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Pallavi R, Gatti E, Durfort T, Stendardo M, Ravasio R, Leonardi T, Falvo P, Duso BA, Punzi S, Xieraili A, Polazzi A, Verrelli D, Trastulli D, Ronzoni S, Frascolla S, Perticari G, Elgendy M, Varasi M, Colombo E, Giorgio M, Lanfrancone L, Minucci S, Mazzarella L, Pelicci PG. Caloric restriction leads to druggable LSD1-dependent cancer stem cells expansion. Nat Commun 2024; 15:828. [PMID: 38280853 PMCID: PMC10821871 DOI: 10.1038/s41467-023-44348-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 12/10/2023] [Indexed: 01/29/2024] Open
Abstract
Caloric Restriction (CR) has established anti-cancer effects, but its clinical relevance and molecular mechanism remain largely undefined. Here, we investigate CR's impact on several mouse models of Acute Myeloid Leukemias, including Acute Promyelocytic Leukemia, a subtype strongly affected by obesity. After an initial marked anti-tumor effect, lethal disease invariably re-emerges. Initially, CR leads to cell-cycle restriction, apoptosis, and inhibition of TOR and insulin/IGF1 signaling. The relapse, instead, is associated with the non-genetic selection of Leukemia Initiating Cells and the downregulation of double-stranded RNA (dsRNA) sensing and Interferon (IFN) signaling genes. The CR-induced adaptive phenotype is highly sensitive to pharmacological or genetic ablation of LSD1, a lysine demethylase regulating both stem cells and dsRNA/ IFN signaling. CR + LSD1 inhibition leads to the re-activation of dsRNA/IFN signaling, massive RNASEL-dependent apoptosis, and complete leukemia eradication in ~90% of mice. Importantly, CR-LSD1 interaction can be modeled in vivo and in vitro by combining LSD1 ablation with pharmacological inhibitors of insulin/IGF1 or dual PI3K/MEK blockade. Mechanistically, insulin/IGF1 inhibition sensitizes blasts to LSD1-induced death by inhibiting the anti-apoptotic factor CFLAR. CR and LSD1 inhibition also synergize in patient-derived AML and triple-negative breast cancer xenografts. Our data provide a rationale for epi-metabolic pharmacologic combinations across multiple tumors.
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Affiliation(s)
- Rani Pallavi
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Elena Gatti
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Tiphanie Durfort
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Massimo Stendardo
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Roberto Ravasio
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Tommaso Leonardi
- Center for Genomic Science of IIT@SEMM, Fondazione Istituto Italiano di Tecnologia, Milan, Italy
| | - Paolo Falvo
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Bruno Achutti Duso
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Simona Punzi
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Aobuli Xieraili
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Andrea Polazzi
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Doriana Verrelli
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Deborah Trastulli
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Simona Ronzoni
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Simone Frascolla
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Giulia Perticari
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Mohamed Elgendy
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
- Institute for Clinical Chemistry and Laboratory Medicine, University Hospital and Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
- Medical Clinic I, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- Mildred-Scheel Early Career Center, National Center for Tumor Diseases Dresden (NCT/UCC) University Hospital and Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
- Cancer Cell Biology, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, CZ-14220, Czech Republic
| | - Mario Varasi
- IFOM ETS - The AIRC Institute of Molecular Oncology, Milan, Italy
| | - Emanuela Colombo
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
- Department of Hemato-Oncology, Universita' Statale di Milano, Milan, Italy
| | - Marco Giorgio
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Luisa Lanfrancone
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Saverio Minucci
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
- Department of Hemato-Oncology, Universita' Statale di Milano, Milan, Italy
| | - Luca Mazzarella
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy.
| | - Pier Giuseppe Pelicci
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy.
- Department of Hemato-Oncology, Universita' Statale di Milano, Milan, Italy.
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Kramer BW, Abman S, Daly M, Jobe AH, Niklas V. Insulin-like growth factor-1 replacement therapy after extremely premature birth: An opportunity to optimize lifelong lung health by preserving the natural sequence of lung development. Paediatr Respir Rev 2023; 48:24-29. [PMID: 37268507 DOI: 10.1016/j.prrv.2023.05.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 05/04/2023] [Indexed: 06/04/2023]
Abstract
The past decades have seen markedly improved survival of increasingly immature preterm infants, yet major health complications persist. This is particularly true for bronchopulmonary dysplasia (BPD), the chronic lung disease of prematurity, which has become the most common sequelae of prematurity and a significant predictor of respiratory morbidity throughout childhood as well as adult life, neurodevelopmental disability, cardiovascular disease, and even death. The need for novel approaches to reduce BPD and related complications of prematurity has never been more critical. Thus, despite major advances in the use of antenatal steroids, surfactant therapy, and improvements in respiratory support, there is a persistent need for developing therapeutic strategies that more specifically reflect our growing understanding of BPD in the post-surfactant age, or the "new BPD." In contrast with the severe lung injury leading to marked fibroproliferative disease from the past, the "new BPD" is primarily characterized by an arrest of lung development as related to more extreme prematurity. This distinction and the continued high incidence of BPD and related sequelae suggest the need to identify therapies that target critical mechanisms that support lung growth and maturation in conjunction with treatments to improve respiratory outcomes across the lifespan. As the prevention of BPD and its severity remains a primary goal, we highlight the concept from preclinical and early clinical observations that insulin-like growth factor 1 (IGF-1) can potentially support the natural sequence of lung growth as a replacement therapy after preterm birth. Data supporting this hypothesis are robust and include observations that low IGF-1 levels persist after extremely preterm birth in human infants and strong preclinical data from experimental models of BPD highlight the therapeutic benefit of IGF-1 in reducing disease. Importantly, phase 2a clinical data in extremely premature infants where replacement of IGF-1 with a human recombinant human IGF-1 complexed with its main IGF-1 binding protein 3, significantly reduced the most severe form of BPD, which is strongly associated with multiple morbidities that have lifelong consequences. As physiologic replacement therapy of surfactant heralded the success of reducing acute respiratory distress syndrome in preterm infants, the paradigm has the potential to become the platform for discovering the next generation of therapies like IGF-1, which becomes deficient after extremely premature birth where endogenous production by the infant is not sufficient to maintain the physiologic levels adequate to support normal organ development and maturation.
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Affiliation(s)
- Boris W Kramer
- University of Western Australia, Subiaco, Western Australia, Australia; Neuroplast BV, Maastricht, NL, The Netherlands.
| | - Steven Abman
- University of Colorado Anschutz Medical Center, Department of Pediatrics and Division of Pulmonology, Aurora, CO 80045, USA
| | - Mandy Daly
- Irish Neonatal Health Alliance, Wicklow, Ireland
| | - Alan H Jobe
- Emeritus Professor of Pediatrics, 3333 Burnet Ave, Cincinnati, OH 45229, USA
| | - Victoria Niklas
- Oak Hill Bio Ltd, 1 Ashley Road, Altrincham, Cheshire WA14 2DT, UK
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3
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Muthuvel G, Al Remeithi SS, Foley C, Dauber A, Hwa V, Backeljauw P. Recombinant Human Insulin-Like Growth Factor-1 Treatment of Severe Growth Failure in Three Siblings with STAT5B Deficiency. Horm Res Paediatr 2023; 97:195-202. [PMID: 37586336 DOI: 10.1159/000531491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 05/24/2023] [Indexed: 08/18/2023] Open
Abstract
INTRODUCTION Patients with homozygous recessive mutations in STAT5B have severe progressive postnatal growth failure and insulin-like growth factor-I (IGF-I) deficiency associated with immunodeficiency and increased risk of autoimmune and pulmonary conditions. This report describes the efficacy and safety of recombinant human IGF-1 (rhIGF-1) in treating severe growth failure due to STAT5B deficiency. CASE PRESENTATION Three siblings (P1, 4.4 year-old female; P2, 2.3 year-old male; and P3, 7 month-old female) with severe short stature (height SDS [HtSDS] -6.5, -4.9, -5.3, respectively) were referred to the Center for Growth Disorders at Cincinnati Children's Hospital Medical Center. All three had a homozygous mutation (p.Trp631*) in STAT5B. Baseline IGF-I was 14.7, 14.1, and 10.8 ng/mL, respectively (all < -2.5 SDS for age and sex), and IGFBP-3 was 796, 603, and 475 ng/mL, respectively (all < -3 SDS for age and sex). The siblings were started on rhIGF-1 at 40 μg/kg/dose twice daily subcutaneously (SQ), gradually increased to 110-120 μg/kg/dose SQ twice daily as tolerated. HtSDS and height velocity (HV) were monitored over time. RESULTS Six years of growth data was utilized to quantify growth response in the two older siblings and 5 years of data in the youngest. Pre-treatment HVs were, respectively, 3.0 (P1), 3.0 (P2), and 5.2 (P3) cm/year. With rhIGF-1 therapy, HVs increased to 5.2-6.0, 4.8-7.1, and 5.5-7.4 cm/year, respectively, in the first 3 years of treatment, before they decreased to 4.7, 3.8, and 4.3 cm/year, respectively, at a COVID-19 pandemic delayed follow-up visit and with decreased treatment adherence. ΔHtSDS for P1 and P2 was +2.21 and +0.93, respectively, over 6 years, but -0.62 for P3 after 5 years and in the setting of severe local lipohypertrophy and suboptimal weight gain. P3 also experienced hypoglycemia that limited our ability to maintain target rhIGF-1 dosing. CONCLUSION The response to rhIGF-1 therapy is less than observed with rhIGF-1 therapy for patients previously described with severe primary IGF-I deficiency, including patients with documented defects in the growth hormone receptor, but may still provide patients with STAT5B deficiency with an opportunity to prevent worsening growth failure.
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Affiliation(s)
- Gajanthan Muthuvel
- Division of Endocrinology, Cincinnati Children's Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Sareea Salem Al Remeithi
- Division of Endocrinology, Department of Pediatrics, Sheikh Khalifa Medical City, Abu Dhabi, United Arab Emirates
| | - Corinne Foley
- Medical Scientist Training Program, Cincinnati Children's Hospital Medical Center and University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Andrew Dauber
- Department of Pediatrics, George Washington University School of Medicine and Health Sciences, Washington, District of Columbia, USA
| | - Vivian Hwa
- Division of Endocrinology, Cincinnati Children's Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Philippe Backeljauw
- Division of Endocrinology, Cincinnati Children's Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
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Duan L, Calhoun SJ, Perez RE, Macias V, Mir F, Gattuso P, Maki CG. Prolylcarboxypeptidase promotes IGF1R/HER3 signaling and is a potential target to improve endocrine therapy response in estrogen receptor positive breast cancer. Cancer Biol Ther 2022; 23:1-10. [PMID: 36332175 PMCID: PMC9639567 DOI: 10.1080/15384047.2022.2142008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Prolylcarboxypeptidase (PRCP) is a lysosomal serine protease that cleaves peptide substrates when the penultimate amino acid is proline. Previous studies have linked PRCP to blood-pressure and appetite control through its ability to cleave peptide substrates such as angiotensin II and α-MSH. A potential role for PRCP in cancer has to date not been widely appreciated. Endocrine therapy resistance in breast cancer is an enduring clinical problem mediated in part by aberrant receptor tyrosine kinase (RTK) signaling. We previously found PRCP overexpression promoted 4-hydroxytamoxifen (4-OHT) resistance in estrogen receptor-positive (ER+) breast cancer cells. Currently, we tested the potential association between PRCP with breast cancer patient outcome and RTK signaling, and tumor responsiveness to endocrine therapy. We found high PRCP protein levels in ER+ breast tumors associates with worse outcome and earlier recurrence in breast cancer patients, including patients treated with TAM. We found a PRCP specific inhibitor (PRCPi) enhanced the response of ER+ PDX tumors and MCF7 tumors to endoxifen, an active metabolite of TAM in mice. We found PRCP increased IGF1R/HER3 signaling and AKT activation in ER+ breast cancer cells that was blocked by PRCPi. Thus, PRCP is an adverse prognostic marker in breast cancer and a potential target to improve endocrine therapy in ER+ breast cancers.
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Affiliation(s)
- Lei Duan
- Department of Anatomy and Cell biology, Rush University Medical Center, Chicago, IL, 60612, USA,CONTACT Lei Duan
| | - Sarah J. Calhoun
- Department of Anatomy and Cell biology, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Ricardo E. Perez
- Department of Anatomy and Cell biology, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Virgilia Macias
- Department of Pathology, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Fatima Mir
- Department of Pathology, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Paolo Gattuso
- Department of Pathology, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Carl G. Maki
- Department of Anatomy and Cell biology, Rush University Medical Center, Chicago, IL, 60612, USA,Carl G. Maki Department of Anatomy and Cell biology, Rush University Medical Center, 1705 W Harrison St, Jelke Bldg R1306, Chicago, IL, 60612, USA
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5
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Mccauley KB, Kukreja K, Jaffe AB, Klein AM. A map of signaling responses in the human airway epithelium. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2022:2022.12.21.521460. [PMID: 36597531 PMCID: PMC9810218 DOI: 10.1101/2022.12.21.521460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Receptor-mediated signaling plays a central role in tissue regeneration, and it is dysregulated in disease. Here, we build a signaling-response map for a model regenerative human tissue: the airway epithelium. We analyzed the effect of 17 receptor-mediated signaling pathways on organotypic cultures to determine changes in abundance and phenotype of all epithelial cell types. This map recapitulates the gamut of known airway epithelial signaling responses to these pathways. It defines convergent states induced by multiple ligands and diverse, ligand-specific responses in basal-cell and secretory-cell metaplasia. We show that loss of canonical differentiation induced by multiple pathways is associated with cell cycle arrest, but that arrest is not sufficient to block differentiation. Using the signaling-response map, we show that a TGFB1-mediated response underlies specific aberrant cells found in multiple lung diseases and identify interferon responses in COVID-19 patient samples. Thus, we offer a framework enabling systematic evaluation of tissue signaling responses.
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Affiliation(s)
- Katherine B Mccauley
- Department of Systems Biology, Harvard Medical School, Boston, MA, USA
- Disease Area X, Respiratory Therapeutic Area, Novartis Institutes for BioMedical Research, Cambridge, MA, USA
| | - Kalki Kukreja
- Department of Systems Biology, Harvard Medical School, Boston, MA, USA
| | - Aron B Jaffe
- Disease Area X, Respiratory Therapeutic Area, Novartis Institutes for BioMedical Research, Cambridge, MA, USA
- Current address: Chroma Medicine, Boston, MA, USA
| | - Allon M Klein
- Department of Systems Biology, Harvard Medical School, Boston, MA, USA
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Kramer BW, Niklas V, Abman S. Bronchopulmonary Dysplasia and Impaired Neurodevelopment-What May Be the Missing Link? Am J Perinatol 2022; 39:S14-S17. [PMID: 36318942 DOI: 10.1055/s-0042-1756677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Bronchopulmonary dysplasia (BPD) and poor neurodevelopmental outcome after preterm birth are closely associated. However, mechanistic links are uncertain. We are exploring the hypothesis that decreased circulating insulin-like growth factor (IGF)-1 after preterm birth due to the abrupt end of supply by the placenta impairs growth during critical windows of development in most organs, including the lung and brain. Throughout gestation, the fetus uses glycolysis as its main source of energy. Metabolism is mainly stopped at pyruvate, which serves as a "metabolic crossroad", allowing for the production of amino acids and other "building blocks" for new cells. Metabolic pathways are differentially regulated in the nucleus and the cytoplasm. The ratio between pyruvate dehydrogenase (PDH) and pyruvate dehydrogenase kinase (PDK) determines the biochemical activity which irreversibly metabolizes pyruvate to acetyl-co-A. Metabolites in the nucleus modulate epigenetic remodeling, an essential mechanism of normal growth and maturation during development. IGF-1 has been shown to contribute significantly to the development of virtually all organs, especially related to the regulation of microvascular growth, based on extensive studies of the brain, retina, lung, and intestine. With a preterm birth, the abrupt withdrawal of the placental supply of IGF-1 and its local production directly affects metabolism and microvascular development, which may contribute to a high risk for organ maldevelopment and injury after birth. We speculate that reduced bioavailability of IGF-1 is a possible link between lung and brain development disruption and increases susceptibility for major pulmonary and neurocognitive morbidities in preterm babies. KEY POINTS: · Metabolic changes inherent to prterm birth may cause epigenetic changes which cause "dysmaturational" development.. · IGF-1 may be the potential link between BPD and brain development.. · The ratio between pyruvate dehydrogenase and pyruvate dehydrogenase kinase determines the biochemical activity..
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Affiliation(s)
- Boris W Kramer
- University of Western Australia, Subiaco, Western Australia, Australia.,Neuroplast BV, Maastricht, The Netherlands
| | - Victoria Niklas
- Oak Hill Bio Ltd., 1 Ashley Road, Altrincham, Cheshire, United Kingdom
| | - Steven Abman
- Department of Pediatrics and Division of Pulmonology, University of Colorado Anschutz Medical Center, Aurora, Colorado
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7
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ZeXie decoction alleviates non-alcoholic fatty liver disease in rats: The study of genes, lipids, and gut microbiotas. Biochem Biophys Res Commun 2022; 632:129-138. [DOI: 10.1016/j.bbrc.2022.09.097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 09/17/2022] [Accepted: 09/24/2022] [Indexed: 11/23/2022]
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Kheirollahi V, Khadim A, Kiliaris G, Korfei M, Barroso MM, Alexopoulos I, Vazquez-Armendariz AI, Wygrecka M, Ruppert C, Guenther A, Seeger W, Herold S, El Agha E. Transcriptional Profiling of Insulin-like Growth Factor Signaling Components in Embryonic Lung Development and Idiopathic Pulmonary Fibrosis. Cells 2022; 11:cells11121973. [PMID: 35741102 PMCID: PMC9221724 DOI: 10.3390/cells11121973] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/15/2022] [Accepted: 06/16/2022] [Indexed: 02/01/2023] Open
Abstract
Insulin-like growth factor (IGF) signaling controls the development and growth of many organs, including the lung. Loss of function of Igf1 or its receptor Igf1r impairs lung development and leads to neonatal respiratory distress in mice. Although many components of the IGF signaling pathway have shown to be dysregulated in idiopathic pulmonary fibrosis (IPF), the expression pattern of such components in different cellular compartments of the developing and/or fibrotic lung has been elusive. In this study, we provide a comprehensive transcriptional profile for such signaling components during embryonic lung development in mice, bleomycin-induced pulmonary fibrosis in mice and in human IPF lung explants. During late gestation, we found that Igf1 is upregulated in parallel to Igf1r downregulation in the lung mesenchyme. Lung tissues derived from bleomycin-treated mice and explanted IPF lungs revealed upregulation of IGF1 in parallel to downregulation of IGF1R, in addition to upregulation of several IGF binding proteins (IGFBPs) in lung fibrosis. Finally, treatment of IPF lung fibroblasts with recombinant IGF1 led to myogenic differentiation. Our data serve as a resource for the transcriptional profile of IGF signaling components and warrant further research on the involvement of this pathway in both lung development and pulmonary disease.
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Affiliation(s)
- Vahid Kheirollahi
- Department of Medicine II, Internal Medicine, Pulmonary and Critical Care, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany; (V.K.); (A.K.); (G.K.); (M.K.); (M.M.B.); (I.A.); (A.I.V.-A.); (M.W.); (C.R.); (A.G.); (W.S.); (S.H.)
- Department of Medicine V, Internal Medicine, Infectious Diseases and Infection Control, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Cardio-Pulmonary Institute (CPI), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Institute for Lung Health (ILH), Justus-Liebig University Giessen, 35392 Giessen, Germany
| | - Ali Khadim
- Department of Medicine II, Internal Medicine, Pulmonary and Critical Care, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany; (V.K.); (A.K.); (G.K.); (M.K.); (M.M.B.); (I.A.); (A.I.V.-A.); (M.W.); (C.R.); (A.G.); (W.S.); (S.H.)
- Department of Medicine V, Internal Medicine, Infectious Diseases and Infection Control, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Cardio-Pulmonary Institute (CPI), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Institute for Lung Health (ILH), Justus-Liebig University Giessen, 35392 Giessen, Germany
| | - Georgios Kiliaris
- Department of Medicine II, Internal Medicine, Pulmonary and Critical Care, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany; (V.K.); (A.K.); (G.K.); (M.K.); (M.M.B.); (I.A.); (A.I.V.-A.); (M.W.); (C.R.); (A.G.); (W.S.); (S.H.)
- Department of Medicine V, Internal Medicine, Infectious Diseases and Infection Control, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Cardio-Pulmonary Institute (CPI), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Institute for Lung Health (ILH), Justus-Liebig University Giessen, 35392 Giessen, Germany
| | - Martina Korfei
- Department of Medicine II, Internal Medicine, Pulmonary and Critical Care, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany; (V.K.); (A.K.); (G.K.); (M.K.); (M.M.B.); (I.A.); (A.I.V.-A.); (M.W.); (C.R.); (A.G.); (W.S.); (S.H.)
- Cardio-Pulmonary Institute (CPI), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Institute for Lung Health (ILH), Justus-Liebig University Giessen, 35392 Giessen, Germany
| | - Margarida Maria Barroso
- Department of Medicine II, Internal Medicine, Pulmonary and Critical Care, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany; (V.K.); (A.K.); (G.K.); (M.K.); (M.M.B.); (I.A.); (A.I.V.-A.); (M.W.); (C.R.); (A.G.); (W.S.); (S.H.)
- Department of Medicine V, Internal Medicine, Infectious Diseases and Infection Control, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Cardio-Pulmonary Institute (CPI), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Institute for Lung Health (ILH), Justus-Liebig University Giessen, 35392 Giessen, Germany
| | - Ioannis Alexopoulos
- Department of Medicine II, Internal Medicine, Pulmonary and Critical Care, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany; (V.K.); (A.K.); (G.K.); (M.K.); (M.M.B.); (I.A.); (A.I.V.-A.); (M.W.); (C.R.); (A.G.); (W.S.); (S.H.)
- Department of Medicine V, Internal Medicine, Infectious Diseases and Infection Control, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Cardio-Pulmonary Institute (CPI), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Institute for Lung Health (ILH), Justus-Liebig University Giessen, 35392 Giessen, Germany
| | - Ana Ivonne Vazquez-Armendariz
- Department of Medicine II, Internal Medicine, Pulmonary and Critical Care, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany; (V.K.); (A.K.); (G.K.); (M.K.); (M.M.B.); (I.A.); (A.I.V.-A.); (M.W.); (C.R.); (A.G.); (W.S.); (S.H.)
- Department of Medicine V, Internal Medicine, Infectious Diseases and Infection Control, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Cardio-Pulmonary Institute (CPI), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Institute for Lung Health (ILH), Justus-Liebig University Giessen, 35392 Giessen, Germany
| | - Malgorzata Wygrecka
- Department of Medicine II, Internal Medicine, Pulmonary and Critical Care, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany; (V.K.); (A.K.); (G.K.); (M.K.); (M.M.B.); (I.A.); (A.I.V.-A.); (M.W.); (C.R.); (A.G.); (W.S.); (S.H.)
- Cardio-Pulmonary Institute (CPI), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Institute for Lung Health (ILH), Justus-Liebig University Giessen, 35392 Giessen, Germany
| | - Clemens Ruppert
- Department of Medicine II, Internal Medicine, Pulmonary and Critical Care, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany; (V.K.); (A.K.); (G.K.); (M.K.); (M.M.B.); (I.A.); (A.I.V.-A.); (M.W.); (C.R.); (A.G.); (W.S.); (S.H.)
- Cardio-Pulmonary Institute (CPI), Justus-Liebig University Giessen, 35392 Giessen, Germany
| | - Andreas Guenther
- Department of Medicine II, Internal Medicine, Pulmonary and Critical Care, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany; (V.K.); (A.K.); (G.K.); (M.K.); (M.M.B.); (I.A.); (A.I.V.-A.); (M.W.); (C.R.); (A.G.); (W.S.); (S.H.)
- Cardio-Pulmonary Institute (CPI), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Institute for Lung Health (ILH), Justus-Liebig University Giessen, 35392 Giessen, Germany
| | - Werner Seeger
- Department of Medicine II, Internal Medicine, Pulmonary and Critical Care, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany; (V.K.); (A.K.); (G.K.); (M.K.); (M.M.B.); (I.A.); (A.I.V.-A.); (M.W.); (C.R.); (A.G.); (W.S.); (S.H.)
- Department of Medicine V, Internal Medicine, Infectious Diseases and Infection Control, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Cardio-Pulmonary Institute (CPI), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Institute for Lung Health (ILH), Justus-Liebig University Giessen, 35392 Giessen, Germany
| | - Susanne Herold
- Department of Medicine II, Internal Medicine, Pulmonary and Critical Care, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany; (V.K.); (A.K.); (G.K.); (M.K.); (M.M.B.); (I.A.); (A.I.V.-A.); (M.W.); (C.R.); (A.G.); (W.S.); (S.H.)
- Department of Medicine V, Internal Medicine, Infectious Diseases and Infection Control, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Cardio-Pulmonary Institute (CPI), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Institute for Lung Health (ILH), Justus-Liebig University Giessen, 35392 Giessen, Germany
| | - Elie El Agha
- Department of Medicine II, Internal Medicine, Pulmonary and Critical Care, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany; (V.K.); (A.K.); (G.K.); (M.K.); (M.M.B.); (I.A.); (A.I.V.-A.); (M.W.); (C.R.); (A.G.); (W.S.); (S.H.)
- Department of Medicine V, Internal Medicine, Infectious Diseases and Infection Control, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Cardio-Pulmonary Institute (CPI), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Institute for Lung Health (ILH), Justus-Liebig University Giessen, 35392 Giessen, Germany
- Correspondence:
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9
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Zazara DE, Wegmann M, Giannou AD, Hierweger AM, Alawi M, Thiele K, Huber S, Pincus M, Muntau AC, Solano ME, Arck PC. A prenatally disrupted airway epithelium orchestrates the fetal origin of asthma in mice. J Allergy Clin Immunol 2020; 145:1641-1654. [PMID: 32305348 DOI: 10.1016/j.jaci.2020.01.050] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 12/27/2019] [Accepted: 01/29/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND Prenatal challenges such as maternal stress perception increase the risk and severity of asthma during childhood. However, insights into the trajectories and targets underlying the pathogenesis of prenatally triggered asthma are largely unknown. The developing lung and immune system may constitute such targets. OBJECTIVE Here we have aimed to identify the differential sex-specific effects of prenatal challenges on lung function, immune response, and asthma severity in mice. METHODS We generated bone marrow chimeric (BMC) mice harboring either prenatally stress-exposed lungs or a prenatally stress-exposed immune (hematopoietic) system and induced allergic asthma via ovalbumin. Next-generation sequencing (RNA sequencing) of lungs and assessment of airway epithelial barrier function in ovalbumin-sensitized control and prenatally stressed offspring was also performed. RESULTS Profoundly enhanced airway hyperresponsiveness, inflammation, and fibrosis were exclusively present in female BMC mice with prenatally stress-exposed lungs. These effects were significantly perpetuated if both the lungs and the immune system had been exposed to prenatal stress. A prenatally stress-exposed immune system alone did not suffice to increase the severity of these asthma features. RNA sequencing analysis of lungs from prenatally stressed, non-BMC, ovalbumin-sensitized females unveiled a deregulated expression of genes involved in asthma pathogenesis, tissue remodeling, and tight junction formation. It was also possible to independently confirm a tight junction disruption. In line with this, we identified an altered perinatal and/or postnatal expression of genes involved in lung development along with an impaired alveolarization in female prenatally stressed mice. CONCLUSION Here we have shown that the fetal origin of asthma is orchestrated by a disrupted airway epithelium and further perpetuated by a predisposed immune system.
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Affiliation(s)
- Dimitra E Zazara
- Department of Obstetrics and Prenatal Medicine, Laboratory for Experimental Feto-Maternal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Michael Wegmann
- Division of Asthma Exacerbation & Regulation, Priority Area Asthma and Allergy, Leibniz Lung Center Borstel, Airway Research Center North, Member of the German Center for Lung Research, Borstel, Germany
| | - Anastasios D Giannou
- I. Medizinische Klinik und Poliklinik, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany
| | - Alexandra Maximiliane Hierweger
- Department of Obstetrics and Prenatal Medicine, Laboratory for Experimental Feto-Maternal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Institute for Immunology, Center for Diagnostics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Malik Alawi
- Bioinformatics Core, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Kristin Thiele
- Department of Obstetrics and Prenatal Medicine, Laboratory for Experimental Feto-Maternal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Samuel Huber
- I. Medizinische Klinik und Poliklinik, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany
| | - Maike Pincus
- Pediatrics and Pediatric Pneumology Practice, Berlin, Germany
| | - Ania C Muntau
- University Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Maria Emilia Solano
- Department of Obstetrics and Prenatal Medicine, Laboratory for Experimental Feto-Maternal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Petra C Arck
- Department of Obstetrics and Prenatal Medicine, Laboratory for Experimental Feto-Maternal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
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10
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Ren Y, Yin S, Lin Y, Xu X. Insulin-like growth factor-binding proteins play a significant role in the molecular response to imatinib in chronic myeloid leukemia patients. Exp Ther Med 2020; 19:1771-1778. [PMID: 32104232 PMCID: PMC7027099 DOI: 10.3892/etm.2019.8364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 11/21/2019] [Indexed: 11/23/2022] Open
Abstract
Imatinib (IM) is successfully used in the majority of patients with chronic myeloid leukemia (CML), but some patients develop resistance to drug treatment. Insufficient apoptosis results in uncontrolled cell proliferation, which is closely associated with the occurrence of drug resistance. Therefore, it is crucial to identify new biomarkers related to drug resistance. This aim of the present study was to investigate the profile of apoptosis-related proteins in K562 and K562/G (IM-resistant K562 cells) cells, in order to identify new biomarkers. A human apoptosis antibody array was used to screen 46 proteins in the two cells lines, among which 20 proteins were found to be differentially expressed between K562 and K562/G cells. The major proteins included secreted caspase-8, insulin-like growth factor-binding protein (IGFBP)-1, IGFBP-2, IGFBP-3, caspase-3 and p27. IGFBP-1 IGFBP-2 and IGFBP-3 were selected for the follow-up study. Subsequently, reverse transcription-quantitative PCR analysis and western blotting were used to detect the expression levels of the IGFBPs. The results revealed that the expression levels of IGFBP-2 and IGFBP-3 in K562/G cells were significantly decreased compared with those in K562 cells, whereas the IGFBP-1 level was higher. Moreover, no significant correlation was observed between IGFBP-1 or IGFBP-2 and the level of the BCR-ABL fusion protein, whereas decreasing IGFBP-3 levels were associated with increasing BCR-ABL levels. These results suggested that IGFBP-1, IGFBP-2 and IGFBP-3 could be useful novel biomarkers for IM resistance in CML.
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Affiliation(s)
- Yingli Ren
- Central Laboratory, Anhui Provincial Hospital, Anhui Medical University, Hefei, Anhui 230001, P.R. China
| | - Shihong Yin
- Central Laboratory, Anhui Provincial Hospital, Anhui Medical University, Hefei, Anhui 230001, P.R. China
| | - Ya Lin
- Central Laboratory, Anhui Provincial Hospital, Anhui Medical University, Hefei, Anhui 230001, P.R. China
| | - Xiucai Xu
- Central Laboratory, Anhui Provincial Hospital, Anhui Medical University, Hefei, Anhui 230001, P.R. China
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11
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Martin A, Venara M, Mathó C, Olea FD, Fernández MC, Pennisi PA. Fibroblast deficiency of insulin-like growth factor 1 receptor type 1 (IGF1R) impairs initial steps of murine pheochromocytoma development. Biochimie 2019; 163:108-116. [PMID: 31185266 DOI: 10.1016/j.biochi.2019.06.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 06/05/2019] [Indexed: 01/26/2023]
Abstract
Insulin-like growth factor 1 (IGF1) has a critical role in maintaining tumor phenotype and survival of already transformed murine pheochromocytoma (pheo) cells (MPC4/30) and it is required for the initial establishment of these tumors. However, the role of local IGF1/IGF1R system in tumor microenvironment has not been fully understood. In vivo, by subcutaneous injection of pheo cells in heterozygous IGF1R knockout mice (L/n), we found that the time of noticeable tumor appearance was delayed, and incidence was decreased in L/n group compared to control (L/L) mice. Once established, tumor proliferation, vascularization or growth rate did not differ between groups. In vitro, fibroblast from L/n and L/L mice were cultured to generate conditioned media (CM) and differential matrixes on which pheo cells were seeded. Proliferation rate was higher when pheo cells were cultured with CM, or in differential matrix generated by L/L murine fibroblasts. A diminished fibronectin (FN) expression and secretion from L/n fibroblast was associated with decreased expression of integrin subunits in tumor cells. Also, soluble factors as IGF1 and insulin-like growth factor binding protein 2 (IGFBP2) were reduced. Our data suggest that IGF1 signaling through IGF1R may contribute to tumor cells anchorage and survival by interaction with both matrix and soluble factors produced by tumor microenvironment fibroblasts.
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Affiliation(s)
- Ayelen Martin
- Centro de Investigaciones Endocrinológicas Dr. César Bergadá, CEDIE, CONICET-FEI- División de Endocrinología, Hospital de Niños Dr. Ricardo Gutiérrez, Gallo 1330, Ciudad Autónoma de Buenos Aires, C1425EFD, Argentina
| | - Marcela Venara
- Centro de Investigaciones Endocrinológicas Dr. César Bergadá, CEDIE, CONICET-FEI- División de Endocrinología, Hospital de Niños Dr. Ricardo Gutiérrez, Gallo 1330, Ciudad Autónoma de Buenos Aires, C1425EFD, Argentina
| | - Cecilia Mathó
- Centro de Investigaciones Endocrinológicas Dr. César Bergadá, CEDIE, CONICET-FEI- División de Endocrinología, Hospital de Niños Dr. Ricardo Gutiérrez, Gallo 1330, Ciudad Autónoma de Buenos Aires, C1425EFD, Argentina
| | - Fernanda D Olea
- Instituto de Medicina Traslacional, Transplante y Bioingeniería IMETTYB- CONICET- Universidad Favaloro, Solis 453, Ciudad Autónoma de Buenos Aires, C1078AAH, Argentina
| | - María Celia Fernández
- Centro de Investigaciones Endocrinológicas Dr. César Bergadá, CEDIE, CONICET-FEI- División de Endocrinología, Hospital de Niños Dr. Ricardo Gutiérrez, Gallo 1330, Ciudad Autónoma de Buenos Aires, C1425EFD, Argentina
| | - Patricia A Pennisi
- Centro de Investigaciones Endocrinológicas Dr. César Bergadá, CEDIE, CONICET-FEI- División de Endocrinología, Hospital de Niños Dr. Ricardo Gutiérrez, Gallo 1330, Ciudad Autónoma de Buenos Aires, C1425EFD, Argentina.
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Yang J, Zhou J, Cui B, Yu T. Evaluation of Hypoxia on the Expression of miR-646/IGF-1 Signaling in Human Periodontal Ligament Cells (hPDLCs). Med Sci Monit 2018; 24:5282-5291. [PMID: 30058629 PMCID: PMC6080579 DOI: 10.12659/msm.910163] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Background This study aims to investigate the role of miR-646 in hypoxia conditions in human periodontal ligament cells (hPDLCs), exploring the effect of hypoxia on hPDLCs proliferation and apoptosis. In addition, this study aimed to explore the potential mechanism of miR-646/IGF-1 signaling in hPDLCs in hypoxia conditions. Material/Methods hPDLCs (fifth passage) cultured by the tissue culture method were randomly assigned to the severe hypoxia (1% O2) group, the slight hypoxia (5% O2) group or the control (21% O2) group. Then reverse transcription quantitative real-time polymerase chain reaction and western blot analysis were used to detect the mRNA and protein expression of miR-646 and IGF-1. hPDLCs infected with lentivirus (LV)-pre-miR-646 or LV-anti-mR-646, and negative controls were cultured. MTT assay, caspase-3 ELISA assay, and wound healing assay were performed to evaluate how miR-646 was influenced by hypoxia. In addition, the relationship between miR-646 and IGF-1 was explored. Results The expression of miR-646 was downregulated and IGF-1 was upregulated in hypoxia conditions. MiR-646 was able to suppress hPDLCs proliferation and promote apoptosis in hypoxia conditions. The mRNA and protein expressions of IGF-1 were downregulated when miR-646 was overexpressed and upregulated when miR-646 was downregulated. Conclusions This finding identified a significant role of miR-646 in hPDLCs in suppressing cell proliferation and promoting apoptosis by inversely regulating IGF-1 expression. Meanwhile, the regulation of hPDLCs in hypoxia may be through the miR-646/IGF-1 signaling pathway, probably serving as a promising therapeutic target for periodontal diseases.
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Affiliation(s)
- Jun Yang
- Department of Stomatology, Leshan People Hospital, Leshan, Sichuan, China (mainland)
| | - Jing Zhou
- Department of Psychosomatic Medicine, Leshan People Hospital, Leshan, Sichuan, China (mainland)
| | - BoMiao Cui
- Key Laboratory of Oral State of West China College, Sichuan University, Chengdu, Sichuan, China (mainland)
| | - TaiPing Yu
- Department of Stomatology, Leshan People Hospital, Leshan, Sichuan, China (mainland)
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Insulin-Like Growth Factor-1 Signaling in Lung Development and Inflammatory Lung Diseases. BIOMED RESEARCH INTERNATIONAL 2018; 2018:6057589. [PMID: 30018981 PMCID: PMC6029485 DOI: 10.1155/2018/6057589] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Accepted: 03/06/2018] [Indexed: 12/19/2022]
Abstract
Insulin-like growth factor-1 (IGF-1) was firstly identified as a hormone that mediates the biological effects of growth hormone. Accumulating data have indicated the role of IGF-1 signaling pathway in lung development and diseases such as congenital disorders, cancers, inflammation, and fibrosis. IGF-1 signaling modulates the development and differentiation of many types of lung cells, including airway basal cells, club cells, alveolar epithelial cells, and fibroblasts. IGF-1 signaling deficiency results in alveolar hyperplasia in humans and disrupted lung architecture in animal models. The components of IGF-1 signaling pathways are potentiated as biomarkers as they are dysregulated locally or systemically in lung diseases, whereas data may be inconsistent or even paradoxical among different studies. The usage of IGF-1-based therapeutic agents urges for more researches in developmental disorders and inflammatory lung diseases, as the majority of current data are collected from limited number of animal experiments and are generally less exuberant than those in lung cancer. Elucidation of these questions by further bench-to-bedside researches may provide us with rational clinical diagnostic approaches and agents concerning IGF-1 signaling in lung diseases.
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14
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Intrauterine smoke exposure deregulates lung function, pulmonary transcriptomes, and in particular insulin-like growth factor (IGF)-1 in a sex-specific manner. Sci Rep 2018; 8:7547. [PMID: 29765129 PMCID: PMC5953988 DOI: 10.1038/s41598-018-25762-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Accepted: 04/30/2018] [Indexed: 12/13/2022] Open
Abstract
Prenatal exposure to tobacco smoke is a significant risk-factor for airway disease development. Furthermore, the high prevalence of pregnant smoking women requires the establishment of strategies for offspring lung protection. Therefore, we here aimed to understand the molecular mechanism of how prenatal smoke exposure affects fetal lung development. We used a mouse model recapitulating clinical findings of prenatally exposed children, where pregnant mice were exposed to smoke until c-section or spontaneous delivery, and offspring weight development and lung function was monitored. Additionally, we investigated pulmonary transcriptome changes in fetal lungs (GD18.5) by mRNA/miRNA arrays, network analyses and qPCR. The results demonstrated that prenatally exposed mice showed intrauterine and postnatal growth retardation, and impaired lung function. 1340 genes and 133 miRNAs were found to be significantly dysregulated by in utero smoke exposure, and we identified Insulin-like growth factor 1 (Igf1) as a top hierarchical node in a network analysis. Moreover, Igf1 mRNA was increased in female murine offspring and in prenatally exposed children. These findings suggest that prenatal smoking is associated with a dysregulation of several genes, including Igf1 in a sex-specific manner. Thus, our results could represent a novel link between smoke exposure, abberant lung development and impaired lung function.
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15
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Zou Y, Dong Y, Meng Q, Zhao Y, Li N. Incorporation of a skeletal muscle-specific enhancer in the regulatory region of Igf1 upregulates IGF1 expression and induces skeletal muscle hypertrophy. Sci Rep 2018; 8:2781. [PMID: 29426944 PMCID: PMC5807547 DOI: 10.1038/s41598-018-21122-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Accepted: 01/24/2018] [Indexed: 11/09/2022] Open
Abstract
In this study, we upregulated insulin-like growth factor-1 (IGF1) expression specifically in skeletal muscle by engineering an enhancer into its non-coding regions and verified the expected phenotype in a mouse model. To select an appropriate site for introducing a skeletal muscle-specific myosin light chain (MLC) enhancer, three candidate sites that exhibited the least evolutionary conservation were chosen and validated in C2C12 single-cell colonies harbouring the MLC enhancer at each site. IGF1 was dramatically upregulated in only the site 2 single-cell colony series, and it exhibited functional activity leading to the formation of extra myotubes. Therefore, we chose site 2 to generate a genetically modified (GM) mouse model with the MLC enhancer incorporated by CRISPR/Cas9 technology. The GM mice exhibited dramatically elevated IGF1 levels, which stimulated downstream pathways in skeletal muscle. Female GM mice exhibited more conspicuous muscle hypertrophy than male GM mice. The GM mice possessed similar circulating IGF1 levels and tibia length as their WT littermates; they also did not exhibit heart abnormalities. Our findings demonstrate that genetically modifying a non-coding region is a feasible method to upregulate gene expression and obtain animals with desirable traits.
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Affiliation(s)
- Yunlong Zou
- State Key Laboratory for Agrobiotechnology, China Agricultural University, Beijing, 100193, P. R. China
| | - Yanjun Dong
- College of Veterinary Medicine, China Agricultural University, Beijing, 100193, P. R. China
| | - Qingyong Meng
- State Key Laboratory for Agrobiotechnology, China Agricultural University, Beijing, 100193, P. R. China
| | - Yaofeng Zhao
- State Key Laboratory for Agrobiotechnology, China Agricultural University, Beijing, 100193, P. R. China.
| | - Ning Li
- State Key Laboratory for Agrobiotechnology, China Agricultural University, Beijing, 100193, P. R. China.
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16
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Johnson SC. Nutrient Sensing, Signaling and Ageing: The Role of IGF-1 and mTOR in Ageing and Age-Related Disease. Subcell Biochem 2018; 90:49-97. [PMID: 30779006 DOI: 10.1007/978-981-13-2835-0_3] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Nutrient signaling through insulin/IGF-1 was the first pathway demonstrated to regulate ageing and age-related disease in model organisms. Pharmacological or dietary interventions targeting nutrient signaling pathways have been shown to robustly attenuate ageing in many organisms. Caloric restriction, the most widely studied longevity promoting intervention, works through multiple nutrient signaling pathways, while inhibition of mTOR through treatment with rapamycin reproducibly delays ageing and disease through specific inhibition of the mTOR complexes. Although the benefits of reduced insulin/IGF-1 in lifespan and health are well documented in model organisms, defining the precise role of the IGF-1 in human ageing and age-related disease has proven more difficult. Association studies provide some insight but also reveal paradoxes. Low serum IGF-1 predicts longevity, but IGF-1 decreases with age and IGF-1 therapy benefits some of age-related pathologies. Circulating IGF-1 has been associated both positively and negatively with risk of age-related diseases in humans, and in some cases both activation and inhibition of IGF-1 signaling have provided benefit in animal models of the same diseases. Interventions designed modulate the nutrient sensing signaling pathways positively or negatively are already available for clinical use, highlighting the need for a clear understanding of the role of nutrient signaling in ageing and age-related disease. This chapter examines data from model organisms and human genetic association studies, with a special emphasis on IGF-1 and mTOR, and discusses potential models for resolving the paradoxes surrounding IGF-1 data.
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Affiliation(s)
- Simon C Johnson
- Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, WA, USA.
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17
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Gomi K, Tang Y, Arbelaez V, Crystal RG, Walters MS. Endothelial Cell Mediated Promotion of Ciliated Cell Differentiation of Human Airway Basal Cells via Insulin and Insulin-Like Growth Factor 1 Receptor Mediated Signaling. Stem Cell Rev Rep 2017; 13:309-317. [PMID: 28050756 DOI: 10.1007/s12015-016-9707-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Human airway basal cells (BC) function as stem/progenitor cells of the human airway epithelium, capable of differentiating into ciliated and secretory cells during turnover and repair. The positioning of BC along the basement membrane allows for potential paracrine signaling from non-epithelial cells in the mesenchyme to regulate BC function. Based on the knowledge that interaction between the airway epithelium and mesenchyme is critical for proper maintenance of both tissues, and that endothelial cells (EC) can regulate multiple functions of BC, the present study was designed to help understand the role of BC and EC cross-talk in regulating BC stem/progenitor function. Using an in vitro co-culture system that mimics the in vivo physical separation of these cell types, we assessed the impact of primary lung microvascular EC on differentiation of primary BC into a mucociliated epithelium. The data demonstrate that co-culture of BC and lung microvasculature EC results in increased ciliated cell differentiation of BC via activation of insulin (INS) and insulin-like growth factor 1 (IGF1) receptor (INSR and IGF1R) mediated signaling in BC. Consistent with this data, siRNA mediated knockdown of INSR and IGF1R in BC suppressed ciliated cell differentiation. Together these findings identify an important signaling pathway required for differentiation of BC into a ciliated cells and demonstrate the importance of BC-EC cross-talk in regulating normal airway epithelial structure.
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Affiliation(s)
- Kazunori Gomi
- Department of Genetic Medicine, Weill Cornell Medical College, 1300 York Avenue, Box 164, New York, NY, 10065, USA
| | - Yongjiang Tang
- Department of Genetic Medicine, Weill Cornell Medical College, 1300 York Avenue, Box 164, New York, NY, 10065, USA
| | - Vanessa Arbelaez
- Department of Genetic Medicine, Weill Cornell Medical College, 1300 York Avenue, Box 164, New York, NY, 10065, USA
| | - Ronald G Crystal
- Department of Genetic Medicine, Weill Cornell Medical College, 1300 York Avenue, Box 164, New York, NY, 10065, USA
| | - Matthew S Walters
- Department of Genetic Medicine, Weill Cornell Medical College, 1300 York Avenue, Box 164, New York, NY, 10065, USA. .,Pulmonary, Critical Care & Sleep Medicine, Department of Medicine, University of Oklahoma Health Sciences Center, 800 N. Research Parkway, Building 800, 4th Floor, Rm 410, Oklahoma City, OK, 73104, USA.
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Sun M, Ramchandran R, Chen J, Yang Q, Raj JU. Smooth Muscle Insulin-Like Growth Factor-1 Mediates Hypoxia-Induced Pulmonary Hypertension in Neonatal Mice. Am J Respir Cell Mol Biol 2017; 55:779-791. [PMID: 27438786 DOI: 10.1165/rcmb.2015-0388oc] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Insulin-like growth factor (IGF)-1 is a potent mitogen of vascular smooth muscle cells (SMCs), but its role in pulmonary vascular remodeling associated with pulmonary hypertension (PH) is not clear. In an earlier study, we implicated IGF-1 in the pathogenesis of hypoxia-induced PH in neonatal mice. In this study, we hypothesized that hypoxia-induced up-regulation of IGF-1 in vascular smooth muscle is directly responsible for pulmonary vascular remodeling and PH. We studied neonatal and adult mice with smooth muscle-specific deletion of IGF-1 and also used an inhibitor of IGF-1 receptor (IGF-1R), OSI-906, in neonatal mice. We found that, in neonatal mice, SMC-specific deletion of IGF-1 or IGF-1R inhibition with OSI-906 attenuated hypoxia-induced pulmonary vascular remodeling in small arteries, right ventricular hypertrophy, and right ventricular systolic pressure. Pulmonary arterial SMCs from IGF-1-deleted mice or after OSI-906 treatment exhibited reduced proliferative potential. However, in adult mice, smooth muscle-specific deletion of IGF-1 had no effect on hypoxia-induced PH. Our data suggest that vascular smooth muscle-derived IGF-1 plays a critical role in hypoxia-induced PH in neonatal mice but not in adult mice. We speculate that the IGF-1/IGF-1R axis is important in pathogenesis of PH in the developing lung and may be amenable to therapeutic manipulation in this age group.
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Affiliation(s)
| | | | - Jiwang Chen
- 2 Section of Pulmonary, Critical Care Medicine, Sleep and Allergy, Department of Medicine, University of Illinois College of Medicine, and
| | | | - J Usha Raj
- 1 Department of Pediatrics.,3 Children's Hospital, University of Illinois, Chicago, Illinois
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Piñeiro-Hermida S, López IP, Alfaro-Arnedo E, Torrens R, Iñiguez M, Alvarez-Erviti L, Ruíz-Martínez C, Pichel JG. IGF1R deficiency attenuates acute inflammatory response in a bleomycin-induced lung injury mouse model. Sci Rep 2017; 7:4290. [PMID: 28655914 PMCID: PMC5487362 DOI: 10.1038/s41598-017-04561-4] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Accepted: 05/17/2017] [Indexed: 01/13/2023] Open
Abstract
IGF1R (Insulin-like Growth Factor 1 Receptor) is a tyrosine kinase with pleiotropic cellular functions. IGF activity maintains human lung homeostasis and is implicated in pulmonary diseases such as cancer, ARDS, COPD, asthma and fibrosis. Here we report that lung transcriptome analysis in mice with a postnatally-induced Igf1r gene deletion showed differentially expressed genes with potentially protective roles related to epigenetics, redox and oxidative stress. After bleomycin-induced lung injury, IGF1R-deficient mice demonstrated improved survival within a week. Three days post injury, IGF1R-deficient lungs displayed changes in expression of IGF system-related genes and reduced vascular fragility and permeability. Mutant lungs presented reduced inflamed area, down-regulation of pro-inflammatory markers and up-regulation of resolution indicators. Decreased inflammatory cell presence in BALF was reflected in diminished lung infiltration mainly affecting neutrophils, also corroborated by reduced neutrophil numbers in bone marrow, as well as reduced lymphocyte and alveolar macrophage counts. Additionally, increased SFTPC expression together with hindered HIF1A expression and augmented levels of Gpx8 indicate that IGF1R deficiency protects against alveolar damage. These findings identify IGF1R as an important player in murine acute lung inflammation, suggesting that targeting IGF1R may counteract the inflammatory component of many lung diseases.
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Affiliation(s)
- Sergio Piñeiro-Hermida
- Lung Cancer and Respiratory Diseases Unit, Centro de Investigación Biomédica de La Rioja (CIBIR), Fundación Rioja Salud, Logroño, Spain
| | - Icíar P López
- Lung Cancer and Respiratory Diseases Unit, Centro de Investigación Biomédica de La Rioja (CIBIR), Fundación Rioja Salud, Logroño, Spain
| | - Elvira Alfaro-Arnedo
- Lung Cancer and Respiratory Diseases Unit, Centro de Investigación Biomédica de La Rioja (CIBIR), Fundación Rioja Salud, Logroño, Spain
| | - Raquel Torrens
- Lung Cancer and Respiratory Diseases Unit, Centro de Investigación Biomédica de La Rioja (CIBIR), Fundación Rioja Salud, Logroño, Spain
| | - María Iñiguez
- Genomics Core Facility, Centro de Investigación Biomédica de La Rioja (CIBIR), Fundación Rioja Salud, Logroño, Spain
| | - Lydia Alvarez-Erviti
- Molecular Neurobiology Unit, Centro de Investigación Biomédica de la Rioja (CIBIR), Fundación Rioja Salud, Logroño, Spain
| | | | - José G Pichel
- Lung Cancer and Respiratory Diseases Unit, Centro de Investigación Biomédica de La Rioja (CIBIR), Fundación Rioja Salud, Logroño, Spain.
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20
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Frías Á, Dickstein DP, Merranko J, Gill MK, Goldstein TR, Goldstein BI, Hower H, Yen S, Hafeman DM, Liao F, Diler R, Axelson D, Strober M, Hunt JI, Ryan ND, Keller MB, Birmaher B. Longitudinal cognitive trajectories and associated clinical variables in youth with bipolar disorder. Bipolar Disord 2017; 19:273-284. [PMID: 28653799 PMCID: PMC5517342 DOI: 10.1111/bdi.12510] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 03/31/2017] [Accepted: 05/09/2017] [Indexed: 01/04/2023]
Abstract
OBJECTIVE There is substantial interest in delineating the course of cognitive functioning in bipolar (BP) youth. However, there are no longitudinal studies aimed at defining subgroups of BP youth based on their distinctive cognitive trajectories and their associated clinical variables. METHOD Cognitive functioning was measured in 135 participants from the Course and Outcome of BP Youth (COBY) study using several subtests of the Cambridge Neuropsychological Test Automated Battery (CANTAB). Youth were prospectively evaluated three times on average every 13.75 months over 2.5 years. Clinical and functional outcomes were assessed using the Longitudinal Interval Follow-Up Evaluation (LIFE). RESULTS Latent class growth analysis identified three longitudinal patterns of cognitive functioning based on a general cognitive index: class 1, "persistently high" (N=21; 15.6%); class 2, "persistently moderate" (N=82; 60.74%); and class 3, "persistently low" (N=32; 23.7%). All classes showed normal cognitive functioning when compared with the CANTAB normative data. After adjustment for confounders, youth from class 3 had a significantly greater percentage of time with overall, manic, and depressive syndromal symptoms than youth in the other two classes. Also, after adjustment for confounders, youth from class 3 had significantly poorer global, academic, and social functioning than youth from class 1. CONCLUSIONS BP youth showed normal overall cognitive functioning that remained stable during the follow-up within each class. However, 24% of BP youth showed poorer cognitive functioning than the other BP youth. This subgroup had poorer mood course and functioning, and may benefit from cognitive remediation and early management with evidence-based pharmacological treatments.
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Affiliation(s)
- Álvaro Frías
- Adult Outpatient Mental Health Center, Consorci Sanitari del Maresme, Mataró, 08304, Spain,Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, 3811 O’Hara St., Pittsburgh, PA, 15213, USA
| | - Daniel P. Dickstein
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Box G-BH, Providence, RI, 02912, USA
| | - John Merranko
- Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, 3811 O’Hara St., Pittsburgh, PA, 15213, USA
| | - Mary Kay Gill
- Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, 3811 O’Hara St., Pittsburgh, PA, 15213, USA
| | - Tina R. Goldstein
- Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, 3811 O’Hara St., Pittsburgh, PA, 15213, USA
| | - Benjamin I. Goldstein
- Department of Psychiatry, Sunnybrook Health Sciences Centre, University of Toronto Faculty of Medicine, 2075 Bayview Ave., FG-53, Toronto, ON, M4N-3M5, Canada
| | - Heather Hower
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Box G-BH, Providence, RI, 02912, USA
| | - Shirley Yen
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Box G-BH, Providence, RI, 02912, USA
| | - Danella M. Hafeman
- Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, 3811 O’Hara St., Pittsburgh, PA, 15213, USA
| | - Fangzi Liao
- Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, 3811 O’Hara St., Pittsburgh, PA, 15213, USA
| | - Rasim Diler
- Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, 3811 O’Hara St., Pittsburgh, PA, 15213, USA
| | - David Axelson
- Department of Psychiatry, Nationwide Children’s Hospital and The Ohio State College of Medicine, 1670 Upham Dr., Columbus, OH, 43210, USA
| | - Michael Strober
- Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, University of California at Los Angeles, CA, 10833, USA
| | - Jeffrey I. Hunt
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Box G-BH, Providence, RI, 02912, USA
| | - Neal D. Ryan
- Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, 3811 O’Hara St., Pittsburgh, PA, 15213, USA
| | - Martin B. Keller
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Box G-BH, Providence, RI, 02912, USA
| | - Boris Birmaher
- Western Psychiatric Institute and Clinic, University of Pittsburgh School of Medicine, 3811 O’Hara St., Pittsburgh, PA, 15213, USA
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21
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Riesco A, Santos-Buitrago B, De Las Rivas J, Knapp M, Santos-García G, Talcott C. Epidermal Growth Factor Signaling towards Proliferation: Modeling and Logic Inference Using Forward and Backward Search. BIOMED RESEARCH INTERNATIONAL 2017; 2017:1809513. [PMID: 28191459 PMCID: PMC5278199 DOI: 10.1155/2017/1809513] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Accepted: 10/30/2016] [Indexed: 12/24/2022]
Abstract
In biological systems, pathways define complex interaction networks where multiple molecular elements are involved in a series of controlled reactions producing responses to specific biomolecular signals. These biosystems are dynamic and there is a need for mathematical and computational methods able to analyze the symbolic elements and the interactions between them and produce adequate readouts of such systems. In this work, we use rewriting logic to analyze the cellular signaling of epidermal growth factor (EGF) and its cell surface receptor (EGFR) in order to induce cellular proliferation. Signaling is initiated by binding the ligand protein EGF to the membrane-bound receptor EGFR so as to trigger a reactions path which have several linked elements through the cell from the membrane till the nucleus. We present two different types of search for analyzing the EGF/proliferation system with the help of Pathway Logic tool, which provides a knowledge-based development environment to carry out the modeling of the signaling. The first one is a standard (forward) search. The second one is a novel approach based on narrowing, which allows us to trace backwards the causes of a given final state. The analysis allows the identification of critical elements that have to be activated to provoke proliferation.
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Affiliation(s)
| | | | | | - Merrill Knapp
- Biosciences Division, SRI International, Menlo Park, CA, USA
| | | | - Carolyn Talcott
- Computer Science Laboratory, SRI International, Menlo Park, CA, USA
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22
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López IP, Piñeiro-Hermida S, Pais RS, Torrens R, Hoeflich A, Pichel JG. Involvement of Igf1r in Bronchiolar Epithelial Regeneration: Role during Repair Kinetics after Selective Club Cell Ablation. PLoS One 2016; 11:e0166388. [PMID: 27861515 PMCID: PMC5115747 DOI: 10.1371/journal.pone.0166388] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Accepted: 10/27/2016] [Indexed: 12/14/2022] Open
Abstract
Regeneration of lung epithelium is vital for maintaining airway function and integrity. An imbalance between epithelial damage and repair is at the basis of numerous chronic lung diseases such as asthma, COPD, pulmonary fibrosis and lung cancer. IGF (Insulin-like Growth Factors) signaling has been associated with most of these respiratory pathologies, although their mechanisms of action in this tissue remain poorly understood. Expression profiles analyses of IGF system genes performed in mouse lung support their functional implication in pulmonary ontogeny. Immuno-localization revealed high expression levels of Igf1r (Insulin-like Growth Factor 1 Receptor) in lung epithelial cells, alveolar macrophages and smooth muscle. To further understand the role of Igf1r in pulmonary homeostasis, two distinct lung epithelial-specific Igf1r mutant mice were generated and studied. The lack of Igf1r disturbed airway epithelial differentiation in adult mice, and revealed enhanced proliferation and altered morphology in distal airway club cells. During recovery after naphthalene-induced club cell injury, the kinetics of terminal bronchiolar epithelium regeneration was hindered in Igf1r mutants, revealing increased proliferation and delayed differentiation of club and ciliated cells. Amid airway restoration, lungs of Igf1r deficient mice showed increased levels of Igf1, Insr, Igfbp3 and epithelial precursor markers, reduced amounts of Scgb1a1 protein, and alterations in IGF signaling mediators. These results support the role of Igf1r in controlling the kinetics of cell proliferation and differentiation during pulmonary airway epithelial regeneration after injury.
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Affiliation(s)
- Icíar P López
- Centro de Investigación Biomédica de la Rioja (CIBIR), Fundación Rioja Salud, Logroño, Spain
| | - Sergio Piñeiro-Hermida
- Centro de Investigación Biomédica de la Rioja (CIBIR), Fundación Rioja Salud, Logroño, Spain
| | - Rosete S Pais
- Centro de Investigación Biomédica de la Rioja (CIBIR), Fundación Rioja Salud, Logroño, Spain
| | - Raquel Torrens
- Centro de Investigación Biomédica de la Rioja (CIBIR), Fundación Rioja Salud, Logroño, Spain
| | - Andreas Hoeflich
- Institute of Genome Biology, Leibniz-Institute for Farm Animal Biology (FBN), Dummerstorf, Germany
| | - José G Pichel
- Centro de Investigación Biomédica de la Rioja (CIBIR), Fundación Rioja Salud, Logroño, Spain
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23
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Chien CH, Lee MJ, Liou HC, Liou HH, Fu WM. Growth hormone is increased in the lungs and enhances experimental lung metastasis of melanoma in DJ-1 KO mice. BMC Cancer 2016; 16:871. [PMID: 27825319 PMCID: PMC5101681 DOI: 10.1186/s12885-016-2898-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Accepted: 10/30/2016] [Indexed: 12/21/2022] Open
Abstract
Background Growth hormone (GH) mainly serves an endocrine function to regulate somatic growth, but also serves an autocrine function in lung growth and pulmonary function. Several recent studies have demonstrated the role of autocrine GH in tumor progression in some organs. However, it is not clear whether excessive secretion of GH in the lungs is related to pulmonary nodule formation. Methods Firstly, the lung tissues dissected from mice were used for Western blotting and PCR measurement. Secondly, the cultured cells were used for examining effects of GH on B16F10 murine melanoma cells. Thirdly, male C57BL/6 mice were intravenously injected with B16F10 cells and then subcutaneously injected with recombinant GH twice per week for three weeks. Finally, stably transfected pool of B16F10 cells with knockdown of growth hormone receptor (GHR) was used to be injected into mice. Results We found that expression of GH was elevated in the lungs of DJ-1 knockout (KO) mice. We also examined the effects of GH on the growth of cultured melanoma cells. The results showed that GH increased proliferation, colony formation, and invasive capacity of B16F10 cells. In addition, GH also increased the expression of matrix metalloproteinases (MMPs) in B16F10 cells. Administration of GH in vivo enhanced lung nodule formation in C57/B6 mice. Increased lung nodule formation in DJ-1 KO mice following intravenous injection of melanoma cells was inhibited by GHR knockdown in B16F10 cells. Conclusions These results indicate that up-regulation of GH in the lungs of DJ-1 KO mice may enhance the malignancy of B16F10 cells and nodule formation in pulmonary metastasis of melanoma. Electronic supplementary material The online version of this article (doi:10.1186/s12885-016-2898-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Chia-Hung Chien
- Institute of Clinical Medicine, National Cheng Kung University, No. 138, Shengli Road, Tainan, 704, Taiwan.,Pharmacological Institute, College of Medicine, National Taiwan University, No. 1, Sec. 1, Jen-Ai Road, Taipei, 10051, Taiwan.,National Institute of Cancer Research, National Health Research Institutes, No. 367, Shengli Road, Tainan, 704, Taiwan
| | - Ming-Jen Lee
- Department of Neurology, National Taiwan University Hospital, No. 7, Chung-shan South Road, Taipei, 10016, Taiwan
| | - Houng-Chi Liou
- Pharmacological Institute, College of Medicine, National Taiwan University, No. 1, Sec. 1, Jen-Ai Road, Taipei, 10051, Taiwan
| | - Horng-Huei Liou
- Department of Neurology, National Taiwan University Hospital, No. 7, Chung-shan South Road, Taipei, 10016, Taiwan.,Pharmacological Institute, College of Medicine, National Taiwan University, No. 1, Sec. 1, Jen-Ai Road, Taipei, 10051, Taiwan
| | - Wen-Mei Fu
- Institute of Clinical Medicine, National Cheng Kung University, No. 138, Shengli Road, Tainan, 704, Taiwan. .,Pharmacological Institute, College of Medicine, National Taiwan University, No. 1, Sec. 1, Jen-Ai Road, Taipei, 10051, Taiwan. .,Department of Pharmacology, College of Medicine, National Taiwan University, No. 1, Sec. 1, Jen-Ai Road, Taipei, 10051, Taiwan.
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24
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Beauchemin KJ, Wells JM, Kho AT, Philip VM, Kamir D, Kohane IS, Graber JH, Bult CJ. Temporal dynamics of the developing lung transcriptome in three common inbred strains of laboratory mice reveals multiple stages of postnatal alveolar development. PeerJ 2016; 4:e2318. [PMID: 27602285 PMCID: PMC4991849 DOI: 10.7717/peerj.2318] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Accepted: 07/12/2016] [Indexed: 12/12/2022] Open
Abstract
To characterize temporal patterns of transcriptional activity during normal lung development, we generated genome wide gene expression data for 26 pre- and post-natal time points in three common inbred strains of laboratory mice (C57BL/6J, A/J, and C3H/HeJ). Using Principal Component Analysis and least squares regression modeling, we identified both strain-independent and strain-dependent patterns of gene expression. The 4,683 genes contributing to the strain-independent expression patterns were used to define a murine Developing Lung Characteristic Subtranscriptome (mDLCS). Regression modeling of the Principal Components supported the four canonical stages of mammalian embryonic lung development (embryonic, pseudoglandular, canalicular, saccular) defined previously by morphology and histology. For postnatal alveolar development, the regression model was consistent with four stages of alveolarization characterized by episodic transcriptional activity of genes related to pulmonary vascularization. Genes expressed in a strain-dependent manner were enriched for annotations related to neurogenesis, extracellular matrix organization, and Wnt signaling. Finally, a comparison of mouse and human transcriptomics from pre-natal stages of lung development revealed conservation of pathways associated with cell cycle, axon guidance, immune function, and metabolism as well as organism-specific expression of genes associated with extracellular matrix organization and protein modification. The mouse lung development transcriptome data generated for this study serves as a unique reference set to identify genes and pathways essential for normal mammalian lung development and for investigations into the developmental origins of respiratory disease and cancer. The gene expression data are available from the Gene Expression Omnibus (GEO) archive (GSE74243). Temporal expression patterns of mouse genes can be investigated using a study specific web resource (http://lungdevelopment.jax.org).
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Affiliation(s)
- Kyle J. Beauchemin
- The Jackson Laboratory, Bar Harbor, ME, United States
- Graduate School of Biomedical Sciences and Engineering, The University of Maine, Orono, ME, United States
| | | | - Alvin T. Kho
- Computational Health Informatics Program, Boston Children’s Hospital, Boston, MA, United States
| | | | - Daniela Kamir
- The Jackson Laboratory, Bar Harbor, ME, United States
| | - Isaac S. Kohane
- Department of Biomedical Informatics, Harvard Medical School, Boston, MA, United States
| | | | - Carol J. Bult
- The Jackson Laboratory, Bar Harbor, ME, United States
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25
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Bouhaddioui W, Provost PR, Tremblay Y. Expression profile of androgen-modulated microRNAs in the fetal murine lung. Biol Sex Differ 2016; 7:20. [PMID: 27042289 PMCID: PMC4818395 DOI: 10.1186/s13293-016-0072-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Accepted: 03/21/2016] [Indexed: 11/14/2022] Open
Abstract
Background Androgens are known to delay lung development. As a consequence, the incidence and morbidity of respiratory distress syndrome of the neonate are higher for male than for female premature infants. We previously reported that many genes were expressed with a sex difference in the mouse developing lung and that several genes were under the control of androgens in the male fetal lung. microRNAs are small non-coding RNAs known to negatively regulate the expression of specific genes. In this study, we examined whether murine miRNAs are under the control of androgens in the male developing lung. Methods Expression profiling of microRNAs was performed by microarrays using RNA extracted from male fetal lungs isolated on gestational day (GD) 17.0 and GD 18.0 after daily injection of pregnant mice from GD 10.0 with the antiandrogen flutamide or vehicle only. To identify putative miRNA target genes, the data obtained here were combined with gene profiling data reported previously using the same RNA preparations. qPCR was used to confirm microarray data with fetal lungs from other litters than those used in microarrays. Results Flutamide induced downregulation and upregulation of several miRNAs on GD 17.0 and GD 18.0. Of the 43 mature miRNAs modulated by flutamide on GD 17.0, 60 % were downregulated, whereas this proportion was only of 34 % for the 35 mature miRNAs modulated on GD 18.0. For 29 and 26 flutamide-responsive miRNAs, we found a corresponding target inversely regulated by androgens on GD 17.0 and 18.0, respectively. The androgen-regulated target genes were involved in several biological processes (lipid metabolism, cell proliferation, and lung development) and molecular functions, mainly transcription factor binding. Conclusions Regulation of male lung development involves several miRNAs that are under androgen modulation in vivo. Electronic supplementary material The online version of this article (doi:10.1186/s13293-016-0072-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Wafae Bouhaddioui
- Reproduction, Mother and Youth Health, Centre de Recherche du CHU de Québec, 2705 Laurier Boulevard, Rm T-3-67, Québec City, Québec Canada ; Centre de Recherche en Biologie de la Reproduction (CRBR), Faculté de Médecine, Université Laval, Québec City, Québec Canada
| | - Pierre R Provost
- Reproduction, Mother and Youth Health, Centre de Recherche du CHU de Québec, 2705 Laurier Boulevard, Rm T-3-67, Québec City, Québec Canada ; Department of Obstetrics/Gynecology and Reproduction, Faculty of Medicine, Université Laval, Québec City, Québec Canada ; Centre de Recherche en Biologie de la Reproduction (CRBR), Faculté de Médecine, Université Laval, Québec City, Québec Canada
| | - Yves Tremblay
- Reproduction, Mother and Youth Health, Centre de Recherche du CHU de Québec, 2705 Laurier Boulevard, Rm T-3-67, Québec City, Québec Canada ; Department of Obstetrics/Gynecology and Reproduction, Faculty of Medicine, Université Laval, Québec City, Québec Canada ; Centre de Recherche en Biologie de la Reproduction (CRBR), Faculté de Médecine, Université Laval, Québec City, Québec Canada
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Nieto-Estévez V, Defterali Ç, Vicario-Abejón C. IGF-I: A Key Growth Factor that Regulates Neurogenesis and Synaptogenesis from Embryonic to Adult Stages of the Brain. Front Neurosci 2016; 10:52. [PMID: 26941597 PMCID: PMC4763060 DOI: 10.3389/fnins.2016.00052] [Citation(s) in RCA: 184] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Accepted: 02/05/2016] [Indexed: 12/28/2022] Open
Abstract
The generation of neurons in the adult mammalian brain requires the activation of quiescent neural stem cells (NSCs). This activation and the sequential steps of neuron formation from NSCs are regulated by a number of stimuli, which include growth factors. Insulin-like growth factor-I (IGF-I) exert pleiotropic effects, regulating multiple cellular processes depending on their concentration, cell type, and the developmental stage of the animal. Although IGF-I expression is relatively high in the embryonic brain its levels drop sharply in the adult brain except in neurogenic regions, i.e., the hippocampus (HP) and the subventricular zone-olfactory bulb (SVZ-OB). By contrast, the expression of IGF-IR remains relatively high in the brain irrespective of the age of the animal. Evidence indicates that IGF-I influences NSC proliferation and differentiation into neurons and glia as well as neuronal maturation including synapse formation. Furthermore, recent studies have shown that IGF-I not only promote adult neurogenesis by regulating NSC number and differentiation but also by influencing neuronal positioning and migration as described during SVZ-OB neurogenesis. In this article we will revise and discuss the actions reported for IGF-I signaling in a variety of in vitro and in vivo models, focusing on the maintenance and proliferation of NSCs/progenitors, neurogenesis, and neuron integration in synaptic circuits.
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Affiliation(s)
- Vanesa Nieto-Estévez
- Consejo Superior de Investigaciones Científicas (CSIC), Instituto CajalMadrid, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED)Madrid, Spain
| | - Çağla Defterali
- Consejo Superior de Investigaciones Científicas (CSIC), Instituto CajalMadrid, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED)Madrid, Spain
| | - Carlos Vicario-Abejón
- Consejo Superior de Investigaciones Científicas (CSIC), Instituto CajalMadrid, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED)Madrid, Spain
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27
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Li C, Li M, Li S, Xing Y, Yang CY, Li A, Borok Z, De Langhe S, Minoo P. Progenitors of secondary crest myofibroblasts are developmentally committed in early lung mesoderm. Stem Cells 2015; 33:999-1012. [PMID: 25448080 DOI: 10.1002/stem.1911] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2014] [Revised: 10/20/2014] [Accepted: 11/10/2014] [Indexed: 11/09/2022]
Abstract
Development of the mammalian lung is predicated on cross-communications between two highly interactive tissues, the endodermally derived epithelium and the mesodermally derived pulmonary mesenchyme. While much attention has been paid for the lung epithelium, the pulmonary mesenchyme, partly due to lack of specific tractable markers remains under-investigated. The lung mesenchyme is derived from the lateral plate mesoderm and is the principal recipient of Hedgehog (Hh) signaling, a morphogenetic network that regulates multiple aspects of embryonic development. Using the Hh-responsive Gli1-cre(ERT2) mouse line, we identified the mesodermal targets of Hh signaling at various time points during embryonic and postnatal lung development. Cell lineage analysis showed these cells serve as progenitors to contribute to multiple lineages of mesodermally derived differentiated cell types that include parenchymal or interstitial myofibroblasts, peribronchial and perivascular smooth muscle as well as rare populations of cells within the mesothelium. Most importantly, Gli1-cre(ERT2) identified the progenitors of secondary crest myofibroblasts, a hitherto intractable cell type that plays a key role in alveolar formation, a vital process about which little is currently known. Transcriptome analysis of Hh-targeted progenitor cells transitioning from the pseudoglandular to the saccular phase of lung development revealed important modulations of key signaling pathways. Among these, there was significant downregulation of canonical WNT signaling. Ectopic stabilization of β-catenin via inactivation of Apc by Gli1-cre(ERT2) expanded the Hh-targeted progenitor pools, which caused the formation of fibroblastic masses within the lung parenchyma. The Gli1-cre(ERT2) mouse line represents a novel tool in the analysis of mesenchymal cell biology and alveolar formation during lung development.
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Affiliation(s)
- Changgong Li
- Division of Newborn Medicine, Department of Pediatrics, Los Angeles County+University of Southern California Medical Center and Childrens Hospital Los Angeles
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28
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Concannon MR, Albertson RC. The genetic and developmental basis of an exaggerated craniofacial trait in East African cichlids. JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION 2015; 324:662-70. [DOI: 10.1002/jez.b.22641] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Accepted: 07/01/2015] [Indexed: 01/01/2023]
Affiliation(s)
- Moira R. Concannon
- Graduate Program in Organismic and Evolutionary Biology; University of Massachusetts Amherst; Morrill Science Center South; Amherst Massachusetts
| | - R. Craig Albertson
- Department of Biology; University of Massachusetts Amherst; Morrill Science Center; Amherst Massachusetts
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29
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Intermittent Compressive Stress Enhanced Insulin-Like Growth Factor-1 Expression in Human Periodontal Ligament Cells. Int J Cell Biol 2015; 2015:369874. [PMID: 26106417 PMCID: PMC4464684 DOI: 10.1155/2015/369874] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Revised: 05/19/2015] [Accepted: 05/20/2015] [Indexed: 02/06/2023] Open
Abstract
Mechanical force was shown to promote IGF-1 expression in periodontal ligament both in vitro and in vivo. Though the mechanism of this effect has not yet been proved, here we investigated the molecular mechanism of intermittent mechanical stress on IGF-1 expression. In addition, the role of hypoxia on the intermittent compressive stress on IGF-1 expression was also examined. In this study, human periodontal ligament cells (HPDLs) were stimulated with intermittent mechanical stress for 24 hours. IGF-1 expression was examined by real-time polymerase chain reaction. Chemical inhibitors were used to determine molecular mechanisms of these effects. For hypoxic mimic condition, the CoCl2 supplementation was employed. The results showed that intermittent mechanical stress dramatically increased IGF-1 expression at 24 h. The pretreatment with TGF-β receptor I or TGF-β1 antibody could inhibit the intermittent mechanical stress-induced IGF-1 expression. Moreover, the upregulation of TGF-β1 proteins was detected in intermittent mechanical stress treated group. Correspondingly, the IGF-1 expression was upregulated upon being treated with recombinant human TGF-β1. Further, the hypoxic mimic condition attenuated the intermittent mechanical stress and rhTGF-β1-induced IGF-1 expression. In summary, this study suggests intermittent mechanical stress-induced IGF-1 expression in HPDLs through TGF-β1 and this phenomenon could be inhibited in hypoxic mimic condition.
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Analysis of Cellular Proliferation and Survival Signaling by Using Two Ligand/Receptor Systems Modeled by Pathway Logic. HYBRID SYSTEMS BIOLOGY 2015. [DOI: 10.1007/978-3-319-26916-0_13] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Differential organ phenotypes after postnatal Igf1r gene conditional deletion induced by tamoxifen in UBC-CreERT2; Igf1r fl/fl double transgenic mice. Transgenic Res 2014; 24:279-94. [DOI: 10.1007/s11248-014-9837-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Accepted: 09/09/2014] [Indexed: 11/25/2022]
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