AJR ARRS Membership
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
QUICK SEARCH:   [advanced]


     

Right arrow Help viewing high resolution images
Right arrow Return to article

The following table or figure may be downloaded to PowerPoint for personal use in teaching and presentations. This feature is available to all subscribers to the journal.

You MUST read and follow the guidelines at Request to Reproduce AJR Content if you are distributing or using AJR content beyond academic use (limited distribution, non-revenue producing, or educational purposes).

(Downloading may take up to 30 seconds.
If the slide opens in your browser, select File -> Save As to save it.)


Fig. 1. —Drawing shows asymmetric gene expression in cardiac looping. Paracrine signaling molecules (A) are secreted by cells into their surroundings, affecting neighboring cells. Transcription factors bind to DNA (B) and regulate transcription of DNA sequences (genes) into messenger RNA; note helix-loop-helix motif. Extracellular matrix proteins (C) are macromolecules that serve as support structure of cells.





Right arrow Return to article

HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS