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Articles 1 - 4 of 4
Full-Text Articles in Biochemistry
Physiological Function Of Fus: An Rna Binding Protein In Motor Neuron Disease, Liuqing Yang
Physiological Function Of Fus: An Rna Binding Protein In Motor Neuron Disease, Liuqing Yang
Theses and Dissertations--Molecular and Cellular Biochemistry
FUS is an RNA binding protein implicated in the motor neuron disease— amyotrophic lateral sclerosis (ALS, also called Lou Gehrig’s disease). ALS is a fatal neurodegenerative disease characterized by progressive motor neuron death. Mutations in the FUS gene cause about 4% of familial ALS (FUS ALS). Mutated FUS protein mislocalizes from the motor neuron nucleus to the cytoplasm and forms inclusions in the cytoplasm. It is unclear how FUS mislocalization induces motor neuron dysfunction and degeneration. This dissertation research was designed to investigate the physiological functions of FUS in the nucleus, with a purpose to shed light on the pathogenesis …
The Role Of Phlpp In Pancreatic Cancer, Alena J. Smith
The Role Of Phlpp In Pancreatic Cancer, Alena J. Smith
Theses and Dissertations--Molecular and Cellular Biochemistry
Medicine has come a long way in recent years with reliable treatments for many cancers. Pancreatic ductal adenocarcinoma (PDAC) has very few treatment options available. PDAC has a dismal 5 year survival rate of 4% and a median survival span of 6 months from point of diagnosis; with a high rate of chemotherapy and radiation resistance. A better understanding of the molecular events leading to cancer progression is needed in order to improve the treatment and prognosis of PDAC patients. We begin to elucidate the functional importance of PHLPP on suppressing progression and metastasis of PDAC. PHLPP belongs to a …
Adp-Ribosylation Factor 6 (Arf6) Regulates Integrin Αiibβ3 Trafficking, Platelet Spreading, And Clot Retraction, Yunjie Huang
Adp-Ribosylation Factor 6 (Arf6) Regulates Integrin Αiibβ3 Trafficking, Platelet Spreading, And Clot Retraction, Yunjie Huang
Theses and Dissertations--Molecular and Cellular Biochemistry
Endocytic trafficking of platelet surface receptors plays a role in the accumulation of granule cargo (i.e. fibrinogen and VEGF) and thus could contribute to hemostasis, angiogenesis, or inflammation. However, the mechanisms of platelet endocytosis are poorly understood. The small GTP-binding protein, ADP-ribosylation factor 6 (Arf6), regulates integrin trafficking in nucleated cells; therefore, we posited that Arf6 functions similarly in platelets. To address this, we generated platelet-specific, Arf6 knockout mice. Arf6-/- platelets had a storage defect for fibrinogen but not other cargo, implying Arf6’s role in integrin αIIbβ3 trafficking. Additionally, platelets from Arf6-/- mice injected with biotinylated-fibrinogen, showed …
Physical Interactions Between Neuropilin And Vegfrs, Integrins In Regulating Endothelial Cell Functions, Xiaobo Li
Theses and Dissertations--Molecular and Cellular Biochemistry
The neuropilin (Nrp) family consists of multifunctional cell surface receptors with critical roles in a number of different cell and tissue types. A core aspect of Nrp function is ligand-dependent cellular adhesion and migration, where it controls the multistep process of cellular motility through integration of ligand binding, receptor coupling and signaling via the coordinated action of its extracellular and intracellular domains. While Nrp regulates cellular adhesion and motility in the cardiovascular and nervous systems under physiological conditions, the emerging pathological role of Nrp in tumor cell migration and metastasis has been identified and provides motivation for continued efforts toward …