Overexpression of Nd1-s, a variant form of new kelch family protein, perturbs the cell cycle progression of fibroblasts

The murine Nd1 gene encodes two forms of protein, Nd1-L and Nd1-S, both of which share the BTB/POZ domain, but Nd1-S lacks the kelch repeats. Although Nd1-L ubiquitously expresses, localizes in the cytoplasm and functions as a stabilizer of actin filaments, expression and function of Nd1-S were unkn...

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Veröffentlicht in:DNA and cell biology 2005-01, Vol.24 (1), p.30-34
Hauptverfasser: Inoue, Atsushi, Kang, Myengmo, Fujimura, Lisa, Takamori, Yasuyuki, Sasagawa, Kazushi, Itoh, Haruo, Tokuhisa, Takeshi, Hatano, Masahiko
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container_end_page 34
container_issue 1
container_start_page 30
container_title DNA and cell biology
container_volume 24
creator Inoue, Atsushi
Kang, Myengmo
Fujimura, Lisa
Takamori, Yasuyuki
Sasagawa, Kazushi
Itoh, Haruo
Tokuhisa, Takeshi
Hatano, Masahiko
description The murine Nd1 gene encodes two forms of protein, Nd1-L and Nd1-S, both of which share the BTB/POZ domain, but Nd1-S lacks the kelch repeats. Although Nd1-L ubiquitously expresses, localizes in the cytoplasm and functions as a stabilizer of actin filaments, expression and function of Nd1-S were unknown. Here we show that Nd1-S were expressed in all tissues examined and localized in the nucleus as a speckled-like pattern. Furthermore, overexpression of Nd1-S perturbed cell growth of NIH3T3 cells at the G1/S phase of the cell cycle. These results suggest that Nd1-S may play a role in cell cycle progression in the nucleus.
doi_str_mv 10.1089/dna.2005.24.30
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subjects Animals
Cell Cycle
Cell Nucleus - chemistry
Cell Proliferation
Fibroblasts - cytology
Gene Expression
Mice
NIH 3T3 Cells
Proteins - genetics
Proteins - metabolism
Proteins - physiology
RNA, Messenger - analysis
RNA, Messenger - metabolism
Tissue Distribution
Transfection
title Overexpression of Nd1-s, a variant form of new kelch family protein, perturbs the cell cycle progression of fibroblasts
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