Akira sekikawa, Researcher

New York, Oct 23 Researchers have found that metabolite produced following consumption of dietary soy may decrease a key risk factor for dementiawith the help of the right bacteria.The study, published in the journal Alzheimer's & Dementia: TRCI, reported that elderly Japanese men and women who produce equola metabolite of dietary soy created by certain types of gut bacteriadisplay lower levels of white matter lesions within the brain."White matter lesions are significant risk factors for cognitive decline, dementia and all-cause mortality," said lead author Akira Sekikawa from the University of Pittsburgh in the US."We found 50 per cent more white matter lesions in people who cannot produce equol compared to people who can produce it, which is a surprisingly huge effect," Sekikawa added.For the findings, the research team measured equol levels within the blood of 91 elderly Japanese participants with normal cognition.Participants were sorted by their equol production status, and then six to nine years later underwent brain imaging to detect levels of white matter lesions and deposits of amyloid-beta, which is the suspected molecular cause of Alzheimer's disease.The researchers found that while equol production did not appear to impact levels of amyloid-beta deposited within the brain, it was associated with reduced white matter lesion volumes.They also discovered that high levels of isoflavonessoy nutrients that are metabolized into equolhad no effect on levels of white matter lesions or amyloid-beta when equol wasn't produced.According to Sekikawa, the ability to produce equol from soy isoflavones may be the key to unlocking protective health benefits from a soy-rich diet, and his team has previously shown that equol production is associated with a lower risk of heart disease.As heart disease is strongly associated with cognitive decline and dementia, equol production could help protect the aging brain as well as the heart.Epidemiological studies in Japan, where soy is regularly consumed, have shown that dietary intake of soy isoflavones has been linked to a lower risk for heart disease and dementia."This type of study always catches people's attention, but we cannot prove that equol protects against dementia until we get a randomised clinical trial with sufficient evidence," Sekikawa noted.( With inputs from IANS )Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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Health :Consuming dietary soy may reduce dementia risk: Study

New York, Oct 23 Researchers have found that metabolite produced following consumption of dietary soy may decrease a ... ...