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Extracellular Vesicles Released By Human Retinal Pigment Epithelium Mediate Increased Polarised Secretion Of Drusen Proteins In Response To Amd Stressors, Miguel Flores-Bellver, Jason Mighty, Silvia Aparicio-Domingo, Kang V. Li, Cui Shi, Jing Zhou, Hannah Cobb, Patrick Mcgrath, German Michelis, Patricia Lenhart, Ganna Bilousova, Søren Heissel, Michael J. Rudy, Christina Coughlan, Andrew E. Goodspeed, S. Patricia Becerra, Stephen Redenti, M. Valeria Canto-Soler Jan 2021

Extracellular Vesicles Released By Human Retinal Pigment Epithelium Mediate Increased Polarised Secretion Of Drusen Proteins In Response To Amd Stressors, Miguel Flores-Bellver, Jason Mighty, Silvia Aparicio-Domingo, Kang V. Li, Cui Shi, Jing Zhou, Hannah Cobb, Patrick Mcgrath, German Michelis, Patricia Lenhart, Ganna Bilousova, Søren Heissel, Michael J. Rudy, Christina Coughlan, Andrew E. Goodspeed, S. Patricia Becerra, Stephen Redenti, M. Valeria Canto-Soler

Publications and Research

Age-related macular degeneration (AMD) is a leading cause of blindness worldwide. Drusen are key contributors to the etiology of AMD and the ability to modulate drusen biogenesis could lead to therapeutic strategies to slow or halt AMD progression. The mechanisms underlying drusen biogenesis, however, remain mostly unknown. Here we demonstrate that under homeostatic conditions extracellular vesicles (EVs) secreted by retinal pigment epithelium (RPE) cells are enriched in proteins associated with mechanisms involved in AMD pathophysiology, including oxidative stress, immune response, inflammation, complement system and drusen composition. Furthermore, we provide first evidence that drusen-associated proteins are released as cargo of extracellular …


Human Retinal Organoids Release Extracellular Vesicles That Regulate Gene Expression In Target Human Retinal Progenitor Cells, Jing Zhou, Miguel Flores‑Bellver, Jianbo Pan, Alberto Benito‑Martin, Cui Shi, Onyekwere Onwumere, Jason Mighty, Jiang Qian, Xiufeng Zhong, Tasmim Hogue, Baffour Amponsah‑Antwi, Linda Einbond, Rajendra Gharbaran, Hao Wu, Bo‑Juen Chen, Zhiliang Zheng, Tatyana Tchaikovskaya, Xusheng Zhang, Hector Peinado, Maria Valeria Canto‑Soler, Stephen Redenti Jan 2021

Human Retinal Organoids Release Extracellular Vesicles That Regulate Gene Expression In Target Human Retinal Progenitor Cells, Jing Zhou, Miguel Flores‑Bellver, Jianbo Pan, Alberto Benito‑Martin, Cui Shi, Onyekwere Onwumere, Jason Mighty, Jiang Qian, Xiufeng Zhong, Tasmim Hogue, Baffour Amponsah‑Antwi, Linda Einbond, Rajendra Gharbaran, Hao Wu, Bo‑Juen Chen, Zhiliang Zheng, Tatyana Tchaikovskaya, Xusheng Zhang, Hector Peinado, Maria Valeria Canto‑Soler, Stephen Redenti

Publications and Research

The mechanisms underlying retinal development have not been completely elucidated. Extracellular vesicles (EVs) are novel essential mediators of cell‑to‑cell communication with emerging roles in developmental processes. Nevertheless, the identification of EVs in human retinal tissue, characterization of their cargo, and analysis of their potential role in retina development has not been accomplished. Three‑dimensional retinal tissue derived from human induced pluripotent stem cells (hiPSC) provide an ideal developmental system to achieve this goal. Here we report that hiPSC‑derived retinal organoids release exosomes and microvesicles with small noncoding RNA cargo. EV miRNA cargo‑predicted targetome correlates with Gene Ontology (GO) pathways involved in …


X-Linked Serotonin 2c Receptor Is Associated With A Non-Canonical Pathway For Sudden Unexpected Death In Epilepsy, Cory A Massey, Samantha J Thompson, Ryan W Ostrom, Janice Drabek, Olafur A Sveinsson, Torbjörn Tomson, Elisabeth A Haas, Othon J Mena, Alica M Goldman, Jeffrey L Noebels Jan 2021

X-Linked Serotonin 2c Receptor Is Associated With A Non-Canonical Pathway For Sudden Unexpected Death In Epilepsy, Cory A Massey, Samantha J Thompson, Ryan W Ostrom, Janice Drabek, Olafur A Sveinsson, Torbjörn Tomson, Elisabeth A Haas, Othon J Mena, Alica M Goldman, Jeffrey L Noebels

Faculty, Staff and Students Publications

Sudden Unexpected Death in Epilepsy is a leading cause of epilepsy-related mortality, and the analysis of mouse Sudden Unexpected Death in Epilepsy models is steadily revealing a spectrum of inherited risk phenotypes based on distinct genetic mechanisms. Serotonin (5-HT) signalling enhances post-ictal cardiorespiratory drive and, when elevated in the brain, reduces death following evoked audiogenic brainstem seizures in inbred mouse models. However, no gene in this pathway has yet been linked to a spontaneous epilepsy phenotype, the defining criterion of Sudden Unexpected Death in Epilepsy. Most monogenic models of Sudden Unexpected Death in Epilepsy invoke a failure of inhibitory synaptic …


Secretion Of Von Willebrand Factor And Suppression Of Adamts-13 Activity By Markedly High Concentration Of Ferritin, Dalia A Bashir, Qi Da, Subhashree Pradhan, Nitin Sekhar, Christian Valladolid, Fong Lam, Danielle Guffey, Jordana Goldman, Moreshwar S Desai, Miguel A Cruz, Carl Allen, Trung C Nguyen, K Vinod Vijayan Jan 2021

Secretion Of Von Willebrand Factor And Suppression Of Adamts-13 Activity By Markedly High Concentration Of Ferritin, Dalia A Bashir, Qi Da, Subhashree Pradhan, Nitin Sekhar, Christian Valladolid, Fong Lam, Danielle Guffey, Jordana Goldman, Moreshwar S Desai, Miguel A Cruz, Carl Allen, Trung C Nguyen, K Vinod Vijayan

Faculty, Staff and Students Publications

Hyperferritinemia is associated with poor outcomes in critically ill patients with sepsis, hemophagocytic lymphohistiocytosis (HLH), macrophage activation syndromes (MAS) and coronavirus disease 19 (COVID-19). Autopsies of hyperferritinemic patients that succumbed to either sepsis, HLH, MAS or COVID-19 have revealed disseminated microvascular thromboses with von Willebrand factor (VWF)-, platelets-, and/or fibrin-rich microthrombi. It is unknown whether high plasma ferritin concentration actively promotes microvascular thrombosis, or merely serves as a prognostic biomarker in these patients. Here, we show that secretion of VWF from human umbilical vein endothelial cells (HUVEC) is significantly enhanced by 100,000 ng/ml of recombinant ferritin heavy chain protein (FHC). …


Efficacy Of Pcsk9 Inhibitors Compared To Standard Of Care In Improving The Low-Density-Lipoprotein Cholesterol And Lowering The Risk Of Cardiovascular Events In Patients With Familial Hypercholesterolemia, Nichole Warshany Jan 2021

Efficacy Of Pcsk9 Inhibitors Compared To Standard Of Care In Improving The Low-Density-Lipoprotein Cholesterol And Lowering The Risk Of Cardiovascular Events In Patients With Familial Hypercholesterolemia, Nichole Warshany

Capstone Showcase

Familial hypercholesterolemia is an inherited condition that causes patients to have significantly increased levels of LDL cholesterol, which often leads to coronary artery disease. Statin medications are typically prescribed to treat this condition, however these medications have adverse side effects and often subpar efficacy in this patient population. Evidence collected in this literature review yielded evidence that the use of PCSK9 inhibitors in the treatment of patients with familial hypercholesterolemia may be efficacious. Many of these studies were able to show statistically significant improvement of LDL-C and decrease in cardiovascular risk when compared to placebo. In addition, this medication was …


The Efficacy Of In Vitro Fertilization In Treating Infertility Due To Anovulatory Pcos In Comparison To Ovulation Induction Via Letrozole, Amanda Salay Jan 2021

The Efficacy Of In Vitro Fertilization In Treating Infertility Due To Anovulatory Pcos In Comparison To Ovulation Induction Via Letrozole, Amanda Salay

Capstone Showcase

Abstract:

Introduction: Polycystic Ovarian Syndrome (PCOS) is an endocrine disorder found in women of reproductive age that often causes infertility. The first-line treatment for infertility in anovulatory PCOS patients is ovulation induction. In vitro fertilization (IVF) is a third line treatment often used as a last resort. PCOS patients have higher failure risks of first- and second-line medications. Therefore, this review analyzes if adverse pregnancy outcomes (O) are reduced more with IVF (I) versus using letrozole for ovulation induction (C) in women aged 20-30 struggling with infertility due to anovulatory PCOS (P).

Methods: A literature search on Pubmed and EBSCOhost …


Community Opioid Overdose Prevention And Naloxone Distribution Programs: An Evidence-To-Practice Review, Madison M. Hauge, Kathryn C. Downs, Zachary K. Winkelmann Jan 2021

Community Opioid Overdose Prevention And Naloxone Distribution Programs: An Evidence-To-Practice Review, Madison M. Hauge, Kathryn C. Downs, Zachary K. Winkelmann

Clinical Practice in Athletic Training

According to the Centers for Disease Control and Prevention, 100 people die of drug overdose in the United States every day. This frighteningly high mortality rate has created the need for community-based opioid overdose prevention programs (OOPPs). Currently, there are more than 188 community-run programs operating in the United States. These programs teach individuals how to distribute naloxone and respond properly to a drug overdose situation. This guiding systematic review depicts the current literature available on OOPPs and their effectiveness. The authors performed an article search to discover the most relevant and recent articles, which were graded using a quality …


Tph2 In The Dorsal Raphe Nuclei Regulates Energy Balance In A Sex-Dependent Manner, Hailan Liu, Chunmei Wang, Meng Yu, Yongjie Yang, Yang He, Hesong Liu, Chen Liang, Longlong Tu, Nan Zhang, Lina Wang, Julia Wang, Feng Liu, Fang Hu, Yong Xu Jan 2021

Tph2 In The Dorsal Raphe Nuclei Regulates Energy Balance In A Sex-Dependent Manner, Hailan Liu, Chunmei Wang, Meng Yu, Yongjie Yang, Yang He, Hesong Liu, Chen Liang, Longlong Tu, Nan Zhang, Lina Wang, Julia Wang, Feng Liu, Fang Hu, Yong Xu

Children’s Nutrition Research Center Staff Publications

AbstractCentral 5-hydroxytryptamine (5-HT), which is primarily synthesized by tryptophan hydroxylase 2 (TPH2) in the dorsal Raphe nuclei (DRN), plays a pivotal role in the regulation of food intake and body weight. However, the physiological functions of TPH2 on energy balance have not been consistently demonstrated. Here we systematically investigated the effects of TPH2 on energy homeostasis in adult male and female mice. We found that the DRN harbors a similar amount of TPH2+ cells in control male and female mice. Adult-onset TPH2 deletion in the DRN promotes hyperphagia and body weight gain only in male mice, but not in female …


Associations Between Independent Assessments Of Child Appetite Self-Regulation: A Narrative Review, Maria A Papaioannou, Nilda Micheli, Thomas G Power, Jennifer O Fisher, Sheryl O Hughes Jan 2021

Associations Between Independent Assessments Of Child Appetite Self-Regulation: A Narrative Review, Maria A Papaioannou, Nilda Micheli, Thomas G Power, Jennifer O Fisher, Sheryl O Hughes

Children’s Nutrition Research Center Staff Publications

A variety of eating behaviors among children have been associated with obesity risk and are thought to broadly reflect child appetite self-regulation (ASR). While ASR is thought to occur on cognitive, emotional, motivational, biological, and behavioral levels, the inter-relatedness of ASR constructs as assessed by different methods/measures is not well-characterized. This narrative review describes the correspondence between different methods/measures of child ASR constructs as assessed by self-report questionnaires and/or observational tasks and their relationship to child standardized body mass index (BMIz). Research involving at least two different methods/measures is presented including observational tasks such as the Eating in the Absence …


Crucial Role Of Mammalian Glutaredoxin 3 In Cardiac Energy Metabolism In Diet-Induced Obese Mice Revealed By Transcriptome Analysis, Ninghui Cheng, Qianxing Mo, Jimmonique Donelson, Lingfei Wang, Ghislain Breton, George G Rodney, Jin Wang, Kendal D Hirschi, Xander H T Wehrens, Paul A Nakata Jan 2021

Crucial Role Of Mammalian Glutaredoxin 3 In Cardiac Energy Metabolism In Diet-Induced Obese Mice Revealed By Transcriptome Analysis, Ninghui Cheng, Qianxing Mo, Jimmonique Donelson, Lingfei Wang, Ghislain Breton, George G Rodney, Jin Wang, Kendal D Hirschi, Xander H T Wehrens, Paul A Nakata

Children’s Nutrition Research Center Staff Publications

Obesity is often associated with metabolic dysregulation and oxidative stress with the latter serving as a possible unifying link between obesity and cardiovascular complications. Glutaredoxins (Grxs) comprise one of the major antioxidant systems in the heart. Although Grx3 has been shown to act as an endogenous negative regulator of cardiac hypertrophy and heart failure, its metabolic impact on cardiac function in diet-induced obese (DIO) mice remains largely unknown. In the present study, analysis of Grx3 expression indicated that Grx3 protein levels, but not mRNA levels, were significantly increased in the hearts of DIO mice. Cardiac-specific Grx3 deletion (Grx3 CKO) mice …


Wearable Activity Tracking Device Use In An Adolescent Weight Management Clinic: A Randomized Controlled Pilot Trial, Kanika Bowen-Jallow, Omar Nunez-Lopez, Alex Wright, Erika Fuchs, Mollie Ahn, Elizabeth Lyons, Daniel Jupiter, Lindsey Berry, Oscar Suman, Ravi S Radhakrishnan, Andrea M Glaser, Deborah I Thompson Jan 2021

Wearable Activity Tracking Device Use In An Adolescent Weight Management Clinic: A Randomized Controlled Pilot Trial, Kanika Bowen-Jallow, Omar Nunez-Lopez, Alex Wright, Erika Fuchs, Mollie Ahn, Elizabeth Lyons, Daniel Jupiter, Lindsey Berry, Oscar Suman, Ravi S Radhakrishnan, Andrea M Glaser, Deborah I Thompson

Children’s Nutrition Research Center Staff Publications

Background: The use of physical activity tracker devices has increased within the general population. However, there is limited medical literature studying the efficacy of such devices in adolescents with obesity. In this study, we explored the feasibility of using wearable activity tracking devices as an adjunct intervention on adolescents with obesity.

Methods: Randomized controlled pilot trial evaluated the feasibility (attrition ≤50%) of an activity tracking intervention (ATI) and its effects on weight loss in adolescents with obesity enrolled in an adolescent weight management clinic (AWMC). Outcomes included feasibility (attrition rate) and absolute change in BMI. Differences between groups at 6, …


Associations Between Lipoprotein Subfractions And Area And Density Of Abdominal Muscle And Intermuscular Adipose Tissue: The Multi-Ethnic Study Of Atherosclerosis, Megan M Marron, Matthew Allison, Alka M Kanaya, Britta Larsen, Alexis C Wood, David Herrington, Philip Greenland, Iva Miljkovic Jan 2021

Associations Between Lipoprotein Subfractions And Area And Density Of Abdominal Muscle And Intermuscular Adipose Tissue: The Multi-Ethnic Study Of Atherosclerosis, Megan M Marron, Matthew Allison, Alka M Kanaya, Britta Larsen, Alexis C Wood, David Herrington, Philip Greenland, Iva Miljkovic

Children’s Nutrition Research Center Staff Publications

Skeletal muscle quantity and quality decrease with older age, which is partly attributed to ectopic fat infiltration and has negative metabolic consequences. To inform efforts to preserve skeletal muscle with aging, a better understanding of biologic correlates of quantity and quality of muscle and intermuscular adipose tissue (IMAT) is needed. We used targeted lipidomics of lipoprotein subfractions among 947 Multi-Ethnic Study of Atherosclerosis participants to provide a detailed metabolic characterization of area and density of abdominal muscle and IMAT. Serum lipoprotein subfractions were measured at the first visit using 1H-Nuclear Magnetic Resonance spectroscopy. Muscle and IMAT area (cm


A Computational Pipeline To Infer Alternative Poly-Adenylation From 3′ Sequencing Data, Hari Krishna Yalamanchili, Nathan D Elrod, Madeline K Jensen, Ping Ji, Ai Lin, Eric J Wagner, Zhandong Liu Jan 2021

A Computational Pipeline To Infer Alternative Poly-Adenylation From 3′ Sequencing Data, Hari Krishna Yalamanchili, Nathan D Elrod, Madeline K Jensen, Ping Ji, Ai Lin, Eric J Wagner, Zhandong Liu

Children’s Nutrition Research Center Staff Publications

An increasing number of investigations have established alternative polyadenylation (APA) as a key mechanism of gene regulation through altering the length of 3' untranslated region (UTR) and generating distinct mRNA termini. Further, appreciation for the significance of APA in disease contexts propelled the development of several 3' sequencing techniques. While these RNA sequencing technologies have advanced APA analysis, the intrinsic limitation of 3' read coverage and lack of appropriate computational tools constrain precise mapping and quantification of polyadenylation sites. Notably, Poly(A)-ClickSeq (PAC-seq) overcomes limiting factors such as poly(A) enrichment and 3' linker ligation steps using click-chemistry. Here we provide an …


Food/Non-Food Classification Of Real-Life Egocentric Images In Low- And Middle-Income Countries Based On Image Tagging Features, Guangzong Chen, Wenyan Jia, Yifan Zhao, Zhi-Hong Mao, Benny Lo, Alex K Anderson, Gary Frost, Modou L Jobarteh, Megan A Mccrory, Edward Sazonov, Matilda Steiner-Asiedu, Richard S Ansong, Thomas Baranowski, Lora Burke, Mingui Sun Jan 2021

Food/Non-Food Classification Of Real-Life Egocentric Images In Low- And Middle-Income Countries Based On Image Tagging Features, Guangzong Chen, Wenyan Jia, Yifan Zhao, Zhi-Hong Mao, Benny Lo, Alex K Anderson, Gary Frost, Modou L Jobarteh, Megan A Mccrory, Edward Sazonov, Matilda Steiner-Asiedu, Richard S Ansong, Thomas Baranowski, Lora Burke, Mingui Sun

Children’s Nutrition Research Center Staff Publications

Malnutrition, including both undernutrition and obesity, is a significant problem in low- and middle-income countries (LMICs). In order to study malnutrition and develop effective intervention strategies, it is crucial to evaluate nutritional status in LMICs at the individual, household, and community levels. In a multinational research project supported by the Bill & Melinda Gates Foundation, we have been using a wearable technology to conduct objective dietary assessment in sub-Saharan Africa. Our assessment includes multiple diet-related activities in urban and rural families, including food sources (e.g., shopping, harvesting, and gathering), preservation/storage, preparation, cooking, and consumption (e.g., portion size and nutrition analysis). …


On The Joint Role Of Non-Hispanic Black Race/Ethnicity And Weight Status In Predicting Postmenopausal Weight Gain, Christopher N Ford, Shine Chang, Alexis C Wood, Joann E Manson, David O Garcia, Helena Laroche, Chloe E Bird, Mara Z Vitolins Jan 2021

On The Joint Role Of Non-Hispanic Black Race/Ethnicity And Weight Status In Predicting Postmenopausal Weight Gain, Christopher N Ford, Shine Chang, Alexis C Wood, Joann E Manson, David O Garcia, Helena Laroche, Chloe E Bird, Mara Z Vitolins

Children’s Nutrition Research Center Staff Publications

Objectives: To determine how baseline weight status contributes to differences in postmenopausal weight gain among non-Hispanic Blacks (NHBs) and non-Hispanic Whites (NHWs).

Methods: Data were included from 70,750 NHW and NHB postmenopausal women from the Women's Health Initiative Observational Study (WHI OS). Body Mass Index (BMI) at baseline was used to classify women as having normal weight, overweight, obese class I, obese class II or obese class III. Cox proportional hazards was used to estimate the hazard of a 10% or more increase in weight from baseline.

Results: In both crude and adjusted models, NHBs were more likely to experience …


Gut Microbiota Profiles Of Young South Indian Children: Child Sex-Specific Relations With Growth, Nirupama Shivakumar, Ambily Sivadas, Sarita Devi, Farook Jahoor, John Mclaughlin, Craig P Smith, Anura V Kurpad, Arpita Mukhopadhyay Jan 2021

Gut Microbiota Profiles Of Young South Indian Children: Child Sex-Specific Relations With Growth, Nirupama Shivakumar, Ambily Sivadas, Sarita Devi, Farook Jahoor, John Mclaughlin, Craig P Smith, Anura V Kurpad, Arpita Mukhopadhyay

Children’s Nutrition Research Center Staff Publications

Gut microbiota has been implicated as a modifier of childhood growth. Here, 16S rRNA sequencing-based fecal microbiota profiles of 18-24 month old Indian children were evaluated (n = 41), in relation to their anthropometric parameters, intestinal permeability, body composition and total energy expenditure. Pathway analyses were conducted to assess microbial functions related to stunting, underweight and wasting. The fecal microbiota was enriched in Prevotella 9, Bifidobacterium and Escherichia-Shigella. Weight, weight-for-age Z-scores (WAZ) and weight-for-length Z-scores (WLZ), along with age, acted as covariates of microbiota variation specifically in boys (n = 23). Bifidobacterium longum subsp longum abundance was positively associated with …


Are The Criteria Always Right? Assessment Of Hepatocellular Carcinoma Cases In Livingdonor Liver Transplantation At A High-Volume Center, Yücel Yankol, Gülteki̇n Hoş, Turan Kanmaz, Nesi̇mi̇ Meci̇t, Yilmaz Çakaloğlu, Münci̇ Kalayoğlu, Koray Sadik Acarli Jan 2021

Are The Criteria Always Right? Assessment Of Hepatocellular Carcinoma Cases In Livingdonor Liver Transplantation At A High-Volume Center, Yücel Yankol, Gülteki̇n Hoş, Turan Kanmaz, Nesi̇mi̇ Meci̇t, Yilmaz Çakaloğlu, Münci̇ Kalayoğlu, Koray Sadik Acarli

Turkish Journal of Medical Sciences

Background/aim: With the increased experience in living donor liver transplantation (LDLT), it has been adopted for the treatment of hepatocellular carcinoma (HCC), with emerging discussions of criteria beyond tumor size and number. In contrast to deceased donor liver transplantation (DDLT), recipient selection for LDLT is not limited by organ allocation systems. We discuss herein the assessment, criteria, and experience with liver transplantation (LT) in HCC cases at a high-volume LDLT center. Material and methods: Between August 2006 and December 2017, 191 adult LT HCC recipients with at least one-year follow-up were retrospectively analyzed. Results: In 191 patients, one-, three- and …


Translation And Validation Of A Turkish Version Of The Xerostomia Inventory Xi Inpatients With Primary Sjögren's Syndrome, Bi̇lge Başakci Çalik, Eli̇f Gür Kabul, Ayli̇n Keski̇n, Si̇nem Bozcuk, Hande Şenol, Veli̇ Çobankara Jan 2021

Translation And Validation Of A Turkish Version Of The Xerostomia Inventory Xi Inpatients With Primary Sjögren's Syndrome, Bi̇lge Başakci Çalik, Eli̇f Gür Kabul, Ayli̇n Keski̇n, Si̇nem Bozcuk, Hande Şenol, Veli̇ Çobankara

Turkish Journal of Medical Sciences

Background/aim: The aim of this study was to assess the reliability and validity of Turkish version of the Xerostomia Inventory XI in patients with primary Sjögren's syndrome (pSS). Materials and methods: A cross-sectional survey study design and analysis were used to assess the reliability and validity of the Xerostomia Inventory XI. A total of 69 patients with pSS (5 males, 64 females; mean age = 54.81 ± 8.77 years) were included. The Xerostomia Inventory XI (TR) was applied twice at an interval of 15 days. The test-retest reliability was assessed with the intraclass correlation coefficient (ICC), and the internal consistency …


The Effect Of Comorbidity On Mortality In Elderly Patients Undergoing Emergencyabdominal Surgery: A Systematic Review And Metaanalysis, Fadi̇me Çinar, Göknur Parlak, Fatma Eti̇ Aslan Jan 2021

The Effect Of Comorbidity On Mortality In Elderly Patients Undergoing Emergencyabdominal Surgery: A Systematic Review And Metaanalysis, Fadi̇me Çinar, Göknur Parlak, Fatma Eti̇ Aslan

Turkish Journal of Medical Sciences

Background/aim: With the increase in the elderly population, the elderly proportion needing emergency surgery is also increasing. Despite medical advances in surgery and anesthesia, negative postoperative outcomes and high mortality rates are still present in elderly patients undergoing emergency surgery. Comorbidities are described as the main determining factors in poor outcomes. In this metaanalysis, it was aimed to investigate the effect of comorbidity on mortality in elderly patients undergoing emergency abdominal surgery. Materials and methods: The studies published between 2010-2019 were scanned from databases of Google Scholar, Cinahl, Pub Med, Medline and Web of Science. Quality criteria proposed by Polit …


Distinct Cellular Profiles Of Hif1a And Vegf Mrna Localization In Microglia, Astrocytes And Neurons During A Period Of Vascular Maturation In The Auditory Brainstem Of Neonate Rats, Daphne Chang, Quetanya Brown, Grace Tsui, Ye He, Jia Liu, Lingyan Shi, Adrián Rodríguez-Contreras Jan 2021

Distinct Cellular Profiles Of Hif1a And Vegf Mrna Localization In Microglia, Astrocytes And Neurons During A Period Of Vascular Maturation In The Auditory Brainstem Of Neonate Rats, Daphne Chang, Quetanya Brown, Grace Tsui, Ye He, Jia Liu, Lingyan Shi, Adrián Rodríguez-Contreras

Advanced Science Research Center

Defining the relationship between vascular development and the expression of hypoxia-inducible factors (Hifs) and vascular endothelial growth factor (Vegf) in the auditory brainstem is important to understand how tissue hypoxia caused by oxygen shortage contributes to sensory deficits in neonates. In this study, we used histology, molecular labeling, confocal microscopy and 3D image processing methods to test the hypothesis that significant maturation of the vascular bed in the medial nucleus of the trapezoid body (MNTB) occurs during the postnatal period that precedes hearing onset. Isolectin-B4 histochemistry experiments suggested that the MNTB vasculature becomes more elaborate between …


Effectiveness Of Take-Home Naloxone Programs In Athletic Training: An Evidence-To-Practice Review, Michael J. Palm, Amanda N. Flanscha, Zachary K. Winkelmann Jan 2021

Effectiveness Of Take-Home Naloxone Programs In Athletic Training: An Evidence-To-Practice Review, Michael J. Palm, Amanda N. Flanscha, Zachary K. Winkelmann

Clinical Practice in Athletic Training

The number of opioid overdoses (ODs) has risen in recent years and has become more complex due to the co-involvement of both prescription and illicit opioid drug use. Provisional programs for take-home naloxone (a medication designed to rapidly reverse opiate OD symptoms) kits have been distributed to combat this potentially fatal epidemic. Although there is strong evidence to support the efficacy of naloxone in the reversal of opiate OD, there is limited evidence to support the efficacy of take-home naloxone (THN) kits. The purpose of this evidence-to-practice review was to summarize a systematic review on the efficacy of THN programs. …


Morphological Analysis And Morphometry Of The Occipital Condyle And Its Relation To Surrounding Structures: Implication In Craniovertebral Junction Surgery, Pakpoom Thintharua Jan 2021

Morphological Analysis And Morphometry Of The Occipital Condyle And Its Relation To Surrounding Structures: Implication In Craniovertebral Junction Surgery, Pakpoom Thintharua

Chulalongkorn University Theses and Dissertations (Chula ETD)

Anatomical knowledge of the occipital condyle (OC) and its relationships to surrounding structures is important for avoiding injury during craniovertebral junction (CVJ) surgeries such as the far lateral approach (FLA). Therefore, this study was conducted to evaluate the morphology and morphometry of OC and its relationship to digastric point (DP), foramen magnum (FM), jugular foramen (JF), and hypoglossal canal (HC). The study was performed on 100 dry skulls. Oval-like condyle was the most common OC shape, representing for 33.0% of all samples. The OC protruded into FM in 31.5 %. The average length, width and height of the OC were …


Physician Knowledge, Attitudes, And Behaviors Towards Registered Dietitian Nutritionists, Amy Motley Jones Jan 2021

Physician Knowledge, Attitudes, And Behaviors Towards Registered Dietitian Nutritionists, Amy Motley Jones

UNF Graduate Theses and Dissertations

Diet is increasingly linked with overall quality of life, and a healthy diet is now being considered one of the cornerstones of preventative care. Physicians rely on Registered Dietitian Nutritionists (RDNs) as most doctors lack the nutrition knowledge to properly treat their patients, especially during their residency. Little published information exists on the specific collaboration of RDNs and resident physicians. This study aimed to determine whether mentoring with an RDN increased physician nutrition knowledge, increased consults to RDNs, and whether physician attitudes improved regarding their understanding of the role of the RDN in healthcare. Knowledge or attitude alone are not …


Development, Validity And Reliability Study Of A Compliance Scale For The Covid-19 Outbreak Prevention Recommendations, Eli̇f Köse, Esra Yazici, Ahmet Bülent Yazici, Abdülkadi̇r Aydin, Hasan Çeti̇n Ekerbi̇çer, Oğuz Karabay Jan 2021

Development, Validity And Reliability Study Of A Compliance Scale For The Covid-19 Outbreak Prevention Recommendations, Eli̇f Köse, Esra Yazici, Ahmet Bülent Yazici, Abdülkadi̇r Aydin, Hasan Çeti̇n Ekerbi̇çer, Oğuz Karabay

Turkish Journal of Medical Sciences

Background/aim: During the intense periods of the COVID-19 pandemic, legal measures were taken for its containment. However, since legal precautions cannot be implemented continuously, hand washing, mask usage and obeying social distance rules are important in combating the pandemic. Complying with these rules is mostly individual decisions. The behavior of individuals has a prominent place in the course of the pandemic. In this study, we aimed to develop a scale which could measure compliance with outbreak measures. Materials and methods: This study was conducted in two stages after evaluation of the content validity of the item pool formed by the …


Assessment Of Psychometric Properties, Cross-Cultural Adaptation, And Translation Of Theturkish Version Of The Icu Mobility Scale, İsmai̇l Özsoy, Buse Özcan Kahraman, Turhan Kahraman, Ayli̇n Tanriverdi̇, Serap Acar, Ebru Özpeli̇t, Bi̇hter Şentürk, Bahri̇ Akdeniz, Sema Savci Jan 2021

Assessment Of Psychometric Properties, Cross-Cultural Adaptation, And Translation Of Theturkish Version Of The Icu Mobility Scale, İsmai̇l Özsoy, Buse Özcan Kahraman, Turhan Kahraman, Ayli̇n Tanriverdi̇, Serap Acar, Ebru Özpeli̇t, Bi̇hter Şentürk, Bahri̇ Akdeniz, Sema Savci

Turkish Journal of Medical Sciences

Background/aim: The aim of the study was to carry out the cultural adaptation and translation of the ICU mobility scale (IMS) into Turkish and research the psychometric properties. Materials and methods: This study was based on methodological design. The IMS was translated from English to the Turkish through a regularised translation process. Two physiotherapists assessed patients independently in the coronary intensive care unit. The measures such as construct validity, intra and interrater reliability, and internal consistency of the IMS Turkish version were assessed. Results: A total of 70 intensive care patients were included in the study. The intrarater and interrater …


The Histopathological Effects Of Reabsorbable Polyethylene Glycol Hydrogel (Coseal) Onepidural Fibrosis In An Experimental Postlaminectomy Model In Rats, Emrah Keski̇n, Hasan Ali̇ Aydin, Murat Kalayci, Emre Işik, Utku Özgen, Kenan Şi̇mşek, Deni̇z Baklaci, Mertol Gökçe Jan 2021

The Histopathological Effects Of Reabsorbable Polyethylene Glycol Hydrogel (Coseal) Onepidural Fibrosis In An Experimental Postlaminectomy Model In Rats, Emrah Keski̇n, Hasan Ali̇ Aydin, Murat Kalayci, Emre Işik, Utku Özgen, Kenan Şi̇mşek, Deni̇z Baklaci, Mertol Gökçe

Turkish Journal of Medical Sciences

Background/aim: To investigate the histopathological effects of reabsorbable polyethylene glycol hydrogel (RPGH, Coseal) on epidural fibrosis (EF) following laminectomy in rats. Materials and methods: A total of 24 rats were equally divided into three groups. In the first group, no treatment was applied after laminectomy (control group, Group 1). In the second group, hemostasis was achieved after laminectomy, and 2 mm absorbable gelatin sponge soaked in saline was placed over the epidural space and the wound was closed (Group 2). In the third group, hemostasis was achieved following laminectomy, and 0.5 mL RPGH (Coseal, Group 3) was squeezed over the …


Sars-Cov-2 Associated Rhabdomyolysis In 32 Patients, Josef Finsterer, Fulvio Scorza Jan 2021

Sars-Cov-2 Associated Rhabdomyolysis In 32 Patients, Josef Finsterer, Fulvio Scorza

Turkish Journal of Medical Sciences

Background/aim: This mini-review aims at summarising and discussing previous and recent findings concerning the clinical manifestations, therapeutic management, and outcome of SARS-CoV-2 associated rhabdomyolysis. Materials and methods: Literature search in the PubMed database by applying appropriate search terms. Results: A total of 26 articles reporting SARS-CoV-2 associated rhabdomyolysis in 32 patients were identified. Age ranged from 16 to 80 years. Four patients were female and 25 were male. Onset of rhabdomyolysis was prior to onset of COVID-19 in 7 patients, and after onset of COVID-19 in the remaining patients. Exposure to myotoxic medication was identified in 18 patients. Myotoxic drugs …


Which Hematological Markers Have Predictive Value As Early Indicators Of Severecovid-19 Cases In The Emergency Department?, İshak Şan, Emi̇n Gemci̇oğlu, Mehmet Davutoğlu, Rami̇s Çatalbaş, Berkan Karabuğa, Enes Kaptan, Abdulsamet Erden, Orhan Küçükşahi̇n, İhsan Ateş, Selma Karaahmetoğlu, İmran Hasanoğlu, Osman İnan, Büşra Nur Ünal, Ecem Erdemi̇r, Fati̇h Ahmet Kahraman Jan 2021

Which Hematological Markers Have Predictive Value As Early Indicators Of Severecovid-19 Cases In The Emergency Department?, İshak Şan, Emi̇n Gemci̇oğlu, Mehmet Davutoğlu, Rami̇s Çatalbaş, Berkan Karabuğa, Enes Kaptan, Abdulsamet Erden, Orhan Küçükşahi̇n, İhsan Ateş, Selma Karaahmetoğlu, İmran Hasanoğlu, Osman İnan, Büşra Nur Ünal, Ecem Erdemi̇r, Fati̇h Ahmet Kahraman

Turkish Journal of Medical Sciences

Background/aim: Coronavirus 2019 disease (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is a pandemic infectious disease that causes morbidity and mortality. As a result of high mortality rate among the severe COVID-19 patients, the early detection of the disease stage and early effective interventions are very important in reducing mortality. Hence, it is important to differentiate severe and nonsevere cases from each other. To date, there are no proven diagnostic or prognostic parameters that can be used in this manner. Due to the expensive and not easily accessible tests that are performed for COVID-19, researchers are investigating …


The Investigation Of Adrenal Involvement In Carbapenem Resistant Acinetobacterbaumannii Sepsis: Experimental Mouse Model, Esma Eryilmaz Eren, Gökçen Di̇nç, Olgun Kontaş, Emi̇ne Alp Meşe, Mehmet Doğanay Jan 2021

The Investigation Of Adrenal Involvement In Carbapenem Resistant Acinetobacterbaumannii Sepsis: Experimental Mouse Model, Esma Eryilmaz Eren, Gökçen Di̇nç, Olgun Kontaş, Emi̇ne Alp Meşe, Mehmet Doğanay

Turkish Journal of Medical Sciences

Background/aim: In the last years, incidence of carbapenem resistant Acinetobacter baumannii sepsis is increasing with high mortality. However, it is not clear whether this is due to inadequate antimicrobial choice or a more severe clinical course. We aimed to evaluate the inflammation and adrenal involvement in the carbapenem resistant A. baumannii by using experimental mouse model sepsis. Materials and methods: Balb/c female mice were randomly put into control and three sepsis groups (A. baumannii susceptible to carbapenem-CSAB-, A. baumannii resistant to carbapenem-CRAB-, Escherichia coli). A total of sixty mice were included in this study with each group having 15 mice. …


Intrapulmonary Administration Of Purified Neil2 Abrogates Nf-Κb-Mediated Inflammation, Nisha Tapryal, Shandy Shahabi, Anirban Chakraborty, Koa Hosoki, Maki Wakamiya, Gobinda Sarkar, Gulshan Sharma, Victor J Cardenas, Istvan Boldogh, Sanjiv Sur, Gourisankar Ghosh, Tapas K Hazra Jan 2021

Intrapulmonary Administration Of Purified Neil2 Abrogates Nf-Κb-Mediated Inflammation, Nisha Tapryal, Shandy Shahabi, Anirban Chakraborty, Koa Hosoki, Maki Wakamiya, Gobinda Sarkar, Gulshan Sharma, Victor J Cardenas, Istvan Boldogh, Sanjiv Sur, Gourisankar Ghosh, Tapas K Hazra

Faculty, Staff and Students Publications

Aberrant or constitutive activation of nuclear factor kappa B (NF-κB) contributes to various human inflammatory diseases and malignancies via the upregulation of genes involved in cell proliferation, survival, angiogenesis, inflammation, and metastasis. Thus, inhibition of NF-κB signaling has potential for therapeutic applications in cancer and inflammatory diseases. We reported previously that Nei-like DNA glycosylase 2 (NEIL2), a mammalian DNA glycosylase, is involved in the preferential repair of oxidized DNA bases from the transcriptionally active sequences via the transcription-coupled base excision repair pathway. We have further shown that Neil2-null mice are highly sensitive to tumor necrosis factor α (TNFα)- and lipopolysaccharide-induced …