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  • Immunohistochemistry  (7)
  • Computed tomography  (3)
  • Gas chromatography  (2)
  • 1
    Digitale Medien
    Digitale Medien
    In situ polymerase chain reaction detection of HTLV-I provirus and expression of the p53 tumor suppressor gene in infiltrating cells in skeletal muscle from a patient with adult T cell leukemia (1995)
    Springer
    Acta neuropathologica 90 (1995), S. 323-327 
    Details
    ISSN: 1432-0533
    Schlagwort(e): Adult T cell leukemia ; HTLV-I ; Immunohistochemistry ; In situ polymerase chain reaction ; p53 protein
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We report the pathological changes in skeletal muscle from a patient with acute adult T cell leukemia (ATL). HTLV-I provirus was detected in infiltrating cells using in situ polymerase chain reaction in frozen sections. Furthermore, aberrant expression of the p53 protein was observed in the infiltrating cells. As p53 protein was not observed in mononuclear inflammatory cells in patients with polymyositis, expression of the p53 protein was considered to be one of the characteristic findings in ATL cells. This is the first direct detection of ATL cells in skeletal muscle.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00296518
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  • 2
    Digitale Medien
    Digitale Medien
    The main HTLV-I-harboring cells in the muscles of viral carriers with polymyositis are not macrophages but CD4+ lymphocytes (1996)
    Springer
    Acta neuropathologica 92 (1996), S. 358-361 
    Details
    ISSN: 1432-0533
    Schlagwort(e): Key words In situ polymerase chain reaction ; Immunohistochemistry ; Human T cell lymphotropic ; virus type I ; Proviral DNA ; Polymyositis
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We have analyzed muscle biopsy specimens from polymyositis patients who are also positive for human T cell lymphotropic virus type I (HTLV-I) using both immunohistochemistry for surface antigens of lymphocytes and macrophages and in situ polymerase chain reaction for HTLV-I proviral DNA on the same sections. We found HTLV-I in CD4+ cells but not in macrophages. This finding suggests that most of the HTLV-I-containing CD4+ cells are not macrophages but lymphocytes.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s004010050530
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  • 3
    Digitale Medien
    Digitale Medien
    In situ polymerase chain reaction detection of HTLV-I provirus and expression of the p53 tumor suppressor gene in infiltrating cells in skeletal muscle from a patient with adult T cell leukemia (1995)
    Springer
    Acta neuropathologica 90 (1995), S. 323-327 
    Details
    ISSN: 1432-0533
    Schlagwort(e): Key words Adult T cell leukemia ; HTLV-I ; Immunohistochemistry ; In situ polymerase chain reaction ; p53 protein
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We report the pathological changes in skeletal muscle from a patient with acute adult T cell leukemia (ATL). HTLV-I provirus was detected in infiltrating cells using in situ polymerase chain reaction in frozen sections. Furthermore, aberrant expression of the p53 protein was observed in the infiltrating cells. As p53 protein was not observed in mononuclear inflammatory cells in patients with polymyositis, expression of the p53 protein was considered to be one of the characteristic findings in ATL cells. This is the first direct detection of ATL cells in skeletal muscle.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00296518
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  • 4
    Digitale Medien
    Digitale Medien
    Immunohistochemical demonstration of the localization of corticotropin releasing factor-containing neurons in the hypothalamus of mammals including primates (1982)
    Springer
    Anatomy and embryology 165 (1982), S. 303-313 
    Details
    ISSN: 1432-0568
    Schlagwort(e): CRF neurons ; Hypothalamus ; Immunohistochemistry ; PAP ; Mammals
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary The presence of the CRF-containing neurons in the hypothalamus was investigated in four different species (cats, dogs, pigs, and monkeys) by the peroxidase-antiperoxidase technique using specific anti-serum to CRF. In all animals examined, CRF-containing perikarya were found mainly in the paraventricular and supraoptic nuclei, and a small number of the immunoreactive cells were observed in the accessory supraoptic nucleus and the lateral hypothalamic area. The size of the CRF-containing perikarya ranged from 20–35 μm in diameter. These findings suggest that the magnocellular paraventricular and supraoptic nuclei are the center not only of the classical neurosecretory system for the production of the posterior lobe hormones, but also that of the CRF neuronal system.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00305569
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  • 5
    Digitale Medien
    Digitale Medien
    Biological monitoring of acrylonitrile exposure through a new analytical approach to hemoglobin and plasma protein adducts and urinary metabolites in rats and humans (1993)
    Springer
    International archives of occupational and environmental health 65 (1993), S. S103 
    Details
    ISSN: 1432-1246
    Schlagwort(e): Acrylonitrile ; Adducts ; Biological monitoring ; Gas chromatography ; Hemoglobin
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary A new, simple and fast procedure of measuring acrylonitrile (ACN) in ACN derived mercapturic acids such as S-(2-cyanoethyl)-L-cysteine(CyEC), and in hemoglobin (Hb) and plasma protein adducts and urinary metabolites in rats and humans exposed to ACN was developed. ACN in mercapturic acids or proteins was analyzed by capillary gas chromatography (GC) by liberating ACN at a high-temperature in the injector port of GC with or without oxidizing sulfur atoms of the ACN-bound cysteines into sulfoxide form by hydrogen peroxide in vitro. At 350 °C, more than 90% of ACN in authentic CyEC was recovered by this method. Increasing a single ip dose of ACN from 5 to 50 mg/kg produced proportional increases in ACN bound to Hb 24 hr after the treatment. The alkylation of plasma protein with ACN was about 1/10 as low as that of Hb. After repeated daily ip doses of 1–10 mg/kg, ACN in Hb decreased with a half-life of about 9 days. ACN was also detected in the blood of workers exposed to ACN for 1 to 10 years at a Siberian synthetic rubber factory.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00381317
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  • 6
    Digitale Medien
    Digitale Medien
    An unusual cervical chordoma: CT and MRI (1996)
    Springer
    Neuroradiology 38 (1996), S. 466-467 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Key words Cervical chordoma ; Magnetic resonance imaging ; Computed tomography
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We report CT and MRI findings of an unusual cervical chordoma. CT showed only minimal bony destruction with a lobulated prevertebral mass. Sagittal MRI, however, clearly demonstrated a lesion involving the body of C2 extending prevertebrally and into the spinal canal.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00607279
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  • 7
    Digitale Medien
    Digitale Medien
    An unusual cervical chordoma: CT and MRI (1996)
    Springer
    Neuroradiology 38 (1996), S. 466-467 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Cervical chordoma ; Magnetic resonance imaging ; Computed tomography
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We report CT and MRI findings of an unusual cervical chordoma. CT showed only minimal bony destruction with a lobulated prevertebral mass. Sagittal MRI, however, clearly demonstrated a lesion involving the body of C2 extending prevertebrally and into the spinal canal.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00607279
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  • 8
    Digitale Medien
    Digitale Medien
    Recurrent low-grade glioma in children with special reference to computed tomography findings and pathological changes (1990)
    Springer
    Child's nervous system 6 (1990), S. 155-160 
    Details
    ISSN: 1433-0350
    Schlagwort(e): Recurrence ; Low-grade glioma ; Children ; Malignant transformation ; Computed tomography
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Recurrent low-grade gliomas in children were studied with special reference to correlation between the computed tomography (CT) scan and pathological findings at recurrence. During the past 16 years (1970–1986) 105 cases of primary pediatric brain tumors were treated in our hospital. Seventeen of these had low-grade glioma, seven of which (five astrocytomas, one ependymoma, and one subependymoma) had recurrence of tumor by the end of 1987. The enhanced CT findings were classified into three types — cystic, false cystic, and solid, according to Lapras' classification. The pathological findings of recurrent tumors were reviewed with particular attention to malignant transformation. The results showed that in two out of three cases where CT findings had changed from initial cystic to solid type at recurrence malignant transformation was revealed. Enhanced CT scan was also useful for detecting small asymptomatic recurrent tumors in children. On the other hand, surgical procedures and adjuvant therapies demonstrated no significant relationship with recurrence. It is suggested that the recurrence of low-grade glioma in children is not rare, and that changes in findings on contrast enhanced CT might reflect malignant transformation in a recurrent tumor, necessitating a careful follow-up.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00308493
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  • 9
    Digitale Medien
    Digitale Medien
    CRF-immunoreactive nerve fibers in the circumventricular organs of the monkey, Macaca fuscata (1983)
    Springer
    Cell & tissue research 232 (1983), S. 679-683 
    Details
    ISSN: 1432-0878
    Schlagwort(e): CRF-immunoreactive nerve fibers ; Circumventricular organs ; Immunohistochemistry ; Monkey, Macaca fuscata
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary The occurrence of CRF (corticotropin-releasing factor)-immunoreactive nerve fibers in the circumventricular organs of adult male monkeys, Macaca fuscata, was studied on serially sectioned brains, by means of the peroxidase-antiperoxidase technique in combination with a highly specific and sensitive CRF antiserum. CRF-containing nerve fibers were found in high concentrations in the infundibulum and, in addition, in small numbers in the posterior lobe, organum vasculosum laminae terminalis, subfornical organ, and area postrema; they were missing in the pineal body and the subcommissural organ. The CRF immunoreactive nerve fibers distributed in these organs were located in the proximity of the blood vessels.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00216438
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  • 10
    Digitale Medien
    Digitale Medien
    Differences in the distributional pattern of CRF-, oxytocin-, and vasopressin-immunoreactive nerve fibers in the median eminence of the rat (1983)
    Springer
    Cell & tissue research 230 (1983), S. 247-258 
    Details
    ISSN: 1432-0878
    Schlagwort(e): CRF ; Oxytocin ; Vasopressin ; Immunohistochemistry ; Median eminence ; Rat
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary Conspicuous differences in the distributional pattern of nerve fibers containing corticotropin-releasing factor (CRF) or posterior lobe hormones, respectively, were shown in the median eminence of the adult male rat by means of immunoperoxidase histochemistry, with the use of anti-CRF, anti-oxytocin, and anti-vasopressin sera. In the rostral and central divisions of the median eminence, a high concentration of CRF-immunoreactive nerve fibers was found in the median portion of the external layer; these fibers terminated on the capillary loops of the hypophysial portal system. In the caudal division of the median eminence, the CRF-immunoreactive nerve fibers were located in the median to paramedian portions of the external layer. Numerous oxytocin- and vasopressin-immunoreactive nerve fibers were observed evenly distributed throughout the internal layer of the median eminence. In the external layer, a small number of the oxytocin- and vasopressin-containing nerve fibers was found around the capillary loops, particularly in the median to paramedian portions. The distributional patterns of the CRF and the posterior lobe hormones in the hypothalamo-hypophysial system and their functional interrelationship are discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00213803
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