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Differential Effects of Selective Serotonin Reuptake Inhibitors on paraoxonase-1 Enzyme Activity: An in Vitro Study

Differential Effects of Selective Serotonin Reuptake Inhibitors on paraoxonase-1 Enzyme Activity: An in Vitro Study

Yeliz Demir, Neslihan Balcı, Mahmut Gürbüz

Comp Biochem Physiol C Toxicol Pharmacol. 2019 Dec;226:108608.

PMID: 31422163

Abstract:

Paraoxonase-I (PON1) is a calcium-dependent hydrolytic enzyme, plays an important role in most antioxidant properties related to high-density lipoprotein (HDL). Antidepressant drugs are commonly employed in treatment of mood disorders and anxiety treatment. In this study, human serum PON1 was purified using simple reproducible procedures and the effects of some antidepressant drugs on its activity were determined. It was found that mirtazapine, aripiprazole, escitalopram, and risperidone exhibited potential inhibitory properties on the purified PON1 activity with IC50 values in the range of 115.50-231.00 μM and Ki values in the range of 41.66 ± 4.27 μM-276.36 ± 35.28 μM. Both risperidone and escitalopram inhibited PON1 activity competitively, while both aripiprazole and mirtazapine inhibited PON1 activity non-competitively. Chlorpromazine did not affect PON1 activity. Usage of drugs with significant biological activity may be hazardous in some cases.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP191546960	Mirtazapine Related Compound C		191546-96-0	Price

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