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A Marine Collagen-Based 3D Scaffold for In Vitro Modeling of Human Prostate Cancer Niche and Anti-Cancer Therapeutic Discovery.

Won Hoon Song | Ye Seon Lim | Ji-Eun Kim | Hae Yeong Kang | Changyong Lee | Lata Rajbongshi | Seon Yeong Hwang | Sae-Ock Oh | Byoung Soo Kim | Dongjun Lee | Yong Jung Song | Sik Yoon
Marine drugs | 2024

Recently, the need to develop a robust three-dimensional (3D) cell culture system that serves as a valuable in vitro tumor model has been emphasized. This system should closely mimic the tumor growth behaviors observed in vivo and replicate the key elements and characteristics of human tumors for the effective discovery and development of anti-tumor therapeutics. Therefore, in this study, we developed an effective 3D in vitro model of human prostate cancer (PC) using a marine collagen-based biomimetic 3D scaffold. The model displayed distinctive molecular profiles and cellular properties compared with those of the 2D PC cell culture. This was evidenced by (1) increased cell proliferation, migration, invasion, colony formation, and chemoresistance; (2) upregulated expression of crucial multidrug-resistance- and cancer-stemness-related genes; (3) heightened expression of key molecules associated with malignant progressions, such as epithelial-mesenchymal transition transcription factors, Notch, matrix metalloproteinases, and pluripotency biomarkers; (4) robust enrichment of prostate cancer stem cells (CSCs); and (5) enhanced expression of integrins. These results suggest that our 3D in vitro PC model has the potential to serve as a research platform for studying PC and prostate CSC biology, as well as for screening novel therapies targeting PC and prostate CSCs.

Pubmed ID: 39057404

Research resources used in this publication

None found

Antibodies used in this publication

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Associated grants

  • Agency: National Research Foundation of Korea,
    Id: 2022R1A5A2027161
  • Agency: National Research Foundation of Korea,
    Id: 2021R1F1A1062913

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