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D Mack

Publications and source records attributed to D Mack.

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Neuropeptides in the human penis: an immunohistochemical study.

In the present study, the distribution of neuropeptides in the human penis is demonstrated by immunohistochemistry (IHC). IHC screening detected a complex network of nerve fibers containing vasoactive intestinal polypeptide (VIP), peptide histidine-methionine (PHM), prepro-VIP (111-122), neuropeptide Y (NPY), C-flanking peptide of NPY (C-PON), calcitonin gene-related peptide, substance P, and galanin immunoreactivities. Special attention was also given to the recently isolated, VIP-related lizard peptide helospectin, which could also be detected in neuronal elements in the penis. Colocalization studies showed the coexistence of VIP, PHM, and partly helospectin, and of NPY with C-PON within nerve fibers in the cavernous and spongious body, the glans penis, and the urethra.

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