Medical Dialogues
  • Dermatology
Login Register
This site is intended for healthcare professionals only
Login Register
  • Medical Jobs
  • Medical Matrimony
  • MD Brand Connect
  • MDTV
    • Breaking News
    • Medical News Today
    • Health News Today
    • Latest
    • Journal Club
    • Medico Legal Update
    • Latest Webinars
    • MD Shorts
    • Health Dialogues
Medical Dialogues
  • Medical News & Guidelines
      • Anesthesiology
      • Cardiology and CTVS
      • Critical Care
      • Dentistry
      • Dermatology
      • Diabetes and Endocrinology
      • ENT
      • Gastroenterology
      • Medicine
      • Nephrology
      • Neurology
      • Obstretics-Gynaecology
      • Oncology
      • Ophthalmology
      • Orthopaedics
      • Pediatrics-Neonatology
      • Psychiatry
      • Pulmonology
      • Radiology
      • Surgery
      • Urology
      • Laboratory Medicine
      • Diet
      • Nursing
      • Paramedical
      • Physiotherapy
  • Health news
      • Doctor News
      • Government Policies
      • Hospital & Diagnostics
      • International Health News
      • MCI News
      • Medical Organization News
      • Medico Legal News
      • NBE News
      • NMC News
  • AYUSH
    • Ayurveda
    • Homeopathy
    • Siddha
    • Unani
    • Yoga
  • State News
      • Andaman and Nicobar Islands
      • Andhra Pradesh
      • Arunachal Pradesh
      • Assam
      • Bihar
      • Chandigarh
      • Chattisgarh
      • Dadra and Nagar Haveli
      • Daman and Diu
      • Delhi
      • Goa
      • Gujarat
      • Haryana
      • Himachal Pradesh
      • Jammu & Kashmir
      • Jharkhand
      • Karnataka
      • Kerala
      • Ladakh
      • Lakshadweep
      • Madhya Pradesh
      • Maharashtra
      • Manipur
      • Meghalaya
      • Mizoram
      • Nagaland
      • Odisha
      • Puducherry
      • Punjab
      • Rajasthan
      • Sikkim
      • Tamil Nadu
      • Telangana
      • Tripura
      • Uttar Pradesh
      • Uttrakhand
      • West Bengal
  • Medical Education
      • Ayush Education News
      • Dentistry Education News
      • Medical Admission News
      • Medical Colleges News
      • Medical Courses News
      • Medical Universities News
      • Nursing education News
      • Paramedical Education News
      • Study Aborad
  • Industry
      • Health Investment News
      • Health Startup News
      • Medical Devices News
      • Pharma News
      • Pharmacy Education News
      • Industry Perspective
  • MDTV
      • Health Dialogues MDTV
      • Health News today MDTV
      • Latest Videos MDTV
      • Latest Webinars MDTV
      • MD shorts MDTV
      • Medical News Today MDTV
      • Medico Legal Update MDTV
      • Top Videos MDTV
      • Health Perspectives MDTV
      • Journal Club MDTV
This site is intended for healthcare professionals only
LoginRegister
Medical Dialogues
LoginRegister
  • Home
  • Medical news & Guidelines
    • Anesthesiology
    • Cardiology and CTVS
    • Critical Care
    • Dentistry
    • Dermatology
    • Diabetes and Endocrinology
    • ENT
    • Gastroenterology
    • Medicine
    • Nephrology
    • Neurology
    • Obstretics-Gynaecology
    • Oncology
    • Ophthalmology
    • Orthopaedics
    • Pediatrics-Neonatology
    • Psychiatry
    • Pulmonology
    • Radiology
    • Surgery
    • Urology
    • Laboratory Medicine
    • Diet
    • Nursing
    • Paramedical
    • Physiotherapy
  • Health news
    • Doctor News
    • Government Policies
    • Hospital & Diagnostics
    • International Health News
    • MCI News
    • Medical Organization News
    • Medico Legal News
    • NBE News
    • NMC News
  • AYUSH
    • Ayurveda
      • Ayurveda Giuidelines
      • Ayurveda News
    • Homeopathy
      • Homeopathy Guidelines
      • Homeopathy News
    • Siddha
      • Siddha Guidelines
      • Siddha News
    • Unani
      • Unani Guidelines
      • Unani News
    • Yoga
      • Yoga Guidelines
      • Yoga News
  • State News
    • Andaman and Nicobar Islands
    • Andhra Pradesh
    • Arunachal Pradesh
    • Assam
    • Bihar
    • Chandigarh
    • Chattisgarh
    • Dadra and Nagar Haveli
    • Daman and Diu
    • Delhi
    • Goa
    • Gujarat
    • Haryana
    • Himachal Pradesh
    • Jammu & Kashmir
    • Jharkhand
    • Karnataka
    • Kerala
    • Ladakh
    • Lakshadweep
    • Madhya Pradesh
    • Maharashtra
    • Manipur
    • Meghalaya
    • Mizoram
    • Nagaland
    • Odisha
    • Puducherry
    • Punjab
    • Rajasthan
    • Sikkim
    • Tamil Nadu
    • Telangana
    • Tripura
    • Uttar Pradesh
    • Uttrakhand
    • West Bengal
  • Medical Education
    • Ayush Education News
    • Dentistry Education News
    • Medical Admission News
    • Medical Colleges News
    • Medical Courses News
    • Medical Universities News
    • Nursing education News
    • Paramedical Education News
    • Study Aborad
  • Industry
    • Health Investment News
    • Health Startup News
    • Medical Devices News
    • Pharma News
      • CDSCO (Central Drugs Standard Control Organisation) News
    • Pharmacy Education News
    • Industry Perspective
  • Home
  • Orthopaedics
  • Orthopaedics News
  • Engineered nasal...

Engineered nasal cartilage relieves knee osteoarthritis

Hina ZahidWritten by Hina Zahid Published On 2021-11-05T09:00:34+05:30  |  Updated On 2021-11-05T09:01:03+05:30
Engineered nasal cartilage relieves knee osteoarthritis

Basel, Switzerland: Cartilage cells from the nasal septum can help repair cartilage injuries in the knee, according to findings from a recent study. Also, it can withstand the chronic inflammatory tissue environment in osteoarthritis and even counteract the inflammation. The study is published in the journal Science Translational Medicine.Researchers from the University of Basel and...

Basel, Switzerland: Cartilage cells from the nasal septum can help repair cartilage injuries in the knee, according to findings from a recent study. Also, it can withstand the chronic inflammatory tissue environment in osteoarthritis and even counteract the inflammation. The study is published in the journal Science Translational Medicine.

Researchers from the University of Basel and the University Hospital of Basel are cultivating cartilage tissue from cells of the nasal septum to repair articular cartilage in the knee. The team led by Professor Ivan Martin and Professor Andrea Barbero has already succeeded in doing this in initial clinical studies on isolated cartilage damage, and they have now reported that the approach could also be suitable for degenerative joint diseases such as osteoarthritis. 

Osteoarthritis is associated with cartilage degradation, which can cause severe pain and reduce mobility. The therapeutic approach up to now aims at palliative treatment of the inflammation and pain until a knee joint replacement by a prosthetic implant becomes unavoidable. Joint prostheses, however, have limited durability, which makes the treatment problematic, especially in younger patients.

From the nose to the knee

A possible alternative could be to repair the articular cartilage using engineered cartilage tissue. To this end, the research team, in collaboration with orthopedic and plastic surgeons from the University Hospital of Basel, takes a tissue sample from a patient's nasal septum, cultivates the isolated cartilage cells and uses them to grow a cartilage layer that is then surgically implanted into the knee joint.

Unlike traumatic and confined cartilage defects, for example following sports injuries, the tissue environment in the osteoarthritic knee is characterized by persistent inflammatory reactions. "First we had to test whether the cartilage replacement was attacked and degenerated by the inflammatory factors," explains Ivan Martin.

The researchers led by Professor Martin's doctoral student Lina Acevedo Rua, project leader Dr. Karoliina Pelttari and orthopedic surgeon Dr. Marcus Mumme initially tested the cultured human cartilage tissue in the presence of inflammatory factors in various models in the laboratory and in small experimental animals. They then tested the durability of the cartilage tissue under simultaneous inflammatory and mechanical stress, using cartilage cells from the nose of sheep in the osteoarthritic knee joint of the same animals.

Cartilage cells with anti-inflammatory properties

The results of the animal experiments were encouraging – not only did the tissue-engineered from nasal cartilage cells prove to be extremely robust, it also seemed to counteract the inflammatory reactions. Further analysis revealed that this effect could be due to the fact that a molecular signaling pathway that is chronically upregulated in osteoarthritis (the WNT signaling pathway) was repressed by the presence of the nasal cartilage cells.

Explaining the amazing properties of the nasal cartilage, Professor Martin says: "Unlike the cartilage tissue in the joints, these cartilage cells originate from precursor cells of the neuroectoderm and therefore have a distinct regenerative and adaptive capacity (plasticity). Tissue grown from nasal cartilage cells seems also to retain these special properties."

Following the successful trials on animals, the researchers also tested the approach on two young patients suffering from severe osteoarthritis, likely due to misalignment of the leg bones. Their alternative treatment would have been a knee joint prosthesis.

Less pain recovered joint

Following the implantation of the cartilage engineered from the patients' own nasal cartilage cells, the two subjects reported a reduction in pain and increased quality of life. In one of the two patients, the researchers were also able to determine via MRI images that the bones in the knee joint were further apart than previously – an indication of the joint's recovery. With the second patient, they were unable to perform any MRI scans due to travel restrictions during the pandemic, and could only interview him to derive a subjective assessment.

In addition, as the misalignment of the bones in both patients could be surgically corrected and thus the most likely cause of their osteoarthritis eliminated, the researchers are confident that patients will be able to manage without knee joint prostheses, at least for some time.

"Our results have enabled us to lay the biological foundation for a therapy, and we are cautiously optimistic," says Martin. This approach will first have to be further assessed for the treatment of patellofemoral osteoarthritis through in-depth clinical trials, for which the team is receiving financial support as part of an Innovation Focus ("Regenerative Surgery") by the University Hospital of Basel. The researchers also aim to further develop the method for other types of osteoarthritis in order to be able to treat a broader spectrum of patients.

Reference:

The study titled, "Engineered nasal cartilage for the repair of osteoarthritic knee cartilage defects," is published in the journal Science Translational Medicine.

DOI: https://www.science.org/doi/10.1126/scitranslmed.aaz4499

osteoarthritis nasal cartilage Science Translational Medicine 
Source : Science Translational Medicine
Hina Zahid
Hina Zahid

    Hina Zahid Joined Medical Dialogue in 2017 with a passion to work as a Reporter. She coordinates with various national and international journals and association and covers all the stories related to Medical guidelines, Medical Journals, rare medical surgeries as well as all the updates in the medical field. Email: editorial@medicaldialogues.in. Contact no. 011-43720751

    Show Full Article
    Next Story
    Similar Posts
    NO DATA FOUND

    Editorial

    Journal Club Today

    Health News Today

    © 2022 All Rights Reserved.
    Powered By: Hocalwire
    X
    X
    We use cookies for analytics, advertising and to improve our site. You agree to our use of cookies by continuing to use our site. To know more, see our Cookie Policy and Cookie Settings.Ok