Background: β-carotene oxygenase 1 (BCO1) and β-carotene oxygenase 2 (BCO2) are responsible for the cleavage of carotenoids in mammals.
Objective: The goals of this study were to (1) establish the relative contribution of each enzyme on lycopene accumulation in mice and (2) examine the role of lycopene on gene expression in the gut of wild type (WT) mice.
Methods: We utilized male and female WT, Bco1, Bco2, and Bco1Bco2 double knockout (DKO) mice.
Rationale: Abdominal aortic aneurysm (AAA) is a complex disease with both genetic and environmental risk factors. Together, 6 previously identified risk loci only explain a small proportion of the heritability of AAA.
Objective: To identify additional AAA risk loci using data from all available genome-wide association studies.
Depletion of the mature neutrophil reserve during bacterial sepsis is rare in adults but common in neonates; when it occurs, a fatal outcome is likely. Neutrophil reserve depletion was investigated in groups of premature, 1-day-old and 1-, 2-, and 4-week-old rats by measuring: (1) the size of the neutrophil storage pool, and (2) the proportion of this pool which was released from the storage compartment when a weight-standardized release stimulus was applied. It was found that the premature rat has a small neutrophil storage pool containing 1.
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