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  • 1
    Publication Date: 2015-08-13
    Description: Breast cancer is the most frequent cancer in women and consists of heterogeneous types of tumours that are classified into different histological and molecular subtypes. PIK3CA and P53 (also known as TP53) are the two most frequently mutated genes and are associated with different types of human breast cancers. The cellular origin and the mechanisms leading to PIK3CA-induced tumour heterogeneity remain unknown. Here we used a genetic approach in mice to define the cellular origin of Pik3ca-derived tumours and the impact of mutations in this gene on tumour heterogeneity. Surprisingly, oncogenic Pik3ca(H1047R) mutant expression at physiological levels in basal cells using keratin (K)5-CreER(T2) mice induced the formation of luminal oestrogen receptor (ER)-positive/progesterone receptor (PR)-positive tumours, while its expression in luminal cells using K8-CReER(T2) mice gave rise to luminal ER(+)PR(+) tumours or basal-like ER(-)PR(-) tumours. Concomitant deletion of p53 and expression of Pik3ca(H1047R) accelerated tumour development and induced more aggressive mammary tumours. Interestingly, expression of Pik3ca(H1047R) in unipotent basal cells gave rise to luminal-like cells, while its expression in unipotent luminal cells gave rise to basal-like cells before progressing into invasive tumours. Transcriptional profiling of cells that underwent cell fate transition upon Pik3ca(H1047R) expression in unipotent progenitors demonstrated a profound oncogene-induced reprogramming of these newly formed cells and identified gene signatures characteristic of the different cell fate switches that occur upon Pik3ca(H1047R) expression in basal and luminal cells, which correlated with the cell of origin, tumour type and different clinical outcomes. Altogether our study identifies the cellular origin of Pik3ca-induced tumours and reveals that oncogenic Pik3ca(H1047R) activates a multipotent genetic program in normally lineage-restricted populations at the early stage of tumour initiation, setting the stage for future intratumoural heterogeneity. These results have important implications for our understanding of the mechanisms controlling tumour heterogeneity and the development of new strategies to block PIK3CA breast cancer initiation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Van Keymeulen, Alexandra -- Lee, May Yin -- Ousset, Marielle -- Brohee, Sylvain -- Rorive, Sandrine -- Giraddi, Rajshekhar R -- Wuidart, Aline -- Bouvencourt, Gaelle -- Dubois, Christine -- Salmon, Isabelle -- Sotiriou, Christos -- Phillips, Wayne A -- Blanpain, Cedric -- England -- Nature. 2015 Sep 3;525(7567):119-23. doi: 10.1038/nature14665. Epub 2015 Aug 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Universite Libre de Bruxelles, IRIBHM, Brussels B-1070, Belgium. ; Institut Jules Bordet, Universite Libre de Bruxelles, Brussels B-1000, Belgium. ; Department of Pathology, Erasme Hospital, Universite Libre de Bruxelles, Brussels B-1070, Belgium. ; DIAPATH - Center for Microscopy and Molecular Imaging (CMMI), Gosselies B-6041, Belgium. ; Surgical Oncology Research Laboratory, Peter MacCallum Cancer Centre, Melbourne 3002, Australia. ; Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville 3002, Australia. ; WELBIO, Universite Libre de Bruxelles, Brussels B-1070, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26266985" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Breast Neoplasms/*genetics/metabolism/*pathology ; Cell Differentiation/genetics ; Cell Division ; Cell Lineage ; Cell Transformation, Neoplastic ; Female ; Genes, p53/genetics ; Humans ; Mammary Neoplasms, Animal/*genetics/metabolism/*pathology ; Mice ; Mutation/genetics ; Neoplasm Invasiveness/genetics ; Phenotype ; Phosphatidylinositol 3-Kinases/*genetics/metabolism ; Receptors, Estrogen/metabolism ; Receptors, Progesterone/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2016-01-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boumahdi, Soufiane -- Blanpain, Cedric -- New York, N.Y. -- Science. 2016 Jan 29;351(6272):453-4. doi: 10.1126/science.aad9670.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Universite Libre de Bruxelles, Institut de Recherche Interdisciplinaire en Biologie Humaine et Moleculaire, Brussels B-1070, Belgium. ; Universite Libre de Bruxelles, Institut de Recherche Interdisciplinaire en Biologie Humaine et Moleculaire, Brussels B-1070, Belgium. WELBIO, Universite Libre de Bruxelles, Brussels B-1070, Belgium. cedric.blanpain@ulb.ac.be.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26823415" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carcinogenesis/*genetics ; *Gene Expression Regulation, Developmental ; *Gene Expression Regulation, Neoplastic ; Melanoma/*genetics ; Melanoma, Experimental/*genetics ; Neural Crest/*metabolism ; Skin Neoplasms/*genetics ; *Zebrafish
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2011-10-11
    Description: The mammary epithelium is composed of several cell lineages including luminal, alveolar and myoepithelial cells. Transplantation studies have suggested that the mammary epithelium is maintained by the presence of multipotent mammary stem cells. To define the cellular hierarchy of the mammary gland during physiological conditions, we performed genetic lineage-tracing experiments and clonal analysis of the mouse mammary gland during development, adulthood and pregnancy. We found that in postnatal unperturbed mammary gland, both luminal and myoepithelial lineages contain long-lived unipotent stem cells that display extensive renewing capacities, as demonstrated by their ability to clonally expand during morphogenesis and adult life as well as undergo massive expansion during several cycles of pregnancy. The demonstration that the mammary gland contains different types of long-lived stem cells has profound implications for our understanding of mammary gland physiology and will be instrumental in unravelling the cells at the origin of breast cancers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Van Keymeulen, Alexandra -- Rocha, Ana Sofia -- Ousset, Marielle -- Beck, Benjamin -- Bouvencourt, Gaelle -- Rock, Jason -- Sharma, Neha -- Dekoninck, Sophie -- Blanpain, Cedric -- England -- Nature. 2011 Oct 9;479(7372):189-93. doi: 10.1038/nature10573.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Universite Libre de Bruxelles, IRIBHM, Brussels B-1070, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21983963" target="_blank"〉PubMed〈/a〉
    Keywords: Aging ; Animals ; Cell Differentiation ; *Cell Lineage ; Cell Transplantation ; Epithelium ; Female ; Homeostasis ; Lactation/physiology ; Mammary Glands, Animal/*cytology/*growth & development/physiology/transplantation ; Mice ; Multipotent Stem Cells/cytology ; Pregnancy ; Stem Cells/*cytology/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2011-10-21
    Description: Angiogenesis is critical during tumour initiation and malignant progression. Different strategies aimed at blocking vascular endothelial growth factor (VEGF) and its receptors have been developed to inhibit angiogenesis in cancer patients. It has become increasingly clear that in addition to its effect on angiogenesis, other mechanisms including a direct effect of VEGF on tumour cells may account for the efficiency of VEGF-blockade therapies. Cancer stem cells (CSCs) have been described in various cancers including squamous tumours of the skin. Here we use a mouse model of skin tumours to investigate the impact of the vascular niche and VEGF signalling on controlling the stemness (the ability to self renew and differentiate) of squamous skin tumours during the early stages of tumour progression. We show that CSCs of skin papillomas are localized in a perivascular niche, in the immediate vicinity of endothelial cells. Furthermore, blocking VEGFR2 caused tumour regression not only by decreasing the microvascular density, but also by reducing CSC pool size and impairing CSC renewal properties. Conditional deletion of Vegfa in tumour epithelial cells caused tumours to regress, whereas VEGF overexpression by tumour epithelial cells accelerated tumour growth. In addition to its well-known effect on angiogenesis, VEGF affected skin tumour growth by promoting cancer stemness and symmetric CSC division, leading to CSC expansion. Moreover, deletion of neuropilin-1 (Nrp1), a VEGF co-receptor expressed in cutaneous CSCs, blocked VEGF's ability to promote cancer stemness and renewal. Our results identify a dual role for tumour-cell-derived VEGF in promoting cancer stemness: by stimulating angiogenesis in a paracrine manner, VEGF creates a perivascular niche for CSCs, and by directly affecting CSCs through Nrp1 in an autocrine loop, VEGF stimulates cancer stemness and renewal. Finally, deletion of Nrp1 in normal epidermis prevents skin tumour initiation. These results may have important implications for the prevention and treatment of skin cancers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Beck, Benjamin -- Driessens, Gregory -- Goossens, Steven -- Youssef, Khalil Kass -- Kuchnio, Anna -- Caauwe, Amelie -- Sotiropoulou, Panagiota A -- Loges, Sonja -- Lapouge, Gaelle -- Candi, Aurelie -- Mascre, Guilhem -- Drogat, Benjamin -- Dekoninck, Sophie -- Haigh, Jody J -- Carmeliet, Peter -- Blanpain, Cedric -- England -- Nature. 2011 Oct 19;478(7369):399-403. doi: 10.1038/nature10525.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉IRIBHM, Universite Libre de Bruxelles, 808 route de Lennik, 1070 Brussels, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22012397" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carcinoma, Squamous Cell/*blood supply/*pathology ; Cell Differentiation ; Cell Proliferation ; Cells, Cultured ; Disease Models, Animal ; Epithelial Cells/cytology ; Gene Deletion ; Gene Expression Regulation, Neoplastic ; Mice ; Neoplastic Stem Cells ; Neuropilin-1/genetics/*metabolism ; *Signal Transduction ; Skin Neoplasms/*blood supply/*pathology ; Vascular Endothelial Growth Factor A/genetics/*metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 2014-06-10
    Description: Cancer stem cells (CSCs) have been reported in various cancers, including in skin squamous-cell carcinoma (SCC). The molecular mechanisms regulating tumour initiation and stemness are still poorly characterized. Here we find that Sox2, a transcription factor expressed in various types of embryonic and adult stem cells, was the most upregulated transcription factor in the CSCs of squamous skin tumours in mice. SOX2 is absent in normal epidermis but begins to be expressed in the vast majority of mouse and human pre-neoplastic skin tumours, and continues to be expressed in a heterogeneous manner in invasive mouse and human SCCs. In contrast to other SCCs, in which SOX2 is frequently genetically amplified, the expression of SOX2 in mouse and human skin SCCs is transcriptionally regulated. Conditional deletion of Sox2 in the mouse epidermis markedly decreases skin tumour formation after chemical-induced carcinogenesis. Using green fluorescent protein (GFP) as a reporter of Sox2 transcriptional expression (SOX2-GFP knock-in mice), we showed that SOX2-expressing cells in invasive SCC are greatly enriched in tumour-propagating cells, which further increase upon serial transplantations. Lineage ablation of SOX2-expressing cells within primary benign and malignant SCCs leads to tumour regression, consistent with the critical role of SOX2-expressing cells in tumour maintenance. Conditional Sox2 deletion in pre-existing skin papilloma and SCC leads to tumour regression and decreases the ability of cancer cells to be propagated upon transplantation into immunodeficient mice, supporting the essential role of SOX2 in regulating CSC functions. Transcriptional profiling of SOX2-GFP-expressing CSCs and of tumour epithelial cells upon Sox2 deletion uncovered a gene network regulated by SOX2 in primary tumour cells in vivo. Chromatin immunoprecipitation identified several direct SOX2 target genes controlling tumour stemness, survival, proliferation, adhesion, invasion and paraneoplastic syndrome. We demonstrate that SOX2, by marking and regulating the functions of skin tumour-initiating cells and CSCs, establishes a continuum between tumour initiation and progression in primary skin tumours.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boumahdi, Soufiane -- Driessens, Gregory -- Lapouge, Gaelle -- Rorive, Sandrine -- Nassar, Dany -- Le Mercier, Marie -- Delatte, Benjamin -- Caauwe, Amelie -- Lenglez, Sandrine -- Nkusi, Erwin -- Brohee, Sylvain -- Salmon, Isabelle -- Dubois, Christine -- del Marmol, Veronique -- Fuks, Francois -- Beck, Benjamin -- Blanpain, Cedric -- England -- Nature. 2014 Jul 10;511(7508):246-50. doi: 10.1038/nature13305. Epub 2014 Jun 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Universite Libre de Bruxelles, IRIBHM, Brussels B-1070, Belgium. ; 1] Universite Libre de Bruxelles, IRIBHM, Brussels B-1070, Belgium [2]. ; 1] Department of Pathology, Erasme Hospital, Universite Libre de Bruxelles, Brussels B-1070, Belgium [2] DIAPATH-Center for Microscopy and Molecular Imaging (CMMI), Gosselies B-6041, Belgium. ; Department of Pathology, Erasme Hospital, Universite Libre de Bruxelles, Brussels B-1070, Belgium. ; Laboratory of Cancer Epigenetics, Universite Libre de Bruxelles, Brussels B-1070, Belgium. ; Machine Learning Group, Computer Science Department, Faculte des Sciences, Universite Libre de Bruxelles, Brussels B-1050, Belgium. ; Department of Dermatology, Erasme Hospital, Universite Libre de Bruxelles, Brussels B-1070, Belgium. ; 1] Universite Libre de Bruxelles, IRIBHM, Brussels B-1070, Belgium [2] WELBIO, Universite Libre de Bruxelles, Brussels B-1070, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24909994" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Carcinoma, Squamous Cell/genetics/pathology ; Cell Adhesion/genetics ; Cell Proliferation ; Cell Transformation, Neoplastic/*genetics/metabolism ; Disease Models, Animal ; Gene Deletion ; Gene Expression Profiling ; Gene Expression Regulation, Neoplastic ; Gene Knockdown Techniques ; Gene Regulatory Networks/genetics ; Mice ; Mice, Inbred Strains ; Neoplastic Stem Cells/*metabolism ; SOXB1 Transcription Factors/genetics/*metabolism ; *Skin Neoplasms/genetics/pathology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2012-12-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Heuer, Rolf-Dieter -- Rosenzweig, Cynthia -- Steltzner, Adam -- Blanpain, Cedric -- Iorns, Elizabeth -- Wang, Jun -- Handelsman, Jo -- Gowers, Tim -- De Bernardinis, Bernardo -- Fouchier, Ron -- England -- Nature. 2012 Dec 20;492(7429):335-43. doi: 10.1038/492335a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23257862" target="_blank"〉PubMed〈/a〉
    Keywords: Access to Information ; Animals ; Bioterrorism/prevention & control ; Climate Change ; Disaster Planning/history ; Earthquakes/statistics & numerical data ; Forecasting ; Genomics ; History, 20th Century ; History, 21st Century ; Humans ; Influenza A Virus, H5N1 Subtype/genetics/pathogenicity ; Influenza, Human/transmission/virology ; Mars ; Neoplastic Stem Cells/cytology ; New York City ; Physics/history ; Publishing/economics ; Reproducibility of Results ; *Research/economics/standards/statistics & numerical data ; Security Measures ; Sexism/psychology/statistics & numerical data ; Space Flight/history/instrumentation
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 2012-08-03
    Description: Recent studies using the isolation of a subpopulation of tumour cells followed by their transplantation into immunodeficient mice provide evidence that certain tumours, including squamous skin tumours, contain cells with high clonogenic potential that have been referred to as cancer stem cells (CSCs). Until now, CSC properties have only been investigated by transplantation assays, and their existence in unperturbed tumour growth is unproven. Here we make use of clonal analysis of squamous skin tumours using genetic lineage tracing to unravel the mode of tumour growth in vivo in its native environment. To this end, we used a genetic labelling strategy that allows individual tumour cells to be marked and traced over time at different stages of tumour progression. Surprisingly, we found that the majority of labelled tumour cells in benign papilloma have only limited proliferative potential, whereas a fraction has the capacity to persist long term, giving rise to progeny that occupy a significant part of the tumour. As well as confirming the presence of two distinct proliferative cell compartments within the papilloma, mirroring the composition, hierarchy and fate behaviour of normal tissue, quantitative analysis of clonal fate data indicates that the more persistent population has stem-cell-like characteristics and cycles twice per day, whereas the second represents a slower cycling transient population that gives rise to terminally differentiated tumour cells. Such behaviour is shown to be consistent with double-labelling experiments and detailed clonal fate characteristics. By contrast, measurements of clone size and proliferative potential in invasive squamous cell carcinoma show a different pattern of behaviour, consistent with geometric expansion of a single CSC population with limited potential for terminal differentiation. This study presents the first experimental evidence for the existence of CSCs during unperturbed solid tumour growth.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Driessens, Gregory -- Beck, Benjamin -- Caauwe, Amelie -- Simons, Benjamin D -- Blanpain, Cedric -- 079249/Wellcome Trust/United Kingdom -- 092096/Wellcome Trust/United Kingdom -- England -- Nature. 2012 Aug 23;488(7412):527-30. doi: 10.1038/nature11344.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Universite Libre de Bruxelles, IRIBHM, Brussels B-1070, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22854777" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carcinoma, Squamous Cell/genetics/pathology ; Cell Count ; Cell Differentiation ; *Cell Lineage ; Cell Proliferation ; *Cell Tracking ; Clone Cells/metabolism/pathology ; Disease Models, Animal ; Humans ; Mice ; Models, Biological ; Neoplastic Stem Cells/metabolism/pathology ; Skin Neoplasms/genetics/*pathology ; Stochastic Processes ; Tumor Microenvironment
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 8
    Publication Date: 2012-09-04
    Description: The skin interfollicular epidermis (IFE) is the first barrier against the external environment and its maintenance is critical for survival. Two seemingly opposite theories have been proposed to explain IFE homeostasis. One posits that IFE is maintained by long-lived slow-cycling stem cells that give rise to transit-amplifying cell progeny, whereas the other suggests that homeostasis is achieved by a single committed progenitor population that balances stochastic fate. Here we probe the cellular heterogeneity within the IFE using two different inducible Cre recombinase-oestrogen receptor constructs targeting IFE progenitors in mice. Quantitative analysis of clonal fate data and proliferation dynamics demonstrate the existence of two distinct proliferative cell compartments arranged in a hierarchy involving slow-cycling stem cells and committed progenitor cells. After wounding, only stem cells contribute substantially to the repair and long-term regeneration of the tissue, whereas committed progenitor cells make a limited contribution.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mascre, Guilhem -- Dekoninck, Sophie -- Drogat, Benjamin -- Youssef, Khalil Kass -- Brohee, Sylvain -- Sotiropoulou, Panagiota A -- Simons, Benjamin D -- Blanpain, Cedric -- 079249/Wellcome Trust/United Kingdom -- 092096/Wellcome Trust/United Kingdom -- England -- Nature. 2012 Sep 13;489(7415):257-62. doi: 10.1038/nature11393.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Universite Libre de Bruxelles, IRIBHM, Brussels B-1070, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22940863" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cell Division ; Cell Lineage ; Cell Survival ; Clone Cells/cytology/metabolism ; Epidermis/*cytology ; Integrases/genetics/metabolism ; Keratin-14/genetics ; Mice ; Promoter Regions, Genetic/genetics ; Protein Precursors/genetics ; Receptors, Estrogen/genetics/metabolism ; Stem Cells/*cytology/metabolism ; Tail/cytology ; Wound Healing/physiology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 9
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2014-06-14
    Description: Tissues rely upon stem cells for homeostasis and repair. Recent studies show that the fate and multilineage potential of epithelial stem cells can change depending on whether a stem cell exists within its resident niche and responds to normal tissue homeostasis, whether it is mobilized to repair a wound, or whether it is taken from its niche and challenged to de novo tissue morphogenesis after transplantation. In this Review, we discuss how different populations of naturally lineage-restricted stem cells and committed progenitors can display remarkable plasticity and reversibility and reacquire long-term self-renewing capacities and multilineage differentiation potential during physiological and regenerative conditions. We also discuss the implications of cellular plasticity for regenerative medicine and for cancer.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4523269/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4523269/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Blanpain, Cedric -- Fuchs, Elaine -- R01 AR031737/AR/NIAMS NIH HHS/ -- R01 AR050452/AR/NIAMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2014 Jun 13;344(6189):1242281. doi: 10.1126/science.1242281. Epub 2014 Jun 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut de Recherche Interdisciplinaire en Biologie Humaine et Moleculaire (IRIBHM), Universite Libre de Bruxelles, Brussels B-1070, Belgium. Walloon Excellence in Life Sciences and Biotechnology (WELBIO), Universite Libre de Bruxelles (ULB), Brussels B-1070, Belgium. fuchslb@rockefeller.edu cedric.blanpain@ulb.ac.be. ; Howard Hughes Medical Institute, The Rockefeller University, New York, NY 10065, USA. fuchslb@rockefeller.edu cedric.blanpain@ulb.ac.be.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24926024" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carcinogenesis/pathology ; Cell Lineage ; Cell Tracking ; Epithelial Cells/cytology/pathology/*physiology ; Epithelium/physiology ; Humans ; *Regeneration ; Regenerative Medicine/trends ; Stem Cells/cytology/pathology/*physiology ; Wound Healing
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
    Keywords: RNA ; PATIENT ; TISSUES ; BREAST-CANCER ; IN-SITU ; resistance ; EVOLUTION ; SINGLE CELLS ; INTRATUMOR HETEROGENEITY ; CHALLENGE
    Abstract: The extent of tumor heterogeneity is an emerging theme that researchers are only beginning to understand. How genetic and epigenetic heterogeneity affects tumor evolution and clinical progression is unknown. The precise nature of the environmental factors that influence this heterogeneity is also yet to be characterized. Nature Medicine, Nature Biotechnology and the Volkswagen Foundation organized a meeting focused on identifying the obstacles that need to be overcome to advance translational research in and tumor heterogeneity. Once these key questions were established, the attendees devised potential solutions. Their ideas are presented here.
    Type of Publication: Journal article published
    PubMed ID: 26248267
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