Saturday, November 29, 2025

What Blind Cave Fish and Venomous Snails Can Educate Us about Diabetes


What Blind Cave Fish and Venomous Snails Can Educate Us about Diabetes

Research of insulin, blood sugar and diabetes in different animals corresponding to fish and canine have already saved tens of millions of lives and will result in new remedies for sort 1 and sort 2 diabetes.

This video is a part of “Improvements In: Kind 1 Diabetes,” an editorially unbiased particular report that was produced with monetary help from Vertex.

Tom Lum: Why can we care a lot about learning diabetes in random animals? Generally it appears like scientists are identical to …


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[Lum spins around, pretending to play a game similar to pin the tail on the donkey]

Lum: Okay, okay, let’s see, and—boop!

[Lum lands on a note that says “blind cave fish”]

Lum: [Shrugs] Why not?

So is it actually that essential? Sure! [Pauses] Proper, sorry—I ought to clarify.

People have identified about diabetes for a protracted, very long time. There’s information from internationally for 1000’s of years.

However till the 1900s we actually didn’t know what was taking place, and oftentimes the illness was merely a demise sentence.

We now know that diabetes occurs when the sugar touring in your bloodstream to offer your physique power can’t appear to hook up with the physique’s receptors proper to try this job. That’s as a result of we want insulin to make that connection occur. And within the case of diabetes, the physique is both not producing sufficient or not utilizing it correctly.

So what does any of this need to do with blind cave fish or snails?

Nicely, right here’s the factor to recollect: Turning sugar into power is a extremely elementary factor. It’s what the famed powerhouse of the cell does! And so getting that sugar to the cells that want it’s simply as elementary.

So when you or I’ll have solely ever heard the phrase insulin used as a medication for individuals, the chemical insulin, or the same insulin-like chemical, is present in almost each single animal.

And so, many animals—together with widespread family pets—can develop diabetes, too. In actual fact, the rationale why scientists know to deal with diabetes with insulin is from research on diabetic canine. They have been capable of isolate insulin from wholesome canine and inject it into diabetic canine.

This analysis would go on to win the Nobel Prize and likewise firmly cement the title of “man’s finest pal” for canine.

And animals much less much like us have developed different unusual methods of utilizing insulin, too. The straightforward cone snail, for instance, makes use of insulin in its venom to poison fish. And nonetheless researchers are learning that venom as a result of we might study one thing from it that might make higher insulin remedies for individuals.

Even that blind cave fish, as a result of it lives in a cave, has inconsistent meals schedules and has large blood sugar spikes. But it surely doesn’t appear to undergo any destructive penalties, and so we could possibly study one thing from that.

Learning diabetes in animals isn’t simply one thing that might save lives. It already has and at the moment is saving numerous lives. So who is aware of what these different animals might educate us?

[Lum speaks to an image of a cone snail]

Lum: Possibly at some point you’ll be man’s finest pal. I believe you are fairly cute.

[Lum touches the snail]

Lum: Ow! Ha, that is…Hey, guys, is the snail venom solely toxic to fish or—

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