Immunohistochemical localization of delta opioid receptors in peripheral tissues.


The distribution of delta opioid receptor (DOR) immunoreactivity (ir) was examined in various peripheral tissues of Sprague-Dawley rats and macaque monkeys, including glabrous and hairy skin, corneas, eyelids, and the lip. DOR-ir was observed in all tissues examined. In addition to the presence of DOR-immunoreactive fibers in subcutaneous nerve bundles and… (More)