ArticleJournal of gastrointestinal cancer2023
Anticancer Effect of Sargassum oligocystom Hydroalcoholic Extract Against SW742, HT-29, WiDr, and CT-26 Colorectal Cancer Cell Lines and Expression of P53 and APC Genes.
Article in Journal of gastrointestinal cancer, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed, 4 citations in OpenAlex.
- Polysaccharide extract of Spirulina sp. increases effector immune-cell killing activities against cholangiocarcinoma.PloS one · 2024Article
- Ethyl Acetate Extract ofPreventive nutrition and food science · 2023Article
- Anti-colorectal cancer effects of seaweed-derived bioactive compounds.Frontiers in medicine · 2022Review
Corrections and comments
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeColorectal cancer (CRC) is the third most common cancer in the world, with enhancing morbidity and mortality each year. Due to the drug resistance against CRC, the use of novel compounds besides chemotherapy is required. Natural seafood contains large amounts of biologically active substances with new chemical structures and new medicinal activities. The aim of this study was to evaluate the effects of hydroalcoholic extract of Sargassum oligocystom algae on SW742, HT-29, WiDr, and CT-26 CRC cell lines, and to evaluate the expression of P53 and APC genes using quantitative real-time PCR (RT-qPCR).
methodsThe cytotoxicity of S. oligocystom hydroalcoholic extract was determined by MTT and trypan blue methods in six different concentrations including 0.1, 0.2, 0.5, 1, 2, and 4 mg/mL on various CRC cell lines and a control group. The expression of P53 and APC genes in exposure to 2 mg/mL of the extract was also evaluated using RT-qPCR.
resultsThe LD50 and LD90 of S. oligocystom included 0.5-1 and > 2 mg/mL, respectively mostly affecting SW742 and CT-26 cells. In the trypan blue test, 90% viability and death of cells were observed at 0.1 and 4 mg/mL of extract, respectively. The 2 mg/mL was a safe cytotoxic concentration. A significant viability decrease was observed at concentrations ≥ 1 mg/mL (p < 0.001). Sargassum oligocystom extract at 2 mg/mL significantly increased the expression of APC ranging 1.98-2.2-fold (p < 0.001) but not P53 gene which ranged 0.5-0.68-fold (p = 0.323) after 24 h.
conclusionThese results indicated that the brown algae S. oligocystom extract had significant antitumor effects against the SW742, HT-29, WiDr, and CT-26 CRC cell lines and especially CT-26, suggesting that it may be a potential candidate for further studies and therefore designing drugs of natural anticancer origin. The S. oligocystom had an anticancer effect via an increase in the APC gene expression.
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