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Title of article :
Prenatal and developmental effect of high molecular weight chitosan (HMWCS) to mice
Author/Authors :
Cheng، نويسنده , , Qinyuan and Zhang، نويسنده , , Jiali and Xia، نويسنده , , Wenshui، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2013
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Abstract :
High molecular weight chitosan (HMWCS) is effective at hemostasis and wound healing, and will be potentially used on injured internal organs. To study its prenatal and developmental effect in vivo, forty-four ICR pregnant mice per group were singly injected intraperitoneally at 0, 125, 500 or 2000 mg/kg body weight, respectively, on gestation day 6 (GD6). Clinical signs, reproductive capacity, fetus and infant developments, and histopathological changes were then observed. The results showed that the treatment of HMWCS could decrease body weights and food consumptions, and induce diarrhea, vaginal bleeding, and some other adverse effects in F0 mice. For the emaciation and threatened abortion of pregnant mice, the numbers of live fetuses and early resorption were reduced significantly in HMWCS groups. However, the developments of F1 and F2 mice were not affected, except for lower weights of the body and some organs. In addition, the NOAEL of HMWCS in maternal toxicity was considered to be less than 125 mg/kg, and the NOAEL in developmental toxicity was 125 mg/kg.
Keywords :
mouse , Prenatal effect , Developmental effect , Intraperitoneal injection , Chitosan
Journal title :
Regulatory Toxicology and Pharmacology
Journal title :
Regulatory Toxicology and Pharmacology
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