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Full-Text Articles in Medicine and Health Sciences

Investigating The Developmental Impacts Of 3,3’-Dichlorobiphenyl (Pcb-11) In Zebrafish (Danio Rerio), Monika A. Roy Oct 2021

Investigating The Developmental Impacts Of 3,3’-Dichlorobiphenyl (Pcb-11) In Zebrafish (Danio Rerio), Monika A. Roy

Doctoral Dissertations

The environmental pollutant 3,3’-dichlorobiphenyl (PCB-11) is a lower-chlorinated polychlorinated biphenyl (PCB) congener present in air and water samples. Both PCB-11 and its metabolite, 4-PCB-11-Sulfate, are detected in humans, including in pregnant women. The work conducted for this dissertation takes a developmental toxicology approach and uses zebrafish (Danio rerio) to investigate PCB-11’s potential impacts to the liver and pancreas. Chapter 1 introduces PCBs and the current knowledge gaps. Chapter 2 investigates PCB-11 interactions in short-term 4-day exposures with the Aryl hydrocarbon receptor (Ahr) pathway in both 0-20 mM individual and mixture exposures with other Ahr agonists. In Chapter 3, …


High-Dimensional Feature Selection And Multi-Level Causal Mediation Analysis With Applications To Human Aging And Cluster-Based Intervention Studies, Hachem Saddiki Oct 2021

High-Dimensional Feature Selection And Multi-Level Causal Mediation Analysis With Applications To Human Aging And Cluster-Based Intervention Studies, Hachem Saddiki

Doctoral Dissertations

Many questions in public health and medicine are fundamentally causal in that our objective is to learn the effect of some exposure, randomized or not, on an outcome of interest. As a result, causal inference frameworks and methodologies have gained interest as a promising tool to reliably answer scientific questions. However, the tasks of identifying and efficiently estimating causal effects from observed data still pose significant challenges under complex data generating scenarios. We focus on (1) high-dimensional settings where the number of variables is orders of magnitude higher than the number of observations; and (2) multi-level settings, where study participants …


Hospital Assessment And Response To Environmental Pollution As A Population Health Need: Identifying Prevalence And Predictors In Community Benefit Practices, Sarah Valentine Apr 2021

Hospital Assessment And Response To Environmental Pollution As A Population Health Need: Identifying Prevalence And Predictors In Community Benefit Practices, Sarah Valentine

Doctoral Dissertations

Hospitals have a growing role in improving population health. Environmental pollution is an important determinant of health with disproportionate effects on Communities of Color. This warrants hospital action. To advance such action, it is important to take stock of current hospital engagement with environmental pollution and to identify factors associated with such engagement. I investigated the following. To what extent do New York State (NYS) non-profit hospitals assess, identify, and respond to environmental pollutants as part of community benefit practices? Do factors previously reported as associated with hospital engagement of social determinants predict engagement with environmental pollution as a community …