![](https://depts.washington.edu/diabetes/wp-content/uploads/2017/01/vincenzo-cirulli.jpg)
![](https://depts.washington.edu/diabetes/wp-content/uploads/2017/01/laura-crisa.jpg)
Work from the Cirulli and Crisa Labs featured on the cover of iScience. Their research uncovered a previously unknown function of the Gap Junction protein Connexin 43 as a positive regulator of stem cell differentiation into definitive endoderm and pancreatic progenitors. The image featured in the cover of iScience shows a microphotograph from a section