Nuclear envelope budding and its cellular functions

Katharina S. Keuenhof, Verena Kohler, Filomena Broeskamp, Dimitra Panagaki, Sean D. Speese, Sabrina Büttner, Johanna L. Höög

Research output: Contribution to journalReview articlepeer-review

1 Scopus citations


The nuclear pore complex (NPC) has long been assumed to be the sole route across the nuclear envelope, and under normal homeostatic conditions it is indeed the main mechanism of nucleo-cytoplasmic transport. However, it has also been known that e.g. herpesviruses cross the nuclear envelope utilizing a pathway entitled nuclear egress or envelopment/de-envelopment. Despite this, a thread of observations suggests that mechanisms similar to viral egress may be transiently used also in healthy cells. It has since been proposed that mechanisms like nuclear envelope budding (NEB) can facilitate the transport of RNA granules, aggregated proteins, inner nuclear membrane proteins, and mis-assembled NPCs. Herein, we will summarize the known roles of NEB as a physiological and intrinsic cellular feature and highlight the many unanswered questions surrounding these intriguing nuclear events.

Original languageEnglish (US)
Article number2178184
Issue number1
StatePublished - 2023


  • Nuclear import
  • nuclear envelope budding
  • nuclear export

ASJC Scopus subject areas

  • Cell Biology


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