Lost in translation: a neglected mTOR target for lymphangioleiomyomatosis.
Lost in translation: a neglected mTOR target for lymphangioleiomyomatosis.
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DOI:
10.1183/16000617.0100-2023
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发表时间:
2023-09-30
期刊:
影响因子:
--
通讯作者:
Krymskaya VP
中科院分区:
文献类型:
--
作者:
Evans JF;McCormack FX;Sonenberg N;Krymskaya VP
Lymphangioleiomyomatosis (LAM) is a cystic lung disease of women resulting from mutations in tuberous sclerosis complex (TSC) genes that suppress the mammalian target of rapamycin complex 1 (mTORC1) pathway. mTORC1 activation enhances a plethora of anabolic cellular functions, mainly via the activation of mRNA translation through stimulation of ribosomal protein S6 kinase (S6K1)/ribosomal protein S6 (S6) and eukaryotic initiation factor 4E-binding protein 1 (4E-BP1)/eukaryotic translation initiation factor 4E (eIF4E). Rapamycin (sirolimus), an allosteric inhibitor of mTORC1, stabilises lung function in many but not all LAM patients and, upon cessation of the drug, disease progression resumes. At clinically tolerable concentrations, rapamycin potently inhibits the ribosomal S6K1/S6 translation ribosome biogenesis and elongation axis, but not the translation 4E-BP1/eIF4E initiation axis. In this mini-review, we propose that inhibition of mTORC1-driven translation initiation is an obvious but underappreciated therapeutic strategy in LAM, TSC and other mTORC1-driven diseases. Inhibition of rapamycin-insensitive mRNA translation initiation is an underappreciated therapeutic strategy in lymphangioleiomyomatosis. https://bit.ly/3Oj5Fze
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