RORα, a potential tumor suppressor and therapeutic target of breast cancer.

RORα, a potential tumor suppressor and therapeutic target of breast cancer.
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DOI:
10.3390/ijms131215755
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发表时间:
2012-11-26
影响因子:
5.6
通讯作者:
Xu R
Xu R
中科院分区:
生物学2区
文献类型:
--
作者:
Du J;Xu R

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核受体(NR)在乳腺癌进展中的作用已经研究了几十年。大多数核受体具有良好表征的天然配体,但其中一些是孤儿受体,尚未鉴定出配体。RORα是维甲酸孤儿核受体(ROR)亚家族的成员之一,调节多种细胞和病理活动。与正常乳腺组织相比,RORα在乳腺癌中通常下调和/或低活化。RORα的表达抑制乳腺癌细胞的恶性表型,在体外和体内。RORα的活性可分为经典和非经典核受体途径,它们反过来调节乳腺癌细胞的各种功能,包括细胞增殖、凋亡和侵袭。这些信息表明RORα是一种有效的肿瘤抑制因子,也是乳腺癌的潜在治疗靶点。
The function of the nuclear receptor (NR) in breast cancer progression has been investigated for decades. The majority of the nuclear receptors have well characterized natural ligands, but a few of them are orphan receptors for which no ligand has been identified. RORα, one member of the retinoid orphan nuclear receptor (ROR) subfamily of orphan receptors, regulates various cellular and pathological activities. RORα is commonly down-regulated and/or hypoactivated in breast cancer compared to normal mammary tissue. Expression of RORα suppresses malignant phenotypes in breast cancer cells, in vitro and in vivo. Activity of RORα can be categorized into the canonical and non-canonical nuclear receptor pathways, which in turn regulate various breast cancer cellular function, including cell proliferation, apoptosis and invasion. This information suggests that RORα is a potent tumor suppressor and a potential therapeutic target for breast cancer.
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