scholarly journals Reduced invasion to human epithelial cell lines of Salmonella enterica serovar Typhi carrying S. Typhimurium sopD2

2011 ◽  
Vol 322 (2) ◽  
pp. 150-156 ◽  
Author(s):  
Annette N. Trombert ◽  
Paula I. Rodas ◽  
Guido C. Mora
ORL ◽  
1984 ◽  
Vol 46 (4) ◽  
pp. 195-201 ◽  
Author(s):  
Tom Takimoto ◽  
Kazuo Morishita ◽  
Ryozo Umeda ◽  
Hisashi Ogura ◽  
Motoichi Hatano

1994 ◽  
Vol 107 (2) ◽  
pp. 363-371
Author(s):  
Q.L. Lu ◽  
A.M. Hanby ◽  
M.A. Nasser Hajibagheri ◽  
S.E. Gschmeissner ◽  
P.J. Lu ◽  
...  

bcl-2 gene expression confers a survival advantage by preventing cells from entering apoptosis. In contrast to the previously described cytoplasmic localization of Bcl-2 in epithelial cells in vivo, in this study we have demonstrated, in a series of human epithelial cell lines, that Bcl-2 also localizes to mitotic nuclei. Both immunocytochemical and immunoelectron microscopical examinations localize this protein to nuclei and in particular to chromosomes. Nuclear Bcl-2 expression in these cell lines is correlated with the cell cycle. There is relatively strong expression during mitosis, most intense during prophase and metaphase, declining in telophase and then the protein becomes undetectable soon after separation of the two daughter cells. The expression and distribution of Bcl-2 is influenced by treatment with excessive thymidine. These results indicate that Bcl-2 may protect the cells from apoptosis occurring during mitosis and suggest a possible role for the protein in cell immortalization.


2002 ◽  
Vol 45 (2) ◽  
pp. 485-500 ◽  
Author(s):  
Peter van Ulsen ◽  
Muriel van schilfgaarde ◽  
Jacob Dankert ◽  
Henk Jansen ◽  
Loek van Alphen

1993 ◽  
Vol 292 (2) ◽  
pp. 551-554 ◽  
Author(s):  
M Cavigelli ◽  
J H R Kägi ◽  
P E Hunziker

The synthesis of metallothionein (MT) was investigated in three different human epithelial cell lines, each derived from one of the embryonic germ layers. The accretion of different isoforms of the protein was monitored using a sensitive neutral-pH h.p.l.c. method. Induction of MT synthesis by zinc ions and dexamethasone revealed differences between the three cell lines, both with respect to the number and the amounts of the different isoMTs formed. Dose-response experiments showed that an increase in dexamethasone concentration enhances MT accretion asymptotically to a limit, whereas within the concentration range explored zinc produces an exponential augmentation.


FEBS Letters ◽  
2007 ◽  
Vol 581 (18) ◽  
pp. 3435-3442 ◽  
Author(s):  
Jodi M. Saunus ◽  
Stacey L. Edwards ◽  
Juliet D. French ◽  
Chanel E. Smart ◽  
Melissa A. Brown

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