Title : TFEB protects nucleus pulposus cells against apoptosis and senescence via restoring autophagic flux.

Pub. Date : 2019 Feb

PMID : 30414849






6 Functional Relationships(s)
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1 METHODS: TFEB activity was detected in NP tissues in puncture-induced rat IVDD model by immunofluorescence as well as in tert-Butyl hydroperoxide (TBHP), the reactive oxygen species (ROS) donor to induce oxidative stress, treated NP cells by western blot. tert-Butylhydroperoxide transcription factor EB Rattus norvegicus
2 METHODS: TFEB activity was detected in NP tissues in puncture-induced rat IVDD model by immunofluorescence as well as in tert-Butyl hydroperoxide (TBHP), the reactive oxygen species (ROS) donor to induce oxidative stress, treated NP cells by western blot. tert-Butylhydroperoxide transcription factor EB Rattus norvegicus
3 RESULTS: The nuclear localization of TFEB declined in degenerated rat NP tissue as well as in TBHP treated NP cells. tert-Butylhydroperoxide transcription factor EB Rattus norvegicus
4 Applying lentivirus to transfect NP cells, TFEB overexpression restored the TBHP-induced autophagic flux blockage and protected NP cells against apoptosis and senescence; these protections of TFEB are diminished by chloroquine-medicated autophagy inhibition. tert-Butylhydroperoxide transcription factor EB Rattus norvegicus
5 Applying lentivirus to transfect NP cells, TFEB overexpression restored the TBHP-induced autophagic flux blockage and protected NP cells against apoptosis and senescence; these protections of TFEB are diminished by chloroquine-medicated autophagy inhibition. tert-Butylhydroperoxide transcription factor EB Rattus norvegicus
6 TFEB overexpression suppressed TBHP-induced apoptosis and senescence via autophagic flux stimulation in NP cell and alleviates puncture-induced IVDD development in vivo. tert-Butylhydroperoxide transcription factor EB Rattus norvegicus