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Expressions of Notch1 and Cyclin D1 in mammary ductal hyperplasia and ductal carcinoma / 中国医师进修杂志
Chinese Journal of Postgraduates of Medicine ; (36): 1-4, 2010.
Artigo em Chinês | WPRIM | ID: wpr-389201
ABSTRACT
Objective To investigate the relationship between mammary ductal hyperplasia and ductal carcinoma by detecting the expressions of Notch1 and Cyclin D1 in various histotypic mammary ductal diseases.Methods A total cases of 44 normal ductal tissues,44 usual ductal hyperplasias.40 atypical ductal hyperplasias,42 ductal carcinomas in situ and 51 invasive ductal carcinomas were included in this study.Expressions of Notch1 and Cyclin D1 were detected by S-P immunohistochemistry.Results There was significant difference of expression of Notch1 among the five subgroups of this study(P<0.01);there were significant differences between every two subgroups(P<0.05)except for normal ductal tissues versus usual ductal hyperplasias and ductal carcinomas in situ versus invasive ductal carcinomas(P>0.05).There was also significant difference of expression of CychnD1 amongthe five subgroups of this study(P<0.01),and there were significant difference between every two subgroups(P<0.05)except for normal ductal tissues versus usual ductal hyperplasias and normal ductal tissues versus atypical ductal hyperplasia(P>0.05).The correlation between Notch1 and Cyclin D1 was negative (r=-0.428,P<0.01).Conclusions There is a relationship between mammary ductal hyperplasia and ductal carcinoma.Decrease of Nowhl or increase of Cyclin D1 expressions may promote nmnmmry ductal hyperplasia advancing to manunary ductal carcinoma.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Postgraduates of Medicine Ano de publicação: 2010 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Postgraduates of Medicine Ano de publicação: 2010 Tipo de documento: Artigo