Meghdad Rahdar

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Although numerous extracellular phosphoproteins have been identified, the protein kinases within the secretory pathway have only recently been discovered, and their regulation is virtually unexplored. Fam20C is the physiological Golgi casein kinase, which phosphorylates many secreted proteins and is critical for proper biomineralization. Fam20A, a Fam20C(More)
Cystic fibrosis (CF) is a recessive inherited disease associated with multiorgan damage that compromises epithelial and inflammatory cell function. Induced pluripotent stem cells (iPSCs) have significantly advanced the potential of developing a personalized cell-based therapy for diseases like CF by generating patient-specific stem cells that can be(More)
Phosphatase and tensin homolog (PTEN), which negatively regulates tumorigenic phosphatidylinositol (3,4,5)-trisphosphate (PIP3) signaling, is a commonly mutated tumor suppressor. The majority of cancer-associated PTEN mutations block its essential PIP3 phosphatase activity. However, there is a group of clinically identified PTEN mutations that maintain(More)
The tumor suppressor PIP3 phosphatase PTEN is phosphorylated on four clustered Ser/Thr on its C-terminal tail (aa 380-385) and these phosphorylations are proposed to induce a reduction in PTEN's plasma membrane recruitment. How these phosphorylations affect the structure and enzymatic function of PTEN is poorly understood. To gain insight into the(More)
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