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Articles 1 - 30 of 277
Full-Text Articles in Medical Sciences
Balancing The Mind: The Role Of Selective Serotonin Reuptake Inhibitors In Managing Anxiety, Olivia Mace
Balancing The Mind: The Role Of Selective Serotonin Reuptake Inhibitors In Managing Anxiety, Olivia Mace
Best Integrated Writing
Olivia’s senior capstone review article focuses on the role of the selective serotonin reuptake inhibitor (SSRI) escitalopram in the management of anxiety. SSRIs have been successfully used to treat depression for decades, with fluoxetine (Prozac) being introduced to the US market in 1987. Recently it has been found that the SSRI escitalopram has efficacy in treating anxiety as well as depression. Olivia’s review is detailed and timely. Unmanaged anxiety and depression are common among students and this review will be of interest to students, parents and the university population in general.
The Persistence Of Blue Ash In The Aftermath Of Emerald Ash Borer May Be Due To Adult Oviposition Preferences And Reduced Larval Performance, Don Cipollini, Emily Morton
The Persistence Of Blue Ash In The Aftermath Of Emerald Ash Borer May Be Due To Adult Oviposition Preferences And Reduced Larval Performance, Don Cipollini, Emily Morton
Biological Sciences Faculty Publications
- We examined the health of mature blue ash, Fraxinus quadrangulata, in two forests in southwestern Ohio in relation to that of mature white ash, F. americana, and examined the potential importance of oviposition preferences and larval resistance in the persistence of blue ash.
- Both blue ash and white ash were largely unaffected by emerald ash borer in 2012. By 2018, nearly 90% of the blue ash trees observed in these forests had full or nearly full canopies, as opposed to less than 20% of the white ash encountered in our studies. In 2021, blue ash maintained a …
Homeostatic Synaptic Plasticity Of Miniature Excitatory Postsynaptic Currents In Mouse Cortical Cultures Requires Neuronal Rab3a, Andrew G. Koesters, Mark M. Rich, Kathrin L. Engisch
Homeostatic Synaptic Plasticity Of Miniature Excitatory Postsynaptic Currents In Mouse Cortical Cultures Requires Neuronal Rab3a, Andrew G. Koesters, Mark M. Rich, Kathrin L. Engisch
Biological Sciences Faculty Publications
Following prolonged activity blockade, amplitudes of miniature excitatory postsynaptic currents (mEPSCs) increase, a form of homeostatic plasticity termed “synaptic scaling.” We previously showed that a presynaptic protein, the small GTPase Rab3A, is required for full expression of the increase in miniature endplate current amplitudes following prolonged blockade of action potential activity at the mouse neuromuscular junction in vivo (Wang et al., 2011), but it is unknown whether this form of Rab3A-dependent homeostatic plasticity shares any characteristics with central synapses. We show here that synaptic scaling of mEPSCs is impaired in mouse cortical neuron cultures prepared from Rab3A-/- and Rab3A Earlybird …
Gabaergic Synaptic Scaling Is Triggered By Changes In Spiking Activity Rather Than Transmitter Receptor Activation, Carlos Gonzalez-Islas, Zahraa Sabra, Ming-Fai Fong, Pernille Bülow, Nicholas Au Yong, Kathrin Engisch, Peter Wenner
Gabaergic Synaptic Scaling Is Triggered By Changes In Spiking Activity Rather Than Transmitter Receptor Activation, Carlos Gonzalez-Islas, Zahraa Sabra, Ming-Fai Fong, Pernille Bülow, Nicholas Au Yong, Kathrin Engisch, Peter Wenner
Biological Sciences Faculty Publications
Homeostatic plasticity represents a set of mechanisms that are thought to recover some aspect of neural function. One such mechanism called AMPAergic scaling was thought to be a likely candidate to homeostatically control spiking activity. However, recent findings have forced us to reconsider this idea as several studies suggest AMPAergic scaling is not directly triggered by changes in spiking. Moreover, studies examining homeostatic perturbations in vivo have suggested that GABAergic synapses may be more critical in terms of spiking homeostasis. Here we show results that GABAergic scaling can act to homeostatically control spiking levels. We find that increased or decreased …
Linking Science And Literacy Through Multimodal Text Sets: Student Perspectives, Heba Abdelnaby, William L. Romine, Delinda Van Garderen, Tracey Milarsky, Ankita Agarwal, Qingli Lei, Cassandra Smith, Amy Lannin, William Folk, Rachel Juergensen
Linking Science And Literacy Through Multimodal Text Sets: Student Perspectives, Heba Abdelnaby, William L. Romine, Delinda Van Garderen, Tracey Milarsky, Ankita Agarwal, Qingli Lei, Cassandra Smith, Amy Lannin, William Folk, Rachel Juergensen
Biological Sciences Faculty Publications
We present findings of a mixed methods study examining the perceptions of students’ (with and without disabilities) understanding and engagement with multimodal STEM text sets. Exit slip and survey data were used to identify areas for improvement in the development of the multimodal STEM text sets for middle school students. Data were collected from 434 middle school students, 86 of whom had a disability, from six teachers’ classrooms in Spring 2021. Significant differences in perceptions of understanding of argumentation were reported between students with and without disabilities. However, ratings of the lessons and the quality of learning, as well as …
The Impact Of Study Strategies On Knowledge Growth And Summative Exam Performance In The First Year Of Medical School, Markia Black, William L. Romine, Molly Simonis, Jeffrey L. Peters, Volker Bahn, Amber Todd
The Impact Of Study Strategies On Knowledge Growth And Summative Exam Performance In The First Year Of Medical School, Markia Black, William L. Romine, Molly Simonis, Jeffrey L. Peters, Volker Bahn, Amber Todd
Biological Sciences Faculty Publications
Although the distinction between deep and surface processing strategies, their potential to differentially impact learning, and data supporting the superiority of deep processing strategies on summative exam scores are well supported by the literature, more work is needed to understand: (1) how medical students combine study strategies into learning practices, and (2) the effectiveness of these learning practices in facilitating knowledge gains as measured by standardized test scores.
Measuring Claim-Evidence-Reasoning Using Scenario-Based Assessments Grounded In Real-World Issues, William L. Romine, Amy Lannin, Ankita Agarwal, Maha Kareem, Emily Burwell
Measuring Claim-Evidence-Reasoning Using Scenario-Based Assessments Grounded In Real-World Issues, William L. Romine, Amy Lannin, Ankita Agarwal, Maha Kareem, Emily Burwell
Biological Sciences Faculty Publications
Improving students’ use of argumentation is front and center in the increasing emphasis on scientific practice in K-12 Science and STEM programs. We explore the construct validity of scenario-based assessments of claim-evidence-reasoning (CER) and the structure of the CER construct with respect to a learning progression framework. We also seek to understand how middle school students progress. Establishing the purpose of an argument is a competency that a majority of middle school students meet, whereas quantitative reasoning is the most difficult, and the Rasch model indicates that the competencies form a unidimensional hierarchy of skills. We also find no evidence …
Massive Loss Of Proprioceptive Ia Synapses In Rat Spinal Motoneurons After Nerve Crush Injuries In The Postnatal Period, Ariadna Arbat-Plana, Sara Bolívar, Xavier Navarro, Esther Udina, Francisco J. Alvarez
Massive Loss Of Proprioceptive Ia Synapses In Rat Spinal Motoneurons After Nerve Crush Injuries In The Postnatal Period, Ariadna Arbat-Plana, Sara Bolívar, Xavier Navarro, Esther Udina, Francisco J. Alvarez
Neuroscience, Cell Biology & Physiology Faculty Publications
Peripheral nerve injuries (PNIs) induce the retraction from the ventral horn of the synaptic collaterals of Ia afferents injured in the nerve, effectively removing Ia synapses from α-motoneurons. The loss of Ia input impairs functional recovery and could explain, in part, better recovery after PNIs with better Ia synaptic preservation. Synaptic losses correlate with injury severity, speed, and efficiency of muscle reinnervation and requires ventral microglia activation. It is unknown whether this plasticity is age dependent. In neonates, axotomized motoneurons and sensory neurons undergo apoptosis, but after postnatal day 10 most survive. The goal of this study was to analyze …
Fast Blue And Cholera Toxin-B Survival Guide For Alpha-Motoneurons Labeling: Less Is Better In Young B6sjl Mice, But More Is Better In Aged C57bl/J Mice, Hasan Farid, Weston B. Gleford, Lori L. Goss, Teresa L. Garrett, Sherif M. Elbasiouny
Fast Blue And Cholera Toxin-B Survival Guide For Alpha-Motoneurons Labeling: Less Is Better In Young B6sjl Mice, But More Is Better In Aged C57bl/J Mice, Hasan Farid, Weston B. Gleford, Lori L. Goss, Teresa L. Garrett, Sherif M. Elbasiouny
Neuroscience, Cell Biology & Physiology Faculty Publications
Fast Blue (FB) and Cholera Toxin-B (CTB) are two retrograde tracers extensively used to label alpha-motoneurons (α-MNs). The overall goals of the present study were to (1) assess the effectiveness of different FB and CTB protocols in labeling α-MNs, (2) compare the labeling quality of these tracers at standard concentrations reported in the literature (FB 2% and CTB 0.1%) versus lower concentrations to overcome tracer leakage, and (3) determine an optimal protocol for labeling α-MNs in young B6SJL and aged C57Bl/J mice (when axonal transport is disrupted by aging). Hindlimb muscles of young B6SJL and aged C57Bl/J mice were intramuscularly …
Epc-Exs Improve Astrocyte Survival And Oxidative Stress Through Different Uptaking Pathways In Diabetic Hypoxia Condition, Manasi Suchit Halurkar, Jinju Wang, Shuzhen Chen, Ji Chen Bihl
Epc-Exs Improve Astrocyte Survival And Oxidative Stress Through Different Uptaking Pathways In Diabetic Hypoxia Condition, Manasi Suchit Halurkar, Jinju Wang, Shuzhen Chen, Ji Chen Bihl
Pharmacology and Toxicology Faculty Publications
Background: Hyperglycemia contributes to cardiovascular complications in patients with type 2 diabetes. We confirmed that high glucose (HG) induces endothelial dysfunction and cerebral ischemic injury is enlarged in diabetic mice. Stem cell-released exosomes have been shown to protect the brain from ischemic stroke. We have previously shown that endothelial progenitor cells (EPCs)-released exosomes (EPC-EXs) can protect endothelial cells from hypoxia/reoxygenation (H/R) and HG-induced injury. Here, we aim to investigate the effects of EPC-EXs on astrocytes under H/R and HG-induced injury and whether miR-126 enriched EPC-EXs (miR126-EPC-EXs) have enhanced efficacy. Methods: EPC-EX uptake and co-localization were measured by fluorescent microscopy using …
Motoneuron Excitability Dysfunction In Als: Pseudo-Mystery Or Authentic Conundrum?, Sherif M. Elbasiouny
Motoneuron Excitability Dysfunction In Als: Pseudo-Mystery Or Authentic Conundrum?, Sherif M. Elbasiouny
Neuroscience, Cell Biology & Physiology Faculty Publications
In amyotrophic lateral sclerosis (ALS), abnormalities in motoneuronal excitability are seen in early pathogenesis and throughout disease progression. Fully understanding motoneuron excitability dysfunction may lead to more effective treatments. Yet decades of research have not produced consensus on the nature, role or underlying mechanisms of motoneuron excitability dysfunction in ALS. For example, contrary to Ca excitotoxicity theory, predictions of motoneuronal hyper-excitability, normal and hypo-excitability have also been seen at various disease stages and in multiple ALS lines. Accordingly, motoneuron excitability dysfunction in ALS is a disputed topic in the field. Specifically, the form (hyper, hypo or unchanged) and what role …
Non-Invasive Transcutaneous Spinal Dc Stimulation As A Neurorehabilitation Als Therapy In Awake G93a Mice: The First Step To Clinical Translation, Morgan M. Highlander, Sherif M. Elbasiouny
Non-Invasive Transcutaneous Spinal Dc Stimulation As A Neurorehabilitation Als Therapy In Awake G93a Mice: The First Step To Clinical Translation, Morgan M. Highlander, Sherif M. Elbasiouny
Neuroscience, Cell Biology & Physiology Faculty Publications
Spinal direct current stimulation (sDCS) modulates motoneuron (MN) excitability beyond the stimulation period, making it a potential neurorehabilitation therapy for amyotrophic lateral sclerosis (ALS), a MN degenerative disease in which MN excitability dysfunction plays a critical and complex role. Recent evidence confirms induced changes in MN excitability via measured MN electrophysiological properties in the SOD1 ALS mouse during and following invasive subcutaneous sDCS (ssDCS). The first aim of our pilot study was to determine the clinical potential of these excitability changes at symptom onset (P90-P105) in ALS via a novel non-invasive transcutaneous sDCS (tsDCS) treatment paradigm on un-anesthetized SOD1-G93A mice. …
Suppression Of Store-Operated Calcium Entry Channels And Cytokine Release By Cannabinoids, J. Ashot Kozak
Suppression Of Store-Operated Calcium Entry Channels And Cytokine Release By Cannabinoids, J. Ashot Kozak
Neuroscience, Cell Biology & Physiology Faculty Publications
No abstract provided.
Drone-Based Water Sampling And Characterization Of Three Freshwater Harmful Algal Blooms In The United States, Regina Hanlon, Stephen J. Jacquemin, Johnna A. Birbeck, Judy A. Westrick, Charbel Harb, Hope Gruszewski, Andrew P. Ault, Durelle Scott, Hosein Foroutan, Shane D. Ross, Javier González-Rocha, Craig Powers, Lowell Pratt, Harry Looney, Greg Baker, David G. Schmale
Drone-Based Water Sampling And Characterization Of Three Freshwater Harmful Algal Blooms In The United States, Regina Hanlon, Stephen J. Jacquemin, Johnna A. Birbeck, Judy A. Westrick, Charbel Harb, Hope Gruszewski, Andrew P. Ault, Durelle Scott, Hosein Foroutan, Shane D. Ross, Javier González-Rocha, Craig Powers, Lowell Pratt, Harry Looney, Greg Baker, David G. Schmale
Biological Sciences Faculty Publications
Freshwater harmful algal blooms (HABs), caused mostly by toxic cyanobacteria, produce a range of cyanotoxins that threaten the health of humans and domestic animals. Climate conditions and anthropogenic influences such as agricultural run-off can alter the onset and intensity of HABs. Little is known about the distribution and spread of freshwater HABs. Current sampling protocols in some lakes involve teams of researchers that collect samples by hand from a boat and/or from the shoreline. Water samples can be collected from the surface, from discrete-depth collections, and/or from depth-integrated intervals. These collections are often restricted to certain months of the year, …
The Role Of Microglia In Neuroinflammation Of The Spinal Cord After Peripheral Nerve Injury, Tana S. Pottorf, Travis M. Rotterman, William M. Mccallum, Zoë A. Haley-Johnson, Francisco J. Alvarez
The Role Of Microglia In Neuroinflammation Of The Spinal Cord After Peripheral Nerve Injury, Tana S. Pottorf, Travis M. Rotterman, William M. Mccallum, Zoë A. Haley-Johnson, Francisco J. Alvarez
Neuroscience, Cell Biology & Physiology Faculty Publications
Peripheral nerve injuries induce a pronounced immune reaction within the spinal cord, largely governed by microglia activation in both the dorsal and ventral horns. The mechanisms of activation and response of microglia are diverse depending on the location within the spinal cord, type, severity, and proximity of injury, as well as the age and species of the organism. Thanks to recent advancements in neuro-immune research techniques, such as single-cell transcriptomics, novel genetic mouse models, and live imaging, a vast amount of literature has come to light regarding the mechanisms of microglial activation and alluding to the function …
Presence Of Blaper-1 And Blaveb-1 Beta-Lactamase Genes Among Isolates Of Pseudomonas Aeruginosa From Burn And Trauma Hospital Peshawar, Pakistan, Suleman Khan, Samiyah Tasleem, Alfarah Rehmat Ullah,, Sarwat Moon, Saad Alghamdi, Raina Saad Suliman, Muhammad Ateeq, Muhmmad Salman, Anas S. Dablool,, Banan Atwah, Farkad Bantun
Presence Of Blaper-1 And Blaveb-1 Beta-Lactamase Genes Among Isolates Of Pseudomonas Aeruginosa From Burn And Trauma Hospital Peshawar, Pakistan, Suleman Khan, Samiyah Tasleem, Alfarah Rehmat Ullah,, Sarwat Moon, Saad Alghamdi, Raina Saad Suliman, Muhammad Ateeq, Muhmmad Salman, Anas S. Dablool,, Banan Atwah, Farkad Bantun
Journal of Bioresource Management
Pseudomonas aeruginosa spp are the most prevalent bacteria that cause nosocomial infections in hospitals. Most antibiotics, including novel new β-lactams, are already resistant to them, and they can become resistant during treatment, which can make the treatment fail. P. aeruginosa isolates from ICU patients who had Per-1 and VEB-1 were the main focus of this study. These two ESBLs are the two most common in ICU patients who had them. 50 isolates were gathered from Peshawar's LRH ICU facilities in the year 2021. The antibiotic susceptibility test was conducted in accordance with the Clinical and Laboratory Standards Institute's standards (CLSI). …
Il-10 And Tgf-Β Increase Connexin-43 Expression And Membrane Potential Of Hl-1 Cardiomyocytes Coupled With Raw 264.7 Macrophages, Cora B. Cox, Mike Castro, Thomas L. Brown, Nancy J. Bigley
Il-10 And Tgf-Β Increase Connexin-43 Expression And Membrane Potential Of Hl-1 Cardiomyocytes Coupled With Raw 264.7 Macrophages, Cora B. Cox, Mike Castro, Thomas L. Brown, Nancy J. Bigley
Neuroscience, Cell Biology & Physiology Faculty Publications
Cardiac resident macrophages facilitate electrical conduction by interacting with cardiomyocytes via connexin-43 (Cx43) hemichannels. Cx43 is critical for impulse propagation and coordination between muscle contractions. Cardiomyocyte electrophysiology can be altered when coupled with noncardiomyocyte cell types such as M2c tissue-resident macrophages. Using cocultures of murine HL-1 cardiomyocytes and RAW 264.7 macrophages, we examined the hypothesis that cytokine signals, TGF-β1 and IL-10, upregulate Cx43 expression at points of contact between the two cell types. These cytokine signals maintain the macrophages in an M2c anti-inflammatory phenotype, mimicking cardiac resident macrophages. The electrophysiology of cardiomyocytes was examined using di-8-ANEPPS potentiometric dye, which reflects …
Parasitism Of Corn Earworm, Helicoverpa Zea (Boddie) (Lepidoptera: Noctuidae), By Tachinid Flies In Cultivated Hemp, Armando Falcon-Brindis, John O. Stireman Iii, Zenaida J. Viloria, Raul T. Villanueva
Parasitism Of Corn Earworm, Helicoverpa Zea (Boddie) (Lepidoptera: Noctuidae), By Tachinid Flies In Cultivated Hemp, Armando Falcon-Brindis, John O. Stireman Iii, Zenaida J. Viloria, Raul T. Villanueva
Biological Sciences Faculty Publications
In a survey on hemp grown in western Kentucky we found an average of 27.8 CEW larvae per plant. We recorded 45% parasitism of CEW in these fields by two species of tachinid flies, Winthemia rufopicta and Lespesia aletiae. Most parasitized larvae were third to sixth instars at the time of collection. We found up to 22 tachinid eggs per host larva, 89% of which typically bore between 1 and 5 eggs on the thorax. 45.9% of CEW bearing eggs died. The number of tachinid eggs per host was unrelated to host body mass, but both the number of tachinid …
Acute Oxygen-Sensing Via Mitochondria-Generated Temperature Transients In Rat Carotid Body Type I Cells, Ryan J. Rakoczy, Clay M. Schiebrel, Christopher N. Wyatt
Acute Oxygen-Sensing Via Mitochondria-Generated Temperature Transients In Rat Carotid Body Type I Cells, Ryan J. Rakoczy, Clay M. Schiebrel, Christopher N. Wyatt
Neuroscience, Cell Biology & Physiology Faculty Publications
The Carotid Bodies (CB) are peripheral chemoreceptors that detect changes in arterial oxygenation and, via afferent inputs to the brainstem, correct the pattern of breathing to restore blood gas homeostasis. Herein, preliminary evidence is presented supporting a novel oxygen-sensing hypothesis which suggests CB Type I cell “hypoxic signaling” may in part be mediated by mitochondria-generated thermal transients in TASK-channel-containing microdomains. Distances were measured between antibody-labeled mitochondria and TASK-potassium channels in primary rat CB Type I cells. Sub-micron distance measurements (TASK-1: 0.33 ± 0.04 µm, n = 47 vs TASK-3: 0.32 ± 0.03 µm, n = …
First Annual Research Symposium Program With Abstracts, Office Of Research Affairs, Boonshoft School Of Medicine
First Annual Research Symposium Program With Abstracts, Office Of Research Affairs, Boonshoft School Of Medicine
Boonshoft School of Medicine Research Symposium
The program booklet is a compilation of abstracts from oral and poster presentations at Wright State University's First Annual Boonshoft School of Medicine Medical Research Symposium held on April 6, 2022.
Variation In Student Perceptions Of Higher Education Course Quality And Difficulty As A Result Of Widespread Implementation Of Online Education During The Covid-19 Pandemic, Joseph Cavanaugh, Stephen J. Jacquemin, Christine Junker
Variation In Student Perceptions Of Higher Education Course Quality And Difficulty As A Result Of Widespread Implementation Of Online Education During The Covid-19 Pandemic, Joseph Cavanaugh, Stephen J. Jacquemin, Christine Junker
Biological Sciences Faculty Publications
The onset of the COVID-19 global pandemic affected higher education in a myriad of ways. One of the most notable effects however was the rapid and sudden transition of nearly all courses at most institutions to an online environment. And while there are a growing number of courses offered online already, this transition to nearly 100% remote education presented numerous challenges for instructors and students of face-to-face and hybrid style courses. Since student perceptions are closely tied to recruitment and retention, it is important to know if there are differences in student perceptions present in the way different courses are …
Current Epidemiological Status And Antibiotic Resistance Profile Of Urinary Tract Infection, Muddasir Khan, Syed Hussain Shah, M. Abdullah, Muhammad Salman, Fawad Hayat, Raheela Sarwar, Neelma Hassan, Sohail Ahmad Jan, M. Saddam, Ziaur Rahman, Imran Qazi
Current Epidemiological Status And Antibiotic Resistance Profile Of Urinary Tract Infection, Muddasir Khan, Syed Hussain Shah, M. Abdullah, Muhammad Salman, Fawad Hayat, Raheela Sarwar, Neelma Hassan, Sohail Ahmad Jan, M. Saddam, Ziaur Rahman, Imran Qazi
Journal of Bioresource Management
With a longitudinal (2020–2021) completion, a set of 300 urine samples of individuals suspected of UTI was characterized based on the biochemical analysis and Kirby Bauer's disc diffusion method. Throughout, a total of 167 samples revealed UTI positivity by obtaining bacterial growth. Reporting that E. coli (69.4 %) was the most dominant when compared with Klebsiella (14.3 %), Proteus (5.9 %), S. aureus (4.7 %), P. aeruginosa (3.5 %), and Enterobacter (1.7 %), respectively. Gender-wise discrimination showed that E. coli was highly distributed among female (50.2 %) patients. A prominent percentage of E. coli (41.9 %) was found in the …
In-Silico Determination Of Phytochemicals Against Spike Protein Of Covid-19, Muhammad Irfan, Muhammad Adil, Areej Fatima, Arooj Fatima, Ammara Khalid, Muhammad Bilal
In-Silico Determination Of Phytochemicals Against Spike Protein Of Covid-19, Muhammad Irfan, Muhammad Adil, Areej Fatima, Arooj Fatima, Ammara Khalid, Muhammad Bilal
Journal of Bioresource Management
Spike protein is present on the exterior of SARS-CoV-2 that mediates the binding of virus with human ACE2 receptor. S-protein has the ability to mutate in a short span of time. Using S-protein as a therapeutic target, Covid-19 infection can be prevented. Many plant-derived phytochemicals are found effective to treat viral infections. In this study, we selected top 10 phytochemicals following the Lipinski’s rule of five from total 82 candidate phytochemicals. The binding energies were determined through molecular docking of the phytochemical ligands. Top three compounds having maximal interactions and lowest binding energies were visualized. We suggested Dictamnine, Deoxypodophyllotoxin and …
The Anti-Inflammatory Agent Bindarit Attenuates The Impairment Of Neural Development Through Suppression Of Microglial Activation In A Neonatal Hydrocephalus Mouse Model, Eri Iwasawa, Farrah N. Brown, Crystal Shula, Fatima Kahn, Sang Hoon Lee, Temugin Berta, David R. Ladle, Kenneth Campbell, Francesco T. Mangano, June Goto
The Anti-Inflammatory Agent Bindarit Attenuates The Impairment Of Neural Development Through Suppression Of Microglial Activation In A Neonatal Hydrocephalus Mouse Model, Eri Iwasawa, Farrah N. Brown, Crystal Shula, Fatima Kahn, Sang Hoon Lee, Temugin Berta, David R. Ladle, Kenneth Campbell, Francesco T. Mangano, June Goto
Neuroscience, Cell Biology & Physiology Faculty Publications
Neonatal hydrocephalus presents with various degrees of neuroinflammation and long-term neurologic deficits in surgically treated patients, provoking a need for additional medical treatment. We previously reported elevated neuroinflammation and severe periventricular white matter damage in the progressive hydrocephalus (prh) mutant which contains a point mutation in the Ccdc39 gene, causing loss of cilia-mediated unidirectional CSF flow. In this study, we identified cortical neuropil maturation defects such as impaired excitatory synapse maturation and loss of homeostatic microglia, and swimming locomotor defects in early postnatal prh mutant mice. Strikingly, systemic application of the anti-inflammatory small molecule bindarit significantly supports healthy …
Measuring Science Teachers' Emotional Experiences With Evolution Using Real World Scenarios, William Lee Romine, Rutuja Mahajan, Amber Todd
Measuring Science Teachers' Emotional Experiences With Evolution Using Real World Scenarios, William Lee Romine, Rutuja Mahajan, Amber Todd
Biological Sciences Faculty Publications
Low acceptance of evolution remains an obstacle to quality biology instruction. We develop and utilize a novel assessment which measures emotional experience in light of real-world evolution education scenarios. We presented 296 science teachers 4 pro-evolution and 8 anti-evolution scenarios and asked them to rate their levels of joy, anger, sadness, fear, disgust, shame, and guilt elicited by that scenario on an ordinal 5-point scale. We used exploratory factor analysis to extract the most important dimensions in the teachers’ responses, Rasch analysis to explore the validity of the extracted subscales, and stepwise regression to find the most important factors driving …
Ethanol And Opioids Do Not Act Synergistically To Depress Excitation In Carotid Body Type I Cells, Ryan J. Rakoczy, Kajal Kamra, Yoon-Jae Yi, Christopher N. Wyatt
Ethanol And Opioids Do Not Act Synergistically To Depress Excitation In Carotid Body Type I Cells, Ryan J. Rakoczy, Kajal Kamra, Yoon-Jae Yi, Christopher N. Wyatt
Neuroscience, Cell Biology & Physiology Faculty Publications
The combination of opioids and ethanol can synergistically depress breathing and the acute ventilatory response to hypoxia. Multiple studies have shown that the underlying mechanisms for this may involve calcium channel inhibition in central neurons. But we have previously identified opioid receptors in the carotid bodies and shown that their activation inhibits calcium influx into the chemosensitive cells. Given that the carotid bodies contribute to the drive to breathe and underpin the acute hypoxic ventilatory response, we hypothesized that ethanol and opioids may act synergistically in these peripheral sensory organs to further inhibit calcium influx and therefore inhibit ventilation.
Methods …
Genetic Targeting Of Adult Renshaw Cells Using A Calbindin 1 Destabilized Cre Allele For Intersection With Parvalbumin Or Engrailed1, Alicia R. Lane, Indeara C. Cogdell, Thomas M. Jessell, Jay B. Bikoff, Francisco J. Alvarez
Genetic Targeting Of Adult Renshaw Cells Using A Calbindin 1 Destabilized Cre Allele For Intersection With Parvalbumin Or Engrailed1, Alicia R. Lane, Indeara C. Cogdell, Thomas M. Jessell, Jay B. Bikoff, Francisco J. Alvarez
Neuroscience, Cell Biology & Physiology Faculty Publications
Renshaw cells (RCs) are one of the most studied spinal interneurons; however, their roles in motor control remain enigmatic in part due to the lack of experimental models to interfere with RC function, specifically in adults. To overcome this limitation, we leveraged the distinct temporal regulation of Calbindin (Calb1) expression in RCs to create genetic models for timed RC manipulation. We used a Calb1 allele expressing a destabilized Cre (dgCre) theoretically active only upon trimethoprim (TMP) administration. TMP timing and dose influenced RC targeting efficiency, which was highest within the first three postnatal weeks, but specificity was low with …
Nsaids Naproxen, Ibuprofen, Salicylate, And Aspirin Inhibit Trpm7 Channels By Cytosolic Acidification, Rikki Chokshi, Orville Bennett, Tetyana Zhelay, J. Ashot Kozak
Nsaids Naproxen, Ibuprofen, Salicylate, And Aspirin Inhibit Trpm7 Channels By Cytosolic Acidification, Rikki Chokshi, Orville Bennett, Tetyana Zhelay, J. Ashot Kozak
Neuroscience, Cell Biology & Physiology Faculty Publications
Non-steroidal anti-inflammatory drugs (NSAIDs) are used for relieving pain and inflammation accompanying numerous disease states. The primary therapeutic mechanism of these widely used drugs is the inhibition of cyclooxygenase 1 and 2 (COX1, 2) enzymes that catalyze the conversion of arachidonic acid into prostaglandins. At higher doses, NSAIDs are used for prevention of certain types of cancer and as experimental treatments for Alzheimer’s disease. In the immune system, various NSAIDs have been reported to influence neutrophil function and lymphocyte proliferation, and affect ion channels and cellular calcium homeostasis. Transient receptor potential melastatin 7 (TRPM7) cation channels are highly expressed in …
Epc-Exs Improve Neuronal Survival And Oxidative Stress Through Different Uptaking Pathways In Diabetic Hypoxia Condition, Manasi Suchit Halurkar, Jinju Wang, Shuzhen Chen, Ji Chen Bihl
Epc-Exs Improve Neuronal Survival And Oxidative Stress Through Different Uptaking Pathways In Diabetic Hypoxia Condition, Manasi Suchit Halurkar, Jinju Wang, Shuzhen Chen, Ji Chen Bihl
Pharmacology and Toxicology Faculty Publications
Background: Hyperglycemia contributes to cardiovascular complications in patients with type 2 diabetes. We confirmed that high glucose (HG) induces endothelial dysfunction and cerebral ischemic injury is enlarged in diabetic mice. Stem cell-released exosomes have been shown to protect the brain from ischemic stroke. We have previously shown that endothelial progenitor cells (EPCs)-released exosomes (EPC-EXs) can protect endothial cells from hypoxia/reoxygenation (H/R) and HG-induced injury. Here, we aim to investigate the effects of EPC-EXs on astrocytes under H/R and HG-induced injury and whether miR-126 enriched EPC-EXs (EPC-EXsmiR126) have enhanced efficacy. Methods: EPC-EX uptake and co-localization were measured by fluorescent microscopy using …
Placenta-Specific Slc38a2/Snat2 Knockdown Causes Fetal Growth Restriction In Mice, Owen R. Vaughan, Katarzyna Maksym, Elena Silva, Kenneth Barentsen, Russel V. Anthony, Sara L. Hillman, Thomas L. Brown, Rebecca Spencer, Anna L. David, Fredrick J. Rosario, Theresa L. Powell, Thomas Jansson
Placenta-Specific Slc38a2/Snat2 Knockdown Causes Fetal Growth Restriction In Mice, Owen R. Vaughan, Katarzyna Maksym, Elena Silva, Kenneth Barentsen, Russel V. Anthony, Sara L. Hillman, Thomas L. Brown, Rebecca Spencer, Anna L. David, Fredrick J. Rosario, Theresa L. Powell, Thomas Jansson
Neuroscience, Cell Biology & Physiology Faculty Publications
Fetal growth restriction (FGR) is a complication of pregnancy that reduces birth weight, markedly increases infant mortality and morbidity and is associated with later-life cardiometabolic disease. No specific treatment is available for FGR. Placentas of human FGR infants have low abundance of sodium-coupled neutral amino acid transporter 2 (Slc38a2/SNAT2), which supplies the fetus with amino acids required for growth. We determined the mechanistic role of placental Slc38a2/SNAT2 deficiency in the development of restricted fetal growth, hypothesizing that placenta-specific Slc38a2 knockdown causes FGR in mice. Using lentiviral transduction of blastocysts with a small hairpin RNA (shRNA), we achieved 59% knockdown of …