Hamzawy MA, Abo-Youssef AM, Malak MN, Khalaf MM. Multiple targets of Nrf 2 inhibitor; trigonelline in combating urethane-induced lung cancer by caspase-executioner apoptosis, cGMP and limitation of cyclin D1 and Bcl2.
Eur Rev Med Pharmacol Sci 2022;
26:9393-9408. [PMID:
36591848 DOI:
10.26355/eurrev_202212_30690]
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Abstract
OBJECTIVE: Among other types of cancerous lesions, lung cancer is one of the prevalent causes of death. Trigonelline is a plant alkaloid, a significant constituent in coffee, and has shown health benefits in several disorders. The present study aims to investigate the potential therapeutic role of trigonelline in lung cancer. MATERIALS AND METHODS: Seventy-five BALB/C mice were assigned to five groups and treated for 150 days as follows (1): normal control group; (2) trigonelline only (50 mg/kg/ P.O) daily for the last thirty days; (3) urethane (1.5 g/kg B.w/i.p) at day one and sixty; (4) urethane and carboplatin (15 mg/kg i.p) for the last thirty days; and (5) urethane and trigonelline for the last thirty days. Tumor size was measured while blood and lung were collected for biochemical, western blotting analysis, and histological examinations. RESULTS: Urethane demonstrated significant changes in all biochemical and molecular parameters and histological examinations. In animals pretreated with urethane, trigonelline significantly reduced tumor size and restored Nrf2, NF-кB p65, Bcl-2, Cyclin D1, ICAM-1, and MMP-2, along with improving cGMP and active caspase three and refining histological architectures. CONCLUSIONS: Nrf2 signaling may be a promising therapeutic target for adenocarcinoma protection or management. Due to its multiple therapeutic effects on Nrf2, cyclin D1, NF-кB pathways, and the BAX/Bcl2 axis, trigonelline significantly induced cell cycle arrest and apoptosis.
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