نتایج جستجو برای: تحلیل mrna
تعداد نتایج: 389893 فیلتر نتایج به سال:
Induction of heat shock proteins (hsps) is considered as an important protective, ecophysiologically adaptive, and genetically conserved response to environmental stress in all organisms. The effects of exposure to sublethal doses of CdCl2 (0.05, 0.1 and 0.2 LC50) during 14 days on mRNA-hsp70 expression in liver and gillwere investigated in juveniles of Persian sturgeon (Acipenser persicus). Fi...
Background: HOXA11 and leukemia inhibitory factor (LIF) and basic transcriptional element binding protein1 (BTEB1) are expressed in endometrium throughout the menstrual cycle and show a dramatic increase during the mid-luteal phase at the time of implantation. In this case-control study, the expression pattern of these mRNA was evaluated in patients with endometriosis at the time of implantatio...
Export of mRNA from the nucleus is a central process in eukaryotic gene expression that has been implicated in several human diseases. Much of our understanding of how an mRNA is transported to the cytoplasm is derived from studies using yeast and fly models. We present here different mechanisms by which aberrant nuclear retention of mRNA can cause human disease. Emerging evidence that implicat...
Nonsense-mediated mRNA decay (NMD) is an mRNA degradation pathway that regulates gene expression and mRNA quality. A complex network of macromolecular interactions regulates NMD initiation, which is only partially understood. According to prevailing models, NMD begins by the assembly of the SURF (SMG1-UPF1-eRF1-eRF3) complex at the ribosome, followed by UPF1 activation by additional factors suc...
In Saccharomyces cerevisiae, rapid degradation of nonsense-containing mRNAs requires the decapping enzyme Dcp1p, the 5'-to-3' exoribonuclease Xrn1p, and the three nonsense-mediated mRNA decay (NMD) factors, Upf1p, Nmd2p, and Upf3p. To identify specific functions for the NMD factors, we analyzed the mRNA decay phenotypes of yeast strains containing deletions of DCP1 or XRN1 and UPF1, NMD2, or UP...
222 donor and 222 acceptor (including 206 pairs) non-homologous splicing sites were studied. Well known features of these were confirmed and some novel observations were made. It is (1) cCAGGGag signal in (-60)-(-58) region of acceptor sites; (2) strong complementarity between regions (-69)-(-55) and (-36)-(-22) of some of the acceptor sites, and (3) small but statistically significant correlat...
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