New technology shows potential in repairing damaged tissue in knee joints

A company, founded by University of Liverpool scientist, Professor Anthony Hollander, has been awarded £2 million to develop stem cell technologies that have shown potential in repairing damaged tissue in the knee. 

The team at Liverpool, in partnership with NHS Blood and Transplant, is part of a £6.3 million funding initiative, supported by Innovate UK and Cell Therapy Catapult, to help further technological development in stem cell therapies in the UK. 

Professor Hollander and colleagues launched the company, Azellon, to produce stem cell therapies for treatment of damaged fibrous tissues in the knee, called meniscal cartilage. Using Cell Bandage technology, the team has shown encouraging test results from combining bone marrow stem cells with a special membrane that helps deliver cells to the injured site. 

Commercial use

Meniscal cartilage in the knee is a shock absorber that helps cushion the knee against stresses, but it is commonly torn in sports injuries, causing pain and swelling. To avoid removing the tissue, scientists are looking at new ways to use adult stem cells, non-specialised cells that can grow extensively, to turn into many different kinds of specialised cells, targeted at repairing damage in specific areas of the body. 

Funding will allow scientists to improve product and manufacturing processes, with the aim of introducing the technology onto the market for effective commercial use in the near future. 

Professor Hollander, Head of the University’s Institute of Integrative Biology, said: “With this new funding we aim to improve the special membrane so that it is easier for surgeons to implant in the knee. 

“We are looking at using bone marrow stem cells from a single donor in order to provide a more consistent quality product. It is also important that we develop new ways of freezing the Cell Bandage so it can be stored ready for use.” 

The team is expecting to announce the results of their first clinical trial in this field, later this year. The new funding will support the launch of a second trial using the new and improved technology.

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4 thoughts on “New technology shows potential in repairing damaged tissue in knee joints

  1. Sean Eddleston

    would be really interested in this trial.
    I’ve had 5 knee operations in 3 years due to massive kneecap and patella femoral problems brought about by years of sport.
    Stem cell was mentioned earlier this year on my latest operation but was frowned upon by surgeon.
    running out of time and options.

    do I qualify??

    great research

  2. Sue Marlow

    I would be really interested in these trials as I have just had my 5th operation on both my knees due to tears in cartilage and will be having new knees hopefully in a couple years time but would like to delay as long as possible if I could try something else. I was supposed to have stem cell treatment at the beginning but my kneecap was offline so had to have ligament reconstruction instead but was never followed up to have the stem cell treatment. How do you qualify for trials?

  3. Kirsty Marrow

    I am with Thornemb, I would love to know how you qualify for the trials? my knees just getting worse and worse now.

    Fantastic that this is even a possibility though, great research!

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