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The association between mutations in the USP26 gene and male infertility has been studied intensively. However, the biological function of the mutant proteins remains to be elucidated. To confirm the effects of the reported mutations, we analyse the enzyme activity of USP26 between the wild-type and the variants from a molecular perspective.Using pGEX-USP26 as a template, site-directed mutagenesis...
In this study, we cloned a full-length cDNA encoding vitellogenin (Vg) in Spodoptera exigua. The complete Vg cDNA consists of 5694 nucleotides with a long open reading frame encoding 1761 amino acid residues. The deduced amino acid sequence shared high similarity with the Vgs of other lepidopteran insects, particularly in the C-terminal region including the GL/ICG motif, five cysteine residues and...
A number of chemotherapy drugs can induce autophagy. This inducible autophagy is a pro-survival mechanism and contributes to the development of acquired drug resistance. Emerging evidence indicates that miRNA regulates autophagy via targeting autophagy related genes and is involved in drug resistance. We previously demonstrated that miR-181a plays an important role in gastric cancer. The present study...
We cloned the cDNA of the ecdysone receptor (EcR) isoform-A from the mirid bug, Apolygus lucorum (AlEcR-A). The AlEcR-A cDNA has an open reading frame of 1410bp with a conserved sequence of approximately 20 amino acids at the carboxyl-end of its A/B-specific domain. Phylogenetic analysis showed that AlEcR-A is very similar to the EcR-A genes of other Hemiptera species. AlEcR-A mRNA was detected at...
Human SLC25A13 gene encodes citrin, the liver-type aspartate–glutamate carrier isoform 2, and SLC25A13 mutations lead to citrin deficiency (CD). The definitive diagnosis of CD relies on SLC25A13 analysis, but conventional DNA analysis could not identify all SLC25A13 mutations. We investigated transcriptional features of SLC25A13 gene in peripheral blood lymphocytes (PBLs) from CD patients and healthy...
In a previous study, we found that at low concentrations, safrole oxide (SFO) could induce vascular endothelial cell (VEC) transdifferentiation into neuron-like cells; however, whether SFO could induce bone-marrow mesenchymal stem cell (BMSC) neural differentiation was unknown. Here, we found that SFO could effectively induce BMSC neural differentiation in the presence of serum and fibroblast growth...
Maple syrup urine disease (MSUD) is an autosomal recessive metabolic disorder that is caused by mutations in the subunits of the branched-chain α-ketoacid dehydrogenase (BCKD) complex. BCKD is a mitochondrial complex encoded by four nuclear genes (BCKDHA, BCKDHB, DBT, and DLD) and is involved in the metabolism of branched-chain amino acids (BCAAs). In this study, we investigated the DNA sequences...
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