Central nervous system toxicity after acute oral formaldehyde exposure in rabbits An experimental study    
Yazarlar (8)
Semih Arıcı
Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Prof. Dr. Serkan KARAMAN Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Serkan Doğru
Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Sevil Çaylı
Ankara Yıldırım Beyazıt Üniversitesi, Türkiye
Dr. Öğr. Üyesi Akgül ARICI Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Mustafa Süren
Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Prof. Dr. Tuğba KARAMAN Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Ziya Kaya
Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Makale Türü Açık Erişim Özgün Makale
Makale Alt Türü SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale
Dergi Adı HUMAN & EXPERIMENTAL TOXICOLOGY
Dergi ISSN 0960-3271 Wos Dergi Scopus Dergi
Dergi Tarandığı Indeksler SCI
Dergi Grubu Q4
Makale Dili İngilizce
Basım Tarihi 11-2014
Cilt No 33
Sayı 11
Sayfalar 1141 / 1149
DOI Numarası 10.1177/0960327113514098
Makale Linki http://het.sagepub.com/cgi/doi/10.1177/0960327113514098
Özet
Formaldehyde (FA) is one of the most widely used chemical compounds in industrial field. It is described as toxic, particularly to the nervous system, the urogenital system, and the respiratory tracts. In this study, we determined the effects of acute oral exposure to FA in rabbit brain tissue. A total of 16 rabbits were selected and divided into 2 groups: formaldehyde group (group F) and control group (group C). FA was administered to group F at a rate of 40 mg/kg/day via a nasogastric tube for 5 days. Saline was similarly administered to the eight controls. All the animals were euthanized after 5 days of exposure, and brain tissue samples were collected in 10% neutral formalin and embedded in paraffin. To investigate the effects of FA on the apoptotic process, we examined active caspase-3, Bax, and Bcl-2 immunohistochemical expression and terminal deoxynucleotidyl transferase-mediated deoxyuridine triphosphate -biotin nick-end labeling (TUNEL) reactivity in the rabbit brains. In addition, glial fibrillary acidic protein (GFAP) was biochemically assessed in brain tissue samples for neurotoxicity. We found that FA treatment caused a significant decrease in Bcl-2 expression and an increase in active caspase-3 and Bax expressions as well as an increase in the number of TUNEL-positive apoptotic cells. The GFAP level was found to be significantly higher in group F. In conclusion, acute oral exposure to FA caused DNA damage, apoptosis, and neuronal injury in the rabbit brains.
Anahtar Kelimeler
Formaldehyde | apoptosis | oral toxicity | glial fibrillary acidic protein | rabbit brain