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Regulation Of Pituitary Progenitor Differentiation By Β-Catenin, Julie Leann Youngblood
Regulation Of Pituitary Progenitor Differentiation By Β-Catenin, Julie Leann Youngblood
Theses and Dissertations
The pituitary gland is a critical organ that is necessary for many physiological processes, including growth, reproduction, and stress response. These vital processes are regulated through the secretion of pituitary hormones from specialized cell types. Pituitary hormone-producing cells arise from a common pool of pituitary progenitors in the developing Rathke’s pouch, and mutations that disrupt the formation and differentiation of pituitary progenitors often result in hypopituitarism, pituitary adenomas, or craniopharyngiomas. Thus, it is necessary to determine the mechanisms of pituitary development in order to understand the ways in which these congenital defects and tumors develop and disrupt pituitary function. Canonical …
Regulation Of Prostaglandin D2 And Angiogenesis-Related Factors From Human Skin Mast Cells By Interleukin-6 And Resveratrol, Cody Cody Mchale
Regulation Of Prostaglandin D2 And Angiogenesis-Related Factors From Human Skin Mast Cells By Interleukin-6 And Resveratrol, Cody Cody Mchale
Theses and Dissertations
Mast cells are classically recognized as the effector cells of Immunoglobulin E (IgE)-mediated hypersensitivity reactions (i.e. allergic reactions). Mast cells also play an important role in the innate immune response to parasitic helminth infection. Allergic disease including allergic rhinitis, asthma, atopic dermatitis, and anaphylaxis, is a major health concern in the United States with greater than 60 million Americans suffering from allergy and asthma. In addition, mast cells have more recently been implicated in non-allergic disease including various human cancers, which will affect approximately 39.6% of U.S. men and women. Therefore, understanding the immunological and molecular mechanisms that regulate mast …
Regulation Of Cytoplasmic Dynein By Lis1 And Adenomatous Polyposis Coli, Timothy Joshua Hines
Regulation Of Cytoplasmic Dynein By Lis1 And Adenomatous Polyposis Coli, Timothy Joshua Hines
Theses and Dissertations
Cytoplasmic dynein 1 (dynein) is a microtubule motor that plays a role in mitosis, cell migration, and minus-end directed microtubule-based transport. The lissencephaly protein, Lis1, and its binding partner, Ndel1, are critical regulators of cytoplasmic dynein (Niethammer et al., 2000). In humans, haploinsufficiency of Lis1 leads to lissencephaly, a devastating developmental neurological disorder characterized by severe brain malformation, leading to cognitive and motor defects, and progressively worsening seizures (Dobyns et al., 1993). While Lis1 is known to play a role in regulating dynein-dependent functions such as neuronal migration and mitotic spindle orientation during development, the protein is still highly expressed …