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- 1.6 BIOLOGICAL SCIENCES (2)
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Articles 1 - 7 of 7
Full-Text Articles in Organisms
Comparative Genomic Analysis Of Two Serotype 1/2b Listeria Monocytogenes Isolates From Analogous Environmental Niches Demonstrates The Influence Of Hypervariable Hotspots In Defining Pathogenesis, Aidan Casey, Kieran Jordan, Aidan Coffey, Edward M. Fox, Olivia Mcauliffe
Comparative Genomic Analysis Of Two Serotype 1/2b Listeria Monocytogenes Isolates From Analogous Environmental Niches Demonstrates The Influence Of Hypervariable Hotspots In Defining Pathogenesis, Aidan Casey, Kieran Jordan, Aidan Coffey, Edward M. Fox, Olivia Mcauliffe
Department of Biological Sciences Publications
The vast majority of clinical human listeriosis cases are caused by serotype 1/2a, 1/2b, 1/2c, and 4b isolates of Listeria monocytogenes. The ability of L. monocytogenes to establish a systemic listeriosis infection within a host organism relies on a combination of genes that are involved in cell recognition, internalization, evasion of host defenses, and in vitro survival and growth. Recently, whole genome sequencing and comparative genomic analysis have proven to be powerful tools for the identification of these virulence-associated genes in L. monocytogenes. In this study, two serotype 1/2b strains of L. monocytogenes with analogous isolation sources, but …
Changing Diagnostic Methods And Increased Detection Of Verotoxigenic Escherichia Coli, Ireland, Thomas Rice, Noreen Quinn, Roy D. Sleator, Brigid Lucey
Changing Diagnostic Methods And Increased Detection Of Verotoxigenic Escherichia Coli, Ireland, Thomas Rice, Noreen Quinn, Roy D. Sleator, Brigid Lucey
Department of Biological Sciences Publications
The recent paradigm shift in infectious disease diagnosis from culture-based to molecular-based approaches is exemplified in the findings of a national study assessing the detection of verotoxigenic Escherichia coli infections in Ireland. The methodologic changes have been accompanied by a dramatic increase in detections of non-O157 verotoxigenic E. coli serotypes.
Surveillance, Epidemiological, And Virological Detection Of Highly Pathogenic H5n1 Avian Influenza Viruses In Duck And Poultry From Bangladesh, Wahedul Karim Ansari, Md Safiullah Parvej, Mohamed E. El Zowalaty, Sally Jackson, Stephen A. Bustin, Adel K. Ibrahim, Md Tanvir Rahman, Han Zhang, Mohammad Ferdousur Rahman Khan, Md Mostakin Ahamd, Md. Fasiur Rahman, Marzia Rahman, Khm Nazmul H. Nazir, Sultan Ahmed, Md Liakot Hossenn, Md Abdul Kafi, Mat Yamage, Nitish C. Debnath, Graba Ahmed, Hossam Ashour, Md Masoud, Ayman Noreddin, Md B. Rahman
Surveillance, Epidemiological, And Virological Detection Of Highly Pathogenic H5n1 Avian Influenza Viruses In Duck And Poultry From Bangladesh, Wahedul Karim Ansari, Md Safiullah Parvej, Mohamed E. El Zowalaty, Sally Jackson, Stephen A. Bustin, Adel K. Ibrahim, Md Tanvir Rahman, Han Zhang, Mohammad Ferdousur Rahman Khan, Md Mostakin Ahamd, Md. Fasiur Rahman, Marzia Rahman, Khm Nazmul H. Nazir, Sultan Ahmed, Md Liakot Hossenn, Md Abdul Kafi, Mat Yamage, Nitish C. Debnath, Graba Ahmed, Hossam Ashour, Md Masoud, Ayman Noreddin, Md B. Rahman
Pharmacy Faculty Articles and Research
Avian influenza viruses (AIVs) continue to pose a global threat. Waterfowl are the main reservoir and are responsible for the spillover of AIVs to other hosts. This study was conducted as part of routine surveillance activities in Bangladesh and it reports on the serological and molecular detection of H5N1 AIV subtype. A total of 2169 cloacal and 2191 oropharyngeal swabs as well as 1725 sera samples were collected from live birds including duck and chicken in different locations in Bangladesh between the years of 2013 and 2014. Samples were tested using virus isolation, serological tests and molecular methods of RT-PCR. …
Programming Heart Disease: Does Poor Maternal Nutrition Alter Expression Of Cardiac Markers Of Proliferation, Hypertrophy, And Fibrosis In Offspring?, Cathy Chun
Honors Scholar Theses
Maternal malnutrition can affect fetal organogenesis, metabolic processes, and factors involved in developmental regulation. Of the many physiological effects poor maternal nutrition can induce in offspring, one of the most important organs affected is the heart. Cardiovascular disease has been associated with poor maternal diet. It also been suggested that hypertension can originate during impaired intrauterine growth and development. Hypertension can trigger hypertensive heart disease and is associated with numerous heart complications. We hypothesized that poor maternal nutrition would alter critical growth factors associated with normal heart development, specifically, insulin-like growth factor (IGF)-1, IGF-2, transforming growth factor (TGF)β, and connective …
Molecular Mechanisms Of Suberoylanilide Hydroxamic Acid In The Inhibition Of Tgf-Β1-Mediated Canine Corneal Fibrosis, Kristina M. Gronkiewicz, Elizabeth A. Giuliano, Ajay Sharma, Rajiv R. Mohan
Molecular Mechanisms Of Suberoylanilide Hydroxamic Acid In The Inhibition Of Tgf-Β1-Mediated Canine Corneal Fibrosis, Kristina M. Gronkiewicz, Elizabeth A. Giuliano, Ajay Sharma, Rajiv R. Mohan
Pharmacy Faculty Articles and Research
Objective—To investigate molecular mechanisms mediating anti-fibrotic effect of SAHA in the canine cornea using an in vitro model. We hypothesized that SAHA attenuates corneal fibrosis by modulating Smad-dependent and, to a lesser extent, Smad-independent signaling pathways activated by TGF-β1, as well as matrix metalloproteinase (MMP) activity.
Methods—Cultured canine corneal fibroblasts (CCF) were incubated in the presence/absence of TGF-β1 (5ng/ml) and SAHA (2.5μM) for 24hrs. Western blot analysis was used to quantify non-phosphorylated and phosphorylated isoforms of Smad2/3, p38 MAP kinase (MAPK), ERK1/2 and JNK1. Real-time PCR and zymography were utilized to quantify MMP1, MMP2, MMP8 and MMP9 mRNA expression and …
Development Of A Novel In Vivo Corneal Fibrosis Model In The Dog, K. M. Gronkiewicz, Elizabeth A. Giuliano, K. Kuroki, F. Bunyak, Ajay Sharma, L. B. C. Teixeira, C. W. Hamm, R. R. Mohan
Development Of A Novel In Vivo Corneal Fibrosis Model In The Dog, K. M. Gronkiewicz, Elizabeth A. Giuliano, K. Kuroki, F. Bunyak, Ajay Sharma, L. B. C. Teixeira, C. W. Hamm, R. R. Mohan
Pharmacy Faculty Articles and Research
The aim of this study was to develop a novel in vivo corneal model of fibrosis in dogs utilizing alkali burn and determine the ability of suberanilohydroxamic acid (SAHA) to inhibit corneal fibrosis using this large animal model. To accomplish this, we used seven research Beagle dogs. An axial corneal alkali burn in dogs was created using 1 N NaOH topically. Six dogs were randomly and equally assigned into 2 groups: A) vehicle (DMSO, 2 μL/mL); B) anti-fibrotic treatment (50 μM SAHA). The degree of corneal opacity, ocular health, and anti-fibrotic effects of SAHA were determined utilizing the Fantes grading …
Epigenetic Modification Prevents Excessive Wound Healing And Scar Formation After Glaucoma Filtration Surgery, Ajay Sharma, Govindaraj Anumanthan, Marcos Reyes, Huiyi Chen, Jason W. Brubaker, Saad Siddiqui, Suneel Gupta, Frank G. Rieger, Rajiv R. Mohan
Epigenetic Modification Prevents Excessive Wound Healing And Scar Formation After Glaucoma Filtration Surgery, Ajay Sharma, Govindaraj Anumanthan, Marcos Reyes, Huiyi Chen, Jason W. Brubaker, Saad Siddiqui, Suneel Gupta, Frank G. Rieger, Rajiv R. Mohan
Pharmacy Faculty Articles and Research
PURPOSE. The purpose of this study was to determine the efficacy of suberoylanilide hydroxamic acid (SAHA), a histone deacetylase inhibitor (HDACi), in prevention of excessive wound healing and scar formation in a rabbit model of glaucoma filtration surgery (GFS).
METHODS. A rabbit model of GFS was used. Rabbits that underwent GFS received balanced salt solution, or SAHA (50 lM), or mitomycin C (0.02%). Clinical scores of IOP, bleb vascularity, and slit-lamp examination were performed. On postoperative day 14, rabbits were killed and the bleb tissues were collected for evaluation of tissue fibrosis with hematoxylin and eosin, Masson trichrome, a-smooth muscle …