, Volume 15, Issue 2, pp 59–68 | Cite as

Halofuginone improves caustic-induced oxidative injury of esophagus in rats

  • Kıvılcım Karadeniz Cerit
  • Berna Karakoyun
  • Elif Bahadır
  • Meral Yüksel
  • Nurdan Bülbül
  • Feriha Ercan
  • E. Tolga Dağlı
  • Berrak Ç. Yeğen
Original Article



The aim of this study is to evaluate the anti-inflammatory and anti-fibrotic effects of halofuginone in caustic esophageal burn injury in rats.

Materials and methods

Corrosive esophageal injury (CEI) was produced in male Wistar albino rats by instilling NaOH solution (1 ml, 37.5%) into the distal esophagus. Rats were decapitated on the 3rd day (early group) or 28th day (late group), and treated daily with either saline or halofuginone (100 µg/kg/day; i.p.), continued on alternate days after the third day. Histopathological evaluation and measurement of nitric oxide (NO), peroxynitrite (ONOO-) and oxygen-derived radicals by chemiluminescence (CL) were made in the distal 2 cm of the esophagus. Non-irrigated proximal esophageal samples were assessed for the levels of nuclear factor (NF)-κB, caspase-3, glutathione (GSH), malondialdehyde (MDA) and myeloperoxidase (MPO) activity.


GSH, MDA, NF-κB and caspase-3 levels, and MPO activity in the proximal esophagus were not different among groups. Increased number of TUNEL (+) cells in the irrigated esophagus of the early and late caustic injury groups was reduced by halofuginone treatment. High microscopic damage scores in both early and late CEI groups were decreased with halofuginone treatment. NO, ONOO- and CL levels, which were elevated in the saline-treated early CEI group, were reduced by halofuginone treatment, but reduced NO and ONOO- levels in the late period of saline-treated group were increased by halofuginone.


In addition to its anti-fibrotic effects, current findings demonstrate that halofuginone exerts antioxidant and anti-apoptotic actions and supports therapeutic potential for halofuginone in CEI-induced oxidative stress.


Halofuginone Caustic burn Reactive oxygen metabolites Oxidative injury 



The authors acknowledge Merve Evren, PhD Candidate at Ege University Natural and Applied Sciences Department of Biotechnology, for the preparation of the excellent medical illustration ( This work was supported by a grant from Marmara University Research Fund. All institutional and national guidelines for the care and use of laboratory animals were followed.

Compliance with ethical standards

Ethical Statement

All experimental protocols were approved by the Marmara University Animal Care and Use Committee (06.2014.mar).

Conflict of interest

Authors have no financial, personal, academic or intellectual conflicts of interest to declare, except for the grant obtained from the Marmara University Research Fund, Istanbul, Turkey (SAG-B-100914-0308).


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Copyright information

© The Japan Esophageal Society and Springer Japan KK 2017

Authors and Affiliations

  1. 1.Department of Pediatric Surgery, School of MedicineMarmara UniversityIstanbulTurkey
  2. 2.Department of Physiology, School of MedicineMarmara UniversityIstanbulTurkey
  3. 3.Department of Histology and Embryology, School of MedicineMarmara UniversityIstanbulTurkey
  4. 4.Department of Basic Health SciencesMarmara University Health Sciences FacultyIstanbulTurkey
  5. 5.Department of Medical LaboratoryMarmara University Vocational School of Health Related ProfessionsIstanbulTurkey

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