Scott M. Damrauer

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During infection of its hosts, Salmonella enterica serovar Typhimurium (S. typhimurium) enters the epithelial cells of the small intestine. This process requires a number of invasion genes encoded on Salmonella pathogenicity island 1 (SPI1), a 40 kb stretch of DNA located near minute 63 of the S. typhimurium chromosome. Expression of S. typhimurium SPI1(More)
OBJECTIVE To determine the functional significance of physiological reactive oxygen species (ROS) levels in endothelium-dependent nitric oxide (NO)-mediated coronary vasodilatation. METHODS AND RESULTS Endothelium-derived NO is important in regulating coronary vascular tone. Excess ROS have been shown to reduce NO bioavailability, resulting in endothelial(More)
BACKGROUND Accelerated atherosclerosis is the leading cause of morbidity and mortality in diabetic patients. Hyperglycemia is a recognized independent risk factor for heightened atherogenesis in diabetes mellitus (DM). However, our understanding of the mechanisms underlying glucose damage to the vasculature remains incomplete. METHODOLOGY/PRINCIPAL(More)
HYPOTHESIS Contained and free anastomotic leaks, which occur in a small percentage of patients after colorectal surgery, are different clinical entities and consequently should be managed differently. DESIGN Retrospective medical record review. SETTING Academic medical center. PATIENTS Patients who underwent colectomy with primary anastomosis (N =(More)
BACKGROUND Transplant arteriosclerosis (TA) is the pathognomonic feature of chronic rejection, the primary cause of allograft failure. We have shown that the NF-κB inhibitory protein A20 exerts vasculoprotective effects in endothelial and smooth muscle cells (SMC), and hence is a candidate to prevent TA. We sought direct proof for this hypothesis. METHODS(More)
IMPORTANCE Mitochondrial disease is being diagnosed with increasing frequency. Although children with mitochondrial disease often have severe, life-limiting illnesses, many survive into adulthood. There is, however, limited information about the impact of mitochondrial disease on healthcare utilization in the U.S. across the lifespan. OBJECTIVES To(More)
To evaluate the shared genetic etiology of type 2 diabetes (T2D) and coronary heart disease (CHD), we conducted a genome-wide, multi-ancestry study of genetic variation for both diseases in up to 265,678 subjects for T2D and 260,365 subjects for CHD. We identify 16 previously unreported loci for T2D and 1 locus for CHD, including a new T2D association at a(More)
Inflammation induces the NF-κB dependent protein A20 in human renal proximal tubular epithelial cells (RPTEC), which secondarily contains inflammation by shutting down NF-κB activation. We surmised that inducing A20 without engaging the pro-inflammatory arm of NF-κB could improve outcomes in kidney disease. We showed that hepatocyte growth factor (HGF)(More)
The linkage between electronic health records (EHRs) and genotype data makes it plausible to study the genetic susceptibility of a wide range of disease phenotypes. Despite that EHR-derived phenotype data are subjected to misclassification, it has been shown useful for discovering susceptible genes, particularly in the setting of phenome-wide association(More)
OBJECTIVE Published rates of reintervention after endovascular aneurysm repair (EVAR) range from 10% to 30%. We evaluated a single university center's experience with reinterventions in the context of Food and Drug Administration (FDA)-approved and trial devices. METHODS Retrospective data collection was performed for patients who underwent infrarenal(More)