Similarities in B Cell Defects between Aging and Obesity.
Abstract
The aging population is increasing worldwide, and there is also an increase in the aging population living with overweight and obesity, due to changes in lifestyle and in dietary patterns that elderly individuals experience later in life. Both aging and obesity are conditions of accelerated metabolic dysfunction and dysregulated immune responses. In this review, we summarize published findings showing that obesity induces changes in humoral immunity similar to those induced by aging and that the age-associated B cell defects are mainly due to metabolic changes. We discuss the role of the obese adipose tissue in inducing dysfunctional humoral responses and autoimmune Ab secretion.
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Research summary
The paper discusses the similarities in B cell defects between aging and obesity, highlighting how metabolic changes contribute to immune dysfunction. While it addresses mechanisms that could be linked to aging, it primarily focuses on the effects of obesity rather than directly targeting the root causes of aging or lifespan extension. The findings may contribute to understanding age-related immune dysfunction, but the impact on longevity research is limited, making it a solid but not groundbreaking contribution.
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