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Targeting of alpha(v) integrin identifies a core molecular pathway that regulates fibrosis in several organs

Myofibroblasts are the major source of extracellular matrix components that accumulate during tissue fibrosis, and hepatic stellate cells (HSCs) are believed to be the major source of myofibroblasts in the liver. To date, robust systems to genetically manipulate these cells have not been developed.... Full description

Journal Title: Nature medicine 2013, Vol.19 (12), p.1617
Main Author: Henderson, Neil C.
Other Authors: Arnold, Thomas D. , Katamura, Yoshio , Giacomini, Marilyn M. , Rodriguez, Juan D. , Mccarty, Joseph H. , Pellicoro, Antonella , Raschperger, Elisabeth , Betsholtz, Christer , Ruminski, Peter G. , Griggs, David W. , Prinsen, Michael J. , Maher, Jacquelyn J. , Iredale, John P. , Lacy-Hulbert, Adam , Adams, Ralf H. , Sheppard, Dean
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 1078-8956
Link: http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-214033
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title: Targeting of alpha(v) integrin identifies a core molecular pathway that regulates fibrosis in several organs
format: Article
creator:
  • Henderson, Neil C.
  • Arnold, Thomas D.
  • Katamura, Yoshio
  • Giacomini, Marilyn M.
  • Rodriguez, Juan D.
  • Mccarty, Joseph H.
  • Pellicoro, Antonella
  • Raschperger, Elisabeth
  • Betsholtz, Christer
  • Ruminski, Peter G.
  • Griggs, David W.
  • Prinsen, Michael J.
  • Maher, Jacquelyn J.
  • Iredale, John P.
  • Lacy-Hulbert, Adam
  • Adams, Ralf H.
  • Sheppard, Dean
subjects:
  • Animals
  • Cells
  • Cultured
  • Drug Evaluation
  • Female
  • Fibrosis
  • Gene Targeting
  • Inbred C57BL
  • Integrin alphaV
  • Kidney
  • Kidney Diseases
  • Liver Cirrhosis
  • Male
  • Medical and Health Sciences
  • Medicin och hälsovetenskap
  • Mice
  • Myofibroblasts
  • Preclinical
  • Pulmonary Fibrosis
  • Signal Transduction
  • Transgenic
ispartof: Nature medicine, 2013, Vol.19 (12), p.1617
description: Myofibroblasts are the major source of extracellular matrix components that accumulate during tissue fibrosis, and hepatic stellate cells (HSCs) are believed to be the major source of myofibroblasts in the liver. To date, robust systems to genetically manipulate these cells have not been developed. We report that Cre under control of the promoter of Pdgfrb (Pdgfrb-Cre) inactivates loxP-flanked genes in mouse HSCs with high efficiency. We used this system to delete the gene encoding alpha(v) integrin subunit because various alpha(v)-containing integrins have been suggested as central mediators of fibrosis in multiple organs. Such depletion protected mice from carbon tetrachloride-induced hepatic fibrosis, whereas global loss of beta(3), beta(5) or beta(6) integrins or conditional loss of beta(8) integrins in HSCs did not. We also found that Pdgfrb-Cre effectively targeted myofibroblasts in multiple organs, and depletion of the alpha(v) integrin subunit using this system was protective in other models of organ fibrosis, including pulmonary and renal fibrosis. Pharmacological blockade of alpha(v)-containing integrins by a small molecule (CWHM 12) attenuated both liver and lung fibrosis, including in a therapeutic manner. These data identify a core pathway that regulates fibrosis and suggest that pharmacological targeting of all alpha(v) integrins may have clinical utility in the treatment of patients with a broad range of fibrotic diseases.
language: eng
source:
identifier: ISSN: 1078-8956
fulltext: no_fulltext
issn:
  • 1078-8956
  • 1546-170X
  • 1546-170X
url: Link


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titleTargeting of alpha(v) integrin identifies a core molecular pathway that regulates fibrosis in several organs
creatorHenderson, Neil C. ; Arnold, Thomas D. ; Katamura, Yoshio ; Giacomini, Marilyn M. ; Rodriguez, Juan D. ; Mccarty, Joseph H. ; Pellicoro, Antonella ; Raschperger, Elisabeth ; Betsholtz, Christer ; Ruminski, Peter G. ; Griggs, David W. ; Prinsen, Michael J. ; Maher, Jacquelyn J. ; Iredale, John P. ; Lacy-Hulbert, Adam ; Adams, Ralf H. ; Sheppard, Dean
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descriptionMyofibroblasts are the major source of extracellular matrix components that accumulate during tissue fibrosis, and hepatic stellate cells (HSCs) are believed to be the major source of myofibroblasts in the liver. To date, robust systems to genetically manipulate these cells have not been developed. We report that Cre under control of the promoter of Pdgfrb (Pdgfrb-Cre) inactivates loxP-flanked genes in mouse HSCs with high efficiency. We used this system to delete the gene encoding alpha(v) integrin subunit because various alpha(v)-containing integrins have been suggested as central mediators of fibrosis in multiple organs. Such depletion protected mice from carbon tetrachloride-induced hepatic fibrosis, whereas global loss of beta(3), beta(5) or beta(6) integrins or conditional loss of beta(8) integrins in HSCs did not. We also found that Pdgfrb-Cre effectively targeted myofibroblasts in multiple organs, and depletion of the alpha(v) integrin subunit using this system was protective in other models of organ fibrosis, including pulmonary and renal fibrosis. Pharmacological blockade of alpha(v)-containing integrins by a small molecule (CWHM 12) attenuated both liver and lung fibrosis, including in a therapeutic manner. These data identify a core pathway that regulates fibrosis and suggest that pharmacological targeting of all alpha(v) integrins may have clinical utility in the treatment of patients with a broad range of fibrotic diseases.
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descriptionMyofibroblasts are the major source of extracellular matrix components that accumulate during tissue fibrosis, and hepatic stellate cells (HSCs) are believed to be the major source of myofibroblasts in the liver. To date, robust systems to genetically manipulate these cells have not been developed. We report that Cre under control of the promoter of Pdgfrb (Pdgfrb-Cre) inactivates loxP-flanked genes in mouse HSCs with high efficiency. We used this system to delete the gene encoding alpha(v) integrin subunit because various alpha(v)-containing integrins have been suggested as central mediators of fibrosis in multiple organs. Such depletion protected mice from carbon tetrachloride-induced hepatic fibrosis, whereas global loss of beta(3), beta(5) or beta(6) integrins or conditional loss of beta(8) integrins in HSCs did not. We also found that Pdgfrb-Cre effectively targeted myofibroblasts in multiple organs, and depletion of the alpha(v) integrin subunit using this system was protective in other models of organ fibrosis, including pulmonary and renal fibrosis. Pharmacological blockade of alpha(v)-containing integrins by a small molecule (CWHM 12) attenuated both liver and lung fibrosis, including in a therapeutic manner. These data identify a core pathway that regulates fibrosis and suggest that pharmacological targeting of all alpha(v) integrins may have clinical utility in the treatment of patients with a broad range of fibrotic diseases.
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titleTargeting of alpha(v) integrin identifies a core molecular pathway that regulates fibrosis in several organs
authorHenderson, Neil C. ; Arnold, Thomas D. ; Katamura, Yoshio ; Giacomini, Marilyn M. ; Rodriguez, Juan D. ; Mccarty, Joseph H. ; Pellicoro, Antonella ; Raschperger, Elisabeth ; Betsholtz, Christer ; Ruminski, Peter G. ; Griggs, David W. ; Prinsen, Michael J. ; Maher, Jacquelyn J. ; Iredale, John P. ; Lacy-Hulbert, Adam ; Adams, Ralf H. ; Sheppard, Dean
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atitleTargeting of alpha(v) integrin identifies a core molecular pathway that regulates fibrosis in several organs
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11546-170X
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abstractMyofibroblasts are the major source of extracellular matrix components that accumulate during tissue fibrosis, and hepatic stellate cells (HSCs) are believed to be the major source of myofibroblasts in the liver. To date, robust systems to genetically manipulate these cells have not been developed. We report that Cre under control of the promoter of Pdgfrb (Pdgfrb-Cre) inactivates loxP-flanked genes in mouse HSCs with high efficiency. We used this system to delete the gene encoding alpha(v) integrin subunit because various alpha(v)-containing integrins have been suggested as central mediators of fibrosis in multiple organs. Such depletion protected mice from carbon tetrachloride-induced hepatic fibrosis, whereas global loss of beta(3), beta(5) or beta(6) integrins or conditional loss of beta(8) integrins in HSCs did not. We also found that Pdgfrb-Cre effectively targeted myofibroblasts in multiple organs, and depletion of the alpha(v) integrin subunit using this system was protective in other models of organ fibrosis, including pulmonary and renal fibrosis. Pharmacological blockade of alpha(v)-containing integrins by a small molecule (CWHM 12) attenuated both liver and lung fibrosis, including in a therapeutic manner. These data identify a core pathway that regulates fibrosis and suggest that pharmacological targeting of all alpha(v) integrins may have clinical utility in the treatment of patients with a broad range of fibrotic diseases.
doi10.1038/nm.3282
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