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UHRF1 suppression promotes cell differentiation and reduces inflammatory reaction in anaplastic thyroid cancer.


ABSTRACT: Anaplastic thyroid cancer (ATC), an undifferentiated subtype of thyroid cancer, is one of the most malignant endocrine cancer with low survival rate, and resistant to chemotherapy and radiation therapy. Here we found that UHRF1 was highly expressed in human ATC compared with normal tissue and papillary thyroid cancer (PTC). Knockdown of UHRF1 inhibited proliferation of ATC in vitro and in vivo. Consistently, overexpression of UHRF1 promoted the proliferation of thyroid cancer cells. Moreover, UHRF1 suppression induced differentiation of three-dimensional (3D) cultured ATC cells and down-regulated the expression of dedifferentiation marker (CD97). The stem cell markers (Sox2, Oct4 and Nanog) were suppressed simultaneously. In addition, UHRF1 knockdown reduced the transcription of cytokines (IL-8, TGF-? and TNF-?), which might relieve the inflammatory reaction in ATC patients. This study demonstrated a role of UHRF1 in ATC proliferation, dedifferentiation and inflammatory reaction, presenting UHRF1 as a potential target in ATC therapy.

SUBMITTER: Wang BC 

PROVIDER: S-EPMC6112835 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature

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UHRF1 suppression promotes cell differentiation and reduces inflammatory reaction in anaplastic thyroid cancer.

Wang Bi-Cheng BC   Lin Guo-He GH   Wang Bo B   Yan Min M   He Bin B   Zhang Wei W   Yang An-Kui AK   Long Zi-Jie ZJ   Liu Quentin Q  

Oncotarget 20160718 62


Anaplastic thyroid cancer (ATC), an undifferentiated subtype of thyroid cancer, is one of the most malignant endocrine cancer with low survival rate, and resistant to chemotherapy and radiation therapy. Here we found that UHRF1 was highly expressed in human ATC compared with normal tissue and papillary thyroid cancer (PTC). Knockdown of UHRF1 inhibited proliferation of ATC <i>in vitro</i> and <i>in vivo</i>. Consistently, overexpression of UHRF1 promoted the proliferation of thyroid cancer cells  ...[more]

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