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The Effects Of Sex On Zebrafish Bone Metabolism, Simon Bagatto
The Effects Of Sex On Zebrafish Bone Metabolism, Simon Bagatto
Williams Honors College, Honors Research Projects
I investigated the effects of diet and sex on zebrafish bone metabolism. Zebrafish were subjected to either a high-calorie or low-calorie diet over a five-week period. After this diet, zebrafish scales were used to measure alkaline phosphatase (ALP) and tartrate-resistant acid phosphatase (TRAP) enzyme activity with a fluorescent substrate. The enzyme activities were markers of the osteoblasts (ALP) and the osteoclasts (TRAP). These data were compared among sex and diet of the zebrafish using a repeated measures ANOVA statistical test. I also measured the number of resorption lacunae per scale (another indicator of osteoclast activity). The results showed higher TRAP …
Targeted Limb Heating Augments The Actions Of Igf1 In The Growth Plate And Increases Bone Elongation In Growing Mice, Holly Lyn Racine
Targeted Limb Heating Augments The Actions Of Igf1 In The Growth Plate And Increases Bone Elongation In Growing Mice, Holly Lyn Racine
Theses, Dissertations and Capstones
Bone elongation disorders can lead to painful musculoskeletal disabilities in adulthood. Existing treatment options to correct left-right asymmetry in limb length include invasive surgeries and/or drug regimens. These are often only partially effective. Previous studies in weanling mice have shown that a daily application of mild heat (40°C) to limbs on one side of the body could be used to noninvasively enhance bone elongation. However, the impact of heat-treatment on bone at the cellular level remains elusive. The epiphyseal growth plate, the band of cartilage located at each end of long bones, is the main site of longitudinal growth and …