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  • 1
    Electronic Resource
    Electronic Resource
    Voltammetric Analysis of Nigral Graft Function (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 495 (1987), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1987.tb23697.x
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  • 2
    Electronic Resource
    Electronic Resource
    Toward a Transplantation Therapy in Parkinson's Disease (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 495 (1987), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1987.tb23707.x
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  • 3
    Electronic Resource
    Electronic Resource
    Transplantation of Monoamine-Producing Cell Systems in Oculo and Intracranially: Experiments in Search of a Treatment for Parkinson's Disease (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 457 (1985), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1985.tb20801.x
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  • 4
    Electronic Resource
    Electronic Resource
    Testicular atrophy and loss of nerve growth factor-immunoreactive germ cell line in rats exposed to n-hexane and a protective effect of simultaneous exposure to toluene or xylene (1989)
    Springer
    Archives of toxicology 63 (1989), S. 296-307 
    Details
    ISSN: 1432-0738
    Keywords: Testicular atrophy ; NGF ; Male germ cells ; spermatozoa ; Toluene ; Xylene ; n-Hexane ; Combined exposure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Testicular and germ cell line morphology in rats were studied 2 weeks, 10 months and 14 months after cessation of a 61-day inhalation exposure to 1000 ppm n-hexane. Androgen biosynthetic capacity of testis, testosterone blood concentration, vas deferens morphology and noradrenaline (NA) concentration, epididymal sperm morphology, and fertility were also studied. Severe testicular atrophy involving the seminiferous tubules with loss of the nerve growth factor (NGF) immunoreactive germ cell line was found. Total loss of the germ cell line was found in a fraction of animals up to 14 months post-exposure, indicating permanent testicular damage. No impairment of androgen synthesis or androgen dependent accessory organs was observed. Simultaneous administration of 1000 ppm n-hexane and 1000 ppm toluene, or 1000 ppm n-hexane and 1000 ppm xylene, did not cause germ cell line alterations or testicular atrophy. Toluene and xylene were thus found to protect from n-hexane induced testicular atrophy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00278643
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  • 5
    Electronic Resource
    Electronic Resource
    Nerve growth factor-like immunoreactivities in rodent salivary glands and testis (1987)
    Springer
    Cell & tissue research 248 (1987), S. 275-286 
    Details
    ISSN: 1432-0878
    Keywords: Nerve growth factor ; Salivary glands ; Antibodies ; Immunocytochemistry ; Affinity purification ; Specificity tests ; Testis ; Mouse
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary A series of polyclonal affinity-purified antibodies against mouse submandibular-gland nerve growth factor (NGF) are described. Using the submandibular gland of the male mouse and indirect immunofluorescence, the specificity and sensitivity of affinity-purified immunoglobulins and various other fractions from the immunized animals have been tested. It will be shown that affinity-purification schemes, including pre-purification of protein A-fractionated immunoglobulins to remove antibodies that bind to unrelated hydrophilic and hydrophobic proteins, significantly enhance the signal-to-noise ratio and specificity of the antibodies. The antibodies effectively detect NGF-like immunoreactivity in both fresh and fixed glandular tissue. Optimal fixation procedures are described. Fluorescence intensities are linearly correlated to log antibody concentration. By use of the best antibody fractions and optimal fixation protocols, the distribution of NGF-like immunoreactivity is described in eight different salivary glands (rat and mouse, male and female, submandibular and sublingual glands). In addition to the well-known large numbers of immunoreactive cells in the submandibular gland of the male mouse, immunoreactive cells were found in the sublingual gland of male mice and in the submandibular and sublingual glands of female mice. One antibody revealed a weak specific fluorescence also in the submandibular gland of the male mouse. In a survey of genital organs of male mice, one antibody revealed fluorescence in the germ cell line. We conclude that several polyclonal affinity-purified antibodies have been characterized that show a strong NGF-dependent binding to the secretory granules of tubular cells in the submandibular gland of male mice. These antibodies should make it possible to locate endogenous and perturbed NGF levels immunocytochemically, e.g., in the peripheral and central nervous system, where NGF concentrations may be several orders of magnitude lower than in the salivary glands.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00218194
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  • 6
    Electronic Resource
    Electronic Resource
    Nerve fiber production by intraocular adrenal medullary grafts: Stimulation by nerve growth factor or sympathetic denervation of the host iris (1985)
    Springer
    Cell & tissue research 241 (1985), S. 241-249 
    Details
    ISSN: 1432-0878
    Keywords: Chromaffin grafts ; Adrenal medulla ; Transplantation, intraocular ; Nerve growth factor ; Adrenergic nerves ; Denervation, sympathetic ; Nerve growth ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary This study evaluates the production of adrenergic nerve fibers by adrenal medullary tissue of the adult rat grafted to the anterior chamber of the eye of adult recipients. The chromaffin grafts attach to and become vascularized by the host iris. They decrease in size intraocularly during the first 3 weeks. This decrease is somewhat counteracted by sympathetic denervation of the host iris, and better counteracted by sympathetic denervation and addition of nerve growth factor (NGF, given at grafting and 1 and 2 weeks after grafting). Outgrowth of adrenergic nerve fibers from the grafts into the host iris was studied in wholemount preparations by use of the Falck-Hillarp technique 3 weeks after grafting. The innervated area of the host iris was approximately doubled in the chronically sympathectomized group and doubled again in the chronically sympathectomized NGF-supplemented group. Chronic sympathetic denervation had no effect on density of outgrowing nerves, whereas addition of NGF more than doubled nerve density. Since sympathetic denervation causes a slight elevation of NGF activity in the iris, the present experiments are taken as evidence that the level of NGF in the iris regulates formation of nerve fibers by adrenal medullary tissue grafts from adult rats.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00217167
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  • 7
    Electronic Resource
    Electronic Resource
    On the origin and distribution of vasoactive intestinal polypeptide-, peptide HI-, and cholecystokinin-like-immunoreactive nerve fibers in the rat iris (1985)
    Springer
    Cell & tissue research 242 (1985), S. 1-7 
    Details
    ISSN: 1432-0878
    Keywords: Vasoactive intestinal polypeptide ; Peptide HI ; Cholecystokinin ; Iris ; Capsaicin ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The presence and distribution of nerve fibers expressing immunoreactivity to the neuropeptides vasoactive intestinal polypeptide, peptide HI and cholecystokinin was examined in stretch-prepared rat iris whole mounts. By use of antiserum to vasoactive intestinal polypeptide an irregular, relatively sparse network of varicose, intensely fluorescent fibers was observed innervating both the dilator plate and the sphincter area. Positive fibers were present also in the ciliary body and the choroid membrane. Surprisingly, a large variation in the amount of vasoactive intestinal polypeptide-positive nerves was seen among irides. Furthermore, an uneven distribution of fluorescent nerve fibers was observed within individual irides. Thus, some areas had a relatively dense innervation, whereas others were devoid of immunoreactive nerve fibers. A similar fiber system was detected using antiserum to peptide HI. In all probability, vasoactive intestinal polypeptide and peptide HI coexist within the same nerve population. A denser and more regular network of cholecystokinin-positive fibers was found in normal rat irides. Such fibers were also present in the sphincter area and in high density in the choroid membrane. Neither extirpation of the superior cervical nor the ciliary ganglion caused any detectable decrease in amount of either vasoactive intestinal polypeptide/peptide HI- or cholecystokinin-positive fibers. However, capsaicin, which in the iris causes permanent disappearance of substance-P fibers, had a similar effect on cholecystokinin-positive fibers, whereas no effect was noted on the vasoactive intestinal polypeptide/peptide HI fiber network. It is concluded that the rat iris contains a network of vasoactive intestinal polypeptide/peptide HI-positive nerves that does not originate in either the superior cervical or the ciliary ganglion, and most probably also not in the trigeminal ganglion, and a cholecystokinin-positive network that probably originates in the trigeminal ganglion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00225556
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  • 8
    Electronic Resource
    Electronic Resource
    Galanin-immunoreactive nerves in the rat iris: alterations induced by denervations (1987)
    Springer
    Cell & tissue research 250 (1987), S. 267-275 
    Details
    ISSN: 1432-0878
    Keywords: Galanin ; Iris ; Choroid membrane ; Immunohistochemistry ; Trigeminal ganglion ; Superior cervical ganglion ; Calcitonin gene-related peptide ; Capsaicin ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The iris and choroid membrane of the adult rat contain nerve fibers expressing immunoreactivity to the neuropeptide galanin. The density and distribution of galanin-positive nerve fibers varied from iris to iris and, particularly, among animals. Smooth, non-terminal axons were seen running in nerve bundles consisting of otherwise negative fibers. From the choroid membrane these bundles reached the iris via the ciliary body. Axons were frequently seen to branch giving rise to a sparse system of varicose, single fibers in the dilator plate and sphincter area. Galanin-positive fibers were sometimes also seen outlining blood vessels. Capsaicin, in a dose that causes permanent depletion of substance P- and cholecystokinin-immunoreactive fibers in the iris, caused no change in amount of galanin-positive fibers. Removal of the superior cervical ganglion caused a rapid and pronounced increase in the number of galanin-immunoreactive nerve fibers. Similarly, removal of the ciliary ganglion appeared to increase galanin immunoreactivity, while removal of the pterygopalatine ganglion was less effective. Lesioning of the trigeminal ganglion caused a disappearance of galanin immunoreactivity. The sympathetectomy-induced increase was counteracted by capsaicin. Galanin-positive nerve cell bodies were present in both the superior cervical and the trigeminal ganglia. In the superior cervical ganglion, immunoreactive galanin did not seem to coexist with neuropeptide Y-positive cells; in the trigeminal ganglion, some galanin-positive cells also contained calcitonin gene-related peptide (CGRP) immunoreactivity, while most cells did not. In the iris, double-staining suggested that CGRP and galanin immunoreactivities were contained in different fiber populations. We conclude that the rat iris and choroid membrane contain a sparse plexus of nerve fibers expressing galanin-like immunoreactivity. It is suggested that these fibers are derived from the trigeminal ganglion. The iris is able to respond with a pronounced increase in number of galanin-immunoreactive nerve fibers to certain denervation procedures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00219071
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  • 9
    Electronic Resource
    Electronic Resource
    Detection of nerve growth factor and its mRNA by separate and combined immunohistochemistry andin situ hybridization in mouse salivary glands (1989)
    Springer
    Journal of molecular histology 21 (1989), S. 1-7 
    Details
    ISSN: 1573-6865
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Intense labelling of secretory cells in the male mouse submandibular gland was observed afterin situ hybridization using mouse nerve growth factor (NGF) cDNA probes. Under the same conditions, sparse less intensely labelled cells were also found in the sublingual gland. Hybridization to a chicken NGF cDNA probe gave weak labelling on the glands in accordance with a weak cross-hybridization between mouse NGF mRNA and chicken NGF cDNA probes, whereas no labelling was seen using pUC9 DNA as a hybridization probe. A combination ofin situ hybridization and immunohistochemistry was also carried out on the same sections of submandibular gland. A good correlation was seen between actively synthesizing and intensely immunoreactive cells in the gland. The technique described here allows the detection of individual cells synthesizing relatively low levels of NGF. The combination ofin situ hybridization and immunocytochemistry on the same section should be particularly useful in cases where NGF is transported away from its site of synthesis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01002465
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