{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T02:42:28Z","timestamp":1760150548835,"version":"build-2065373602"},"reference-count":34,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2023,12,14]],"date-time":"2023-12-14T00:00:00Z","timestamp":1702512000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Antibiotics"],"abstract":"<jats:p>Emphysema is prevalent in various respiratory diseases like Chronic Obstructive Pulmonary Disease (COPD) and cystic fibrosis. Colistin and vasoconstrictive drugs are crucial for treating these patients when diagnosed with sepsis in the ICU. This study examines colistin impact in ether-induced emphysematous septic and non-septic animals, focusing on lung pathophysiology and inflammatory responses, including IL-1\u03b2, TNF-\u03b1, AMPK, caspase-3, cyclin-D1, and colistin levels in lung tissue. All animals exhibited significant emphysematous changes, accentuated by LPS-induced septic conditions, validating the emphysema model and highlighting the exacerbating effect of sepsis on lung pathology. Colistin, alone or with vasoconstrictive drugs, stimulated immune responses through increased inflammatory cell infiltration and the presence of lymphocytes, indicating potential immunomodulatory effects. Vasoconstriction did not alter the effects of colistin or sepsis but correlated with increased colistin levels in the lungs of septic animals. These observations suggest a potential interplay between vasoconstrictive drugs and colistin distribution\/metabolism, leading to enhanced local concentrations of colistin in the lung microenvironment. The findings suggest the need for further investigations to optimize colistin and vasoconstrictive drug delivery in critically ill patients with lung pathologies. Understanding these complexities may guide more effective management of inflammatory responses and lung pathologies in these critical conditions.<\/jats:p>","DOI":"10.3390\/antibiotics12121731","type":"journal-article","created":{"date-parts":[[2023,12,15]],"date-time":"2023-12-15T03:16:33Z","timestamp":1702610193000},"page":"1731","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Colistin Effects on Emphysematous Lung in an LPS-Sepsis Model"],"prefix":"10.3390","volume":"12","author":[{"given":"Rodopi","family":"Stamatiou","sequence":"first","affiliation":[{"name":"Physiology Laboratory, Faculty of Medicine, University of Thessaly, BIOPOLIS, 41500 Larissa, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0852-4883","authenticated-orcid":false,"given":"Anna","family":"Vasilaki","sequence":"additional","affiliation":[{"name":"Pharmacology Laboratory, Faculty of Medicine, University of Thessaly, BIOPOLIS, 41500 Larissa, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dimitra","family":"Tzini","sequence":"additional","affiliation":[{"name":"Pharmacology Laboratory, Faculty of Medicine, University of Thessaly, BIOPOLIS, 41500 Larissa, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Konstantina","family":"Deskata","sequence":"additional","affiliation":[{"name":"Intensive Care Unit, Faculty of Medicine, University of Thessaly, BIOPOLIS, 41500 Larissa, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Konstantina","family":"Zacharouli","sequence":"additional","affiliation":[{"name":"Pathology Department, Faculty of Medicine, University of Thessaly, BIOPOLIS, 41500 Larissa, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maria","family":"Ioannou","sequence":"additional","affiliation":[{"name":"Pathology Department, Faculty of Medicine, University of Thessaly, BIOPOLIS, 41500 Larissa, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6337-4534","authenticated-orcid":false,"given":"Markos","family":"Sgantzos","sequence":"additional","affiliation":[{"name":"Anatomy Department, Faculty of Medicine, University of Thessaly, BIOPOLIS, 41500 Larissa, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Epaminondas","family":"Zakynthinos","sequence":"additional","affiliation":[{"name":"Intensive Care Unit, Faculty of Medicine, University of Thessaly, BIOPOLIS, 41500 Larissa, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Demosthenes","family":"Makris","sequence":"additional","affiliation":[{"name":"Intensive Care Unit, Faculty of Medicine, University of Thessaly, BIOPOLIS, 41500 Larissa, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,12,14]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"155","DOI":"10.2174\/1874306401206010155","article-title":"Classification of centrilobular emphysema based on CT-pathologic correlations","volume":"6","author":"Mamoru","year":"2012","journal-title":"Open Respir. 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