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Bisphenol A exposur...
Bisphenol A exposure increases liver fat in juvenile fructose-fed Fischer 344 rats
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- Rönn, Monika (författare)
- Uppsala universitet,Arbets- och miljömedicin,Uppsala University, Sweden
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- Kullberg, Joel (författare)
- Uppsala universitet,Enheten för radiologi,Uppsala University, Sweden
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- Karlsson, Helen (författare)
- Östergötlands Läns Landsting,Linköpings universitet,Arbets- och miljövetenskap,Hälsouniversitetet,Arbets- och miljömedicin
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- Berglund, Johan (författare)
- Uppsala universitet,Enheten för radiologi,Uppsala University, Sweden
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- Malmberg, Filip (författare)
- Uppsala universitet,Avdelningen för visuell information och interaktion,Bildanalys och människa-datorinteraktion,Uppsala University, Sweden
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- Örberg, Jan (författare)
- Uppsala universitet,Miljötoxikologi,Uppsala University, Sweden
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- Lind, Lars (författare)
- Uppsala universitet,Kardiovaskulär epidemiologi,Uppsala University, Sweden
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- Ahlström, Håkan (författare)
- Uppsala universitet,Enheten för radiologi,Uppsala University, Sweden
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- Lind, P. Monica (författare)
- Uppsala universitet,Arbets- och miljömedicin,Uppsala University, Sweden
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(creator_code:org_t)
- Elsevier BV, 2013
- 2013
- Engelska.
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Ingår i: Toxicology. - : Elsevier BV. - 0300-483X .- 1879-3185. ; 303:1, s. 125-132
- Relaterad länk:
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https://doi.org/10.1...
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https://liu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- BACKGROUND:Prenatal exposure to bisphenol A (BPA) has been shown to induce obesity in rodents. To evaluate if exposure also later in life could induce obesity or liver damage we investigated these hypothesises in an experimental rat model.METHODS: From five to fifteen weeks of age, female Fischer 344 rats were exposed to BPA via drinking water (0.025, 0.25 or 2.5mgBPA/L) containing 5% fructose. Two control groups were given either water or 5% fructose solution. Individual weight of the rats was determined once a week. At termination magnetic resonance imaging was used to assess adipose tissue amount and distribution, and liver fat content. After sacrifice the left perirenal fat pad and the liver were dissected and weighed. Apolipoprotein A-I in plasma was analyzed by western blot.RESULTS:No significant effects on body weight or the weight of the dissected fad pad were seen in rats exposed to BPA, and MRI showed no differences in total or visceral adipose tissue volumes between the groups. However, MRI showed that liver fat content was significantly higher in BPA-exposed rats than in fructose controls (p=0.04). BPA exposure also increased the apolipoprotein A-I levels in plasma (p<0.0001).CONCLUSION: We found no evidence that BPA exposure affects fat mass in juvenile fructose-fed rats. However, the finding that BPA in combination with fructose induced fat infiltration in the liver at dosages close to the current tolerable daily intake (TDI) might be of concern given the widespread use of this compound in our environment.
Nyckelord
- MRI
- Liver fat
- Rat
- Bisphenol A
- Obesity
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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