{"id":47939,"date":"2005-02-15T00:00:00","date_gmt":"2005-02-15T06:00:00","guid":{"rendered":"https:\/\/www.unmc.edu\/newsroom\/2005\/02\/15\/enhanced-mri-technique-could-lead-to-earlier-diagnosis-better-monitoring-of-parkinsons-disease\/"},"modified":"2022-08-28T21:40:59","modified_gmt":"2022-08-29T02:40:59","slug":"enhanced-mri-technique-could-lead-to-earlier-diagnosis-better-monitoring-of-parkinsons-disease","status":"publish","type":"post","link":"https:\/\/www.unmc.edu\/newsroom\/2005\/02\/15\/enhanced-mri-technique-could-lead-to-earlier-diagnosis-better-monitoring-of-parkinsons-disease\/","title":{"rendered":"Enhanced MRI technique could lead to earlier diagnosis, \nbetter monitoring of Parkinson\u2019s disease"},"content":{"rendered":"<div class=\"panel body-content\"><div class=\"panel__container\"><p><FONT face=\"Courier New\"><br \/>\n<DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\">Investigators at the University of Nebraska Medical Center have developed an enhanced magnetic resonance imaging (MRI) technique, which permits earlier diagnosis and therapeutic monitoring of Parkinson\u2019s disease in rodents. The breakthrough, which could be translated for human use, appears this week in the Journal of Neuroscience, the leading publication for basic scientists and clinicians who study the function of the nervous system.<\/FONT><\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\"><\/FONT>&nbsp;<\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\">&#8220;This is an exciting new development,\u201d said Michael Boska, Ph.D., associate professor in the UNMC Department of Radiology and principal investigator on the study. \u201cTypically, Parkinson\u2019s disease is not diagnosed in humans until about 50 percent of the brain neurons that control body movement are damaged. By the time it is diagnosed, it is too late to reverse the damage. With this new MRI technique, we are now able to detect Parkinson\u2019s disease in rodents when as few as 25 percent of the brain neurons that control body movement are damaged.\u201d<\/FONT><\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\"><\/FONT>&nbsp;<\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\">The study bridged divergent scientific disciplines, representing collaborative efforts between investigators in the departments of radiology and pharmacology and the UNMC Center for Neurovirology and Neurodegenerative Disorders (CNND).<\/FONT><\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\"><\/FONT>&nbsp;<\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\">Other principal scientists contributing to the project included Howard Gendelman, M.D., director of the CNND and chairman of the UNMC Department of Pharmacology, and R. Lee Mosley, Ph.D., assistant professor of pharmacology and chief of the CNND\u2019s movement disorders program.<\/FONT><\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\"><\/FONT>&nbsp;<\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\">&#8220;We\u2019re optimistic that with more studies we will be able to make diagnosis even earlier,\u201d Dr. Mosley said. \u201cEarlier detection would make a huge difference in treatment of the disease. If this same technology can be translated to humans, this would be a significant development.\u201d<\/FONT><\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\"><\/FONT>&nbsp;<\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\">Parkinson&#8217;s disease is a chronic, debilitating disease without a cure. After Alzheimer\u2019s disease, Parkinson\u2019s disease is the most common neurodegenerative disease. It affects 1 in 100 people over the age of 60, with the average age of onset being 60 years.&nbsp; Approximately 500,000 people in the United States have Parkinson\u2019s disease with as many as 50,000 new cases diagnosed each year.<\/FONT><\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\"><\/FONT>&nbsp;<\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\">The disease occurs equally in men and women and can also affect younger people.&nbsp;Young-onset Parkinson\u2019s disease (onset at age 40 or younger) is estimated to occur in 5 to 10 percent of patients with Parkinson\u2019s disease. The disease is characterized by four major features: tremor of a limb; slowness of movement; rigidity of the limbs or trunk; and poor balance. <\/FONT><\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\"><\/FONT>&nbsp;<\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\">When at least two of these symptoms are present, and especially if they are more evident on one side than the other, a diagnosis is typically made. Symptoms typically begin on one side of the body and spread over time to the other side. Both younger and older patients may experience initial symptoms for a year or more before seeking medical evaluation.<\/FONT><\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\"><\/FONT>&nbsp;<\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\">The&nbsp;study used magnetic resonance spectroscopic imaging (MRSI), a variation of magnetic resonance imaging (MRI), which is available in most hospitals. MRSI, which can be done in humans, uses a standard MRI unit equipped with custom software.<\/FONT><\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\"><\/FONT>&nbsp;<\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\">The study used a MRI research unit with a magnetic field strength of 7 Tesla. The unit is located at The Nebraska Medical Center, the teaching hospital for UNMC. Higher field systems of MRI improve the signal quality and can provide detailed chemical composition from tissue volumes the size of a pinhead.<\/FONT><\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\"><\/FONT>&nbsp;<\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\">Human clinical scanners are typically up to 1.5 Tesla. A new FDA-approved system with a field strength of 3 Tesla will be installed at The Nebraska Medical Center next fall in the Clinical Center of Excellence building now under construction. This new system will be an important tool for rapid scanning and early diagnosis of the brain, Dr. Boska said.<\/FONT><\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\"><\/FONT>&nbsp;<\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\">The MRSI technique allows scientists to make a chemical analysis of the brain without doing a biopsy. \u201cBy extracting the chemical make-up of the brain, we are able to make a precise determination of how much brain degeneration has occurred,\u201d Dr. Boska said. \u201cIn essence, it\u2019s a non-invasive biopsy of the brain tissue.\u201d <\/FONT><\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\"><\/FONT>&nbsp;<\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\">Previously, this sort of information could only be attained at autopsy or with a brain biopsy.<\/FONT><\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\"><\/FONT>&nbsp;<\/DIV><\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\">In June 2004, scientists at UNMC and Columbia University Medical Center in New York discovered a new vaccine approach that successfully prevents the death of brain cells in a mouse model of Parkinson&#8217;s disease. The findings appeared in the Proceedings of the National Academy of Sciences (PNAS) of the United States of America.<\/FONT><\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\"><\/FONT>&nbsp;<\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\">The MRSI technique was used to support the vaccine work in the June study. The new study represents a critical next step toward human vaccine testing, Dr. Boska said, as monitoring systems must be established to determine therapeutic responses in humans.<\/FONT><\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\"><\/FONT>&nbsp;<\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\">\u201cWe still have technical challenges that need to be overcome,\u201d Dr. Gendelman said. \u201cBut, this is a significant step forward toward better diagnosis and treatment of Parkinson\u2019s disease.\u201d <\/FONT><\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\"><\/FONT>&nbsp;<\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\">\u201cDr. Boska\u2019s use of MRSI is nothing short of cutting-edge for modeling disease in real-time,\u201d said Harris Gelbard, M.D., Ph.D., professor, University of Rochester School of Medicine, and a collaborator with the CNND on a study looking at therapeutic interventions for HIV-dementia. \u201cMost importantly, using MRSI has helped us determine whether neuroprotective drugs work in living animals, which is not always the case in cell culture studies. That Dr. Boska was able to utilize MRSI to study whether a very novel Parkinson\u2019s vaccine approach is neuroprotective (i.e. therapeutic) represents a vanguard for neuroscience. I believe this is the future of how translational studies should be performed when modeling human disease.\u201d<\/FONT><\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\"><\/FONT>&nbsp;<\/DIV><br \/>\n<DIV><FONT face=\"Times New Roman\" size=\"3\">The work was supported, in part, by the Alan and Marcia Baer Foundation, the Fran and Louis Blumkin Foundation, Inc. and five grants from the National Institute of Neurological Disorders and Stroke and the National Institute for Mental Health, two of the institutes that make up the National Institutes of Health.<\/FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/DIV><\/FONT><\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Investigators at the University of Nebraska Medical Center have developed an enhanced magnetic resonance imaging (MRI) technique, which permits earlier diagnosis and therapeutic monitoring of Parkinson\u2019s disease in rodents. The breakthrough, which could be translated for human use, appears this week in the Journal of Neuroscience, the leading publication for basic scientists and clinicians who [&hellip;]<\/p>\n","protected":false},"author":79,"featured_media":0,"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-47939","post","type-post","status-publish","format-standard","hentry","category-uncategorized","department-press-release"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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