Racial Disparity in Quadruple Negative Breast Cancer: Aggressive Biology and Potential Therapeutic Targeting and Prevention.

Racial Disparity in Quadruple Negative Breast Cancer: Aggressive Biology and Potential Therapeutic Targeting and Prevention.
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DOI:
10.3390/cancers14184484
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发表时间:
2022-09-16
期刊:
影响因子:
5.2
通讯作者:
Seewaldt, Victoria L.
Seewaldt, Victoria L.
中科院分区:
医学2区
文献类型:
--
作者:
Jinna, Nikita;Jovanovic-Talisman, Tijana;LaBarge, Mark;Natarajan, Rama;Kittles, Rick;Sistrunk, Christopher;Rida, Padmashree;Seewaldt, Victoria L.

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四阴性乳腺癌 (QNBC) 是三阴性 BC 的一个亚型,已成为一种高度侵袭性的 BC 亚型,对黑人/非裔美国人 (AA) 女性造成不成比例的困扰和影响。在本文中,我们回顾了黑人/AA 和白人/欧美 (EA) QNBC 生物学的分子差异,并解决了可能导致这种种族差异负担的潜在非遗传风险因素。我们的目标是提供更深入的见解,为新发现可行的治疗靶点提供框架,并确定生活方式的改变以改​​善黑人/AA QNBC 患者的预后。与白人/欧洲裔美国 (EA) 女性相比,黑人/非裔美国 (AA) 女性的乳腺癌死亡率高得不成比例。这种生存差异的核心在于,黑人/AA 女性罹患侵袭性乳腺癌亚型的负担不平等,例如三阴性乳腺癌(ER/PR-、HER2-野生型;TNBC)。虽然 TNBC 已得到充分表征,但最近的研究发现了 TNBC 的一种高度侵袭性雄激素受体 (AR) 阴性亚型,即四阴性乳腺癌(ER/PR-、HER2-野生型、AR-;QNBC)。与 TNBC 类似,QNBC 对黑人/AA 女性的影响不成比例,并且可能在黑人/AA 女性经历的乳腺癌生存差异中发挥着重要作用。在这里,我们讨论 QNBC 的种族差异以及可能导致黑人/AA 女性 QNBC 攻击性生物学的分子信号传导途径。我们的近期目标是重点关注 Black/AA QNBC 的潜在预防和治疗目标;我们的最终目标是为减少黑人/AA 女性所经历的乳腺癌生存负担提供更深入的见解。
Quadruple negative breast cancer (QNBC), a subgroup of triple negative BC, has emerged as a highly aggressive BC subtype that disproportionately afflicts and impacts Black/African-American (AA) women. In this article, we review molecular distinctions in Black/AA and White/European-American (EA) QNBC biology as well as address potential non-genetic risk factors that could be underlying this racially disparate burden. We aim to provide deeper insight and provide a framework for novel discovery of actionable therapeutic targets and identify lifestyle changes to improve outcomes for Black/AA QNBC patients. Black/African-American (AA) women, relative to their White/European-American (EA) counterparts, experience disproportionately high breast cancer mortality. Central to this survival disparity, Black/AA women have an unequal burden of aggressive breast cancer subtypes, such as triple-negative breast cancer (ER/PR-, HER2-wild type; TNBC). While TNBC has been well characterized, recent studies have identified a highly aggressive androgen receptor (AR)-negative subtype of TNBC, quadruple-negative breast cancer (ER/PR-, HER2-wildtype, AR-; QNBC). Similar to TNBC, QNBC disproportionately impacts Black/AA women and likely plays an important role in the breast cancer survival disparities experienced by Black/AA women. Here, we discuss the racial disparities of QNBC and molecular signaling pathways that may contribute to the aggressive biology of QNBC in Black/AA women. Our immediate goal is to spotlight potential prevention and therapeutic targets for Black/AA QNBC; ultimately our goal is to provide greater insight into reducing the breast cancer survival burden experienced by Black/AA women.
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