BJC:P4HA2表达是乳腺导管原位癌的不良预后因素

2018-11-11 MedSci MedSci原创

细胞外基质(ECM)在肿瘤行为学中起着至关重要的作用。脯氨酰-4-羟化酶-A2(P4HA2)是ECM重塑的关键酶。BJC近期发表了一篇文章,评估P4HA2在乳腺导管原位癌(DCIS)中的预后意义。

细胞外基质(ECM)在肿瘤行为学中起着至关重要的作用。脯氨酰-4-羟化酶-A2(P4HA2)是ECM重塑的关键酶。BJC近期发表了一篇文章,评估P4HA2在乳腺导管原位癌(DCIS)中的预后意义。

作者利用免疫组化对包括481个纯DCIS和196个混合DCIS以及侵袭性癌的DCIS群组的恶性细胞和周围基质中P4HA2表达进行评估。使用局部无复发间隔(LRFI)对结果进行分析。研究结果表明,在半数纯DCIS的恶性细胞中检测到高P4HA2表达,在25%的病例中观察到其在基质中的表达。与纯DCIS相比,混合DCIS病例的肿瘤细胞和基质中观察到更高的P4HA2表达。高P4HA2与高风险的DCIS特征相关,包括年龄较小,分级较高,粉刺样坏死,三阴性和HER2阳性。研究还发现P4HA2还会对放疗产生影响。高P4HA2表达是LRFI不良的独立预后因素。

文章最后认为,P4HA2在DCIS进展中起作用,可用于预测DCIS患者结局。将P4HA2与其他临床病理参数相结合可以改善DCIS的风险分层,进而指导治疗决策。

原始出处:

Michael S. Toss, Islam M. Miligy, et al. Prolyl-4-hydroxylase Α subunit 2 (P4HA2) expression is a predictor of poor outcome in breast ductal carcinoma in situ (DCIS). BJC. November 9 2018 doi: https://doi.org/10.1038/s41416-018-0337-x

本文系梅斯医学(MedSci)原创编译整理,转载需授权!


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    2018-11-12 1209e435m98(暂无昵称)

    学习了,谢谢分享

    0

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病例:乳腺导管原位癌治疗的困惑

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