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Pharmacology, Toxicology and Environmental Health Commons™
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Articles 1 - 7 of 7
Full-Text Articles in Pharmacology, Toxicology and Environmental Health
Activation Of Trpv1 Channel Contributes To Serotonin-Induced Constriction Of Mouse Facial Artery, Bolu Zhou
Activation Of Trpv1 Channel Contributes To Serotonin-Induced Constriction Of Mouse Facial Artery, Bolu Zhou
Graduate College Dissertations and Theses
Tight regulation of cephalic blood circulation is critical under normal physiological conditions, and dysregulation of blood flow to the head occurs in pathophysiological situations such as stroke and migraine headache. The facial artery is an extracranial artery which is one of branches from the external carotid artery territory and its extracranial position indicates its importance in regulating head hemodynamics. Transient receptor potential vanniloid type 1 (TRPV1) is a cation channel permeable to Ca2+ and Na+. Intracellular Ca2+ increase causes vasoconstriction. A previous study indicated the presence of TRPV1 in smooth muscle cells in the facial artery. Protein kinase C (PKC) …
Changes In Threonyl-Trna Synthetase Expression And Secretion In Response To Endoplasmic Reticulum Stress By Monensin In Ovarian Cancer Cells, Jared Louis Hammer
Changes In Threonyl-Trna Synthetase Expression And Secretion In Response To Endoplasmic Reticulum Stress By Monensin In Ovarian Cancer Cells, Jared Louis Hammer
Graduate College Dissertations and Theses
Aminoacyl-tRNA synthetases (ARS) are a family of enzymes that catalyze the charging of amino acids to their cognate tRNA in an aminoacylation reaction. Many members of this family have been found to have secondary functions independent of their primary aminoacylation function. Threonyl-tRNA synthetase (TARS), the ARS responsible for charging tRNA with threonine, is secreted from endothelial cells in response to both vascular endothelial growth factor (VEGF) and tumor necrosis factor-α (TNF-α), and stimulates angiogenesis and cell migration. Here we show a novel experimental approach for studying TARS secretion, and for observing the role of intracellular TARS in the endoplasmic reticulum …
The Effects Of Hypothalamic Brain-Derived Neurotrophic Factor On Catecholaminergic Regulation Of Cardiovascular Function., Nicholas Christopher Cruickshank
The Effects Of Hypothalamic Brain-Derived Neurotrophic Factor On Catecholaminergic Regulation Of Cardiovascular Function., Nicholas Christopher Cruickshank
Graduate College Dissertations and Theses
Considerable evidence supports the claim that a hyperactive sympathetic nervous system (SNS) is involved in most cases of human hypertension, and therefore a more thorough understanding of the central regulation of the SNS may help elucidate novel therapeutic options. The PVN is a key region in SNS regulation of blood pressure (BP) and heart rate (HR). Stimulation of the parvocellular PVN neurons has been shown to enhance sympathetic outflow and thereby increase BP. Brain-derived neurotrophic factor (BDNF), a modulator of neuronal activity is upregulated in the paraventricular nucleus of the hypothalamus (PVN) in response to several hypertensive stimuli such as …
Natural Selection And Genetic Variation In A Promising Chagas Disease Drug Target: Trypanosoma Cruzi Trans-Sialidase, Joseph P. Gallant
Natural Selection And Genetic Variation In A Promising Chagas Disease Drug Target: Trypanosoma Cruzi Trans-Sialidase, Joseph P. Gallant
Graduate College Dissertations and Theses
Rational drug design is a powerful method in which new and innovative therapeutics can be designed based on knowledge of the biological target aiming to provide more efficacious and responsible therapeutics. Understanding aspects of the targeted biological agent is important to optimize drug design and preemptively design to slow or avoid drug resistance. Chagas disease, an endemic disease for South and Central America and Mexico is caused by Trypanosoma cruzi, a protozoan parasite known to consist of six separate genetic clusters or DTUs (discrete typing units). Chagas disease therapeutics are problematic and a call for new therapeutics is widespread. Many …
Assessment Of A Function For Threonyl-Trna Synthetase In Angiogenesis In A Mouse Ovarian Cancer Model, Peibin Wo
Graduate College Dissertations and Theses
Despite the high mortality rate of ovarian cancer, there are few selective biomarkers that detect its progression and none have become successful targets for therapy. A complex microenvironment that promotes angiogenesis, reduces immune responses and alters the integrity of the surrounding matrix is involved through the biology of ovarian cancer. Previous studies done by our lab and collaborators indicated that extracellular threonyl-tRNA synthetase (TARS) is a pro-angiogenic mediator of the ovarian tumor microenvironment, which is secreted in response to inflammatory signals, and actively promotes angiogenesis. In order to better understand the mechanisms underlying the angiogenic effects of TARS in ovarian …
New Approaches To Heterocycle Synthesis: A Greener Route To Structurally Complex Protonated Azomethine Imines, And Their Use In 1,3-Dipolar Cycloadditions, Ram Chandra Dhakal
New Approaches To Heterocycle Synthesis: A Greener Route To Structurally Complex Protonated Azomethine Imines, And Their Use In 1,3-Dipolar Cycloadditions, Ram Chandra Dhakal
Graduate College Dissertations and Theses
1-Aza-2-azoniaallene salts are reactive intermediates that undergo [3+2] cycloaddition with many different types of multiple bonds. For the past several years, the Brewer group has studied the reactivity of these intermediates in intramolecular reactions, and have discovered that these cationic heteroallenes can react through a variety of other, mechanistically distinct, pathways to give different classes of nitrogen heterocycles. For example, prior work in the Brewer group revealed that 1-aza-2-azoniaallene salts could react in an intramolecular [4+2] cycloaddition reaction to give protonated azomethine imine salts containing a 1,2,3,4-tetrahydrocinnoline scaffold. Further study of the scope and limitations of this Diels-Alder-like reaction are …
Transdermal Testosterone For Menopause-Related Hyposexual Desire Disorder: Current Guidelines And Provider Perceptions, Knowledge, And Practice, Kelly Christine White
Transdermal Testosterone For Menopause-Related Hyposexual Desire Disorder: Current Guidelines And Provider Perceptions, Knowledge, And Practice, Kelly Christine White
Graduate College Dissertations and Theses
Hypoactive sexual desire or low libido in women are collectively referred to as hypoactive sexual desire disorder (HSDD). HSDD is estimated to occur in 10% to 15% of adult women. HSDD is likely the most common female sexual dysfunction (FSD) in menopausal women. The hallmark of the diagnosis is personal distress and interpersonal difficulties resulting from low sex drive. Most women will not seek help for this problem. Studies have suggested that primary care providers and gynecologic healthcare providers report not feeling qualified to treat patients with sexual dysfunction, especially HSDD. Testosterone, specifically transdermal testosterone, has been suggested to play …