Research
Hormonal
Genetic susceptibility to common obesity is distributed across a mosaic of specific neuronal cell types in the brain (including hypothalamus, midbrain, and cortex) rather than being driven by a single canonical energy homeostasis circuit.
This research suggests that obesity is not caused by a single broken part in the brain but involves a complex network of neurons across multiple regions. This implies that treatments targeting only one area (like the hypothalamus) might be insufficient for everyone, and future therapies may need to address this broader neural network.
GoodQualifiesHIGH confidence
Together our results indicate that susceptibility to obesity conferred by common variants, while enriching for some hypothalamic cell types such as VMH Sf1-expressing neurons, is distributed across a mosaic of neuronal cell types of which a majority is involved in regulating integration of sensory stimuli, learning and memory.
Why this rating
Large-scale GWAS (>457,000 individuals) integrated with single-cell RNA sequencing data provides high-resolution genetic mapping.
Source
Genetic mapping of etiologic brain cell types for obesity
Pascal Timshel et al. · eLife · 2020
DOI 10.7554/elife.55851
mechanism_only · n=457000Cited 175×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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