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Home NEWS Science News Biology

Drug shows promise to treat diet-induced osteoarthritis

Bioengineer by Bioengineer
January 30, 2019
in Biology
Reading Time: 2 mins read
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Credit: Credit: QUT


QUT scientists have found that a drug derived from omega-3 fatty acids can reduce osteoarthritis inflammation that’s been caused by a high-fat diet.

The study, published in Nature journal Scientific Reports, is among the first to investigate resolvin D1 (RvD1), which has reported anti-inflammatory properties, as a possible treatment for diet-associated osteoarthritis, which affects knees, hips and other joints in the body causing pain, stiffness and sometimes severe disability.

Study co-author Dr Indira Prasadam, from QUT’s Institute of Health and Biomedical Innovation, was principal supervisor of the research conducted by Dr Antonia Rujia Sun as part of her PhD at QUT, with Professors Ross Crawford and Yin Xiao as associate supervisors.

Dr Prasadam said the work built on previous QUT-led research that identified the association between osteoarthritis and a high-fat, high-carbohydrate diet.

“In this new study we looked at the effect of a couple of different drugs, including RvD1, on the joint inflammation that’s part of obesity-associated osteoarthritis,” Dr Prasadam said.

“We found in the laboratory that RvD1 decreased pro-inflammatory markers in human joint cells, and in mice it reduced the progression of obesity-related osteoarthritis in knee joints, cutting the number of pro-inflammatory cells in the joint tissue, reducing the severity of inflammation and improving degradation of the cartilage and joint membranes.

“Because RvD1 is derived from omega-3 fatty acids, which have several uses in the body, it is a natural and safer drug to consider for treatment.

“Our results provide new evidence for targeted therapies to reduce inflammation in people who have metabolic osteoarthritis that is associated with a high-fat diet.”

Dr Prasadam said the researchers also studied another drug, clodronate liposomes (CL), and found it was also effective in reducing osteoarthritis inflammation in obese mice.

However this drug, which has more targeted effects and breaks up cells, may not be as easily translatable as RvD1 to a novel treatment therapy for osteoarthritis.

###

Media Contact
Karen Milliner
[email protected]
61-731-381-841

Original Source

https://www.qut.edu.au/news?id=139728

Related Journal Article

http://dx.doi.org/10.1038/s41598-018-36909-9

Tags: BiochemistryCell BiologyDiet/Body WeightDisease in the Developing WorldEating Disorders/ObesityMedicine/HealthMetabolism/Metabolic DiseasesOrthopedic Medicine
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