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Psoriasis is a common inflammatory skin disease characterized by T cell-mediated hyperproliferation of keratinocytes, increased angiogenesis and inflammation. Accumulating evidence suggests that some keratinocyte differentiation events are controlled by the ubiquitin/proteasome system. β-transducin repeat-containing protein (βTrCP) serve as substrate recognition component of E3 ubiquitin ligases that...
Cofilins (CFL), including CFL1 and CFL2, are members of the family of actin-binding proteins in eukaryote. CFL2 is predominantly expressed in mammalian skeletal muscle and heart and is important to muscle fiber formation and muscular regeneration. To study transcriptional regulation of porcine CFL2, a 2.5kb upstream sequence starting from the major CFL2 transcriptional start site was cloned by genome...
Lactose intolerance in northern Europeans is strongly associated with a single-nucleotide polymorphism (SNP) located 14kb upstream of the human lactase gene: −13,910*C/T. We examined whether SNPs in the 5′ flanking region of the pig lactase gene are similar to those in the human gene and whether these polymorphisms play a functional role in regulating pig lactase gene expression. The 5′ flanking region...
Cdc2 kinase is a catalytic subunit of the maturation-promoting factor (MPF), a central factor for inducing the meiotic maturation of oocytes. MPF has been studied in a wide variety of animal species; however, its expression in crustaceans is poorly characterized. In this study, a complete cDNA sequence of Cdc2 kinase was cloned from the red claw crayfish, Cherax quadricarinatus, and its spatiotemporal...
By analysis with microarray data, we found that a gene encoding a novel protein containing five WD40 repeats, was regulated by salt stress in rice and named as SRWD1 (Salt responsive WD40 protein 1). By database searching, additional four SRWD1-like genes (SRWD2–SRWD5) were found in rice genome, and these five SRWD genes formed a novel WD40 subfamily. Phylogenetic analysis showed that plant SRWD proteins...
The A20/AN1-type zinc finger protein family is conserved in animals and plants. Using human AWP1 protein as a query, we identified twelve A20/AN1-type zinc finger proteins in japonica rice. Most of these genes were constitutively expressed in leaves, roots, culms and spikes. Through microarray analysis, it was found that four genes (ZFP177, ZFP181, ZFP176, ZFP173), two genes (ZFP181 and ZFP176) and...
A 2.2kb relA/spoT homologue was isolated from Mycobacterium tuberculosis (Mtb) genomic DNA by PCR-amplification. The Mtb gene encodes a protein of 738 amino acid residues, and is flanked upstream by an ORF that is highly similar to the apt gene, and downstream by an ORF that is highly similar to the cypH gene. This dual function Mtb homologue belongs to the relA/spoT family of genes that mediate the...
During a search for transforming genes by transfecting a human cDNA expression library together with calf thymus carrier-DNA into NIH/3T3 cells, we found a focus which was induced by a plasmid containing a sequence highly homologous to human HST (a transforming gene from Human STomach cancer). However, PCR analysis identified the source of this sequence as calf thymus DNA. The deduced amino acid (aa)...
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