Induction of apoptosis by opium in some tumor cell lines
M Khaleghi1, A Farsinejad2, S Dabiri2
1Kerman University of Medical Sciences Neuroscience Research Center, Institute of Neuropharmacology Kerman Iran.
Abstract:
The current study is aimed at investigation of the opium effects on the apoptosis of different cell lines in culture medium and compares such effects with one another. The study is carried out on over 8 cell lines (AA8, AGS, Hela, HepG2, MCF7, N2a, PC12, WEHI). A 2.86 x 10-4 g/ml opium concentration was prepared and added to the culture medium of the cell lines for 48 hours. Cytotoxicity was tested by 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium bromide (MTT) assay. The apoptotic effect of opium on the cell lines was analyzed by Annexin-PI test. Opium with concentration of 2.86 x 10-4 g/ml in 48 hours significantly induces apoptosis in certain cell lines (i.e. AA8, N2a, WEHI), apoptosis and necrosis in some others (i.e. Hela, HepG2, MCF7, and PC12), and also solely necrosis in the AGS cell line. One could infer that the usage of opium with different levels in different tissues leads to certain disorders in some tissues and may have therapeutic effects under distinctive conditions (i.e. unchecked growth of cells) as confirmed by the results.
Insights
Opium exposure at 2.86 x 10-4 g/ml for 48 hours induced varied cell death, including apoptosis and necrosis, across eight cell lines. These findings suggest potential therapeutic applications for opium in specific conditions like uncontrolled cell growth.
Area of Science:
- Pharmacology
- Cell Biology
- Toxicology
Background:
- Opium, a complex mixture derived from the opium poppy, has a long history of medicinal and recreational use.
- Understanding its cellular effects, particularly on programmed cell death (apoptosis) and necrosis, is crucial for evaluating its therapeutic potential and risks.
Purpose of the Study:
- To investigate the effects of a specific opium concentration on apoptosis and necrosis in multiple cell lines.
- To compare the differential responses of various cell lines to opium exposure.
Main Methods:
- Eight distinct cell lines (AA8, AGS, Hela, HepG2, MCF7, N2a, PC12, WEHI) were cultured.
- Cells were treated with opium at a concentration of 2.86 x 10-4 g/ml for 48 hours.
- Cytotoxicity was assessed using the MTT assay, and apoptosis/necrosis was analyzed via Annexin-PI staining.
Main Results:
- Opium significantly induced apoptosis in AA8, N2a, and WEHI cell lines.
- Hela, HepG2, MCF7, and PC12 cell lines exhibited both apoptosis and necrosis.
- AGS cell line showed solely necrosis.
Conclusions:
- Opium exhibits differential cytotoxic effects, inducing apoptosis, necrosis, or a combination, depending on the cell line.
- These findings suggest that opium may have therapeutic potential in conditions characterized by uncontrolled cell proliferation, but its usage can lead to tissue-specific disorders.
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