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Organic extract of Geodia cydonium induces cell cycle block in human mesothelioma cells.

ABSTRACT: The serious side effects caused by chemotherapeutics and the development of cancer chemoresistance represent the most significant limitations in the treatment of cancer. Some alternative approaches have been developed in recent years, which are based on natural compounds, and have allowed important advances in cancer therapeutics. During the last 50 years, sponges have been considered a promising source of natural products from the marine environment, representing ~30% of all marine natural products. Among sponges, the Mediterranean species Geodia cydonium represents a potential source of these type of products with considerable biotechnological interest as pharmaceutical agents. The present study demonstrated the antiproliferative effect of an organic G. cydonium extract (GEOCYDO) against three human mesothelioma cell lines, MSTO-211H (MSTO), NCI-H2452 (NCI) and Ist-Mes2 (Mes2), which differ in their sensitivity (MSTO and NCI) and resistance (Mes2) to standard combined treatment with cisplatin and piroxicam. To this aim, the activity of the extract was evaluated by analyzing its effects on cell viability, cancer properties and cell cycle progression by means of colony formation assay, cell cycle analysis and protein expression analysis. The results revealed, in mesothelioma, this extract was able to reduce self-renewal, cell migration and it could induce cell cycle arrest in G₀/G₁ stage, thus blocking cell proliferation. In conclusion, to the best of our knowledge, the present results indicated for the first time that GEOCYDO can contain active compounds able to affect cell proliferation in mesothelioma, suggesting that it could be considered as a potential novel drug source for cancer treatment.

SUBMITTER: Di Meo F

PROVIDER: S-EPMC9260718 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Simple Summary In this study, the anti-tumor activity of Ficus dubia latex extract (FDLE) against HCT-116 and HT-29 human colorectal cancer cell lines in normal and inflammatory conditions was investigated. The results indicated that an inflammation-activated NF-κB increased proliferation-related proteins and decreased apoptosis-related proteins, leading to hyperproliferation of colorectal cancer cell lines. FDLE exhibited remarkable antiproliferative activity in both conditions, however, more effective anti-proliferation was observed due to its more effective regulation of NF-κB inactivation and some proteins related to cell cycle progression and apoptosis induction in inflammatory condition. Our finding may promote the antiproliferative study of FDLE in inflammation-induced colorectal cancer progression. Abstract Colorectal cancer is one of the most diagnosed cancers that is associated with inflammation. Ficus dubia latex is recognized as a remedy with various therapeutic effects in traditional medicine, including anti-inflammatory and antioxidant activity. The present study aims to compare the anti-tumor activity of Ficus dubia latex extract (FDLE) against HCT-116 and HT-29 human colorectal cancer cell lines in normal and inflammatory condition and explore its mechanism of action. FDLE exhibited remarkable antiproliferative activity against HCT-116 and HT-29 colorectal cancer cell lines in both conditions using MTT and colony formation assays and more effective anti-proliferation was observed in inflammatory condition. Mechanistically, FDLE induced cell cycle arrest at G0/G1 phase by down-regulating NF-κB, cyclin D1, CDK4 and up-regulatingp21 in both cell in normal condition. In inflammatory condition, FDLE not only exhibited stronger induction of cell cycle arrest in both cells by down-regulating NF-κB, cyclin D1, CDK4 and down-regulating p21, but also selectively induced apoptosis in HCT-116 cells by down-regulating NF-κB and Bcl-xl and up-regulating Bid, Bak, cleaved caspase-7 and caspase-3 through stronger ability to regulate these proteins. Our results demonstrated that the phytochemical agent in the latex of Ficus dubia could potential be used for treatment and prevention of human colorectal cancer, especially in inflammation-induced hyperproliferation progression.

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Organic extract of Geodia cydonium induces cell cycle block in human mesothelioma cells.

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