263 A De Novo Truncating Mutation of the Gene Encoding Nucleolin in an ASD Individual Disrupts Its Nucleolar Localization
T. Sheikh J. Vincent

264 Air Pollution Exposure Alters Expression of Genes in Human Neurons Previously Implicated in ASD
K. C. Lewis S. M. Bilinovich D. B. Campbell

265 Altered Gene Expression Levels in mTOR Signaling Pathway and Their Association with Cytokine Levels in Idiopathic ASD
B. Stamova J. Schauer F. Sharp J. Van de Water

266 Analysis of Circular RNAs Identified from iPSC-Derived Cortical Neurons from Individuals with Idiopathic Autism
A. J. Griswold D. Van Booven H. N. Cukier D. Dykxhoorn M. A. Pericak-Vance

267 Analysis of Phenotypes Associated with De Novo Pathogenic Loss-of-Function (pLOF) Variants in the Developmental Brain Disorder Gene Database: Are There Autism-Specific Genes?
S. M. Myers H. Shimelis K. E. Wain T. Challman B. Finucane C. L. Martin D. H. Ledbetter

268 Cadherins Matters to Autism Spectrum Disorders: Which Ones?
M. R. Passos-Bueno C. I. Samogy Costa E. M. Montenegro E. S. Moreira C. Rosenberg S. S. Costa A. Krepischi N. Lourenço

269 Identifying NRXN1 Function during Neural Differentiation of iPSC
L. Dutan Polit R. Nagy D. Adhya N. J. Gatford A. T. Massrali A. Paul J. Price M. R. Kotter S. Baron-Cohen D. P. Srivastava

270 Modeling the Effect of Diesel Particulate Matter on Human Induced Pluripotent Stem Cell Derived Cerebral Organoids and Mixed Neural Cultures
S. M. Bilinovich K. L. Uhl K. C. Lewis D. Vogt J. W. Prokop D. B. Campbell

271 Protecting DNA Is a Family Affair: Telomere Length and Cognition in Affected Individuals, Unaffected Siblings, and Parents
C. R. Lewis F. Taguinod J. E. Cohen N. Walker K. Agrawal W. Jepsen M. Huentelman C. J. Smith S. Ringenbach B. B. Braden

272 The Autism Speaks Mssng Whole Genome Sequencing Precision Medicine Resource
S. W. Scherer S. Walker J. Howe R. K. Yuen D. Merico M. Bookman B. Thiruvahindrapuram J. Whitney R. V. Patel B. Trost E. J. Higginbotham Z. Wang G. Pellecchia C. Marshall N. Hoang S. L. Pereira T. Paton R. Davies A. Chan L. D'Abate S. Lamoureux J. Wei W. Sung N. Deflaux J. Bingham B. Fernandez L. Zwaigenbaum E. Anagnostou P. Szatmari W. Roberts M. S. Lewis K. Calli X. Liu D. G. Amaral L. Gallagher E. Cook D. S. Messinger S. Ozonoff I. M. Smith J. Brooks M. Szego M. Fiume C. Nguyen N. Sondheimer M. Quirbach D. Hartley D. Glazer T. W. Frazier

273 Utilizing Extended Families to Prioritize Autism Risk and Protective Variants from Whole Exome Sequencing
M. L. Cuccaro A. J. Griswold L. Gomez D. Van Booven H. N. Cukier E. R. Martin J. P. Hussman M. A. Pericak-Vance