Table 1.

Neuronal and cardiac expression of the Wnt and the Wnt receptor with biological function.

ORGAN	CELLULAR EXPRESSION		BIOLOGICAL RESPONSE
	Wnt	Wnt Receptor
Brain	Neurons	Neurons	Cell regulation and cytoprotection
	Astrocytes	Astrocytes	Cell regulation and cytoprotection
	Progenitor stem cells	Progenitor stem cells	Cellular development and maturation
Vascular System	Endothelial cells	Endothelial cells	Angiogenesis (cell proliferation, differentiation, migration)
	Progenitor vascular stem cells	Progenitor vascular stem cells	Angiogenesis and cardiomyogenesis
	Vascular smooth muscle cells	Vascular smooth muscle cells	Angiogenesis, vascular remodeling, and cytoprotection
Heart	Progenitor cardiac stem cells	Progenitor cardiac stem cells	Cardiomyogenesis and cardiac conduction cell development
	Endocardial cells	Endocardial cells	Endocardial cushion formation
	Cardiomyocytes	Cardiomyocytes	Cardiac remodeling and cytoprotection