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Articles 1 - 5 of 5
Full-Text Articles in Genetics and Genomics
Mechanistic Insights Into The Regulation Of Mitochondrial Fission By Cyclin C, Vidyaramanan Ganesan, Katrina F Cooper, Randy Strich
Mechanistic Insights Into The Regulation Of Mitochondrial Fission By Cyclin C, Vidyaramanan Ganesan, Katrina F Cooper, Randy Strich
Rowan-Virtua School of Osteopathic Medicine Faculty Scholarship
Cyclin C is a component of the mediator complex of RNA polymerase II that localizes to the nucleus under normal conditions. In response to stress, cyclin C translocates to the cytosol and mitochondria and mediates stress‐induced mitochondrial fission and apoptosis. The molecular mechanisms by which cyclin C induces mitochondrial fission are unknown. Using in vitro experimental approaches, we sought to investigate the mechanistic basis of cyclin C mediated mitochondrial fission.
Chaperoning Ef Hands That Shape Calcium Response: Ncald, Hpca And S100b, Jingyi Zhang
Chaperoning Ef Hands That Shape Calcium Response: Ncald, Hpca And S100b, Jingyi Zhang
Graduate School of Biomedical Sciences Theses and Dissertations
All organisms have an internal clock with a defined period between repetitions of activities. The period for circadian clock in human is 24.5 hours, while in mouse and rat, it is 23.5 hours. However, all organisms are forced to be in synchronization with their environment. A major environmental force that resets the internal clock to 24 hours is light. This phenomenon is defined as “light entrainment” or “phase-setting”. It is unclear how this entrainment process occurs. Studies from this laboratory indicate a role for two neuronal calcium sensor proteins: Neurocalcin (NCALD) and S100B. For these two genes, mRNA as …
Molecular Mechanisms Of Dna Replication Initiation In Hpvs With Genetic Variations Leading To Cellular Carcinogenesis, Gulden Yilmaz
Molecular Mechanisms Of Dna Replication Initiation In Hpvs With Genetic Variations Leading To Cellular Carcinogenesis, Gulden Yilmaz
Graduate School of Biomedical Sciences Theses and Dissertations
Human papillomaviruses are a vast family of double-stranded DNA viruses containing non-carcinogenic and carcinogenic types, whose crucial differences remain unknown, except for the difference in the frequency of DNA replication. The human papillomavirus (HPV) E2 protein regulates the initiation of viral DNA replication and transcription. Its recognition and binding to four 12 bp palindromic sequences in the viral origin is essential for its function. Little is known about the DNA binding mechanism of the E2 protein found in HPV types that have low risk for oncogenicity (low-risk) as well as the roles of various elements of the individual binding sites. …
Characterization Of E-Cadherin Regulation In Response To Zeb1 Inhibition In Endometrial Cancer Cell Lines, Chidozie Paul Chukwu
Characterization Of E-Cadherin Regulation In Response To Zeb1 Inhibition In Endometrial Cancer Cell Lines, Chidozie Paul Chukwu
Graduate School of Biomedical Sciences Theses and Dissertations
Epithelial to mesenchymal transition (EMT) is the process in which cells lose their epithelial structure during gastrulation. This process also affects the migration and movement of tumor cells and promotes invasion and metastases of endometrial carcinomas. Down-regulation of E-cadherin (CDH1) by transcription factors is the key target of EMT modulators and is achieved mainly by ZEB1 (zinc finger E-box binding homeobox 1). Current research looking at restoration of E-cadherin expression in vitro involves the use of small molecules such as histone deacetylase (HDAC) inhibitors and DNA methyltransferase inhibitors. Trichostatin A (TSA) and small interfering ribonucleic acid (siRNA) are tools that …
The Role Of The Expansion Segment 7 Of 25s Rrna During Oxidative Stress In Saccharomyces Cerevisiae, Ethan Gardner
The Role Of The Expansion Segment 7 Of 25s Rrna During Oxidative Stress In Saccharomyces Cerevisiae, Ethan Gardner
Graduate School of Biomedical Sciences Theses and Dissertations
Translation is an essential process for protein expression in both eukaryotes and prokaryotes. Like any cellular process, translational factors are prone to damage when the cell is under stress. One common stressor that nearly all cells may experience is abnormal levels of reactive oxygen species (ROS). Damage caused by ROS has been associated with disease ranging from neurodegenerative impairments, to the aging process of cells. These oxygen radicals are capable of damaging a litany of molecules including nucleic acids, and molecular factors involved in translation. It has been shown that tRNA can be cleaved upon ROS-induced stress and these fragments …