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The Ctcf Chromatin Organizer Is Required For Hindlimb Development, Katherine L. Rabicki
The Ctcf Chromatin Organizer Is Required For Hindlimb Development, Katherine L. Rabicki
Electronic Thesis and Dissertation Repository
Mutations in chromatin organizer CTCF were identified in patients with intellectual disability and skeletal defects. Previous studies demonstrated that depletion of CTCF in murine limb mesenchyme results in apoptosis in the forelimb. The role of CTCF in the hindlimb, however, is unknown. My objective was to investigate effects of CTCF deletion on chondrogenesis and skeletal development in the hindlimb. In vitro wild-type micromass cultures demonstrate that chondrocyte gene expression is delayed in the hindlimb when compared to forelimbs. Embryonic CtcfFl/Fl;Prx1Cre mice were investigated, and qRT-PCR and histology were performed on limb buds and long bones. Results show that …
The Effect Of Training Volume And Intensity On Improvements In Muscular Strength And Size In Resistance-Trained Men, Gerald Mangine
The Effect Of Training Volume And Intensity On Improvements In Muscular Strength And Size In Resistance-Trained Men, Gerald Mangine
Electronic Theses and Dissertations
The magnitude of improvements in muscular strength and size are influenced by the volume and intensity of a resistance training program. While it is clearly advantageous for resistance-trained individuals to utilize programming specific to these goals, it not clear which is more important. Therefore the purpose of the present investigation was to determine the effect of focusing on training volume versus intensity on changes in muscle size and strength. Changes in muscular strength and size were examined in 29 resistance-trained men following 8 weeks of resistance training. Participants were randomly assigned to either a high volume (VOL, n = 14, …