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Articles 1 - 8 of 8
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Olive Oil Diet In Mild Pre-Gestational Diabetes Impacts Offspring Β-Cell Development., Bushra Taqui, Farsad Asadi, Evangelina Capobianco, Daniel Barry Hardy, Alicia Jawerbaum, Edith Juliana Arany
Olive Oil Diet In Mild Pre-Gestational Diabetes Impacts Offspring Β-Cell Development., Bushra Taqui, Farsad Asadi, Evangelina Capobianco, Daniel Barry Hardy, Alicia Jawerbaum, Edith Juliana Arany
Physiology and Pharmacology Publications
Maternal diabetes impairs fetal development and increases the risk of metabolic diseases in the offspring. Previously, we showed maternal dietary supplementation with 6% of olive oil prevents diabetes-induced embryo and fetal defects, in part, through the activation of peroxisome proliferator-activated receptors (PPARs). In this study we examined the effects of this diet on neonatal and adult pancreatic development in both male and female offspring. A mild diabetic model was developed by injecting neonatal rats with streptozotocin (90 mg/kg). During pregnancy these dams were fed a chow diet supplemented or not with 6% olive oil. Dual immunohistochemistry was performed to detect …
Overexpression Of Mig-6 In The Cartilage Induces An Osteoarthritis-Like Phenotype In Mice, Melina Bellini, Michael A. Pest, Manuela Miranda-Rodrigues, Ling Qin, Jae Wook Jeong, Frank Beier
Overexpression Of Mig-6 In The Cartilage Induces An Osteoarthritis-Like Phenotype In Mice, Melina Bellini, Michael A. Pest, Manuela Miranda-Rodrigues, Ling Qin, Jae Wook Jeong, Frank Beier
Physiology and Pharmacology Publications
© 2020 The Author(s). Background: Osteoarthritis (OA) is the most common form of arthritis and characterized by degeneration of the articular cartilage. Mitogen-inducible gene 6 (Mig-6) has been identified as a negative regulator of the epidermal growth factor receptor (EGFR). Cartilage-specific Mig-6 knockout (KO) mice display increased EGFR signaling, an anabolic buildup of the articular cartilage, and formation of chondro-osseous nodules. Since our understanding of the EGFR/Mig-6 network in the cartilage remains incomplete, we characterized mice with cartilage-specific overexpression of Mig-6 in this study. Methods: Utilizing knee joints from cartilage-specific Mig-6-overexpressing (Mig-6 over/over ) mice (at multiple time points), we …
Poly(Ester Amide) Particles For Controlled Delivery Of Celecoxib, Ian J. Villamagna, Trent N. Gordon, Mark B. Hurtig, Frank Beier, Elizabeth R. Gillies
Poly(Ester Amide) Particles For Controlled Delivery Of Celecoxib, Ian J. Villamagna, Trent N. Gordon, Mark B. Hurtig, Frank Beier, Elizabeth R. Gillies
Physiology and Pharmacology Publications
© 2019 Wiley Periodicals, Inc. Many potential pharmacological treatments for osteoarthritis can result in undesirable side effects due to the systemic administration of drugs, making the direct delivery of drugs to joints an attractive alternative. Poly(ester amide)s (PEAs) have been shown to exhibit promising properties for the development of particle-based intra-articular delivery vehicles. However, a limited range of PEA structures has been investigated. In this study, we prepared and characterized the properties of two different PEA particles composed of l-phenylalanine, sebacic acid, and either 1,4-butanediol or 1,8-octanediol (PBSe and POSe, respectively). The anti-inflammatory drug celecoxib (CXB) was encapsulated into the …
Maternal Protein Restriction During Perinatal Life Affects Lung Mechanics And The Surfactant System During Early Postnatal Life In Female Rats., Reza Khazaee, Lynda A Mccaig, Cory Yamashita, Daniel B Hardy, Ruud A W Veldhuizen
Maternal Protein Restriction During Perinatal Life Affects Lung Mechanics And The Surfactant System During Early Postnatal Life In Female Rats., Reza Khazaee, Lynda A Mccaig, Cory Yamashita, Daniel B Hardy, Ruud A W Veldhuizen
Physiology and Pharmacology Publications
Limited information is available on how fetal growth retardation (FGR) affects the lung in the neonatal period in males and females. This led us to test the hypothesis that FGR alters lung mechanics and the surfactant system during the neonatal period. To test this hypothesis a model of FGR was utilized in which pregnant rat dams were fed a low protein diet during both the gestation and lactation period. We subsequently analyzed lung mechanics using a FlexiVent ventilator in male and female pups at postnatal day 7 and 21. Lung lavage material was obtained at postnatal day 1, 7 and …
Osteoarthritis, Cerebrovascular Dysfunction And The Common Denominator Of Inflammation: A Narrative Review, B. K. Al-Khazraji, C. T. Appleton, F. Beier, T. B. Birmingham, J. K. Shoemaker
Osteoarthritis, Cerebrovascular Dysfunction And The Common Denominator Of Inflammation: A Narrative Review, B. K. Al-Khazraji, C. T. Appleton, F. Beier, T. B. Birmingham, J. K. Shoemaker
Physiology and Pharmacology Publications
© 2018 The Author(s) Objective: Population-based cohort studies suggest an association between osteoarthritis (OA) and cerebrovascular disease, yet the mechanisms underlying vascular comorbidities in OA remain unclear. The purpose of this narrative review is to discuss the literature examining inflammation in OA with a focus on physiological mechanisms, and whether overlapping mechanisms exist in cerebrovascular dysfunction. Method: A literature search was conducted in PubMed using combinations of search terms: osteoarthritis, cerebrovascular (disease/dysfunction/risk), cardiovascular (disease/dysfunction/risk), aging/ageing, inflammation, inflammatory mediators, cytokine, c-reactive protein, interleukin, advanced glycation end-products, metabolic syndrome, reactive oxidative species, cognitive impairment, (vascular-related) dementia, small cerebral vessel disease, endothelial function, …
Maternal Nicotine Exposure Leads To Decreased Cardiac Protein Disulfide Isomerase And Impaired Mitochondrial Function In Male Rat Offspring., Nicole G Barra, Maria Lisyansky, Taylor A Vanduzer, Sandeep Raha, Alison C Holloway, Daniel B Hardy
Maternal Nicotine Exposure Leads To Decreased Cardiac Protein Disulfide Isomerase And Impaired Mitochondrial Function In Male Rat Offspring., Nicole G Barra, Maria Lisyansky, Taylor A Vanduzer, Sandeep Raha, Alison C Holloway, Daniel B Hardy
Physiology and Pharmacology Publications
Smoking throughout pregnancy can lead to complications during gestation, parturition and neonatal development. Thus, nicotine replacement therapies are a popular alternative thought to be safer than cigarettes. However, recent studies in rodents suggest that fetal and neonatal nicotine exposure alone results in cardiac dysfunction and high blood pressure. While it is well known that perinatal nicotine exposure causes increased congenital abnormalities, the mechanisms underlying longer-term deficits in cardiac function are not completely understood. Recently, our laboratory demonstrated that nicotine impairs placental protein disulfide isomerase (PDI) triggering an increase in endoplasmic reticulum stress, leading us to hypothesize that this may also …
Effects Of Protein Deficiency On Perinatal And Postnatal Health Outcomes, Shelby L. Oke, Daniel B. Hardy
Effects Of Protein Deficiency On Perinatal And Postnatal Health Outcomes, Shelby L. Oke, Daniel B. Hardy
Physiology and Pharmacology Publications
There are a variety of environmental insults that can occur during pregnancy which cause low birth weight and poor fetal health outcomes. One such insult is maternal malnutrition, which can be further narrowed down to a low protein diet during gestation. Studies show that perinatal protein deficiencies can impair proper organ growth and development, leading to long-term metabolic dysfunction. Understanding the molecular mechanisms that underlie how this deficiency leads to adverse developmental outcomes is essential for establishing better therapeuticstrategies that may alleviate or prevent diseases in later life. This chapter reviews how perinatal protein restriction in humans and animals leads …
Resting State Functional Network Disruptions In A Kainic Acid Model Of Temporal Lobe Epilepsy., Ravnoor Singh Gill, Seyed M Mirsattari, L Stan Leung
Resting State Functional Network Disruptions In A Kainic Acid Model Of Temporal Lobe Epilepsy., Ravnoor Singh Gill, Seyed M Mirsattari, L Stan Leung
Physiology and Pharmacology Publications
We studied the graph topological properties of brain networks derived from resting-state functional magnetic resonance imaging in a kainic acid induced model of temporal lobe epilepsy (TLE) in rats. Functional connectivity was determined by temporal correlation of the resting-state Blood Oxygen Level Dependent (BOLD) signals between two brain regions during 1.5% and 2% isoflurane, and analyzed as networks in epileptic and control rats. Graph theoretical analysis revealed a significant increase in functional connectivity between brain areas in epileptic than control rats, and the connected brain areas could be categorized as a limbic network and a default mode network (DMN). The …