{"id":48293,"date":"2007-02-12T00:00:00","date_gmt":"2007-02-12T06:00:00","guid":{"rendered":"https:\/\/www.unmc.edu\/newsroom\/2007\/02\/12\/unmc-researcher-makes-important-discovery-in-cause-of-alzheimers-disease\/"},"modified":"2022-08-28T19:36:08","modified_gmt":"2022-08-29T00:36:08","slug":"unmc-researcher-makes-important-discovery-in-cause-of-alzheimers-disease","status":"publish","type":"post","link":"https:\/\/www.unmc.edu\/newsroom\/2007\/02\/12\/unmc-researcher-makes-important-discovery-in-cause-of-alzheimers-disease\/","title":{"rendered":"UNMC researcher makes important discovery in cause of Alzheimer\u2019s disease"},"content":{"rendered":"

Knowing the cause of any disease is the biggest boon to finding ways to fight and treat it. <\/p>\n

UNMC researcher, Tsuneya Ikezu, M.D., Ph.D., is trying to do just that in the case of Alzheimer’s disease. <\/p>\n

In an article published this month in The American Journal of Pathology, Dr. Ikezu and his team explain how the inflammatory response generated from the immune cells of the brain, also known as microglia and astrocytes, affect clearance of amyloid plaques. Such plaques are linked to mental deterioration in Alzheimer’s disease. <\/p>\n

Dr. Ikezu has found that when signaling between the microglia and astrocytes is disrupted, inflammation of the brain is also slowed down.
\n“These are important findings that are able to link inflammation to the progression of Alzheimer’s disease,” Dr. Ikezu said. “Although this is just one of the mechanisms that cause this horrific disease, it is a very important one.” <\/p>\n

Dr. Ikezu said that when the microglia and astrocytes cells that surround the amyloid plaques in the brain are overstimulated they produce pro-inflammatory cytokines. <\/p>\n

The inflammation caused by the cytokines affects neuronal functioning which leads to degeneration of nerve cells. <\/p>\n

The next step in Dr. Ikezu’s research is to find a way to stop the activation of the astrocytes and microglia, thus reducing amyloid accumulation and potentially slowing down the progression of Alzheimer’s disease. <\/p>\n

Dr. Ikezu’s study was done using two sets of mice, a control group and a Swedish mutant amyloid precursor protein (APP) transgenic type of mouse in which the interferon-gamma receptor was knocked out silencing the major pro-inflammatory cytokine signal. <\/p>\n

In comparison, Dr. Ikezu discovered that when the interferon-gamma receptor is knocked out it also prevents the ability of the astrocytes and microglia cells from producing a key pro-inflammatory cytokine TNF-alpha (tumor necrosis factor-alpha), which promotes amyloid deposition in the brain. <\/p>\n

“Our theory is that the TNF inhibitor might be able to stop the activation of the astrocytes and microglia, reduce amyloid accumulation, and potentially slow down the progression of the disease,” Dr. Ikezu said. <\/p>\n

The findings developed in this study demonstrate the importance of inflammatory responses in the progressive nature of Alzheimer’s disease. These works not only are very novel in approach but signal a unique path to track the disease and to develop novel therapies for mental deterioration, said Howard Gendelman, M.D., Professor and Chairman of the Department of Pharmacology and Experimental Neuroscience at UNMC. <\/p>\n

“No question this is one important step toward someday finding a ‘true’ cure for this devastating disease,” Dr. Ikezu said. <\/p>\n

UNMC is the only public health science center in the state. Its educational programs are responsible for training more health professionals practicing in Nebraska than any other institution. Through its commitment to education, research, patient care and outreach, UNMC has established itself as one of the country’s leading centers in cancer, transplantation biology, bioterrorism preparedness, neurodegenerative diseases, cardiovascular diseases, genetics, biomedical technology, ophthalmology and arthritis. UNMC’s research funding from external sources is now nearly $80 million annually and has resulted in the creation of more than 2,400 highly skilled jobs in the state. UNMC’s physician practice group, UNMC Physicians, includes more than 460 physicians in 50 specialties and subspecialties. They practice primarily in The Nebraska Medical Center, UNMC’s teaching hospital. For more information, go to UNMC’s Web site at www.unmc.edu.<\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"

Knowing the cause of any disease is the biggest boon to finding ways to fight and treat it. UNMC researcher, Tsuneya Ikezu, M.D., Ph.D., is trying to do just that in the case of Alzheimer’s disease. In an article published this month in The American Journal of Pathology, Dr. Ikezu and his team explain how […]<\/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-48293","post","type-post","status-publish","format-standard","hentry","category-uncategorized","department-press-release"],"yoast_head":"\nUNMC researcher makes important discovery in cause of Alzheimer\u2019s disease<\/title>\n<meta name=\"description\" content=\"Knowing the cause of any disease is the biggest boon to finding ways to fight and treat it. 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