Hormonal
Silencing estrogen receptor alpha (ERα) specifically in the ventromedial nucleus of the hypothalamus (VMN) causes metabolic syndrome in female mice and rats, characterized by obesity, hyperphagia, glucose intolerance, and reduced energy expenditure.
This research highlights the critical role of estrogen receptor alpha (ERα) in the ventromedial nucleus of the hypothalamus (VMN) in regulating energy balance. Silencing this receptor leads to metabolic syndrome, including obesity, hyperphagia, and reduced energy expenditure. While this is a preclinical study using viral vectors, it underscores the importance of hormonal signaling in the brain for maintaining healthy body weight and metabolism.
After suppression of ERα expression in this nucleus, female mice and rats developed a phenotype characteristic for metabolic syndrome and marked by obesity, hyperphagia, impaired tolerance to glucose, and reduced energy expenditure.
Why this rating
High-quality experimental evidence using viral-mediated RNA interference in both mice and rats, with controlled comparisons, though results are preclinical.
Source
Silencing of estrogen receptor α in the ventromedial nucleus of hypothalamus leads to metabolic syndrome
Sergei Musatov et al. · Proceedings of the National Academy of Sciences · 2007
DOI 10.1073/pnas.0610787104
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