Repurposing macitentan with nanoparticle modulates tumor microenvironment to potentiate immune checkpoint blockade.

Author: JungJae Min, KimChan Ho, KimJeongyun, KoHyewon, LeeEun Sook, LeeJae Ah, ParkJae Hyung, ShinJung Min, ShinSol, SonSoyoung

Paper Details 
Original Abstract of the Article :
Immune checkpoint therapy (ICT), which reinvigorates cytotoxic T cells, provides clinical benefits as an alternative to conventional cancer therapies. However, its clinical response rate is too low to treat an immune-excluded tumor, owing to the presence of abundant stromal elements impeding the pen...See full text at original site
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引用元:
https://doi.org/10.1016/j.biomaterials.2021.121058

データ提供:米国国立医学図書館(NLM)

Repurposing Macitentan: A New Strategy to Combat Cancer

This research delves into the exciting field of cancer immunotherapy, a promising approach that harnesses the body's own immune system to fight cancer. The researchers explore a novel strategy using macitentan, a drug originally approved to treat pulmonary arterial hypertension, to modulate the tumor microenvironment, the intricate network of cells and molecules that surround a tumor. By cleverly encapsulating macitentan in nanoparticles, they create a targeted delivery system that can effectively disrupt the tumor's protective barrier and enhance the effectiveness of immune checkpoint blockade therapy. This innovative approach holds immense potential for improving cancer treatment outcomes.

Rethinking Tumor Microenvironment: Macitentan Takes Center Stage

The study reveals that macitentan, when delivered in nanoparticles, can significantly alter the tumor microenvironment by effectively targeting the endothelin-1 axis. This clever approach disrupts the tumor's protective shield, allowing immune cells to infiltrate and attack the cancer cells. The results show that macitentan nanoparticles, in combination with immunotherapy, can significantly enhance the antitumor response.

Unlocking Immune Potential: A New Era in Cancer Treatment

This study sheds light on the crucial role of the tumor microenvironment in cancer progression and offers a new strategy to disrupt its immunosuppressive nature. The findings highlight the potential of repurposing existing drugs like macitentan to combat cancer and improve treatment outcomes. This research paves the way for a new era in cancer therapy, where personalized medicine and targeted therapies become the norm.

Dr. Camel's Conclusion

Just like a desert oasis, a tumor can be a protected haven, shielding cancer cells from the immune system. Macitentan nanoparticles, like a caravan of camels carrying precious goods, can penetrate this fortress, creating a pathway for immune warriors to attack and defeat the cancer cells. This study shows how repurposing existing drugs can have a powerful impact on cancer treatment, offering hope for better outcomes for patients.
Date :
  1. Date Completed 2021-09-20
  2. Date Revised 2021-09-20
Further Info :

Pubmed ID

34399119

DOI: Digital Object Identifier

10.1016/j.biomaterials.2021.121058

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English

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