【摘 要】
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Aberrant expression ofcarcinoembryonic antigen(CEA)is a common feature for multiple types of cancer,which makes it an attractive target for anticancer therapy.C
【机 构】
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Laboratory Animal Center,Department of Gastroenterology,Institute of Radiation Medicine,Department o
论文部分内容阅读
Aberrant expression ofcarcinoembryonic antigen(CEA)is a common feature for multiple types of cancer,which makes it an attractive target for anticancer therapy.CAtin is a novel dual cancer-specific fusion protein,composed of an anti-CEA single-chain disulfide-stabilized Fv antibody(scdsFv)and Apoptin,a tumor-specific apoptosis-inducing protein.Oral squamous cell carcinoma(OSCC)is an important healthcare problem in the clinic.To evaluate the anticancer effects of CAtin on OSCC,7,12-dimethylbenz[a]anthracene(DMBA)was used to induce oral carcinogenesis and premalignant lesions in the buccal pouch of Chinese hamster,and the antitumor effects of CAtin were determined in pre-cancer,cancer and post-operatative cancer models,respectively.The results show that the administration of CAtin delayed the malignant transformation of early stage cancerous lesions,inhibited the growth of established solid oral tumors and reduced the post-operatative relapse of lesions,with no significant systemic toxicity.This study demonstrates that CAtin may have potential for the treatment of OSCC,and the development of preventive strategies based on CAtin may offer a practical approach for the treatment of human oral tumors.
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