68Ga-NODAGA-Indole: An Allysine-Reactive Positron Emission Tomography Probe for Molecular Imaging of Pulmonary Fibrogenesis
Oxidized collagen, wherein lysine residues are converted to the aldehyde allysine, is a universal feature of fibrogenesis, i.e. actively progressive fibrosis. Here we report the small molecule, allysine-binding positron emission tomography probe, 68Ga-NODAGA-indole, that can noninvasively detect and...
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Published in: | Journal of the American Chemical Society Vol. 141; no. 14; pp. 5593 - 5596 |
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Main Authors: | , , , , , , , , , , , |
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American Chemical Society
10-04-2019
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Abstract | Oxidized collagen, wherein lysine residues are converted to the aldehyde allysine, is a universal feature of fibrogenesis, i.e. actively progressive fibrosis. Here we report the small molecule, allysine-binding positron emission tomography probe, 68Ga-NODAGA-indole, that can noninvasively detect and quantify pulmonary fibrogenesis. We demonstrate that the uptake of 68Ga-NODAGA-indole in actively fibrotic lungs is 7-fold higher than in control groups and that uptake is linearly correlated (R 2 = 0.98) with the concentration of lung allysine. |
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AbstractList | Oxidized collagen, wherein lysine residues are converted to the aldehyde allysine, is a universal feature of fibrogenesis, i.e. actively progressive fibrosis. Here we report the small molecule, allysine-binding positron emission tomography probe, 68Ga-NODAGA-indole, that can noninvasively detect and quantify pulmonary fibrogenesis. We demonstrate that the uptake of 68Ga-NODAGA-indole in actively fibrotic lungs is 7-fold higher than in control groups and that uptake is linearly correlated (R 2 = 0.98) with the concentration of lung allysine. Oxidized collagen, wherein lysine residues are converted to the aldehyde allysine, is a universal feature of fibrogenesis, i.e. actively progressive fibrosis. Here we report the small molecule, allysine-binding positron emission tomography (PET) probe, 68 Ga-NODAGA-indole, that can noninvasively detect and quantify pulmonary fibrogenesis. We demonstrate that the uptake of 68 Ga-NODAGA-indole in actively fibrotic lungs is 7-fold higher than in control groups and that uptake is linearly correlated (R 2 = 0.98) with the concentration of lung allysine. |
Author | Caravan, Peter Lanuti, Michael Fuchs, Bryan C Sui, Jingyi Wang, Junfeng Santos Ferreira, Diêgo Dos Désogère, Pauline Rotile, Nicholas J Wahsner, Jessica Abston, Eric Schirmer, Markus D Graham-O’Regan, Katherine A |
AuthorAffiliation | MGH & HMS Division of Surgical Oncology Division of Thoracic Surgery Stroke Division Department of Radiology |
AuthorAffiliation_xml | – name: Department of Radiology – name: Division of Thoracic Surgery – name: Stroke Division – name: Division of Surgical Oncology – name: MGH & HMS – name: 2 Division of Thoracic Surgery, MGH & HMS, Boston, MA 02114, USA – name: 4 Division of Surgical Oncology, MGH & HMS, Boston, MA 02114, USA – name: 3 Stroke Division, MGH & HMS, Boston, MA 02114, USA – name: 1 The Athinoula A. Martinos Center for Biomedical Imaging, The Institute for Innovation in Imaging, Department of Radiology, Massachusetts General Hospital (MGH) & Harvard Medical School (HMS), Charlestown, MA 02129, USA |
Author_xml | – sequence: 1 givenname: Jessica orcidid: 0000-0002-6195-6175 surname: Wahsner fullname: Wahsner, Jessica organization: Department of Radiology – sequence: 2 givenname: Pauline surname: Désogère fullname: Désogère, Pauline organization: Department of Radiology – sequence: 3 givenname: Eric surname: Abston fullname: Abston, Eric organization: MGH & HMS – sequence: 4 givenname: Katherine A surname: Graham-O’Regan fullname: Graham-O’Regan, Katherine A organization: Department of Radiology – sequence: 5 givenname: Junfeng surname: Wang fullname: Wang, Junfeng organization: Department of Radiology – sequence: 6 givenname: Nicholas J surname: Rotile fullname: Rotile, Nicholas J organization: Department of Radiology – sequence: 7 givenname: Markus D surname: Schirmer fullname: Schirmer, Markus D organization: MGH & HMS – sequence: 8 givenname: Diêgo Dos orcidid: 0000-0003-1505-7950 surname: Santos Ferreira fullname: Santos Ferreira, Diêgo Dos organization: Department of Radiology – sequence: 9 givenname: Jingyi surname: Sui fullname: Sui, Jingyi organization: Department of Radiology – sequence: 10 givenname: Bryan C surname: Fuchs fullname: Fuchs, Bryan C organization: MGH & HMS – sequence: 11 givenname: Michael surname: Lanuti fullname: Lanuti, Michael organization: MGH & HMS – sequence: 12 givenname: Peter orcidid: 0000-0002-3179-6537 surname: Caravan fullname: Caravan, Peter email: caravan@nmr.mgh.harvard.edu organization: Department of Radiology |
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Title | 68Ga-NODAGA-Indole: An Allysine-Reactive Positron Emission Tomography Probe for Molecular Imaging of Pulmonary Fibrogenesis |
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