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In addition to the formation of a centralized database, CURE Epilepsy is also intently focused on identifying and funding cutting-edge research in epilepsy curing the epilepsies. This CURE Epilepsy Discovery article will also outline the work of three CURE Epilepsy grants awardees: Dr. Heather Mefford, her mentee Dr. Gemma Carvill, and Dr. Carvill’s mentee Dr. Jeff Calhoun. By funding these outstanding researchers investigating mechanisms underlying genetic epilepsies, CURE Epilepsy is actively supporting the development of the future generation of epilepsy researchers and scientists.
Dr. Heather Mefford is currently at St. Jude Children’s Hospital and received a CURE Epilepsy Award in 2019. As part of this grant, she investigated the causes of Developmental and Epileptic Encephalopathies (DEE). DEE are severe, early-onset epilepsy disorders that are associated with developmental delay and seizures that are resistant to treatment. A specific genetic cause can be correctly identified in about half of the cases of DEE, and this identification can be associated with a correct diagnosis and a favorable prognosis (course of the disease). Also, a proper diagnosis can help the clinician connect the family to appropriate support groups as well. However, about half of those with DEE are not accurately diagnosed, even with state-of-the-art genetic testing. Work done by Dr. Mefford’s team looked for a different cause in those with DEE that are not diagnosed. Her team looked at abnormal methylation – a type of chemical modification in the DNA structure – in individuals with DEE that did not have a diagnosis or cause. Methylation is considered an “epigenetic” modification – these modifications are not hardwired into one’s DNA, but turn genes “on” and “off.” [5]
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