Dataset Information


Transcription profiling by array of liver from rats treated with furan to study furan-induced cholangiofibrosis

ABSTRACT: Male Sprague Dawley Crl CD BR rats (190-240g, 6-8 weeks old), were obtained from Charles River, UK. They were given access to R&M No.1 diet and tap water ad libitum. Animals were housed 5/sex in solid bottom cages maintained at 21oC +/- 2oC, 12 h light and 12 h dark. All animals were acclimatised for at least 5 days prior to commencement of the study. Furan (CAS 110-00-9, Sigma-Aldrich Co. Ltd, >99 % pure was prepared in corn oil vehicle on the day of use and stored in sealed brown bottles. Furan was administered orally via gavage in corn oil at 30mg/kg (5 daily doses per week). Animals (n=5) were removed and sampled after 3 months of furan treatment. An off-dose recovery group was included at the 3 month time point (1 month off-dose) to enable assessment of lesion reversibility.

INSTRUMENT(S): 418 [Affymetrix]

ORGANISM(S): Rattus norvegicus  

SUBMITTER: Jonathan M Hitchcock  

PROVIDER: E-MEXP-1421 | ArrayExpress | 2008-04-01


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Evidence of oxidative stress and associated DNA damage, increased proliferative drive, and altered gene expression in rat liver produced by the cholangiocarcinogenic agent furan.

Hickling K C KC   Hitchcock J M JM   Oreffo V V   Mally A A   Hammond T G TG   Evans J G JG   Chipman J K JK  

Toxicologic pathology 20100202 2

Furan is a potent cholangiocarcinogen in rat by an as yet undefined mechanism. The risk to man remains unclear. Using a time-course stop study design, we have investigated the potential of furan to induce oxidative stress and DNA damage associated with inflammatory and regenerative responses in rat liver. Furan was administered via oral gavage (30 mg/kg b.w. 5 daily doses per week), and livers were analyzed at time points between eight hr and three months. A one-month recovery group previously t  ...[more]

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