FMP Publications

Our publications are recorded in a searchable database since 2010, updates will be added regularly.

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References
Regulation of body weight and energy homeostasis by neuronal cell adhesion molecule 1
Rathjen(*), T., Yan(*), X., Kononenko, N. L., Ku(*), M. C., Song(*), K., Ferrarese(*), L., Tarallo(*), V., Puchkov, D., Kochlamazashvili, G., Brachs(*), S., Varela(*), L., Szigeti-Buck(*), K., Yi(*), C. X., Schriever(*), S. C., Tattikota(*), S. G., Carlo(*), A. S., Moroni(*), M., Siemens(*), J., Heuser(*), A., van der Weyden(*), L., Birkenfeld(*), A. L., Niendorf(*), T., Poulet(*), J. F. A., Horvath(*), T. L., Tschop(*), M. H., Heinig(*), M., Trajkovski(*), M., Haucke, V.; Poy(*), M. N.
Nat Neurosci,
(2017)

Tags: Molecular Pharmacology and Cell Biology (Haucke), Cellular Imaging (Wiesner, Puchkov)

Abstract: Susceptibility to obesity is linked to genes regulating neurotransmission, pancreatic beta-cell function and energy homeostasis. Genome-wide association studies have identified associations between body mass index and two loci near cell adhesion molecule 1 (CADM1) and cell adhesion molecule 2 (CADM2), which encode membrane proteins that mediate synaptic assembly. We found that these respective risk variants associate with increased CADM1 and CADM2 expression in the hypothalamus of human subjects. Expression of both genes was elevated in obese mice, and induction of Cadm1 in excitatory neurons facilitated weight gain while exacerbating energy expenditure. Loss of Cadm1 protected mice from obesity, and tract-tracing analysis revealed Cadm1-positive innervation of POMC neurons via afferent projections originating from beyond the arcuate nucleus. Reducing Cadm1 expression in the hypothalamus and hippocampus promoted a negative energy balance and weight loss. These data identify essential roles for Cadm1-mediated neuronal input in weight regulation and provide insight into the central pathways contributing to human obesity.

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Leibniz-Forschungsinstitut für Molekulare Pharmakologie im Forschungsverbund Berlin e.V. (FMP)
Campus Berlin-Buch
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13125 Berlin, Germany
+4930 94793 - 100 
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info(at)fmp-berlin.de

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