1
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Shulgin A, Spirin P, Lebedev T, Kravchenko A, Glasunov V, Yermak I, Prassolov V. Comparative study of HIV-1 inhibition efficiency by carrageenans from red seaweeds family gigartinaceae, Tichocarpaceae and Phyllophoraceae. Heliyon 2024; 10:e33407. [PMID: 39050420 PMCID: PMC11267007 DOI: 10.1016/j.heliyon.2024.e33407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 06/14/2024] [Accepted: 06/20/2024] [Indexed: 07/27/2024] Open
Abstract
The efficiency of human immunodeficiency virus-1 (HIV-1) inhibition by sulfated polysaccharides isolated from the various families of red algae of the Far East Pacific coast were studied. The anti-HIV-1 activity of kappa and lambda-carrageenans from Chondrus armatus, original highly sulfated X-carrageenan with low content of 3,6-anhydrogalactose from Tichocarpus crinitus and i/κ-carrageenan with hybrid structure isolated from Ahnfeltiopsis flabelliformis was found. The antiviral action of these polysaccharides and its low-weight oligosaccharide was compared with commercial κ-carrageenan. Here we used the HIV-1-based lentiviral particles and evaluated that these carrageenans in non-toxic concentrations significantly suppress the transduction potential of lentiviral particles pseudotyped with different envelope proteins, targeting cells of neuronal or T-cell origin. The antiviral action of these carrageenans was confirmed using the chimeric replication competent Mo-MuLV (Moloney murine leukemia retrovirus) encoding marker eGFP protein. We found that X-carrageenans from T. crinitus and its low weight derivative and λ-carrageenan from C. armatus effectively suppress the infection caused by retrovirus. The obtained data suggest that the differences in the suppressive effect of carrageenans on the transduction efficiency of HIV-1 based lentiviral particles may be related to the structural features of the studied polysaccharides.
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Affiliation(s)
- Andrey Shulgin
- Department of Cancer Cell Biology, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991, Moscow, Russia
| | - Pavel Spirin
- Department of Cancer Cell Biology, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991, Moscow, Russia
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991, Moscow, Russia
| | - Timofey Lebedev
- Department of Cancer Cell Biology, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991, Moscow, Russia
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991, Moscow, Russia
| | - Anna Kravchenko
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch of the Russian Academy of Sciences, 690022, Vladivostok, Russia
| | - Valery Glasunov
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch of the Russian Academy of Sciences, 690022, Vladivostok, Russia
| | - Irina Yermak
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch of the Russian Academy of Sciences, 690022, Vladivostok, Russia
| | - Vladimir Prassolov
- Department of Cancer Cell Biology, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991, Moscow, Russia
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991, Moscow, Russia
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2
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Mao D, Tang X, Zhang R, Chen T, Liu C, Gou H, Sun P, Mao Y, Deng J, Li W, Sun F, Zhu X. DNA-Programmed Four-Bit Quaternary Fluorescence Encoding (FLUCO) Enables 51-Colored Bioimaging Analysis. J Am Chem Soc 2024. [PMID: 38859621 DOI: 10.1021/jacs.4c00811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2024]
Abstract
Color encoding plays a crucial role in painting, digital photography, and spectral analysis. Achieving accurate, target-responsive color encoding at the molecular level has the potential to revolutionize scientific research and technological innovation, but significant challenges persist. Here, we propose a multibit DNA self-assembly system based on computer-aided design (CAD) technology, enabling accurate, target-responsive, amplified color encoding at the molecular level, termed fluorescence encoding (FLUCO). As a model, we establish a quaternary FLUCO system using four-bit DNA self-assembly, which can accurately encode 51 colors, presenting immense potential in applications such as spatial proteomic imaging and multitarget analysis. Notably, FLUCO enables the simultaneous imaging of multiple targets exceeding the limitations of channels using conventional imaging equipment, and marks the integration of computer science for molecular encoding and decoding. Overall, our work paves the way for target-responsive, controllable molecular encoding, facilitating spatial omics analysis, exfoliated cell analysis, and high-throughput liquid biopsy.
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Affiliation(s)
- Dongsheng Mao
- Department of Clinical Laboratory Medicine, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, P. R. China
| | - Xiaochen Tang
- Department of Clinical Laboratory Medicine, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, P. R. China
| | - Runchi Zhang
- Department of Clinical Laboratory Medicine, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, P. R. China
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China
| | - Tianshu Chen
- Department of Clinical Laboratory Medicine, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, P. R. China
| | - Chenbin Liu
- Department of Clinical Laboratory Medicine, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, P. R. China
| | - Hongquan Gou
- Department of Clinical Laboratory Medicine, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, P. R. China
| | - Pei Sun
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China
| | - Yichun Mao
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China
| | - Jie Deng
- Department of Clinical Laboratory Medicine, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, P. R. China
| | - Wenxing Li
- Department of Clinical Laboratory Medicine, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, P. R. China
| | - Fenyong Sun
- Department of Clinical Laboratory Medicine, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, P. R. China
| | - Xiaoli Zhu
- Department of Clinical Laboratory Medicine, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, P. R. China
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China
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3
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Aalam SMM, Nguyen LV, Ritting ML, Kannan N. Clonal tracking in cancer and metastasis. Cancer Metastasis Rev 2024; 43:639-656. [PMID: 37910295 DOI: 10.1007/s10555-023-10149-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Accepted: 10/16/2023] [Indexed: 11/03/2023]
Abstract
The eradication of many cancers has proven challenging due to the presence of functionally and genetically heterogeneous clones maintained by rare cancer stem cells (CSCs), which contribute to disease progression, treatment refractoriness, and late relapse. The characterization of functional CSC activity has necessitated the development of modern clonal tracking strategies. This review describes viral-based and CRISPR-Cas9-based cellular barcoding, lineage tracing, and imaging-based approaches. DNA-based cellular barcoding technology is emerging as a powerful and robust strategy that has been widely applied to in vitro and in vivo model systems, including patient-derived xenograft models. This review also highlights the potential of these methods for use in the clinical and drug discovery contexts and discusses the important insights gained from such approaches.
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Affiliation(s)
| | - Long Viet Nguyen
- Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
- Department of Medicine, University of Toronto, Toronto, Ontario, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
| | - Megan L Ritting
- Department of Laboratory Medicine and Pathology, Mayo Clinic, 200 First St SW, Rochester, MN, 55905, USA
| | - Nagarajan Kannan
- Department of Laboratory Medicine and Pathology, Mayo Clinic, 200 First St SW, Rochester, MN, 55905, USA.
- Mayo Clinic Comprehensive Cancer Center, Mayo Clinic, Rochester, MN, USA.
- Center for Regenerative Biotherapeutics, Mayo Clinic, Rochester, MN, USA.
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4
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Baglamis S, Sheraton VM, Meijer D, Qian H, Hoebe RA, Lenos KJ, Betjes MA, Betjes MA, Tans S, van Zon J, Vermeulen L, Krawczyk PM. Using picoliter droplet deposition to track clonal competition in adherent and organoid cancer cell cultures. Sci Rep 2023; 13:18832. [PMID: 37914743 PMCID: PMC10620187 DOI: 10.1038/s41598-023-42849-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Accepted: 09/15/2023] [Indexed: 11/03/2023] Open
Abstract
Clonal growth and competition underlie processes of key relevance in etiology, progression and therapy response across all cancers. Here, we demonstrate a novel experimental approach, based on multi-color, fluorescent tagging of cell nuclei, in combination with picoliter droplet deposition, to study the clonal dynamics in two- and three-dimensional cell cultures. The method allows for the simultaneous visualization and analysis of multiple clones in individual multi-clonal colonies, providing a powerful tool for studying clonal dynamics and identifying clonal populations with distinct characteristics. Results of our experiments validate the utility of the method in studying clonal dynamics in vitro, and reveal differences in key aspects of clonal behavior of different cancer cell lines in monoculture conditions, as well as in co-cultures with stromal fibroblasts.
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Affiliation(s)
- Selami Baglamis
- Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
- Cancer Center Amsterdam, 1081 HV, Amsterdam, The Netherlands
- Oncode Institute, 3521 AL, Utrecht, The Netherlands
- Amsterdam Gastroenterology Endocrinology Metabolism, 1105 AZ, Amsterdam, The Netherlands
| | - Vivek M Sheraton
- Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
- Cancer Center Amsterdam, 1081 HV, Amsterdam, The Netherlands
- Oncode Institute, 3521 AL, Utrecht, The Netherlands
- Amsterdam Gastroenterology Endocrinology Metabolism, 1105 AZ, Amsterdam, The Netherlands
- Institute for Advanced Study, University of Amsterdam, 1012 WX, Amsterdam, The Netherlands
| | - Debora Meijer
- Cancer Center Amsterdam, 1081 HV, Amsterdam, The Netherlands
- Department of Medical Biology, Amsterdam University Medical Centers (location AMC), University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Haibin Qian
- Cancer Center Amsterdam, 1081 HV, Amsterdam, The Netherlands
- Department of Medical Biology, Amsterdam University Medical Centers (location AMC), University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Ron A Hoebe
- Cancer Center Amsterdam, 1081 HV, Amsterdam, The Netherlands
- Department of Medical Biology, Amsterdam University Medical Centers (location AMC), University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Kristiaan J Lenos
- Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
- Cancer Center Amsterdam, 1081 HV, Amsterdam, The Netherlands
- Oncode Institute, 3521 AL, Utrecht, The Netherlands
- Amsterdam Gastroenterology Endocrinology Metabolism, 1105 AZ, Amsterdam, The Netherlands
| | - Max A Betjes
- Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
- Cancer Center Amsterdam, 1081 HV, Amsterdam, The Netherlands
- Oncode Institute, 3521 AL, Utrecht, The Netherlands
- Amsterdam Gastroenterology Endocrinology Metabolism, 1105 AZ, Amsterdam, The Netherlands
| | | | | | | | - Louis Vermeulen
- Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.
- Cancer Center Amsterdam, 1081 HV, Amsterdam, The Netherlands.
- Oncode Institute, 3521 AL, Utrecht, The Netherlands.
- Amsterdam Gastroenterology Endocrinology Metabolism, 1105 AZ, Amsterdam, The Netherlands.
| | - Przemek M Krawczyk
- Cancer Center Amsterdam, 1081 HV, Amsterdam, The Netherlands.
- Department of Medical Biology, Amsterdam University Medical Centers (location AMC), University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.
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5
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Glumakova K, Ivanov G, Vedernikova V, Shyrokova L, Lebedev T, Stomakhin A, Zenchenko A, Oslovsky V, Drenichev M, Prassolov V, Spirin P. Nucleoside Analog 2',3'-Isopropylidene-5-Iodouridine as Novel Efficient Inhibitor of HIV-1. Pharmaceutics 2023; 15:2389. [PMID: 37896149 PMCID: PMC10610023 DOI: 10.3390/pharmaceutics15102389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 09/18/2023] [Accepted: 09/23/2023] [Indexed: 10/29/2023] Open
Abstract
Nucleoside reverse transcriptase inhibitors are the first class of drugs to be approved by the FDA for the suppression of HIV-1 and are widely used for this purpose in combination with drugs of other classes. Despite the progress in HIV-1 treatment, there is still the need to develop novel efficient antivirals. Here the efficiency of HIV-1 inhibition by a set of original 5-substituted uridine nucleosides was studied. We used the replication deficient human immunodeficiency virus (HIV-1)-based lentiviral particles and identified that among the studied compounds, 2',3'-isopropylidene-5-iodouridine was shown to cause anti-HIV-1 activity. Importantly, no toxic action of this compound against the cells of T-cell origin was found. We determined that this compound is significantly more efficient at suppressing HIV-1 compared to Azidothymidine (AZT) when taken at the high non-toxic concentrations. We did not find any profit when using AZT in combination with 2',3'-isopropylidene-5-iodouridine. 2',3'-Isopropylidene-5-iodouridine acts synergistically to repress HIV-1 when combined with the CDK4/6 inhibitor Palbociclib in low non-toxic concentration. No synergistic antiviral action was detected when AZT was combined with Palbociclib. We suggest 2',3'-isopropylidene-5-iodouridine as a novel perspective non-toxic compound that may be used for HIV-l suppression.
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Affiliation(s)
- Ksenia Glumakova
- Department of Cancer Cell Biology, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991 Moscow, Russia; (K.G.); (G.I.); (V.V.); (T.L.); (A.S.); (A.Z.); (V.O.); (M.D.)
- Moscow Institute of Physics and Technology, National Research University, Institutskiy per. 9, 141701 Dolgoprudny, Russia
| | - Georgy Ivanov
- Department of Cancer Cell Biology, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991 Moscow, Russia; (K.G.); (G.I.); (V.V.); (T.L.); (A.S.); (A.Z.); (V.O.); (M.D.)
| | - Valeria Vedernikova
- Department of Cancer Cell Biology, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991 Moscow, Russia; (K.G.); (G.I.); (V.V.); (T.L.); (A.S.); (A.Z.); (V.O.); (M.D.)
- Moscow Institute of Physics and Technology, National Research University, Institutskiy per. 9, 141701 Dolgoprudny, Russia
| | - Lena Shyrokova
- Department of Experimental Medical Science, Lund University, 221 84 Lund, Sweden;
| | - Timofey Lebedev
- Department of Cancer Cell Biology, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991 Moscow, Russia; (K.G.); (G.I.); (V.V.); (T.L.); (A.S.); (A.Z.); (V.O.); (M.D.)
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991 Moscow, Russia
| | - Andrei Stomakhin
- Department of Cancer Cell Biology, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991 Moscow, Russia; (K.G.); (G.I.); (V.V.); (T.L.); (A.S.); (A.Z.); (V.O.); (M.D.)
| | - Anastasia Zenchenko
- Department of Cancer Cell Biology, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991 Moscow, Russia; (K.G.); (G.I.); (V.V.); (T.L.); (A.S.); (A.Z.); (V.O.); (M.D.)
| | - Vladimir Oslovsky
- Department of Cancer Cell Biology, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991 Moscow, Russia; (K.G.); (G.I.); (V.V.); (T.L.); (A.S.); (A.Z.); (V.O.); (M.D.)
| | - Mikhail Drenichev
- Department of Cancer Cell Biology, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991 Moscow, Russia; (K.G.); (G.I.); (V.V.); (T.L.); (A.S.); (A.Z.); (V.O.); (M.D.)
| | - Vladimir Prassolov
- Department of Cancer Cell Biology, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991 Moscow, Russia; (K.G.); (G.I.); (V.V.); (T.L.); (A.S.); (A.Z.); (V.O.); (M.D.)
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991 Moscow, Russia
| | - Pavel Spirin
- Department of Cancer Cell Biology, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991 Moscow, Russia; (K.G.); (G.I.); (V.V.); (T.L.); (A.S.); (A.Z.); (V.O.); (M.D.)
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991 Moscow, Russia
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6
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Hershey BJ, Barozzi S, Orsenigo F, Pompei S, Iannelli F, Kamrad S, Matafora V, Pisati F, Calabrese L, Fragale G, Salvadori G, Martini E, Totaro MG, Magni S, Guan R, Parazzoli D, Maiuri P, Bachi A, Patil KR, Cosentino Lagomarsino M, Havas KM. Clonal cooperation through soluble metabolite exchange facilitates metastatic outgrowth by modulating Allee effect. SCIENCE ADVANCES 2023; 9:eadh4184. [PMID: 37713487 PMCID: PMC10881076 DOI: 10.1126/sciadv.adh4184] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 08/14/2023] [Indexed: 09/17/2023]
Abstract
Cancers feature substantial intratumoral heterogeneity of genetic and phenotypically distinct lineages. Although interactions between coexisting lineages are emerging as a potential contributor to tumor evolution, the extent and nature of these interactions remain largely unknown. We postulated that tumors develop ecological interactions that sustain diversity and facilitate metastasis. Using a combination of fluorescent barcoding, mathematical modeling, metabolic analysis, and in vivo models, we show that the Allee effect, i.e., growth dependency on population size, is a feature of tumor lineages and that cooperative ecological interactions between lineages alleviate the Allee barriers to growth in a model of triple-negative breast cancer. Soluble metabolite exchange formed the basis for these cooperative interactions and catalyzed the establishment of a polyclonal community that displayed enhanced metastatic dissemination and outgrowth in xenograft models. Our results highlight interclonal metabolite exchange as a key modulator of tumor ecology and a contributing factor to overcoming Allee effect-associated growth barriers to metastasis.
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Affiliation(s)
| | - Sara Barozzi
- IFOM ETS The AIRC Institute of Molecular Oncology, Milan, Italy
| | | | - Simone Pompei
- IFOM ETS The AIRC Institute of Molecular Oncology, Milan, Italy
| | - Fabio Iannelli
- IFOM ETS The AIRC Institute of Molecular Oncology, Milan, Italy
| | | | | | | | | | | | | | | | | | - Serena Magni
- IFOM ETS The AIRC Institute of Molecular Oncology, Milan, Italy
| | - Rui Guan
- Medical Research Council Toxicology Unit, Cambridge, UK
| | - Dario Parazzoli
- IFOM ETS The AIRC Institute of Molecular Oncology, Milan, Italy
| | | | - Angela Bachi
- IFOM ETS The AIRC Institute of Molecular Oncology, Milan, Italy
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7
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Barry-Carroll L, Greulich P, Marshall AR, Riecken K, Fehse B, Askew KE, Li K, Garaschuk O, Menassa DA, Gomez-Nicola D. Microglia colonize the developing brain by clonal expansion of highly proliferative progenitors, following allometric scaling. Cell Rep 2023; 42:112425. [PMID: 37099424 DOI: 10.1016/j.celrep.2023.112425] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 01/25/2023] [Accepted: 04/06/2023] [Indexed: 04/27/2023] Open
Abstract
Microglia arise from the yolk sac and enter the brain during early embryogenesis. Upon entry, microglia undergo in situ proliferation and eventually colonize the entire brain by the third postnatal week in mice. However, the intricacies of their developmental expansion remain unclear. Here, we characterize the proliferative dynamics of microglia during embryonic and postnatal development using complementary fate-mapping techniques. We demonstrate that the developmental colonization of the brain is facilitated by clonal expansion of highly proliferative microglial progenitors that occupy spatial niches throughout the brain. Moreover, the spatial distribution of microglia switches from a clustered to a random pattern between embryonic and late postnatal development. Interestingly, the developmental increase in microglial numbers follows the proportional growth of the brain in an allometric manner until a mosaic distribution has been established. Overall, our findings offer insight into how the competition for space may drive microglial colonization by clonal expansion during development.
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Affiliation(s)
- Liam Barry-Carroll
- School of Biological Sciences, University of Southampton, Southampton General Hospital, Southampton, UK
| | - Philip Greulich
- School of Mathematical Sciences, University of Southampton, Southampton, UK; Institute for Life Sciences (IfLS), University of Southampton, Southampton, UK
| | - Abigail R Marshall
- School of Biological Sciences, University of Southampton, Southampton General Hospital, Southampton, UK
| | - Kristoffer Riecken
- Research Department Cell and Gene Therapy, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Boris Fehse
- Research Department Cell and Gene Therapy, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Katharine E Askew
- School of Biological Sciences, University of Southampton, Southampton General Hospital, Southampton, UK
| | - Kaizhen Li
- Department of Neurophysiology, University of Tübingen, Tübingen, Germany
| | - Olga Garaschuk
- Department of Neurophysiology, University of Tübingen, Tübingen, Germany
| | - David A Menassa
- School of Biological Sciences, University of Southampton, Southampton General Hospital, Southampton, UK; The Queen's College, University of Oxford, Oxford, UK
| | - Diego Gomez-Nicola
- School of Biological Sciences, University of Southampton, Southampton General Hospital, Southampton, UK; Institute for Life Sciences (IfLS), University of Southampton, Southampton, UK.
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8
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Kalashnikova M, Belyavsky A. Hematopoietic System under Physiological Conditions and Following Hematopoietic Reconstitution or Stress. Int J Mol Sci 2023; 24:ijms24108983. [PMID: 37240328 DOI: 10.3390/ijms24108983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023] Open
Abstract
The hematopoietic system performs the most vital functions in the human body, integrating the work of various organs while producing enormous numbers of mature cells daily [...].
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Affiliation(s)
- Maria Kalashnikova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991 Moscow, Russia
| | - Alexander Belyavsky
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, 119991 Moscow, Russia
- Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Butlerova 5A, 117485 Moscow, Russia
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9
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Hebert JD, Neal JW, Winslow MM. Dissecting metastasis using preclinical models and methods. Nat Rev Cancer 2023; 23:391-407. [PMID: 37138029 DOI: 10.1038/s41568-023-00568-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/27/2023] [Indexed: 05/05/2023]
Abstract
Metastasis has long been understood to lead to the overwhelming majority of cancer-related deaths. However, our understanding of the metastatic process, and thus our ability to prevent or eliminate metastases, remains frustratingly limited. This is largely due to the complexity of metastasis, which is a multistep process that likely differs across cancer types and is greatly influenced by many aspects of the in vivo microenvironment. In this Review, we discuss the key variables to consider when designing assays to study metastasis: which source of metastatic cancer cells to use and where to introduce them into mice to address different questions of metastasis biology. We also examine methods that are being used to interrogate specific steps of the metastatic cascade in mouse models, as well as emerging techniques that may shed new light on previously inscrutable aspects of metastasis. Finally, we explore approaches for developing and using anti-metastatic therapies, and how mouse models can be used to test them.
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Affiliation(s)
- Jess D Hebert
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Joel W Neal
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
| | - Monte M Winslow
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA.
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA.
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA.
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10
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Böckelmann LC, Freytag V, Ahlers AK, Maar H, Gosau T, Baranowsky A, Schmitz R, Pantel K, Schumacher U, Haider MT, Lange T. Efficacy of zoledronic acid for the elimination of disseminated tumor cells in a clinically relevant, spontaneously metastatic prostate cancer xenograft model. Bone 2023; 171:116741. [PMID: 36934984 DOI: 10.1016/j.bone.2023.116741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 02/01/2023] [Accepted: 03/14/2023] [Indexed: 03/19/2023]
Abstract
Bone metastases develop in >90 % of patients with castration-resistant prostate cancer (PCa) through complex interactions between the bone microenvironment and tumor cells. Previous androgen-deprivation therapy (ADT), which is known to cause bone loss, as well as anti-resorptive agents such as zoledronic acid (ZA), used to prevent skeletal complications, may influence these interactions and thereby the growth of disseminated tumor cells (DTC) in the bone marrow (BM). Here, a spontaneously metastatic xenograft tumor model of human PCa was further optimized to mimic the common clinical situation of ADT (castration) combined with primary tumor resection in vivo. The effects of these interventions, alone or in combination with ZA treatment, on tumor cell dissemination to the BM and other distant sites were analyzed. Metastatic burden was quantified by human-specific Alu-qPCR, bioluminescence imaging (BLI), and immunohistochemistry. Further, bone remodeling was assessed by static histomorphometry and serum parameters. Initial comparative analysis between NSG and SCID mice showed that spontaneous systemic dissemination of subcutaneous PC-3 xenograft tumors was considerably enhanced in NSG mice. Primary tumor resection and thereby prolonged observational periods resulted in a higher overall metastatic cell load at necropsy and tumor growth alone caused significant bone loss, which was further augmented by surgical castration. In addition, castrated mice showed a strong trend towards higher bone metastasis loads. Weekly treatment of mice with ZA completely prevented castration- and tumor-induced bone loss but had no effect on bone metastasis burden. Conversely, the total lung metastasis load as determined by BLI was significantly decreased upon ZA treatment. These findings provide a basis for future research on the role of ZA not only in preventing skeletal complications but also in reducing metastasis to other organs.
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Affiliation(s)
- Lukas Clemens Böckelmann
- Institute of Anatomy and Experimental Morphology, Center for Experimental Medicine, University Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Department of Oncology, Hematology and Bone Marrow Transplantation, University Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Vera Freytag
- Institute of Anatomy and Experimental Morphology, Center for Experimental Medicine, University Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Ann-Kristin Ahlers
- Institute of Anatomy and Experimental Morphology, Center for Experimental Medicine, University Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Hanna Maar
- Institute of Anatomy and Experimental Morphology, Center for Experimental Medicine, University Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Institute of Anatomy I, Cancer Center Central Germany, Jena University Hospital, Jena, Germany
| | - Tobias Gosau
- Institute of Anatomy and Experimental Morphology, Center for Experimental Medicine, University Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Anke Baranowsky
- Department of Osteology and Biomechanics, Center for Experimental Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Department of Trauma Surgery and Orthopedics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Rüdiger Schmitz
- Institute of Anatomy and Experimental Morphology, Center for Experimental Medicine, University Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Klaus Pantel
- Institute of Tumor Biology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Udo Schumacher
- Institute of Anatomy and Experimental Morphology, Center for Experimental Medicine, University Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Marie-Therese Haider
- Institute of Anatomy and Experimental Morphology, Center for Experimental Medicine, University Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Tobias Lange
- Institute of Anatomy and Experimental Morphology, Center for Experimental Medicine, University Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Institute of Anatomy I, Cancer Center Central Germany, Jena University Hospital, Jena, Germany.
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11
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Serrano A, Berthelet J, Naik SH, Merino D. Mastering the use of cellular barcoding to explore cancer heterogeneity. Nat Rev Cancer 2022; 22:609-624. [PMID: 35982229 DOI: 10.1038/s41568-022-00500-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/13/2022] [Indexed: 11/09/2022]
Abstract
Tumours are often composed of a multitude of malignant clones that are genomically unique, and only a few of them may have the ability to escape cancer therapy and grow as symptomatic lesions. As a result, tumours with a large degree of genomic diversity have a higher chance of leading to patient death. However, clonal fate can be driven by non-genomic features. In this context, new technologies are emerging not only to track the spatiotemporal fate of individual cells and their progeny but also to study their molecular features using various omics analysis. In particular, the recent development of cellular barcoding facilitates the labelling of tens to millions of cancer clones and enables the identification of the complex mechanisms associated with clonal fate in different microenvironments and in response to therapy. In this Review, we highlight the recent discoveries made using lentiviral-based cellular barcoding techniques, namely genetic and optical barcoding. We also emphasize the strengths and limitations of each of these technologies and discuss some of the key concepts that must be taken into consideration when one is designing barcoding experiments. Finally, we suggest new directions to further improve the use of these technologies in cancer research.
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Affiliation(s)
- Antonin Serrano
- Olivia Newton-John Cancer Research Institute, Heidelberg, Victoria, Australia
- School of Cancer Medicine, La Trobe University, Bundoora, Victoria, Australia
- Immunology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
- Department of Medical Biology, Faculty of Medicine, Dentistry and Health Science, The University of Melbourne, Parkville, Victoria, Australia
| | - Jean Berthelet
- Olivia Newton-John Cancer Research Institute, Heidelberg, Victoria, Australia
- School of Cancer Medicine, La Trobe University, Bundoora, Victoria, Australia
| | - Shalin H Naik
- Immunology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
- Department of Medical Biology, Faculty of Medicine, Dentistry and Health Science, The University of Melbourne, Parkville, Victoria, Australia
| | - Delphine Merino
- Olivia Newton-John Cancer Research Institute, Heidelberg, Victoria, Australia.
- School of Cancer Medicine, La Trobe University, Bundoora, Victoria, Australia.
- Immunology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.
- Department of Medical Biology, Faculty of Medicine, Dentistry and Health Science, The University of Melbourne, Parkville, Victoria, Australia.
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12
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Kumamoto T, Ohtaka-Maruyama C. Visualizing Cortical Development and Evolution: A Toolkit Update. Front Neurosci 2022; 16:876406. [PMID: 35495046 PMCID: PMC9039325 DOI: 10.3389/fnins.2022.876406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 03/17/2022] [Indexed: 11/13/2022] Open
Abstract
Visualizing the process of neural circuit formation during neurogenesis, using genetically modified animals or somatic transgenesis of exogenous plasmids, has become a key to decipher cortical development and evolution. In contrast to the establishment of transgenic animals, the designing and preparation of genes of interest into plasmids are simple and easy, dispensing with time-consuming germline modifications. These advantages have led to neuron labeling based on somatic transgenesis. In particular, mammalian expression plasmid, CRISPR-Cas9, and DNA transposon systems, have become widely used for neuronal visualization and functional analysis related to lineage labeling during cortical development. In this review, we discuss the advantages and limitations of these recently developed techniques.
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13
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Combined Targeting of AKT and mTOR Inhibits Tumor Formation of EpCAM+ and CD90+ Human Hepatocellular Carcinoma Cells in an Orthotopic Mouse Model. Cancers (Basel) 2022; 14:cancers14081882. [PMID: 35454789 PMCID: PMC9024696 DOI: 10.3390/cancers14081882] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 04/05/2022] [Accepted: 04/06/2022] [Indexed: 12/12/2022] Open
Abstract
The epithelial cell adhesion molecule (EpCAM) and Thy-1 cell surface antigen (CD90) have been implicated as cancer stem cell (CSC) markers in hepatocellular carcinoma (HCC). Expression of EpCAM and CD90 on HCC cells is associated with increased tumorigenicity, metastasis and poor prognosis. In this study, we demonstrate that combined treatment with AKT and mTOR inhibitors—i.e., MK2206 and RAD001—results in a synergistic reduction in proliferation of EpCAM+ and CD90+ HCC cells cultured either as adherent cells or as tumoroids in vitro. In addition, tumor growth was reduced by combined treatment with AKT and mTOR inhibitors in an orthotopic xenograft mouse model of an EpCAM+ HCC cell line (Huh7) and primary patient-derived EpCAM+ HCC cells (HCC1) as well as a CD90+ HCC-related cell line (SK-HEP1) in vivo. However, during AKT/mTOR treatment, outgrowth of therapy-resistant tumors was observed in all mice analyzed within a few weeks. Resistance was associated in most cases with restoration of AKT signaling in the tumors, intrahepatic metastases and distant metastases. In addition, an upregulation of the p38 MAPK pathway was identified in the AKT/mTOR inhibitor-resistant tumor cells by kinome profiling. The development of resistant cells during AKT/mTOR therapy was further analyzed by red-green-blue (RGB) marking of HCC cells, which revealed an outgrowth of a large number of Huh7 cells over a period of 6 months. In summary, our data demonstrate that combined treatment with AKT and mTOR inhibitors exhibits synergistic effects on proliferation of EpCAM+ as well as CD90+ HCC cells in vitro. However, the fast development of large numbers of resistant clones under AKT/mTOR therapy observed in vitro and in the orthotopic xenotransplantation mouse model in vivo strongly suggests that this therapy alone will not be sufficient to eliminate EpCAM+ or CD90+ cancer stem cells from HCC patients.
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14
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Gotzhein F, Aranyossy T, Thielecke L, Sonntag T, Thaden V, Fehse B, Müller I, Glauche I, Cornils K. The Reconstitution Dynamics of Cultivated Hematopoietic Stem Cells and Progenitors Is Independent of Age. Int J Mol Sci 2022; 23:ijms23063160. [PMID: 35328579 PMCID: PMC8948791 DOI: 10.3390/ijms23063160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/08/2022] [Accepted: 03/10/2022] [Indexed: 12/10/2022] Open
Abstract
Hematopoietic stem cell transplantation (HSCT) represents the only curative treatment option for numerous hematologic malignancies. While the influence of donor age and the composition of the graft have already been examined in clinical and preclinical studies, little information is available on the extent to which different hematological subpopulations contribute to the dynamics of the reconstitution process and on whether and how these contributions are altered with age. In a murine model of HSCT, we therefore simultaneously tracked different cultivated and transduced hematopoietic stem and progenitor cell (HSPC) populations using a multicolor-coded barcode system (BC32). We studied a series of age-matched and age-mismatched transplantations and compared the influence of age on the reconstitution dynamics. We show that reconstitution from these cultured and assembled grafts was substantially driven by hematopoietic stem cells (HSCs) and multipotent progenitors (MPPs) independent of age. The reconstitution patterns were polyclonal and stable in all age groups independently of the variability between individual animals, with higher output rates from MPPs than from HSCs. Our experiments suggest that the dynamics of reconstitution and the contribution of cultured and individually transduced HSPC subpopulations are largely independent of age. Our findings support ongoing efforts to expand the application of HSCT in older individuals as a promising strategy to combat hematological diseases, including gene therapy applications.
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Affiliation(s)
- Frauke Gotzhein
- Clinic of Pediatric Hematology and Oncology, Division of Pediatric Stem Cell Transplantation and Immunology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (F.G.); (V.T.); (I.M.)
- Research Institute Children’s Cancer Center Hamburg, 20251 Hamburg, Germany
| | - Tim Aranyossy
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (T.A.); (T.S.); (B.F.)
| | - Lars Thielecke
- Institute for Medical Informatics and Biometry, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, 01307 Dresden, Germany; (L.T.); (I.G.)
| | - Tanja Sonntag
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (T.A.); (T.S.); (B.F.)
| | - Vanessa Thaden
- Clinic of Pediatric Hematology and Oncology, Division of Pediatric Stem Cell Transplantation and Immunology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (F.G.); (V.T.); (I.M.)
- Research Institute Children’s Cancer Center Hamburg, 20251 Hamburg, Germany
| | - Boris Fehse
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (T.A.); (T.S.); (B.F.)
| | - Ingo Müller
- Clinic of Pediatric Hematology and Oncology, Division of Pediatric Stem Cell Transplantation and Immunology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (F.G.); (V.T.); (I.M.)
- Research Institute Children’s Cancer Center Hamburg, 20251 Hamburg, Germany
| | - Ingmar Glauche
- Institute for Medical Informatics and Biometry, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, 01307 Dresden, Germany; (L.T.); (I.G.)
| | - Kerstin Cornils
- Clinic of Pediatric Hematology and Oncology, Division of Pediatric Stem Cell Transplantation and Immunology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (F.G.); (V.T.); (I.M.)
- Research Institute Children’s Cancer Center Hamburg, 20251 Hamburg, Germany
- Correspondence: ; Tel.: +49-40-7410-52721
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15
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Zeller C, Richter D, Jurinovic V, Valtierra-Gutiérrez IA, Jayavelu AK, Mann M, Bagnoli JW, Hellmann I, Herold T, Enard W, Vick B, Jeremias I. Adverse stem cell clones within a single patient's tumor predict clinical outcome in AML patients. J Hematol Oncol 2022; 15:25. [PMID: 35279202 PMCID: PMC8917742 DOI: 10.1186/s13045-022-01232-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 01/27/2022] [Indexed: 11/28/2022] Open
Abstract
Acute myeloid leukemia (AML) patients suffer dismal prognosis upon treatment resistance. To study functional heterogeneity of resistance, we generated serially transplantable patient-derived xenograft (PDX) models from one patient with AML and twelve clones thereof, each derived from a single stem cell, as proven by genetic barcoding. Transcriptome and exome sequencing segregated clones according to their origin from relapse one or two. Undetectable for sequencing, multiplex fluorochrome-guided competitive in vivo treatment trials identified a subset of relapse two clones as uniquely resistant to cytarabine treatment. Transcriptional and proteomic profiles obtained from resistant PDX clones and refractory AML patients defined a 16-gene score that was predictive of clinical outcome in a large independent patient cohort. Thus, we identified novel genes related to cytarabine resistance and provide proof of concept that intra-tumor heterogeneity reflects inter-tumor heterogeneity in AML.
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Affiliation(s)
- Christina Zeller
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Zentrum München, German Research Center for Environmental Health (HMGU), Munich, Germany
| | - Daniel Richter
- Anthropology and Human Genomics, Faculty of Biology, Ludwig-Maximilians University (LMU), Munich, Germany
| | - Vindi Jurinovic
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Zentrum München, German Research Center for Environmental Health (HMGU), Munich, Germany.,Institute for Medical Information Processing, Biometry and Epidemiology, LMU, Munich, Germany
| | - Ilse A Valtierra-Gutiérrez
- Anthropology and Human Genomics, Faculty of Biology, Ludwig-Maximilians University (LMU), Munich, Germany
| | - Ashok Kumar Jayavelu
- Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany
| | - Matthias Mann
- Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany
| | - Johannes W Bagnoli
- Anthropology and Human Genomics, Faculty of Biology, Ludwig-Maximilians University (LMU), Munich, Germany
| | - Ines Hellmann
- Anthropology and Human Genomics, Faculty of Biology, Ludwig-Maximilians University (LMU), Munich, Germany
| | - Tobias Herold
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Zentrum München, German Research Center for Environmental Health (HMGU), Munich, Germany.,Laboratory for Leukemia Diagnostics, Department of Medicine III, University Hospital, LMU, Munich, Germany.,German Cancer Consortium (DKTK), Partner Site Munich, Munich, Germany
| | - Wolfgang Enard
- Anthropology and Human Genomics, Faculty of Biology, Ludwig-Maximilians University (LMU), Munich, Germany
| | - Binje Vick
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Zentrum München, German Research Center for Environmental Health (HMGU), Munich, Germany.,German Cancer Consortium (DKTK), Partner Site Munich, Munich, Germany
| | - Irmela Jeremias
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Zentrum München, German Research Center for Environmental Health (HMGU), Munich, Germany. .,German Cancer Consortium (DKTK), Partner Site Munich, Munich, Germany. .,Department of Pediatrics, Dr. von Hauner Children´s Hospital, University Hospital, LMU, Munich, Germany.
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16
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Multicolor strategies for investigating clonal expansion and tissue plasticity. Cell Mol Life Sci 2022; 79:141. [PMID: 35187598 PMCID: PMC8858928 DOI: 10.1007/s00018-021-04077-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 09/27/2021] [Accepted: 10/14/2021] [Indexed: 12/20/2022]
Abstract
Understanding the generation of complexity in living organisms requires the use of lineage tracing tools at a multicellular scale. In this review, we describe the different multicolor strategies focusing on mouse models expressing several fluorescent reporter proteins, generated by classical (MADM, Brainbow and its multiple derivatives) or acute (StarTrack, CLoNe, MAGIC Markers, iOn, viral vectors) transgenesis. After detailing the multi-reporter genetic strategies that serve as a basis for the establishment of these multicolor mouse models, we briefly mention other animal and cellular models (zebrafish, chicken, drosophila, iPSC) that also rely on these constructs. Then, we highlight practical applications of multicolor mouse models to better understand organogenesis at single progenitor scale (clonal analyses) in the brain and briefly in several other tissues (intestine, skin, vascular, hematopoietic and immune systems). In addition, we detail the critical contribution of multicolor fate mapping strategies in apprehending the fine cellular choreography underlying tissue morphogenesis in several models with a particular focus on brain cytoarchitecture in health and diseases. Finally, we present the latest technological advances in multichannel and in-depth imaging, and automated analyses that enable to better exploit the large amount of data generated from multicolored tissues.
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17
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Innes JA, Lowe AS, Fonseca R, Aley N, El-Hassan T, Constantinou M, Lau J, Eddaoudi A, Marino S, Brandner S. Phenotyping clonal populations of glioma stem cell reveals a high degree of plasticity in response to changes of microenvironment. J Transl Med 2022; 102:172-184. [PMID: 34782726 PMCID: PMC8784315 DOI: 10.1038/s41374-021-00695-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 10/23/2021] [Accepted: 10/25/2021] [Indexed: 11/09/2022] Open
Abstract
The phenotype of glioma-initiating cells (GIC) is modulated by cell-intrinsic and cell-extrinsic factors. Phenotypic heterogeneity and plasticity of GIC is an important limitation to therapeutic approaches targeting cancer stem cells. Plasticity also presents a challenge to the identification, isolation, and propagation of purified cancer stem cells. Here we use a barcode labelling approach of GIC to generate clonal populations over a number of passages, in combination with phenotyping using the established stem cell markers CD133, CD15, CD44, and A2B5. Using two cell lines derived from isocitrate dehydrogenase (IDH)-wildtype glioblastoma, we identify a remarkable heterogeneity of the phenotypes between the cell lines. During passaging, clonal expansion manifests as the emergence of a limited number of barcoded clones and a decrease in the overall number of clones. Dual-labelled GIC are capable of forming traceable clonal populations which emerge after as few as two passages from mixed cultures and through analyses of similarity of relative proportions of 16 surface markers we were able to pinpoint the fate of such populations. By generating tumour organoids we observed a remarkable persistence of dominant clones but also a significant plasticity of stemness marker expression. Our study presents an experimental approach to simultaneously barcode and phenotype glioma-initiating cells to assess their functional properties, for example to screen newly established GIC for tumour-specific therapeutic vulnerabilities.
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Affiliation(s)
- James A Innes
- Department of Neurodegenerative Disease, Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG, UK
| | - Andrew S Lowe
- Department of Neurodegenerative Disease, Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG, UK
| | - Raquel Fonseca
- Department of Neurodegenerative Disease, Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG, UK
| | - Natasha Aley
- Department of Neurodegenerative Disease, Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG, UK
| | - Tedani El-Hassan
- Department of Neurodegenerative Disease, Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG, UK
| | - Myrianni Constantinou
- Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University London, London, E1 2AT, UK
| | - Joanne Lau
- Department of Neurodegenerative Disease, Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG, UK
| | - Ayad Eddaoudi
- Zayed Centre for Research Into Rare Disease in Children, UCL Great Ormond Street Institute of Child Health, University College London, London, WC1N 1DZ, UK
| | - Silvia Marino
- Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University London, London, E1 2AT, UK
| | - Sebastian Brandner
- Department of Neurodegenerative Disease, Queen Square Institute of Neurology, University College London, Queen Square, London, WC1N 3BG, UK.
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18
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Shembrey C, Smith J, Grandin M, Williams N, Cho HJ, Mølck C, Behrenbruch C, Thomson BNJ, Heriot AG, Merino D, Hollande F. Longitudinal Monitoring of Intra-Tumoural Heterogeneity Using Optical Barcoding of Patient-Derived Colorectal Tumour Models. Cancers (Basel) 2022; 14:581. [PMID: 35158849 PMCID: PMC8833441 DOI: 10.3390/cancers14030581] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/16/2022] [Accepted: 01/19/2022] [Indexed: 02/01/2023] Open
Abstract
Geno- and phenotypic heterogeneity amongst cancer cell subpopulations are established drivers of treatment resistance and tumour recurrence. However, due to the technical difficulty associated with studying such intra-tumoural heterogeneity, this phenomenon is seldom interrogated in conventional cell culture models. Here, we employ a fluorescent lineage technique termed "optical barcoding" (OBC) to perform simultaneous longitudinal tracking of spatio-temporal fate in 64 patient-derived colorectal cancer subclones. To do so, patient-derived cancer cell lines and organoids were labelled with discrete combinations of reporter constructs, stably integrated into the genome and thus passed on from the founder cell to all its clonal descendants. This strategy enables the longitudinal monitoring of individual cell lineages based upon their unique optical barcodes. By designing a novel panel of six fluorescent proteins, the maximum theoretical subpopulation resolution of 64 discriminable subpopulations was achieved, greatly improving throughput compared with previous studies. We demonstrate that all subpopulations can be purified from complex clonal mixtures via flow cytometry, permitting the downstream isolation and analysis of any lineages of interest. Moreover, we outline an optimized imaging protocol that can be used to image optical barcodes in real-time, allowing for clonal dynamics to be resolved in live cells. In contrast with the limited intra-tumour heterogeneity observed in conventional 2D cell lines, the OBC technique was successfully used to quantify dynamic clonal expansions and contractions in 3D patient-derived organoids, which were previously demonstrated to better recapitulate the heterogeneity of their parental tumour material. In summary, we present OBC as a user-friendly, inexpensive, and high-throughput technique for monitoring intra-tumoural heterogeneity in in vitro cell culture models.
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Affiliation(s)
- Carolyn Shembrey
- Department of Clinical Pathology, University of Melbourne, Melbourne, VIC 3000, Australia; (C.S.); (J.S.); (M.G.); (N.W.); (C.M.); (C.B.)
- Victorian Comprehensive Cancer Centre, University of Melbourne Centre for Cancer Research, Melbourne, VIC 3000, Australia
| | - Jai Smith
- Department of Clinical Pathology, University of Melbourne, Melbourne, VIC 3000, Australia; (C.S.); (J.S.); (M.G.); (N.W.); (C.M.); (C.B.)
- Victorian Comprehensive Cancer Centre, University of Melbourne Centre for Cancer Research, Melbourne, VIC 3000, Australia
| | - Mélodie Grandin
- Department of Clinical Pathology, University of Melbourne, Melbourne, VIC 3000, Australia; (C.S.); (J.S.); (M.G.); (N.W.); (C.M.); (C.B.)
- Victorian Comprehensive Cancer Centre, University of Melbourne Centre for Cancer Research, Melbourne, VIC 3000, Australia
| | - Nathalia Williams
- Department of Clinical Pathology, University of Melbourne, Melbourne, VIC 3000, Australia; (C.S.); (J.S.); (M.G.); (N.W.); (C.M.); (C.B.)
- Victorian Comprehensive Cancer Centre, University of Melbourne Centre for Cancer Research, Melbourne, VIC 3000, Australia
| | - Hyun-Jung Cho
- Biological Optical Microscopy Platform, University of Melbourne, Melbourne, VIC 3010, Australia;
| | - Christina Mølck
- Department of Clinical Pathology, University of Melbourne, Melbourne, VIC 3000, Australia; (C.S.); (J.S.); (M.G.); (N.W.); (C.M.); (C.B.)
- Victorian Comprehensive Cancer Centre, University of Melbourne Centre for Cancer Research, Melbourne, VIC 3000, Australia
| | - Corina Behrenbruch
- Department of Clinical Pathology, University of Melbourne, Melbourne, VIC 3000, Australia; (C.S.); (J.S.); (M.G.); (N.W.); (C.M.); (C.B.)
- Victorian Comprehensive Cancer Centre, University of Melbourne Centre for Cancer Research, Melbourne, VIC 3000, Australia
- The Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC 3010, Australia;
- Department of General Surgical Specialties, The Royal Melbourne Hospital, University of Melbourne, Melbourne, VIC 3050, Australia;
| | - Benjamin NJ. Thomson
- Department of General Surgical Specialties, The Royal Melbourne Hospital, University of Melbourne, Melbourne, VIC 3050, Australia;
- Department of Surgery, the Royal Melbourne Hospital, University of Melbourne, Melbourne, VIC 3050, Australia
| | - Alexander G. Heriot
- The Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC 3010, Australia;
- Department of Cancer Surgery, Peter MacCallum Cancer Centre, Melbourne, VIC 3000, Australia
- Department of Surgery, St Vincent’s Hospital, Melbourne, VIC 3065, Australia
| | - Delphine Merino
- Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia;
- School of Cancer Medicine, La Trobe University, Melbourne, VIC 3086, Australia
- Immunology Division, The Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC 3052, Australia
- Department of Medical Biology, The Faculty of Medicine, Dentistry and Health Science, University of Melbourne, Melbourne, VIC 3010, Australia
| | - Frédéric Hollande
- Department of Clinical Pathology, University of Melbourne, Melbourne, VIC 3000, Australia; (C.S.); (J.S.); (M.G.); (N.W.); (C.M.); (C.B.)
- Victorian Comprehensive Cancer Centre, University of Melbourne Centre for Cancer Research, Melbourne, VIC 3000, Australia
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19
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Rodriguez Y Baena A, Manso BA, Forsberg EC. CFU-S assay: a historical single-cell assay that offers modern insight into clonal hematopoiesis. Exp Hematol 2021; 104:1-8. [PMID: 34688837 DOI: 10.1016/j.exphem.2021.10.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 10/10/2021] [Accepted: 10/12/2021] [Indexed: 10/20/2022]
Abstract
Hematopoietic stem cells (HSCs) have been studied extensively since their initial functional description in 1961 when Dr. James Till and Dr. Ernest McCulloch developed the first in vivo clonal strategy, termed the spleen colony-forming unit (CFU-S) assay, to assess the functional capacity of bone marrow-derived hematopoietic progenitors at the single-cell level. Through transplantation of bone marrow cells and analysis of the resulting cellular nodules in the spleen, the CFU-S assay revealed both the self-renewal and clonal differentiation capacity of hematopoietic progenitors. Further development and use of this assay have identified highly proliferative, self-renewing, and differentiating HSCs that possess clonal, multilineage differentiation. The CFU-S strategy has also been adapted to interrogating single purified hematopoietic stem and progenitor cell populations, advancing our knowledge of the hematopoietic hierarchy. In this review, we explore the major discoveries made with the CFU-S assay, consider its modern use and recent improvements, and compare it with commonly used long-term transplantation assays to determine the continued value of the CFU-S assay for understanding HSC biology and hematopoiesis.
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Affiliation(s)
- Alessandra Rodriguez Y Baena
- Institute for the Biology of Stem Cells, University of California-Santa Cruz, Santa Cruz, CA; Program in Biomedical Sciences and Engineering, Department of Molecular, Cell, and Developmental Biology, University of California-Santa Cruz, Santa Cruz, CA
| | - Bryce A Manso
- Institute for the Biology of Stem Cells, University of California-Santa Cruz, Santa Cruz, CA; Biomolecular Engineering, University of California-Santa Cruz, Santa Cruz, CA
| | - E Camilla Forsberg
- Institute for the Biology of Stem Cells, University of California-Santa Cruz, Santa Cruz, CA; Biomolecular Engineering, University of California-Santa Cruz, Santa Cruz, CA.
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20
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Mantesso A, Zhang Z, Warner KA, Herzog AE, Pulianmackal AJ, Nör JE. Pulpbow: A Method to Study the Vasculogenic Potential of Mesenchymal Stem Cells from the Dental Pulp. Cells 2021; 10:2804. [PMID: 34831027 PMCID: PMC8616523 DOI: 10.3390/cells10112804] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 10/14/2021] [Accepted: 10/15/2021] [Indexed: 01/06/2023] Open
Abstract
Understanding how Mesenchymal Stem Cells (MSCs) form blood vessels is critical for creating mechanism-based approaches for the therapeutic use of these cells. In addition, understanding the determinants and factors involved in lineage hierarchy is fundamental to creating accurate and reliable techniques for the study of stem cells in tissue engineering and repair. Dental Pulp Stem Cells (DPSC) from permanent teeth and Stem cells from Human Exfoliated Deciduous teeth (SHED) are particularly interesting sources for tissue engineering as they are easily accessible and expandable. Previously, we have shown that DPSCs and SHEDs can differentiate into endothelial cells and form functional blood vessels through vasculogenesis. Here, we described how we created the "pulpbow" (pulp + rainbow), a multicolor tag experimental model that is stable, permanent, unique to each cell and passed through generations. We used the pulpbow to understand how dental pulp stem cells contributed to blood vessel formation in 3D models in in vitro and ex vivo live cell tracking, and in vivo transplantation assays. Simultaneous tracking of cells during sprout formation revealed that no single multicolor-tagged cell was more prone to vasculogenesis. During this process, there was intense cell motility with minimal proliferation in early time points. In later stages, when the availability of undifferentiated cells around the forming sprout decreased, there was local clonal proliferation mediated by proximity. These results unveiled that the vasculogenesis process mediated by dental pulp stem cells is dynamic and proximity to the sprouting area is critical for cell fate decisions.
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Affiliation(s)
- Andrea Mantesso
- Angiogenesis Research Laboratory, Department of Cariology, Restorative Sciences and Endodontics, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA; (A.M.); (Z.Z.); (K.A.W.); (A.E.H.)
| | - Zhaocheng Zhang
- Angiogenesis Research Laboratory, Department of Cariology, Restorative Sciences and Endodontics, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA; (A.M.); (Z.Z.); (K.A.W.); (A.E.H.)
| | - Kristy A. Warner
- Angiogenesis Research Laboratory, Department of Cariology, Restorative Sciences and Endodontics, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA; (A.M.); (Z.Z.); (K.A.W.); (A.E.H.)
| | - Alexandra E. Herzog
- Angiogenesis Research Laboratory, Department of Cariology, Restorative Sciences and Endodontics, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA; (A.M.); (Z.Z.); (K.A.W.); (A.E.H.)
| | - Ajai J. Pulianmackal
- Department of Molecular, Cellular and Developmental Biology, University of Michigan College of Literature, Science and the Arts, Ann Arbor, MI 48109, USA;
| | - Jacques E. Nör
- Angiogenesis Research Laboratory, Department of Cariology, Restorative Sciences and Endodontics, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA; (A.M.); (Z.Z.); (K.A.W.); (A.E.H.)
- Department of Biomedical Engineering, University of Michigan College of Engineering, Ann Arbor, MI 48109, USA
- Department of Otolaryngology, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
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21
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Głów D, Meyer S, García Roldán I, Akingunsade LM, Riecken K, Fehse B. LATE-a novel sensitive cell-based assay for the study of CRISPR/Cas9-related long-term adverse treatment effects. Mol Ther Methods Clin Dev 2021; 22:249-262. [PMID: 34485609 PMCID: PMC8399046 DOI: 10.1016/j.omtm.2021.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 07/23/2021] [Indexed: 11/26/2022]
Abstract
Since the introduction of clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein 9 (Cas9), genome editing has been broadly applied in basic research and applied biotechnology, whereas translation into clinical testing has raised safety concerns. Indeed, although frequencies and locations of off-target events have been widely addressed, little is known about their potential biological consequences in large-scale long-term settings. We have developed a long-term adverse treatment effect (LATE) in vitro assay that addresses potential toxicity of designer nucleases by assessing cell transformation events. In small-scale proof-of-principle experiments we reproducibly detected low-frequency (<0.5%) growth-promoting events in primary human newborn foreskin fibroblasts (NUFF cells) resulting from off-target cleavage in the TP53 gene. Importantly, the LATE assay detected not only off-target effects in TP53 not predicted by popular online tools but also growth-promoting mutations in other tumor suppressor genes, such as p21 and PLZF. It convincingly verified strongly reduced off-target activities of high fidelity compared with first-generation Cas9. Finally, the LATE assay was readily adapted to other cell types, namely clinically relevant human mesenchymal stromal cells (hMSCs) and retinal pigmented epithelial (RPE-1) cells. In conclusion, the LATE assay allows assessment of physiological adverse effects of the CRISPR/Cas system and might therefore be useful for preclinical safety studies.
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Affiliation(s)
- Dawid Głów
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Centre Hamburg-Eppendorf (UKE), Martinistr. 52, Hamburg 20246, Germany
| | - Simon Meyer
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Centre Hamburg-Eppendorf (UKE), Martinistr. 52, Hamburg 20246, Germany
| | - Irene García Roldán
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Centre Hamburg-Eppendorf (UKE), Martinistr. 52, Hamburg 20246, Germany
| | - Lara Marie Akingunsade
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Centre Hamburg-Eppendorf (UKE), Martinistr. 52, Hamburg 20246, Germany
| | - Kristoffer Riecken
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Centre Hamburg-Eppendorf (UKE), Martinistr. 52, Hamburg 20246, Germany
| | - Boris Fehse
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Centre Hamburg-Eppendorf (UKE), Martinistr. 52, Hamburg 20246, Germany
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22
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Lewis SM, Asselin-Labat ML, Nguyen Q, Berthelet J, Tan X, Wimmer VC, Merino D, Rogers KL, Naik SH. Spatial omics and multiplexed imaging to explore cancer biology. Nat Methods 2021; 18:997-1012. [PMID: 34341583 DOI: 10.1038/s41592-021-01203-6] [Citation(s) in RCA: 233] [Impact Index Per Article: 77.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 06/04/2021] [Indexed: 01/19/2023]
Abstract
Understanding intratumoral heterogeneity-the molecular variation among cells within a tumor-promises to address outstanding questions in cancer biology and improve the diagnosis and treatment of specific cancer subtypes. Single-cell analyses, especially RNA sequencing and other genomics modalities, have been transformative in revealing novel biomarkers and molecular regulators associated with tumor growth, metastasis and drug resistance. However, these approaches fail to provide a complete picture of tumor biology, as information on cellular location within the tumor microenvironment is lost. New technologies leveraging multiplexed fluorescence, DNA, RNA and isotope labeling enable the detection of tens to thousands of cancer subclones or molecular biomarkers within their native spatial context. The expeditious growth in these techniques, along with methods for multiomics data integration, promises to yield a more comprehensive understanding of cell-to-cell variation within and between individual tumors. Here we provide the current state and future perspectives on the spatial technologies expected to drive the next generation of research and diagnostic and therapeutic strategies for cancer.
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Affiliation(s)
- Sabrina M Lewis
- Advanced Technology and Biology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.,Immunology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.,Department of Medical Biology, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia
| | - Marie-Liesse Asselin-Labat
- Department of Medical Biology, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia.,Personalised Oncology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
| | - Quan Nguyen
- Division of Genetics and Genomics, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, Australia
| | - Jean Berthelet
- Olivia Newton-John Cancer Research Institute, Heidelberg, Victoria, Australia.,School of Cancer Medicine, La Trobe University, Bundoora, Victoria, Australia
| | - Xiao Tan
- Division of Genetics and Genomics, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, Australia
| | - Verena C Wimmer
- Advanced Technology and Biology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.,Department of Medical Biology, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia
| | - Delphine Merino
- Immunology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.,Department of Medical Biology, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia.,Olivia Newton-John Cancer Research Institute, Heidelberg, Victoria, Australia.,School of Cancer Medicine, La Trobe University, Bundoora, Victoria, Australia
| | - Kelly L Rogers
- Advanced Technology and Biology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia. .,Department of Medical Biology, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia.
| | - Shalin H Naik
- Immunology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia. .,Department of Medical Biology, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia.
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23
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Berthelet J, Wimmer VC, Whitfield HJ, Serrano A, Boudier T, Mangiola S, Merdas M, El-Saafin F, Baloyan D, Wilcox J, Wilcox S, Parslow AC, Papenfuss AT, Yeo B, Ernst M, Pal B, Anderson RL, Davis MJ, Rogers KL, Hollande F, Merino D. The site of breast cancer metastases dictates their clonal composition and reversible transcriptomic profile. SCIENCE ADVANCES 2021; 7:eabf4408. [PMID: 34233875 PMCID: PMC8262813 DOI: 10.1126/sciadv.abf4408] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 05/25/2021] [Indexed: 05/03/2023]
Abstract
Intratumoral heterogeneity is a driver of breast cancer progression, but the nature of the clonal interactive network involved in this process remains unclear. Here, we optimized the use of optical barcoding to visualize and characterize 31 cancer subclones in vivo. By mapping the clonal composition of thousands of metastases in two clinically relevant sites, the lungs and liver, we found that metastases were highly polyclonal in lungs but not in the liver. Furthermore, the transcriptome of the subclones varied according to their metastatic niche. We also identified a reversible niche-driven signature that was conserved in lung and liver metastases collected during patient autopsies. Among this signature, we found that the tumor necrosis factor-α pathway was up-regulated in lung compared to liver metastases, and inhibition of this pathway affected metastasis diversity. These results highlight that the cellular and molecular heterogeneity observed in metastases is largely dictated by the tumor microenvironment.
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Affiliation(s)
- Jean Berthelet
- Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia.
- School of Cancer Medicine, La Trobe University, Bundoora, VIC 3086, Australia
| | - Verena C Wimmer
- Advanced Technology and Biology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
- Department of Medical Biology, Faculty of Medicine, Dentistry, and Health Science, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Holly J Whitfield
- Department of Medical Biology, Faculty of Medicine, Dentistry, and Health Science, The University of Melbourne, Parkville, VIC 3010, Australia
- Bioinformatics Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
| | - Antonin Serrano
- Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia
- Department of Medical Biology, Faculty of Medicine, Dentistry, and Health Science, The University of Melbourne, Parkville, VIC 3010, Australia
- Immunology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
| | - Thomas Boudier
- Advanced Technology and Biology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
- Department of Medical Biology, Faculty of Medicine, Dentistry, and Health Science, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Stefano Mangiola
- Department of Medical Biology, Faculty of Medicine, Dentistry, and Health Science, The University of Melbourne, Parkville, VIC 3010, Australia
- Bioinformatics Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
| | - Michal Merdas
- Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia
- School of Cancer Medicine, La Trobe University, Bundoora, VIC 3086, Australia
| | - Farrah El-Saafin
- Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia
- School of Cancer Medicine, La Trobe University, Bundoora, VIC 3086, Australia
| | - David Baloyan
- Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia
- School of Cancer Medicine, La Trobe University, Bundoora, VIC 3086, Australia
| | - Jordan Wilcox
- Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia
- School of Cancer Medicine, La Trobe University, Bundoora, VIC 3086, Australia
| | - Steven Wilcox
- Advanced Technology and Biology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
- Department of Medical Biology, Faculty of Medicine, Dentistry, and Health Science, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Adam C Parslow
- Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia
- School of Cancer Medicine, La Trobe University, Bundoora, VIC 3086, Australia
| | - Anthony T Papenfuss
- Department of Medical Biology, Faculty of Medicine, Dentistry, and Health Science, The University of Melbourne, Parkville, VIC 3010, Australia
- Bioinformatics Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
- Peter MacCallum Cancer Centre, Melbourne, VIC 3000, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, VIC 3000, Australia
| | - Belinda Yeo
- Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia
- School of Cancer Medicine, La Trobe University, Bundoora, VIC 3086, Australia
- Austin Health, Heidelberg, VIC 3084, Australia
| | - Matthias Ernst
- Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia
- School of Cancer Medicine, La Trobe University, Bundoora, VIC 3086, Australia
| | - Bhupinder Pal
- Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia
- School of Cancer Medicine, La Trobe University, Bundoora, VIC 3086, Australia
| | - Robin L Anderson
- Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia
- School of Cancer Medicine, La Trobe University, Bundoora, VIC 3086, Australia
- Peter MacCallum Cancer Centre, Melbourne, VIC 3000, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, VIC 3000, Australia
| | - Melissa J Davis
- Department of Medical Biology, Faculty of Medicine, Dentistry, and Health Science, The University of Melbourne, Parkville, VIC 3010, Australia
- Bioinformatics Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
- Department of Clinical Pathology, Faculty of Medicine, Dentistry, and Health Science, The University of Melbourne, Melbourne, VIC 3000, Australia
| | - Kelly L Rogers
- Advanced Technology and Biology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
- Department of Medical Biology, Faculty of Medicine, Dentistry, and Health Science, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Frédéric Hollande
- Department of Clinical Pathology, Faculty of Medicine, Dentistry, and Health Science, The University of Melbourne, Melbourne, VIC 3000, Australia
- University of Melbourne Centre for Cancer Research, Victorian Comprehensive Cancer Centre, Melbourne, VIC 3000, Australia
| | - Delphine Merino
- Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia.
- School of Cancer Medicine, La Trobe University, Bundoora, VIC 3086, Australia
- Department of Medical Biology, Faculty of Medicine, Dentistry, and Health Science, The University of Melbourne, Parkville, VIC 3010, Australia
- Immunology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
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24
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Lieske A, Ha TC, Schambach A, Maetzig T. An improved lentiviral fluorescent genetic barcoding approach distinguishes hematopoietic stem cell properties in multiplexed in vivo experiments. Hum Gene Ther 2021; 32:1280-1294. [PMID: 34139894 DOI: 10.1089/hum.2021.042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Hematopoietic stem cells (HSC) represent a rare cell population of particular interest for biomedical research and regenerative medicine. Various marker combinations enable the isolation of HSCs but fail to reach purity in transplantation assays. To reduce animal consumption, we developed a multiplexing system based on lentiviral fluorescent genetic barcoding (FGB) to enable the parallel characterization of multiple HSC samples within single animals. While previous FGB-mediated HSC multiplexing experiments achieved high in vitro gene marking rates, in vivo persistence of transduced cells remained sub-optimal. Thus, we aimed to optimize vector design and gene transfer protocols to demonstrate the applicability of FGB for functional characterization of two highly similar HSC populations in a reduced number of mice. We developed a set of 6 new lentiviral FGB vectors, utilizing individual and combinatorial expression of Azami Green, mCherry, and YFP derivatives. Gene transfer rates were optimized by overnight transduction of pre-stimulated HSCs with titrated vector doses. Populations for competitive transplantation experiments were identified by immunophenotyping murine HSCs. This identified an LSK-SLAM- (Lin-Sca-1+cKit+CD48-CD150+EPCR-) cell subpopulation that lacks EPCR expression and exhibits prospectively reduced self-renewal potential compared with prototypical ESLAM (CD45+EPCR+CD48-CD150+) HSCs. We monitored 30 data points per HSC-subpopulation in two independent experiments (each n=5) after co-transplantation of 3 uniquely color-coded ESLAM and LSK-SLAM- samples per recipient. While the first experiment was hampered by data fluctuations, increasing cell numbers and exchange of the internal promoter in the second experiment led to 74.4% chimerism, with 87.1% of fluorescent cells derived from ESLAM HSCs. Furthermore, ESLAM-derived cells produced 88.1% of myeloid cells, which is indicative of their origin from long-term repopulating HSCs. This work verifies the importance of EPCR for long-term repopulating HSCs and demonstrates the applicability of our optimized FGB-driven multiplexing approach for the efficient characterization of blood cell populations in biomedical research.
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Affiliation(s)
- Anna Lieske
- Hannover Medical School, Institute of Experimental Hematology, Hannover, Germany.,Hannover Medical School, Clinic for Pediatric Hematology and Oncology, Hannover, Germany.,Hannover Medical School, 9177, REBIRTH Cluster of Excellence, Hannover, Germany;
| | - Teng-Cheong Ha
- Hannover Medical School, 9177, Institute of Experimental Hematology, Hannover, State..., Germany.,Hannover Medical School, 9177, REBIRTH Cluster of Excellence, Hannover, Germany;
| | - Axel Schambach
- Hannover Medical School, Institute of Experimental Hematology, Hannover, Germany.,Hannover Medical School, 9177, REBIRTH Cluster of Excellence, Hannover, Germany.,Harvard Medical School, 1811, Division of Hematology/Oncology, Boston Children's Hospital, Boston, Massachusetts, United States;
| | - Tobias Maetzig
- Hannover Medical School, Insitute of Experimental Hematology, Hannover, Germany.,Hannover Medical School, Clinic for Pediatric Hematology and Oncology, Hannover, Germany.,Hannover Medical School, 9177, REBIRTH Cluster of Excellence, Hannover, Germany;
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25
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Betjes MA, Zheng X, Kok RNU, van Zon JS, Tans SJ. Cell Tracking for Organoids: Lessons From Developmental Biology. Front Cell Dev Biol 2021; 9:675013. [PMID: 34150770 PMCID: PMC8209328 DOI: 10.3389/fcell.2021.675013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 05/03/2021] [Indexed: 12/20/2022] Open
Abstract
Organoids have emerged as powerful model systems to study organ development and regeneration at the cellular level. Recently developed microscopy techniques that track individual cells through space and time hold great promise to elucidate the organizational principles of organs and organoids. Applied extensively in the past decade to embryo development and 2D cell cultures, cell tracking can reveal the cellular lineage trees, proliferation rates, and their spatial distributions, while fluorescent markers indicate differentiation events and other cellular processes. Here, we review a number of recent studies that exemplify the power of this approach, and illustrate its potential to organoid research. We will discuss promising future routes, and the key technical challenges that need to be overcome to apply cell tracking techniques to organoid biology.
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Affiliation(s)
| | | | | | | | - Sander J Tans
- AMOLF, Amsterdam, Netherlands.,Bionanoscience Department, Kavli Institute of Nanoscience Delft, Delft University of Technology, Delft, Netherlands
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26
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Tang Y, Zhuang Y, Zhang S, Smith ZJ, Li Y, Mu X, Li M, He C, Zheng X, Pan F, Gao T, Zhang L. Azo-Enhanced Raman Scattering for Enhancing the Sensitivity and Tuning the Frequency of Molecular Vibrations. ACS CENTRAL SCIENCE 2021; 7:768-780. [PMID: 34079895 PMCID: PMC8161494 DOI: 10.1021/acscentsci.1c00117] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Indexed: 05/14/2023]
Abstract
Raman scattering provides stable narrow-banded signals that potentially allow for multicolor microscopic imaging. The major obstacle for the applications of Raman spectroscopy and microscopy is the small cross section of Raman scattering that results in low sensitivity. Here, we report a new concept of azo-enhanced Raman scattering (AERS) by designing the intrinsic molecular structures using resonance Raman and concomitant fluorescence quenching strategies. Based on the selection of vibrational modes and the enhancing unit of azobenzenes, we obtained a library of AERS molecules with specific Raman signals in the fingerprint and silent frequency regions. The spectral characterization and molecular simulation revealed that the azobenzene unit conjugated to the vibrational modes significantly enhanced Raman signals due to the mechanism of extending the conjugation system, coupling the electronic-vibrational transitions, and improving the symmetry of vibrational modes. The nonradiative decay of azobenzene from the excited state quenched the commitment fluorescence, thus providing a clean background for identifying Raman scattering. The most sensitive AERS molecules produced Raman signals of more than 4 orders of magnitude compared to 5-ethynyl-2'-deoxyuridine (EdU). In addition, a frequency tunability of 10 distinct Raman bands was achieved by selecting different types of vibrational modes. This methodology of AERS allows for designing small-molecule Raman probes to visualize various entities in complex systems by multicolor spontaneous Raman imaging. It will open new prospects to explore innovative applications of AERS in interdisciplinary research fields.
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Affiliation(s)
- Yuchen Tang
- China
Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, Wuhan 430079, China
- College
of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Yongpeng Zhuang
- China
Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, Wuhan 430079, China
- College
of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Shaohua Zhang
- China
Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, Wuhan 430079, China
- College
of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Zachary J. Smith
- Department
of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei 230027, China
| | - Yuee Li
- School
of Information Science and Engineering, Lanzhou University, Lanzhou 730000, China
| | - Xijiao Mu
- School
of Information Science and Engineering, Lanzhou University, Lanzhou 730000, China
| | - Mengna Li
- China
Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, Wuhan 430079, China
- College
of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Caili He
- China
Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, Wuhan 430079, China
- College
of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Xingxing Zheng
- China
Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, Wuhan 430079, China
- College
of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Fangfang Pan
- China
Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, Wuhan 430079, China
- College
of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Tingjuan Gao
- China
Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, Wuhan 430079, China
- College
of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Lizhi Zhang
- China
Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, Wuhan 430079, China
- College
of Chemistry, Central China Normal University, Wuhan 430079, China
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27
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Gonzalez Rajal A, Marzec KA, McCloy RA, Nobis M, Chin V, Hastings JF, Lai K, Kennerson M, Hughes WE, Vaghjiani V, Timpson P, Cain JE, Watkins DN, Croucher DR, Burgess A. A non-genetic, cell cycle-dependent mechanism of platinum resistance in lung adenocarcinoma. eLife 2021; 10:65234. [PMID: 33983115 PMCID: PMC8169122 DOI: 10.7554/elife.65234] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 05/11/2021] [Indexed: 12/15/2022] Open
Abstract
We previously used a pulse-based in vitro assay to unveil targetable signalling pathways associated with innate cisplatin resistance in lung adenocarcinoma (Hastings et al., 2020). Here, we advanced this model system and identified a non-genetic mechanism of resistance that drives recovery and regrowth in a subset of cells. Using RNAseq and a suite of biosensors to track single-cell fates both in vitro and in vivo, we identified that early S phase cells have a greater ability to maintain proliferative capacity, which correlated with reduced DNA damage over multiple generations. In contrast, cells in G1, late S or those treated with PARP/RAD51 inhibitors, maintained higher levels of DNA damage and underwent prolonged S/G2 phase arrest and senescence. Combined with our previous work, these data indicate that there is a non-genetic mechanism of resistance in human lung adenocarcinoma that is dependent on the cell cycle stage at the time of cisplatin exposure.
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Affiliation(s)
- Alvaro Gonzalez Rajal
- ANZAC Research Institute, Concord Hospital, Concord, Australia.,Garvan Institute of Medical Research, Sydney, Australia.,St Vincent's Hospital Clinical School, University of New South Wales, Sydney, Australia
| | - Kamila A Marzec
- ANZAC Research Institute, Concord Hospital, Concord, Australia
| | - Rachael A McCloy
- The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Sydney, Australia
| | - Max Nobis
- St Vincent's Hospital Clinical School, University of New South Wales, Sydney, Australia.,The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Sydney, Australia
| | - Venessa Chin
- St Vincent's Hospital Clinical School, University of New South Wales, Sydney, Australia.,The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Sydney, Australia.,St Vincent's Hospital Sydney, Darlinghurst, Australia
| | - Jordan F Hastings
- The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Sydney, Australia
| | - Kaitao Lai
- ANZAC Research Institute, Concord Hospital, Concord, Australia.,The University of Sydney Concord Clinical School, Faculty of Medicine and Health, Sydney, Australia
| | - Marina Kennerson
- ANZAC Research Institute, Concord Hospital, Concord, Australia.,The University of Sydney Concord Clinical School, Faculty of Medicine and Health, Sydney, Australia
| | - William E Hughes
- Garvan Institute of Medical Research, Sydney, Australia.,St Vincent's Hospital Clinical School, University of New South Wales, Sydney, Australia.,Children's Medical Research Institute, The University of Sydney, Westmead, Australia
| | | | - Paul Timpson
- St Vincent's Hospital Clinical School, University of New South Wales, Sydney, Australia.,The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Sydney, Australia
| | - Jason E Cain
- Hudson Institute of Medical Research, Clayton, Australia.,Department of Molecular and Translational Medicine, School of Medicine, Nursing and Health Sciences, Monash University, Clayton, Australia
| | - D Neil Watkins
- Research Institute in Oncology and Hematology, CancerCare Manitoba, Winnipeg, Canada.,Department of Internal Medicine, Rady Faculty of Health Science, University of Manitoba, Winnipeg, Canada
| | - David R Croucher
- St Vincent's Hospital Clinical School, University of New South Wales, Sydney, Australia.,The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Sydney, Australia
| | - Andrew Burgess
- ANZAC Research Institute, Concord Hospital, Concord, Australia
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28
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Gambera S, Patiño-Garcia A, Alfranca A, Garcia-Castro J. RGB-Marking to Identify Patterns of Selection and Neutral Evolution in Human Osteosarcoma Models. Cancers (Basel) 2021; 13:2003. [PMID: 33919355 PMCID: PMC8122697 DOI: 10.3390/cancers13092003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 04/05/2021] [Accepted: 04/19/2021] [Indexed: 12/29/2022] Open
Abstract
Osteosarcoma (OS) is a highly aggressive tumor characterized by malignant cells producing pathologic bone; the disease presents a natural tendency to metastasize. Genetic studies indicate that the OS genome is extremely complex, presenting signs of macro-evolution, and linear and branched patterns of clonal development. However, those studies were based on the phylogenetic reconstruction of next-generation sequencing (NGS) data, which present important limitations. Thus, testing clonal evolution in experimental models could be useful for validating this hypothesis. In the present study, lentiviral LeGO-vectors were employed to generate colorimetric red, green, blue (RGB)-marking in murine, canine, and human OS. With this strategy, we studied tumor heterogeneity and the clonal dynamics occurring in vivo in immunodeficient NOD.Cg-Prkdcscid-Il2rgtm1Wjl/SzJ (NSG) mice. Based on colorimetric label, tumor clonal composition was analyzed by confocal microscopy, flow cytometry, and different types of supervised and unsupervised clonal analyses. With this approach, we observed a consistent reduction in the clonal composition of RGB-marked tumors and identified evident clonal selection at the first passage in immunodeficient mice. Furthermore, we also demonstrated that OS could follow a neutral model of growth, where the disease is defined by the coexistence of different tumor sub-clones. Our study demonstrates the importance of rigorous testing of the selective forces in commonly used experimental models.
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Affiliation(s)
- Stefano Gambera
- Cellular Biotechnology Unit, Instituto de Salud Carlos III, 28220 Madrid, Spain; (S.G.); (A.A.)
| | - Ana Patiño-Garcia
- Department of Pediatrics, Laboratory of Advanced Therapies for Pediatric Solid Tumors, Solid Tumor Area, CIMA and Instituto de Investigación Sanitaria de Navarra, University Clinic of Navarra, IdiSNA, 31008 Pamplona, Spain;
| | - Arantzazu Alfranca
- Cellular Biotechnology Unit, Instituto de Salud Carlos III, 28220 Madrid, Spain; (S.G.); (A.A.)
- Immunology Department, Hospital Universitario de La Princesa, 28006 Madrid, Spain
| | - Javier Garcia-Castro
- Cellular Biotechnology Unit, Instituto de Salud Carlos III, 28220 Madrid, Spain; (S.G.); (A.A.)
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29
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Figueres-Oñate M, Sánchez-González R, López-Mascaraque L. Deciphering neural heterogeneity through cell lineage tracing. Cell Mol Life Sci 2021; 78:1971-1982. [PMID: 33151389 PMCID: PMC7966193 DOI: 10.1007/s00018-020-03689-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 10/10/2020] [Accepted: 10/20/2020] [Indexed: 12/21/2022]
Abstract
Understanding how an adult brain reaches an appropriate size and cell composition from a pool of progenitors that proliferates and differentiates is a key question in Developmental Neurobiology. Not only the control of final size but also, the proper arrangement of cells of different embryonic origins is fundamental in this process. Each neural progenitor has to produce a precise number of sibling cells that establish clones, and all these clones will come together to form the functional adult nervous system. Lineage cell tracing is a complex and challenging process that aims to reconstruct the offspring that arise from a single progenitor cell. This tracing can be achieved through strategies based on genetically modified organisms, using either genetic tracers, transfected viral vectors or DNA constructs, and even single-cell sequencing. Combining different reporter proteins and the use of transgenic mice revolutionized clonal analysis more than a decade ago and now, the availability of novel genome editing tools and single-cell sequencing techniques has vastly improved the capacity of lineage tracing to decipher progenitor potential. This review brings together the strategies used to study cell lineages in the brain and the role they have played in our understanding of the functional clonal relationships among neural cells. In addition, future perspectives regarding the study of cell heterogeneity and the ontogeny of different cell lineages will also be addressed.
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Affiliation(s)
- María Figueres-Oñate
- Department of Molecular, Cellular and Development Neurobiology, Instituto Cajal-CSIC, 28002, Madrid, Spain
- Max Planck Research Unit for Neurogenetics, 60438, Frankfurt am Main, Germany
| | - Rebeca Sánchez-González
- Department of Molecular, Cellular and Development Neurobiology, Instituto Cajal-CSIC, 28002, Madrid, Spain
| | - Laura López-Mascaraque
- Department of Molecular, Cellular and Development Neurobiology, Instituto Cajal-CSIC, 28002, Madrid, Spain.
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30
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Maire CL, Mohme M, Bockmayr M, Fita KD, Riecken K, Börnigen D, Alawi M, Failla A, Kolbe K, Zapf S, Holz M, Neumann K, Dührsen L, Lange T, Fehse B, Westphal M, Lamszus K. Glioma escape signature and clonal development under immune pressure. J Clin Invest 2021; 130:5257-5271. [PMID: 32603315 DOI: 10.1172/jci138760] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 06/24/2020] [Indexed: 12/21/2022] Open
Abstract
Immunotherapeutic strategies are increasingly important in neuro-oncology, and the elucidation of escape mechanisms that lead to treatment resistance is crucial. We investigated the impact of immune pressure on the clonal dynamics and immune escape signature by comparing glioma growth in immunocompetent versus immunodeficient mice. Glioma-bearing WT and Pd-1-/- mice survived significantly longer than immunodeficient Pfp-/- Rag2-/- mice. While tumors in Pfp-/- Rag2-/- mice were highly polyclonal, immunoedited tumors in WT and Pd-1-/- mice displayed reduced clonality with emergence of immune escape clones. Tumor cells in WT mice were distinguished by an IFN-γ-mediated response signature with upregulation of genes involved in immunosuppression. Tumor-infiltrating stromal cells, which include macrophages/microglia, contributed even more strongly to the immunosuppressive signature than the actual tumor cells. The identified murine immune escape signature was reflected in human patients and correlated with poor survival. In conclusion, immune pressure profoundly shapes the clonal composition and gene regulation in malignant gliomas.
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Affiliation(s)
| | | | - Michael Bockmayr
- Department of Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Institute of Pathology, Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt University Berlin and Berlin Institute of Health, Berlin, Germany
| | | | - Kristoffer Riecken
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation
| | | | | | | | | | | | | | | | | | - Tobias Lange
- Institutes of Anatomy, Experimental Morphology and Pathology, University Cancer Center Hamburg, Hamburg, Germany
| | - Boris Fehse
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation
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31
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Liang Y, Walczak P. Long term intravital single cell tracking under multiphoton microscopy. J Neurosci Methods 2020; 349:109042. [PMID: 33340557 DOI: 10.1016/j.jneumeth.2020.109042] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 12/07/2020] [Accepted: 12/11/2020] [Indexed: 12/13/2022]
Abstract
Visualizing and tracking cells over time in a living organism has been a much-coveted dream before the invention of intravital microscopy. The opaque nature of tissue was a major hurdle that was remedied by the multiphoton microscopy. With the advancement of optical imaging and fluorescent labeling tools, intravital high resolution imaging has become increasingly accessible over the past few years. Long-term intravital tracking of single cells (LIST) under multiphoton microscopy provides a unique opportunity to gain insight into the longitudinal changes in the morphology, migration, or function of cells or subcellular structures. It is particularly suitable for studying slow-evolving cellular and molecular events during normal development or disease progression, without losing the opportunity of catching fast events such as calcium signals. Here, we review the application of LIST under 2-photon microscopy in various fields of neurobiology and discuss challenges and new directions in labeling and imaging methods for LIST. Overall, this review provides an overview of current applications of LIST in mammals, which is an emerging field that will contribute to a better understanding of essential molecular and cellular events in health and disease.
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Affiliation(s)
- Yajie Liang
- Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, USA.
| | - Piotr Walczak
- Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
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32
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de Roo JJ, Staal FJ. Cell Signaling Pathway Reporters in Adult Hematopoietic Stem Cells. Cells 2020; 9:E2264. [PMID: 33050292 PMCID: PMC7599984 DOI: 10.3390/cells9102264] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 09/27/2020] [Accepted: 10/03/2020] [Indexed: 12/28/2022] Open
Abstract
Hematopoietic stem cells (HSCs) develop at several anatomical locations and are thought to undergo different niche regulatory cues originating from highly conserved cell signaling pathways, such as Wnt, Notch, TGF-β family, and Hedgehog signaling. Most insight into these pathways has been obtained by reporter models and loss- or gain of function experiments, yet results differ in many cases according to the approach. In this review, we discuss existing murine reporter models regarding these pathways, considering the genetic constructs and reporter proteins in the context of HSC studies; yet these models are relevant for all other stem cell systems. Lastly, we describe a multi-reporter model to properly study and understand the cross-pathway interaction and how reporter models are highly valuable tools to understand complex signaling dynamics in stem cells.
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Affiliation(s)
| | - Frank. J.T. Staal
- Department of Immunology, L3-Q, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands;
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33
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Pericoli G, Petrini S, Giorda E, Ferretti R, Ajmone-Cat MA, Court W, Conti LA, De Simone R, Bencivenga P, Palma A, Di Giannatale A, Jones C, Carai A, Mastronuzzi A, de Billy E, Locatelli F, Vinci M. Integration of Multiple Platforms for the Analysis of Multifluorescent Marking Technology Applied to Pediatric GBM and DIPG. Int J Mol Sci 2020; 21:E6763. [PMID: 32942636 PMCID: PMC7555235 DOI: 10.3390/ijms21186763] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 09/10/2020] [Accepted: 09/13/2020] [Indexed: 12/15/2022] Open
Abstract
The intratumor heterogeneity represents one of the most difficult challenges for the development of effective therapies to treat pediatric glioblastoma (pGBM) and diffuse intrinsic pontine glioma (DIPG). These brain tumors are composed of heterogeneous cell subpopulations that coexist and cooperate to build a functional network responsible for their aggressive phenotype. Understanding the cellular and molecular mechanisms sustaining such network will be crucial for the identification of new therapeutic strategies. To study more in-depth these mechanisms, we sought to apply the Multifluorescent Marking Technology. We generated multifluorescent pGBM and DIPG bulk cell lines randomly expressing six different fluorescent proteins and from which we derived stable optical barcoded single cell-derived clones. In this study, we focused on the application of the Multifluorescent Marking Technology in 2D and 3D in vitro/ex vivo culture systems. We discuss how we integrated different multimodal fluorescence analysis platforms, identifying their strengths and limitations, to establish the tools that will enable further studies on the intratumor heterogeneity and interclonal interactions in pGBM and DIPG.
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Affiliation(s)
- Giulia Pericoli
- Department of Onco-Hematology, Cell and Gene Therapy, Bambino Gesù Children’s Hospital—IRCCS, 00146 Rome, Italy; (G.P.); (R.F.); (A.D.G.); (A.M.); (E.d.B.); (F.L.)
| | - Stefania Petrini
- Confocal Microscopy Core Facility, Research Center, Bambino Gesù Children’s Hospital—IRCCS, 00146 Rome, Italy; (S.P.); (L.A.C.)
| | - Ezio Giorda
- FACs Core Facility, Bambino Gesù Children’s Hospital—IRCCS, 00146 Rome, Italy;
| | - Roberta Ferretti
- Department of Onco-Hematology, Cell and Gene Therapy, Bambino Gesù Children’s Hospital—IRCCS, 00146 Rome, Italy; (G.P.); (R.F.); (A.D.G.); (A.M.); (E.d.B.); (F.L.)
| | - Maria Antonietta Ajmone-Cat
- National Centre for Drug Research and Evaluation, Istituto Superiore di Sanità, 00161 Rome, Italy; (M.A.A.-C.); (R.D.S.)
| | - Will Court
- Cancer Research UK Cancer Therapeutics Unit, The Institute of Cancer Research, Sutton SM2 5NG, UK;
| | - Libenzio Adrian Conti
- Confocal Microscopy Core Facility, Research Center, Bambino Gesù Children’s Hospital—IRCCS, 00146 Rome, Italy; (S.P.); (L.A.C.)
| | - Roberta De Simone
- National Centre for Drug Research and Evaluation, Istituto Superiore di Sanità, 00161 Rome, Italy; (M.A.A.-C.); (R.D.S.)
| | - Paola Bencivenga
- Research Laboratories, Bambino Gesù Children’s Hospital—IRCCS, 00146 Rome, Italy; (P.B.); (A.P.)
| | - Alessia Palma
- Research Laboratories, Bambino Gesù Children’s Hospital—IRCCS, 00146 Rome, Italy; (P.B.); (A.P.)
| | - Angela Di Giannatale
- Department of Onco-Hematology, Cell and Gene Therapy, Bambino Gesù Children’s Hospital—IRCCS, 00146 Rome, Italy; (G.P.); (R.F.); (A.D.G.); (A.M.); (E.d.B.); (F.L.)
| | - Chris Jones
- Division of Molecular Pathology, Institute of Cancer Research, Sutton SM2 5NG, UK;
| | - Andrea Carai
- Department of Neuroscience and Neurorehabilitation, Bambino Gesù Children’s Hospital—IRCCS, 00165 Rome, Italy;
| | - Angela Mastronuzzi
- Department of Onco-Hematology, Cell and Gene Therapy, Bambino Gesù Children’s Hospital—IRCCS, 00146 Rome, Italy; (G.P.); (R.F.); (A.D.G.); (A.M.); (E.d.B.); (F.L.)
| | - Emmanuel de Billy
- Department of Onco-Hematology, Cell and Gene Therapy, Bambino Gesù Children’s Hospital—IRCCS, 00146 Rome, Italy; (G.P.); (R.F.); (A.D.G.); (A.M.); (E.d.B.); (F.L.)
| | - Franco Locatelli
- Department of Onco-Hematology, Cell and Gene Therapy, Bambino Gesù Children’s Hospital—IRCCS, 00146 Rome, Italy; (G.P.); (R.F.); (A.D.G.); (A.M.); (E.d.B.); (F.L.)
| | - Maria Vinci
- Department of Onco-Hematology, Cell and Gene Therapy, Bambino Gesù Children’s Hospital—IRCCS, 00146 Rome, Italy; (G.P.); (R.F.); (A.D.G.); (A.M.); (E.d.B.); (F.L.)
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34
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Hoffmann B, Lange T, Labitzky V, Riecken K, Wree A, Schumacher U, Wedemann G. The initial engraftment of tumor cells is critical for the future growth pattern: a mathematical study based on simulations and animal experiments. BMC Cancer 2020; 20:524. [PMID: 32503458 PMCID: PMC7275472 DOI: 10.1186/s12885-020-07015-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 05/28/2020] [Indexed: 11/10/2022] Open
Abstract
Background Xenograft mouse tumor models are used to study mechanisms of tumor growth and metastasis formation and to investigate the efficacy of different therapeutic interventions. After injection the engrafted cells form a local tumor nodule. Following an initial lag period of several days, the size of the tumor is measured periodically throughout the experiment using calipers. This method of determining tumor size is error prone because the measurement is two-dimensional (calipers do not measure tumor depth). Primary tumor growth can be described mathematically by suitable growth functions, the choice of which is not always obvious. Growth parameters provide information on tumor growth and are determined by applying nonlinear curve fitting. Methods We used self-generated synthetic data including random measurement errors to research the accuracy of parameter estimation based on caliper measured tumor data. Fit metrics were investigated to identify the most appropriate growth function for a given synthetic dataset. We studied the effects of measuring tumor size at different frequencies on the accuracy and precision of the estimated parameters. For curve fitting with fixed initial tumor volume, we varied this fixed initial volume during the fitting process to investigate the effect on the resulting estimated parameters. We determined the number of surviving engrafted tumor cells after injection using ex vivo bioluminescence imaging, to demonstrate the effect on experiments of incorrect assumptions about the initial tumor volume. Results To select a suitable growth function, measurement data from at least 15 animals should be considered. Tumor volume should be measured at least every three days to estimate accurate growth parameters. Daily measurement of the tumor volume is the most accurate way to improve long-term predictability of tumor growth. The initial tumor volume needs to have a fixed value in order to achieve meaningful results. An incorrect value for the initial tumor volume leads to large deviations in the resulting growth parameters. Conclusions The actual number of cancer cells engrafting directly after subcutaneous injection is critical for future tumor growth and distinctly influences the parameters for tumor growth determined by curve fitting.
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Affiliation(s)
- Bertin Hoffmann
- Competence Center Bioinformatics, Institute for Applied Computer Science, University of Applied Sciences Stralsund, Zur Schwedenschanze 15, 18435, Stralsund, Germany
| | - Tobias Lange
- Institute for Anatomy and Experimental Morphology, University Cancer Center, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
| | - Vera Labitzky
- Institute for Anatomy and Experimental Morphology, University Cancer Center, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
| | - Kristoffer Riecken
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
| | - Andreas Wree
- Institute of Anatomy, Rostock University Medical Center, Gertrudenstraße 9, 18057, Rostock, Germany
| | - Udo Schumacher
- Institute for Anatomy and Experimental Morphology, University Cancer Center, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
| | - Gero Wedemann
- Competence Center Bioinformatics, Institute for Applied Computer Science, University of Applied Sciences Stralsund, Zur Schwedenschanze 15, 18435, Stralsund, Germany.
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35
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Möller J, Rosenberg M, Riecken K, Pörtner R, Zeng AP, Jandt U. Quantification of the dynamics of population heterogeneities in CHO cultures with stably integrated fluorescent markers. Anal Bioanal Chem 2020; 412:2065-2080. [PMID: 32130440 PMCID: PMC7072063 DOI: 10.1007/s00216-020-02401-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 12/20/2019] [Accepted: 01/09/2020] [Indexed: 12/13/2022]
Abstract
Cell population heterogeneities and their changes in mammalian cell culture processes are still not well characterized. In this study, the formation and dynamics of cell population heterogeneities were investigated with flow cytometry and stably integrated fluorescent markers based on the lentiviral gene ontology (LeGO) vector system. To achieve this, antibody-producing CHO cells were transduced with different LeGO vectors to stably express single or multiple fluorescent proteins. This enables the tracking of the transduced populations and is discussed in two case studies from the field of bioprocess engineering: In case study I, cells were co-transduced to express red, green, and blue fluorescent proteins and the development of sub-populations and expression heterogeneities were investigated in high passage cultivations (total 130 days). The formation of a fast-growing and more productive population was observed with a simultaneous increase in cell density and product titer. In case study II, different preculture growth phases and their influence on the population dynamics were investigated in mixed batch cultures with flow cytometry (offline and automated). Four cell line derivatives, each expressing a different fluorescent protein, were generated and cultivated for different time intervals, corresponding to different growth phases. Mixed cultures were inoculated from them, and changes in the composition of the cell populations were observed during the first 48 h of cultivation with reduced process productivity. In summary, we showed how the dynamics of population heterogeneities can be characterized. This represents a novel approach to investigate the dynamics of cell population heterogeneities under near-physiological conditions with changing productivity in mammalian cell culture processes.
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Affiliation(s)
- Johannes Möller
- Hamburg University of Technology, Bioprocess and Biosystems Engineering, Denickestr. 15, 21073, Hamburg, Germany.
| | - Marcel Rosenberg
- Hamburg University of Technology, Bioprocess and Biosystems Engineering, Denickestr. 15, 21073, Hamburg, Germany
| | - Kristoffer Riecken
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Centre (UMC) Hamburg-Eppendorf, Martinistrasse 52, 20246, Hamburg, Germany
| | - Ralf Pörtner
- Hamburg University of Technology, Bioprocess and Biosystems Engineering, Denickestr. 15, 21073, Hamburg, Germany
| | - An-Ping Zeng
- Hamburg University of Technology, Bioprocess and Biosystems Engineering, Denickestr. 15, 21073, Hamburg, Germany
| | - Uwe Jandt
- Hamburg University of Technology, Bioprocess and Biosystems Engineering, Denickestr. 15, 21073, Hamburg, Germany
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36
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Laughney AM, Hu J, Campbell NR, Bakhoum SF, Setty M, Lavallée VP, Xie Y, Masilionis I, Carr AJ, Kottapalli S, Allaj V, Mattar M, Rekhtman N, Xavier JB, Mazutis L, Poirier JT, Rudin CM, Pe'er D, Massagué J. Regenerative lineages and immune-mediated pruning in lung cancer metastasis. Nat Med 2020; 26:259-269. [PMID: 32042191 PMCID: PMC7021003 DOI: 10.1038/s41591-019-0750-6] [Citation(s) in RCA: 228] [Impact Index Per Article: 57.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 12/23/2019] [Indexed: 02/07/2023]
Abstract
Developmental processes underlying normal tissue regeneration have been implicated in cancer, but the degree of their enactment during tumor progression and under the selective pressures of immune surveillance, remain unknown. Here, we show that human primary lung adenocarcinomas are characterized by the emergence of regenerative cell types typically seen in response to lung injury, and by striking infidelity amongst transcription factors specifying most alveolar and bronchial epithelial lineages. In contrast, metastases are enriched for key endoderm and lung-specifying transcription factors, SOX2 and SOX9, and recapitulate more primitive transcriptional programs spanning stem-like to regenerative pulmonary epithelial progenitor states. This developmental continuum mirrors the progressive stages of spontaneous outbreak from metastatic dormancy in a mouse model and exhibits SOX9-dependent resistance to Natural Killer (NK) cells. Loss of developmental stage-specific constraint in macrometastases triggered by NK cell depletion suggests a dynamic interplay between developmental plasticity and immune-mediated pruning during metastasis.
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Affiliation(s)
- Ashley M Laughney
- Cancer Biology and Genetics Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA.,Computational and Systems Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA.,Institute for Computational Biomedicine, Weill Cornell Medicine, New York, NY, USA.,Department of Physiology and Biophysics, Weill Cornell Medicine, New York, NY, USA.,Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
| | - Jing Hu
- Cancer Biology and Genetics Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Nathaniel R Campbell
- Cancer Biology and Genetics Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA.,Computational and Systems Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA.,Tri-Institutional MD-PhD Program, Weill Cornell/Rockefeller University/Sloan Kettering Institute, New York, NY, USA
| | - Samuel F Bakhoum
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA.,Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Manu Setty
- Computational and Systems Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Vincent-Philippe Lavallée
- Computational and Systems Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Yubin Xie
- Computational and Systems Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA.,Tri-Institutional Training Program in Computational Biology and Medicine, Weill Cornell/Rockefeller University/Sloan Kettering Institute, New York, NY, USA
| | - Ignas Masilionis
- Computational and Systems Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA.,The Alan and Sandra Gerry Metastasis and Tumor Ecosystems Center, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Ambrose J Carr
- Computational and Systems Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Sanjay Kottapalli
- Computational and Systems Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA.,The Alan and Sandra Gerry Metastasis and Tumor Ecosystems Center, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Viola Allaj
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA.,Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Marissa Mattar
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA.,Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Natasha Rekhtman
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Joao B Xavier
- Computational and Systems Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Linas Mazutis
- Computational and Systems Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA.,The Alan and Sandra Gerry Metastasis and Tumor Ecosystems Center, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - John T Poirier
- Perlmutter Cancer Center, New York University Langone Health, New York, NY, USA
| | - Charles M Rudin
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA.,Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Dana Pe'er
- Computational and Systems Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA. .,Parker Institute for Cancer Immunotherapy, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
| | - Joan Massagué
- Cancer Biology and Genetics Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
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37
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Roh V, Abramowski P, Hiou-Feige A, Cornils K, Rivals JP, Zougman A, Aranyossy T, Thielecke L, Truan Z, Mermod M, Monnier Y, Prassolov V, Glauche I, Nowrouzi A, Abdollahi A, Fehse B, Simon C, Tolstonog GV. Cellular Barcoding Identifies Clonal Substitution as a Hallmark of Local Recurrence in a Surgical Model of Head and Neck Squamous Cell Carcinoma. Cell Rep 2019; 25:2208-2222.e7. [PMID: 30463016 DOI: 10.1016/j.celrep.2018.10.090] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Revised: 09/04/2018] [Accepted: 10/24/2018] [Indexed: 01/04/2023] Open
Abstract
Local recurrence after surgery for head and neck squamous cell carcinoma (HNSCC) remains a common event associated with a dismal prognosis. Improving this outcome requires a better understanding of cancer cell populations that expand from postsurgical minimal residual disease (MRD). Therefore, we assessed clonal dynamics in a surgical model of barcoded HNSCC growing in the submental region of immunodeficient mice. Clonal substitution and massive reduction of clonal heterogeneity emerged as hallmarks of local recurrence, as the clones dominating in less heterogeneous recurrences were scarce in their matched primary tumors. These lineages were selected by their ability to persist after surgery and competitively expand from MRD. Clones enriched in recurrences exhibited both private and shared genetic features and likely originated from ancestors shared with clones dominating in primary tumors. They demonstrated high invasiveness and epithelial-to-mesenchymal transition, eventually providing an attractive target for obtaining better local control for these tumors.
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Affiliation(s)
- Vincent Roh
- Department of Otolaryngology - Head and Neck Surgery, University Hospital of Lausanne, Lausanne, Switzerland
| | - Pierre Abramowski
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Agnès Hiou-Feige
- Department of Otolaryngology - Head and Neck Surgery, University Hospital of Lausanne, Lausanne, Switzerland
| | - Kerstin Cornils
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Jean-Paul Rivals
- Department of Otolaryngology - Head and Neck Surgery, University Hospital of Lausanne, Lausanne, Switzerland
| | - Alexandre Zougman
- Clinical and Biomedical Proteomics Group, Cancer Research UK Centre, Leeds Institute of Cancer and Pathology, St. James's University Hospital, Leeds, UK
| | - Tim Aranyossy
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Lars Thielecke
- Institute for Medical Informatics and Biometry, Faculty of Medicine Carl Gustave Carus, Technische Universität Dresden, Dresden, Germany
| | - Zinnia Truan
- Department of Otolaryngology - Head and Neck Surgery, University Hospital of Lausanne, Lausanne, Switzerland
| | - Maxime Mermod
- Department of Otolaryngology - Head and Neck Surgery, University Hospital of Lausanne, Lausanne, Switzerland
| | - Yan Monnier
- Department of Otolaryngology - Head and Neck Surgery, University Hospital of Lausanne, Lausanne, Switzerland
| | - Vladimir Prassolov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - Ingmar Glauche
- Institute for Medical Informatics and Biometry, Faculty of Medicine Carl Gustave Carus, Technische Universität Dresden, Dresden, Germany
| | - Ali Nowrouzi
- German Cancer Consortium (DKTK), Translational Radiation Oncology, German Cancer Research Center (DKFZ), Core Center Heidelberg, Heidelberg, Germany; Division of Molecular and Translational Radiation Oncology, Heidelberg University Hospital (UKHD) and DKFZ, Heidelberg Institute of Radiation Oncology (HIRO), National Center for Radiation Research in Oncology (NCRO), Heidelberg, Germany
| | - Amir Abdollahi
- German Cancer Consortium (DKTK), Translational Radiation Oncology, German Cancer Research Center (DKFZ), Core Center Heidelberg, Heidelberg, Germany; Division of Molecular and Translational Radiation Oncology, Heidelberg University Hospital (UKHD) and DKFZ, Heidelberg Institute of Radiation Oncology (HIRO), National Center for Radiation Research in Oncology (NCRO), Heidelberg, Germany
| | - Boris Fehse
- Research Department Cell and Gene Therapy, Department of Stem Cell Transplantation, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany.
| | - Christian Simon
- Department of Otolaryngology - Head and Neck Surgery, University Hospital of Lausanne, Lausanne, Switzerland.
| | - Genrich V Tolstonog
- Department of Otolaryngology - Head and Neck Surgery, University Hospital of Lausanne, Lausanne, Switzerland.
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38
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de Roo JJD, Vloemans SA, Vrolijk H, de Haas EFE, Staal FJT. Development of an in vivo model to study clonal lineage relationships in hematopoietic cells using Brainbow2.1/Confetti mice. Future Sci OA 2019; 5:FSO427. [PMID: 31827896 PMCID: PMC6900974 DOI: 10.2144/fsoa-2019-0083] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Accepted: 09/19/2019] [Indexed: 12/24/2022] Open
Abstract
Hematopoietic stem cells maintain the homeostasis of all blood cell progeny during development and repopulation-demanding events. To study the lineage relationships during hematopoiesis, increasingly complex cell tracing models are being developed. In this study, we describe adaptations to the original R26R-Confetti mouse model, which subsequently offers a relatively easy approach to study low complexity clonality during hematopoiesis, with special focus on B and T lymphocyte development. This protocol employs spatiotemporal Cre expression controlled by gammaretroviral transduction for efficient fluorescent protein cell marking. Transplantation of fluorescently marked Lin- cKit+ hematopoietic progenitor cells into Rag1-/- mice, resulted in the visualization of differentially contributing stem cell clones to various lineages. Our methodology is useful to study questions in fundamental and preclinical hematopoietic research and in vivo B- and T-cell development.
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Affiliation(s)
- Jolanda JD de Roo
- Department of Immunohematology & Blood Transfusion, Leiden University Medical Center, Leiden, The Netherlands
| | - Sandra A Vloemans
- Department of Immunohematology & Blood Transfusion, Leiden University Medical Center, Leiden, The Netherlands
| | - Hans Vrolijk
- Department of Cell & Chemical Biology, Leiden University Medical Center, Leiden, The Netherlands
| | - Edwin FE de Haas
- Department of Immunohematology & Blood Transfusion, Leiden University Medical Center, Leiden, The Netherlands
| | - Frank JT Staal
- Department of Immunohematology & Blood Transfusion, Leiden University Medical Center, Leiden, The Netherlands
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39
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Labuhn M, Perkins K, Matzk S, Varghese L, Garnett C, Papaemmanuil E, Metzner M, Kennedy A, Amstislavskiy V, Risch T, Bhayadia R, Samulowski D, Hernandez DC, Stoilova B, Iotchkova V, Oppermann U, Scheer C, Yoshida K, Schwarzer A, Taub JW, Crispino JD, Weiss MJ, Hayashi Y, Taga T, Ito E, Ogawa S, Reinhardt D, Yaspo ML, Campbell PJ, Roberts I, Constantinescu SN, Vyas P, Heckl D, Klusmann JH. Mechanisms of Progression of Myeloid Preleukemia to Transformed Myeloid Leukemia in Children with Down Syndrome. Cancer Cell 2019; 36:123-138.e10. [PMID: 31303423 PMCID: PMC6863161 DOI: 10.1016/j.ccell.2019.06.007] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 04/07/2019] [Accepted: 06/11/2019] [Indexed: 12/22/2022]
Abstract
Myeloid leukemia in Down syndrome (ML-DS) clonally evolves from transient abnormal myelopoiesis (TAM), a preleukemic condition in DS newborns. To define mechanisms of leukemic transformation, we combined exome and targeted resequencing of 111 TAM and 141 ML-DS samples with functional analyses. TAM requires trisomy 21 and truncating mutations in GATA1; additional TAM variants are usually not pathogenic. By contrast, in ML-DS, clonal and subclonal variants are functionally required. We identified a recurrent and oncogenic hotspot gain-of-function mutation in myeloid cytokine receptor CSF2RB. By a multiplex CRISPR/Cas9 screen in an in vivo murine TAM model, we tested loss-of-function of 22 recurrently mutated ML-DS genes. Loss of 18 different genes produced leukemias that phenotypically, genetically, and transcriptionally mirrored ML-DS.
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MESH Headings
- Animals
- Biomarkers, Tumor/genetics
- Cell Transformation, Neoplastic/genetics
- Chromosomes, Human, Pair 21
- Cytokine Receptor Common beta Subunit/genetics
- Disease Models, Animal
- Disease Progression
- Down Syndrome/diagnosis
- Down Syndrome/genetics
- GATA1 Transcription Factor/genetics
- GATA1 Transcription Factor/metabolism
- Gene Expression Regulation, Leukemic
- Genetic Predisposition to Disease
- HEK293 Cells
- Humans
- Leukemia, Myeloid/diagnosis
- Leukemia, Myeloid/genetics
- Leukemia, Myeloid/pathology
- Leukemoid Reaction/diagnosis
- Leukemoid Reaction/genetics
- Mice, Inbred C57BL
- Mice, Inbred NOD
- Mice, Transgenic
- Mutation
- Phenotype
- Transcription, Genetic
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Affiliation(s)
- Maurice Labuhn
- Pediatric Hematology and Oncology, Hannover Medical School, 30625 Hannover, Germany
| | - Kelly Perkins
- MRC MHU, BRC Hematology Theme, Oxford Biomedical Research Centre, Oxford Centre for Haematology, WIMM, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DU, UK
| | - Sören Matzk
- Pediatric Hematology and Oncology, Martin-Luther-University Halle-Wittenberg, 06120 Halle, Germany; Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
| | - Leila Varghese
- Ludwig Institute for Cancer Research Brussels Branch, 1200 Brussels, Belgium
| | - Catherine Garnett
- MRC MHU, BRC Hematology Theme, Oxford Biomedical Research Centre, Oxford Centre for Haematology, WIMM, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DU, UK
| | - Elli Papaemmanuil
- Departments of Epidemiology and Biostatistics and Cancer Biology, MSKCC, New York, NY 10065, USA
| | - Marlen Metzner
- MRC MHU, BRC Hematology Theme, Oxford Biomedical Research Centre, Oxford Centre for Haematology, WIMM, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DU, UK
| | - Alison Kennedy
- MRC MHU, BRC Hematology Theme, Oxford Biomedical Research Centre, Oxford Centre for Haematology, WIMM, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DU, UK
| | | | - Thomas Risch
- Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
| | - Raj Bhayadia
- Pediatric Hematology and Oncology, Martin-Luther-University Halle-Wittenberg, 06120 Halle, Germany
| | - David Samulowski
- Pediatric Hematology and Oncology, Martin-Luther-University Halle-Wittenberg, 06120 Halle, Germany
| | - David Cruz Hernandez
- MRC MHU, BRC Hematology Theme, Oxford Biomedical Research Centre, Oxford Centre for Haematology, WIMM, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DU, UK
| | - Bilyana Stoilova
- MRC MHU, BRC Hematology Theme, Oxford Biomedical Research Centre, Oxford Centre for Haematology, WIMM, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DU, UK
| | - Valentina Iotchkova
- MRC MHU, BRC Hematology Theme, Oxford Biomedical Research Centre, Oxford Centre for Haematology, WIMM, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DU, UK
| | - Udo Oppermann
- Botnar Research Centre, NDORMS, Oxford NIHR BRC and Structural Genomics Consortium, UK University of Oxford, Oxford OX3 7LD, UK
| | - Carina Scheer
- Pediatric Hematology and Oncology, Hannover Medical School, 30625 Hannover, Germany
| | - Kenichi Yoshida
- Department of Pathology and Tumor Biology, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto 606-8315 Japan
| | - Adrian Schwarzer
- Pediatric Hematology and Oncology, Hannover Medical School, 30625 Hannover, Germany
| | - Jeffrey W Taub
- Division of Pediatric Hematology/Oncology, Children's Hospital of Michigan, Wayne State University School of Medicine, Detroit, MI 48201, USA
| | - John D Crispino
- Division of Hematology/Oncology, Northwestern University, Chicago, IL 60611, USA
| | - Mitchell J Weiss
- Hematology Department, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Yasuhide Hayashi
- Institute of Physiology and Medicine, Jobu University, Takasaki-shi, Gunma 370-0033, Japan
| | - Takashi Taga
- Department of Pediatrics, Shiga University of Medical Science, Shiga 520-2192, Japan
| | - Etsuro Ito
- Department of Pediatrics, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan
| | - Seishi Ogawa
- Department of Pathology and Tumor Biology, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto 606-8315 Japan; Center for Hematology and Regenerative Medicine, Karolinska Institute, 171 77 Stockholm, Sweden
| | - Dirk Reinhardt
- Pediatric Hematology and Oncology, Pediatrics III, University Hospital Essen, 45122 Essen, Germany
| | | | - Peter J Campbell
- Cancer Genome Project, Wellcome Trust Sanger Institute, Hinxton CB10 1SA, UK
| | - Irene Roberts
- MRC MHU, BRC Hematology Theme, Oxford Biomedical Research Centre, Oxford Centre for Haematology, WIMM, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DU, UK; Department of Paediatrics, University of Oxford, Oxford OX3 9DS, UK
| | | | - Paresh Vyas
- MRC MHU, BRC Hematology Theme, Oxford Biomedical Research Centre, Oxford Centre for Haematology, WIMM, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DU, UK; Department of Haematology, Oxford University Hospitals NHS Trust, Oxford OX3 7LE, UK.
| | - Dirk Heckl
- Pediatric Hematology and Oncology, Hannover Medical School, 30625 Hannover, Germany; Pediatric Hematology and Oncology, Martin-Luther-University Halle-Wittenberg, 06120 Halle, Germany.
| | - Jan-Henning Klusmann
- Pediatric Hematology and Oncology, Martin-Luther-University Halle-Wittenberg, 06120 Halle, Germany.
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40
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Milo I, Bedora-Faure M, Garcia Z, Thibaut R, Périé L, Shakhar G, Deriano L, Bousso P. The immune system profoundly restricts intratumor genetic heterogeneity. Sci Immunol 2019; 3:3/29/eaat1435. [PMID: 30470696 DOI: 10.1126/sciimmunol.aat1435] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 08/03/2018] [Accepted: 10/18/2018] [Indexed: 12/14/2022]
Abstract
Tumors develop under the selective pressure of the immune system. However, it remains critical to establish how the immune system affects the clonal heterogeneity of tumors that often display cell-to-cell variation in genetic alterations and antigenic expression. To address these questions, we introduced a multicolor barcoding strategy to study the growth of a MYC-driven B cell lymphoma harboring a large degree of intratumor genetic diversity. Using intravital imaging, we visualized that lymphoma subclones grow as patches of sessile cells in the bone marrow, creating a spatially compartmentalized architecture for tumor diversity. Using multicolor barcoding and whole-exome sequencing, we demonstrated that immune responses strongly restrict intratumor genomic diversity and favor clonal dominance, a process mediated by the selective elimination of more immunogenic cells and amplified by epitope spreading. Anti-PD-1 treatment also narrowed intratumor diversity. Our results provide direct evidence that immune pressure shapes the level of intratumor genetic heterogeneity and have important implications for the design of therapeutic strategies.
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Affiliation(s)
- Idan Milo
- Dynamics of Immune Responses Unit, Equipe Labellisée Ligue Contre le Cancer, Institut Pasteur, 75015 Paris, France.,INSERM U1223, 75015 Paris, France
| | - Marie Bedora-Faure
- Genome Integrity, Immunity and Cancer Unit, Department of Immunology, Department of Genomes and Genetics, Institut Pasteur, 75015 Paris, France
| | - Zacarias Garcia
- Dynamics of Immune Responses Unit, Equipe Labellisée Ligue Contre le Cancer, Institut Pasteur, 75015 Paris, France.,INSERM U1223, 75015 Paris, France
| | - Ronan Thibaut
- Dynamics of Immune Responses Unit, Equipe Labellisée Ligue Contre le Cancer, Institut Pasteur, 75015 Paris, France.,INSERM U1223, 75015 Paris, France.,University Paris Diderot, Sorbonne Paris Cité, Cellule Pasteur, rue du Dr Roux, 75015 Paris, France
| | - Leïla Périé
- Institut Curie, PSL Research University, CNRS UMR168, 11 rue Pierre et Marie Curie, 75005 Paris, France.,Sorbonne Universités, UPMC University Paris 06, 4 place Jussieu, 75005 Paris, France
| | - Guy Shakhar
- Department of Immunology, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Ludovic Deriano
- Genome Integrity, Immunity and Cancer Unit, Department of Immunology, Department of Genomes and Genetics, Institut Pasteur, 75015 Paris, France
| | - Philippe Bousso
- Dynamics of Immune Responses Unit, Equipe Labellisée Ligue Contre le Cancer, Institut Pasteur, 75015 Paris, France. .,INSERM U1223, 75015 Paris, France
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41
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Chan CKF, Gulati GS, Sinha R, Tompkins JV, Lopez M, Carter AC, Ransom RC, Reinisch A, Wearda T, Murphy M, Brewer RE, Koepke LS, Marecic O, Manjunath A, Seo EY, Leavitt T, Lu WJ, Nguyen A, Conley SD, Salhotra A, Ambrosi TH, Borrelli MR, Siebel T, Chan K, Schallmoser K, Seita J, Sahoo D, Goodnough H, Bishop J, Gardner M, Majeti R, Wan DC, Goodman S, Weissman IL, Chang HY, Longaker MT. Identification of the Human Skeletal Stem Cell. Cell 2019; 175:43-56.e21. [PMID: 30241615 DOI: 10.1016/j.cell.2018.07.029] [Citation(s) in RCA: 372] [Impact Index Per Article: 74.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 01/16/2018] [Accepted: 07/20/2018] [Indexed: 12/14/2022]
Abstract
Stem cell regulation and hierarchical organization of human skeletal progenitors remain largely unexplored. Here, we report the isolation of a self-renewing and multipotent human skeletal stem cell (hSSC) that generates progenitors of bone, cartilage, and stroma, but not fat. Self-renewing and multipotent hSSCs are present in fetal and adult bones and can also be derived from BMP2-treated human adipose stroma (B-HAS) and induced pluripotent stem cells (iPSCs). Gene expression analysis of individual hSSCs reveals overall similarity between hSSCs obtained from different sources and partially explains skewed differentiation toward cartilage in fetal and iPSC-derived hSSCs. hSSCs undergo local expansion in response to acute skeletal injury. In addition, hSSC-derived stroma can maintain human hematopoietic stem cells (hHSCs) in serum-free culture conditions. Finally, we combine gene expression and epigenetic data of mouse skeletal stem cells (mSSCs) and hSSCs to identify evolutionarily conserved and divergent pathways driving SSC-mediated skeletogenesis. VIDEO ABSTRACT.
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Affiliation(s)
- Charles K F Chan
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA; Institute for Stem Cell Biology and Regenerative Medicine, Stanford Medicine, Stanford, CA 94305, USA.
| | - Gunsagar S Gulati
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA; Institute for Stem Cell Biology and Regenerative Medicine, Stanford Medicine, Stanford, CA 94305, USA
| | - Rahul Sinha
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford Medicine, Stanford, CA 94305, USA
| | | | - Michael Lopez
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Ava C Carter
- Center for Personal Dynamic Regulomes, Stanford University, Stanford, CA 94305, USA
| | - Ryan C Ransom
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA; Institute for Stem Cell Biology and Regenerative Medicine, Stanford Medicine, Stanford, CA 94305, USA
| | - Andreas Reinisch
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford Medicine, Stanford, CA 94305, USA
| | - Taylor Wearda
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Matthew Murphy
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Rachel E Brewer
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Lauren S Koepke
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Owen Marecic
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Anoop Manjunath
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA; Institute for Stem Cell Biology and Regenerative Medicine, Stanford Medicine, Stanford, CA 94305, USA
| | - Eun Young Seo
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Tripp Leavitt
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Wan-Jin Lu
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford Medicine, Stanford, CA 94305, USA
| | - Allison Nguyen
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford Medicine, Stanford, CA 94305, USA
| | - Stephanie D Conley
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford Medicine, Stanford, CA 94305, USA
| | - Ankit Salhotra
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Thomas H Ambrosi
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Mimi R Borrelli
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Taylor Siebel
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford Medicine, Stanford, CA 94305, USA
| | - Karen Chan
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford Medicine, Stanford, CA 94305, USA
| | - Katharina Schallmoser
- Department of Blood Group Serology and Transfusion Medicine, Medical University of Graz, 8036 Graz, Austria
| | - Jun Seita
- Medical Sciences Innovation Hub Program, RIKEN, Tokyo 103-0027, Japan
| | - Debashis Sahoo
- Departments of Pediatrics and Computer Science and Engineering, University of California San Diego, San Diego, CA 92093, USA
| | - Henry Goodnough
- Department of Orthopedic Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Julius Bishop
- Department of Orthopedic Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Michael Gardner
- Department of Orthopedic Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Ravindra Majeti
- Department of Medicine, Division of Hematology, Stanford Medicine, Stanford, CA 94305, USA
| | - Derrick C Wan
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Stuart Goodman
- Department of Orthopedic Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Irving L Weissman
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford Medicine, Stanford, CA 94305, USA
| | - Howard Y Chang
- Center for Personal Dynamic Regulomes, Stanford University, Stanford, CA 94305, USA
| | - Michael T Longaker
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA; Institute for Stem Cell Biology and Regenerative Medicine, Stanford Medicine, Stanford, CA 94305, USA.
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42
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Grassmann S, Pachmayr LO, Leube J, Mihatsch L, Andrae I, Flommersfeld S, Oduro J, Cicin-Sain L, Schiemann M, Flossdorf M, Buchholz VR. Distinct Surface Expression of Activating Receptor Ly49H Drives Differential Expansion of NK Cell Clones upon Murine Cytomegalovirus Infection. Immunity 2019; 50:1391-1400.e4. [DOI: 10.1016/j.immuni.2019.04.015] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 03/08/2019] [Accepted: 04/25/2019] [Indexed: 12/25/2022]
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43
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Boyer SW, Rajendiran S, Beaudin AE, Smith-Berdan S, Muthuswamy PK, Perez-Cunningham J, Martin EW, Cheung C, Tsang H, Landon M, Forsberg EC. Clonal and Quantitative In Vivo Assessment of Hematopoietic Stem Cell Differentiation Reveals Strong Erythroid Potential of Multipotent Cells. Stem Cell Reports 2019; 12:801-815. [PMID: 30905737 PMCID: PMC6450035 DOI: 10.1016/j.stemcr.2019.02.007] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 02/16/2019] [Accepted: 02/18/2019] [Indexed: 01/22/2023] Open
Abstract
Hematopoiesis is arguably one of the best understood stem cell systems; however, significant challenges remain to reach a consensus understanding of the lineage potential, heterogeneity, and relationships of hematopoietic stem and progenitor cell populations. To gain new insights, we performed quantitative analyses of mature cell production from hematopoietic stem cells (HSCs) and multiple hematopoietic progenitor populations. Assessment of the absolute numbers of mature cell types produced by each progenitor cell revealed a striking erythroid dominance of all myeloid-competent progenitors assessed, accompanied by strong platelet reconstitution. All populations with myeloid potential also produced robust numbers of red blood cells and platelets in vivo. Clonal analysis by single-cell transplantation and by spleen colony assays revealed that a significant fraction of HSCs and multipotent progenitors have multilineage potential at the single-cell level. These new insights prompt an erythroid-focused model of hematopoietic differentiation. RBCs are the predominant cell type produced by multipotent hematopoietic progenitors All cell types with myeloid potential also produced RBCs and platelets in vivo Single HSCs and MPPF cells are capable of multilineage hematopoietic reconstitution Erythroid cell production emerges as a default hematopoietic fate
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Affiliation(s)
- Scott W Boyer
- Institute for the Biology of Stem Cells, Department of Biomolecular Engineering, University of California, Santa Cruz, Santa Cruz, CA 95064, USA
| | - Smrithi Rajendiran
- Institute for the Biology of Stem Cells, Department of Biomolecular Engineering, University of California, Santa Cruz, Santa Cruz, CA 95064, USA
| | - Anna E Beaudin
- Institute for the Biology of Stem Cells, Department of Biomolecular Engineering, University of California, Santa Cruz, Santa Cruz, CA 95064, USA
| | - Stephanie Smith-Berdan
- Institute for the Biology of Stem Cells, Department of Biomolecular Engineering, University of California, Santa Cruz, Santa Cruz, CA 95064, USA
| | - Praveen K Muthuswamy
- Institute for the Biology of Stem Cells, Department of Biomolecular Engineering, University of California, Santa Cruz, Santa Cruz, CA 95064, USA
| | - Jessica Perez-Cunningham
- Institute for the Biology of Stem Cells, Department of Biomolecular Engineering, University of California, Santa Cruz, Santa Cruz, CA 95064, USA
| | - Eric W Martin
- Institute for the Biology of Stem Cells, Department of Biomolecular Engineering, University of California, Santa Cruz, Santa Cruz, CA 95064, USA
| | - Christa Cheung
- Institute for the Biology of Stem Cells, Department of Biomolecular Engineering, University of California, Santa Cruz, Santa Cruz, CA 95064, USA
| | - Herman Tsang
- Institute for the Biology of Stem Cells, Department of Biomolecular Engineering, University of California, Santa Cruz, Santa Cruz, CA 95064, USA
| | - Mark Landon
- Institute for the Biology of Stem Cells, Department of Biomolecular Engineering, University of California, Santa Cruz, Santa Cruz, CA 95064, USA
| | - E Camilla Forsberg
- Institute for the Biology of Stem Cells, Department of Biomolecular Engineering, University of California, Santa Cruz, Santa Cruz, CA 95064, USA.
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Cook ZT, Brockway NL, Tobias ZJC, Pajarla J, Boardman IS, Ippolito H, Nkombo Nkoula S, Weissman TA. Combining near-infrared fluorescence with Brainbow to visualize expression of specific genes within a multicolor context. Mol Biol Cell 2019; 30:491-505. [PMID: 30586321 PMCID: PMC6594444 DOI: 10.1091/mbc.e18-06-0340] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 12/13/2018] [Accepted: 12/18/2018] [Indexed: 12/18/2022] Open
Abstract
Fluorescent proteins are a powerful experimental tool, allowing the visualization of gene expression and cellular behaviors in a variety of systems. Multicolor combinations of fluorescent proteins, such as Brainbow, have expanded the range of possible research questions and are useful for distinguishing and tracking cells. The addition of a separately driven color, however, would allow researchers to report expression of a manipulated gene within the multicolor context to investigate mechanistic effects. A far-red or near-infrared protein could be particularly suitable in this context, as these can be distinguished spectrally from Brainbow. We investigated five far-red/near-infrared proteins in zebrafish: TagRFP657, mCardinal, miRFP670, iRFP670, and mIFP. Our results show that both mCardinal and iRFP670 are useful fluorescent proteins for zebrafish expression. We also introduce a new transgenic zebrafish line that expresses Brainbow under the control of the neuroD promoter. We demonstrate that mCardinal can be used to track the expression of a manipulated bone morphogenetic protein receptor within the Brainbow context. The overlay of near-infrared fluorescence onto a Brainbow background defines a clear strategy for future research questions that aim to manipulate or track the effects of specific genes within a population of cells that are delineated using multicolor approaches.
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Affiliation(s)
- Zoe T. Cook
- Biology Department, Lewis and Clark College, Portland, OR 97219
| | | | | | - Joy Pajarla
- Biology Department, Lewis and Clark College, Portland, OR 97219
| | | | - Helen Ippolito
- Biology Department, Lewis and Clark College, Portland, OR 97219
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Giersch K, Bhadra OD, Volz T, Allweiss L, Riecken K, Fehse B, Lohse AW, Petersen J, Sureau C, Urban S, Dandri M, Lütgehetmann M. Hepatitis delta virus persists during liver regeneration and is amplified through cell division both in vitro and in vivo. Gut 2019; 68:150-157. [PMID: 29217749 DOI: 10.1136/gutjnl-2017-314713] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Revised: 11/17/2017] [Accepted: 11/20/2017] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Hepatitis delta virus (HDV) was shown to persist for weeks in the absence of HBV and for months after liver transplantation, demonstrating the ability of HDV to persevere in quiescent hepatocytes. The aim of the study was to evaluate the impact of cell proliferation on HDV persistence in vitro and in vivo. DESIGN Genetically labelled human sodium taurocholate cotransporting polypeptide (hNTCP)-transduced human hepatoma(HepG2) cells were infected with HBV/HDV and passaged every 7 days for 100 days in the presence of the entry inhibitor Myrcludex-B. In vivo, cell proliferation was triggered by transplanting primary human hepatocytes (PHHs) isolated from HBV/HDV-infected humanised mice into naïve recipients. Virological parameters were measured by quantitative real time polymerase chain reaction (qRT-PCR). Hepatitis delta antigen (HDAg), hepatitis B core antigen (HBcAg) and cell proliferation were determined by immunofluorescence. RESULTS Despite 15 in vitro cell passages and block of viral spreading by Myrcludex-B, clonal cell expansion permitted amplification of HDV infection. In vivo, expansion of PHHs isolated from HBV/HDV-infected humanised mice was confirmed 3 days, 2, 4 and 8 weeks after transplantation. While HBV markers rapidly dropped in proliferating PHHs, HDAg-positive hepatocytes were observed among dividing cells at all time points. Notably, HDAg-positive cells appeared in clusters, indicating that HDV was transmitted to daughter cells during liver regeneration even in the absence of de novo infection. CONCLUSION This study demonstrates that HDV persists during liver regeneration by transmitting HDV RNA to dividing cells even in the absence of HBV coinfection. The strong persistence capacities of HDV may also explain why HDV clearance is difficult to achieve in HBV/HDV chronically infected patients.
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Affiliation(s)
- Katja Giersch
- I. Department of Internal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Oliver D Bhadra
- I. Department of Internal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Tassilo Volz
- I. Department of Internal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Lena Allweiss
- I. Department of Internal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Kristoffer Riecken
- Department of Stem Cell transplantation, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Boris Fehse
- Department of Stem Cell transplantation, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Ansgar W Lohse
- I. Department of Internal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,German Center for Infection Research (DZIF), Hamburg-Lübeck-Borstel and Heidelberg Partner sites, Germany
| | - Joerg Petersen
- IFI Institute for Interdisciplinary Medicine, Asklepios Clinic St. Georg, Hamburg, Germany
| | - Camille Sureau
- Laboratoirede Virologie Moleculaire, INTS, Centre National de la Recherche Scientifique, Paris, France
| | - Stephan Urban
- German Center for Infection Research (DZIF), Hamburg-Lübeck-Borstel and Heidelberg Partner sites, Germany.,Department of Infectious Diseases, Molecular Virology, University Hospital Heidelberg, Heidelberg, Germany
| | - Maura Dandri
- I. Department of Internal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,German Center for Infection Research (DZIF), Hamburg-Lübeck-Borstel and Heidelberg Partner sites, Germany
| | - Marc Lütgehetmann
- Institute of Microbiology, Virology and Hygiene, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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46
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Martin-Lopez E, Ishiguro K, Greer CA. The Laminar Organization of Piriform Cortex Follows a Selective Developmental and Migratory Program Established by Cell Lineage. Cereb Cortex 2019; 29:1-16. [PMID: 29136113 PMCID: PMC7199997 DOI: 10.1093/cercor/bhx291] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 09/19/2017] [Indexed: 12/12/2022] Open
Abstract
Piriform cortex (PC) is a 3-layer paleocortex receiving primary afferent input from the olfactory bulb. The past decade has seen significant progress in understanding the synaptic, cellular and functional organization of PC, but PC embryogenesis continues to be enigmatic. Here, using birthdating strategies and clonal analyses, we probed the early development and laminar specificity of neurogenesis/gliogenesis as it relates to the organization of the PC. Our data demonstrate a temporal sequence of laminar-specific neurogenesis following the canonical "inside-out" pattern, with the notable exception of PC Layer II which exhibited an inverse "outside-in" temporal neurogenic pattern. Of interest, we found no evidence of a neurogenic gradient along the anterior to posterior axis, although the timing of neuronal migration and laminar development was delayed rostrally by approximately 24 h. To begin probing if lineage affected cell fate in the PC, we labeled PC neuroblasts using a multicolor technique and analyzed their laminar organization. Our results suggested that PC progenitors were phenotypically committed to reach specific layers early in the development. Collectively, these studies shed new light on the determinants of the laminar specificity of neuronal/glial organization in PC and the likely role of subpopulations of committed progenitors in regulating PC embryogenesis.
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Affiliation(s)
- Eduardo Martin-Lopez
- Department of Neurosurgery, Yale University School of Medicine, 333 Cedar Street, New Haven, CT, USA
| | - Kimiko Ishiguro
- Department of Neurosurgery, Yale University School of Medicine, 333 Cedar Street, New Haven, CT, USA
| | - Charles A Greer
- Department of Neurosurgery, Yale University School of Medicine, 333 Cedar Street, New Haven, CT, USA
- Department of Neuroscience, Yale University School of Medicine, 333 Cedar Street, New Haven, CT, USA
- The Interdepartmental Neuroscience Graduate Program, Yale University School of Medicine, 333 Cedar Street, New Haven, CT, USA
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R SK, Kumar SKA, Vijayakrishna K, Sivaramakrishna A, Brahmmananda Rao CVS, Sivaraman N, Sahoo SK. Development of the Smartphone-Assisted Colorimetric Detection of Thorium by Using New Schiff’s Base and Its Applications to Real Time Samples. Inorg Chem 2018; 57:15270-15279. [DOI: 10.1021/acs.inorgchem.8b02564] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Selva Kumar R
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India
| | - S. K. Ashok Kumar
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India
| | - Kari Vijayakrishna
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India
| | - Akella Sivaramakrishna
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India
| | - C. V. S. Brahmmananda Rao
- Indira Gandhi Centre for Atomic Research, Homi Bhabha National Institute, Kalpakkam 603102, Tamil Nadu, India
| | - N. Sivaraman
- Indira Gandhi Centre for Atomic Research, Homi Bhabha National Institute, Kalpakkam 603102, Tamil Nadu, India
| | - Suban K. Sahoo
- Department of Applied Chemistry, S. V. National Institute Technology, Surat 395007, Gujarat, India
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48
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Sakaguchi R, Leiwe MN, Imai T. Bright multicolor labeling of neuronal circuits with fluorescent proteins and chemical tags. eLife 2018; 7:e40350. [PMID: 30454553 PMCID: PMC6245733 DOI: 10.7554/elife.40350] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 10/24/2018] [Indexed: 11/13/2022] Open
Abstract
The stochastic multicolor labeling method 'Brainbow' is a powerful strategy to label multiple neurons differentially with fluorescent proteins; however, the fluorescence levels provided by the original attempts to use this strategy were inadequate. In the present study, we developed a stochastic multicolor labeling method with enhanced expression levels that uses a tetracycline-operator system (Tetbow). We optimized Tetbow for either plasmid or virus vector-mediated multicolor labeling. When combined with tissue clearing, Tetbow was powerful enough to visualize the three-dimensional architecture of individual neurons. Using Tetbow, we were able to visualize the axonal projection patterns of individual mitral/tufted cells along several millimeters in the mouse olfactory system. We also developed a Tetbow system with chemical tags, in which genetically encoded chemical tags were labeled with synthetic fluorophores. This was useful in expanding the repertoire of the fluorescence labels and the applications of the Tetbow system. Together, these new tools facilitate light-microscopy-based neuronal tracing at both a large scale and a high resolution.
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Affiliation(s)
- Richi Sakaguchi
- Graduate School of Medical SciencesKyushu UniversityFukuokaJapan
- Graduate School of BiostudiesKyoto UniversityKyotoJapan
- Laboratory for Sensory Circuit FormationRIKEN Center for Developmental BiologyKobeJapan
| | - Marcus N Leiwe
- Graduate School of Medical SciencesKyushu UniversityFukuokaJapan
- Laboratory for Sensory Circuit FormationRIKEN Center for Developmental BiologyKobeJapan
| | - Takeshi Imai
- Graduate School of Medical SciencesKyushu UniversityFukuokaJapan
- Graduate School of BiostudiesKyoto UniversityKyotoJapan
- Laboratory for Sensory Circuit FormationRIKEN Center for Developmental BiologyKobeJapan
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49
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Fluorescent genetic barcoding for cellular multiplex analyses. Exp Hematol 2018; 67:10-17. [DOI: 10.1016/j.exphem.2018.08.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 08/01/2018] [Accepted: 08/02/2018] [Indexed: 12/11/2022]
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50
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Gambera S, Abarrategi A, González-Camacho F, Morales-Molina Á, Roma J, Alfranca A, García-Castro J. Clonal dynamics in osteosarcoma defined by RGB marking. Nat Commun 2018; 9:3994. [PMID: 30266933 PMCID: PMC6162235 DOI: 10.1038/s41467-018-06401-z] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2017] [Accepted: 09/03/2018] [Indexed: 02/06/2023] Open
Abstract
Osteosarcoma is a type of bone tumour characterized by considerable levels of phenotypic heterogeneity, aneuploidy, and a high mutational rate. The life expectancy of osteosarcoma patients has not changed during the last three decades and thus much remains to be learned about the disease biology. Here, we employ a RGB-based single-cell tracking system to study the clonal dynamics occurring in a de novo-induced murine osteosarcoma model. We show that osteosarcoma cells present initial polyclonal dynamics, followed by clonal dominance associated with adaptation to the microenvironment. Interestingly, the dominant clones are composed of subclones with a similar tumour generation potential when they are re-implanted in mice. Moreover, individual spontaneous metastases are clonal or oligoclonal, but they have a different cellular origin than the dominant clones present in primary tumours. In summary, we present evidence that osteosarcomagenesis can follow a neutral evolution model, in which different cancer clones coexist and propagate simultaneously.
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Affiliation(s)
- Stefano Gambera
- Cellular Biotechnology Unit, Instituto de Salud Carlos III (ISCIII), Madrid, 28029, Spain
| | - Ander Abarrategi
- Cellular Biotechnology Unit, Instituto de Salud Carlos III (ISCIII), Madrid, 28029, Spain
- Haematopoietic Stem Cell Lab, The Francis Crick Institute, London, NW1 1AT, UK
| | | | - Álvaro Morales-Molina
- Cellular Biotechnology Unit, Instituto de Salud Carlos III (ISCIII), Madrid, 28029, Spain
| | - Josep Roma
- Laboratory of Translational Research in Child and Adolescent Cancer, Vall d'Hebron Hospital, Barcelona, 08035, Spain
| | - Arantzazu Alfranca
- Cellular Biotechnology Unit, Instituto de Salud Carlos III (ISCIII), Madrid, 28029, Spain
- Immunology Department, Hospital Universitario de La Princesa, Madrid, 28006, Spain
| | - Javier García-Castro
- Cellular Biotechnology Unit, Instituto de Salud Carlos III (ISCIII), Madrid, 28029, Spain.
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