نتایج جستجو برای: respectively moreover

تعداد نتایج: 1014928  

Journal: :Developmental biology 2013
Wenting Zhu Celeste M Nelson

The tree-like architecture of the mammary gland is generated by branching morphogenesis, which is regulated by many signals from the microenvironment. Here we examined how signaling downstream of phosphoinositide 3-kinase (PI3K) regulates different steps of mammary branching using three-dimensional culture models of the mammary epithelial duct. We found that PI3K was required for both branch in...

2015
Marcel Mirel Popa Emilian Georgescu Mino R Caira Florentina Georgescu Constantin Draghici Raluca Stan Calin Deleanu Florea Dumitrascu

The three possible structural isomers of 4-(pyridyl)pyrimidine were employed for the synthesis of new pyrrolo[1,2-c]pyrimidines and new indolizines, by 1,3-dipolar cycloaddition reaction of their corresponding N-ylides generated in situ from their corresponding cycloimmonium bromides. In the case of 4-(3-pyridyl)pyrimidine and 4-(4-pyridyl)pyrimidine the quaternization reactions occur as expect...

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