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  • Immunocytochemistry
  • Springer  (8)
  • Frontiers Media
  • National Academy of Sciences
  • 2020-2022
  • 1980-1984
  • 1975-1979  (8)
  • 1970-1974
  • 1976  (8)
Collection
Keywords
Publisher
  • Springer  (8)
  • Frontiers Media
  • National Academy of Sciences
Years
  • 2020-2022
  • 1980-1984
  • 1975-1979  (8)
  • 1970-1974
Year
  • 1
    Electronic Resource
    Electronic Resource
    Electron microscopic immunocytochemical demonstration of separate neurophysin-vasopressinergic and neurophysin-oxytocinergic nerve fibres in the neural lobe of the rat hypophysis (1976)
    Springer
    Cell & tissue research 171 (1976), S. 31-37 
    Details
    ISSN: 1432-0878
    Keywords: Rat posterior pituitary ; Neurophysin-vasopressinergic and neurophysin-oxytocinergic fibres ; Immunocytochemistry ; Electron microscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary By means of the unlabeled antibody peroxidase-antiperoxidase (PAP) technique at the electron microscopic level, it was demonstrated that the hormones of the neural lobe of the rat hypophysis are located in separate neurophysin-vasopressinergic and neurophysin-oxytocinergic nerve fibres. These observations confirm the results of our previous immunocytochemical studies at the light microscopic level.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00219698
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  • 2
    Electronic Resource
    Electronic Resource
    Quantitative autoradiographic assessment of 3H-estradiol uptake in immunocytochemically characterized pituitary cells (1976)
    Springer
    Cell & tissue research 166 (1976), S. 25-35 
    Details
    ISSN: 1432-0878
    Keywords: Pituitary gland ; Cell types ; Estrogen ; Autoradiography ; Immunocytochemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Dry-mount autoradiography was combined with peroxidase immunocytochemistry to examine estrogen uptake in four pituitary cell types. Quantification by silver grain counts was used to compare 3H-estradiol uptake in nuclei of pituitary cells 60 min after i.v. injection into short-term (control) and long-term ovariectomized and in long-term thyroidectomized rats. Under all three hormonal states, the order of labeling intensity was: gonadotropes 〉 somatotropes 〉 lactotropes 〉 thyrotropes. Long-term ovariectomy caused a significant increase in estrogen uptake of gonadotropes, somatotropes and lactotropes, while uptake in thyrotropes decreased. Long-term thyroidectomy decreased uptake in somatotropes, lactotropes and thyrotropes while gonadotropes remained unchanged.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00215122
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  • 3
    Electronic Resource
    Electronic Resource
    Immunocytochemical localization of nerve growth factor (NGF) in the submandibular gland of adult mice by light and electron microscopy (1976)
    Springer
    Cell & tissue research 169 (1976), S. 289-299 
    Details
    ISSN: 1432-0878
    Keywords: Nerve growth factor ; Submandibular gland mice ; Immunocytochemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Nerve growth factor (NGF) was localized in the submandibular gland of adult male mice by a direct immunocytochemical method using highly purified antibodies against NGF coupled to horseradish peroxidase. In light microscopic sections the reaction product was entirely confined to the cells of the secretory tubules. The acinar part of the gland was free of reaction product. This finding was confirmed by electron microscopy. Within the cells NGF was localized exclusively in the apical secretory granules. No reaction was observed in the rough endoplasmic reticulum, the Golgi region or in the granules of the basal part of the cells. This observation favours the assumption that NGF is derived from a precursor molecule and that the precursor is transformed into immunologically active NGF within the secretory granules during their transport from the basal to the apical part of the tubular cells. Stimulation of the submandibular gland with carbachol (2 mg/kg) led to a massive release of the content of the secretory granules, including NGF, into the salivary duct.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00219602
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  • 4
    Electronic Resource
    Electronic Resource
    Ultrastructural immunocytochemical localization of luteinizing hormone-releasing hormone (LH-RH) in the median eminence of the guinea pig (1976)
    Springer
    Cell & tissue research 169 (1976), S. 157-166 
    Details
    ISSN: 1432-0878
    Keywords: Luteinizing hormone-releasing hormone ; Median eminence ; Electron microscopy ; Immunocytochemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary LH-RH was localized at the ultrastructural level in axons and nerve terminals of the median eminence of the male guinea pig. LH-RH positive neuronal profiles were most concentrated in the medial-dorsal aspect of the infundibular stalk and in the post-infundibular median eminence at the level immediately following separation of the stalk from the base of the brain. LH-RH containing axon profiles were most abundant in the palisade zone; nerve terminals in contact with the hypophysial portal vasculature were relatively rare. The hormone was present within granules that measured 900–1,200 Å in axons of the palisade zone and 400–800 Å in nerve terminals abutting on the portal plexus. The differently sized granules represent heterogeneous populations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00214205
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  • 5
    Electronic Resource
    Electronic Resource
    Cell differentiation of the fetal rat anterior pituitary in vitro (1976)
    Springer
    Cell & tissue research 170 (1976), S. 263-273 
    Details
    ISSN: 1432-0878
    Keywords: Fetal pituitary ; Cell differentiation ; Immunocytochemistry ; Tissue culture
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Adenohypophysial primordia of rat embryos at 13 to 15 days gestation were cultured in Parker 199 synthetic medium for 2 to 11 days. At the end of the culture period their fine structure and the presence of immunoreactive trophic hormones using the peroxidase-labeled antibody technique were investigated. The degree of differentiation in the glands depends largely on the age of the embryos furnishing the explants. Cultured pituitaries explanted on the 13th day of gestation contain only ACTH-positive cells and about 15% of the cells are granular. The granules are 50–100 nm in diameter in some cells, while in other cells they range from 50 to 200 nm. In cultivated adenohypophysial primordia of embryos on the 15th day of intrauterine life ACTH, prolactin, LH and TSH cells are evident, but only the same two kinds of granular cells can be observed with the electron microscope. The extent of cytodifferentiation in the glands explanted on the 14th day of gestation is intermediate between the two other groups. The data suggest that the fetal rat pituitary has the capacity of self-differentiation but to a lesser extent than that of the in situ hypophysis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00224303
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  • 6
    Electronic Resource
    Electronic Resource
    Immunocytochemical demonstration of separate vasotocinergic and mesotocinergic neurons in the amphibian hypothalamic magnocellular neurosecretory system (1976)
    Springer
    Cell & tissue research 175 (1976), S. 289-296 
    Details
    ISSN: 1432-0878
    Keywords: Amphibian hypothalamus ; Vasotocinergic and mesotocinergic neurons ; Neurophysins ; Immunocytochemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Using the unlabeled antibody peroxidase-antiperoxidase (PAP) technique at the light microscopic level, it was demonstrated that, in the amphibian magnocellular hypothalamo-hypophysial neurosecretory system, vasotocin and mesotocin are synthesized in separate neurons. A tendency to preferential location of the two kinds of neuronal perikarya is described. The neurosecretory perikarya are the origin of separate vasotocinergic and mesotocinergic axons. In the neural lobe, the pattern of distribution of the two types of axons is different. The coarse ventricular “dendrites” of both kinds of neurons are hormone-containing processes. Staining with anti-bovine neurophysin I serum suggested that the vasotocinergic and the mesotocinergic neurons synthesize different neurophysins.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00218707
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  • 7
    Electronic Resource
    Electronic Resource
    Electron microscopic immunocytochemical demonstration of separate vasotocinergic and mesotocinergic nerve fibres in the neural lobe of the amphibian hypophysis (1976)
    Springer
    Cell & tissue research 173 (1976), S. 461-464 
    Details
    ISSN: 1432-0878
    Keywords: Amphibian posterior pituitary ; Vasotocinergic and mesotocinergic fibres ; Immunocytochemistry ; Electron microscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Using the unlabeled antibody peroxidase-antiperoxidase (PAP) technique at the electron microscopic level, it was demonstrated that the hormones of the posterior pituitary of Rana temporaria are located in separate vasotocinergic and mesotocinergic nerve fibres. This observation confirms the results of our previous immunocytochemical studies at the light microscopic level.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00224308
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  • 8
    Electronic Resource
    Electronic Resource
    Immunocytochemical study of the hypothalamo-neurohypophysial system (1976)
    Springer
    Cell & tissue research 175 (1976), S. 165-181 
    Details
    ISSN: 1432-0878
    Keywords: Pig ; Neurophysin-I ; Neurophysin-II ; Immunocytochemistry ; Specific neurophysin neurosecretory systems
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Antibodies raised against porcine neurophysin-I and porcine neurophysin-II using an injection regime in rabbits over a short time period, were used to localize neurophysin-I and neurophysin-II in hypothalamic neurosecretory elements of the domestic pig. In transverse section, neurophysin-II containing cells were more abundant in the dorsal medial region of the rostral supraoptic nucleus (SON) as compared with the distribution of neurophysin-I neurons. The main bulk of the cells of the SON were heavily stained for neurophysin-I with neurophysin-II containing cells positioned dorsal from the edge of the optic chiasma. Neurosecretory cells of the SON as seen in sagittal section also showed a differential staining for neurophysins-I and -II. Rostral regions of the pig paraventricular nucleus (PVN) contained magnocellular elements near the third ventricle which were stained predominantly for neurophysin-II. In regions corresponding to the caudal PVN there appeared two populations of neurosecretory neurons: (a) an area of cells adjacent to the third ventricle which contained neurophysin-II antigen and (b) a group of densely populated cells in the dorsal-lateral region which was stained for neurophysin-I. The results support the existence in the pig of at least two distinct populations of neurosecretory neurons corresponding to the neurophysin-I and neurophysin-II neurosecretory system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00232077
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