301
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Camp JG, Wollny D, Treutlein B. Single-cell genomics to guide human stem cell and tissue engineering. Nat Methods 2018; 15:661-667. [PMID: 30171231 DOI: 10.1038/s41592-018-0113-0] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Accepted: 08/02/2018] [Indexed: 12/15/2022]
Abstract
To understand human development and disease, as well as to regenerate damaged tissues, scientists are working to engineer certain cell types in vitro and to create 3D microenvironments in which cells behave physiologically. Single-cell genomics (SCG) technologies are being applied to primary human organs and to engineered cells and tissues to generate atlases of cell diversity in these systems at unparalleled resolution. Moving beyond atlases, SCG methods are powerful tools for gaining insight into the engineering and disease process. Here we discuss how scientists can use single-cell sequencing to optimize human cell and tissue engineering by measuring precision, detecting inefficiencies, and assessing accuracy. We also provide a perspective on how emerging SCG methods can be used to reverse-engineer human cells and tissues and unravel disease mechanisms.
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Affiliation(s)
- J Gray Camp
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.
| | - Damian Wollny
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - Barbara Treutlein
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany. .,Max Planck Institute of Molecular Cell Biology and Genetics, Dresden, Germany. .,Department of Biosciences, Technical University Munich, Freising, Germany.
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302
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de Winter-de Groot KM, Janssens HM, van Uum RT, Dekkers JF, Berkers G, Vonk A, Kruisselbrink E, Oppelaar H, Vries R, Clevers H, Houwen RH, Escher JC, Elias SG, de Jonge HR, de Rijke YB, Tiddens HA, van der Ent CK, Beekman JM. Stratifying infants with cystic fibrosis for disease severity using intestinal organoid swelling as a biomarker of CFTR function. Eur Respir J 2018; 52:13993003.02529-2017. [DOI: 10.1183/13993003.02529-2017] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Accepted: 07/20/2018] [Indexed: 12/18/2022]
Abstract
Forskolin-induced swelling (FIS) of intestinal organoids from individuals with cystic fibrosis (CF) measures function of the cystic fibrosis transmembrane conductance regulator (CFTR), the protein mutated in CF.We investigated whether FIS corresponds with clinical outcome parameters and biomarkers of CFTR function in 34 infants diagnosed with CF. Relationships with FIS were studied for indicators of pulmonary and gastrointestinal disease.Children with low FIS had higher levels of immunoreactive trypsinogen (p=0.030) and pancreatitis-associated protein (p=0.039), more often had pancreatic insufficiency (p<0.001), had more abnormalities on chest computed tomography (p=0.049), and had lower z-scores for maximal expiratory flow at functional residual capacity (p=0.033) when compared to children with high FIS values. FIS significantly correlated with sweat chloride concentration (SCC) and intestinal current measurement (ICM) (r= −0.82 and r=0.70, respectively; both p<0.001). Individual assessment of SCC, ICM and FIS suggested that FIS can help to classify individual disease severity.Thus, stratification by FIS identified subgroups that differed in pulmonary and gastrointestinal outcome parameters. FIS of intestinal organoids correlated well with established CFTR-dependent biomarkers such as SCC and ICM, and performed adequately at group and individual level in this proof-of-concept study.
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303
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Gorshkov K, Chen CZ, Marshall RE, Mihatov N, Choi Y, Nguyen DT, Southall N, Chen KG, Park JK, Zheng W. Advancing precision medicine with personalized drug screening. Drug Discov Today 2018; 24:272-278. [PMID: 30125678 DOI: 10.1016/j.drudis.2018.08.010] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 07/26/2018] [Accepted: 08/13/2018] [Indexed: 01/15/2023]
Abstract
Personalized drug screening (PDS) of approved drug libraries enables rapid development of specific small-molecule therapies for individual patients. With a multidisciplinary team including clinicians, researchers, ethicists, informaticians and regulatory professionals, patient treatment can be optimized with greater efficacy and fewer adverse effects by using PDS as an approach to find remedies. In addition, PDS has the potential to rapidly identify therapeutics for a patient suffering from a disease without an existing therapy. From cancer to bacterial infections, we review specific maladies addressed with PDS campaigns. We predict that PDS combined with personal genomic analyses will contribute to the development of future precision medicine endeavors.
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Affiliation(s)
- Kirill Gorshkov
- National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892-3375, USA
| | - Catherine Z Chen
- National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892-3375, USA
| | - Raisa E Marshall
- National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892-3375, USA
| | - Nino Mihatov
- National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892-3375, USA
| | - Yong Choi
- National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892-3375, USA
| | - Dac-Trung Nguyen
- National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892-3375, USA
| | - Noel Southall
- National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892-3375, USA
| | - Kevin G Chen
- National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892-3375, USA
| | - John K Park
- National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892-3375, USA
| | - Wei Zheng
- National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892-3375, USA.
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304
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Abstract
A wide variety of organs are in a dynamic state, continuously undergoing renewal as a result of constant growth and differentiation. Stem cells are required during these dynamic events for continuous tissue maintenance within the organs. In a steady state of production and loss of cells within these tissues, new cells are constantly formed by differentiation from stem cells. Today, organoids derived from either adult stem cells or pluripotent stem cells can be grown to resemble various organs. As they are similar to their original organs, organoids hold great promise for use in medical research and the development of new treatments. Furthermore, they have already been utilized in the clinic, enabling personalized medicine for inflammatory bowel disease. In this review, I provide an update on current organoid technology and summarize the application of organoids in basic research, disease modeling, drug development, personalized treatment, and regenerative medicine.
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Affiliation(s)
- Toshio Takahashi
- Suntory Foundation for Life Sciences, Bioorganic Research Institute, Kyoto 619-0284, Japan;
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305
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Moorefield EC, Blue RE, Quinney NL, Gentzsch M, Ding S. Generation of renewable mouse intestinal epithelial cell monolayers and organoids for functional analyses. BMC Cell Biol 2018; 19:15. [PMID: 30111276 PMCID: PMC6094565 DOI: 10.1186/s12860-018-0165-0] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Accepted: 07/26/2018] [Indexed: 12/27/2022] Open
Abstract
Background Conditional reprogramming has enabled the development of long-lived, normal epithelial cell lines from mice and humans by in vitro culture with ROCK inhibitor on a feeder layer. We applied this technology to mouse small intestine to create 2D mouse intestinal epithelial monolayers (IEC monolayers) from genetic mouse models for functional analysis. Results IEC monolayers form epithelial colonies that proliferate on a feeder cell layer and are able to maintain their genotype over long-term passage. IEC monolayers form 3D spheroids in matrigel culture and monolayers on transwell inserts making them useful for functional analyses. IEC monolayers derived from the Cystic Fibrosis (CF) mouse model CFTR ∆F508 fail to respond to CFTR activator forskolin in 3D matrigel culture as measured by spheroid swelling and transwell monolayer culture via Ussing chamber electrophysiology. Tumor IEC monolayers generated from the ApcMin/+ mouse intestinal cancer model grow more quickly than wild-type (WT) IEC monolayers both on feeders and as spheroids in matrigel culture. Conclusions These results indicate that generation of IEC monolayers is a useful model system for growing large numbers of genotype-specific mouse intestinal epithelial cells that may be used in functional studies to examine molecular mechanisms of disease and to identify and assess novel therapeutic compounds.
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Affiliation(s)
- Emily C Moorefield
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, 111 Mason Farm Road, 6340C MBRB, CB #7545, Chapel Hill, NC, 27599-7545, USA
| | - R Eric Blue
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, 111 Mason Farm Road, 6340C MBRB, CB #7545, Chapel Hill, NC, 27599-7545, USA
| | - Nancy L Quinney
- Marsico Lung Institute/Cystic Fibrosis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Martina Gentzsch
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, 111 Mason Farm Road, 6340C MBRB, CB #7545, Chapel Hill, NC, 27599-7545, USA.,Marsico Lung Institute/Cystic Fibrosis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Shengli Ding
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, 111 Mason Farm Road, 6340C MBRB, CB #7545, Chapel Hill, NC, 27599-7545, USA.
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306
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Core Concept: Organoids have opened avenues into investigating numerous diseases. But how well do they mimic the real thing? Proc Natl Acad Sci U S A 2018; 115:3507-3509. [PMID: 29615533 DOI: 10.1073/pnas.1803647115] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
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307
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Gramegna A, Aliberti S, Seia M, Porcaro L, Bianchi V, Castellani C, Melotti P, Sorio C, Consalvo E, Franceschi E, Amati F, Contarini M, Gaffuri M, Roncoroni L, Vigone B, Bellofiore A, Del Monaco C, Oriano M, Terranova L, Patria MF, Marchisio P, Assael BM, Blasi F. When and how ruling out cystic fibrosis in adult patients with bronchiectasis. Multidiscip Respir Med 2018; 13:29. [PMID: 30151190 PMCID: PMC6101074 DOI: 10.1186/s40248-018-0142-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Background Bronchiectasis is the final result of different processes and most of the guidelines advocate for a careful evaluation of those etiologies which might be treated or might change patients’ management, including cystic fibrosis (CF). Main body CFTR mutations have been reported with higher frequency in bronchiectasis population. Although ruling out CF is considered as a main step for etiological screening in bronchiectasis, CF testing lacks of a standardized approach both from a research and clinical point of view. In this review a list of most widely used tests in CF is provided. Conclusions Exclusion of CF is imperative for patients with bronchiectasis and CFTR testing should be implemented in usual screening for investigating bronchiectasis etiology. Physicians taking care of bronchiectasis patients should be aware of CFTR testing and its limitations in the adult population. Further studies on CFTR expression in human lung and translational research might elucidate the possible role of CFTR in the pathogenesis of bronchiectasis.
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Affiliation(s)
- Andrea Gramegna
- Department of Pathophysiology and Transplantation, University of Milan, Internal Medicine Department, Respiratory Unit and Cystic Fibrosis Adult Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via Francesco Sforza 35, 20122 Milan, Italy
| | - Stefano Aliberti
- Department of Pathophysiology and Transplantation, University of Milan, Internal Medicine Department, Respiratory Unit and Cystic Fibrosis Adult Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via Francesco Sforza 35, 20122 Milan, Italy
| | - Manuela Seia
- 2Medical Genetics Laboratory, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Luigi Porcaro
- 2Medical Genetics Laboratory, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Vera Bianchi
- 3UOSD Genetica Medica, Medical Genetics Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Carlo Castellani
- 4Centro Fibrosi Cistica, Azienda Ospedaliera Universitaria Integrata, Verona, Italy
| | - Paola Melotti
- 4Centro Fibrosi Cistica, Azienda Ospedaliera Universitaria Integrata, Verona, Italy
| | - Claudio Sorio
- 5Dipartimento di Patologia e Diagnostica, Università di Verona, Verona, Italy
| | - Enza Consalvo
- 2Medical Genetics Laboratory, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Elisa Franceschi
- Department of Pathophysiology and Transplantation, University of Milan, Internal Medicine Department, Respiratory Unit and Cystic Fibrosis Adult Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via Francesco Sforza 35, 20122 Milan, Italy
| | - Francesco Amati
- Department of Pathophysiology and Transplantation, University of Milan, Internal Medicine Department, Respiratory Unit and Cystic Fibrosis Adult Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via Francesco Sforza 35, 20122 Milan, Italy
| | - Martina Contarini
- Department of Pathophysiology and Transplantation, University of Milan, Internal Medicine Department, Respiratory Unit and Cystic Fibrosis Adult Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via Francesco Sforza 35, 20122 Milan, Italy
| | - Michele Gaffuri
- 6Department of Otolaryngology and Head and Neck Surgery, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy
| | - Luca Roncoroni
- 6Department of Otolaryngology and Head and Neck Surgery, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy
| | - Barbara Vigone
- 7Scleroderma Unit, Referral Center for Systemic Autoimmune Diseases, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico di Milano, 20122 Milan, Italy
| | - Angela Bellofiore
- Department of Pathophysiology and Transplantation, University of Milan, Internal Medicine Department, Respiratory Unit and Cystic Fibrosis Adult Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via Francesco Sforza 35, 20122 Milan, Italy
| | - Cesare Del Monaco
- Department of Pathophysiology and Transplantation, University of Milan, Internal Medicine Department, Respiratory Unit and Cystic Fibrosis Adult Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via Francesco Sforza 35, 20122 Milan, Italy
| | - Martina Oriano
- Department of Pathophysiology and Transplantation, University of Milan, Internal Medicine Department, Respiratory Unit and Cystic Fibrosis Adult Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via Francesco Sforza 35, 20122 Milan, Italy.,9Molecular Medicine Department, University of Pavia, Viale Taramelli 3/b, 27100 Pavia, Italy
| | - Leonardo Terranova
- Pediatric Highly Intensive Care Unit, Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Maria Francesca Patria
- Pediatric Highly Intensive Care Unit, Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Paola Marchisio
- Pediatric Highly Intensive Care Unit, Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Baroukh M Assael
- Department of Pathophysiology and Transplantation, University of Milan, Internal Medicine Department, Respiratory Unit and Cystic Fibrosis Adult Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via Francesco Sforza 35, 20122 Milan, Italy
| | - Francesco Blasi
- Department of Pathophysiology and Transplantation, University of Milan, Internal Medicine Department, Respiratory Unit and Cystic Fibrosis Adult Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via Francesco Sforza 35, 20122 Milan, Italy
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308
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Gentzsch M, Mall MA. Ion Channel Modulators in Cystic Fibrosis. Chest 2018; 154:383-393. [PMID: 29750923 PMCID: PMC6113631 DOI: 10.1016/j.chest.2018.04.036] [Citation(s) in RCA: 100] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Revised: 04/15/2018] [Accepted: 04/27/2018] [Indexed: 02/06/2023] Open
Abstract
Cystic fibrosis (CF) is caused by mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene and remains one of the most common life-shortening genetic diseases affecting the lung and other organs. CFTR functions as a cyclic adenosine monophosphate-dependent anion channel that transports chloride and bicarbonate across epithelial surfaces, and disruption of these ion transport processes plays a central role in the pathogenesis of CF. These findings provided the rationale for pharmacologic modulation of ion transport, either by targeting mutant CFTR or alternative ion channels that can compensate for CFTR dysfunction, as a promising therapeutic approach. High-throughput screening has supported the development of CFTR modulator compounds. CFTR correctors are designed to improve defective protein processing, trafficking, and cell surface expression, whereas potentiators increase the activity of mutant CFTR at the cell surface. The approval of the first potentiator ivacaftor for the treatment of patients with specific CFTR mutations and, more recently, the corrector lumacaftor in combination with ivacaftor for patients homozygous for the common F508del mutation, were major breakthroughs on the path to causal therapies for all patients with CF. The present review focuses on recent developments and remaining challenges of CFTR-directed therapies, as well as modulators of other ion channels such as alternative chloride channels and the epithelial sodium channel as additional targets in CF lung disease. We further discuss how patient-derived precision medicine models may aid the translation of emerging next-generation ion channel modulators from the laboratory to the clinic and tailor their use for optimal therapeutic benefits in individual patients with CF.
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Affiliation(s)
- Martina Gentzsch
- Marsico Lung Institute/Cystic Fibrosis Research Center, University of North Carolina, Chapel Hill, NC; Department of Cell Biology and Physiology, University of North Carolina, Chapel Hill, NC
| | - Marcus A Mall
- Department of Pediatric Pulmonology, Immunology and Intensive Care Medicine, Charité-Universitätsmedizin Berlin, Berlin, Germany; Berlin Institute of Health, Berlin, Germany; Translational Lung Research Center Heidelberg (TLRC), German Center for Lung Research, University of Heidelberg, Heidelberg, Germany.
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309
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Awatade NT, Ramalho S, Silva IAL, Felício V, Botelho HM, de Poel E, Vonk A, Beekman JM, Farinha CM, Amaral MD. R560S: A class II CFTR mutation that is not rescued by current modulators. J Cyst Fibros 2018; 18:182-189. [PMID: 30030066 DOI: 10.1016/j.jcf.2018.07.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Revised: 06/22/2018] [Accepted: 07/01/2018] [Indexed: 12/21/2022]
Abstract
BACKGROUND New therapies modulating defective CFTR have started to hit the clinic and others are in trial or under development. The endeavour of drug discovery for CFTR protein rescue is however difficult one since over 2000 mutations have been reported. For most of these, especially the rare ones, the associated defects, the respective functional class and their responsiveness to available modulators are still unknown. Our aim here was to characterize the rare R560S mutation using patient-derived materials (rectal biopsies and intestinal organoids) from one CF individual homozygous for this mutation, in parallel with cellular models expressing R560S-CFTR and to assess the functional and biochemical responses to CFTR modulators. METHODS Intestinal organoids were prepared from rectal biopsies and analysed by RT-PCR (to assess CFTR mRNA), by Western blot (to assess CFTR protein) and by forskolin-induced swelling (FIS) assay. A novel cell line expressing R560S-CFTR was generated by stably transducing the CFBE parental cell line and used to assess R560S-CFTR processing and function. Both intestinal organoids and the cellular model were used to assess efficacy of CFTR modulators in rescuing this mutation. RESULTS Our results show that: R560S does not affect CFTR mRNA splicing; R560S affects CFTR protein processing, totally abrogating the production of its mature form; R560S-CFTR evidences no function as a Cl- channel; and none of the modulators tested rescued R560S-CFTR processing or function. CONCLUSION Altogether, these results indicate that R560S is a class II mutation. However, unlike F508del, it cannot be rescued by any of the CFTR modulators tested.
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Affiliation(s)
- Nikhil T Awatade
- University of Lisboa, BioISI - Biosystems & Integrative Sciences Institute, Campo Grande, C8 bdg, 1749-016 Lisboa, Portugal
| | - Sofia Ramalho
- University of Lisboa, BioISI - Biosystems & Integrative Sciences Institute, Campo Grande, C8 bdg, 1749-016 Lisboa, Portugal
| | - Iris A L Silva
- University of Lisboa, BioISI - Biosystems & Integrative Sciences Institute, Campo Grande, C8 bdg, 1749-016 Lisboa, Portugal
| | - Verónica Felício
- University of Lisboa, BioISI - Biosystems & Integrative Sciences Institute, Campo Grande, C8 bdg, 1749-016 Lisboa, Portugal
| | - Hugo M Botelho
- University of Lisboa, BioISI - Biosystems & Integrative Sciences Institute, Campo Grande, C8 bdg, 1749-016 Lisboa, Portugal
| | - Eyleen de Poel
- Department of Pediatric Pulmonology, Wilhelmina Children's Hospital, Regenerative Medicine Center Utrecht, University Medical Center Utrecht, the Netherlands
| | - Annelotte Vonk
- Department of Pediatric Pulmonology, Wilhelmina Children's Hospital, Regenerative Medicine Center Utrecht, University Medical Center Utrecht, the Netherlands
| | - Jeffrey M Beekman
- Department of Pediatric Pulmonology, Wilhelmina Children's Hospital, Regenerative Medicine Center Utrecht, University Medical Center Utrecht, the Netherlands
| | - Carlos M Farinha
- University of Lisboa, BioISI - Biosystems & Integrative Sciences Institute, Campo Grande, C8 bdg, 1749-016 Lisboa, Portugal
| | - Margarida D Amaral
- University of Lisboa, BioISI - Biosystems & Integrative Sciences Institute, Campo Grande, C8 bdg, 1749-016 Lisboa, Portugal.
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310
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Ahmadi S, Xia S, Wu YS, Di Paola M, Kissoon R, Luk C, Lin F, Du K, Rommens J, Bear CE. SLC6A14, an amino acid transporter, modifies the primary CF defect in fluid secretion. eLife 2018; 7:37963. [PMID: 30004386 PMCID: PMC6054531 DOI: 10.7554/elife.37963] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 07/12/2018] [Indexed: 01/29/2023] Open
Abstract
The severity of intestinal disease associated with Cystic Fibrosis (CF) is variable in the patient population and this variability is partially conferred by the influence of modifier genes. Genome-wide association studies have identified SLC6A14, an electrogenic amino acid transporter, as a genetic modifier of CF-associated meconium ileus. The purpose of the current work was to determine the biological role of Slc6a14, by disrupting its expression in CF mice bearing the major mutation, F508del. We found that disruption of Slc6a14 worsened the intestinal fluid secretion defect, characteristic of these mice. In vitro studies of mouse intestinal organoids revealed that exacerbation of the primary defect was associated with reduced arginine uptake across the apical membrane, with aberrant nitric oxide and cyclic GMP-mediated regulation of the major CF-causing mutant protein. Together, these studies highlight the role of this apical transporter in modifying cellular nitric oxide levels, residual function of the major CF mutant and potentially, its promise as a therapeutic target.
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Affiliation(s)
- Saumel Ahmadi
- Department of Physiology, University of Toronto, Toronto, Canada.,Programme in Molecular Medicine, Research Institute, Hospital for Sick Children, Toronto, Canada
| | - Sunny Xia
- Department of Physiology, University of Toronto, Toronto, Canada.,Programme in Molecular Medicine, Research Institute, Hospital for Sick Children, Toronto, Canada
| | - Yu-Sheng Wu
- Department of Physiology, University of Toronto, Toronto, Canada.,Programme in Molecular Medicine, Research Institute, Hospital for Sick Children, Toronto, Canada
| | - Michelle Di Paola
- Programme in Molecular Medicine, Research Institute, Hospital for Sick Children, Toronto, Canada.,Department of Biochemistry, University of Toronto, Toronto, Canada
| | - Randolph Kissoon
- Programme in Molecular Medicine, Research Institute, Hospital for Sick Children, Toronto, Canada
| | - Catherine Luk
- Programme in Molecular Medicine, Research Institute, Hospital for Sick Children, Toronto, Canada
| | - Fan Lin
- Department of Molecular Genetics, University of Toronto, Toronto, Canada
| | - Kai Du
- Programme in Molecular Medicine, Research Institute, Hospital for Sick Children, Toronto, Canada
| | - Johanna Rommens
- Department of Molecular Genetics, University of Toronto, Toronto, Canada.,Programme in Genetics and Genome Biology, Research Institute, Hospital for Sick Children, Toronto, Canada
| | - Christine E Bear
- Department of Physiology, University of Toronto, Toronto, Canada.,Programme in Molecular Medicine, Research Institute, Hospital for Sick Children, Toronto, Canada.,Department of Biochemistry, University of Toronto, Toronto, Canada
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311
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Chen KG, Mallon BS, Park K, Robey PG, McKay RDG, Gottesman MM, Zheng W. Pluripotent Stem Cell Platforms for Drug Discovery. Trends Mol Med 2018; 24:805-820. [PMID: 30006147 DOI: 10.1016/j.molmed.2018.06.009] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 06/13/2018] [Accepted: 06/20/2018] [Indexed: 12/30/2022]
Abstract
Use of human pluripotent stem cells (hPSCs) and their differentiated derivatives have led to recent proof-of-principle drug discoveries, defining a pathway to the implementation of hPSC-based drug discovery (hPDD). Current hPDD strategies, however, have inevitable conceptual biases and technological limitations, including the dimensionality of cell-culture methods, cell maturity and functionality, experimental variability, and data reproducibility. In this review, we dissect representative hPDD systems via analysis of hPSC-based 2D-monolayers, 3D culture, and organoids. We discuss mechanisms of drug discovery and drug repurposing, and roles of membrane drug transporters in tissue maturation and hPDD using the example of drugs that target various mutations of CFTR, the cystic fibrosis transmembrane conductance regulator gene, in patients with cystic fibrosis.
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Affiliation(s)
- Kevin G Chen
- NIH Stem Cell Characterization Facility, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA.
| | - Barbara S Mallon
- NIH Stem Cell Characterization Facility, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA
| | - Kyeyoon Park
- NIH Stem Cell Characterization Facility, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA
| | - Pamela G Robey
- Skeletal Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20892, USA
| | - Ronald D G McKay
- The Lieber Institute for Brain Development, Baltimore, MD 21205, USA
| | - Michael M Gottesman
- The Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Wei Zheng
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD 20850, USA
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312
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Truskey GA. Human Microphysiological Systems and Organoids as in Vitro Models for Toxicological Studies. Front Public Health 2018; 6:185. [PMID: 30042936 PMCID: PMC6048981 DOI: 10.3389/fpubh.2018.00185] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 06/11/2018] [Indexed: 12/12/2022] Open
Abstract
Organoids and microphysiological systems represent two current approaches to reproduce organ function in vitro. These systems can potentially provide unbiased assays of function which are needed to understand the mechanism of action of environmental toxins. Culture models that replicate organ function and interactions among cell types and tissues move beyond existing screens that target individual pathways and provide a means to assay context-dependent function. The current state of organoid cultures and microphysiological systems is reviewed and applications discussed. While few studies have examined environmental pollutants, studies with drugs demonstrate the power of these systems to assess toxicity as well as mechanism of action. Strengths and limitations of organoids and microphysiological systems are reviewed and challenges are identified to produce suitable high capacity functional assays.
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Affiliation(s)
- George A Truskey
- Department of Biomedical Engineering, Duke University, Durham, NC, United States
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313
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Fair KL, Colquhoun J, Hannan NRF. Intestinal organoids for modelling intestinal development and disease. Philos Trans R Soc Lond B Biol Sci 2018; 373:20170217. [PMID: 29786552 PMCID: PMC5974440 DOI: 10.1098/rstb.2017.0217] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/21/2018] [Indexed: 12/17/2022] Open
Abstract
Gastrointestinal diseases are becoming increasingly prevalent in developed countries. Immortalized cells and animal models have delivered important but limited insight into the mechanisms that initiate and propagate these diseases. Human-specific models of intestinal development and disease are desperately needed that can recapitulate structure and function of the gut in vitro Advances in pluripotent stem cells and primary tissue culture techniques have made it possible to culture intestinal epithelial cells in three dimensions that self-assemble to form 'intestinal organoids'. These organoids allow for new, human-specific models that can be used to gain insight into gastrointestinal disease and potentially deliver new therapies to treat them. Here we review current in vitro models of intestinal development and disease, considering where improvements could be made and potential future applications in the fields of developmental modelling, drug/toxicity testing and therapeutic uses.This article is part of the theme issue 'Designer human tissue: coming to a lab near you'.
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Affiliation(s)
- Kathryn L Fair
- Division of Cancer and Stem Cells, School of Medicine, Centre for Biomolecular Sciences, University of Nottingham, Nottingham NG7 2RD, UK
| | - Jennifer Colquhoun
- Division of Cancer and Stem Cells, School of Medicine, Centre for Biomolecular Sciences, University of Nottingham, Nottingham NG7 2RD, UK
| | - Nicholas R F Hannan
- Division of Cancer and Stem Cells, School of Medicine, Centre for Biomolecular Sciences, University of Nottingham, Nottingham NG7 2RD, UK
- National Institute for Health Research (NIHR) Nottingham Digestive Diseases Biomedical Research Unit, Nottingham University Hospitals NHS Trust and University of Nottingham, Nottingham NG7 2RD, UK
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314
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Abstract
The recent advances in in vitro 3D culture technologies, such as organoids, have opened new avenues for the development of novel, more physiological human cancer models. Such preclinical models are essential for more efficient translation of basic cancer research into novel treatment regimens for patients with cancer. Wild-type organoids can be grown from embryonic and adult stem cells and display self-organizing capacities, phenocopying essential aspects of the organs they are derived from. Genetic modification of organoids allows disease modelling in a setting that approaches the physiological environment. Additionally, organoids can be grown with high efficiency from patient-derived healthy and tumour tissues, potentially enabling patient-specific drug testing and the development of individualized treatment regimens. In this Review, we evaluate tumour organoid protocols and how they can be utilized as an alternative model for cancer research.
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Affiliation(s)
- Jarno Drost
- Princess Máxima Centre for Paediatric Oncology, Utrecht, Netherlands.
| | - Hans Clevers
- Princess Máxima Centre for Paediatric Oncology, Utrecht, Netherlands
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and UMC Utrecht, Utrecht, Netherlands
- Oncode Institute, Utrecht, Netherlands
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315
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Clancy JP, Cotton CU, Donaldson SH, Solomon GM, VanDevanter DR, Boyle MP, Gentzsch M, Nick JA, Illek B, Wallenburg JC, Sorscher EJ, Amaral MD, Beekman JM, Naren AP, Bridges RJ, Thomas PJ, Cutting G, Rowe S, Durmowicz AG, Mense M, Boeck KD, Skach W, Penland C, Joseloff E, Bihler H, Mahoney J, Borowitz D, Tuggle KL. CFTR modulator theratyping: Current status, gaps and future directions. J Cyst Fibros 2018; 18:22-34. [PMID: 29934203 DOI: 10.1016/j.jcf.2018.05.004] [Citation(s) in RCA: 165] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 05/07/2018] [Accepted: 05/08/2018] [Indexed: 12/22/2022]
Abstract
BACKGROUND New drugs that improve the function of the cystic fibrosis transmembrane conductance regulator (CFTR) protein with discreet disease-causing variants have been successfully developed for cystic fibrosis (CF) patients. Preclinical model systems have played a critical role in this process, and have the potential to inform researchers and CF healthcare providers regarding the nature of defects in rare CFTR variants, and to potentially support use of modulator therapies in new populations. METHODS The Cystic Fibrosis Foundation (CFF) assembled a workshop of international experts to discuss the use of preclinical model systems to examine the nature of CF-causing variants in CFTR and the role of in vitro CFTR modulator testing to inform in vivo modulator use. The theme of the workshop was centered on CFTR theratyping, a term that encompasses the use of CFTR modulators to define defects in CFTR in vitro, with application to both common and rare CFTR variants. RESULTS Several preclinical model systems were identified in various stages of maturity, ranging from the expression of CFTR variant cDNA in stable cell lines to examination of cells derived from CF patients, including the gastrointestinal tract, the respiratory tree, and the blood. Common themes included the ongoing need for standardization, validation, and defining the predictive capacity of data derived from model systems to estimate clinical outcomes from modulator-treated CF patients. CONCLUSIONS CFTR modulator theratyping is a novel and rapidly evolving field that has the potential to identify rare CFTR variants that are responsive to approved drugs or drugs in development.
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Affiliation(s)
- John Paul Clancy
- Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States.
| | | | - Scott H Donaldson
- University of North Carolina at Chapel Hill - Marsico Lung Institute, United States
| | - George M Solomon
- University of Alabama at Birmingham, University of Alabama at Birmingham
| | - Donald R VanDevanter
- Case Western Reserve University School of Medicine, Cleveland, OH, United States
| | - Michael P Boyle
- Cystic Fibrosis Foundation, Johns Hopkins University, United States
| | - Martina Gentzsch
- Marsico Lung Institute/Cystic Fibrosis Research Center, University of North Carolina, Chapel Hill, United States; Department of Cell Biology and Physiology, University of North Carolina, Chapel Hill, United States
| | - Jerry A Nick
- National Jewish Health, Denver, CO, United States
| | - Beate Illek
- UCSF Benioff Children's Hospital Oakland, United States
| | - John C Wallenburg
- Cystic Firbosis Canada, Directeur en chef des activites scientifiques, fibrose kystique, Canada
| | | | | | | | | | | | | | - Garry Cutting
- Johns Hopkins University School of Medicine, United States
| | - Steven Rowe
- University of Alabama at Birmingham, University of Alabama at Birmingham
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316
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Phuan PW, Son JH, Tan JA, Li C, Musante I, Zlock L, Nielson DW, Finkbeiner WE, Kurth MJ, Galietta LJ, Haggie PM, Verkman AS. Combination potentiator ('co-potentiator') therapy for CF caused by CFTR mutants, including N1303K, that are poorly responsive to single potentiators. J Cyst Fibros 2018; 17:595-606. [PMID: 29903467 DOI: 10.1016/j.jcf.2018.05.010] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 05/11/2018] [Accepted: 05/15/2018] [Indexed: 10/14/2022]
Abstract
BACKGROUND Current modulator therapies for some cystic fibrosis-causing CFTR mutants, including N1303K, have limited efficacy. We provide evidence here to support combination potentiator (co-potentiator) therapy for mutant CFTRs that are poorly responsive to single potentiators. METHODS Functional synergy screens done on N1303K and W1282X CFTR, in which small molecules were tested with VX-770, identified arylsulfonamide-pyrrolopyridine, phenoxy-benzimidazole and flavone co-potentiators. RESULTS A previously identified arylsulfonamide-pyrrolopyridine co-potentiator (ASP-11) added with VX-770 increased N1303K-CFTR current 7-fold more than VX-770 alone. ASP-11 increased by ~65% of the current of G551D-CFTR compared to VX-770, was additive with VX-770 on F508del-CFTR, and activated wild-type CFTR in the absence of a cAMP agonist. ASP-11 efficacy with VX-770 was demonstrated in primary CF human airway cell cultures having N1303K, W1282X and G551D CFTR mutations. Structure-activity studies on 11 synthesized ASP-11 analogs produced compounds with EC50 down to 0.5 μM. CONCLUSIONS These studies support combination potentiator therapy for CF caused by some CFTR mutations that are not effectively treated by single potentiators.
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Affiliation(s)
- Puay-Wah Phuan
- Department of Medicine, University of California, San Francisco, CA 94143-0521, USA; Department of Physiology, University of California, San Francisco, CA 94143-0521, USA.
| | - Jung-Ho Son
- Department of Chemistry, University of California, Davis, CA 95616-5270, USA
| | - Joseph-Anthony Tan
- Department of Medicine, University of California, San Francisco, CA 94143-0521, USA; Department of Physiology, University of California, San Francisco, CA 94143-0521, USA
| | - Clarabella Li
- Department of Chemistry, University of California, Davis, CA 95616-5270, USA
| | - Ilaria Musante
- Telethon Institute for Genetics and Medicine (TIGEM), Pozzuoli, Italy
| | - Lorna Zlock
- Department of Pathology University of California, San Francisco, CA 94143-0521, USA
| | - Dennis W Nielson
- Department of Pediatrics, University of California, San Francisco, CA 94143-0521, USA
| | - Walter E Finkbeiner
- Department of Pathology University of California, San Francisco, CA 94143-0521, USA
| | - Mark J Kurth
- Department of Chemistry, University of California, Davis, CA 95616-5270, USA
| | - Luis J Galietta
- Telethon Institute for Genetics and Medicine (TIGEM), Pozzuoli, Italy
| | - Peter M Haggie
- Department of Medicine, University of California, San Francisco, CA 94143-0521, USA; Department of Physiology, University of California, San Francisco, CA 94143-0521, USA
| | - Alan S Verkman
- Department of Medicine, University of California, San Francisco, CA 94143-0521, USA; Department of Physiology, University of California, San Francisco, CA 94143-0521, USA
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317
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McCarthy C, Brewington JJ, Harkness B, Clancy JP, Trapnell BC. Personalised CFTR pharmacotherapeutic response testing and therapy of cystic fibrosis. Eur Respir J 2018; 51:13993003.02457-2017. [PMID: 29563174 DOI: 10.1183/13993003.02457-2017] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Accepted: 03/12/2018] [Indexed: 11/05/2022]
Affiliation(s)
- Cormac McCarthy
- Translational Pulmonary Science Center, Division of Pulmonary Biology, Children's Hospital Medical Center, Cincinnati, OH, USA.,Division of Pulmonary Medicine, Children's Hospital Medical Center, Cincinnati, OH, USA.,Division of Pulmonary, Critical Care, and Sleep Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - John J Brewington
- Division of Pulmonary Medicine, Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Beth Harkness
- Children's National Medical Center, Washington, DC, USA
| | - John P Clancy
- Division of Pulmonary Medicine, Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Bruce C Trapnell
- Translational Pulmonary Science Center, Division of Pulmonary Biology, Children's Hospital Medical Center, Cincinnati, OH, USA.,Division of Pulmonary Medicine, Children's Hospital Medical Center, Cincinnati, OH, USA.,Division of Pulmonary, Critical Care, and Sleep Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA
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318
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Wang Z, Wang SN, Xu TY, Miao ZW, Su DF, Miao CY. Organoid technology for brain and therapeutics research. CNS Neurosci Ther 2018; 23:771-778. [PMID: 28884977 DOI: 10.1111/cns.12754] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 08/11/2017] [Accepted: 08/18/2017] [Indexed: 12/30/2022] Open
Abstract
Brain is one of the most complex organs in human. The current brain research is mainly based on the animal models and traditional cell culture. However, the inherent species differences between humans and animals as well as the gap between organ level and cell level make it difficult to study human brain development and associated disorders through traditional technologies. Recently, the brain organoids derived from pluripotent stem cells have been reported to recapitulate many key features of human brain in vivo, for example recapitulating the zone of putative outer radial glia cells. Brain organoids offer a new platform for scientists to study brain development, neurological diseases, drug discovery and personalized medicine, regenerative medicine, and so on. Here, we discuss the progress, applications, advantages, limitations, and prospects of brain organoid technology in neurosciences and related therapeutics.
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Affiliation(s)
- Zhi Wang
- Department of Pharmacology, Second Military Medical University, Shanghai, China
| | - Shu-Na Wang
- Department of Pharmacology, Second Military Medical University, Shanghai, China
| | - Tian-Ying Xu
- Department of Pharmacology, Second Military Medical University, Shanghai, China
| | - Zhu-Wei Miao
- Department of Pharmacology, Second Military Medical University, Shanghai, China
| | - Ding-Feng Su
- Department of Pharmacology, Second Military Medical University, Shanghai, China
| | - Chao-Yu Miao
- Department of Pharmacology, Second Military Medical University, Shanghai, China.,Center of Stroke, Beijing Institute for Brain Disorders, Beijing, China
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319
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Designing trials for new cystic fibrosis modulators. THE LANCET RESPIRATORY MEDICINE 2018; 6:484-486. [PMID: 29859920 DOI: 10.1016/s2213-2600(18)30195-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Accepted: 05/01/2018] [Indexed: 12/30/2022]
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320
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Abstract
The number of published articles on Cystic Fibrosis (CF) continues to increase year on year. The evidence base for small molecule therapies in CF has continued to expand, with evidence for lumacaftor/ivacaftor in younger patients and longer-term evidence in adults, and pivotal studies on tezacaftor/ivacaftor. There were reports on emerging CFTR mutation agnostic therapies, and new evidence for long standing therapies.
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Affiliation(s)
- Iolo Doull
- Department of Paediatric Respiratory Medicine and Paediatric Cystic Fibrosis Centre, Children's Hospital for Wales, Cardiff CF14 4XN, UK.
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321
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322
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Madl CM, Heilshorn SC, Blau HM. Bioengineering strategies to accelerate stem cell therapeutics. Nature 2018; 557:335-342. [PMID: 29769665 PMCID: PMC6773426 DOI: 10.1038/s41586-018-0089-z] [Citation(s) in RCA: 232] [Impact Index Per Article: 38.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 03/16/2018] [Indexed: 02/06/2023]
Abstract
Although only a few stem cell-based therapies are currently available to patients, stem cells hold tremendous regenerative potential, and several exciting clinical applications are on the horizon. Biomaterials with tuneable mechanical and biochemical properties can preserve stem cell function in culture, enhance survival of transplanted cells and guide tissue regeneration. Rapid progress with three-dimensional hydrogel culture platforms provides the opportunity to grow patient-specific organoids, and has led to the discovery of drugs that stimulate endogenous tissue-specific stem cells and enabled screens for drugs to treat disease. Therefore, bioengineering technologies are poised to overcome current bottlenecks and revolutionize the field of regenerative medicine.
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Affiliation(s)
- Christopher M Madl
- Baxter Laboratory for Stem Cell Biology, Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California, USA
| | - Sarah C Heilshorn
- Department of Materials Science and Engineering, Stanford University, Stanford, California, USA
| | - Helen M Blau
- Baxter Laboratory for Stem Cell Biology, Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California, USA.
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323
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Leijten EFA, Radstake TRDJ, Reedquist KA. Editorial: Lessons Learned From a "Failed" Clinical Trial. Arthritis Rheumatol 2018; 70:1364-1365. [PMID: 29669390 DOI: 10.1002/art.40526] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Accepted: 04/10/2018] [Indexed: 12/15/2022]
Affiliation(s)
- E F A Leijten
- University Medical Center Utrecht, Utrecht, The Netherlands
| | | | - K A Reedquist
- University Medical Center Utrecht, Utrecht, The Netherlands
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324
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Kaiko GE, Wark PAB. Developments in cystic fibrosis personalised epithelial assays: Science and patient perspectives. J Cyst Fibros 2018; 17:289-291. [PMID: 29661511 DOI: 10.1016/j.jcf.2018.03.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/21/2018] [Indexed: 11/28/2022]
Affiliation(s)
- Gerard E Kaiko
- Department of Microbiology and Immunology, School of Biomedical Sciences and Pharmacy, Faculty of Health, The University of Newcastle, Callaghan, New South Wales, Australia; Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and the University of Newcastle, Newcastle, NSW, Australia.
| | - Peter A B Wark
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and the University of Newcastle, Newcastle, NSW, Australia; Department of Respiratory and Sleep Medicine, John Hunter Hospital, Newcastle, NSW, Australia
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325
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Ponzano S, Nigrelli G, Fregonese L, Eichler I, Bertozzi F, Bandiera T, Galietta LJV, Papaluca M. A European regulatory perspective on cystic fibrosis: current treatments, trends in drug development and translational challenges for CFTR modulators. Eur Respir Rev 2018; 27:27/148/170124. [PMID: 29653946 DOI: 10.1183/16000617.0124-2017] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 02/14/2018] [Indexed: 12/18/2022] Open
Abstract
In this article we analyse the current authorised treatments and trends in early drug development for cystic fibrosis (CF) in the European Union for the time period 2000-2016. The analysis indicates a significant improvement in the innovation and development of new potential medicines for CF, shifting from products that act on the symptoms of the disease towards new therapies targeting the cause of CF. However, within these new innovative medicines, results for CF transmembrane conductance regulator (CFTR) modulators indicate that one major challenge for turning a CF concept product into an actual medicine for the benefit of patients resides in the fact that, although pre-clinical models have shown good predictability for certain mutations, a good correlation to clinical end-points or biomarkers (e.g. forced expiratory volume in 1 s and sweat chloride) for all mutations has not yet been achieved. In this respect, the use of alternative end-points and innovative nonclinical models could be helpful for the understanding of those translational discrepancies. Collaborative endeavours to promote further research and development in these areas as well as early dialogue with the regulatory bodies available at the European competent authorities are recommended.
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Affiliation(s)
- Stefano Ponzano
- European Medicines Agency, London, UK.,D3 PharmaChemistry, Istituto Italiano di Tecnologia, Genova, Italy
| | | | | | | | - Fabio Bertozzi
- D3 PharmaChemistry, Istituto Italiano di Tecnologia, Genova, Italy
| | - Tiziano Bandiera
- D3 PharmaChemistry, Istituto Italiano di Tecnologia, Genova, Italy
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326
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Intestinal organoids and personalized medicine in cystic fibrosis: a successful patient-oriented research collaboration. Curr Opin Pulm Med 2018; 22:610-6. [PMID: 27635627 DOI: 10.1097/mcp.0000000000000315] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
PURPOSE OF REVIEW New therapeutics have been introduced for cystic fibrosis that modulate cystic fibrosis transmembrane conductance regulator (CFTR) function in a mutation-specific fashion. Despite CFTR genotype-based stratification of treatments, treatment efficacy is variable between study participants suggesting that individual factors further contribute to drug efficacy. Moreover, these treatments are licensed for a limited amount of CFTR mutations, and study participants with rare mutations that can potentially benefit from available treatments may be missed. New approaches that better support the identification of responders to CFTR modulators are, therefore, needed. RECENT FINDINGS We, here, review how a patient-oriented research collaboration between basic and clinical scientists and a national cystic fibrosis patient organization led to the development of a CFTR-dependent assay using primary stem cell cultures termed intestinal organoids that can measure the individual efficacy of CFTR modulators in a preclinical laboratory setting. Early observations suggest that drug responses in organoids reflect drug responses in vivo. SUMMARY We particularly focus on the importance of patient-oriented research collaborations, and how such a collaboration helped to develop a personalized medicine approach for CFTR modulators. Intestinal organoids and biobanks thereof may be used to select optimal, individually tailored treatments for current and future (combinations of) CFTR modulators with only limited patient discomfort.
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327
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Zomer-van Ommen DD, de Poel E, Kruisselbrink E, Oppelaar H, Vonk AM, Janssens HM, van der Ent CK, Hagemeijer MC, Beekman JM. Comparison of ex vivo and in vitro intestinal cystic fibrosis models to measure CFTR-dependent ion channel activity. J Cyst Fibros 2018; 17:316-324. [PMID: 29544685 DOI: 10.1016/j.jcf.2018.02.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Revised: 01/15/2018] [Accepted: 02/06/2018] [Indexed: 12/23/2022]
Abstract
BACKGROUND New functional assays using primary human intestinal adult stem cell cultures can be valuable tools to study epithelial defects in human diseases such as cystic fibrosis. METHODS CFTR-mediated ion transport was measured in rectal organoid-derived monolayers grown from subjects with various CFTR mutations and compared to donor-matched intestinal current measurements (ICM) in rectal biopsies and forskolin-induced swelling of rectal organoids. RESULTS Rectal organoid-derived monolayers were generated within four days. Ion transport measurements of CFTR function using these monolayers correlated with ICM and organoid swelling (r = 0.73 and 0.79 respectively). Culturing the monolayers under differentiation conditions enhanced the detection of mucus-secreting cells and was accompanied by reduced CFTR function. CONCLUSIONS CFTR-dependent intestinal epithelial ion transport properties can be measured in rectal organoid-derived monolayers of subjects and correlate with donor-matched ICM and rectal organoid swelling.
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Affiliation(s)
- Domenique D Zomer-van Ommen
- Department of Pediatric Pulmonology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands; Regenerative Medicine Center Utrecht, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Eyleen de Poel
- Department of Pediatric Pulmonology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands; Regenerative Medicine Center Utrecht, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Evelien Kruisselbrink
- Department of Pediatric Pulmonology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands; Regenerative Medicine Center Utrecht, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Hugo Oppelaar
- Department of Pediatric Pulmonology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands; Regenerative Medicine Center Utrecht, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Annelotte M Vonk
- Department of Pediatric Pulmonology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands; Regenerative Medicine Center Utrecht, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Hettie M Janssens
- Department of Pediatric Pulmonology, Erasmus Medical Centre, Sophia Children's Hospital, Rotterdam, The Netherlands
| | - Cornelis K van der Ent
- Department of Pediatric Pulmonology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Marne C Hagemeijer
- Department of Pediatric Pulmonology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands; Regenerative Medicine Center Utrecht, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Jeffrey M Beekman
- Department of Pediatric Pulmonology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands; Regenerative Medicine Center Utrecht, University Medical Centre Utrecht, Utrecht, The Netherlands.
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328
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Steyer B, Cory E, Saha K. Developing precision medicine using scarless genome editing of human pluripotent stem cells. DRUG DISCOVERY TODAY. TECHNOLOGIES 2018; 28:3-12. [PMID: 30205878 DOI: 10.1016/j.ddtec.2018.02.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 02/01/2018] [Accepted: 02/13/2018] [Indexed: 12/20/2022]
Abstract
Many avenues exist for human pluripotent stem cells (hPSCs) to impact medical care, but they may have their greatest impact on the development of precision medicine. Recent advances in genome editing and stem cell technology have enabled construction of clinically-relevant, genotype-specific "disease-in-a-dish" models. In this review, we outline the use of genome-edited hPSCs in precision disease modeling and drug screening as well as describe methodological advances in scarless genome editing. Scarless genome-editing approaches are attractive for genotype-specific disease modeling as only the intended DNA base-pair edits are incorporated without additional genomic modification. Emerging evidentiary standards for development and approval of precision therapies are likely to increase application of disease models derived from genome-edited hPSCs.
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Affiliation(s)
- Benjamin Steyer
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI 53715, USA
| | - Evan Cory
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI 53715, USA
| | - Krishanu Saha
- Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI 53715, USA; Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA.
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329
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Boers SN, de Winter-de Groot KM, Noordhoek J, Gulmans V, van der Ent CK, van Delden JJM, Bredenoord AL. Mini-guts in a dish: Perspectives of adult Cystic Fibrosis (CF) patients and parents of young CF patients on organoid technology. J Cyst Fibros 2018. [PMID: 29523474 DOI: 10.1016/j.jcf.2018.02.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND Organoid technology enables the cultivation of human tissues in a dish. Its precision medicine potential could revolutionize the Cystic Fibrosis (CF) field. We provide a first thematic exploration of the patient perspective on organoid technology to set the further research agenda, which is necessary for responsible development of this ethically challenging technology. METHODS 23 semi-structured qualitative interviews with 14 Dutch adult CF patients and 12 parents of young CF patients to examine their experiences, opinions, and attitudes regarding organoid technology. RESULTS Four themes emerged: (1) Respondents express a close as well as a distant relationship to organoids; (2) the open-endedness of organoid technology sparks hopes and concerns, (3) commercial use evokes cautiousness. (4) Respondents mention the importance of sound consent procedures, long-term patient engagement, responsible stewardship, and stringent conditions for commercial use. CONCLUSIONS The precision medicine potential of organoid technology can only be realized if the patient perspective is taken adequately into account.
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Affiliation(s)
- Sarah N Boers
- Julius Center for Health Sciences and Primary Care, Department of Medical Humanities, University Medical Center Utrecht, Internal post Str. 6.131, P.O. Box 85500, 3508 GA Utrecht, The Netherlands.
| | - Karin M de Winter-de Groot
- Department of Pediatric Pulmonology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Internal post KH.01.419.0, P.O. Box 85090, 3508 AB Utrecht, The Netherlands.
| | - Jacquelien Noordhoek
- Dutch Cystic Fibrosis Foundation (NCFS), Dr. A. Schweitzerweg 3A, 3744 MG Baarn, The Netherlands.
| | - Vincent Gulmans
- Dutch Cystic Fibrosis Foundation (NCFS), Dr. A. Schweitzerweg 3A, 3744 MG Baarn, The Netherlands.
| | - Cornelis K van der Ent
- Department of Pediatric Pulmonology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Internal post KH.01.419.0, P.O. Box 85090, 3508 AB Utrecht, The Netherlands.
| | - Johannes J M van Delden
- Julius Center for Health Sciences and Primary Care, Department of Medical Humanities, University Medical Center Utrecht, Internal post Str. 6.131, P.O. Box 85500, 3508 GA Utrecht, The Netherlands.
| | - Annelien L Bredenoord
- Julius Center for Health Sciences and Primary Care, Department of Medical Humanities, University Medical Center Utrecht, Internal post Str. 6.131, P.O. Box 85500, 3508 GA Utrecht, The Netherlands.
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330
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Vennin C, Murphy KJ, Morton JP, Cox TR, Pajic M, Timpson P. Reshaping the Tumor Stroma for Treatment of Pancreatic Cancer. Gastroenterology 2018; 154:820-838. [PMID: 29287624 DOI: 10.1053/j.gastro.2017.11.280] [Citation(s) in RCA: 139] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 11/14/2017] [Accepted: 11/16/2017] [Indexed: 12/16/2022]
Abstract
Pancreatic cancer is accompanied by a fibrotic reaction that alters interactions between tumor cells and the stroma to promote tumor progression. Consequently, strategies to target the tumor stroma might be used to treat patients with pancreatic cancer. We review recently developed approaches for reshaping the pancreatic tumor stroma and discuss how these might improve patient outcomes. We also describe relationships between the pancreatic tumor extracellular matrix, the vasculature, the immune system, and metabolism, and discuss the implications for the development of stromal compartment-specific therapies.
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Affiliation(s)
- Claire Vennin
- The Garvan Institute of Medical Research, Sydney, New South Wales, Australia; The Kinghorn Cancer Center, Sydney, New South Wales, Australia; St Vincent's Clinical School, Faculty of Medicine, University of New South Wales, Sydney, New South Wales, Australia
| | - Kendelle J Murphy
- The Garvan Institute of Medical Research, Sydney, New South Wales, Australia; The Kinghorn Cancer Center, Sydney, New South Wales, Australia; St Vincent's Clinical School, Faculty of Medicine, University of New South Wales, Sydney, New South Wales, Australia
| | - Jennifer P Morton
- Cancer Research UK, The Beatson Institute for Cancer Research, Glasgow, Scotland, United Kingdom
| | - Thomas R Cox
- The Garvan Institute of Medical Research, Sydney, New South Wales, Australia; The Kinghorn Cancer Center, Sydney, New South Wales, Australia; St Vincent's Clinical School, Faculty of Medicine, University of New South Wales, Sydney, New South Wales, Australia
| | - Marina Pajic
- The Garvan Institute of Medical Research, Sydney, New South Wales, Australia; The Kinghorn Cancer Center, Sydney, New South Wales, Australia; St Vincent's Clinical School, Faculty of Medicine, University of New South Wales, Sydney, New South Wales, Australia.
| | - Paul Timpson
- The Garvan Institute of Medical Research, Sydney, New South Wales, Australia; The Kinghorn Cancer Center, Sydney, New South Wales, Australia; St Vincent's Clinical School, Faculty of Medicine, University of New South Wales, Sydney, New South Wales, Australia.
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331
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Vlachogiannis G, Hedayat S, Vatsiou A, Jamin Y, Fernández-Mateos J, Khan K, Lampis A, Eason K, Huntingford I, Burke R, Rata M, Koh DM, Tunariu N, Collins D, Hulkki-Wilson S, Ragulan C, Spiteri I, Moorcraft SY, Chau I, Rao S, Watkins D, Fotiadis N, Bali M, Darvish-Damavandi M, Lote H, Eltahir Z, Smyth EC, Begum R, Clarke PA, Hahne JC, Dowsett M, de Bono J, Workman P, Sadanandam A, Fassan M, Sansom OJ, Eccles S, Starling N, Braconi C, Sottoriva A, Robinson SP, Cunningham D, Valeri N. Patient-derived organoids model treatment response of metastatic gastrointestinal cancers. Science 2018; 359:920-926. [PMID: 29472484 PMCID: PMC6112415 DOI: 10.1126/science.aao2774] [Citation(s) in RCA: 1124] [Impact Index Per Article: 187.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Revised: 10/26/2017] [Accepted: 01/11/2018] [Indexed: 12/20/2022]
Abstract
Patient-derived organoids (PDOs) have recently emerged as robust preclinical models; however, their potential to predict clinical outcomes in patients has remained unclear. We report on a living biobank of PDOs from metastatic, heavily pretreated colorectal and gastroesophageal cancer patients recruited in phase 1/2 clinical trials. Phenotypic and genotypic profiling of PDOs showed a high degree of similarity to the original patient tumors. Molecular profiling of tumor organoids was matched to drug-screening results, suggesting that PDOs could complement existing approaches in defining cancer vulnerabilities and improving treatment responses. We compared responses to anticancer agents ex vivo in organoids and PDO-based orthotopic mouse tumor xenograft models with the responses of the patients in clinical trials. Our data suggest that PDOs can recapitulate patient responses in the clinic and could be implemented in personalized medicine programs.
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Affiliation(s)
| | - Somaieh Hedayat
- Division of Molecular Pathology, The Institute of Cancer Research, London, UK
| | - Alexandra Vatsiou
- Centre for Evolution and Cancer, The Institute of Cancer Research, London, UK
| | - Yann Jamin
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and Royal Marsden Hospital, London, UK
| | - Javier Fernández-Mateos
- Division of Molecular Pathology, The Institute of Cancer Research, London, UK
- Centre for Evolution and Cancer, The Institute of Cancer Research, London, UK
| | - Khurum Khan
- Division of Molecular Pathology, The Institute of Cancer Research, London, UK
- Department of Medicine, The Royal Marsden NHS Trust, London, UK
| | - Andrea Lampis
- Division of Molecular Pathology, The Institute of Cancer Research, London, UK
| | - Katherine Eason
- Division of Molecular Pathology, The Institute of Cancer Research, London, UK
| | - Ian Huntingford
- Division of Molecular Pathology, The Institute of Cancer Research, London, UK
| | - Rosemary Burke
- Cancer Research UK Cancer Therapeutics Unit, The Institute of Cancer Research, London, UK
| | - Mihaela Rata
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and Royal Marsden Hospital, London, UK
| | - Dow-Mu Koh
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and Royal Marsden Hospital, London, UK
- Department of Radiology, The Royal Marsden NHS Trust, London, UK
| | - Nina Tunariu
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and Royal Marsden Hospital, London, UK
- Department of Radiology, The Royal Marsden NHS Trust, London, UK
| | - David Collins
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and Royal Marsden Hospital, London, UK
| | - Sanna Hulkki-Wilson
- Division of Molecular Pathology, The Institute of Cancer Research, London, UK
| | - Chanthirika Ragulan
- Division of Molecular Pathology, The Institute of Cancer Research, London, UK
| | - Inmaculada Spiteri
- Centre for Evolution and Cancer, The Institute of Cancer Research, London, UK
| | | | - Ian Chau
- Department of Medicine, The Royal Marsden NHS Trust, London, UK
| | - Sheela Rao
- Department of Medicine, The Royal Marsden NHS Trust, London, UK
| | - David Watkins
- Department of Medicine, The Royal Marsden NHS Trust, London, UK
| | - Nicos Fotiadis
- Department of Radiology, The Royal Marsden NHS Trust, London, UK
| | - Maria Bali
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and Royal Marsden Hospital, London, UK
- Department of Radiology, The Royal Marsden NHS Trust, London, UK
| | | | - Hazel Lote
- Division of Molecular Pathology, The Institute of Cancer Research, London, UK
- Department of Medicine, The Royal Marsden NHS Trust, London, UK
| | - Zakaria Eltahir
- Division of Molecular Pathology, The Institute of Cancer Research, London, UK
| | | | - Ruwaida Begum
- Department of Medicine, The Royal Marsden NHS Trust, London, UK
| | - Paul A Clarke
- Cancer Research UK Cancer Therapeutics Unit, The Institute of Cancer Research, London, UK
| | - Jens C Hahne
- Division of Molecular Pathology, The Institute of Cancer Research, London, UK
| | - Mitchell Dowsett
- Ralph Lauren Centre for Breast Cancer Research, Royal Marsden Hospital NHS Trust, London, UK
| | - Johann de Bono
- Division of Clinical Studies, The Institute of Cancer Research, London, UK
| | - Paul Workman
- Cancer Research UK Cancer Therapeutics Unit, The Institute of Cancer Research, London, UK
| | - Anguraj Sadanandam
- Division of Molecular Pathology, The Institute of Cancer Research, London, UK
| | - Matteo Fassan
- Department of Medicine, Surgical Pathology and Cytopathology Unit, University of Padua, Padua, Italy
| | | | - Suzanne Eccles
- Cancer Research UK Cancer Therapeutics Unit, The Institute of Cancer Research, London, UK
| | | | - Chiara Braconi
- Department of Medicine, The Royal Marsden NHS Trust, London, UK
- Cancer Research UK Cancer Therapeutics Unit, The Institute of Cancer Research, London, UK
| | - Andrea Sottoriva
- Centre for Evolution and Cancer, The Institute of Cancer Research, London, UK
| | - Simon P Robinson
- Cancer Research UK Cancer Imaging Centre, Division of Radiotherapy and Imaging, The Institute of Cancer Research and Royal Marsden Hospital, London, UK
| | | | - Nicola Valeri
- Division of Molecular Pathology, The Institute of Cancer Research, London, UK.
- Department of Medicine, The Royal Marsden NHS Trust, London, UK
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332
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Schneeberger K, Roth S, Nieuwenhuis EES, Middendorp S. Intestinal epithelial cell polarity defects in disease: lessons from microvillus inclusion disease. Dis Model Mech 2018; 11:11/2/dmm031088. [PMID: 29590640 PMCID: PMC5894939 DOI: 10.1242/dmm.031088] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The intestinal epithelium is a highly organized tissue. The establishment of epithelial cell polarity, with distinct apical and basolateral plasma membrane domains, is pivotal for both barrier formation and for the uptake and vectorial transport of nutrients. The establishment of cell polarity requires a specialized subcellular machinery to transport and recycle proteins to their appropriate location. In order to understand and treat polarity-associated diseases, it is necessary to understand epithelial cell-specific trafficking mechanisms. In this Review, we focus on cell polarity in the adult mammalian intestine. We discuss how intestinal epithelial polarity is established and maintained, and how disturbances in the trafficking machinery can lead to a polarity-associated disorder, microvillus inclusion disease (MVID). Furthermore, we discuss the recent developments in studying MVID, including the creation of genetically manipulated cell lines, mouse models and intestinal organoids, and their uses in basic and applied research. Summary: Microvillus inclusion disease serves as a useful model to enhance our understanding of the intestinal trafficking and polarity machinery in health and disease.
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Affiliation(s)
- Kerstin Schneeberger
- Division of Paediatrics, Department of Paediatric Gastroenterology, Wilhelmina Children's Hospital, 3584 CT, Utrecht, The Netherlands
| | - Sabrina Roth
- Division of Paediatrics, Department of Paediatric Gastroenterology, Wilhelmina Children's Hospital, 3584 CT, Utrecht, The Netherlands
| | - Edward E S Nieuwenhuis
- Division of Paediatrics, Department of Paediatric Gastroenterology, Wilhelmina Children's Hospital, 3584 CT, Utrecht, The Netherlands
| | - Sabine Middendorp
- Division of Paediatrics, Department of Paediatric Gastroenterology, Wilhelmina Children's Hospital, 3584 CT, Utrecht, The Netherlands .,Regenerative Medicine Center Utrecht, University Medical Centre (UMC) Utrecht, 3584 CT, Utrecht, The Netherlands
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333
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Aboulkheyr Es H, Montazeri L, Aref AR, Vosough M, Baharvand H. Personalized Cancer Medicine: An Organoid Approach. Trends Biotechnol 2018; 36:358-371. [PMID: 29366522 DOI: 10.1016/j.tibtech.2017.12.005] [Citation(s) in RCA: 152] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2017] [Revised: 12/15/2017] [Accepted: 12/15/2017] [Indexed: 01/10/2023]
Abstract
Personalized cancer therapy applies specific treatments to each patient. Using personalized tumor models with similar characteristics to the original tumors may result in more accurate predictions of drug responses in patients. Tumor organoid models have several advantages over pre-existing models, including conserving the molecular and cellular composition of the original tumor. These advantages highlight the tremendous potential of tumor organoids in personalized cancer therapy, particularly preclinical drug screening and predicting patient responses to selected treatment regimens. Here, we highlight the advantages, challenges, and translational potential of tumor organoids in personalized cancer therapy and focus on gene-drug associations, drug response prediction, and treatment selection. Finally, we discuss how microfluidic technology can contribute to immunotherapy drug screening in tumor organoids.
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Affiliation(s)
- Hamidreza Aboulkheyr Es
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Leila Montazeri
- Department of Cell Engineering, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Amir Reza Aref
- Belfer Center for Applied Cancer Science, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA; Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA; Department of Medical Oncology, Dana Farber Cancer Institute, Boston, MA, USA
| | - Massoud Vosough
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Hossein Baharvand
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran; Department of Developmental Biology, University of Science and Culture, Tehran, Iran.
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334
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335
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Perez-Lanzon M, Kroemer G, Maiuri MC. Organoids for Modeling Genetic Diseases. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2018; 337:49-81. [DOI: 10.1016/bs.ircmb.2017.12.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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336
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Bhattacharya P. Can an Organoid Recapitulate the Metabolome of its Parent Tissue? A Pilot NMR Spectroscopy Study. ACTA ACUST UNITED AC 2017. [DOI: 10.15406/jcpcr.2017.08.00307] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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337
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Translational research to enable personalized treatment of cystic fibrosis. J Cyst Fibros 2017; 17:S46-S51. [PMID: 29275953 DOI: 10.1016/j.jcf.2017.10.017] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 10/26/2017] [Accepted: 10/27/2017] [Indexed: 12/16/2022]
Abstract
Translational research efforts in cystic fibrosis (CF) aim to develop therapies for all subjects with CF. To reach this goal new therapies need to be developed that target multiple aspects of the disease. To enable individuals to benefit maximally from these treatments will require improved methods to tailor these therapies specifically to individuals who suffer from CF. This report highlights current examples of translational CF research efforts to reach this goal. The use of intestinal organoids and genetics to better understand individual assessment of CFTR modulator treatment effects to ultimately enable a better personalized treatment for CF subjects will be discussed. In addition, development of viral vectors and non-viral synthetic nanoparticles for delivery of mRNA, sgRNA and DNA will be highlighted. New approaches to restore function of CFTR with early premature termination codons using nanoparticle delivery of suppressor tRNAs and new insights into mechanisms of airway epithelial repair will be reviewed as well. The state-of-the-art approaches that are discussed in this review demonstrate significant progress towards the development of optimal individual therapies for CF patients, but also reveal that remaining challenges still lie ahead.
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338
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Hu JL, Todhunter ME, LaBarge MA, Gartner ZJ. Opportunities for organoids as new models of aging. J Cell Biol 2017; 217:39-50. [PMID: 29263081 PMCID: PMC5748992 DOI: 10.1083/jcb.201709054] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Revised: 11/13/2017] [Accepted: 11/27/2017] [Indexed: 01/02/2023] Open
Abstract
The biology of aging is challenging to study, particularly in humans. As a result, model organisms are used to approximate the physiological context of aging in humans. However, the best model organisms remain expensive and time-consuming to use. More importantly, they may not reflect directly on the process of aging in people. Human cell culture provides an alternative, but many functional signs of aging occur at the level of tissues rather than cells and are therefore not readily apparent in traditional cell culture models. Organoids have the potential to effectively balance between the strengths and weaknesses of traditional models of aging. They have sufficient complexity to capture relevant signs of aging at the molecular, cellular, and tissue levels, while presenting an experimentally tractable alternative to animal studies. Organoid systems have been developed to model many human tissues and diseases. Here we provide a perspective on the potential for organoids to serve as models for aging and describe how current organoid techniques could be applied to aging research.
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Affiliation(s)
- Jennifer L Hu
- University of California Berkeley-University of California San Francisco Graduate Program in Bioengineering, San Francisco, CA
| | - Michael E Todhunter
- Center for Cancer and Aging, Beckman Research Institute at City of Hope, Duarte, CA
| | - Mark A LaBarge
- Center for Cancer and Aging, Beckman Research Institute at City of Hope, Duarte, CA
| | - Zev J Gartner
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, CA .,National Science Foundation Center for Cellular Construction, University of California San Francisco, San Francisco, CA.,Chan Zuckerberg Biohub, San Francisco, CA
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339
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Moreira L, Bakir B, Chatterji P, Dantes Z, Reichert M, Rustgi AK. Pancreas 3D Organoids: Current and Future Aspects as a Research Platform for Personalized Medicine in Pancreatic Cancer. Cell Mol Gastroenterol Hepatol 2017; 5. [PMID: 29541683 PMCID: PMC5849862 DOI: 10.1016/j.jcmgh.2017.12.004] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Pancreatic ductal adenocarcinoma is one of the most aggressive forms of cancer, and the third leading cause of cancer-related mortality in the United States. Although important advances have been made in the last decade, the mortality rate of pancreatic ductal adenocarcinoma has not changed appreciably. This review summarizes a rapidly emerging model of pancreatic cancer research, focusing on 3-dimensional organoids as a powerful tool for several applications, but above all, representing a step toward personalized medicine.
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Affiliation(s)
- Leticia Moreira
- Division of Gastroenterology, Departments of Medicine and Genetics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania,Department of Gastroenterology, Hospital Clínic, Centro de Investigación Biomédica en Red en Enfermedades Hepáticas y Digestivas, IDIBAPS, University of Barcelona, Catalonia, Spain
| | - Basil Bakir
- Division of Gastroenterology, Departments of Medicine and Genetics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Priya Chatterji
- Division of Gastroenterology, Departments of Medicine and Genetics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Zahra Dantes
- II. Medizinische Klinik und Poliklinik, Klinikum Rechts der Isar, Technische Universität München, Munich, Germany
| | - Maximilian Reichert
- II. Medizinische Klinik und Poliklinik, Klinikum Rechts der Isar, Technische Universität München, Munich, Germany
| | - Anil K. Rustgi
- Division of Gastroenterology, Departments of Medicine and Genetics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania,Correspondence Address correspondence to: Anil K. Rustgi, MD, 951 Biomedical Research Building II/III, University of Pennsylvania, 415 Curie Boulevard, Philadelphia, Pennsylvania 19104. fax: (215) 573–5412.951 Biomedical Research Building II/IIIUniversity of Pennsylvania415 Curie BoulevardPhiladelphiaPennsylvania 19104
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340
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Jih KY, Lin WY, Sohma Y, Hwang TC. CFTR potentiators: from bench to bedside. Curr Opin Pharmacol 2017; 34:98-104. [PMID: 29073476 DOI: 10.1016/j.coph.2017.09.015] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2017] [Revised: 09/15/2017] [Accepted: 09/26/2017] [Indexed: 01/14/2023]
Abstract
One major breakthrough in cystic fibrosis research in the past decade is the development of drugs that target the root cause of the disease-dysfunctional CFTR protein. One of the compounds, Ivacaftor or Kalydeco, which has been approved for clinical use since 2012, acts by promoting the gating function of CFTR. Our recent studies have led to a gating model that features energetic coupling between nucleotide-binding domain (NBD) dimerization and gate opening/closing in CFTR's transmembrane domains (TMDs). Based on this model, we showed that ATP analogs can enhance CFTR gating by facilitating NBD dimerization, whereas Ivacaftor works by stabilizing the open channel conformation of the TMDs. This latter idea also explains the near omnipotence of Ivacaftor. Furthermore, this model identifies multiple approaches to synergistically boost the open probability of CFTR by influencing distinct molecular events that control gating conformational changes.
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Affiliation(s)
- Kang-Yang Jih
- Department of Neurology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Wen-Ying Lin
- School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Yoshiro Sohma
- Department of Pharmacology, Keio University, Tokyo, Japan; Department of Medical Pharmacology and Physiology, Dalton Cardiovascular Research Center, University of Missouri, Columbia, MO, USA
| | - Tzyh-Chang Hwang
- Department of Medical Pharmacology and Physiology, Dalton Cardiovascular Research Center, University of Missouri, Columbia, MO, USA.
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341
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Effects of new and emerging therapies on gastrointestinal outcomes in cystic fibrosis. Curr Opin Pulm Med 2017; 23:551-555. [DOI: 10.1097/mcp.0000000000000423] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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342
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Cruz-Acuña R, Quirós M, Farkas AE, Dedhia PH, Huang S, Siuda D, García-Hernández V, Miller AJ, Spence JR, Nusrat A, García AJ. Synthetic hydrogels for human intestinal organoid generation and colonic wound repair. Nat Cell Biol 2017; 19:1326-1335. [PMID: 29058719 PMCID: PMC5664213 DOI: 10.1038/ncb3632] [Citation(s) in RCA: 347] [Impact Index Per Article: 49.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Accepted: 09/19/2017] [Indexed: 12/12/2022]
Abstract
In vitro differentiation of human intestinal organoids (HIOs) from pluripotent stem cells is an unparalleled system for creating complex, multicellular three-dimensional structures capable of giving rise to tissue analogous to native human tissue. Current methods for generating HIOs rely on growth in an undefined tumour-derived extracellular matrix (ECM), which severely limits the use of organoid technologies for regenerative and translational medicine. Here, we developed a fully defined, synthetic hydrogel based on a four-armed, maleimide-terminated poly(ethylene glycol) macromer that supports robust and highly reproducible in vitro growth and expansion of HIOs, such that three-dimensional structures are never embedded in tumour-derived ECM. We also demonstrate that the hydrogel serves as an injection vehicle that can be delivered into injured intestinal mucosa resulting in HIO engraftment and improved colonic wound repair. Together, these studies show proof-of-concept that HIOs may be used therapeutically to treat intestinal injury.
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Affiliation(s)
- Ricardo Cruz-Acuña
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
- Parker H. Petit Institute for Bioengineering and Biosciences, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
| | - Miguel Quirós
- Department of Pathology, University of Michigan, Ann Arbor, Michigan 48104, USA
| | - Attila E Farkas
- Institute of Biophysics, Biological Research Centre, Hungarian Academy of Sciences, Szeged 6726, Hungary
| | - Priya H Dedhia
- Department of Internal Medicine, Division of Gastroenterology, University of Michigan Medical School, Ann Arbor, Michigan 48104, USA
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, Michigan 48104, USA
- Center for Organogenesis, University of Michigan Medical School, Ann Arbor, Michigan 48104, USA
| | - Sha Huang
- Department of Internal Medicine, Division of Gastroenterology, University of Michigan Medical School, Ann Arbor, Michigan 48104, USA
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, Michigan 48104, USA
- Center for Organogenesis, University of Michigan Medical School, Ann Arbor, Michigan 48104, USA
| | - Dorothée Siuda
- Department of Pathology, University of Michigan, Ann Arbor, Michigan 48104, USA
| | | | - Alyssa J Miller
- Department of Internal Medicine, Division of Gastroenterology, University of Michigan Medical School, Ann Arbor, Michigan 48104, USA
| | - Jason R Spence
- Department of Internal Medicine, Division of Gastroenterology, University of Michigan Medical School, Ann Arbor, Michigan 48104, USA
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, Michigan 48104, USA
- Center for Organogenesis, University of Michigan Medical School, Ann Arbor, Michigan 48104, USA
| | - Asma Nusrat
- Department of Pathology, University of Michigan, Ann Arbor, Michigan 48104, USA
| | - Andrés J García
- Parker H. Petit Institute for Bioengineering and Biosciences, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
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343
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Tong Z, Martyn K, Yang A, Yin X, Mead BE, Joshi N, Sherman NE, Langer RS, Karp JM. Towards a defined ECM and small molecule based monolayer culture system for the expansion of mouse and human intestinal stem cells. Biomaterials 2017; 154:60-73. [PMID: 29120819 DOI: 10.1016/j.biomaterials.2017.10.038] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2017] [Revised: 10/21/2017] [Accepted: 10/22/2017] [Indexed: 01/04/2023]
Abstract
Current ISC culture systems face significant challenges such as animal-derived or undefined matrix compositions, batch-to-batch variability (e.g. Matrigel-based organoid culture), and complexity of assaying cell aggregates such as organoids which renders the research and clinical translation of ISCs challenging. Here, through screening for suitable ECM components, we report a defined, collagen based monolayer culture system that supports the growth of mouse and human intestinal epithelial cells (IECs) enriched for an Lgr5+ population comparable or higher to the levels found in a standard Matrigel-based organoid culture. The system, referred to as the Bolstering Lgr5 Transformational (BLT) Sandwich culture, comprises a collagen IV-coated porous substrate and a collagen I gel overlay which sandwich an IEC monolayer in between. The distinct collagen cues synergistically regulate IEC attachment, proliferation, and Lgr5 expression through maximizing the engagement of distinct cell surface adhesion receptors (i.e. integrin α2β1, integrin β4) and cell polarity. Further, we apply our BLT Sandwich system to identify that the addition of a bone morphogenetic protein (BMP) receptor inhibitor (LDN-193189) improves the expansion of Lgr5-GFP+ cells from mouse small intestinal crypts by nearly 2.5-fold. Notably, the BLT Sandwich culture is capable of expanding human-derived IECs with higher LGR5 mRNA levels than conventional Matrigel culture, providing superior expansion of human LGR5+ ISCs. Considering the key roles Lgr5+ ISCs play in intestinal epithelial homeostasis and regeneration, we envision that our BLT Sandwich culture system holds great potential for understanding and manipulating ISC biology in vitro (e.g. for modeling ISC-mediated gut diseases) or for expanding a large number of ISCs for clinical utility (e.g. for stem cell therapy).
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Affiliation(s)
- Zhixiang Tong
- Division of BioEngineering in Medicine, Department of Medicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital, United States; Harvard Medical School, United States; Harvard Stem Cell Institute, United States; Harvard - Massachusetts Institute of Technology (MIT) Division of Health Sciences and Technology, United States
| | - Keir Martyn
- Division of BioEngineering in Medicine, Department of Medicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital, United States; Harvard Medical School, United States; Harvard Stem Cell Institute, United States; Harvard - Massachusetts Institute of Technology (MIT) Division of Health Sciences and Technology, United States
| | - Andy Yang
- Division of BioEngineering in Medicine, Department of Medicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital, United States; Harvard Medical School, United States; Harvard Stem Cell Institute, United States; Harvard - Massachusetts Institute of Technology (MIT) Division of Health Sciences and Technology, United States
| | - Xiaolei Yin
- Division of BioEngineering in Medicine, Department of Medicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital, United States; Harvard Medical School, United States; Harvard Stem Cell Institute, United States; Harvard - Massachusetts Institute of Technology (MIT) Division of Health Sciences and Technology, United States; David H. Koch Institute for Integrative Cancer Research at MIT, United States
| | - Benjamin E Mead
- Division of BioEngineering in Medicine, Department of Medicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital, United States; Harvard Medical School, United States; Harvard Stem Cell Institute, United States; Harvard - Massachusetts Institute of Technology (MIT) Division of Health Sciences and Technology, United States; Broad Institute of Harvard and MIT, United States; David H. Koch Institute for Integrative Cancer Research at MIT, United States
| | - Nitin Joshi
- Division of BioEngineering in Medicine, Department of Medicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital, United States; Harvard Medical School, United States; Harvard Stem Cell Institute, United States; Harvard - Massachusetts Institute of Technology (MIT) Division of Health Sciences and Technology, United States
| | - Nicholas E Sherman
- Division of BioEngineering in Medicine, Department of Medicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital, United States; Harvard Medical School, United States; Harvard Stem Cell Institute, United States; Harvard - Massachusetts Institute of Technology (MIT) Division of Health Sciences and Technology, United States
| | - Robert S Langer
- Harvard - Massachusetts Institute of Technology (MIT) Division of Health Sciences and Technology, United States; Department of Chemical Engineering at MIT, United States; David H. Koch Institute for Integrative Cancer Research at MIT, United States
| | - Jeffrey M Karp
- Division of BioEngineering in Medicine, Department of Medicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital, United States; Harvard Medical School, United States; Harvard Stem Cell Institute, United States; Harvard - Massachusetts Institute of Technology (MIT) Division of Health Sciences and Technology, United States.
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344
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Zak SM, Clancy JP, Brewington JJ. CFTR functional assays in drug development. Expert Opin Orphan Drugs 2017. [DOI: 10.1080/21678707.2017.1393413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Sara M. Zak
- Department of Pediatrics, Division of Pulmonary Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, USA
| | - John P. Clancy
- Department of Pediatrics, Division of Pulmonary Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, USA
| | - John J. Brewington
- Department of Pediatrics, Division of Pulmonary Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, USA
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345
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Sgodda M, Dai Z, Zweigerdt R, Sharma AD, Ott M, Cantz T. A Scalable Approach for the Generation of Human Pluripotent Stem Cell-Derived Hepatic Organoids with Sensitive Hepatotoxicity Features. Stem Cells Dev 2017; 26:1490-1504. [DOI: 10.1089/scd.2017.0023] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Affiliation(s)
- Malte Sgodda
- Research Group Translational Hepatology and Stem Cell Biology, Cluster of Excellence REBIRTH, Hannover Medical School, Hannover, Germany
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany
| | - Zhen Dai
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany
- Junior Research Group MicroRNA in Liver Regeneration, Cluster of Excellence REBIRTH, Hannover Medical School, Hannover, Germany
| | - Robert Zweigerdt
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department for Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, Hannover, Germany
| | - Amar Deep Sharma
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany
- Junior Research Group MicroRNA in Liver Regeneration, Cluster of Excellence REBIRTH, Hannover Medical School, Hannover, Germany
| | - Michael Ott
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany
- Twincore Centre for Experimental and Clinical Infection Research, Hannover, Germany
| | - Tobias Cantz
- Research Group Translational Hepatology and Stem Cell Biology, Cluster of Excellence REBIRTH, Hannover Medical School, Hannover, Germany
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany
- Max Planck Institute for Molecular Biomedicine, Cell and Developmental Biology, Münster, Germany
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346
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Oliver KE, Han ST, Sorscher EJ, Cutting GR. Transformative therapies for rare CFTR missense alleles. Curr Opin Pharmacol 2017; 34:76-82. [PMID: 29032041 DOI: 10.1016/j.coph.2017.09.018] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2017] [Revised: 09/22/2017] [Accepted: 09/26/2017] [Indexed: 01/09/2023]
Abstract
With over 1900 variants reported in the cystic fibrosis transmembrane conductance regulator (CFTR), enhanced understanding of cystic fibrosis (CF) genotype-phenotype correlation represents an important and expanding area of research. The potentiator Ivacaftor has proven an effective treatment for a subset of individuals carrying missense variants, particularly those that impact CFTR gating. Therapeutic efforts have recently focused on correcting the basic defect resulting from the common F508del variant, as well as many less frequent missense alleles. Modest enhancement of F508del-CFTR function has been achieved by combining Ivacaftor with Lumacaftor, a compound that aids maturational processing of misfolded CFTR. Continued development of in silico and in vitro models will facilitate CFTR variant characterization and drug testing, thereby elucidating heterogeneity in the molecular pathogenesis, phenotype, and modulator responsiveness of CF.
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Affiliation(s)
- Kathryn E Oliver
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA 30322, USA; Children's Healthcare of Atlanta, Atlanta, GA 30322, USA
| | - Sangwoo T Han
- McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Eric J Sorscher
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA 30322, USA; Children's Healthcare of Atlanta, Atlanta, GA 30322, USA
| | - Garry R Cutting
- McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
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347
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Recent progress in translational cystic fibrosis research using precision medicine strategies. J Cyst Fibros 2017; 17:S52-S60. [PMID: 28986017 DOI: 10.1016/j.jcf.2017.09.005] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2017] [Revised: 09/21/2017] [Accepted: 09/21/2017] [Indexed: 01/17/2023]
Abstract
Significant progress has been achieved in developing precision therapies for cystic fibrosis; however, highly effective treatments that target the ion channel, CFTR, are not yet available for many patients. As numerous CFTR therapeutics are currently in the clinical pipeline, reliable screening tools capable of predicting drug efficacy to support individualized treatment plans and translational research are essential. The utilization of bronchial, nasal, and rectal tissues from individual cystic fibrosis patients for drug testing using in vitro assays such as electrophysiological measurements of CFTR activity and evaluation of fluid movement in spheroid cultures, has advanced the prediction of patient-specific responses. However, for precise prediction of drug effects, in vitro models of CFTR rescue should incorporate the inflamed cystic fibrosis airway environment and mimic the complex tissue structures of airway epithelia. Furthermore, novel assays that monitor other aspects of successful CFTR rescue such as restoration of mucus characteristics, which is important for predicting mucociliary clearance, will allow for better prognoses of successful therapies in vivo. Additional cystic fibrosis treatment strategies are being intensively explored, such as development of drugs that target other ion channels, and novel technologies including pluripotent stem cells, gene therapy, and gene editing. The multiple therapeutic approaches available to treat the basic defect in cystic fibrosis combined with relevant precision medicine models provide a framework for identifying optimal and sustained treatments that will benefit all cystic fibrosis patients.
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348
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Organoids as preclinical models to improve intraperitoneal chemotherapy effectiveness for colorectal cancer patients with peritoneal metastases: Preclinical models to improve HIPEC. Int J Pharm 2017; 531:143-152. [DOI: 10.1016/j.ijpharm.2017.07.084] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Accepted: 07/31/2017] [Indexed: 02/06/2023]
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349
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Muthuswamy SK. Bringing together the organoid field: from early beginnings to the road ahead. Development 2017; 144:963-967. [PMID: 28292842 DOI: 10.1242/dev.144444] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
From October 12-15th, 2016, EMBO∣EMBL held a symposium to bring together those in the scientific community with a shared interest in using three-dimensional (3D) culture methods to study biology, model disease and personalize treatments. The symposium, entitled 'Organoids: modelling organ development and disease in 3D culture', which was organized by Juergen Knoblich, Mina Bissell and Esther Schnapp, was particularly timely as there were otherwise few opportunities for those interested in using 3D culture platforms to interact outside of their organ-specific scientific community. The meeting was a fantastic success, creating a lot of discussion and cross-fertilization of ideas from developmental biologists to bioengineers and biophysicists. This Meeting Review provides a summary of the talks presented and the major themes that emerged from the symposium.
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Affiliation(s)
- Senthil K Muthuswamy
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA
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350
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Huch M, Knoblich JA, Lutolf MP, Martinez-Arias A. The hope and the hype of organoid research. Development 2017; 144:938-941. [PMID: 28292837 DOI: 10.1242/dev.150201] [Citation(s) in RCA: 238] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The recent increase in organoid research has been met with great enthusiasm, as well as expectation, from the scientific community and the public alike. There is no doubt that this technology opens up a world of possibilities for scientific discovery in developmental biology as well as in translational research, but whether organoids can truly live up to this challenge is, for some, still an open question. In this Spotlight article, Meritxell Huch and Juergen Knoblich begin by discussing the exciting promise of organoid technology and give concrete examples of how this promise is starting to be realised. In the second part, Matthias Lutolf and Alfonso Martinez-Arias offer a careful and considered view of the state of the organoid field and its current limitations, and lay out the approach they feel is necessary to maximise the potential of organoid technology.
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Affiliation(s)
- Meritxell Huch
- Wellcome Trust/Cancer Research UK Gurdon Institute, Henry Wellcome Building of Cancer and Developmental Biology, University of Cambridge, Tennis Court Road, Cambridge CB2 1QN, UK .,Wellcome Trust-Medical Research Council Stem Cell Institute, University of Cambridge, Gleeson Building, Tennis Court Road, Cambridge CB2 1QR, UK.,Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, CB2 3DY, UK
| | - Juergen A Knoblich
- IMBA-Institute of Molecular Biotechnology of the Austrian Academy of Sciences, Vienna 1030, Austria
| | - Matthias P Lutolf
- Institute of Bioengineering, School of Life Sciences and School of Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH-1015, Switzerland .,Institute of Chemical Sciences and Engineering, School of Basic Sciences, EPFL, Lausanne CH-1015, Switzerland
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