Key result
Transgenic mice overexpressing NPY in noradrenergic neurons developed increased white adipose tissue, liver triglyceride accumulation, hyperinsulinemia, and impaired glucose tolerance by 6 months.
Why the study?
Does overexpression of NPY in noradrenergic neurons cause metabolic syndrome-like abnormalities in mice?
Does overexpression of NPY in noradrenergic neurons cause metabolic syndrome-like abnormalities in mice?
Moderate increase in NPY levels in noradrenergic neurons leads to disturbances in glucose and lipid metabolism, creating a novel mouse model for metabolic syndrome.
NPY overexpression induces metabolic syndrome features in mice; leaves open relevance to human cardiometabolic disease.
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Ruohonen et al. (2008) studied Metabolic syndrome traits. Overexpression of NPY in noradrenergic neurons vs. Wild-type mice was evaluated on Metabolic phenotype (adipose tissue mass, liver triglyceride, glucose tolerance, insulin levels). Transgenic mice overexpressing NPY in noradrenergic neurons developed increased white adipose tissue, liver triglyceride accumulation, hyperinsulinemia, and impaired glucose tolerance by 6 months.
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