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  • Title: Neuropeptide localization in nonmammalian vertebrates.
    Author: de Girolamo P, Lucini C.
    Journal: Methods Mol Biol; 2011; 789():37-56. PubMed ID: 21922399.
    Abstract:
    Neuropeptides are particularly suited to comparative and evolutionary studies, since they have been highly conserved during evolution. Based on primary amino-acid structure, neuropeptides can be arranged into families and synthesized as multiple molecular variants. They may play different functional roles in different organs or tissues of the same species, but also among species and classes. Immunohistochemistry (IHC) is powerful technique for localizing the molecular expression of proteins in tissues and cells of different classes of vertebrates and has been fully exploited in the study of the mammalian brain. The present chapter provides a detailed description of the protocols routinely used in our laboratory to analyze the presence and distribution of neuropeptides in nonmammalian vertebrate tissues. Single labeling protocols performed by both light and fluorescein IHC, and double labeling protocols using primary antisera raised in different species or in the same species are described. Antibody and method specificity are also discussed in detail.
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