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The economic and biological significance of blunt snout bream (Megalobrama amblycephala) makes this species important to explore the underlying molecular mechanism of hypoxia response. In the present study, we compared the transcriptional responses to serious hypoxia in skeletal muscle among hypoxia tolerant (MT), sensitive (MS) and control (without hypoxia treatment, MC) M. amblycephala obtained...
Ubiquitin-specific protease 12 (USP12) plays a significant role in tumor cell apoptosis and cell cycle progression. However, the regulatory mechanism of USP12 in human cervical carcinoma HeLa cell growth is unknown. In this study, we showed that knockdown of USP12 effectively induced cell cycle arrest in HeLa cells and decreased BMI-1, c-Myc and cyclin D2 transcription levels. By contrast, unlike...
Ubiquitin-specific protease 22 (USP22) can regulate the cell cycle and apoptosis in many cancer cell types, while it is still unclear whether the deubiquitinating enzyme activity of USP22 is necessary for these processes. As little is known about the impact of USP22 on the growth of HeLa cell, we observed whether USP22 can effectively regulate HeLa cell growth as well as the necessity of deubiquitinating...
Myocardial infarction (MI) and transverse aortic constriction (TAC) are two models of cardiac hypertrophy. To study mechanisms of MI and TAC, GSE415 and GSE14267 were downloaded from Gene Expression Omnibus. GSE415 included left ventricle (LV) and intraventricular septum samples from mice that underwent MI, TAC or sham operation. GSE14267 included normal and MI samples from non-transgenic mice. Differentially...
MicroRNAs (miRNAs) represent a newly identified class of non-protein-coding ~22nt small RNA which plays important roles in multiple biological processes by degrading targeted mRNA or repressing mRNA translation. Here we present EST (expressed sequence tags)-based and GSS (Genomic Survey Sequences)-based combined approach for the detection of conserved miRNAs of cattle. A total of 20 conserved miRNAs...
In order to test the hypothesis that the expression levels of GH/IGF axis genes would be negatively related to the expression of the myostatin genes in fish species, we cloned six growth regulating genes including growth hormone receptors-1/-2 (GHRs), insulin-like growth factors-I/-II (IGFs) and myostatins-a/-b (MSTNs) from blunt snout bream (Megalobrama amblycephala). The contents of mRNA transcripts...
The MTHFR is a candidate risk gene for Parkinson's disease (PD), and a functional SNP (rs1801133) in the coding region of this gene has been investigated for the associations with the illness extensively among worldwide populations, but overall the results were inconsistent. Here, to assess the relationship between rs1801133 and risk of PD in general populations, we conducted a systematic meta-analysis...
Reference genes are critical for normalization of the gene expression level of target genes. The widely used housekeeping genes may change their expression levels at different tissue under different treatment or stress conditions. Therefore, systematical evaluation on the housekeeping genes is required for gene expression analysis. Up to date, no work was performed to evaluate the housekeeping genes...
MicroRNAs (miRNAs) are an important gene regulator, controlling almost all biological and metabolic processes, in both plants and animals. In this study, we investigated the effect of drought and salinity stress on the expression of miRNAs and their targets in cotton (Gossypium hirsutum L.). Our results show that the expression change of miRNAs and their targets were dose-dependent and tissue-dependent...
Cardiac troponin T (TNNT2), as a member of troponin superfamily, plays important roles during early cardiogenesis, and contraction and relaxation of myocardial cells. In this study, two alternatively spliced variants of Megalobrama amblycephala TNNT2 were identified showing a difference of 19 amino acids in the N-terminal hypervariable region. The longer cDNA (TNNT2-1) was 1118bp, encoding 284 amino...
Studies focusing on the association of gene methylthioadenosine phosphorylase (MTAP) with the risk of coronary artery disease (CAD) and myocardial infarction (MI) are limited.In this study, we explored the effects of rs10118757 in MTAP gene on CAD and MI by performing association analysis in a Chinese Han population. rs10118757 was genotyped in 1007 CAD patients (including 338 MI patients) and 885...
Tumor necrosis factor receptor-associated factor 3 (TRAF3) is a highly versatile immune regulator that positively controls type I interferon production, but negatively regulates the activation of mitogen-activated protein kinase and alternative nuclear factor-κB signaling. The precise function of TRAF3 in different signaling pathways remains unclear. Thus, in a yeast two-hybrid assay, TRAF3 was used...
To evaluate the association between costimulatory molecule cytotoxic T-lymphocyte-associated antigen-4 (CTLA-4) gene polymorphism and type 1 diabetes mellitus(T1DM), sixty-three published studies before December, 2011 were included. Meta-analysis was performed for each genotype in a random/fixed effect model. The combined odds ratio (OR) with 95% confidence interval (95%CI) was calculated to estimate...
The Paraoxonase 1 (PON1) has been studied as a potential candidate gene for Parkinson's disease risk, but direct evidence from genetic association studies remains inconclusive. We performed a meta-analysis pooling data from all relevant studies in order to determine the effects of two PON 1 polymorphisms (L55M and Q192R) on Parkinson's disease.We applied a random effects to combine odds ratio (OR)...
Hypoxia-inducible factors (HIFs) are transcription factors that respond to changes in oxygen tension in the cellular environment. In this study, we identified full-length cDNAs of HIF-1α, HIF-2α and HIF-3α in an endangered hypoxia-sensitive fish species, Chinese sucker. The HIF-1α/2α/3α cDNAs are 3890, 3230 and 3374bp in length, encoding 780, 782 and 632 amino acid residues, respectively. The real-time...
We have cloned a novel hematopoietic granulocyte colony-stimulating factor (G-CSF)-induced olfactomedin-related glycoprotein, termed hGC-1 (human G-CSF-stimulated clone-1). mRNA differential display was used in conjunction with a modified two-phase liquid culture system. Cultures were enriched for early precursors of erythroid, myeloid, and megakaryocytic lineages, which were isolated after induction...
A non-myristylated form (LCK M ) of the human T-lymphocyte-specific protein tyrosine kinase (LCK) was produced at high levels in a baculovirus expression system (BVES) using two strategies. First, LCK M was produced by direct expression of a Gly 2 → Ala mutant of LCK. Second, LCK was produced as a glutathione S-transferase (GST) fusion, and LCK M was derived from the...
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