Have We Discovered a Cure for Cancer... on Accident?

TL;DR

Researchers stumbled upon killer T cells that can potentially treat all types of cancer by targeting a protein called MR1 found in all cells.

Transcript

Thanks to Brilliant for supporting this episode of SciShow. Go to Brilliant.orgSciShow to learn how you can give the gift of learning to someone you love! [ intro ] People often wonder why there isn’t a cure for cancer yet. And the answer is usually because “cancer” isn’t one thing. It’s this big umbrella term for a ton of different conditions wher... Read More

Key Insights

• ♋ Cancer is a complex and varied disease with different types requiring specific treatments.
• 🖐️ Killer T cells are a type of immune cell that can play a role in fighting cancer.
• 🤗 The discovery of killer T cells that can target a protein called MR1 opens up new possibilities for universal cancer treatment.
• 👨‍🔬 Further research and testing are needed to fully understand and utilize the potential of these T cells.

Questions & Answers

Q: How did researchers stumble upon the potential universal cure for cancer?

The researchers were originally studying killer T cells to find new ways to fight bacteria but found one type of T cell that killed cancer cells instead.

Q: How do killer T cells work in fighting cancer?

Killer T cells have special receptors that can interact with proteins like MR1 found in cancer cells. They read the samples presented by MR1 to identify cancerous cells and kill them.

Q: Do the killer T cells only recognize MR1 in cancer cells?

The researchers are not yet sure how the T cells recognize MR1, but they speculate that it could be a unique or common characteristic of cancer cells.

Q: Have these T cells been tested on human patients?

The T cells have only been tested on mice with human cancers so far. Human trials are planned for the future if safety tests go well.

Summary & Key Takeaways

• Researchers at Cardiff University discovered a type of killer T cells that can detect and kill different types of cancer cells.

• These killer T cells interact with a protein called MR1, which is found on all cells, and can spot cancerous cells.

• The researchers tested these T cells on various types of cancer and found that they killed every kind of cancer while sparing healthy cells.