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Sox9 overexpression in uterine epithelia induces endometrial gland hyperplasia.


ABSTRACT: SOX9 is a high mobility group transcription factor that is required in many biological processes, including cartilage differentiation, endoderm progenitor maintenance, hair differentiation, and testis determination. SOX9 has also been linked to colorectal, prostate, and lung cancer. We found that SOX9 is expressed in the epithelium of the adult mouse and human uterus, predominantly marking the uterine glands. To determine if SOX9 plays a role in the development of endometrial cancer we overexpressed Sox9 in the uterine epithelium using a progesterone receptor-Cre mouse model. Sox9 overexpression in the uterine epithelium led to the formation of simple and complex cystic glandular structures in the endometrium of aged-females. Histological analysis revealed that these structures appeared morphologically similar to structures present in patients with endometrial hyperplastic lesions and endometrial polyps that are thought to be precursors of endometrial cancer. The molecular mechanisms that cause the glandular epithelium to become hyperplastic, leading to endometrial cancer are still poorly understood. These findings indicate that chronic overexpression of Sox9 in the uterine epithelium can induce the development of endometrial hyperplastic lesions. Thus, SOX9 expression may be a factor in the formation of endometrial cancer.

SUBMITTER: Gonzalez G 

PROVIDER: S-EPMC5133190 | biostudies-literature | 2016 Oct - Nov

REPOSITORIES: biostudies-literature

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Sox9 overexpression in uterine epithelia induces endometrial gland hyperplasia.

Gonzalez Gabriel G   Mehra Shyamin S   Wang Ying Y   Akiyama Haruhiko H   Behringer Richard R RR  

Differentiation; research in biological diversity 20160601 4


SOX9 is a high mobility group transcription factor that is required in many biological processes, including cartilage differentiation, endoderm progenitor maintenance, hair differentiation, and testis determination. SOX9 has also been linked to colorectal, prostate, and lung cancer. We found that SOX9 is expressed in the epithelium of the adult mouse and human uterus, predominantly marking the uterine glands. To determine if SOX9 plays a role in the development of endometrial cancer we overexpre  ...[more]

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