The candidate is fully trained in pediatrics, medical genetics, and child neurology, and this K08 will allow protected time for the consolidation of skills and establishment of his career as an independent researcher in neurogenetics. The candidate's immediate career goals are to integrate phenotyping, molecular genetics, and computer science skills, and establish a research lab the bridges between next-generation genomic sequencing technologies and bioinformatics. Long term career goals are to further the understanding of the key neurodevelopmental disorders affecting large numbers of children in the United States -- epilepsy, autism, and intellectual disability. Inclusive in these goals are th identification of targets for new disease therapies. Environment The proposed work will be performed at the Seattle Children's Research Institute (SCRI), and whole genome sequencing will be completed at the University Of Washington (UW). UW has a longstanding commitment to excellence in medical research, including world-class resources in the Department of Genome Sciences. Research The proposed project addresses infantile spasms - a significant cause of neurologic morbidity in the pediatric population, and for which new therapies are much needed. We believe the best new therapies will arise when underlying mechanisms of pathogenesis are understood. In this proposal we expand on evidence from our group and others that abnormalities of ventral forebrain development and synapse function account for ISS pathogenesis, by designing experiments that integrate cutting-edge genomics with novel bioinformatics approaches. We expect to improve the clinical classification of the disorders presenting with infantile spasms with a new technique of quantitative phenotyping. We expect to identify several new genetic causes of infantile spasms, and to connect those genes to pathways of pathogenesis that can be acted upon in the future development of disease-specific therapies. Finally, we will deploy a publicly available web-based tool that will help in the diagnosis, counseling, and future therapy selection for these disorders.
Infantile spasms are a severe epilepsy disorder affecting 1 in every 2000-4000 live births, and can be associated with neurologic sequelae such as intractable epilepsy and autism that are a significant burden on public health. Understanding the biological causes of infantile spasms should identify new treatment targets.
|Ma, Mandy; Adams, Heather R; Seltzer, Laurie E et al. (2016) Phenotype Differentiation of FOXG1 and MECP2 Disorders: A New Method for Characterization of Developmental Encephalopathies. J Pediatr 178:233-240.e10|
|PrÃ¶schel, Christoph; Hansen, Jeanne N; Ali, Adil et al. (2016) Epilepsy-causing sequence variations in SIK1 disrupt synaptic activity response gene expression and affect neuronal morphology. Eur J Hum Genet :|
|Selioutski, Olga; Seltzer, Laurie E; Burchfiel, James et al. (2015) Characteristic Features of the Interictal EEG Background in 2 Patients With Malignant Migrating Partial Epilepsy in Infancy. J Clin Neurophysiol 32:e23-9|
|McMahon, Kelly Q; Papandreou, Apostolos; Ma, Mandy et al. (2015) Familial recurrences of FOXG1-related disorder: Evidence for mosaicism. Am J Med Genet A 167A:3096-102|
|Hansen, Jeanne; Snow, Chelsi; Tuttle, Emily et al. (2015) De novo mutations in SIK1 cause a spectrum of developmental epilepsies. Am J Hum Genet 96:682-90|
|Lee, Bo Hoon; Smith, Tristram; Paciorkowski, Alex R (2015) Autism spectrum disorder and epilepsy: Disorders with a shared biology. Epilepsy Behav 47:191-201|
|Paciorkowski, Alex R; McDaniel, Sharon S; Jansen, Laura A et al. (2015) Novel mutations in ATP1A3 associated with catastrophic early life epilepsy, episodic prolonged apnea, and postnatal microcephaly. Epilepsia 56:422-30|
|Seltzer, Laurie E; Paciorkowski, Alex R (2014) Genetic disorders associated with postnatal microcephaly. Am J Med Genet C Semin Med Genet 166C:140-55|
|Paciorkowski, Alex R; Weisenberg, Judy; Kelley, Joshua B et al. (2014) Autosomal recessive mutations in nuclear transport factor KPNA7 are associated with infantile spasms and cerebellar malformation. Eur J Hum Genet 22:587-93|
|Seltzer, Laurie E; Ma, Mandy; Ahmed, Sohnee et al. (2014) Epilepsy and outcome in FOXG1-related disorders. Epilepsia 55:1292-300|
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