Journal of oral pathology & medicine : official publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology · 1995
Effects of testosterone on tumor induction and epidermal growth factor production in the mouse submandibular gland.
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Yura Y, Tsujimoto H, Kusaka J, Yoshida H, Sato M
Аннотация
To determine whether testosterone administration was capable of modifying salivary gland carcinogenesis, female mice were given 1 mg of 9,10-dimethyl-1,2-benzanthracene (DMBA) into the left submandibular gland and then Group 1 mice received 5 mg of testosterone propionate and Group 2 mice received vehicle, olive oil, subcutaneously for 8 weeks. Twelve weeks after the start of the experiment, the weight of the left submandibular gland of the Group 2 mice was greater than that of the Group 1 mice. The incidences of submandibular gland carcinoma in Groups 1 and 2 were 41% (12/29) and 57% (17/30), respectively. Epidermal growth factor (EGF) levels of the left submandibular gland were significantly higher in Group 1 as compared with Group 2. These findings indicate that testosterone increases the production of EGF in the DMBA-injected submandibular gland, but does not promote the development of submandibular gland carcinoma.