ArticleAntioxidants (Basel, Switzerland)2022
Laminarin Attenuates ROS-Mediated Cell Migration and Invasiveness through Mitochondrial Dysfunction in Pancreatic Cancer Cells.
Article in Antioxidants (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 16 citations in OpenAlex.
- Natural polysaccharides as multifunctional anti-cancer agents: structure-activity relationships, mechanisms of action, and therapeutic potential.Frontiers in immunology · 2026Review
- Antioxidant and cytotoxic activities of extracts from rare saprobic fungi, Melanographium smilacis, Helminthosporium chiangraiense, Pleopunctum thailandicum, and Pseudochaetosphaeronema chiangraiense.Folia microbiologica · 2025Article
- Phytochemical analysis, antioxidant activity, and cytotoxic effects of Caulerpa lentillifera extracts inducing cell apoptosis and sub-G/G0-G1 cell cycle arrest in KON oral cancer cells.BMC complementary medicine and therapies · 2025Article
- Iron-Dependent Cell Death: A New Treatment Approach against Pancreatic Ductal Adenocarcinoma.International journal of molecular sciences · 2023Review
- Paired protein kinases PRKCI-RIPK2 promote pancreatic cancer growth and metastasis via enhancing NF-κB/JNK/ERK phosphorylation.Molecular medicine (Cambridge, Mass.) · 2023Article
- The role of NLRP3 inflammasome in hepatocellular carcinoma.Frontiers in pharmacology · 2023Review
- Targeting Thymidylate Synthase and tRNA-Derived Non-Coding RNAs Improves Therapeutic Sensitivity in Colorectal Cancer.Antioxidants (Basel, Switzerland) · 2022Article
- The role of metabolic reprogramming in pancreatic cancer chemoresistance.Frontiers in pharmacology · 2022Review
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is a notoriously aggressive type of cancer with a high metastasis rate. It is conventionally treated by surgical resection and neoadjuvant chemotherapy. However, continuous chemotherapy leads to relapse in most PDAC patients due to chemical resistance. Therefore, novel anticancer agents need to be identified and developed. The antitumor activities of laminarin extracted from brown algae against hepatocarcinoma, lung, and colon cancer have been established. However, its effects on pancreatic cancer have remained obscure. Our study identified the anticancer effects of laminarin on pancreatic cancer cells and tried to explain its intracellular mechanisms. We assessed the cell viability of PANC-1 and MIA PaCa-2 cells using MTT assay. Hanging drop method was used for the spheroid formation. Flow cytometry was conducted to evaluate the several intracellular alterations including apoptosis, ROS production, mitochondrial membrane potential (MMP), and calcium concentration induced by laminarin. An invasion test was performed to assess the inhibitory effect of laminarin on cell migration and the invasive genes were evaluated by RT-qPCR. Signaling pathway related with anticancer effects of laminarin was analyzed by western blot. We report that inhibiting laminarin increased the proliferation and viability of the representative pancreatic cancer cell lines, MIA PaCa-2 and PANC-1. Laminarin triggered apoptosis and mitochondrial impairment as evidenced by depolarized mitochondrial membranes, disrupted calcium, and suppressed cell migration caused by reactive oxygen species production and related intracellular signaling pathways. Moreover, laminarin showed synergistic effects when combined with 5-FU, a standard anticancer agent for PDAC. The present study is the first to report that laminarin exerts anticancer effect through ROS production in pancreatic cancer cells. Laminarin shows potential to serve as a new anticancer agent for treating PDAC.
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