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. 2022 Oct 25;9:1012827. doi: 10.3389/fmed.2022.1012827

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Copyright © 2022 Casanova, Reyes-Hernon, Gregory, Sun, Bermudez, Hufford, Oita, Camp, Hernandez-Molina, Serrano, Sun, Fimbres, Mirsaeidi, Sammani, Bime and Garcia.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Circulating biomarkers in complicated sarcoidosis and pulmonary fibrosis. (A) The plasma levels of HBEGF were significantly elevated (**p < 0.003) in a group of 62 complicated sarcoidosis (parenchymal lung disease by CT scan, radiographic Scadding stages III and IV; Forced vital capacity (FVC) < 50%; cardiac or neurological involvement in addition to lung involvement) compared to non-complicated sarcoidosis. (B) ANG-2 plasma levels were significantly (p < 0.017) elevated in 19 subjects with sarcoidosis and pulmonary fibrosis (confirmed fibrotic changes on high-resolution chest CT scan or radiographic stage IV) compared to those with non-fibrosis.