Exosomal miR-19a and IBSP cooperate to induce osteolytic bone metastasis of estrogen receptor-positive breast cancer

Exosomal miR-19a and IBSP cooperate to induce osteolytic bone metastasis of estrogen receptor-positive breast cancer

Bone metastasis is a major complication of breast cancer (BC) and ER+ tumors have a higher incidence of bone metastasis than ER− tumors. Here, the authors report that miR‐19a in exosomes and the bone matrix protein, IBSP, are upregulated and secreted by bone tropic ER+ BC cells, where they cooperati...

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Autores principales: Kerui Wu, Jiamei Feng, Feng Lyu, Fei Xing, Sambad Sharma, Yin Liu, Shih-Ying Wu, Dan Zhao, Abhishek Tyagi, Ravindra Pramod Deshpande, Xinhong Pei, Marco Gabril Ruiz, Hiroyuki Takahashi, Shunsuke Tsuzuki, Takahiro Kimura, Yin-yuan Mo, Yusuke Shiozawa, Ravi Singh, Kounosuke Watabe
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/7296b39706fa487aa5244bf2e2e92852
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Sumario:Bone metastasis is a major complication of breast cancer (BC) and ER+ tumors have a higher incidence of bone metastasis than ER− tumors. Here, the authors report that miR‐19a in exosomes and the bone matrix protein, IBSP, are upregulated and secreted by bone tropic ER+ BC cells, where they cooperatively induce osteoclastogenesis and promote bone colonization.

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