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首页> 外文期刊>The journal of clinical investigation >Inflammatory lymphangiogenesis in postpartum breast tissue remodeling
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Inflammatory lymphangiogenesis in postpartum breast tissue remodeling

机译:炎性淋巴管生成在产后乳房组织重塑中的作用

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Like many cancers, mammary carcinomas use lymphatic vessels to disseminate, and numerous clinical and experimental studies have documented a strong correlation between peritumoral lymphangiogenesis and tumor dissemination. At the same time, many other factors can affect the incidence, invasiveness, and mortality of breast cancer, including lactation history. Although lactation reduces overall cancer risk, patients diagnosed within 5 years of pregnancy have an increased incidence of metastatic disease. In this issue of the JCI , Lyons and colleagues demonstrate that postpartum breast tissue remodeling during involution coincides with inflammatory lymphangiogenesis. In mouse models, cyclooxygenase-2 (COX-2) inhibition during involution reduced the risk of cancer metastasis and correlated with decreased lymphangiogenesis. In addition to lymphangiogenesis, COX-2 inhibition reduces many of the immune-suppressive features of the tumor microenvironment, including development of myeloid-derived suppressor cells and regulatory T cells; therefore, these results support the notion that inhibiting COX-2 during lactation weaning may lessen the incidence of breast cancer metastasis.
机译:像许多癌症一样,乳癌也使用淋巴管进行扩散,许多临床和实验研究已证明肿瘤周围淋巴管生成与肿瘤扩散之间存在很强的相关性。同时,许多其他因素也会影响乳腺癌的发生率,侵袭性和死亡率,包括泌乳史。尽管泌乳会降低总体癌症风险,但在怀孕5年内诊断出的患者转移性疾病的发生率会增加。在本期JCI中,Lyons及其同事证明了内卷过程中产后乳房组织的重塑与炎症性淋巴管生成同时发生。在小鼠模型中,内旋过程中对环氧合酶2(COX-2)的抑制作用降低了癌症转移的风险,并与淋巴管生成减少有关。除淋巴管生成外,COX-2抑制还降低了肿瘤微环境的许多免疫抑制特征,包括骨髓来源的抑制细胞和调节性T细胞的发育。因此,这些结果支持以下观点:在哺乳期断奶期间抑制COX-2可以减少乳腺癌转移的发生率。

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