Professor Luke O'Neill

speaker

1,535 appearances 7 recordings 2 series first heard Apr 2026 last heard 3 Sep

Professor Luke O'Neill’s voice in public audio — every appearance, attributed to the second.

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recordings per month · last 12 months

Recordings per month over the last 12 months — 7 in all, peaking in May 2026 with 3.

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Show Me the Science with Luke O'Neill · The Science of Gut Health · 21 May 2026 podcast

Less blood is getting in there and some of these bacteria thrive in these anaerobic environments.

Now the question there would be

Is that bacteria living inside the tumour, helping the tumour or trying to fight it?

And we still don't know.

Overall, it seems to be helping the tumour, so it's very important as well.

And once those discoveries were made, of course, that made it even more relevant that certain bacteria live inside tumours.

But now we have the response to different drugs.

And if we start with chemotherapy, now chemo, of course, is a mainstay treatment for cancer.

And very nicely, what they've shown is if you're on chemo for multiple types of cancer, it turns out,

If there's a bacteria called Barnacella intestinohomonas, I'll say that again, even I have trouble with these names, Barnacella intestinohomonas, if that species of bacteria, you will have an increased response to chemotherapy.

Now, this could be extremely important because you can imagine where they're going with that.

you will give someone chemo in combination with that bacteria.

And that's what's happening.

They're testing these things as we speak.

Now, why would that be?

Why would a certain bacteria increase their response to chemotherapy?

Well, it turns out the chemotherapy is also affecting the bacteria, activating them, and they get the immune system going.

Isn't that great?

So in a way, you're mobilizing the immune system through the bacteria to

to attack the cancer.

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