MMP1 is an enzyme that degrades collagen, a protein found in bone and cartilage.

MMP1是一种可以降解胶原的酶，而胶原是一种存在于骨骼和软骨的蛋白质。

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The researchers say the results pave the way for a future where people grow their own bone and cartilage.

研究者说这个结果给人类再生自己的骨头和软骨的未来铺平了道路。

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Collagen, a fibrous protein found in connective tissue, bone and cartilage, basically holds the body together.

胶原蛋白是存在于结缔组织、骨质和软骨中的纤维蛋白质，它的基本作用是将人体各组织结合在一起。

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Instead,the protein builds up in the joints and attacks cartilage and bone.

VOA: special.2010.05.19

Instead,the protein builds up in the joints and attack cartilage and bone.

VOA: special.2010.03.16

"What we found was with one protein that we delivered in the micro-channels in the scaffolds, that was sufficient to regenerate the entire joint surface with cartilage and with bone and with blood vessels."

VOA: standard.2010.08.11

Or the 2 million Americans who need bone and cartilage reconstruction each year.

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It's also working on treatments for diabetes, liver disease, bone and cartilage repair.

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In particular, the potential for mesenchymal stromal cells (MSCs) to differentiate into multiple phenotypes - like fat, cartilage and bone - make them ideal building blocks for bone and cartilage tissue engineering in orthopaedics and rheumatology.

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