Innovative iPSC-Based Vaccines Offer Hope for Colorectal Cancer Prevention and Treatment
A pioneering study from National Taiwan University introduces iPSC-based vaccines that could revolutionize prevention and treatment of colorectal cancer through immune system activation.
Researchers at National Taiwan University have pioneered a promising approach using induced pluripotent stem cells (iPSCs) to develop vaccines aimed at preventing and treating colorectal cancer. Their groundbreaking study, published in the journal Thermanostics, highlights the dual potential of iPSC-based vaccines to both stop cancer from developing and combat existing tumors.
iPSCs are versatile cells generated by reprogramming adult cells, offering vast possibilities in regenerative medicine and disease modeling. The research team led by Prof. Tzu-Tang Wei demonstrated that vaccines composed of iPSC cell lysates coupled with an immune-stimulating agent, CpG, could effectively activate the immune system to target colorectal cancer in mouse models. Their experiments showed that such vaccines not only prevented tumor growth but also slowed the progression of existing cancers.
Advanced techniques like mass spectrometry and computer simulations identified two proteins, HNRNPU and NCL, which are abundantly expressed in both iPSCs and colorectal cancer cells but absent in normal healthy cells. These proteins, when presented by dendritic cells, triggered a robust T-cell response against colorectal cancer, illustrating a novel neoantigen discovery pathway.
The findings suggest that materials derived from iPSCs can teach the immune system to recognize and eliminate early-stage cancer cells, opening new avenues for immunotherapy. This innovative strategy has the potential to revolutionize vaccine development against colorectal cancer, one of the leading causes of cancer-related deaths worldwide.
This research builds on the exciting intersection of stem cell technology and cancer immunotherapy, offering hope for more effective prevention and treatment options against colorectal cancer in the future.
Source: https://medicalxpress.com/news/2025-08-ipsc-based-vaccines-colorectal-cancer.html
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