1
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LeBleu VS, Kanasaki K, Lovisa S, Alge JL, Kim J, Chen Y, Teng Y, Gerami-Naini B, Sugimoto H, Kato N, Revuelta I, Grau N, Sleeman JP, Taduri G, Kizu A, Rafii S, Hochedlinger K, Quaggin SE, Kalluri R. Genetic reprogramming with stem cells regenerates glomerular epithelial podocytes in Alport syndrome. Life Sci Alliance 2024; 7:e202402664. [PMID: 38561223 PMCID: PMC10985218 DOI: 10.26508/lsa.202402664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Revised: 03/13/2024] [Accepted: 03/14/2024] [Indexed: 04/04/2024] Open
Abstract
Glomerular filtration relies on the type IV collagen (ColIV) network of the glomerular basement membrane, namely, in the triple helical molecules containing the α3, α4, and α5 chains of ColIV. Loss of function mutations in the genes encoding these chains (Col4a3, Col4a4, and Col4a5) is associated with the loss of renal function observed in Alport syndrome (AS). Precise understanding of the cellular basis for the patho-mechanism remains unknown and a specific therapy for this disease does not currently exist. Here, we generated a novel allele for the conditional deletion of Col4a3 in different glomerular cell types in mice. We found that podocytes specifically generate α3 chains in the developing glomerular basement membrane, and that its absence is sufficient to impair glomerular filtration as seen in AS. Next, we show that horizontal gene transfer, enhanced by TGFβ1 and using allogenic bone marrow-derived mesenchymal stem cells and induced pluripotent stem cells, rescues Col4a3 expression and revive kidney function in Col4a3-deficient AS mice. Our proof-of-concept study supports that horizontal gene transfer such as cell fusion enables cell-based therapy in Alport syndrome.
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Affiliation(s)
- Valerie S LeBleu
- Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Division of Matrix Biology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
- Northwestern University Feinberg School of Medicine and Kellogg School of Management, Chicago, IL, USA
- https://ror.org/02pttbw34 Department of Medicine, Baylor College of Medicine, Houston, TX, USA
| | - Keizo Kanasaki
- Division of Matrix Biology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Sara Lovisa
- Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Joseph L Alge
- Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
- https://ror.org/02pttbw34 Department of Medicine, Baylor College of Medicine, Houston, TX, USA
| | - Jiha Kim
- Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Yang Chen
- Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Yingqi Teng
- Division of Matrix Biology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Behzad Gerami-Naini
- Division of Matrix Biology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Hikaru Sugimoto
- Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Division of Matrix Biology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Noritoshi Kato
- Division of Matrix Biology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Ignacio Revuelta
- Division of Matrix Biology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Nicole Grau
- Medical Faculty Mannheim, University of Heidelberg, Heidelberg, Germany
- Department of Radiation Oncology, Heidelberg University Hospital, Heidelberg, Germany
| | - Jonathan P Sleeman
- Medical Faculty Mannheim, University of Heidelberg, Heidelberg, Germany
- Karlsruhe Institute of Technology (IBCS-BIP), Karlsruhe, Germany
| | - Gangadhar Taduri
- Division of Matrix Biology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Akane Kizu
- Division of Matrix Biology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Shahin Rafii
- Department of Genetic Medicine and Ansary Stem Cell Institute, Weill Cornell Medical College, New York, NY, USA
| | - Konrad Hochedlinger
- Massachusetts General Hospital, Boston, MA, USA
- Harvard Stem Cell Institute, Boston, MA, USA
| | - Susan E Quaggin
- Northwestern University Feinberg School of Medicine & Feinberg Cardiovascular and Renal Research Institute, Chicago, IL, USA
| | - Raghu Kalluri
- Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Division of Matrix Biology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
- Harvard Stem Cell Institute, Boston, MA, USA
- Harvard-MIT Division of Health Sciences and Technology, Boston, MA, USA
- Department of Bioengineering, Rice University, Houston, TX, USA
- https://ror.org/02pttbw34 Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, USA
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2
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Choudhury S, Sivankutty I, Jung Y, Huang A, Araten S, Kenny C, An Z, Doan R, Foijer F, Matsu E, Rosen I, Marciano J, Jain A, Sun L, Hilal N, Lee E, Walsh C, Chen M. Single-nucleus multi-omic profiling of polyploid heart nuclei identifies fusion-derived cardiomyocytes in the human heart. RESEARCH SQUARE 2024:rs.3.rs-4414468. [PMID: 38853931 PMCID: PMC11160865 DOI: 10.21203/rs.3.rs-4414468/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
Understanding the mechanisms of polyploidization in cardiomyocytes is crucial for advancing strategies to stimulate myocardial regeneration. Although endoreplication has long been considered the primary source of polyploid human cardiomyocytes, recent animal work suggests the potential for cardiomyocyte fusion. Moreover, the effects of polyploidization on the genomic-transcriptomic repertoire of human cardiomyocytes have not been studied previously. We applied single-nuclei whole genome sequencing, single nuclei RNA sequencing, and multiome ATAC + gene expression (from the same nuclei) techniques to nuclei isolated from 11 healthy hearts. Utilizing post-zygotic non-inherited somatic mutations occurring during development as "endogenous barcodes," to reconstruct lineage relationships of polyploid cardiomyocytes. Of 482 cardiomyocytes from multiple healthy donor hearts 75.7% can be sorted into several developmental clades marked by one or more somatic single-nucleotide variants (SNVs). At least ~10% of tetraploid cardiomyocytes contain cells from distinct clades, indicating fusion of lineally distinct cells, whereas 60% of higher-ploidy cardiomyocytes contain fused cells from distinct clades. Combined snRNA-seq and snATAC-seq revealed transcriptome and chromatin landscapes of polyploid cardiomyocytes distinct from diploid cardiomyocytes, and show some higher-ploidy cardiomyocytes with transcriptional signatures suggesting fusion between cardiomyocytes and endothelial and fibroblast cells. These observations provide the first evidence for cell and nuclear fusion of human cardiomyocytes, raising the possibility that cell fusion may contribute to developing or maintaining polyploid cardiomyocytes in the human heart.
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Del Pilar C, Garrido-Matilla L, Del Pozo-Filíu L, Lebrón-Galán R, Arias RF, Clemente D, Alonso JR, Weruaga E, Díaz D. Intracerebellar injection of monocytic immature myeloid cells prevents the adverse effects caused by stereotactic surgery in a model of cerebellar neurodegeneration. J Neuroinflammation 2024; 21:49. [PMID: 38355633 PMCID: PMC10867997 DOI: 10.1186/s12974-023-03000-8] [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: 09/14/2023] [Accepted: 12/18/2023] [Indexed: 02/16/2024] Open
Abstract
BACKGROUND Myeloid-derived suppressor cells (MDSCs) constitute a recently discovered bone-marrow-derived cell type useful for dealing with neuroinflammatory disorders. However, these cells are only formed during inflammatory conditions from immature myeloid cells (IMCs) that acquire immunosuppressive activity, thus being commonly gathered from diseased animals. Then, to obtain a more clinically feasible source, we characterized IMCs directly derived from healthy bone marrow and proved their potential immunosuppressive activity under pathological conditions in vitro. We then explored their neuroprotective potential in a model of human cerebellar ataxia, the Purkinje Cell Degeneration (PCD) mouse, as it displays a well-defined neurodegenerative and neuroinflammatory process that can be also aggravated by invasive surgeries. METHODS IMCs were obtained from healthy bone marrow and co-cultured with activated T cells. The proliferation and apoptotic rate of the later were analyzed with Tag-it Violet. For in vivo studies, IMCs were transplanted by stereotactic surgery into the cerebellum of PCD mice. We also used sham-operated animals as controls of the surgical effects, as well as their untreated counterparts. Motor behavior of mice was assessed by rotarod test. The Purkinje cell density was measured by immunohistochemistry and cell death assessed with the TUNEL technique. We also analyzed the microglial phenotype by immunofluorescence and the expression pattern of inflammation-related genes by qPCR. Parametric tests were applied depending on the specific experiment: one or two way ANOVA and Student's T test. RESULTS IMCs were proven to effectively acquire immunosuppressive activity under pathological conditions in vitro, thus acting as MDSCs. Concerning in vivo studios, sham-operated PCD mice suffered detrimental effects in motor coordination, Purkinje cell survival and microglial activation. After intracranial administration of IMCs into the cerebellum of PCD mice, no special benefits were detected in the transplanted animals when compared to untreated mice. Nonetheless, this transplant almost completely prevented the impairments caused by the surgery in PCD mice, probably by the modulation of the inflammatory patterns. CONCLUSIONS Our work comprise two main translational findings: (1) IMCs can be directly used as they behave as MDSCs under pathological conditions, thus avoiding their gathering from diseased subjects; (2) IMCs are promising adjuvants when performing neurosurgery.
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Affiliation(s)
- Carlos Del Pilar
- Institute for Neuroscience of Castile and Leon, INCyL, Universidad de Salamanca, C/Pintor Fernando Gallego 1, 37007, Salamanca, Spain
- Institute of Biomedical Research of Salamanca, IBSAL, Salamanca, Spain
| | - Lucía Garrido-Matilla
- Institute for Neuroscience of Castile and Leon, INCyL, Universidad de Salamanca, C/Pintor Fernando Gallego 1, 37007, Salamanca, Spain
- Departamento de Psicobiología, Facultad de Psicología, Universidad Nacional de Educación a Distancia (UNED), Madrid, Spain
| | - Lucía Del Pozo-Filíu
- Institute for Neuroscience of Castile and Leon, INCyL, Universidad de Salamanca, C/Pintor Fernando Gallego 1, 37007, Salamanca, Spain
- Translational Stroke Laboratory (TREAT), Clinical Neurosciences Research Laboratory (LINC), Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Rafael Lebrón-Galán
- Neuroimmuno-Repair Group, Hospital Nacional de Parapléjicos-SESCAM, Finca La Peraleda s/n, 45004, Toledo, Spain
- Hospital Universitario de Toledo, Avd. Río Guadiana, s/n, 45007, Toledo, Spain
| | - Raúl F Arias
- Institute for Neuroscience of Castile and Leon, INCyL, Universidad de Salamanca, C/Pintor Fernando Gallego 1, 37007, Salamanca, Spain
- Institute of Biomedical Research of Salamanca, IBSAL, Salamanca, Spain
| | - Diego Clemente
- Neuroimmuno-Repair Group, Hospital Nacional de Parapléjicos-SESCAM, Finca La Peraleda s/n, 45004, Toledo, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Carlos III Health Institute, Av. Monforte de Lemos, 3-5, 28029, Madrid, Spain
| | - José Ramón Alonso
- Institute for Neuroscience of Castile and Leon, INCyL, Universidad de Salamanca, C/Pintor Fernando Gallego 1, 37007, Salamanca, Spain
- Institute of Biomedical Research of Salamanca, IBSAL, Salamanca, Spain
| | - Eduardo Weruaga
- Institute for Neuroscience of Castile and Leon, INCyL, Universidad de Salamanca, C/Pintor Fernando Gallego 1, 37007, Salamanca, Spain.
- Institute of Biomedical Research of Salamanca, IBSAL, Salamanca, Spain.
| | - David Díaz
- Institute for Neuroscience of Castile and Leon, INCyL, Universidad de Salamanca, C/Pintor Fernando Gallego 1, 37007, Salamanca, Spain.
- Institute of Biomedical Research of Salamanca, IBSAL, Salamanca, Spain.
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Patel RK, Parappilly M, Rahman S, Schwantes IR, Sewell M, Giske NR, Whalen RM, Durmus NG, Wong MH. The Hallmarks of Circulating Hybrid Cells. Results Probl Cell Differ 2024; 71:467-485. [PMID: 37996690 DOI: 10.1007/978-3-031-37936-9_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2023]
Abstract
While tumor metastases represent the primary driver of cancer-related mortality, our understanding of the mechanisms that underlie metastatic initiation and progression remains incomplete. Recent work identified a novel tumor-macrophage hybrid cell population, generated through the fusion between neoplastic and immune cells. These hybrid cells are detected in primary tumor tissue, peripheral blood, and in metastatic sites. In-depth analyses of hybrid cell biology indicate that they can exploit phenotypic properties of both parental tumor and immune cells, in order to intravasate into circulation, evade the immune response, and seed tumors at distant sites. Thus, it has become increasingly evident that the development and dissemination of tumor-immune hybrid cells play an intricate and fundamental role in the metastatic cascade and can provide invaluable information regarding tumor characteristics and patient prognostication. In this chapter, we review the current understanding of this novel hybrid cell population, the specific hallmarks of cancer that these cells exploit to promote cancer progression and metastasis, and discuss exciting new frontiers that remain to be explored.
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Affiliation(s)
- Ranish K Patel
- Department of Surgery, Oregon Health & Science University, Portland, OR, USA
| | - Michael Parappilly
- Department of Cell, Developmental and Cancer Biology, Oregon Health & Science University, Portland, OR, USA
| | - Shahrose Rahman
- Department of Surgery, Oregon Health & Science University, Portland, OR, USA
| | - Issac R Schwantes
- Department of Surgery, Oregon Health & Science University, Portland, OR, USA
| | - Marisa Sewell
- Department of Surgery, Oregon Health & Science University, Portland, OR, USA
| | - Nicole R Giske
- Department of Cell, Developmental and Cancer Biology, Oregon Health & Science University, Portland, OR, USA
| | - Riley M Whalen
- Department of Cell, Developmental and Cancer Biology, Oregon Health & Science University, Portland, OR, USA
| | - Naside Gozde Durmus
- Molecular Imaging Program at Stanford (MIPS), Department of Radiology, Stanford University School of Medicine, Palo Alto, CA, USA
| | - Melissa H Wong
- Department of Cell, Developmental and Cancer Biology, Oregon Health & Science University, Portland, OR, USA.
- Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA.
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5
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Tajima Y, Shibasaki F, Masai H. Cell fusion upregulates PD-L1 expression for evasion from immunosurveillance. Cancer Gene Ther 2024; 31:158-173. [PMID: 37990063 DOI: 10.1038/s41417-023-00693-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 10/22/2023] [Accepted: 11/07/2023] [Indexed: 11/23/2023]
Abstract
MSCs (mesenchymal stem cells), responsible for tissue repair, rarely undergo cell fusion with somatic cells. Here, we show that ~5% of bladder cancer cells (UMUC-3) fuses with bone marrow-derived MSC (BM-MSC) in co-culture and maintains high tumorigenicity. In eleven fusion cell clones that have been established, Mb-scale deletions carried by the bladder cancer cells are mostly absent in the fusion cells, but copy number gains contributed by the cancer cells have stayed. Fusion cells exhibit increased populations of mitotic cells with 3-polar spindles, indicative of genomic instability. They grow faster in vitro and exhibit higher colony formation in anchorage-independent growth assay in soft agar than the parent UMUC-3 does. Fusion cells develop tumors, after 4 weeks of time lag, as efficiently as the parent UMUC-3 does in xenograft experiments. 264 genes are identified whose expression is specifically altered in the fusion cells. Many of them are interferon-stimulated genes (ISG), but are activated in a manner independent of interferon. Among them, we show that PD-L1 is induced in fusion cells, and its knockout decreases tumorigenesis in a xenograft model. PD-L1 is induced in a manner independent of STAT1 known to regulate PD-L1 expression, but is regulated by histone modification, and is likely to inhibit phagocytosis by PD1-expressing macrophages, thus protecting cancer cells from immunological attacks. The fusion cells overexpress multiple cytokines including CCL2 that cause tumor progression by converting infiltrating macrophages to tumor-associated-macrophage (TAM). The results present mechanisms of how cell fusion promotes tumorigenesis, revealing a novel link between cell fusion and PD-L1, and underscore the efficacy of cancer immunotherapy.
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Affiliation(s)
- Youichi Tajima
- Genome Dynamics Project, Department of Basic Medical Sciences, Tokyo Metropolitan Institute of Medical Science, Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan.
| | - Futoshi Shibasaki
- Center for Medical Research Cooperation, Tokyo Metropolitan Institute of Medical Science, Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan
| | - Hisao Masai
- Genome Dynamics Project, Department of Basic Medical Sciences, Tokyo Metropolitan Institute of Medical Science, Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan.
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6
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Loeb AM, Pattwell SS, Meshinchi S, Bedalov A, Loeb KR. Donor bone marrow-derived macrophage engraftment into the central nervous system of patients following allogeneic transplantation. Blood Adv 2023; 7:5851-5859. [PMID: 37315172 PMCID: PMC10558597 DOI: 10.1182/bloodadvances.2023010409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 06/02/2023] [Accepted: 06/13/2023] [Indexed: 06/16/2023] Open
Abstract
Hematopoietic stem cell transplantation is a well-known treatment for hematologic malignancies, wherein nascent stem cells provide regenerating marrow and immunotherapy against the tumor. The progeny of hematopoietic stem cells also populate a wide spectrum of tissues, including the brain, as bone marrow-derived macrophages similar to microglial cells. We developed a sensitive and novel combined immunohistochemistry (IHC) and XY fluorescence in situ hybridization assay to detect, quantify, and characterize donor cells in the cerebral cortices of 19 female patients who underwent allogeneic stem cell transplantation. We showed that the number of male donor cells ranged from 0.14% to 3.0% of the total cells or from 1.2% to 25% of microglial cells. Using tyramide-based fluorescent IHC, we found that at least 80% of the donor cells expressed the microglial marker ionized calcium-binding adapter molecule-1, consistent with bone marrow-derived macrophages. The percentage of donor cells was related to pretransplantation conditioning; donor cells from radiation-based myeloablative cases averaged 8.1% of microglial cells, whereas those from nonmyeloablative cases averaged only 1.3%. The number of donor cells in patients conditioned with busulfan- or treosulfan-based myeloablation was similar to that in total body irradiation-based conditioning; donor cells averaged 6.8% of the microglial cells. Notably, patients who received multiple transplantations and those with the longest posttransplantation survival had the highest level of donor engraftment, with donor cells averaging 16.3% of the microglial cells. Our work represents the largest study characterizing bone marrow-derived macrophages in patients after transplantation. The efficiency of engraftment observed in our study warrants future research on microglial replacement as a therapeutic option for disorders of the central nervous system.
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Affiliation(s)
| | - Siobhan S. Pattwell
- Fred Hutchinson Cancer Research Center, Seattle, WA
- Ben Towne Center for Childhood Cancer Research, Seattle Children’s Research Institute, Seattle, WA
- Department of Pediatrics, University of Washington, Seattle, WA
| | - Soheil Meshinchi
- Fred Hutchinson Cancer Research Center, Seattle, WA
- Department of Pediatrics, University of Washington, Seattle, WA
| | - Antonio Bedalov
- Fred Hutchinson Cancer Research Center, Seattle, WA
- Department of Medicine, University of Washington, Seattle, WA
| | - Keith R. Loeb
- Fred Hutchinson Cancer Research Center, Seattle, WA
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA
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7
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Dittmar T, Sieler M, Hass R. Why do certain cancer cells alter functionality and fuse? Biol Chem 2023; 404:951-960. [PMID: 37246410 DOI: 10.1515/hsz-2023-0162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 05/11/2023] [Indexed: 05/30/2023]
Abstract
Cancer cell fusion represents a rare event. However, the surviving cancer hybrid cells after a post-hybrid selection process (PHSP) can overgrow other cancer cells by exhibiting a proliferation advantage and/or expression of cancer stem-like properties. Addition of new tumor properties during hetero-fusion of cancer cells e.g. with mesenchymal stroma-/stem-like cells (MSC) contribute to enhanced tumor plasticity via acquisition of new/altered functionalities. This provides new avenues for tumor development and metastatic behavior. Consequently, the present review article will also address the question as to whether cancer cell fusion represents a general and possibly evolutionary-conserved program or rather a random process?
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Affiliation(s)
- Thomas Dittmar
- Institute of Immunology, Center for Biomedical Education and Research (ZBAF), Witten/Herdecke University, Stockumer Str. 10, D-58448 Witten, Germany
| | - Mareike Sieler
- Institute of Immunology, Center for Biomedical Education and Research (ZBAF), Witten/Herdecke University, Stockumer Str. 10, D-58448 Witten, Germany
| | - Ralf Hass
- Department of Obstetrics and Gynecology, Biochemistry and Tumor Biology Laboratory, Hannover Medical School, D-30625 Hannover, Germany
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8
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Tang Z, Liu Y, Xiang H, Dai X, Huang X, Ju Y, Ni N, Huang R, Gao H, Zhang J, Fan X, Su Y, Chen Y, Gu P. Bifunctional MXene-Augmented Retinal Progenitor Cell Transplantation for Retinal Degeneration. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2302747. [PMID: 37379237 PMCID: PMC10477897 DOI: 10.1002/advs.202302747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 06/07/2023] [Indexed: 06/30/2023]
Abstract
Retinal degeneration, characterized by the progressive loss of retinal neurons, is the leading cause of incurable visual impairment. Retinal progenitor cells (RPCs)-based transplantation can facilitate sight restoration, but the clinical efficacy of this process is compromised by the imprecise neurogenic differentiation of RPCs and undermining function of transplanted cells surrounded by severely oxidative retinal lesions. Here, it is shown that ultrathin niobium carbide (Nb2 C) MXene enables performance enhancement of RPCs for retinal regeneration. Nb2 C MXene with moderate photothermal effect markedly improves retinal neuronal differentiation of RPCs by activating intracellular signaling, in addition to the highly effective RPC protection by scavenging free radicals concurrently, which has been solidly evidenced by the comprehensive biomedical assessments and theoretical calculations. A dramatically increased neuronal differentiation is observed upon subretinal transplantation of MXene-assisted RPCs into the typical retinal degeneration 10 (rd10) mice, thereby contributing to the efficient restoration of retinal architecture and visual function. The dual-intrinsic function of MXene synergistically aids RPC transplantation, which represents an intriguing paradigm in vision-restoration research filed, and will broaden the multifunctionality horizon of nanomedicine.
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Affiliation(s)
- Zhimin Tang
- Department of OphthalmologyShanghai Ninth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011P. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyShanghai200011P. R. China
| | - Yan Liu
- Department of OphthalmologyShanghai Ninth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011P. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyShanghai200011P. R. China
| | - Huijing Xiang
- Materdicine LabSchool of Life SciencesShanghai UniversityShanghai200444P. R. China
| | - Xinyue Dai
- Materdicine LabSchool of Life SciencesShanghai UniversityShanghai200444P. R. China
| | - Xiaolin Huang
- Department of OphthalmologyShanghai Ninth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011P. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyShanghai200011P. R. China
| | - Yahan Ju
- Department of OphthalmologyShanghai Ninth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011P. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyShanghai200011P. R. China
| | - Ni Ni
- Department of OphthalmologyShanghai Ninth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011P. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyShanghai200011P. R. China
| | - Rui Huang
- Department of OphthalmologyShanghai Ninth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011P. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyShanghai200011P. R. China
| | - Huiqin Gao
- Department of OphthalmologyShanghai Ninth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011P. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyShanghai200011P. R. China
| | - Jing Zhang
- Department of OphthalmologyShanghai Ninth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011P. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyShanghai200011P. R. China
| | - Xianqun Fan
- Department of OphthalmologyShanghai Ninth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011P. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyShanghai200011P. R. China
| | - Yun Su
- Department of OphthalmologyShanghai Ninth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011P. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyShanghai200011P. R. China
| | - Yu Chen
- Materdicine LabSchool of Life SciencesShanghai UniversityShanghai200444P. R. China
| | - Ping Gu
- Department of OphthalmologyShanghai Ninth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011P. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyShanghai200011P. R. China
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9
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Gallerani G, Rossi T, Ferracin M, Bonafè M. Settling the uncertainty about unconventional circulating tumor cells: Epithelial-to-mesenchymal transition, cell fusion and trogocytosis. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2023; 381:99-111. [PMID: 37739485 DOI: 10.1016/bs.ircmb.2023.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/24/2023]
Abstract
Circulating tumor cells (CTCs) were first described 150 years ago. The so-called "classical" CTC populations (EpCAM+/CK+/CD45-) have been fully characterized and proposed as the most representative CTC subset, with clinical relevance. Nonetheless, other "atypical" or "unconventional" CTCs have also been identified, and their critical role in metastasis formation was demonstrated. In this chapter we illustrate the studies that led to the discovery of unconventional CTCs, defined as CTCs that display both epithelial and mesenchymal markers, or both cancer and immune markers, also in the form of hybrid cancer-immune cells. We also present biological explanations for the origin of these unconventional CTCs: epithelial to mesenchymal transition, cell-cell fusion and trogocytosis. We believe that a deeper knowledge on the biology of CTCs is needed to fully elucidate their role in cancer progression and their use as cancer biomarkers.
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Affiliation(s)
- Giulia Gallerani
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Bologna, Italy.
| | - Tania Rossi
- Biosciences Laboratory, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) "Dino Amadori", Meldola, Italy
| | - Manuela Ferracin
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Bologna, Italy; IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Massimiliano Bonafè
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Bologna, Italy; IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
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10
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Pluchino S, Prasad P. Oligodendroglia-to-neuron material transfer lights up the mouse CNS. J Exp Med 2023; 220:e20230489. [PMID: 37078982 PMCID: PMC10125899 DOI: 10.1084/jem.20230489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/21/2023] Open
Abstract
Intercellular material transfer in the central nervous system (CNS) supports neuronal survival and activity. Mayrhofer et al. (2023. J. Exp. Med.https://doi.org/10.1084/jem.20221632) characterize extensive regionally coordinated transfer of oligodendroglial ribosomal and nuclear material toward neurons, linked to satellite oligodendrocyte-neuron pairs in the mouse CNS.
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Affiliation(s)
- Stefano Pluchino
- Department of Clinical Neurosciences and NIHR Biomedical Research Centre, University of Cambridge, Cambridge, UK
| | - Pranathi Prasad
- Department of Clinical Neurosciences and NIHR Biomedical Research Centre, University of Cambridge, Cambridge, UK
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11
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Cozzo AJ, Coleman MF, Hursting SD. You complete me: tumor cell-myeloid cell nuclear fusion as a facilitator of organ-specific metastasis. Front Oncol 2023; 13:1191332. [PMID: 37427108 PMCID: PMC10324515 DOI: 10.3389/fonc.2023.1191332] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 05/25/2023] [Indexed: 07/11/2023] Open
Abstract
Every cancer genome is unique, resulting in potentially near infinite cancer cell phenotypes and an inability to predict clinical outcomes in most cases. Despite this profound genomic heterogeneity, many cancer types and subtypes display a non-random distribution of metastasis to distant organs, a phenomenon known as organotropism. Proposed factors in metastatic organotropism include hematogenous versus lymphatic dissemination, the circulation pattern of the tissue of origin, tumor-intrinsic factors, compatibility with established organ-specific niches, long-range induction of premetastatic niche formation, and so-called "prometastatic niches" that facilitate successful colonization of the secondary site following extravasation. To successfully complete the steps required for distant metastasis, cancer cells must evade immunosurveillance and survive in multiple new and hostile environments. Despite substantial advances in our understanding of the biology underlying malignancy, many of the mechanisms used by cancer cells to survive the metastatic journey remain a mystery. This review synthesizes the rapidly growing body of literature demonstrating the relevance of an unusual cell type known as "fusion hybrid" cells to many of the hallmarks of cancer, including tumor heterogeneity, metastatic conversion, survival in circulation, and metastatic organotropism. Whereas the concept of fusion between tumor cells and blood cells was initially proposed over a century ago, only recently have technological advancements allowed for detection of cells containing components of both immune and neoplastic cells within primary and metastatic lesions as well as among circulating malignant cells. Specifically, heterotypic fusion of cancer cells with monocytes and macrophages results in a highly heterogeneous population of hybrid daughter cells with enhanced malignant potential. Proposed mechanisms behind these findings include rapid, massive genome rearrangement during nuclear fusion and/or acquisition of monocyte/macrophage features such as migratory and invasive capability, immune privilege, immune cell trafficking and homing, and others. Rapid acquisition of these cellular traits may increase the likelihood of both escape from the primary tumor site and extravasation of hybrid cells at a secondary location that is amenable to colonization by that particular hybrid phenotype, providing a partial explanation for the patterns observed in some cancers with regard to sites of distant metastases.
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Affiliation(s)
- Alyssa J. Cozzo
- Duke University School of Medicine, Durham, NC, United States
- Department of Pathology, Duke University Medical Center, Durham, NC, United States
| | - Michael F. Coleman
- Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Stephen D. Hursting
- Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Nutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, NC, United States
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12
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Li M, Basile JR, Mallya S, Lin YL. The impact and outcomes of cancer-macrophage fusion. BMC Cancer 2023; 23:497. [PMID: 37264310 PMCID: PMC10236829 DOI: 10.1186/s12885-023-10961-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 05/14/2023] [Indexed: 06/03/2023] Open
Abstract
BACKGROUND Cancer's hallmark feature is its ability to evolve, leading to metastasis and recurrence. Although genetic mutations and epigenetic changes have been implicated, they don't fully explain the leukocytic traits that many cancers develop. Cell fusion between cancer and somatic cells, particularly macrophages, has been suggested as an alternative pathway for cancer cells to obtain new traits by acquiring exogenous genetic material. METHODS This study aims to investigate the potential biological outcomes of tumor-myeloid cell fusion by generating tumor-macrophage hybrid cells. Two clones with markedly different tumorigenicity were selected, and RNA-seq was used to compare their RNA expressions with that of the control cells. Based on the results that the hybrid cells showed differential activation in several upstream regulator pathways that impact their biological behaviors, the hybrid cells' abilities to recruit stromal cells and establish angiogenesis as well as their cell cycle distributions were investigated through in vitro and in vivo studies. RESULTS Although both hybrid clones demonstrated p53 activation and reduced growth rates, they exhibited distinct cell cycle distributions and ability to grow in vivo. Notably, while one clone was highly tumorigenic, the other showed little tumorigenicity. Despite these differences, both hybrid clones were potent environmental modifiers, exhibiting significant abilities to recruit stromal and immune cells and establish angiogenesis. CONCLUSIONS The study revealed that tumor-somatic cell fusion is a potent environmental modifier that can modulate tumor survival and evolution, despite its relatively low occurrence. These findings suggest that tumor-somatic cell fusion could be a promising target for developing new cancer therapies. Furthermore, this study provides an experimental animal platform to investigate cancer-myeloid fusion and highlights the potential role of tumor-somatic cell fusion in modulating the tumor environment.
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Affiliation(s)
- Mengtao Li
- Division of Diagnostic and Surgical Sciences, School of Dentistry, University of California, CHS 23-068B. 10833 Le Conte Ave, Los Angeles, CA, 90095, USA
| | - John R Basile
- Department of Oncology and Diagnostic Sciences, University of Maryland Dental School, Baltimore, MD, USA
- Department of Oncology and Diagnostic Sciences, University of Maryland Dental School, 650 W. Baltimore St, Baltimore, MD, 7261, 21201, USA
| | - Sanjay Mallya
- Division of Diagnostic and Surgical Sciences, School of Dentistry, University of California, CHS 23-068B. 10833 Le Conte Ave, Los Angeles, CA, 90095, USA
| | - Yi-Ling Lin
- Division of Diagnostic and Surgical Sciences, School of Dentistry, University of California, CHS 23-068B. 10833 Le Conte Ave, Los Angeles, CA, 90095, USA.
- Gene regulation program, Jonsson Comprehensive Cancer Center, University of California, Los Angeles, CA, USA.
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13
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Kalgudde Gopal S, Dai R, Stefanska AM, Ansari M, Zhao J, Ramesh P, Bagnoli JW, Correa-Gallegos D, Lin Y, Christ S, Angelidis I, Lupperger V, Marr C, Davies LC, Enard W, Machens HG, Schiller HB, Jiang D, Rinkevich Y. Wound infiltrating adipocytes are not myofibroblasts. Nat Commun 2023; 14:3020. [PMID: 37230982 DOI: 10.1038/s41467-023-38591-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 05/09/2023] [Indexed: 05/27/2023] Open
Abstract
The origins of wound myofibroblasts and scar tissue remains unclear, but it is assumed to involve conversion of adipocytes into myofibroblasts. Here, we directly explore the potential plasticity of adipocytes and fibroblasts after skin injury. Using genetic lineage tracing and live imaging in explants and in wounded animals, we observe that injury induces a transient migratory state in adipocytes with vastly distinct cell migration patterns and behaviours from fibroblasts. Furthermore, migratory adipocytes, do not contribute to scar formation and remain non-fibrogenic in vitro, in vivo and upon transplantation into wounds in animals. Using single-cell and bulk transcriptomics we confirm that wound adipocytes do not convert into fibrogenic myofibroblasts. In summary, the injury-induced migratory adipocytes remain lineage-restricted and do not converge or reprogram into a fibrosing phenotype. These findings broadly impact basic and translational strategies in the regenerative medicine field, including clinical interventions for wound repair, diabetes, and fibrotic pathologies.
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Affiliation(s)
- Shruthi Kalgudde Gopal
- Institute of Regenerative Biology and Medicine, Helmholtz Center Munich, Munich, Germany
- Institute of Lung Health and Immunity, Helmholtz Center Munich, Munich, Germany
| | - Ruoxuan Dai
- Institute of Regenerative Biology and Medicine, Helmholtz Center Munich, Munich, Germany
| | - Ania Maria Stefanska
- Institute of Regenerative Biology and Medicine, Helmholtz Center Munich, Munich, Germany
| | - Meshal Ansari
- Institute of Lung Health and Immunity, Helmholtz Center Munich, Munich, Germany
- Institute of AI for Health, Helmholtz Center Munich, Munich, Germany
| | - Jiakuan Zhao
- Institute of Regenerative Biology and Medicine, Helmholtz Center Munich, Munich, Germany
| | - Pushkar Ramesh
- Institute of Regenerative Biology and Medicine, Helmholtz Center Munich, Munich, Germany
| | - Johannes W Bagnoli
- Anthropology and Human Genomics, Faculty of Biology, Ludwig-Maximilian University Munich, Munich, Germany
| | | | - Yue Lin
- Institute of Regenerative Biology and Medicine, Helmholtz Center Munich, Munich, Germany
| | - Simon Christ
- Institute of Regenerative Biology and Medicine, Helmholtz Center Munich, Munich, Germany
| | - Ilias Angelidis
- Institute of Lung Health and Immunity, Helmholtz Center Munich, Munich, Germany
| | - Valerio Lupperger
- Institute of AI for Health, Helmholtz Center Munich, Munich, Germany
| | - Carsten Marr
- Institute of AI for Health, Helmholtz Center Munich, Munich, Germany
| | - Lindsay C Davies
- Department of Microbiology, Tumour and Cell Biology (MTC), Karolinska Institute, Stockholm, Sweden
| | - Wolfgang Enard
- Anthropology and Human Genomics, Faculty of Biology, Ludwig-Maximilian University Munich, Munich, Germany
| | - Hans-Günther Machens
- Department of Plastic and Hand Surgery, Klinikum rechts der Isar, School of Medicine, Technical University of Munich, Munich, Germany
| | - Herbert B Schiller
- Institute of Lung Health and Immunity, Helmholtz Center Munich, Munich, Germany.
| | - Dongsheng Jiang
- Institute of Regenerative Biology and Medicine, Helmholtz Center Munich, Munich, Germany.
| | - Yuval Rinkevich
- Institute of Regenerative Biology and Medicine, Helmholtz Center Munich, Munich, Germany.
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14
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Dittmar T, Hass R. Intrinsic signalling factors associated with cancer cell-cell fusion. Cell Commun Signal 2023; 21:68. [PMID: 37016404 PMCID: PMC10071245 DOI: 10.1186/s12964-023-01085-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 02/21/2023] [Indexed: 04/06/2023] Open
Abstract
Cellular fusion e.g. between cancer cells and normal cells represents a stepwise process that is tightly regulated. During a pre-hybrid preparation program somatic cells and/or cancer cells are promoted to a pro-fusogenic state as a prerequisite to prepare a fusion process. A pro-fusogenic state requires significant changes including restructure of the cytoskeleton, e.g., by the formation of F-actin. Moreover, distinct plasma membrane lipids such as phosphatidylserine play an important role during cell fusion. In addition, the expression of distinct fusogenic factors such as syncytins and corresponding receptors are of fundamental importance to enable cellular mergers. Subsequent hybrid formation and fusion are followed by a post-hybrid selection process. Fusion among normal cells is important and often required during organismal development. Cancer cells fusion appears more rarely and is associated with the generation of new cancer hybrid cell populations. These cancer hybrid cells contribute to an elevated tumour plasticity by altered metastatic behaviour, changes in therapeutic and apoptotic responses, and even in the formation of cancer stem/ initiating cells. While many parts within this multi-step cascade are still poorly understood, this review article predominantly focusses on the intracellular necessities for fusion among cancer cells or with other cell populations of the tumour microenvironment. Video Abstract.
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Affiliation(s)
- Thomas Dittmar
- Institute of Immunology, Centre for Biomedical Education and Research (ZBAF), Witten/Herdecke University, Stockumer Str. 10, 58448, Witten, Germany.
| | - Ralf Hass
- Biochemistry and Tumor Biology Laboratory, Department of Obstetrics and Gynaecology, Hannover Medical School, 30625, Hannover, Germany.
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15
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Eid RA, Alaa Edeen M, Shedid EM, Kamal ASS, Warda MM, Mamdouh F, Khedr SA, Soltan MA, Jeon HW, Zaki MSA, Kim B. Targeting Cancer Stem Cells as the Key Driver of Carcinogenesis and Therapeutic Resistance. Int J Mol Sci 2023; 24:ijms24021786. [PMID: 36675306 PMCID: PMC9861138 DOI: 10.3390/ijms24021786] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 12/08/2022] [Accepted: 12/09/2022] [Indexed: 01/18/2023] Open
Abstract
The emerging concept of cancer stem cells (CSCs) as the key driver behind carcinogenesis, progression, and diversity has displaced the prior model of a tumor composed of cells with similar subsequently acquired mutations and an equivalent capacity for renewal, invasion, and metastasis. This significant change has shifted the research focus toward targeting CSCs to eradicate cancer. CSCs may be characterized using cell surface markers. They are defined by their capacity to self-renew and differentiate, resist conventional therapies, and generate new tumors following repeated transplantation in xenografted mice. CSCs' functional capabilities are governed by various intracellular and extracellular variables such as pluripotency-related transcription factors, internal signaling pathways, and external stimuli. Numerous natural compounds and synthetic chemicals have been investigated for their ability to disrupt these regulatory components and inhibit stemness and terminal differentiation in CSCs, hence achieving clinical implications. However, no cancer treatment focuses on the biological consequences of these drugs on CSCs, and their functions have been established. This article provides a biomedical discussion of cancer at the time along with an overview of CSCs and their origin, features, characterization, isolation techniques, signaling pathways, and novel targeted therapeutic approaches. Additionally, we highlighted the factors endorsed as controlling or helping to promote stemness in CSCs. Our objective was to encourage future studies on these prospective treatments to develop a framework for their application as single or combined therapeutics to eradicate various forms of cancer.
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Affiliation(s)
- Refaat A. Eid
- Pathology Department, College of Medicine, King Khalid University, Abha P.O. Box 62529, Saudi Arabia
| | - Muhammad Alaa Edeen
- Cell Biology, Histology & Genetics Division, Biology Department, Faculty of Science, Zagazig University, Zagazig 44519, Egypt
- Correspondence: (M.A.E.); (B.K.)
| | - Eslam M. Shedid
- Biotechnology Division, Zoology Department, Faculty of Science, Benha University, Al Qalyubia Governorate, Banha 13511, Egypt
| | - Al Shaimaa S. Kamal
- Biotechnology Department, Faculty of Agriculture, Benha University, Al Qalyubia Governorate, Banha 13511, Egypt
| | - Mona M. Warda
- Biotechnology Division, Zoology Department, Faculty of Science, Benha University, Al Qalyubia Governorate, Banha 13511, Egypt
| | - Farag Mamdouh
- Biotechnology Division, Zoology Department, Faculty of Science, Benha University, Al Qalyubia Governorate, Banha 13511, Egypt
| | - Sohila A. Khedr
- Industrial Biotechnology Department, Faculty of Science, Tanta University, Tanta 31733, Egypt
| | - Mohamed A. Soltan
- Department of Microbiology and Immunology, Faculty of Pharmacy, Sinai University, Ismailia 41611, Egypt
| | - Hee Won Jeon
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Mohamed Samir A. Zaki
- Anatomy Department, College of Medicine, King Khalid University, Abha P.O. Box 62529, Saudi Arabia
- Department of Histology and Cell Biology, College of Medicine, Zagazig University, Zagazig 31527, Egypt
| | - Bonglee Kim
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
- Correspondence: (M.A.E.); (B.K.)
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16
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Dittmar T, Hass R. Extracellular Events Involved in Cancer Cell-Cell Fusion. Int J Mol Sci 2022; 23:ijms232416071. [PMID: 36555709 PMCID: PMC9784959 DOI: 10.3390/ijms232416071] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
Fusion among different cell populations represents a rare process that is mediated by both intrinsic and extracellular events. Cellular hybrid formation is relayed by orchestrating tightly regulated signaling pathways that can involve both normal and neoplastic cells. Certain important cell merger processes are often required during distinct organismal and tissue development, including placenta and skeletal muscle. In a neoplastic environment, however, cancer cell fusion can generate new cancer hybrid cells. Following survival during a subsequent post-hybrid selection process (PHSP), the new cancer hybrid cells express different tumorigenic properties. These can include elevated proliferative capacity, increased metastatic potential, resistance to certain therapeutic compounds, and formation of cancer stem-like cells, all of which characterize significantly enhanced tumor plasticity. However, many parts within this multi-step cascade are still poorly understood. Aside from intrinsic factors, cell fusion is particularly affected by extracellular conditions, including an inflammatory microenvironment, viruses, pH and ionic stress, hypoxia, and exosome signaling. Accordingly, the present review article will primarily highlight the influence of extracellular events that contribute to cell fusion in normal and tumorigenic tissues.
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Affiliation(s)
- Thomas Dittmar
- Institute of Immunology, Center for Biomedical Education and Research (ZBAF), Witten/Herdecke University, Stockumer Str. 10, 58448 Witten, Germany
- Correspondence: (T.D.); (R.H.); Tel.: +49-2302-926165 (T.D.); +49-5115-326070 (R.H.)
| | - Ralf Hass
- Biochemistry and Tumor Biology Laboratory, Department of Obstetrics and Gynecology, Hannover Medical School, 30625 Hannover, Germany
- Correspondence: (T.D.); (R.H.); Tel.: +49-2302-926165 (T.D.); +49-5115-326070 (R.H.)
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17
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Differentiation Capacity of Bone Marrow-Derived Rat Mesenchymal Stem Cells from DsRed and Cre Transgenic Cre/ loxP Models. Cells 2022; 11:cells11172769. [PMID: 36078177 PMCID: PMC9455627 DOI: 10.3390/cells11172769] [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: 07/26/2022] [Revised: 08/23/2022] [Accepted: 08/26/2022] [Indexed: 11/26/2022] Open
Abstract
Cre/loxP recombination is a well-established technique increasingly used for modifying DNA both in vitro and in vivo. Nucleotide alterations can be edited in the genomes of mammalian cells, and genetic switches can be designed to target the expression or excision of a gene in any tissue at any time in animal models. In this study, we propose a system which worked via the Cre/loxP switch gene and DsRed/emGFP dual-color fluorescence imaging. Mesenchymal stem cells (MSCs) can be used to regenerate damaged tissue because of their differentiation capacity. Although previous studies have presented evidence of fusion of transplanted MSCs with recipient cells, the possibility of fusion in such cases remains debated. Moreover, the effects and biological implications of the fusion of MSCs at the tissue and organ level have not yet been elucidated. Thus, the method for determining this issue is significant and the models we proposed can illustrate the question. However, the transgenic rats exhibited growth slower than that of wild-type rats over several weeks. The effects on the stemness, proliferation, cell cycle, and differentiation ability of bone marrow–derived rat MSCs (BM-rMSCs) from the models were examined to ensure our design was appropriate for the in vivo application. We demonstrated that MSC surface markers were maintained in DsRed and Cre transgenic rMSCs (DsRed-rMSCs and Cre-rMSCs, respectively). A WST-8 assay revealed decreased proliferative activity in these DsRed-rMSCs and Cre-rMSCs; this result was validated through cell counting. Furthermore, cell cycle analysis indicated a decrease in the proportion of G1-phase cells and a concomitant increase in the proportion of S-phase cells. The levels of cell cycle–related proteins also decreased in the DsRed-rMSCs and Cre-rMSCs, implying decelerated phase transition. However, the BM-rMSCs collected from the transgenic rats did not exhibit altered adipogenesis, osteogenesis, or chondrogenesis. The specific markers of these types of differentiation were upregulated after induction. Therefore, BM-rMSCs from DsRed and Cre transgenic models can be used to investigate the behavior of MSCs and related mechanisms. Such application may further the development of stem cell therapy for tissue damage and other diseases.
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18
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Sutton TL, Patel RK, Anderson AN, Bowden SG, Whalen R, Giske NR, Wong MH. Circulating Cells with Macrophage-like Characteristics in Cancer: The Importance of Circulating Neoplastic-Immune Hybrid Cells in Cancer. Cancers (Basel) 2022; 14:cancers14163871. [PMID: 36010865 PMCID: PMC9405966 DOI: 10.3390/cancers14163871] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/08/2022] [Accepted: 08/09/2022] [Indexed: 12/14/2022] Open
Abstract
Simple Summary In cancer, disseminated neoplastic cells circulating in blood are a source of tumor DNA, RNA, and protein, which can be harnessed to diagnose, monitor, and better understand the biology of the tumor from which they are derived. Historically, circulating tumor cells (CTCs) have dominated this field of study. While CTCs are shed directly into circulation from a primary tumor, they remain relatively rare, particularly in early stages of disease, and thus are difficult to utilize as a reliable cancer biomarker. Neoplastic-immune hybrid cells represent a novel subpopulation of circulating cells that are more reliably attainable as compared to their CTC counterparts. Here, we review two recently identified circulating cell populations in cancer—cancer-associated macrophage-like cells and circulating hybrid cells—and discuss the future impact for the exciting area of disseminated hybrid cells. Abstract Cancer remains a significant cause of mortality in developed countries, due in part to difficulties in early detection, understanding disease biology, and assessing treatment response. If effectively harnessed, circulating biomarkers promise to fulfill these needs through non-invasive “liquid” biopsy. While tumors disseminate genetic material and cellular debris into circulation, identifying clinically relevant information from these analytes has proven difficult. In contrast, cell-based circulating biomarkers have multiple advantages, including a source for tumor DNA and protein, and as a cellular reflection of the evolving tumor. While circulating tumor cells (CTCs) have dominated the circulating cell biomarker field, their clinical utility beyond that of prognostication has remained elusive, due to their rarity. Recently, two novel populations of circulating tumor-immune hybrid cells in cancer have been characterized: cancer-associated macrophage-like cells (CAMLs) and circulating hybrid cells (CHCs). CAMLs are macrophage-like cells containing phagocytosed tumor material, while CHCs can result from cell fusion between cancer and immune cells and play a role in the metastatic cascade. Both are detected in higher numbers than CTCs in peripheral blood and demonstrate utility in prognostication and assessing treatment response. Additionally, both cell populations are heterogeneous in their genetic, transcriptomic, and proteomic signatures, and thus have the potential to inform on heterogeneity within tumors. Herein, we review the advances in this exciting field.
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Affiliation(s)
- Thomas L. Sutton
- Department of Surgery, Oregon Health & Science University, Portland, OR 97239, USA
| | - Ranish K. Patel
- Department of Surgery, Oregon Health & Science University, Portland, OR 97239, USA
| | - Ashley N. Anderson
- Department of Cell, Developmental and Cancer Biology, Oregon Health & Science University, Portland, OR 97201, USA
| | - Stephen G. Bowden
- Department of Neurological Surgery, Oregon Health & Science University, Portland, OR 97239, USA
| | - Riley Whalen
- Department of Cell, Developmental and Cancer Biology, Oregon Health & Science University, Portland, OR 97201, USA
| | - Nicole R. Giske
- Department of Cell, Developmental and Cancer Biology, Oregon Health & Science University, Portland, OR 97201, USA
| | - Melissa H. Wong
- Department of Cell, Developmental and Cancer Biology, Oregon Health & Science University, Portland, OR 97201, USA
- Knight Cancer Institute, Oregon Health & Science University, Portland, OR 97201, USA
- Correspondence: ; Tel.: +1-503-494-8749; Fax: +1-503-494-4253
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19
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Azizi Z, Abbaszadeh R, Sahebnasagh R, Norouzy A, Motevaseli E, Maedler K. Bone marrow mesenchymal stromal cells for diabetes therapy: touch, fuse, and fix? Stem Cell Res Ther 2022; 13:348. [PMID: 35883121 PMCID: PMC9327419 DOI: 10.1186/s13287-022-03028-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 07/04/2022] [Indexed: 12/26/2022] Open
Abstract
Bone marrow mesenchymal stromal cells (BM-MSCs) have anti-inflammatory and pro-survival properties. Naturally, they do not express human leukocyte antigen class II surface antigens and have immunosuppressive capabilities. Together with their relatively easy accessibility and expansion, they are an attractive tool for organ support in transplantation and regenerative therapy. Autologous BM-MSC transplantation alone or together with transplanted islets improves β-cell function, graft survival, and glycemic control in diabetes. Albeit MSCs’ capacity to transdifferentiate into β-cell is limited, their protective effects are mediated mainly by paracrine mechanisms through BM-MSCs circulating through the body. Direct cell–cell contact and spontaneous fusion of BM-MSCs with injured cells, although at a very low rate, are further mechanisms of their supportive effect and for tissue regeneration. Diabetes is a disease of long-term chronic inflammation and cell therapy requires stable, highly functional cells. Several tools and protocols have been developed by mimicking natural fusion events to induce and accelerate fusion in vitro to promote β-cell-specific gene expression in fused cells. BM-MSC-islet fusion before transplantation may be a strategy for long-term islet survival and improved function. This review discusses the cell-protective and anti-inflammatory characteristics of BM-MSCs to boost highly functional insulin-producing cells in vitro and in vivo, and the efficacy of their fusion with β-cells as a path to promote β-cell regeneration.
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Affiliation(s)
- Zahra Azizi
- Department of Molecular Medicine, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, No. 88, Italia St, Keshavarz Blvd., Tehran, Iran.
| | - Roya Abbaszadeh
- Department of Biology, Philipps-University Marburg, Marburg, Germany
| | - Roxana Sahebnasagh
- Department of Molecular Medicine, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, No. 88, Italia St, Keshavarz Blvd., Tehran, Iran
| | - Amir Norouzy
- Department of Energy & Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Elahe Motevaseli
- Department of Molecular Medicine, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, No. 88, Italia St, Keshavarz Blvd., Tehran, Iran
| | - Kathrin Maedler
- Islet Biology Laboratory, Centre for Biomolecular Interactions Bremen, University of Bremen,, Leobener Straße 5, NW2, 28359, Bremen, Germany.
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20
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Belansky J, Yelin D. Optimization study of plasmonic cell fusion. Sci Rep 2022; 12:7159. [PMID: 35504928 PMCID: PMC9065096 DOI: 10.1038/s41598-022-11168-x] [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: 12/05/2021] [Accepted: 04/07/2022] [Indexed: 11/28/2022] Open
Abstract
Artificial cell fusion often serves as a valuable tool for studying different applications in biology and medicine, including natural development, immune response, cancer metastasis and production of therapeutic molecules. Plasmonic cell fusion, a technique that uses specific cell labeling by gold nanoparticles and resonant femtosecond pulse irradiation for fusing neighboring cells, has been demonstrated useful for such applications, allowing high cell specificity and an overall low toxicity. Despite these advantages, the numerous experimental factors contributing to plasmonic fusion have often led to subpar fusion efficiencies, requiring repeated experiments and extensive calibration protocols for achieving optimal results. In this work we present a study that aims to improve the overall performance of plasmonic cell fusion in terms of fusion efficiency and cell viability. By varying the pulse fluence, nanoparticle concentration, incubation times, and culture handling protocols, we demonstrate up to 100% fusion of malignant epithelial cells across the entire irradiated area of the culture. We also show that some of the smaller cells may stay viable for up to several days. The results would allow plasmonic fusion to play a key role in numerous studies and applications that require specific, high-efficiency cell-cell fusion.
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Affiliation(s)
- Julia Belansky
- Russel Berrie Nanotechnology Institute, Technion, 32000, Haifa, Israel
| | - Dvir Yelin
- Faculty of Biomedical Engineering, Technion, 32000, Haifa, Israel.
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21
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Generation of Cancer Stem/Initiating Cells by Cell-Cell Fusion. Int J Mol Sci 2022; 23:ijms23094514. [PMID: 35562905 PMCID: PMC9101717 DOI: 10.3390/ijms23094514] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/10/2022] [Accepted: 04/17/2022] [Indexed: 02/04/2023] Open
Abstract
CS/ICs have raised great expectations in cancer research and therapy, as eradication of this key cancer cell type is expected to lead to a complete cure. Unfortunately, the biology of CS/ICs is rather complex, since no common CS/IC marker has yet been identified. Certain surface markers or ALDH1 expression can be used for detection, but some studies indicated that cancer cells exhibit a certain plasticity, so CS/ICs can also arise from non-CS/ICs. Another problem is intratumoral heterogeneity, from which it can be inferred that different CS/IC subclones must be present in the tumor. Cell–cell fusion between cancer cells and normal cells, such as macrophages and stem cells, has been associated with the generation of tumor hybrids that can exhibit novel properties, such as an enhanced metastatic capacity and even CS/IC properties. Moreover, cell–cell fusion is a complex process in which parental chromosomes are mixed and randomly distributed among daughter cells, resulting in multiple, unique tumor hybrids. These, if they have CS/IC properties, may contribute to the heterogeneity of the CS/IC pool. In this review, we will discuss whether cell–cell fusion could also lead to the origin of different CS/ICs that may expand the overall CS/IC pool in a primary tumor.
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Dittmar T, Weiler J, Luo T, Hass R. Cell-Cell Fusion Mediated by Viruses and HERV-Derived Fusogens in Cancer Initiation and Progression. Cancers (Basel) 2021; 13:5363. [PMID: 34771528 PMCID: PMC8582398 DOI: 10.3390/cancers13215363] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 10/22/2021] [Accepted: 10/24/2021] [Indexed: 12/13/2022] Open
Abstract
Cell fusion is a well-known, but still scarcely understood biological phenomenon, which might play a role in cancer initiation, progression and formation of metastases. Although the merging of two (cancer) cells appears simple, the entire process is highly complex, energy-dependent and tightly regulated. Among cell fusion-inducing and -regulating factors, so-called fusogens have been identified as a specific type of proteins that are indispensable for overcoming fusion-associated energetic barriers and final merging of plasma membranes. About 8% of the human genome is of retroviral origin and some well-known fusogens, such as syncytin-1, are expressed by human (cancer) cells. Likewise, enveloped viruses can enable and facilitate cell fusion due to evolutionarily optimized fusogens, and are also capable to induce bi- and multinucleation underlining their fusion capacity. Moreover, multinucleated giant cancer cells have been found in tumors derived from oncogenic viruses. Accordingly, a potential correlation between viruses and fusogens of human endogenous retroviral origin in cancer cell fusion will be summarized in this review.
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Affiliation(s)
- Thomas Dittmar
- Institute of Immunology, Center for Biomedical Education and Research (ZBAF), Witten/Herdecke University, 58448 Witten, Germany;
| | - Julian Weiler
- Institute of Immunology, Center for Biomedical Education and Research (ZBAF), Witten/Herdecke University, 58448 Witten, Germany;
| | - Tianjiao Luo
- Biochemistry and Tumor Biology Laboratory, Department of Obstetrics and Gynecology, Hannover Medical School, 30625 Hannover, Germany;
| | - Ralf Hass
- Biochemistry and Tumor Biology Laboratory, Department of Obstetrics and Gynecology, Hannover Medical School, 30625 Hannover, Germany;
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Hybrid Formation and Fusion of Cancer Cells In Vitro and In Vivo. Cancers (Basel) 2021; 13:cancers13174496. [PMID: 34503305 PMCID: PMC8431460 DOI: 10.3390/cancers13174496] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 09/02/2021] [Accepted: 09/03/2021] [Indexed: 12/13/2022] Open
Abstract
Simple Summary Cell fusion as a fundamental biological process is required for various physiological processes, including fertilization, placentation, myogenesis, osteoclastogenesis, and wound healing/tissue regeneration. However, cell fusion is also observed during pathophysiological processes like tumor development. Mesenchymal stroma/stem-like cells (MSC) which play an important role within the tumor microenvironment like other cell types such as macrophages can closely interact and hybridize with cancer cells. The formation of cancer hybrid cells can involve various different mechanisms whereby the genomic parts of the hybrid cells require rearrangement to form a new functional hybrid cell. The fusion of cancer cells with neighboring cell types may represent an important mechanism during tumor development since cancer hybrid cells are detectable in various tumor tissues. During this rare event with resulting genomic instability the cancer hybrid cells undergo a post-hybrid selection process (PHSP) to reorganize chromosomes of the two parental nuclei whereby the majority of the hybrid population undergoes cell death. The remaining cancer hybrid cells survive by displaying altered properties within the tumor tissue. Abstract The generation of cancer hybrid cells by intra-tumoral cell fusion opens new avenues for tumor plasticity to develop cancer stem cells with altered properties, to escape from immune surveillance, to change metastatic behavior, and to broaden drug responsiveness/resistance. Genomic instability and chromosomal rearrangements in bi- or multinucleated aneuploid cancer hybrid cells contribute to these new functions. However, the significance of cell fusion in tumorigenesis is controversial with respect to the low frequency of cancer cell fusion events and a clonal advantage of surviving cancer hybrid cells following a post-hybrid selection process. This review highlights alternative processes of cancer hybrid cell development such as entosis, emperipolesis, cannibalism, therapy-induced polyploidization/endoreduplication, horizontal or lateral gene transfer, and focusses on the predominant mechanisms of cell fusion. Based upon new properties of cancer hybrid cells the arising clinical consequences of the subsequent tumor heterogeneity after cancer cell fusion represent a major therapeutic challenge.
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Sieler M, Weiler J, Dittmar T. Cell-Cell Fusion and the Roads to Novel Properties of Tumor Hybrid Cells. Cells 2021; 10:cells10061465. [PMID: 34207991 PMCID: PMC8230653 DOI: 10.3390/cells10061465] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/07/2021] [Accepted: 06/09/2021] [Indexed: 12/15/2022] Open
Abstract
The phenomenon of cancer cell–cell fusion is commonly associated with the origin of more malignant tumor cells exhibiting novel properties, such as increased drug resistance or an enhanced metastatic capacity. However, the whole process of cell–cell fusion is still not well understood and seems to be rather inefficient since only a certain number of (cancer) cells are capable of fusing and only a rather small population of fused tumor hybrids will survive at all. The low survivability of tumor hybrids is attributed to post-fusion processes, which are characterized by the random segregation of mixed parental chromosomes, the induction of aneuploidy and further random chromosomal aberrations and genetic/epigenetic alterations in daughter cells. As post-fusion processes also run in a unique manner in surviving tumor hybrids, the occurrence of novel properties could thus also be a random event, whereby it might be speculated that the tumor microenvironment and its spatial habitats could direct evolving tumor hybrids towards a specific phenotype.
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Cwykiel J, Jundzill A, Klimczak A, Madajka-Niemeyer M, Siemionow M. Donor Recipient Chimeric Cells Induce Chimerism and Extend Survival of Vascularized Composite Allografts. Arch Immunol Ther Exp (Warsz) 2021; 69:13. [PMID: 33970329 PMCID: PMC8110509 DOI: 10.1007/s00005-021-00614-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Accepted: 04/08/2021] [Indexed: 11/30/2022]
Abstract
This study evaluated the efficacy of donor recipient chimeric cell (DRCC) therapy created by fusion of donor and recipient derived bone marrow cells (BMC) in chimerism and tolerance induction in a rat vascularized composite allograft (VCA) model. Twenty-four VCA (groin flaps) from MHC-mismatched ACI (RT1a) donors were transplanted to Lewis (RT1l) recipients. Rats were randomly divided into (n = 6/group): Group 1—untreated controls, Groups 2—7-day immunosuppression controls, Group 3—DRCC, and Group 4—DRCC with 7-day anti-αβTCR monoclonal antibody and cyclosporine A protocol. DRCC created by polyethylene glycol-mediated fusion of ACI and Lewis BMC were cultured and transplanted (2–4 × 106) to VCA recipients via intraosseous delivery route. Flow cytometry assessed peripheral blood chimerism while fluorescent microscopy and PCR tested the presence of DRCC in the recipient’s blood, bone marrow (BM), and lymphoid organs at the study endpoint (VCA rejection). No complications were observed after DRCC intraosseous delivery. Group 4 presented the longest average VCA survival (79.3 ± 30.9 days) followed by Group 2 (53.3 ± 13.6 days), Group 3 (18 ± 7.5 days), and Group 1 (8.5 ± 1 days). The highest chimerism level was detected in Group 4 (57.9 ± 6.2%) at day 7 post-transplant. The chimerism declined at day 21 post-transplant and remained at 10% level during the entire follow-up period. Single dose of DRCC therapy induced long-term multilineage chimerism and extended VCA survival. DRCC introduces a novel concept of customized donor-recipient cell-based therapy supporting solid organ and VCA transplants.
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Affiliation(s)
- Joanna Cwykiel
- Department of Orthopaedics, University of Illinois At Chicago, Molecular Biology Research Building, 900 S. Ashland Ave. Room# 3356, Chicago, IL, 60607, USA.,Department of Plastic Surgery, Cleveland Clinic, Cleveland, OH, USA
| | - Arkadiusz Jundzill
- Department of Plastic Surgery, Cleveland Clinic, Cleveland, OH, USA.,Chair of Urology, Department of Regenerative Medicine, Nicolaus Copernicus University in Torun, Ludwik Rydygier Medical College in Bydgoszcz, Bydgoszcz, Poland.,Department of Plastic, Reconstructive and Aesthetic Surgery, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Bydgoszcz, Poland
| | - Aleksandra Klimczak
- Department of Plastic Surgery, Cleveland Clinic, Cleveland, OH, USA.,Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland
| | | | - Maria Siemionow
- Department of Orthopaedics, University of Illinois At Chicago, Molecular Biology Research Building, 900 S. Ashland Ave. Room# 3356, Chicago, IL, 60607, USA. .,Department of Plastic Surgery, Cleveland Clinic, Cleveland, OH, USA. .,Department of Surgery, Poznan University of Medical Sciences, Poznan, Poland.
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Cwykiel J, Madajka-Niemeyer M, Siemionow M. Development of Donor Recipient Chimeric Cells of bone marrow origin as a novel approach for tolerance induction in transplantation. Stem Cell Investig 2021; 8:8. [PMID: 33969113 DOI: 10.21037/sci-2020-044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 03/03/2021] [Indexed: 12/14/2022]
Abstract
Background Cell therapies and chimerism-based strategies are currently the most successful approach for tolerance induction in transplantation. This study aimed to establish and characterize novel Donor Recipient Chimeric Ccell (DRCC) therapy of bone marrow (BM) origin presenting donor-recipient phenotype to support tolerance induction. Methods Ex vivo fusions of fully MHC-mismatched BM cells from ACI (RT1a) and Lewis (RT1l) rats were performed using polyethylene-glycol (PEG). The creation of rat DRCC was tested by flow cytometry (FC), confocal microscopy and PCR. FC characterized DRCC's phenotype (CD3, CD4, CD8, CD45, CD90, CD11b/c, CD45RA, OX-82, or CD4/CD25) and apoptosis, while mixed lymphocyte reaction assessed DRCC's immunogenicity and colony forming unit assay tested DRCC's differentiation and proliferation. DRCC's polyploidy was evaluated using Hoechst33342 staining and COMET assay tested genotoxicity of fusion procedure. ELISA analyzed the secretion of IL-2, IL-4, IL-10, TGFß1, IFNγ and TNFα by DRCC at day 1, 5 and 14 post-fusion. The DRCC's phenotype after long-term culturing was assessed by reverse-transcription PCR. Results The chimeric state of DRCC was confirmed. Fusion did not change the expression of hematopoietic markers compared to BM controls. Although an increased number of early and late apoptotic (Annexin V+/Sytox blue- and Annexin V+/Sytox blue+, respectively) DRCC was detected at 24h post-fusion, the number significantly decreased at day 5 (38.4%±3.1% and 22.6%±2.5%, vs. 28.3%±2.5% and 13.9%±2.6%, respectively, P<0.05). DRCC presented decreased immunogenicity, increased expression of IL-10 and TGFβ1 and proliferative potential comparable to BM controls. The average percentage of tetraploid DRCC was 3.1%±0.2% compared to 0.96%±0.1% in BM controls. The lack of damage to the DRCC's DNA content supported the DRCC's safety. In culture, DRCC maintained proliferation for up to 28 days while preserving hematopoietic profile. Conclusions This study confirmed feasibility of DRCC creation via ex vivo PEG mediated fusion. The created DRCC revealed pro-tolerogenic properties indicating potential immunomodulatory effect of DRCC therapy when applied in vivo to support tolerance induction in solid organ and vascularized composite allograft transplantation.
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Affiliation(s)
- Joanna Cwykiel
- Department of Orthopaedics, University of Illinois at Chicago, Chicago, IL, USA.,Department of Plastic Surgery, Cleveland Clinic, Cleveland, Ohio, USA
| | | | - Maria Siemionow
- Department of Orthopaedics, University of Illinois at Chicago, Chicago, IL, USA.,Department of Plastic Surgery, Cleveland Clinic, Cleveland, Ohio, USA.,Department of Surgery, Poznan University of Medical Sciences, Poznan, Poland
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Baudoin NC, Bloomfield M. Karyotype Aberrations in Action: The Evolution of Cancer Genomes and the Tumor Microenvironment. Genes (Basel) 2021; 12:558. [PMID: 33921421 PMCID: PMC8068843 DOI: 10.3390/genes12040558] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 03/27/2021] [Accepted: 04/06/2021] [Indexed: 12/12/2022] Open
Abstract
Cancer is a disease of cellular evolution. For this cellular evolution to take place, a population of cells must contain functional heterogeneity and an assessment of this heterogeneity in the form of natural selection. Cancer cells from advanced malignancies are genomically and functionally very different compared to the healthy cells from which they evolved. Genomic alterations include aneuploidy (numerical and structural changes in chromosome content) and polyploidy (e.g., whole genome doubling), which can have considerable effects on cell physiology and phenotype. Likewise, conditions in the tumor microenvironment are spatially heterogeneous and vastly different than in healthy tissues, resulting in a number of environmental niches that play important roles in driving the evolution of tumor cells. While a number of studies have documented abnormal conditions of the tumor microenvironment and the cellular consequences of aneuploidy and polyploidy, a thorough overview of the interplay between karyotypically abnormal cells and the tissue and tumor microenvironments is not available. Here, we examine the evidence for how this interaction may unfold during tumor evolution. We describe a bidirectional interplay in which aneuploid and polyploid cells alter and shape the microenvironment in which they and their progeny reside; in turn, this microenvironment modulates the rate of genesis for new karyotype aberrations and selects for cells that are most fit under a given condition. We conclude by discussing the importance of this interaction for tumor evolution and the possibility of leveraging our understanding of this interplay for cancer therapy.
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Affiliation(s)
- Nicolaas C. Baudoin
- Department of Genetics, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
- Department of Biological Sciences and Fralin Life Sciences Institute, Virginia Tech, Blacksburg, VA 24061, USA
| | - Mathew Bloomfield
- Department of Biological Sciences and Fralin Life Sciences Institute, Virginia Tech, Blacksburg, VA 24061, USA
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Zhang Y, Ouyang X, You S, Zou H, Shao X, Zhang G, Zhang C, Hu L. Effect of human amniotic epithelial cells on ovarian function, fertility and ovarian reserve in primary ovarian insufficiency rats and analysis of underlying mechanisms by mRNA sequencing. Am J Transl Res 2020; 12:3234-3254. [PMID: 32774697 PMCID: PMC7407690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Accepted: 05/30/2020] [Indexed: 06/11/2023]
Abstract
Human amniotic epithelial cells (hAECs) show similar features to stem cells and have low immunogenicity. This study aims to investigate the therapeutic effect of hAEC transplantation on cyclophosphamide-induced primary ovarian insufficiency (POI) rats and evaluate the underlying mechanisms by mRNA sequencing of ovarian samples. Notably, hAECs mainly located in the interstitial area of the ovaries rather than follicles. hAEC transplantation led to a slight increase in body and ovary weight, normalized irregular estrous cycles, decreased serum follicle stimulating hormone (FSH) and increased anti-Mullerian hormone (AMH) level and restored follicle pools in POI rats. Ovarian expression of AMH, follicle stimulating hormone receptor (FSHR) and klotho in POI rats was also significantly upregulated following hAEC transplantation. Fetus number was higher in the hAEC transplantation group than the POI group. The mRNA sequencing results showed that hAEC transplantation led to the upregulation of several angiogenesis and inflammation molecules including interferon regulatory factor 7 (IRF7), Mx dynamin-like GTPase 1 (Mx1), vascular endothelial growth factor receptor (VEGFR)1 and VEGFR2. Moreover, hAEC therapy had an effect on ribosomes, protein digestion, protein absorption, neuroactive ligand-receptor interaction, cAMP signaling pathway and steroid biosynthesis pathways. The expression of several steroid biosynthesis proteins was significantly upregulated as measured by quantitative real-time polymerase chain reaction (RT-qPCR), immunohistochemical staining and Western blot analysis. In summary, hAECs can significantly restore ovarian function, and improve both ovarian reserve and fertility. This may be due to the paracrine effect of hAECs in regulating steroid biosynthesis, modulating follicle development from initiation to ovulation, promoting angiogenesis and reducing inflammation.
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Affiliation(s)
- Yulin Zhang
- The Center for Reproductive Medicine, Obstetrics and Gynecology Department, The Second Affiliated Hospital, Chongqing Medical UniversityChongqing, China
| | - Xiaolan Ouyang
- The Center for Reproductive Medicine, Obstetrics and Gynecology Department, The Second Affiliated Hospital, Chongqing Medical UniversityChongqing, China
| | - Shuang You
- The Center for Reproductive Medicine, Obstetrics and Gynecology Department, The Second Affiliated Hospital, Chongqing Medical UniversityChongqing, China
| | - Heng Zou
- The Center for Reproductive Medicine, Obstetrics and Gynecology Department, The Second Affiliated Hospital, Chongqing Medical UniversityChongqing, China
- Reproduction and Stem Cell Therapy Research Center of ChongqingChina
- Joint International Research Lab for Reproduction and Development, Ministry of EducationChina
| | - Xiaoyan Shao
- Shanghai iCELL Biotechnology Co., Ltd.Shanghai 200333, China
| | - Guanghui Zhang
- Chongqing Engineering Technology Research Center of Stem Cell and Neural RegenerationChongqing, China
- Chongqing Guolian Stem Cell Technology Co., Ltd.Chongqing, China
| | - Chanyu Zhang
- The Center for Reproductive Medicine, Obstetrics and Gynecology Department, The Second Affiliated Hospital, Chongqing Medical UniversityChongqing, China
- Reproduction and Stem Cell Therapy Research Center of ChongqingChina
- Joint International Research Lab for Reproduction and Development, Ministry of EducationChina
| | - Lina Hu
- The Center for Reproductive Medicine, Obstetrics and Gynecology Department, The Second Affiliated Hospital, Chongqing Medical UniversityChongqing, China
- Reproduction and Stem Cell Therapy Research Center of ChongqingChina
- Joint International Research Lab for Reproduction and Development, Ministry of EducationChina
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Tal A, Tal R, Shaikh S, Gidicsin S, Mamillapalli R, Taylor HS. Characterization of cell fusion in an experimental mouse model of endometriosis†. Biol Reprod 2020; 100:390-397. [PMID: 30304517 DOI: 10.1093/biolre/ioy221] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Revised: 09/29/2018] [Accepted: 10/08/2018] [Indexed: 02/01/2023] Open
Abstract
Cell fusion is involved in the development of some adult organs, is implicated in the pathogenesis of specific types of cancer, and is known to participate in repair/regeneration processes mediated by bone-marrow-derived cells (BMDCs). Endometriosis is a disease characterized by growth of functional endometrial tissue outside of the uterine cavity. Endometriosis shares some molecular properties with cancer and BMDCs home to endometriosis lesions in a mouse model. Our objective was to determine if cell fusion can occur in endometriosis and establish whether bone-marrow-derived cells participate in cell fusion events in lesions. We employed a Cre-Lox system to identify cell fusion events in a mouse model of endometriosis. Fused cells were detected in endometriotic lesions, albeit at a low frequency (∼1 in 400 cells), localized to the stromal compartment, and displayed restricted proliferation. Using 5-fluorouracil-based nongonadotoxic bone marrow transplantation model, we demonstrate that bone marrow cells represent a principal cell source for fusion events in lesions. Cell fusion progeny uniformly lacked expression of selected markers of hematopoietic, endothelial, and epithelial markers, though they expressed the mesenchymal/stromal markers Sca-1 and CD29. This study is the first to describe the phenomenon of cell fusion in endometriosis and points to a mesenchymal population derived from cell fusion events with limited proliferative activity, properties previously attributed to endometrial stem cells. Their putative role in the pathogenesis of the disease remains to be elucidated.
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Affiliation(s)
- A Tal
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - R Tal
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - S Shaikh
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - S Gidicsin
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - R Mamillapalli
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - H S Taylor
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
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Shabo I, Svanvik J, Lindström A, Lechertier T, Trabulo S, Hulit J, Sparey T, Pawelek J. Roles of cell fusion, hybridization and polyploid cell formation in cancer metastasis. World J Clin Oncol 2020; 11:121-135. [PMID: 32257843 PMCID: PMC7103524 DOI: 10.5306/wjco.v11.i3.121] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 01/02/2020] [Accepted: 03/01/2020] [Indexed: 02/06/2023] Open
Abstract
Cell-cell fusion is a normal biological process playing essential roles in organ formation and tissue differentiation, repair and regeneration. Through cell fusion somatic cells undergo rapid nuclear reprogramming and epigenetic modifications to form hybrid cells with new genetic and phenotypic properties at a rate exceeding that achievable by random mutations. Factors that stimulate cell fusion are inflammation and hypoxia. Fusion of cancer cells with non-neoplastic cells facilitates several malignancy-related cell phenotypes, e.g., reprogramming of somatic cell into induced pluripotent stem cells and epithelial to mesenchymal transition. There is now considerable in vitro, in vivo and clinical evidence that fusion of cancer cells with motile leucocytes such as macrophages plays a major role in cancer metastasis. Of the many changes in cancer cells after hybridizing with leucocytes, it is notable that hybrids acquire resistance to chemo- and radiation therapy. One phenomenon that has been largely overlooked yet plays a role in these processes is polyploidization. Regardless of the mechanism of polyploid cell formation, it happens in response to genotoxic stresses and enhances a cancer cell’s ability to survive. Here we summarize the recent progress in research of cell fusion and with a focus on an important role for polyploid cells in cancer metastasis. In addition, we discuss the clinical evidence and the importance of cell fusion and polyploidization in solid tumors.
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Affiliation(s)
- Ivan Shabo
- Endocrine and Sarcoma Surgery Unit, Department of Molecular Medicine and Surgery, Karolinska Institute, Stockholm SE 171 77, Sweden
- Patient Area of Breast Cancer, Sarcoma and Endocrine Tumours, Theme Cancer, Karolinska University Hospital, Stockholm SE 171 76, Sweden
| | - Joar Svanvik
- The Transplant Institute, Sahlgrenska University Hospital, Gothenburg SE 413 45, Sweden
- Division of Surgery, Department of Biomedical and Clinical Sciences, Faculty of Medicine and Health Sciences, Linköping University, Linköping SE 581 83, Sweden
| | - Annelie Lindström
- Division of Cell Biology, Department of Biomedical and Clinical Sciences, Faculty of Medicine and Health Sciences, Linköping University, Linköping SE 581 85, Sweden
| | - Tanguy Lechertier
- Novintum Bioscience Ltd, London Bioscience Innovation Centre, London NW1 0NH, United Kingdom
| | - Sara Trabulo
- Novintum Bioscience Ltd, London Bioscience Innovation Centre, London NW1 0NH, United Kingdom
| | - James Hulit
- Novintum Bioscience Ltd, London Bioscience Innovation Centre, London NW1 0NH, United Kingdom
| | - Tim Sparey
- Novintum Bioscience Ltd, London Bioscience Innovation Centre, London NW1 0NH, United Kingdom
| | - John Pawelek
- Department of Dermatology and the Yale Cancer Center, Yale University School of Medicine, New Haven, CT 06520, United States
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Dörnen J, Sieler M, Weiler J, Keil S, Dittmar T. Cell Fusion-Mediated Tissue Regeneration as an Inducer of Polyploidy and Aneuploidy. Int J Mol Sci 2020; 21:E1811. [PMID: 32155721 PMCID: PMC7084716 DOI: 10.3390/ijms21051811] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 02/28/2020] [Accepted: 03/04/2020] [Indexed: 12/20/2022] Open
Abstract
The biological phenomenon of cell fusion plays a crucial role in several physiological processes, including wound healing and tissue regeneration. Here, it is assumed that bone marrow-derived stem cells (BMSCs) could adopt the specific properties of a different organ by cell fusion, thereby restoring organ function. Cell fusion first results in the production of bi- or multinucleated hybrid cells, which either remain as heterokaryons or undergo ploidy reduction/heterokaryon-to-synkaryon transition (HST), thereby giving rise to mononucleated daughter cells. This process is characterized by a merging of the chromosomes from the previously discrete nuclei and their subsequent random segregation into daughter cells. Due to extra centrosomes concomitant with multipolar spindles, the ploidy reduction/HST could also be associated with chromosome missegregation and, hence, induction of aneuploidy, genomic instability, and even putative chromothripsis. However, while the majority of such hybrids die or become senescent, aneuploidy and genomic instability appear to be tolerated in hepatocytes, possibly for stress-related adaption processes. Likewise, cell fusion-induced aneuploidy and genomic instability could also lead to a malignant conversion of hybrid cells. This can occur during tissue regeneration mediated by BMSC fusion in chronically inflamed tissue, which is a cell fusion-friendly environment, but is also enriched for mutagenic reactive oxygen and nitrogen species.
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Affiliation(s)
| | | | | | | | - Thomas Dittmar
- Institute of Immunology, Center for Biomedical Education and Research (ZBAF), Witten/Herdecke University, 58448 Witten, Germany; (J.D.); (M.S.); (J.W.); (S.K.)
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Lymphatic Endothelial Cell Progenitors in the Tumor Microenvironment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1234:87-105. [PMID: 32040857 DOI: 10.1007/978-3-030-37184-5_7] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Tumor lymphatics play a key role in cancer progression as they are solely responsible for transporting malignant cells to regional lymph nodes (LNs), a process that precedes and promotes systemic lethal spread. It is broadly accepted that tumor lymphatic sprouting is induced mainly by soluble factors derived from tumor-associated macrophages (TAMs) and malignant cells. However, emerging evidence strongly suggests that a subset of TAMs, myeloid-lymphatic endothelial cell progenitors (M-LECP), also contribute to the expansion of lymphatics through both secretion of paracrine factors and a self-autonomous mode. M-LECP are derived from bone marrow (BM) precursors of the monocyte-macrophage lineage and characterized by unique co-expression of markers identifying lymphatic endothelial cells (LEC), stem cells, M2-type macrophages, and myeloid-derived immunosuppressive cells. This review describes current evidence for the origin of M-LECP in the bone marrow, their recruitment tumors and intratumoral trafficking, similarities to other TAM subsets, and mechanisms promoting tumor lymphatics. We also describe M-LECP integration into preexisting lymphatic vessels and discuss potential mechanisms and significance of this event. We conclude that improved mechanistic understanding of M-LECP functions within the tumor environment may lead to new therapeutic approaches to suppress tumor lymphangiogenesis and metastasis to lymph nodes.
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Cendelin J, Buffo A, Hirai H, Magrassi L, Mitoma H, Sherrard R, Vozeh F, Manto M. Task Force Paper On Cerebellar Transplantation: Are We Ready to Treat Cerebellar Disorders with Cell Therapy? THE CEREBELLUM 2019; 18:575-592. [PMID: 30607797 DOI: 10.1007/s12311-018-0999-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Restoration of damaged central nervous system structures, functional recovery, and prevention of neuronal loss during neurodegenerative diseases are major objectives in cerebellar research. The highly organized anatomical structure of the cerebellum with numerous inputs/outputs, the complexity of cerebellar functions, and the large spectrum of cerebellar ataxias render therapies of cerebellar disorders highly challenging. There are currently several therapeutic approaches including motor rehabilitation, neuroprotective drugs, non-invasive cerebellar stimulation, molecularly based therapy targeting pathogenesis of the disease, and neurotransplantation. We discuss the goals and possible beneficial mechanisms of transplantation therapy for cerebellar damage and its limitations and factors determining outcome.
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Affiliation(s)
- Jan Cendelin
- Department of Pathophysiology, Faculty of Medicine in Pilsen, Charles University, alej Svobody 1655/76, 323 00, Plzen, Czech Republic
- Laboratory of Neurodegenerative Disorders, Biomedical Center, Faculty of Medicine in Pilsen, Charles University, alej Svobody 1655/76, 323 00, Plzen, Czech Republic
| | - Annalisa Buffo
- Department of Neuroscience Rita Levi-Montalcini, University of Turin, 10126, Turin, Italy
- Neuroscience Institute Cavalieri Ottolenghi, Orbassano, 10043, Turin, Italy
| | - Hirokazu Hirai
- Department of Neurophysiology and Neural Repair, Gunma University Graduate School of Medicine, 3-39-22, Maebashi, Gunma, 371-8511, Japan
| | - Lorenzo Magrassi
- Neurosurgery, Dipartimento di Scienze Clinico-Chirurgiche Diagnostiche e Pediatriche, Fondazione IRCCS Policlinico S. Matteo, Università degli Studi di Pavia, 27100, Pavia, Italy
- Istituto di Genetica Molecolare - CNR, 27100, Pavia, Italy
| | - Hiroshi Mitoma
- Medical Education Promotion Center, Tokyo Medical University, Tokyo, Japan
| | - Rachel Sherrard
- IBPS, UMR8256 Biological Adaptation and Ageing, Sorbonne Université and CNRS, Paris, France
| | - Frantisek Vozeh
- Department of Pathophysiology, Faculty of Medicine in Pilsen, Charles University, alej Svobody 1655/76, 323 00, Plzen, Czech Republic
- Laboratory of Neurodegenerative Disorders, Biomedical Center, Faculty of Medicine in Pilsen, Charles University, alej Svobody 1655/76, 323 00, Plzen, Czech Republic
| | - Mario Manto
- Department of Neurology, CHU-Charleroi, 6000, Charleroi, Belgium.
- Service des Neurosciences, Université de Mons, 7000, Mons, Belgium.
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Volk-Draper L, Patel R, Bhattarai N, Yang J, Wilber A, DeNardo D, Ran S. Myeloid-Derived Lymphatic Endothelial Cell Progenitors Significantly Contribute to Lymphatic Metastasis in Clinical Breast Cancer. THE AMERICAN JOURNAL OF PATHOLOGY 2019; 189:2269-2292. [PMID: 31421071 DOI: 10.1016/j.ajpath.2019.07.006] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 06/20/2019] [Accepted: 07/09/2019] [Indexed: 12/24/2022]
Abstract
Lymphatic metastasis is a high-impact prognostic factor for mortality of breast cancer (BC) patients, and it directly depends on tumor-associated lymphatic vessels. We previously reported that lipopolysaccharide-induced inflammatory lymphangiogenesis is strongly promoted by myeloid-derived lymphatic endothelial cell progenitors (M-LECPs) derived from the bone marrow (BM). As BC recruits massive numbers of provascular myeloid cells, we hypothesized that M-LECPs, within this recruited population, are specifically programmed to promote tumor lymphatics that increase lymph node metastasis. In support of this hypothesis, high levels of M-LECPs were found in peripheral blood and tumor tissues of BC patients. Moreover, the density of M-LECPs and lymphatic vessels positive for myeloid marker proteins strongly correlated with patient node status. It was also established that tumor M-LECPs coexpress lymphatic-specific, stem/progenitor and M2-type macrophage markers that indicate their BM hematopoietic-myeloid origin and distinguish them from mature lymphatic endothelial cells, tumor-infiltrating lymphoid cells, and tissue-resident macrophages. Using four orthotopic BC models, we show that mouse M-LECPs are similarly recruited to tumors and integrate into preexisting lymphatics. Finally, we demonstrate that adoptive transfer of in vitro differentiated M-LECPs, but not naïve or nondifferentiated BM cells, significantly increased metastatic burden in ipsilateral lymph nodes. These data support a causative role of BC-induced lymphatic progenitors in tumor lymphangiogenesis and suggest molecular targets for their inhibition.
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Affiliation(s)
- Lisa Volk-Draper
- Department of Medical Microbiology, Immunology, and Cell Biology, Southern Illinois University School of Medicine, Springfield, Illinois
| | - Radhika Patel
- Department of Medical Microbiology, Immunology, and Cell Biology, Southern Illinois University School of Medicine, Springfield, Illinois
| | - Nihit Bhattarai
- Department of Medical Microbiology, Immunology, and Cell Biology, Southern Illinois University School of Medicine, Springfield, Illinois
| | - Jie Yang
- Department of Medical Microbiology, Immunology, and Cell Biology, Southern Illinois University School of Medicine, Springfield, Illinois
| | - Andrew Wilber
- Department of Medical Microbiology, Immunology, and Cell Biology, Southern Illinois University School of Medicine, Springfield, Illinois; Simmons Cancer Institute, Southern Illinois University School of Medicine, Springfield, Illinois
| | - David DeNardo
- Department of Oncology, Washington University, St. Louis, Missouri
| | - Sophia Ran
- Department of Medical Microbiology, Immunology, and Cell Biology, Southern Illinois University School of Medicine, Springfield, Illinois; Simmons Cancer Institute, Southern Illinois University School of Medicine, Springfield, Illinois.
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Díaz D, Del Pilar C, Carretero J, Alonso JR, Weruaga E. Daily bone marrow cell transplantations for the management of fast neurodegenerative processes. J Tissue Eng Regen Med 2019; 13:1702-1711. [PMID: 31272136 DOI: 10.1002/term.2925] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 05/28/2019] [Accepted: 06/19/2019] [Indexed: 01/06/2023]
Abstract
Cell therapy has been proven to be a promising treatment for fighting neurodegenerative diseases. As neuronal replacement presents undeniable complications, the neuroprotection of live neurons arises as the most suitable therapeutic approach. Accordingly, the earlier the diagnosis and treatment, the better the prognosis. However, these diseases are commonly diagnosed when symptoms have already progressed towards an irreversible degenerative stage. This problem is especially dramatic when neurodegeneration is aggressive and rapidly progresses. One of the most interesting approaches for neuroprotection is the fusion between healthy bone marrow-derived cells and neurons, as the former can provide the latter with regular/protective genes without harming brain parenchyma. So far, this phenomenon has only been identified in Purkinje cells, whose death is the cause of different diseases like cerebellar ataxias. Here we have employed a model of aggressive cerebellar neurodegeneration, the Purkinje Cell Degeneration mouse, to optimize a cell therapy based on bone marrow-derived cell and cell fusion. Our findings show that the substitution of bone marrow in diseased animals by healthy bone marrow, even prior to the onset of neurodegeneration, is not fast enough to stop neuronal loss in time. Conversely, avoiding bone marrow replacement and ensuring a regular supply of healthy cells through continuous, daily transplants, the neurodegenerative milieu of PCD is enough to attract those transplanted elements. Furthermore, in the most affected cerebellar regions, more than a half of surviving neurons undergo a process of cell fusion. Therefore, this method deserves consideration as a means to impede neuronal cell death.
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Affiliation(s)
- David Díaz
- Laboratory of Neuronal Plasticity and Neurorepair, Institute for Neuroscience of Castile and Leon (INCyL), University of Salamanca, Salamanca, Spain.,Institute of Biomedical Research of Salamanca, IBSAL, Salamanca, Spain
| | - Carlos Del Pilar
- Laboratory of Neuronal Plasticity and Neurorepair, Institute for Neuroscience of Castile and Leon (INCyL), University of Salamanca, Salamanca, Spain.,Institute of Biomedical Research of Salamanca, IBSAL, Salamanca, Spain
| | - José Carretero
- Laboratory of Neuroendocrinology, Institute for Neuroscience of Castile and Leon (INCyL), University of Salamanca, Salamanca, Spain.,Department of Human Anatomy and Histology, Faculty of Medicine, University of Salamanca, Salamanca, Spain.,Institute of Biomedical Research of Salamanca, IBSAL, Salamanca, Spain
| | - José Ramón Alonso
- Laboratory of Neuronal Plasticity and Neurorepair, Institute for Neuroscience of Castile and Leon (INCyL), University of Salamanca, Salamanca, Spain.,Institute of Biomedical Research of Salamanca, IBSAL, Salamanca, Spain.,Instituto de Alta Investigación, Universidad de Tarapacá, Arica, Chile
| | - Eduardo Weruaga
- Laboratory of Neuronal Plasticity and Neurorepair, Institute for Neuroscience of Castile and Leon (INCyL), University of Salamanca, Salamanca, Spain.,Institute of Biomedical Research of Salamanca, IBSAL, Salamanca, Spain
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Circulating Hybrid Cells Join the Fray of Circulating Cellular Biomarkers. Cell Mol Gastroenterol Hepatol 2019; 8:595-607. [PMID: 31319228 PMCID: PMC6889578 DOI: 10.1016/j.jcmgh.2019.07.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 07/03/2019] [Accepted: 07/05/2019] [Indexed: 12/11/2022]
Abstract
Gastrointestinal cancers account for more cancer-related deaths than any other organ system, owing in part to difficulties in early detection, treatment response assessment, and post-treatment surveillance. Circulating biomarkers hold the promise for noninvasive liquid biopsy platforms to overcome these obstacles. Although tumors shed detectable levels of degraded genetic material and cellular debris into peripheral blood, identifying reproducible and clinically relevant information from these analytes (eg, cell-free nucleotides, exosomes, proteins) has proven difficult. Cell-based circulating biomarkers also present challenges, but have multiple advantages including allowing for a more comprehensive tumor analysis, and communicating the risk of metastatic spread. Circulating tumor cells have dominated the cancer cell biomarker field with robust evidence in extraintestinal cancers; however, establishing their clinical utility beyond that of prognostication in colorectal and pancreatic cancers has remained elusive. Recently identified novel populations of tumor-derived cells bring renewed potential to this area of investigation. Cancer-associated macrophage-like cells, immune cells with phagocytosed tumor material, also show utility in prognostication and assessing treatment responsiveness. In addition, circulating hybrid cells are the result of tumor-macrophage fusion, with mounting evidence for a role in the metastatic cascade. Because of their relative abundance in circulation, circulating hybrid cells have great potential as a liquid biomarker for early detection, prognostication, and surveillance. In all, the power of the cell reaches beyond enumeration by providing a cellular source of tumor DNA, RNA, and protein, which can be harnessed to impact overall survival.
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Fusion-mediated chromosomal instability promotes aneuploidy patterns that resemble human tumors. Oncogene 2019; 38:6083-6094. [PMID: 31270395 DOI: 10.1038/s41388-019-0859-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 04/04/2019] [Accepted: 04/12/2019] [Indexed: 12/11/2022]
Abstract
Oncogenesis is considered to result from chromosomal instability, in addition to oncogene and tumor-suppressor alterations. Intermediate to aneuploidy and chromosomal instability, genome doubling is a frequent event in tumor development but the mechanisms driving tetraploidization and its impact remain unexplored. Cell fusion, one of the pathways to tetraploidy, is a physiological process involved in mesenchymal cell differentiation. Besides simple genome doubling, cell fusion results in the merging of two different genomes that can be destabilized upon proliferation. By testing whether cell fusion is involved in mesenchymal oncogenesis, we provide evidence that it induces genomic instability and mediates tumor initiation. After a latency period, the tumor emerges with the cells most suited for its development. Furthermore, hybrid tumor genomes were stabilized after this selection process and were very close to those of human pleomorphic mesenchymal tumors. Thus genome restructuring triggered by cell fusion may account for the chromosomal instability involved in oncogenesis.
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Weiler J, Dittmar T. Minocycline impairs TNF-α-induced cell fusion of M13SV1-Cre cells with MDA-MB-435-pFDR1 cells by suppressing NF-κB transcriptional activity and its induction of target-gene expression of fusion-relevant factors. Cell Commun Signal 2019; 17:71. [PMID: 31266502 PMCID: PMC6604204 DOI: 10.1186/s12964-019-0384-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 06/10/2019] [Indexed: 12/17/2022] Open
Abstract
Background To date, several studies have confirmed that driving forces of the inflammatory tumour microenvironment trigger spontaneous cancer cell fusion. However, less is known about the underlying factors and mechanisms that facilitate inflammation-induced cell fusion of a cancer cell with a normal cell. Recently, we demonstrated that minocycline, a tetracycline antibiotic, successfully inhibited the TNF-α-induced fusion of MDA-MB-435 cancer cells with M13SV1 breast epithelial cells. Here, we investigated how minocycline interferes with the TNF-α induced signal transduction pathway. Methods A Cre-LoxP recombination system was used to quantify the fusion of MDA-MB-435-pFDR1 cancer cells and M13SV1-Cre breast epithelial cells. The impact of minocycline on the TNF-α signalling pathway was determined by western blotting. The transcriptional activity of NF-κB was characterised by immunocytochemistry, western blot and ChIP analyses. An NF-κB-luciferase reporter assay was indicative of NF-κB activity. Results Minocycline treatment successfully inhibited the TNFR1-TRAF2 interaction in both cell types, while minocycline abrogated the phosphorylation of IκBα and NF-κB-p65 to suppress nuclear NF-κB and its promotor activity only in M13SV1-Cre cells, which attenuated the expression of MMP9 and ICAM1. In MDA-MB-435-pFDR1 cells, minocycline increased the activity of NF-κB, leading to greater nuclear accumulation of NF-κB-p65, thus increasing promoter activity to stimulate the expression of ICAM1. Even though TNF-α also activated all MAPKs (ERK1/2, p38 and JNK), minocycline differentially affected these kinases to either inhibit or stimulate their activation. Moreover, SRC activation was analysed as an upstream activator of MAPKs, but no activation by TNF-α was revealed. The addition of several specific inhibitors that block the activation of SRC, MAPKs, AP-1 and NF-κB confirmed that only NF-κB inhibition was successful in inhibiting the TNF-α-induced cell fusion process. Conclusion Minocycline is a potent inhibitor in the TNF-α-induced cell fusion process by targeting the NF-κB pathway. Thus, minocycline prevented NF-κB activation and nuclear translocation to abolish the target-gene expression of MMP9 and ICAM1 in M13SV1-Cre cells, resulting in reduced cell fusion frequency.
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Affiliation(s)
- Julian Weiler
- Institute of Immunology, Centre of Biomedical Education and Research (ZBAF), Witten/Herdecke University, Stockumer Str. 10, 58448, Witten, Germany
| | - Thomas Dittmar
- Institute of Immunology, Centre of Biomedical Education and Research (ZBAF), Witten/Herdecke University, Stockumer Str. 10, 58448, Witten, Germany.
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39
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Cancer cell fusion: a potential target to tackle drug-resistant and metastatic cancer cells. Drug Discov Today 2019; 24:1836-1844. [PMID: 31163272 DOI: 10.1016/j.drudis.2019.05.024] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 04/22/2019] [Accepted: 05/28/2019] [Indexed: 12/27/2022]
Abstract
Cell fusion is an integral, established phenomenon underlying various physiological processes in the cell cycle. Although research in cancer metastasis has hypothesised numerous molecular mechanisms and signalling pathways responsible for invasion and metastasis, the origin and progression of metastatic cells within primary tumours remains unclear. Recently, the role of cancer cell fusion in cancer metastasis and development of multidrug resistance (MDR) in tumours has gained prominence. However, evidence remains lacking to justify the role of cell fusion in cancer metastasis and drug resistance. Here, we highlight plausible mechanisms governing cell fusion with different cell types in the tumour microenvironment (TME), the clinical relevance of cancer cell fusion, its potential as a target for overcoming MDR and inhibiting metastasis, and putative modes of treatment.
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40
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Gunawardena TNA, Rahman MT, Abdullah BJJ, Abu Kasim NH. Conditioned media derived from mesenchymal stem cell cultures: The next generation for regenerative medicine. J Tissue Eng Regen Med 2019; 13:569-586. [PMID: 30644175 DOI: 10.1002/term.2806] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 10/26/2018] [Accepted: 12/17/2018] [Indexed: 12/13/2022]
Abstract
Recent studies suggest that the main driving force behind the therapeutic activity observed in mesenchymal stem cells (MSCs) are the paracrine factors secreted by these cells. These biomolecules also trigger antiapoptotic events to prevent further degeneration of the diseased organ through paracrine signalling mechanisms. In comparison with the normal physiological conditions, an increased paracrine gradient is observed within the peripheral system of diseased organs that enhances the migration of tissue-specific MSCs towards the site of infection or injury to promote healing. Thus, upon administration of conditioned media derived from mesenchymal stem cell cultures (MSC-CM) could contribute in maintaining the increased paracrine factor gradient between the diseased organ and the stem cell niche in order to speed up the process of recovery. Based on the principle of the paracrine signalling mechanism, MSC-CM, also referred as the secretome of the MSCs, is a rich source of the paracrine factors and are being studied extensively for a wide range of regenerative therapies such as myocardial infarction, stroke, bone regeneration, hair growth, and wound healing. This article highlights the current technological applications and advances of MSC-CM with the aim to appraise its future potential as a regenerative therapeutic agent.
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Affiliation(s)
| | - Mohammad Tariqur Rahman
- Department of Restorative Dentistry, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | | | - Noor Hayaty Abu Kasim
- Department of Restorative Dentistry, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia.,Regenerative Dentistry Research Group, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
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41
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Weiler J, Dittmar T. Cell Fusion in Human Cancer: The Dark Matter Hypothesis. Cells 2019; 8:E132. [PMID: 30736482 PMCID: PMC6407028 DOI: 10.3390/cells8020132] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 02/01/2019] [Accepted: 02/04/2019] [Indexed: 12/12/2022] Open
Abstract
Current strategies to determine tumor × normal (TN)-hybrid cells among human cancer cells include the detection of hematopoietic markers and other mesodermal markers on tumor cells or the presence of donor DNA in cancer samples from patients who had previously received an allogenic bone marrow transplant. By doing so, several studies have demonstrated that TN-hybrid cells could be found in human cancers. However, a prerequisite of this cell fusion search strategy is that such markers are stably expressed by TN-hybrid cells over time. However, cell fusion is a potent inducer of genomic instability, and TN-hybrid cells may lose these cell fusion markers, thereby becoming indistinguishable from nonfused tumor cells. In addition, hybrid cells can evolve from homotypic fusion events between tumor cells or from heterotypic fusion events between tumor cells and normal cells possessing similar markers, which would also be indistinguishable from nonfused tumor cells. Such indistinguishable or invisible hybrid cells will be referred to as dark matter hybrids, which cannot as yet be detected and quantified, but which contribute to tumor growth and progression.
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Affiliation(s)
- Julian Weiler
- Chair of Immunology, Center for Biomedical Education and Research (ZBAF), Witten/Herdecke University, Stockumer Str. 10, 58448 Witten, Germany.
| | - Thomas Dittmar
- Chair of Immunology, Center for Biomedical Education and Research (ZBAF), Witten/Herdecke University, Stockumer Str. 10, 58448 Witten, Germany.
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42
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Myerson D, Parkin RK. Donor-derived hepatocytes in human hematopoietic cell transplant recipients: evidence of fusion. Virchows Arch 2018; 474:365-374. [PMID: 30539318 DOI: 10.1007/s00428-018-2497-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 11/13/2018] [Accepted: 11/19/2018] [Indexed: 12/12/2022]
Abstract
Reconstitution of hepatocytes by hematopoietic stem cells-a phenomenon which occurs in rodents under highly selective conditions-results from infrequent fusion between incoming myelomonocytes and host hepatocytes, with subsequent proliferation. Human hematopoietic stem cell transplant recipients have been little studied, with some support for transdifferentiation (direct differentiation). We studied routinely obtained autopsy liver tissue of four female hematopoietic cell transplant recipients with male donors, using a highly specific conjoint immunohistochemistry in situ hybridization light microscopic technique. Hepatocyte nuclei were identified by cytokeratin (Cam5.2) staining and evaluated for X and Y chromosome content. Over 1.6 million hepatocytes were assessed for rare instances of donor origin, revealing a Y chromosome in 67. Mixed tetraploids (XXXY) and their nuclear truncation products (XXY, XY, Y) were directly demonstrated, with no detection of the male tetraploids (XXYY) that may result from transdifferentiation with subsequent tetraploidization, nor their unique truncation products (XYY, YY), implicating fusion as the mechanism. To determine whether it is the sole mechanism, we modeled the chromosome distribution based on the same probability of detection of each X chromosome, deriving parameters of sensitivity and female tetraploidy by best fit. We then hypothesized that the distribution of Y chromosome-containing cells could be predicted by a similar model. After modification to account for "clumpy" Y chromosomes, the observed results were in accord with the predicted results (p = 0.6). These results suggest that all the Y-containing cells, including apparent XY cells, derive from mixed tetraploids, consistent with fusion as the sole mechanism.
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Affiliation(s)
- David Myerson
- Clinical Research Division, Fred Hutchinson Cancer Research Center, 1100 Fairview Ave. N, Seattle, WA, 98109, USA. .,Department of Pathology, University of Washington, Seattle, WA, 98195, USA.
| | - Rachael K Parkin
- Clinical Research Division, Fred Hutchinson Cancer Research Center, 1100 Fairview Ave. N, Seattle, WA, 98109, USA
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Pesaresi M, Sebastian-Perez R, Cosma MP. Dedifferentiation, transdifferentiation and cell fusion: in vivo reprogramming strategies for regenerative medicine. FEBS J 2018; 286:1074-1093. [PMID: 30103260 DOI: 10.1111/febs.14633] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 07/01/2018] [Accepted: 08/10/2018] [Indexed: 12/23/2022]
Abstract
Regenerative capacities vary enormously across the animal kingdom. In contrast to most cold-blooded vertebrates, mammals, including humans, have very limited regenerative capacity when it comes to repairing damaged or degenerating tissues. Here, we review the main mechanisms of tissue regeneration, underlying the importance of cell dedifferentiation and reprogramming. We discuss the significance of cell fate and identity changes in the context of regenerative medicine, with a particular focus on strategies aiming at the promotion of the body's self-repairing mechanisms. We also introduce some of the most recent advances that have resulted in complete reprogramming of cell identity in vivo. Lastly, we discuss the main challenges that need to be addressed in the near future to develop in vivo reprogramming approaches with therapeutic potential.
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Affiliation(s)
- Martina Pesaresi
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Spain
| | - Ruben Sebastian-Perez
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Spain
| | - Maria Pia Cosma
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Spain.,Universitat Pompeu Fabra (UPF), Barcelona, Spain.,Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
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Pesaresi M, Bonilla-Pons SA, Cosma MP. In vivo somatic cell reprogramming for tissue regeneration: the emerging role of the local microenvironment. Curr Opin Cell Biol 2018; 55:119-128. [PMID: 30071468 DOI: 10.1016/j.ceb.2018.07.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 07/01/2018] [Accepted: 07/09/2018] [Indexed: 12/16/2022]
Abstract
The past few years have witnessed an exponential increase of interest in the reprogramming process. This has been motivated by the enthusiasm of unravelling key aspects not only of cell identity and dedifferentiation, but also of the endogenous regenerative capacities of mammalian organs. Here, we present the most recent advances in the field of reprogramming, stressing how they are re-defining the rules of cell fate and plasticity in vivo. Specifically, we focus on the emerging role of the tissue microenvironment, with particular emphasis on tissue damage, inflammation and senescence that can facilitate in vivo reprogramming and regeneration through cell-extrinsic mechanisms.
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Affiliation(s)
- Martina Pesaresi
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, 08003 Barcelona, Spain
| | - Sergi A Bonilla-Pons
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, 08003 Barcelona, Spain; Universitat de Barcelona (UB), Barcelona, Spain
| | - Maria Pia Cosma
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, 08003 Barcelona, Spain; Universitat Pompeu Fabra (UPF), Dr Aiguader 88, 08003 Barcelona, Spain; ICREA, Pg. Lluís Companys 23, 08010 Barcelona, Spain.
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45
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Kemp KC, Dey R, Verhagen J, Scolding NJ, Usowicz MM, Wilkins A. Aberrant cerebellar Purkinje cell function repaired in vivo by fusion with infiltrating bone marrow-derived cells. Acta Neuropathol 2018. [PMID: 29541917 PMCID: PMC5954067 DOI: 10.1007/s00401-018-1833-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Bone marrow-derived cells are known to infiltrate the adult brain and fuse with cerebellar Purkinje cells. Histological observations that such heterotypic cell fusion events are substantially more frequent following cerebellar injury suggest they could have a role in the protection of mature brain neurons. To date, the possibility that cell fusion can preserve or restore the structure and function of adult brain neurons has not been directly addressed; indeed, though frequently suggested, the possibility of benefit has always been rather speculative. Here we report, for the first time, that fusion of a bone marrow-derived cell with a neuron in vivo, in the mature brain, results in the formation of a spontaneously firing neuron. Notably, we also provide evidence supporting the concept that heterotypic cell fusion acts as a biological mechanism to repair pathological changes in Purkinje cell structure and electrophysiology. We induced chronic central nervous system inflammation in chimeric mice expressing bone marrow cells tagged with enhanced green fluorescent protein. Subsequent in-depth histological analysis revealed significant Purkinje cell injury. In addition, there was an increased incidence of cell fusion between bone marrow-derived cells and Purkinje cells, revealed as enhanced green fluorescent protein-expressing binucleate heterokaryons. These fused cells resembled healthy Purkinje cells in their morphology, soma size, ability to synthesize the neurotransmitter gamma-aminobutyric acid, and synaptic innervation from neighbouring cells. Extracellular recording of spontaneous firing ex vivo revealed a shift in the predominant mode of firing of non-fused Purkinje cells in the context of cerebellar inflammation. By contrast, the firing patterns of fused Purkinje cells were the same as in healthy control cerebellum, indicating that fusion of bone marrow-derived cells with Purkinje cells mitigated the effects of cell injury on electrical activity. Together, our histological and electrophysiological results provide novel fundamental insights into physiological processes by which nerve cells are protected in adult life.
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Affiliation(s)
- Kevin C Kemp
- Multiple Sclerosis and Stem Cell Group, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK.
| | - Rimi Dey
- Multiple Sclerosis and Stem Cell Group, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Johan Verhagen
- Infection and Immunity, School of Cellular and Molecular Medicine, University of Bristol, Bristol, UK
- Department of Immunobiology, Faculty of Life Sciences and Medicine, King's College London, Guy's Hospital, London, UK
| | - Neil J Scolding
- Multiple Sclerosis and Stem Cell Group, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Maria M Usowicz
- School of Physiology, Pharmacology and Neuroscience, University of Bristol, Bristol, UK
| | - Alastair Wilkins
- Multiple Sclerosis and Stem Cell Group, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
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Tumor cell expression of CD163 is associated to postoperative radiotherapy and poor prognosis in patients with breast cancer treated with breast-conserving surgery. J Cancer Res Clin Oncol 2018; 144:1253-1263. [PMID: 29725763 PMCID: PMC6002457 DOI: 10.1007/s00432-018-2646-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 04/18/2018] [Indexed: 12/12/2022]
Abstract
Purpose Cancer cell fusion with macrophages results in highly tumorigenic hybrids that acquire genetic and phenotypic characteristics from both maternal cells. Macrophage traits, exemplified by CD163 expression, in tumor cells are associated with advanced stages and poor prognosis in breast cancer (BC). In vitro data suggest that cancer cells expressing CD163 acquire radioresistance. Methods Tissue microarray was constructed from primary BC obtained from 83 patients treated with breast-conserving surgery, 50% having received postoperative radiotherapy (RT) and none of the patients had lymph node or distant metastasis. Immunostaining of CD163 in cancer cells and macrophage infiltration (MI) in tumor stroma were evaluated. Macrophage:MCF-7 hybrids were generated by spontaneous in vitro cell fusion. After irradiation (0, 2.5 and 5 Gy γ-radiation), both hybrids and their maternal MCF-7 cells were examined by clonogenic survival. Results CD163-expression by cancer cells was significantly associated with MI and clinicopathological data. Patients with CD163-positive tumors had significantly shorter disease-free survival (DFS) after RT. In vitro generated macrophage:MCF-7 hybrids developed radioresistance and exhibited better survival and colony forming ability after radiation compared to maternal MCF-7 cancer cells. Conclusions Our results suggest that macrophage phenotype in tumor cells results in radioresistance in breast cancer and shorter DFS after radiotherapy.
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Weiler J, Mohr M, Zänker KS, Dittmar T. Matrix metalloproteinase-9 (MMP9) is involved in the TNF-α-induced fusion of human M13SV1-Cre breast epithelial cells and human MDA-MB-435-pFDR1 cancer cells. Cell Commun Signal 2018; 16:14. [PMID: 29636110 PMCID: PMC5894245 DOI: 10.1186/s12964-018-0226-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 04/02/2018] [Indexed: 01/07/2023] Open
Abstract
Background In addition to physiological events such as fertilisation, placentation, osteoclastogenesis, or tissue regeneration/wound healing, cell fusion is involved in pathophysiological conditions such as cancer. Cell fusion, which applies to both the proteins and conditions that induce the merging of two or more cells, is not a fully understood process. Inflammation/pro-inflammatory cytokines might be a positive trigger for cell fusion. Using a Cre-LoxP-based cell fusion assay we demonstrated that the fusion between human M13SV1-Cre breast epithelial cells and human MDA-MB-435-pFDR1 cancer cells was induced by the pro-inflammatory cytokine tumour necrosis factor-α (TNF-α). Methods The gene expression profile of the cells in the presence of TNF-α and under normoxic and hypoxic conditions was analysed by cDNA microarray analysis. cDNA microarray data were verified by qPCR, PCR, Western blot and zymography. Quantification of cell fusion events was determined by flow cytometry. Proteins of interest were either blocked or knocked-down using a specific inhibitor, siRNA or a blocking antibody. Results The data showed an up-regulation of various genes, including claudin-1 (CLDN1), ICAM1, CCL2 and MMP9 in M13SV1-Cre and/or MDA-MB-435-pFDR1 cells. Inhibition of these proteins using a blocking ICAM1 antibody, CLDN1 siRNA or an MMP9 inhibitor showed that only the blockage of MMP9 was correlated with a decreased fusion rate of the cells. Likewise, the tetracycline-based antibiotic minocycline, which exhibits anti-inflammatory properties, was also effective in both inhibiting the TNF-α-induced MMP9 expression in M13SV1-Cre cells and blocking the TNF-α-induced fusion frequency of human M13SV1-Cre breast epithelial cells and human MDA-MB-435-pFDR1 cancer cells. Conclusions The matrix metalloproteinase-9 (MMP9) is most likely involved in the TNF-α-mediated fusion of human M13SV1-Cre breast epithelial cells and human MDA-MB-435-pFDR1 cancer cells. Likewise, our data indicate that the tetracycline-based antibiotic minocycline might exhibit anti-fusogenic properties because it inhibits a cell fusion-related mechanism. Electronic supplementary material The online version of this article (10.1186/s12964-018-0226-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Julian Weiler
- Institute of Immunology, Centre of Biomedical Education and Research (ZBAF), Witten/Herdecke University, Stockumer Str. 10, 58448, Witten, Germany
| | - Marieke Mohr
- BioGenes GmbH, Köpenicker Str. 325, 12555, Berlin, Germany
| | - Kurt S Zänker
- Institute of Immunology, Centre of Biomedical Education and Research (ZBAF), Witten/Herdecke University, Stockumer Str. 10, 58448, Witten, Germany
| | - Thomas Dittmar
- Institute of Immunology, Centre of Biomedical Education and Research (ZBAF), Witten/Herdecke University, Stockumer Str. 10, 58448, Witten, Germany.
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Pesaresi M, Bonilla-Pons SA, Simonte G, Sanges D, Di Vicino U, Cosma MP. Endogenous Mobilization of Bone-Marrow Cells Into the Murine Retina Induces Fusion-Mediated Reprogramming of Müller Glia Cells. EBioMedicine 2018. [PMID: 29525572 PMCID: PMC5952225 DOI: 10.1016/j.ebiom.2018.02.023] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Müller glial cells (MGCs) represent the most plastic cell type found in the retina. Following injury, zebrafish and avian MGCs can efficiently re-enter the cell cycle, proliferate and generate new functional neurons. The regenerative potential of mammalian MGCs, however, is very limited. Here, we showed that N-methyl-d-aspartate (NMDA) damage stimulates murine MGCs to re-enter the cell cycle and de-differentiate back to a progenitor-like stage. These events are dependent on the recruitment of endogenous bone marrow cells (BMCs), which, in turn, is regulated by the stromal cell-derived factor 1 (SDF1)-C-X-C motif chemokine receptor type 4 (CXCR4) pathway. BMCs mobilized into the damaged retina can fuse with resident MGCs, and the resulting hybrids undergo reprogramming followed by re-differentiation into cells expressing markers of ganglion and amacrine neurons. Our findings constitute an important proof-of-principle that mammalian MGCs retain their regenerative potential, and that such potential can be activated via cell fusion with recruited BMCs. In this perspective, our study could contribute to the development of therapeutic strategies based on the enhancement of mammalian endogenous repair capabilities. Endogenous bone marrow cells migrate into NMDA-damaged murine retinae and fuse with retinal Müller glial cells (MGCs). MGCs can be reprogrammed to retinal progenitors to then differentiate into ganglion and amacrine neurons. Modulation of the SDF1/CXCR4 pathway regulates BMC migration, BMC-MGC fusion, and MGC reprogramming.
Retinal degeneration is present in a large and heterogeneous group of debilitating diseases, often not curable. Cell therapy represents an interesting approach to regenerate injured retinal tissue. However, it comes with some hurdles in terms of engraftment and differentiation of the transplanted cells. Here, we reported that murine Müller glia cells can be converted into retinal neurons after fusion with endogenous bone marrow cells. The efficiency of this mechanism can be enhanced by perturbation of the SDF1/CXCR4 signaling pathway. Our study provides an important proof-of-principle that the limited endogenous regeneration capability of mammals can be enhanced by modulation of specific signaling pathways.
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Affiliation(s)
- Martina Pesaresi
- Center for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Sergi A Bonilla-Pons
- Center for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain.; Universitat de Barcelona (UB), Barcelona, Spain
| | - Giacoma Simonte
- Center for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Daniela Sanges
- Center for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Umberto Di Vicino
- Center for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Maria Pia Cosma
- Center for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain.; ICREA, Barcelona, Spain..
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Sampath SC, Sampath SC, Millay DP. Myoblast fusion confusion: the resolution begins. Skelet Muscle 2018; 8:3. [PMID: 29386054 PMCID: PMC5793351 DOI: 10.1186/s13395-017-0149-3] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Accepted: 12/29/2017] [Indexed: 02/06/2023] Open
Abstract
The fusion of muscle precursor cells is a required event for proper skeletal muscle development and regeneration. Numerous proteins have been implicated to function in myoblast fusion; however, the majority are expressed in diverse tissues and regulate numerous cellular processes. How myoblast fusion is triggered and coordinated in a muscle-specific manner has remained a mystery for decades. Through the discovery of two muscle-specific fusion proteins, Myomaker and Myomerger–Minion, we are now primed to make significant advances in our knowledge of myoblast fusion. This article reviews the latest findings regarding the biology of Myomaker and Minion–Myomerger, places these findings in the context of known pathways in mammalian myoblast fusion, and highlights areas that require further investigation. As our understanding of myoblast fusion matures so does our potential ability to manipulate cell fusion for therapeutic purposes.
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Affiliation(s)
- Srihari C Sampath
- Genomics Institute of the Novartis Research Foundation, 10675 John Jay Hopkins Drive, San Diego, CA, 92121, USA. .,Division of Musculoskeletal Imaging, Department of Radiology, University of California San Diego School of Medicine, 200 West Arbor Drive, San Diego, CA, 92103, USA.
| | - Srinath C Sampath
- Genomics Institute of the Novartis Research Foundation, 10675 John Jay Hopkins Drive, San Diego, CA, 92121, USA. .,Division of Musculoskeletal Imaging, Department of Radiology, University of California San Diego School of Medicine, 200 West Arbor Drive, San Diego, CA, 92103, USA.
| | - Douglas P Millay
- Department of Molecular Cardiovascular Biology, Cincinnati Children's Hospital Medical Center, 240 Albert Sabin Way, Cincinnati, OH, 45229, USA. .,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, 45229, USA.
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The state of the art in stem cell biology and regenerative medicine: the end of the beginning. Pediatr Res 2018; 83:191-204. [PMID: 29019974 DOI: 10.1038/pr.2017.258] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Accepted: 10/02/2017] [Indexed: 12/11/2022]
Abstract
With translational stem cell biology and Regenerative Medicine (the field to which the former gave rise) now over a quarter century old, it is time to take stock of where we have been and where we are going. This editorial overview, which serves as an introduction to this special issue of Pediatric Research dedicated to these fields, reinforces the notion that stem cells are ultimately intrinsic parts of developmental biology, for which Pediatrics represents the clinical face. Although stem cells provide the cellular basis for a great deal of only recently recognized plasticity programmed into the developing and postdevelopmental organism, and although there is enormous promise in harnessing this plasticity for therapeutic advantage, their successful use rests on a deep understanding of their developmental imperatives and the developmental programs in which they engage. The potential uses of stems are ranked and discussed in the order of most readily achievable to those requiring extensively more work. Although that order may not be what was contemplated at the field's birth, we nevertheless retain an optimism for the ultimate positive impact of exploiting this fundamental biology for the well-being of children.
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