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  • 1
    Electronic Resource
    Electronic Resource
    Immunohistochemical properties of nerve fibres supplying accessory male genital glands in the pig. A colocalisation study (1999)
    Springer
    Histochemistry and cell biology 111 (1999), S. 217-228 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract  Immunohistochemical studies have been performed to investigate the occurrence and coexistence of two catecholamine-synthesising enzymes, tyrosine hydroxylase and dopamine-β-hydroxylase, and several neuropeptides, including neuropeptide Y, vasoactive intestinal polypeptide, Leu5-enkephalin, somatostatin, calcitonin gene-related peptide and substance P, in nerve fibres supplying porcine accessory genital glands, the seminal vesicles, prostate (body and the disseminated part) and bulbourethral glands. Three major populations of nerve fibres supplying non-vascular elements of the glands have been distinguished (from the largest to the smallest one): (1) noradrenergic fibres, the majority of which contain Leu5-enkephalin, neuropeptide Y or, to a lesser extent, somatostatin, (2) non-noradrenergic, putative cholinergic fibres containing vasoactive intestinal polypeptide, neuropeptide Y and/or somatostatin and, (3) non-noradrenergic, presumably sensory fibres, containing calcitonin gene-related peptide and substance P. Whilst the coexistence patterns within nerves supplying particular glands are similar, the density of innervation varies between the organs. The innervation of the seminal vesicles and prostatic body is more developed than that of the disseminated part of the prostate and bulbourethral glands. The majority of noradrenergic fibres related to blood vessels contain neuropeptide Y only, while the non-noradrenergic nerves contain mainly vasoactive intestinal polypeptide. The possible function and origin of particular nerve fibre populations are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004180050351
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  • 2
    Electronic Resource
    Electronic Resource
    Immunohistochemical characteristics of nerve fibres supplying the porcine vas deferens. A colocalisation study (1997)
    Springer
    Histochemistry and cell biology 107 (1997), S. 229-241 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract  Double-labelling immunofluorescence was used to investigate the coexistence of the catecholamine-synthesising enzymes, tyrosine hydroxylase and dopamine-β-hydroxylase and several neuropeptides including neuropeptide Y, vasoactive intestinal polypeptide, Leu5-enkephalin, somatostatin, calcitonin gene-related peptide and substance P in nerve fibres supplying the vas deferens in juvenile and adult pigs. The study has revealed three major populations of nerve terminals innervating the organ: (1) noradrenergic fibres; (2) non-noradrenergic (putative cholinergic) fibres containing vasoactive intestinal polypeptide, neuropeptide Y and somatostatin, supplying almost exclusively the lamina propria; and (3) non-noradrenergic, presumably sensory fibres, containing calcitonin gene-related peptide and substance P. The population of noradrenergic nerves can be divided into three subpopulations: a somatostatin-containing, a Leu5-enkephalin-containing and a subpopulation immunonegative to the peptides investigated, in descending order of magnitude. Coexistence patterns of the substances existing within nerve fibres supplying the vas deferens blood vessels are clearly different from those found in nerve fibres innervating the organ wall. The majority of the noradrenergic fibres associated with blood vessels contain neuropeptide Y only, while non-noradrenergic perivascular nerves contain predominantly vasoactive intestinal polypeptide. The possibility of different sources of origin of the particular nerve fibre subpopulations supplying the porcine vas deferens and its blood vessels is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004180050108
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  • 3
    Electronic Resource
    Electronic Resource
    Distribution and immunohistochemical characteristics of neurons in the porcine caudal mesenteric ganglion projecting to the vas deferens and seminal vesicle (1995)
    Springer
    Cell & tissue research 282 (1995), S. 59-68 
    Details
    ISSN: 1432-0878
    Keywords: Vas deferens ; Seminal vesicle ; Neuopeptides ; Tyrosine hydroxylase ; Caudal mesenteric ganglion ; Retrograde tracing ; Pig
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Combined retrograde tracing (using fluorescent tracer Fast Blue) and double-labelling immunofluorescence were used to study the distribution and immunohistochemical characteristics of neurons in the porcine caudal mesenteric ganglion projecting to the vas deferens and seminal vesicle. The distribution and immunohistochemical properties of neurons projecting to both organs were similar. As revealed by retrograde tracing, Fast Blue-positive neurons were located within the left and right ganglia, with a distinct predominance in the ipsilateral one. In the ipsilateral ganglion, the majority of the neurons were located caudally, along the dorso-lateral ganglionic border, suggesting a somatotopic organization of the ganglion. Immunohistochemistry revealed four populations of retrogradely labelled neurons (from the largest to the smaller one): tyrosine hydroxylase-positive/neuropeptide Y-negative (TH+/NPY-), TH+/NPY+, TH-/NPY-, TH-/NPY+. With respect to their surrounding nerve fibres, two subpopulations of the dye-labelled neurons could be distinguished. The small one consisted of solitary neurons receiving a strong calcitonin gene-related peptide- and Leu5-enkephalin-, and a less intense vasoactive intestinal peptide-immunoreactive innervation. The remaining neurons were poorly supplied by singular nerve fibres containing some of the investigated peptides. We conclude that the caudal mesenteric ganglion should be considered as a prominent source of adrenergic and/or NPY-positive innervation for the porcine male reproductive tract.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00319133
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    The distribution and co-localization of immunoreactivity to nitric oxide synthase, vasoactive intestinal polypeptide and substance P within nerve fibres supplying bovine and porcine female genital organs (1995)
    Springer
    Cell & tissue research 281 (1995), S. 445-464 
    Details
    ISSN: 1432-0878
    Keywords: Female genital tract ; Innervation ; NADPH-diaphorase ; Nitric oxide ; Nitric oxide synthase ; Pig ; Cow
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The distribution of nitric oxide synthase-immunoreactive (NOS-IR) axons and their relationship to structures immunoreactive to vasoactive intestinal polypeptide (VIP), substance P (SP) and tyrosine hydroxylase (TH) were studied by means of the nicotinamide adenine dinucleotide phosphate-diaphorase (NADPH-d) technique or double-labelling immunofluorescence in the genital organs of cow and pig. Relevant neurons were also investigated in the pig. NOS-containing neural structures were TH-immunonegative in bovine or porcine genital organs, or in the studied ganglia. In the bovine ovary, NOS-IR nerves were neither VIP-IR nor SP-IR, whereas in the pig, most NOS-containing axons were also VIP-IR. The oviduct was supplied by single NOS/VIP- or NOS/SP-containing nerves, whereas in the uterus, NOS-IR axons were moderate in number, often being immunoreactive for VIP or SP. Numerous NOS/VIP-IR and NOS/SP-IR nerves were found in the vagina of both species. In all tissues studied, NOS-IR axons were mainly related to vascular smooth muscle. Most of the neurons of the paracervical ganglia and some neurons in dorsal root ganglia exhibited strong NOS activity. Only single neurons in sympathetic ganglia were NADPH-d-positive. Most nitrergic neurons in the autonomic ganglia were VIP-IR but SP-immunonegative. The sensory neurons were mostly NOS/SP-IR, whereas only single neurons co-expressed NOS and VIP immunoreactivity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00417862
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    Paper (German National Licenses)
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