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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Connexin37 in normal and pathological development of mouse heart and great arteries.

Cx37 is a member of the connexin family of gap junction proteins, whose distribution in heart remains controversial. We have generated novel antibodies against Cx37 to investigate this distribution during normal and pathological development in mouse. Using these affinity-purified antibodies, we have detected Cx37 in hearts and aortas of mouse embryos from day 11 ed. onwards. Immunostaining revealed that during prenatal development Cx37 predominated in endothelial and endocardial cells but was also detectable in small amounts in the trabeculated and compact layers of ventricular myocardium, as well as in the mesenchyme of conotruncal ridges and atrioventricular cushions. Cx37 was also differentially expressed in the ascending and descending portions of the embryonic aorta, according to a pattern which differed in the three layers of the vessel wall. Cx37 distribution was altered in both heart and aorta of mice that had been exposed to all-trans retinoic acid at the beginning of foetal development, whether or not these animals subsequently developed a transposition of great arteries. The data indicate that Cx37 is widely distributed in multiple compartments of cardiovascular system, in patterns which are modulated during development, by retinoic acid.[1]

References

  1. Connexin37 in normal and pathological development of mouse heart and great arteries. Haefliger, J.A., Polikar, R., Schnyder, G., Burdet, M., Sutter, E., Pexieder, T., Nicod, P., Meda, P. Dev. Dyn. (2000) [Pubmed]
 
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