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  • 1
    Electronic Resource
    Electronic Resource
    Immunohistological investigations of autopsied carotid bodies and their application to diagnosing strangulation (1994)
    Springer
    International journal of legal medicine 106 (1994), S. 281-284 
    Details
    ISSN: 1437-1596
    Keywords: Asphyxia ; Strangulation ; Carotid body ; Immunohistochemistry ; Asphyxie ; Strangulation ; Glomus caroticum ; Immunhistochemie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Description / Table of Contents: Zusammenfassung Mit Hilfe immunhistochemischer Färbemethoden wurden die histologischen Veränderungen und das Vorhandensein von Neuropeptiden (Enkephalin und VIP) im Glomus caroticum bei rechtsmedizinischen Autopsie-Fällen, speziell bei Asphyxie-Fällen, untersucht. Lediglich in Fällen von manueller und werkzeugbedingter Strangulation, in denen die Gewalt in der Nähe des Glomus caroticum erlitten wurde, waren die Hauptzellen hauptsächlich leicht angefärbt, als Hinweis, daß sie „aktive” Zellen darstellten. Weiterhin waren diese Zellen und ihre Kerne vergrößert im Vergleich zu den Hauptzellen des Glomus caroticum in anderen Autopsie-Fällen. Es entstand daher der Eindruck, daß diese Veränderungen resultierten aus der Gewalt, die direkt das Glomus caroticum traf. Aufgrund dieser Befunde wurde geschlossen, daß die immunhistochemische Untersuchung des Glomus caroticum eine nützliche Möglichkeit darstellt, um die manuelle Asphyxie zu diagnostizieren, speziell in Autopsie-Fällen unter Einbeziehung der Strangulation.
    Notes: Summary Using immunohistochemical staining, the histological changes and the presence of neuropeptides (enkephalin and VIP) in the carotid body have been investigated in medico-legal autopsy cases, especially asphyxia cases. Only in cases of manual and/or ligature strangulation cases that sustained a force near the carotid body, were the chief cells mainly lightly stained, indicating that they had been “active” cells. Furthermore, these cells and their nuclei were enlarged in comparison to the chief carotid body cells in other autopsy groups. It was thus felt that these changes had resulted from the force that had directly affected the carotid body. Based on these findings, it was concluded that immunohistochemical investigation of the carotid body offers a useful possibility for diagnosing manual asphyxia, especially in autopsy cases involving strangulation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01224770
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  • 2
    Electronic Resource
    Electronic Resource
    Widespread distribution of tau in the astrocytic elements of glial tumors (1993)
    Springer
    Acta neuropathologica 86 (1993), S. 236-241 
    Details
    ISSN: 1432-0533
    Keywords: Tau ; Immunohistochemistry ; Brain tumor ; Glioma ; Astrocyte
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Recently tau immunoreactivity has been observed in astrocytes in Alzheimer's disease and other neurological diseases. We examined the immunohistochemical localization of tau in 110 human brain tumors. Tau was widely distributed in the glial neoplastic cells and the reactive astrocytes in tumor tissues. In human surgical specimens positive immunostaining for tau was frequently observed in astrocytic tumors, oligodendroglial tumors, and glioblastoma, as well as neuronal tumors. The astrocytic neoplastic cells in medulloblastoma and other poorly differentiated tumors were also stained. In contrast, no immunoreactivity was observed in meningiomas and schwannomas. The expression of tau in brain tumors was mainly restricted to those cells with astrocytic features rather than small immature cells. The expression of tau mRNA was also demonstrated in astrocytic tumors. In conjunction with the findings of tau-positive astrocytes in some degenerative disorders, astrocytes are considered to have a potential to express tau through neoplastic transformation and reactive processes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00304137
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  • 3
    Electronic Resource
    Electronic Resource
    Increased senile plaques without microglia in Alzheimer's disease (1991)
    Springer
    Acta neuropathologica 81 (1991), S. 242-247 
    Details
    ISSN: 1432-0533
    Keywords: Senile plaque ; Microglia ; β Protein ; Immunohistochemistry ; Alzheimer's disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary To clarify the association of microglia with senile plaques, the brains from 13 patients with Alzheimer's disease (AD) and 23 nondemented aged controls were investigated immunohistochemically by a double-labeling method using anti-β-protein antiserum and anti-ferritin antibody, which is a recently reported microglia marker. In addition, a quantitative analysis was performed. The senile plaques which appeared initially in the nondemented aged controls consisted of a diffuse type without any amyloid cores and these were found in the group aged 50–59 years. The great majority of them were found to contain no ferritin-positive microglia. The number and proportion (percentage) of microglia-containing diffuse plaques increased with age. Classical and compact plaques began to appear in the brains of the group aged 70 years and over, and practically all of them contained microglia. These results suggest that microglia are not associated with initial plaque formation, but correlate with amyloid core formation. In AD, the most prominent feature was that the diffuse plaques, which contained either no or only a few ferritin-positive microglia, increased markedly.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00305864
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  • 4
    Electronic Resource
    Electronic Resource
    The birthdates of GABA-immunoreactive amacrine cells in the rat retina (1999)
    Springer
    Experimental brain research 128 (1999), S. 309-314 
    Details
    ISSN: 1432-1106
    Keywords: Key words GABA ; Bromodeoxyuridine ; Proliferation ; Immunohistochemistry ; Retina ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  The birthdates of GABAergic amacrine cells in the rat retina were investigated by immunocytochemistry using anti-GABA and anti-bromodeoxyuridine (BrdU) antisera. The ratio of co-localization of GABA to BrdU increased gradually from embryonic-day 13 (E13) and showed a peak value on E18 in the central retina and on E20 in the periphery. After birth, until postnatal-day 3 (P3), a few co-localized cells were observed in the inner nuclear layer (INL). However, in the peripheral retina, co-localized cells were observed in the INL and ganglion cell layer until P5. Our results suggest that the birthdates of GABA-immunoreactive cells vary, depending on cell-type and that there is a temporal lag in the GABA-immunoreactive cell production in the peripheral retina relative to the central retina.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002210050851
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  • 5
    Electronic Resource
    Electronic Resource
    Immunohistochemical localization of corticotropin-releasing factor (CRF)-containing neurons in the hypothalamus of the Japanese quail, Coturnix coturnix (1985)
    Springer
    Cell & tissue research 239 (1985), S. 299-304 
    Details
    ISSN: 1432-0878
    Keywords: Immunohistochemistry ; CRF ; Hypothalamus ; Coturnix quail ; Adrenalectomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Immunohistochemical localization of corticotropin-releasing factor (CRF)-like immunoreactivity in the brain of the Japanese quail was studied by means of the peroxidase anti-peroxidase (PAP) method. CRF-immunopositive perikarya of parvocellular neurons were observed mainly in the nucleus praeopticus medialis and nucleus paraventricularis. Additional perikarya were also detected in the nucleus hypothalamicus posterior medialis in the hypothalamus and in the non-hypothalamic nucleus accumbens, nucleus septalis lateralis and nucleus dorsomedialis and dorsolateralis thalami. No CRF immunoreaction was found to coexist with the vasotocin (Vt)-containing system in comparative examination of consecutive sections treated with anti-vasopressin (Vp) serum. The CRF-immunoreactive fibers were detected mainly in the external layer of the anterior median eminence but not in its posterior division. Unilateral adrenalectomy induced the marked reduction in number of the CRF immunopositive fibers in the anterior median eminence.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00218007
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  • 6
    Electronic Resource
    Electronic Resource
    Localization of CD44, the hyaluronate receptor; on the plasma membrane of osteocytes and osteoclasts in rat tibiae (1995)
    Springer
    Cell & tissue research 280 (1995), S. 225-233 
    Details
    ISSN: 1432-0878
    Keywords: CD44, adhesion molecule ; Bone ; Osteoclasts ; Osteocytes ; Immunohistochemistry ; Confocal laser scanning microscopy ; Electron microscopy ; Rat (Wistar)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract CD44 is a multifunctional adhesion molecule that binds to hyaluronic acid, type I collagen, and fibronectin. We have studied the immunohistochemical localization of CD44 in bone cells by confocal laser scanning microscopy and transmission electron microscopy in order to clarify its role in the cell-cell and/or cell-matrix interaction of bone cells. In round osteoblasts attached to bone surfaces, immunoreactivity is restricted to their cytoplasmic processes. On the other hand, osteocytes in bone matrices show intense immunoreactivity on their plasma membrane. Intense immunoreactivity for CD44 can be detected on the basolateral plasma membranes of osteoclasts. There is considerably less reactivity observed in the area of the plasma membrane that is in direct contact with bone. The pre-embedding electron-microscopical method has revealed that CD44 is mainly localized on the basolateral plasma membrane of osteoclasts. However, the ruffled border and clear zone show little immunoreactivity. A CD44-positive reaction can be detected on both plasma membranes in the contact region between osteoclasts and osteocytes. These findings suggest that: 1) cells of the osteoblast lineage express CD44 in accordance with their morphological changes from osteoblasts into osteocytes; 2) osteoclasts express CD44 on their basolateral plasma membrane; 3) CD44 in osteoclasts and osteocytes may play an important role in cell-cell and/or cell-matrix attachment via extracellular matrices.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00307793
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  • 7
    Electronic Resource
    Electronic Resource
    Localization of CD44, the hyaluronate receptor, on the plasma membrane of osteocytes and osteoclasts in rat tibiae (1995)
    Springer
    Cell & tissue research 280 (1995), S. 225-233 
    Details
    ISSN: 1432-0878
    Keywords: Key words: CD44 ; adhesion molecule ; Bone ; Osteoclasts ; Osteocytes ; Immunohistochemistry ; Confocal laser scanning microscopy ; Electron microscopy ; Rat (Wistar)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract. CD44 is a multifunctional adhesion molecule that binds to hyaluronic acid, type I collagen, and fibronectin. We have studied the immunohistochemical localization of CD44 in bone cells by confocal laser scanning microscopy and transmission electron microscopy in order to clarify its role in the cell-cell and/or cell-matrix interaction of bone cells. In round osteoblasts attached to bone surfaces, immunoreactivity is restricted to their cytoplasmic processes. On the other hand, osteocytes in bone matrices show intense immunoreactivity on their plasma membrane. Intense immunoreactivity for CD44 can be detected on the basolateral plasma membranes of osteoclasts. There is considerably less reactivity observed in the area of the plasma membrane that is in direct contact with bone. The pre-embedding electron-microscopical method has revealed that CD44 is mainly localized on the basolateral plasma membrane of osteoclasts. However, the ruffled border and clear zone show little immunoreactivity. A CD44-positive reaction can be detected on both plasma membranes in the contact region between osteoclasts and osteocytes. These findings suggest that: 1) cells of the osteoblast lineage express CD44 in accordance with their morphological changes from osteoblasts into osteocytes; 2) osteoclasts express CD44 on their basolateral plasma membrane; 3) CD44 in osteoclasts and osteocytes may play an important role in cell-cell and/or cell-matrix attachment via extracellular matrices.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00307793
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  • 8
    Electronic Resource
    Electronic Resource
    Neuroendocrine cells in the cat laryngeal epithelium (1996)
    Springer
    European archives of oto-rhino-laryngology and head & neck 253 (1996), S. 287-293 
    Details
    ISSN: 1434-4726
    Keywords: Larynx ; Mucus secretion ; Neuroendocrine cells ; Immunohistochemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The structure and distribution of neuroendocrine cells in the feline laryngeal epithelium were examined using immunohistochemical techniques. Neuroendocrine cells were often spindle shaped, with cytoplasmic processes directed towards the lumen and basement membrane. The apical portion of the cells usually reached the laryngeal lumen with microvillous projections. The cytoplasm always contained variable numbers of electrondense cored vesicles. The number of neuroendocrine cells decreased in the following order: subglottis, posterior glottis, supraglottis, anterior glottis. Neuroendocrine cells contained calcitonin gene-related peptide, substance P and/or 5-hydroxytryptamine. They also showed protein gene product 9.5 or neuron-specific enolase immunoreactivity. These observations suggest that neuroendocrine cells play a part in the regulatory function of the cat larynx by releasing various peptides. These substances may contribute to allergic reactions or control mucus secretion by acting via the endocrine or paracrine pathways and/or neurosecretory pathways.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00171145
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  • 9
    Electronic Resource
    Electronic Resource
    Neurite regeneration in the cat recurrent laryngeal nerve: an immunohistochemical study (1992)
    Springer
    European archives of oto-rhino-laryngology and head & neck 249 (1992), S. 385-388 
    Details
    ISSN: 1434-4726
    Keywords: Regeneration ; Recurrent laryngeal nerve ; Immunohistochemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The recurrent laryngeal nerve (RLN) consists of various motor, sensory and autonomic nerve fibers, although it has not been established whether different neuronal types exhibit a similar ability to regenerate. To address this question, freezing was used to injure the cat RLN fibers and the presence or absence of immunoreactivity for neuropeptides or transmitter-synthesizing enzymes was then examined as a marker to classify the fibers. In the control RLN, calcitonin gene-related peptide-immunoreactive (CGRP-IR) fibers were the highest in number and were distributed throughout the nerve fascicles. The number of substance P-immunoreactive (SP-IR) fibers was about 40% that of CGRP-IR fibers, while a portion of CGRP-IR fibers was found to contain SP immunoreactivity. Relatively low numbers of tyrosine hydroxylase-immunoreactive (TH-IR) and neuropeptide Y (NPY-IR) nerve fibers were seen which tended to form clusters. The distribution pattern of NPY-IR fibers was very similar to that of TH-IR fibers. In the regenerating RLN 1 week after the freezing injury, the fastest growing axons were CGRP-IR, while the regenerating rates of SP-IR, TH-IR and NPY-IR fibers were slower than that of CGRP-IR fibers. These results suggest that the ability for neurite regeneration varies among neuron types and that CGRP-IR fibers possess the most rapid ability to regenerate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00192259
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  • 10
    Electronic Resource
    Electronic Resource
    Lymphoplasmacyte-rich meningioma: A case report with histological and immunohistochemical studies (1997)
    Springer
    Brain tumor pathology 14 (1997), S. 59-62 
    Details
    ISSN: 1861-387X
    Keywords: Lymphoplasmacyte-rich meningioma ; Immunohistochemistry ; Polyclonal proliferation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This report concerns a 64-year-old woman with a lymphoplasmacyte-rich meningioma. Radiographically and macroscopically, the tumor had the appearance of an ordinary meningioma. Components of the meningothelial cells were positively immunostained for epithelial membrane antigen. The results of immunohistochemical assays with the antibodies to surface markers of lymphocytes L26 and UCHL-1 indicated that the lymphoplasmacellular proliferation was not neoplastic but probably represented an immune reaction of the host.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02478870
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