapha Kassem
- Endocrine Research (KMEB), Department of Endocrinology, Odense University Hospital and University of Southern Denmark, J.B. Winsløws Vej 25, DK-5000 Odense, Denmark
| | - Morten Østergaard Andersen
- SDU Biotechnology, Department of Green Technology, University of Southern Denmark, Campusvej 55, DK-5230 Odense, Denmark
| | - Martin Aage Barsøe Hedegaard
- SDU Biotechnology, Department of Green Technology, University of Southern Denmark, Campusvej 55, DK-5230 Odense, Denmark
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Shi Y, Liu G, Wu R, Mack DL, Sun XS, Maxwell J, Guan X, Atala A, Zhang Y. Differentiation Capacity of Human Urine-Derived Stem Cells to Retain Telomerase Activity. Front Cell Dev Biol 2022; 10:890574. [PMID: 35693947 PMCID: PMC9186504 DOI: 10.3389/fcell.2022.890574] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 04/29/2022] [Indexed: 12/12/2022] Open
Abstract
Telomerase activity is essential for the self-renewal and potential of embryonic, induced pluripotent, and cancer stem cells, as well as a few somatic stem cells, such as human urine-derived stem cells (USCs). However, it remains unclear how telomerase activity affects the regeneration potential of somatic stem cells. The objective of this study was to determine the regenerative significance of telomerase activity, particularly to retain cell surface marker expression, multipotent differentiation capability, chromosomal stability, and in vivo tumorigenic transformation, in each clonal population of human primary USCs. In total, 117 USC specimens from 10 healthy male adults (25–57 years of age) were obtained. Polymerase chain reaction amplification of a telomeric repeat was used to detect USCs with positive telomerase activity (USCsTA+). A total of 80 USCsTA+ (70.2%) were identified from 117 USC clones, but they were not detected in the paired normal bladder smooth muscle cell and bone marrow stromal cell specimens. In the 20–40 years age group, approximately 75% of USC clones displayed positive telomerase activity, whereas in the 50 years age group, 59.2% of the USC clones expressed positive telomerase activity. USCsTA+ extended to passage 16, underwent 62.0 ± 4.8 population doublings, produced more cells, and were superior for osteogenic, myogenic, and uroepithelial differentiation compared to USCsTA−. Importantly, USCs displayed normal chromosome and no oncological transformation after being implanted in vivo. Overall, as a safe cell source, telomerase-positive USCs have a robust regenerative potential in cell proliferation and multipotent differentiation capacity.
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Affiliation(s)
- Yingai Shi
- Institute for Regenerative Medicine, Wake Forest University, Winston-Salem, NC, United States
- Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Jilin, China
| | - Guihua Liu
- Institute for Regenerative Medicine, Wake Forest University, Winston-Salem, NC, United States
- Reproductive Medical Center, Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Rongpei Wu
- Institute for Regenerative Medicine, Wake Forest University, Winston-Salem, NC, United States
- Department of Urology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - David L. Mack
- Institute for Regenerative Medicine, Wake Forest University, Winston-Salem, NC, United States
- Department of Rehabilitation Medicine and Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA, United States
| | - Xiuzhi Susan Sun
- Institute for Regenerative Medicine, Wake Forest University, Winston-Salem, NC, United States
- Bio-Materials and Technology Lab, Grain Science and Industry, Bio and Agricultural Engineering, Kansas State University, Kansas, KS, United States
| | - Joshua Maxwell
- Institute for Regenerative Medicine, Wake Forest University, Winston-Salem, NC, United States
| | - Xuan Guan
- Institute for Regenerative Medicine, Wake Forest University, Winston-Salem, NC, United States
- Cardiovascular Disease AdvenHealth Orland, Orland, FL, United States
| | - Anthony Atala
- Institute for Regenerative Medicine, Wake Forest University, Winston-Salem, NC, United States
| | - Yuanyuan Zhang
- Institute for Regenerative Medicine, Wake Forest University, Winston-Salem, NC, United States
- *Correspondence: Yuanyuan Zhang,
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Petry F, Salzig D. The cultivation conditions affect the aggregation and functionality of β-cell lines alone and in coculture with mesenchymal stromal/stem cells. Eng Life Sci 2022; 22:769-783. [PMID: 36514533 PMCID: PMC9731603 DOI: 10.1002/elsc.202100168] [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: 12/15/2021] [Revised: 04/27/2022] [Accepted: 05/03/2022] [Indexed: 12/16/2022] Open
Abstract
The manufacturing of viable and functional β-cell spheroids is required for diabetes cell therapy and drug testing. Mesenchymal stromal/stem cells (MSCs) are known to improve β-cell viability and functionality. We therefore investigated the aggregation behavior of three different β-cell lines (rat insulinoma-1 cell line [INS-1], mouse insulinoma-6 cell line [MIN6], and a cell line formed by the electrofusion of primary human pancreatic islets and PANC-1 cells [1.1B4]), two MSC types, and mixtures of β-cells and MSCs under different conditions. We screened several static systems to produce uniform β-cell and MSC spheroids, finding cell-repellent plates the most suitable. The three different β-cell lines differed in their aggregation behavior, spheroid size, and growth in the same static environment. We found no major differences in spheroid formation between primary MSCs and an immortalized MSC line, although both differed with regard to the aggregation behavior of the β-cell lines. All spheroids showed a reduced viability due to mass transfer limitations under static conditions. We therefore investigated three dynamic systems (shaking multi-well plates, spinner flasks, and shaking flasks). In shaking flasks, there were no β-cell-line-dependent differences in aggregation behavior, resulting in uniform and highly viable spheroids. We found that the aggregation behavior of the β-cell lines changed in a static coculture with MSCs. The β-cell/MSC coculture conditions must be refined to avoid a rapid segregation into distinct populations under dynamic conditions.
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Affiliation(s)
- Florian Petry
- Institute of Bioprocess Engineering and Pharmaceutical TechnologyUniversity of Applied Sciences MittelhessenGiessenGermany
| | - Denise Salzig
- Institute of Bioprocess Engineering and Pharmaceutical TechnologyUniversity of Applied Sciences MittelhessenGiessenGermany
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Comninos AN, Hansen MS, Courtney A, Choudhury S, Yang L, Mills EG, Phylactou M, Busbridge M, Khir M, Thaventhiran T, Bech P, Tan T, Abbara A, Frost M, Dhillo WS. Acute Effects of Kisspeptin Administration on Bone Metabolism in Healthy Men. J Clin Endocrinol Metab 2022; 107:1529-1540. [PMID: 35244717 PMCID: PMC9113799 DOI: 10.1210/clinem/dgac117] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Indexed: 12/23/2022]
Abstract
CONTEXT Osteoporosis results from disturbances in bone formation and resorption. Recent nonhuman data suggest that the reproductive hormone kisspeptin directly stimulates osteoblast differentiation in vitro and thus could have clinical therapeutic potential. However, the effects of kisspeptin on human bone metabolism are currently unknown. OBJECTIVE To assess the effects of kisspeptin on human bone metabolism in vitro and in vivo. METHODS In vitro study: of Mono- and cocultures of human osteoblasts and osteoclasts treated with kisspeptin. Clinical study: Randomized, placebo-controlled, double-blind, 2-way crossover clinical study in 26 men investigating the effects of acute kisspeptin administration (90 minutes) on human bone metabolism, with blood sampling every 30 minutes to +90 minutes. Cells for the in vitro study were from 12 male blood donors and 8 patients undergoing hip replacement surgery. Twenty-six healthy eugonadal men (age 26.8 ± 5.8 years) were included in the clinical study. The intervention was Kisspeptin (vs placebo) administration. The main outcome measures were changes in bone parameters and turnover markers. RESULTS Incubation with kisspeptin in vitro increased alkaline phosphatase levels in human bone marrow mesenchymal stem cells by 41.1% (P = .0022), and robustly inhibited osteoclastic resorptive activity by up to 53.4% (P < .0001), in a dose-dependent manner. Kisspeptin administration to healthy men increased osteoblast activity, as evidenced by a 20.3% maximal increase in total osteocalcin (P = .021) and 24.3% maximal increase in carboxylated osteocalcin levels (P = .014). CONCLUSION Collectively, these data provide the first human evidence that kisspeptin promotes osteogenic differentiation of osteoblast progenitors and inhibits bone resorption in vitro. Furthermore, kisspeptin acutely increases the bone formation marker osteocalcin but not resorption markers in healthy men, independent of downstream sex steroid levels. Kisspeptin could therefore have clinical therapeutic application in the treatment of osteoporosis.
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Affiliation(s)
- Alexander N Comninos
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
- Department of Endocrinology, Imperial College Healthcare NHS Trust, London, UK
- Endocrine Bone Unit, Imperial College Healthcare NHS Trust, London, UK
| | - Morten S Hansen
- KMEB Molecular Endocrinology Laboratory, Department of Endocrinology, Odense University Hospital, Denmark
- Department of Clinical Research, University of Southern Denmark, Denmark
| | - Alan Courtney
- Department of Clinical Biochemistry, Imperial College Healthcare NHS Trust, London, UK
| | - Sirazum Choudhury
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
- Department of Clinical Biochemistry, Imperial College Healthcare NHS Trust, London, UK
| | - Lisa Yang
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
| | - Edouard G Mills
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
| | - Maria Phylactou
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
| | - Mark Busbridge
- Department of Clinical Biochemistry, Imperial College Healthcare NHS Trust, London, UK
| | - Muaza Khir
- Department of Clinical Biochemistry, Imperial College Healthcare NHS Trust, London, UK
| | - Thilipan Thaventhiran
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
| | - Paul Bech
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
- Department of Clinical Biochemistry, Imperial College Healthcare NHS Trust, London, UK
| | - Tricia Tan
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
- Department of Clinical Biochemistry, Imperial College Healthcare NHS Trust, London, UK
| | - Ali Abbara
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
- Department of Endocrinology, Imperial College Healthcare NHS Trust, London, UK
| | - Morten Frost
- KMEB Molecular Endocrinology Laboratory, Department of Endocrinology, Odense University Hospital, Denmark
- Department of Clinical Research, University of Southern Denmark, Denmark
- Steno Diabetes Centre, Odense University Hospital, Denmark
| | - Waljit S Dhillo
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
- Department of Endocrinology, Imperial College Healthcare NHS Trust, London, UK
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Tye CE, Ghule PN, Gordon JAR, Kabala FS, Page NA, Falcone MM, Tracy KM, van Wijnen AJ, Stein JL, Lian JB, Stein GS. LncMIR181A1HG is a novel chromatin-bound epigenetic suppressor of early stage osteogenic lineage commitment. Sci Rep 2022; 12:7770. [PMID: 35546168 PMCID: PMC9095685 DOI: 10.1038/s41598-022-11814-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 04/26/2022] [Indexed: 12/01/2022] Open
Abstract
Bone formation requires osteogenic differentiation of multipotent mesenchymal stromal cells (MSCs) and lineage progression of committed osteoblast precursors. Osteogenic phenotype commitment is epigenetically controlled by genomic (chromatin) and non-genomic (non-coding RNA) mechanisms. Control of osteogenesis by long non-coding RNAs remains a largely unexplored molecular frontier. Here, we performed comprehensive transcriptome analysis at early stages of osteogenic cell fate determination in human MSCs, focusing on expression of lncRNAs. We identified a chromatin-bound lncRNA (MIR181A1HG) that is highly expressed in self-renewing MSCs. MIR181A1HG is down-regulated when MSCs become osteogenic lineage committed and is retained during adipogenic differentiation, suggesting lineage-related molecular functions. Consistent with a key role in human MSC proliferation and survival, we demonstrate that knockdown of MIR181A1HG in the absence of osteogenic stimuli impedes cell cycle progression. Loss of MIR181A1HG enhances differentiation into osteo-chondroprogenitors that produce multiple extracellular matrix proteins. RNA-seq analysis shows that loss of chromatin-bound MIR181A1HG alters expression and BMP2 responsiveness of skeletal gene networks (e.g., SOX5 and DLX5). We propose that MIR181A1HG is a novel epigenetic regulator of early stages of mesenchymal lineage commitment towards osteo-chondroprogenitors. This discovery permits consideration of MIR181A1HG and its associated regulatory pathways as targets for promoting new bone formation in skeletal disorders.
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Affiliation(s)
- Coralee E Tye
- Department of Biochemistry and University of Vermont Cancer Center, Larner College of Medicine at the University of Vermont, 89 Beaumont Avenue, Burlington, VT, 05405, USA
- University of Vermont Cancer Center, University of Vermont Larner College of Medicine, Burlington, VT, 05405, USA
| | - Prachi N Ghule
- Department of Biochemistry and University of Vermont Cancer Center, Larner College of Medicine at the University of Vermont, 89 Beaumont Avenue, Burlington, VT, 05405, USA
- University of Vermont Cancer Center, University of Vermont Larner College of Medicine, Burlington, VT, 05405, USA
| | - Jonathan A R Gordon
- Department of Biochemistry and University of Vermont Cancer Center, Larner College of Medicine at the University of Vermont, 89 Beaumont Avenue, Burlington, VT, 05405, USA
- University of Vermont Cancer Center, University of Vermont Larner College of Medicine, Burlington, VT, 05405, USA
| | - Fleur S Kabala
- Department of Biochemistry and University of Vermont Cancer Center, Larner College of Medicine at the University of Vermont, 89 Beaumont Avenue, Burlington, VT, 05405, USA
| | - Natalie A Page
- Department of Biochemistry and University of Vermont Cancer Center, Larner College of Medicine at the University of Vermont, 89 Beaumont Avenue, Burlington, VT, 05405, USA
| | - Michelle M Falcone
- Department of Biochemistry and University of Vermont Cancer Center, Larner College of Medicine at the University of Vermont, 89 Beaumont Avenue, Burlington, VT, 05405, USA
| | - Kirsten M Tracy
- Department of Biochemistry and University of Vermont Cancer Center, Larner College of Medicine at the University of Vermont, 89 Beaumont Avenue, Burlington, VT, 05405, USA
| | - Andre J van Wijnen
- Department of Biochemistry and University of Vermont Cancer Center, Larner College of Medicine at the University of Vermont, 89 Beaumont Avenue, Burlington, VT, 05405, USA
| | - Janet L Stein
- Department of Biochemistry and University of Vermont Cancer Center, Larner College of Medicine at the University of Vermont, 89 Beaumont Avenue, Burlington, VT, 05405, USA
- University of Vermont Cancer Center, University of Vermont Larner College of Medicine, Burlington, VT, 05405, USA
| | - Jane B Lian
- Department of Biochemistry and University of Vermont Cancer Center, Larner College of Medicine at the University of Vermont, 89 Beaumont Avenue, Burlington, VT, 05405, USA
- University of Vermont Cancer Center, University of Vermont Larner College of Medicine, Burlington, VT, 05405, USA
| | - Gary S Stein
- Department of Biochemistry and University of Vermont Cancer Center, Larner College of Medicine at the University of Vermont, 89 Beaumont Avenue, Burlington, VT, 05405, USA.
- University of Vermont Cancer Center, University of Vermont Larner College of Medicine, Burlington, VT, 05405, USA.
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Chen Y, Zhang Z, Yang X, Liu A, Liu S, Feng J, Xuan K. Odontogenic MSC Heterogeneity: Challenges and Opportunities for Regenerative Medicine. Front Physiol 2022; 13:827470. [PMID: 35514352 PMCID: PMC9061943 DOI: 10.3389/fphys.2022.827470] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 03/30/2022] [Indexed: 01/09/2023] Open
Abstract
Cellular heterogeneity refers to the genetic and phenotypic differences among cells, which reflect their various fate choices, including viability, proliferation, self-renewal probability, and differentiation into different lineages. In recent years, research on the heterogeneity of mesenchymal stem cells has made some progress. Odontogenic mesenchymal stem cells share the characteristics of mesenchymal stem cells, namely, good accessibility, low immunogenicity and high stemness. In addition, they also exhibit the characteristics of vasculogenesis and neurogenesis, making them attractive for tissue engineering and regenerative medicine. However, the usage of mesenchymal stem cell subgroups differs in different diseases. Furthermore, because of the heterogeneity of odontogenic mesenchymal stem cells, their application in tissue regeneration and disease management is restricted. Findings related to the heterogeneity of odontogenic mesenchymal stem cells urgently need to be summarized, thus, we reviewed studies on odontogenic mesenchymal stem cells and their specific subpopulations, in order to provide indications for further research on the stem cell regenerative therapy.
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Affiliation(s)
- Yuan Chen
- State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, Department of Preventive Dentistry, School of Stomatology, The Fourth Military Medical University, Xi'an, China
| | - Zhaoyichun Zhang
- School of Stomatology, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xiaoxue Yang
- State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, Department of Preventive Dentistry, School of Stomatology, The Fourth Military Medical University, Xi'an, China
| | - Anqi Liu
- State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, Department of Preventive Dentistry, School of Stomatology, The Fourth Military Medical University, Xi'an, China
| | - Shiyu Liu
- State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, Department of Preventive Dentistry, School of Stomatology, The Fourth Military Medical University, Xi'an, China
| | - Jianying Feng
- School of Stomatology, Zhejiang Chinese Medical University, Hangzhou, China
| | - Kun Xuan
- State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, Department of Preventive Dentistry, School of Stomatology, The Fourth Military Medical University, Xi'an, China
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AlHowaish NA, AlSudani DI, AlMuraikhi NA. Evaluation of a hyaluronic acid hydrogel (Restylane Lyft) as a scaffold for dental pulp regeneration in a regenerative endodontic organotype model. Odontology 2022; 110:726-734. [PMID: 35471745 DOI: 10.1007/s10266-022-00710-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 04/11/2022] [Indexed: 12/14/2022]
Abstract
Scaffolds are crucial elements for dental pulp regeneration. Most of the currently used scaffolds in regenerative endodontic procedures (REPs) are unsuitable for chairside clinical use. This study aimed to evaluate the effect of an injectable synthetic scaffold (Restylane Lyft) on human bone marrow mesenchymal stem cell (hBMSC) viability, proliferation, and osteo/dentinogenic differentiation in a regenerative endodontic organotype model (REM). hBMSC were loaded in an REM either alone (hBMSC group) or mixed with the Restylane Lyft scaffold (Restylane/hBMSC group) and cultured in basal culture medium (n = 9/group). hMSC on culture plates served as controls. Cell viability and proliferation were measured using AlamarBlue assay. The loaded REM was cultured in an osteogenic differentiation medium to measure alkaline phosphatase activity (ALP) and examine the expression of the osteo/dentinogenic markers using real-time reverse transcriptase polymerase chain reaction. Cell viability in all groups increased significantly over 5 days. The Restylane/hBMSC group showed significantly higher ALP activity and dentin sialophosphoprotein, osteocalcin, and bone sialoprotein genes expression than the hBMSC and the control groups. Restylane Lyft, a hyaluronic acid (HA) injectable, FDA-approved hydrogel, maintained cell viability and proliferation and promoted osteo/dentinogenic differentiation of hBMSC when cultured in an REM. Henceforth, it could be a promising chairside scaffold material for REPs.
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Affiliation(s)
- Norah A AlHowaish
- Department of Restorative Dental Sciences, College of Dentistry, King Saud University, Riyadh, 11612, Saudi Arabia
| | - Dina I AlSudani
- Department of Restorative Dental Sciences, College of Dentistry, King Saud University, Riyadh, 11612, Saudi Arabia.
| | - Nihal A AlMuraikhi
- Stem Cell Unit, Department of Anatomy, College of Medicine, King Saud University, Riyadh, 11461, Saudi Arabia
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Lehmann J, Narcisi R, Franceschini N, Chatzivasileiou D, Boer CG, Koevoet WJLM, Putavet D, Drabek D, van Haperen R, de Keizer PLJ, van Osch GJVM, Ten Berge D. WNT/beta-catenin signalling interrupts a senescence-induction cascade in human mesenchymal stem cells that restricts their expansion. Cell Mol Life Sci 2022; 79:82. [PMID: 35048158 PMCID: PMC8770385 DOI: 10.1007/s00018-021-04035-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 10/18/2021] [Accepted: 11/09/2021] [Indexed: 12/23/2022]
Abstract
Senescence, the irreversible cell cycle arrest of damaged cells, is accompanied by a deleterious pro-inflammatory senescence-associated secretory phenotype (SASP). Senescence and the SASP are major factors in aging, cancer, and degenerative diseases, and interfere with the expansion of adult cells in vitro, yet little is known about how to counteract their induction and deleterious effects. Paracrine signals are increasingly recognized as important senescence triggers and understanding their regulation and mode of action may provide novel opportunities to reduce senescence-induced inflammation and improve cell-based therapies. Here, we show that the signalling protein WNT3A counteracts the induction of paracrine senescence in cultured human adult mesenchymal stem cells (MSCs). We find that entry into senescence in a small subpopulation of MSCs triggers a secretome that causes a feed-forward signalling cascade that with increasing speed induces healthy cells into senescence. WNT signals interrupt this cascade by repressing cytokines that mediate this induction of senescence. Inhibition of those mediators by interference with NF-κB or interleukin 6 signalling reduced paracrine senescence in absence of WNT3A and promoted the expansion of MSCs. Our work reveals how WNT signals can antagonize senescence and has relevance not only for expansion of adult cells but can also provide new insights into senescence-associated inflammatory and degenerative diseases.
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Affiliation(s)
- Johannes Lehmann
- Department of Otorhinolaryngology and Head and Neck Surgery, Erasmus MC, University Medical Center, Rotterdam, The Netherlands.,Department of Cell Biology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands.,Center for Molecular Medicine, Section Molecular Cancer Research, Division LAB, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Roberto Narcisi
- Department of Orthopaedics and Sports Medicine, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Natasja Franceschini
- Department of Otorhinolaryngology and Head and Neck Surgery, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Danai Chatzivasileiou
- Department of Otorhinolaryngology and Head and Neck Surgery, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Cindy G Boer
- Department of Internal Medicine, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Wendy J L M Koevoet
- Department of Otorhinolaryngology and Head and Neck Surgery, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Diana Putavet
- Center for Molecular Medicine, Section Molecular Cancer Research, Division LAB, University Medical Center Utrecht, Utrecht, The Netherlands.,Department of Genetics, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Dubravka Drabek
- Department of Cell Biology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands.,Harbour Biomed, Rotterdam, the Netherlands
| | - Rien van Haperen
- Department of Cell Biology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands.,Harbour Biomed, Rotterdam, the Netherlands
| | - Peter L J de Keizer
- Center for Molecular Medicine, Section Molecular Cancer Research, Division LAB, University Medical Center Utrecht, Utrecht, The Netherlands.,Department of Genetics, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Gerjo J V M van Osch
- Department of Otorhinolaryngology and Head and Neck Surgery, Erasmus MC, University Medical Center, Rotterdam, The Netherlands.,Department of Orthopaedics and Sports Medicine, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Derk Ten Berge
- Department of Cell Biology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands.
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Figeac F, Tencerova M, Ali D, Andersen TL, Appadoo DRC, Kerckhofs G, Ditzel N, Kowal JM, Rauch A, Kassem M. Impaired bone fracture healing in type 2 diabetes is caused by defective functions of skeletal progenitor cells. Stem Cells 2022; 40:149-164. [DOI: 10.1093/stmcls/sxab011] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 09/17/2021] [Indexed: 11/12/2022]
Abstract
Abstract
The mechanisms of obesity and type 2 diabetes (T2D)-associated impaired fracture healing are poorly studied. In a murine model of T2D reflecting both hyperinsulinemia induced by high fat diet (HFD) and insulinopenia induced by treatment with streptozotocin (STZ), we examined bone healing in a tibia cortical bone defect. A delayed bone healing was observed during hyperinsulinemia as newly formed bone was reduced by – 28.4±7.7% and was associated with accumulation of marrow adipocytes at the defect site +124.06±38.71%, and increased density of SCA1+ (+74.99± 29.19%) but not Runx2 +osteoprogenitor cells. We also observed increased in reactive oxygen species production (+101.82± 33.05%), senescence gene signature (≈106.66± 34.03%) and LAMIN B1 - senescent cell density (+225.18± 43.15%), suggesting accelerated senescence phenotype. During insulinopenia, a more pronounced delayed bone healing was observed with decreased newly formed bone to -34.9± 6.2% which was inversely correlated with glucose levels (R 2=0.48, p<0.004) and callus adipose tissue area (R 2=0.3711, p<0.01). Finally, to investigate the relevance to human physiology, we observed that sera from obese and T2D subjects had disease state-specific inhibitory effects on osteoblast related gene signatures in human bone marrow stromal cells which resulted in inhibition of osteoblast and enhanced adipocyte differentiation. Our data demonstrate that T2D exerts negative effects on bone healing through inhibition of osteoblast differentiation of skeletal stem cells and induction of accelerated bone senescence and that the hyperglycaemia per se and not just insulin levels is detrimental for bone healing.
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Affiliation(s)
- Florence Figeac
- Department of Molecular Endocrinology, KMEB, University of Southern Denmark and Odense University Hospital, Denmark
| | - Michaela Tencerova
- Department of Molecular Endocrinology, KMEB, University of Southern Denmark and Odense University Hospital, Denmark
- Current Molecular Physiology of Bone, Institute of Physiology, the Czech Academy of Sciences, Prague, Czech Republic
| | - Dalia Ali
- Department of Molecular Endocrinology, KMEB, University of Southern Denmark and Odense University Hospital, Denmark
| | - Thomas L Andersen
- Department of Pathology, Odense University Hospital, Odense
- Clinical Cell Biology, Research Unit of Pathology, Department of Clinical Research, University of Southern Denmark, Denmark
- Department of Molecular Medicine, University of Southern Denmark, Denmark
| | | | - Greet Kerckhofs
- Biomechanics lab, Institute of Mechanics, Materials, and Civil Engineering, UCLouvain, Louvain-la-Neuve, Belgium
- Institute for Experimental and Clinical Research, UCLouvain, Woluwe, Belgium
- Department of Material Science and Engineering, KU Leuven, Leuven, Belgium
| | - Nicholas Ditzel
- Department of Molecular Endocrinology, KMEB, University of Southern Denmark and Odense University Hospital, Denmark
| | - Justyna M Kowal
- Department of Molecular Endocrinology, KMEB, University of Southern Denmark and Odense University Hospital, Denmark
| | - Alexander Rauch
- Department of Molecular Endocrinology, KMEB, University of Southern Denmark and Odense University Hospital, Denmark
- Steno Diabetes Center Odense, Odense University Hospital, Odense, Denmark
| | - Moustapha Kassem
- Department of Molecular Endocrinology, KMEB, University of Southern Denmark and Odense University Hospital, Denmark
- Department of Cellular and Molecular Medicine, Danish Stem Cell Center (DanStem), University of Copenhagen, Copenhagen, Denmark
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40
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The additive effect of iloprost on the biological properties of Mineral trioxide aggregate on mesenchymal stem cells. J Dent Sci 2022; 17:225-232. [PMID: 35028042 PMCID: PMC8739256 DOI: 10.1016/j.jds.2021.03.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/28/2021] [Indexed: 12/30/2022] Open
Abstract
Background/purpose Iloprost has been proposed as a potential biomaterial owing to angiogenic and odontogenic properties. However, the liquid form can limit its use during clinical applications. Mineral trioxide aggregate (MTA) has been used for various dental applications in which cell–material interaction is essential. This study aimed to investigate additive effects of iloprost on the biological properties of MTA on the viability, attachment, migration and differentiation of human mesenchymal stem cells (hMSCs). Materials and methods Standardized human dentin disks were prepared. MTA was prepared by mixing distilled water or iloprost solution, and the lumen of the disks was filled with MTA or MTA-iloprost. hMSCs on disk alone and hMSCs on culture plates were used as controls. Cell viability and attachment were measured after 1, 7 and 14 days using AlamarBlue assay and scanning electron microscopy (SEM). Cell migration in MTA or MTA-iloprost extracts was determined using a wound-healing model. Osteogenic differentiation was evaluated by real-time reverse transcriptase polymerase chain reaction for alkaline phosphatase (ALP), bone sialoprotein (BSP), osteocalcin (OCN), and osteopontin (OSP) gene expressions after 7 and 14 days of osteogenic induction. Results Cells on MTA-iloprost surface showed similar viability with MTA at 1 and 14 days but enhanced cellular viability and cell spreading compared to MTA at 7 days (p < 0.05). Cell migration was similar by MTA-iloprost and MTA extracts (p > 0.05). MTAiloprost significantly upregulated BSP, OCN and OSP expressions compared to MTA (p < 0.05). Conclusion The addition of iloprost to MTA improved the initial cell viability and osteogenic potential of hMSCs.
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41
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An K, Cui Y, Zhong X, Li K, Zhang J, Liu H, Wen Z. Immortalized Bone Mesenchymal Stromal Cells With Inducible Galanin Expression Produce Controllable Pain Relief in Neuropathic Rats. Cell Transplant 2022; 31:9636897221103861. [PMID: 35726855 PMCID: PMC9218486 DOI: 10.1177/09636897221103861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Management of chronic pain is one of the most difficult problems in modern practice. Grafted human telomerase reverse transcriptase–immortalized bone marrow mesenchymal stromal cells (hTERT-BMSCs) with inducible galanin (GAL) expression have been considered to be a potentially safe and controllable approach for the alleviation of chronic pain. Therefore, in this study, we aimed to assess the feasibility of hTERT-BMSCs/Tet-on/GAL cells secreting GAL under the transcriptional control of doxycycline (Dox) for controllable pain relief. After transplanted into the subarachnoid space of neuropathic rats induced by spared nerve injury of sciatic nerve, their analgesic actions were investigated by behavioral tests. The results showed that the pain-related behaviors, mechanical allodynia, and thermal hyperalgesia were significantly alleviated during 1 to 7 weeks after grafts of hTERT-BMSCs/Tet-on/GAL cells without motor incoordination. Importantly, these effects could be reversed by GAL receptor antagonist M35 and regulated by Dox induction as compared with control. Moreover, the GAL level in cerebrospinal fluid and spinal GAL receptor 1 (GalR1) expression were correlated with Dox administration, but not GAL receptor 2 (GalR2). Meanwhile, spinal protein kinase Mζ (PKMζ) expression was also inhibited significantly. Taken together, these data suggest that inducible release of GAL from transplanted cells was able to produce controllable pain relief in neuropathic rats via inhibiting the PKMζ activation and activating its GalR1 rather than GalR2. This provides a promising step toward a novel stem cell–based strategy for pain therapy.
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Affiliation(s)
- Ke An
- Department of Anesthesiology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Yingpeng Cui
- Department of Laboratory Medicine, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Xiaolong Zhong
- Department of Anesthesiology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.,Department of Anesthesiology, Guangzhou First people's Hospital, Guangzhou, China
| | - Kunhe Li
- Department of Anesthesiology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Jinjun Zhang
- Department of Anesthesiology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Huiping Liu
- Department of Anesthesiology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.,Department of Anesthesiology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Zhishuang Wen
- Department of Anesthesiology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
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42
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Weng Z, Wang Y, Ouchi T, Liu H, Qiao X, Wu C, Zhao Z, Li L, Li B. OUP accepted manuscript. Stem Cells Transl Med 2022; 11:356-371. [PMID: 35485439 PMCID: PMC9052415 DOI: 10.1093/stcltm/szac004] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 12/19/2021] [Indexed: 11/14/2022] Open
Affiliation(s)
| | | | - Takehito Ouchi
- Department of Physiology, Tokyo Dental College, Tokyo, Japan
| | - Hanghang Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Oral Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, People’s Republic of China
| | - Xianghe Qiao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, People’s Republic of China
| | - Chenzhou Wu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, People’s Republic of China
| | - Zhihe Zhao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, People’s Republic of China
| | - Longjiang Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, People’s Republic of China
| | - Bo Li
- Corresponding author: Bo Li, DDS, PhD, State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, No.14, 3rd Section of Ren Min Nan Rd. Chengdu, Sichuan 610041, People’s Republic of China.
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43
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Assessment of the effect of silica calcium phosphate nanocomposite on mesenchymal stromal cell differentiation and bone regeneration in critical size defect. Saudi Dent J 2021; 33:1119-1125. [PMID: 34938057 PMCID: PMC8665165 DOI: 10.1016/j.sdentj.2021.03.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/08/2021] [Accepted: 03/09/2021] [Indexed: 11/21/2022] Open
Abstract
Objective The research was designed to assess silica calcium phosphate nanocomposite (SCPC) biocompatibility and bioactivity as an osteoinductive scaffold and cell carrier. Consequently, the ability of cell seeded SCPC implant to regenerate a critical size defect in rat calvarium. Materials and Methods The study was conducted in two parts. A series of in vitro experiments on bone marrow stromal cells (MSCs) seeded in the SCPC scaffold evaluated cell attachment, proliferation and osteogenic differentiation. In the second part, a cell seeded SCPC construct was implanted in rat calvarium and bone regeneration was assessed by histological examination to evaluate the newly formed bone quality and the residual graft volume. Results In vitro experimentation revealed that MSCs cultured on SCPC maintained viability and proliferation when seeded into the SCPC. Scanning electron microscopy demonstrated cell adhesion and calcium appetite formation, MSCs differentiated towards the osteogenic lineage as indicated by the upregulation of RUNX2, ALP, Col1a1 markers. Histological examination showed regeneration from the periphery and core of the defect with new bone formation at different stages of maturation. Conclusion Regenerative medicine delivers promising solutions and technologies for application in craniofacial reconstruction. SCPC scaffold has the potential to be used as a cell carrier to achieve stem cell-based bone regeneration, which provides a viable alternative for treatment of challenging critical size defect.
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44
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Akimov SS, Jiang M, Kedaigle AJ, Arbez N, Marque LO, Eddings CR, Ranum PT, Whelan E, Tang A, Wang R, DeVine LR, Talbot CC, Cole RN, Ratovitski T, Davidson BL, Fraenkel E, Ross CA. Immortalized striatal precursor neurons from Huntington's disease patient-derived iPS cells as a platform for target identification and screening for experimental therapeutics. Hum Mol Genet 2021; 30:2469-2487. [PMID: 34296279 PMCID: PMC8643509 DOI: 10.1093/hmg/ddab200] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 07/08/2021] [Accepted: 07/09/2021] [Indexed: 11/12/2022] Open
Abstract
We have previously established induced pluripotent stem cell (iPSC) models of Huntington's disease (HD), demonstrating CAG-repeat-expansion-dependent cell biological changes and toxicity. However, the current differentiation protocols are cumbersome and time consuming, making preparation of large quantities of cells for biochemical or screening assays difficult. Here, we report the generation of immortalized striatal precursor neurons (ISPNs) with normal (33) and expanded (180) CAG repeats from HD iPSCs, differentiated to a phenotype resembling medium spiny neurons (MSN), as a proof of principle for a more tractable patient-derived cell model. For immortalization, we used co-expression of the enzymatic component of telomerase hTERT and conditional expression of c-Myc. ISPNs can be propagated as stable adherent cell lines, and rapidly differentiated into highly homogeneous MSN-like cultures within 2 weeks, as demonstrated by immunocytochemical criteria. Differentiated ISPNs recapitulate major HD-related phenotypes of the parental iPSC model, including brain-derived neurotrophic factor (BDNF)-withdrawal-induced cell death that can be rescued by small molecules previously validated in the parental iPSC model. Proteome and RNA-seq analyses demonstrate separation of HD versus control samples by principal component analysis. We identified several networks, pathways, and upstream regulators, also found altered in HD iPSCs, other HD models, and HD patient samples. HD ISPN lines may be useful for studying HD-related cellular pathogenesis, and for use as a platform for HD target identification and screening experimental therapeutics. The described approach for generation of ISPNs from differentiated patient-derived iPSCs could be applied to a larger allelic series of HD cell lines, and to comparable modeling of other genetic disorders.
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Affiliation(s)
- Sergey S Akimov
- Division of Neurobiology, Department of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Mali Jiang
- Division of Neurobiology, Department of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Amanda J Kedaigle
- Department of Biological Engineering, Computational and Systems Biology Graduate Program, Massachusetts Institute of Technology, Cambridge, MA 02142, USA
| | - Nicolas Arbez
- Division of Neurobiology, Department of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Leonard O Marque
- Division of Neurobiology, Department of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Chelsy R Eddings
- Division of Neurobiology, Department of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Paul T Ranum
- The Department of Pathology and Laboratory Medicine, The University of Pennsylvania, The Raymond G Perelman Center for Cellular and Molecular Therapeutics, The Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Emma Whelan
- Division of Neurobiology, Department of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Anthony Tang
- Division of Neurobiology, Department of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Ronald Wang
- Division of Neurobiology, Department of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Lauren R DeVine
- Mass Spectrometry and Proteomics Facility, Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Conover C Talbot
- The Johns Hopkins School of Medicine, Institute for Basic Biomedical Sciences, Baltimore, MD 21205, USA
| | - Robert N Cole
- Mass Spectrometry and Proteomics Facility, Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Tamara Ratovitski
- Division of Neurobiology, Department of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Beverly L Davidson
- The Department of Pathology and Laboratory Medicine, The University of Pennsylvania, The Raymond G Perelman Center for Cellular and Molecular Therapeutics, The Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
- The Department of Pathology and Laboratory Medicine, The University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Ernest Fraenkel
- Department of Biological Engineering, Computational and Systems Biology Graduate Program, Massachusetts Institute of Technology, Cambridge, MA 02142, USA
| | - Christopher A Ross
- Division of Neurobiology, Department of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
- Department of Neurology, Neuroscience and Pharmacology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
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45
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Franko N, Teixeira AP, Xue S, Charpin-El Hamri G, Fussenegger M. Design of modular autoproteolytic gene switches responsive to anti-coronavirus drug candidates. Nat Commun 2021; 12:6786. [PMID: 34811361 PMCID: PMC8609006 DOI: 10.1038/s41467-021-27072-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 10/20/2021] [Indexed: 11/28/2022] Open
Abstract
The main (Mpro) and papain-like (PLpro) proteases encoded by SARS-CoV-2 are essential to process viral polyproteins into functional units, thus representing key targets for anti-viral drug development. There is a need for an efficient inhibitor screening system that can identify drug candidates in a cellular context. Here we describe modular, tunable autoproteolytic gene switches (TAGS) relying on synthetic transcription factors that self-inactivate, unless in the presence of coronavirus protease inhibitors, consequently activating transgene expression. TAGS rapidly report the impact of drug candidates on Mpro and PLpro activities with a high signal-to-noise response and a sensitivity matching concentration ranges inhibiting viral replication. The modularity of the TAGS enabled the study of other Coronaviridae proteases, characterization of mutations and multiplexing of gene switches in human cells. Mice implanted with Mpro or PLpro TAGS-engineered cells enabled analysis of the activity and bioavailability of protease inhibitors in vivo in a virus-free setting.
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Affiliation(s)
- Nik Franko
- ETH Zurich, Department of Biosystems Science and Engineering, Mattenstrasse 26, CH-4058, Basel, Switzerland
| | - Ana Palma Teixeira
- ETH Zurich, Department of Biosystems Science and Engineering, Mattenstrasse 26, CH-4058, Basel, Switzerland
| | - Shuai Xue
- ETH Zurich, Department of Biosystems Science and Engineering, Mattenstrasse 26, CH-4058, Basel, Switzerland
| | - Ghislaine Charpin-El Hamri
- Département Génie Biologique, Institut Universitaire de Technologie, Université Claude Bernard Lyon 1, F-69622, Villeurbanne, Cedex, France
| | - Martin Fussenegger
- ETH Zurich, Department of Biosystems Science and Engineering, Mattenstrasse 26, CH-4058, Basel, Switzerland.
- University of Basel, Faculty of Life Science, Basel, Switzerland.
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46
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Stefanov B, Teixeira AP, Mansouri M, Bertschi A, Krawczyk K, Hamri GC, Xue S, Fussenegger M. Genetically Encoded Protein Thermometer Enables Precise Electrothermal Control of Transgene Expression. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2101813. [PMID: 34496151 PMCID: PMC8564464 DOI: 10.1002/advs.202101813] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 07/05/2021] [Indexed: 05/25/2023]
Abstract
Body temperature is maintained at around 37 °C in humans, but may rise to 40 °C or more during high-grade fever, which occurs in most adults who are seriously ill. However, endogenous temperature sensors, such as ion channels and heat-shock promoters, are fully activated only at noxious temperatures above this range, making them unsuitable for medical applications. Here, a genetically encoded protein thermometer (human enhanced gene activation thermometer; HEAT) is designed that can trigger transgene expression in the range of 37-40 °C by linking a mutant coiled-coil temperature-responsive protein sensor to a synthetic transcription factor. To validate the construct, a HEAT-transgenic monoclonal human cell line, FeverSense, is generated and it is confirmed that it works as a fever sensor that can temperature- and exposure-time-dependently trigger reporter gene expression in vitro and in vivo. For translational proof of concept, microencapsulated designer cells stably expressing a HEAT-controlled insulin production cassette in a mouse model of type-1 diabetes are subcutaneously implanted and topical heating patches are used to apply heat corresponding to a warm sensation in humans. Insulin release is induced, restoring normoglycemia. Thus, HEAT appears to be suitable for practical electrothermal control of cell-based therapy, and may also have potential for next-generation treatment of fever-associated medical conditions.
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Affiliation(s)
| | - Ana P. Teixeira
- ETH ZürichDepartment of Biosystems Science and EngineeringMattenstrasse 26Basel4058Switzerland
| | - Maysam Mansouri
- ETH ZürichDepartment of Biosystems Science and EngineeringMattenstrasse 26Basel4058Switzerland
| | - Adrian Bertschi
- ETH ZürichDepartment of Biosystems Science and EngineeringMattenstrasse 26Basel4058Switzerland
| | - Krzysztof Krawczyk
- ETH ZürichDepartment of Biosystems Science and EngineeringMattenstrasse 26Basel4058Switzerland
| | | | - Shuai Xue
- ETH ZürichDepartment of Biosystems Science and EngineeringMattenstrasse 26Basel4058Switzerland
| | - Martin Fussenegger
- ETH ZürichDepartment of Biosystems Science and EngineeringMattenstrasse 26Basel4058Switzerland
- University of BaselFaculty of Life ScienceBasel4056Switzerland
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47
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Pigeot S, Klein T, Gullotta F, Dupard SJ, Garcia Garcia A, García-García A, Prithiviraj S, Lorenzo P, Filippi M, Jaquiery C, Kouba L, Asnaghi MA, Raina DB, Dasen B, Isaksson H, Önnerfjord P, Tägil M, Bondanza A, Martin I, Bourgine PE. Manufacturing of Human Tissues as off-the-Shelf Grafts Programmed to Induce Regeneration. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2103737. [PMID: 34486186 DOI: 10.1002/adma.202103737] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 07/18/2021] [Indexed: 06/13/2023]
Abstract
Design criteria for tissue-engineered materials in regenerative medicine include robust biological effectiveness, off-the-shelf availability, and scalable manufacturing under standardized conditions. For bone repair, existing strategies rely on primary autologous cells, associated with unpredictable performance, limited availability and complex logistic. Here, a conceptual shift based on the manufacturing of devitalized human hypertrophic cartilage (HyC), as cell-free material inducing bone formation by recapitulating the developmental process of endochondral ossification, is reported. The strategy relies on a customized human mesenchymal line expressing bone morphogenetic protein-2 (BMP-2), critically required for robust chondrogenesis and concomitant extracellular matrix (ECM) enrichment. Following apoptosis-driven devitalization, lyophilization, and storage, the resulting off-the-shelf cartilage tissue exhibits unprecedented osteoinductive properties, unmatched by synthetic delivery of BMP-2 or by living engineered grafts. Scalability and pre-clinical efficacy are demonstrated by bioreactor-based production and subsequent orthotopic assessment. The findings exemplify the broader paradigm of programming human cell lines as biological factory units to engineer customized ECMs, designed to activate specific regenerative processes.
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Affiliation(s)
- Sébastien Pigeot
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, 4031, Switzerland
- Department of Biomedical Engineering, University Hospital Basel, University of Basel, Basel, 4031, Switzerland
| | - Thibaut Klein
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, 4031, Switzerland
| | - Fabiana Gullotta
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, 4031, Switzerland
- Innovative Immunotherapies Unit, Division of Immunology, Transplantation and Infectious Diseases, San Raffaele Hospital Scientific Institute, Vita-Salute San Raffaele University, Milan, 20132, Italy
| | - Steven J Dupard
- Laboratory for Cell, Tissue, and Organ Engineering, Department of Clinical Sciences, Lund University, Lund, 221 84, Sweden
- Wallenberg Center for Molecular Medicine, Lund University, Lund, 221 84, Sweden
- Stem Cell Center, Lund University, Lund, 221 84, Sweden
| | - Alejandro Garcia Garcia
- Laboratory for Cell, Tissue, and Organ Engineering, Department of Clinical Sciences, Lund University, Lund, 221 84, Sweden
- Wallenberg Center for Molecular Medicine, Lund University, Lund, 221 84, Sweden
- Stem Cell Center, Lund University, Lund, 221 84, Sweden
| | - Andres García-García
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, 4031, Switzerland
| | - Sujeethkumar Prithiviraj
- Laboratory for Cell, Tissue, and Organ Engineering, Department of Clinical Sciences, Lund University, Lund, 221 84, Sweden
- Wallenberg Center for Molecular Medicine, Lund University, Lund, 221 84, Sweden
- Stem Cell Center, Lund University, Lund, 221 84, Sweden
| | - Pilar Lorenzo
- Wallenberg Center for Molecular Medicine, Lund University, Lund, 221 84, Sweden
| | - Miriam Filippi
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, 4031, Switzerland
| | - Claude Jaquiery
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, 4031, Switzerland
| | - Loraine Kouba
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, 4031, Switzerland
| | - M Adelaide Asnaghi
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, 4031, Switzerland
| | - Deepak Bushan Raina
- Department of Clinical Sciences, Orthopedics, Lund University, Lund, 221 84, Sweden
| | - Boris Dasen
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, 4031, Switzerland
| | - Hanna Isaksson
- Department of Clinical Sciences, Orthopedics, Lund University, Lund, 221 84, Sweden
- Department of Biomedical Engineering, Lund University, Lund, 221 84, Sweden
| | - Patrik Önnerfjord
- Rheumatology and Molecular Skeletal Biology, Department of Clinical Sciences, Lund University, Lund, 221 84, Sweden
| | - Magnus Tägil
- Department of Clinical Sciences, Orthopedics, Lund University, Lund, 221 84, Sweden
| | - Attilio Bondanza
- Innovative Immunotherapies Unit, Division of Immunology, Transplantation and Infectious Diseases, San Raffaele Hospital Scientific Institute, Vita-Salute San Raffaele University, Milan, 20132, Italy
| | - Ivan Martin
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, 4031, Switzerland
- Department of Biomedical Engineering, University Hospital Basel, University of Basel, Basel, 4031, Switzerland
| | - Paul E Bourgine
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, 4031, Switzerland
- Laboratory for Cell, Tissue, and Organ Engineering, Department of Clinical Sciences, Lund University, Lund, 221 84, Sweden
- Wallenberg Center for Molecular Medicine, Lund University, Lund, 221 84, Sweden
- Stem Cell Center, Lund University, Lund, 221 84, Sweden
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Piñeiro-Ramil M, Sanjurjo-Rodríguez C, Rodríguez-Fernández S, Castro-Viñuelas R, Hermida-Gómez T, Blanco-García FJ, Fuentes-Boquete I, Díaz-Prado S. Generation of Mesenchymal Cell Lines Derived from Aged Donors. Int J Mol Sci 2021; 22:10667. [PMID: 34639008 PMCID: PMC8508916 DOI: 10.3390/ijms221910667] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 09/21/2021] [Accepted: 09/29/2021] [Indexed: 02/07/2023] Open
Abstract
Background: Mesenchymal stromal cells (MSCs) have the capacity for self-renewal and multi-differentiation, and for this reason they are considered a potential cellular source in regenerative medicine of cartilage and bone. However, research on this field is impaired by the predisposition of primary MSCs to senescence during culture expansion. Therefore, the aim of this study was to generate and characterize immortalized MSC (iMSC) lines from aged donors. Methods: Primary MSCs were immortalized by transduction of simian virus 40 large T antigen (SV40LT) and human telomerase reverse transcriptase (hTERT). Proliferation, senescence, phenotype and multi-differentiation potential of the resulting iMSC lines were analyzed. Results: MSCs proliferate faster than primary MSCs, overcome senescence and are phenotypically similar to primary MSCs. Nevertheless, their multi-differentiation potential is unbalanced towards the osteogenic lineage. There are no clear differences between osteoarthritis (OA) and non-OA iMSCs in terms of proliferation, senescence, phenotype or differentiation potential. Conclusions: Primary MSCs obtained from elderly patients can be immortalized by transduction of SV40LT and hTERT. The high osteogenic potential of iMSCs converts them into an excellent cellular source to take part in in vitro models to study bone tissue engineering.
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Affiliation(s)
- María Piñeiro-Ramil
- Grupo de Investigación en Terapia Celular y Medicina Regenerativa, Departamento de Fisioterapia, Medicina y Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidade da Coruña (UDC), Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Servizo Galego de Saúde (SERGAS), 15006 A Coruña, Spain; (M.P.-R.); (C.S.-R.); (S.R.-F.); (R.C.-V.); (I.F.-B.)
- Centro de Investigaciones Científicas Avanzadas (CICA), Universidade da Coruña, 15071 A Coruña, Spain; (T.H.-G.); (F.J.B.-G.)
| | - Clara Sanjurjo-Rodríguez
- Grupo de Investigación en Terapia Celular y Medicina Regenerativa, Departamento de Fisioterapia, Medicina y Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidade da Coruña (UDC), Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Servizo Galego de Saúde (SERGAS), 15006 A Coruña, Spain; (M.P.-R.); (C.S.-R.); (S.R.-F.); (R.C.-V.); (I.F.-B.)
- Centro de Investigaciones Científicas Avanzadas (CICA), Universidade da Coruña, 15071 A Coruña, Spain; (T.H.-G.); (F.J.B.-G.)
- Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), 28029 Madrid, Spain
| | - Silvia Rodríguez-Fernández
- Grupo de Investigación en Terapia Celular y Medicina Regenerativa, Departamento de Fisioterapia, Medicina y Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidade da Coruña (UDC), Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Servizo Galego de Saúde (SERGAS), 15006 A Coruña, Spain; (M.P.-R.); (C.S.-R.); (S.R.-F.); (R.C.-V.); (I.F.-B.)
- Centro de Investigaciones Científicas Avanzadas (CICA), Universidade da Coruña, 15071 A Coruña, Spain; (T.H.-G.); (F.J.B.-G.)
| | - Rocío Castro-Viñuelas
- Grupo de Investigación en Terapia Celular y Medicina Regenerativa, Departamento de Fisioterapia, Medicina y Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidade da Coruña (UDC), Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Servizo Galego de Saúde (SERGAS), 15006 A Coruña, Spain; (M.P.-R.); (C.S.-R.); (S.R.-F.); (R.C.-V.); (I.F.-B.)
- Centro de Investigaciones Científicas Avanzadas (CICA), Universidade da Coruña, 15071 A Coruña, Spain; (T.H.-G.); (F.J.B.-G.)
| | - Tamara Hermida-Gómez
- Centro de Investigaciones Científicas Avanzadas (CICA), Universidade da Coruña, 15071 A Coruña, Spain; (T.H.-G.); (F.J.B.-G.)
- Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), 28029 Madrid, Spain
- Grupo de Investigación en Reumatología (GIR), Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario da Coruña (UDC-CHUAC), Servizo Galego de Saúde (SERGAS), 15006 A Coruña, Spain
| | - Francisco J. Blanco-García
- Centro de Investigaciones Científicas Avanzadas (CICA), Universidade da Coruña, 15071 A Coruña, Spain; (T.H.-G.); (F.J.B.-G.)
- Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), 28029 Madrid, Spain
- Grupo de Investigación en Reumatología (GIR), Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario da Coruña (UDC-CHUAC), Servizo Galego de Saúde (SERGAS), 15006 A Coruña, Spain
| | - Isaac Fuentes-Boquete
- Grupo de Investigación en Terapia Celular y Medicina Regenerativa, Departamento de Fisioterapia, Medicina y Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidade da Coruña (UDC), Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Servizo Galego de Saúde (SERGAS), 15006 A Coruña, Spain; (M.P.-R.); (C.S.-R.); (S.R.-F.); (R.C.-V.); (I.F.-B.)
- Centro de Investigaciones Científicas Avanzadas (CICA), Universidade da Coruña, 15071 A Coruña, Spain; (T.H.-G.); (F.J.B.-G.)
- Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), 28029 Madrid, Spain
| | - Silvia Díaz-Prado
- Grupo de Investigación en Terapia Celular y Medicina Regenerativa, Departamento de Fisioterapia, Medicina y Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidade da Coruña (UDC), Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Servizo Galego de Saúde (SERGAS), 15006 A Coruña, Spain; (M.P.-R.); (C.S.-R.); (S.R.-F.); (R.C.-V.); (I.F.-B.)
- Centro de Investigaciones Científicas Avanzadas (CICA), Universidade da Coruña, 15071 A Coruña, Spain; (T.H.-G.); (F.J.B.-G.)
- Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), 28029 Madrid, Spain
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49
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Mesenchymal stem cells from biology to therapy. Emerg Top Life Sci 2021; 5:539-548. [PMID: 34355761 PMCID: PMC8639183 DOI: 10.1042/etls20200303] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 05/30/2021] [Accepted: 07/21/2021] [Indexed: 01/07/2023]
Abstract
Mesenchymal stem cells are as fascinating as they are enigmatic. They appear capable of performing a wide array of functions that cross skeletal biology, immunology and haematology. As therapeutics, mesenchymal stem cells or even just their secreted products may be used to regenerate tissue lost through injury or disease and suppress damaging immune reactions. However, these cells lack unique markers and are hard to identify and isolate as pure cell populations. They are often grown in laboratories using basic and undefined culture conditions. We cannot even agree on their name. While mesenchymal stem cells may lack the developmental understanding and defined differentiation hierarchies of their more illustrious stem cell cousins, they offer a compelling scientific challenge. In depth understanding of mesenchymal stem cell biology will enable us to exploit fully one of the most clinically valuable cell sources.
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50
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Skov‐Jeppesen K, Hepp N, Oeke J, Hansen MS, Jafari A, Svane MS, Balenga N, Olson JA, Frost M, Kassem M, Madsbad S, Beck Jensen J, Holst JJ, Rosenkilde MM, Hartmann B. The Antiresorptive Effect of GIP, But Not GLP-2, Is Preserved in Patients With Hypoparathyroidism-A Randomized Crossover Study. J Bone Miner Res 2021; 36:1448-1458. [PMID: 33852173 PMCID: PMC8338760 DOI: 10.1002/jbmr.4308] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 03/17/2021] [Accepted: 04/08/2021] [Indexed: 01/20/2023]
Abstract
Glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-2 (GLP-2) are gut hormones secreted postprandially. In healthy humans, both hormones decrease bone resorption accompanied by a rapid reduction in parathyroid hormone (PTH). The aim of this study was to investigate whether the changes in bone turnover after meal intake and after GIP- and GLP-2 injections, respectively, are mediated via a reduction in PTH secretion. This was tested in female patients with hypoparathyroidism given a standardized liquid mixed-meal test (n = 7) followed by a peptide injection test (n = 4) using a randomized crossover design. We observed that the meal- and GIP- but not the GLP-2-induced changes in bone turnover markers were preserved in the patients with hypoparathyroidism. To understand the underlying mechanisms, we examined the expression of the GIP receptor (GIPR) and the GLP-2 receptor (GLP-2R) in human osteoblasts and osteoclasts as well as in parathyroid tissue. The GIPR was expressed in both human osteoclasts and osteoblasts, whereas the GLP-2R was absent or only weakly expressed in osteoclasts. Furthermore, both GIPR and GLP-2R were expressed in parathyroid tissue. Our findings suggest that the GIP-induced effect on bone turnover may be mediated directly via GIPR expressed in osteoblasts and osteoclasts and that this may occur independent of PTH. In contrast, the effect of GLP-2 on bone turnover seems to depend on changes in PTH and may be mediated through GLP-2R in the parathyroid gland. © 2021 The Authors. Journal of Bone and Mineral Research published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Kirsa Skov‐Jeppesen
- Department of Biomedical SciencesUniversity of CopenhagenCopenhagenDenmark
- Novo Nordisk Foundation Center for Basic Metabolic ResearchUniversity of CopenhagenCopenhagenDenmark
| | - Nicola Hepp
- Department of EndocrinologyHvidovre University HospitalHvidovreDenmark
| | - Jannika Oeke
- Department of Biomedical SciencesUniversity of CopenhagenCopenhagenDenmark
| | - Morten Steen Hansen
- Molecular Endocrinology Unit (KMEB), Department of EndocrinologyOdense University HospitalOdenseDenmark
| | - Abbas Jafari
- Department of Cellular and Molecular Medicine, Novo Nordisk Foundation Center for Stem Cell Biology (Danstem)University of CopenhagenCopenhagenDenmark
| | - Maria Saur Svane
- Department of EndocrinologyHvidovre University HospitalHvidovreDenmark
| | - Nariman Balenga
- Division of General and Oncologic Surgery, Department of Surgery, Marlene and Stewart Greenebaum Comprehensive Cancer CenterUniversity of Maryland School of MedicineBaltimoreMDUSA
| | - John A Olson
- Division of General and Oncologic Surgery, Department of Surgery, Marlene and Stewart Greenebaum Comprehensive Cancer CenterUniversity of Maryland School of MedicineBaltimoreMDUSA
| | - Morten Frost
- Molecular Endocrinology Unit (KMEB), Department of EndocrinologyOdense University HospitalOdenseDenmark
| | - Moustapha Kassem
- Molecular Endocrinology Unit (KMEB), Department of EndocrinologyOdense University HospitalOdenseDenmark
- Department of Cellular and Molecular Medicine, Novo Nordisk Foundation Center for Stem Cell Biology (Danstem)University of CopenhagenCopenhagenDenmark
| | - Sten Madsbad
- Department of EndocrinologyHvidovre University HospitalHvidovreDenmark
| | - Jens‐Erik Beck Jensen
- Department of EndocrinologyHvidovre University HospitalHvidovreDenmark
- Department of Clinical MedicineUniversity of CopenhagenCopenhagenDenmark
| | - Jens Juul Holst
- Department of Biomedical SciencesUniversity of CopenhagenCopenhagenDenmark
- Novo Nordisk Foundation Center for Basic Metabolic ResearchUniversity of CopenhagenCopenhagenDenmark
| | | | - Bolette Hartmann
- Department of Biomedical SciencesUniversity of CopenhagenCopenhagenDenmark
- Novo Nordisk Foundation Center for Basic Metabolic ResearchUniversity of CopenhagenCopenhagenDenmark
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