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  • 2000-2004
  • 1990-1994  (3)
  • ABO blood groupin  (1)
  • Bromodeoxyuridine  (1)
  • Dihydroxyacetone  (1)
  • 1
    Electronic Resource
    Electronic Resource
    The relationship between c-myc protein expression, the bromodeoxyuridine labeling index and the biological behavior of pituitary adenomas (1992)
    Springer
    Acta neuropathologica 83 (1992), S. 361-364 
    Details
    ISSN: 1432-0533
    Keywords: c-myc protein ; Bromodeoxyuridine ; Pituitary adenoma ; Malignancy ; Labeling index
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary To clarify the relationship between the percentage of c-myc protein-labeled cells, the bromodeo-xyuridine (BrdUrd) labeling index (LI) and clinical malignancy in pituitary adenomas, we studied 31 cases of pituitary adenomas. Tumor invasiveness, recurrence, tumor size and the length of illness were evaluated from operative findings, magnetic resonance imaging findings, and the clinical course. Each pituitary adenoma was scored to represent the degree of clinical malignancy. An hour before excision of the tumor, we administered BrdUrd intravenously. Surgical materials were fixed in 70% alcohol and embedded in paraffin. Both hematoxylin and eosin staining and immunohistochemical staining were performed using a monoclonal antibody for both anti-BrdUrd and anti-c-myc protein. Among pituitary adenomas, there was a significantly low percentage of c-myc protein-labeled cells in cases with acromegaly. The percentage of c-myc protein-labeled cells in the pituitary adenomas tended to increase with increase with the total scores of clinical malignancy. The BrdUrd LI was lower than 1% in almost all cases of pituitary adenomas, and it showed no correlation with their clinical malignancy. In conclusion, determination of the percentage of c-myc protein-labeled cells in pituitary adenomas proved to be useful for evaluating their clinical malignancy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00713526
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Reduced sensitivity of dihydroxyacetone on ATP-sensitive K+ channels of pancreatic beta cells in GK rats (1994)
    Springer
    Diabetologia 37 (1994), S. 1082-1087 
    Details
    ISSN: 1432-0428
    Keywords: Dihydroxyacetone ; ATP-sensitive K+ channels ; GK rat ; glycerol phosphate shuttle ; pancreatic beta cell
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In the GK (Goto-Kakizaki) rat, a genetic model of non-insulin-dependent diabetes mellitus, glucose-induced insulin secretion is selectively impaired. In addition, it has been suggested by previous studies that impaired glucose metabolism in beta cells of the GK rat results in insufficient closure of ATP-sensitive K+ channels (KATP channels) and a consequent decrease in depolarization, leading to a decreased insulin release. We have recently reported that the site of disturbed glucose metabolism is probably located in the early stages of glycolysis or in the glycerol phosphate shuttle. In the present study, in order to identify the impaired metabolic step in diabetic beta cells, we have investigated insulin secretory capacity by stimulation with dihydroxyacetone (DHA), which is known to be directly converted to DHA-phosphate and to preferentially enter the glycerol phosphate shuttle. In addition, using the patch-clamp technique, we also have studied the sensitivity of DHA on the KATP channels of beta cells in GK rats. The insulin secretion in response to 5 mmol/l DHA with 2.8 mmol/l glucose was impaired, and DHA sensitivity of the KATP channels was reduced in beta cells of GK rats. From these results, we suggest that the intracellular site responsible for impaired glucose metabolism in pancreatic beta cells of GK rats is located in the glycerol phosphate shuttle.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00418371
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    ABO blood grouping of bloodstains by sandwich ELISA using monoclonal antibody specific for human red cell band 3 (1993)
    Springer
    International journal of legal medicine 105 (1993), S. 209-212 
    Details
    ISSN: 1437-1596
    Keywords: ABO blood groupin ; Contaminated bloodstains ; Sandwich ELISA ; Monoclonal antibody ; Red cell membrane band 3 ; ABO-Blutgruppenbestimmung ; Kontaminierte Blutspuren ; Sandwich ELISA ; Monoklonale Antikörper ; Erythrozytenmembran-Bande 3
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Description / Table of Contents: usammenfassung Die ABO-Blutgruppenbestimmung an menschlichen Blutspuren wurde mit Hilfe einer ELISA-Sandwichtechnik durchgeführt, indem ein Species-spezifischer monoklonaler Antikörper gegen die aminoterminale zytoplasmatische Domäne der menschlichen Erythrozytenmembran-Bande 3 benutzt wurde. In einem Blindversuch wurden alle A-, B- und O-Blutspuren (ein 1 cm langer Faden) und AB-Blutspuren (ein 1,5 cm langer Faden) mit dieser Methode richtig bestimmt. Auch wenn Blutspuren mit anderen Körperflüssigkeiten kontaminiert waren (z. B. Sperma, Speichel) wurden lediglich die ABO-Blutgruppen-Epitope auf der Bande 3 der Erythrozytenmembran nachgewiesen. Auf diese Weise konnte die Identifikation menschlichen Blutes und die Blutgruppenbestimmung von Blutspuren, welche mit anderen Körperflüssigkeiten kontaminiert waren, simultan mit dieser Methode durchgeführt werden.
    Notes: Summary ABO blood grouping of human bloodstains was performed by a sandwich ELISA using a species-specific monoclonal antibody to the amino-terminal cytoplasmic domain of human red cell membrane band 3. In a blind trial, all A, B and O bloodstains (a 1 cm long thread) and AB bloodstains (a 1.5 cm long thread) were accurately typed by this method. Even when bloodstains were contaminated by other body fluids (e.g., semen and saliva), only the ABO blood group epitopes on band 3 of the red cell membrane were detected. Thus, identification of human blood and ABO blood grouping of bloodstains which were contaminated by other body fluids could be simultaneously performed by this method.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01642795
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    Paper (German National Licenses)
    Fulltext
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