{"id":1541,"date":"2025-04-02T17:49:35","date_gmt":"2025-04-02T21:49:35","guid":{"rendered":"https:\/\/health.uconn.edu\/germline-stem-cells\/?page_id=1541"},"modified":"2025-04-14T14:31:43","modified_gmt":"2025-04-14T18:31:43","slug":"research","status":"publish","type":"page","link":"https:\/\/health.uconn.edu\/germline-stem-cells\/research\/","title":{"rendered":"Research"},"content":{"rendered":"<div id=\"pl-1541\"  class=\"panel-layout\" ><div id=\"pg-1541-0\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-1541-0-0\"  class=\"panel-grid-cell\" ><div id=\"panel-1541-0-0-0\" class=\"so-panel widget widget_text panel-first-child panel-last-child\" data-index=\"0\" ><h3 class=\"widget-title\">Our Research Overview<\/h3>\t\t\t<div class=\"textwidget\"><p>Our lab investigates the mechanisms of stem cell regulation and how dysregulation may lead to disease states. Specifically, we utilize the powerful\u00a0<em>Drosophila Melanogaster\u00a0<\/em>as our model system, due to its simple anatomy. This in conjunction with abundant genetic and genomic tools has proven to be well suited to study unrecognized regulatory mechanisms. We combine advanced imaging techniques, genetics, and multi-omics approaches to study germline stem cells (GSCs), factors that may play a role in cell fates, and chromatin architecture within the cells of normal tissues and diseased tissues. Our research is focused on a few areas, such as chromatin state dynamics, the roles of nuclear non-coding RNAs in stem cell function and changes in extracellular matrix during tissue regeneration. Ultimately, we aim to deepen our knowledge of disease progression and contribute to developing new approaches to disease therapies and prevention.<\/p>\n<\/div>\n\t\t<\/div><\/div><\/div><div id=\"pg-1541-1\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-1541-1-0\"  class=\"panel-grid-cell\" ><div id=\"panel-1541-1-0-0\" class=\"so-panel widget widget_text panel-first-child panel-last-child\" data-index=\"1\" ><h3 class=\"widget-title\">Why is it important to understand how stem cells are regulated?<\/h3>\t\t\t<div class=\"textwidget\"><figure id=\"attachment_1222\" aria-describedby=\"caption-attachment-1222\" style=\"width: 365px\" class=\"wp-caption alignright\"><a href=\"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2024\/02\/Picture1-e1707703987893.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1222 lazyload\" data-src=\"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2024\/02\/Picture1-e1707703987893-300x121.png\" alt=\"\" width=\"365\" height=\"147\" data-srcset=\"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2024\/02\/Picture1-e1707703987893-300x121.png 300w, https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2024\/02\/Picture1-e1707703987893-1024x414.png 1024w, https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2024\/02\/Picture1-e1707703987893-768x311.png 768w, https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2024\/02\/Picture1-e1707703987893-1536x622.png 1536w, https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2024\/02\/Picture1-e1707703987893-2048x829.png 2048w\" data-sizes=\"(max-width: 365px) 100vw, 365px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 365px; --smush-placeholder-aspect-ratio: 365\/147;\" \/><noscript><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1222\" src=\"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2024\/02\/Picture1-e1707703987893-300x121.png\" alt=\"\" width=\"365\" height=\"147\" srcset=\"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2024\/02\/Picture1-e1707703987893-300x121.png 300w, https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2024\/02\/Picture1-e1707703987893-1024x414.png 1024w, https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2024\/02\/Picture1-e1707703987893-768x311.png 768w, https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2024\/02\/Picture1-e1707703987893-1536x622.png 1536w, https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2024\/02\/Picture1-e1707703987893-2048x829.png 2048w\" sizes=\"(max-width: 365px) 100vw, 365px\" \/><\/noscript><\/a><figcaption id=\"caption-attachment-1222\" class=\"wp-caption-text\">Left: Normal Drosophila testes, Right: Tumorous testes filled with stem-like cells.<\/figcaption><\/figure>\n<p><strong>Understand how diseases occur.<\/strong><\/p>\n<p>As stem cells have the capacity to divide long-term and keep producing tissue cells, their dysregulation results in many disease conditions, including cancers, tissue degeneration, and aging. A better understanding of these conditions helps us to develop new therapeutic strategies for incurable diseases.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n\t\t<\/div><\/div><div id=\"pgc-1541-1-1\"  class=\"panel-grid-cell\" ><div id=\"panel-1541-1-1-0\" class=\"so-panel widget widget_media_image panel-first-child panel-last-child\" data-index=\"2\" ><figure style=\"width: 200px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"208\" data-src=\"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-4.51.31\u202fPM-288x300.png\" class=\"image wp-image-1543  attachment-200x208 size-200x208 lazyload\" alt=\"\" style=\"--smush-placeholder-width: 200px; --smush-placeholder-aspect-ratio: 200\/208;max-width: 100%; height: auto;\" data-srcset=\"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-4.51.31\u202fPM-288x300.png 288w, https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-4.51.31\u202fPM.png 674w\" data-sizes=\"(max-width: 200px) 100vw, 200px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"208\" src=\"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-4.51.31\u202fPM-288x300.png\" class=\"image wp-image-1543  attachment-200x208 size-200x208\" alt=\"\" style=\"max-width: 100%; height: auto;\" srcset=\"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-4.51.31\u202fPM-288x300.png 288w, https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-4.51.31\u202fPM.png 674w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/><\/noscript><figcaption class=\"wp-caption-text\">Confocal Image from the tip of Drosophila Testis. Green: Germ cells, Blue: Hub cells.\nGermline stem cells (GSCs) surround the hub, and differentiated GSCs called gonial blasts (GBs) are one layer away. <\/figcaption><\/figure><\/div><\/div><\/div><div id=\"pg-1541-2\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-1541-2-0\"  class=\"panel-grid-cell\" ><div id=\"panel-1541-2-0-0\" class=\"so-panel widget widget_text panel-first-child panel-last-child\" data-index=\"3\" ><h3 class=\"widget-title\">Projects: <\/h3>\t\t\t<div class=\"textwidget\"><p><strong>Roles of Transposable Elements in <em>Drosophila<\/em> Spermatocytes<\/strong><\/p>\n<p><span class=\"TextRun SCXW255594417 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW255594417 BCX0\">In <em>Drosophila<\/em> spermatocytes, RNAs and RNPs associate with loop-like structures on the Y chromosome, known as Y-loops, which are hypothesized to regulate the expression of Y-linked fertility genes. We aim to investigate the functions of these RNA-based nuclear domains and their influence on transcription and other nuclear processes.<\/span> <span class=\"NormalTextRun SCXW255594417 BCX0\">We recently discovered that transcripts from <\/span><span class=\"NormalTextRun SCXW255594417 BCX0\">numerous<\/span><span class=\"NormalTextRun SCXW255594417 BCX0\"> transposons serve as central structural components of chromosome-associated RNPs. Notably, different transposons <\/span><span class=\"NormalTextRun SCXW255594417 BCX0\">exhibit<\/span><span class=\"NormalTextRun SCXW255594417 BCX0\"> distinct localization patterns within spermatocyte nuclei. We are investigating the mechanisms governing this localization pattern and their roles in spermatogenesis.<\/span><\/span><span class=\"EOP SCXW255594417 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<\/div>\n\t\t<\/div><\/div><div id=\"pgc-1541-2-1\"  class=\"panel-grid-cell\" ><div id=\"panel-1541-2-1-0\" class=\"so-panel widget widget_media_image panel-first-child panel-last-child\" data-index=\"4\" ><figure style=\"width: 1024px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"307\" data-src=\"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-5.37.15\u202fPM-1024x491.png\" class=\"image wp-image-1556  attachment-large size-large lazyload\" alt=\"\" style=\"--smush-placeholder-width: 640px; --smush-placeholder-aspect-ratio: 640\/307;max-width: 100%; height: auto;\" data-srcset=\"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-5.37.15\u202fPM-1024x491.png 1024w, https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-5.37.15\u202fPM-300x144.png 300w, https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-5.37.15\u202fPM-768x368.png 768w, https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-5.37.15\u202fPM.png 1064w\" data-sizes=\"(max-width: 640px) 100vw, 640px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"307\" src=\"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-5.37.15\u202fPM-1024x491.png\" class=\"image wp-image-1556  attachment-large size-large\" alt=\"\" style=\"max-width: 100%; height: auto;\" srcset=\"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-5.37.15\u202fPM-1024x491.png 1024w, https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-5.37.15\u202fPM-300x144.png 300w, https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-5.37.15\u202fPM-768x368.png 768w, https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-5.37.15\u202fPM.png 1064w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/noscript><figcaption class=\"wp-caption-text\">RNA FISH for Accord2 (blue) and Quasimodo2 (magenta) LTR retrotransposons in pre-meiotic spermatocytes. Accord2 localizes to a Y-loop, and Quasiomodo2 localizes to an autosome. DNA is stained with DAPI (white). Scale bars are 5\u03bcm. Image courtesy of Emma Kristine Beard. <\/figcaption><\/figure><\/div><\/div><\/div><div id=\"pg-1541-3\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-1541-3-0\"  class=\"panel-grid-cell\" ><div id=\"panel-1541-3-0-0\" class=\"so-panel widget widget_media_image panel-first-child panel-last-child\" data-index=\"5\" ><figure style=\"width: 189px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" width=\"189\" height=\"300\" data-src=\"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-5.15.16\u202fPM-e1743828765261-189x300.png\" class=\"image wp-image-1548  attachment-medium size-medium lazyload\" alt=\"\" style=\"--smush-placeholder-width: 189px; --smush-placeholder-aspect-ratio: 189\/300;max-width: 100%; height: auto;\" data-srcset=\"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-5.15.16\u202fPM-e1743828765261-189x300.png 189w, https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-5.15.16\u202fPM-e1743828765261.png 345w\" data-sizes=\"(max-width: 189px) 100vw, 189px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"189\" height=\"300\" src=\"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-5.15.16\u202fPM-e1743828765261-189x300.png\" class=\"image wp-image-1548  attachment-medium size-medium\" alt=\"\" style=\"max-width: 100%; height: auto;\" srcset=\"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-5.15.16\u202fPM-e1743828765261-189x300.png 189w, https:\/\/health.uconn.edu\/germline-stem-cells\/wp-content\/uploads\/sites\/144\/2025\/04\/Screenshot-2025-04-02-at-5.15.16\u202fPM-e1743828765261.png 345w\" sizes=\"(max-width: 189px) 100vw, 189px\" \/><\/noscript><figcaption class=\"wp-caption-text\">Oligopaint DNA FISH utilizing different probes on tumorigenic sample. STAT Upstream Probe (Red), STAT Sense Probe (Green), STAT Downstream (Blue). <\/figcaption><\/figure><\/div><\/div><div id=\"pgc-1541-3-1\"  class=\"panel-grid-cell\" ><div id=\"panel-1541-3-1-0\" class=\"so-panel widget widget_text panel-first-child panel-last-child\" data-index=\"6\" >\t\t\t<div class=\"textwidget\"><p><strong>Chromatin Regulation on the Oncogenic gene loci in <em>Drosophila<\/em> Tumor Model<\/strong><\/p>\n<p><span class=\"TextRun SCXW35933697 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW35933697 BCX0\">Our genome is not linear. Rather, <\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">our DNA<\/span><span class=\"NormalTextRun SCXW35933697 BCX0\"> is<\/span><span class=\"NormalTextRun SCXW35933697 BCX0\"> intricately organized<\/span><span class=\"NormalTextRun SCXW35933697 BCX0\"> and wrapped in the nucleus. <\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">Understanding the relation between genome structure and genome function (gene expression) may be crucial to further elucidating <\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">disease formation and development. Specifically, in our <\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">previous<\/span><span class=\"NormalTextRun SCXW35933697 BCX0\"> studies, we looked at <\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">the <\/span><\/span><span class=\"TextRun SCXW35933697 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW35933697 BCX0\">S<\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">tat<\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">92<\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">E<\/span> <\/span><span class=\"TextRun SCXW35933697 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW35933697 BCX0\">gene locus, that encodes for a highly conserved protein involved in a <\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">gene expression <\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">signaling cascade<\/span><span class=\"NormalTextRun SCXW35933697 BCX0\"> necessary for <\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">maintaining<\/span><span class=\"NormalTextRun SCXW35933697 BCX0\"> germline stem cell identity<\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">. Interestingly, we found <\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">a relationship between homolog pairing (maternal and paternal homologs physically interacting) at this locus and stem-cell differentiation and gene expression. <\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">A <\/span><\/span><span class=\"TextRun SCXW35933697 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW35933697 BCX0\">Stat92E <\/span><\/span><span class=\"TextRun SCXW35933697 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW35933697 BCX0\">dependent tumor can be experimentally induced, where w<\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">e can investigate how th<\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">e <\/span><\/span><span class=\"TextRun SCXW35933697 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW35933697 BCX0\">Stat92E <\/span><\/span><span class=\"TextRun SCXW35933697 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW35933697 BCX0\">oncogenic locus may behave in tumor progression<\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">. <\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">Now, w<\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">e want t<\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">o further <\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">understand these relationships and understand chromatin architecture in tumorigenic cells, w<\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">her<\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">e <\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">we <\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">utilize<\/span> <span class=\"NormalTextRun SCXW35933697 BCX0\">stem-cell like tumor tissues <\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">and study the<\/span><\/span><span class=\"TextRun SCXW35933697 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW35933697 BCX0\"> S<\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">tat<\/span><span class=\"NormalTextRun SCXW35933697 BCX0\">92E<\/span><\/span><span class=\"TextRun SCXW35933697 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW35933697 BCX0\"> locus and its surrounding regions.\u00a0<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<div class=\"mceTemp\"><\/div>\n<\/div>\n\t\t<\/div><\/div><\/div><div id=\"pg-1541-4\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-1541-4-0\"  class=\"panel-grid-cell\" ><div id=\"panel-1541-4-0-0\" class=\"so-panel widget widget_text panel-first-child\" data-index=\"7\" >\t\t\t<div class=\"textwidget\"><p><strong> <span class=\"TextRun MacChromeBold SCXW14037628 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW14037628 BCX0\">Exploring the Mechanisms of Dedifferentiation in the <em>Drosophila<\/em> Testis Stem Cell System<\/span><\/span><\/strong><\/p>\n<p><span class=\"TextRun SCXW5725491 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW5725491 BCX0\">The Drosophila testis stem cell niche is a robust signaling environment <\/span><span class=\"NormalTextRun SCXW5725491 BCX0\">comprised<\/span><span class=\"NormalTextRun SCXW5725491 BCX0\"> of 8-10 germline stem cells (GSCs) attached to a cluster of somatic hub cells. Asymmetric division of GSCs results in one differentiating daughter cell and a self-renewing stem cell. However, asymmetric division alone cannot <\/span><span class=\"NormalTextRun SCXW5725491 BCX0\">maintain<\/span><span class=\"NormalTextRun SCXW5725491 BCX0\"> stable GSC number, as <\/span><span class=\"NormalTextRun SCXW5725491 BCX0\">previous<\/span><span class=\"NormalTextRun SCXW5725491 BCX0\"> studies<\/span> <span class=\"NormalTextRun SCXW5725491 BCX0\">have<\/span><span class=\"NormalTextRun SCXW5725491 BCX0\"> found<\/span><span class=\"NormalTextRun SCXW5725491 BCX0\"> that ~1 GSC is lost from the niche per day. Through the process of dedifferentiation, a differentiating daughter cell reverts to a stem cell state to replenish lost GSCs. We aim to investigate the mechanisms of dedifferentiation using RNAi screening and experimental GSC depletion to <\/span><span class=\"NormalTextRun SCXW5725491 BCX0\">identify<\/span><span class=\"NormalTextRun SCXW5725491 BCX0\"> genes involved in their recovery.<\/span><\/span><span class=\"EOP SCXW5725491 BCX0\" data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:0,&quot;335559739&quot;:0}\">\u00a0<\/span><\/p>\n<\/div>\n\t\t<\/div><div id=\"panel-1541-4-0-1\" class=\"so-panel widget widget_text\" data-index=\"8\" >\t\t\t<div class=\"textwidget\"><p><strong><span class=\"TextRun MacChromeBold SCXW178020667 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW178020667 BCX0\">Exploring the R<\/span><span class=\"NormalTextRun SCXW178020667 BCX0\">ole of Histone M<\/span><span class=\"NormalTextRun SCXW178020667 BCX0\">odifications in P<\/span><span class=\"NormalTextRun SCXW178020667 BCX0\">recise C<\/span><span class=\"NormalTextRun SCXW178020667 BCX0\">ell-F<\/span><span class=\"NormalTextRun SCXW178020667 BCX0\">ate T<\/span><span class=\"NormalTextRun SCXW178020667 BCX0\">ransitions <\/span><span class=\"NormalTextRun SCXW178020667 BCX0\">d<\/span><span class=\"NormalTextRun SCXW178020667 BCX0\">uring G<\/span><span class=\"NormalTextRun SCXW178020667 BCX0\">erm C<\/span><span class=\"NormalTextRun SCXW178020667 BCX0\">ell D<\/span><span class=\"NormalTextRun SCXW178020667 BCX0\">evelopmen<\/span><span class=\"NormalTextRun SCXW178020667 BCX0\">t<\/span><\/span><span class=\"EOP SCXW178020667 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/strong><\/p>\n<p><span class=\"NormalTextRun SCXW237795993 BCX0\">Chromosomes are composed of DNA that are wrapped around histones to create structure<\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">s<\/span><span class=\"NormalTextRun SCXW237795993 BCX0\"> called <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">nucleosomes<\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">.<\/span> <span class=\"NormalTextRun SCXW237795993 BCX0\">Histones can have post translational modifications that regulate chromatin structure, which <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">can <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">ultimately<\/span><span class=\"NormalTextRun SCXW237795993 BCX0\"> increase<\/span><span class=\"NormalTextRun SCXW237795993 BCX0\"> or decrease gene expression.<\/span> <span class=\"NormalTextRun SCXW237795993 BCX0\">Previous<\/span><span class=\"NormalTextRun SCXW237795993 BCX0\"> studies from our lab show that histone modifications can disturb <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">the <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">pairing of<\/span><span class=\"NormalTextRun SCXW237795993 BCX0\"> a gene in germline stem cells, STAT92E<\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">, which regulates its expression<\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">. Normally, <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">the <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">STAT92E<\/span><span class=\"NormalTextRun SCXW237795993 BCX0\"> alleles<\/span> <span class=\"NormalTextRun SCXW237795993 BCX0\">are <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">paired <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">in germline stem cells and <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">unpaired <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">in differentiating cells, but <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">due to a histone modification <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">they <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">can be <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">pair<\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">ed in both stem cells and differentiating cells. We <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">want <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">to investigate <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">the effects of <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">histone modifications<\/span> <span class=\"NormalTextRun SCXW237795993 BCX0\">on <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">gene expression and how<\/span> <span class=\"NormalTextRun SCXW237795993 BCX0\">they <\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">play a role in the differentiation of cells<\/span><span class=\"NormalTextRun SCXW237795993 BCX0\">.<\/span><\/p>\n<\/div>\n\t\t<\/div><div id=\"panel-1541-4-0-2\" class=\"so-panel widget widget_text panel-last-child\" data-index=\"9\" >\t\t\t<div class=\"textwidget\"><p><strong><span class=\"NormalTextRun SCXW25835041 BCX0\"> Investigating the R<\/span><span class=\"NormalTextRun SCXW25835041 BCX0\">ole of BMP S<\/span><span class=\"NormalTextRun SCXW25835041 BCX0\">ignaling in M<\/span><span class=\"NormalTextRun SCXW25835041 BCX0\">itochondrial R<\/span><span class=\"NormalTextRun SCXW25835041 BCX0\">egulation <\/span><span class=\"NormalTextRun SCXW25835041 BCX0\">d<\/span><span class=\"NormalTextRun SCXW25835041 BCX0\">uring G<\/span><span class=\"NormalTextRun SCXW25835041 BCX0\">ermline D<\/span><span class=\"NormalTextRun SCXW25835041 BCX0\">evelopment<\/span><\/strong><\/p>\n<p><span class=\"TextRun SCXW193946328 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW193946328 BCX0\">Previous<\/span><span class=\"NormalTextRun SCXW193946328 BCX0\"> studies from our lab have shown that Mad, a key BMP signaling <\/span><span class=\"NormalTextRun SCXW193946328 BCX0\">component<\/span><span class=\"NormalTextRun SCXW193946328 BCX0\">, regulates mitochondrial morphology in spermatocytes. We want to <\/span><span class=\"NormalTextRun SCXW193946328 BCX0\">investigate<\/span><span class=\"NormalTextRun SCXW193946328 BCX0\">\u00a0how BMP signaling influences mitochondrial dynamics, contributing to a sperm-scattering phenotype. <\/span><span class=\"NormalTextRun SCXW193946328 BCX0\">We will employ a proximity labeling assay to <\/span><span class=\"NormalTextRun SCXW193946328 BCX0\">identify<\/span><span class=\"NormalTextRun SCXW193946328 BCX0\"> Mad-interacting proteins within mitochondria<\/span><span class=\"NormalTextRun SCXW193946328 BCX0\">. Additionally, <\/span><span class=\"NormalTextRun SCXW193946328 BCX0\">we will analyze transcriptomic changes in BMP pathway mutants to explore <\/span><span class=\"NormalTextRun SCXW193946328 BCX0\">Mad\u2019s<\/span><span class=\"NormalTextRun SCXW193946328 BCX0\"> indirect role as a transcription factor<\/span><span class=\"NormalTextRun SCXW193946328 BCX0\">.<\/span><\/span><span class=\"EOP SCXW193946328 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<\/div>\n\t\t<\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Our lab investigates the mechanisms of stem cell regulation and how dysregulation may lead to disease states. Specifically, we utilize the powerful\u00a0Drosophila Melanogaster\u00a0as our model system, due to its simple anatomy. This in conjunction with abundant genetic and genomic tools has proven to be well suited to study unrecognized regulatory mechanisms. We combine advanced imaging [&hellip;]<\/p>\n","protected":false},"author":6846,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"acf":[],"publishpress_future_action":{"enabled":false,"date":"2026-04-11 14:43:17","action":"change-status","newStatus":"draft","terms":[],"taxonomy":""},"_links":{"self":[{"href":"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-json\/wp\/v2\/pages\/1541"}],"collection":[{"href":"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-json\/wp\/v2\/users\/6846"}],"replies":[{"embeddable":true,"href":"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-json\/wp\/v2\/comments?post=1541"}],"version-history":[{"count":19,"href":"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-json\/wp\/v2\/pages\/1541\/revisions"}],"predecessor-version":[{"id":1574,"href":"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-json\/wp\/v2\/pages\/1541\/revisions\/1574"}],"wp:attachment":[{"href":"https:\/\/health.uconn.edu\/germline-stem-cells\/wp-json\/wp\/v2\/media?parent=1541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}