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TRIM3 facilitates estrogen signaling and modulates breast cancer cell progression

Zhuang, Ting ; Wang, Beibei ; Tan, Xiaojing ; Wu, Le ; Li, Xin ; Li, Zhongbo ; Cai, Yuqing ; Fan, Rongrong ; Yang, Xiao ; Zhang, Chenmiao ; Xia, Yan ; Niu, Zhiguo ; Liu, Bingtian ; Cao, Qi ; Ding, Yinlu ; Zhou, Zhipeng ; Huang, Qingsong ; Yang, Huijie

Cell communication and signaling, 2022-04, Vol.20 (1), p.45-45, Article 45 [Revista revisada por pares]

England: BioMed Central

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TRIM3 facilitates estrogen signaling and modulates breast cancer cell progression
Autor: Zhuang, Ting ; Wang, Beibei ; Tan, Xiaojing ; Wu, Le ; Li, Xin ; Li, Zhongbo ; Cai, Yuqing ; Fan, Rongrong ; Yang, Xiao ; Zhang, Chenmiao ; Xia, Yan ; Niu, Zhiguo ; Liu, Bingtian ; Cao, Qi ; Ding, Yinlu ; Zhou, Zhipeng ; Huang, Qingsong ; Yang, Huijie
Materias: Breast cancer ; Breast Neoplasms - metabolism ; Carrier Proteins - metabolism ; Cell Line, Tumor ; Cell migration ; Cell Proliferation ; Cell viability ; Cholecystokinin ; Endocrine therapy ; ER alpha ; Estrogen receptors ; Estrogens ; Female ; Gene expression ; Gene Expression Regulation, Neoplastic ; Genomes ; Humans ; Immunomodulation ; Immunoprecipitation ; Kinases ; Ligands ; Medicin och hälsovetenskap ; Plasmids ; Proteins ; Selective estrogen receptor modulators ; Stability ; Tamoxifen - pharmacology ; TRIM3 ; Ubiquitin ; Ubiquitin - metabolism ; Ubiquitin-protein ligase ; Ubiquitination ; Western blotting ; Wound healing
Es parte de: Cell communication and signaling, 2022-04, Vol.20 (1), p.45-45, Article 45
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
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Descripción: Breast cancer is the most common cancer in women worldwide. More than 70% of breast cancers are estrogen receptor (ER) alpha positive. Compared with ER alpha-negative breast cancer, which is more aggressive and has a shorter survival time, ER alpha-positive breast cancer could benefit from endocrine therapy. Selective estrogen receptor modulators, such as tamoxifen, are widely used in endocrine therapy. Approximately half of ER alpha-positive breast cancer patients will eventually develop endocrine resistance, making it a major clinical challenge in therapy. Thus, decoding the throughput of estrogen signaling, including the control of ER alpha expression and stability, is critical for the improvement of breast cancer therapeutics. TRIM3 and ER alpha protein expression levels were measured by western blotting, while the mRNA levels of ER alpha target genes were measured by RT-PCR. A CCK-8 assay was used to measure cell viability. RNA sequencing data were analyzed by Ingenuity Pathway Analysis. Identification of ER alpha signaling activity was accomplished with luciferase assays, RT-PCR and western blotting. Protein stability assays and ubiquitin assays were used to detect ER alpha protein degradation. Ubiquitin-based immunoprecipitation assays were used to detect the specific ubiquitination modification on the ER alpha protein. In our current study, we found that TRIM3, an E3 ligase, can promote ER alpha signaling activity and breast cancer progression. TRIM3 depletion inhibits breast cancer cell proliferation and migration, while unbiased RNA sequencing data indicated that TRIM3 is required for the activity of estrogen signaling on the -genome-wide scale. The immunoprecipitation assays indicated that TRIM3 associates with ER alpha and promotes its stability, possibly by inducing K63-linked polyubiquitination of ER alpha. In conclusion, our data implicate a nongenomic mechanism by which TRIM3 stabilizes the ER alpha protein to control ER alpha target gene expression linked to breast cancer progression. Our study provides a novel posttranslational mechanism in estrogen signaling. Modulation of TRIM3 expression or function could be an interesting approach for breast cancer treatment. Video abstract.
Editor: England: BioMed Central
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TRIM3 facilitates estrogen signaling and modulates breast cancer cell progression

Zhuang, Ting ; Wang, Beibei ; Tan, Xiaojing ; Wu, Le ; Li, Xin ; Li, Zhongbo ; Cai, Yuqing ; Fan, Rongrong ; Yang, Xiao ; Zhang, Chenmiao ; Xia, Yan ; Niu, Zhiguo ; Liu, Bingtian ; Cao, Qi ; Ding, Yinlu ; Zhou, Zhipeng ; Huang, Qingsong ; Yang, Huijie

England: BioMed Central

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