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首页> 外文期刊>Canadian Journal of Physiology and Pharmacology >Oxygen as a regulator of cellular phenotypes in pregnancy and cancer.
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Oxygen as a regulator of cellular phenotypes in pregnancy and cancer.

机译:氧作为妊娠和癌症中细胞表型的调节剂。

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摘要

Cellular phenotype is determined by genetic and microenvironmental factors. There is evidence that tissue oxygenation status is one of the microenvironmental factors regulating cellular behaviour. Both normal and pathological processes such as blastocyst implantation in the uterus, placentation, and rapidly growing tumours occur under conditions characterized by relatively low oxygen levels. In this review, we address the effects of low oxygen concentrations on the phenotype of trophoblast and cancer cells. We provide evidence that oxygenation levels play an important role in the regulation of normal and pathological cellular invasiveness as it occurs during trophoblast invasion of the uterus and in tumour progression and metastasis, drug resistance in cancer, and antitumour activity of natural killer cells of the immune system.
机译:细胞表型由遗传和微环境因素决定。有证据表明组织氧合状态是调节细胞行为的微环境因素之一。正常和病理过程(例如子宫内的胚泡植入,胎盘形成和快速生长的肿瘤)都在氧气水平相对较低的情况下发生。在这篇综述中,我们研究了低氧浓度对滋养细胞和癌细胞表型的影响。我们提供的证据表明,氧合水平在正常和病理性细胞浸润的调节中起着重要作用,因为它在子宫滋养细胞浸润,肿瘤进展和转移,癌症的耐药性以及免疫自然杀伤细胞的抗肿瘤活性中发生系统。

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