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박채웅(Chae Woong Park),정찬우(Chan Woo Jung),이수미(Soo Mi Lee),강유미(You Mee Kang),한재희(Jae Hee Han),조태일(Tae Il Cho),고덕영(Duk Young Ko) 대한산부인과학회 2000 Obstetrics & Gynecology Science Vol.43 No.5
Ovarian myoma is a rare mesenchymal tumor, accounting for only 1% of benign ovarian neoplasm. These tumors only originate from smooth muscle on the walls of blood vessels in the cortical stroma, in the corpus luteum and in the ovarian ligaments at the point of attachment to the ovary. Most patients are asymptomatic and the tumors are usually found incidently during operations or at autopsies. Two cases of ovarian myoma experienced in our hospital recently are reported with a brief review of the literatures.
자궁경부 편평상피암종에서 p53 단백과 MDM-2 단백 발현에 관한 면역 조직화학 연구
정찬우(Chan Woo Chung),신용각(Yong Kag Shin),박채웅(Chae Woong Park),김창주(Chang Joo Kim),조태일(Tae Il Cho),박언섭(Eon Sub Park) 대한산부인과학회 1999 Obstetrics & Gynecology Science Vol.42 No.10
Objectives: MDM-2 is an oncoprotein that inhibits p53 tumor suppressor protein. Amplication and over- expression of its protein have been observed in human malignancies, and these abnormalities have a role in tumorigenesis through inactivation of p53 function. To elucidate the role of p53 and MDM-2 protein in cervical neoplasia we investigated the expression rates of MDM-2 and p53 protein in surgically resected specimens. Metheds: Immunohistochemical studies using anti-p53 and anti-MDM-2 protein in the paraffin embedded section of 62 cases including cervical intraepithelial neoplasm(CIN) and invasive cervical cancer were performed. Results: Expression rates of p53 protein were 25% in CINⅠ& CINⅡ, 20% in CINⅢ, and 44% in invasive carcinoma, respectively. The MDM-2 protein were 33% in CINⅠ& CINⅡ, 16% in CINⅢ, and 48% in invasive carcinoma, respectively. There was no evident correlation between p53 positivity and MDM-2 positivity(p>0.05). However, correlation between MDM-2 negativity and p53 negativity was statistically significant(p=0.002) Conclusion: These data suggest that the expression of p53 protein is presumed to be necessarily correlated with MDM-2 protein expression in cervical neoplasia.