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A compendium of expression patterns of cholesterol biosynthetic enzymes in the mouse embryoŞişecioʇlu, MeldaBudak, HarunGeffers, LarsÇankaya, MuratÇiftci, MehmetThaller, ChristinaEichele, GregorKüfrevioʇlu, Ömer IrfanÖzdemir, HasanBrain lipidsCholesterol/ biosynthesisEyeGene expressionIn situ hybridizationNutritionSignal transductionSmith-Lemli-Opitz syndromeAnimalsCholesterolEmbryo, MammalianEnergy MetabolismGene Expression Regulation, DevelopmentalMicecholesterol biosynthetic enzymemessenger RNAsonic hedgehog proteinunclassified drugArticlebrain cortexbrain regioncell growthcell proliferationcholesterol synthesischolesterol transportdevelopmental stageembryomedulla oblongatamesencephalonmouseCholesterol and its biosynthetic pathway intermediates and derivatives are required for many developmental processes including membrane biogenesis, transmembrane receptor signaling, steroid biogenesis, nuclear receptor activation, and posttranslational modifi cation of hedgehog (Hh) proteins. To perform such multifaceted tasks depends on stringent regulation of expression of cholesterol biosynthetic enzymes (CBEs). We established for a whole organism, for the fi rst time, the 3D expression pattern of all genes required for cholesterol biosynthesis (CBS), starting from acetyl-CoA and ending with cholesterol. This data was produced by high-throughput in situ hybridization on serial sections through the mouse fetus. The textually annotated image data were seamlessly integrated into the METscout and GenePaint public databases. This novel information helps in the understanding of why CBEs are expressed at particular locations within the fetus. For example, strong CBE expression is detected at sites of cell proliferation and also where cell growth increases membrane surface, such as in neurons sprouting axons and forming synapses. The CBE data also sheds light on the spatial relationship of cells and tissue that express sonic Hh (Shh) and produce cholesterol, respectively. We discovered that not all cells expressing Shh are capable of CBS. This fi nding suggests novel ways by which cholesterylation of Shh is regulated.American Society for Biochemistry and Molecular Biology Inc.2015Articlehttps://rdlopen.rawdatalibrary.net/r/ebyu/15497https://doi.org/10.1194/jlr.m0596340022-2275enJournal of Lipid Researchinfo:eu-repo/semantics/openAccessinfo:eu-repo/semantics/articlehttps://ebyu-rdlopen.rawdatalibrary.net/tr/items/ebyu/15497