Estrogen-induced downregulation of TASK-1 expression through estrogen receptor β in N2A cells

Mol Biol Rep. 2022 Jan;49(1):817-819. doi: 10.1007/s11033-021-06852-6. Epub 2021 Oct 27.

Abstract

Background: Our previous data revealed that reduction of TASK-1 expression, as a consequence of exposure to 17β-estradiol, could participate in neuroprotective effects in N2A cells. However, it is unclear which estrogen receptor underlies these effects of 17β-estradiol.

Methods and results: In this study, the knockdown experiments are carried out to clarify the estrogen receptor responsible for effects of estrogen on TASK-1 channels. Subsequently, data from QPCR measurements reveal that estrogen receptor β (ERβ), but not estrogen receptor α, serves as a binding target for 17β-estradiol after a 48-h treatment.

Conclusions: The current result suggests the implication of the ERβ-dependent manner in the pro-proliferative action of estrogen via TASK-1 channels.

Keywords: Estrogen; Estrogen receptor; N2A cells; TASK-1 channels.

MeSH terms

  • Animals
  • Cell Line
  • Cell Proliferation / drug effects
  • Cell Proliferation / genetics
  • Down-Regulation / drug effects*
  • Down-Regulation / genetics
  • Estradiol / pharmacology*
  • Estrogen Receptor alpha / genetics
  • Estrogen Receptor alpha / metabolism
  • Estrogen Receptor beta / genetics
  • Estrogen Receptor beta / metabolism*
  • Estrogens / pharmacology*
  • Gene Knockdown Techniques / methods
  • Mice
  • Nerve Tissue Proteins / genetics
  • Nerve Tissue Proteins / metabolism*
  • Neural Crest / metabolism*
  • Neuroprotective Agents / pharmacology*
  • Polymerase Chain Reaction / methods
  • Potassium Channels, Tandem Pore Domain / genetics
  • Potassium Channels, Tandem Pore Domain / metabolism*
  • RNA Interference
  • RNA, Messenger / metabolism
  • Signal Transduction / drug effects*
  • Signal Transduction / genetics
  • Transfection

Substances

  • Estrogen Receptor alpha
  • Estrogen Receptor beta
  • Estrogens
  • Nerve Tissue Proteins
  • Neuroprotective Agents
  • Potassium Channels, Tandem Pore Domain
  • RNA, Messenger
  • potassium channel subfamily K member 3
  • Estradiol