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Inhibitors of secreted phospholipase A2 suppress the release of PGE2 in renal mesangial cells


Vasilakaki, Sofia; Barbayianni, Efrosini; Magrioti, Victoria; Pastukhov, Oleksandr; Constantinou-Kokotou, Violetta; Huwiler, Andrea; Kokotos, George (2016). Inhibitors of secreted phospholipase A2 suppress the release of PGE2 in renal mesangial cells. Bioorganic & Medicinal Chemistry, 24(13):3029-3034.

Abstract

The upregulation of PGE2 by mesangial cells has been observed under chronic inflammation condition. In the present work, renal mesangial cells were stimulated to trigger a huge increase of PGE2 synthesis and were treated in the absence or presence of known PLA2 inhibitors. A variety of synthetic inhibitors, mainly developed in our labs, which are known to selectively inhibit each of GIVA cPLA2, GVIA iPLA2, and GIIA/GV sPLA2, were used as tools in this study. Synthetic sPLA2 inhibitors, such as GK115 (an amide derivative based on the non-natural amino acid (R)-γ-norleucine) as well as GK126 and GK241 (2-oxoamides based on the natural (S)-α-amino acid leucine and valine, respectively) presented an interesting effect on the suppression of PGE2 formation.

Abstract

The upregulation of PGE2 by mesangial cells has been observed under chronic inflammation condition. In the present work, renal mesangial cells were stimulated to trigger a huge increase of PGE2 synthesis and were treated in the absence or presence of known PLA2 inhibitors. A variety of synthetic inhibitors, mainly developed in our labs, which are known to selectively inhibit each of GIVA cPLA2, GVIA iPLA2, and GIIA/GV sPLA2, were used as tools in this study. Synthetic sPLA2 inhibitors, such as GK115 (an amide derivative based on the non-natural amino acid (R)-γ-norleucine) as well as GK126 and GK241 (2-oxoamides based on the natural (S)-α-amino acid leucine and valine, respectively) presented an interesting effect on the suppression of PGE2 formation.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Children's Hospital Zurich > Medical Clinic
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:1 July 2016
Deposited On:10 Feb 2017 10:19
Last Modified:10 Feb 2017 10:33
Publisher:Elsevier
ISSN:0968-0896
Publisher DOI:https://doi.org/10.1016/j.bmc.2016.05.017
PubMed ID:27234891

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