{"id":14056,"date":"2024-08-13T08:12:35","date_gmt":"2024-08-13T12:12:35","guid":{"rendered":"https:\/\/www.med.unc.edu\/genetics\/?p=14056"},"modified":"2024-08-13T08:12:35","modified_gmt":"2024-08-13T12:12:35","slug":"researchers-highlight-the-genetic-complexity-of-schizophrenia","status":"publish","type":"post","link":"https:\/\/www.med.unc.edu\/genetics\/researchers-highlight-the-genetic-complexity-of-schizophrenia\/","title":{"rendered":"Researchers Highlight the Genetic Complexity of Schizophrenia"},"content":{"rendered":"

A new review article written by Patrick Sullivan, MD, FRANZCP, the Yeargan Distinguished Professor of Psychiatry and Genetics, outlines the genetic foundations for schizophrenia.<\/p>\n

\n
\"\"<\/a>
Patrick Sullivan, MD, FRANZCP<\/figcaption><\/figure>\n

Patrick Sullivan, MD, FRANZCP<\/a>, the Yeargan Distinguished Professor of Psychiatry and Genetics at the UNC School of Medicine, and researchers at the Karolinska Institutet in Stockholm, Sweden, have developed a comprehensive outline of the genetics of schizophrenia. The review\u00a0was published<\/a>\u00a0in\u00a0Nature Reviews Neuroscience<\/em>.<\/p>\n

Schizophrenia is a neuropsychiatric disorder featuring recurrent episodes of psychosis \u2013 such as hallucinations, delusions, and disorganized thinking \u2013 with many patients developing apathy, social withdrawal, and poor emotional control as a result.<\/p>\n

Because schizophrenia has been known to run in families for centuries, researchers have turned to genetic testing and analyses to identify risk factors for the condition. Recent genomic research on schizophrenia has identified nearly 300 common genetic variants and over 20 rare variants as significant risk factors for the disorder.<\/p>\n

These discoveries have emerged from extensive genome-wide association studies, whole-exome sequencing, and other analyses. Simultaneously, studies of the functional organization of the brain have shed light on the intricate cellular composition and interconnections of the brain in both neurotypical individuals and those with schizophrenia.<\/p>\n

These findings reveal a surprising complexity in the mechanisms underlying schizophrenia, emphasizing the role of multiple genes rather than single-gene causation. This \u201cpolygenicity\u201d highlights a mechanism that remains challenging to fully understand due to the lack of robust theoretical frameworks and experimental tools. Sullivan and colleagues reviewed these issues and provided ideas for a path forward in the\u00a0Nature Reviews Neuroscience article<\/em>.<\/p>\n

However, Sullivan and colleagues stress that environmental factors (including lifestyle, drug use, poverty, stress, and complications at birth) are also relevant in addition to genomic risk. Although these factors are more difficult to study compared to the genome, this genetic information is important for researchers to consider because some environmental factors are modifiable.<\/p>\n

\u201cThe findings to date resoundingly indicate complexity,\u201d wrote Sullivan, who is also director of the\u00a0UNC Center for Psychiatric Genomics<\/a>\u00a0and the\u00a0UNC Suicide Prevention Institute<\/a>. \u201cRather than being a deterrent to future research, this knowledge underscores the importance of accepting schizophrenia as a genetic and environmental enigma and scaling our research accordingly in our efforts improve the lives of those impacted by schizophrenia.\u201d<\/p>\n

This article originally appeared in the UNC Health Newsroom.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

A new review article written by Patrick Sullivan, MD, FRANZCP, the Yeargan Distinguished Professor of Psychiatry and Genetics, outlines the genetic foundations for schizophrenia.<\/p>\n","protected":false},"author":28418,"featured_media":13162,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[2],"tags":[55],"class_list":["post-14056","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-sullivan","odd"],"acf":[],"yoast_head":"\nResearchers Highlight the Genetic Complexity of Schizophrenia | Department of Genetics<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.med.unc.edu\/genetics\/researchers-highlight-the-genetic-complexity-of-schizophrenia\/\" \/>\n<meta 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