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"Researchers have used sound waves to turn stem cells into bone cells, in a tissue engineering advance that could one day help patients regrow bone lost to cancer or degenerative disease.

The innovative stem cell treatment from researchers at RMIT University in Melbourne, Australia, offers a smart way forward for overcoming some of the field’s biggest challenges, through the precision power of high-frequency sound waves.

Tissue engineering is an emerging field that aims to rebuild bone and muscle by harnessing the human body’s natural ability to heal itself."

"Scientists from the Royal Melbourne Institute of Technology in Australia have managed to regrow bone by firing high-frequency sound waves at stem cells, a potential breakthrough in regenerative medicine.

Best of all, they say, it's faster, more efficient, and cheaper than existing experimental methods of regrowing bone using stem cells extracted from bone marrow, an often painful and invasive process.

"The sound waves cut the treatment time usually required to get stem cells to begin to turn into bone cells by several days," said Amy Gelmi, RMIT research fellow and co-author of a paper about the research published in the journal Small, in a blurb about the research"

"Low-level laser therapy (LLLT) is a treatment that is increasingly used in orthopedics practices. In vivo and in vitro studies have shown that low-level laser therapy (LLLT) promotes angiogenesis, fracture healing and osteogenic differentiation of stem cells. However, the underlying mechanisms during bone formation remain largely unknown. Factors such as wavelength, energy density, irradiation and frequency of LLLT can influence the cellular mechanisms. Moreover, the effects of LLLT are different according to cell types treated."