{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,5]],"date-time":"2026-09-05T17:12:10Z","timestamp":1788628330678,"version":"build-2803163510"},"reference-count":55,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2021,10,4]],"date-time":"2021-10-04T00:00:00Z","timestamp":1633305600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pediatric Pulmonology"],"published-print":{"date-parts":[[2022,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>Inflammation and oxidate stress are significant factors in the pathogenesis of bronchopulmonary dysplasia (BPD). The aim of this study is to investigate the efficacy of apocynin (APO), an anti\u2010inflammatory, antioxidant, and antiapoptotic drug, in the prophylaxis of neonatal hyperoxic lung injury.<\/jats:p><\/jats:sec><jats:sec><jats:title>Method<\/jats:title><jats:p>This experimental study included 40 neonatal rats divided into the control, APO, BPD, and BPD\u2009+\u2009APO groups. The control and APO groups were kept in a normal room environment, while the BPD and BPD\u2009+\u2009APO groups were kept in a hyperoxic environment. The rats in the APO and BPD\u2009+\u2009APO groups were administered intraperitoneal APO, while the control and BPD rats were administered ordinary saline. At the end of the trial, lung tissue was evaluated with respect to the degree of histopathological injury, apoptosis, oxidant and antioxidant capacity, and severity of inflammation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Result<\/jats:title><jats:p>The BPD and BPD\u2009+\u2009APO groups exhibited higher mean histopathological injury and alveolar macrophage scores compared to the control and APO groups. Both scores were lower in the BPD\u2009+\u2009APO group in comparison to the BPD group. The BPD\u2009+\u2009APO group had a significantly lower average of TUNEL positive cells than the BPD group. The lung tissue examination indicated significantly higher levels of mean malondialdehyde (MDA), total oxidant status (TOS), tumor necrosis factor\u2010\u03b1 (TNF\u2010\u03b1), and interleukin\u20101\u03b2 (IL\u20101\u03b2) in the BPD group compared to the control and APO groups. While the TNF\u2010\u03b1 and IL\u20101\u03b2 levels of the BPD\u2009+\u2009APO group were similar to that of the control group, the MDA and TOS levels were higher compared to the controls and lower compared to the BPD group. The BPD group demonstrated significantly lower levels\/activities of mean total antioxidant status, glutathione reductase, superoxide dismutase, glutathione peroxidase in comparison to the control and APO groups. While the mean antioxidant enzyme activity of the BPD\u2009+\u2009APO group was lower than the control group, it was significantly higher compared to the BPD group.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>This is the first study in the literature to reveal through an experimental neonatal hyperoxic lung injury that APO, an anti\u2010inflammatory, antioxidant, and antiapoptotic drug, exhibits protective properties against the development of BPD.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ppul.25707","type":"journal-article","created":{"date-parts":[[2021,9,28]],"date-time":"2021-09-28T12:10:12Z","timestamp":1632831012000},"page":"109-121","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["The protective effects of apocynin in hyperoxic lung injury in neonatal 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