Table 1.

Localization of neurotrophin receptors in lymphoid organs of vertebrates

Tissue	TrkA	TrkB	TrkC	p75
Bone marrow	Erythroblasts1	Erythroblasts1	Megacariocytes1	Dendritic cells2,4
		Neutrophils1	Promyelocytes1
		Megacariocytes1
		Haematopoietic cells2
Thymus	Dendritic cells5,6,7	Macrophages8	Stromal cells9,10	Dendritic cells7
	Epithelial cells2,5,6,7	Dendritic cells9,10		Epithelial cells5,11,12,13
	Thymocytes2
Bursa of Fabricius	Epithelial cells9,14	Dendritic cells14	Epithelial cells14
Spleen		Macrophages2,15	Stromal cells10	Follicular dendritic cells6
				Lymphocytes2
Lymphoid nodes	Dendritic cells5,16	Dendritic cells16		Dendritic cells6
		Macrophages2		Lymphocytes17
Peyer's patches	Dendritic cells18	Macrophages18
	Epithelial cells18
Palatine tonsils	Dendritic cells6,19	Macrophages19	Interdigitating dendritic cells19	Dendritic cells6
	Epithelial cells6,19
Cecal tonsil	Epithelial cells20	Macrophages20	Macrophages20
		Dendritic cells 20	Dendritic cells20

¹Labouyrie et al. (1999);

²Shibayama & Koizumi (1996);

³Cattoretti et al. (1993);

⁴Caneva et al. (1995);

⁵Hannestad et al. (1997);

⁶Labouyrie et al. (1997);

⁷Parrens et al. (1998);

⁸García-Suárez et al. (1998);

⁹Ciriaco et al. (1996);

¹⁰Hannestad et al. (2000);

¹¹Pescarmona et al. (1993);

¹²García-Suárez et al. (2000b);

¹³García-Suárez et al. (2001);

¹⁴Ciriaco et al. (1997);

¹⁵Pérez-Pérez et al. (1999);

¹⁶García-Suárez et al. (1997);

¹⁷Chesa et al. (1988);

¹⁸Levanti et al. (1997);

¹⁹Hannestad et al. (1995);

²⁰Hannestad et al. (1998).