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PKR (double-stranded R NA activated p rotein k inase) is overexpressed and overactive in human breast carcinoma (BC) cells. Here, we report that BC cells also have higher PKR mRNA levels and exhibit increased transcription from the PKR promoter. Mutational analysis of the PKR promoter indicated...
Cinnamaldehyde is an active compound isolated from the stem bark of Cinnamomum cassia, a traditional oriental medicinal herb, which has been shown to inhibit tumor cell proliferation. In this study, we investigated the effects of cinnamaldehyde on the cytotoxicity, induction of apoptosis and the...
We examined the expression of four angiogenesis factors (vascular endothelial growth factor (VEGF), interleukin-8 (IL-8), platelet-derived endothelial cell growth factor (PD-ECGF) and basic fibroblast growth factor (bFGF)) in five human ovarian cancer cell lines by Northern blot analysis and...
Environmental chemicals are one of the risk factors in breast cancer genesis. Cytochrome P450 2E1 (CYP2E1), a member of multigene superfamily of enzymes, plays a major role in the activation of some of these chemicals such as tobacco-derived N -nitrosamines. Using immunohistochemistry, the...
Human papillomavirus (HPV) infection is one of the most common sexually transmitted infections (STIs) in young women. They can occur in one or multiple areas of the female genitalia. Usually, the vulva is the initial site of implantation for HPV. The purpose of our study is to evaluate the...
DNA damage such as chemical carcinogen or gamma-rays induces aberrant crypts in the rat colorectum. We demonstrated that formation of aberrant crypts is different among inbred rat strains (WKAH, DA and F344/N). DA had less preneoplastic lesions in the colorectum than the others regardless of the...
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