Perhaps you’d also like to believe that humans are more complex than a worm that is used precisely for its simplicity. For ...

A protein derived from the Heligmosomoides polygyrus ... which naturally infests the intestines of rodents. These worms have already proven valuable in understanding human worm infections.

In worms and flies, the gene codes for a receptor protein that is activated by an "insulin-like" growth factor. This signaling pathway is analogous to the mammalian insulin pathway.