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Pharmacology, Toxicology and Environmental Health Commons™
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Articles 31 - 40 of 40
Full-Text Articles in Pharmacology, Toxicology and Environmental Health
Thrombospondin1 Deficiency Attenuates Obesity-Associated Microvascular Complications In Apoe-/- Mice, Hasiyeti Maimaitiyiming, Kate Clemons, Qi Zhou, Heather Norman, Shuxia Wang
Thrombospondin1 Deficiency Attenuates Obesity-Associated Microvascular Complications In Apoe-/- Mice, Hasiyeti Maimaitiyiming, Kate Clemons, Qi Zhou, Heather Norman, Shuxia Wang
Pharmacology and Nutritional Sciences Faculty Publications
Obesity is associated with insulin resistance and the increased development of vascular complications. Previously, we have demonstrated that thrombospondin1 (TSP1) regulates macrophage function and contributes to obesity associated inflammation and insulin resistance. However, the role of TSP1 in the development of obesity associated vascular complications is not clear. Therefore, in the current study, we investigated whether TSP1 deficiency protects mice from obesity associated micro as well as macro-vascular complications in ApoE-/- mice. In this study, male ApoE-/- mice and ApoE-/-TSP1-/- mice were fed with a low-fat (LF) or a high-fat (HF) diet for 16 weeks. We found that body weight …
Cd47 Deficiency Protects Mice From Diet-Induced Obesity And Improves Whole Body Glucose Tolerance And Insulin Sensitivity, Hasiyeti Maimaitiyiming, Heather Norman, Qi Zhou, Shuxia Wang
Cd47 Deficiency Protects Mice From Diet-Induced Obesity And Improves Whole Body Glucose Tolerance And Insulin Sensitivity, Hasiyeti Maimaitiyiming, Heather Norman, Qi Zhou, Shuxia Wang
Pharmacology and Nutritional Sciences Faculty Publications
CD47 is a transmembrane protein with several functions including self-recognition, immune cell communication, and cell signaling. Although it has been extensively studied in cancer and ischemia, CD47 function in obesity has never been explored. In this study, we utilized CD47 deficient mice in a high-fat diet induced obesity model to study for the first time whether CD47 plays a role in the development of obesity and metabolic complications. Male CD47 deficient and wild type (WT) control mice were fed with either low fat (LF) or high fat (HF) diets for 16 weeks. Interestingly, we found that CD47 deficient mice were …
Impact Of Antimalarial Treatment And Chemoprevention On The Drug Sensitivity Of Malaria Parasites Isolated From Ugandan Children, Patrick Tumwebaze, Melissa D. Conrad, Andrew Walakira, Norbert Leclair, Oswald Byaruhanga, Christine Nakazibwe, Benjamin Kozak, Jessica Bloome, Jaffer Okiring, Abel Kakuru, Victor Bigira, James Kapisi, Jennifer Legac, Jiri Gut, Roland A. Cooper, Moses R. Kamya, Diane V. Havlir, Grant Dorsey, Bryan Greenhouse, Samuel L. Nsobya, Philip J. Rosenthal
Impact Of Antimalarial Treatment And Chemoprevention On The Drug Sensitivity Of Malaria Parasites Isolated From Ugandan Children, Patrick Tumwebaze, Melissa D. Conrad, Andrew Walakira, Norbert Leclair, Oswald Byaruhanga, Christine Nakazibwe, Benjamin Kozak, Jessica Bloome, Jaffer Okiring, Abel Kakuru, Victor Bigira, James Kapisi, Jennifer Legac, Jiri Gut, Roland A. Cooper, Moses R. Kamya, Diane V. Havlir, Grant Dorsey, Bryan Greenhouse, Samuel L. Nsobya, Philip J. Rosenthal
Collected Faculty and Staff Scholarship
Changing treatment practices may be selecting for changes in the drug sensitivity of malaria parasites. We characterized ex vivo drug sensitivity and parasite polymorphisms associated with sensitivity in 459 Plasmodium falciparum samples obtained from subjects enrolled in two clinical trials in Tororo, Uganda, from 2010 to 2013. Sensitivities to chloroquine and monodesethylamodiaquine varied widely; sensitivities to quinine, dihydroartemisinin, lumefantrine, and piperaquine were generally good. Associations between ex vivo drug sensitivity and parasite polymorphisms included decreased chloroquine and monodesethylamodiaquine sensitivity and increased lumefantrine and piperaquine sensitivity with pfcrt 76T, as well as increased lumefantrine sensitivity with pfmdr1 86Y, Y184, and 1246Y. …
Activation Of The Nf-Κb Pathway As A Mechanism Of Alcohol Enhanced Progression And Metastasis Of Human Hepatocellular Carcinoma, Fei Wang, Jin-Lian Yang, Ke-Ke Yu, Mei Xu, You-Zhi Xu, Li Chen, Yan-Min Lu, Hao-Shu Fang, Xin-Yi Wang, Zhong-Qian Hu, Fei-Fei Li, Lixin Kan, Jia Luo, Si-Ying Wang
Activation Of The Nf-Κb Pathway As A Mechanism Of Alcohol Enhanced Progression And Metastasis Of Human Hepatocellular Carcinoma, Fei Wang, Jin-Lian Yang, Ke-Ke Yu, Mei Xu, You-Zhi Xu, Li Chen, Yan-Min Lu, Hao-Shu Fang, Xin-Yi Wang, Zhong-Qian Hu, Fei-Fei Li, Lixin Kan, Jia Luo, Si-Ying Wang
Pharmacology and Nutritional Sciences Faculty Publications
BACKGROUND: Hepatocellular carcinoma (HCC), the most common form of primary liver cancer, is the third leading cause of cancer-related death in human. Alcohol is a known risk factor for HCC. However it is still unclear whether and how alcohol enhances the progression and metastasis of existing HCC.
METHODS AND RESULTS: We first retrospectively investigated 52 HCC patients (24 alcohol-drinkers and 28 non-drinkers), and found a positive correlation between alcohol consumption and advanced Tumor-Node-Metastasis (TNM) stages, higher vessel invasion and poorer prognosis. In vitro and in vivo experiments further indicated that alcohol promoted the progression and migration/invasion of HCC. Specifically, in …
Pact/Rax Regulates The Migration Of Cerebellar Granule Neurons In The Developing Cerebellum, Yue Yong, Ya Meng, Hanqing Ding, Zhiqin Fan, Yifen Tang, Chenghua Zhou, Jia Luo, Zun-Ji Ke
Pact/Rax Regulates The Migration Of Cerebellar Granule Neurons In The Developing Cerebellum, Yue Yong, Ya Meng, Hanqing Ding, Zhiqin Fan, Yifen Tang, Chenghua Zhou, Jia Luo, Zun-Ji Ke
Pharmacology and Nutritional Sciences Faculty Publications
PACT and its murine ortholog RAX were originally identified as a protein activator for the dsRNA-dependent, interferon-inducible protein kinase PKR. Recent studies indicated that RAX played a role in embryogenesis and neuronal development. In this study, we investigated the expression of RAX during the postnatal development of the mouse cerebellum and its role in the migration of cerebellar granule neurons (CGNs). High expression of RAX was observed in the cerebellum from postnatal day (PD) 4 to PD9, a period when the CGNs migrate from the external granule layer (EGL) to the internal granule layer (IGL). The migration of the EGL …
A Systematic Review And Meta-Regression Analysis Of Lung Cancer Risk And Inorganic Arsenic In Drinking Water., Steven H. Lamm, Hamid Ferdosi, Elisabeth K. Dissen, Ji Li, Jaeil Ahn
A Systematic Review And Meta-Regression Analysis Of Lung Cancer Risk And Inorganic Arsenic In Drinking Water., Steven H. Lamm, Hamid Ferdosi, Elisabeth K. Dissen, Ji Li, Jaeil Ahn
Epidemiology Faculty Publications
High levels (> 200 µg/L) of inorganic arsenic in drinking water are known to be a cause of human lung cancer, but the evidence at lower levels is uncertain. We have sought the epidemiological studies that have examined the dose-response relationship between arsenic levels in drinking water and the risk of lung cancer over a range that includes both high and low levels of arsenic. Regression analysis, based on six studies identified from an electronic search, examined the relationship between the log of the relative risk and the log of the arsenic exposure over a range of 1-1000 µg/L. The …
Mcnair Research Journal - Summer 2015, Kelly Abuali, Starr Bailey, Krystal Courtney D. Belmonte, Brittaney Benson-Townsend, Jennifer Bolick, Mihaela A. Ciulei, Ashley Crisp, Daniel N. Erosa, Richard V. Foster, Gisele Braga Goertz, Michael A. Langhardt, Kara Osborne, Julienne Jochel Paraiso, Shawn M. Rosen, Bella V. Smith, Jeevake Attapattu, Ernesto H. Bedoy, Michael G. Curtis, Wanda Inthavong, Marielle Leo, Primrose Martin, Tamieka Meadows, Rosa Perez, Jessica Recarey, Shea Silver, Linda Tompkins
Mcnair Research Journal - Summer 2015, Kelly Abuali, Starr Bailey, Krystal Courtney D. Belmonte, Brittaney Benson-Townsend, Jennifer Bolick, Mihaela A. Ciulei, Ashley Crisp, Daniel N. Erosa, Richard V. Foster, Gisele Braga Goertz, Michael A. Langhardt, Kara Osborne, Julienne Jochel Paraiso, Shawn M. Rosen, Bella V. Smith, Jeevake Attapattu, Ernesto H. Bedoy, Michael G. Curtis, Wanda Inthavong, Marielle Leo, Primrose Martin, Tamieka Meadows, Rosa Perez, Jessica Recarey, Shea Silver, Linda Tompkins
McNair Journal
Journal articles based on research conducted by undergraduate students in the McNair Scholars Program
Table of Contents
Biography of Dr. Ronald E. McNair
Statements:
Dr. Neal J. Smatresk, UNLV President
Dr. Juanita P. Fain, Vice President of Student Affairs
Dr. William W. Sullivan, Associate Vice President for Retention and Outreach
Mr. Keith Rogers, Deputy Executive Director of the Center for Academic Enrichment and Outreach
McNair Scholars Institute Staff
An Exploratory Study Of Dog Park Visits As A Risk Factor For Exposure To Drug-Resistant Extra-Intestinal Pathogenic E. Coli (Expec)., Lubna N. Ahmed, Lance B. Price, Jay P. Graham
An Exploratory Study Of Dog Park Visits As A Risk Factor For Exposure To Drug-Resistant Extra-Intestinal Pathogenic E. Coli (Expec)., Lubna N. Ahmed, Lance B. Price, Jay P. Graham
Environmental and Occupational Health Faculty Publications
Background
Extraintestinal pathogenic E. coli (ExPEC) are common causative agents of urinary tract infections in humans. Dogs have been found to harbor ExPEC. This study tested stool samples from dogs (n = 16), the shoes of dog park visitors (n = 16) and the shoes of controls (n = 16) for ExPEC. Phenotypic resistance of isolates was characterized.
Findings
ExPEC were present in one-third of the dog stool samples, 9% of the samples from the shoes of dog park visitors and 6% of control samples. Half of the ExPEC isolates were multi-drug resistant.
Discussion
The findings suggest that dogs may …
Challenges Posed By Tick-Borne Rickettsiae: Eco- Epidemiology And Public Health Implications, Marina E. Eremeeva, Gregory A. Dasch
Challenges Posed By Tick-Borne Rickettsiae: Eco- Epidemiology And Public Health Implications, Marina E. Eremeeva, Gregory A. Dasch
Environmental Health Sciences Faculty Publications
Rickettsiae are obligately intracellular bacteria that are transmitted to vertebrates by a variety of arthropod vectors, primarily by fleas and ticks. Once transmitted or experimentally inoculated into susceptible mammals, some rickettsiae may cause febrile illness of different morbidity and mortality, and which can manifest with different types of exhanthems in humans. However, most rickettsiae circulate in diverse sylvatic or peridomestic reservoirs without having obvious impacts on their vertebrate hosts or affecting humans. We have analyzed the key features of tick-borne maintenance of rickettsiae, which may provide a deeper basis for understanding those complex invertebrate interactions and strategies that have permitted …
Utilization Of Placebo Response In Double-Blind Psychopharmacological Studies, Contextual Perspective, Margarita Olegovna Ashirova
Utilization Of Placebo Response In Double-Blind Psychopharmacological Studies, Contextual Perspective, Margarita Olegovna Ashirova
Antioch University Dissertations & Theses
Placebo response has been an elusive phenomenon in the fields of medicine, medical research, and psychology. Even though it has been heavily utilized as a comparator treatment in double-blind psychopharmacological studies, the reliable definition and consistent understanding of placebo response are missing. In this contextual exploration, I outlined the state of current placebo response research and variable rates of placebo response reported in double-blind studies. I identified the gap in the literature—lack of consistent understanding of placebo response—that has led to a waste of resources by the psychopharmacological research industry. Further, I compared and contrasted the current inconsistent Western medical …