Effects of iron modulation on mesenchymal stem cell-induced drug resistance in estrogen receptor-positive breast cancer.

Effects of iron modulation on mesenchymal stem cell-induced drug resistance in estrogen receptor-positive breast cancer.
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铁调节对雌激素受体阳性乳腺癌间充质干细胞诱导耐药的影响。

DOI:
10.1038/s41388-022-02385-9
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发表时间:
2022-07
期刊:
影响因子:
8
通讯作者:
Luker, Gary D.
Luker, Gary D.
中科院分区:
医学1区
文献类型:
--
作者:
Buschhaus, Johanna M.;Rajendran, Shrila;Humphries, Brock A.;Cutter, Alyssa C.;Muniz, Ayse J.;Ciavattone, Nicholas G.;Buschhaus, Alexander M.;Caneque, Tatiana;Nwosu, Zeribe C.;Sahoo, Debashis;Bevoor, Avinash S.;Shah, Yatrik M.;Lyssiotis, Costas A.;Ghosh, Pradipta;Wicha, Max S.;Rodriguez, Raphael;Luker, Gary D.

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雌激素受体阳性(ER+)乳腺癌是最常见的亚型,患者在确诊数年后仍有发生致命转移疾病的风险。复发的部分原因是骨髓中的肿瘤细胞对雌激素靶向治疗产生了抗药性。在这里,我们利用骨髓间充质干细胞(MSCs)和ER+乳腺癌细胞的共培养模型来概括骨髓中癌细胞的相互作用。与MSCs直接接触的ER+乳腺癌细胞获得癌症干样(CSC)表型,对标准抗雌激素药物的耐药性增加。我们证实,与MSCs共培养增加了乳腺癌细胞中的活性铁,这是一种与CSCs和疾病进展相关的表型。临床批准的铁络合剂和内部溶酶体铁靶向化合物恢复了对抗雌激素治疗的敏感性。这些发现确立了铁调节作为逆转MSC诱导的耐药性的机制,并建议铁调节与雌激素靶向治疗相结合是治疗ER+乳腺癌的一种有前途的、可翻译的策略。
Patients with estrogen-receptor-positive (ER+) breast cancer, the most common subtype, remain at risk for lethal metastatic disease years after diagnosis. Recurrence arises partly because tumor cells in bone marrow become resistant to estrogen-targeted therapy. Here, we utilized a co-culture model of bone marrow mesenchymal stem cells (MSCs) and ER+ breast cancer cells to recapitulate interactions of cancer cells in bone marrow niches. ER+ breast cancer cells in direct contact with MSCs acquire cancer stem-like (CSC) phenotypes with increased resistance to standard antiestrogenic drugs. We confirmed that co-culture with MSCs increased labile iron in breast cancer cells, a phenotype associated with CSCs and disease progression. Clinically approved iron chelators and in-house lysosomal iron-targeting compounds restored sensitivity to antiestrogenic therapy. These findings establish iron modulation as a mechanism to reverse MSC-induced drug resistance and suggest iron modulation in combination with estrogen-targeted therapy as a promising, translatable strategy to treat ER+ breast cancer.
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发表时间: 2019-12-01
期刊: TOMOGRAPHY
影响因子: 1.9
作者:
Eckley, Samantha S.;Buschhaus, Johanna M.;Luker, Gary D.
通讯作者: Luker, Gary D.
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期刊: Stem cell reports
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