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Full-Text Articles in Life Sciences

Activating The Msh2/Msh6 Apoptotic Pathway In Cancer Cells Using Non-Reserpine Compounds, Jacob M. Mauceri May 2015

Activating The Msh2/Msh6 Apoptotic Pathway In Cancer Cells Using Non-Reserpine Compounds, Jacob M. Mauceri

Honors College Theses

DNA mismatch repair (MMR) is a system that is highly conserved in both prokaryotes and eukaryotes. The heterodimeric protein MutSα and a suite of associated proteins are essential in the recognition and repair of DNA afflicted with mispaired bases and short insertion/deletion loops, but are also implicated in funneling damaged cells towards apoptosis via a key conformational change in a subunit of the MutSα complex. This conformation can be bound specifically by the small molecule reserpine. Molecular dynamics modeling and virtual screening were used to identify additional small molecule novel ligands with the predicted ability to selectively bind this “death” …


Developmental Toxicity Of Tetrakis (Hydromethyl) Phosphonium Chloride (Thpc) In Zebrafish (Danio Rerio) Embryos, Lan L. Nguyen Apr 2015

Developmental Toxicity Of Tetrakis (Hydromethyl) Phosphonium Chloride (Thpc) In Zebrafish (Danio Rerio) Embryos, Lan L. Nguyen

Honors College Theses

Tetrakis (hydromethyl) phosphonium chloride (THPC) is a tetrakis (hydromethyl) phosphonium salt commonly used by the textile industry and is polymerized onto cotton fabrics to provide a flame-retardant finish. Traces of THPC were found in the Ogeechee River, a 294 mile-long black river in Georgia, and could have been a toxin contributing to the mass killing of aquatic animals in May 2011. THPC has been known to be carcinogenic and cause other systemic toxicity in various mammalian animals. However given that the chemical is mostly discharged in natural waters, the environmental impact of the discharge on water quality and there by …


Myosin 10 Is Required For Spinal Motor Axon Growth And Guidance In Zebrafish Embryos, Crystal Ivey Jan 2015

Myosin 10 Is Required For Spinal Motor Axon Growth And Guidance In Zebrafish Embryos, Crystal Ivey

Electronic Theses and Dissertations

Neurodevelopmental disorders are disabilities caused by malfunctioning mechanisms within the developing nervous tissue. These abnormalities often result in conditions such as autism spectrum disorders, Attention Deficient Hyperactivity Disorder (ADHD), motor dysfunctions, learning disabilities and mental retardation. Recent surveys indicate that there will be a 12% increase of children in the United States alone who are affected by neurodevelopmental disorders. Thus, it is important to understand both the normal and abnormal mechanisms of neural development. Neural development involves specification of new neurons and formation of neural circuits that connect the nervous system to every organ of the developing embryo. Neural circuits …


Myosinx Is Required For Craniofacial Development In Danio Rerio, Cole Yancey Jan 2015

Myosinx Is Required For Craniofacial Development In Danio Rerio, Cole Yancey

Electronic Theses and Dissertations

Craniofacial development is the process of laying early cartilage and bone patterns in the anterior region of the embryo, which ultimately results in shaping the structure of the face and head of an organism. Craniofacial abnormalities in humans, such as cleft lip and palate, are among the most common of all birth defects. Therefore, investigating the molecular mechanisms involved in craniofacial development will help us understand both evolutionary processes and genetic diseases. Craniofacial cartilage and bone structures are almost entirely derived from neural crest cells. Neural crest are a pluripotent migratory stream of cells that originate from the early developing …