Leptin, Arteriosclerosis, Lipoproteins, Golgi Apparatus, Mice, Obese, Wnt1 Protein, Ceramides, Endoplasmic Reticulum, Bone and Bones, Mice, Niemann-Pick C1 Protein, Proto-Oncogene Proteins, Cricetinae, Drosophila Proteins, Animals, Humans, Genetic Predisposition to Disease, Cloning, Molecular, Chromosomes, Artificial, Yeast, Molecular Biology, LDL-Receptor Related Proteins, Membrane Glycoproteins, Apolipoprotein A-I, Cholesterol, HDL, Intracellular Signaling Peptides and Proteins, Membrane Transport Proteins, Chromosome Mapping, Proteins, Biological Transport, Zebrafish Proteins, Wnt Proteins, DNA-Binding Proteins, Protein Transport, Low Density Lipoprotein Receptor-Related Protein-5, Drosophila melanogaster, Cholesterol, Liver, Receptors, LDL, Mutation, CCAAT-Enhancer-Binding Proteins, Carrier Proteins, Lipoproteins, HDL, Sterol Regulatory Element Binding Protein 1, Signal Transduction, Transcription Factors