Journal of Clinical Biochemistry and Nutrition
Online ISSN : 1880-5086
Print ISSN : 0912-0009
ISSN-L : 0912-0009
Original Articles
The significance of CDT1 expression in non-cancerous and cancerous liver in cases with hepatocellular carcinoma
Masahiro Ogawa, Mitsuhiko Moriyama, Yutaka Midorikawa, Hitomi Nakamura, Toshikatu Shibata, Kazumichi Kuroda, Hisashi Nakayama, Kazunori Kanemaru, Toshio Miki, Masahiko Sugitani, Tadatoshi Takayama
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Keywords: chromatin licensing and DNA replication factor 1, hepatocellular carcinoma, proliferation of atypical hepatocytes, Ki-67, P57 kip2
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2023 Volume 73 Issue 3 Pages 234-248

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Abstract

We previously reported that chromatin licensing and DNA replication factor 1 (CDT1) expression was associated with the extent of proliferation of atypical hepatocytes and the time to postoperative recurrence in cases of hepatocellular carcinoma (HCC). This study aimed to clarify the clinical significance or pathogenesis of CDT1 expression in both non-cancerous and cancerous liver in HCC cases, including previously published data. We investigated the association between the expression of CDT1 in non-cancerous or cancerous liver tissues and histologic findings or biochemical examination results in 62 cases. We also examined the dual localization between CDT1 and FbxW7, P57kip2, P53 and ‍c-Myc by confocal laser scanning microscopy. CDT1 mRNA expression was significantly higher in cancerous liver than in non-cancerous liver (p<0.0001). Elevated CDT1 mRNA expression indicates a significantly degree of inflammatory cell infiltration within lobules, along with elevated serum transaminase levels, and hepatic spare decline. CDT1 mRNA was highly expressed in a group of poorly differentiated cancer cells. CDT1 co-localized with P57kip2, Fbwx7, P53 and c-Myc in the nucleus or cytoplasm of ‍hepatocytes and cancer cells. We found that CDT1 mRNA expression could represent the degree of hepatic spare ability and ‍the high carcinogenic state.

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© 2023 JCBN

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