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Articles 1 - 7 of 7
Full-Text Articles in Medicine and Health Sciences
A Study Of The Anti-Inflammatory, Anti-Microbial And Immunomodulatory Properties Of Thalidomide In Leprosy, Azeb Tadesse Argaw
A Study Of The Anti-Inflammatory, Anti-Microbial And Immunomodulatory Properties Of Thalidomide In Leprosy, Azeb Tadesse Argaw
LSU Doctoral Dissertations
During the course of their disease, leprosy patients may experience two types of inflammatory reactions- erythema nodosum leprosum (ENL) or reversal reaction (RR). Thalidomide is effective treatment for ENL, but not for RR. Using concentrations of thalidomide similar to that achieved in the treatment of ENL, we investigated thalidomide’s effect on reactions, viability of M. leprae, and integrity of plasma membranes. Cells from patients with and without RR were stimulated with M. leprae (AFB), a cytosol fraction of M. leprae (MLSA) or DHAR (DHAR) antigen, and the effect of thalidomide on lymphocyte proliferation, expression of TNF-a mRNA and synthesis of …
Estimation Of The Effect Of Misclassifications On Diagnostic Test Performance In Two Persistent Bovine Viral Infections, Kimberly Orr
Estimation Of The Effect Of Misclassifications On Diagnostic Test Performance In Two Persistent Bovine Viral Infections, Kimberly Orr
LSU Doctoral Dissertations
Validation of diagnostic assay performance is hampered where no gold standard exists. Bayesian estimates of the sensitivity and specificity were applied to studies of two persistent bovine infections: bovine immunodeficiency virus (BIV), and bovine viral diarrhea virus (BVDV). BVDV pathogenesis is well described. Losses of $20 million in 1992 alone led the Danish government to mandate eradication. Two enzyme-linked immunosorbent assay (ELISA) tests were developed; one antibody-based to detect exposure, one antigen-based to detect persistent infection. Bayesian estimates of the sensitivity and specificity were 96.6% and 99.2%, and 98.2% and 99.8% for the antibody and antigen ELISA, respectively. Maximum Likelihood …
Investigations Into Dna Vaccination Against Channel Catfish Virus, Heather C. Harbottle
Investigations Into Dna Vaccination Against Channel Catfish Virus, Heather C. Harbottle
LSU Doctoral Dissertations
The leading viral killer of commercially produced channel catfish is Channel Catfish Virus (CCV). Studies conducted to evaluate DNA vaccination against CCV compared encoded gene, dose, multiple DNA vaccines, and immune response to vaccination. Genes were selected (ORFs 1 and 3 [immediate early genes], ORFs 6, 19, and 46 [membrane genes], and ORF59 [putative major envelope glycoprotein gene], cloned into a plasmid, and expressed in mammalian and fish cell culture to detect predicted molecular weight proteins. Plasmid vaccines were injected into fish muscle in doses of 50 μg, 25 μg, 5 μg, or 1 μg and efficacy was evaluated upon …
Developing Embryo Technologies For The Eland Antelope (Taurotragus Oryx), Gemechu G. Wirtu
Developing Embryo Technologies For The Eland Antelope (Taurotragus Oryx), Gemechu G. Wirtu
LSU Doctoral Dissertations
Assisted reproductive technologies developed in domestic cattle serve as a starting point in similar studies on nondomestic bovids. The common eland is a useful model species for studies on rare tragelaphine antelopes. In Chapter 3 of the present study, effects of components/attributes of protein-free embryo culture media on the in vitro development of in vitro-derived bovine embryos were evaluated. A 2 x 2 factorial study comparing effects of groups of amino acids (20aa or 11aa) in two base media (modified KSOM or BM-3) demonstrated that amino acids and base medium affected embryonic development. A subsequent 7 x 2 factorial experiment …
Isolation And Characterization Of Carbonic Anhydrase From Ostertagia Ostertagi, Andrew Allan Derosa
Isolation And Characterization Of Carbonic Anhydrase From Ostertagia Ostertagi, Andrew Allan Derosa
LSU Doctoral Dissertations
The first event in the infection process of Ostertagia ostertagi in cattle is the process of exsheathment. Before trichostrongylid nematodes can transition from a free-living infective stage larva (L3) on pasture to a parasitic existence within the ruminant host, it must first undergo exsheathment. Exsheathment is the process whereby the L2 cuticle retained from the previous molt is cast from the L3. Exsheathment enables the developmental transition from a free-living stage on pasture to a parasitic existence in the bovine host. For those species with a predilection site in the abomasum, such as O. ostertagi, …
Genetics And Functions Of Herpes Simplex Virus Type 1 Membrane Proteins In Virus-Induced Cell Fusion, Virion Morphogenesis And Egress, Jeffrey Michael Melancon
Genetics And Functions Of Herpes Simplex Virus Type 1 Membrane Proteins In Virus-Induced Cell Fusion, Virion Morphogenesis And Egress, Jeffrey Michael Melancon
LSU Doctoral Dissertations
The Herpes Simplex Virus life cycle contains a number of membrane fusion events that must function properly to ensure a productive infection, including: virus attachment and entry into susceptible cells, de-envelopment at the outer nuclear lamellae, and virus-induced cell-to-cell fusion. A virus-free cell fusion assay was recently developed in order to attempt to understand the underlying mechanisms that are responsible for viral fusion events and was utilized in order to investigate the effect of mutations targeted to the carboxyl terminus of gB. We showed that the predicted alpha helical domain H17b within the carboxyl-terminus of gB is involved in both …
Chromosomal Localization Of A Proinsulin Transgene Inserted With A Transposon-Based Vector Into Japanese Quail, Coturnix Coturnix, Lacey R. Mcnally
Chromosomal Localization Of A Proinsulin Transgene Inserted With A Transposon-Based Vector Into Japanese Quail, Coturnix Coturnix, Lacey R. Mcnally
LSU Doctoral Dissertations
The overall goals of this research were to develop a reproducible method of detecting stable DNA insertion into Japanese quail and provide a method for gene location on avian chromosomes. This research resulted in the development of a different method of obtaining chromosome spreads in Japanese quail, the establishment of primed in situ hybridization as a method for the chromosomal gene detection in birds, development of Teflon-coated coverslip slides to facilitate laser microdissection of 0.5 ƒÝm samples, and chromosomal identification of proinsulin transgene insertions by laser microdissection and nucleotide sequence from G2 Japanese quail. The 28S rDNA was found on …