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Inhibitors of AKT kinase increase LDL receptor mRNA expression by two different mechanisms

Bjune, Katrine, Wierød, Lene, Naderi, Soheil·2019·PLOS ONE

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Crossref · 10.1371/journal.pone.0218537

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  • The LDLR mRNA exhibits a cell- and tissue-specific half-life, ranging from about 2 hours in human HepG2 cells to about 3 hours in Hepa 1-6 mouse hepatocytes.

    “The LDLR mRNA exhibits a cell-and tissue specific half-life, ranging from ~2 h in human HepG2 cells and ~3 h in Hepa 1-6 mouse hepatocytes, indicating a potential for rapid modulation of LDLR protein production [21,22].”

    From The low-density lipoprotein receptor: Emerging post-transcriptional regulatory mechanisms (2025) · cites this paper as [21]

    The Results section reports an approximately 2-hour LDLR mRNA half-life in HepG2 cells under several AKT-inhibitor treatments. The paper does not report a 3-hour half-life in Hepa 1-6 mouse hepatocytes; its 3-hour result concerns inhibitor-treated HepG2 cells. Page numbers are unavailable in our copy. (LLM, conf=0.88)

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  • Different research groups have identified more than ten different compounds that enhance LDLR mRNA stability and subsequently increase LDLR protein levels, although the mechanisms and specificity are not fully understood.

    “Adding to the complexity of LDLR mRNA regulation, different research groups have identified more than ten different compounds that enhance LDLR mRNA stability and subsequently increase LDLR protein levels, although the mechanism(s) behind these effects and how specific they are is not yet fully understood [19,21,24,32,[35][36][37][38][39][40][41].”
  • AKT2 regulates stability of LDLR mRNA, decreasing LDLR.

    “AKT2 Regulates stability of LDLR mRNA ↓ [21]”

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Research works printed but not linked: 40

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  9. GM Wilson, 1998, Stabilization and cytoskeletal-association of LDL receptor mRNA are mediated by distinct domains in its 3’ untranslated region, J Lipid Res, 39, 1025, 10.1016/S0022-2275(20)33870-0 · DOI · Paper page
  10. T Yashiro, 2011, Chenodeoxycholic acid stabilization of LDL receptor mRNA depends on 3’-untranslated region and AU-rich element-binding protein, Biochem Biophys Res Commun, 409, 155, 10.1016/j.bbrc.2011.04.006 · DOI · Paper page
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  16. L Holla, 2010, A chimeric LDL receptor containing the cytoplasmic domain of the transferrin receptor is degraded by PCSK9, Mol Genet Metab, 99, 149, 10.1016/j.ymgme.2009.09.012 · DOI
  17. KJ Livak, 2001, Analysis of relative gene expression data using real-time quantitative PCR and the 2(-Delta Delta C(T)) Method, Methods, 25, 402, 10.1006/meth.2001.1262 · DOI · Paper page
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  19. L Yan, 2009, Abstract #DDT01-1: MK-2206: A potent oral allosteric AKT inhibitor, Cancer Research, 69, DDT01-1
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  21. L Yang, 2004, Akt/protein kinase B signaling inhibitor-2, a selective small molecule inhibitor of Akt signaling with antitumor activity in cancer cells overexpressing Akt, Cancer Res, 64, 4394, 10.1158/0008-5472.CAN-04-0343 · DOI · Paper page
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  23. KM Grimshaw, 2010, AT7867 is a potent and oral inhibitor of AKT and p70 S6 kinase that induces pharmacodynamic changes and inhibits human tumor xenograft growth, Mol Cancer Ther, 9, 1100, 10.1158/1535-7163.MCT-09-0986 · DOI
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  25. S Zhang, 2017, AT7867 Inhibits Human Colorectal Cancer Cells via AKT-Dependent and AKT-Independent Mechanisms, PLoS ONE, 12, e0169585, 10.1371/journal.pone.0169585 · DOI
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Metadata

Authors
Bjune, K., Wierød, L., & Naderi, S.
Venue
PLOS ONE
Published
2019-06-19
Volume
14
Issue
6
Pages
e0218537
ISSN
1932-6203
Cited by
8
References
1
Language
en
Funders
Nasjonalforeningen for folkehelse (2013.ST.054)

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