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26.06.2019 | Original Article | Ausgabe 2/2019

Cancer Chemotherapy and Pharmacology 2/2019

Oxaliplatin induces prostaglandin E2 release in vascular endothelial cells

Zeitschrift:
Cancer Chemotherapy and Pharmacology > Ausgabe 2/2019
Autoren:
Satoru Matsunuma, Satoko Handa, Daisuke Kamei, Hitomi Yamamoto, Kiyoshi Okuyama, Yasuhisa Kato
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Abstract

Purpose

Oxaliplatin (L-OHP) is known to induce adverse reactions at the injection site, including vascular pain, but the underlying mechanisms have not been clarified. Vascular pain during intravenous L-OHP administration can be inhibited by taking non-steroidal anti-inflammatory drugs (NSAIDs). In this study, we investigated the involvement of the arachidonic acid cascade and prostaglandin (PG) E2 and 15d-PGJ2 in vascular pain sensation during intravenous delivery of L-OHP.

Methods

Cultured normal human umbilical cord vein endothelial cells (HUVECs) were treated with L-OHP or L-OHP + NSAID flurbiprofen for 2 h and analyzed for the release of PGE2 and 15d-PGJ2 into culture supernatant by ELISA.

Results

The results showed that L-OHP significantly and dose-dependently increased PGE2 secretion by HUVECs; however, flurbiprofen effectively prevented PGE2 increase. On the other hand, cisplatin, another platinum anticancer drug, did not stimulate PGE2 production. Other PGs, including 15d-PGJ2, 6-keto PGF, PGF, and PGD2 were not increased by L-OHP or cisplatin. Protein expression analysis revealed that cyclooxygenase 1 and cytoplasmic PGE synthase involved in constitutive PG metabolism were expressed in HUVECs but not affected by L-OHP exposure.

Conclusions

This study indicates that L-OHP treatment specifically upregulated PGE2 secretion by vascular endothelial cells, which may contribute to vascular pain, and that NSAIDs can be used to inhibit PGE2 release and attenuate L-OHP-induced hyperalgesia.

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