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Articles 31 - 60 of 67
Full-Text Articles in Life Sciences
Comparison Between The Trap Bar Dead Lift And Back Squat Exercises On Vertical Jump, Douglas A. Young
Comparison Between The Trap Bar Dead Lift And Back Squat Exercises On Vertical Jump, Douglas A. Young
Theses and Dissertations
The ability to produce power during competition is essential. Football requires explosive power in order to get off the ball faster, increase speed of the first step, and increase the height of the vertical jump. Most strength training professionals use the back squat to increase power of the lower extremities; however, as large forces are placed on the back, athletes are at greater risk for injury. The trap bar dead lift is similar to the back squat in movement and form, but the trap bar dead lift reduces the force on the lower back. After testing for maximum vertical jump,athletes …
Calcineurin Is Required For Trpv1-Induced Ltd Of Ca1 Stratum Radiatum Interneurons, Tyron Deray Jensen
Calcineurin Is Required For Trpv1-Induced Ltd Of Ca1 Stratum Radiatum Interneurons, Tyron Deray Jensen
Theses and Dissertations
Learning and memory in the brain are thought to be dependent on synaptic plasticity. In response to sensory input, synapses can be strengthened or weakened, known as long-term potentiation or long-term depression (LTD), respectively. Transient receptor potential vanilloid 1 (TRPV1) has been shown to mediate a novel form of presynaptic LTD in hippocampal interneurons. TRPV1 is currently being heavily studied in the PNS and being targeted by pharmaceuticals for its anti-nociceptive and anti-inflammatory properties. However, much less is known regarding TRPV1 function in the CNS, including the signal mechanism mediating hippocampal LTD despite its obvious importance. Here we performed whole-cell …
An Invasive Species Reduces Aquatic Insect Flux To Terrestrial Food Webs, Steven S. Merkley
An Invasive Species Reduces Aquatic Insect Flux To Terrestrial Food Webs, Steven S. Merkley
Theses and Dissertations
Although it is well documented how introduced species can negatively affect native species, we only poorly understand how they may alter ecosystem functions. We investigated how an invasive fish affected the flux of aquatic insects to terrestrial food webs using mesocosms in a desert spring ecosystem. We compared aquatic insect emergence between alternative community states with monocultures and polycultures of two native species of fish, least chub (Iotichthys phlegethontis) and Utah chub (Gila atraria) plus, introduced western mosquitofish (Gambusia affinis). We tested three hypotheses: (1) aquatic insect biomass will be greater than terrestrial insect …
Changes In Life History Within An Individual's Lifetime, Eric J. Billman
Changes In Life History Within An Individual's Lifetime, Eric J. Billman
Theses and Dissertations
A central goal of life history theory is to understand the selective factors that generate the diversity of reproductive patterns observed in nature. Within lifetime changes in reproductive investment will determine an organism's fitness; however, this area of life history theory has received less attention than comparisons among population that characterize life history traits as a single population mean. Reproductive allocation can be affected by multiple cues; the integration of these cues across an organism's lifetime generates the diversity in life history strategies observed in nature. Life history studies should examine the interacting effects of multiple cues on life history …
Marker Discovery In Allotetraploid Cotton Using 454 Pyrosequencing, Robert L. Byers
Marker Discovery In Allotetraploid Cotton Using 454 Pyrosequencing, Robert L. Byers
Theses and Dissertations
A narrow germplasm base and a complex allotetraploid genome have historically made the discovery of single nucleotide polymorphism (SNP) markers difficult in cotton (Gossypium hirsutum). We conducted a genome reduction experiment to identify SNPs from two accessions of G. hirsutum and two accessions of G. barbadense. Approximately 2 million sequence reads were assembled into contigs with an N50 of 508 bp and analyzed for SNPs. A total of 11,834 and 1,679 SNPs between the accessions G. hirsutum and G. barbadense, respectively, were identified with highly conservative parameters (a minimum read depth of 8x at each SNP …
The Effects Of Β-Amyloid On Α7 Nicotinic Acetylcholine Receptors Expressed In Xenopus Oocytes, Malia L. Anderson
The Effects Of Β-Amyloid On Α7 Nicotinic Acetylcholine Receptors Expressed In Xenopus Oocytes, Malia L. Anderson
Theses and Dissertations
The exact mechanism and progression of Alzheimer's disease (AD) at present is not fully understood. In patients suffering from AD, damage to the hippocampal region and impairment of learning and memory is present. It is also known that a buildup of β-amyloid plaques occur in AD patients and that β-amyloid interacts with some subtypes of neuronal nicotinic acetylcholine receptors (neuronal nAChRs). These receptors are composed of five subunits. The most prevalent nAChR subunit composition through the brain as a whole is α7. Previous data produced from our lab suggests that α7 nAChRs are also one of the most prevalent subunits …
Reproductive Success And Soil Seed Bank Characteristics Of Astragalus Ampullarioides And A. Holmgreniorum (Fabaceae): Two Rare Endemics Of Southwestern Utah, Allyson B. Searle
Reproductive Success And Soil Seed Bank Characteristics Of Astragalus Ampullarioides And A. Holmgreniorum (Fabaceae): Two Rare Endemics Of Southwestern Utah, Allyson B. Searle
Theses and Dissertations
Astragalus ampullarioides and A. holmgreniorum are two rare endemics of southwestern Utah. Over two consecutive field seasons (2009-2010) we examined pre-emergent reproductive success, based on F/F and S/O ratios, from populations of both Astragalus ampullarioides and A. holmgreniorum, estimated the density of the soil seed bank of A. holmgreniorum as a measure of potential post-emergent reproductive success, and estimated seed persistence within the soil seed bank. Fruit/flower (F/F) ratios and seed/ovule (S/O) ratios varied significantly between populations and among years in both species, and showed low reproductive output in both taxa. In Astragalus ampullarioides F/F and S/O were 0.06±0.01 …
Evaluating Nutrient Availability In Low Fertility Soils With Resin Capsules And Conventional Soil Tests, Mary Pletsch Jones
Evaluating Nutrient Availability In Low Fertility Soils With Resin Capsules And Conventional Soil Tests, Mary Pletsch Jones
Theses and Dissertations
Commonly used soil analysis and resin capsule procedures are used to assess nutrient status in fertile soils, but their validity in semi-arid ecosystems is unknown. Three studies were performed to assess resin capsule effectiveness in semi-arid ecosystems. An incubation study was completed in which loamy sand and sandy clay loam soils were treated with rates of N, P, Fe and Zn. Each soil treatment was implanted with a resin capsule and incubated for 60 or 120 days. Resin capsules reflected NH4-N and P fertilizer at low rates in the loamy sand. NO3-N reflected rates in both soils, but did not …
The Molecular Mechanism Of Migraine, Kristin Dawn Watson
The Molecular Mechanism Of Migraine, Kristin Dawn Watson
Theses and Dissertations
Migraine is a common, episodic neurological disorder that includes headache, nausea and hypersensitivity to sensory stimuli. During the headache phase of migraine, migraine patients can be especially hypersensitive to thermal stimuli. The unpredictable and episodic nature of migraine makes it difficult to treat and much of the mechanism of migraine has yet to be elucidated. A T44A substitution in casein kinase 1δ is inherited with migraine with aura. A transgenic mouse model suggests that animals with this mutation exhibit increased sensitivity to thermal stimuli after injection with nitroglycerin (NTG). We performed behavior assays that measure animal responses to thermal stimuli, …
Structures Of Poliovirus And Antibody Complexes Reveal Movements Of The Capsid Protein Vp1 During Cell Entry, Jun Lin
Theses and Dissertations
In the infection process, native poliovirus (160S) first converts to a cell-entry intermediate (135S) particle, which causes the externalization of capsid proteins VP4 and the N-terminus of VP1 (residues 1-53). The externalization of these entities is followed by release of the RNA genome, leaving an empty (80S) particle. Three antibodies were utilized to track the location of VP1 residues in different states of poliovirus by cryogenic electron microscopy (cryo-EM). "P1" antibody binds to N-terminal residues 24-40 of VP1. Three-dimensional reconstruction of 135S-P1 showed that P1 binds to a prominent capsid peak known as the "propeller tip". In contrast, our initial …
Genome Snapshot And Molecular Marker Development In Penstemon (Plantaginaceae), Rhyan B. Dockter
Genome Snapshot And Molecular Marker Development In Penstemon (Plantaginaceae), Rhyan B. Dockter
Theses and Dissertations
Penstemon Mitchell (Plantaginaceae) is one of the largest, most diverse plant genera in North America. Their unique diversity, paired with their drought-tolerance and overall hardiness, give Penstemon a vast amount of potential in the landscaping industry—especially in the more arid western United States where they naturally thrive. In order to develop Penstemon lines for more widespread commercial and private landscaping use, we must improve our understanding of the vast genetic diversity of the genus on a molecular level. In this study we utilize genome reduction and barcoding to optimize 454-pyrosequencing in four target species of Penstemon (P. cyananthus, …
Novel Ion Trap Made Using Lithographically Patterned Plates, Ying Peng
Novel Ion Trap Made Using Lithographically Patterned Plates, Ying Peng
Theses and Dissertations
A new approach of making ion trap mass analyzers was developed in which trapping fields are created in the space between two ceramic plates. Based on microfabrication technology, a series of independently-adjustable electrode rings is lithographically patterned on the facing surfaces of each ceramic plate. The trapping field can be modified or fine-tuned simply by changing the RF amplitude applied to each electrode ring. By adjusting the potential function applied to the plates, arbitrary trapping fields can be created using the same set of ceramic plates. Unlike conventional ion traps, the electrodes of planar ion traps have a non-equipotential surface, …
Assessment Of Genetic Diversity Among Peruvian Amaranth (Amaranthus Caudatus L.) Germplasm Using Snp Markers, Felix Ruben Jimenez Rondan
Assessment Of Genetic Diversity Among Peruvian Amaranth (Amaranthus Caudatus L.) Germplasm Using Snp Markers, Felix Ruben Jimenez Rondan
Theses and Dissertations
Amaranth (Amaranthus caudatus L.) is an important pseudocereal in the Andes. The seed has excellent nutritional value (high in protein, essential amino acids, and minerals) and ample capacity for growth in diverse, harsh Andean subsistence-production conditions such as water deficiency, salt stress, and soil mineral nutrient deficiency. The objective of this study was to characterize and quantify the genetic diversity among a series of 178 mostly Peruvian amaranth genotypes using 96 biallelic single-nucleotide polymorphism (SNP) markers. A total of 96 co-dominant, biallelic markers were developed using KASPar™ assays on a 96.96 Fluidigm EP1 array system. The 178 amaranth genotypes …
Transcriptome Characterization And Polymorphism Detection In Subspecies Of Big Sagebrush (Artemisia Tridentata), Prabin Bajgain
Transcriptome Characterization And Polymorphism Detection In Subspecies Of Big Sagebrush (Artemisia Tridentata), Prabin Bajgain
Theses and Dissertations
Big sagebrush (Artemisia tridentata) is one of the ecologically most important shrub species in western North America. The species serves as a major source of food and habitat for the near-threatened sage grouse and various other fauna. Habitat loss due to a combination of disturbances followed by establishment of invasive plant species is considered as a serious threat to sustainability of the big sagebrush ecosystem. Because of its importance, restoration of this species is very crucial to those dependent on big sagebrush community. However, restoration of big sagebrush carried out by using diverse seed source can lead to …
The Effects Of The Rebound Diathermy Unit, Megapulse Ii Shortwave Diathermy Unit And Moist Hot Packs On Tissue Temperature Increase Of The Triceps Surae Muscle Group, Amanda Rose Hawkes
The Effects Of The Rebound Diathermy Unit, Megapulse Ii Shortwave Diathermy Unit And Moist Hot Packs On Tissue Temperature Increase Of The Triceps Surae Muscle Group, Amanda Rose Hawkes
Theses and Dissertations
Context: Clinicians use a number of superficial and deep heating modalities, including pulsed shortwave diathermy (PSWD) and moist hot packs, in the clinical setting. Recently, a continuous diathermy unit called ReBound was introduced into the clinical setting. Its effectiveness as a heating modality is unknown. Objective: To compare the effects of PSWD, moist hot packs and the ReBound unit on tissue temperature in the triceps surae muscle. Design: A 3 x 27 factorial cross-over design with repeated measures. Setting: University research laboratory. Subjects: Twelve healthy college-aged volunteers (4 men, 8 women; age = 22.2 ± 2.25; calf subcutaneous fat thickness …
Investigating A Model Reversed-Phase Liquid Chromatography Stationary Phase With Vibrationally Resonant Sum Frequency Generation Spectroscopy, Arthur D. Quast
Investigating A Model Reversed-Phase Liquid Chromatography Stationary Phase With Vibrationally Resonant Sum Frequency Generation Spectroscopy, Arthur D. Quast
Theses and Dissertations
Reversed-phase liquid chromatography (RPLC) is a widely used technique for analytical separations but routinely requires empirical optimization. Gaining a better understanding of the molecular reasons for retention may mean more efficient separations with fewer trial and error runs to obtain optimized separations. Vibrationally resonant sum frequency generation (VR-SFG) is a surface specific technique that has allowed for in situ examination of model RPLC stationary phases under various solvent and pressure conditions. In order to improve on past work with model RPLC stationary phases two challenges had to be overcome. First, improved vibrational mode assignments of the C18 stationary phase were …
Antioxidants In Cancer Research And Prevention: Assay Comparison, Structure-Function Analysis, And Food Product Analysis, Andrew Robert Garrett
Antioxidants In Cancer Research And Prevention: Assay Comparison, Structure-Function Analysis, And Food Product Analysis, Andrew Robert Garrett
Theses and Dissertations
Recent epidemiological studies have suggested that the development and progression of several chronic diseases may be initiated or augmented by oxidative stress. Reactive oxygen species and reactive nitrogen species react readily with and can damage nucleic acids, proteins, and lipids. While biological systems are equipped antioxidant defenses to cope with oxidative stress, oxidative damage may still occur when oxidative stress overwhelms antioxidant defenses. This damage, if left unchecked, may lead to a variety of degenerative diseases, including heart disease, Alzheimer's Disease, Parkinson's Disease and cancer. Several assays have been designed to describe the antioxidant activity of various phytochemicals, vitamins, and …
Progress Toward Theonellamide F, Jennifer Dawn Bettale
Progress Toward Theonellamide F, Jennifer Dawn Bettale
Theses and Dissertations
Theonellamide is a bicyclic peptide isolated from a marine sponge, which shows interesting biological activity. It contains several unnatural amino acids, among which are (2S,3R)-3-hydroxyasparagine (L-erythro-β-hydroxyasparagine) (β-OHAsn) and τ-L-histindino-D-alanine (τ-HAL). Although there were previous synthetic efforts toward each of these unnatural amino acids, the efforts were not ideal due to expensive starting material, time-consuming steps, and poor regioselectivity. The presented work demonstrates an inexpensive, enantioselective synthesis of β-OHAsn, which can be completed in a matter of weeks, as well as several attempts at a novel regiospecific approach toward τ-HAL, including work on a model study.
Intramuscular Temperature Responses Of The Vastus Lateralis And Semitendinosus During Squatting And Stretching With Whole Body Vibration, Joshua Gant Allen
Intramuscular Temperature Responses Of The Vastus Lateralis And Semitendinosus During Squatting And Stretching With Whole Body Vibration, Joshua Gant Allen
Theses and Dissertations
This study was a randomized control trial. The purpose of this study was threefold: 1) to determine if intramuscular temperature (IMt) increases in the semitendinosus (ST) are similar to the vastus lateralis (VL) during standard WBV static squatting; 2) to determine if changes in intramuscular temperature of the hamstrings is different from a standard static semi-squat when undergoing WBV in a static stretching position; and 3) to determine if shorter overall durations as is typically used for stretching protocols (i.e. 5 repetitions of 30s each), will result in IMt increases. Twelve subjects (all males), with tight hamstrings completed this study …
Possible Molecular Mechanism To Account For Wavelength Dependence Of Equilibration Rates Of Patman And Laurdan In Phosphatidylcholine Bilayers, Hannabeth A. Franchino
Possible Molecular Mechanism To Account For Wavelength Dependence Of Equilibration Rates Of Patman And Laurdan In Phosphatidylcholine Bilayers, Hannabeth A. Franchino
Theses and Dissertations
Patman is a fluorescent membrane probe related to Laurdan. The structural distinctions between the two probes are the lengths of the aliphatic tails (eleven carbons in Laurdan and fifteen in Patman) and the presence of a trimethylammonium group on Patman that produces a positively-charged head. Preliminary studies exploring Patman as a probe to detect membrane properties during apoptosis revealed that the fluorescence intensity of two edges of the emission spectrum (435 and 500 nm) stabilizes at different rates as the probe binds to the cell membrane. To test whether these differences represent dissimilarities in probe binding to ordered and disordered …
Differentiation Of Bacillus Endospores From Gas Chromatography-Mass Spectrometry Of Biomarkers Produced By Thermochemolysis Methylation, Tai Van Truong
Differentiation Of Bacillus Endospores From Gas Chromatography-Mass Spectrometry Of Biomarkers Produced By Thermochemolysis Methylation, Tai Van Truong
Theses and Dissertations
Methods for fast, simple detection of biomarkers to detect and differentiate closely related Bacillus endospores including Bacillus anthracis (BA), Bacillus thuringiensis (BT), Bacillus atrophaeus (BG), and Bacillus cereus (BC) using thermochemolysis and methylation (TCM), coiled wire filament (CWF), solid phase micro extraction (SPME) and gas chromatography-mass spectrometry (GC-MS) were developed. The main biomarkers detected and used for differentiation include dipicolinic acid methyl ester (DPAME), fatty acid methyl esters (FAMEs), 3-methyl-2-butenoic acid methyl ester (3M2BAME), 2-butenoic acid methyl ester (2BAME), and several methylated sugars. TCM of endospores was performed based on hydrolysis and methylation at elevated temperature after the endospores were …
Geochemical Analysis Of Ancient Fremont Activity Areas At Wolf Village, Utah, Laura Morrison Pyper
Geochemical Analysis Of Ancient Fremont Activity Areas At Wolf Village, Utah, Laura Morrison Pyper
Theses and Dissertations
There is growing interest in the use of geochemical analyses for the evaluation of anthropogenically altered soils and other archaeological deposits. Areas of human habitation and activity tend to accumulate greater levels of soil phosphorus and trace metals. These elevated concentrations leave permanent signatures that can only be removed by erosion of the soil itself, and so phosphorus and trace metal mapping have become popular field procedures to identify areas of habitation and activity. Gridded soil samples were collected and soil phosphate and trace metal ions were extracted to identify these activity areas at the ancient Fremont site Wolf Village …
Environmental Implications Of Polymer Coated Urea, Joshua James Lemonte
Environmental Implications Of Polymer Coated Urea, Joshua James Lemonte
Theses and Dissertations
Nitrogen is an essential plant nutrient in the biosphere. Although N is necessary and beneficial for life, it is also a common pollutant in the atmosphere and hydrosphere as it may be lost to the atmosphere as ammonia (NH3) or nitrous oxide (N2O) gases or to groundwater as nitrate (NO3-) following fertilization. Polymer coated urea (PCU) is one type of N fertilizer which uses temperature-controlled diffusion to control N release to better match plant demand and mitigate environmental losses of N. The objectives of this project were to simultaneously compare the effects of PCU on gaseous (as N2O and NH3) …
Morphological Convergence During Pregnancy Among Predator And Nonpredator Populations Of The Livebearing Fish Brachyrhaphis Rhabdophora (Teleostei: Poeciliidae), Jeff S. Wesner, Eric J. Billman, Adam Meier, Mark C. Belk
Morphological Convergence During Pregnancy Among Predator And Nonpredator Populations Of The Livebearing Fish Brachyrhaphis Rhabdophora (Teleostei: Poeciliidae), Jeff S. Wesner, Eric J. Billman, Adam Meier, Mark C. Belk
Faculty Publications
Predation can drive morphological divergence in prey populations, although examples of divergent selection are typically limited to nonreproductive individuals. In livebearing females, shape often changes drastically during pregnancy, reducing speed and mobility and enhancing susceptibility to predation. In the present study, we document morphological divergence among populations of nonreproductive female livebearing fish (Brachyrhaphis rhabdophora) in predator and nonpredator environments. We then test the hypothesis that shape differences among nonreproductive females are maintained among reproductive females between predator and nonpredator environments. Nonreproductive females in predator environments had larger caudal regions and more fusiform bodies than females in nonpredator environments; …
Association Between Academic Performance And Electrocortical Processing Of Cognitive Stimuli In College Students, Mary Menn Wolf
Association Between Academic Performance And Electrocortical Processing Of Cognitive Stimuli In College Students, Mary Menn Wolf
Theses and Dissertations
Because event-related potentials (ERPs) can reflect individual differences in intellectual ability, individual differences in college grade-point average (GPA) may be associated with specific individual ERP waves, such as the P300. However, P300 amplitude is higher in women than in men and varies across the menstrual cycle, factors that could confound the association between GPA and ERPs. In this regard, our objective was to determine whether differences in GPA are reflected in ERPs while standardling for sex and menstrual phase. After participants provided informed consent, we obtained GPAs from 22 right-handed college students (11 male, age range 22 to 26 and …
De Novo Genome Assembly And Snp Marker Development Of Pyrenophora Semeniperda, Marcus Makina Soliai
De Novo Genome Assembly And Snp Marker Development Of Pyrenophora Semeniperda, Marcus Makina Soliai
Theses and Dissertations
Pyrenophora semeniperda (anamorph Drechslera campulata) is a necrotrophic fungal seed pathogen of a variety of grass genra and species, including Bromus tectorum, an exotic grass that has invaded many natural ecosystems of the U.S. Intermountain West. As a natural seed pathogen of B. tectorum, P. semeniperda has potential as a biocontrol agent due to its effectiveness at killing dormant B. tectorum seeds; however, few genetic resources exist for this fungus. Here, the genome assembly of a P. semeniperda isolate using 454 GS-FLX genomic and paired-end pyrosequencing techniques is presented. The total assembly is 32.5 Mb and contains …
Usage And Development Of Molecular Markers For Investigation Of The Population And Ecological Genetics Of Bromus Tectorum L., Keith R. Merrill
Usage And Development Of Molecular Markers For Investigation Of The Population And Ecological Genetics Of Bromus Tectorum L., Keith R. Merrill
Theses and Dissertations
This thesis includes two studies: The first examined patterns of neutral genetic diversity within Bromus tectorum L. across the IMW region, and uses patterns of microsatellite (SSR) genotype distribution to make inferences about the respective roles of adaptively significant genetic variation, adaptive phenotypic plasticity, and facultative outcrossing in the ongoing invasion and recent range expansion of B. tectorum. It has been previously demonstrated that, due to extremely low outcrossing rates, it is possible to characterize individual genotypes of this species using four SSR loci. We sampled 20 individuals from each of 96 B. tectorum populations (classified by region and …
Apparent Competition With Bromus Tectorum Through Pyrenophora Semeniperda Reduces Establishment Of Native Grasses, Katherine Temus Merrill
Apparent Competition With Bromus Tectorum Through Pyrenophora Semeniperda Reduces Establishment Of Native Grasses, Katherine Temus Merrill
Theses and Dissertations
Contributing to the success of Bromus tectorum in the Intermountain West may be a mechanism called apparent competition, which occurs when one species increases the pressure of a consumer on a second species. This indirect interaction has been documented only a few times in invasive plant systems, and never in a fungal pathosystem. We examined the effects of the invasive annual Bromus tectorum and predation by the seed pathogen Pyrenophora semeniperda on seedling emergence and survival for two native grasses (Pseudoroegneria spicata and Elymus elymoides), by manipulating B. tectorum densities and P. semeniperda inoculum loads in randomized plots. …
The Relationship Between Source Of Self-Esteem And Body Composition In College Women, Breckann Faun Moncur
The Relationship Between Source Of Self-Esteem And Body Composition In College Women, Breckann Faun Moncur
Theses and Dissertations
Purpose: The purpose of the study was to determine the relationship between achievement self-esteem, self acceptance self-esteem and body composition in college women. Methods: One-hundred and fifty eight college women were recruited to participate in the study. Participants were healthy, between the age of 18 and 25 yrs, not taking medication that would alter metabolism, and able to participate in physical activity without restriction. As part of the study the participants filled out the Worth Index, which measured level of self-acceptance and achievement self-esteem. The questionnaire included four subscales: basic human worth, performance factor, personal security and appearance. Body composition …
Human Endogenous Sodium Pump Inhibitors Measurement, Source, Synthesis And Regulation, Jie Ma
Human Endogenous Sodium Pump Inhibitors Measurement, Source, Synthesis And Regulation, Jie Ma
Theses and Dissertations
The sodium pump (SP or Na+,K+-ATPase) is a membrane embedded protein complex that pumps 3 sodium ions out and 2 potassium ions into the cell per cycle and in so doing creates a cell membrane electrochemical potential. The membrane potential is critical for any functional cell. In the vasculature, reduction in the voltage potential causes vascular smooth muscle contraction and a narrowing of blood vessels (vasoconstriction) which can lead to increased blood pressure (hypertension). Substantial research over the past several decades has provided a vast amount of research on SP inhibitors, sometimes called endogenous digitalis-like factors (EDLF). Increased levels of …