Targeted and selective knockout of the TLQP-21 neuropeptide unmasks its unique role in energy homeostasis
Sahu B, Razzoli M, McGonigle S, Pallais J, Nguyen M, Sadahiro M, Jiang C, Lin W, Kelley K, Rodriguez P, Mansk R, Cero C, Caviola G, Palanza P, Rao L, Beetch M, Alejandro E, Sham Y, Frontini A, Salton S, Bartolomucci A. Targeted and selective knockout of the TLQP-21 neuropeptide unmasks its unique role in energy homeostasis. Molecular Metabolism 2023, 76: 101781. PMID: 37482186, PMCID: PMC10400922, DOI: 10.1016/j.molmet.2023.101781.Peer-Reviewed Original ResearchConceptsGenetic engineering approachesUnique metabolic phenotypeMass spectrometry identificationPrecursor geneGel digestionGenetic lossTLQP-21Cleavage siteC-terminal arginineGenesMutant sequencesSelective knockoutEssential roleBiological constraintsMetabolic phenotypeMouse linesEnergy homeostasisComposite phenotypeMutant miceValuable resourceVGF gene