A transcription map of the DiGeorge and velo-cardio-facial syndrome minimal critical region on 22q11. 1996

W Gong, and B S Emanuel, and J Collins, and D H Kim, and Z Wang, and F Chen, and G Zhang, and B Roe, and M L Budarf
The Division of Human Genetics and Molecular Biology, Children's Hospital of Philadelphia, PA, USA.

The majority of patients with DiGeorge syndrome (DGS) and velo-cardio-facial syndrome (VCFS) have a microdeletion of 22q11. Using translocation breakpoints and fluorescence in situ hybridization analysis (FISH), the minimal DiGeorge critical region (MDGCR) has been narrowed to 250 kb in the vicinity of D22S75 (N25). The construction of a detailed transcription map covering the MDGCR is an essential first step toward the identification of genes important to the etiology of DGS/VCFS, two complex disorders. We have identified a minimum of 11 transcription units encoded in the MDGCR using a combination of methods including cDNA selection, RT-PCR, RACE and genomic sequencing. This approach is somewhat unique and may serve as a model for gene identification. Of the 11 transcripts, one is the previously reported DGCR2/IDD/LAN gene, and three revealed a high level of similarity to mammalian genes: a Mus musculus serine/threonine kinase, a rat tricarboxylate transport protein and a bovine clathrin heavy chain. The remaining transcripts do not demonstrate any significant homology to genes of known function. The identification of these transcription units in the MDGCR will facilitate their further characterization and help elucidate their role in the etiology of DGS/VCFS.

UI MeSH Term Description Entries
D008432 Mathematical Computing Computer-assisted interpretation and analysis of various mathematical functions related to a particular problem. Statistical Computing,Computing, Statistical,Mathematic Computing,Statistical Programs, Computer Based,Computing, Mathematic,Computing, Mathematical,Computings, Mathematic,Computings, Mathematical,Computings, Statistical,Mathematic Computings,Mathematical Computings,Statistical Computings
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D002892 Chromosomes, Human, Pair 22 A specific pair of GROUP G CHROMOSOMES of the human chromosome classification. Chromosome 22
D003001 Cloning, Molecular The insertion of recombinant DNA molecules from prokaryotic and/or eukaryotic sources into a replicating vehicle, such as a plasmid or virus vector, and the introduction of the resultant hybrid molecules into recipient cells without altering the viability of those cells. Molecular Cloning
D004062 DiGeorge Syndrome Congenital syndrome characterized by a wide spectrum of characteristics including the absence of the THYMUS and PARATHYROID GLANDS resulting in T-cell immunodeficiency, HYPOCALCEMIA, defects in the outflow tract of the heart, and craniofacial anomalies. Velocardiofacial Syndrome,22q11.2 Deletion Syndrome,22q11.2DS,Autosomal Dominant Opitz G-Bbb Syndrome,Catch22,Conotruncal Anomaly Face Syndrome,Conotruncal Anomaly Face Syndrome (CTAF),Deletion 22q11.2 Syndrome,DiGeorge Anomaly,DiGeorge Sequence,Familial Third and Fourth Pharyngeal Pouch Syndrome,Hypoplasia of Thymus and Parathyroids,Pharyngeal Pouch Syndrome,Sedlackova Syndrome,Shprintzen Syndrome,Shprintzen VCF Syndrome,Third and Fourth Pharyngeal Pouch Syndrome,Thymic Aplasia Syndrome,VCF Syndrome,Velo-Cardio-Facial Syndrome,Autosomal Dominant Opitz G Bbb Syndrome,Deletion Syndrome, 22q11.2,Syndrome, DiGeorge,Syndrome, Sedlackova,Syndrome, Shprintzen,Syndrome, VCF,Syndrome, Velo-Cardio-Facial,Syndrome, Velocardiofacial,Velo Cardio Facial Syndrome
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000015 Abnormalities, Multiple Congenital abnormalities that affect more than one organ or body structure. Multiple Abnormalities
D000595 Amino Acid Sequence The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION. Protein Structure, Primary,Amino Acid Sequences,Sequence, Amino Acid,Sequences, Amino Acid,Primary Protein Structure,Primary Protein Structures,Protein Structures, Primary,Structure, Primary Protein,Structures, Primary Protein
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001483 Base Sequence The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence. DNA Sequence,Nucleotide Sequence,RNA Sequence,DNA Sequences,Base Sequences,Nucleotide Sequences,RNA Sequences,Sequence, Base,Sequence, DNA,Sequence, Nucleotide,Sequence, RNA,Sequences, Base,Sequences, DNA,Sequences, Nucleotide,Sequences, RNA

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