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Abstract Title:

Caffeic acid phenethyl ester ameliorates pulmonary inflammation and apoptosis reducing Nf-κβ activation in blunt pulmonary contusion model.

Abstract Source:

Ulus Travma Acil Cerrahi Derg. 2019 Aug ;25(5):433-439. PMID: 31475327

Abstract Author(s):

İhsan Karaboğa

Article Affiliation:

İhsan Karaboğa

Abstract:

BACKGROUND: Pulmonary contusion (PC) is an important life-threatening clinical condition characterized by lung injury and inflammation. Caffeic acid phenethyl ester (CAPE) is a biological agent with potent antioxidant and anti-inflammatory effects. This study aimed to investigate the potential effects of CAPE on tissue damage, nuclear factor kappa-beta (Nf-κβ) activity, inducible nitric oxide synthase (iNOS) synthesis, and pulmonary apoptosis in an experimental PC model.

METHODS: Forty adult Wistar albino rats were used in this study and divided into four groups as follows: control, PC, PC + CAPE, and CAPE. CAPE was administered intraperitoneally for seven days following PC formation (10µmol/kg, dissolved in dimethyl sulfoxide). Wet/dry weight ratio in lung tissue was determined. The pulmonary tissue was examined using hematoxylin-eosin and Masson's trichrome histochemical staining and also by scanning electron microscopy. Nf-κβ and iNOS activities in the lungs were determined by the indirect immunohistochemical method. Pulmonary apoptosis was detected by the TUNEL method.

RESULTS: Increased leukocyte infiltration score, pulmonary edema, alveolar damage, and increased Nf-κβ and iNOS activities were determined in the PC group. CAPE administration inhibited Nf-κβ and iNOS activities and pulmonary apoptosis.

CONCLUSION: In this study, the findings showed that CAPE inhibited tissue damage by suppressing inflammatory mediators of Nf-κβ and iNOS activities. Also, CAPE was found to be protective in the lung tissue and could be used as a therapeutic agent.

Study Type : Animal Study

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