In Silico and In Vitro Study: COX-2 Inhibition by Ethanol Extract of Dayak Onion Bulb (Eleutherine Americana Merr) as Treatment Innovation of Benign Prostatic Hyperplasia (BPH).

Anti-inflammatory & Anti-allergy Agents in Medicinal Chemistry
Hendra SutapaEdvin Prawira Negara

Abstract

Benign Prostatic Hyperplasia (BPH) is a benign tumor in males, which is histopathologically known with an increase of epithelial cells and prostatic stroma. Androgens, estrogens, stroma-epithelial interactions, growth factors, and chronic inflammation play a key role in the occurrence of BPH. Chronic inflammation in BPH is characterized by excessive expression of COX-2, which will trigger the expression of Bcl-2 anti-apoptotic protein. Dayak onion (Eleutherine Americana Merr) is a typical Kalimantan plant that is known as the treatment for prostate disease. This plant contains flavonoids which can inhibit the COX-2 enzyme thus causing a reduction in the production of prostaglandin E2. This research was experimental research computationally and in vitro laboratory experimental research to determine COX-2 inhibitory activity by ethanol extracts of Dayak onion. In in silico flavonoid, it was strongly related to COX-2 receptor on the active side of TYR371. Thus, it had the potential to inhibit COX-2. COX-2 inhibitor would cause BCL-2 to be inactive so that apoptosis occurr in BPH. In the in vitro research using human whole blood assay, the Dayak Onion bulb ethanol extract had IC50 COX-2 of 40.57 ng/ml and IC50 COX-1 of 364.89 ng/ml...Continue Reading

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