ploidy pattern
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2021 ◽  
pp. 153537022110083
Author(s):  
Yiting Qiao ◽  
Yunxin Pei ◽  
Miao Luo ◽  
Muthukumar Rajasekaran ◽  
Kam M Hui ◽  
...  

Cytokinesis, the final step of mitosis, is critical for maintaining the ploidy level of cells. Cytokinesis is a complex, highly regulated process and its failure can lead to genetic instability and apoptosis, contributing to the development of cancer. Human hepatocellular carcinoma is often accompanied by a high frequency of aneuploidy and the DNA ploidy pattern observed in human hepatocellular carcinoma results mostly from impairments in cytokinesis. Many key regulators of cytokinesis are abnormally expressed in human hepatocellular carcinoma, and their expression levels are often correlated with patient prognosis. Moreover, preclinical studies have demonstrated that the inhibition of key cytokinesis regulators can suppress the growth of human hepatocellular carcinoma. Here, we provide an overview of the current understanding of the signaling networks regulating cytokinesis, the key cytokinesis regulators involved in the initiation and development of human hepatocellular carcinoma, and their applications as potential diagnostic and therapeutic biomarkers.


2014 ◽  
Vol 36 (2) ◽  
pp. 162-167 ◽  
Author(s):  
Mirian de Sousa Silva ◽  
Carlos Roberto Carvalho ◽  
Eduardo Euclydes de Lima e Borges ◽  
José Márcio Rocha Faria

The aim of this work was to evaluate viability and DNA ploidy of seed of Melanoxylon brauna submitted or not to fast drying, along soaking. The seeds were dried followed by germination and quantification of DNA ploidy pattern. There was a gradual decrease in germination percentage with increases in temperature and drying time. The DNA ploidy of embryonic axes that were not submitted to artificial drying indicated the existence of nuclei 2C, 4C and 8C. However, 95% of the tested embrios had 2C DNA ploidy . The seeds that were subjected to rapid drying also exhibited the presence of nuclei 2C, 4C and 8C and showed no significant differences ( p > 0.05 ) compared to seeds that have not passed through drying. It is conclude that the seeds of Melanoxylon brauna submitted to different drying times and temperatures show a gradual decrease in the percentage of germination; embryonic axes subject or not to drying seeds have 2C, 4C and 8C nuclei and drying does not affect the cell cycle of cells in the embryo of the seed.


2008 ◽  
Vol 204 (1) ◽  
pp. 1-9 ◽  
Author(s):  
Aiko Tanaka ◽  
Shizuki Takemura-Tsukashita ◽  
Ryoji Kushima ◽  
Hiroyuki Sugihara ◽  
Yoshihide Fujiyama ◽  
...  

2003 ◽  
Vol 82 (4) ◽  
pp. 247-255 ◽  
Author(s):  
Chrysoula J. Belessi ◽  
Aikaterini S. Parasi ◽  
Helen S. Manioudaki ◽  
Nikolaos P. Laoutaris ◽  
Nikolaos C. Legakis ◽  
...  

2003 ◽  
Vol 200 (2) ◽  
pp. 168-176 ◽  
Author(s):  
Tamostu Sugai ◽  
Hiroshi Takahashi ◽  
Wataru Habano ◽  
Shin-ichi Nakamura ◽  
Kimihiko Sato ◽  
...  

1999 ◽  
Vol 49 (7) ◽  
pp. 617-625 ◽  
Author(s):  
Tamotsu Sugai ◽  
Shin-ichi Nakamura ◽  
Wataru Habano ◽  
Noriyuki Uesugi ◽  
Hajime Sato ◽  
...  

1999 ◽  
Vol 137 (1) ◽  
pp. 27-33 ◽  
Author(s):  
Katsuyuki Kusuzaki ◽  
Hideyuki Takeshita ◽  
Hiroaki Murata ◽  
Masazumi Hirata ◽  
Shin Hashiguchi ◽  
...  

1998 ◽  
Vol 82 (12) ◽  
pp. 1433-1437 ◽  
Author(s):  
P. Toti ◽  
G. Greco ◽  
P. Mangiavacchi ◽  
A. Bruni ◽  
M. L. D. Palmeri ◽  
...  

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