{"id":21,"date":"2018-06-06T08:27:59","date_gmt":"2018-06-06T12:27:59","guid":{"rendered":"http:\/\/www.personal-site.dev\/?page_id=21"},"modified":"2025-03-24T03:07:24","modified_gmt":"2025-03-24T07:07:24","slug":"projects","status":"publish","type":"page","link":"https:\/\/www2.whoi.edu\/site\/hahnlab\/projects\/","title":{"rendered":"Projects"},"content":{"rendered":"\n\n\t<h1>Projects<\/h1>\n\t<h3><img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/hahnlab\/wp-content\/uploads\/sites\/44\/2021\/01\/fundulusheteroclitus-300x235.jpg\" alt=\"\" width=\"300\" height=\"235\" \/><\/h3>\n<h3><a href=\"https:\/\/reporter.nih.gov\/search\/JHFNO-ZatUGHQ2ifZWQ1Xw\/project-details\/10485948\">Gene-Environment Interactions in Congenital Heart Disease<\/a><\/h3>\n<p>We are using the Atlantic killifish population-based model system to elucidate the interaction of genetic variation and environmental exposures in the etiology of congenital heart disease.<\/p>\n\t<h3><img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/hahnlab\/wp-content\/uploads\/sites\/44\/2022\/11\/AIP_killifish_SNP-300x206.png\" alt=\"\" width=\"300\" height=\"206\" \/><\/h3>\n<h3><a href=\"https:\/\/reporter.nih.gov\/search\/JHFNO-ZatUGHQ2ifZWQ1Xw\/project-details\/10538943\">Mechanisms Controlling Sensitivity and Resistance to Dioxin-like Compounds: Role of AIP<\/a><\/h3>\n<p>We are investigating the role of AIP and its sequence variants in controlling sensitivity to chemicals that act through the AHR. This project includes complementary studies involving zebrafish <em>in vivo<\/em> and human cells <em>in vitro.<\/em><\/p>\n\t<h3><img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/hahnlab\/wp-content\/uploads\/sites\/44\/2021\/01\/NeuronDiagram-4-300x120.jpg\" alt=\"\" width=\"393\" height=\"157\" \/><\/h3>\n\n\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3><a href=\"https:\/\/www2.whoi.edu\/site\/hahnlab\/projects\/ohh\/\">Oceans and Human Health: <\/a><\/h3>\n<h3><a href=\"https:\/\/www2.whoi.edu\/site\/hahnlab\/projects\/ohh\/\">Harmful Algal Bloom (HAB) Toxins<\/a><\/h3>\n<p>In this project we are investigating the neurodevelopmental toxicity of harmful algal bloom toxins such as domoic acid (DA) and saxitoxin (STX).<\/p>\n\t<h3><img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/hahnlab\/wp-content\/uploads\/sites\/44\/2022\/11\/Untitled-1-300x214.jpg\" alt=\"\" width=\"309\" height=\"221\" \/><\/h3>\n<h3><a href=\"https:\/\/www2.whoi.edu\/site\/hahnlab\/projects\/pcb-resistance\/\">Adaptation to Pollutants: <\/a><\/h3>\n<h3><a href=\"https:\/\/www2.whoi.edu\/site\/hahnlab\/projects\/pcb-resistance\/\">PCB-Resistant Fish<\/a><\/h3>\n<p>The goal of this research is to understand the genetic mechanisms of evolved resistance to toxic chemicals in fish living in highly contaminated sites.<\/p>\n\t<h3><img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/hahnlab\/wp-content\/uploads\/sites\/44\/2023\/03\/AnimalTree3_v4-300x219.jpg\" alt=\"\" width=\"300\" height=\"219\" \/><\/h3>\n<h3><a href=\"https:\/\/reporter.nih.gov\/search\/AUDyFv2PiEenl5SH3lcO0Q\/project-details\/10679532\">Evolution of aryl hydrocarbon receptor (AHR) <\/a><a href=\"https:\/\/reporter.nih.gov\/search\/AUDyFv2PiEenl5SH3lcO0Q\/project-details\/10679532\">ligand specificity<\/a><\/h3>\n<p>&nbsp;<\/p>\n<p>We are investigating the evolutionary trajectory and genetic and structural mechanisms underlying the evolution of AHR ligand-specificity. We are using ancestral sequence reconstruction (ASR) to &#8220;resurrect&#8221; ancestral AHR proteins and then determine their ligand-binding properties.<\/p>\n\t\n<h3><img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/hahnlab\/wp-content\/uploads\/sites\/44\/2021\/01\/MicroplasticsandScale-withcurve-01-300x169.png\" alt=\"\" width=\"300\" height=\"169\" \/><\/h3>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3><a href=\"https:\/\/www2.whoi.edu\/site\/hahnlab\/projects\/microplastics\/\">Marine Microplastics and Nanoplastics<\/a><\/h3>\n<p>Several projects address the fate and impacts of microplastics and nanoplastics in the marine environment.<\/p>\n\t<h3><img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/hahnlab\/wp-content\/uploads\/sites\/44\/2022\/08\/AHR-Pathway-300x180.jpg\" alt=\"\" width=\"300\" height=\"180\" \/><\/h3>\n<h3><a href=\"https:\/\/www2.whoi.edu\/site\/hahnlab\/projects\/aryl-hydrocarbon-receptor\/\">Aryl Hydrocarbon Receptor Biology<\/a><\/h3>\n<p>We are studying the evolution of AHR, a protein involved in the mechanism of toxicity of a variety of synthetic and natural compounds.<\/p>\n\t<h3><img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/hahnlab\/wp-content\/uploads\/sites\/44\/2021\/01\/Screen-Shot-2021-01-16-at-6.18.56-AM-300x167.png\" alt=\"\" width=\"420\" height=\"234\" \/><\/h3>\n\n\n<p>&nbsp;<\/p>\n\n<h3><a href=\"https:\/\/www2.whoi.edu\/site\/hahnlab\/projects\/marine-natural-products\/\">Marine Natural Products<\/a><\/h3>\n<p>We are investigating the biological activity, including possible toxicity, of halogenated marine natural products.<\/p>\n\t<h3><img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/hahnlab\/wp-content\/uploads\/sites\/44\/2021\/01\/human-zf-NRF-with-embryos-300x154.jpg\" alt=\"\" width=\"300\" height=\"154\" \/><\/h3>\n\n\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3><a href=\"https:\/\/www2.whoi.edu\/site\/hahnlab\/projects\/nrf2\/\">Mechanisms of Embryo Response to Oxidative Stress<\/a><\/h3>\n<p>The goal of this research is to to elucidate the mechanisms by which vertebrate embryos respond to oxidative stress during development. We use zebrafish as a model system.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>Projects Gene-Environment Interactions in Congenital Heart Disease We are using the Atlantic killifish population-based model system to elucidate the interaction of genetic variation and environmental exposures in the etiology of congenital heart disease. Mechanisms Controlling Sensitivity and Resistance to Dioxin-like Compounds: Role of AIP We are investigating the role of AIP and its sequence variants&hellip;<\/p>\n","protected":false},"author":31,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/www2.whoi.edu\/site\/hahnlab\/wp-json\/wp\/v2\/pages\/21"}],"collection":[{"href":"https:\/\/www2.whoi.edu\/site\/hahnlab\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www2.whoi.edu\/site\/hahnlab\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/hahnlab\/wp-json\/wp\/v2\/users\/31"}],"replies":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/hahnlab\/wp-json\/wp\/v2\/comments?post=21"}],"version-history":[{"count":3,"href":"https:\/\/www2.whoi.edu\/site\/hahnlab\/wp-json\/wp\/v2\/pages\/21\/revisions"}],"predecessor-version":[{"id":1239,"href":"https:\/\/www2.whoi.edu\/site\/hahnlab\/wp-json\/wp\/v2\/pages\/21\/revisions\/1239"}],"wp:attachment":[{"href":"https:\/\/www2.whoi.edu\/site\/hahnlab\/wp-json\/wp\/v2\/media?parent=21"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}