Erythromycin combined with corticosteroid reduced inflammation and modified trauma-induced tracheal stenosis in a rabbit model

Therapeutic Advances in Respiratory Disease
Qin EnyuanLiu Guangnan

Abstract

Patients with endotracheal intubation or tracheostomy are subject to benign tracheal stenosis (TS), for which current therapies are unsatisfactory. We conducted a preliminary investigation of drugs and drug combinations for the prevention and treatment of TS in a rabbit model. Fifty-four rabbits were apportioned into nine groups according to treatment: sham-operated control; untreated TS model; amikacin; budesonide; erythromycin; penicillin; amikacin + budesonide; erythromycin + budesonide; and penicillin + budesonide. TS was induced by abrasion during surgery. The drugs were applied for 7 days before and 10 days after the surgery. Rabbits were killed on the eleventh day. Tracheal specimens were processed for determining alterations in the thicknesses of tracheal epithelium and lamina propria via hematoxylin and eosin. The tracheal mRNA (assessed by real-time quantitative polymerase chain reaction) expressions of the following fibrotic-related factors were determined: transforming growth factor-β1 (TGF- β1), collagen type I (COL1A1), collagen type III (COL3A1), and interleukin-17 (IL-17). The protein levels of TGF-β1, COL1A1, and COL3A1 were determined through immunohistochemistry and integrated optical densities. Compared with...Continue Reading

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Citations

Dec 27, 2018·The Laryngoscope·Emre Türkmen, Yavuz Selim Pata
Feb 14, 2020·Canadian Respiratory Journal : Journal of the Canadian Thoracic Society·Zhenjie HuangGuangnan Liu
Dec 15, 2020·International Journal of Biological Macromolecules·Maryam DoostanElham Arkan
Jul 16, 2021·Forensic Science, Medicine, and Pathology·Yueyao ShenFeng Chen

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