Nuclear Pore Complex Protein Mediated Nuclear Localization of Dicer Protein in Human Cells
2011

NUP153 Helps DICER1 Protein Enter the Nucleus

publication Evidence: moderate

Author Information

Author(s): Ando Yoshinari, Tomaru Yasuhiro, Morinaga Ayako, Burroughs Alexander Maxwell, Kawaji Hideya, Kubosaki Atsutaka, Kimura Ryuichiro, Tagata Maiko, Ino Yoko, Hirano Hisashi, Chiba Joe, Suzuki Harukazu, Carninci Piero, Hayashizaki Yoshihide

Primary Institution: RIKEN Omics Science Center, Yokohama, Kanagawa, Japan

Hypothesis

Does NUP153 play a role in the nuclear localization of DICER1 protein in human cells?

Conclusion

NUP153 is crucial for the nuclear transport of DICER1 protein, which is found in both the cytoplasm and nucleoplasm.

Supporting Evidence

  • DICER1 protein is found in both the cytoplasm and nucleoplasm.
  • NUP153 protein associates with DICER1 in the cytoplasm and at the nuclear periphery.
  • Knockdown of NUP153 reduces the nuclear localization of DICER1.

Takeaway

DICER1 is a protein that helps process RNA, and it needs help from another protein called NUP153 to get into the nucleus of the cell.

Methodology

The study used Western blot analysis, immunoprecipitation, and confocal immunofluorescence to investigate the localization and association of DICER1 and NUP153 proteins.

Limitations

The study does not explore all potential factors involved in DICER1 nuclear transport.

Digital Object Identifier (DOI)

10.1371/journal.pone.0023385

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