201
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Papaioannou MD, Sangster K, Sajid RS, Djuric U, Diamandis P. Cerebral organoids: emerging ex vivo humanoid models of glioblastoma. Acta Neuropathol Commun 2020; 8:209. [PMID: 33261657 PMCID: PMC7706050 DOI: 10.1186/s40478-020-01077-3] [Citation(s) in RCA: 4] [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: 09/15/2020] [Accepted: 11/11/2020] [Indexed: 02/07/2023] Open
Abstract
Glioblastoma is an aggressive form of brain cancer that has seen only marginal improvements in its bleak survival outlook of 12-15 months over the last forty years. There is therefore an urgent need for the development of advanced drug screening platforms and systems that can better recapitulate glioblastoma's infiltrative biology, a process largely responsible for its relentless propensity for recurrence and progression. Recent advances in stem cell biology have allowed the generation of artificial tridimensional brain-like tissue termed cerebral organoids. In addition to their potential to model brain development, these reagents are providing much needed synthetic humanoid scaffolds to model glioblastoma's infiltrative capacity in a faithful and scalable manner. Here, we highlight and review the early breakthroughs in this growing field and discuss its potential future role for glioblastoma research.
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Affiliation(s)
- Michail-Dimitrios Papaioannou
- Princess Margaret Cancer Centre, 101 College Street, Toronto, ON, M5G 1L7, Canada
- Laboratory Medicine Program, Department of Pathology, University Health Network, 200 Elizabeth Street, Toronto, ON, M5G 2C4, Canada
| | - Kevin Sangster
- Princess Margaret Cancer Centre, 101 College Street, Toronto, ON, M5G 1L7, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, M5S 1A8, Canada
| | - Rifat Shahriar Sajid
- Princess Margaret Cancer Centre, 101 College Street, Toronto, ON, M5G 1L7, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, M5S 1A8, Canada
| | - Ugljesa Djuric
- Princess Margaret Cancer Centre, 101 College Street, Toronto, ON, M5G 1L7, Canada
- Laboratory Medicine Program, Department of Pathology, University Health Network, 200 Elizabeth Street, Toronto, ON, M5G 2C4, Canada
| | - Phedias Diamandis
- Princess Margaret Cancer Centre, 101 College Street, Toronto, ON, M5G 1L7, Canada.
- Laboratory Medicine Program, Department of Pathology, University Health Network, 200 Elizabeth Street, Toronto, ON, M5G 2C4, Canada.
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, M5S 1A8, Canada.
- Department of Medical Biophysics, University of Toronto, Toronto, ON, M5G 1L7, Canada.
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202
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Lopes-Ramos CM, Quackenbush J, DeMeo DL. Genome-Wide Sex and Gender Differences in Cancer. Front Oncol 2020; 10:597788. [PMID: 33330090 PMCID: PMC7719817 DOI: 10.3389/fonc.2020.597788] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Accepted: 10/19/2020] [Indexed: 12/12/2022] Open
Abstract
Despite their known importance in clinical medicine, differences based on sex and gender are among the least studied factors affecting cancer susceptibility, progression, survival, and therapeutic response. In particular, the molecular mechanisms driving sex differences are poorly understood and so most approaches to precision medicine use mutational or other genomic data to assign therapy without considering how the sex of the individual might influence therapeutic efficacy. The mandate by the National Institutes of Health that research studies include sex as a biological variable has begun to expand our understanding on its importance. Sex differences in cancer may arise due to a combination of environmental, genetic, and epigenetic factors, as well as differences in gene regulation, and expression. Extensive sex differences occur genome-wide, and ultimately influence cancer biology and outcomes. In this review, we summarize the current state of knowledge about sex-specific genetic and genome-wide influences in cancer, describe how differences in response to environmental exposures and genetic and epigenetic alterations alter the trajectory of the disease, and provide insights into the importance of integrative analyses in understanding the interplay of sex and genomics in cancer. In particular, we will explore some of the emerging analytical approaches, such as the use of network methods, that are providing a deeper understanding of the drivers of differences based on sex and gender. Better understanding these complex factors and their interactions will improve cancer prevention, treatment, and outcomes for all individuals.
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Affiliation(s)
- Camila M Lopes-Ramos
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - John Quackenbush
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, United States.,Department of Data Science, Dana-Farber Cancer Institute, Boston, MA, United States.,Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - Dawn L DeMeo
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States.,Division of Pulmonary and Critical Care Medicine, Brigham and Women's Hospital, Boston, MA, United States
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203
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Andreatta F, Beccaceci G, Fortuna N, Celotti M, De Felice D, Lorenzoni M, Foletto V, Genovesi S, Rubert J, Alaimo A. The Organoid Era Permits the Development of New Applications to Study Glioblastoma. Cancers (Basel) 2020; 12:E3303. [PMID: 33182346 PMCID: PMC7695252 DOI: 10.3390/cancers12113303] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 11/03/2020] [Accepted: 11/06/2020] [Indexed: 12/13/2022] Open
Abstract
Glioblastoma (GB) is the most frequent and aggressive type of glioma. The lack of reliable GB models, together with its considerable clinical heterogeneity, has impaired a comprehensive investigation of the mechanisms that lead to tumorigenesis, cancer progression, and response to treatments. Recently, 3D cultures have opened the possibility to overcome these challenges and cerebral organoids are emerging as a leading-edge tool in GB research. The opportunity to easily engineer brain organoids via gene editing and to perform co-cultures with patient-derived tumor spheroids has enabled the analysis of cancer development in a context that better mimics brain tissue architecture. Moreover, the establishment of biobanks from GB patient-derived organoids represents a crucial starting point to improve precision medicine therapies. This review exemplifies relevant aspects of 3D models of glioblastoma, with a specific focus on organoids and their involvement in basic and translational research.
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Affiliation(s)
- Francesco Andreatta
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Via Sommarive 9, 38123 Trento, Italy; (F.A.); (G.B.); (N.F.); (M.C.); (D.D.F.); (M.L.); (V.F.); (S.G.); (J.R.)
| | - Giulia Beccaceci
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Via Sommarive 9, 38123 Trento, Italy; (F.A.); (G.B.); (N.F.); (M.C.); (D.D.F.); (M.L.); (V.F.); (S.G.); (J.R.)
| | - Nicolò Fortuna
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Via Sommarive 9, 38123 Trento, Italy; (F.A.); (G.B.); (N.F.); (M.C.); (D.D.F.); (M.L.); (V.F.); (S.G.); (J.R.)
| | - Martina Celotti
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Via Sommarive 9, 38123 Trento, Italy; (F.A.); (G.B.); (N.F.); (M.C.); (D.D.F.); (M.L.); (V.F.); (S.G.); (J.R.)
| | - Dario De Felice
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Via Sommarive 9, 38123 Trento, Italy; (F.A.); (G.B.); (N.F.); (M.C.); (D.D.F.); (M.L.); (V.F.); (S.G.); (J.R.)
| | - Marco Lorenzoni
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Via Sommarive 9, 38123 Trento, Italy; (F.A.); (G.B.); (N.F.); (M.C.); (D.D.F.); (M.L.); (V.F.); (S.G.); (J.R.)
| | - Veronica Foletto
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Via Sommarive 9, 38123 Trento, Italy; (F.A.); (G.B.); (N.F.); (M.C.); (D.D.F.); (M.L.); (V.F.); (S.G.); (J.R.)
| | - Sacha Genovesi
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Via Sommarive 9, 38123 Trento, Italy; (F.A.); (G.B.); (N.F.); (M.C.); (D.D.F.); (M.L.); (V.F.); (S.G.); (J.R.)
| | - Josep Rubert
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Via Sommarive 9, 38123 Trento, Italy; (F.A.); (G.B.); (N.F.); (M.C.); (D.D.F.); (M.L.); (V.F.); (S.G.); (J.R.)
- Interdisciplinary Research Structure of Biotechnology and Biomedicine, Department of Biochemistry and Molecular Biology, Universitat de Valencia, 46100 Burjassot, Spain
| | - Alessandro Alaimo
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Via Sommarive 9, 38123 Trento, Italy; (F.A.); (G.B.); (N.F.); (M.C.); (D.D.F.); (M.L.); (V.F.); (S.G.); (J.R.)
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204
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Modeling cancer progression using human pluripotent stem cell-derived cells and organoids. Stem Cell Res 2020; 49:102063. [PMID: 33137568 PMCID: PMC7849931 DOI: 10.1016/j.scr.2020.102063] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 10/15/2020] [Accepted: 10/20/2020] [Indexed: 01/04/2023] Open
Abstract
Conventional cancer cell lines and animal models have been mainstays of cancer research. More recently, human pluripotent stem cells (hPSCs) and hPSC-derived organoid technologies, together with genome engineering approaches, have provided a complementary platform to model cancer progression. Here, we review the application of these technologies in cancer modeling with respect to the cell-of-origin, cancer propagation, and metastasis. We further discuss the benefits and challenges accompanying the use of hPSC models for cancer research and discuss their broad applicability in drug discovery, biomarker identification, decoding molecular mechanisms, and the deconstruction of clonal and intra-tumoral heterogeneity. In summary, hPSC-derived organoids provide powerful models to recapitulate the pathogenic states in cancer and to perform drug discovery.
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205
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APOE4 exacerbates synapse loss and neurodegeneration in Alzheimer's disease patient iPSC-derived cerebral organoids. Nat Commun 2020; 11:5540. [PMID: 33139712 PMCID: PMC7608683 DOI: 10.1038/s41467-020-19264-0] [Citation(s) in RCA: 173] [Impact Index Per Article: 43.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Accepted: 10/02/2020] [Indexed: 12/25/2022] Open
Abstract
APOE4 is the strongest genetic risk factor associated with late-onset Alzheimer’s disease (AD). To address the underlying mechanism, we develop cerebral organoid models using induced pluripotent stem cells (iPSCs) with APOE ε3/ε3 or ε4/ε4 genotype from individuals with either normal cognition or AD dementia. Cerebral organoids from AD patients carrying APOE ε4/ε4 show greater apoptosis and decreased synaptic integrity. While AD patient-derived cerebral organoids have increased levels of Aβ and phosphorylated tau compared to healthy subject-derived cerebral organoids, APOE4 exacerbates tau pathology in both healthy subject-derived and AD patient-derived organoids. Transcriptomics analysis by RNA-sequencing reveals that cerebral organoids from AD patients are associated with an enhancement of stress granules and disrupted RNA metabolism. Importantly, isogenic conversion of APOE4 to APOE3 attenuates the APOE4-related phenotypes in cerebral organoids from AD patients. Together, our study using human iPSC-organoids recapitulates APOE4-related phenotypes and suggests APOE4-related degenerative pathways contributing to AD pathogenesis. APOE4 is a strong genetic risk factor for late-onset Alzheimer’s disease. Here, the authors show that APOE4 is associated with AD features in hiPSCs-derived cerebral organoids. Isogenic conversion of APOE4 to APOE3 attenuates the AD-associated phenotype.
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206
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Shi Y, Wu Q, Wang X. Modeling brain development and diseases with human cerebral organoids. Curr Opin Neurobiol 2020; 66:103-115. [PMID: 33130409 DOI: 10.1016/j.conb.2020.09.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 09/03/2020] [Accepted: 09/13/2020] [Indexed: 12/12/2022]
Abstract
Understanding the mechanisms that underlie human brain development and neurological and neuropsychiatric disorders is one of the key topics of neurobiology. Because of the poor accessibility of human and non-human primate brain tissues, the current perception and understanding of human brain development have been mainly derived from studies of rodents. However, some human-specific features of neural development cannot be well characterized by these animal models. Thanks to the advances in stem cell technologies, brain organoids are being under rapid development, showing the promising applications in decoding the human brain development and uncovering the pathology of brain diseases. In this review, we mainly summarized the recent advances in the development of brain organoid technology and discussed the limitations, applications and future prospects of this promising field.
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Affiliation(s)
- Yingchao Shi
- State Key Laboratory of Brain and Cognitive Science, CAS Center for Excellence in Brain Science and Intelligence Technology, Institute of Brain-Intelligence Technology (Shanghai), Bioland Laboratory (Guangzhou), Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
| | - Qian Wu
- State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, 100875, China; IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, 100875, China
| | - Xiaoqun Wang
- State Key Laboratory of Brain and Cognitive Science, CAS Center for Excellence in Brain Science and Intelligence Technology, Institute of Brain-Intelligence Technology (Shanghai), Bioland Laboratory (Guangzhou), Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China; Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China; Advanced Innovation Center for Human Brain Protection, Beijing Institute for Brain Disorders, Capital Medical University, Beijing, 100069, China.
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207
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Pamies D, Zurich MG, Hartung T. Organotypic Models to Study Human Glioblastoma: Studying the Beast in Its Ecosystem. iScience 2020; 23:101633. [PMID: 33103073 PMCID: PMC7569333 DOI: 10.1016/j.isci.2020.101633] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Glioblastoma is a very aggressive primary brain tumor in adults, with very low survival rates and no curative treatments. The high failure rate of drug development for this cancer is linked to the high-cost, time-consuming, and inefficient models used to study the disease. Advances in stem cell and in vitro cultures technologies are promising, however, and here we present the advantages and limitations of available organotypic culture models and discuss their possible applications for studying glioblastoma.
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Affiliation(s)
- David Pamies
- Department of Biomedical Sciences, University of Lausanne, Lausanne, Switzerland
- Swiss Centre for Applied Human Toxicology (SCAHT), Switzerland
| | - Marie-Gabrielle Zurich
- Department of Biomedical Sciences, University of Lausanne, Lausanne, Switzerland
- Swiss Centre for Applied Human Toxicology (SCAHT), Switzerland
| | - Thomas Hartung
- Center for Alternatives to Animal Testing (CAAT) Europe, University of Konstanz, Konstanz, Germany
- Center for Alternatives to Animal Testing (CAAT), Johns Hopkins University, Bloomberg School of Public Health, Baltimore, MD, USA
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208
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Shou Y, Liang F, Xu S, Li X. The Application of Brain Organoids: From Neuronal Development to Neurological Diseases. Front Cell Dev Biol 2020; 8:579659. [PMID: 33195219 PMCID: PMC7642488 DOI: 10.3389/fcell.2020.579659] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 09/17/2020] [Indexed: 12/13/2022] Open
Abstract
Brain organoids are derived from induced pluripotent stem cells and embryonic stem cells under three-dimensional culture condition. The generation of an organoid requires the self-assembly of stem cells, progenitor cells, and multiple types of differentiated cells. Organoids display structures that resemble defined brain regions and simulate specific changes of neurological disorders; thus, organoids have become an excellent model for investigating brain development and neurological diseases. In the present review, we have summarized recent advances of the methods of culturing brain organoids and the applications of brain organoids in investigating neurodevelopmental and neurodegenerative diseases.
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Affiliation(s)
- Yikai Shou
- The Children's Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,The Institute of Translational Medicine, School of Medicine, Zhejiang University, Hangzhou, China.,National Clinical Research Center for Child Health, Hangzhou, China
| | - Feng Liang
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Shunliang Xu
- Department of Neurology, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Xuekun Li
- The Children's Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,The Institute of Translational Medicine, School of Medicine, Zhejiang University, Hangzhou, China.,National Clinical Research Center for Child Health, Hangzhou, China
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209
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Wan X, Wu X, Hill MA, Ebner DV. ReN VM spheroids in matrix: A neural progenitor three-dimensional in vitro model reveals DYRK1A inhibitors as potential regulators of radio-sensitivity. Biochem Biophys Res Commun 2020; 531:535-542. [PMID: 32807492 DOI: 10.1016/j.bbrc.2020.07.130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 07/28/2020] [Indexed: 11/15/2022]
Abstract
INTRODUCTION Pre-clinical testing of small molecules for therapeutic development across many pathologies relies on the use of in-vitro and in-vivo models. When designed and implemented well, these models serve to predict the clinical outcome as well as the toxicity of the evaluated therapies. The two-dimensional (2D) reductionist approach where cells are incubated in a mono-layer on hard plastic microtiter plates is relatively inexpensive but not physiologically relevant. In contrast, well developed and applied three dimensional (3D) in vitro models could be employed to bridge the gap between 2D in vitro primary screening and expensive in vivo rodent models by incorporating key features of the tissue microenvironment to explore differentiation, cortical development, cancers and various neuronal dysfunctions. These features include an extracellular matrix, co-culture, tension and perfusion and could replace several hundred rodents in the drug screening validation cascade. METHODS Human neural progenitor cells from middle brain (ReN VM, Merck Millipore, UK) were expanded as instructed by the supplier (Merck Millipore, UK), and then seeded in 96-well low-attachment plates (Corning, UK) to form multicellular spheroids followed by adding a Matrigel layer to mimic extracellular matrix around neural stem cell niche. ReN VM cells were then differentiated via EGF and bFGF deprivation for 7 days and were imaged at day 7. Radiotherapy was mimicked via gamma-radiation at 2Gy in the absence and presence of selected DYRK1A inhibitors Harmine, INDY and Leucettine 41 (L41). Cell viability was measured by AlamarBlue assay. Immunofluorescence staining was used to assess cell pluripotency marker SOX2 and differentiation marker GFAP. RESULTS After 7 days of differentiation, neuron early differentiation marker (GFAP, red) started to be expressed among the cells expressing neural stem cell marker SOX2 (green). Radiation treatment caused significant morphology change including the reduced viability of the spheroids. These spheroids also revealed sensitizing potential of DYRK1A inhibitors tested in this study, including Harmine, INDY and L41. DISCUSSION & CONCLUSIONS Combined with the benefit of greatly reducing the issues associated with in vivo rodent models, including reducing numbers of animals used in a drug screening cascade, cost, ethics, and potential animal welfare burden, we feel the well-developed and applied 3D neural spheroid model presented in this study will provide a crucial tool to evaluate combinatorial therapies, optimal drug concentrations and treatment dosages.
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Affiliation(s)
- Xiao Wan
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, OX3 7FZ, Oxford, England, UK
| | - Xiaoning Wu
- Oxford Institute for Radiation Oncology, University of Oxford, OX3 7DQ, Oxford, England, UK
| | - Mark A Hill
- Oxford Institute for Radiation Oncology, University of Oxford, OX3 7DQ, Oxford, England, UK
| | - Daniel V Ebner
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, OX3 7FZ, Oxford, England, UK.
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210
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MYC in Brain Development and Cancer. Int J Mol Sci 2020; 21:ijms21207742. [PMID: 33092025 PMCID: PMC7588885 DOI: 10.3390/ijms21207742] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Revised: 10/16/2020] [Accepted: 10/16/2020] [Indexed: 12/27/2022] Open
Abstract
The MYC family of transcriptional regulators play significant roles in animal development, including the renewal and maintenance of stem cells. Not surprisingly, given MYC's capacity to promote programs of proliferative cell growth, MYC is frequently upregulated in cancer. Although members of the MYC family are upregulated in nervous system tumours, the mechanisms of how elevated MYC promotes stem cell-driven brain cancers is unknown. If we are to determine how increased MYC might contribute to brain cancer progression, we will require a more complete understanding of MYC's roles during normal brain development. Here, we evaluate evidence for MYC family functions in neural stem cell fate and brain development, with a view to better understand mechanisms of MYC-driven neural malignancies.
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211
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Ruiz-Garcia H, Alvarado-Estrada K, Schiapparelli P, Quinones-Hinojosa A, Trifiletti DM. Engineering Three-Dimensional Tumor Models to Study Glioma Cancer Stem Cells and Tumor Microenvironment. Front Cell Neurosci 2020; 14:558381. [PMID: 33177991 PMCID: PMC7596188 DOI: 10.3389/fncel.2020.558381] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 08/24/2020] [Indexed: 12/15/2022] Open
Abstract
Glioblastoma (GBM) is the most common and devastating primary brain tumor, leading to a uniform fatality after diagnosis. A major difficulty in eradicating GBM is the presence of microscopic residual infiltrating disease remaining after multimodality treatment. Glioma cancer stem cells (CSCs) have been pinpointed as the treatment-resistant tumor component that seeds ultimate tumor progression. Despite the key role of CSCs, the ideal preclinical model to study the genetic and epigenetic landmarks driving their malignant behavior while simulating an accurate interaction with the tumor microenvironment (TME) is still missing. The introduction of three-dimensional (3D) tumor platforms, such as organoids and 3D bioprinting, has allowed for a better representation of the pathophysiologic interactions between glioma CSCs and the TME. Thus, these technologies have enabled a more detailed study of glioma biology, tumor angiogenesis, treatment resistance, and even performing high-throughput screening assays of drug susceptibility. First, we will review the foundation of glioma biology and biomechanics of the TME, and then the most up-to-date insights about the applicability of these new tools in malignant glioma research.
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Affiliation(s)
- Henry Ruiz-Garcia
- Department of Radiation Oncology, Mayo Clinic, Jacksonville, FL, United States.,Department of Neurological Surgery, Mayo Clinic, Jacksonville, FL, United States
| | | | - Paula Schiapparelli
- Department of Neurological Surgery, Mayo Clinic, Jacksonville, FL, United States
| | | | - Daniel M Trifiletti
- Department of Radiation Oncology, Mayo Clinic, Jacksonville, FL, United States.,Department of Neurological Surgery, Mayo Clinic, Jacksonville, FL, United States
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212
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Pasqualini C, Kozaki T, Bruschi M, Nguyen THH, Minard-Colin V, Castel D, Grill J, Ginhoux F. Modeling the Interaction between the Microenvironment and Tumor Cells in Brain Tumors. Neuron 2020; 108:1025-1044. [PMID: 33065047 DOI: 10.1016/j.neuron.2020.09.018] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 08/26/2020] [Accepted: 09/09/2020] [Indexed: 12/18/2022]
Abstract
Despite considerable recent advances in understanding and treating many other cancers, malignant brain tumors remain associated with low survival or severe long-term sequelae. Limited progress, including development of immunotherapies, relates in part to difficulties in accurately reproducing brain microenvironment with current preclinical models. The cellular interactions among resident microglia, recruited tumor-associated macrophages, stromal cells, glial cells, neurons, and cancer cells and how they affect tumor growth or behavior are emerging, yet many questions remain. The role of the blood-brain barrier, extracellular matrix components, and heterogeneity among tumor types and within different regions of a single tumor further complicate the matter. Here, we focus on brain microenvironment features impacted by tumor biology. We also discuss limits of current preclinical models and how complementary models, such as humanized animals and organoids, will allow deeper mechanistic insights on cancer biology, allowing for more efficient testing of therapeutic strategies, including immunotherapy, for brain cancers.
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Affiliation(s)
- Claudia Pasqualini
- Children and Adolescent Oncology Department, Gustave Roussy, Paris-Saclay University, Villejuif, France
| | - Tatsuya Kozaki
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (ASTAR), Singapore, Singapore
| | - Marco Bruschi
- Genomics & Oncogenesis of Pediatric Brain Tumors, INSERM U981, Gustave Roussy, Paris-Saclay University, Villejuif, France
| | - Thi Hai Hoa Nguyen
- Genomics & Oncogenesis of Pediatric Brain Tumors, INSERM U981, Gustave Roussy, Paris-Saclay University, Villejuif, France
| | - Véronique Minard-Colin
- Children and Adolescent Oncology Department, Gustave Roussy, Paris-Saclay University, Villejuif, France; INSERM U1015, Gustave Roussy, Paris-Saclay University, Villejuif, France
| | - David Castel
- Genomics & Oncogenesis of Pediatric Brain Tumors, INSERM U981, Gustave Roussy, Paris-Saclay University, Villejuif, France
| | - Jacques Grill
- Children and Adolescent Oncology Department, Gustave Roussy, Paris-Saclay University, Villejuif, France; Genomics & Oncogenesis of Pediatric Brain Tumors, INSERM U981, Gustave Roussy, Paris-Saclay University, Villejuif, France.
| | - Florent Ginhoux
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (ASTAR), Singapore, Singapore; Shanghai Institute of Immunology, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Translational Immunology Institute, SingHealth Duke-NUS Academic Medical Centre, Singapore, Singapore.
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213
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Tang M, Xie Q, Gimple RC, Zhong Z, Tam T, Tian J, Kidwell RL, Wu Q, Prager BC, Qiu Z, Yu A, Zhu Z, Mesci P, Jing H, Schimelman J, Wang P, Lee D, Lorenzini MH, Dixit D, Zhao L, Bhargava S, Miller TE, Wan X, Tang J, Sun B, Cravatt BF, Muotri AR, Chen S, Rich JN. Three-dimensional bioprinted glioblastoma microenvironments model cellular dependencies and immune interactions. Cell Res 2020; 30:833-853. [PMID: 32499560 PMCID: PMC7608409 DOI: 10.1038/s41422-020-0338-1] [Citation(s) in RCA: 134] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 04/29/2020] [Indexed: 12/15/2022] Open
Abstract
Brain tumors are dynamic complex ecosystems with multiple cell types. To model the brain tumor microenvironment in a reproducible and scalable system, we developed a rapid three-dimensional (3D) bioprinting method to construct clinically relevant biomimetic tissue models. In recurrent glioblastoma, macrophages/microglia prominently contribute to the tumor mass. To parse the function of macrophages in 3D, we compared the growth of glioblastoma stem cells (GSCs) alone or with astrocytes and neural precursor cells in a hyaluronic acid-rich hydrogel, with or without macrophage. Bioprinted constructs integrating macrophage recapitulate patient-derived transcriptional profiles predictive of patient survival, maintenance of stemness, invasion, and drug resistance. Whole-genome CRISPR screening with bioprinted complex systems identified unique molecular dependencies in GSCs, relative to sphere culture. Multicellular bioprinted models serve as a scalable and physiologic platform to interrogate drug sensitivity, cellular crosstalk, invasion, context-specific functional dependencies, as well as immunologic interactions in a species-matched neural environment.
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Affiliation(s)
- Min Tang
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
| | - Qi Xie
- Division of Regenerative Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA, 92037, USA.
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA.
- School of Life Sciences, Westlake University, Hangzhou, Zhejiang 310024, China.
- Key Laboratory of Growth Regulation and Translation Research of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou, Zhejiang 310024, China.
- Institute of Basic Medical Sciences, Westlake Institute for Advanced Study, Hangzhou, Zhejiang 310024, China.
| | - Ryan C Gimple
- Division of Regenerative Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA, 92037, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
- Department of Pathology, Case Western University, Cleveland, OH, USA
| | - Zheng Zhong
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
| | - Trevor Tam
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
| | - Jing Tian
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
| | - Reilly L Kidwell
- Division of Regenerative Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA, 92037, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Qiulian Wu
- Division of Regenerative Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA, 92037, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Briana C Prager
- Division of Regenerative Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA, 92037, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
- Department of Pathology, Case Western University, Cleveland, OH, USA
- Department of Cellular and Molecular Medicine, Cleveland Clinic Lerner Research Institute, Cleveland, OH, USA
| | - Zhixin Qiu
- Division of Regenerative Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA, 92037, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Aaron Yu
- Division of Regenerative Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA, 92037, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Zhe Zhu
- Division of Regenerative Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA, 92037, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Pinar Mesci
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
- Department of Cellular & Molecular Medicine, School of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
- Department of Pediatrics/Rady Children's Hospital San Diego, School of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
| | - Hui Jing
- The Department of Chemistry and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Jacob Schimelman
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
| | - Pengrui Wang
- Materials Science and Engineering Program, University of California San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
| | - Derrick Lee
- Division of Regenerative Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA, 92037, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Michael H Lorenzini
- Division of Regenerative Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA, 92037, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Deobrat Dixit
- Division of Regenerative Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA, 92037, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Linjie Zhao
- Division of Regenerative Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA, 92037, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Shruti Bhargava
- Division of Regenerative Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA, 92037, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Tyler E Miller
- Department of Pathology and Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA
| | - Xueyi Wan
- Division of Biological Sciences, University of California San Diego, La Jolla, CA, 92093, USA
| | - Jing Tang
- School of Life Sciences, Westlake University, Hangzhou, Zhejiang 310024, China
- Key Laboratory of Growth Regulation and Translation Research of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou, Zhejiang 310024, China
- Institute of Basic Medical Sciences, Westlake Institute for Advanced Study, Hangzhou, Zhejiang 310024, China
| | - Bingjie Sun
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
| | - Benjamin F Cravatt
- The Department of Chemistry and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Alysson R Muotri
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
- Department of Cellular & Molecular Medicine, School of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
- Department of Pediatrics/Rady Children's Hospital San Diego, School of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
- Kavli Institute for Brain and Mind, University of California San Diego, La Jolla, CA, 92093, USA
- Center for Academic Research and Training in Anthropogeny (CARTA), La Jolla, CA, 92093, USA
| | - Shaochen Chen
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA.
- Materials Science and Engineering Program, University of California San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA.
- Department of Bioengineering, University of California San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA.
| | - Jeremy N Rich
- Division of Regenerative Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA, 92037, USA.
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA.
- Department of Neurosciences, School of Medicine, University of California San Diego, La Jolla, CA, 92037, USA.
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214
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Gilazieva Z, Ponomarev A, Rutland C, Rizvanov A, Solovyeva V. Promising Applications of Tumor Spheroids and Organoids for Personalized Medicine. Cancers (Basel) 2020; 12:E2727. [PMID: 32977530 PMCID: PMC7598156 DOI: 10.3390/cancers12102727] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 09/14/2020] [Accepted: 09/21/2020] [Indexed: 12/12/2022] Open
Abstract
One of the promising directions in personalized medicine is the use of three-dimensional (3D) tumor models such as spheroids and organoids. Spheroids and organoids are three-dimensional cultures of tumor cells that can be obtained from patient tissue and, using high-throughput personalized medicine methods, provide a suitable therapy for that patient. These 3D models can be obtained from most types of tumors, which provides opportunities for the creation of biobanks with appropriate patient materials that can be used to screen drugs and facilitate the development of therapeutic agents. It should be noted that the use of spheroids and organoids would expand the understanding of tumor biology and its microenvironment, help develop new in vitro platforms for drug testing and create new therapeutic strategies. In this review, we discuss 3D tumor spheroid and organoid models, their advantages and disadvantages, and evaluate their promising use in personalized medicine.
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Affiliation(s)
- Zarema Gilazieva
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kazan, Russia; (Z.G.); (A.P.); (A.R.)
| | - Aleksei Ponomarev
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kazan, Russia; (Z.G.); (A.P.); (A.R.)
| | - Catrin Rutland
- Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2UH, UK;
| | - Albert Rizvanov
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kazan, Russia; (Z.G.); (A.P.); (A.R.)
| | - Valeriya Solovyeva
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kazan, Russia; (Z.G.); (A.P.); (A.R.)
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215
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Habib A, Kodovali VC, Zinn PO. Commentary: A Primer on Human Brain Organoids for the Neurosurgeon. Neurosurgery 2020; 87:E443-E444. [PMID: 32542381 DOI: 10.1093/neuros/nyaa243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Accepted: 04/15/2020] [Indexed: 11/12/2022] Open
Affiliation(s)
- Ahmed Habib
- Department of Neurosurgery, University of Pittsburgh and Hillman Cancer Center, Pittsburgh, Pennsylvania
| | - Venkata C Kodovali
- Department of Neurosurgery, University of Pittsburgh and Hillman Cancer Center, Pittsburgh, Pennsylvania
| | - Pascal O Zinn
- Department of Neurosurgery, University of Pittsburgh and Hillman Cancer Center, Pittsburgh, Pennsylvania
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216
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Cui X, Ma C, Vasudevaraja V, Serrano J, Tong J, Peng Y, Delorenzo M, Shen G, Frenster J, Morales RTT, Qian W, Tsirigos A, Chi AS, Jain R, Kurz SC, Sulman EP, Placantonakis DG, Snuderl M, Chen W. Dissecting the immunosuppressive tumor microenvironments in Glioblastoma-on-a-Chip for optimized PD-1 immunotherapy. eLife 2020; 9:52253. [PMID: 32909947 PMCID: PMC7556869 DOI: 10.7554/elife.52253] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 08/27/2020] [Indexed: 12/13/2022] Open
Abstract
Programmed cell death protein-1 (PD-1) checkpoint immunotherapy efficacy remains unpredictable in glioblastoma (GBM) patients due to the genetic heterogeneity and immunosuppressive tumor microenvironments. Here, we report a microfluidics-based, patient-specific 'GBM-on-a-Chip' microphysiological system to dissect the heterogeneity of immunosuppressive tumor microenvironments and optimize anti-PD-1 immunotherapy for different GBM subtypes. Our clinical and experimental analyses demonstrated that molecularly distinct GBM subtypes have distinct epigenetic and immune signatures that may lead to different immunosuppressive mechanisms. The real-time analysis in GBM-on-a-Chip showed that mesenchymal GBM niche attracted low number of allogeneic CD154+CD8+ T-cells but abundant CD163+ tumor-associated macrophages (TAMs), and expressed elevated PD-1/PD-L1 immune checkpoints and TGF-β1, IL-10, and CSF-1 cytokines compared to proneural GBM. To enhance PD-1 inhibitor nivolumab efficacy, we co-administered a CSF-1R inhibitor BLZ945 to ablate CD163+ M2-TAMs and strengthened CD154+CD8+ T-cell functionality and GBM apoptosis on-chip. Our ex vivo patient-specific GBM-on-a-Chip provides an avenue for a personalized screening of immunotherapies for GBM patients.
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Affiliation(s)
- Xin Cui
- Department of Mechanical and Aerospace Engineering, New York University, Brooklyn, United States.,Department of Biomedical Engineering, New York University, Brooklyn, United States.,Department of Biomedical Engineering, Jinan University, Guangzhou, China
| | - Chao Ma
- Department of Mechanical and Aerospace Engineering, New York University, Brooklyn, United States.,Department of Biomedical Engineering, New York University, Brooklyn, United States
| | | | - Jonathan Serrano
- Department of Pathology, NYU Langone Health, New York, United States
| | - Jie Tong
- Department of Mechanical and Aerospace Engineering, New York University, Brooklyn, United States.,Department of Biomedical Engineering, New York University, Brooklyn, United States
| | - Yansong Peng
- Department of Biomedical Engineering, New York University, Brooklyn, United States
| | - Michael Delorenzo
- Department of Pathology, NYU Langone Health, New York, United States
| | - Guomiao Shen
- Department of Pathology, NYU Langone Health, New York, United States
| | - Joshua Frenster
- Stem Cell Biology Program, NYU School of Medicine, New York, United States
| | | | - Weiyi Qian
- Department of Mechanical and Aerospace Engineering, New York University, Brooklyn, United States
| | | | - Andrew S Chi
- Perlmutter Cancer Center, NYU Langone Health, New York, United States.,Department of Neurology, NYU Langone Health, New York, United States
| | - Rajan Jain
- Department of Neuroradiology, NYU Langone Health, New York, United States.,Department of Neurosurgery, NYU Langone Health, New York, United States
| | - Sylvia C Kurz
- Perlmutter Cancer Center, NYU Langone Health, New York, United States.,Department of Neurosurgery, NYU Langone Health, New York, United States
| | - Erik P Sulman
- Perlmutter Cancer Center, NYU Langone Health, New York, United States.,Department of Radiation Oncology, NYU Langone Health, New York, United States
| | - Dimitris G Placantonakis
- Perlmutter Cancer Center, NYU Langone Health, New York, United States.,Department of Neurosurgery, NYU Langone Health, New York, United States
| | - Matija Snuderl
- Department of Pathology, NYU Langone Health, New York, United States.,Perlmutter Cancer Center, NYU Langone Health, New York, United States
| | - Weiqiang Chen
- Department of Mechanical and Aerospace Engineering, New York University, Brooklyn, United States.,Department of Biomedical Engineering, New York University, Brooklyn, United States.,Perlmutter Cancer Center, NYU Langone Health, New York, United States
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217
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Simpson JE, Gammoh N. The impact of autophagy during the development and survival of glioblastoma. Open Biol 2020; 10:200184. [PMID: 32873152 PMCID: PMC7536068 DOI: 10.1098/rsob.200184] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 07/30/2020] [Indexed: 02/07/2023] Open
Abstract
Glioblastoma is the most common and aggressive adult brain tumour, with poor median survival and limited treatment options. Following surgical resection and chemotherapy, recurrence of the disease is inevitable. Genomic studies have identified key drivers of glioblastoma development, including amplifications of receptor tyrosine kinases, which drive tumour growth. To improve treatment, it is crucial to understand survival response processes in glioblastoma that fuel cell proliferation and promote resistance to treatment. One such process is autophagy, a catabolic pathway that delivers cellular components sequestered into vesicles for lysosomal degradation. Autophagy plays an important role in maintaining cellular homeostasis and is upregulated during stress conditions, such as limited nutrient and oxygen availability, and in response to anti-cancer therapy. Autophagy can also regulate pro-growth signalling and metabolic rewiring of cancer cells in order to support tumour growth. In this review, we will discuss our current understanding of how autophagy is implicated in glioblastoma development and survival. When appropriate, we will refer to findings derived from the role of autophagy in other cancer models and predict the outcome of manipulating autophagy during glioblastoma treatment.
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Affiliation(s)
| | - Noor Gammoh
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Molecular Medicine, University of Edinburgh, Crewe Road South, Edinburgh EH4 2XR, UK
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218
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2D and 3D in vitro assays to quantify the invasive behavior of glioblastoma stem cells in response to SDF-1α. Biotechniques 2020; 69:339-346. [PMID: 32867513 DOI: 10.2144/btn-2020-0046] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Invasion is a hallmark of cancer and therefore in vitro invasion assays are important tools in cancer research. We aimed to describe in vitro 2D transwell assays and 3D spheroid assays to quantitatively determine the invasive behavior of glioblastoma stem cells in response to the chemoattractant SDF-1α. Matrigel was used as a matrix in both assays. We demonstrated quantitatively that SDF-1α increased invasive behavior of glioblastoma stem cells in both assays. We conclude that the 2D transwell invasion assay is easy to perform, fast and less complex whereas the more time-consuming 3D spheroid invasion assay is physiologically closer to the in vivo situation.
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219
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Fang M, Liu LP, Zhou H, Li YM, Zheng YW. Practical choice for robust and efficient differentiation of human pluripotent stem cells. World J Stem Cells 2020; 12:752-760. [PMID: 32952856 PMCID: PMC7477655 DOI: 10.4252/wjsc.v12.i8.752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 04/30/2020] [Accepted: 07/01/2020] [Indexed: 02/06/2023] Open
Abstract
Human pluripotent stem cells (hPSCs) have the distinct advantage of being able to differentiate into cells of all three germ layers. Target cells or tissues derived from hPSCs have many uses such as drug screening, disease modeling, and transplantation therapy. There are currently a wide variety of differentiation methods available. However, most of the existing differentiation methods are unreliable, with uneven differentiation efficiency and poor reproducibility. At the same time, it is difficult to choose the optimal method when faced with so many differentiation schemes, and it is time-consuming and costly to explore a new differentiation approach. Thus, it is critical to design a robust and efficient method of differentiation. In this review article, we summarize a comprehensive approach in which hPSCs are differentiated into target cells or organoids including brain, liver, blood, melanocytes, and mesenchymal cells. This was accomplished by employing an embryoid body-based three-dimensional (3D) suspension culture system with multiple cells co-cultured. The method has high stable differentiation efficiency compared to the conventional 2D culture and can meet the requirements of clinical application. Additionally, ex vivo co-culture models might be able to constitute organoids that are highly similar or mimic human organs for potential organ transplantation in the future.
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Affiliation(s)
- Mei Fang
- Institute of Regenerative Medicine, Affiliated Hospital of Jiangsu University, Jiangsu University, Zhenjiang 212001, Jiangsu Province, China
| | - Li-Ping Liu
- Institute of Regenerative Medicine, Affiliated Hospital of Jiangsu University, Jiangsu University, Zhenjiang 212001, Jiangsu Province, China
| | - Hang Zhou
- Institute of Regenerative Medicine, Affiliated Hospital of Jiangsu University, Jiangsu University, Zhenjiang 212001, Jiangsu Province, China
| | - Yu-Mei Li
- Institute of Regenerative Medicine, Affiliated Hospital of Jiangsu University, Jiangsu University, Zhenjiang 212001, Jiangsu Province, China
| | - Yun-Wen Zheng
- Institute of Regenerative Medicine, Affiliated Hospital of Jiangsu University, Jiangsu University, Zhenjiang 212001, Jiangsu Province, China
- School of Biotechnology and Heath Sciences, Wuyi University, Jiangmen 529020, Guangdong Province, China
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, University of Tsukuba Faculty of Medicine, Tsukuba, Ibaraki 305-8575, Japan
- Yokohama City University School of Medicine, Yokohama, Kanagawa 234-0006, Japan
- Division of Regenerative Medicine, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, the University of Tokyo, Tokyo 108-8639, Japan
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220
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Soubéran A, Tchoghandjian A. Practical Review on Preclinical Human 3D Glioblastoma Models: Advances and Challenges for Clinical Translation. Cancers (Basel) 2020; 12:cancers12092347. [PMID: 32825103 PMCID: PMC7563542 DOI: 10.3390/cancers12092347] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/07/2020] [Accepted: 08/13/2020] [Indexed: 02/06/2023] Open
Abstract
Fifteen years after the establishment of the Stupp protocol as the standard of care to treat glioblastomas, no major clinical advances have been achieved and increasing patient’s overall survival remains a challenge. Nevertheless, crucial molecular and cellular findings revealed the intra-tumoral and inter-tumoral complexities of these incurable brain tumors, and the essential role played by cells of the microenvironment in the lack of treatment efficacy. Taking this knowledge into account, fulfilling gaps between preclinical models and clinical samples is necessary to improve the successful rate of clinical trials. Since the beginning of the characterization of brain tumors initiated by Bailey and Cushing in the 1920s, several glioblastoma models have been developed and improved. In this review, we focused on the most widely used 3D human glioblastoma models, including spheroids, tumorospheres, organotypic slices, explants, tumoroids and glioblastoma-derived from cerebral organoids. We discuss their history, development and especially their usefulness.
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221
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Studying Human Neurodevelopment and Diseases Using 3D Brain Organoids. J Neurosci 2020; 40:1186-1193. [PMID: 32024767 DOI: 10.1523/jneurosci.0519-19.2019] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Revised: 08/12/2019] [Accepted: 09/16/2019] [Indexed: 02/01/2023] Open
Abstract
In vitro differentiation of pluripotent stem cells provides a systematic platform to study development and disease. Recent advances in brain organoid technology have created new opportunities to investigate the formation and function of the human brain, under physiological and pathological conditions. Brain organoids can be generated to model the cellular and structural development of the human brain, and allow the investigation of the intricate interactions between resident neural and glial cell types. Combined with new advances in gene editing, imaging, and genomic analysis, brain organoid technology can be applied to address questions pertinent to human brain development, disease, and evolution. However, the current iterations of brain organoids also have limitations in faithfully recapitulating the in vivo processes. In this perspective, we evaluate the recent progress in brain organoid technology, and discuss the experimental considerations for its utilization.Dual Perspectives Companion Paper: Integrating CRISPR Engineering and hiPSC-Derived 2D Disease Modeling Systems, by Kristina Rehbach, Michael B. Fernando, and Kristen J. Brennand.
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222
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Valtorta S, Salvatore D, Rainone P, Belloli S, Bertoli G, Moresco RM. Molecular and Cellular Complexity of Glioma. Focus on Tumour Microenvironment and the Use of Molecular and Imaging Biomarkers to Overcome Treatment Resistance. Int J Mol Sci 2020; 21:E5631. [PMID: 32781585 PMCID: PMC7460665 DOI: 10.3390/ijms21165631] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 07/31/2020] [Accepted: 08/03/2020] [Indexed: 02/08/2023] Open
Abstract
This review highlights the importance and the complexity of tumour biology and microenvironment in the progression and therapy resistance of glioma. Specific gene mutations, the possible functions of several non-coding microRNAs and the intra-tumour and inter-tumour heterogeneity of cell types contribute to limit the efficacy of the actual therapeutic options. In this scenario, identification of molecular biomarkers of response and the use of multimodal in vivo imaging and in particular the Positron Emission Tomography (PET) based molecular approach, can help identifying glioma features and the modifications occurring during therapy at a regional level. Indeed, a better understanding of tumor heterogeneity and the development of diagnostic procedures can favor the identification of a cluster of patients for personalized medicine in order to improve the survival and their quality of life.
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Affiliation(s)
- Silvia Valtorta
- Department of Medicine and Surgery and Tecnomed Foundation, University of Milano—Bicocca, 20900 Monza, Italy; (S.V.); (D.S.); (P.R.)
- Nuclear Medicine Department, San Raffaele Scientific Institute (IRCCS), 20132 Milan, Italy;
| | - Daniela Salvatore
- Department of Medicine and Surgery and Tecnomed Foundation, University of Milano—Bicocca, 20900 Monza, Italy; (S.V.); (D.S.); (P.R.)
- Nuclear Medicine Department, San Raffaele Scientific Institute (IRCCS), 20132 Milan, Italy;
| | - Paolo Rainone
- Department of Medicine and Surgery and Tecnomed Foundation, University of Milano—Bicocca, 20900 Monza, Italy; (S.V.); (D.S.); (P.R.)
- Nuclear Medicine Department, San Raffaele Scientific Institute (IRCCS), 20132 Milan, Italy;
| | - Sara Belloli
- Nuclear Medicine Department, San Raffaele Scientific Institute (IRCCS), 20132 Milan, Italy;
- Institute of Molecular Bioimaging and Physiology (IBFM), CNR, 20090 Segrate, Italy
| | - Gloria Bertoli
- Institute of Molecular Bioimaging and Physiology (IBFM), CNR, 20090 Segrate, Italy
| | - Rosa Maria Moresco
- Department of Medicine and Surgery and Tecnomed Foundation, University of Milano—Bicocca, 20900 Monza, Italy; (S.V.); (D.S.); (P.R.)
- Nuclear Medicine Department, San Raffaele Scientific Institute (IRCCS), 20132 Milan, Italy;
- Institute of Molecular Bioimaging and Physiology (IBFM), CNR, 20090 Segrate, Italy
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223
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Zhang C, Jin M, Zhao J, Chen J, Jin W. Organoid models of glioblastoma: advances, applications and challenges. Am J Cancer Res 2020; 10:2242-2257. [PMID: 32905502 PMCID: PMC7471358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 07/13/2020] [Indexed: 06/11/2023] Open
Abstract
The high mortality and poor clinical prognosis of glioblastoma multiforme (GBM) are concerns for many GBM patients as well as clinicians and researchers. The lack of a preclinical model that can easily be established and accurately recapitulate tumour biology and the tumour microenvironment further complicates GBM research and its clinical translation. GBM organoids (GBOs) are promising high-fidelity models that can be applied to model the disease, develop drugs, establish a living biobank, mimic therapeutic responses and explore personalized therapy. However, GBO models face some challenges, including deficient immune responses, absent vascular system and controversial reliability. In recent years, considerable progress has been achieved in the improvement of brain tumour organoid models and research based on such models. In addition to the traditional cultivation method, these models can be cultivated via genetic engineering and co-culture of cerebral organoids and GBM. In this review, we summarize the applications of GBM organoids and related advances and provide our opinions on associated limitations and challenges.
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Affiliation(s)
- Chaocai Zhang
- Department of Neurosurgery, Hainan General Hospital/Hainan Affiliated Hospital of Hainan Medical UniversityHaikou, PR China
| | - Mingzhu Jin
- Shanghai Jiao Tong University School of MedicineShanghai, PR China
| | - Jiannong Zhao
- Department of Neurosurgery, Hainan General Hospital/Hainan Affiliated Hospital of Hainan Medical UniversityHaikou, PR China
| | - Juxiang Chen
- Department of Neurosurgery, Shanghai Institute of Neurosurgery, Changzheng Hospital, Second Military Medical UniversityShanghai, PR China
| | - Weilin Jin
- Key Laboratory for Thin Film and Microfabrication Technology of Ministry of Education, Department of Instrument Science and Engineering, Institute of Nano Biomedicine and Engineering, School of Electronic Information and Electronic Engineering, Shanghai Jiao Tong UniversityShanghai, PR China
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224
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Vieira de Castro J, Gonçalves CS, Hormigo A, Costa BM. Exploiting the Complexities of Glioblastoma Stem Cells: Insights for Cancer Initiation and Therapeutic Targeting. Int J Mol Sci 2020; 21:ijms21155278. [PMID: 32722427 PMCID: PMC7432229 DOI: 10.3390/ijms21155278] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 07/20/2020] [Accepted: 07/22/2020] [Indexed: 12/12/2022] Open
Abstract
The discovery of glioblastoma stem cells (GSCs) in the 2000s revolutionized the cancer research field, raising new questions regarding the putative cell(s) of origin of this tumor type, and partly explaining the highly heterogeneous nature of glioblastoma (GBM). Increasing evidence has suggested that GSCs play critical roles in tumor initiation, progression, and resistance to conventional therapies. The remarkable oncogenic features of GSCs have generated significant interest in better defining and characterizing these cells and determining novel pathways driving GBM that could constitute attractive key therapeutic targets. While exciting breakthroughs have been achieved in the field, the characterization of GSCs is a challenge and the cell of origin of GBM remains controversial. For example, the use of several cell-surface molecular markers to identify and isolate GSCs has been a challenge. It is now widely accepted that none of these markers is, per se, sufficiently robust to distinguish GSCs from normal stem cells. Finding new strategies that are able to more efficiently and specifically target these niches could also prove invaluable against this devastating and therapy-insensitive tumor. In this review paper, we summarize the most relevant findings and discuss emerging concepts and open questions in the field of GSCs, some of which are, to some extent, pertinent to other cancer stem cells.
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Affiliation(s)
- Joana Vieira de Castro
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus Gualtar, 4710-057 Braga, Portugal; (J.V.d.C.); (C.S.G.)
- ICVS/3B’s—PT Government Associate Laboratory, 4710-057 Braga/Guimarães, Portugal
| | - Céline S. Gonçalves
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus Gualtar, 4710-057 Braga, Portugal; (J.V.d.C.); (C.S.G.)
- ICVS/3B’s—PT Government Associate Laboratory, 4710-057 Braga/Guimarães, Portugal
| | - Adília Hormigo
- Department of Neurology, Neurosurgery, Medicine, The Tisch Cancer Institute and Icahn School of Medicine at Mount Sinai, NY 10029-6574, USA;
| | - Bruno M. Costa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus Gualtar, 4710-057 Braga, Portugal; (J.V.d.C.); (C.S.G.)
- ICVS/3B’s—PT Government Associate Laboratory, 4710-057 Braga/Guimarães, Portugal
- Correspondence: ; Tel.: +35-1-253-604-872
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225
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Tambalo M, Lodato S. Brain organoids: Human 3D models to investigate neuronal circuits assembly, function and dysfunction. Brain Res 2020; 1746:147028. [PMID: 32717276 DOI: 10.1016/j.brainres.2020.147028] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 07/12/2020] [Accepted: 07/20/2020] [Indexed: 02/06/2023]
Abstract
The human brain is characterized by an extraordinary complexity of neuronal and nonneuronal cell types, wired together into patterned neuronal circuits, which represent the anatomical substrates for the execution of high-order cognitive functions. Brain circuits' development and function is metabolically supported by an intricate network of selectively permeable blood vessels and finely tuned by short-range interactions with immune factors and immune cells. The coordinated cellular and molecular events governing the assembly of this unique and complex structure are at the core of intense investigation and pose legitimate questions about the best modeling strategies. Unceasing advancements in stem cell technologies coupled with recent demonstration of cell self-assembly capacity have enabled the exponential growth of brain organoid protocols in the past decade. This provides a compelling solution to investigate human brain development, a quest often halted by the inaccessibility of brain tissues and the lack of suitable models. We review the current state-of-the-art on the generation of brain organoids, describing the latest progresses in unguided, guided, and assembloids protocols, as well as organoid-on-a-chip strategies and xenograft approaches. High resolution genome wide sequencing technologies, both at the transcriptional and epigenomic level, enable the molecular comparative analysis of multiple brain organoid protocols, as well as to benchmark them against the human fetal brain. Coupling the molecular profiling with increasingly detailed analyses of the electrophysiological properties of several of these systems now allows a more accurate estimation of the protocol of choice for a given biological question. Thus, we summarize strengths and weaknesses of several brain organoid protocols and further speculate on some potential future endeavors to model human brain development, evolution and neurodevelopmental and neuropsychiatric diseases.
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Affiliation(s)
- M Tambalo
- Humanitas Clinical and Research Center-IRCCS, Via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - S Lodato
- Humanitas Clinical and Research Center-IRCCS, Via Manzoni 56, 20089 Rozzano, Milan, Italy; Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, 20090 Pieve Emanuele, Milan, Italy.
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226
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Abstract
Glioblastoma is an incurable brain tumor notorious for its heterogeneity. Recent studies in Cell (Jacob et al., 2020) and Cell Stem Cell (Bhaduri et al., 2020) leverage novel glioblastoma organoid models and single-cell RNA-sequencing technologies to tackle glioblastoma's heterogeneous nature, providing new tools and insights into tumor biology.
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Affiliation(s)
- Itay Tirosh
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot 761001, Israel.
| | - Mario L Suvà
- Department of Pathology and Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA; Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA.
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227
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Chadwick M, Yang C, Liu L, Gamboa CM, Jara K, Lee H, Sabaawy HE. Rapid Processing and Drug Evaluation in Glioblastoma Patient-Derived Organoid Models with 4D Bioprinted Arrays. iScience 2020; 23:101365. [PMID: 32731171 PMCID: PMC7393526 DOI: 10.1016/j.isci.2020.101365] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 04/29/2020] [Accepted: 07/08/2020] [Indexed: 12/11/2022] Open
Abstract
Glioblastoma is the most common and deadly primary brain malignancy. Despite advances in precision medicine oncology (PMO) allowing the identification of molecular vulnerabilities in glioblastoma, treatment options remain limited, and molecular assays guided by genomic and expression profiling to inform patient enrollment in life-saving trials are lacking. Here, we generate four-dimensional (4D) cell-culture arrays for rapid assessment of drug responses in glioblastoma patient-derived models. The arrays are 3D printed with thermo-responsive shape memory polymer (SMP). Upon heating, the SMP arrays self-transform in time from 3D cell-culture inserts into histological cassettes. We assess the utility of these arrays with glioblastoma cells, gliospheres, and patient derived organoid-like (PDO) models and demonstrate their use with glioblastoma PDOs for assessing drug sensitivity, on-target activity, and synergy in drug combinations. When including genomic and drug testing assays, this platform is poised to offer rapid functional drug assessments for future selection of therapies in PMO.
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Affiliation(s)
- Michelle Chadwick
- Rutgers Cancer Institute of New Jersey, Rutgers University, New Brunswick, NJ 08901, USA
| | - Chen Yang
- Department of Mechanical and Aerospace Engineering, Rutgers University - New Brunswick, New Brunswick, NJ 08901, USA
| | - Liqiong Liu
- Rutgers Cancer Institute of New Jersey, Rutgers University, New Brunswick, NJ 08901, USA
| | - Christian Moya Gamboa
- Rutgers Cancer Institute of New Jersey, Rutgers University, New Brunswick, NJ 08901, USA
| | - Kelly Jara
- Rutgers Cancer Institute of New Jersey, Rutgers University, New Brunswick, NJ 08901, USA
| | - Howon Lee
- Department of Mechanical and Aerospace Engineering, Rutgers University - New Brunswick, New Brunswick, NJ 08901, USA.
| | - Hatem E Sabaawy
- Rutgers Cancer Institute of New Jersey, Rutgers University, New Brunswick, NJ 08901, USA; Departments of Medicine and Pathology and Laboratory Medicine, RBHS-Robert Wood Johnson Medical School, Rutgers University, New Brunswick, NJ 08901, USA.
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228
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Wijaya J, Gose T, Schuetz JD. Using Pharmacology to Squeeze the Life Out of Childhood Leukemia, and Potential Strategies to Achieve Breakthroughs in Medulloblastoma Treatment. Pharmacol Rev 2020; 72:668-691. [PMID: 32571983 PMCID: PMC7312347 DOI: 10.1124/pr.118.016824] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Eliminating cancer was once thought of as a war. This analogy is still apt today; however, we now realize that cancer is a much more formidable enemy than scientists originally perceived, and in some cases, it harbors a profound ability to thwart our best efforts to defeat it. However, before we were aware of the complexity of cancer, chemotherapy against childhood acute lymphoblastic leukemia (ALL) was successful because it applied the principles of pharmacology. Herein, we provide a historic perspective of the experience at St. Jude Children's Research Hospital. In 1962, when the hospital opened, fewer than 3% of patients experienced durable cure. Through judicious application of pharmacologic principles (e.g., combination therapy with agents using different mechanisms of action) plus appropriate drug scheduling, dosing, and pharmacodynamics, the survival of patients with ALL now exceeds 90%. We contrast this approach to treating ALL with the contemporary approach to treating medulloblastoma, in which genetics and molecular signatures are being used to guide the development of more-efficacious treatment strategies with minimal toxicity. Finally, we highlight the emerging technologies that can sustain and propel the collaborative efforts to squeeze the life out of these cancers. SIGNIFICANCE STATEMENT: Up until the early 1960s, chemotherapy for childhood acute lymphoblastic leukemia was mostly ineffective. This changed with the knowledge and implementation of rational approaches to combination therapy. Although the therapeutics of brain cancers such as medulloblastoma are not as refined (in part because of the blood-brain barrier obstacle), recent extraordinary advances in knowledge of medulloblastoma pathobiology has led to innovations in disease classification accompanied with strategies to improve therapeutic outcomes. Undoubtedly, additional novel approaches, such as immunological therapeutics, will open new avenues to further the goal of taming cancer.
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Affiliation(s)
- Juwina Wijaya
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee
| | - Tomoka Gose
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee
| | - John D Schuetz
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee
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229
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Pine AR, Cirigliano SM, Nicholson JG, Hu Y, Linkous A, Miyaguchi K, Edwards L, Singhania R, Schwartz TH, Ramakrishna R, Pisapia DJ, Snuderl M, Elemento O, Fine HA. Tumor Microenvironment Is Critical for the Maintenance of Cellular States Found in Primary Glioblastomas. Cancer Discov 2020; 10:964-979. [PMID: 32253265 DOI: 10.1158/2159-8290.cd-20-0057] [Citation(s) in RCA: 95] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 03/14/2020] [Accepted: 03/31/2020] [Indexed: 01/11/2023]
Abstract
Glioblastoma (GBM), an incurable tumor, remains difficult to model and more importantly to treat due to its genetic/epigenetic heterogeneity and plasticity across cellular states. The ability of current tumor models to recapitulate the cellular states found in primary tumors remains unexplored. To address this issue, we compared single-cell RNA sequencing of tumor cells from 5 patients across four patient-specific glioblastoma stem cell (GSC)-derived model types, including glioma spheres, tumor organoids, glioblastoma cerebral organoids (GLICO), and patient-derived xenografts. We find that GSCs within the GLICO model are enriched for a neural progenitor-like cell subpopulation and recapitulate the cellular states and their plasticity found in the corresponding primary parental tumors. These data demonstrate how the contribution of a neuroanatomically accurate human microenvironment is critical and sufficient for recapitulating the cellular states found in human primary GBMs, a principle that may likely apply to other tumor models. SIGNIFICANCE: It has been unclear how well different patient-derived GBM models are able to recreate the full heterogeneity of primary tumors. Here, we provide a complete transcriptomic characterization of the major model types. We show that the microenvironment is crucial for recapitulating GSC cellular states, highlighting the importance of tumor-host cell interactions.See related commentary by Luo and Weiss, p. 907.This article is highlighted in the In This Issue feature, p. 890.
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Affiliation(s)
- Allison R Pine
- Caryl and Israel Englander Institute for Precision Medicine, Institute for Computational Biomedicine, Weill Cornell Medicine, New York, New York
- Tri-Institutional Program in Computational Biology and Medicine, New York, New York
| | | | | | - Yang Hu
- Caryl and Israel Englander Institute for Precision Medicine, Institute for Computational Biomedicine, Weill Cornell Medicine, New York, New York
| | - Amanda Linkous
- Department of Neurology, Weill Cornell Medicine, New York, New York
| | - Ken Miyaguchi
- Department of Neurology, Weill Cornell Medicine, New York, New York
| | - Lincoln Edwards
- Brain and Mind Research Institute, Weill Cornell Medicine, New York, New York
| | - Richa Singhania
- Department of Neurology, Weill Cornell Medicine, New York, New York
| | - Theodore H Schwartz
- Department of Neurological Surgery, Weill Cornell Medicine, New York, New York
| | - Rohan Ramakrishna
- Department of Neurological Surgery, Weill Cornell Medicine, New York, New York
| | - David J Pisapia
- Department of Pathology, Weill Cornell Medicine, New York, New York
| | - Matija Snuderl
- Department of Pathology, NYU Langone Medical Center, New York, New York
| | - Olivier Elemento
- Caryl and Israel Englander Institute for Precision Medicine, Institute for Computational Biomedicine, Weill Cornell Medicine, New York, New York.
| | - Howard A Fine
- Department of Neurology, Weill Cornell Medicine, New York, New York.
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230
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Abstract
Brain tumors' severity ranges from benign to highly aggressive and invasive. Bioengineering tools can assist in understanding the pathophysiology of these tumors from outside the body and facilitate development of suitable antitumoral treatments. Here, we first describe the physiology and cellular composition of brain tumors. Then, we discuss the development of three-dimensional tissue models utilizing brain tumor cells. In particular, we highlight the role of hydrogels in providing a biomimetic support for the cells to grow into defined structures. Microscale technologies, such as electrospinning and bioprinting, and advanced cellular models aim to mimic the extracellular matrix and natural cellular localization in engineered tumor tissues. Lastly, we review current applications and prospects of hydrogels for therapeutic purposes, such as drug delivery and co-administration with other therapies. Through further development, hydrogels can serve as a reliable option for in vitro modeling and treatment of brain tumors for translational medicine.
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231
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Abstract
Glioblastoma (GBM) remains a devastating disease with a median survival of less than two years. Current preclinical models are unable to accurately reflect the complexity of human GBM. We recently established a cerebral organoid glioma (GLICO) model to study the invasion and biology of patient-derived glioma stem cells in miniature replicas of the human brain. Through the dissemination of our detailed methodology, we aim to encourage other scientists to further build upon our existing model for studying these destructive tumors. For complete details on the use and execution of this protocol, please refer to Linkous et al. (2019). Cerebral organoids can be generated from hESCs as well as iPSCs Cerebral organoid gliomas (GLICOs) enhance the study of GBM biology and invasion Patient-derived tumor cells migrate toward, invade and proliferate in human mini-brains The GLICO model allows for human GBM tumor formation in less than 2 weeks
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Affiliation(s)
- Amanda Linkous
- Department of Biochemistry, Vanderbilt University, Nashville, TN 37232, USA.,Lead Contact.,Technical Contact
| | - Howard A Fine
- Meyer Cancer Center, Division of Neuro-Oncology, Department of Neurology, New York-Presbyterian Hospital/Weill Cornell Medicine, New York, NY 10021, USA
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232
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Jung E, Alfonso J, Monyer H, Wick W, Winkler F. Neuronal signatures in cancer. Int J Cancer 2020; 147:3281-3291. [PMID: 32510582 DOI: 10.1002/ijc.33138] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 05/26/2020] [Accepted: 06/02/2020] [Indexed: 12/14/2022]
Abstract
Despite advances in the treatment of solid tumors, the prognosis of patients with many cancers remains poor, particularly of those with primary and metastatic brain tumors. In the last years, "Cancer Neuroscience" emerged as novel field of research at the crossroads of oncology and classical neuroscience. In primary brain tumors, including glioblastoma (GB), communicating networks that render tumor cells resistant against cytotoxic therapies were identified. To build these networks, GB cells extend neurite-like protrusions called tumor microtubes (TMs). Synapses on TMs allow tumor cells to retrieve neuronal input that fosters growth. Single cell sequencing further revealed that primary brain tumors recapitulate many steps of neurodevelopment. Interestingly, neuronal characteristics, including the ability to extend neurite-like protrusions, neuronal gene expression signatures and interactions with neurons, have now been found not only in brain and neuroendocrine tumors but also in some cancers of epithelial origin. In this review, we will provide an overview about neurite-like protrusions as well as neurodevelopmental origins, hierarchies and gene expression signatures in cancer. We will also discuss how "Cancer Neuroscience" might provide a framework for the development of novel therapies.
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Affiliation(s)
- Erik Jung
- Neurology Clinic and National Center for Tumor Diseases, University Hospital Heidelberg, Heidelberg, Germany.,Clinical Cooperation Unit Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Julieta Alfonso
- Department of Clinical Neurobiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Hannah Monyer
- Department of Clinical Neurobiology, German Cancer Research Center (DKFZ), Heidelberg, Germany.,Department of Clinical Neurobiology, Medical Faculty, Heidelberg University, Heidelberg, Germany
| | - Wolfgang Wick
- Neurology Clinic and National Center for Tumor Diseases, University Hospital Heidelberg, Heidelberg, Germany.,Clinical Cooperation Unit Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Frank Winkler
- Neurology Clinic and National Center for Tumor Diseases, University Hospital Heidelberg, Heidelberg, Germany.,Clinical Cooperation Unit Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
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233
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Zhang DY, Song H, Ming GL. Modeling neurological disorders using brain organoids. Semin Cell Dev Biol 2020; 111:4-14. [PMID: 32561297 DOI: 10.1016/j.semcdb.2020.05.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 05/08/2020] [Accepted: 05/27/2020] [Indexed: 12/18/2022]
Abstract
Neurological disorders are challenging to study given the complexity and species-specific features of the organ system. Brain organoids are three dimensional structured aggregates of neural tissue that are generated by self-organization and differentiation from pluripotent stem cells under optimized culture conditions. These brain organoids exhibit similar features of structural organization and cell type diversity as the developing human brain, creating opportunities to recapitulate disease phenotypes that are not otherwise accessible. Here we review the initial attempt in the field to apply brain organoid models for the study of many different types of human neurological disorders across a wide range of etiologies and pathophysiologies. Forthcoming advancements in both brain organoid technology as well as analytical methods have significant potentials to advance the understanding of neurological disorders and to uncover opportunities for meaningful therapeutic intervention.
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Affiliation(s)
- Daniel Y Zhang
- Biochemistry and Molecular Biophysics Graduate Group, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Hongjun Song
- Department of Neuroscience and Mahoney Institute for Neurosciences, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA; Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA; Institute for Regenerative Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA; The Epigenetics Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Guo-Li Ming
- Department of Neuroscience and Mahoney Institute for Neurosciences, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA; Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA; Institute for Regenerative Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA; Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.
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234
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Abstract
Genome engineering using programmable nucleases such as transcription activator-like effector nuclease (TALEN), and clustered regularly interspaced short palindromic repeat-associated protein nine facilitated the introduction of genetic alterations at specific genomic sites in various cell types. These tools have been applied to cancer modeling to understand the pathogenic effects of the growing catalog of mutations found in human cancers. Pertaining to brain tumors, neural progenitor cells derived from human induced pluripotent stem cells (iPSCs) engineered with different combinations of genetic driver mutations observed in distinct molecular subtypes of glioblastomas, the most common form of primary brain cancer in adults, give rise to brain tumors when engrafted orthotopically in mice. These glioblastoma models recapitulate the transcriptomic signature of each molecular subtype and authentically resemble pathobiology of glioblastoma, including inter- and intra-tumor heterogeneity, chromosomal aberrations, and extrachromosomal DNA amplifications. Similar engineering with genetic mutations found in medulloblastoma and atypical teratoid rhabdoid tumors in iPSCs have led to genetically trackable models that bear clinical relevance to these pediatric brain tumors. These models have contributed to improved comprehension of the genetic causation of tumorigenesis and offered a novel platform for therapeutic discovery. Studied in the context of three-dimensional cerebral organoids, these models have aided in the study of tumor invasion as well as therapeutic responses. In summary, modeling brain tumors through genome engineering enables not only the establishment of authentic tumor avatars driven by bona fide genetic mutations observed in patient samples but also facilitates functional investigations of particular genetic alterations in an otherwise isogenic background.
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Affiliation(s)
- Tomoyuki Koga
- Department of Neurosurgery, University of Minnesota Medical School
| | - Clark C Chen
- Department of Neurosurgery, University of Minnesota Medical School
| | - Frank B Furnari
- Ludwig Institute for Cancer Research, University of California San Diego
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235
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Chen A, Guo Z, Fang L, Bian S. Application of Fused Organoid Models to Study Human Brain Development and Neural Disorders. Front Cell Neurosci 2020; 14:133. [PMID: 32670022 PMCID: PMC7326106 DOI: 10.3389/fncel.2020.00133] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Accepted: 04/21/2020] [Indexed: 12/12/2022] Open
Abstract
Human brain organoids cultured from human pluripotent stem cells provide a promising platform to recapitulate histological features of the human brain and model neural disorders. However, unlike animal models, brain organoids lack a reproducible topographic organization, which limits their application in modeling intricate biology, such as the interaction between different brain regions. To overcome these drawbacks, brain organoids have been pre-patterned into specific brain regions and fused to form an assembloid that represents reproducible models recapitulating more complex biological processes of human brain development and neurological diseases. This approach has been applied to model interneuron migration, neuronal projections, tumor invasion, oligodendrogenesis, forebrain axis establishment, and brain vascularization. In this review article, we will summarize the usage of this technology to understand the fundamental biology underpinning human brain development and disorders.
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Affiliation(s)
- Augustin Chen
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China.,Frontier Science Center for Stem Cell Research, Tongji University, Shanghai, China.,Molecular Physiology, Center for Integrative Physiology and Molecular Medicine (CIPMM), University of Saarland, Homburg, Germany
| | - Zhenming Guo
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China.,Frontier Science Center for Stem Cell Research, Tongji University, Shanghai, China.,Bio-X Institute, Shanghai Jiao Tong University, Shanghai, China
| | - Lipao Fang
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China.,Frontier Science Center for Stem Cell Research, Tongji University, Shanghai, China.,Molecular Physiology, Center for Integrative Physiology and Molecular Medicine (CIPMM), University of Saarland, Homburg, Germany
| | - Shan Bian
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China.,Frontier Science Center for Stem Cell Research, Tongji University, Shanghai, China
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236
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Suvà ML, Tirosh I. The Glioma Stem Cell Model in the Era of Single-Cell Genomics. Cancer Cell 2020; 37:630-636. [PMID: 32396858 DOI: 10.1016/j.ccell.2020.04.001] [Citation(s) in RCA: 138] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 01/29/2020] [Accepted: 03/31/2020] [Indexed: 12/17/2022]
Abstract
Glioma stem cells (GSCs) are thought to underlie glioma initiation, evolution, and resistance to existing therapies. Although functional evidence for GSCs is abundant, tumor heterogeneity and intrinsic limitations in GSC assays have represented barriers for the field. In this perspective, we revisit the GSC model in light of recent single-cell expression profiling studies. We highlight how classes of glioma differ in their cellular architecture and relate the observed cellular states to established GSC markers. We additionally propose a set of single-cell informed definitions as a framework for our understanding of the cellular architecture of gliomas and a potential therapeutic outlook.
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Affiliation(s)
- Mario L Suvà
- Department of Pathology and Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA; Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA.
| | - Itay Tirosh
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot 761001, Israel.
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237
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Samiei E, Seyfoori A, Toyota B, Ghavami S, Akbari M. Investigating Programmed Cell Death and Tumor Invasion in a Three-Dimensional (3D) Microfluidic Model of Glioblastoma. Int J Mol Sci 2020; 21:E3162. [PMID: 32365781 PMCID: PMC7246580 DOI: 10.3390/ijms21093162] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 04/26/2020] [Accepted: 04/28/2020] [Indexed: 02/07/2023] Open
Abstract
Glioblastoma multiforme (GBM) is a rapidly progressive and deadly form of brain tumor with a median survival rate of ~15 months. GBMs are hard to treat and significantly affect the patient's physical and cognitive abilities and quality of life. Temozolomide (TMZ)-an alkylating agent that causes DNA damage-is the only chemotherapy choice for the treatment of GBM. However, TMZ also induces autophagy and causes tumor cell resistance and thus fails to improve the survival rate among patients. Here, we studied the drug-induced programmed cell death and invasion inhibition capacity of TMZ and a mevalonate cascade inhibitor, simvastatin (Simva), in a three-dimensional (3D) microfluidic model of GBM. We elucidate the role of autophagy in apoptotic cell death by comparing apoptosis in autophagy knockdown cells (Atg7 KD) against their scrambled counterparts. Our results show that the cells were significantly less sensitive to drugs in the 3D model as compared to monolayer culture systems. An immunofluorescence analysis confirmed that apoptosis is the mechanism of cell death in TMZ- and Simva-treated glioma cells. However, the induction of apoptosis in the 3D model is significantly lower than in monolayer cultures. We have also shown that autophagy inhibition (Atg7 KD) did not change TMZ and Simva-induced apoptosis in the 3D microfluidic model. Overall, for the first time in this study we have established the simultaneous detection of drug induced apoptosis and autophagy in a 3D microfluidic model of GBM. Our study presents a potential ex vivo platform for developing novel therapeutic strategies tailored toward disrupting key molecular pathways involved in programmed cell death and tumor invasion in glioblastoma.
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Affiliation(s)
- Ehsan Samiei
- Laboratory for Innovation in Microengineering (LiME), Department of Mechanical Engineering, University of Victoria, 3800 Finnerty Rd., Victoria, BC V8P 2C5, Canada; (E.S.); (A.S.)
- Center for Advanced Materials and Related Technology (CAMTEC), University of Victoria, Victoria, BC V8W 2Y2, Canada
| | - Amir Seyfoori
- Laboratory for Innovation in Microengineering (LiME), Department of Mechanical Engineering, University of Victoria, 3800 Finnerty Rd., Victoria, BC V8P 2C5, Canada; (E.S.); (A.S.)
- Center for Advanced Materials and Related Technology (CAMTEC), University of Victoria, Victoria, BC V8W 2Y2, Canada
| | - Brian Toyota
- Department of Surgery, Queens University, Kingston, ON K7L 2V7, Canada;
| | - Saeid Ghavami
- Departments of Human Anatomy and Cell Science, Rady Faculty of Health Science, University of Manitoba, Winnipeg, MB R3E 0J9, Canada;
- The Biology of Breathing Theme, Children’s Hospital Research Institute of Manitoba, University of Manitoba, Winnipeg, MB R3E 3P4, Canada
| | - Mohsen Akbari
- Laboratory for Innovation in Microengineering (LiME), Department of Mechanical Engineering, University of Victoria, 3800 Finnerty Rd., Victoria, BC V8P 2C5, Canada; (E.S.); (A.S.)
- Center for Advanced Materials and Related Technology (CAMTEC), University of Victoria, Victoria, BC V8W 2Y2, Canada
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238
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Azzarelli R. Organoid Models of Glioblastoma to Study Brain Tumor Stem Cells. Front Cell Dev Biol 2020; 8:220. [PMID: 32373607 PMCID: PMC7176979 DOI: 10.3389/fcell.2020.00220] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 03/16/2020] [Indexed: 12/14/2022] Open
Abstract
Glioblastoma represents an aggressive form of brain cancer characterized by poor prognosis and a 5-year survival rate of only 3–7%. Despite remarkable advances in brain tumor research in the past decades, very little has changed for patients, due in part to the recurrent nature of the disease and to the lack of suitable models to perform genotype-phenotype association studies and personalized drug screening. In vitro culture of cancer cells derived from patient biopsies has been fundamental in understanding tumor biology and for testing the effect of various drugs. These cultures emphasize the role of in vitro cancer stem cells (CSCs), which fuel tumor growth and are thought to be the cause of relapse after treatment. However, it has become clear over the years that a 2D monolayer culture of these CSCs has certain disadvantages, including the lack of heterogeneous cell-cell and cell-environment interactions, which can now be partially overcome by the introduction of 3D organoid cultures. This is a novel and expanding field of research and in this review, I describe the emerging 3D models of glioblastoma. I also discuss their potential to advance our knowledge of tumor biology and CSC heterogeneity, while debating their current limitations.
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Affiliation(s)
- Roberta Azzarelli
- Unit of Cell and Developmental Biology, Department of Biology, University of Pisa, Pisa, Italy
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239
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Kitaeva KV, Rutland CS, Rizvanov AA, Solovyeva VV. Cell Culture Based in vitro Test Systems for Anticancer Drug Screening. Front Bioeng Biotechnol 2020; 8:322. [PMID: 32328489 PMCID: PMC7160228 DOI: 10.3389/fbioe.2020.00322] [Citation(s) in RCA: 84] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 03/24/2020] [Indexed: 12/18/2022] Open
Abstract
The development of new high-tech systems for screening anticancer drugs is one of the main problems of preclinical screening. Poor correlation between preclinical in vitro and in vivo data with clinical trials remains a major concern. The choice of the correct tumor model at the stage of in vitro testing provides reduction in both financial and time costs during later stages due to the timely screening of ineffective agents. In view of the growing incidence of oncology, increasing the pace of the creation, development and testing of new antitumor agents, the improvement and expansion of new high-tech systems for preclinical in vitro screening is becoming very important. The pharmaceutical industry presently relies on several widely used in vitro models, including two-dimensional models, three-dimensional models, microfluidic systems, Boyden's chamber and models created using 3D bioprinting. This review outlines and describes these tumor models including their use in research, in addition to their characteristics. This review therefore gives an insight into in vitro based testing which is of interest to researchers and clinicians from differing fields including pharmacy, preclinical studies and cell biology.
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Affiliation(s)
- Kristina V. Kitaeva
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Catrin S. Rutland
- School of Veterinary Medicine and Science, University of Nottingham, Nottingham, United Kingdom
| | - Albert A. Rizvanov
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
- School of Veterinary Medicine and Science, University of Nottingham, Nottingham, United Kingdom
| | - Valeriya V. Solovyeva
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
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240
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Jane EP, Premkumar DR, Thambireddy S, Golbourn B, Agnihotri S, Bertrand KC, Mack SC, Myers MI, Chattopadhyay A, Taylor DL, Schurdak ME, Stern AM, Pollack IF. Targeting NAD + Biosynthesis Overcomes Panobinostat and Bortezomib-Induced Malignant Glioma Resistance. Mol Cancer Res 2020; 18:1004-1017. [PMID: 32238439 DOI: 10.1158/1541-7786.mcr-19-0669] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 12/17/2019] [Accepted: 03/26/2020] [Indexed: 12/12/2022]
Abstract
To improve therapeutic responses in patients with glioma, new combination therapies that exploit a mechanistic understanding of the inevitable emergence of drug resistance are needed. Intratumoral heterogeneity enables a low barrier to resistance in individual patients with glioma. We reasoned that targeting two or more fundamental processes that gliomas are particularly dependent upon could result in pleiotropic effects that would reduce the diversity of resistant subpopulations allowing convergence to a more robust therapeutic strategy. In contrast to the cytostatic responses observed with each drug alone, the combination of the histone deacetylase inhibitor panobinostat and the proteasome inhibitor bortezomib synergistically induced apoptosis of adult and pediatric glioma cell lines at clinically achievable doses. Resistance that developed was examined using RNA-sequencing and pharmacologic screening of resistant versus drug-naïve cells. Quinolinic acid phosphoribosyltransferase (QPRT), the rate-determining enzyme for de novo synthesis of NAD+ from tryptophan, exhibited particularly high differential gene expression in resistant U87 cells and protein expression in all resistant lines tested. Reducing QPRT expression reversed resistance, suggesting that QPRT is a selective and targetable dependency for the panobinostat-bortezomib resistance phenotype. Pharmacologic inhibition of either NAD+ biosynthesis or processes such as DNA repair that consume NAD+ or their simultaneous inhibition with drug combinations, specifically enhanced apoptosis in treatment-resistant cells. Concomitantly, de novo vulnerabilities to known drugs were observed. IMPLICATIONS: These data provide new insights into mechanisms of treatment resistance in gliomas, hold promise for targeting recurrent disease, and provide a potential strategy for further exploration of next-generation inhibitors.
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Affiliation(s)
- Esther P Jane
- Department of Neurosurgery, University of Pittsburgh, Pittsburgh, Pennsylvania.,University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Daniel R Premkumar
- Department of Neurosurgery, University of Pittsburgh, Pittsburgh, Pennsylvania. .,University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.,University of Pittsburgh Cancer Institute Brain Tumor Center, Pittsburgh, Pennsylvania
| | - Swetha Thambireddy
- Department of Neurosurgery, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Brian Golbourn
- Department of Neurosurgery, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Sameer Agnihotri
- Department of Neurosurgery, University of Pittsburgh, Pittsburgh, Pennsylvania.,University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.,University of Pittsburgh Cancer Institute Brain Tumor Center, Pittsburgh, Pennsylvania
| | - Kelsey C Bertrand
- Texas Children's Hospital, Baylor College of Medicine, Houston, Texas
| | - Stephen C Mack
- Texas Children's Hospital, Baylor College of Medicine, Houston, Texas
| | - Max I Myers
- Department of Neurosurgery, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Ansuman Chattopadhyay
- Molecular Biology Information Service, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - D Lansing Taylor
- Cancer Institute, University of Pittsburgh, Pittsburgh, Pennsylvania.,Drug Discovery Institute, University of Pittsburgh, Pittsburgh, Pennsylvania.,Department of Computational and Systems Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Mark E Schurdak
- Cancer Institute, University of Pittsburgh, Pittsburgh, Pennsylvania.,Drug Discovery Institute, University of Pittsburgh, Pittsburgh, Pennsylvania.,Department of Computational and Systems Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Andrew M Stern
- Drug Discovery Institute, University of Pittsburgh, Pittsburgh, Pennsylvania.,Department of Computational and Systems Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Ian F Pollack
- Department of Neurosurgery, University of Pittsburgh, Pittsburgh, Pennsylvania. .,University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.,University of Pittsburgh Cancer Institute Brain Tumor Center, Pittsburgh, Pennsylvania
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241
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Alafate W, Li X, Zuo J, Zhang H, Xiang J, Wu W, Xie W, Bai X, Wang M, Wang J. Elevation of CXCL1 indicates poor prognosis and radioresistance by inducing mesenchymal transition in glioblastoma. CNS Neurosci Ther 2020; 26:475-485. [PMID: 32187449 PMCID: PMC7080429 DOI: 10.1111/cns.13297] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 10/14/2019] [Accepted: 10/18/2019] [Indexed: 12/13/2022] Open
Abstract
INTRODUCTION Glioblastoma (GBM) is identified as a lethal malignant tumor derived from the nervous system. Despite the standard clinical strategy including maximum surgical resection, temozolomide (TMZ) chemotherapy, and radiotherapy, the median survival of GBM patients remains <15 months. Accumulating evidence indicates that rapid-acquired radioresistance is one of the most common reasons for GBM recurrence. Therefore, developing novel therapeutic targets for radioresistant GBM could yield long-term cures. AIMS To investigate the functional role of CXCL1 in the acquired radioresistance and identify the molecular pathway correlated to CXCL1. RESULTS In this study, we identified that CXCL1 is highly expressed in GBM and the elevation of CXCL1 is involved in radioresistance and poor prognosis in GBM patients. Additionally, silencing CXCL1 attenuated the proliferation and radioresistance of GBM cells. Furthermore, we demonstrated that CXCL1-overexpression induced radioresistance through mesenchymal transition of GBM via the activation of nuclear factor-kappa B (NF-κB) signaling. CONCLUSION CXCL1 was highly enriched in GBM and positively correlated with poor prognosis in GBM patients. Additionally, elevated CXCL1 induced radioresistance in GBM through regulation of NF-κB signaling by promoting mesenchymal transition in GBM.
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Affiliation(s)
- Wahafu Alafate
- Department of NeurosurgeryThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
- Center of Brain ScienceThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Xiaodong Li
- Department of NeurosurgeryThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Jie Zuo
- The Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Hua Zhang
- Department of NeurosurgeryThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
- Center of Brain ScienceThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Jianyang Xiang
- Department of NeurosurgeryThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Wei Wu
- Department of NeurosurgeryThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Wanfu Xie
- Department of NeurosurgeryThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Xiaobin Bai
- Department of NeurosurgeryThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Maode Wang
- Department of NeurosurgeryThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
- Center of Brain ScienceThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
| | - Jia Wang
- Department of NeurosurgeryThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
- Center of Brain ScienceThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anChina
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242
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CRISPRi-based radiation modifier screen identifies long non-coding RNA therapeutic targets in glioma. Genome Biol 2020; 21:83. [PMID: 32234056 PMCID: PMC7110660 DOI: 10.1186/s13059-020-01995-4] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Accepted: 03/10/2020] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Long non-coding RNAs (lncRNAs) exhibit highly cell type-specific expression and function, making this class of transcript attractive for targeted cancer therapy. However, the vast majority of lncRNAs have not been tested as potential therapeutic targets, particularly in the context of currently used cancer treatments. Malignant glioma is rapidly fatal, and ionizing radiation is part of the current standard-of-care used to slow tumor growth in both adult and pediatric patients. RESULTS We use CRISPR interference (CRISPRi) to screen 5689 lncRNA loci in human glioblastoma (GBM) cells, identifying 467 hits that modify cell growth in the presence of clinically relevant doses of fractionated radiation. Thirty-three of these lncRNA hits sensitize cells to radiation, and based on their expression in adult and pediatric gliomas, nine of these hits are prioritized as lncRNA Glioma Radiation Sensitizers (lncGRS). Knockdown of lncGRS-1, a primate-conserved, nuclear-enriched lncRNA, inhibits the growth and proliferation of primary adult and pediatric glioma cells, but not the viability of normal brain cells. Using human brain organoids comprised of mature neural cell types as a three-dimensional tissue substrate to model the invasive growth of glioma, we find that antisense oligonucleotides targeting lncGRS-1 selectively decrease tumor growth and sensitize glioma cells to radiation therapy. CONCLUSIONS These studies identify lncGRS-1 as a glioma-specific therapeutic target and establish a generalizable approach to rapidly identify novel therapeutic targets in the vast non-coding genome to enhance radiation therapy.
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243
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Khakipoor S, Crouch EE, Mayer S. Human organoids to model the developing human neocortex in health and disease. Brain Res 2020; 1742:146803. [PMID: 32240655 DOI: 10.1016/j.brainres.2020.146803] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 01/28/2020] [Accepted: 03/24/2020] [Indexed: 02/06/2023]
Abstract
Rodent models have catalyzed major discoveries in the neocortex, a brain region unique to mammals. However, since the neocortex has expanded considerably in primates, employing rodent models has limitations. Human fetal brain tissue is a scarce resource with limitations for experimental manipulations. In order to create an experimentally tractable representation of human brain development, a number of labs have recently created in vitro models of the developing human brain. These models, generated using human embryonic stem cells or induced pluripotent stem cells, are called "organoids". Organoids have successfully and rapidly uncovered new mechanisms of human brain development in health and disease. In the future, we envision that this strategy will enable faster and more efficient translation of basic neuroscience findings to therapeutic applications. In this review, we discuss the generation of the first human cerebral organoids, progress since their debut, and challenges to be overcome in the future.
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Affiliation(s)
- Shokoufeh Khakipoor
- Hertie Institute for Clinical Brain Research, University of Tübingen, 72076 Tübingen, Germany
| | - Elizabeth E Crouch
- Department of Pediatrics, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Simone Mayer
- Hertie Institute for Clinical Brain Research, University of Tübingen, 72076 Tübingen, Germany.
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244
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Gutmann DH, Kettenmann H. Microglia/Brain Macrophages as Central Drivers of Brain Tumor Pathobiology. Neuron 2020; 104:442-449. [PMID: 31697921 DOI: 10.1016/j.neuron.2019.08.028] [Citation(s) in RCA: 169] [Impact Index Per Article: 42.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 07/18/2019] [Accepted: 08/16/2019] [Indexed: 12/21/2022]
Abstract
One of the most common brain tumors in children and adults is glioma or astrocytoma. There are few effective therapies for these cancers, and patients with malignant glioma fare poorly, even after aggressive surgery, chemotherapy, and radiation. Over the past decade, it is now appreciated that these tumors are composed of numerous distinct neoplastic and non-neoplastic cell populations, which could each influence overall tumor biology and response to therapy. Among these noncancerous cell types, monocytes (microglia and macrophages) predominate. In this Review, we discuss the complex interactions involving microglia and macrophages relevant to glioma formation, progression, and response to therapy.
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Affiliation(s)
- David H Gutmann
- Department of Neurology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Helmut Kettenmann
- Cellular Neurosciences, Max-Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin 13125, Germany.
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245
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Silvia N, Dai G. CEREBRAL ORGANOIDS AS A MODEL FOR GLIOBLASTOMA MULTIFORME. CURRENT OPINION IN BIOMEDICAL ENGINEERING 2020; 13:152-159. [PMID: 32355905 DOI: 10.1016/j.cobme.2020.03.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Glioblastoma multiforme (GBM) is a highly lethal and elusive cancer. While many in vitro and in vivo models have been developed to recapitulate the factors that contribute to its invasive behavior, they suffer from drawbacks related to genetic variability, expense and scope. Technologies utilizing human pluripotent stem cells can now generate organoids which can recapitulate the relative complexity the cytoarchitecture and microenvironment of human brain tissue. In conjunction with protocols which effectively induce GBM tumors within these "cerebral organoids", such approaches represent an unprecedented model to investigate GBM invasion and its effect on the brain ECM. This review focuses on methods of brain organoid development, protocols for inducing GBM, the relevant findings on invasion and microenvironmental changes, and discusses their limitations and potential future direction.
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Affiliation(s)
- Nathaniel Silvia
- Department of Bioengineering, Northeastern University, Boston, MA, USA
| | - Guohao Dai
- Department of Bioengineering, Northeastern University, Boston, MA, USA
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246
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Fiorini E, Veghini L, Corbo V. Modeling Cell Communication in Cancer With Organoids: Making the Complex Simple. Front Cell Dev Biol 2020; 8:166. [PMID: 32258040 PMCID: PMC7094029 DOI: 10.3389/fcell.2020.00166] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 02/28/2020] [Indexed: 12/14/2022] Open
Abstract
Homotypic and heterotypic interactions between cells are of crucial importance in multicellular organisms for the maintenance of physiological functions. Accordingly, changes in cell-to-cell communication contribute significantly to tumor development. Cancer cells engage the different components of the tumor microenvironment (TME) to support malignant proliferation, escape immune control, and favor metastatic spreading. The interaction between cancerous and non-cancerous cell types within tumors occurs in many ways, including physical contact and paracrine signaling. Furthermore, local and long-range transfer of biologically active molecules (e.g., DNA, RNA, and proteins) can be mediated by small extracellular vesicles (EVs) and this has been shown to influence many aspects of tumor progression. As it stands, there is a critical need for suitable experimental systems that enable modeling the cell-to-cell communications occurring in cancer. Given their intrinsic complexity, animal models represent the ideal system to study cell-to-cell interaction between different cell types; however, they might make difficult to assess individual contribution to a given phenotype. On the other hand, simplest experimental models (i.e., in vitro culture systems) might be of great use when weighing individual contributions to a given phenomenon, yet it is imperative that they share a considerable number of features with human cancer. Of the many culture systems available to the scientific community, patient-derived organoids already proved to faithfully recapitulate many of the traits of patients’ disease, including genetic heterogeneity and response to therapy. The organoid technology offers several advantages over conventional monolayer cell cultures, including the preservation of the topology of cell-to-cell and cell-to-matrix interactions as observed in vivo. Several studies have shown that organoid cultures can be successfully used to study interaction between cancer cells and cellular components of the TME. Here, we discuss the potential of using organoids to model the interplay between cancer and non-cancer cells in order to unveil biological mechanisms involved in cancers initiation and progression, which might ultimately lead to the identification of novel intervention strategy for those diseases.
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Affiliation(s)
- Elena Fiorini
- Department of Diagnostics and Public Health, University of Verona, Verona, Italy.,Department of Medicine, University of Verona, Verona, Italy
| | - Lisa Veghini
- Department of Diagnostics and Public Health, University of Verona, Verona, Italy.,Department of Medicine, University of Verona, Verona, Italy
| | - Vincenzo Corbo
- Department of Diagnostics and Public Health, University of Verona, Verona, Italy.,ARC-Net Research Centre, University of Verona, Verona, Italy
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247
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Vollmann-Zwerenz A, Leidgens V, Feliciello G, Klein CA, Hau P. Tumor Cell Invasion in Glioblastoma. Int J Mol Sci 2020; 21:E1932. [PMID: 32178267 PMCID: PMC7139341 DOI: 10.3390/ijms21061932] [Citation(s) in RCA: 150] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 03/02/2020] [Accepted: 03/09/2020] [Indexed: 12/14/2022] Open
Abstract
Glioblastoma (GBM) is a particularly devastating tumor with a median survival of about 16 months. Recent research has revealed novel insights into the outstanding heterogeneity of this type of brain cancer. However, all GBM subtypes share the hallmark feature of aggressive invasion into the surrounding tissue. Invasive glioblastoma cells escape surgery and focal therapies and thus represent a major obstacle for curative therapy. This review aims to provide a comprehensive understanding of glioma invasion mechanisms with respect to tumor-cell-intrinsic properties as well as cues provided by the microenvironment. We discuss genetic programs that may influence the dissemination and plasticity of GBM cells as well as their different invasion patterns. We also review how tumor cells shape their microenvironment and how, vice versa, components of the extracellular matrix and factors from non-neoplastic cells influence tumor cell motility. We further discuss different research platforms for modeling invasion. Finally, we highlight the importance of accounting for the complex interplay between tumor cell invasion and treatment resistance in glioblastoma when considering new therapeutic approaches.
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Affiliation(s)
- Arabel Vollmann-Zwerenz
- Department of Neurology and Wilhelm Sander-NeuroOncology Unit, University Hospital Regensburg, 93053 Regensburg, Germany; (A.V.-Z.); (V.L.)
| | - Verena Leidgens
- Department of Neurology and Wilhelm Sander-NeuroOncology Unit, University Hospital Regensburg, 93053 Regensburg, Germany; (A.V.-Z.); (V.L.)
| | - Giancarlo Feliciello
- Fraunhofer-Institute for Toxicology and Experimental Medicine, Division of Personalized Tumor Therapy, 93053 Regensburg, Germany; (G.F.); (C.A.K.)
| | - Christoph A. Klein
- Fraunhofer-Institute for Toxicology and Experimental Medicine, Division of Personalized Tumor Therapy, 93053 Regensburg, Germany; (G.F.); (C.A.K.)
- Experimental Medicine and Therapy Research, University of Regensburg, 93053 Regensburg, Germany
| | - Peter Hau
- Department of Neurology and Wilhelm Sander-NeuroOncology Unit, University Hospital Regensburg, 93053 Regensburg, Germany; (A.V.-Z.); (V.L.)
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248
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Dundar B, Markwell SM, Sharma NV, Olson CL, Mukherjee S, Brat DJ. Methods for in vitro modeling of glioma invasion: Choosing tools to meet the need. Glia 2020; 68:2173-2191. [PMID: 32134155 DOI: 10.1002/glia.23813] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 01/24/2020] [Accepted: 02/18/2020] [Indexed: 12/11/2022]
Abstract
Widespread tumor cell invasion is a fundamental property of diffuse gliomas and is ultimately responsible for their poor prognosis. A greater understanding of basic mechanisms underlying glioma invasion is needed to provide insights into therapies that could potentially counteract them. While none of the currently available in vitro models can fully recapitulate the complex interactions of glioma cells within the brain tumor microenvironment, if chosen and developed appropriately, these models can provide controlled experimental settings to study molecular and cellular phenomena that are challenging or impossible to model in vivo. Therefore, selecting the most appropriate in vitro model, together with its inherent advantages and limitations, for specific hypotheses and experimental questions achieves primary significance. In this review, we describe and discuss commonly used methods for modeling and studying glioma invasion in vitro, including platforms, matrices, cell culture, and visualization techniques, so that choices for experimental approach are informed and optimal.
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Affiliation(s)
- Bilge Dundar
- Department of Pathology, University of Iowa Carver College of Medicine, Iowa City, Iowa, USA
| | - Steven M Markwell
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Nitya V Sharma
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Cheryl L Olson
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Subhas Mukherjee
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Daniel J Brat
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
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249
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Organoids: A Platform Ready for Glioblastoma Precision Medicine? Trends Cancer 2020; 6:265-267. [PMID: 32209439 DOI: 10.1016/j.trecan.2020.01.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Accepted: 01/27/2020] [Indexed: 12/21/2022]
Abstract
Patient-derived organoids can recapitulate parental tumor heterogeneity. In a recent study in Cell, Jacob et al. cultivated glioblastoma organoids (GBOs) to mimic tumor heterogeneity and chimeric antigen receptor (CAR)-T cell immunotherapy, applied it for xenograft establishment and drug testing, and generated a biobank for the timely start of post-operation therapy.
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250
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Chhibber T, Bagchi S, Lahooti B, Verma A, Al-Ahmad A, Paul MK, Pendyala G, Jayant RD. CNS organoids: an innovative tool for neurological disease modeling and drug neurotoxicity screening. Drug Discov Today 2020; 25:456-465. [PMID: 31783130 PMCID: PMC7039749 DOI: 10.1016/j.drudis.2019.11.010] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 10/28/2019] [Accepted: 11/20/2019] [Indexed: 02/07/2023]
Abstract
The paradigm of central nervous system (CNS) drug discovery has mostly relied on traditional approaches of rodent models or cell-based in vitro models. Owing to the issues of species differences between humans and rodents, it is difficult to correlate the robustness of data for neurodevelopmental studies. With advances in the stem-cell field, 3D CNS organoids have been developed and explored owing to their resemblance to the human brain architecture and functions. Further, CNS organoids provide a unique opportunity to mimic the human brain physiology and serve as a modeling tool to study the normal versus pathological brain or the elucidation of mechanisms of neurological disorders. Here, we discuss the recent application of a CNS organoid explored for neurodevelopment disease or a screening tool for CNS drug development.
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Affiliation(s)
- Tanya Chhibber
- Department of Pharmaceutical Sciences, JH School of Pharmacy, Texas Tech University Health Sciences Center (TTUHSC), Amarillo, TX 79106, USA
| | - Sounak Bagchi
- Department of Pharmaceutical Sciences, JH School of Pharmacy, Texas Tech University Health Sciences Center (TTUHSC), Amarillo, TX 79106, USA
| | - Behnaz Lahooti
- Department of Pharmaceutical Sciences, JH School of Pharmacy, Texas Tech University Health Sciences Center (TTUHSC), Amarillo, TX 79106, USA
| | - Angela Verma
- Department of Pharmaceutical Sciences, JH School of Pharmacy, Texas Tech University Health Sciences Center (TTUHSC), Amarillo, TX 79106, USA
| | - Abraham Al-Ahmad
- Department of Pharmaceutical Sciences, JH School of Pharmacy, Texas Tech University Health Sciences Center (TTUHSC), Amarillo, TX 79106, USA
| | - Manash K Paul
- Division of Pulmonary and Critical Care Medicine, David Geffen School of Medicine, University of California Los Angeles (UCLA), Los Angeles, CA 90095, USA
| | - Gurudutt Pendyala
- Department of Anesthesiology, College of Medicine, University of Nebraska Medical Center (UNMC), Omaha, NE 68198, USA
| | - Rahul Dev Jayant
- Department of Pharmaceutical Sciences, JH School of Pharmacy, Texas Tech University Health Sciences Center (TTUHSC), Amarillo, TX 79106, USA.
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