, Volume 42, Issue 6, pp 1939–1950 | Cite as

p-Coumaric Acid Attenuates Lipopolysaccharide-Induced Lung Inflammation in Rats by Scavenging ROS Production: an In Vivo and In Vitro Study

  • Maryam Kheiry
  • Mahin DianatEmail author
  • Mohammad Badavi
  • Seyyed Ali Mard
  • Vahid Bayati
Original Article


Lipopolysaccharide (LPS), known as lipoglycans and endotoxins found in the cell wall of some type of Gram-negative bacteria, causes acute lung inflammation (ALI). p-Coumaric acid (p-CA) possesses anti-inflammatory and anti-oxidative activities. The main purpose of our research was to explore the effect of p-CA on LPS-induced inflammation. In part I, 32 rats were divided into four groups: Control, LPS (5 mg/kg), p-CA (100 mg/kg), and LPS + p-CA to investigate acute lung inflammation caused by LPS. In part II, the effect of LPS-stimulated inflammatory response on A549 cells was investigated. The dosage of LPS and p-CA which used in this part was 1 μg/ml and 20 mM, respectively. ALI rats showed an elevation in antioxidant activity, TNF-alpha, IL-6, MDA, inflammatory parameters, and Nrf2 gene expression. Although pre-treatment with p-CA could return these changes approximately to normal condition in all two-part studies (in vivo and in vitro). The results of in vivo and in vitro study showed that LPS induced lung inflammation. Pre-treatment with p-CA causes modulating of oxidative stress in inflammatory condition in lung injury and A549 cell.


LPS p-coumaric acid ALI inflammation Nrf2 A549 cells 



The source of data used in this paper was from Ph.D thesis of Mrs. Maryam Kheiry, a student of Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

Funding Information

The authors gratefully acknowledge the help and financial support of the Persian Gulf Physiology Research Center of Ahvaz Jundishapur University of Medical Sciences (No. APRC-9606).

Compliance with Ethical Standards

The experiments were carried out in accordance with the ethical guidelines, and the protocol was approved by the Ethics Committee for Animals at Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran (No: IR.AJUMS.REC.1396.275).

Conflict of Interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Physiology, Physiology Research Center, Faculty of Medicine, Persian Gulf Physiology Research CenterAhvaz Jundishapur University of Medical SciencesAhvazIran
  2. 2.Cellular and Molecular Research Center, Faculty of MedicineAhvaz Jundishapur University of Medical SciencesAhvazIran

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