Key result
Recessive major gene determinant accounts for ~37% of TER variance, independent of total fat mass.
Why the study?
Regional fat distribution, especially centralized fat deposition, is linked to higher cardiovascular risks independent of general obesity, motivating investigation of genetic influences on fat storage patterns.
Population
Participants from the Québec Family Study
Comparison
High versus low trunk to extremity fat ratio adjusted for total fat mass
Design
Observational study with segregation genetic analysis
Authors
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Hypothesis-generating for genetic fat distribution traits; leaves open clinical utility pending replication in diverse cohorts.
Observational
Effect estimate: 37% of phenotypic variance
A recessive major gene determinant accounts for 37% of the phenotypic variance in the trunk to extremity fat ratio, suggesting a strong genetic component to centralized obesity.
Borecki et al. (1995) conducted an observational in Centralized obesity and regional fat distribution. Recessive major gene determinant was evaluated on Phenotypic variance in trunk to extremity ratio (TER) (37% of phenotypic variance). A recessive major gene determinant accounts for 37% of the phenotypic variance in the trunk to extremity ratio (TER), independent of total fat mass.
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