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Articles 1 - 5 of 5
Full-Text Articles in Nanoscience and Nanotechnology
The Role Of The Neurodevelopmental Disorder Gene Myt1l In Mammalian Brain Development, Jiayang Chen
The Role Of The Neurodevelopmental Disorder Gene Myt1l In Mammalian Brain Development, Jiayang Chen
Arts & Sciences Electronic Theses and Dissertations
Recent human genetic studies have associated mutations in a gene called Myelin Transcription Factor 1 Like (MYT1L) with neurodevelopmental disorders (NDDs). Patients with MYT1L loss of function (LoF) mutations (MYT1L Syndrome patients) demonstrate shared symptoms such as microcephaly, attention deficit and hyperactivity disorder (ADHD), and obesity. Despite prior studies showing MYT1L overexpression facilitates neuronal differentiation in vitro, its functions in vivo, especially in the mammalian brain, and how its mutation leads to human disease pathology remains poorly understood. Here, I established the first mouse model of MYT1L Syndrome mimicking a patient specific LoF mutation. I found mice with Myt1l heterozygous …
Towards Environmental Sustainability Of Nanotechnology Through Improved Evaluations Of Impact And Risk To Aquatic Species: Cross-Species Comparisons From The Laboratory And Environmentally Realistic Exposure Scenarios In The Field, Becky J. Curtis
Theses and Dissertations
Engineered nanomaterials (ENMs) are utilized in a wide variety of applications and products, including everything from toothpaste and personal care products to industries such as aerospace, defense, medicine, electronics, and agriculture. Depending on the application, release of ENMs to the environment may occur through both unintentional and deliberate routes. High surface-area-to-volume ratios make ENMs more volatile than bulk counterparts, and their small size allows translocation within biological systems that would not be possible with larger materials. These and other characteristics make ENM-biological system interactions unpredictable, creating uncertainty about their potential risks to environmental health. The purpose of this research is …
Disentangling Glial Diversity In Peripheral Nerves At Single Nuclei Resolution, Aldrin Kay Yuen Yim
Disentangling Glial Diversity In Peripheral Nerves At Single Nuclei Resolution, Aldrin Kay Yuen Yim
Arts & Sciences Electronic Theses and Dissertations
The ability to discern gene expression at single cell level is revolutionizing our understanding of both basic biology and human health. Peripheral nerves are essential communicators between the outside world and the CNS, as evidenced by the devastating effects of diseases that disrupt them, such as ALS, Charcot-Marie-Tooth Syndrome and diabetic neuropathy. Understanding peripheral nerve dysfunction at a mechanistic level is of considerable interest due to the increasing prevalence and associated patient care costs of these disorders. Although most research of the peripheral nerve has focused on glial-axonal interactions, the important contributions of other cell types besides Schwann cells, such …
Detecting And Analyzing Trna Modification Systems And Homologs Using In Silico And Colorectal Cancer Models, Khadijah Onanuga
Detecting And Analyzing Trna Modification Systems And Homologs Using In Silico And Colorectal Cancer Models, Khadijah Onanuga
Legacy Theses & Dissertations (2009 - 2024)
tRNA modifications can be considered epitranscriptomic signaling components that regulate translation and play integral roles in stress response pathways. As such, tRNA modification enzymes have roles in cancer etiology and potential utility as biomarkers of pathological states. For my thesis project I have used computational and wet bench approaches to study tRNA modification systems. Chapter two of my thesis deals with tRNA modification detection, as current methods are costly, time consuming, and require RNA fragmentation. I present a single-molecule-based approach for RNA modification detection, which involves in slico studies using a 5-layered graphene nanopore. Our simulations using a 1.5 nm …
Size Specific Transfection To Mammalian Cells By Micropillar Array Electroporation, Yingbo Zu
Size Specific Transfection To Mammalian Cells By Micropillar Array Electroporation, Yingbo Zu
Doctoral Dissertations
Electroporation serves as a promising non-viral gene delivery approach, while its current configurations carry drawbacks associated with high-voltage electrical pulses and heterogeneous treatment on individual cells. Here, we developed a new micropillar array electroporation (MAE) platform to advance the delivery of plasmid DNA and RNA to mammalian cells. By introducing well-patterned micropillar array on the electrode surface, the number of pillars each cell faces varies with its cell membrane surface area, despite their large population and random locations. In this way, cell size specific electroporation is conveniently done and contributed to a 2.5~3 fold increase on plasmid DNA transfection and …