Zombie cells and flu fighters – McGill Reporter – McGill Reporter

Arthritis is Canadas most prevalent chronic health condition, and theres no known cure. Six million Canadians are currently living with one of the 100 types of this potentially devastating condition, which causes painful inflammation and stiffness in joints.

Every January, the Canadian Arthritis Society selects the previous years Top 10 Research Advances that promise to improve health outcomes for people living with arthritis and the 2020 list includes breakthroughs by projects by two researchers in McGills Faculty of Medicine and Health Sciences: Hosni Cherif and Dr. Ins Colmegna.

Degeneration of parts of the spine can cause debilitating back pain and osteoarthritis. While some treatments can help manage the pain, there is no cure or way to prevent the degeneration from progressing. Hosni Cherif, a postdoctoral fellow under the supervision of Prof. Lisbet Haglund (Dept. of Experimental Surgery), studies the role of senescent cells also known as zombie cells because theyve stopped multiplying but havent died in spine degeneration. Hes found that RG-7112, a synthetic drug, and o-Vanillin, a natural compound, triggered changes that helped grow new, healthy cells while also killing senescent cells. These findings could lead to new drugs for back pain that slow the degeneration of the discs and reduce pain.

Patients living with rheumatoid arthritis are more prone to infections than people without the condition and one of the most frequent causes of infections is seasonal influenza. Dr. Ins Colmegna, Associate Professor in the Division of Experimental Medicine, studies how patients with rheumatoid arthritis are affected by the flu. She led the first study to show that the use of a high dose influenza vaccine provides better protection from the flu in RA patients compared to the standard dose vaccine. These results support the use of the high dose influenza vaccine for people with RA of any age, potentially enhancing vaccine-induced protection and lower the risk of influenza in those patients

Were proud and excited about all the research we support, said Dr. Sian Bevan, Chief Science Officer at the Arthritis Society, which is the largest charitable funder of cutting-edge arthritis research in Canada. Our annual list of the Top 10 enables us to shine a spotlight on some of the projects that really stood out for their potential impact in the fight to stop arthritis. Congratulations, and thank you to the researchers weve highlighted.

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Zombie cells and flu fighters - McGill Reporter - McGill Reporter

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