251
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Lilja AM, Rodilla V, Huyghe M, Hannezo E, Landragin C, Renaud O, Leroy O, Rulands S, Simons BD, Fre S. Clonal analysis of Notch1-expressing cells reveals the existence of unipotent stem cells that retain long-term plasticity in the embryonic mammary gland. Nat Cell Biol 2018; 20:677-687. [PMID: 29784917 DOI: 10.1038/s41556-018-0108-1] [Citation(s) in RCA: 97] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2017] [Accepted: 04/23/2018] [Indexed: 01/15/2023]
Abstract
Recent lineage tracing studies have revealed that mammary gland homeostasis relies on unipotent stem cells. However, whether and when lineage restriction occurs during embryonic mammary development, and which signals orchestrate cell fate specification, remain unknown. Using a combination of in vivo clonal analysis with whole mount immunofluorescence and mathematical modelling of clonal dynamics, we found that embryonic multipotent mammary cells become lineage-restricted surprisingly early in development, with evidence for unipotency as early as E12.5 and no statistically discernable bipotency after E15.5. To gain insights into the mechanisms governing the switch from multipotency to unipotency, we used gain-of-function Notch1 mice and demonstrated that Notch activation cell autonomously dictates luminal cell fate specification to both embryonic and basally committed mammary cells. These functional studies have important implications for understanding the signals underlying cell plasticity and serve to clarify how reactivation of embryonic programs in adult cells can lead to cancer.
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Affiliation(s)
- Anna M Lilja
- Institut Curie, PSL Research University, INSERM, CNRS, Paris, France.,Sorbonne University, UPMC University of Paris VI, Paris, France
| | - Veronica Rodilla
- Institut Curie, PSL Research University, INSERM, CNRS, Paris, France. .,Sorbonne University, UPMC University of Paris VI, Paris, France. .,Preclinical Research Program; Vall d'Hebron Institute of Oncology (VHIO), Barcelona, Spain.
| | - Mathilde Huyghe
- Institut Curie, PSL Research University, INSERM, CNRS, Paris, France.,Sorbonne University, UPMC University of Paris VI, Paris, France
| | - Edouard Hannezo
- Cavendish Laboratory, Department of Physics, University of Cambridge, Cambridge, UK.,The Wellcome Trust/Cancer Research UK Gurdon Institute, University of Cambridge, Cambridge, UK.,The Wellcome Trust/Medical Research Council Stem Cell Institute, University of Cambridge, Cambridge, UK.,Institute of Science and Technology Austria, Klosterneuburg, Austria
| | - Camille Landragin
- Institut Curie, PSL Research University, INSERM, CNRS, Paris, France.,Sorbonne University, UPMC University of Paris VI, Paris, France
| | - Olivier Renaud
- Institut Curie, PSL Research University, INSERM, CNRS, Paris, France.,Sorbonne University, UPMC University of Paris VI, Paris, France.,Cell and Tissue Imaging Facility (PICT-IBiSA), Institut Curie, Paris, France
| | - Olivier Leroy
- Institut Curie, PSL Research University, INSERM, CNRS, Paris, France.,Sorbonne University, UPMC University of Paris VI, Paris, France.,Cell and Tissue Imaging Facility (PICT-IBiSA), Institut Curie, Paris, France
| | - Steffen Rulands
- Max Planck Institute for the Physics of Complex Systems, Dresden, Germany.,Center for Systems Biology Dresden, Dresden, Germany
| | - Benjamin D Simons
- Cavendish Laboratory, Department of Physics, University of Cambridge, Cambridge, UK.,The Wellcome Trust/Cancer Research UK Gurdon Institute, University of Cambridge, Cambridge, UK.,The Wellcome Trust/Medical Research Council Stem Cell Institute, University of Cambridge, Cambridge, UK
| | - Silvia Fre
- Institut Curie, PSL Research University, INSERM, CNRS, Paris, France. .,Sorbonne University, UPMC University of Paris VI, Paris, France.
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252
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Panciera T, Azzolin L, Di Biagio D, Totaro A, Cordenonsi M, Piccolo S. De Novo Generation of Somatic Stem Cells by YAP/TAZ. J Vis Exp 2018. [PMID: 29782008 PMCID: PMC6101120 DOI: 10.3791/57462] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Here we present protocols to isolate primary differentiated cells and turn them into stem/progenitor cells (SCs) of the same lineage by transient expression of the transcription factor YAP. With this method, luminal differentiated (LD) cells of the mouse mammary gland are converted into cells that exhibit molecular and functional properties of mammary SCs. YAP also turns fully differentiated pancreatic exocrine cells into pancreatic duct-like progenitors. Similarly, to endogenous, natural SCs, YAP-induced stem-like cells ("ySCs") can be eventually expanded as organoid cultures long term in vitro, without further need of ectopic YAP/TAZ, as ySCs are endowed with a heritable self-renewing SC-like state. The reprogramming procedure presented here offers the possibility to generate and expand in vitro progenitor cells of various tissue sources starting from differentiated cells. The straightforward expansion of somatic cells ex vivo has implications for regenerative medicine, for understanding mechanisms of tumor initiation and, more in general, for cell and developmental biology studies.
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Affiliation(s)
- Tito Panciera
- Department of Molecular Medicine, University of Padua School of Medicine
| | - Luca Azzolin
- Department of Molecular Medicine, University of Padua School of Medicine
| | - Daniele Di Biagio
- Department of Molecular Medicine, University of Padua School of Medicine
| | - Antonio Totaro
- Department of Molecular Medicine, University of Padua School of Medicine
| | | | - Stefano Piccolo
- Department of Molecular Medicine, University of Padua School of Medicine;
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253
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Zhai Z, Boquete JP, Lemaitre B. Cell-Specific Imd-NF-κB Responses Enable Simultaneous Antibacterial Immunity and Intestinal Epithelial Cell Shedding upon Bacterial Infection. Immunity 2018; 48:897-910.e7. [DOI: 10.1016/j.immuni.2018.04.010] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 12/31/2017] [Accepted: 04/10/2018] [Indexed: 12/13/2022]
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254
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Kim JY, Ahn G, Kim C, Lee JS, Lee IG, An SH, Yun WS, Kim SY, Shim JH. Synergistic Effects of Beta Tri-Calcium Phosphate and Porcine-Derived Decellularized Bone Extracellular Matrix in 3D-Printed Polycaprolactone Scaffold on Bone Regeneration. Macromol Biosci 2018; 18:e1800025. [DOI: 10.1002/mabi.201800025] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 03/08/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Jun-Young Kim
- Department of Orthopedic Surgery; Kyungpook National University Hospital; 130 Dongdeok-ro Jung-gu Daegu 41944 Republic of Korea
| | - Geunseon Ahn
- Research Institute; T&R Biofab Co., Ltd.; 237 Sangidaehak-Ro Siheung-si Gyeonggi-do 15073 Republic of Korea
| | - Changhwan Kim
- Research Institute; T&R Biofab Co., Ltd.; 237 Sangidaehak-Ro Siheung-si Gyeonggi-do 15073 Republic of Korea
| | - Jeong-Seok Lee
- Department of Mechanical Engineering; Korea Polytechnic University; 237 Sangidaehak-Ro Siheung-si Gyeonggi-do 15073 Republic of Korea
| | - In-Gyu Lee
- Department of Mechanical Engineering; Korea Polytechnic University; 237 Sangidaehak-Ro Siheung-si Gyeonggi-do 15073 Republic of Korea
| | - Sang-Hyun An
- Laboratory Animal Center; Daegu-Gyeongbuk Medical Innovation Foundation; 88 Dongae-ro Dong-gu Daegu 41061 Republic of Korea
| | - Won-Soo Yun
- Research Institute; T&R Biofab Co., Ltd.; 237 Sangidaehak-Ro Siheung-si Gyeonggi-do 15073 Republic of Korea
- Department of Mechanical Engineering; Korea Polytechnic University; 237 Sangidaehak-Ro Siheung-si Gyeonggi-do 15073 Republic of Korea
| | - Shin-Yoon Kim
- Department of Orthopedic Surgery; Kyungpook National University Hospital; 130 Dongdeok-ro Jung-gu Daegu 41944 Republic of Korea
| | - Jin-Hyung Shim
- Department of Mechanical Engineering; Korea Polytechnic University; 237 Sangidaehak-Ro Siheung-si Gyeonggi-do 15073 Republic of Korea
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255
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Van Keymeulen A, Fioramonti M, Centonze A, Bouvencourt G, Achouri Y, Blanpain C. Lineage-Restricted Mammary Stem Cells Sustain the Development, Homeostasis, and Regeneration of the Estrogen Receptor Positive Lineage. Cell Rep 2018; 20:1525-1532. [PMID: 28813665 PMCID: PMC5575359 DOI: 10.1016/j.celrep.2017.07.066] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2017] [Revised: 05/30/2017] [Accepted: 07/24/2017] [Indexed: 01/07/2023] Open
Abstract
The mammary gland (MG) is composed of different cell lineages, including the basal and the luminal cells (LCs) that are maintained by distinct stem cell (SC) populations. LCs can be subdivided into estrogen receptor (ER)+ and ER− cells. LCs act as the cancer cell of origin in different types of mammary tumors. It remains unclear whether the heterogeneity found in luminal-derived mammary tumors arises from a pre-existing heterogeneity within LCs. To investigate LC heterogeneity, we used lineage tracing to assess whether the ER+ lineage is maintained by multipotent SCs or by lineage-restricted SCs. To this end, we generated doxycycline-inducible ER-rtTA mice that allowed us to perform genetic lineage tracing of ER+ LCs and study their fate and long-term maintenance. Our results show that ER+ cells are maintained by lineage-restricted SCs that exclusively contribute to the expansion of the ER+ lineage during puberty and their maintenance during adult life. ER+ stem cells mediate expansion and maintenance of the ER+ lineage ER+ stem cells expand and differentiate into ER+ cells following transplantation ER+ stem cells survive involution and repopulate the ER+ lineage
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Affiliation(s)
- Alexandra Van Keymeulen
- Laboratory of Stem Cells and Cancer, Université Libre de Bruxelles (ULB), Brussels 1070, Belgium.
| | - Marco Fioramonti
- Laboratory of Stem Cells and Cancer, Université Libre de Bruxelles (ULB), Brussels 1070, Belgium
| | - Alessia Centonze
- Laboratory of Stem Cells and Cancer, Université Libre de Bruxelles (ULB), Brussels 1070, Belgium
| | - Gaëlle Bouvencourt
- Laboratory of Stem Cells and Cancer, Université Libre de Bruxelles (ULB), Brussels 1070, Belgium
| | - Younes Achouri
- de Duve Institute, Université Catholique de Louvain, Brussels 1200, Belgium
| | - Cédric Blanpain
- Laboratory of Stem Cells and Cancer, Université Libre de Bruxelles (ULB), Brussels 1070, Belgium; WELBIO, Université Libre de Bruxelles, Brussels 1070, Belgium.
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256
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aPKCζ-dependent Repression of Yap is Necessary for Functional Restoration of Irradiated Salivary Glands with IGF-1. Sci Rep 2018; 8:6347. [PMID: 29679075 PMCID: PMC5910385 DOI: 10.1038/s41598-018-24678-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 04/04/2018] [Indexed: 12/16/2022] Open
Abstract
Xerostomia and salivary hypofunction often result as a consequence of radiation therapy for head and neck cancers, which are diagnosed in roughly 60,000 individuals every year in the U.S. Due to the lack of effective treatments for radiation-induced salivary hypofunction, stem cell-based therapies have been suggested to regenerate the irradiated salivary glands. Pharmacologically, restoration of salivary gland function has been accomplished in mice by administering IGF-1 shortly after radiation treatment, but it is not known if salivary stem and progenitor cells play a role. We show that radiation inactivates aPKCζ and promotes nuclear redistribution of Yap in a population of label-retaining cells in the acinar compartment of the parotid gland (PG)- which comprises a heterogeneous pool of salivary progenitors. Administration of IGF-1 post-radiation maintains activation of aPKCζ and partially rescues Yap's cellular localization in label retaining cells, while restoring salivary function. Finally, IGF-1 fails to restore saliva production in mice lacking aPKCζ, demonstrating the importance of the kinase as a potential therapeutic target.
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257
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Jokela TA, Engelsen AST, Rybicka A, Pelissier Vatter FA, Garbe JC, Miyano M, Tiron C, Ferariu D, Akslen LA, Stampfer MR, Lorens JB, LaBarge MA. Microenvironment-Induced Non-sporadic Expression of the AXL and cKIT Receptors Are Related to Epithelial Plasticity and Drug Resistance. Front Cell Dev Biol 2018; 6:41. [PMID: 29719832 PMCID: PMC5913284 DOI: 10.3389/fcell.2018.00041] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 03/23/2018] [Indexed: 12/13/2022] Open
Abstract
The existence of rare cancer cells that sporadically acquire drug-tolerance through epigenetic mechanisms is proposed as one mechanism that drives cancer therapy failure. Here we provide evidence that specific microenvironments impose non-sporadic expression of proteins related to epithelial plasticity and drug resistance. Microarrays of robotically printed combinatorial microenvironments of known composition were used to make cell-based functional associations between microenvironments, which were design-inspired by normal and tumor-burdened breast tissues, and cell phenotypes. We hypothesized that specific combinations of microenvironment constituents non-sporadically impose the induction of the AXL and cKIT receptor tyrosine kinase proteins, which are known to be involved in epithelial plasticity and drug-tolerance, in an isogenic human mammary epithelial cell (HMEC) malignant progression series. Dimension reduction analysis reveals type I collagen as a dominant feature, inducing expression of both markers in pre-stasis finite lifespan HMECs, and transformed non-malignant and malignant immortal cell lines. Basement membrane-associated matrix proteins, laminin-111 and type IV collagen, suppress AXL and cKIT expression in pre-stasis and non-malignant cells. However, AXL and cKIT are not suppressed by laminin-111 in malignant cells. General linear models identified key factors, osteopontin, IL-8, and type VIα3 collagen, which significantly upregulated AXL and cKIT, as well as a plasticity-related gene expression program that is often observed in stem cells and in epithelial-to-mesenchymal-transition. These factors are co-located with AXL-expressing cells in situ in normal and breast cancer tissues, and associated with resistance to paclitaxel. A greater diversity of microenvironments induced AXL and cKIT expression consistent with plasticity and drug-tolerant phenotypes in tumorigenic cells compared to normal or immortal cells, suggesting a reduced perception of microenvironment specificity in malignant cells. Microenvironment-imposed reprogramming could explain why resistant cells are seemingly persistent and rapidly adaptable to multiple classes of drugs. These results support the notion that specific microenvironments drive drug-tolerant cellular phenotypes and suggest a novel interventional avenue for preventing acquired therapy resistance.
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Affiliation(s)
- Tiina A. Jokela
- Department of Biomedicine, University of Bergen, Bergen, Norway
- Department of Population Sciences, Center for Cancer and Aging, City of Hope, Duarte, CA, United States
| | - Agnete S. T. Engelsen
- Department of Biomedicine, University of Bergen, Bergen, Norway
- Centre for Cancer Biomarkers, University of Bergen, Bergen, Norway
| | - Agata Rybicka
- Department of Biomedicine, University of Bergen, Bergen, Norway
| | | | - James C. Garbe
- Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, CA, United States
| | - Masaru Miyano
- Department of Population Sciences, Center for Cancer and Aging, City of Hope, Duarte, CA, United States
| | - Crina Tiron
- Regional Institute of Oncology, Iasi, Romania
| | - Dan Ferariu
- Regional Institute of Oncology, Iasi, Romania
| | - Lars A. Akslen
- Centre for Cancer Biomarkers, University of Bergen, Bergen, Norway
| | - Martha R. Stampfer
- Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, CA, United States
| | - James B. Lorens
- Department of Biomedicine, University of Bergen, Bergen, Norway
- Centre for Cancer Biomarkers, University of Bergen, Bergen, Norway
| | - Mark A. LaBarge
- Department of Population Sciences, Center for Cancer and Aging, City of Hope, Duarte, CA, United States
- Centre for Cancer Biomarkers, University of Bergen, Bergen, Norway
- Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, CA, United States
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258
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Tata A, Kobayashi Y, Chow RD, Tran J, Desai A, Massri AJ, McCord TJ, Gunn MD, Tata PR. Myoepithelial Cells of Submucosal Glands Can Function as Reserve Stem Cells to Regenerate Airways after Injury. Cell Stem Cell 2018; 22:668-683.e6. [PMID: 29656943 DOI: 10.1016/j.stem.2018.03.018] [Citation(s) in RCA: 91] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 02/01/2018] [Accepted: 03/21/2018] [Indexed: 01/12/2023]
Abstract
Cells demonstrate plasticity following injury, but the extent of this phenomenon and the cellular mechanisms involved remain underexplored. Using single-cell RNA sequencing (scRNA-seq) and lineage tracing, we uncover that myoepithelial cells (MECs) of the submucosal glands (SMGs) proliferate and migrate to repopulate the airway surface epithelium (SE) in multiple injury models. Specifically, SMG-derived cells display multipotency and contribute to basal and luminal cell types of the SMGs and SE. Ex vivo expanded MECs have the potential to repopulate and differentiate into SE cells when grafted onto denuded airway scaffolds. Significantly, we find that SMG-like cells appear on the SE of both extra- and intra-lobular airways of large animal lungs following severe injury. We find that the transcription factor SOX9 is necessary for MEC plasticity in airway regeneration. Because SMGs are abundant and present deep within airways, they may serve as a reserve cell source for enhancing human airway regeneration.
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Affiliation(s)
- Aleksandra Tata
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Yoshihiko Kobayashi
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Ryan D Chow
- Department of Genetics, Systems Biology Institute, Medical Scientist Training Program, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Jasmine Tran
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Avani Desai
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Abdull J Massri
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Timothy J McCord
- Department of Medicine, Division of Cardiology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Michael Dee Gunn
- Department of Medicine, Division of Cardiology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Purushothama Rao Tata
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA; Duke Cancer Institute, Duke University School of Medicine, Durham, NC 27710, USA; Regeneration Next, Duke University, Durham, NC 27710, USA.
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259
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Deng X, Apple S, Zhao H, Song J, Lee M, Luo W, Wu X, Chung D, Pietras RJ, Chang HR. CD24 Expression and differential resistance to chemotherapy in triple-negative breast cancer. Oncotarget 2018; 8:38294-38308. [PMID: 28418843 PMCID: PMC5503533 DOI: 10.18632/oncotarget.16203] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Accepted: 02/21/2017] [Indexed: 12/12/2022] Open
Abstract
Breast cancer (BC) is a leading cause of cancer-related death in women. Adjuvant systemic chemotherapies are effective in reducing risks of recurrence and have contributed to reduced BC mortality. Although targeted adjuvant treatments determined by biomarkers for endocrine and HER2-directed therapies are largely successful, predicting clinical benefit from chemotherapy is more challenging. Drug resistance is a major reason for treatment failures. Efforts are ongoing to find biomarkers to select patients most likely to benefit from chemotherapy. Importantly, cell surface biomarkers CD44+/CD24- are linked to drug resistance in some reports, yet underlying mechanisms are largely unknown. This study focused on the potential role of CD24 expression in resistance to either docetaxel or doxorubicin in part by the use of triple-negative BC (TNBC) tissue microarrays. In vitro assays were also done to assess changes in CD24 expression and differential drug susceptibility after chemotherapy. Further, mouse tumor xenograft studies were done to confirm in vitro findings. Overall, the results show that patients with CD24-positive TNBC had significantly worse overall survival and disease-free survival after taxane-based treatment. Also, in vitro cell studies show that CD44+/CD24+/high cells are more resistant to docetaxel, while CD44+/CD24-/low cells are resistant to doxorubicin. Both in vitro and in vivo studies show that cells with CD24-knockdown are more sensitive to docetaxel, while CD24-overexpressing cells are more sensitive to doxorubicin. Further, mechanistic studies indicate that Bcl-2 and TGF-βR1 signaling via ATM-NDRG2 pathways regulate CD24. Hence, CD24 may be a biomarker to select chemotherapeutics and a target to overcome TNBC drug resistance.
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Affiliation(s)
- Xinyu Deng
- Gonda, UCLA Breast Cancer Research Laboratory and Revlon, UCLA Breast Center, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA 90095-7028, USA
| | - Sophia Apple
- Pathology and Laboratory Medicine, University of California, Los Angeles, CA 90095-1732, USA
| | - Hong Zhao
- Gonda, UCLA Breast Cancer Research Laboratory and Revlon, UCLA Breast Center, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA 90095-7028, USA.,Department of Breast Surgery, First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, P. R. China
| | - Jeongyoon Song
- Gonda, UCLA Breast Cancer Research Laboratory and Revlon, UCLA Breast Center, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA 90095-7028, USA.,Department of Surgery, East-West Medical Center, Kyung Hee University College of Medicine, Seoul, 02447 South Korea
| | - Minna Lee
- Gonda, UCLA Breast Cancer Research Laboratory and Revlon, UCLA Breast Center, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA 90095-7028, USA
| | - William Luo
- Gonda, UCLA Breast Cancer Research Laboratory and Revlon, UCLA Breast Center, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA 90095-7028, USA
| | - Xiancheng Wu
- Gonda, UCLA Breast Cancer Research Laboratory and Revlon, UCLA Breast Center, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA 90095-7028, USA
| | - Debra Chung
- Gonda, UCLA Breast Cancer Research Laboratory and Revlon, UCLA Breast Center, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA 90095-7028, USA
| | - Richard J Pietras
- Department of Medicine, Division of Hematology-Oncology, David Geffen School of Medicine, University of California, Los Angeles, CA 90095-1678, USA
| | - Helena R Chang
- Gonda, UCLA Breast Cancer Research Laboratory and Revlon, UCLA Breast Center, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA 90095-7028, USA
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260
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Kaplani K, Koutsi S, Armenis V, Skondra FG, Karantzelis N, Champeris Tsaniras S, Taraviras S. Wound healing related agents: Ongoing research and perspectives. Adv Drug Deliv Rev 2018; 129:242-253. [PMID: 29501699 DOI: 10.1016/j.addr.2018.02.007] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2017] [Revised: 01/28/2018] [Accepted: 02/26/2018] [Indexed: 02/07/2023]
Abstract
Wound healing response plays a central part in chronic inflammation, affecting millions of people worldwide. It is a dynamic process that can lead to fibrosis, if tissue damage is irreversible and wound resolution is not attained. It is clear that there is a tight interconnection among wound healing, fibrosis and a variety of chronic disease conditions, demonstrating the heterogeneity of this pathology. Based on our further understanding of the cellular and molecular mechanisms underpinning tissue repair, new therapeutic approaches have recently been developed that target different aspects of the wound healing process and fibrosis. Nevertheless, several issues still need to be taken into consideration when designing modern wound healing drug delivery formulations. In this review, we highlight novel pharmacological agents that hold promise for targeting wound repair and fibrosis. We also focus on drug-delivery systems that may enhance current and future therapies.
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Affiliation(s)
- Konstantina Kaplani
- Division of Stem Cells and Regenerative Medicine, Biomedical Postgraduate Programme, School of Medicine, University of Patras, Patras 26504, Greece; Department of Physiology, School of Medicine, University of Patras, Patras 26504, Greece
| | - Stamatina Koutsi
- Division of Stem Cells and Regenerative Medicine, Biomedical Postgraduate Programme, School of Medicine, University of Patras, Patras 26504, Greece; Department of Physiology, School of Medicine, University of Patras, Patras 26504, Greece
| | - Vasileios Armenis
- Division of Stem Cells and Regenerative Medicine, Biomedical Postgraduate Programme, School of Medicine, University of Patras, Patras 26504, Greece
| | - Foteini G Skondra
- Division of Stem Cells and Regenerative Medicine, Biomedical Postgraduate Programme, School of Medicine, University of Patras, Patras 26504, Greece
| | - Nickolas Karantzelis
- Department of Physiology, School of Medicine, University of Patras, Patras 26504, Greece
| | | | - Stavros Taraviras
- Division of Stem Cells and Regenerative Medicine, Biomedical Postgraduate Programme, School of Medicine, University of Patras, Patras 26504, Greece; Department of Physiology, School of Medicine, University of Patras, Patras 26504, Greece.
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261
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Viader-Llargués O, Lupperger V, Pola-Morell L, Marr C, López-Schier H. Live cell-lineage tracing and machine learning reveal patterns of organ regeneration. eLife 2018; 7:30823. [PMID: 29595471 PMCID: PMC5903862 DOI: 10.7554/elife.30823] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Accepted: 03/28/2018] [Indexed: 12/28/2022] Open
Abstract
Despite the intrinsically stochastic nature of damage, sensory organs recapitulate normal architecture during repair to maintain function. Here we present a quantitative approach that combines live cell-lineage tracing and multifactorial classification by machine learning to reveal how cell identity and localization are coordinated during organ regeneration. We use the superficial neuromasts in larval zebrafish, which contain three cell classes organized in radial symmetry and a single planar-polarity axis. Visualization of cell-fate transitions at high temporal resolution shows that neuromasts regenerate isotropically to recover geometric order, proportions and polarity with exceptional accuracy. We identify mediolateral position within the growing tissue as the best predictor of cell-fate acquisition. We propose a self-regulatory mechanism that guides the regenerative process to identical outcome with minimal extrinsic information. The integrated approach that we have developed is simple and broadly applicable, and should help define predictive signatures of cellular behavior during the construction of complex tissues.
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Affiliation(s)
- Oriol Viader-Llargués
- Unit Sensory Biology & Organogenesis, Helmholtz Zentrum München, Neuherberg, Germany.,Laboratory of Sensory Cell Biology, Centre for Genomic Regulation, Barcelona, Spain
| | - Valerio Lupperger
- Institute of Computational Biology, Helmholtz Zentrum München, Neuherberg, Germany
| | - Laura Pola-Morell
- Unit Sensory Biology & Organogenesis, Helmholtz Zentrum München, Neuherberg, Germany.,Laboratory of Sensory Cell Biology, Centre for Genomic Regulation, Barcelona, Spain
| | - Carsten Marr
- Institute of Computational Biology, Helmholtz Zentrum München, Neuherberg, Germany
| | - Hernán López-Schier
- Unit Sensory Biology & Organogenesis, Helmholtz Zentrum München, Neuherberg, Germany.,Laboratory of Sensory Cell Biology, Centre for Genomic Regulation, Barcelona, Spain
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262
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Flanagan DJ, Austin CR, Vincan E, Phesse TJ. Wnt Signalling in Gastrointestinal Epithelial Stem Cells. Genes (Basel) 2018; 9:genes9040178. [PMID: 29570681 PMCID: PMC5924520 DOI: 10.3390/genes9040178] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 03/16/2018] [Accepted: 03/19/2018] [Indexed: 02/06/2023] Open
Abstract
Wnt signalling regulates several cellular functions including proliferation, differentiation, apoptosis and migration, and is critical for embryonic development. Stem cells are defined by their ability for self-renewal and the ability to be able to give rise to differentiated progeny. Consequently, they are essential for the homeostasis of many organs including the gastrointestinal tract. This review will describe the huge advances in our understanding of how stem cell functions in the gastrointestinal tract are regulated by Wnt signalling, including how deregulated Wnt signalling can hijack these functions to transform cells and lead to cancer.
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Affiliation(s)
- Dustin J Flanagan
- Molecular Oncology Laboratory, Victorian Infectious Diseases Reference Laboratory and the Doherty Institute, University of Melbourne, Melbourne, VIC 3000, Australia.
| | - Chloe R Austin
- Cancer and Cell Signalling Laboratory, European Cancer Stem Cell Research Institute, School of Biosciences, Cardiff University, Cardiff CF24 4HQ, Wales, UK.
| | - Elizabeth Vincan
- Molecular Oncology Laboratory, Victorian Infectious Diseases Reference Laboratory and the Doherty Institute, University of Melbourne, Melbourne, VIC 3000, Australia.
- School of Pharmacy and Biomedical Sciences, Curtin University, Perth, WA 6102, Australia.
| | - Toby J Phesse
- Cancer and Cell Signalling Laboratory, European Cancer Stem Cell Research Institute, School of Biosciences, Cardiff University, Cardiff CF24 4HQ, Wales, UK.
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263
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Hernández-Monjaraz B, Santiago-Osorio E, Monroy-García A, Ledesma-Martínez E, Mendoza-Núñez VM. Mesenchymal Stem Cells of Dental Origin for Inducing Tissue Regeneration in Periodontitis: A Mini-Review. Int J Mol Sci 2018; 19:E944. [PMID: 29565801 PMCID: PMC5979585 DOI: 10.3390/ijms19040944] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Revised: 03/02/2018] [Accepted: 03/15/2018] [Indexed: 12/16/2022] Open
Abstract
Periodontitis is a chronic disease that begins with a period of inflammation of the supporting tissues of the teeth table and then progresses, destroying the tissues until loss of the teeth occurs. The restoration of the damaged dental support apparatus is an extremely complex process due to the regeneration of the cementum, the periodontal ligament, and the alveolar bone. Conventional treatment relies on synthetic materials that fill defects and replace lost dental tissue, but these approaches are not substitutes for a real regeneration of tissue. To address this, there are several approaches to tissue engineering for regenerative dentistry, among them, the use of stem cells. Mesenchymal stem cells (MSC) can be obtained from various sources of adult tissues, such as bone marrow, adipose tissue, skin, and tissues of the orofacial area. MSC of dental origin, such as those found in the bone marrow, have immunosuppressive and immunotolerant properties, multipotency, high proliferation rates, and the capacity for tissue repair. However, they are poorly used as sources of tissue for therapeutic purposes. Their accessibility makes them an attractive source of mesenchymal stem cells, so this review describes the field of dental stem cell research and proposes a potential mechanism involved in periodontal tissue regeneration induced by dental MSC.
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Affiliation(s)
- Beatriz Hernández-Monjaraz
- Research Unit on Gerontology, FES Zaragoza, National Autonomous University of Mexico, 09230 Mexico City, Mexico.
| | - Edelmiro Santiago-Osorio
- Haematopoiesis and Leukaemia Laboratory, Research Unit on Cell Differentiation and Cancer, FES Zaragoza, National Autonomous University of Mexico, 09230 Mexico City, Mexico.
| | - Alberto Monroy-García
- Immunology and Cancer Laboratory, Oncology Research Unit, Oncology Hospital, National Medical Center, IMSS, 09230 Mexico City, Mexico.
| | - Edgar Ledesma-Martínez
- Haematopoiesis and Leukaemia Laboratory, Research Unit on Cell Differentiation and Cancer, FES Zaragoza, National Autonomous University of Mexico, 09230 Mexico City, Mexico.
| | - Víctor Manuel Mendoza-Núñez
- Research Unit on Gerontology, FES Zaragoza, National Autonomous University of Mexico, 09230 Mexico City, Mexico.
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264
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Factors Affecting the Occurrence of Complications in the Early Stages After Dental Implant Placement: A Retrospective Cohort Study. IMPLANT DENT 2018; 27:221-225. [PMID: 29557798 DOI: 10.1097/id.0000000000000753] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVE To evaluate the background factors related to the occurrence of complications in the early stages after dental implant placement. MATERIALS AND METHODS A total of 289 outpatients who received dental implants were retrospectively evaluated for the presence or absence of complications. Background factors, including age, sex, implant width, implant length, implant site, number of implants placed, Periotest values at the time of implant placement, presence/absence of systemic disease (particularly diabetes), and the use of anticoagulation therapy, were compared between patients with and without complications. Logistic regression analysis was performed to identify significant risk factors for the occurrence of complications after dental implant placement. RESULTS Complications in the early stages after dental implant placement occurred in 25 (8.65%) patients. The patients with complications were older than those without complications (P = 0.003). In addition, the incidence of complications was significantly higher in patients with systemic diseases (P = 0.004) and in those receiving anticoagulation therapy (P = 0.005). Logistic regression analysis revealed that age was a significant risk factor (P = 0.025) for early-stage complications, whereas the number of implants, presence of diabetes, and the use of anticoagulation therapy were not significant risk factors. CONCLUSIONS Our results show that age is a significant factor influencing the occurrence of complications in the early stages after dental implant placement. Therefore, clinicians should consider this factor when developing their treatment strategies.
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265
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Naik S. The healing power of painful memories. Science 2018; 359:1113. [PMID: 29590037 DOI: 10.1126/science.aat0963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Affiliation(s)
- Shruti Naik
- Laboratory of Mammalian Cell Biology and Development, The Rockefeller University, New York, NY 10065, USA.
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266
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Le Magnen C, Shen MM, Abate-Shen C. Lineage Plasticity in Cancer Progression and Treatment. ANNUAL REVIEW OF CANCER BIOLOGY 2018; 2:271-289. [PMID: 29756093 PMCID: PMC5942183 DOI: 10.1146/annurev-cancerbio-030617-050224] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Historically, it has been widely presumed that differentiated cells are determined during development and become irreversibly committed to their designated fates. In certain circumstances, however, differentiated cells can display plasticity by changing their identity, either by dedifferentiation to a progenitor-like state or by transdifferentiation to an alternative differentiated cell type. Such cellular plasticity can be triggered by physiological or oncogenic stress, or it can be experimentally induced through cellular reprogramming. Notably, physiological stresses that promote plasticity, such as severe tissue damage, inflammation, or senescence, also represent hallmarks of cancer. Furthermore, key drivers of cellular plasticity include major oncogenic and tumor suppressor pathways and can be exacerbated by drug treatment. Thus, plasticity may help cancer cells evade detection and treatment. We propose that cancer can be considered as a disease of excess plasticity, a notion that has important implications for intervention and treatment.
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Affiliation(s)
- Clémentine Le Magnen
- Department of Urology and Medicine, Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, NY 10032, USA
| | - Michael M Shen
- Department of Urology and Medicine, Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, NY 10032, USA
- Department of Systems Biology, Columbia University Medical Center, New York, NY 10032, USA
- Department of Genetics and Development, Columbia University Medical Center, New York, NY 10032, USA
| | - Cory Abate-Shen
- Department of Urology and Medicine, Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, NY 10032, USA
- Department of Systems Biology, Columbia University Medical Center, New York, NY 10032, USA
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, NY 10032, USA
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267
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Soteriou D, Fuchs Y. A matter of life and death: stem cell survival in tissue regeneration and tumour formation. Nat Rev Cancer 2018; 18:187-201. [PMID: 29348578 DOI: 10.1038/nrc.2017.122] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In recent years, great strides have been made in our understanding of how stem cells (SCs) govern tissue homeostasis and regeneration. The inherent longevity of SCs raises the possibility that the unique protective mechanisms in these cells might also be involved in tumorigenesis. In this Opinion article, we discuss how SCs are protected throughout their lifespan, focusing on quiescent behaviour, DNA damage response and programmed cell death. We briefly examine the roles of adult SCs and progenitors in tissue repair and tumorigenesis and explore how signals released from dying or dormant cells influence the function of healthy or aberrant SCs. Important insight into the mechanisms that regulate SC death and survival, as well as the 'legacy' imparted by departing cells, may unlock novel avenues for regenerative medicine and cancer therapy.
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Affiliation(s)
- Despina Soteriou
- Laboratory of Stem Cell Biology and Regenerative Medicine, Department of Biology, Technion Israel Institute of Technology; the Lorry Lokey Interdisciplinary Center for Life Sciences & Engineering, Technion Israel Institute of Technology; and the Technion Integrated Cancer Center, Technion Israel Institute of Technology, Haifa 3200, Israel
| | - Yaron Fuchs
- Laboratory of Stem Cell Biology and Regenerative Medicine, Department of Biology, Technion Israel Institute of Technology; the Lorry Lokey Interdisciplinary Center for Life Sciences & Engineering, Technion Israel Institute of Technology; and the Technion Integrated Cancer Center, Technion Israel Institute of Technology, Haifa 3200, Israel
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268
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López-Lázaro M. The stem cell division theory of cancer. Crit Rev Oncol Hematol 2018; 123:95-113. [DOI: 10.1016/j.critrevonc.2018.01.010] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2017] [Revised: 11/13/2017] [Accepted: 01/17/2018] [Indexed: 02/07/2023] Open
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269
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Lin-Shiao E, Lan Y, Coradin M, Anderson A, Donahue G, Simpson CL, Sen P, Saffie R, Busino L, Garcia BA, Berger SL, Capell BC. KMT2D regulates p63 target enhancers to coordinate epithelial homeostasis. Genes Dev 2018; 32:181-193. [PMID: 29440247 PMCID: PMC5830930 DOI: 10.1101/gad.306241.117] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 01/12/2018] [Indexed: 12/25/2022]
Abstract
In this study, Lin-Shiao et al. identify a novel role for KMT2D, an epigenetic regulator, in coordinating self-renewal, proliferation, and differentiation, as depletion of KMT2D from undifferentiated epidermal keratinocytes results in reduced proliferation, premature spurious activation of terminal differentiation genes, and disorganized epidermal stratification. Their results reveal a critical role for KMT2D in the control of epithelial enhancers and p63 target gene expression, including the requirement of KMT2D for the maintenance of epithelial progenitor gene expression and the coordination of proper terminal differentiation. Epithelial tissues rely on a highly coordinated balance between self-renewal, proliferation, and differentiation, disruption of which may drive carcinogenesis. The epigenetic regulator KMT2D (MLL4) is one of the most frequently mutated genes in all cancers, particularly epithelial cancers, yet its normal function in these tissues is unknown. Here, we identify a novel role for KMT2D in coordinating this fine balance, as depletion of KMT2D from undifferentiated epidermal keratinocytes results in reduced proliferation, premature spurious activation of terminal differentiation genes, and disorganized epidermal stratification. Genome-wide, KMT2D interacts with p63 and is enriched at its target enhancers. Depletion of KMT2D results in a broad loss of enhancer histone modifications H3 Lys 4 (H3K4) monomethylation (H3K4me1) and H3K27 acetylation (H3K27ac) as well as reduced expression of p63 target genes, including key genes involved in epithelial development and adhesion. Together, these results reveal a critical role for KMT2D in the control of epithelial enhancers and p63 target gene expression, including the requirement of KMT2D for the maintenance of epithelial progenitor gene expression and the coordination of proper terminal differentiation.
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Affiliation(s)
- Enrique Lin-Shiao
- Penn Epigenetics Institute, Department of Cell and Developmental Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA.,Department of Biochemistry and Molecular Biophysics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA
| | - Yemin Lan
- Penn Epigenetics Institute, Department of Cell and Developmental Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA
| | - Mariel Coradin
- Penn Epigenetics Institute, Department of Cell and Developmental Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA
| | - Amy Anderson
- Department of Dermatology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA
| | - Greg Donahue
- Penn Epigenetics Institute, Department of Cell and Developmental Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA
| | - Cory L Simpson
- Department of Dermatology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA
| | - Payel Sen
- Penn Epigenetics Institute, Department of Cell and Developmental Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA
| | - Rizwan Saffie
- Department of Cancer Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA
| | - Luca Busino
- Department of Cancer Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA
| | - Benjamin A Garcia
- Penn Epigenetics Institute, Department of Cell and Developmental Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA
| | - Shelley L Berger
- Penn Epigenetics Institute, Department of Cell and Developmental Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA.,Department of Biology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.,Department of Genetics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA
| | - Brian C Capell
- Penn Epigenetics Institute, Department of Cell and Developmental Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA.,Department of Dermatology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104, USA
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270
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The epigenetic basis of cellular plasticity. Curr Opin Cell Biol 2018; 49:116-122. [PMID: 29413970 DOI: 10.1016/j.ceb.2018.01.003] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 12/19/2017] [Accepted: 01/08/2018] [Indexed: 12/23/2022]
Abstract
Cellular plasticity is now recognized as a fundamental feature of tissue biology. The steady-state differentiation of stem and progenitor cells into mature cells is, in itself, the index form of cellular plasticity in adult organisms. Following injury, when it is critical to quickly regenerate and restore tissue integrity and function, other types of cellular plasticity may be crucial for organismal survival. In these contexts, alterations in the epigenetic landscape of tissues are likely to occur in order to allow normally restricted cell fate transitions. Epigenetic mechanisms, particularly DNA methylation and histone modifications, have been shown to play an important role in regulating such plasticity. Relevant mechanisms have been well studied in the context of the direct reprograming of somatic cells into induced pluripotent stem cells. Indeed, epigenetic regulation of cell fate is part and parcel of normal embryonic development and is a central regulator of cellular diversity. This is normally thought to involve the establishment of divergent chromatin patterns that culminate in cells with distinct and what were previously thought to be irreversible fates. This brief review aims to put some of these new observations in the larger context of regeneration after injury.
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271
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Thomson TM, Fernández PL. Epithelial plasticity in cancer: beyond metastasis. Aging (Albany NY) 2018; 10:3-4. [PMID: 29356684 PMCID: PMC5811250 DOI: 10.18632/aging.101367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 01/20/2018] [Indexed: 11/29/2022]
Affiliation(s)
- Timothy M Thomson
- Institute for Molecular Biology of Barcelona, National Research Council, Barcelona, Spain.,Networked Biomedical Research Center for Hepatic and Digestive Diseases (CIBER-EHD), Madrid, Spain
| | - Pedro L Fernández
- Department of Pathology, Hospital Clínic de Barcelona, August Pi i Sunyer Biomedical Research Institute (IDIBAPS) and Universitat de Barcelona, Barcelona, Spain
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272
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Adam RC, Yang H, Ge Y, Lien WH, Wang P, Zhao Y, Polak L, Levorse J, Baksh SC, Zheng D, Fuchs E. Temporal Layering of Signaling Effectors Drives Chromatin Remodeling during Hair Follicle Stem Cell Lineage Progression. Cell Stem Cell 2018; 22:398-413.e7. [PMID: 29337183 DOI: 10.1016/j.stem.2017.12.004] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Revised: 11/11/2017] [Accepted: 12/08/2017] [Indexed: 11/29/2022]
Abstract
Tissue regeneration relies on resident stem cells (SCs), whose activity and lineage choices are influenced by the microenvironment. Exploiting the synchronized, cyclical bouts of tissue regeneration in hair follicles (HFs), we investigate how microenvironment dynamics shape the emergence of stem cell lineages. Employing epigenetic and ChIP-seq profiling, we uncover how signal-dependent transcription factors couple spatiotemporal cues to chromatin dynamics, thereby choreographing stem cell lineages. Using enhancer-driven reporters, mutagenesis, and genetics, we show that simultaneous BMP-inhibitory and WNT signals set the stage for lineage choices by establishing chromatin platforms permissive for diversification. Mechanistically, when binding of BMP effector pSMAD1 is relieved, enhancers driving HF-stem cell master regulators are silenced. Concomitantly, multipotent, lineage-fated enhancers silent in HF-stem cells become activated by exchanging WNT effectors TCF3/4 for LEF1. Throughout regeneration, lineage enhancers continue reliance upon LEF1 but then achieve specificity by accommodating additional incoming signaling effectors. Barriers to progenitor plasticity increase when diverse, signal-sensitive transcription factors shape LEF1-regulated enhancer dynamics.
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Affiliation(s)
- Rene C Adam
- Robin Neustein Laboratory of Mammalian Development and Cell Biology, Howard Hughes Medical Institute, The Rockefeller University, New York, NY 10065, USA
| | - Hanseul Yang
- Robin Neustein Laboratory of Mammalian Development and Cell Biology, Howard Hughes Medical Institute, The Rockefeller University, New York, NY 10065, USA
| | - Yejing Ge
- Robin Neustein Laboratory of Mammalian Development and Cell Biology, Howard Hughes Medical Institute, The Rockefeller University, New York, NY 10065, USA
| | - Wen-Hui Lien
- Robin Neustein Laboratory of Mammalian Development and Cell Biology, Howard Hughes Medical Institute, The Rockefeller University, New York, NY 10065, USA
| | - Ping Wang
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Yilin Zhao
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Lisa Polak
- Robin Neustein Laboratory of Mammalian Development and Cell Biology, Howard Hughes Medical Institute, The Rockefeller University, New York, NY 10065, USA
| | - John Levorse
- Robin Neustein Laboratory of Mammalian Development and Cell Biology, Howard Hughes Medical Institute, The Rockefeller University, New York, NY 10065, USA
| | - Sanjeethan C Baksh
- Robin Neustein Laboratory of Mammalian Development and Cell Biology, Howard Hughes Medical Institute, The Rockefeller University, New York, NY 10065, USA
| | - Deyou Zheng
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Departments of Neurology and Neuroscience, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Elaine Fuchs
- Robin Neustein Laboratory of Mammalian Development and Cell Biology, Howard Hughes Medical Institute, The Rockefeller University, New York, NY 10065, USA.
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273
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Sanz-Navarro M, Seidel K, Sun Z, Bertonnier-Brouty L, Amendt BA, Klein OD, Michon F. Plasticity within the niche ensures the maintenance of a Sox2+ stem cell population in the mouse incisor. Development 2018; 145:dev.155929. [PMID: 29180573 DOI: 10.1242/dev.155929] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2017] [Accepted: 11/15/2017] [Indexed: 12/16/2022]
Abstract
In mice, the incisors grow throughout the animal's life, and this continuous renewal is driven by dental epithelial and mesenchymal stem cells. Sox2 is a principal marker of the epithelial stem cells that reside in the mouse incisor stem cell niche, called the labial cervical loop, but relatively little is known about the role of the Sox2+ stem cell population. In this study, we show that conditional deletion of Sox2 in the embryonic incisor epithelium leads to growth defects and impairment of ameloblast lineage commitment. Deletion of Sox2 specifically in Sox2+ cells during incisor renewal revealed cellular plasticity that leads to the relatively rapid restoration of a Sox2-expressing cell population. Furthermore, we show that Lgr5-expressing cells are a subpopulation of dental Sox2+ cells that also arise from Sox2+ cells during tooth formation. Finally, we show that the embryonic and adult Sox2+ populations are regulated by distinct signalling pathways, which is reflected in their distinct transcriptomic signatures. Together, our findings demonstrate that a Sox2+ stem cell population can be regenerated from Sox2- cells, reinforcing its importance for incisor homeostasis.
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Affiliation(s)
- Maria Sanz-Navarro
- Helsinki Institute of Life Sciences, Institute of Biotechnology, University of Helsinki, 00014 Helsinki, Finland.,Orthodontics, Department of Oral and Maxillofacial Diseases, University of Helsinki, 00290 Helsinki, Finland
| | - Kerstin Seidel
- Department of Orofacial Sciences and Program in Craniofacial Biology, UCSF, San Francisco, CA 94143, USA
| | - Zhao Sun
- Department of Anatomy and Cell Biology, and the Craniofacial Anomalies Research Center, The University of Iowa, Iowa City, IA 52242, USA
| | - Ludivine Bertonnier-Brouty
- Helsinki Institute of Life Sciences, Institute of Biotechnology, University of Helsinki, 00014 Helsinki, Finland.,Département de Biologie, École Normale Supérieure de Lyon, Université de Lyon, 69007 Lyon, France
| | - Brad A Amendt
- Department of Anatomy and Cell Biology, and the Craniofacial Anomalies Research Center, The University of Iowa, Iowa City, IA 52242, USA.,College of Dentistry, The University of Iowa, Iowa City, IA 52242, USA
| | - Ophir D Klein
- Department of Orofacial Sciences and Program in Craniofacial Biology, UCSF, San Francisco, CA 94143, USA.,Department of Pediatrics and Institute for Human Genetics, University of California San Francisco, San Francisco, CA 94143, USA
| | - Frederic Michon
- Helsinki Institute of Life Sciences, Institute of Biotechnology, University of Helsinki, 00014 Helsinki, Finland .,Keele Medical School and Institute for Science and Technology in Medicine, Keele University, Keele ST5 5BG, UK
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274
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Kahata K, Dadras MS, Moustakas A. TGF-β Family Signaling in Epithelial Differentiation and Epithelial-Mesenchymal Transition. Cold Spring Harb Perspect Biol 2018; 10:cshperspect.a022194. [PMID: 28246184 DOI: 10.1101/cshperspect.a022194] [Citation(s) in RCA: 89] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Epithelia exist in the animal body since the onset of embryonic development; they generate tissue barriers and specify organs and glands. Through epithelial-mesenchymal transitions (EMTs), epithelia generate mesenchymal cells that form new tissues and promote healing or disease manifestation when epithelial homeostasis is challenged physiologically or pathologically. Transforming growth factor-βs (TGF-βs), activins, bone morphogenetic proteins (BMPs), and growth and differentiation factors (GDFs) have been implicated in the regulation of epithelial differentiation. These TGF-β family ligands are expressed and secreted at sites where the epithelium interacts with the mesenchyme and provide paracrine queues from the mesenchyme to the neighboring epithelium, helping the specification of differentiated epithelial cell types within an organ. TGF-β ligands signal via Smads and cooperating kinase pathways and control the expression or activities of key transcription factors that promote either epithelial differentiation or mesenchymal transitions. In this review, we discuss evidence that illustrates how TGF-β family ligands contribute to epithelial differentiation and induce mesenchymal transitions, by focusing on the embryonic ectoderm and tissues that form the external mammalian body lining.
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Affiliation(s)
- Kaoru Kahata
- Ludwig Institute for Cancer Research, Science for Life Laboratory, Uppsala University, SE-751 24 Uppsala, Sweden
| | - Mahsa Shahidi Dadras
- Ludwig Institute for Cancer Research, Science for Life Laboratory, Uppsala University, SE-751 24 Uppsala, Sweden.,Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Uppsala University, SE-751 23 Uppsala, Sweden
| | - Aristidis Moustakas
- Ludwig Institute for Cancer Research, Science for Life Laboratory, Uppsala University, SE-751 24 Uppsala, Sweden.,Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Uppsala University, SE-751 23 Uppsala, Sweden
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275
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Nasser W, Amitai-Lange A, Soteriou D, Hanna R, Tiosano B, Fuchs Y, Shalom-Feuerstein R. Corneal-Committed Cells Restore the Stem Cell Pool and Tissue Boundary following Injury. Cell Rep 2018; 22:323-331. [DOI: 10.1016/j.celrep.2017.12.040] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Revised: 11/29/2017] [Accepted: 12/11/2017] [Indexed: 12/17/2022] Open
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276
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Kahn M. Wnt Signaling in Stem Cells and Cancer Stem Cells: A Tale of Two Coactivators. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2018; 153:209-244. [PMID: 29389517 DOI: 10.1016/bs.pmbts.2017.11.007] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Wnt signaling in stem cells plays critical roles in development, normal adult physiology, and disease. In this chapter, we focus on the role of the Wnt signaling pathway in somatic stem cell biology and its critical role in normal tissue homeostasis and cancer. Wnt signaling can both maintain potency and initiate differentiation in somatic stem cells, depending on the cellular and environmental context. Based principally on studies from our lab, we will explain the dichotomous behavior of this signaling pathway in determining stem cell fate decisions, placing special emphasis on the interaction of β-catenin with either of the two highly homologous Kat3 coactivator proteins, CBP and p300. We will also discuss our results, both preclinical and clinical, demonstrating that small molecule modulators of the β-catenin/Kat3 coactivator interaction can be safely utilized to shift the balance between maintenance of potency and initiation of differentiation.
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Affiliation(s)
- Michael Kahn
- Beckman Research Institute of the City of Hope, Duarte, CA, United States.
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277
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Watt SM, Pleat JM. Stem cells, niches and scaffolds: Applications to burns and wound care. Adv Drug Deliv Rev 2018; 123:82-106. [PMID: 29106911 DOI: 10.1016/j.addr.2017.10.012] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2017] [Revised: 10/19/2017] [Accepted: 10/22/2017] [Indexed: 12/11/2022]
Abstract
The importance of skin to survival, and the devastating physical and psychological consequences of scarring following reparative healing of extensive or difficult to heal human wounds, cannot be disputed. We discuss the significant challenges faced by patients and healthcare providers alike in treating these wounds. New state of the art technologies have provided remarkable insights into the role of skin stem and progenitor cells and their niches in maintaining skin homeostasis and in reparative wound healing. Based on this knowledge, we examine different approaches to repair extensive burn injury and chronic wounds, including full and split thickness skin grafts, temporising matrices and scaffolds, and composite cultured skin products. Notable developments include next generation skin substitutes to replace split thickness skin autografts and next generation gene editing coupled with cell therapies to treat genodermatoses. Further refinements are predicted with the advent of bioprinting technologies, and newly defined biomaterials and autologous cell sources that can be engineered to more accurately replicate human skin architecture, function and cosmesis. These advances will undoubtedly improve quality of life for patients with extensive burns and difficult to heal wounds.
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Affiliation(s)
- Suzanne M Watt
- Stem Cell Research, Nuffield Division of Clinical Laboratory Medicine, Radcliffe Department of Medicine, University of Oxford, John Radcliffe Hospital, Oxford OX3 9BQ, UK.
| | - Jonathan M Pleat
- Department of Plastic and Reconstructive Surgery, North Bristol NHS Trust and University of Bristol, Westbury on Trym, Bristol BS9 3TZ, UK.
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278
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Rahmati M, Pennisi CP, Mobasheri A, Mozafari M. Bioengineered Scaffolds for Stem Cell Applications in Tissue Engineering and Regenerative Medicine. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1107:73-89. [DOI: 10.1007/5584_2018_215] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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279
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Affiliation(s)
- Rui Chen
- Department of Pharmacology and Moores Cancer Center, University of California, San Diego, La Jolla, CA, USA
| | - Kun-Liang Guan
- Department of Pharmacology and Moores Cancer Center, University of California, San Diego, La Jolla, CA, USA
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280
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Yui S, Azzolin L, Maimets M, Pedersen MT, Fordham RP, Hansen SL, Larsen HL, Guiu J, Alves MRP, Rundsten CF, Johansen JV, Li Y, Madsen CD, Nakamura T, Watanabe M, Nielsen OH, Schweiger PJ, Piccolo S, Jensen KB. YAP/TAZ-Dependent Reprogramming of Colonic Epithelium Links ECM Remodeling to Tissue Regeneration. Cell Stem Cell 2017; 22:35-49.e7. [PMID: 29249464 PMCID: PMC5766831 DOI: 10.1016/j.stem.2017.11.001] [Citation(s) in RCA: 403] [Impact Index Per Article: 57.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Revised: 09/25/2017] [Accepted: 10/31/2017] [Indexed: 12/23/2022]
Abstract
Tissue regeneration requires dynamic cellular adaptation to the wound environment. It is currently unclear how this is orchestrated at the cellular level and how cell fate is affected by severe tissue damage. Here we dissect cell fate transitions during colonic regeneration in a mouse dextran sulfate sodium (DSS) colitis model, and we demonstrate that the epithelium is transiently reprogrammed into a primitive state. This is characterized by de novo expression of fetal markers as well as suppression of markers for adult stem and differentiated cells. The fate change is orchestrated by remodeling the extracellular matrix (ECM), increased FAK/Src signaling, and ultimately YAP/TAZ activation. In a defined cell culture system recapitulating the extracellular matrix remodeling observed in vivo, we show that a collagen 3D matrix supplemented with Wnt ligands is sufficient to sustain endogenous YAP/TAZ and induce conversion of cell fate. This provides a simple model for tissue regeneration, implicating cellular reprogramming as an essential element. The repairing epithelium can be isolated based on Sca1 expression Markers upregulated during tissue repair are expressed in the fetal intestine Mechano-transduction via FAK, Src, and YAP/TAZ facilitate efficient tissue repair YAP/TAZ activation is required and sufficient to induce cellular reprogramming
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Affiliation(s)
- Shiro Yui
- BRIC - Biotech Research and Innovation Centre, University of Copenhagen, Ole Maaloes Vej 5, 2200 Copenhagen N, Denmark
| | - Luca Azzolin
- Department of Molecular Medicine, University of Padua School of Medicine, viale Colombo 3, 35126 Padua, Italy
| | - Martti Maimets
- BRIC - Biotech Research and Innovation Centre, University of Copenhagen, Ole Maaloes Vej 5, 2200 Copenhagen N, Denmark
| | - Marianne Terndrup Pedersen
- BRIC - Biotech Research and Innovation Centre, University of Copenhagen, Ole Maaloes Vej 5, 2200 Copenhagen N, Denmark
| | - Robert P Fordham
- Wellcome - MRC Cambridge Stem Cell Institute, University of Cambridge, Tennis Court Road, Cambridge CB2 1QR, UK
| | - Stine L Hansen
- BRIC - Biotech Research and Innovation Centre, University of Copenhagen, Ole Maaloes Vej 5, 2200 Copenhagen N, Denmark
| | - Hjalte L Larsen
- BRIC - Biotech Research and Innovation Centre, University of Copenhagen, Ole Maaloes Vej 5, 2200 Copenhagen N, Denmark
| | - Jordi Guiu
- BRIC - Biotech Research and Innovation Centre, University of Copenhagen, Ole Maaloes Vej 5, 2200 Copenhagen N, Denmark
| | - Mariana R P Alves
- BRIC - Biotech Research and Innovation Centre, University of Copenhagen, Ole Maaloes Vej 5, 2200 Copenhagen N, Denmark
| | - Carsten F Rundsten
- BRIC - Biotech Research and Innovation Centre, University of Copenhagen, Ole Maaloes Vej 5, 2200 Copenhagen N, Denmark
| | - Jens V Johansen
- BRIC - Biotech Research and Innovation Centre, University of Copenhagen, Ole Maaloes Vej 5, 2200 Copenhagen N, Denmark
| | - Yuan Li
- Department of Gastroenterology, Medical Section, Herlev Hospital, University of Copenhagen, 2730 Herlev, Denmark
| | - Chris D Madsen
- Department of Laboratory Medicine, Division of Translational Cancer Research, Lund University, 223 81 Lund, Sweden
| | - Tetsuya Nakamura
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University (TMDU), Bunkyo-ku, Tokyo 113-8519, Japan
| | - Mamoru Watanabe
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University (TMDU), Bunkyo-ku, Tokyo 113-8519, Japan
| | - Ole H Nielsen
- Department of Gastroenterology, Medical Section, Herlev Hospital, University of Copenhagen, 2730 Herlev, Denmark
| | - Pawel J Schweiger
- BRIC - Biotech Research and Innovation Centre, University of Copenhagen, Ole Maaloes Vej 5, 2200 Copenhagen N, Denmark
| | - Stefano Piccolo
- Department of Molecular Medicine, University of Padua School of Medicine, viale Colombo 3, 35126 Padua, Italy.
| | - Kim B Jensen
- BRIC - Biotech Research and Innovation Centre, University of Copenhagen, Ole Maaloes Vej 5, 2200 Copenhagen N, Denmark; Novo Nordisk Foundation Center for Stem Cell Research, Faculty of Health Sciences, University of Copenhagen, 2200 Copenhagen N, Denmark.
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281
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Jin X, Jin X, Kim LJY, Dixit D, Jeon HY, Kim EJ, Kim JK, Lee SY, Yin J, Rich JN, Kim H. Inhibition of ID1-BMPR2 Intrinsic Signaling Sensitizes Glioma Stem Cells to Differentiation Therapy. Clin Cancer Res 2017; 24:383-394. [PMID: 29208670 DOI: 10.1158/1078-0432.ccr-17-1529] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Revised: 09/27/2017] [Accepted: 10/27/2017] [Indexed: 11/16/2022]
Abstract
Purpose: Normal stem cells tightly control self-renewal and differentiation during development, but their neoplastic counterparts, cancer stem cells (CSCs), sustain tumorigenicity both through aberrant activation of stemness and evasion of differentiation. Although regulation of CSC stemness has been extensively studied, the molecular mechanisms suppressing differentiation remain unclear.Experimental Design: We performed in silico screening and in vitro validation studies through Western blotting, qRT-PCR for treatment of WNT and SHH signaling inhibitors, and BMP signaling inducer with control and ID1-overexpressing cells. We also performed in vivo drug treatment assays with Balb/c nude mice.Results: Inhibitor of differentiation 1 (ID1) abrogated differentiation signals from bone morphogenetic protein receptor (BMPR) signaling in glioblastoma stem cells (GSCs) to promote self-renewal. ID1 inhibited BMPR2 expression through miRNAs, miR-17 and miR-20a, which are transcriptional targets of MYC. ID1 increases MYC expression by activating WNT and SHH signaling. Combined pharmacologic blockade of WNT and SHH signaling with BMP treatment significantly suppressed GSC self-renewal and extended survival of tumor-bearing mice.Conclusions: Collectively, our results suggested that ID1 simultaneously regulates stemness through WNT and SHH signaling and differentiation through BMPR-mediated differentiation signaling in GSCs, informing a novel therapeutic strategy of combinatorial targeting of stemness and differentiation. Clin Cancer Res; 24(2); 383-94. ©2017 AACR.
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Affiliation(s)
- Xiong Jin
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea.,Institute of Animal Molecular Biotechnology, Korea University, Seoul, Republic of Korea
| | - Xun Jin
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio. .,Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.,Institute of Translational Medicine, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Leo J Y Kim
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio
| | - Deobrat Dixit
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio
| | - Hee-Young Jeon
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea.,Institute of Animal Molecular Biotechnology, Korea University, Seoul, Republic of Korea
| | - Eun-Jung Kim
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea.,Institute of Animal Molecular Biotechnology, Korea University, Seoul, Republic of Korea
| | - Jun-Kyum Kim
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea.,Institute of Animal Molecular Biotechnology, Korea University, Seoul, Republic of Korea
| | - Seon Yong Lee
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea
| | - Jinlong Yin
- Specific Organ Cancer Division, Research Institute and hospital, National Cancer Center, Goyang, Republic of Korea
| | - Jeremy N Rich
- Department of Stem Cell Biology and Regenerative Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio
| | - Hyunggee Kim
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea. .,Institute of Animal Molecular Biotechnology, Korea University, Seoul, Republic of Korea
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282
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Goichberg P. Current Understanding of the Pathways Involved in Adult Stem and Progenitor Cell Migration for Tissue Homeostasis and Repair. Stem Cell Rev Rep 2017; 12:421-37. [PMID: 27209167 DOI: 10.1007/s12015-016-9663-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
With the advancements in the field of adult stem and progenitor cells grows the recognition that the motility of primitive cells is a pivotal aspect of their functionality. There is accumulating evidence that the recruitment of tissue-resident and circulating cells is critical for organ homeostasis and effective injury responses, whereas the pathobiology of degenerative diseases, neoplasm and aging, might be rooted in the altered ability of immature cells to migrate. Furthermore, understanding the biological machinery determining the translocation patterns of tissue progenitors is of great relevance for the emerging methodologies for cell-based therapies and regenerative medicine. The present article provides an overview of studies addressing the physiological significance and diverse modes of stem and progenitor cell trafficking in adult mammalian organs, discusses the major microenvironmental cues regulating cell migration, and describes the implementation of live imaging approaches for the exploration of stem cell movement in tissues and the factors dictating the motility of endogenous and transplanted cells with regenerative potential.
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Affiliation(s)
- Polina Goichberg
- Department Anesthesiology, Perioperative and Pain Medicine, Harvard Medical School, Brigham and Women's Hospital, 75 Francis Street, Boston, MA, 02115, USA.
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283
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Fu DJ, Miller AD, Southard TL, Flesken-Nikitin A, Ellenson LH, Nikitin AY. Stem Cell Pathology. ANNUAL REVIEW OF PATHOLOGY-MECHANISMS OF DISEASE 2017; 13:71-92. [PMID: 29059010 DOI: 10.1146/annurev-pathol-020117-043935] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Rapid advances in stem cell biology and regenerative medicine have opened new opportunities for better understanding disease pathogenesis and the development of new diagnostic, prognostic, and treatment approaches. Many stem cell niches are well defined anatomically, thereby allowing their routine pathological evaluation during disease initiation and progression. Evaluation of the consequences of genetic manipulations in stem cells and investigation of the roles of stem cells in regenerative medicine and pathogenesis of various diseases such as cancer require significant expertise in pathology for accurate interpretation of novel findings. Therefore, there is an urgent need for developing stem cell pathology as a discipline to facilitate stem cell research and regenerative medicine. This review provides examples of anatomically defined niches suitable for evaluation by diagnostic pathologists, describes neoplastic lesions associated with them, and discusses further directions of stem cell pathology.
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Affiliation(s)
- Dah-Jiun Fu
- Department of Biomedical Sciences and Cornell Stem Cell Program, Cornell University, Ithaca, New York 14853, USA;
| | - Andrew D Miller
- Department of Biomedical Sciences and Cornell Stem Cell Program, Cornell University, Ithaca, New York 14853, USA;
| | - Teresa L Southard
- Department of Biomedical Sciences and Cornell Stem Cell Program, Cornell University, Ithaca, New York 14853, USA;
| | - Andrea Flesken-Nikitin
- Department of Biomedical Sciences and Cornell Stem Cell Program, Cornell University, Ithaca, New York 14853, USA;
| | - Lora H Ellenson
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY 10021, USA
| | - Alexander Yu Nikitin
- Department of Biomedical Sciences and Cornell Stem Cell Program, Cornell University, Ithaca, New York 14853, USA;
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284
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Naik S, Larsen SB, Gomez NC, Alaverdyan K, Sendoel A, Yuan S, Polak L, Kulukian A, Chai S, Fuchs E. Inflammatory memory sensitizes skin epithelial stem cells to tissue damage. Nature 2017; 550:475-480. [PMID: 29045388 PMCID: PMC5808576 DOI: 10.1038/nature24271] [Citation(s) in RCA: 420] [Impact Index Per Article: 60.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Accepted: 09/14/2017] [Indexed: 02/06/2023]
Abstract
The body’s first line of defense against environmental assaults, the skin barrier is maintained by epithelial stem cells (EpSCs). Despite EpSCs’ vulnerability to inflammatory pressures, neither the primary response nor its enduring consequences are understood. Here, we unearth a prolonged memory to acute inflammation that enables EpSCs to hasten barrier restoration following subsequent tissue damage. This functional adaptation does not require skin resident macrophages or T cells. Rather, EpSCs maintain chromosomal accessibility at key stress response genes that are activated by the primary stimulus. Upon a secondary challenge, genes governed by these domains are transcribed rapidly. Fueling this memory is Aim2, encoding an activator of the inflammasome. Absence of AIM2 or its downstream effectors, Caspase-1 and Interleukin-1β, erases EpSCs’ ability to recollect inflammation. While EpSCs benefit from inflammatory tuning by heightening their responsiveness to subsequent stressors, this enhanced sensitivity likely increases their susceptibility to autoimmune and hyperproliferative disorders, including cancer.
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Affiliation(s)
- Shruti Naik
- Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, Howard Hughes Medical Institute, The Rockefeller University, New York, New York 10065, USA
| | - Samantha B Larsen
- Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, Howard Hughes Medical Institute, The Rockefeller University, New York, New York 10065, USA
| | - Nicholas C Gomez
- Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, Howard Hughes Medical Institute, The Rockefeller University, New York, New York 10065, USA
| | - Kirill Alaverdyan
- Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, Howard Hughes Medical Institute, The Rockefeller University, New York, New York 10065, USA
| | - Ataman Sendoel
- Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, Howard Hughes Medical Institute, The Rockefeller University, New York, New York 10065, USA
| | - Shaopeng Yuan
- Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, Howard Hughes Medical Institute, The Rockefeller University, New York, New York 10065, USA
| | - Lisa Polak
- Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, Howard Hughes Medical Institute, The Rockefeller University, New York, New York 10065, USA
| | - Anita Kulukian
- Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, Howard Hughes Medical Institute, The Rockefeller University, New York, New York 10065, USA
| | - Sophia Chai
- Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, Howard Hughes Medical Institute, The Rockefeller University, New York, New York 10065, USA
| | - Elaine Fuchs
- Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, Howard Hughes Medical Institute, The Rockefeller University, New York, New York 10065, USA
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285
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Abstract
What is a stem cell? Is stemness an intrinsic or extrinsic property? What role does the microenvironment play in the stemness identity? We distinguish four identities for normal and cancerous stem cells and explore their consequences for therapeutic strategy choice in the oncology setting. Acquisition of genetic and epigenetic alterations during cell transformation and disease progression questions the stability of the stemness property's identity in cancers.
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Affiliation(s)
- Lucie Laplane
- CNRS U8590 - Institut d'histoire et de philosophie des sciences et des techniques (IHPST), université Paris I Panthéon-Sorbonne, 13, rue du Four, 75006 Paris, France - Inserm U1170, Gustave Roussy, 114, rue Edouard Vaillant, 94800 Villejuif, France
| | - Éric Solary
- Inserm U1170, Gustave Roussy, 114, rue Edouard Vaillant, 94800 Villejuif, France - Faculté de médecine Paris-Sud, 94270 Le Kremlin-Bicêtre, France
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286
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Varga J, Greten FR. Cell plasticity in epithelial homeostasis and tumorigenesis. Nat Cell Biol 2017; 19:1133-1141. [PMID: 28945230 DOI: 10.1038/ncb3611] [Citation(s) in RCA: 146] [Impact Index Per Article: 20.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2016] [Accepted: 08/11/2017] [Indexed: 02/06/2023]
Abstract
The adult organism is characterized by remarkable plasticity, which enables efficient regeneration and restoration of homeostasis after damage. When aberrantly activated, this plasticity contributes to tumour initiation and progression. Here we review recent advances in this field with a focus on cell fate changes and the epithelial-mesenchymal transition-two distinct, yet closely related, forms of plasticity with fundamental roles in homeostasis and cancer.
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Affiliation(s)
- Julia Varga
- Institute for Tumor Biology and Experimental Therapy, Georg-Speyer-Haus, Paul-Ehrlich-Str. 42-44, 60596 Frankfurt/Main, Germany
| | - Florian R Greten
- Institute for Tumor Biology and Experimental Therapy, Georg-Speyer-Haus, Paul-Ehrlich-Str. 42-44, 60596 Frankfurt/Main, Germany.,German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
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287
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Yi R. Concise Review: Mechanisms of Quiescent Hair Follicle Stem Cell Regulation. Stem Cells 2017; 35:2323-2330. [PMID: 28856849 DOI: 10.1002/stem.2696] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 08/02/2017] [Accepted: 08/14/2017] [Indexed: 01/08/2023]
Abstract
Maintaining a pool of adult stem cells is essential for tissue homeostasis and wound repair. In mammalian tissues, notably hair follicles, blood, and muscle, stem cells acquire quiescence and infrequently divide for self-renewal. Mechanistic understanding of stem cell quiescence is critical for applying these multipotent cells in regenerative medicine and interrogating their roles in human diseases such as cancer. Quiescent and dividing epithelial stem cells located in hair follicle are conspicuously organized in a spatiotemporally specific manner, allowing them to be studied at a considerable depth. Recent advancements in mouse genetics, genomics, and imaging have revealed unprecedented insights into establishment, maintenance, and regulation of quiescent hair follicle stem cells. This concise review summarizes the progress with a focus on mechanisms mediated by signaling pathways and transcription factors and discusses their implications in the understanding of stem cell biology. Stem Cells 2017;35:2323-2330.
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Affiliation(s)
- Rui Yi
- Department of Molecular, Cellular, and Developmental Biology, University of Colorado Boulder, Boulder, Colorado, USA
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288
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Song Z, Lian X, Wang Y, Xiang Y, Li G. KLF15 regulates in vitro chondrogenic differentiation of human mesenchymal stem cells by targeting SOX9. Biochem Biophys Res Commun 2017; 493:1082-1088. [PMID: 28923246 DOI: 10.1016/j.bbrc.2017.09.078] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Accepted: 09/14/2017] [Indexed: 01/05/2023]
Abstract
Mesenchymal stem cells (MSCs) are multipotent stromal cells residing in the bone marrow. MSCs have the potential to differentiate into adipocytes, chondrocytes, and other types of cells. However, the mechanism underlying MSC differentiation is still not fully understood. Here we aimed to investigate the function of the Kruppel-like factor (KLF) transcriptional factor family in regulating chondrogenic differentiation from human MSCs. Among the KLF family members, KLF15 was activated during different models of chondrogenic differentiation in a time-dependent manner. Lentivirus-mediated knockdown of KLF15 in MSCs repressed chondrogenic differentiation whereas KLF15 overexpression facilitated chondrogenic differentiation. KLF15 promoted the chondrogenic differentiation of human MSCs by activating the expression of SOX9, which is critically involved in KLF15 function during chondrogenic differentiation. Our mechanism study demonstrated that KLF15 bound the promoter of SOX9 and promoted the activation of the SOX9 promoter. Taken together, our findings show that KLF15 promotes chondrogenic differentiation of human MSCs by activating SOX9.
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Affiliation(s)
- Zhuoyue Song
- Department of Orthopaedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450003, China
| | - Xiaolei Lian
- Department of Orthopaedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450003, China
| | - Yang Wang
- Department of Orthopaedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450003, China
| | - Yong Xiang
- Department of Orthopaedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450003, China
| | - Guangheng Li
- Department of Orthopaedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450003, China.
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289
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Tata PR, Rajagopal J. Plasticity in the lung: making and breaking cell identity. Development 2017; 144:755-766. [PMID: 28246210 DOI: 10.1242/dev.143784] [Citation(s) in RCA: 125] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In contrast to a prior emphasis on the finality of cell fate decisions in developmental systems, cellular plasticity is now emerging as a general theme in the biology of multiple adult organ systems. In the lung, lineage tracing has been used to identify distinct epithelial stem and progenitor cell populations. These cells, together with their differentiated progeny, maintain a stable identity during steady state conditions, but can display remarkable lineage plasticity following injury. This Review summarizes our current understanding of the different cell lineages of the adult mammalian lung and their responses to injury. In the lung, which is constantly exposed to infection and aerosolized toxins, epithelial plasticity might be more of a rule than an exception, and it is likely that different injuries elicit different facultative responses.
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Affiliation(s)
- Purushothama Rao Tata
- Center for Regenerative Medicine, Massachusetts General Hospital, 185 Cambridge Street, Boston, MA 02114, USA.,Harvard Stem Cell Institute, Cambridge, MA 02138, USA.,Departments of Internal Medicine, Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Jayaraj Rajagopal
- Center for Regenerative Medicine, Massachusetts General Hospital, 185 Cambridge Street, Boston, MA 02114, USA .,Harvard Stem Cell Institute, Cambridge, MA 02138, USA.,Departments of Internal Medicine, Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, MA 02114, USA.,Massachusetts General Hospital for Children, Pediatric Pulmonary Medicine, Boston, MA 02114, USA.,Division of Otology and Laryngology, Massachusetts Eye and Ear, Boston, MA 02114, USA
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290
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E6/E7 oncogenes in epithelial suprabasal layers and estradiol promote cervical growth and ear regeneration. Oncogenesis 2017; 6:e374. [PMID: 28846079 PMCID: PMC5608921 DOI: 10.1038/oncsis.2017.73] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 06/10/2017] [Accepted: 07/17/2017] [Indexed: 02/06/2023] Open
Abstract
Tissue growth is a common characteristic of carcinogenesis and regeneration. Here we show that suprabasal expression of human papillomavirus (HPV)16 E6/E7 oncogenes in Tg(K6b-E6/E7) mice, similar to that observed in HPV-infected human tissue, and estradiol increased cervical epithelium growth and ear-hole closure efficiency. Oncogenes in combination with estradiol had a significant contribution to the proliferation of suprabasal cells of cervical epithelium that correlated with an increased expression of keratin genes. Remarkably, long-term treatments with estradiol resulted in evident cellular and tissue abnormalities indicative of a precancerous phenotype. Regenerating ear epithelium of transgenic mice also showed increased suprabasal cell proliferation and expression of keratin genes. Unexpectedly, we observed higher ear regeneration efficiency in adult than in young female mice, which was further increased by E6/E7 oncogenes. Supporting a role of estradiol in this phenomenon, ovariectomy and treatment with an estrogen receptor inhibitor caused a significant reduction in regenerative capacity. Our data suggest that Tg(K6b-E6/E7) mice are unique to mimic the initial stages of HPV-mediated cervical carcinogenesis, and ear regeneration could facilitate the elucidation of mechanisms involved.
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291
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Changing Stem Cell Dynamics during Papillomavirus Infection: Potential Roles for Cellular Plasticity in the Viral Lifecycle and Disease. Viruses 2017; 9:v9080221. [PMID: 28805675 PMCID: PMC5580478 DOI: 10.3390/v9080221] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Revised: 08/07/2017] [Accepted: 08/08/2017] [Indexed: 12/14/2022] Open
Abstract
Stem cells and cellular plasticity are likely important components of tissue response to infection. There is emerging evidence that stem cells harbor receptors for common pathogen motifs and that they are receptive to local inflammatory signals in ways suggesting that they are critical responders that determine the balance between health and disease. In the field of papillomaviruses stem cells have been speculated to play roles during the viral life cycle, particularly during maintenance, and virus-promoted carcinogenesis but little has been conclusively determined. I summarize here evidence that gives clues to the potential role of stem cells and cellular plasticity in the lifecycle papillomavirus and linked carcinogenesis. I also discuss outstanding questions which need to be resolved.
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292
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Inhibition of TGF-β signaling supports high proliferative potential of diverse p63 + mouse epithelial progenitor cells in vitro. Sci Rep 2017; 7:6089. [PMID: 28729719 PMCID: PMC5519764 DOI: 10.1038/s41598-017-06470-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Accepted: 06/13/2017] [Indexed: 12/21/2022] Open
Abstract
Mouse models have been used to provide primary cells to study physiology and pathogenesis of epithelia. However, highly efficient simple approaches to propagate mouse primary epithelial cells remain challenging. Here, we show that pharmacological inhibition of TGF-β signaling enables long-term expansion of p63+ epithelial progenitor cells in low Ca2+ media without the need of progenitor cell-purification steps or support by a feeder cell layer. We find that TGF-β signaling is operative in mouse primary keratinocytes in conventional cultures as determined by the nuclear Smad2/3 localization. Accordingly, TGF-β signaling inhibition in crude preparations of mouse epidermis robustly increases proliferative capacity of p63+ epidermal progenitor cells, while preserving their ability of differentiation in response to Ca2+ stimulation. Notably, inhibition of TGF-β signaling also enriches and expands other p63+ epithelial progenitor cells in primary crude cultures of multiple epithelia, including the cornea, oral and lingual epithelia, salivary gland, esophagus, thymus, and bladder. We anticipate that this simple and efficient approach will facilitate the use of mouse models for studying a wide range of epithelia by providing highly enriched populations of diverse p63+ epithelial progenitor cells in quantity.
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293
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Mirzaei H, Sahebkar A, Sichani LS, Moridikia A, Nazari S, Sadri Nahand J, Salehi H, Stenvang J, Masoudifar A, Mirzaei HR, Jaafari MR. Therapeutic application of multipotent stem cells. J Cell Physiol 2017; 233:2815-2823. [PMID: 28475219 DOI: 10.1002/jcp.25990] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Accepted: 05/04/2017] [Indexed: 12/19/2022]
Abstract
Cell therapy is an emerging fields in the treatment of various diseases such as cardiovascular, pulmonary, hepatic, and neoplastic diseases. Stem cells are an integral tool for cell therapy. Multipotent stem cells are an important class of stem cells which have the ability to self-renew through dividing and developing into multiple specific cell types in a specific tissue or organ. These cells are capable to activate or inhibit a sequence of cellular and molecular pathways leading to anti-inflammatory and anti-apoptotic effects which might contribute to the treatment of various diseases. It has been showed that multipotent stem cells exert their therapeutic effects via inhibition/activation of a sequence of cellular and molecular pathways. Although the advantages of multipotent stem cells are numerous, further investigation is still necessary to clarify the biology and safety of these cells before they could be considered as a potential treatment for different types of diseases. This review summarizes different features of multipotent stem cells including isolation, differentiation, and therapeutic applications.
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Affiliation(s)
- Hamed Mirzaei
- Department of Medical Biotechnology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amirhossein Sahebkar
- Biotechnology Research Center, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Laleh Shiri Sichani
- Faculty of Basic Science, Department of Genetic, University of Shahrekord, Shahrekord, Iran
| | - Abdullah Moridikia
- Chemical Injuries Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Sara Nazari
- Faculty of Science, Department of Biology, North Tehran Branch of Islamic Azad University, Tehran, Iran
| | - Javid Sadri Nahand
- Department of Virology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Hossein Salehi
- Department of Anatomical Sciences, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Jan Stenvang
- Faculty of Health and Medical Sciences, Department of Veterinary Disease Biology, Section for Molecular Disease Biology, University of Copenhagen, Copenhagen, Denmark
| | - Aria Masoudifar
- Department of Molecular Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECRR, Isfahan, Iran
| | - Hamid R Mirzaei
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahmoud R Jaafari
- Nanotechnology Research Center, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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294
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Tashireva LA, Perelmuter VM, Manskikh VN, Denisov EV, Savelieva OE, Kaygorodova EV, Zavyalova MV. Types of Immune-Inflammatory Responses as a Reflection of Cell-Cell Interactions under Conditions of Tissue Regeneration and Tumor Growth. BIOCHEMISTRY (MOSCOW) 2017; 82:542-555. [PMID: 28601064 DOI: 10.1134/s0006297917050029] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Inflammatory infiltration of tumor stroma is an integral reflection of reactions that develop in response to any damage to tumor cells including immune responses to antigens or necrosis caused by vascular disorders. In this review, we use the term "immune-inflammatory response" (IIR) that allows us to give an integral assessment of the cellular composition of the tumor microenvironment. Two main types of IIRs are discussed: type 1 and 2 T-helper reactions (Th1 and Th2), as well as their inducers: immunosuppressive responses and reactions mediated by Th22 and Th17 lymphocytes and capable of modifying the main types of IIRs. Cellular and molecular manifestations of each IIR type are analyzed and their general characteristics and roles in tissue regeneration and tumor growth are presented. Since inflammatory responses in a tumor can also be initiated by innate immunity mechanisms, special attention is given to inflammation based on them. We emphasize that processes accompanying tissue regeneration are prototypes of processes underlying cancer progression, and these processes have the same cellular and molecular substrates. We focus on evidence that tumor progression is mainly contributed by processes specific for the second phase of "wound healing" that are based on the Th2-type IIR. We emphasize that the effect of various types of immune and stroma cells on tumor progression is determined by the ability of the cells and their cytokines to promote or prevent the development of Th1- or Th2-type of IIR. Finally, we supposed that the nonspecific influence on the tumor caused by the cytokine context of the Th1- or Th2-type microenvironment should play a decisive role for suppression or stimulation of tumor growth and metastasis.
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Affiliation(s)
- L A Tashireva
- Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634050 Tomsk, Russia.
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295
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Watt FM. Engineered Microenvironments to Direct Epidermal Stem Cell Behavior at Single-Cell Resolution. Dev Cell 2017; 38:601-9. [PMID: 27676433 DOI: 10.1016/j.devcel.2016.08.010] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Revised: 08/08/2016] [Accepted: 08/22/2016] [Indexed: 01/08/2023]
Abstract
Mammalian epidermis is maintained through proliferation of stem cells and differentiation of their progeny. The balance between self-renewal and differentiation is controlled by a variety of interacting intrinsic and extrinsic factors. Although the nature of these interactions is complex, they can be modeled in a reductionist fashion by capturing single epidermal stem cells on micropatterned substrates and exposing them to individual stimuli, alone or in combination, over defined time points. These studies have shown that different extrinsic stimuli trigger a common outcome-initiation of terminal differentiation-by activating different signaling pathways and eliciting different transcriptional responses.
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Affiliation(s)
- Fiona M Watt
- Centre for Stem Cells and Regenerative Medicine, King's College London, Guy's Hospital, Floor 28, Tower Wing, Great Maze Pond, London SE1 9RT, UK.
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296
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Kretzschmar K, Clevers H. Organoids: Modeling Development and the Stem Cell Niche in a Dish. Dev Cell 2017; 38:590-600. [PMID: 27676432 DOI: 10.1016/j.devcel.2016.08.014] [Citation(s) in RCA: 278] [Impact Index Per Article: 39.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Revised: 08/24/2016] [Accepted: 08/26/2016] [Indexed: 02/08/2023]
Abstract
Organoids are three-dimensional in-vitro-grown cell clusters with near-native microanatomy that arise from self-organizing mammalian pluripotent or adult stem cells. Although monolayer stem cell cultures were established more than 40 years ago, organoid technology has recently emerged as an essential tool for both fundamental and biomedical research. For developmental biologists, organoids provide powerful means for ex vivo modeling of tissue morphogenesis and organogenesis. Here we discuss how organoid cultures of the intestine and other tissues have been established and how they are utilized as an in vitro model system for stem cell research and developmental biology.
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Affiliation(s)
- Kai Kretzschmar
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Centre (UMC) Utrecht, 3584 CT Utrecht, the Netherlands
| | - Hans Clevers
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Centre (UMC) Utrecht, 3584 CT Utrecht, the Netherlands; Princess Máxima Centre, 3584 CT Utrecht, the Netherlands; Cancer Genomics Netherlands, UMC Utrecht, 3584 CG Utrecht, the Netherlands.
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297
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WNT10A mutation causes ectodermal dysplasia by impairing progenitor cell proliferation and KLF4-mediated differentiation. Nat Commun 2017; 8:15397. [PMID: 28589954 PMCID: PMC5467248 DOI: 10.1038/ncomms15397] [Citation(s) in RCA: 85] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2016] [Accepted: 03/27/2017] [Indexed: 02/06/2023] Open
Abstract
Human WNT10A mutations are associated with developmental tooth abnormalities and adolescent onset of a broad range of ectodermal defects. Here we show that β-catenin pathway activity and adult epithelial progenitor proliferation are reduced in the absence of WNT10A, and identify Wnt-active self-renewing stem cells in affected tissues including hair follicles, sebaceous glands, taste buds, nails and sweat ducts. Human and mouse WNT10A mutant palmoplantar and tongue epithelia also display specific differentiation defects that are mimicked by loss of the transcription factor KLF4. We find that β-catenin interacts directly with region-specific LEF/TCF factors, and with KLF4 in differentiating, but not proliferating, cells to promote expression of specialized keratins required for normal tissue structure and integrity. Our data identify WNT10A as a critical ligand controlling adult epithelial proliferation and region-specific differentiation, and suggest downstream β-catenin pathway activation as a potential approach to ameliorate regenerative defects in WNT10A patients. Human WNT10A mutations are associated with dental defects and adult onset ectodermal dysplasia. Xu et al. show that WNT10A-activated ß-catenin plays dual roles in adult epithelial progenitor proliferation and differentiation by complexing with KLF4 in differentiating, but not proliferating, cells.
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298
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Donati G, Rognoni E, Hiratsuka T, Liakath-Ali K, Hoste E, Kar G, Kayikci M, Russell R, Kretzschmar K, Mulder KW, Teichmann SA, Watt FM. Wounding induces dedifferentiation of epidermal Gata6 + cells and acquisition of stem cell properties. Nat Cell Biol 2017; 19:603-613. [PMID: 28504705 DOI: 10.1038/ncb3532] [Citation(s) in RCA: 106] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Accepted: 04/18/2017] [Indexed: 02/08/2023]
Abstract
The epidermis is maintained by multiple stem cell populations whose progeny differentiate along diverse, and spatially distinct, lineages. Here we show that the transcription factor Gata6 controls the identity of the previously uncharacterized sebaceous duct (SD) lineage and identify the Gata6 downstream transcription factor network that specifies a lineage switch between sebocytes and SD cells. During wound healing differentiated Gata6+ cells migrate from the SD into the interfollicular epidermis and dedifferentiate, acquiring the ability to undergo long-term self-renewal and differentiate into a much wider range of epidermal lineages than in undamaged tissue. Our data not only demonstrate that the structural and functional complexity of the junctional zone is regulated by Gata6, but also reveal that dedifferentiation is a previously unrecognized property of post-mitotic, terminally differentiated cells that have lost contact with the basement membrane. This resolves the long-standing debate about the contribution of terminally differentiated cells to epidermal wound repair.
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Affiliation(s)
- Giacomo Donati
- King's College London Centre for Stem Cells and Regenerative Medicine, 28th Floor, Tower Wing, Guy's Campus, Great Maze Pond, London SE1 9RT, UK.,Cancer Research UK Cambridge Research Institute, Cambridge CB2 0RE, UK.,Department of Life Sciences and Systems Biology, University of Turin, Via Accademia Albertina 13, 10123 Turin, Italy
| | - Emanuel Rognoni
- King's College London Centre for Stem Cells and Regenerative Medicine, 28th Floor, Tower Wing, Guy's Campus, Great Maze Pond, London SE1 9RT, UK
| | - Toru Hiratsuka
- King's College London Centre for Stem Cells and Regenerative Medicine, 28th Floor, Tower Wing, Guy's Campus, Great Maze Pond, London SE1 9RT, UK
| | - Kifayathullah Liakath-Ali
- King's College London Centre for Stem Cells and Regenerative Medicine, 28th Floor, Tower Wing, Guy's Campus, Great Maze Pond, London SE1 9RT, UK
| | - Esther Hoste
- King's College London Centre for Stem Cells and Regenerative Medicine, 28th Floor, Tower Wing, Guy's Campus, Great Maze Pond, London SE1 9RT, UK.,VIB Center for Inflammation Research, Department of Biomedical Molecular Biology (Ghent University), B-9052 Ghent, Belgium
| | - Gozde Kar
- European Bioinformatics Institute and Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton CB10 1SD, UK
| | - Melis Kayikci
- MRC Laboratory of Molecular Biology, Cambridge CB2 0QH, UK
| | - Roslin Russell
- Cancer Research UK Cambridge Research Institute, Cambridge CB2 0RE, UK
| | - Kai Kretzschmar
- King's College London Centre for Stem Cells and Regenerative Medicine, 28th Floor, Tower Wing, Guy's Campus, Great Maze Pond, London SE1 9RT, UK.,Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute, University of Cambridge, Cambridge CB2 1QR, UK.,Hubrecht Institute, KNAW and UMC Utrecht, 3584CT Utrecht, The Netherlands
| | - Klaas W Mulder
- Cancer Research UK Cambridge Research Institute, Cambridge CB2 0RE, UK.,Radboud Institute for Molecular Life Sciences, Department of Molecular Developmental Biology, Radboud University, Nijmegen, The Netherlands
| | - Sarah A Teichmann
- European Bioinformatics Institute and Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton CB10 1SD, UK
| | - Fiona M Watt
- King's College London Centre for Stem Cells and Regenerative Medicine, 28th Floor, Tower Wing, Guy's Campus, Great Maze Pond, London SE1 9RT, UK
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299
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Giroux V, Lento AA, Islam M, Pitarresi JR, Kharbanda A, Hamilton KE, Whelan KA, Long A, Rhoades B, Tang Q, Nakagawa H, Lengner CJ, Bass AJ, Wileyto EP, Klein-Szanto AJ, Wang TC, Rustgi AK. Long-lived keratin 15+ esophageal progenitor cells contribute to homeostasis and regeneration. J Clin Invest 2017; 127:2378-2391. [PMID: 28481227 DOI: 10.1172/jci88941] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Accepted: 03/09/2017] [Indexed: 12/30/2022] Open
Abstract
The esophageal lumen is lined by a stratified squamous epithelium comprised of proliferative basal cells that differentiate while migrating toward the luminal surface and eventually desquamate. Rapid epithelial renewal occurs, but the specific cell of origin that supports this high proliferative demand remains unknown. Herein, we have described a long-lived progenitor cell population in the mouse esophageal epithelium that is characterized by expression of keratin 15 (Krt15). Genetic in vivo lineage tracing revealed that the Krt15 promoter marks a long-lived basal cell population able to self-renew, proliferate, and generate differentiated cells, consistent with a progenitor/stem cell population. Transcriptional profiling demonstrated that Krt15+ basal cells are molecularly distinct from Krt15- basal cells. Depletion of Krt15-derived cells resulted in decreased proliferation, thereby leading to atrophy of the esophageal epithelium. Further, Krt15+ cells were radioresistant and contributed to esophageal epithelial regeneration following radiation-induced injury. These results establish the presence of a long-lived and indispensable Krt15+ progenitor cell population that provides additional perspective on esophageal epithelial biology and the widely prevalent diseases that afflict this epithelium.
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Affiliation(s)
- Véronique Giroux
- Division of Gastroenterology, Department of Medicine, and.,Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Ashley A Lento
- Division of Gastroenterology, Department of Medicine, and.,Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Mirazul Islam
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Jason R Pitarresi
- Division of Gastroenterology, Department of Medicine, and.,Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Akriti Kharbanda
- Division of Gastroenterology, Department of Medicine, and.,Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Kathryn E Hamilton
- Division of Gastroenterology, Department of Medicine, and.,Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Kelly A Whelan
- Division of Gastroenterology, Department of Medicine, and.,Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Apple Long
- Division of Gastroenterology, Department of Medicine, and.,Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Ben Rhoades
- Division of Gastroenterology, Department of Medicine, and.,Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Qiaosi Tang
- Division of Gastroenterology, Department of Medicine, and.,Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Hiroshi Nakagawa
- Division of Gastroenterology, Department of Medicine, and.,Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Christopher J Lengner
- Department of Biomedical Sciences, School of Veterinary Medicine, and Institute for Regenerative Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Adam J Bass
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA.,Harvard Medical School, Boston, Massachusetts, USA
| | - E Paul Wileyto
- Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Andres J Klein-Szanto
- Department of Pathology and Cancer Biology Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania, USA
| | - Timothy C Wang
- Division of Digestive and Liver Disease, Department of Medicine, Columbia University, New York, New York, USA
| | - Anil K Rustgi
- Division of Gastroenterology, Department of Medicine, and.,Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania, USA.,Department of Genetics, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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300
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Abstract
Cellular heterogeneity in cancer represents a significant challenge. In order to develop effective and lasting therapies, it is essential to understand the source of this heterogeneity, and its role in tumor progression and therapy resistance. Here, we consider not only genetic and epigenetic mechanisms, but also inflammation and cell state reprogramming in creating tumor heterogeneity. We discuss similarities between normal mammary epithelial developmental states and various breast cancer molecular sub-types, and the cells that are thought to propagate them. We emphasize that while stem cell phenotypes and mesenchymal character have often been conflated, existing data suggest that the combination of intrinsic genetic and epigenetic changes, and microenvironmental influences generate multiple types of tumor propagating cells distinguishable by their positions along a continuum of epithelial to mesenchymal, stem to differentiated and embryonic to mature cell states. Consequently, in addition to the prospect of stem cell-directed tumor therapies, there is a need to understand interrelationships between stem cell, epithelial–mesenchymal, and tumor-associated reprogramming events to develop new therapies that mitigate cell state plasticity and minimize the evolution of tumor heterogeneity.
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