1
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Lee H, Yang S, Lee KJ, Kim SN, Jeong JS, Kim KY, Jung CR, Jeon S, Kwon D, Lee S, Lee H, Park C, Ahn SJ, Yoo J, Son MY. Standardization and quality assessment for human intestinal organoids. Front Cell Dev Biol 2024; 12:1383893. [PMID: 39329062 PMCID: PMC11424408 DOI: 10.3389/fcell.2024.1383893] [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: 02/08/2024] [Accepted: 05/02/2024] [Indexed: 09/28/2024] Open
Abstract
To enhance the practical application of intestinal organoids, it is imperative to establish standardized guidelines. This proposed standardization outlines a comprehensive framework to ensure consistency and reliability in the development, characterization, and application of intestinal organoids. The recommended guidelines encompass crucial parameters, including culture conditions, critical quality attributes, quality control measures, and functional assessments, aimed at fostering a standardized approach across diverse research initiatives. The implementation of these guidelines is anticipated to significantly contribute to the reproducibility and comparability of results in the burgeoning field of intestinal organoid research.
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Affiliation(s)
- Hana Lee
- Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Organoid Standards Initiative (OSI), Department of Biophysics, Institute of Quantum Biophysics, Sungkyunkwan University, Suwon, Republic of Korea
| | - Seunghye Yang
- Organoid Standards Initiative (OSI), Department of Biophysics, Institute of Quantum Biophysics, Sungkyunkwan University, Suwon, Republic of Korea
- ORGANOIDSCIENCES, Seongnam-si, Republic of Korea
| | - Kyung Jin Lee
- Organoid Standards Initiative (OSI), Department of Biophysics, Institute of Quantum Biophysics, Sungkyunkwan University, Suwon, Republic of Korea
- ORGANOIDSCIENCES, Seongnam-si, Republic of Korea
| | - Si-Na Kim
- ORGANOIDSCIENCES, Seongnam-si, Republic of Korea
| | - Ji-Seon Jeong
- Organoid Standards Initiative (OSI), Department of Biophysics, Institute of Quantum Biophysics, Sungkyunkwan University, Suwon, Republic of Korea
- Korea Research Institute of Standards and Science (KRISS), Daejeon, Republic of Korea
| | - Ki Young Kim
- Organoid Standards Initiative (OSI), Department of Biophysics, Institute of Quantum Biophysics, Sungkyunkwan University, Suwon, Republic of Korea
- Therapeutics and Biotechnology Division, Korea Research Institute of Chemical Technology, Daejeon, Republic of Korea
| | - Cho-Rok Jung
- Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Organoid Standards Initiative (OSI), Department of Biophysics, Institute of Quantum Biophysics, Sungkyunkwan University, Suwon, Republic of Korea
- KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Sooyeon Jeon
- Digital Health Laboratory, Department of Biophysics, Sungkyunkwan University, Suwon, Republic of Korea
| | - Dayeon Kwon
- Digital Health Laboratory, Department of Biophysics, Sungkyunkwan University, Suwon, Republic of Korea
| | - Sungin Lee
- Digital Health Laboratory, Department of Biophysics, Sungkyunkwan University, Suwon, Republic of Korea
| | - Hanbyeol Lee
- Digital Health Laboratory, Department of Biophysics, Sungkyunkwan University, Suwon, Republic of Korea
| | - Chihye Park
- Digital Health Laboratory, Department of Biophysics, Sungkyunkwan University, Suwon, Republic of Korea
| | - Sun-Ju Ahn
- Organoid Standards Initiative (OSI), Department of Biophysics, Institute of Quantum Biophysics, Sungkyunkwan University, Suwon, Republic of Korea
- Digital Health Laboratory, Department of Biophysics, Sungkyunkwan University, Suwon, Republic of Korea
| | - Jongman Yoo
- Organoid Standards Initiative (OSI), Department of Biophysics, Institute of Quantum Biophysics, Sungkyunkwan University, Suwon, Republic of Korea
- ORGANOIDSCIENCES, Seongnam-si, Republic of Korea
- Department of Microbiology, CHA University School of Medicine, Seongnam-si, Republic of Korea
| | - Mi-Young Son
- Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Organoid Standards Initiative (OSI), Department of Biophysics, Institute of Quantum Biophysics, Sungkyunkwan University, Suwon, Republic of Korea
- KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon, Republic of Korea
- Department of Biological Science, Sungkyunkwan University, Suwon, Republic of Korea
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2
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Li Z, Li X, Lin J, Wang Y, Cao H, Zhou J. Reevaluation by the CRISPR/Cas9 knockout approach revealed that multiple pluripotency-associated lncRNAs are dispensable for pluripotency maintenance while Snora73a/b is essential for pluripotency exit. SCIENCE CHINA. LIFE SCIENCES 2024:10.1007/s11427-023-2594-3. [PMID: 38995489 DOI: 10.1007/s11427-023-2594-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Accepted: 03/15/2024] [Indexed: 07/13/2024]
Abstract
Many long noncoding RNAs (lncRNAs) have been identified through siRNA-based screening as essential regulators of embryonic stem cell (ESC) pluripotency. However, the biological and molecular functions of most lncRNAs remain unclear. Here, we employed CRISPR/Cas9-mediated knockout technology to explore the functions of 8 lncRNAs previously reported to promote pluripotency in mouse ESCs. Unexpectedly, all of these lncRNAs were dispensable for pluripotency maintenance and proliferation in mouse ESCs when disrupted individually or in combination. Single-cell transcriptomic analysis also showed that the knockout of these lncRNAs has a minimal impact on pluripotency gene expression and cell identity. We further showed that several small hairpin RNAs (shRNAs) previously used to knock down lncRNAs caused the downregulation of pluripotency genes in the corresponding lncRNA-knockout ESCs, indicating that off-target effects likely responsible for the pluripotency defects caused by these shRNAs. Interestingly, linc1343-knockout and linc1343-knockdown ESCs failed to form cystic structures and exhibited high expression of pluripotency genes during embryoid body (EB) differentiation. By reintroducing RNA products generated from the linc1343 locus, we found that two snoRNAs, Snora73a and Snora73b, but not lncRNAs, could rescue pluripotency silencing defects during EB differentiation of linc1343 knockout ESCs. Our results suggest that the 8 previously annotated pluripotency-regulating lncRNAs have no overt functions in conventional ESC culture; however, we identified snoRNA products derived from an annotated lncRNA locus as essential regulators for silencing pluripotency genes.
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Affiliation(s)
- Zhen Li
- Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing, 100871, China
| | - Xuefei Li
- Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China
| | - Jingxia Lin
- Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China
| | - Yangming Wang
- Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing, 100871, China
- Beijing Advanced Center of RNA Biology (BEACON), Peking University, Beijing, 100871, China
| | - Huiqing Cao
- Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing, 100871, China.
| | - Jiajian Zhou
- Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China.
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3
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Feng X, Zhang H, Yang S, Cui D, Wu Y, Qi X, Su Z. From stem cells to pancreatic β-cells: strategies, applications, and potential treatments for diabetes. Mol Cell Biochem 2024:10.1007/s11010-024-04999-x. [PMID: 38642274 DOI: 10.1007/s11010-024-04999-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 03/21/2024] [Indexed: 04/22/2024]
Abstract
Loss and functional failure of pancreatic β-cells results in disruption of glucose homeostasis and progression of diabetes. Although whole pancreas or pancreatic islet transplantation serves as a promising approach for β-cell replenishment and diabetes therapy, the severe scarcity of donor islets makes it unattainable for most diabetic patients. Stem cells, particularly induced pluripotent stem cells (iPSCs), are promising for the treatment of diabetes owing to their self-renewal capacity and ability to differentiate into functional β-cells. In this review, we first introduce the development of functional β-cells and their heterogeneity and then turn to highlight recent advances in the generation of β-cells from stem cells and their potential applications in disease modeling, drug discovery and clinical therapy. Finally, we have discussed the current challenges in developing stem cell-based therapeutic strategies for improving the treatment of diabetes. Although some significant technical hurdles remain, stem cells offer great hope for patients with diabetes and will certainly transform future clinical practice.
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Affiliation(s)
- Xingrong Feng
- Molecular Medicine Research Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, 610041, China
| | - Hongmei Zhang
- Molecular Medicine Research Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, 610041, China
| | - Shanshan Yang
- Molecular Medicine Research Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, 610041, China
| | - Daxin Cui
- Molecular Medicine Research Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, 610041, China
| | - Yanting Wu
- Molecular Medicine Research Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, 610041, China
| | - Xiaocun Qi
- Molecular Medicine Research Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, 610041, China
| | - Zhiguang Su
- Molecular Medicine Research Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, 610041, China.
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4
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Alasaadi DN, Alvizi L, Hartmann J, Stillman N, Moghe P, Hiiragi T, Mayor R. Competence for neural crest induction is controlled by hydrostatic pressure through Yap. Nat Cell Biol 2024; 26:530-541. [PMID: 38499770 PMCID: PMC11021196 DOI: 10.1038/s41556-024-01378-y] [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: 08/03/2023] [Accepted: 02/15/2024] [Indexed: 03/20/2024]
Abstract
Embryonic induction is a key mechanism in development that corresponds to an interaction between a signalling and a responding tissue, causing a change in the direction of differentiation by the responding tissue. Considerable progress has been achieved in identifying inductive signals, yet how tissues control their responsiveness to these signals, known as competence, remains poorly understood. While the role of molecular signals in competence has been studied, how tissue mechanics influence competence remains unexplored. Here we investigate the role of hydrostatic pressure in controlling competence in neural crest cells, an embryonic cell population. We show that neural crest competence decreases concomitantly with an increase in the hydrostatic pressure of the blastocoel, an embryonic cavity in contact with the prospective neural crest. By manipulating hydrostatic pressure in vivo, we show that this increase leads to the inhibition of Yap signalling and impairs Wnt activation in the responding tissue, which would be required for neural crest induction. We further show that hydrostatic pressure controls neural crest induction in amphibian and mouse embryos and in human cells, suggesting a conserved mechanism across vertebrates. Our work sets out how tissue mechanics can interplay with signalling pathways to regulate embryonic competence.
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Affiliation(s)
- Delan N Alasaadi
- Department of Cell and Developmental Biology, University College London, London, UK
| | - Lucas Alvizi
- Department of Cell and Developmental Biology, University College London, London, UK
| | - Jonas Hartmann
- Department of Cell and Developmental Biology, University College London, London, UK
| | - Namid Stillman
- Department of Cell and Developmental Biology, University College London, London, UK
| | - Prachiti Moghe
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences, Utrecht, The Netherlands
- Collaboration for joint PhD degree between the European Molecular Biology Laboratory (EMBL) and Heidelberg University, Faculty of Biosciences, Heidelberg, Germany
| | - Takashi Hiiragi
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences, Utrecht, The Netherlands
- Institute for the Advanced Study of Human Biology, Kyoto University, Kyoto, Japan
| | - Roberto Mayor
- Department of Cell and Developmental Biology, University College London, London, UK.
- Center for Integrative Biology, Faculty of Sciences, Universidad Mayor, Santiago, Chile.
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5
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Mohapatra O, Gopu M, Ashraf R, Easo George J, Patil S, Mukherjee R, Kumar S, Mampallil D. Spheroids formation in large drops suspended in superhydrophobic paper cones. BIOMICROFLUIDICS 2024; 18:024107. [PMID: 38606014 PMCID: PMC11006428 DOI: 10.1063/5.0197807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Accepted: 03/24/2024] [Indexed: 04/13/2024]
Abstract
The utilization of 3D cell culture for spheroid formation holds significant implications in cancer research, contributing to a fundamental understanding of the disease and aiding drug development. Conventional methods such as the hanging drop technique and other alternatives encounter limitations due to smaller drop volumes, leading to nutrient starvation and restricted culture duration. In this study, we present a straightforward approach to creating superhydrophobic paper cones capable of accommodating large volumes of culture media drops. These paper cones have sterility, autoclavability, and bacterial repellent properties. Leveraging these attributes, we successfully generate large spheroids of ovarian cancer cells and, as a proof of concept, conduct drug screening to assess the impact of carboplatin. Thus, our method enables the preparation of flexible superhydrophobic surfaces for laboratory applications in an expeditious manner, exemplified here through spheroid formation and drug screening demonstrations.
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Affiliation(s)
- Omkar Mohapatra
- Department of Physics, Indian Institute of Science Education and Research Tirupati, Mangalam P.O., 517507 Tirupati, AP, India
| | - Maheshwar Gopu
- Department of Physics, Indian Institute of Science Education and Research Tirupati, Mangalam P.O., 517507 Tirupati, AP, India
| | - Rahail Ashraf
- Department of Biology, Indian Institute of Science Education and Research Tirupati, Mangalam P.O., 517507 Tirupati, AP, India
| | - Jijo Easo George
- Department of Physics, Indian Institute of Science Education and Research Tirupati, Mangalam P.O., 517507 Tirupati, AP, India
| | - Saniya Patil
- Department of Biology, Indian Institute of Science Education and Research Tirupati, Mangalam P.O., 517507 Tirupati, AP, India
| | - Raju Mukherjee
- Department of Biology, Indian Institute of Science Education and Research Tirupati, Mangalam P.O., 517507 Tirupati, AP, India
| | - Sanjay Kumar
- Department of Biology, Indian Institute of Science Education and Research Tirupati, Mangalam P.O., 517507 Tirupati, AP, India
| | - Dileep Mampallil
- Department of Physics, Indian Institute of Science Education and Research Tirupati, Mangalam P.O., 517507 Tirupati, AP, India
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6
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Terzi Cizmecioglu N. Roles and Regulation of H3K4 Methylation During Mammalian Early Embryogenesis and Embryonic Stem Cell Differentiation. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024. [PMID: 38231346 DOI: 10.1007/5584_2023_794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
From generation of germ cells, fertilization, and throughout early mammalian embryonic development, the chromatin undergoes significant alterations to enable precise regulation of gene expression and genome use. Methylation of histone 3 lysine 4 (H3K4) correlates with active regions of the genome, and it has emerged as a dynamic mark throughout this timeline. The pattern and the level of H3K4 methylation are regulated by methyltransferases and demethylases. These enzymes, as well as their protein partners, play important roles in early embryonic development and show phenotypes in embryonic stem cell self-renewal and differentiation. The various roles of H3K4 methylation are interpreted by dedicated chromatin reader proteins, linking this modification to broader molecular and cellular phenotypes. In this review, we discuss the regulation of different levels of H3K4 methylation, their distinct accumulation pattern, and downstream molecular roles with an early embryogenesis perspective.
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7
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Kitamura T, Misu M, Yoshikawa M, Ouji Y. Differentiation of embryonic stem cells into lung-like cells using lung-derived matrix sheets. Biochem Biophys Res Commun 2023; 686:149197. [PMID: 37924668 DOI: 10.1016/j.bbrc.2023.149197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 10/17/2023] [Accepted: 10/30/2023] [Indexed: 11/06/2023]
Abstract
Various extracellular matrix (ECM) in the lungs regulate tissue development and homeostasis, as well as provide support for cell structures. However, few studies regarding the effects of lung cell differentiation using lung-derived ECM (LM) alone have been reported. The present study investigated the capability of lung-derived matrix sheets (LMSs) to induce lung cell differentiation using mouse embryonic stem (ES) cells. Expressions of lung-related cell markers were significantly upregulated in ES-derived embryoid bodies (EBs) cultured on an LMS for two weeks. Moreover, immunohistochemical analysis of EBs grown on LMSs revealed differentiation of various lung-related cells. These results suggest that an LMS can be used to promote differentiation of stem cells into lung cells.
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Affiliation(s)
- Tomotaka Kitamura
- Department of Pathogen, Infection and Immunity, Nara Medical University, Kashihara, Nara, Japan
| | - Masayasu Misu
- Department of Pathogen, Infection and Immunity, Nara Medical University, Kashihara, Nara, Japan
| | - Masahide Yoshikawa
- Department of Pathogen, Infection and Immunity, Nara Medical University, Kashihara, Nara, Japan
| | - Yukiteru Ouji
- Department of Pathogen, Infection and Immunity, Nara Medical University, Kashihara, Nara, Japan.
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8
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Ryu S, Weber C, Chu PH, Ernest B, Jovanovic VM, Deng T, Slamecka J, Hong H, Jethmalani Y, Baskir HM, Inman J, Braisted J, Hirst MB, Simeonov A, Voss TC, Tristan CA, Singeç I. Stress-free cell aggregation by using the CEPT cocktail enhances embryoid body and organoid fitness. Biofabrication 2023; 16:015016. [PMID: 37972398 DOI: 10.1088/1758-5090/ad0d13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 11/16/2023] [Indexed: 11/19/2023]
Abstract
Embryoid bodies (EBs) and self-organizing organoids derived from human pluripotent stem cells (hPSCs) recapitulate tissue development in a dish and hold great promise for disease modeling and drug development. However, current protocols are hampered by cellular stress and apoptosis during cell aggregation, resulting in variability and impaired cell differentiation. Here, we demonstrate that EBs and various organoid models (e.g., brain, gut, kidney) can be optimized by using the small molecule cocktail named CEPT (chroman 1, emricasan, polyamines, trans-ISRIB), a polypharmacological approach that ensures cytoprotection and cell survival. Application of CEPT for just 24 h during cell aggregation has long-lasting consequences affecting morphogenesis, gene expression, cellular differentiation, and organoid function. Various qualification methods confirmed that CEPT treatment enhanced experimental reproducibility and consistently improved EB and organoid fitness as compared to the widely used ROCK inhibitor Y-27632. Collectively, we discovered that stress-free cell aggregation and superior cell survival in the presence of CEPT are critical quality control determinants that establish a robust foundation for bioengineering complex tissue and organ models.
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Affiliation(s)
- Seungmi Ryu
- National Center for Advancing Translational Sciences (NCATS), Stem Cell Translation Laboratory (SCTL), National Institutes of Health (NIH), Rockville, MD 20850, United States of America
| | - Claire Weber
- National Center for Advancing Translational Sciences (NCATS), Stem Cell Translation Laboratory (SCTL), National Institutes of Health (NIH), Rockville, MD 20850, United States of America
| | - Pei-Hsuan Chu
- National Center for Advancing Translational Sciences (NCATS), Stem Cell Translation Laboratory (SCTL), National Institutes of Health (NIH), Rockville, MD 20850, United States of America
| | - Ben Ernest
- Rancho Biosciences, 16955 Via Del Campo, #200, San Diego, CA 92127, United States of America
| | - Vukasin M Jovanovic
- National Center for Advancing Translational Sciences (NCATS), Stem Cell Translation Laboratory (SCTL), National Institutes of Health (NIH), Rockville, MD 20850, United States of America
| | - Tao Deng
- National Center for Advancing Translational Sciences (NCATS), Stem Cell Translation Laboratory (SCTL), National Institutes of Health (NIH), Rockville, MD 20850, United States of America
| | - Jaroslav Slamecka
- National Center for Advancing Translational Sciences (NCATS), Stem Cell Translation Laboratory (SCTL), National Institutes of Health (NIH), Rockville, MD 20850, United States of America
| | - Hyenjong Hong
- National Center for Advancing Translational Sciences (NCATS), Stem Cell Translation Laboratory (SCTL), National Institutes of Health (NIH), Rockville, MD 20850, United States of America
| | - Yogita Jethmalani
- National Center for Advancing Translational Sciences (NCATS), Stem Cell Translation Laboratory (SCTL), National Institutes of Health (NIH), Rockville, MD 20850, United States of America
| | - Hannah M Baskir
- National Center for Advancing Translational Sciences (NCATS), Stem Cell Translation Laboratory (SCTL), National Institutes of Health (NIH), Rockville, MD 20850, United States of America
| | - Jason Inman
- National Center for Advancing Translational Sciences (NCATS), Stem Cell Translation Laboratory (SCTL), National Institutes of Health (NIH), Rockville, MD 20850, United States of America
| | - John Braisted
- National Center for Advancing Translational Sciences (NCATS), Stem Cell Translation Laboratory (SCTL), National Institutes of Health (NIH), Rockville, MD 20850, United States of America
| | - Marissa B Hirst
- Rancho Biosciences, 16955 Via Del Campo, #200, San Diego, CA 92127, United States of America
| | - Anton Simeonov
- National Center for Advancing Translational Sciences (NCATS), Stem Cell Translation Laboratory (SCTL), National Institutes of Health (NIH), Rockville, MD 20850, United States of America
| | - Ty C Voss
- National Center for Advancing Translational Sciences (NCATS), Stem Cell Translation Laboratory (SCTL), National Institutes of Health (NIH), Rockville, MD 20850, United States of America
| | - Carlos A Tristan
- National Center for Advancing Translational Sciences (NCATS), Stem Cell Translation Laboratory (SCTL), National Institutes of Health (NIH), Rockville, MD 20850, United States of America
| | - Ilyas Singeç
- National Center for Advancing Translational Sciences (NCATS), Stem Cell Translation Laboratory (SCTL), National Institutes of Health (NIH), Rockville, MD 20850, United States of America
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9
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Finotto L, Cole B, Giese W, Baumann E, Claeys A, Vanmechelen M, Decraene B, Derweduwe M, Dubroja Lakic N, Shankar G, Nagathihalli Kantharaju M, Albrecht JP, Geudens I, Stanchi F, Ligon KL, Boeckx B, Lambrechts D, Harrington K, Van Den Bosch L, De Vleeschouwer S, De Smet F, Gerhardt H. Single-cell profiling and zebrafish avatars reveal LGALS1 as immunomodulating target in glioblastoma. EMBO Mol Med 2023; 15:e18144. [PMID: 37791581 PMCID: PMC10630887 DOI: 10.15252/emmm.202318144] [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: 06/09/2023] [Revised: 08/29/2023] [Accepted: 09/04/2023] [Indexed: 10/05/2023] Open
Abstract
Glioblastoma (GBM) remains the most malignant primary brain tumor, with a median survival rarely exceeding 2 years. Tumor heterogeneity and an immunosuppressive microenvironment are key factors contributing to the poor response rates of current therapeutic approaches. GBM-associated macrophages (GAMs) often exhibit immunosuppressive features that promote tumor progression. However, their dynamic interactions with GBM tumor cells remain poorly understood. Here, we used patient-derived GBM stem cell cultures and combined single-cell RNA sequencing of GAM-GBM co-cultures and real-time in vivo monitoring of GAM-GBM interactions in orthotopic zebrafish xenograft models to provide insight into the cellular, molecular, and spatial heterogeneity. Our analyses revealed substantial heterogeneity across GBM patients in GBM-induced GAM polarization and the ability to attract and activate GAMs-features that correlated with patient survival. Differential gene expression analysis, immunohistochemistry on original tumor samples, and knock-out experiments in zebrafish subsequently identified LGALS1 as a primary regulator of immunosuppression. Overall, our work highlights that GAM-GBM interactions can be studied in a clinically relevant way using co-cultures and avatar models, while offering new opportunities to identify promising immune-modulating targets.
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Affiliation(s)
- Lise Finotto
- Max Delbrück Center for Molecular Medicine in the Helmholtz AssociationBerlinGermany
- VIB ‐ KU Leuven Center for Cancer BiologyVIB ‐ KU LeuvenLeuvenBelgium
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging & PathologyKU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
| | - Basiel Cole
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging & PathologyKU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
| | - Wolfgang Giese
- Max Delbrück Center for Molecular Medicine in the Helmholtz AssociationBerlinGermany
- DZHK (German Center for Cardiovascular Research), Partner Site BerlinBerlinGermany
| | - Elisabeth Baumann
- Max Delbrück Center for Molecular Medicine in the Helmholtz AssociationBerlinGermany
- Charité ‐ Universitätsmedizin BerlinBerlinGermany
| | - Annelies Claeys
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging & PathologyKU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
| | - Maxime Vanmechelen
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging & PathologyKU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
- Department of Medical OncologyUniversity Hospitals LeuvenLeuvenBelgium
| | - Brecht Decraene
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging & PathologyKU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
- Laboratory of Experimental Neurosurgery and Neuroanatomy, Department of Neurosciences, KU Leuven & Leuven Brain Institute (LBI)KU LeuvenLeuvenBelgium
- Department of NeurosurgeryUniversity Hospitals LeuvenLeuvenBelgium
| | - Marleen Derweduwe
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging & PathologyKU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
| | - Nikolina Dubroja Lakic
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging & PathologyKU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
| | - Gautam Shankar
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging & PathologyKU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
| | - Madhu Nagathihalli Kantharaju
- Max Delbrück Center for Molecular Medicine in the Helmholtz AssociationBerlinGermany
- Humboldt University of BerlinBerlinGermany
| | - Jan Philipp Albrecht
- Max Delbrück Center for Molecular Medicine in the Helmholtz AssociationBerlinGermany
- Humboldt University of BerlinBerlinGermany
| | - Ilse Geudens
- VIB ‐ KU Leuven Center for Cancer BiologyVIB ‐ KU LeuvenLeuvenBelgium
| | - Fabio Stanchi
- VIB ‐ KU Leuven Center for Cancer BiologyVIB ‐ KU LeuvenLeuvenBelgium
| | - Keith L Ligon
- Center for Neuro‐oncologyDana‐Farber Cancer InstituteBostonMAUSA
- Department of PathologyBrigham and Women's HospitalBostonMAUSA
- Department of PathologyHarvard Medical SchoolBostonMAUSA
| | - Bram Boeckx
- VIB ‐ KU Leuven Center for Cancer BiologyVIB ‐ KU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
- Laboratory of Translational Genetics, Department of Human GeneticsKU LeuvenLeuvenBelgium
| | - Diether Lambrechts
- VIB ‐ KU Leuven Center for Cancer BiologyVIB ‐ KU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
- Laboratory of Translational Genetics, Department of Human GeneticsKU LeuvenLeuvenBelgium
| | - Kyle Harrington
- Max Delbrück Center for Molecular Medicine in the Helmholtz AssociationBerlinGermany
- Chan Zuckerberg InitiativeRedwood CityCAUSA
| | - Ludo Van Den Bosch
- Laboratory of Neurobiology, Department of Neurosciences, Experimental Neurology & Leuven Brain Institute (LBI)KU LeuvenLeuvenBelgium
- VIB ‐ KU Leuven Center for Brain & Disease Research, Laboratory of NeurobiologyVIB ‐ KU LeuvenLeuvenBelgium
| | - Steven De Vleeschouwer
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
- Laboratory of Experimental Neurosurgery and Neuroanatomy, Department of Neurosciences, KU Leuven & Leuven Brain Institute (LBI)KU LeuvenLeuvenBelgium
- Department of NeurosurgeryUniversity Hospitals LeuvenLeuvenBelgium
| | - Frederik De Smet
- The Laboratory for Precision Cancer Medicine, Translational Cell and Tissue Research Unit, Department of Imaging & PathologyKU LeuvenLeuvenBelgium
- KU Leuven Institute for Single Cell Omics (LISCO)KU LeuvenLeuvenBelgium
| | - Holger Gerhardt
- Max Delbrück Center for Molecular Medicine in the Helmholtz AssociationBerlinGermany
- DZHK (German Center for Cardiovascular Research), Partner Site BerlinBerlinGermany
- Charité ‐ Universitätsmedizin BerlinBerlinGermany
- Berlin Institute of HealthBerlinGermany
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10
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Vaswani BK, Mundada BP, Bhola N, Paul P, Reche A, Ahuja KP. Stem-Cell Therapy: Filling Gaps in Oro-Maxillofacial Region. Cureus 2023; 15:e47171. [PMID: 38022051 PMCID: PMC10652057 DOI: 10.7759/cureus.47171] [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: 08/26/2023] [Accepted: 10/14/2023] [Indexed: 12/01/2023] Open
Abstract
How do stem cells function? Why should we, as dentists, care about stem cells? How might dental procedures be substituted by stem cells? Are stem cells capable of regenerating a tooth or temporomandibular joint (TMJ)? Although the ability to regenerate a destroyed tissue has been known for a while, research into regenerative medicine and dentistry has made significant strides in molecular biology. A paradigm shift in the therapeutic toolbox for dental and oral diseases is likely to result from a growing understanding of biological concepts in the regeneration of oral/dental tissues along with stem cell research, leading to an intense search for "biological solutions to biological problems." Among other tissues, orofacial tissues effectively separate stem cells from human tissues. Because they can self-renew and produce different cell types, stem cells offer novel techniques for regenerating damaged tissues and curing illnesses. A number of significant milestone successes have shown their practical applicability, traditional biomaterial-based treatments in regenerative dentistry as therapeutic alternatives that offer regeneration of damaged oral tissues rather than merely "filling the gaps." In order to use these innovative accomplishments for patient well-being, the ultimate goal of this ground-breaking technology, well-designed clinical studies must be implemented as a crucial next step. The review's objective is to briefly synthesize the literature on stem cells in terms of their traits, subtypes, and uses for dental stem cells. It has been highlighted that stem cell therapy has the ability to treat craniofacial abnormalities and regenerate teeth in the oral and maxillofacial regions.
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Affiliation(s)
- Bhumika K Vaswani
- Public Health Dentistry, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Bhushan P Mundada
- Oral and Maxillofacial Surgery, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Nitin Bhola
- Oral and Maxillofacial Surgery, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Priyanka Paul
- Public Health Dentistry, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Amit Reche
- Public Health Dentistry, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Kajal P Ahuja
- Public Health Dentistry, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Higher Education and Research, Wardha, IND
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11
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Krejčí J, Arcidiacono OA, Čegan R, Radaszkiewicz K, Pacherník J, Pirk J, Pešl M, Fila P, Bártová E. Cell Differentiation and Aging Lead To Up-Regulation of FTO, While the ALKBH5 Protein Level Was Stable During Aging but Up-Regulated During in vitro-Induced Cardiomyogenesis. Physiol Res 2023; 72:425-444. [PMID: 37795886 PMCID: PMC10634569 DOI: 10.33549/physiolres.935078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 05/25/2023] [Indexed: 01/05/2024] Open
Abstract
FTO and ALKBH5 proteins are essential erasers of N6-adenosine methylation in RNA. We studied how levels of FTO and ALKBH5 proteins changed during mouse embryonic development, aging, cardiomyogenesis, and neuroectodermal differentiation. We observed that aging in male and female mice was associated with FTO up-regulation in mouse hearts, brains, lungs, and kidneys, while the ALKBH5 level remained stable. FTO and ALKBH5 proteins were up-regulated during experimentally induced cardiomyogenesis, but the level of ALKBH5 protein was not changed when neuroectodermal differentiation was induced. HDAC1 depletion in mouse ES cells caused FTO down-regulation. In these cells, mRNA, carrying information from genes that regulate histone signature, RNA processing, and cell differentiation, was characterized by a reduced level of N6-adenosine methylation in specific gene loci, primarily regulating cell differentiation into neuroectoderm. Together, when we compared both RNA demethylating proteins, the FTO protein level undergoes the most significant changes during cell differentiation and aging. Thus, we conclude that during aging and neuronal differentiation, m6A RNA demethylation is likely regulated by the FTO protein but not via the function of ALKBH5.
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Affiliation(s)
- J Krejčí
- Department of Cell Biology and Epigenetics, Institute of Biophysics, Academy of Sciences of the Czech Republic, Brno, Czech Republic.
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12
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Wang Z. Assessing Tumorigenicity in Stem Cell-Derived Therapeutic Products: A Critical Step in Safeguarding Regenerative Medicine. Bioengineering (Basel) 2023; 10:857. [PMID: 37508884 PMCID: PMC10376867 DOI: 10.3390/bioengineering10070857] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/08/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Stem cells hold promise in regenerative medicine due to their ability to proliferate and differentiate into various cell types. However, their self-renewal and multipotency also raise concerns about their tumorigenicity during and post-therapy. Indeed, multiple studies have reported the presence of stem cell-derived tumors in animal models and clinical administrations. Therefore, the assessment of tumorigenicity is crucial in evaluating the safety of stem cell-derived therapeutic products. Ideally, the assessment needs to be performed rapidly, sensitively, cost-effectively, and scalable. This article reviews various approaches for assessing tumorigenicity, including animal models, soft agar culture, PCR, flow cytometry, and microfluidics. Each method has its advantages and limitations. The selection of the assay depends on the specific needs of the study and the stage of development of the stem cell-derived therapeutic product. Combining multiple assays may provide a more comprehensive evaluation of tumorigenicity. Future developments should focus on the optimization and standardization of microfluidics-based methods, as well as the integration of multiple assays into a single platform for efficient and comprehensive evaluation of tumorigenicity.
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Affiliation(s)
- Zongjie Wang
- Department of Biomedical Engineering, McCormick School of Engineering, Northwestern University, Evanston, IL 60208, USA
- Chan Zuckerberg Biohub Chicago, Chicago, IL 60607, USA
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13
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Bourhill T, Rohani L, Kumar M, Bose P, Rancourt D, Johnston RN. Modulation of Reoviral Cytolysis (II): Cellular Stemness. Viruses 2023; 15:1473. [PMID: 37515162 PMCID: PMC10386201 DOI: 10.3390/v15071473] [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: 06/05/2023] [Revised: 06/21/2023] [Accepted: 06/25/2023] [Indexed: 07/30/2023] Open
Abstract
Oncolytic viruses (OVs) are an emerging cancer therapeutic that are intended to act by selectively targeting and lysing cancerous cells and by stimulating anti-tumour immune responses, while leaving normal cells mainly unaffected. Reovirus is a well-studied OV that is undergoing advanced clinical trials and has received FDA approval in selected circumstances. However, the mechanisms governing reoviral selectivity are not well characterised despite many years of effort, including those in our accompanying paper where we characterize pathways that do not consistently modulate reoviral cytolysis. We have earlier shown that reovirus is capable of infecting and lysing both certain types of cancer cells and also cancer stem cells, and here we demonstrate its ability to also infect and kill healthy pluripotent stem cells (PSCs). This led us to hypothesize that pathways responsible for stemness may constitute a novel route for the modulation of reoviral tropism. We find that reovirus is capable of killing both murine and human embryonic and induced pluripotent stem cells. Differentiation of PSCs alters the cells' reoviral-permissive state to a resistant one. In a breast cancer cell line that was resistant to reoviral oncolysis, induction of pluripotency programming rendered the cells permissive to cytolysis. Bioinformatic analysis indicates that expression of the Yamanaka pluripotency factors may be associated with regulating reoviral selectivity. Mechanistic insights from these studies will be useful for the advancement of reoviral oncolytic therapy.
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Affiliation(s)
- Tarryn Bourhill
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Leili Rohani
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Mehul Kumar
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Pinaki Bose
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Derrick Rancourt
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Randal N Johnston
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
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14
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Carannante V, Wiklund M, Önfelt B. In vitro models to study natural killer cell dynamics in the tumor microenvironment. Front Immunol 2023; 14:1135148. [PMID: 37457703 PMCID: PMC10338882 DOI: 10.3389/fimmu.2023.1135148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 06/05/2023] [Indexed: 07/18/2023] Open
Abstract
Immunotherapy is revolutionizing cancer therapy. The rapid development of new immunotherapeutic strategies to treat solid tumors is posing new challenges for preclinical research, demanding novel in vitro methods to test treatments. Such methods should meet specific requirements, such as enabling the evaluation of immune cell responses like cytotoxicity or cytokine release, and infiltration into the tumor microenvironment using cancer models representative of the original disease. They should allow high-throughput and high-content analysis, to evaluate the efficacy of treatments and understand immune-evasion processes to facilitate development of new therapeutic targets. Ideally, they should be suitable for personalized immunotherapy testing, providing information for patient stratification. Consequently, the application of in vitro 3-dimensional (3D) cell culture models, such as tumor spheroids and organoids, is rapidly expanding in the immunotherapeutic field, coupled with the development of novel imaging-based techniques and -omic analysis. In this paper, we review the recent advances in the development of in vitro 3D platforms applied to natural killer (NK) cell-based cancer immunotherapy studies, highlighting the benefits and limitations of the current methods, and discuss new concepts and future directions of the field.
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Affiliation(s)
- Valentina Carannante
- Department of Applied Physics, Science for Life Laboratory, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Martin Wiklund
- Department of Applied Physics, Science for Life Laboratory, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Björn Önfelt
- Department of Applied Physics, Science for Life Laboratory, KTH Royal Institute of Technology, Stockholm, Sweden
- Center for Infectious Medicine, Department of Medicine Huddinge, Science for Life Laboratory, Karolinska Institutet, Stockholm, Sweden
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15
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Mabate B, Daub CD, Pletschke BI, Edkins AL. Comparative Analyses of Fucoidans from South African Brown Seaweeds That Inhibit Adhesion, Migration, and Long-Term Survival of Colorectal Cancer Cells. Mar Drugs 2023; 21:203. [PMID: 37103342 PMCID: PMC10144773 DOI: 10.3390/md21040203] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Revised: 03/20/2023] [Accepted: 03/22/2023] [Indexed: 04/28/2023] Open
Abstract
Human colorectal cancer (CRC) is a recurrent, deadly malignant tumour with a high incidence. The incidence of CRC is of increasing alarm in highly developed countries, as well as in middle to low-income countries, posing a significant global health challenge. Therefore, novel management and prevention strategies are vital in reducing the morbidity and mortality of CRC. Fucoidans from South African seaweeds were hot water extracted and structurally characterised using FTIR, NMR and TGA. The fucoidans were chemically characterised to analyse their composition. In addition, the anti-cancer properties of the fucoidans on human HCT116 colorectal cells were investigated. The effect of fucoidans on HCT116 cell viability was explored using the resazurin assay. Thereafter, the anti-colony formation potential of fucoidans was explored. The potency of fucoidans on the 2D and 3D migration of HCT116 cells was investigated by wound healing assay and spheroid migration assays, respectively. Lastly, the anti-cell adhesion potential of fucoidans on HCT116 cells was also investigated. Our study found that Ecklonia sp. Fucoidans had a higher carbohydrate content and lower sulphate content than Sargassum elegans and commercial Fucus vesiculosus fucoidans. The fucoidans prevented 2D and 3D migration of HCT116 colorectal cancer cells to 80% at a fucoidan concentration of 100 µg/mL. This concentration of fucoidans also significantly inhibited HCT116 cell adhesion by 40%. Moreover, some fucoidan extracts hindered long-term colony formation by HCT116 cancer cells. In summary, the characterised fucoidan extracts demonstrated promising anti-cancer activities in vitro, and this warrants their further analyses in pre-clinical and clinical studies.
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Affiliation(s)
- Blessing Mabate
- Enzyme Science Programme (ESP), Department of Biochemistry and Microbiology, Faculty of Science, Rhodes University, Makhanda 6140, South Africa
| | - Chantal Désirée Daub
- Enzyme Science Programme (ESP), Department of Biochemistry and Microbiology, Faculty of Science, Rhodes University, Makhanda 6140, South Africa
| | - Brett Ivan Pletschke
- Enzyme Science Programme (ESP), Department of Biochemistry and Microbiology, Faculty of Science, Rhodes University, Makhanda 6140, South Africa
| | - Adrienne Lesley Edkins
- Biomedical Biotechnology Research Unit (BioBRU), Department of Biochemistry and Microbiology, Rhodes University, Makhanda 6139, South Africa
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16
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Das S, Gupta V, Bjorge J, Shi X, Gong W, Garry MG, Garry DJ. ETV2 and VEZF1 interaction and regulation of the hematoendothelial lineage during embryogenesis. Front Cell Dev Biol 2023; 11:1109648. [PMID: 36923254 PMCID: PMC10009235 DOI: 10.3389/fcell.2023.1109648] [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: 11/28/2022] [Accepted: 02/13/2023] [Indexed: 03/02/2023] Open
Abstract
Ets variant 2 (Etv2), a member of the Ets factor family, has an essential role in the formation of endothelial and hematopoietic cell lineages during embryonic development. The functional role of ETS transcription factors is, in part, dependent on the interacting proteins. There are relatively few studies exploring the coordinated interplay between ETV2 and its interacting proteins that regulate mesodermal lineage determination. In order to identify novel ETV2 interacting partners, a yeast two-hybrid analysis was performed and the C2H2 zinc finger transcription factor VEZF1 (vascular endothelial zinc finger 1) was identified as a binding factor, which was specifically expressed within the endothelium during vascular development. To confirm this interaction, co-immunoprecipitation and GST pull down assays demonstrated the direct interaction between ETV2 and VEZF1. During embryoid body differentiation, Etv2 achieved its peak expression at day 3.0 followed by rapid downregulation, on the other hand Vezf1 expression increased through day 6 of EB differentiation. We have previously shown that ETV2 potently activated Flt1 gene transcription. Using a Flt1 promoter-luciferase reporter assay, we demonstrated that VEZF1 co-activated the Flt1 promoter. Electrophoretic mobility shift assay and Chromatin immunoprecipitation established VEZF1 binding to the Flt1 promoter. Vezf1 knockout embryonic stem cells had downregulation of hematoendothelial marker genes when undergoing embryoid body mediated mesodermal differentiation whereas overexpression of VEZF1 induced the expression of hematoendothelial genes during differentiation. These current studies provide insight into the co-regulation of the hemato-endothelial lineage development via a co-operative interaction between ETV2 and VEZF1.
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Affiliation(s)
- Satyabrata Das
- Department of Medicine, Cardiovascular Division, Lillehei Heart Institute, University of Minnesota, Minneapolis, MN, United States
| | - Vinayak Gupta
- Department of Medicine, Cardiovascular Division, Lillehei Heart Institute, University of Minnesota, Minneapolis, MN, United States
| | - Johannes Bjorge
- Department of Medicine, Cardiovascular Division, Lillehei Heart Institute, University of Minnesota, Minneapolis, MN, United States
| | - Xiaozhong Shi
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang, JX, China
| | - Wuming Gong
- Department of Medicine, Cardiovascular Division, Lillehei Heart Institute, University of Minnesota, Minneapolis, MN, United States
| | - Mary G. Garry
- Department of Medicine, Cardiovascular Division, Lillehei Heart Institute, University of Minnesota, Minneapolis, MN, United States
- Stem Cell Institute, University of Minnesota, Minneapolis, MN, United States
- Paul and Sheila Wellstone Muscular Dystrophy Center, University of Minnesota, Minneapolis, MN, United States
| | - Daniel J. Garry
- Department of Medicine, Cardiovascular Division, Lillehei Heart Institute, University of Minnesota, Minneapolis, MN, United States
- Stem Cell Institute, University of Minnesota, Minneapolis, MN, United States
- Paul and Sheila Wellstone Muscular Dystrophy Center, University of Minnesota, Minneapolis, MN, United States
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17
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Dwivedi S, Choudhary P, Gupta A, Singh S. Therapeutical growth in oligodendroglial fate induction via transdifferentiation of stem cells for neuroregenerative therapy. Biochimie 2023; 211:35-56. [PMID: 36842627 DOI: 10.1016/j.biochi.2023.02.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 12/20/2022] [Accepted: 02/21/2023] [Indexed: 02/27/2023]
Abstract
The merits of stem cell therapy and research are undisputed due to their widespread usage in the treatment of neurodegenerative diseases and demyelinating disorders. Cell replacement therapy especially revolves around stem cells and their induction into different cell lineages both adult and progenitor - belonging to each germ layer, prior to transplantation or disease modeling studies. The nervous system is abundant in glial cells and among these are oligodendrocytes capable of myelinating new-born neurons and remyelination of axons with lost or damaged myelin sheath. But demyelinating diseases generate tremendous deficit between myelin loss and recovery. To compensate for this loss, analyze the defects in remyelination mechanisms as well as to trigger full recovery in such patients mesenchymal stem cells (MSCs) have been induced to transdifferentiate into oligodendrocytes. But such experiments are riddled with problems like prolonged, tenuous and complicated protocols that stretch longer than the time taken for the spread of demyelination-associated after-effects. This review delves into such protocols and the combinations of different molecules and factors that have been recruited to derive bona fide oligodendrocytes from in vitro differentiation of embryonic stem cells (ESCs), induced pluripotent stem cells (iPSCs) and MSCs with special focus on MSC-derived oligodendrocytes.
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Affiliation(s)
- Shrey Dwivedi
- Department of Applied Sciences, Indian Institute of Information Technology, Allahabad, U.P., India
| | - Princy Choudhary
- Department of Applied Sciences, Indian Institute of Information Technology, Allahabad, U.P., India
| | - Ayushi Gupta
- Department of Applied Sciences, Indian Institute of Information Technology, Allahabad, U.P., India
| | - Sangeeta Singh
- Department of Applied Sciences, Indian Institute of Information Technology, Allahabad, U.P., India.
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18
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Henry S, Kokity L, Pirity MK. Polycomb protein RYBP activates transcription factor Plagl1 during in vitro cardiac differentiation of mouse embryonic stem cells. Open Biol 2023; 13:220305. [PMID: 36751888 PMCID: PMC9905990 DOI: 10.1098/rsob.220305] [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] [Indexed: 02/09/2023] Open
Abstract
RING1 and YY1 binding protein (RYBP) is primarily known to function as a repressor being a core component of the non-canonical polycomb repressive complexes 1 (ncPRC1s). However, several ncPRC1-independent functions of RYBP have also been described. We previously reported that RYBP is essential for mouse embryonic development and that Rybp null mutant embryonic stem cells cannot form contractile cardiomyocytes (CMCs) in vitro. We also showed that PLAGL1, a cardiac transcription factor, which is often mutated in congenital heart diseases (CHDs), is not expressed in Rybp-null mutant CMCs. However, the underlying mechanism of how RYBP regulates Plagl1 expression was not revealed. Here, we demonstrate that RYBP cooperated with NKX2-5 to transcriptionally activate the P1 and P3 promoters of the Plagl1 gene and that this activation is ncPRC1-independent. We also show that two non-coding RNAs residing in the Plagl1 locus can also regulate the Plagl1 promoters. Finally, PLAGL1 was able to activate Tnnt2, a gene important for contractility of CMCs in transfected HEK293 cells. Our study shows that the activation of Plagl1 by RYBP is important for sarcomere development and contractility, and suggests that RYBP, via its regulatory functions, may contribute to the development of CHDs.
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Affiliation(s)
- Surya Henry
- Institute of Genetics, Biological Research Centre, Eötvös Loránd Research Network, 6726 Szeged, Hungary,Doctoral School in Biology, Faculty of Science and Informatics, University of Szeged, 6726 Szeged, Hungary
| | - Lilla Kokity
- Institute of Genetics, Biological Research Centre, Eötvös Loránd Research Network, 6726 Szeged, Hungary,Doctoral School in Biology, Faculty of Science and Informatics, University of Szeged, 6726 Szeged, Hungary
| | - Melinda Katalin Pirity
- Institute of Genetics, Biological Research Centre, Eötvös Loránd Research Network, 6726 Szeged, Hungary
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19
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Osaki D, Ouji Y, Sakagami M, Kitamura T, Misu M, Kitahara T, Yoshikawa M. Culture of organoids with vestibular cell-derived factors promotes differentiation of embryonic stem cells into inner ear vestibular hair cells. J Biosci Bioeng 2023; 135:143-150. [PMID: 36503871 DOI: 10.1016/j.jbiosc.2022.11.005] [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: 08/16/2022] [Revised: 11/07/2022] [Accepted: 11/15/2022] [Indexed: 12/13/2022]
Abstract
Vestibular hair cells (V-HCs) residing in the inner ear have important roles related to balance. Although differentiation of pluripotent stem cells into HCs has been shown, an effective method has yet to be established. We previously reported that use of vestibular cell-derived conditioned medium (V-CM) was helpful to induce embryonic stem (ES) cells to differentiate into V-HC-like cells in two-dimensional (2D) cultures of ES-derived embryoid bodies (EBs). In the present report, V-CM was used with three-dimensional (3D) cultures of EBs, which resulted in augmented expression of V-HC-related markers (Math1, Myosin6, Brn3c, Dnah5), but not of the cochlear HC-related marker Lmod3. Gene expression analyses of both 2D and 3D EBs cultured for two weeks revealed a greater level of augmented induction of HC-related markers in the 3D-cultured EBs. These results indicate that a 3D culture in combination with use of V-CM is an effective method for producing V-HCs.
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Affiliation(s)
- Daisuke Osaki
- Department of Pathogen, Infection and Immunity, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan; Department of Otolaryngology - Head and Neck Surgery, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan.
| | - Yukiteru Ouji
- Department of Pathogen, Infection and Immunity, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan.
| | - Masaharu Sakagami
- Department of Pathogen, Infection and Immunity, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan; Department of Otolaryngology - Head and Neck Surgery, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan.
| | - Tomotaka Kitamura
- Department of Pathogen, Infection and Immunity, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan.
| | - Masayasu Misu
- Department of Pathogen, Infection and Immunity, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan.
| | - Tadashi Kitahara
- Department of Otolaryngology - Head and Neck Surgery, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan.
| | - Masahide Yoshikawa
- Department of Pathogen, Infection and Immunity, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan.
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20
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Current Advances in 3D Dynamic Cell Culture Systems. Gels 2022; 8:gels8120829. [PMID: 36547353 PMCID: PMC9778081 DOI: 10.3390/gels8120829] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/10/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
The traditional two-dimensional (2D) cell culture methods have a long history of mimicking in vivo cell growth. However, these methods cannot fully represent physiological conditions, which lack two major indexes of the in vivo environment; one is a three-dimensional 3D cell environment, and the other is mechanical stimulation; therefore, they are incapable of replicating the essential cellular communications between cell to cell, cell to the extracellular matrix, and cellular responses to dynamic mechanical stimulation in a physiological condition of body movement and blood flow. To solve these problems and challenges, 3D cell carriers have been gradually developed to provide a 3D matrix-like structure for cell attachment, proliferation, differentiation, and communication in static and dynamic culture conditions. 3D cell carriers in dynamic culture systems could primarily provide different mechanical stimulations which further mimic the real in vivo microenvironment. In this review, the current advances in 3D dynamic cell culture approaches have been introduced, with their advantages and disadvantages being discussed in comparison to traditional 2D cell culture in static conditions.
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21
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Hamidi S, Alev C. In vitro models of pre- and post-gastrulation embryonic development. Curr Opin Genet Dev 2022; 77:101985. [PMID: 36244078 DOI: 10.1016/j.gde.2022.101985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 08/17/2022] [Accepted: 08/24/2022] [Indexed: 01/27/2023]
Abstract
The successful derivation and culture of pluripotent stem cells (PSCs) is tightly connected with the study of embryonic development, and was made largely possible by advances in in vitro fertilization and blastocyst culture during the latter half of the last century [1,2]. Since then, embryonic and induced pluripotent stem cells have been extensively used to derive a plethora of functional cell types in vitro, heavily relying on and utilizing insights into cellular differentiation won from developmental biological studies in model organisms. Excitingly, PSCs are now being increasingly used to reconstitute and analyze complex aspects of mouse and human embryonic development. These bottom-up approaches are starting to provide novel insights into core developmental processes and biological questions and may ultimately help decipher the biological principles that underlie the emergence of form and function during development. This mini review summarizes the latest advances and recent breakthroughs in this rapidly growing field of research on PSC-based in vitro models of early embryonic development.
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Affiliation(s)
- Sofiane Hamidi
- Institute for the Advanced Study of Human Biology (ASHBi), Kyoto University, Kyoto 606-8501, Japan
| | - Cantas Alev
- Institute for the Advanced Study of Human Biology (ASHBi), Kyoto University, Kyoto 606-8501, Japan.
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22
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Rystsov GK, Lisov AV, Zemskova MY. Polymers of 2,5-Dihydroxybenzoic Acid Induce Formation of Spheroids in Mammalian Cells. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2022. [DOI: 10.1134/s106816202206019x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
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23
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Jeziorska DM, Tunnacliffe EAJ, Brown JM, Ayyub H, Sloane-Stanley J, Sharpe JA, Lagerholm BC, Babbs C, Smith AJH, Buckle VJ, Higgs DR. On-microscope staging of live cells reveals changes in the dynamics of transcriptional bursting during differentiation. Nat Commun 2022; 13:6641. [PMID: 36333299 PMCID: PMC9636426 DOI: 10.1038/s41467-022-33977-4] [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: 12/08/2021] [Accepted: 10/07/2022] [Indexed: 11/06/2022] Open
Abstract
Determining the mechanisms by which genes are switched on and off during development is a key aim of current biomedical research. Gene transcription has been widely observed to occur in a discontinuous fashion, with short bursts of activity interspersed with periods of inactivity. It is currently not known if or how this dynamic behaviour changes as mammalian cells differentiate. To investigate this, using an on-microscope analysis, we monitored mouse α-globin transcription in live cells throughout erythropoiesis. We find that changes in the overall levels of α-globin transcription are most closely associated with changes in the fraction of time a gene spends in the active transcriptional state. We identify differences in the patterns of transcriptional bursting throughout differentiation, with maximal transcriptional activity occurring in the mid-phase of differentiation. Early in differentiation, we observe increased fluctuation in transcriptional activity whereas at the peak of gene expression, in early erythroblasts, transcription is relatively stable. Later during differentiation as α-globin expression declines, we again observe more variability in transcription within individual cells. We propose that the observed changes in transcriptional behaviour may reflect changes in the stability of active transcriptional compartments as gene expression is regulated during differentiation.
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Affiliation(s)
- D. M. Jeziorska
- grid.4991.50000 0004 1936 8948MRC Weatherall Institute for Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS UK ,Present Address: Nucleome Therapeutics Ltd., BioEscalator, The Innovation Building, Old Road Campus, Oxford, OX3 7FZ UK
| | - E. A. J. Tunnacliffe
- grid.4991.50000 0004 1936 8948MRC Weatherall Institute for Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS UK
| | - J. M. Brown
- grid.4991.50000 0004 1936 8948MRC Weatherall Institute for Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS UK
| | - H. Ayyub
- grid.4991.50000 0004 1936 8948MRC Weatherall Institute for Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS UK
| | - J. Sloane-Stanley
- grid.4991.50000 0004 1936 8948MRC Weatherall Institute for Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS UK
| | - J. A. Sharpe
- grid.4991.50000 0004 1936 8948MRC Weatherall Institute for Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS UK
| | - B. C. Lagerholm
- grid.4991.50000 0004 1936 8948Wolfson Imaging Centre, MRC Weatherall Institute for Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS UK ,grid.4991.50000 0004 1936 8948Present Address: The Kennedy Institute Of Rheumatology, University of Oxford, Old Road Campus, Oxford, OX3 7FY UK
| | - C. Babbs
- grid.4991.50000 0004 1936 8948MRC Weatherall Institute for Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS UK
| | - A. J. H. Smith
- grid.4991.50000 0004 1936 8948MRC Weatherall Institute for Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS UK ,grid.4305.20000 0004 1936 7988Present Address: MRC Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, EH16 4UU UK
| | - V. J. Buckle
- grid.4991.50000 0004 1936 8948MRC Weatherall Institute for Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS UK
| | - D. R. Higgs
- grid.4991.50000 0004 1936 8948MRC Weatherall Institute for Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DS UK ,grid.4991.50000 0004 1936 8948Chinese Academy of Medical Sciences Oxford Institute, Nuffield Department of Medicine, University of Oxford, Old Road Campus, Oxford, OX3 7BN UK
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Off the Clock: the Non-canonical Roles of Cyclin-Dependent Kinases in Neural and Glioma Stem Cell Self-Renewal. Mol Neurobiol 2022; 59:6805-6816. [PMID: 36042143 DOI: 10.1007/s12035-022-03009-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 08/18/2022] [Indexed: 10/14/2022]
Abstract
Glioma stem cells (GSCs) are thought to drive growth and therapy resistance in glioblastoma (GBM) by "hijacking" at least a subset of signaling pathways active in normal neural stem cells (NSCs). Though the origins of GSCs still remain elusive, uncovering the mechanisms of self-renewing division and cell differentiation in normal NSCs has shed light on their dysfunction in GSCs. However, the distinction between self-renewing division pathways utilized by NSC and GSC becomes critical when considering options for therapeutically targeting signaling pathways that are specifically active or altered in GSCs. It is well-established that cyclin-dependent kinases (CDKs) regulate the cell cycle, yet more recent studies have shown that CDKs also play important roles in the regulation of neuronal survival, metabolism, differentiation, and self-renewal. The intimate relationship between cell cycle regulation and the cellular programs that determine self-renewing division versus cell differentiation is only beginning to be understood, yet seems to suggest potential differential vulnerabilities in GSCs. In this timely review, we focus on the role of CDKs in regulating the self-renewal properties of normal NSCs and GSCs, highlighting novel opportunities to therapeutically target self-renewing signaling pathways specifically in GBM.
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25
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PDGFD switches on stem cell endothelial commitment. Angiogenesis 2022; 25:517-533. [PMID: 35859222 PMCID: PMC9519648 DOI: 10.1007/s10456-022-09847-4] [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] [Received: 02/06/2022] [Accepted: 07/01/2022] [Indexed: 11/25/2022]
Abstract
The critical factors regulating stem cell endothelial commitment and renewal remain not well understood. Here, using loss- and gain-of-function assays together with bioinformatic analysis and multiple model systems, we show that PDGFD is an essential factor that switches on endothelial commitment of embryonic stem cells (ESCs). PDGFD genetic deletion or knockdown inhibits ESC differentiation into EC lineage and increases ESC self-renewal, and PDGFD overexpression activates ESC differentiation towards ECs. RNA sequencing reveals a critical requirement of PDGFD for the expression of vascular-differentiation related genes in ESCs. Importantly, PDGFD genetic deletion or knockdown increases ESC self-renewal and decreases blood vessel densities in both embryonic and neonatal mice and in teratomas. Mechanistically, we reveal that PDGFD fulfills this function via the MAPK/ERK pathway. Our findings provide new insight of PDGFD as a novel regulator of ESC fate determination, and suggest therapeutic implications of modulating PDGFD activity in stem cell therapy.
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26
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Liang T, Bai J, Zhou W, Lin H, Ma S, Zhu X, Tao Q, Xi Q. HMCES modulates the transcriptional regulation of nodal/activin and BMP signaling in mESCs. Cell Rep 2022; 40:111038. [PMID: 35830803 DOI: 10.1016/j.celrep.2022.111038] [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: 10/20/2021] [Revised: 03/20/2022] [Accepted: 06/11/2022] [Indexed: 12/01/2022] Open
Abstract
Despite the fundamental roles of TGF-β family signaling in cell fate determination in all metazoans, the mechanism by which these signals are spatially and temporally interpreted remains elusive. The cell-context-dependent function of TGF-β signaling largely relies on transcriptional regulation by SMAD proteins. Here, we discover that the DNA repair-related protein, HMCES, contributes to early development by maintaining nodal/activin- or BMP-signaling-regulated transcriptional network. HMCES binds with R-SMAD proteins, co-localizing at active histone marks. However, HMCES chromatin occupancy is independent on nodal/activin or BMP signaling. Mechanistically, HMCES competitively binds chromatin to limit binding by R-SMAD proteins, thereby forcing their dissociation and resulting in repression of their regulatory effects. In Xenopus laevis embryo, hmces KD causes dramatic development defects with abnormal left-right axis asymmetry along with increasing expression of lefty1. These findings reveal HMCES transcriptional regulatory function in the context of TGF-β family signaling.
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Affiliation(s)
- Tao Liang
- School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Jianbo Bai
- School of Life Sciences, Tsinghua University, Beijing 100084, China; Joint Graduate Program of Peking-Tsinghua-NIBS, Tsinghua University, Beijing 100084, China
| | - Wei Zhou
- School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Hao Lin
- School of Life Sciences, Tsinghua University, Beijing 100084, China; MOE Key Laboratory of Protein Sciences, Tsinghua University, Beijing 100084, China
| | - Shixin Ma
- School of Life Sciences, Tsinghua University, Beijing 100084, China; Tsinghua-Peking Joint Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Xuechen Zhu
- Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing 100084, China; Key Laboratory of Structural Biology of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou, China
| | - Qinghua Tao
- School of Life Sciences, Tsinghua University, Beijing 100084, China; MOE Key Laboratory of Protein Sciences, Tsinghua University, Beijing 100084, China
| | - Qiaoran Xi
- School of Life Sciences, Tsinghua University, Beijing 100084, China; MOE Key Laboratory of Protein Sciences, Tsinghua University, Beijing 100084, China.
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27
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Fu H, Wang T, Kong X, Yan K, Yang Y, Cao J, Yuan Y, Wang N, Kee K, Lu ZJ, Xi Q. A Nodal enhanced micropeptide NEMEP regulates glucose uptake during mesendoderm differentiation of embryonic stem cells. Nat Commun 2022; 13:3984. [PMID: 35810171 PMCID: PMC9271079 DOI: 10.1038/s41467-022-31762-x] [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: 01/25/2021] [Accepted: 07/01/2022] [Indexed: 11/29/2022] Open
Abstract
TGF-β family proteins including Nodal are known as central regulators of early development in metazoans, yet our understanding of the scope of Nodal signaling’s downstream targets and associated physiological mechanisms in specifying developmentally appropriate cell fates is far from complete. Here, we identified a highly conserved, transmembrane micropeptide—NEMEP—as a direct target of Nodal signaling in mesendoderm differentiation of mouse embryonic stem cells (mESCs), and this micropeptide is essential for mesendoderm differentiation. We showed that NEMEP interacts with the glucose transporters GLUT1/GLUT3 and promotes glucose uptake likely through these interactions. Thus, beyond expanding the scope of known Nodal signaling targets in early development and showing that this target micropeptide augments the glucose uptake during mesendoderm differentiation, our study provides a clear example for the direct functional impact of altered glucose metabolism on cell fate determination. Fu et al. identify the highly conserved, transmembrane micropeptide, NEMEP, as a direct target of Nodal signaling, essential for mesendoderm differentiation. NEMEP interacts with the glucose transporters GLUT1/GLUT3 and promotes glucose uptake.
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Affiliation(s)
- Haipeng Fu
- MOE Key Laboratory of Protein Sciences, School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Tingyu Wang
- MOE Key Laboratory of Protein Sciences, School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Xiaohui Kong
- MOE Key Laboratory of Protein Sciences, School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Kun Yan
- Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Yang Yang
- MOE Key Laboratory of Protein Sciences, School of Life Sciences, Tsinghua University, Beijing, 100084, China.,MOE Key Laboratory of Bioinformatics, Center for Synthetic and Systems Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, China.,Joint Graduate Program of Peking-Tsinghua-NIBS, Tsinghua University, Beijing, 100084, China
| | - Jingyi Cao
- Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Yafei Yuan
- State Key Laboratory of Membrane Biology, Beijing Frontier Research Center for Biological Structure, Beijing Advanced Innovation Center for Structural Biology, Tsinghua-Peking Joint Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Nan Wang
- Center for Stem Cell Biology and Regenerative Medicine, Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, 100084, China
| | - Kehkooi Kee
- Center for Stem Cell Biology and Regenerative Medicine, Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, 100084, China
| | - Zhi John Lu
- MOE Key Laboratory of Protein Sciences, School of Life Sciences, Tsinghua University, Beijing, 100084, China.,MOE Key Laboratory of Bioinformatics, Center for Synthetic and Systems Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Qiaoran Xi
- MOE Key Laboratory of Protein Sciences, School of Life Sciences, Tsinghua University, Beijing, 100084, China. .,Joint Graduate Program of Peking-Tsinghua-NIBS, Tsinghua University, Beijing, 100084, China.
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28
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Toward in Vitro Production of Platelet from Induced Pluripotent Stem Cells. Stem Cell Rev Rep 2022; 18:2376-2387. [PMID: 35397051 DOI: 10.1007/s12015-022-10366-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/07/2022] [Indexed: 10/18/2022]
Abstract
Platelets (PLTs) are small anucleate blood cells that release from polyploidy megakaryocytes(MKs). PLT transfusion is standard therapy to prevent hemorrhage. PLT transfusion is donor-dependent way which have limitations including the inadequate donor blood supply, poor quality, and issues related to infection and immunity. Overcoming these obstacles is possible with in vitro production of human PLTs. Currently several cells have been considered as source to in vitro production of PLTs such as hematopoietic stem cells (HSCs), embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs). However, HSCs are a limited source for PLT production and large-scale expansion of HSC-derived PLT remains difficult. Alternative sources can be ESCs which have unlimited expansion capacity. But ESCs have ethical issues related to destroying human embryos. iPSCs are considered as an ideal unlimited source for PLT production. They are able to differentiate into any cells and have the capacity of self-renewal. Moreover, iPSCs can be acquired from any donor and easily manipulated. Due to new advances in development of MK cell lines, bioreactors, feeder cell-free production and the ability of large scale generation, iPSC-based PLTs are moving toward clinical applicability and considering the minimal risk of alloimmunization and tumorigenesis of these products, there is great hopefulness they will become the standard source for blood transfusions in the future. This review will focus on how to progress of in vitro generation of PLT from stem cell especially iPSCs and some of the successful strategies that can be easily used in clinic will be described.
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29
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Eilenberger C, Rothbauer M, Brandauer K, Spitz S, Ehmoser EK, Küpcü S, Ertl P. Screening for Best Neuronal-Glial Differentiation Protocols of Neuralizing Agents Using a Multi-Sized Microfluidic Embryoid Body Array. Pharmaceutics 2022; 14:pharmaceutics14020339. [PMID: 35214071 PMCID: PMC8878393 DOI: 10.3390/pharmaceutics14020339] [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: 12/21/2021] [Revised: 01/27/2022] [Accepted: 01/29/2022] [Indexed: 02/01/2023] Open
Abstract
Stem cell technology and embryonic stem cell models are of great interest in biomedical research since they provide deeper insights into, e.g., neurogenesis and early mammalian brain development. Despite their great scientific potential, the reliable establishment of three-dimensional embryoid bodies (EBs) remains a major challenge, and the current lack of standardization and comparability is still limiting a broader application and translation of stem cell technology. Among others, a vital aspect for the reliable formation of EBs is optimizing differentiation protocols since organized differentiation is influenced by soluble inducers and EB size. A microfluidic biochip array was employed to automate cell loading and optimize directed neuronal and astrocytic differentiation protocols using murine P19 embryoid bodies to facilitate reliable embryonic stem cell differentiation. Our gravity-driven microfluidic size-controlled embryoid body-on-a-chip system allows (a) the robust operation and cultivation of up to 90 EBs in parallel and (b) the reproducible generation of five increasing sizes ranging from 300 µm to 1000 µm diameters. A comparative study adds two differentiation-inducers such as retinoic acid and EC23 to size-controlled embryoid bodies to identify the optimal differentiation protocol. Our study revealed a 1.4 to 1.9-fold higher neuron and astrocyte expression in larger embryoid bodies (above 750 µm) over smaller-sized EBs (below 450 µm), thus highlighting the importance of EB size in the establishment of robust neurodevelopmental in vitro models.
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Affiliation(s)
- Christoph Eilenberger
- Faculty of Technical Chemistry, Vienna University of Technology, Getreidemarkt 9, 1060 Vienna, Austria; (K.B.); (S.S.); (P.E.)
- Correspondence: (C.E.); (M.R.)
| | - Mario Rothbauer
- Faculty of Technical Chemistry, Vienna University of Technology, Getreidemarkt 9, 1060 Vienna, Austria; (K.B.); (S.S.); (P.E.)
- Orthopedic Microsystems, Karl Chiari Lab for Orthopaedic Biology, Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria
- Correspondence: (C.E.); (M.R.)
| | - Konstanze Brandauer
- Faculty of Technical Chemistry, Vienna University of Technology, Getreidemarkt 9, 1060 Vienna, Austria; (K.B.); (S.S.); (P.E.)
| | - Sarah Spitz
- Faculty of Technical Chemistry, Vienna University of Technology, Getreidemarkt 9, 1060 Vienna, Austria; (K.B.); (S.S.); (P.E.)
| | - Eva-Kathrin Ehmoser
- Department of Nanobiotechnology, Institute of Synthetic Bioarchitectures, University of Natural Resources and Life Sciences, Muthgasse 18, 1190 Vienna, Austria; (E.-K.E.); (S.K.)
| | - Seta Küpcü
- Department of Nanobiotechnology, Institute of Synthetic Bioarchitectures, University of Natural Resources and Life Sciences, Muthgasse 18, 1190 Vienna, Austria; (E.-K.E.); (S.K.)
| | - Peter Ertl
- Faculty of Technical Chemistry, Vienna University of Technology, Getreidemarkt 9, 1060 Vienna, Austria; (K.B.); (S.S.); (P.E.)
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30
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Thambyrajah R, Bigas A. Notch Signaling in HSC Emergence: When, Why and How. Cells 2022; 11:cells11030358. [PMID: 35159166 PMCID: PMC8833884 DOI: 10.3390/cells11030358] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/17/2022] [Accepted: 01/19/2022] [Indexed: 02/07/2023] Open
Abstract
The hematopoietic stem cell (HSC) sustains blood homeostasis throughout life in vertebrates. During embryonic development, HSCs emerge from the aorta-gonads and mesonephros (AGM) region along with hematopoietic progenitors within hematopoietic clusters which are found in the dorsal aorta, the main arterial vessel. Notch signaling, which is essential for arterial specification of the aorta, is also crucial in hematopoietic development and HSC activity. In this review, we will present and discuss the evidence that we have for Notch activity in hematopoietic cell fate specification and the crosstalk with the endothelial and arterial lineage. The core hematopoietic program is conserved across vertebrates and here we review studies conducted using different models of vertebrate hematopoiesis, including zebrafish, mouse and in vitro differentiated Embryonic stem cells. To fulfill the goal of engineering HSCs in vitro, we need to understand the molecular processes that modulate Notch signaling during HSC emergence in a temporal and spatial context. Here, we review relevant contributions from different model systems that are required to specify precursors of HSC and HSC activity through Notch interactions at different stages of development.
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Affiliation(s)
- Roshana Thambyrajah
- Program in Cancer Research, Institut Hospital del Mar d’Investigacions Mèdiques, CIBERONC, 08003 Barcelona, Spain
- Correspondence: (R.T.); (A.B.); Tel.: +34-933160437 (R.T.); +34-933160440 (A.B.)
| | - Anna Bigas
- Program in Cancer Research, Institut Hospital del Mar d’Investigacions Mèdiques, CIBERONC, 08003 Barcelona, Spain
- Josep Carreras Leukemia Research Institute, 08003 Barcelona, Spain
- Correspondence: (R.T.); (A.B.); Tel.: +34-933160437 (R.T.); +34-933160440 (A.B.)
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31
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Thapaswini Y, Nikitha, Phanindra S, Ramavarapu A, Kudala V, Cherukuri S. Evaluation of the toxicity of human dental pulp-derived mesenchymal stem cells on animal models: An animal study. J Pharm Bioallied Sci 2022; 14:S683-S687. [PMID: 36110711 PMCID: PMC9469397 DOI: 10.4103/jpbs.jpbs_84_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 03/16/2022] [Indexed: 11/12/2022] Open
Abstract
Introduction: Dental pulp remains one of the important sources of mesenchymal stem cells for most preclinical and clinical studies. Aim and Objectives: To assess the safety after injecting human dental pulp-derived mesenchymal stem cells by intramucosal and intrabony routes in rabbits for clinical application. Materials and Methods: Animal studies were carried out among 30 New Zealand male white rabbits (3–5 months old), weighing 1.5–2 kgs, which were divided into three groups with 10 animals in each group. Group 1: control group, Group 2: intramucosal route, Group 3: intrabony route. Data were analyzed using Student's t-test, and any P ≤ 0.05 was statistically significant. Results: A total of 30 rabbits were selected for the study, among which significant statistical difference for Packed cell volume (PCV) (P < 0.05), MCHC (P < 0.05), platelet count (P < 0.05), and ESR (p < 0.001) has been reported in the hematological parameters. The results of the present study indicate that the transplantation of hDPSCs by intramucosal and intrabony routes into a rabbit is non-toxic without any detectable side effects or local or systemic rejection. The pre-clinical safety and toxicity of the hDPSCs in various human disease models need to be determined in future studies. Various pre-clinical studies to determine the safety and toxicity of hDPSCs in human disease models have to be done in the future. Conclusion: This study showed that the intramucosal route and intrabony route of administration of stem cells were found to be non-toxic at 10 million per mL concentration. A further evaluation must be done for more definitive results.
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From Spheroids to Organoids: The Next Generation of Model Systems of Human Cardiac Regeneration in a Dish. Int J Mol Sci 2021; 22:ijms222413180. [PMID: 34947977 PMCID: PMC8708686 DOI: 10.3390/ijms222413180] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/02/2021] [Accepted: 12/05/2021] [Indexed: 12/12/2022] Open
Abstract
Organoids are tiny, self-organized, three-dimensional tissue cultures that are derived from the differentiation of stem cells. The growing interest in the use of organoids arises from their ability to mimic the biology and physiology of specific tissue structures in vitro. Organoids indeed represent promising systems for the in vitro modeling of tissue morphogenesis and organogenesis, regenerative medicine and tissue engineering, drug therapy testing, toxicology screening, and disease modeling. Although 2D cell cultures have been used for more than 50 years, even for their simplicity and low-cost maintenance, recent years have witnessed a steep rise in the availability of organoid model systems. Exploiting the ability of cells to re-aggregate and reconstruct the original architecture of an organ makes it possible to overcome many limitations of 2D cell culture systems. In vitro replication of the cellular micro-environment of a specific tissue leads to reproducing the molecular, biochemical, and biomechanical mechanisms that directly influence cell behavior and fate within that specific tissue. Lineage-specific self-organizing organoids have now been generated for many organs. Currently, growing cardiac organoid (cardioids) from pluripotent stem cells and cardiac stem/progenitor cells remains an open challenge due to the complexity of the spreading, differentiation, and migration of cardiac muscle and vascular layers. Here, we summarize the evolution of biological model systems from the generation of 2D spheroids to 3D organoids by focusing on the generation of cardioids based on the currently available laboratory technologies and outline their high potential for cardiovascular research.
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El-Kadiry AEH, Rafei M, Shammaa R. Cell Therapy: Types, Regulation, and Clinical Benefits. Front Med (Lausanne) 2021; 8:756029. [PMID: 34881261 PMCID: PMC8645794 DOI: 10.3389/fmed.2021.756029] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 11/01/2021] [Indexed: 12/12/2022] Open
Abstract
Cell therapy practices date back to the 19th century and continue to expand on investigational and investment grounds. Cell therapy includes stem cell- and non-stem cell-based, unicellular and multicellular therapies, with different immunophenotypic profiles, isolation techniques, mechanisms of action, and regulatory levels. Following the steps of their predecessor cell therapies that have become established or commercialized, investigational and premarket approval-exempt cell therapies continue to provide patients with promising therapeutic benefits in different disease areas. In this review article, we delineate the vast types of cell therapy, including stem cell-based and non-stem cell-based cell therapies, and create the first-in-literature compilation of the different "multicellular" therapies used in clinical settings. Besides providing the nuts and bolts of FDA policies regulating their use, we discuss the benefits of cell therapies reported in 3 therapeutic areas-regenerative medicine, immune diseases, and cancer. Finally, we contemplate the recent attention shift toward combined therapy approaches, highlighting the factors that render multicellular therapies a more attractive option than their unicellular counterparts.
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Affiliation(s)
- Abed El-Hakim El-Kadiry
- Laboratory of Thrombosis and Hemostasis, Montreal Heart Institute, Research Center, Montreal, QC, Canada
- Department of Biomedical Sciences, Université de Montréal, Montreal, QC, Canada
| | - Moutih Rafei
- Department of Pharmacology and Physiology, Université de Montréal, Montreal, QC, Canada
- Department of Microbiology, Infectious Diseases and Immunology, Université de Montréal, Montreal, QC, Canada
- Molecular Biology Program, Université de Montréal, Montreal, QC, Canada
- Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada
| | - Riam Shammaa
- Canadian Centre for Regenerative Therapy, Toronto, ON, Canada
- Department of Family and Community Medicine, University of Toronto, Toronto, ON, Canada
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Potential of Bone-Marrow-Derived Mesenchymal Stem Cells for Maxillofacial and Periodontal Regeneration: A Narrative Review. Int J Dent 2021; 2021:4759492. [PMID: 34795761 PMCID: PMC8594991 DOI: 10.1155/2021/4759492] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 09/19/2021] [Accepted: 10/25/2021] [Indexed: 12/11/2022] Open
Abstract
Bone-marrow-derived mesenchymal stem cells (BM-MSCs) are one of the most widely studied postnatal stem cell populations and are considered to utilize more frequently in cell-based therapy and cancer. These types of stem cells can undergo multilineage differentiation including blood cells, cardiac cells, and osteogenic cells differentiation, thus providing an alternative source of mesenchymal stem cells (MSCs) for tissue engineering and personalized medicine. Despite the ability to reprogram human adult somatic cells to induced pluripotent stem cells (iPSCs) in culture which provided a great opportunity and opened the new door for establishing the in vitro disease modeling and generating an unlimited source for cell base therapy, using MSCs for regeneration purposes still have a great chance to cure diseases. In this review, we discuss the important issues in MSCs biology including the origin and functions of MSCs and their application for craniofacial and periodontal tissue regeneration, discuss the potential and clinical applications of this type of stem cells in differentiation to maxillofacial bone and cartilage in vitro, and address important future hopes and challenges in this field.
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Ma D, Hernandez GA, Lefebvre AEYT, Alshetaiwi H, Blake K, Dave KR, Rauf M, Williams JW, Davis RT, Evans KT, Longworth A, Masoud MYG, Lee R, Edwards RA, Digman MA, Kessenbrock K, Lawson DA. Patient-derived xenograft culture-transplant system for investigation of human breast cancer metastasis. Commun Biol 2021; 4:1268. [PMID: 34741115 PMCID: PMC8571269 DOI: 10.1038/s42003-021-02596-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 08/04/2021] [Indexed: 12/14/2022] Open
Abstract
Metastasis is a fatal disease where research progress has been hindered by a lack of authentic experimental models. Here, we develop a 3D tumor sphere culture-transplant system that facilitates the growth and engineering of patient-derived xenograft (PDX) tumor cells for functional metastasis assays in vivo. Orthotopic transplantation and RNA sequencing (RNA-seq) analyses show that PDX tumor spheres maintain tumorigenic potential, and the molecular marker and global transcriptome signatures of native tumor cells. Tumor spheres display robust capacity for lentiviral engineering and dissemination in spontaneous and experimental metastasis assays in vivo. Inhibition of pathways previously reported to attenuate metastasis also inhibit metastasis after sphere culture, validating our approach for authentic investigations of metastasis. Finally, we demonstrate a new role for the metabolic enzyme NME1 in promoting breast cancer metastasis, providing proof-of-principle that our culture-transplant system can be used for authentic propagation and engineering of patient tumor cells for functional studies of metastasis.
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Affiliation(s)
- Dennis Ma
- Department of Biological Chemistry, University of California, Irvine, CA, USA
| | - Grace A Hernandez
- Department of Physiology and Biophysics, University of California, Irvine, CA, USA
| | | | - Hamad Alshetaiwi
- Department of Biological Chemistry, University of California, Irvine, CA, USA.,Department of Pathology, University of Hail, Hail, Saudi Arabia
| | - Kerrigan Blake
- Center for Complex Biological Systems, University of California, Irvine, CA, USA
| | - Kushal R Dave
- Department of Physiology and Biophysics, University of California, Irvine, CA, USA
| | - Maha Rauf
- Department of Biological Chemistry, University of California, Irvine, CA, USA
| | - Justice W Williams
- Department of Biological Chemistry, University of California, Irvine, CA, USA
| | - Ryan T Davis
- Department of Physiology and Biophysics, University of California, Irvine, CA, USA
| | - Katrina T Evans
- Department of Physiology and Biophysics, University of California, Irvine, CA, USA
| | - Aaron Longworth
- Department of Physiology and Biophysics, University of California, Irvine, CA, USA
| | - Madona Y G Masoud
- Department of Physiology and Biophysics, University of California, Irvine, CA, USA
| | - Regis Lee
- Department of Physiology and Biophysics, University of California, Irvine, CA, USA
| | - Robert A Edwards
- Department of Pathology & Laboratory Medicine, University of California, Irvine, CA, USA
| | - Michelle A Digman
- Department of Biomedical Engineering, University of California, Irvine, CA, USA
| | - Kai Kessenbrock
- Department of Biological Chemistry, University of California, Irvine, CA, USA
| | - Devon A Lawson
- Department of Physiology and Biophysics, University of California, Irvine, CA, USA.
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Mu J, Gao S, Yang J, Wu F, Zhou H. Fundamental and Clinical Applications of Materials Based on Cancer-Associated Fibroblasts in Cancers. Int J Mol Sci 2021; 22:11671. [PMID: 34769102 PMCID: PMC8583912 DOI: 10.3390/ijms222111671] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/21/2021] [Accepted: 10/26/2021] [Indexed: 02/05/2023] Open
Abstract
Cancer stromal cells play a role in promoting tumor relapse and therapeutic resistance. Therefore, the current treatment paradigms for cancers are usually insufficient to eradicate cancer cells, and anti-cancer therapeutic strategies targeting stromal cells have been developed. Cancer-associated fibroblasts (CAFs) are perpetually activated fibroblasts in the tumor stroma. CAFs are the most abundant and highly heterogeneous stromal cells, and they are critically involved in cancer occurrence and progression. These effects are due to their various roles in the remodeling of the extracellular matrix, maintenance of cancer stemness, modulation of tumor metabolism, and promotion of therapy resistance. Recently, biomaterials and nanomaterials based on CAFs have been increasingly developed to perform gene or protein expression analysis, three-dimensional (3D) co-cultivation, and targeted drug delivery in cancer treatment. In this review, we systematically summarize the current research to fully understand the relevant materials and their functional diversity in CAFs, and we highlight the potential clinical applications of CAFs-oriented biomaterials and nanomaterials in anti-cancer therapy.
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Affiliation(s)
- Jingtian Mu
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, Frontier Innovation Center for Dental Medicine Plus, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (J.M.); (J.Y.)
| | - Shengtao Gao
- State Key Laboratory of Oral Diseases, West China College of Stomatology, Sichuan University, Chengdu 610041, China;
| | - Jin Yang
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, Frontier Innovation Center for Dental Medicine Plus, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (J.M.); (J.Y.)
| | - Fanglong Wu
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, Frontier Innovation Center for Dental Medicine Plus, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (J.M.); (J.Y.)
| | - Hongmei Zhou
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, Frontier Innovation Center for Dental Medicine Plus, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (J.M.); (J.Y.)
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Jaiswal SK, Raj S, DePamphilis ML. Developmental Acquisition of p53 Functions. Genes (Basel) 2021; 12:genes12111675. [PMID: 34828285 PMCID: PMC8622856 DOI: 10.3390/genes12111675] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 10/14/2021] [Accepted: 10/21/2021] [Indexed: 12/12/2022] Open
Abstract
Remarkably, the p53 transcription factor, referred to as “the guardian of the genome”, is not essential for mammalian development. Moreover, efforts to identify p53-dependent developmental events have produced contradictory conclusions. Given the importance of pluripotent stem cells as models of mammalian development, and their applications in regenerative medicine and disease, resolving these conflicts is essential. Here we attempt to reconcile disparate data into justifiable conclusions predicated on reports that p53-dependent transcription is first detected in late mouse blastocysts, that p53 activity first becomes potentially lethal during gastrulation, and that apoptosis does not depend on p53. Furthermore, p53 does not regulate expression of genes required for pluripotency in embryonic stem cells (ESCs); it contributes to ESC genomic stability and differentiation. Depending on conditions, p53 accelerates initiation of apoptosis in ESCs in response to DNA damage, but cell cycle arrest as well as the rate and extent of apoptosis in ESCs are p53-independent. In embryonic fibroblasts, p53 induces cell cycle arrest to allow repair of DNA damage, and cell senescence to prevent proliferation of cells with extensive damage.
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Affiliation(s)
- Sushil K. Jaiswal
- National Institute of Child Health and Human Development, Bethesda, MD 20892, USA;
- National Human Genome Research Institute, Bethesda, MD 20892, USA
| | - Sonam Raj
- National Cancer Institute, Bethesda, MD 20892, USA;
| | - Melvin L. DePamphilis
- National Institute of Child Health and Human Development, Bethesda, MD 20892, USA;
- Correspondence:
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Dilip Kumar S, Aashabharathi M, KarthigaDevi G, Subbaiya R, Saravanan M. Insights of CRISPR-Cas systems in stem cells: progress in regenerative medicine. Mol Biol Rep 2021; 49:657-673. [PMID: 34687393 DOI: 10.1007/s11033-021-06832-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 09/24/2021] [Indexed: 12/16/2022]
Abstract
Regenerative medicine, a therapeutic approach using stem cells, aims to rejuvenate and restore the normalized function of the cells, tissues, and organs that are injured, malfunctioning, and afflicted. This influential technology reaches its zenith when it is integrated with the CRISPR-Cas (clustered regularly interspaced short palindromic repeats-CRISPR associated) technology of genome editing. This tool acts as a programmable restriction enzyme system, which targets DNA as well as RNA and gets redeployed for the customization of DNA/RNA sequences. The dynamic behaviour of nuclear manipulation and transcriptional regulation by CRISPR-Cas technology renders it with numerous employment in the field of biologics and research. Here, the possible impact of the commonly practiced CRISPR-Cas systems in regenerative medicines is being reviewed. Primarily, the discussion of the working mechanism of this system and the fate of stem cells will be scrutinized. A detailed description of the CRISPR based regenerative therapeutic approaches for a horde of diseases like genetic disorders, neural diseases, and blood-related diseases is elucidated.
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Affiliation(s)
- Shanmugam Dilip Kumar
- Department of Biotechnology, Sri Venkateswara College of Engineering, Sriperumbudur, Chennai, Tamil Nadu, 602 117, India
| | - Manimaran Aashabharathi
- Department of Biotechnology, Sree Sastha Institute of Engineering and Technology, Chembarambakkam, Chennai, Tamil Nadu, 600 123, India
| | - Guruviah KarthigaDevi
- Department of Biotechnology, Sri Venkateswara College of Engineering, Sriperumbudur, Chennai, Tamil Nadu, 602 117, India
| | - Ramasamy Subbaiya
- Department of Biological Sciences, School of Mathematics and Natural Sciences, The Copperbelt University, Riverside, Jambo Drive, P.O Box. 21692, Kitwe, Zambia
| | - Muthupandian Saravanan
- AMR and Nanomedicine Laboratory, Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, Tamil Nadu, 600 077, India.
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Bonora G, Ramani V, Singh R, Fang H, Jackson DL, Srivatsan S, Qiu R, Lee C, Trapnell C, Shendure J, Duan Z, Deng X, Noble WS, Disteche CM. Single-cell landscape of nuclear configuration and gene expression during stem cell differentiation and X inactivation. Genome Biol 2021; 22:279. [PMID: 34579774 PMCID: PMC8474932 DOI: 10.1186/s13059-021-02432-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 07/07/2021] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Mammalian development is associated with extensive changes in gene expression, chromatin accessibility, and nuclear structure. Here, we follow such changes associated with mouse embryonic stem cell differentiation and X inactivation by integrating, for the first time, allele-specific data from these three modalities obtained by high-throughput single-cell RNA-seq, ATAC-seq, and Hi-C. RESULTS Allele-specific contact decay profiles obtained by single-cell Hi-C clearly show that the inactive X chromosome has a unique profile in differentiated cells that have undergone X inactivation. Loss of this inactive X-specific structure at mitosis is followed by its reappearance during the cell cycle, suggesting a "bookmark" mechanism. Differentiation of embryonic stem cells to follow the onset of X inactivation is associated with changes in contact decay profiles that occur in parallel on both the X chromosomes and autosomes. Single-cell RNA-seq and ATAC-seq show evidence of a delay in female versus male cells, due to the presence of two active X chromosomes at early stages of differentiation. The onset of the inactive X-specific structure in single cells occurs later than gene silencing, consistent with the idea that chromatin compaction is a late event of X inactivation. Single-cell Hi-C highlights evidence of discrete changes in nuclear structure characterized by the acquisition of very long-range contacts throughout the nucleus. Novel computational approaches allow for the effective alignment of single-cell gene expression, chromatin accessibility, and 3D chromosome structure. CONCLUSIONS Based on trajectory analyses, three distinct nuclear structure states are detected reflecting discrete and profound simultaneous changes not only to the structure of the X chromosomes, but also to that of autosomes during differentiation. Our study reveals that long-range structural changes to chromosomes appear as discrete events, unlike progressive changes in gene expression and chromatin accessibility.
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Affiliation(s)
- Giancarlo Bonora
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - Vijay Ramani
- Department of Biochemistry & Biophysics, University of California San Francisco, San Francisco, CA, USA
| | - Ritambhara Singh
- Department of Computer Science, Brown University, Providence, RI, USA
- Center for Computational Molecular Biology, Brown University, Providence, RI, USA
| | - He Fang
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA
| | - Dana L Jackson
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - Sanjay Srivatsan
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - Ruolan Qiu
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - Choli Lee
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - Cole Trapnell
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
- Brotman Baty Institute for Precision Medicine, Seattle, WA, USA
- Allen Discovery Center for Cell Lineage Tracing, Seattle, WA, USA
| | - Jay Shendure
- Department of Genome Sciences, University of Washington, Seattle, WA, USA
- Brotman Baty Institute for Precision Medicine, Seattle, WA, USA
- Allen Discovery Center for Cell Lineage Tracing, Seattle, WA, USA
- Howard Hughes Medical Institute, Seattle, WA, USA
| | - Zhijun Duan
- Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, USA
- Division of Hematology, Department of Medicine, University of Washington, Seattle, USA
| | - Xinxian Deng
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA.
| | - William S Noble
- Department of Genome Sciences, University of Washington, Seattle, WA, USA.
- Paul G. Allen School of Computer Science and Engineering, University of Washington, Seattle, WA, USA.
| | - Christine M Disteche
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA.
- Brotman Baty Institute for Precision Medicine, Seattle, WA, USA.
- Department of Medicine, University of Washington, Seattle, WA, USA.
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40
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Detection of Novel Potential Regulators of Stem Cell Differentiation and Cardiogenesis through Combined Genome-Wide Profiling of Protein-Coding Transcripts and microRNAs. Cells 2021; 10:cells10092477. [PMID: 34572125 PMCID: PMC8469649 DOI: 10.3390/cells10092477] [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] [Received: 08/01/2021] [Revised: 09/02/2021] [Accepted: 09/13/2021] [Indexed: 11/16/2022] Open
Abstract
In vitro differentiation of embryonic stem cells (ESCs) provides a convenient basis for the study of microRNA-based gene regulation that is relevant for early cardiogenic processes. However, to which degree insights gained from in vitro differentiation models can be readily transferred to the in vivo system remains unclear. In this study, we profiled simultaneous genome-wide measurements of mRNAs and microRNAs (miRNAs) of differentiating murine ESCs (mESCs) and integrated putative miRNA-gene interactions to assess miRNA-driven gene regulation. To identify interactions conserved between in vivo and in vitro, we combined our analysis with a recent transcriptomic study of early murine heart development in vivo. We detected over 200 putative miRNA-mRNA interactions with conserved expression patterns that were indicative of gene regulation across the in vitro and in vivo studies. A substantial proportion of candidate interactions have been already linked to cardiogenesis, supporting the validity of our approach. Notably, we also detected miRNAs with expression patterns that closely resembled those of key developmental transcription factors. The approach taken in this study enabled the identification of miRNA interactions in in vitro models with potential relevance for early cardiogenic development. Such comparative approaches will be important for the faithful application of stem cells in cardiovascular research.
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41
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Lim J, Ching H, Yoon JK, Jeon NL, Kim Y. Microvascularized tumor organoids-on-chips: advancing preclinical drug screening with pathophysiological relevance. NANO CONVERGENCE 2021; 8:12. [PMID: 33846849 PMCID: PMC8042002 DOI: 10.1186/s40580-021-00261-y] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 03/17/2021] [Indexed: 05/06/2023]
Abstract
Recent developments of organoids engineering and organ-on-a-chip microfluidic technologies have enabled the recapitulation of the major functions and architectures of microscale human tissue, including tumor pathophysiology. Nevertheless, there remain challenges in recapitulating the complexity and heterogeneity of tumor microenvironment. The integration of these engineering technologies suggests a potential strategy to overcome the limitations in reconstituting the perfusable microvascular system of large-scale tumors conserving their key functional features. Here, we review the recent progress of in vitro tumor-on-a-chip microfluidic technologies, focusing on the reconstruction of microvascularized organoid models to suggest a better platform for personalized cancer medicine.
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Affiliation(s)
- Jungeun Lim
- School of Mechanical and Aerospace Engineering, Seoul National University, Seoul, 08826, Republic of Korea
- George W, Woodruff School of Mechanical Engineering, Georgia Institute of Technology, North Ave NW, Atlanta, GA, 30332, USA
| | - Hanna Ching
- School of Mechanical and Aerospace Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jeong-Kee Yoon
- School of Mechanical and Aerospace Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Noo Li Jeon
- George W, Woodruff School of Mechanical Engineering, Georgia Institute of Technology, North Ave NW, Atlanta, GA, 30332, USA
- Institute of Advanced Machinery and Design, Seoul National University, Seoul, 08826, Republic of Korea
- Institute of Bioengineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - YongTae Kim
- School of Mechanical and Aerospace Engineering, Seoul National University, Seoul, 08826, Republic of Korea.
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, 30332, USA.
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA.
- Institute for Electronics and Nanotechnology, Georgia Institute of Technology, Atlanta, GA, 30332, USA.
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Network-driven discovery yields new insight into Shox2-dependent cardiac rhythm control. BIOCHIMICA ET BIOPHYSICA ACTA-GENE REGULATORY MECHANISMS 2021; 1864:194702. [PMID: 33706013 DOI: 10.1016/j.bbagrm.2021.194702] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 02/22/2021] [Accepted: 02/23/2021] [Indexed: 11/23/2022]
Abstract
The homeodomain transcription factor SHOX2 is involved in the development and function of the heart's primary pacemaker, the sinoatrial node (SAN), and has been associated with cardiac conduction-related diseases such as atrial fibrillation and sinus node dysfunction. To shed light on Shox2-dependent genetic processes involved in these diseases, we established a murine embryonic stem cell (ESC) cardiac differentiation model to investigate Shox2 pathways in SAN-like cardiomyocytes. Differential RNA-seq-based expression profiling of Shox2+/+ and Shox2-/- ESCs revealed 94 dysregulated transcripts in Shox2-/- ESC-derived SAN-like cells. Of these, 15 putative Shox2 target genes were selected for further validation based on comparative expression analysis with SAN- and right atria-enriched genes. Network-based analyses, integrating data from the Mouse Organogenesis Cell Atlas and the Ingenuity pathways, as well as validation in mouse and zebrafish models confirmed a regulatory role for the novel identified Shox2 target genes including Cav1, Fkbp10, Igfbp5, Mcf2l and Nr2f2. Our results indicate that genetic networks involving SHOX2 may contribute to conduction traits through the regulation of these genes.
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Wang L, Ye Z, Jang YY. Convergence of human pluripotent stem cell, organoid, and genome editing technologies. Exp Biol Med (Maywood) 2021; 246:861-875. [PMID: 33467883 DOI: 10.1177/1535370220985808] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
The last decade has seen many exciting technological breakthroughs that greatly expanded the toolboxes for biological and biomedical research, yet few have had more impact than induced pluripotent stem cells and modern-day genome editing. These technologies are providing unprecedented opportunities to improve physiological relevance of experimental models, further our understanding of developmental processes, and develop novel therapies. One of the research areas that benefit greatly from these technological advances is the three-dimensional human organoid culture systems that resemble human tissues morphologically and physiologically. Here we summarize the development of human pluripotent stem cells and their differentiation through organoid formation. We further discuss how genetic modifications, genome editing in particular, were applied to answer basic biological and biomedical questions using organoid cultures of both somatic and pluripotent stem cell origins. Finally, we discuss the potential challenges of applying human pluripotent stem cell and organoid technologies for safety and efficiency evaluation of emerging genome editing tools.
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Affiliation(s)
- Lin Wang
- Division of Cellular and Gene Therapies, Center for Biologics Evaluation and Research, US Food and Drug Administration, Silver Spring, MD 20993, USA
| | - Zhaohui Ye
- Division of Cellular and Gene Therapies, Center for Biologics Evaluation and Research, US Food and Drug Administration, Silver Spring, MD 20993, USA
| | - Yoon-Young Jang
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, John Hopkins University, Baltimore, MD 21218, USA
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Pennarossa G, Arcuri S, De Iorio T, Gandolfi F, Brevini TAL. Current Advances in 3D Tissue and Organ Reconstruction. Int J Mol Sci 2021; 22:E830. [PMID: 33467648 PMCID: PMC7830719 DOI: 10.3390/ijms22020830] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 12/31/2020] [Accepted: 01/13/2021] [Indexed: 12/11/2022] Open
Abstract
Bi-dimensional culture systems have represented the most used method to study cell biology outside the body for over a century. Although they convey useful information, such systems may lose tissue-specific architecture, biomechanical effectors, and biochemical cues deriving from the native extracellular matrix, with significant alterations in several cellular functions and processes. Notably, the introduction of three-dimensional (3D) platforms that are able to re-create in vitro the structures of the native tissue, have overcome some of these issues, since they better mimic the in vivo milieu and reduce the gap between the cell culture ambient and the tissue environment. 3D culture systems are currently used in a broad range of studies, from cancer and stem cell biology, to drug testing and discovery. Here, we describe the mechanisms used by cells to perceive and respond to biomechanical cues and the main signaling pathways involved. We provide an overall perspective of the most recent 3D technologies. Given the breadth of the subject, we concentrate on the use of hydrogels, bioreactors, 3D printing and bioprinting, nanofiber-based scaffolds, and preparation of a decellularized bio-matrix. In addition, we report the possibility to combine the use of 3D cultures with functionalized nanoparticles to obtain highly predictive in vitro models for use in the nanomedicine field.
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Affiliation(s)
- Georgia Pennarossa
- Laboratory of Biomedical Embryology, Department of Health, Animal Science and Food Safety and Center for Stem Cell Research, Università degli Studi di Milano, Via Celoria 10, 20133 Milan, Italy; (G.P.); (S.A.); (T.D.I.)
| | - Sharon Arcuri
- Laboratory of Biomedical Embryology, Department of Health, Animal Science and Food Safety and Center for Stem Cell Research, Università degli Studi di Milano, Via Celoria 10, 20133 Milan, Italy; (G.P.); (S.A.); (T.D.I.)
| | - Teresina De Iorio
- Laboratory of Biomedical Embryology, Department of Health, Animal Science and Food Safety and Center for Stem Cell Research, Università degli Studi di Milano, Via Celoria 10, 20133 Milan, Italy; (G.P.); (S.A.); (T.D.I.)
| | - Fulvio Gandolfi
- Department of Agricultural and Environmental Sciences—Production, Landscape, Agroenergy and Center for Stem Cell Research, Università degli Studi di Milano, Via Celoria 2, 20133 Milan, Italy;
| | - Tiziana A. L. Brevini
- Laboratory of Biomedical Embryology, Department of Health, Animal Science and Food Safety and Center for Stem Cell Research, Università degli Studi di Milano, Via Celoria 10, 20133 Milan, Italy; (G.P.); (S.A.); (T.D.I.)
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Katolikova NV, Malashicheva AB, Gainetdinov RR. Cell Replacement Therapy in Parkinson’s Disease—History of Development and Prospects for Use in Clinical Practice. Mol Biol 2021. [DOI: 10.1134/s0026893320060060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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46
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Posabella A, Alber AB, Undeutsch HJ, Droeser RA, Hollenberg AN, Ikonomou L, Kotton DN. Derivation of Thyroid Follicular Cells From Pluripotent Stem Cells: Insights From Development and Implications for Regenerative Medicine. Front Endocrinol (Lausanne) 2021; 12:666565. [PMID: 33959101 PMCID: PMC8095374 DOI: 10.3389/fendo.2021.666565] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 03/29/2021] [Indexed: 11/13/2022] Open
Abstract
Stem cell-based therapies to reconstitute in vivo organ function hold great promise for future clinical applications to a variety of diseases. Hypothyroidism resulting from congenital lack of functional thyrocytes, surgical tissue removal, or gland ablation, represents a particularly attractive endocrine disease target that may be conceivably cured by transplantation of long-lived functional thyroid progenitors or mature follicular epithelial cells, provided a source of autologous cells can be generated and a variety of technical and biological challenges can be surmounted. Here we review the emerging literature indicating that thyroid follicular epithelial cells can now be engineered in vitro from the pluripotent stem cells (PSCs) of mice, normal humans, or patients with congenital hypothyroidism. We review the in vivo embryonic development of the thyroid gland and explain how emerging discoveries in developmental biology have been utilized as a roadmap for driving PSCs, which resemble cells of the early embryo, into mature functional thyroid follicles in vitro. Finally, we discuss the bioengineering, biological, and clinical hurdles that now need to be addressed if the goals of life-long cure of hypothyroidism through cell- and/or gene-based therapies are to be attained.
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Affiliation(s)
- Alberto Posabella
- Center for Regenerative Medicine, Boston University and Boston Medical Center, Boston, MA, United States
- University Center of Gastrointestinal and Liver Diseases—Clarunis, University of Basel, Basel, Switzerland
| | - Andrea B. Alber
- Center for Regenerative Medicine, Boston University and Boston Medical Center, Boston, MA, United States
| | - Hendrik J. Undeutsch
- Division of Endocrinology, Diabetes and Metabolism, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, NY, United States
| | - Raoul A. Droeser
- University Center of Gastrointestinal and Liver Diseases—Clarunis, University of Basel, Basel, Switzerland
| | - Anthony N. Hollenberg
- Division of Endocrinology, Diabetes and Metabolism, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, NY, United States
| | - Laertis Ikonomou
- Center for Regenerative Medicine, Boston University and Boston Medical Center, Boston, MA, United States
- The Pulmonary Center and Department of Medicine, Boston University School of Medicine, Boston, MA, United States
- Department of Oral Biology, School of Dental Medicine, University at Buffalo, State University of New York, Buffalo, NY, United States
| | - Darrell N. Kotton
- Center for Regenerative Medicine, Boston University and Boston Medical Center, Boston, MA, United States
- The Pulmonary Center and Department of Medicine, Boston University School of Medicine, Boston, MA, United States
- *Correspondence: Darrell N. Kotton,
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47
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Hung CH, Wang KY, Liou YH, Wang JP, Huang AYS, Lee TL, Jiang ST, Liao NS, Shyu YC, Shen CKJ. Negative Regulation of the Differentiation of Flk2 - CD34 - LSK Hematopoietic Stem Cells by EKLF/KLF1. Int J Mol Sci 2020; 21:E8448. [PMID: 33182781 PMCID: PMC7697791 DOI: 10.3390/ijms21228448] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 10/30/2020] [Accepted: 11/05/2020] [Indexed: 12/13/2022] Open
Abstract
Erythroid Krüppel-like factor (EKLF/KLF1) was identified initially as a critical erythroid-specific transcription factor and was later found to be also expressed in other types of hematopoietic cells, including megakaryocytes and several progenitors. In this study, we have examined the regulatory effects of EKLF on hematopoiesis by comparative analysis of E14.5 fetal livers from wild-type and Eklf gene knockout (KO) mouse embryos. Depletion of EKLF expression greatly changes the populations of different types of hematopoietic cells, including, unexpectedly, the long-term hematopoietic stem cells Flk2- CD34- Lin- Sca1+ c-Kit+ (LSK)-HSC. In an interesting correlation, Eklf is expressed at a relatively high level in multipotent progenitor (MPP). Furthermore, EKLF appears to repress the expression of the colony-stimulating factor 2 receptor β subunit (CSF2RB). As a result, Flk2- CD34- LSK-HSC gains increased differentiation capability upon depletion of EKLF, as demonstrated by the methylcellulose colony formation assay and by serial transplantation experiments in vivo. Together, these data demonstrate the regulation of hematopoiesis in vertebrates by EKLF through its negative regulatory effects on the differentiation of the hematopoietic stem and progenitor cells, including Flk2- CD34- LSK-HSCs.
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Affiliation(s)
- Chun-Hao Hung
- Institute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan; (C.-H.H.); (K.-Y.W.); (Y.-H.L.); (J.-P.W.); (A.Y.-S.H.); (T.-L.L.); (N.-S.L.)
| | - Keh-Yang Wang
- Institute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan; (C.-H.H.); (K.-Y.W.); (Y.-H.L.); (J.-P.W.); (A.Y.-S.H.); (T.-L.L.); (N.-S.L.)
| | - Yae-Huei Liou
- Institute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan; (C.-H.H.); (K.-Y.W.); (Y.-H.L.); (J.-P.W.); (A.Y.-S.H.); (T.-L.L.); (N.-S.L.)
| | - Jing-Ping Wang
- Institute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan; (C.-H.H.); (K.-Y.W.); (Y.-H.L.); (J.-P.W.); (A.Y.-S.H.); (T.-L.L.); (N.-S.L.)
| | - Anna Yu-Szu Huang
- Institute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan; (C.-H.H.); (K.-Y.W.); (Y.-H.L.); (J.-P.W.); (A.Y.-S.H.); (T.-L.L.); (N.-S.L.)
| | - Tung-Liang Lee
- Institute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan; (C.-H.H.); (K.-Y.W.); (Y.-H.L.); (J.-P.W.); (A.Y.-S.H.); (T.-L.L.); (N.-S.L.)
| | - Si-Tse Jiang
- Department of Research and Development, National Laboratory Animal Center, National Applied Research Laboratories, Tainan 74147, Taiwan;
| | - Nah-Shih Liao
- Institute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan; (C.-H.H.); (K.-Y.W.); (Y.-H.L.); (J.-P.W.); (A.Y.-S.H.); (T.-L.L.); (N.-S.L.)
| | - Yu-Chiau Shyu
- Institute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan; (C.-H.H.); (K.-Y.W.); (Y.-H.L.); (J.-P.W.); (A.Y.-S.H.); (T.-L.L.); (N.-S.L.)
- Department of Nursing, Chang Gung University of Science and Technology, Taoyuan City 333, Taiwan
- Community Medicine Research Center, Chang Gung Memorial Hospital, Keelung Branch, Keelung 204, Taiwan
| | - Che-Kun James Shen
- Institute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan; (C.-H.H.); (K.-Y.W.); (Y.-H.L.); (J.-P.W.); (A.Y.-S.H.); (T.-L.L.); (N.-S.L.)
- The PhD Program for Neural Regenerative Medicine, Taipei Medical University, Taipei 115, Taiwan
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48
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Ngondo RP, Cohen-Tannoudji M, Ciaudo C. Fast In Vitro Procedure to Identify Extraembryonic Differentiation Defect of Mouse Embryonic Stem Cells. STAR Protoc 2020; 1:100127. [PMID: 33377021 PMCID: PMC7756973 DOI: 10.1016/j.xpro.2020.100127] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Mouse embryonic stem cells (mESCs) are a powerful model to study early mouse development. These blastocyst-derived cells can maintain pluripotency and differentiate into the three embryonic germ layers and an extraembryonic layer, the extraembryonic endoderm (ExEn), which shares similar molecular markers to the definitive endoderm. Here, we present a fast procedure to identify a differentiation defect of mESCs toward ExEn in vitro through the molecular and cellular characterization of embryoid bodies, followed by direct differentiation of mESCs into ExEn. For complete details on the use and execution of this protocol, please refer to Ngondo et al. (2018).
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Affiliation(s)
- Richard Patryk Ngondo
- University of Strasbourg, Strasbourg, France.,Institut de Biologie Moléculaire des Plantes UPR-CNRS 2357, 12 rue du Général Zimmer, 67084 Strasbourg, France
| | - Michel Cohen-Tannoudji
- Early Mammalian Development and Stem Cell Biology, Institut Pasteur, CNRS UMR 3738, 25 rue du docteur Roux, 75015 Paris, France
| | - Constance Ciaudo
- Swiss Federal Institute of Technology Zurich, IMHS, Chair of RNAi and Genome Integrity, 8093 Zurich, Switzerland
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49
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Velasco V, Shariati SA, Esfandyarpour R. Microtechnology-based methods for organoid models. MICROSYSTEMS & NANOENGINEERING 2020; 6:76. [PMID: 34567686 PMCID: PMC8433138 DOI: 10.1038/s41378-020-00185-3] [Citation(s) in RCA: 124] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 05/10/2020] [Accepted: 06/03/2020] [Indexed: 05/03/2023]
Abstract
Innovations in biomaterials and stem cell technology have allowed for the emergence of novel three-dimensional (3D) tissue-like structures known as organoids and spheroids. As a result, compared to conventional 2D cell culture and animal models, these complex 3D structures have improved the accuracy and facilitated in vitro investigations of human diseases, human development, and personalized medical treatment. Due to the rapid progress of this field, numerous spheroid and organoid production methodologies have been published. However, many of the current spheroid and organoid production techniques are limited by complexity, throughput, and reproducibility. Microfabricated and microscale platforms (e.g., microfluidics and microprinting) have shown promise to address some of the current limitations in both organoid and spheroid generation. Microfabricated and microfluidic devices have been shown to improve nutrient delivery and exchange and have allowed for the arrayed production of size-controlled culture areas that yield more uniform organoids and spheroids for a higher throughput at a lower cost. In this review, we discuss the most recent production methods, challenges currently faced in organoid and spheroid production, and microfabricated and microfluidic applications for improving spheroid and organoid generation. Specifically, we focus on how microfabrication methods and devices such as lithography, microcontact printing, and microfluidic delivery systems can advance organoid and spheroid applications in medicine.
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Affiliation(s)
- Vanessa Velasco
- Biochemistry Department, Stanford University, Palo Alto, CA USA
| | - S. Ali Shariati
- Department of Biomolecular Engineering, Institute for the Biology of Stem Cells, University of California, Santa Cruz, CA USA
| | - Rahim Esfandyarpour
- Department of Electrical Engineering, University of California, Irvine, CA USA
- Department of Biomedical Engineering, University of California Irvine, Irvine, CA USA
- Henry Samueli School of Engineering, University of California, Irvine, CA USA
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50
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Oss-Ronen L, Redden RA, Lelkes PI. Enhanced Induction of Definitive Endoderm Differentiation of Mouse Embryonic Stem Cells in Simulated Microgravity. Stem Cells Dev 2020; 29:1275-1284. [PMID: 32731794 DOI: 10.1089/scd.2020.0097] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Directed in vitro differentiation of pluripotent stem cells toward definitive endoderm (DE) offers great research and therapeutic potential since these cells can further differentiate into cells of the respiratory and gastrointestinal tracts, as well as associated organs such as pancreas, liver, and thyroid. We hypothesized that culturing mouse embryonic stem cells (mESCs) under simulated microgravity (SMG) conditions in rotary bioreactors (BRs) will enhance the induction of directed DE differentiation. To test our hypothesis, we cultured the cells for 6 days in two-dimensional monolayer colony cultures or as embryoid bodies (EBs) in either static conditions or, dynamically, in the rotary BRs. We used flow cytometry and quantitative polymerase chain reaction to analyze the expression of marker proteins and genes, respectively, for pluripotency (Oct3/4) and mesendodermal (Brachyury T), endodermal (FoxA2, Sox17, CxCr4), and mesodermal (Vimentin, Meox1) lineages. Culture in the form of EBs in maintenance media in the presence of leukemia inhibitory factor, in static or SMG conditions, induced expression of some of the differentiation markers, suggesting heterogeneity of the cells. This is in line with previous studies showing that differentiation is initiated as cells are aggregated into EBs even without supplementing differentiation factors to the media. Culturing EBs in static conditions in differentiation media (DM) in the presence of activin A reduced Oct3/4 expression and significantly increased Brachyury T and CxCr4 expression, but downregulated FoxA2 and Sox17. However, culturing in SMG BRs in DM upregulated Brachyury T and all of the DE markers and reduced Oct3/4 expression, indicating the advantage of dynamic cultures in BRs to specifically enhance directed DE differentiation. Given the potential discrepancies between the SMG conditions on earth and actual microgravity conditions, as observed in other studies, future experiments in space flight are required to validate the effects of reduced gravity on mESC differentiation.
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Affiliation(s)
- Liat Oss-Ronen
- Department of Bioengineering, College of Engineering, Temple University, Philadelphia, Pennsylvania, USA
| | - Robert A Redden
- Department of Bioengineering, College of Engineering, Temple University, Philadelphia, Pennsylvania, USA
| | - Peter I Lelkes
- Department of Bioengineering, College of Engineering, Temple University, Philadelphia, Pennsylvania, USA
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