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By means of immunoperoxidase and immune-alkaline phosphatase methods the immunoreactivities to neuropeptides: neuropeptide Y (NPY), calcitonin gene related peptide (CGRP) and a pan-neuronal marker, the protein gene product 9.5 (PGP 9.5), were evaluated in guinea pig deep dorsal skin specimens. CGRP immunoreactive (CGRP-IR) and NPY-immunoreactive (NPY-IR) nerve fibres were dispersed in the papillary...
The aim of the study was to determine the relation between involution of the FZ and the proliferation and apoptosis of the adrenal cortex cells. The study was carried out with adrenal glands from guinea pigs aged 1, 3, 9, 14, 21, 35 and 90 days. Paraffin slices were stained with Mayer haematoxylin and eosin and with acid fuchsin. For the immunohistochemical reaction the Anti- -PCNA Clone PC10 (Dako)...
Histochemical studies on the activity of some neuropeptides (PGP, CT, NPY, SP and βE) and enzymes (AP, A1P, SDH and MAO) were performed on guinea pig parathyroid glands after injections of histamine, histamine receptor blockers and muscarinic receptor blocker. Under conditions of histamine shock, the immunoreactivity of CT and the reactivity of SDH and MAO were found to decrease together with an increase...
The aim of this study was to examine a morphological picture of guinea pig skin that had been injected with neuropeptides (NPS)2 - substance P (SP) and guinea pig vasoactive intestinal peptide (VIP) - to elucidate their local influence. Routine histological stainings were performed, together with immunohistochemical reactions for T cells and for macrophages. In the deeper layers of the skin, T cell...
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