Unknown,Transcriptomics,Genomics,Proteomics

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Microarray Analysis of the Developing Murine Prefrontal Cortex


ABSTRACT: Abnormal development of the prefrontal cortex (PFC) is associated with a number of neuropsychiatric disorders that have an onset in childhood or adolescence. Although the basic laminar structure of the PFC is established in utero, extensive remodeling continues into adolescence. To map the overall pattern of changes in cortical gene transcripts during post-natal development, we made serial measurements of mRNA levels in mouse PFC using oligonucleotide microarrays. We observed changes in mRNA transcripts consistent with known post-natal morphological and biochemical events. Overall, most transcripts that changed significantly showed a progressive decrease in abundance after birth, with the majority of change between post-natal weeks 2 and 4. Genes with cell proliferative, cytoskeletal, extracellular matrix, plasma membrane lipid / transport, protein folding, and regulatory functions had decreases in mRNA levels. Quantitative PCR verified the microarray results for six selected genes: DNA methyltransferase 3A (Dnmt3a), procollagen, type III, alpha 1 (Col3a1), solute carrier family 16 (monocarboxylic acid transporters), member 1 (Slc16a1), MARCKS-like 1 (Marcksl1), nidogen 1 (Nid1) and 3-hydroxybutyrate dehydrogenase (heart, mitochondrial) (Bdh). Keywords: time course, development, mRNA expression Single-channel affymetrix arrays were used to profile mRNA expression in the prefrontal cortex (PFC) of male mice at different time-points after birth (post-natal). Each array is an independent animal.

ORGANISM(S): Mus musculus

SUBMITTER: Paul Boutros 

PROVIDER: E-GEOD-4675 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Microarray analysis of the developing cortex.

Semeralul Mawahib O MO   Boutros Paul C PC   Likhodi Olga O   Okey Allan B AB   Van Tol Hubert H M HH   Wong Albert H C AH  

Journal of neurobiology 20061201 14


Abnormal development of the prefrontal cortex (PFC) is associated with a number of neuropsychiatric disorders that have an onset in childhood or adolescence. Although the basic laminar structure of the PFC is established in utero, extensive remodeling continues into adolescence. To map the overall pattern of changes in cortical gene transcripts during postnatal development, we made serial measurements of mRNA levels in mouse PFC using oligonucleotide microarrays. We observed changes in mRNA tran  ...[more]

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