KLB is associated with alcohol drinking, and its gene product β-Klotho is necessary for FGF21 regulation of alcohol preference
Schumann G; Liu C; O'Reilly P; Gao H; Song P; Xu B; Ruggeri B; Amin N; Jia T; Preis S; Segura Lepe M; Akira S; Barbieri C; Baumeister S; Cauchi S; Clarke TK; Enroth S; Fischer K; Hällfors J; Harris SE; Hieber S; Hofer E; Hottenga JJ; Johansson å; Joshi PK; Kaartinen N; Laitinen J; Lemaitre R; Loukola A; Luan J; Lyytikäinen LP; Mangino M; Manichaikul A; Mbarek H; Milaneschi Y; Moayyeri A; Mukamal K; Nelson C; Nettleton J; Partinen E; Rawal R; Robino A; Rose L; Sala C; Satoh T; Schmidt R; Schraut K; Scott R; Smith AV; Starr JM; Teumer A; Trompet S; Uitterlinden AG; Venturini C; Vergnaud AC; Verweij N; Vitart V; Vuckovic D; Wedenoja J; Yengo L; Yu B; Zhang W; Zhao JH; Boomsma DI; Chambers J; Chasman DI; Daniela T; de Geus E; Deary I; Eriksson JG; Esko T; Eulenburg V; Franco OH; Froguel P; Gieger C; Grabe HJ; Gudnason V; Gyllensten U; Harris TB; Hartikainen AL; Heath AC; Hocking L; Hofman A; Huth C; Jarvelin MR; Jukema JW; Kaprio J; Kooner JS; Kutalik Z; Lahti J; Langenberg C; Lehtimäki T; Liu Y; Madden PA; Martin N; Morrison A; Penninx B; Pirastu N; Psaty B; Raitakari O; Ridker P; Rose R; Rotter JI; Samani NJ; Schmidt H; Spector TD; Stott D; Strachan D; Tzoulaki I; van der Harst P; van Duijn CM; Marques-Vidal P; Vollenweider P; Wareham NJ; Whitfield JB; Wilson J; Wolffenbuttel B; Bakalkin G; Evangelou E; Liu Y; Rice KM; Desrivières S; Kliewer SA; Mangelsdorf DJ; Müller CP; Levy D; Elliott P
https://urn.fi/URN:NBN:fi-fe2021042716232
Tiivistelmä
Excessive alcohol consumption is a major public health problem worldwide. Although drinking habits are known to be inherited, few genes have been identified that are robustly linked to alcohol drinking. We conducted a genome-wide association metaanalysis and replication study among >105,000 individuals of European ancestry and identified β-Klotho (KLB) as a locus associated with alcohol consumption (rs11940694; P = 9.2 × 10−12). β-Klotho is an obligate coreceptor for the hormone FGF21, which is secreted from the liver and implicated in macronutrient preference in humans. We show that brain-specific β-Klotho KO mice have an increased alcohol preference and that FGF21 inhibits alcohol drinking by acting on the brain. These data suggest that a liver–brain endocrine axis may play an important role in the regulation of alcohol drinking behavior and provide a unique pharmacologic target for reducing alcohol consumption.
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