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Articles 1 - 11 of 11
Full-Text Articles in Chemicals and Drugs
Use Of A Zebrafish Model To Identify Anticonvulsant Properties Of Cannabinoid And Terpenoid Extracts And Mixtures, Courtney Murr
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 …
Zein And Lignin-Based Nanoparticles As Delivery Systems: Pesticide Release And Nanoparticle Health Impact On Soybean Plants, Fallon Polette Salinas Gonzalez
Zein And Lignin-Based Nanoparticles As Delivery Systems: Pesticide Release And Nanoparticle Health Impact On Soybean Plants, Fallon Polette Salinas Gonzalez
LSU Doctoral Dissertations
This research examined the effect of biodegradable, polymeric, lignin-based nanoparticles (LNPs, 113.8±3.4, negatively charged) and zein nanoparticles (ZNP, 141.6±3.9, positively charged) on soybean plant health. The LNPs were synthesized from lignin, covalently linked to poly(lactic-co-glycolic) acid by emulsion evaporation. ZNPs were synthesized by nanoprecipitation. Soybeans grown hydroponically were treated with three concentrations (0.02, 0.2, and 2 mg/ml) of NPs at 28 days after germination. The effect of ZNPs and LNPs on plant health was determined through analysis of root and stem length, chlorophyll concentration, dry biomass of roots and stem, as well as carbon, nitrogen, and micronutrient absorption after 1, …
The Effects Watermelon Juice On Post Prandial Vascular Endothelial Function And Blood Flow During Hyperglycemia, Cullen M. Vincellette
The Effects Watermelon Juice On Post Prandial Vascular Endothelial Function And Blood Flow During Hyperglycemia, Cullen M. Vincellette
LSU Master's Theses
Impaired endothelial function and microvascular dysfunction are frequently observed in individuals with cardiovascular risk factors such as obesity, insulin resistance, and type 2 diabetes. Reduced nitric oxide (NO) bioavailability is considered to be central to the development of these risk factors. NO can be generated via enzymatic reaction via NO synthase which requires the amino acid arginine. Evidence suggests that the amino acid citrulline is more effective at increasing circulating arginine levels than arginine supplementation alone. The purpose of this pilot study is to determine the potential for citrulline-rich watermelon juice (WMJ) to attenuate the reduction in postprandial endothelial function …
Synthesis And Preliminary Ex Vivo Testing Of Sirna Targeting Tcrb: A Proposed Therapy For The Treatment Of Autoimmunity, Nicholas J. Magazine
Synthesis And Preliminary Ex Vivo Testing Of Sirna Targeting Tcrb: A Proposed Therapy For The Treatment Of Autoimmunity, Nicholas J. Magazine
LSU Doctoral Dissertations
Abstract
Background:
As of 2018, the United States National Institutes of Health estimate that over half a billion people worldwide are affected by autoimmune disorders. Though these conditions are prevalent, treatment options remain relatively poor, relying primarily on various forms of immunosuppression which carry potentially severe side effects and often lose effectiveness overtime. Given this, new forms of therapy are needed. We propose small-interfering RNA (siRNA) for hypervariable regions of the T-cell receptor β-chain gene (TCRb) as a highly targeted, novel means of therapy for the treatment of autoimmune disorders.
Objectives:
To develop methods to produce siRNA targeting …
Experimental And Computational Tools For Single Cell Analysis In Cancer Diagnostics, Manibarathi Vaithiyanathan
Experimental And Computational Tools For Single Cell Analysis In Cancer Diagnostics, Manibarathi Vaithiyanathan
LSU Doctoral Dissertations
Substantial evidence shows that cellular heterogeneity commonly exists within an isogenic or clonal population. Whether in isolation or caused through a combination of the above events, cellular heterogeneity can dramatically influence cellular decision making and cell fate, however, this can be masked by the average response from a population. One approach to solve this issue is to analyze a population at the individual cell level. The goal of this work is to develop high-throughput experimental and computational platforms to screen and quantify single cancer cells for specific intracellular enzyme activities. An interdisciplinary approach was taken to 1) better understand the …
Near Infrared Gumbos And Nanogumbos For Biomedical Applications, Mi Chen
Near Infrared Gumbos And Nanogumbos For Biomedical Applications, Mi Chen
LSU Doctoral Dissertations
Recent advances in development of nanomaterials have provided great opportunities for cancer research. In this dissertation, nanoGUMBOS derived from a group of uniform materials based on organic salts (GUMBOS) were investigated for several biomedical applications including chemotherapy, photothermal therapy (PTT), and drug delivery. GUMBOS are solid-phase organic salts consisting of bulky cations and anions. Similar to ionic liquids, GUMBOS display highly tunable properties with counter-ions variation, but with a defined melting point range of 25–250 °C. Nanomaterials derived from GUMBOS, i.e. nanoGUMBOS, display enhanced properties at the nanoscale level. This dissertation focuses on development of near infrared IR780 nanoGUMBOS for …
Divergent Transcriptional Regulation Of Suppressors Of Cytokine Signaling Genes In Adipocytes, Paula Mota De Sa
Divergent Transcriptional Regulation Of Suppressors Of Cytokine Signaling Genes In Adipocytes, Paula Mota De Sa
LSU Doctoral Dissertations
The Janus Kinase - Signal Transducer and Activator of Transcription (JAK-STAT) signaling pathway transduces several signals crucial for development and homeostasis. Suppressors of cytokine signaling (SOCS) proteins control JAK-STAT signaling via a negative feedback loop. The transcription factor STAT5 is known to play a significant role in fat cell development and function, and several studies suggest that acetylation may affect STAT5 transcriptional activity. To test this hypothesis, we treated 3T3-L1 adipocytes with growth hormone (GH) to activate STAT5 in the presence or absence of histone deacetylase (HDAC) inhibitors. STAT5 acetylation levels were low in adipocytes and mostly unchanged by the …
Direct Quantification Of Deubiquitinating Enzyme Activity In Single Intact Cells, Nora Safabakhsh
Direct Quantification Of Deubiquitinating Enzyme Activity In Single Intact Cells, Nora Safabakhsh
LSU Doctoral Dissertations
Challenges in drug efficacy occur during the treatment of most types of cancer due to the heterogeneity of the tumor microenvironment. This has led to the development of personalized medicine. Due to the clinical success of the proteasome inhibitors Bortezomib and Carfilzomib in treatment of multiple myeloma, interest has shifted towards molecularly-targeted chemotherapeutics for ubiquitin-proteasome system (UPS). Deubiquitinating enzymes (DUBs) are an essential part of this pathway which have been found to promote Bortezomib resistance in multiple myeloma patients. Unfortunately, there is a lack of specific, high throughput biochemical assays to characterize DUB activity in patient samples before and after …
Endocannabinoid Metabolome Of Human Breast Milk, Adriana V. Gaitan Espinoza
Endocannabinoid Metabolome Of Human Breast Milk, Adriana V. Gaitan Espinoza
LSU Doctoral Dissertations
Human breast milk (HBM) is an extremely complex yet fascinating biofluid tailored to meet an infant’s nutritional requirements for development. Amongst the nutrients present in HBM, the long-chain polyunsaturated fatty acids (LCPUFAs) are of high importance due to the pivotal role they play in infant cognitive and visual development, and growth. In addition, the LCPUFAs are precursors to endocannabinoids (EC) which are endogenous lipid mediators. EC exert metabolic responses including appetite and food intake regulation, and they have been identified to play a role in establishing the suckling response of the newborn that is needed to nurse. Thus, we aimed …
Paclitaxel Enhances Oncolytic Potential Of Herpes Simplex Virus Type-1 In Cancer Cells, Misagh Naderi
Paclitaxel Enhances Oncolytic Potential Of Herpes Simplex Virus Type-1 In Cancer Cells, Misagh Naderi
LSU Master's Theses
Taxanes are spindle poisons that bind to and stabilize microtubules resulting in mitotic arrest. Herpes simplex Typ-1 (HSV-1) virions utilize the microtubular network for intracellular transport during both virus entry and virus egress from infected cells. It has been reported previously that taxanes may synergize with oncolytic herpes simplex viruses in the treatment of experimental prostate and breast tumors in mice. Other reports have indicated that taxanes may inhibit viral replication in infected cells. In this study the previously characterized Oncolytic Herpes Simplex Virus type 1 (OSVP), which was constructed in Kousoulas lab was used in conjugation with paclitaxel (taxol) …
The Effects Of Medication On The Attributional Styles Of Boys With Adhd, Scott Patrick Ardoin
The Effects Of Medication On The Attributional Styles Of Boys With Adhd, Scott Patrick Ardoin
Honors Theses
No abstract provided.