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Zebrafish Electroretinogram Responses, Brooke Campbell Jan 2024

Zebrafish Electroretinogram Responses, Brooke Campbell

Williams Honors College, Honors Research Projects

The goal of this project is to be able to streamline a protocol for conducting ERGs on zebrafish from mice ERG protocol already present in Dr. Renna’s lab. The objective is to create a protocol specifically for zebrafish and to eliminate any issues that occur when transiting from a mice ERG protocol to a zebrafish ERG protocol and to obtain a light response from zebrafish retinae in differing light intensities. Dr. Renna’s lab has designed an Ex Vivo ERG system with less electrical interference creating defined electrical responses from mouse retina. The setup allows for continual perfusion of the retinal …


The Biobehavioral Effects Of Embryonic Exposure To Neural Inflammation And Oxidative Stress In Zebrafish, Dalton J. Anderson Jan 2024

The Biobehavioral Effects Of Embryonic Exposure To Neural Inflammation And Oxidative Stress In Zebrafish, Dalton J. Anderson

Honors College Theses

The purpose of this research is to improve understanding of the neurodevelopmental effects of embryonic exposure to elevated inflammation and oxidative stress induced by the antipyretic drug acetaminophen (APAP). Our study was the first to examine the interactive effects of APAP and inflammation in zebrafish embryos and how the treatments affect brain development and larval behavior. Experimental groups of zebrafish larvae were exposed to lipopolysaccharide (LPS) to induce inflammation, APAP, or LPS + APAP and larval behavior was analyzed using Ethovision automated behavioral tracking software. We also measured changes in whole-brain Glycogen Synthase Kinase 3 Beta (GSK3B) and GSK3B phosphorylation, …


Use Of A Zebrafish Model To Identify Anticonvulsant Properties Of Cannabinoid And Terpenoid Extracts And Mixtures, Courtney Murr Mar 2021

Use Of A Zebrafish Model To Identify Anticonvulsant Properties Of Cannabinoid And Terpenoid Extracts And Mixtures, Courtney Murr

LSU Master's Theses

Epilepsy is a complex group of neurological disorders affecting approximately 65 million people worldwide. Animal models reveal the activation of cannabinoid receptor 1 and cannabinoid receptor 2 reduces the severity of seizures associated with epilepsy. Trials of phytocannabinoids in mammals demonstrate their efficacy of reducing the severity of epileptic seizures. Numerous terpenoid compounds are present in Cannabis plants but most have yet to be clinically investigated. The goal of this research was to use zebrafish (Danio rerio) to identify the potential anticonvulsive properties of phytocannabinoid and terpenoid compounds. During acute cannabinoid exposures, 7-days-post-fertilization (7 dpf) zebrafish larvae were …


Estrogen Disruption Of Hypothalamic Neural Activity, Princess Dickson Jan 2021

Estrogen Disruption Of Hypothalamic Neural Activity, Princess Dickson

Cal Poly Humboldt theses and projects

The brain is highly dependent on the endocrine system for proper neurodevelopment, as it plays a key role in many biological processes. Bisphenol A is a chemical found in plastics that has the potential to mimic the effects of Estrogen in the body, at least weakly. People interact with plastic that contains BPA regularly, and people are at risk for exposure even before being born. The abundance of BPA, along with other exogenous estrogens, makes examining the relationship between early exposure and changes in brain activity imperative. The current study aims to establish a relationship between disrupted estrogen function and …


The Effects Of Dorsal Lateral Telencephalon Lesions On Zebrafish Social Behaviour, Hailey Katzman Jan 2020

The Effects Of Dorsal Lateral Telencephalon Lesions On Zebrafish Social Behaviour, Hailey Katzman

Theses and Dissertations (Comprehensive)

Zebrafish are extremely social and aggregate in groups to form shoals. This social behaviour has been studied in the wild and in a laboratory setting, yet the mechanisms underlying the behaviour are unknown. There is evidence to suggest that the dorsal lateral telencephalon might play a role in shaping shoaling behaviour, being involved in modulating social behaviours and social reward associated with shoaling. In the current thesis, I adapted and combined several existing methods for performing lesions on the dorsal lateral telencephalon to create my own method to measure the role of the dorsal lateral telencephalon in social reward and …