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Articles 1 - 6 of 6
Full-Text Articles in Medicine and Health Sciences
Intrinsic And Innate Defenses Of Neurons: Détente With The Herpesviruses, Lynn Enquist, David A. Leib
Intrinsic And Innate Defenses Of Neurons: Détente With The Herpesviruses, Lynn Enquist, David A. Leib
Dartmouth Scholarship
Neuroinvasive herpesviruses have evolved to efficiently infect and establish latency in neurons. The nervous system has limited capability to regenerate, so immune responses therein are carefully regulated to be nondestructive, with dependence on atypical intrinsic and innate defenses. In this article we review studies of some of these noncanonical defense pathways and how herpesvirus gene products counter them, highlighting the contributions that primary neuronal in vitro models have made to our understanding of this field.
Infectious Disease And The Diversification Of The Human Genome, Jessica F. Brinkworth
Infectious Disease And The Diversification Of The Human Genome, Jessica F. Brinkworth
Human Biology Open Access Pre-Prints
The human immune system is under great pathogen-mediated selective pressure. A combination of divergent infectious disease pathogenesis across human populations, and the overrepresentation of “immune genes” in genomic regions with signatures of positive selection suggests that pathogens have significantly altered the human genome. However, important features of the human immune system can confound searches for and interpretations of signatures of pathogen-mediated evolution. Immune system redundancy, immune gene pleiotropy, host ability to acquire immunity and alter the immune repertoire of their offspring through “priming”, and host microbiome complicate evolutionary interpretations of host- pathogen interactions. The overall promiscuity and sensitivity of the …
Nlrp9b Inflammasome Restricts Rotavirus Infection In Intestinal Epithelial Cells, Shu Zhu, Siyuan Ding, Penghua Wang, Zheng Wei, Wen Pan, Noah Palm, Richard Flavell
Nlrp9b Inflammasome Restricts Rotavirus Infection In Intestinal Epithelial Cells, Shu Zhu, Siyuan Ding, Penghua Wang, Zheng Wei, Wen Pan, Noah Palm, Richard Flavell
NYMC Faculty Publications
Rotavirus, a leading cause of severe gastroenteritis and diarrhoea in young children, accounts for around 215,000 deaths annually worldwide. Rotavirus specifically infects the intestinal epithelial cells in the host small intestine and has evolved strategies to antagonize interferon and NF-κB signalling, raising the question as to whether other host factors participate in antiviral responses in intestinal mucosa. The mechanism by which enteric viruses are sensed and restricted in vivo, especially by NOD-like receptor (NLR) inflammasomes, is largely unknown. Here we uncover and mechanistically characterize the NLR Nlrp9b that is specifically expressed in intestinal epithelial cells and restricts rotavirus infection. Our …
Induction And Characterization Of Anti-Tumor Endothelium Immunity Elicited By Vallovax Therapeutic Cancer Vaccine., Samuel C Wagner, Thomas E Ichim, Vladimir Bogin, Wei-Ping Min, Francisco Silva, Amit N Patel, Santosh Kesari
Induction And Characterization Of Anti-Tumor Endothelium Immunity Elicited By Vallovax Therapeutic Cancer Vaccine., Samuel C Wagner, Thomas E Ichim, Vladimir Bogin, Wei-Ping Min, Francisco Silva, Amit N Patel, Santosh Kesari
Articles, Abstracts, and Reports
ValloVax is a placental endothelium derived vaccine which induces tissue-nonspecific antitumor immunity by blocking tumor angiogesis. To elucidate mechanisms of action, we showed that production of ValloVax, which involves treating placental endothelial cells with IFN-gamma, results in upregulation of HLA and costimulatory molecules. It was shown that in mixed lymphocyte reaction, ValloVax induces Type I cytokines and allo-proliferative responses. Plasma from ValloVax immunized mice was capable of killing in vitro tumor-like endothelium but not control endothelium. Using defined antigens associated with tumor endothelial cells, specific molecular entities were identified as being targeted by ValloVax induced antibodies. Binding of predominantly IgG …
Development Of Cellular Assays To Monitor Enzymatic And Biological Activity Of Cd73: A Key Modulator Of Anti-Tumor Immune Response, Alexandra Fanuka
Development Of Cellular Assays To Monitor Enzymatic And Biological Activity Of Cd73: A Key Modulator Of Anti-Tumor Immune Response, Alexandra Fanuka
Graduate School of Biomedical Sciences Theses and Dissertations
Ecto-5’-nucleotidase, known as CD73, is an extracellular enzyme that converts adenosine monophosphate (AMP) to adenosine and has recently been identified as a potential drug target for cancer immunotherapy. Its immunosuppressive effects, mediated by the activity of adenosine, are associated with higher rates of tumor invasion and metastasis, as well as poorer prognoses overall in many cancer types. CD73 is often co-expressed with ectonucleoside triphosphate diphosphohydrolase-1 (CD39), which catalyzes the conversion of adenosine triphosphate (ATP) to adenosine diphosphate (ADP), and ADP to AMP on the surface of tumor cells. Dual expression further propagates immunosuppressive effects of adenosine in the tumor microenvironment. …
Quantitation Of Anti-Pythium Insidiosum Antibodies Before And After Immunotherapy In Healthy Dogs, Carmen Beatriz Arsuaga
Quantitation Of Anti-Pythium Insidiosum Antibodies Before And After Immunotherapy In Healthy Dogs, Carmen Beatriz Arsuaga
LSU Master's Theses
Pythium insidiosum is an aquatic oomycete that causes invasive, progressive granulomatous lesions of the skin in dogs, horses, and cats, and of the gastrointestinal tract in dogs. Quantitation of anti-P. insidiosum IgG antibodies can be used in dogs to both confirm a suspected diagnosis and to monitor response to therapy. Recently, an immunotherapeutic product (IP) has been marketed for the treatment of pythiosis in dogs, horses, and people. The aim of this study was to evaluate the effect of administration of this product on anti-P. insidiosum IgG concentrations in dogs. The IP was administered to seven, healthy hound mixes on …