Table 6

Localization and relative abundance of type I and type II PACAP binding sites in rat peripheral tissues

StructuresType IType IIReferences
Eye
 Choroid++ Nilsson et al., 1994; D'Agata et al., 1998
 Retinal papilla++ Nilsson et al., 1994; D'Agata et al., 1998
Endocrine glands
 Anterior pituitary++/+++++ Gottschall et al., 1990; Lam et al., 1990;Huang et al., 1993
 Adrenal gland
  Glomerulosa tissue+ Hinson et al., 1999
  Medulla-Chromaffin cells++−/+ Shivers et al., 1991; Watanabe et al., 1992
 Pancreas++ Gourlet et al., 1991b; Robberecht et al., 1991b; Kashimura et al., 1993; Schmidt et al., 1993
 Liver+++ Gottschall et al., 1990; Robberecht et al., 1991a; Shivers et al., 1991; Guijarro et al., 1992, 1995; Huang et al., 1993; Nguyen et al., 1993; Bitar et al., 1994; Gagnon et al., 1994
Gonads
 Testis Lam et al., 1990
  Spermatogonia and primary spermatocytes++ Shivers et al., 1991
  Seminiferous tubules−/++ Shivers et al., 1991
  Late spermatids+ Shivers et al., 1991
  Leydig cells+++ Hueso et al., 1989; Romanelli et al., 1997
  Epithelial cells from epidymydal tubules+ Shivers et al., 1991
 Prostate+/++ Prieto and Carmena, 1983; Shivers et al., 1991; Juarranz et al., 1999a
 Seminal vesicles+ Shivers et al., 1991
 Ovary++ Gottschall et al., 1990
Cardiovascular system
 Arteries+++ Huang and Rorstad, 1987; Amenta et al., 1991; Huang et al., 1993
 Heart Shivers et al., 1991
Urinary tract
 Kidney−/+++ Lam et al., 1990;Shivers et al., 1991; Magistretti et al., 1998b
Respiratory tract
 Lung+++ Gottschall et al., 1990; Lam et al., 1990;Shivers et al., 1991; Bitar and Coy, 1993; Huang et al., 1993;Sakakibara et al., 1994; Sreedharan et al., 1995
Digestive system
 Colon+++ Broyart et al., 1981; Prieto et al., 1981; Lam et al., 1990; Ekblad, 1999
 Duodenum++ Gottschall et al., 1990
Lymphoid tissues
 Lymphoid cells++ Calvo et al., 1986
 Macrophages+++ Sakakibara et al., 1994
 Spleen++ Wiedermann et al., 1988; Tatsuno et al., 1991b
 Thymus++ Gottschall et al., 1990; Shivers et al., 1991
  • The symbols provide a semi-quantitative evaluation of the density of PACAP binding sites. +++, high density; ++, moderate density; +, low density; −, no binding sites.