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Determining The Bioaccumulation Of Minor Cannabinoids In Zebrafish Larvae, Kamdyn A. Holt Apr 2025

Determining The Bioaccumulation Of Minor Cannabinoids In Zebrafish Larvae, Kamdyn A. Holt

Honors Theses

Due to the increasing prevalence of cannabis product availability and usage in the modern United States, particularly among pregnant individuals, evaluating the bioaccumulation of minor cannabinoids to further understand the adverse effects of cannabinoids during early development is critical. This study quantitated the uptake of eight minor cannabinoids ((∆8-tetrahydrocannabinol (∆8-THC), ∆9-THC, ∆10-THC, cannabidiol (CBD), cannabigerol (CBG), cannabinol (CBN), tetrahydrocannabivarin (THCV), and hexahydrocannabinol (HHC)) in zebrafish larvae following water-borne 2 µM exposures from 6 to 96 hours post fertilization (hpf). Larvae were homogenized at 96 hpf and analyzed using a gas chromatography- mass spectrometry (GC-MS) method developed in this study. Bioconcentration …


Exogenous Exposure To Dihydroxyacetone Mimics High Fructose Induced Oxidative Stress And Mitochondrial Dysfunction, Raj Mehta Aug 2023

Exogenous Exposure To Dihydroxyacetone Mimics High Fructose Induced Oxidative Stress And Mitochondrial Dysfunction, Raj Mehta

Honors Theses

Dihydroxyacetone (DHA) is a three-carbon sugar that is the active ingredient in sunless tanning products and a by-product of electronic cigarette (e-cigarette) combustion. Increased use of sunless tanning products and e-cigarettes has elevated exposures to DHA through inhalation and absorption. Studies have confirmed that DHA is rapidly absorbed into cells and can enter into metabolic pathways following phosphorylation to dihydroxyacetone phosphate (DHAP), a product of fructose metabolism. Recent reports have suggested metabolic imbalance and cellular stress results from DHA exposures. However, the impact of elevated exposure to DHA on human health is currently under-investigated. We propose that exogenous exposures to …


Development Of A Chemical Genetic Screen To Determine Synergistic Compounds With Laromustine In Treating Glioblastoma Multiforme Cultured Cells, Ryan Weeks Jan 2016

Development Of A Chemical Genetic Screen To Determine Synergistic Compounds With Laromustine In Treating Glioblastoma Multiforme Cultured Cells, Ryan Weeks

Honors Theses

Laromustine is a chemotherapeutic sulfonylhydrazine prodrug used in clinical trials to treat acute myeloid leukemia (AML) and glioblastoma multiforme (GBM). While treatment of AML with laromustine has more demonstrative clinical success, there are enough promising data against GBM to pursue additional pre-clinical and clinical experiments. To determine the synergistic effects caused by treating cultured GBM cells with laromustine and a library of FDA-approved compounds, a chemical genetic screen was developed. To optimize the screen, optimal cultured GBM cell seed density, growth period and maximum well capacity were determined. The treatment period for a lethal dose of laromustine in cultured GBM …