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University of Denver

Electronic Theses and Dissertations

Theses/Dissertations

FMRP

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Full-Text Articles in Molecular Biology

Cooperative Regulation Of Translational Repression By Fmrp And The Mirna Pathway, Navneeta Kaul Aug 2018

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 …


Regulation Of Synaptogenesis By The Mirna Pathway And Fmr/P Bodies, Jacqueline Rochelle Furlong Jan 2015

Regulation Of Synaptogenesis By The Mirna Pathway And Fmr/P Bodies, Jacqueline Rochelle Furlong

Electronic Theses and Dissertations

Post-transcriptional regulation of mRNA is facilitated by different mechanisms, such as microRNA (miRNA) induced gene silencing or fragile X mental retardation protein (FMRP) mediated repression either independent of or acting through cytoplasmic RNA Processing bodies (P bodies). DPTP99A, Lar, and Wg have known functions during synaptogenesis and may be targets of miR-8. Here, we provide evidence that miR-8 regulates DPTP99A in vitro. Non-endogenous miR-8 expressed using an UAS driver regulates Lar. Endogenous miR-8 may regulate DPTP99A in vivo. Here we show that FMRP is capable of colocalizing with the P body components: DCP1, HPat, and Me31B, but not …