VinodhNarayananMD

PubMed

• Nuclease-free precise genome editing corrects MECP2 mutations associated with Rett syndrome.
  Swati Bijlani, Ka Ming Pang, Lakshmi V Bugga, Sampath Rangasamy, Saswati Chatterjee, Vinodh Narayanan> ;Frontiers in Genome Editing. 2024 Jan 1
• An autosomal-dominant childhood-onset disorder associated with pathogenic variants in VCP.
  Annelise Y Mah-Som, Jil Daw, Diana Huynh, Mengcheng Wu, Benjamin C Creekmore, William Burns, Steven A Skinner, Øystein L Holla, Marie F Smeland, Marc Planes, Kevin Ugu...> ;American Journal of Human Genetics. 2023 Nov 2
• 1 citations
  Inherited CSNK2A1 variants in families with Okur-Chung neurodevelopmental syndrome.
  Newell Belnap, Aiai Price-Smith, Keri Ramsey, Kamawela Leka, Anna Abraham, Emma Lieberman, Katie Hassett, Sai Potu, Natasha Rudy, Kirstin Smith, Fady M Mikhail, Kirsti...> ;Clinical Genetics. 2023 Nov 1
• 1 citations
  Bi-allelic SNAPC4 variants dysregulate global alternative splicing and lead to neuroregression and progressive spastic paraparesis.
  F Graeme Frost, Marie Morimoto, Prashant Sharma, Lyse Ruaud, Newell Belnap, Daniel G Calame, Yuri Uchiyama, Naomichi Matsumoto, Machteld M Oud, Elise A Ferreira, Vinod...> ;American Journal of Human Genetics. 2023 Apr 6
• 3 citations
  Variants Associated with Febrile Seizures.
  Ciria C Hernandez, Yanwen Shen, Ningning Hu, Wangzhen Shen, Vinodh Narayanan, Keri Ramsey, Wen He, Liping Zou, Robert L Macdonald> ;Biomolecules. 2023 Feb 22
• 7 citations
  Gain-of-function variants in the ion channel geneunderlie a spectrum of neurodevelopmental disorders.
  Lydie Burglen, Evelien Van Hoeymissen, Leila Qebibo, Magalie Barth, Newell Belnap, Felix Boschann, Christel Depienne, Katrien De Clercq, Andrew G L Douglas, Mark P Fit...> ;Elife. 2023 Jan 17
• 1 citations
  Expanding allelic and phenotypic spectrum of ZC4H2-related disorder: A novel hypomorphic variant and high prevalence of tethered cord.
  Parith Wongkittichote, Tae-Ik Choi, Oc-Hee Kim, Kacie Riley, Dwight Koeberl, Vinodh Narayanan, Keri Ramsey, Chris Balak, Charles E Schwartz, Anna Maria Cueto-Gonzalez,...> ;Clinical Genetics. 2023 Feb 1
• 1 citations
  Neuropsychological and Social Characteristics of a 7 Year Old Child with Hypomelanosis of Ito Followed for 11 Years.
  George P Prigatano, Alexandra Novak, Vinodh Narayanan> ;Developmental Neuropsychology. 2022 Sep 1
• 5 citations
  An Integrated Phenotypic and Genotypic Approach Reveals a High-Risk Subtype Association for EBF3 Missense Variants Affecting the Zinc Finger Domain.
  Cole A Deisseroth, Vanesa C Lerma, Christina L Magyar, Jessica Mae Pfliger, Aarushi Nayak, Nathan D Bliss, Ashley W LeMaire, Vinodh Narayanan, Christopher Balak, Ginev...> ;Annals of Neurology. 2022 Jul 1
• 2 citations
  Gain and loss of TASK3 channel function and its regulation by novel variation cause KCNK9 imprinting syndrome.
  Margot A Cousin, Emma L Veale, Nikita R Dsouza, Swarnendu Tripathi, Robyn G Holden, Maria Arelin, Geoffrey Beek, Mir Reza Bekheirnia, Jasmin Beygo, Vikas Bhambhani, Ma...> ;Genome Medicine. 2022 Jun 13
• Phenotypic and genetic spectrum of ATP6V1A encephalopathy: a disorder of lysosomal homeostasis.
  Renzo Guerrini, Davide Mei, Katalin Kerti-Szigeti, Sara Pepe, Mary Kay Koenig, Gretchen Von Allmen, Megan T Cho, Kimberly McDonald, Janice Baker, Vikas Bhambhani, Zöe ...> ;Brain. 2022 Aug 27
• 3 citations
  SEMA6B variants cause intellectual disability and alter dendritic spine density and axon guidance.
  Amélie Cordovado, Martina Schaettin, Médéric Jeanne, Veranika Panasenkava, Anne-Sophie Denommé-Pichon, Boris Keren, Cyril Mignot, Martine Doco-Fenzy, Lance Rodan, Keri...> ;Human Molecular Genetics. 2022 Sep 29
• Progressive cerebellar atrophy caused by heterozygous TECPR2 mutations.
  Keri Ramsey, Newell Belnap, Anna Bonfitto, Wayne Jepsen, Marcus Naymik, Meredith Sanchez-Castillo, David W Craig, Szabolcs Szelinger, Matthew J Huentelman, Vinodh Nara...> ;Molecular Genetics & Genomic Medicine. 2022 Feb 1
• Author Correction: Deficiency of TET3 leads to a genome-wide DNA hypermethylation episignature in human whole blood.
  Michael A. Levy, David B. Beck, Kay Metcalfe, Sofia Douzgou, Sivagamy Sithambaram, Trudie Cottrell, Muhammad Ansar, Jennifer Kerkhof, Cyril Mignot, Marie-Christine Nou...> ;NPJ Genomic Medicine. 2021 Nov 24
• 2 citations
  A novel insertion mutation in Atlastin 1 is associated with spastic quadriplegia, increased membrane tethering, and aberrant conformational switching
  Carolyn M. Kelly, Peter J. Zeiger, Vinodh Narayanan, Keri Ramsey, Holger Sondermann> ;The Journal of Biological Chemistry. 2021 Nov 19
• 11 citations
  Deficiency of TET3 leads to a genome-wide DNA hypermethylation episignature in human whole blood.
  Michael A. Levy, David B. Beck, Kay Metcalfe, Sofia Douzgou, Sivagamy Sithambaram, Trudie Cottrell, Muhammad Ansar, Jennifer Kerkhof, Cyril Mignot, Marie-Christine Nou...> ;NPJ Genomic Medicine. 2021 Nov 8
• 34 citations
  Artificial intelligence enables comprehensive genome interpretation and nomination of candidate diagnoses for rare genetic diseases.
  Francisco M. De La Vega, Shimul Chowdhury, Barry Moore, Erwin Frise, Jeanette McCarthy, Edgar Javier Hernandez, Terence C. Wong, Kiely N. James, Lucia Guidugli, Pankaj...> ;Genome Medicine. 2021 Oct 14
• Progressive bilateral nuclear cataracts associated with cerebellar-facial-dental syndrome: case report, literature review, and identification of a new genetic variant
  Brianna Pandey, Newell Belnap, Christopher Balak, Matthew J. Huentelman, Keri Ramsey, Vinodh Narayanan, James Plotnik> ;Journal of AAPOS. 2021 Oct 7
• 13 citations
  CSNK2B: A broad spectrum of neurodevelopmental disability and epilepsy severity
  Michelle E. Ernst, Evan H. Baugh, Amanda Thomas, Louise Bier, Natalie Lippa, Nicholas Stong, Maureen S. Mulhern, Sulagna Kushary, Cigdem I. Akman, Erin L. Heinzen, Ray...> ;Epilepsia. 2021 May 26
• 9 citations
  Okur-Chung neurodevelopmental syndrome-linked CK2α variants have reduced kinase activity
  I Dominguez, J M Cruz-Gamero, V Corasolla, N Dacher, Sampathkumar Rangasamy, A Urbani, Vinodh Narayanan, H Rebholz> ;Human Genetics. 2021 May 4
• 11 citations
  Intellectual disability-associated UNC80 mutations reveal inter-subunit interaction and dendritic function of the NALCN channel complex
  Jinhong Wie, Apoorva Bharthur, Morgan Wolfgang, Vinodh Narayanan, Keri Ramsey, Kimberly Aranda, Qi Zhang, Yandong Zhou, Dejian Ren> ;Nature Communications. 2020 Jul 3
• 5 citations
  Congenital myasthenic syndrome caused by a frameshift insertion mutation in GFPT1.
  Szabolcs Szelinger, Jonida Krate, Keri Ramsey, Samuel P. Strom, Perry B. Shieh, Hane Lee, Newell Belnap, Chris Balak, Ashley L. Siniard, Megan Russell, Ryan Richholt, ...> ;Neurology. Genetics. 2020 Jun 30
• 13 citations
  Primrose syndrome: Characterization of the phenotype in 42 patients
  Daniela Melis, Daniel R. Carvalho, Tina Barbaro-Dieber, Alberto J. Espay, Michael J. Gambello, Blanca Gener, Erica H. Gerkes, Marrit M. Hitzert, Hanne B Hove, Sandra J...> ;Clinical Genetics. 2020 Jun 1
• 18 citations
  Damaging de novo missense variants in EEF1A2 lead to a developmental and degenerative epileptic-dyskinetic encephalopathy.
  Gemma L. Carvill, Katherine L. Helbig, Candace T. Myers, Marcello Scala, Robert Huether, Sara A. Lewis, Tyler N. Kruer, Brandon S. Guida, Somayeh Bakhtiari, Joy Y. Seb...> ;Human Mutation. 2020 Jul 1
• 17 citations
  Widening of the Genetic and Clinical Spectrum of Lamb-Shaffer Syndrome, a Neurodevelopmental Disorder Due to SOX5 Haploinsufficiency
  Ash Zawerton, Cyril Mignot, Ashley N. Sigafoos, Patrick R. Blackburn, Abdul Haseeb, Kirsty McWalter, Shoji Ichikawa, Caroline Nava, Boris Keren, Perrine Charles, Isabe...> ;Genetics in Medicine. 2020 Mar 1
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Journal Articles

• Refining the Phenotype Associated with GNB1 Mutations: Clinical Data on 18 Newly Identified Patients and Review of the Literature  
  Vinodh Narayanan, Nancy J Mendelsohn, Ana Bircher, Tristan T Sands, Alejandro Iglesias, American Journal of Medical Genetics Part A
• De Novo Variant in KIF26B Is Associated with Pontocerebellar Hypoplasia with Infantile Spinal Muscular Atrophy  
  Pankaj B Agrawal, Vinodh Narayanan, Monica H Wojcik, Sanjay P Prabhu, American Journal of Medical Genetics Part A
• A Novel FBXO28 Frameshift Mutation in a Child with Developmental Delay, Dysmorphic Features, and Intractable Epilepsy: A Second Gene That May Contribute to the 1q41‐q4...  
  Vinodh Narayanan, Newell Belnap, American Journal of Medical Genetics Part A
• "A de novo splice-site mutation in CASK causes FG syndrome-4 and congenital nystagmus"  
  Dunn P, Prigatano GP, Szelinger S, et al, American Journal of Medical Genetics, Part A, 1/1/2017
• "An Atypical presentation of ACAD9 deficiency: Diagnosis by whole exome sequencing broadens the phenotypic spectrum and alters treatment approach"  
  Aintablian HK, Narayanan V, Belnap N, Ramsey K, Grebe T, Molecular Genetics and Metabolism Reports, 1/1/2017
• "A gain-of-function mutation in GRIK2 causes neurodevelopmental deficits"  
  Guzman YF, Ramsey K, Stolz JR, Craig DW, Huentelman MJ, Narayanan V, Swanson GT, Neurology Genetics, 1/1/2017
• "KCNQ2 encephalopathy: Features, mutational hot spots, and ezogabine treatment of 11 patients"  
  Millichap JJ, Park K, Tsuchida T, et al, Neurology Genetics, 1/1/2016
• "A De novo missense mutation in ZMYND11 is associated with global developmental delay, seizures and hypotonia"  
  Moskowitz A,M, Belnap N, Siniard A.L., et al, Cold Spring Harbor Molecular Case Studies, 1/1/2016
• "Dystonia in ATP2B3-associated X-linked spinocerebellar ataxia"  
  Feyma T, Ramsey K, Huentelman MJ, Craig DW, Narayanan V, Kruer MC, Movement Disorders, 1/1/2016
• "A De Novo mutation in TEAD1 causes non-X linked Aicardi Syndrome"  
  Schrauwen I, Szelinger S, Siniard AL, Corneveaux JJ, Kurdoglu A, Richholt R, DeBoth M, Malencia I, Swaminathan, S, Rangasamy S, Kulkarni N, Bernes S, Buchhalter J, Ram..., Investigative Ophthalmology and Visual Science, 1/1/2015
• "A frame-shift mutation in CAV1 is associated with a severe neonatal progeroid and lipodystrophy syndrome"  
  Schrauwen I, Szelinger S, Siniard AL, Kurdoglu A, Corneveaux JJ, Malencia I, Richholt R, van Camp G, DeBoth M, Swaminathan, S, Turk M, Ramsey K, Craig DW, Narayanan V,..., PLOS One, 1/1/2015
• "High incidence of Noonan Syndrome features, including short stature and pulmonic stenosis in patients carrying NF1 missense mutations affecting pArg1809: Genotype-phe...  
  Rojnueangnit K, Xie J, Gomes A, et al, Human Mutation, 1/1/2015
• "Electrophysiological phenotypes of MeCP2 A140V mutant mouse model"  
  Ma L-Y, Wu C, Jin Y, Gao M, Li G-H, Turner D, Shen J-X, Zhang S-J, Narayanan V, Jentarra G, Wu J, CNS Neuroscience and Therapeutics, 1/1/2014
• "Simultaneous recordings of ocular microtremor and microsaccades with a piezoelectric sensor and a video-oculography system"  
  McCamy MB, Collins N, Otero-Millan J, Al-Kabani M, Macknick SL, Coakley D, Troncoso XG, Boyle G, Narayanan V, Wolf TR, Martinez-Conde S, PeerJ, 1/1/2013
• "Epigenetics, autism spectrum, and neurodevelopmental disorders"  
  Rangasamy S, D'Mello SR, Narayanan V, Neurotherapeutics, 1/1/2013
• "Isoform-specific toxicity of Mecp2 in postmitotic neurons: suppression of neurotoxicity by FoxG1"  
  Dastidar SG, Bardai FH, Ma C, Price V, Rawat V, Verma P, Narayanan V, D'Mello SR, J Neuroscience, 1/1/2012
• "Evidence for population variation in TSC1 and TSC2 gene expression"  
  Jentarra GM, Rice SG, Olfers S, Saffen D, Narayanan V, BMC Medical Genetics, 1/1/2011
• "Autosomal recessive spastic ataxia of Charlevoix-Saguenay (ARSACS): Compound heterozygotes for nonsense mutations of the SACS gene"  
  Narayanan V, Rice SG, Ofers SS, Sivakumar K, Journal of Child Neurology, 1/1/2011
• "Genetics and Child Neurology: What every trainee/resident should know"  
  Narayanan V, Seminars in Pediatric Neurology, 1/1/2011
• "Skewed allele-specific expression of the NF1 gene in normal subjects: A possible mechanism for phenotypic variability in NF1"  
  Jentarra GM, Rice SG, Olfers SS, Rajan C, Saffen DM, Narayanan V, Journal of Child Neurology, 1/1/2011
• "Abnormalities of cell packing density and dendritic complexity in the MeCP2 A140V mouse model of Rett syndrome/X-linked mental retardation"  
  Jentarra GM, Olfers SS, Rice SG, Srivastava N, Homanics GE, Blue M, Naidu S, Narayanan V, BMC Neuroscience, 1/1/2010
• "Clinical and mutational spectrum of Neurofibromatosis Type 1-like syndrome"  
  Messiaen L, Yao S, Brems H, et al, JAMA, 1/1/2009
• "Identification of somatic chromosomal abnormalities in hypothalamic hamartoma tissue at the GLI3 locus"  
  Craig DW, Itty A, Panganiban C, Szelinger S, Kruer MC, Sekar A, Reiman D, Narayanan V, Stephan DA, Kerrigan JF, Am J Hum Genetics, 1/1/2008
• "Ataxia with oculomotor apraxia"  
  Liu W, Narayanan V, Seminars in Pediatric Neurology, 1/1/2008
• "A Novel Mutation of the ARX gene in a Male with Non-syndromic Mental Retardation"  
  Troester MM, Trachtenberg TA, Narayanan V, J Child Neurology, 1/1/2007
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Books/Book Chapters

• Swaiman's Pediatric Neurology: Principles and Practice 
  Chapter: "Cellular and Animal Models of Neurological Disease" 
  Rangasamy S, Narayanan M, Schrauwen I, Muotri A, Narayanan VEditors: K Swaiman, S Ashwal, D Ferriero, N Schor.Edition 6th,2015
• Current Management in Child Neurology 
  Chapter: "Hereditary Neuropathy" 
  Page 391 - 398Sivakumar, K, and Narayanan, V.Editors: Maria, B.L..Edition 3rd,2005
• Current Therapy in Neurological Diseases 
  Chapter: "An approach to the evaluation of patients with the tuberous sclerosis complex" 
  Bodensteiner, JB, and Narayanan, V.Editors: RT Johnsons, JW Griffin, JC McCarthur.2005
• Conn's Current Therapy 2000 
  Chapter: "Viral Meningitis and Encephalitis" 
  Page 894 - 896Narayanan, V.Editors: Rakel, R.E..W.B. Saunders Co., Philadelphia, PA2000
• Apoptosis in Neurobiology 
  Chapter: "Cell Death in the Developing Nervous System" 
  Page 13 - 22Narayanan, V.Editors: Y.A., and Boustany, R-M..CRC Press LLC, Boca Raton, FL1999
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Abstracts/Posters

• Neurodegeneration associated with WDR45 mutation in a brother and sister: BPAN (beta-propeller protein-associated neurodegeneration) due to maternal gonadal mosaicism.
  Szelinger S, et al, Annual Meeting of the American College of Medical Genetics, 1/1/2015
• Missense mutations of DST (encoding dystonin) cause neonatal feeding difficulty, hypotonia, dystonia, choreoathetosis and hypoalgesia.
  Narayanan V, Ramsey K, Narayanan M, Rangasamy S, Szelinger S, Corneveaux JJ, Schrauwen I, Siniard A, Kurdoglu A, Richholt R, de Both M, Swaminathan S, Huentelman M, Cr..., Annual Meeting of the Child Neurology Society, 1/1/2014
• Congenital Myasthenia Syndrome: Uniparental disomy of chromosome 2 and homozygous mutation of GFPT1.
  Rangasamy S, Szelinger S, Ramsey K, Krate J, Corneveaux JJ, Schrauwen I, Siniard A, Kurdoglu A, Richholt R, de Both M, Swaminathan S, Huentelman M, Craig D, Narayanan V, Annual Meeting of the American Society of Human Genetics, 1/1/2014
• Diagnostic sequencing in integrated clinical and research laboratory setting for 100 families at the Dorrance Center for Rare Childhood Disorders.
  Szelinger S, Ramsey KM, Siniard A, Schrauwen I, Corneveaux JJ, Kurdoglu A, Krate J, Malenica I, Richholt R, Rangasamy S, Huentelman M, Narayanan V, Craig DW, Annual Meeting of the American Society of Human Genetics, 1/1/2014
• Development of an in vitro assay using cerebellar granule neurons for therapeutic screens in Rett syndrome.
  Rangasamy S, Snyder S, Yin H, Narayanan V, Annual Meeting of the Society for Neuroscience, 1/1/2014
• A heterozygous frame-shift mutation in CAV1 causes a severe congenital lipodystrophy syndrome.
  Schrauwen I, Szelinger S, Siniard A, Kurdoglu A, Corneveaux J, Malencia I, Craig D, Narayanan V, Huentelman M, Annual Meeting of the European Society for Human Genetics, 1/1/2013
• Molecular regulation of neuronal size in MeCP2 A140V mutant mice.
  Rangasamy S, Olfers S, Narayanan V, Annual Meeting of the Society for Neuroscience, 1/1/2013
• Aicardi-Goutieres Syndrome: Phenotypic variability and diagnosis in a series of cases using whole exome and RNA sequencing.
  Narayanan V, Szelinger S, Corneveaux JJ, Schrauwen I, Siniard AL, Kurdoglu AA, Malencia I, Ramsey K, Craig D, Huentelman MJ, Narayanan V, Szelinger S, Corneveaux JJ, Schrauwen I, Siniard AL, Kurdoglu AA, Malencia I, Ramsey K, Craig D, Huentelman MJ, 1/1/2013
• Rett syndrome, MeCP2, Rictor, and neuronal size.
  Rangasamy S, Olfers SS, Yin H, Narayanan V, Annual Meeting of the Child Neurology Society, 1/1/2013
• Studies in female MeCP2 A140V mice: morphology of neurons expressing wild-type vs. mutant MeCP2.
  Rangasamy S, Snyder S, Jentarra G, Rice G, Narayanan V, Annual Meeting of the Society for Neuroscience, 1/1/2012
• ARSACS: Genetic and molecular studies in the first reported American family.
  Rice SG, Olfers SS, Narayanan V, Annual Meeting of the Southern Pediatric Neurology Society, 1/1/2011
• Genomic microarrays in a cohort of developmentally delayed children with and without epilepsy.
  Pati S, Deep A, Narayanan V, Annual Meeting of the Southern Pediatric Neurology Society, 1/1/2011
• Complete spontaneous regression of optic pathway glioma in NF1.
  Park C, Karis J, Narayanan V, CTF Annual Meeting, 1/1/2010
• Evaluation of developmental abnormalities of dendritic structure and protein pathways in MeCP2 A140V "knock-in" mutant mice.
  Jentarra GJ, Olfers SS, Rice SG, Naidu S, Narayanan V, International Rett Syndrome Foundation, Annual Meeting, 1/1/2010
• Axonal transport defect in the Nf1-/+ mice: a manganese-enhanced MRI study.
  Bennett K, Olfers SS, Narayanan V, Annual Meeting of the Child Neurology Society, 1/1/2010
• The temporal course of development of dendrite pathology in MeCP2 A140V "knock-in" mutant mice.
  Jentarra GJ, Olfers SS, Rice SG, Naidu S, Narayanan V, Annual Meeting of the Society for Neuroscience, 1/1/2010
• Hyperekplexia: Case presentation of a "stiff baby" and review of pathophysiology.
  Jayakody H, Park C, Narayanan V, Southern Pediatric Neurology Society, 1/1/2009
• Developmental analysis of dendrite structure in the MeCP2 A140V "knock-in" mutant mouse model of Rett/XLMR.
  Jentarra GM, Olfers SS, Rice SG, Homanics G, Naidu S, Narayanan V, International Rett Syndrome Foundation Meeting, 1/1/2009
• "Allelic expression imbalance (AEI) of the NF1 gene"
  Rajan C, Rice SG, Olfers SS, Jentarra GJ, Narayanan V, Barrow Neurological Institute, Summer Student Presentation, Phoenix, AZ, 1/1/2009
• Allelic expression imbalance (AEI) and variability of phenotype in tuberous sclerosis complex.
  Jentarra GJ, Rice SG, Olfers SS, Narayanan V, Southern Pediatric Neurology Society Meeting, 1/1/2008
• Intractable childhood absence epilepsy in siblings with connexin-26 gene mutation.
  Chapman K, Narayanan V, Aleck K, Child Neurology Society, 1/1/2008
• Allelic expression imbalance (AEI) of the TSC genes.
  Rice SG, Jentarra G, Snyder S, Narayanan V, Child Neurology Society, 1/1/2008
• Allelic expression imbalance (AEI) and variability of phenotype in tuberous sclerosis complex.
  Jentarra GM, Rice SG, Olfers SS, Narayanan V, Society for Neuroscience, 1/1/2008
• Leukoencephalopathy in Ataxia Oculomotor Apraxia.
  Liu W, Troester M, Narayanan V, Annual Meeting of the Southern Pediatric Neurology Society, New Orleans, LA, 1/1/2007
• Axonal transport in the Nf1-/+ knock-put mouse.
  Snyder S, Rice, SG, Jentarra G, Vallejo J, Narayanan V, Children's Tumor Foundation NF Meeting, Park City, UT, 1/1/2007
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Lectures

• Neurogenomics Approach to the Diagnosis of Neurological Disorders 
  1/12/2016
• Genetics and Epilepsy 
  Phoenix Children's Hospital - 1/18/2015
• Rett Syndrome: Bench to Bedside 
  1/29/2014
• Neurogenetics. 
  University of Arizona College of Medicine, Phoenix, AZ - 1/28/2014
• Percent Effort: Life of a Clinician Scientist 
  LSU-Health Sciences Center, New Orleans, LA - 1/14/2011
• Developmental Delay "Plus" 
  Tucson Medical Center, Tucson, AZ - 1/30/2010
• Neurobiology of Mental Retardaton: Lessons from Fragile X Syndrome 
  St. Joseph's Hospital and Medical Center, Phoenix, AZ - 1/5/2010
• Neurogenetic Syndromes: A to Z 
  St. Joseph's Hospital and Medical Center, Phoenix, AZ - 1/1/2010
• Neurogenetics 
  University of Arizona College of Medicine, Phoenix, AZ - 1/1/2010
• Ras/MAPK Signaling and Neuro-Cardio-Facial-Cutaneous Syndromes. 
  St. Joseph's Hospital and Medical Center, Phoenix, AZ - 1/1/2009
• Neurocutaneous Syndromes: Tuberous Sclerosis Complex and NF1 
  Sedona, AZ - 1/1/2009
• Neurocutaneous Syndromes 
  1/1/2009
• Rett Syndrome-Update 
  St. Joseph's Hospital and Medical Center, Phoenix, AZ - 1/1/2009
• Disorders of Cerebellar Development. 
  St. Joseph's Hospital and Medical Center, Phoenix, AZ - 1/1/2008
• Rett Syndrome: Relating Gene Mutation to Brain Dysfunction. 
  Kosair Children's Hospital, Norton Healthcare, Louisville, KY - 1/1/2008
• Peroxisomes and Peroxisomal Disorders. 
  St. Joseph's Hospital and Medical Center, Phoenix, AZ - 1/1/2008
• Neurobiology of Rett syndrome and Fragile X syndrome. 
  Arizona State University, Tempe, AZ - 1/1/2008
• Tuberous Sclerosis and Neurofibromatosis. 
  Apollo Hospital, Madurai, India - 1/1/2007
• Disorders of Neural Development. 
  Arizona State University - 1/1/2007
• Genetic and Molecular Basis of Epilepsy Syndromes. 
  Cook Children's Hospital, Fort Worth, TX - 1/1/2007
• Clinical Aspects of Neurogenetics. 
  Phoenix, AZ - 1/1/2006
• Neurobiology of Selected Genetic Disorders. 
  1/1/2006
• Tuberous Sclerosis: Clinical Features, Genetics, and Pathogenesis. 
  Jawaharlal Institute of Post-Graduate Medical Education and Research, Pondicherry, India - 1/1/2006
• Neurocutaneous Disorders. 
  Fortis Escorts Hospital and Research Center, Faridabad, India - 1/1/2006
• Update on Ataxia Telangiectasia. 
  St. Joseph's Hospital and Medical Center, Phoenix, AZ - 1/1/2006
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Other

• "Reduced Neuronal Size and mTOR pathway activity in the Mecp2 A140V Rett syndrome mouse model" 
  Rangasamy S, Olfers SL, Gerald B, Hilbert A, Svejda S, Narayanan V, F1000 Research
  1/1/2016
• Case Report: Compound heterozygous nonsense mutations in TRMT10A are associated with microcephaly, delayed development, and periventricular white matter hyperintensities. 
  Narayanan M, Ramsey K, Grebe T et al, F1000 Research
  1/1/2015