User talk:Developmentalbio

Paracrine signalling is a type of cell-cell communication in which the target cell is nearby the sending cell.

The jak-stat signaling pathway utilizes a phosphorylated tyrosine kinase activity to activate the Janus kinase which activates STATS. This signal eventually reached the nucleus to regulate gene expression.

The hedgehog signaling pathway utilizes the hedgehog ligand which binds to patched. This in turn releases patched's inhibition of smoothened, which initiates a signal transduction pathway.

Developmentalbio (talk) 03:25, 20 March 2013 (UTC)



















Developmentalbio (talk) 02:54, 20 March 2013 (UTC)

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