Tomoko Shimada

Teikyo University Hospital, Edo, Tokyo, Japan

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Publications (2)0.78 Total impact

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    ABSTRACT: The efficacy of local steroid injection on the extravasation of vesicant anticancer drugs is controversial. In this study, the efficacy of local steroid injection was evaluated macroscopically and histologically in the extravasation models of doxorubicin (DXR), vinorelbine (VNR), and paclitaxel (PTX)in rats. Macroscopically, gross skin lesions were reduced by local steroid injections in rats treated with DXR and VNR. PTX did not cause gross skin lesions in most rats regardless of local steroid injection. Histologically, however, DXR, VNR, and PTX all induced deep tissue lesions such as edema, inflammation, and necrosis. Therefore, the effect of local steroid injection seemed to be minimal. In particular, DXR induced extensive necrosis in the subcutaneous and muscle tissues. VNR-induced skin lesions were milder than those induced by DXR, but had full thickness. Lesions caused by PTX were the mildest. These findings suggest that although local steroid injections could serve a primary role in diluting anticancer drugs and reducing gross skin lesions by their anti-inflammatory effect, they have less ability for suppressing deep-tissue lesions developing over time.
    No preview · Article · Apr 2012 · Gan to kagaku ryoho. Cancer & chemotherapy
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    ABSTRACT: Probiotic strains have been reported to have the ability to control allergic and inflammatory diseases. In this study, we studied the inhibitory effect of Bacillus subtilis (natto) (BS) on atopic dermatitis. The effects of continuous oral administration of BS for 4 weeks on the development of atopic dermatitis induced by Dermatophagoides farinae body antigen (DF) in NC/Nga (NC) mice were evaluated using 4 groups of mice: group (Gp) DF, DF(+) with no administration of bacteria (n=3); Gp DF/BS, DF(+) and BS(+) (n=5); and Gp PBS, DF(-) with no administration of bacteria (n=3). The mice were gavaged with 1.2 × 10(17) CFU/head of BS 6 times a week for 4 weeks, and DF was applied twice a week for 4 weeks. Histopathological examination revealed significant differences in auricular thickness between Gp DF (664.4 µm, SD=78.0) and Gp DF/BS (278.7 µm, SD = 88.8; p<0.01). The dorsal skin of Gp DF/BS (316.7 µm, SD=187.4) was significantly thinner than that of Gp DF (503 µm, SD=116.3). These results suggest that continuous oral administration of fermented food-derived bacteria (BS) can be effective in alleviating the development of skin lesions induced by DF in NC mice.
    No preview · Article · Dec 2010 · Journal of Veterinary Medical Science

Publication Stats

4 Citations
0.78 Total Impact Points


  • 2012
    • Teikyo University Hospital
      Edo, Tokyo, Japan
  • 2010
    • Teikyo University
      • Department of Laboratory Medicine
      Edo, Tokyo, Japan