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New chemical compound promotes healthy aging: in mice

via Wiley Online Library

via Wiley Online Library

BAM15 Helped Geriatric Mice with Obesity Add Muscle, Strength and Energy While Losing Fat

A recently discovered chemical compound helped elderly mice with obesity lose weight, add muscle and strength, reduce age-related inflammation and increase physical activity, a new study shows.

The study, published in the Journal of Cachexia, Sarcopenia and Muscle, provides the first evidence that BAM15, a mitochondrial uncoupler, prevents sarcopenic obesity, or age-related muscle loss accompanied by an increase in fat tissue.

“Loss of muscle mass is typically not a concern in younger adults with obesity. However, as people age, that changes. Older adults with sarcopenic obesity suffer accelerated muscle loss. They become less active. As a result, they are at high risk for falls, stroke, heart disease, poorer quality of life and premature death,” said Christopher Axelrod, MS, Director of Pennington Biomedical Research Center’s Integrated Physiology and Molecular Medicine Laboratory.

The weakness and frailty common to sarcopenic obesity are offset in older mice – the equivalent of aged 60-65 in human years – given BAM15. The mice, all of whom had obesity, were fed high-fat diets. Despite that, the mice given BAM15 lost weight and got stronger and more active.

“Typically, when you lose weight, you also lose muscle, and in some circumstances, you can lose a lot of it,” Axelrod said. “In this study, the aged mice increased their muscle mass by an average of 8 percent, their strength by 40 percent, while they lost more than 20 percent of their fat.”

BAM15 works by making the mitochondria, the power plants of the cell, less efficient.  The result is that the mitochondria burn more energy. The researchers are reluctant to describe BAM15 as a miracle drug. More research will be needed to determine its effectiveness for people.

However, the findings about BAM15 have important implications for improving the quality of life for older adults, especially for the rapidly growing number of people with obesity. Preventing, delaying, or reversing the causes and consequences of sarcopenic obesity may allow people to live longer and healthier lives.

“These data highlight that mitochondrial uncouplers may play an important role in improving health span – the time a person enjoys good health – in advanced age,” said Pennington Biomedical Executive Director John Kirwan, Ph.D.

BAM15 improves many of the key determinants of health and aging, including:
• Removing damaged mitochondria, the power plants of the cell
• Making more healthy mitochondria, and
• Reducing “inflammaging,” or age-related inflammation, linked to muscle loss

“Extending health span is even more important than extending lifespan,” Kirwan said. “Suppose you could add 20 or 30 years to a person’s life. What would be the point if their quality of life was awful?”

 

Original Article: Chemical Compound Promotes Healthy Aging

More from: Pennington Biomedical Research Center 

 

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