{"id":2459,"date":"2018-06-12T11:35:01","date_gmt":"2018-06-12T18:35:01","guid":{"rendered":"https:\/\/keck.usc.edu\/news\/usc-scientists-discover-schizophrenia-gene-roles-in-brain-development\/"},"modified":"2023-11-26T08:25:31","modified_gmt":"2023-11-26T16:25:31","slug":"usc-scientists-discover-schizophrenia-gene-roles-in-brain-development","status":"publish","type":"post","link":"https:\/\/keck.usc.edu\/news\/usc-scientists-discover-schizophrenia-gene-roles-in-brain-development\/","title":{"rendered":"USC scientists discover schizophrenia gene roles in brain development."},"content":{"rendered":"\n \n \n\n\n\n\n\n\n\n
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\n\n \n Press Release<\/span>\n\n\n\n<\/div>\n \n \n
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USC scientists discover schizophrenia gene roles in brain development.<\/h1>\n\n\n<\/div>\n \n \n
\n \n June 12, 2018<\/span>\n <\/div>\n \n \n
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USC researchers have found 150 proteins that contribute to mental disorders. (Illustration\/Evgeny Gromov, iStock)<\/figcaption>\n <\/figure>\n \n \n \n\n<\/div>\n \n\n <\/div><\/div>\n\r\n\r\n\n\n \n \n\n\n\n\n\n\n\n
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A USC research team identified 150 proteins affecting cell activity and brain development that contribute to mental disorders, including schizophrenia, bipolar condition and depression.<\/p>\n

It\u2019s the first time these molecules, which are associated with the disrupted-in-schizophrenia 1 (DISC1) protein linked to mental disorders, have been identified. The scientists developed new tools involving stem cells to determine chemical reactions the proteins use to influence cell functions and nerve growth in people.<\/p>\n

\u201cThis moves science closer to opportunities for treatment for serious mental illness,\u201d said\u00a0Marcelo P. Coba<\/a>, the study author and professor of psychiatry at the\u00a0Zilkha Neurogenetic Institute<\/a>\u00a0at the Keck School of Medicine of USC.<\/p>\n

The findings appear in\u00a0B<\/a>iolog<\/a>i<\/a>c<\/a>al Psychiatry<\/a>.<\/p>\n

Schizophrenia affects less than 1 percent of the U.S. population, but has an outsized impact on disability, suicide and premature deaths.<\/p>\n

The DISC1 gene was linked to schizophrenia nearly 20 years ago. It controls how nerve cells called neurons develop, as well as how the brain matures. DISC1 also directs a network of signals across cells that can contribute to the disease. Scientists say errors in these chemical reactions contribute to schizophrenia.<\/p>\n

But the identity of proteins that DISC1 can regulate is poorly understood, prompting the USC researchers and colleagues from the State University of New York Downstate Medical Center to undertake the research. The challenge was to simulate conditions inside the human brain, Coba explained.<\/p>\n

Using stem cells, they conducted assays resembling habitat where DISC1 does its work. They then used gene editing to insert a molecular tag on DISC1, allowing them to extract it from brain cells and identify the proteins with which it associates.<\/p>\n

Identifying the proteins that interact with DISC1 in brain cells could lead to understanding how the risk factors for psychiatric diseases are connected to specific molecular functions, Coba explained. The discovery enables researchers to determine specific processes that differ in patients suffering from specific mental illnesses.<\/p>\n

\u201cThis gives researchers specific trails to follow within cells from both healthy patients and those diagnosed with disorders,\u201d Coba said.<\/p>\n

Schizophrenia research<\/h3>\n

Schizophrenia is one of the top 15 leading causes of disability worldwide. People with schizophrenia live an average of nearly 29 years less than those without the disorder, according to the\u00a0National Institutes of Mental Health<\/a>\u00a0(NIMH).<\/p>\n

The illness is often accompanied by conditions such as heart disease and diabetes, which contribute to the high premature mortality rate among people with schizophrenia. About 5 percent of people with schizophrenia die by suicide, a rate far greater than the general population, with the highest risk in the early stages of illness, according to the NIMH.<\/p>\n

Authors of the study include Brent Wilkinson of the Zilkha Neurogenetic Institute, Keck School of Medicine; Oleg Evgrafov and James Knowles of the Department of Cell Biology, SUNY Downstate Medical Center; DongQing Zheng, Nicolas Hartel and Nicholas A. Graham of the Mork Family Department of Chemical Engineering and Materials at USC; Justin Ichida of the Department of Stem Cell Biology and Regenerative Medicine at the Keck School of Medicine and the Eli and Edythe Broad CIRM Center for Regenerative Medicine and Stem Cell Research at USC; and Coba of the Zilkha Neurogenetic Institute and Department of Psychiatry and Behavioral Sciences, Keck School of Medicine.<\/p>\n

The work was supported by the National Institute of Child Health and Human Development (MH104603-01A1). Ichida is a New York Stem Cell Foundation-Robertson Investigator and co-founder of Acurastem Inc., a Monrovia-based company based that creates precision medicine for the treatment of amyotrophic lateral sclerosis.<\/p>\n

By\u00a0Gary Polakovic<\/a><\/h4>\n\n\n\n<\/div>\n <\/div>\n\n\n <\/div><\/div>\n","protected":false},"excerpt":{"rendered":"

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