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Related Experiment Videos

Styrene induced pancreatic changes in rodents

S Khanna1, G S Rao, R K Dogra

  • 1Industrial Toxicology Research Centre, Lucknow, India.

Indian Journal of Experimental Biology
|January 1, 1994
PubMed
Summary

Subchronic styrene exposure in rodents caused pancreatic changes and altered insulin levels, but not blood glucose. Guinea pigs showed notable beta cell degranulation and islet neoformation.

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Area of Science:

  • Toxicology
  • Endocrinology
  • Pancreatic Biology

Background:

  • Styrene is an industrial chemical with potential health effects.
  • Rodent models are used to study chemical toxicity.
  • Pancreatic islet function is crucial for glucose homeostasis.

Purpose of the Study:

  • To investigate the effects of subchronic oral styrene exposure on rodent pancreas.
  • To assess alterations in pancreatic histology and serum insulin/glucose levels.

Main Methods:

  • Rodents (mice, rats, guinea pigs) received oral styrene (25-320 mg/kg/day) for 4 weeks, 5 days/week.
  • Pancreatic tissues were examined for histological changes.
  • Serum insulin and blood glucose levels were measured.

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Main Results:

  • Moderate pancreatic lobule congestion and focal islet inflammation observed in mice.
  • Altered serum insulin levels noted, while blood glucose remained unaffected across species.
  • Guinea pigs exhibited increased beta cell degranulation and islet neoformation.

Conclusions:

  • Subchronic styrene exposure induces pancreatic toxicity in rodents.
  • Insulin regulation may be disrupted by styrene, independent of blood glucose levels.
  • Species-specific pancreatic responses to styrene warrant further investigation.