ArticleCommunications biology2023
Sulforaphane decreases serum selenoprotein P levels through enhancement of lysosomal degradation independent of Nrf2.
Article in Communications biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 12 citations in OpenAlex.
- Organokine-Mediated Crosstalk: A Systems Biology Perspective on the Pathogenesis of MASLD-A Narrative Review.International journal of molecular sciences · 2025Review
- The selenoprotein P/ApoER2 axis facilitates selenium accumulation in selenoprotein P-accepting cells and confers prolonged resistance to ferroptosis.Redox biology · 2025Article
- Translational selenium nanomedicine synergizes with nab-paclitaxel to enhance antitumor effects in esophageal squamous cell cancer via selenoprotein N-mediated ER stress.Journal of nanobiotechnology · 2025Article
- Exerkines and myokines in aging sarcopenia.Frontiers in endocrinology · 2025Review
- New-onset autoantibodies to selenoprotein P following severe burn injury.Frontiers in immunology · 2024Article
Corrections and comments
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Selenoprotein P (SeP) is a major selenoprotein in serum predominantly produced in the liver. Excess SeP impairs insulin secretion from the pancreas and insulin sensitivity in skeletal muscle, thus inhibition of SeP could be a therapeutic strategy for type 2 diabetes. In this study, we examine the effect of sulforaphane (SFN), a phytochemical of broccoli sprouts and an Nrf2 activator, on SeP expression in vitro and in vivo. Treatment of HepG2 cells with SFN decreases inter- and intra-cellular SeP levels. SFN enhances lysosomal acidification and expression of V-ATPase, and inhibition of this process cancels the decrease of SeP by SFN. SFN activates Nrf2 in the cells, while Nrf2 siRNA does not affect the decrease of SeP by SFN or lysosomal acidification. These results indicate that SFN decreases SeP by enhancing lysosomal degradation, independent of Nrf2. Injection of SFN to mice results in induction of cathepsin and a decrease of SeP in serum. The findings from this study are expected to contribute to developing SeP inhibitors in the future, thereby contributing to treating and preventing diseases related to increased SeP.
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