Table 1.

In different neurodegenerative diseases SVZ proliferation either increases (++) or decreases (−−).

Diseases	SVZ Proliferation	Migration to damaged area	Selected references
Huntington	++	++	Tattersfield et al., 2004;
			Decressac et al., 2010
Parkinson	−−	??	Hoglinger et al., 2004
Ischemia/stroke	++	++	Arvidsson et al., 2002;
			Kreuzberg et al., 2010
Traumatic brain injury	++	++	Ramaswamy et al., 2005;
			Goings et al., 2004
Alzheimer	−−	??	Rodriguez et al., 2009

New neuroblasts migrate to the affected areas in some of these diseases.