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Articles 61 - 64 of 64
Full-Text Articles in Molecular Biology
Extracullular Atp Regulates Il-1beta Release From Microglial Cells Via Purinergic Receptor After In Vitro Trauma, Chengya Liang
Extracullular Atp Regulates Il-1beta Release From Microglial Cells Via Purinergic Receptor After In Vitro Trauma, Chengya Liang
Electronic Theses and Dissertations
Traumatic brain injury (TBI) induces a state of microglialactivation, which includes upregulation of macrophage functions and release inflammatory mediators such as certain inflammatory cytokines. Current literature suggests that interleukin-1Beta is an important cytokine mediator, which is dramatically increased after brain injury. Previous studies indicate that ATP is released by traumatically injured astrocytes and serves as a cell-to-cell mediator through purinergic receptors after in vitro injury. However, the mechanism of interleukin-1Beta release after traumatic brain injury remains poorly defined and is difficult to study using in vivo models. Using an in vitro model for traumatic brain injury (cell strain or stretch), …
Evaluation Of Immunogenicity Of Transgenic Chloroplast Derived Protect, Vijay Koya
Evaluation Of Immunogenicity Of Transgenic Chloroplast Derived Protect, Vijay Koya
Electronic Theses and Dissertations
Anthrax, a fatal bacterial infection is caused by Bacillus anthracis, a gram-positive, spore forming, capsulated, rod shaped organism. Centers for Disease Control (CDC) lists anthrax as Category A biological agent due to its severity of impact on human health, high mortality rate, acuteness of the disease and potential for delivery as a biological weapon. The currently available human vaccine in the United States (AVA anthrax vaccine adsorbed) is prepared from Alum adsorbed formalin treated supernatant culture of toxigenic, non-encapsulated strain of Bacillus anthracis with the principle component being protective antigen (PA83). Evaluation of anthrax vaccine given to nearly 400,000 US …
Survival Of Mycobacterium Avium Subspecies Paratuberculosis In The Pol, John Rumsey
Survival Of Mycobacterium Avium Subspecies Paratuberculosis In The Pol, John Rumsey
Electronic Theses and Dissertations
Mycobacterium avium subspecies paratuberculosis (map) is an intracellular pathogen that is known to parasitize macrophages and monocytes. Map infiltrates gastrointestinal tract host tissue where it is the known etiological agent of johne's disease in ruminants and implicated in the etiology of crohn's disease in humans. Map's ability to survive within macrophages enables it to disseminate throughout the rest of the host, possibly infecting other circulating blood leukocytes. In this study, the survival and fate of map strain atcc 43015 (human isolate) following phagocytosis was determined using in vitro murine macrophage cell line j774a.1 and polymorphonuclear cells (pmnc's) from five crohn's …
Moraxella (Branhamella) Catarrhalis: A Molecular Epidemiology Study, Lyndell R. Gill
Moraxella (Branhamella) Catarrhalis: A Molecular Epidemiology Study, Lyndell R. Gill
Electronic Theses and Dissertations
Moraxella (Branhamella) catarrhalis is the third-most-frequently isolated microorganism associated with acute exacerbations of chronic bronchitis in patients during their stay at the Mountain Home VA Medical Center (MHVAMC). In order to develop a practical, epidemiologically-meaningful typing method for M. (B.) catarrhalis, we tested two methods based on analysis of chromosomal DNA for typeability, reproducibility, and ability to differentiate between unrelated strains (discriminatory power, D). M. (B.) catarrhalis isolants from MHVAMC from 7/1/87-6/30/88 were grown overnight in broth and embedded in agarose. DNA was isolated by standard methods. The DNA was subjected to: (1) restriction endonuclease digestion (with either Bgl II …