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Articles 1 - 8 of 8
Full-Text Articles in Life Sciences
Transient Receptor Potential Cation Channel, Subfamilies V, Member 1 (Trpv1) And M, Member 1 (Trpm1) Contribute To Neural Signaling In Mouse Retina., Jennifer Noel
Electronic Theses and Dissertations
The retina processes light information through parallel pathways in order to extract and encode the visual scene. Light information is transmitted to the brain through approximately 30 ganglion cells (GCs), the retinal output neurons. Trp channels modulate the responses of retinal neurons within specific pathways. The study of the expression and function of the majority of Trp channels in the retina is largely in its infancy. My dissertation first investigated the expression and function of the transient receptor potential vanilloid-1 (TRPV1) receptor/channel in the retina. TRPV1, the first cloned and most highly studied Trp channel in the peripheral nervous system, …
Exploring The Relationship Between Behaviour And Neurochemistry In The Polyphenic Spider, Anelosimus Studiosus (Araneae: Theridiidae), Jennifer B. Price
Exploring The Relationship Between Behaviour And Neurochemistry In The Polyphenic Spider, Anelosimus Studiosus (Araneae: Theridiidae), Jennifer B. Price
Electronic Theses and Dissertations
The importance of social behaviour is evident in human society, but there are both costs and benefits associated with cooperation and sociality throughout the animal kingdom. At what point do the benefits outweigh the costs, and when do selective pressures favour sociality and colonization over solitude and independence? To investigate these questions, we have focused on an anomalous species of spider, Anelosimus studiosus, also known now as the northern social spider. Throughout its broad range, A. studiosus is solitary and aggressive, but recently, colonies of cooperative and social individuals have been observed at northern latitudes. This leads to two …
Effects Of Neonatal Capsaicin On Formalin-Induced Atf3 Expression In The Adult Rat., Sarah Krupp
Effects Of Neonatal Capsaicin On Formalin-Induced Atf3 Expression In The Adult Rat., Sarah Krupp
Electronic Theses and Dissertations
Acute and chronic pain can be extremely debilitating conditions, and a better understanding of their underlying pathology is necessary to provide effective treatment. C-Fibers are responsible for transmission of the majority of nociceptive signals, with TRPV1+ C-Fibers being specific to noxious heat. Formalin, an inflammatory agent, acts through TRPA1+ C-Fibers, which have a high degree of co-localization with TRPV1. Using a neonatal capsaicin preparation, which irreversibly ablates the majority of TRPV1+ C-Fibers, formalin- induced inflammation and subsequent ATF3 expression was investigated. Results provide evidence that in addition to a lack of thermal nociception, animals treated with neonatal capsaicin had a …
Effects Of Glyceollin On Mrna Expression In The Female Mouse Brain., Sanaya Firdaus Bamji
Effects Of Glyceollin On Mrna Expression In The Female Mouse Brain., Sanaya Firdaus Bamji
Electronic Theses and Dissertations
Glyceollins (Glys), produced by soy plants in response to stress, have anti-estrogenic activity in breast and ovarian cancer cell lines in vitro and in vivo. In addition to known anti-estrogenic effects, Glys exhibit mechanisms of action not involving estrogen receptor (ER) signaling. To date, effects of Glys on brain physiology and function are unknown. The purpose of the experiments summarized in this dissertation was to gain an understanding of the effects of Gly on brain-related functions in the female mouse brain through the observation of changes in gene expression. For our initial studies, we treated ovariectomized Swiss Webster (CFW) …
Characterization Of Pro-Inflammatory And Anti-Inflammatory Microglia In The Anterior Cingulate Cortex In Autism Spectrum Disorder, Aubrey N. Sciara
Characterization Of Pro-Inflammatory And Anti-Inflammatory Microglia In The Anterior Cingulate Cortex In Autism Spectrum Disorder, Aubrey N. Sciara
Electronic Theses and Dissertations
Autism spectrum disorder (ASD) is associated with functional abnormalities of the anterior cingulate cortex (ACC), a brain area that mediates social behavior. Given evidence of a role of inflammation in ASD, markers of pro-inflammatory and anti-inflammatory microglia were studied using postmortem ACC tissues from ASD and age-matched typically developed control donors. Gene expression levels of pro-inflammatory (CD68, HLA-DRA, IL1B, NOS2, PTGS2) and anti-inflammatory (ARG1, IGF1, MRC1, PPARG) microglial genes were measured using quantitative real-time PCR. Additionally, brain sections were immunohistochemically stained for a microglial marker. Expression levels of IGF1 were modestly higher, while the expression of …
The Combined Effects Of Leptin And Coenzyme Q10 In Ameliorating Obesity- Induced Infertility In Female Rats, Adekunle Adedeji
The Combined Effects Of Leptin And Coenzyme Q10 In Ameliorating Obesity- Induced Infertility In Female Rats, Adekunle Adedeji
Electronic Theses and Dissertations
Infertility is one of the major problems of obesity. Studies have shown that administration of leptin reversed obesity-induced infertility in rats and mice. Coenzyme Q10 (CoQ10) is an antioxidant and also supplies the energy needed for ovulation and embryo development. We hypothesized that leptin when combined with CoQ10 could greatly improve obesity-induced infertility. The results showed a significant decrease in food intake, body weight, and the regular estrous cycle was restored after treatment with leptin+CoQ10. There was a significant increase (p10 significantly (p10 can improve fertility in obese infertile female rats. This study could …
Neuroprotection Comparison Of Different Nutraceutical Compounds Against Mechanistically Distinct Cell Death Inducing Agents, Faten I. Taram
Neuroprotection Comparison Of Different Nutraceutical Compounds Against Mechanistically Distinct Cell Death Inducing Agents, Faten I. Taram
Electronic Theses and Dissertations
Neurodegenerative diseases like Alzheimer's disease (AD), Parkinson's disease (PD), and amyotrophic lateral sclerosis (ALS), include the progressive loss of structure and function of neurons leading to neuronal death. All of these diseases are fatal, as there is no cure for them. The causes of these diseases are unknown; however, there are many proposed mechanisms that lead to neurodegenerative diseases. Oxidative stress is the leading cause of cell death in neurodegenerative diseases, in addition to other mechanisms including endoplasmic reticulum stress, proteasome inhibition, nitrosative stress, inflammation and excitotoxicity. More understanding of the death mechanisms at work in neurodegeneration is necessary to …
The Neuroprotective And Therapeutic Effects Of Anthocyanins And Their Metabolites In Vitro And In A Mouse Model Of Amyotrophic Lateral Sclerosis, Aimee Nicole Winter
The Neuroprotective And Therapeutic Effects Of Anthocyanins And Their Metabolites In Vitro And In A Mouse Model Of Amyotrophic Lateral Sclerosis, Aimee Nicole Winter
Electronic Theses and Dissertations
Anthocyanins, a unique class of flavonoid compounds, have recently come to the forefront of investigative research aimed at evaluating the potential applications of natural products to human health. Evidence demonstrating the beneficial effects of anthocyanin consumption has been reported for a myriad of conditions including cancer, cardiovascular disease, and lately, neurodegenerative disease. Neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease, and amyotrophic lateral sclerosis (ALS) are characterized by the death of specific neuronal populations within the brain and spinal cord, leading to cognitive and/or motor impairment. While the etiology of many of these diseases is largely unknown, several factors have …