scholarly journals Claudin family members exhibit unique temporal and spatial expression boundaries in the chick embryo

2013 ◽  
Vol 1 (3) ◽  
pp. e24517 ◽  
Author(s):  
Michelle M Collins ◽  
Amanda I Baumholtz ◽  
Aimee K Ryan
2012 ◽  
Vol 12 (1) ◽  
pp. 150 ◽  
Author(s):  
Peerapat Roongsattham ◽  
Fabienne Morcillo ◽  
Chatchawan Jantasuriyarat ◽  
Maxime Pizot ◽  
Steven Moussu ◽  
...  

2001 ◽  
Vol 199 (1-2) ◽  
pp. 219-219
Author(s):  
D. LeROUEDEC ◽  
M. CHEUNG ◽  
P. J. SCOTTING ◽  
P. M. WIGMORE

2014 ◽  
Vol 95 (6) ◽  
pp. 610-624 ◽  
Author(s):  
Gail H Leeming ◽  
Anja Kipar ◽  
David J Hughes ◽  
Lynne Bingle ◽  
Elaine Bennett ◽  
...  

Gene ◽  
2008 ◽  
Vol 427 (1-2) ◽  
pp. 32-41 ◽  
Author(s):  
Natalina Quarto ◽  
Elio Pizzo ◽  
Giuseppe D'Alessio

Development ◽  
2002 ◽  
Vol 129 (7) ◽  
pp. 1583-1593 ◽  
Author(s):  
Marta G. del Barrio ◽  
M. Angela Nieto

The Snail gene family of transcription factors plays crucial roles in different morphogenetic processes during the development of vertebrate and invertebrate embryos. In previous studies of function interference for one of the family members, Slug, we showed its involvement and neural crest formation in the chick embryo. Now we have carried out a series of gain-of-function experiments in which we show that Slug overexpression in the neural tube of the chick embryo induces an increase in neural crest production. The analysis of electroporated embryos shows that Slug can induce the expression of rhoB and an increase in the number of HNK-1-positive migratory cells, indicating that it lies upstream of them in the genetic cascade of neural crest development. The increase in neural crest production after Slug overexpression was confined to the cranial region, indicating that the mechanisms of crest induction somehow differ between head and trunk. The expression of the two vertebrate family members, Slug and Snail, is peculiar with respect to the neural crest. Slug is not expressed in the premigratory crest in the mouse, whereas it is expressed in this cell population in the chick and the opposite is true for Snail(Sefton, M., Sánchez, S. and Nieto M. A. (1998) Development125, 3111-3121). This raises the question of whether they can be functionally equivalent. To test this hypothesis both intra- and interspecies, we have performed a series of ectopic expression experiments by electroporating chick and mouse Snail in the chick embryo hindbrain. We observe that both genes elicit the same responses in the neural tube. Our results indicate that they can be functionally equivalent, although the embryos show a higher response to the endogenous gene, chick Slug.


Reproduction ◽  
2015 ◽  
Vol 149 (3) ◽  
pp. R115-R126 ◽  
Author(s):  
Rhianna M Wallace ◽  
Ky G Pohler ◽  
Michael F Smith ◽  
Jonathan A Green

Pregnancy-associated glycoproteins (PAGs) are abundantly expressed products of the placenta of species within the Cetartiodactyla order (even-toed ungulates). They are restricted to this order and they are particularly numerous in the Bovidae. The PAGs exhibit a range of temporal and spatial expression patterns by the placental trophoblasts and probably represent a group of related proteins that perform a range of distinct functions in the epitheliochorial and synepitheliochorial placental forms. This review presents an overview of the origins of the PAGs, a summary of PAG expression patterns, and their use as markers of pregnancy status. Speculations about their putative role(s) in pregnancy are also presented.


2004 ◽  
Vol 122 (3) ◽  
pp. 297-304 ◽  
Author(s):  
Vern E. Collette ◽  
Paula E. Jameson ◽  
Kathy E. Schwinn ◽  
Pathmanathan Umaharan ◽  
Kevin M. Davies

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