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Cell and Developmental Biology Commons

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Full-Text Articles in Cell and Developmental Biology

Lymphoid Hematopoiesis And The Role Of B-Cells In Transgenic Mouse Model Of Sickle Cell Disease, Christina Cotte May 2017

Lymphoid Hematopoiesis And The Role Of B-Cells In Transgenic Mouse Model Of Sickle Cell Disease, Christina Cotte

University Scholar Projects

Sickle cell disease (SCD) has been shown to be associated with decreased baseline immunity and thus increased susceptibility to infection. I sought to discern possible causes of this by looking into the correlations between SCD and hematopoiesis, the immune system and the neuroendocrine system, and ultimately by conducting experiments surrounding the impaired immune system of SCD. These experiments focused on the potential causes and effects of the diminution of B-1a cells in the SCD spleen. Adoptive transfers, infections with Streptococcus pneumoniae, and histologic imaging were conducted to establish if the diminution of the B-1a cells in the SCD spleen …


Characterization Of Myod And Myf5 Double-Knockout Muscle Stem Cells During Muscle Development, Andreea Dinicu May 2017

Characterization Of Myod And Myf5 Double-Knockout Muscle Stem Cells During Muscle Development, Andreea Dinicu

University Scholar Projects

MyoD and Myf5 are transcription factors that regulate myogenesis by promoting satellite cell transcription. The two genes are known to display functional redundancy. Both genes are considered myogenic determination genes and are expressed in satellite cells. The fate of myogenic precursors in the absence of both MyoD and Myf5 remains largely unknown. We aimed to begin attaining this knowledge as part of this project. We utilized a CreLoxP system to control the expression of MyoD in mice lacking Myf5. MyoD was knocked out at embryonic day (E) 11.5 during myogenesis. Limbs were collected from experimental mice following tamoxifen injection. …