Case Report

A Novel 2.3 Mb Microduplication of 9q34.3 Inserted into 19q13.4 in a Patient with Learning Disabilities

Table 2

Duplicated region and OMIM genes.

OMIMProteinGeneDisorderMolecular genetics

600577LIM/homeodomain protein LHX3LHX3Combined pituitary hormone deficiency-3Homozygosity for intragenic deletion/nonsense mutation
613037Inositol polyphosphate-5-phosphataseINPP5EJoubert syndrome 1Homozygosity for mutations in the INPP5E gene that lead to decreased phosphatase activity
Mental retardation, truncal obesity, retinal dystrophy, and micropenisHomozygous nonsense mutation detected in the INPP5E gene
607212Caspase recruitment domain-containing protein 9CARD9Autosomal recessive form of familial chronic mucocutaneous candidiasisHomozygous nonsense mutation in the CARD9 gene
190198 Notch, Drosophila, homolog of, 1, translocation associated Notch homolog; NOTCH1 NOTCH1Aortic valve diseaseHeterozygosity for nonsense/frameshift mutations
Leukemia, T-cell acute lymphoblastic
6031001-Acylglycerol-3-phosphate O-acyltransferase 2AGPAT2Lipodystrophy, congenital generalised, type 1; CGL1Homozygous or compound heterozygous mutations
613354TaperinTPRNAutosomal recessive nonsyndromic deafness-79Homozygous truncating mutations
604346Mannosidase, alpha, class 1B member 1MAN1B1Mental retardation, autosomal recessive 15Homozygous mutations
138249Glutamate receptor, ionotropic, N-methyl D-aspartate 1GRIN1Mental retardation, autosomal dominant 8Missense mutation; in-frame duplication of codon 560
609826Solute carrier family 34 (sodium/phosphate cotransporter), member 3SLC34A3Hypophosphatemic rickets with hypercalciuriaHomozygous single-nucleotide deletion
608137Nasal embryonic luteinizing hormone-releasing hormone factorNELFHypogonadotropic hypogonadismA thr480-to-ala mutation in the NELF gene
607001Euchromatic histone methyltransferase 1EHMT1Kleefstra syndromeHeterozygous nonsense/frameshift mutation, in the EHMT1 gene; terminal deletions, interstitial deletions, derivative chromosomes, and complex rearrangements

The entries in this table were taken from the OMIM database (http://www.ncbi.nlm.nih.gov/omim).