Candida parapsilosis produces prostaglandins from exogenous arachidonic acid and OLE2 is not required for their synthesis

Zsuzsanna Grózer, Adél Tóth, Renáta Tóth, Anita Kecskeméti, Csaba Vágvölgyi, Joshua D. Nosanchuk, András Szekeres, Attila Gácser

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Prostaglandins are C20 fatty acid metabolites with diverse biological functions. In mammalian cells, prostaglandins are produced from arachidonic acid (AA) via cyclooxygenases (COX1 and COX2). Although fungi do not possess cyclooxygenase homologues, several pathogenic species are able to produce prostaglandins from host-derived arachidonic acid. In this study, we characterized the prostaglandin profile of the emerging human pathogen Candida parapsilosis with HPLC-MS and compared it to that of C. albicans. We found that both species synthesized prostaglandins (mainly PGD2 and PGE2) from exogenous AA. Furthermore, as OLE2 has been associated with prostaglandin synthesis in C. albicans, we generated homozygous OLE2 deletion mutants in C. parapsilosis and examined their PGE2 production. However, the PGE2 production of the OLE2 KO strain was similar to that of wild type (WT), indicating that OLE2 is not required for prostaglandin synthesis in C. parapsilosis. Interestingly, analyses of the fatty acid composition of WT and OLE2 KO cells by gas chromatography (GC) highlighted the accumulation of palmitoleic and oleic acid in the OLE2 deletion mutant. The OLE2 KO cells were killed more efficiently by human monocytes-derived macrophages (MDMs) as well as induced higher interleukin-10 (IL-10) secretion, indicating that OLE2 affects the virulence of C. parapsilosis. Taken together, these results contribute to the better understanding of fatty acid biosynthesis pathways in C. parapsilosis.

Original languageEnglish (US)
Pages (from-to)85-92
Number of pages8
JournalVirulence
Volume6
Issue number1
DOIs
StatePublished - Feb 5 2015

Fingerprint

Candida
Arachidonic Acid
Prostaglandins
Dinoprostone
Fatty Acids
Prostaglandin-Endoperoxide Synthases
Prostaglandin D2
Oleic Acid
Gas Chromatography
Interleukin-10
Virulence
Fungi
Macrophages
High Pressure Liquid Chromatography

Keywords

  • Candida parapsilosis
  • Fatty acid composition
  • Immunomodilation
  • Prostaglandins

ASJC Scopus subject areas

  • Infectious Diseases
  • Microbiology
  • Parasitology
  • Immunology
  • Microbiology (medical)

Cite this

Candida parapsilosis produces prostaglandins from exogenous arachidonic acid and OLE2 is not required for their synthesis. / Grózer, Zsuzsanna; Tóth, Adél; Tóth, Renáta; Kecskeméti, Anita; Vágvölgyi, Csaba; Nosanchuk, Joshua D.; Szekeres, András; Gácser, Attila.

In: Virulence, Vol. 6, No. 1, 05.02.2015, p. 85-92.

Research output: Contribution to journalArticle

Grózer, Z, Tóth, A, Tóth, R, Kecskeméti, A, Vágvölgyi, C, Nosanchuk, JD, Szekeres, A & Gácser, A 2015, 'Candida parapsilosis produces prostaglandins from exogenous arachidonic acid and OLE2 is not required for their synthesis', Virulence, vol. 6, no. 1, pp. 85-92. https://doi.org/10.4161/21505594.2014.988097
Grózer, Zsuzsanna ; Tóth, Adél ; Tóth, Renáta ; Kecskeméti, Anita ; Vágvölgyi, Csaba ; Nosanchuk, Joshua D. ; Szekeres, András ; Gácser, Attila. / Candida parapsilosis produces prostaglandins from exogenous arachidonic acid and OLE2 is not required for their synthesis. In: Virulence. 2015 ; Vol. 6, No. 1. pp. 85-92.
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AU - Vágvölgyi, Csaba

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