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Gq Noncanonical Roles In Translational Regulation, Brett Demarco
Gq Noncanonical Roles In Translational Regulation, Brett Demarco
Electronic Theses and Dissertations
This study investigates protein nucleic acid interactions, focusing on G-quadruplex (GQ) forming DNA/RNA in human disease. GQ structures are formed in DNA/RNA, when four guanine residues form planar tetrads stabilized by Hoogsteen base pairing, that stack forming a GQ structure stabilized by potassium ions. These GQ structures are targeted by the arginine glycine-glycine (RGG) RNA-binding domain. Fragile X mental retardation protein (FMRP), a translation regulator protein implicated in the fragile X syndrome, has an RGG domain and has been previously shown to interact with neuronal GQ forming messenger RNA (mRNA). We have investigated three neuronal FMRP mRNA targets that we …
Cooperative Regulation Of Translational Repression By Fmrp And The Mirna Pathway, Navneeta Kaul
Cooperative Regulation Of Translational Repression By Fmrp And The Mirna Pathway, Navneeta Kaul
Electronic Theses and Dissertations
Fragile X syndrome (FXS) is the most common inherited monogenic cause of intellectual disability. FXS patients exhibit social and language deficits, hyperactivity, seizures, growth abnormalities, macroorchidism, anxiety, and epilepsy. FXS is caused by the transcriptional silencing of the fragile X mental retardation gene 1 (Fmr1), resulting in the loss of the fragile X mental retardation protein (FMRP). FMRP is a selective mRNA binding protein that plays a role in translation repression. Studies suggest that FMRP utilizes the miRNA pathway to repress translation of its target mRNAs through an unknown mechanism. The aim of my thesis is to investigate …