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Articles 2941 - 2970 of 5055
Full-Text Articles in Chemicals and Drugs
Breaking The Paradigm: Dr Insight Empowers Signature-Free, Enhanced Drug Repurposing, Jinyan Chan, Xuan Wang, Jacob A. Turner, Nicole E. Baldwin, Jinghua Gu
Breaking The Paradigm: Dr Insight Empowers Signature-Free, Enhanced Drug Repurposing, Jinyan Chan, Xuan Wang, Jacob A. Turner, Nicole E. Baldwin, Jinghua Gu
Faculty Publications
Motivation: Transcriptome-based computational drug repurposing has attracted considerable interest by bringing about faster and more cost-effective drug discovery. Nevertheless, key limitations of the current drug connectivity-mapping paradigm have been long overlooked, including the lack of effective means to determine optimal query gene signatures. Results: The novel approach Dr Insight implements a frame-breaking statistical model for the ‘hand-shake’ between disease and drug data. The genome-wide screening of concordantly expressed genes (CEGs) eliminates the need for subjective selection of query signatures, added to eliciting better proxy for potential disease-specific drug targets. Extensive comparisons on simulated and real cancer datasets have validated the …
Leucine Supplementation In Cuprizone-Induced Oligodendrocyte Toxicity, Michael Ley
Leucine Supplementation In Cuprizone-Induced Oligodendrocyte Toxicity, Michael Ley
Williams Honors College, Honors Research Projects
Cuprizone is a copper chelator that induces demyelination in the central nervous system when fed to mice. This compound is thought to target Complex IV and disrupt mitochondrial metabolism leading to loss of myelin-producing oligodendrocytes. In this proposal, we further examine the chemical and toxicological properties of cuprizone. Immunofluorescence imaging and microarray data on MO3.13 cells treated with cuprizone revealed the possibility of alterations in lysosomal function, as well as mitochondrial disruption via mTOR and Electron Transport Chain (ETC) related pathways. Cell viability assays conducted suggest that addition of Branched-Chain Amino Acids, most commonly used from literature, leucine, can increase …
Multidimensional Mass Spectrometry Of Chemonic™ Ccg-6 Nonionic Surfactant With Separation By Polarity And Shape, Charles Johnson
Multidimensional Mass Spectrometry Of Chemonic™ Ccg-6 Nonionic Surfactant With Separation By Polarity And Shape, Charles Johnson
Williams Honors College, Honors Research Projects
Chemonic™ CCG-6 surfactant is a water-soluble poly(ethylene glycol) (PEG) conjugated alkyl glyceride emollient. This surfactant exists as a complex mixture of a glycerol cores conjugated with poly(ethylene glycol) branches (PEGylation) that were partially esterified with caprylic (C8) and capric (C10) acids. These may be esterified on one, two, or all three arms of the glyceride. The architecture of the structures in this mixture was studied using multidimensional mass spectrometry (MS). Mass spectrometry was interfaced with ultra-performance liquid chromatography (UPLC) and ion mobility (IM) separation. The mixture was separated by reversed-phase LC, oligomers of the star-branched polymer were separated according to …
Developmental Expression Of Monocarboxylate Transporter 1 And 4 In Rat Liver, Michael Ng, Justin Louie, Jieyun Cao, Melanie A. Felmlee
Developmental Expression Of Monocarboxylate Transporter 1 And 4 In Rat Liver, Michael Ng, Justin Louie, Jieyun Cao, Melanie A. Felmlee
School of Pharmacy Faculty Articles
PURPOSE: Monocarboxylate transporters (MCT) are proton-coupled integral membrane proteins that control the influx and efflux of endogenous monocarboxylates such as lactate, acetate and pyruvate. They also transport and mediate the clearance of drugs such as valproate and gamma-hydroxybutyrate. CD147 functions as ancillary protein that chaperones MCT1 and MCT4 to the cell membrane. There is limited data on the maturation of MCT and CD147 expression in tissues related to drug distribution and clearance. The objective of the present study was to quantify hepatic MCT1, MCT4, and CD147 mRNA, whole cell and membrane protein expression from birth to sexual maturity.
METHODS: Liver …
Hiv Viral Rebound Due To A Possible Drug-Drug Interaction Between Elvitegravir/Cobicistat/Emtricitabine/Tenofovir Alafenamide And Calcium-Containing Products: Report Of 2 Cases, S. Lena Kang-Birken, Dena El-Sayed, John Prichard
Hiv Viral Rebound Due To A Possible Drug-Drug Interaction Between Elvitegravir/Cobicistat/Emtricitabine/Tenofovir Alafenamide And Calcium-Containing Products: Report Of 2 Cases, S. Lena Kang-Birken, Dena El-Sayed, John Prichard
School of Pharmacy Faculty Articles
Elvitegravir/cobicistat/emtricitabine/tenofovir alafenamide (E/C/F/TAF) is a potent fixed-dose, once-daily regimen for HIV-1 treatment and has rare emergence of drug resistance. We report a potential drug-drug interaction in 2 female patients both receiving treatment for HIV and cerebral toxoplasmosis: one case between E/C/F/TAF with calcium carbonate and a second case involving leucovorin as calcium salt. Both cases resulted in rise in HIV RNA levels and emergence of M184 V mutation and resistance to elvitegravir and raltegravir. To the best of our knowledge, these 2 cases are the first reports of rapid emergence of mutation from coadministration of E/C/F/TAF and calcium.
Responsible, Safe, And Effective Use Of Biologics In The Management Of Low Back Pain: American Society Of Interventional Pain Physicians (Asipp) Guidelines, Annu Navani, Laxmaiah Manchikanti, Sheri L. Albers, Richard E. Latchaw, Jaya Sanapati, Alan David Kaye, Sairam Atluri, Sheldon Jordan, Ashim Gupta, David Cedeno, Alejandro Vallejo, Bert Fellows, Nebojsa Nick Knezevic, Miguel Pappolla, Sudhir Diwan, Andrea M. Trescot, Amol Soin, Adam M. Kaye, Steve M. Aydin, Aaron K. Calodney, Kenneth D. Candido, Sanjay Bakshi, Ramsin M. Benyamin, Ricardo Vallejo, Art Watanabe, Douglas Beall, Todd P. Stitik, Patrick M. Foye, Erik M. Helander, Joshua A. Hirsch
Responsible, Safe, And Effective Use Of Biologics In The Management Of Low Back Pain: American Society Of Interventional Pain Physicians (Asipp) Guidelines, Annu Navani, Laxmaiah Manchikanti, Sheri L. Albers, Richard E. Latchaw, Jaya Sanapati, Alan David Kaye, Sairam Atluri, Sheldon Jordan, Ashim Gupta, David Cedeno, Alejandro Vallejo, Bert Fellows, Nebojsa Nick Knezevic, Miguel Pappolla, Sudhir Diwan, Andrea M. Trescot, Amol Soin, Adam M. Kaye, Steve M. Aydin, Aaron K. Calodney, Kenneth D. Candido, Sanjay Bakshi, Ramsin M. Benyamin, Ricardo Vallejo, Art Watanabe, Douglas Beall, Todd P. Stitik, Patrick M. Foye, Erik M. Helander, Joshua A. Hirsch
School of Pharmacy Faculty Articles
BACKGROUND: Regenerative medicine is a medical subspecialty that seeks to recruit and enhance the body's own inherent healing armamentarium in the treatment of patient pathology. This therapy's intention is to assist in the repair, and to potentially replace or restore damaged tissue through the use of autologous or allogenic biologics. This field is rising like a Phoenix from the ashes of underperforming conventional therapy midst the hopes and high expectations of patients and medical personnel alike. But, because this is a relatively new area of medicine that has yet to substantiate its outcomes, care must be taken in its public …
Mechanisms Underlying Neuroprotection By The Nsaid Mefenamic Acid In An Experimental Model Of Stroke, Parto S. Khansari, Robert F. Halliwell
Mechanisms Underlying Neuroprotection By The Nsaid Mefenamic Acid In An Experimental Model Of Stroke, Parto S. Khansari, Robert F. Halliwell
School of Pharmacy Faculty Articles
Stroke is a devastating neurological event with limited treatment opportunities. Recent advances in understanding the underlying pathogenesis of cerebral ischemia support the involvement of multiple biochemical pathways in the development of the ischemic damage. Fenamates are classical non-steroidal anti-inflammatory drugs but they are also highly subunit-selective modulators of GABAA receptors, activators of IKS potassium channels and antagonists of non-selective cation channels and the NLRP3 inflammosome. In the present study we investigated the effect of mefenamic acid (MFA) in a rodent model of ischemic stroke and then addressed the underlying pharmacological mechanisms in vitro for its actions in vivo. The efficacy …
Metaproteomic Investigation Of The Vaginal Microbiome In Pregnancy, Zaneera Hassan
Metaproteomic Investigation Of The Vaginal Microbiome In Pregnancy, Zaneera Hassan
Theses and Dissertations
The development of early diagnostics and prevention strategies for preterm birth is an important global health challenge with the potential to impact over 15 million children annually, by improving health outcomes and reducing economic burden. Advances in microbial sequencing technology have opened the door to 16S rRNA gene survey, whole metagenomics, and whole transcriptomics, providing molecular evidence that the composition of the vaginal microbiome affects pregnancy outcomes in women, particularly those of African descent. A current gap in our molecular level understanding of the vaginal microbiome as it relates to healthy pregnancies is the metaproteome which comprises proteins from both …
Characterization Of The Microbial Phosphonate-Activating Pntc Enzymes, Kyle Rice
Characterization Of The Microbial Phosphonate-Activating Pntc Enzymes, Kyle Rice
Theses and Dissertations (Comprehensive)
New strategies are urgently needed to combat infectious diseases in an era of rising antibiotic resistance. Furthermore, an emerging appreciation for the human microbiome’s role in maintaining health motivates discovery of species-specific antibiotics that minimally disrupt our native bacterial communities. Small molecule modifications to bacterial cell surfaces represent a potentially rich source of new targets for next generation antibiotics, as these molecules mediate virulence and evasion of the host immune response. Phosphocholine (PCho) is a rare cell surface modification that contributes to virulence, and modifications with phosphonates like 2-aminoethylphosphonate (AEP) are even more unusual and therefore provide opportunities for species- …
Crystal Structure Of Vapbc-1 From Nontypeable Haemophilus Influenzae And The Effect Of Pin Domain Mutations On Survival During Infection, Ashley L. Molinaro, Maithri M. Kashipathy, Scott Lovell, Kevin P. Battaile, Nathan P. Coussens, Min Shen, Dayle A. Daines
Crystal Structure Of Vapbc-1 From Nontypeable Haemophilus Influenzae And The Effect Of Pin Domain Mutations On Survival During Infection, Ashley L. Molinaro, Maithri M. Kashipathy, Scott Lovell, Kevin P. Battaile, Nathan P. Coussens, Min Shen, Dayle A. Daines
Biological Sciences Faculty Publications
Toxin-antitoxin (TA) gene pairs have been identified in nearly all bacterial genomes sequenced to date and are thought to facilitate persistence and antibiotic tolerance. TA loci are classified into various types based upon the characteristics of their antitoxins, with those in type II expressing proteic antitoxins. Many toxins from type II modules are ribonucleases that maintain a PilT N-terminal (PIN) domain containing conserved amino acids considered essential for activity. The vapBC (virulence-associated protein) TA system is the largest subfamily in this class and has been linked to pathogenesis of nontypeable Haemophilus influenzae (NTHi). In this …
Glycosaminoglycan Mimetics For The Treatment Of Cancer And Lung Inflammation, Shravan Morla
Glycosaminoglycan Mimetics For The Treatment Of Cancer And Lung Inflammation, Shravan Morla
Theses and Dissertations
Glycosaminoglycans (GAGs) are linear polysaccharides whose disaccharide building blocks consist of an amino sugar and either uronic acid or galactose. They are expressed on virtually all mammalian cells, usually covalently attached to proteins, forming proteoglycans. GAGs are highly negatively charged due to an abundance of sulfate and carboxylic acid groups, and are structurally very diverse, with differences arising from chain length, the type of monomeric units, the linkages between each monomeric unit, the position of sulfate groups, and the degree of sulfation. GAGs are known to interact with a multitude of proteins, impacting diverse physiological and pathological processes. In addition, …
Inhibition Of Cancer Stem Cells By Glycosaminoglycan Mimetics, Connor P. O'Hara
Inhibition Of Cancer Stem Cells By Glycosaminoglycan Mimetics, Connor P. O'Hara
Theses and Dissertations
Connor O’Hara July 29, 2019
Inhibition of Cancer Stem Cells by Glycosaminoglycan Mimetics
In the United States cancer is the second leading cause of death, with colorectal cancer (CRC) being the third deadliest cancer and expected to cause over 51,000 fatalities in 2019 alone.1 The current standard of care for CRC depends largely on the staging, location, and presence of metastasis.2 As the tumor grows and invades nearby lymph tissue and blood vessels, CRC has the opportunity to invade not only nearby tissue but also metastasize into the liver and lung (most commonly).3 The 5-year survival rate …
Regenerative Potential Of Mesenchymal Stem Cell Derived Exosomes, Andrew P. Wong
Regenerative Potential Of Mesenchymal Stem Cell Derived Exosomes, Andrew P. Wong
Theses and Dissertations
Bone defects are a pervasive complication arising from many clinical conditions, both mechanical and pathological. Current treatments for large bony defects focus on applying bone grafts or synthetic materials to the defect area. Cell-based—and especially stem-cell—therapies have advanced greatly thanks to increasing attention focused on their ability to generate new tissues in situ with biomechanical properties approaching that of native tissue, but they suffer from their own shortcomings as well. Exosomes have been shown to play critical roles in cell-signaling and tissue regeneration and are therefore potentially ideal therapeutic vehicles for treating bone defects. Exosomes are small microvesicles counted amongst …
Pharmacodynamics Of Monoamine Transporter Releasing Agents And Reuptake Inhibitors, Alexa Holloway
Pharmacodynamics Of Monoamine Transporter Releasing Agents And Reuptake Inhibitors, Alexa Holloway
Theses and Dissertations
Ligands of the human monoamine transporters encompass a wide range of both illicit and therapeutic drugs that act upon neural circuitry related to reward, motivation, and the processing of salient stimuli. The present study utilizes two methods for analyzing transporter substrates and inhibitors in order to characterize activity and assess potency. The first measures transient changes in intracellular calcium as a surrogate for transporter activity by harnessing the electrical coupling of monoamine transporters and L-type calcium channels. This is used to analyze novel chimera of the strong hDAT inhibitors methylphenidate and ��-PPP in order to assess the contribution of specific …
Diuretic And Natriuretic Activity Of Faah Inhibition In The Renal Medulla: A Proposed Role Of Palmitoylethanolamide And Its Regulation By Renal Medullary Interstitial Cells, Sara Dempsey
Theses and Dissertations
Hypertension is a critical public health issue worldwide, and in the United States, it is the leading cause of heart disease, stroke, and kidney failure, contributing to more than 1,100 deaths per day. It is proposed that the renal medulla combats increased blood pressure by releasing a neutral lipid from the lipid droplets of medullary interstitial cells, termed medullipin, which induces diuresis- natriuresis and vasodepression. The renal medulla is enriched with fatty acid lipid ethanolamides including the endocannabinoid anandamide (AEA), palmitoylethanolamide (PEA), and oleoylethanolamide (OEA), along with their primary hydrolyzing enzyme fatty acid amide hydrolase (FAAH). Our lab is investigating …
Design, Synthesis And Pharmacological Characterization Of Potential Mu Opioid Receptor Selective Ligands, Abhishek S. Kulkarni
Design, Synthesis And Pharmacological Characterization Of Potential Mu Opioid Receptor Selective Ligands, Abhishek S. Kulkarni
Theses and Dissertations
Selective Mu Opioid Receptor (MOR) antagonists possess immense potential in the treatment of opioid abuse/addiction. Utilizing the “message-address” concept, our laboratory reported a novel, reversible, non-peptide MOR selective antagonist 17-cyclopropylmethyl-3,14β-dihydroxy-4,5α-epoxy-6β-[(4՛-pyridyl)carboxamido]morphinan (NAP). Molecular modeling studies revealed that the selectivity of NAP for the MOR is because of a π-π stacking interaction of its pyridine ring with the Trp318residue in theMOR. Pharmacological characterization showed that NAP is a P-glycoprotein substrate, thereby limiting its use in the treatment of opioid abuse/addiction. Thus, to modify NAP, we replaced the pyridine ring with its isosteric counterpart thiophene. Isosteric replacement …
Discovery Of Selective Probes Targeting Rna Polymerase I, Xiao Tan
Discovery Of Selective Probes Targeting Rna Polymerase I, Xiao Tan
Theses and Dissertations--Chemistry
RNR Polymerase I (RNA Pol I) is a “factory” that orchestrate the transcription of ribosomal rRNA for constructing ribosomes as a primary workshop for protein translation to sustain cell growth. Misregulation of RNA Pol I can cause uncontrolled cell proliferation, which leads to the development of cancer. Yeast (Saccharomyces cerevisiae) is a valuable model system to study RNA Pol I. Recently, the X-ray crystal structure of the yeast homologue of RNA Pol I was elucidated, offering the structural basis to selectively target this transcriptional machinery. The approach to selective RNA Pol I targeting was to disrupt the interaction …
Vibrational Characterization Of Granulosa Cells From Patients Affected By Unilaterial Ovarian Endometriosis: New Insights From Infrared And Raman Microspectroscopy, Valentina Notarstefano, Giorgia Gioacchini, Hugh Byrne, Carlotta Zaca, Eleni Sereni, Lisa Vaccari, Andrea Borini, Oliana Carnevali
Vibrational Characterization Of Granulosa Cells From Patients Affected By Unilaterial Ovarian Endometriosis: New Insights From Infrared And Raman Microspectroscopy, Valentina Notarstefano, Giorgia Gioacchini, Hugh Byrne, Carlotta Zaca, Eleni Sereni, Lisa Vaccari, Andrea Borini, Oliana Carnevali
Articles
Endometriosis is a chronic gynaecological disease characterised by the presence of endometrial cells in extra-uterine regions. One of the main factors impacting on the fertility of women affected by endometriosis is the poor oocyte quality. Granulosa Cells (GCs) regulate oocyte development and maintain the appropriate microenvironment for the acquisition of its competence; hence, the dysregulation of these functions in GCs can lead to severe cellular damages also in oocytes. In this study, luteinized GCs samples were separately collected from both ovaries of women affected by Unilateral Ovarian Endometriosis and analysed by infrared and Raman microspectroscopy. The spectral data were compared …
Structure-Activity Relationship Studies Of Synthetic Cathinones And Related Agents, Rachel A. Davies
Structure-Activity Relationship Studies Of Synthetic Cathinones And Related Agents, Rachel A. Davies
Theses and Dissertations
Synthetic cathinones and related agents represent an international drug abuse problem, and at the same time an important class of clinically useful compounds. Structure-activity relationship studies are needed to elucidate molecular features underlying the pharmacology of these agents. Illicit methcathinone (i.e., MCAT), the prototype of the synthetic cathinone class, exists as a racemic mixture. Though the differences in potency and target selectivity between the positional and optical isomers of synthetic cathinones and related agents have been demonstrated to have important implications for abuse and therapeutic potential, the two MCAT isomers have never been directly compared at their molecular targets: the …
Eralpha Isoforms Modulate The Tumorigenicity Of 24r,25(Oh)2d3 In Estrogen-Responsive Cancer, Anjali Verma
Eralpha Isoforms Modulate The Tumorigenicity Of 24r,25(Oh)2d3 In Estrogen-Responsive Cancer, Anjali Verma
Theses and Dissertations
Over 200,000 cases of breast cancer are diagnosed every year. Nearly 20% of these patients supplement their diets with some form of vitamin D. This high frequency of vitamin D supplement use may be due in part to research suggesting that cancer patients with higher serum vitamin D3 levels have better prognoses than patients with low serum vitamin D3. However, double-blind clinical trials on the efficacy of vitamin D3 supplementation in breast cancer have been inconclusive. A recent meta-analysis showed evidence of reduced cancer recurrence in patients taking vitamin D3 supplements who had ‘estrogen receptor positive’ …
In Vitro Metabolism Of The Synthetic Cannabinoids Px-1, Px-2, Px-3 And A Comparison Of Their Clearance Rates In Human Liver Microsomes, Travon Cooman
In Vitro Metabolism Of The Synthetic Cannabinoids Px-1, Px-2, Px-3 And A Comparison Of Their Clearance Rates In Human Liver Microsomes, Travon Cooman
Graduate Theses, Dissertations, and Problem Reports (ETD)
Detection of SCs in body fluids continue to be a challenge because of limited metabolism data, lack of standards and reference mass spectrometry data. In vivo and in vitro experiments help elucidate metabolite markers for novel psychoactive substances and can prompt synthesis of standards to verify proposed metabolites. In this study, metabolism of three SCs N-(1-amino-1-oxo-3-phenylpropan-2-yl)-1-(5-fluoropentyl)-1H-indole-3-carboxamine (PX-1), N-(1-amino-1-oxo-3-phenylpropan-2-yl)-1-(5-fluropentyl)-1H-indazole-3-carboxamide (PX-2), and N-(1-amino-1-oxo-3-phenylpropan-2-yl)-1-(cyclohexylmethyl)-1H-indazole-3-carboxamide (PX-3) were investigated using human liver microsomes. Previous studies showed PX-3 as the most potent CB1 and CB2 receptor agonist.
Half-life and clearance data were acquired using liquid chromatography- tandem mass spectrometry. Metabolite elucidation was performed using liquid chromatography …
Discrimination Of Breast Cancer From Benign Tumours Using Raman Spectroscopy, Fiona Lyng, Damien Traynor, Thi Nguyet Que Nguyen, Aidan Meade, Fazle Rakib, Rafif Al-Saady, Erik Goormaghtigh, Khalid Al-Saad, Mohamed H. Ali
Discrimination Of Breast Cancer From Benign Tumours Using Raman Spectroscopy, Fiona Lyng, Damien Traynor, Thi Nguyet Que Nguyen, Aidan Meade, Fazle Rakib, Rafif Al-Saady, Erik Goormaghtigh, Khalid Al-Saad, Mohamed H. Ali
Articles
Breast cancer is the most common cancer among women worldwide, with an estimated 1.7 million cases and 522,000 deaths in 2012. Breast cancer is diagnosed by histopathological examination of breast biopsy material but this is subjective and relies on morphological changes in the tissue. Raman spectroscopy uses incident radiation to induce vibrations in the molecules of a sample and the scattered radiation can be used to characterise the sample. This technique is rapid and non-destructive and is sensitive to subtle biochemical changes occurring at the molecular level. This allows spectral variations corresponding to disease onset to be detected. The aim …
Identification Of Antibiotic Ge37468a From Pseudonocardia Symbionts Of Trachymyrmex Septentrionalis Ants, Krithika Rao
Identification Of Antibiotic Ge37468a From Pseudonocardia Symbionts Of Trachymyrmex Septentrionalis Ants, Krithika Rao
Scripps Senior Theses
In response to the growing rates of antibiotic resistance in human bacterial pathogens, this study explores the natural products involved in the defensive symbiosis between actinobacteria and fungus-growing ants to uncover new potential antibiotics. This study also seeks to understand the function of natural antibiotics in their ecological contexts, especially those involved in defensive symbioses. Defensive symbiosis can be a beneficial platform for discovering useful antibiotics, because antibiotics in these relationships must be able to selectively inhibit enemies without harming hosts, and are therefore likely more specific and less toxic. Pseudonocardia sp. associated with Trachymyrmex septentrionalis ants demonstrated antibiotic activity …
An Open-Label, Single-Dose Study To Evaluate The Safety, Tolerability, Pharmacokinetics, And Pharmacodynamics Of Cinacalcet In Pediatric Subjects Aged 28 Days To < 6 Years With Chronic Kidney Disease Receiving Dialysis., Winnie Y. Sohn, Anthony A. Portale, Isidro B. Salusky, Hao Zhang, Lucy L. Yan, Bella Ertik, Shahnaz Shahinfar, Edward Lee, Bastian Dehmel, Bradley A. Warady
An Open-Label, Single-Dose Study To Evaluate The Safety, Tolerability, Pharmacokinetics, And Pharmacodynamics Of Cinacalcet In Pediatric Subjects Aged 28 Days To < 6 Years With Chronic Kidney Disease Receiving Dialysis., Winnie Y. Sohn, Anthony A. Portale, Isidro B. Salusky, Hao Zhang, Lucy L. Yan, Bella Ertik, Shahnaz Shahinfar, Edward Lee, Bastian Dehmel, Bradley A. Warady
Manuscripts, Articles, Book Chapters and Other Papers
BACKGROUND: Calcimimetics, shown to control biochemical parameters of secondary hyperparathyroidism (SHPT), have well-established safety and pharmacokinetic profiles in adult end-stage renal disease subjects treated with dialysis; however, such studies are limited in pediatric subjects.
METHODS: In this study, the safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of cinacalcet were evaluated in children with chronic kidney disease (CKD) and SHPT receiving dialysis. Twelve subjects received a single dose of cinacalcet (0.25 mg/kg) orally or by nasogastric or gastric tube. Subjects were randomized to one of two parathyroid hormone (PTH) and serum calcium sampling sequences: [(1) 2, 8, 48 h; or (2) …
Urolithin A, A Gut Metabolite, Improves Insulin Sensitivity Through Augmentation Of Mitochondrial Function And Biogenesis, Ashley Mulcahy Toney, Rong Fan, Yibo Xian, Virginia Chaidez, Amanda E. Ramer-Tait, Soonkyu Chung
Urolithin A, A Gut Metabolite, Improves Insulin Sensitivity Through Augmentation Of Mitochondrial Function And Biogenesis, Ashley Mulcahy Toney, Rong Fan, Yibo Xian, Virginia Chaidez, Amanda E. Ramer-Tait, Soonkyu Chung
Department of Nutrition and Health Sciences: Faculty Publications
Objective: Urolithin A (UroA) is a major metabolite of ellagic acid produced following microbial catabolism in the gut. Emerging evidence has suggested that UroA modulates energy metabolism in various cells. However, UroA’s physiological functions related to obesity and insulin resistance remain unclear. Methods: Male mice were intraperitoneally administrated either UroA or dimethyl sulfoxide (vehicle) along with a high-fat diet for 12 weeks. Insulin sensitivity was evaluated via glucose and insulin tolerance tests and acute insulin signaling. The effects of UroA on hepatic triglyceride accumulation, adipocyte size, mitochondrial DNA content, and proinflammatory gene expressions were determined. The impact of UroA on …
Rapid Identification Of Phospholipase A2 Transcripts From Snake Venoms, Ying Jia, Pablo Olvera, Frida Rangel, Bianca Mendez, Samir Reddy
Rapid Identification Of Phospholipase A2 Transcripts From Snake Venoms, Ying Jia, Pablo Olvera, Frida Rangel, Bianca Mendez, Samir Reddy
School of Integrative Biological & Chemical Sciences (Formerly Dept. of Biology)
Phospholipase A2 (PLA2) is a major component in snake venoms and it is found in many different isoforms. To identify transcripts encoding different PLA2 isoforms, we developed a simple, rapid procedure. Total RNA was extracted from the venoms of three cottonmouth snakes and two diamondback rattlesnakes, and further reverse-transcribed into complementary DNA (cDNA). Using one pair of cottonmouth PLA2-specific primers and Reverse Transcription Polymerase Chain Reaction (RT-PCR) technique, we identified 27 unique full-length PLA2 transcripts, including nine sequences identical to the previously documented ones in the database and one novel GIII-like PLA2 …
Development And Ex Vivo Characterization Of Enteric Coated Chitosan Beads For Crohn’S Disease Management, Craig Mendonca
Development And Ex Vivo Characterization Of Enteric Coated Chitosan Beads For Crohn’S Disease Management, Craig Mendonca
University Scholar Projects
Drug delivery is the process of transporting a drug to its site of action. It includes controlled delivery, where the drug is released at the tissue in a regulated manner. Additionally, it includes targeted delivery, where the drug is aimed at a specific tissue or region to avoid unwanted side effects (that would occur if the drug were distributed throughout the body). A cellulose acetate phthalate coated chitosan bead was developed as a formulation for controlled and targeted release of dexamethasone to the ilium and colon. This formulation was determined to be effective in delaying dexamethasone release until the formulation …
The Effects Of Inhibiting Pi3k On Tumor Suppressor Gene P53 And Cell Proliferation, Kelsi Peters
The Effects Of Inhibiting Pi3k On Tumor Suppressor Gene P53 And Cell Proliferation, Kelsi Peters
Undergraduate Theses and Capstone Projects
When the cell surface molecule, Human EGF Receptor (HER2), is overexpressed, the cell can become cancerous. MDA-MB-453 is an established breast cancer cell line made cancerous by HER2 overexpression. This mutation that causes HER2 overexpression affects the cell signaling pathway of phosphoinositide 3-kinase (PI3K), Akt, MDM2, and p53. We predicted that PI3K would be inhibited with the compound, LY294002, sending signals for Akt and MDM2 to be deactivated in MDA-MB-453 cells. Deactivated MDM2 signals for p53 to be activated. P53 is a tumor suppressor protein that exists in low quantities in normal cells, but when damage …
Unlocking The Mysteries Of Weed And Mexico, Eddy Martinez
Unlocking The Mysteries Of Weed And Mexico, Eddy Martinez
Capstones
An American biotech firm named Phylos Bioscience is interested in entering the Mexican marijuana market once it legalizes. Before it can do that, it must deal with the Mexican government and a conservative society.
https://eddymartinezcunyedu.atavist.com/figuring-out-the-mysteries-of-weed-and-mexico
Coordinated Unmanned Aircraft System (Uas) And Ground-Based Weather Measurements To Predict Lagrangian Coherent Structures (Lcss), Peter J. Nolan, James Pinto, Javier González-Rocha, Anders Jensen, Christina N. Vezzi, Sean C. C. Bailey, Gijs De Boer, Constantin Diehl, Roger Laurence Iii, Craig W. Powers, Hosein Foroutan, Shane D. Ross, David G. Schmale Iii
Coordinated Unmanned Aircraft System (Uas) And Ground-Based Weather Measurements To Predict Lagrangian Coherent Structures (Lcss), Peter J. Nolan, James Pinto, Javier González-Rocha, Anders Jensen, Christina N. Vezzi, Sean C. C. Bailey, Gijs De Boer, Constantin Diehl, Roger Laurence Iii, Craig W. Powers, Hosein Foroutan, Shane D. Ross, David G. Schmale Iii
Mechanical Engineering Faculty Publications
Concentrations of airborne chemical and biological agents from a hazardous release are not spread uniformly. Instead, there are regions of higher concentration, in part due to local atmospheric flow conditions which can attract agents. We equipped a ground station and two rotary-wing unmanned aircraft systems (UASs) with ultrasonic anemometers. Flights reported here were conducted 10 to 15 m above ground level (AGL) at the Leach Airfield in the San Luis Valley, Colorado as part of the Lower Atmospheric Process Studies at Elevation—a Remotely-Piloted Aircraft Team Experiment (LAPSE-RATE) campaign in 2018. The ultrasonic anemometers were used to collect simultaneous measurements of …