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Leite de Oliveira, Rodrigo; Deschoemaeker, Sofie; Henze, Anne-Theres; Debackere, Koen; Finisguerra, Veronica; Takeda, Yukiji; Roncal, Carmen; Dettori, Daniela; Tack, Evelyne; Jönsson, Yannick; Veschini, Lorenzo; Peeters, Annelies; Anisimov, Andrey; Hofmann, Matthias; Alitalo, Kari; Baes, Myriam; D'hooge, Jan; Carmeliet, Peter; Mazzone, Massimiliano
Cancer cell, 08/2012, Letnik: 22, Številka: 2Journal Article
The success of chemotherapy in cancer treatment is limited by scarce drug delivery to the tumor and severe side-toxicity. Prolyl hydroxylase domain protein 2 (PHD2) is an oxygen/redox-sensitive enzyme that induces cellular adaptations to stress conditions. Reduced activity of PHD2 in endothelial cells normalizes tumor vessels and enhances perfusion. Here, we show that tumor vessel normalization by genetic inactivation of Phd2 increases the delivery of chemotherapeutics to the tumor and, hence, their antitumor and antimetastatic effect, regardless of combined inhibition of Phd2 in cancer cells. In response to chemotherapy-induced oxidative stress, pharmacological inhibition or genetic inactivation of Phd2 enhances a hypoxia-inducible transcription factor (HIF)-mediated detoxification program in healthy organs, which prevents oxidative damage, organ failure, and tissue demise. Altogether, our study discloses alternative strategies for chemotherapy optimization. Display omitted ► Combined loss of Phd2 in stromal and cancer cells sensitizes tumors to chemotherapy ► Loss of Phd2 protects healthy organs against chemotherapy-induced oxidative damage ► Loss of Phd2 in healthy organs unleashes a HIF-mediated anti-oxidative response
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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