, Volume 47, Issue 3, pp 649-658
Date: 05 Jan 2012

Signal Transducer and Activator of Transcription 2 (STAT2) Metabolism Coupling Postmitotic Outgrowth to Visual and Sound Perception Network in Human Left Cerebrum by Biocomputation

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Abstract

We constructed the high-expression signal transducer and activator of transcription 2 (STAT2) metabolism coupling postmitotic outgrowth to visual and sound perception network in human left cerebrum compared with low-expression (fold change ≥2) chimpanzee left cerebrum in GEO data set by using integration of gene regulatory network inference method with gene ontology (GO) analysis of STAT2-activated up- and downstream network. Our result showed that upstream RECQL, PDIA2, ENOSF1, THBS4, RASGRP1, PER2, PDE8A, ORC2L, DCI, OGG1_2, SMA4, GPD1, etc. activated STAT2, and downstream STAT2-activated GSTM3_1, GOSR1, SH3BGR, OSBPL8, PHYH, SAPS2, C21orf33, PDIA2, TRAPPC6A, ENOSF1, CAMTA1, GTF2I_2, etc. in human left cerebrum. STAT2-activated network enhanced regulation of small GTPase-mediated signal transduction, regulation of transcription, regulation of mitosis, regulation of cell growth, positive regulation of phosphoinositide 3-kinase cascade, positive regulation of fat cell differentiation, negative regulation of DNA replication, negative regulation of progression through cell cycle, cyclic nucleotide metabolism, lipid metabolism, carbohydrate metabolism, vitamin A metabolism, N-acetylglucosamine metabolism, UDP-N-acetylgalactosamine metabolism, fatty acid transport, intracellular protein transport, vesicle-mediated transport, lipid transport, retrograde transport, Ras protein signal transduction, Wnt receptor signaling pathway, nervous system development, cell extension, cell adhesion, cell differentiation, circadian rhythm, generation of precursor metabolites and energy, establishment of blood-nerve barrier, visual perception, sensory perception of sound, and poly-N-acetyllactosamine biosynthesis, as a result of inducing metabolism coupling postmitotic outgrowth to visual and sound perception in human left cerebrum.

Lin Wang, Juxiang Huang, and Minghu Jiang equally contributed to this work.