Comparative immunohistochemical demonstration of 1,25-dihydroxyvitamin D3 receptors in the vertebrate integument
Meyer, W.
Cellular and Molecular Biology 39(3): 329-332
1993
ISSN/ISBN: 0145-5680 PMID: 8392882 Document Number: 412272
The study demonstrates 1,25-dihydroxyvitamin D-3 receptors in the integument of different vertebrate groups, using a very sensitive streptavidin method. Positive reaction staining was confined to fibroblasts/fibrocytes in the dermis of those animals, which lacked strongly calcified or hardened tissue elements in this skin layer. Skin samples were obtained from dorsolateral body regions of 17 species (adults and juveniles, n=2-6), as members of seven great vertebrate groups (Agnatha/Cyclostomata: Petromyzon marinus; Chondrichthyes/Selachiformes: Scyliorhinus caniculus; Osteichthyes/Chondrostei: Calamoichthys calabaricus; Osteichthys/Teleostei: Salmo gairdneri, Corydoras paleatus; Osteichthyes/Sarcopterygii: Lepidosiren paradoxa; Amphibia/Gymnophiona: Ichthyophis glutinosus; Amphibia/Urodela: Ambystoma mexicanum; Amphibia/Anura: Bufo bufo; Reptilia/Chelonia: Trionyx ferox (juv.); Reptilia/Lepidosauria: Lacerta vivipara, Natrix natrix; Reptilia/Crocodilia: Alligator spec. (juv.); Aves/Galliformes: Gallus gallus; Mammalia/Xenarthra: Dasypus novemcinctus (juv.); Mammalia/Suiformes: Sus scrofa; Mammalia/Carnivora: Felis silvestris).