{"id":72919,"date":"2022-02-15T00:00:00","date_gmt":"2022-02-15T06:00:00","guid":{"rendered":"https:\/\/www.unmc.edu\/newsroom\/2022\/02\/15\/unmc-team-ties-microrna-to-meth-use-relapse-2\/"},"modified":"2022-08-29T14:21:16","modified_gmt":"2022-08-29T19:21:16","slug":"unmc-team-ties-microrna-to-meth-use-relapse-2","status":"publish","type":"post","link":"https:\/\/www.unmc.edu\/newsroom\/2022\/02\/15\/unmc-team-ties-microrna-to-meth-use-relapse-2\/","title":{"rendered":"UNMC team ties microRNA to meth use relapse"},"content":{"rendered":"<div class=\"panel body-content\"><div class=\"panel__container\"><p>Methamphetamine use disorder (MUD) is associated with chronic inflammation in the brain. It also has a very high relapse rate &ndash; a recent University of Nebraska-Lincoln study reports that&nbsp;<a href=\"https:\/\/www.ketv.com\/article\/unl-report-nebraska-seeing-rise-in-meth-use\/36998594\" style=\"color:blue; text-decoration:underline\" target=\"_blank\" rel=\"noopener\">meth use and overdose deaths are rising<\/a>&nbsp;in rural parts of the state.&nbsp;<\/p>\n<p>Are those two things &ndash; inflammation in the brain&nbsp;and methamphetamine use disorder relapses &ndash; related?&nbsp;<\/p>\n<p>A University of Nebraska Medical Center-UNL research team, led by Sowmya Yelamanchili, PhD, associate professor of anesthesiology in the UNMC Department of Anesthesiology, recently&nbsp;<a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/jev2.12177\" style=\"color:blue; text-decoration:underline\" target=\"_blank\" rel=\"noopener\">published findings in a leading medical&nbsp;journal<\/a>&nbsp;that establish that connection&nbsp;and much more.&nbsp;<\/p>\n<p>Dr. Yelamanchili and her team report that the microRNA mir-29a&nbsp;&ldquo;plays a critical role in (chronic methamphetamine exposure)-induced inflammation and damage to the synapses.&rdquo;&nbsp;Mir-29a is significantly increased during methamphetamine exposure.<\/p>\n<p>Further, the study found that mir-29a levels show significant increase both with drug-seeking and &ldquo;reinstatement,&rdquo; a model of relapse, in animal models. An anti-inflammatory agent, already an FDA-approved drug for other conditions, can reduce levels of mir-29a&nbsp;and &quot;thereby rescue relapse in animals,&rdquo; Dr. Yelamanchili&nbsp;said.&nbsp;<\/p>\n<p>Through study of plasma from human methamphetamine use disorder subjects, the team has validated mir-29a as a biomarker to detect chronic inflammation and synaptic damage.&nbsp;<\/p>\n<p>These findings show, &ldquo;The presence of this microRNA can cause relapse,&rdquo; Dr. Yelamanchili&nbsp;said.&nbsp;&nbsp;<\/p>\n<p>&ldquo;We are excited to have found this critical lead.&rdquo;&nbsp;<\/p>\n<p>Publication in the field&rsquo;s leading journal, the Journal of Extracellular Vesicles, means the scientific community believes the findings are&nbsp;a big deal. &ldquo;It means these works have a high translational relevance,&rdquo; Dr. Yelamanchili&nbsp;said.<\/p>\n<p>&ldquo;We have covered the entire gamut of addiction,&rdquo; said Gurudutt Pendyala, PhD, Robert Lieberman Professor of Anesthesiology.<\/p>\n<p>Dr. Pendyala is a crucial collaborator, as are Howard Fox, MD, PhD, professor of neurological sciences, and Rick Bevins, PhD, director of UNL&rsquo;s&nbsp;<a href=\"https:\/\/rdar.unl.edu\/\" style=\"color:blue; text-decoration:underline\" target=\"_blank\" rel=\"noopener\">Rural Drug Addiction Research Center<\/a>.&nbsp;<\/p>\n<p>The comprehensive study has been a five-year journey for Dr. Yelamanchili&nbsp;and team. She first got the idea studying how extracellular vesicles &mdash;&nbsp;organelles regulating several body functions, including carrying cargo molecules (in this case microRNA from cell to cell)&nbsp;&mdash;&nbsp;contribute&nbsp;to inflammation in other diseases. Nebraska is first to connect this to MUD.<\/p>\n<p>The team further validated its findings using&nbsp;in vitro&nbsp;cultures, where introducing mir-29a caused damage to synapses, and&nbsp;finally&nbsp;human subject plasma, lending a high degree of translational relevance.&nbsp;<\/p>\n<p>In preclinical animal models, treatment with the anti-inflammatory ibudilast decreased mir-29a, lessened inflammation and &ldquo;rescued&rdquo; damage to the synapses and dendrites. The team, funded through a National Institutes of Health&nbsp;R01 grant, is actively pursuing further therapeutics study and aims to move into clinical subjects, hopefully within a couple years.<\/p>\n<p><b>Working for fellow Nebraskans<\/b><\/p>\n<p>Methamphetamine use disorder (MUD) &ldquo;is a complex brain disease that affects an individual&rsquo;s well-being and can also affect their entire family,&rdquo; according to the National Center on Substance Abuse and Child Welfare. This human concern drives Sowmya Yelamanchili, PhD, Gurudutt Pendyala, PhD, Howard Fox, MD, PhD, and their UNMC teams, in collaboration with Rick Bevins, PhD, and UNL&rsquo;s Rural Drug Addiction Research Center.<\/p>\n<p>These investigators strive to make their lab research translational, so that it reaches their fellow Nebraskans, some of whom have been devastated by the effects of methamphetamine use disorder.<\/p>\n<p>&ldquo;It is very debilitating and stressful, not just for the person taking it, but for the entire society, family members,&rdquo; Dr. Yelamanchili said.<\/p>\n<p>A&nbsp;<a href=\"https:\/\/rdar.unl.edu\/rdar-researchers-publish-new-report-methamphetamine-involved-overdose-deaths-use-estimates-treatment\" style=\"color:blue; text-decoration:underline\" target=\"_blank\" rel=\"noopener\">2021 Rural Drug Addiction Research Center report<\/a>&nbsp;noted that psychostimulant-involved overdose deaths had increased by 58.8% in Nebraska since 2018.<\/p>\n<p>&ldquo;This is a problem that is very close to us here at home in Nebraska,&rdquo; Dr. Pendyala said. &ldquo;We will see how translational this work will become, how it can help the people suffering from this disorder.&rdquo;<\/p>\n<p>Dr. Pendyala said he hopes this study brings &ldquo;a ray of hope.&rdquo;<\/p>\n<p><i><span style=\"color:black\">We are<\/span><\/i><i>&nbsp;<\/i><span style=\"color:black\"><a href=\"http:\/\/www.nebraskamed.com\/\" style=\"color:blue; text-decoration:underline\"><i><span style=\"color:#c00000\">Nebraska Medicine<\/span><\/i><\/a><\/span><i>&nbsp;<\/i><i><span style=\"color:black\">and<\/span><\/i><i>&nbsp;<\/i><span style=\"color:black\"><a href=\"http:\/\/www.unmc.edu\/\" style=\"color:blue; text-decoration:underline\"><i><span style=\"color:#c00000\">UNMC<\/span><\/i><\/a><\/span><i><span style=\"color:#c00000\">.<\/span><\/i><i>&nbsp;<\/i><i><span style=\"color:black\">Our mission is to lead the world in transforming lives to create a healthy future for all individuals and communities through premier educational programs, innovative research and extraordinary patient care.<\/span><\/i><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/twitter.com\/unmc\" style=\"color:blue; text-decoration:underline\"><span style=\"color:#c00000\">Twitter<\/span><\/a>&nbsp;<span style=\"color:#c00000\">&nbsp;|&nbsp;&nbsp;<\/span><a href=\"https:\/\/www.facebook.com\/unmcedu\" style=\"color:blue; text-decoration:underline\"><span style=\"color:#c00000\">Facebook<\/span><\/a><span style=\"color:#c00000\">&nbsp; |&nbsp;&nbsp;<\/span><a href=\"https:\/\/instagram.com\/iamunmc\" style=\"color:blue; text-decoration:underline\"><span style=\"color:#c00000\">Instagram<\/span><\/a><span style=\"color:#c00000\">&nbsp; | &nbsp;<\/span><a href=\"http:\/\/www.youtube.com\/user\/UNMCEDU\" style=\"color:blue; text-decoration:underline\"><span style=\"color:#c00000\">YouTube<\/span><\/a><span style=\"color:#c00000\">&nbsp; | &nbsp;<\/span><a href=\"https:\/\/www.flickr.com\/photos\/unmc\/\" style=\"color:blue; text-decoration:underline\"><span style=\"color:#c00000\">Flickr<\/span><\/a><\/p>\n<p><b>&nbsp;<\/b><\/p>\n<p>&nbsp;<\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Findings show the presence of microRNA can cause relapse<\/p>\n","protected":false},"author":15,"featured_media":72920,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-72919","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","topic-research","department-anesthesiology","department-college-of-medicine","department-neurological-sciences","department-press-release"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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