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10.1261/rna.061044.117 http://scihub22266oqcxt.onion/10.1261/rna.061044.117 C5558913!5558913!28611253     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       RNA 2017 ; 23 (9): 1444-55 Nephropedia Template TP {{tp|p=28611253|t=2017. N6-methyladenosine is required for the hypoxic stabilization of specific mRNAs |pdf=|usr=}}{{28611253}} gab.com Text N6-methyladenosine is required for the hypoxic stabilization of specific mRNAs JO: RNA http://www.kidney.de/pget.php?&tw=1&pmid=28611253 #FOAvip Post-transcriptional regulation of mRNA during oxygen deprivation, or hypoxia, can affect the survivability of cells. Hypoxia has been shown to increase stability of a subset of ischemia-related mRNAs, including VEGF. RNA binding proteins and miRNAs have been identified as important for post-transcriptional regulation of individual mRNAs, but corresponding mechanisms that regulate global stability are not well understood. Recently, mRNA modification by N6-methyladenosine (m6A) has been shown to be involved in post-transcriptional regulation processes including mRNA stability and promotion of translation, but the role of m6A in the hypoxia response is unknown. In this study, we investigate the effect of hypoxia on RNA modifications including m6A. Our results show hypoxia increases m6A content of poly(A)+ messenger RNA (mRNA), but not in total or ribosomal RNA in HEK293T cells. Using m6A mRNA immunoprecipitation, we identify specific hypoxia-modified mRNAs, including glucose transporter 1 (Glut1) and c-Myc, which show increased m6A levels under hypoxic conditions. Many of these mRNAs also exhibit increased stability, which was blocked by knockdown of m6A-specific methyltransferases METTL3/14. However, the increase in mRNA stability did not correlate with a change in translational efficiency or the steady-state amount of their proteins. Knockdown of METTL3/14 did reveal that m6A is involved in recovery of translational efficiency after hypoxic stress. Therefore, our results suggest that an increase in m6A mRNA during hypoxic exposure leads to post-transcriptional stabilization of specific mRNAs and contributes to the recovery of translational efficiency after hypoxic stress. Twit Text FOAVip N6-methyladenosine is required for the hypoxic stabilization of specific mRNAs ????RNA http://www.kidney.de/pget.php?&tw=1&pmid=28611253 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=28611253 #FOAvip English Wikipedia <ref>{{Cite pmid|28611253}}</ref> N6-methyladenosine is required for the hypoxic stabilization of specific mRNAs #MMPMID28611253 Fry NJ; Law BA; Ilkayeva OR; Holley CL; Mansfield KD RNA 2017[Sep]; 23 (9): 1444-55 PMID28611253show ga Post-transcriptional regulation of mRNA during oxygen deprivation, or hypoxia, can affect the survivability of cells. Hypoxia has been shown to increase stability of a subset of ischemia-related mRNAs, including VEGF. RNA binding proteins and miRNAs have been identified as important for post-transcriptional regulation of individual mRNAs, but corresponding mechanisms that regulate global stability are not well understood. Recently, mRNA modification by N6-methyladenosine (m6A) has been shown to be involved in post-transcriptional regulation processes including mRNA stability and promotion of translation, but the role of m6A in the hypoxia response is unknown. In this study, we investigate the effect of hypoxia on RNA modifications including m6A. Our results show hypoxia increases m6A content of poly(A)+ messenger RNA (mRNA), but not in total or ribosomal RNA in HEK293T cells. Using m6A mRNA immunoprecipitation, we identify specific hypoxia-modified mRNAs, including glucose transporter 1 (Glut1) and c-Myc, which show increased m6A levels under hypoxic conditions. Many of these mRNAs also exhibit increased stability, which was blocked by knockdown of m6A-specific methyltransferases METTL3/14. However, the increase in mRNA stability did not correlate with a change in translational efficiency or the steady-state amount of their proteins. Knockdown of METTL3/14 did reveal that m6A is involved in recovery of translational efficiency after hypoxic stress. Therefore, our results suggest that an increase in m6A mRNA during hypoxic exposure leads to post-transcriptional stabilization of specific mRNAs and contributes to the recovery of translational efficiency after hypoxic stress. äN6-methyladenosine is required for the hypoxic stabilization of specif(epmc).pdf DeepDyve Pubget Overpricing