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Bacterial Infections and Mycoses Commons™
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Articles 31 - 42 of 42
Full-Text Articles in Bacterial Infections and Mycoses
Filifactor Alocis: Resilience And Manipulation Against Neutrophil Effector Functions In A Dysbiotic Oral Environment., Max N. Rogers
Filifactor Alocis: Resilience And Manipulation Against Neutrophil Effector Functions In A Dysbiotic Oral Environment., Max N. Rogers
College of Arts & Sciences Senior Theses
Periodontitis is a multifactorial chronic inflammatory infectious disease that affects around 50% of the adult population in the USA. Neutrophils, which are the primary immune cells recruited to restore health at sites of infection, are profuse in the gingival space during oral infections. In a community-wide effort, pathogenic oral bacteria hijack neutrophil effector functions to evade killing, resulting in an uncontrollable inflammatory loop that leads into inflammation-mediated tissue injury. One of these harmful emerging oral pathogens, Filifactor alocis, has been shown to evade neutrophil killing and contribute to disease progression. The purpose of this study is to gain a …
The Emerging Oral Pathogen, Filifactor Alocis, Disrupts Neutrophil Functions To Enhance Survival And Dysregulate Inflammation., Irina Miralda Molina
The Emerging Oral Pathogen, Filifactor Alocis, Disrupts Neutrophil Functions To Enhance Survival And Dysregulate Inflammation., Irina Miralda Molina
Electronic Theses and Dissertations
Periodontitis is an irreversible, chronic inflammatory disease where pathogenic microbial communities accumulate in the gingival crevice. Advances in culture-independent techniques have facilitated the identification of new bacterial species in periodontal lesions, such as the Gram-positive anaerobe, Filifactor alocis. Neutrophils are a major component of the innate host response, and the outcome of their interaction with F. alocis may be a determinant of oral health status. While neutrophil functions typically protect the host against periodontal disease, oral pathogens have adapted to evade or disarm neutrophil microbicidal functions while promoting mechanisms that drive inflammation, which also provides a source of nutrients …
The Manipulation Of Host Transcription By The Ankh Effector Of Legionella., Juanita E. Von Dwingelo
The Manipulation Of Host Transcription By The Ankh Effector Of Legionella., Juanita E. Von Dwingelo
Electronic Theses and Dissertations
Legionella pneumophila is a Gram-negative facultative intracellular bacterium that can be found dispersed throughout freshwater environments, where it primarily parasitizes amoebae and other protozoan species. Humans are an accidental host for L. pneumophila, and infection occurs upon inhalation of aerosolized water droplets that contain the bacteria. L. pneumophila is the causative agent of Legionnaires’ Disease, which is the result of intracellular proliferation within alveolar macrophages. Pathogenesis of L. pneumophila is dependent on the Dot/Icm type 4 secretion system (T4SS) apparatus, which is comprised of 27 proteins and is responsible for translocating over 330 effector proteins into the host cell. Many …
Developments For The Treatment Of Invasive Infections Due To Multidrug-Resistant Acinetobacter Baumannii, David Laurent, Richard Drew, Dustin Wilson
Developments For The Treatment Of Invasive Infections Due To Multidrug-Resistant Acinetobacter Baumannii, David Laurent, Richard Drew, Dustin Wilson
The University of Louisville Journal of Respiratory Infections
Acinetobacter baumannii is a significant pathogen in healthcare settings (specifically prominent in healthcare- and ventilator-associated pneumonia) due primarily to its virulence and resistance to a wide variety of antimicrobial drug classes, including carbapenems (CRAB). Existing therapies (notably polymyxins, minocycline, tigecycline, amikacin, and sulbactam) often result in suboptimal tissue concentrations, high rates of toxicity, and increasing rates of resistance. Although utilizing combinations of antibiotics (specifically those containing colistin) have been employed, results have been mixed, and control trials are lacking. Eravacycline is a novel tetracycline with an improved pharmacokinetic profile and more potent activity against A. baumannii relative to tigecycline. Cefiderocol …
Treatment Of Podoconiosis With Complicating Polyinfections Within Rural African Villages: A Case Study, Amanda R. Beering, Abigail R. Florence, Soon Bahrami Md
Treatment Of Podoconiosis With Complicating Polyinfections Within Rural African Villages: A Case Study, Amanda R. Beering, Abigail R. Florence, Soon Bahrami Md
Journal of Refugee & Global Health
This case study aims to provide a treatment plan for the treatment of podoconiosis with complicating polyinfections in a resource poor setting. A second objective is to help healthcare providers teach preventive measures to villagers in affected regions.
Transmissible Dermatological Diseases Affecting Syrian Refugees In Lebanon, Nisrine Kawa, Edith Hanna, Abdul Rahman Bizri
Transmissible Dermatological Diseases Affecting Syrian Refugees In Lebanon, Nisrine Kawa, Edith Hanna, Abdul Rahman Bizri
Journal of Refugee & Global Health
The Syrian war led many to seek shelter in Lebanon, creating a major refugee crisis. Displaced populations in crowded unequipped settlements are vulnerable to infectious diseases. The burden and incidence of various transmissible skin conditions affecting Syrian refugees in Lebanon and their impact on the Lebanese public health system were evaluated. Literature regarding these conditions among Syrian refugees in host countries, and epidemiological data from the Lebanese Ministry of Public Health Surveillance Unit and primary health-care network were reviewed. Lebanon has witnessed skin disorder outbreaks associated with the Refugee crisis, mainly leishmaniasis, scabies and lice infestations with little data about …
Coping With Chronic Fungal Rhinosinusitis: Diagnosis To Therapy, Veronica Corcino, Leslie Beavin, Shengli Lu, Ashley Ross, Carmen V. Sciortino Jr.
Coping With Chronic Fungal Rhinosinusitis: Diagnosis To Therapy, Veronica Corcino, Leslie Beavin, Shengli Lu, Ashley Ross, Carmen V. Sciortino Jr.
The University of Louisville Journal of Respiratory Infections
No abstract provided.
Nutritional Virulence Of Legionella Pneumophila., Ashley M. Best
Nutritional Virulence Of Legionella Pneumophila., Ashley M. Best
Electronic Theses and Dissertations
Legionella pneumophila is an environment organism that parasitizes a wide range of protozoa. Growth within the environmental host primes L. pneumophila for infection of human alveolar macrophages when contaminated aerosols are inhaled. Intracellular replication within either host requires the establishment a replicative niche, known as the Legionella-containing vacuole (LCV). Biogenesis of the LCV depends on the type IVb translocation system, the Dot/Icm, to translocation >320 effectors into the host cytosol. Effectors are responsible for preventing lysosome fusion to the LCV, recruitment of ER-derived vesicles to the LCV, and modulation of a plethora of host processes to promote the intracellular …
Analysis Of The Local And Systemic Cytokine Response Profiles In Patients With Community-Acquired Pneumonia. Relationship With Disease Severity And Outcomes., Rafael Fernandez-Botran, Timothy Lee Wiemken, Robert R. Kelley, Paula Peyrani, Jose Bordon, Rodrigo Cavallazzi, Julio A. Ramirez
Analysis Of The Local And Systemic Cytokine Response Profiles In Patients With Community-Acquired Pneumonia. Relationship With Disease Severity And Outcomes., Rafael Fernandez-Botran, Timothy Lee Wiemken, Robert R. Kelley, Paula Peyrani, Jose Bordon, Rodrigo Cavallazzi, Julio A. Ramirez
The University of Louisville Journal of Respiratory Infections
The goals of this study were to investigate the relationship of systemic and local cytokine responses with time to clinical stability (TCS) in patients with community-acquired pneumonia (CAP) and to develop a model to integrate multiple cytokine data into “cytokine response profiles” based on local vs. systemic and pro- vs. anti-inflammatory cytokine patterns in order to better understand their relationships with measures of CAP severity and outcomes. Forty hospitalized patients enrolled through the Community Acquired Pneumonia Inflammatory Study Group (CAPISG) were analyzed. Based on the ranked distribution of the levels of eight different pro-inflammatory cytokines and chemokines (IL-1b, IL-6, IL-8, …
Cost Of Care For Hospitalized Patients With Pulmonary Mycobacterial Diseases In The United States., Mary Beth Wells Allen
Cost Of Care For Hospitalized Patients With Pulmonary Mycobacterial Diseases In The United States., Mary Beth Wells Allen
Electronic Theses and Dissertations
Background: Pulmonary mycobacterial diseases describe both tuberculosis (TB) and nontuberculous mycobacteria (NTM). Few data are available measuring the cost burden of mycobacterial diseases on the national level. The purpose of this study was to evaluate the cost burden and measure emerging trends in hospitalization of pulmonary TB and NTM in the US from 2001 through 2012. Methods: This study was a retrospective community based cost analysis of hospitalized patients with a principal diagnosis of pulmonary mycobacterial diseases from 2001 through 2012. Data for pulmonary TB and NTM were retrieved from the Healthcare Cost and Utilization Project (HCUP), US Department of …
The Effect Of Interspecies Signaling On Stenotrophomonas Maltophilia Growth., Zachary Ethan Dickinson
The Effect Of Interspecies Signaling On Stenotrophomonas Maltophilia Growth., Zachary Ethan Dickinson
College of Arts & Sciences Senior Theses
Cystic fibrosis (CF) is a genetic disorder that effects over 70,000 people worldwide, and is particularly prevalent in those of Caucasian descent. CF increases susceptibility to chronic infections of the lungs and GI tract, often leading to decreased quality of life and early death to afflicted individuals. No cure is available, and so treatment is limited to treating the frequent infections that afflict CF patients. Several species of bacteria are commonly implicated in these infections, including Stenotrophomonas maltophilia. Infections of this species is of particular interest as it has been shown to be highly antibiotic resistant. This is a concern …
The Epidemiological Phase Of Syphilis Control In Louisville., Gradie Raymond Rowntree 1903-1993
The Epidemiological Phase Of Syphilis Control In Louisville., Gradie Raymond Rowntree 1903-1993
Electronic Theses and Dissertations
No abstract provided.