Biomolecules & Therapeutics

The Korean Society of Applied Pharmacology (한국응용약물학회)
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14 Days Repeat Oral Dose Toxicity of Low Molecular Weight Fucoidan in Rats

  • Yoon, Hyun-Soo (Department of Anatomy and Cell Biology, Hanyang University College of Medicin) ;
  • Shin, Yong-Kyu (BION Co., Ltd.) ;
  • Lee, Seon-Ha (College of Health and Welfare, Kyungwoon University) ;
  • Lee, Dong-Sub (College of Health and Welfare, Kyungwoon University) ;
  • Jung, Young-Mi (BION Co., Ltd.) ;
  • Lee, Hyeung-Sik (Department of Clinical Laboratory Science, College of Health and Therapy) ;
  • Ku, Sae-Kwang (Department of Anatomy and Histology, College of Oriental Medicine, Daegu Haany University)
  • Published : 2010.01.31
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Abstract

In order to investigate the preliminary repeat oral dose toxicity and to determine the highest dosage for further 4-week repeated dose toxicity test, Low Molecular Weight Fucoidan (LMF) has been showed various pharmacological effects, was orally administered to female and male rats, once a day for 14 days at dose levels of 2,000, 1,000, 500 and 0 (vehicle control) mg/kg (body weights) in a volume of 10 ml/kg. The mortality and changes on the body weights, clinical signs, hematology, serum biochemistry and gross observations were monitored with organ weight and histopathology of principle organs. As the results of 14-day repeated oral treatment of LMF, no LMF treatment related mortalities were detected up to 2,000 mg/kg in both male and female rats, respectively. In addition, no noticeable changes on the body weight and clinical signs were detected except for significant decreases on the body weights and gains restricted to male 2,000 mg/kg treated groups as compared with male vehicle control. No meaningful changes on the organ weights, hematological, serum biochemistrical, gross and histopathological findings were observed. Therefore the highest dosage in the 4-week repeated dose toxicity test is suggested as 2,000 mg/kg in both female and male rats, respectively.

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References

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