Hydrogel for damaged joints

“Once it’s been injured, the protective cartilage in our knees and other joints heals very slowly – if at all. A new injectable gel, however, could both reinforce the tissue after it’s been damaged, and encourage new cartilage to grow over top of it.”

If you’re like me, and starting to find that your joints are not as young as the rest of you, the following article in New Atlas should be of interest: https://newatlas.com/medical/hyaluronic-acid-hydrogel-reinforce-regrow-cartilage/

If you’re young and have no idea what cartilage is, or how a joint works, or why it can cause pain, here’s a simple picture:

Image courtesy Wise Geek https://images.wisegeek.com/frontal-view-of-joint-with-cartilage.jpg labels by me

As you can see, the bone ends that meet in our joints, don’t actually meet. They’re held in place by ligaments [the blue bit] that act a bit like rubber bands. And to make sure the two bones don’t grind against each other, each end is capped by cartilage. Cartilage is a tough but flexible material that acts like the tyre on the wheel of a car – it stops you from driving on the metal rims.

And just like tyres, the cartilage protecting the ends of your bones wears down over time. How much time depends on how much wear and tear it is subjected to. The knee cartilage of runners tends to wear down faster than that of couch potatoes because it’s used more. Unlike tyres, however, joint cartilage can’t be replaced when the ‘treads go bald’, which is why this research is so important.

My tread isn’t bald yet, but it’s getting there, so I can hardly wait for the hydrogel to be commercialised. πŸ™‚

Have a great weekend everyone,

cheers
Meeks

About acflory

I am the kind of person who always has to know why things are the way they are so my interests range from genetics and biology to politics and what makes people tick. For fun I play online mmorpgs, read, listen to a music, dance when I get the chance and landscape my rather large block. Work is writing. When a story I am working on is going well I'm on cloud nine. On bad days I go out and dig big holes... View all posts by acflory

28 responses to “Hydrogel for damaged joints

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