Αρχειοθήκη ιστολογίου

Δευτέρα 16 Οκτωβρίου 2017

Administering xCT inhibitors based on circadian clock improves antitumor effects

Clock genes encoding transcription factors that regulate circadian rhythms may inform chrono-modulated chemotherapy, where time-dependent dose alterations might affect drug efficacy and reduce side effects. For example, inhibiting the essential cystine transporter xCT with sulfasalazine induces growth arrest in cancer cells. Although the anticancer effects of sulfasalazine have been studied extensively, its effects on transcriptional control of xCT expression have not been studied. Here we show that sulfasalazine administration during the period of increased xCT expression improves its anticancer effects, and that the Clock gene itself induces xCT expression and regulates its circadian rhythm. Our findings highlight the clinical potential of chrono-modulated chemotherapy and the importance of xCT-mediated transcriptional regulation in the utility of such strategies.

from # All Medicine by Alexandros G. Sfakianakis via Alexandros G.Sfakianakis on Inoreader http://ift.tt/2zdRe7v
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Medicine by Alexandros G. Sfakianakis,Anapafseos 5 Agios Nikolaos 72100 Crete Greece,00302841026182,00306932607174,alsfakia@gmail.com,

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