Girdin locates in centrosome and midbody and plays an important role in cell division
© 2012 Japanese Cancer Association..
Girdin is a downstream effector of epidermal growth factor receptor (EGFR)-AKT and interacts with actin and microtubule. Increasing evidence confirmed that Girdin played an important role in cell migration. Here we report that Girdin also regulates cell division. Overexpression or suppression of Girdin leads to attenuated cell proliferation. Imaging of mitotic cells revealed that Girdin is located in the cell division apparatus such as centrosome and midbody. The sub-cellular localization of Girdin was dependent on the domains, which interacted with actin or microtubules. Overexpression of Girdin lead to increased centrosome splitting and amplification. In addition, data show that pAKT also locates in both the centrosome and midbody, indicating the regulating role of AKT in Girdin-mediated cell division. To elucidate the effect of Girdin on tumor growth in vivo, HeLa cells infected with retrovirus harboring either control or Girdin shRNAs were injected subcutaneously into the immunocompromised nude mice. Downregulation of Girdin by shRNA markedly inhibited the cell growth of subcutaneously transplanted tumors in nude mice. These data demonstrate that Girdin is important for efficient cell division. Taking our previous data into consideration, we speculate that Girdin regulates both cell division and cell migration through cytoskeletal molecules.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2012 |
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| Erschienen: |
2012 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:103 |
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| Enthalten in: |
Cancer science - 103(2012), 10 vom: 28. Okt., Seite 1780-7 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Mao, Jing-Zhuo [VerfasserIn] |
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| Links: |
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| Themen: |
CCDC88A protein, human |
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| Anmerkungen: |
Date Completed 10.12.2012 Date Revised 21.10.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1111/j.1349-7006.2012.02378.x |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM21912597X |
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| 520 | |a © 2012 Japanese Cancer Association. | ||
| 520 | |a Girdin is a downstream effector of epidermal growth factor receptor (EGFR)-AKT and interacts with actin and microtubule. Increasing evidence confirmed that Girdin played an important role in cell migration. Here we report that Girdin also regulates cell division. Overexpression or suppression of Girdin leads to attenuated cell proliferation. Imaging of mitotic cells revealed that Girdin is located in the cell division apparatus such as centrosome and midbody. The sub-cellular localization of Girdin was dependent on the domains, which interacted with actin or microtubules. Overexpression of Girdin lead to increased centrosome splitting and amplification. In addition, data show that pAKT also locates in both the centrosome and midbody, indicating the regulating role of AKT in Girdin-mediated cell division. To elucidate the effect of Girdin on tumor growth in vivo, HeLa cells infected with retrovirus harboring either control or Girdin shRNAs were injected subcutaneously into the immunocompromised nude mice. Downregulation of Girdin by shRNA markedly inhibited the cell growth of subcutaneously transplanted tumors in nude mice. These data demonstrate that Girdin is important for efficient cell division. Taking our previous data into consideration, we speculate that Girdin regulates both cell division and cell migration through cytoskeletal molecules | ||
| 650 | 4 | |a Journal Article | |
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| 700 | 1 | |a Cui, Su-Ping |e verfasserin |4 aut | |
| 700 | 1 | |a Ren, Ya-Li |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Jing |e verfasserin |4 aut | |
| 700 | 1 | |a Yin, Xiu-Hua |e verfasserin |4 aut | |
| 700 | 1 | |a Enomoto, Atsushi |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Hai-Jing |e verfasserin |4 aut | |
| 700 | 1 | |a Hou, Lin |e verfasserin |4 aut | |
| 700 | 1 | |a Takahashi, Masahide |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Bo |e verfasserin |4 aut | |
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