Osiris Therapeutics Inc. is enrolling patients in a phase II trial for Prochymal, which contains mesenchymal stem cells.

CNN: Stem cells may offer promise for damaged hearts

The researchers showed that it could be used to grow mesenchymal stem cells (MSCs), a kind of primitive cell derived from bone marrow that can be easily grown in culture.

BBC: Coral heals serious fractures

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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