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    Dietary carbohydrates could lead to osteoarthritis, new study finds

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    yoly
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    Dietary carbohydrates could lead to osteoarthritis, new study finds

    Post by yoly on Fri Aug 10 2018, 14:01

    Dietary carbohydrates could lead to osteoarthritis, new study finds

    https://omrf.org/2018/08/09/dietary-carbohydrates-could-lead-to-osteoarthritis-new-study-finds/

    August 9, 2018

    Do your knees ache? According to new findings from OMRF, your diet could be a culprit.

    In a study led by OMRF scientist Tim Griffin, Ph.D., researchers found that the carbohydrate composition of diets increased the risk of osteoarthritis in laboratory mice—even when the animals didn’t differ in weight.

    “We know increased body fat elevates risk, but we haven’t appreciated as much how diet itself affects the disease risk,” said Griffin. “These findings give us new clues that there can be significant dietary effects linked to increased OA risk even in the absence of obesity.”

    Osteoarthritis, or OA, is the most common form of arthritis and the most widespread form of disability in the country, affecting nearly 27 million people in the U.S. It occurs when the cartilage that cushions bones in the joints breaks down and wears away, causing the bones to rub against one another.

    Several factors can increase risk, including high-impact physical jobs, previous joint injuries, age and genetics, but carrying extra body weight is among the most proven contributors.

    “Obesity is the one of the most significant factors for developing disease in the knee joint,” said Griffin. “However, therapeutic strategies to prevent or treat obesity-associated OA are limited because of the uncertainly about the root cause of the disease.”

    To study how, exactly, obesity contributes to osteoarthritis, Griffin and his lab placed groups of mice on different high-fat diets. However, over time, they observed that the carbohydrate makeup of the rodents’ low-fat control diet was alone sufficient to alter their chances of developing OA.

    The primary culprits: starch and sugar.

    In particular, Griffin’s team found that changing the amount of sucrose—table sugar—and starch in the diet altered OA pathology in the rodents. The high-sucrose diet increased signs of joint inflammation, while the high-starch diet caused changes in cartilage genes and cellular stress-response pathways.

    While the study involved mice, Griffin said the findings could ultimately have human implications.

    “It’s important to understand how our diet affects the health of our joints,” he said. “We were surprised to see so many OA-related differences between the two high-carb diets even though body weight and body fat were the same.”

    Griffin next plans to investigate how different types of dietary fiber and other components of our diets can contribute to OA, and also look at the role the body’s microbiome and gut bacteria play in the disease.

    The new findings were published in the journal Disease Models & Mechanisms. OMRF researchers Erika Barboza Prado Lopes, Ph.D., Albert Batushansky, Ph.D., Mike Kinter, Ph.D., and former OMRF scientist Elise Donovan, Ph.D., contributed to the research.

    The work was supported by National Institutes of Health grants P20RR018758, P20GM103441, P30GM114731, P30AG050911 and R01AG049058. Griffin also received additional funding support through the Arthritis Foundation.
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    chris c
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    Re: Dietary carbohydrates could lead to osteoarthritis, new study finds

    Post by chris c on Sat Aug 11 2018, 22:38

    I would especially be looking at the effect of wheat
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    Jan1
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    Re: Dietary carbohydrates could lead to osteoarthritis, new study finds

    Post by Jan1 on Sun Aug 12 2018, 14:13

    I think you need to do your best through correct exercise and diet/lifestyle to minimise joint inflammation, it must all help!?

    All the best Jan
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    chris c
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    Re: Dietary carbohydrates could lead to osteoarthritis, new study finds

    Post by chris c on Mon Aug 13 2018, 22:44

    Yes the chronic inflammation is probably the factor. I wonder also what is the effect of a high Omega6 - Omega3 ratio

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