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  • 1
    ISSN: 1432-0509
    Schlagwort(e): Stomach, polyposis ; Stomach, fundic gland polyp ; Stomach, cystic hamartomatous polyp ; X-ray examination, endoscopy
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Background: Assessments were made of 63 cases of fundic gland polyposis (FGP) unassociated with adenomatosis coli. These cases were evaluated by radiological examination over 2 years follow-up. All polyps were pathologically confirmed by endoscopic biopsies. Methods: Most cases were asymptomatic when diagnosed during mass radiological surveys of the upper gastrointestinal tract. The majority of patients ranged in age from 40–60 years, and the polyps numbered fewer than 20 in 55 cases (87.3%). Polyps were detected in the fundic glands using the congo red test and by biopsies. Results: All serum gastrin values were within the normal range. During the course of this study, the polyps of 13 cases (20.6%) increased and those of three cases (4.8%) decreased or resolved completely. Conclusion: From these findings it is considered that FGP are observed in stomachs with less atrophy, and that polyps follow courses in which they increase, decrease, disappear, along with atrophy.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    ISSN: 1432-1424
    Schlagwort(e): Na+/K+ ; ATPase ; cDNA expression ; Subunit assembly ; Xenopus oocyte
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract The cRNA for Torpedo californica Na+/K+-ATPase β-subunit (cRNAβ) was injected into Xenopus oocytes alone or with the cRNA for the Na+/K+-ATPase α-subunit (cRNAα). When cRNAβ was injected alone, the amount of the β-subunit that accumulated in oocytes increased with increasing amounts of injected cRNAβ. When cRNAβ and cRNAα were injected simultaneously, less β-subunit accumulated than when cRNAβ was injected alone, whereas the Na+/K+-ATPase activity increased markedly. The decrease in the accumulation of the β-subunit was dose-dependent upon the cRNAα. The mutant β-subunit unable to assemble with the α-subunit accumulated in oocytes independently of cRNAα, suggesting that post-translational control mechanisms may serve to reduce the accumulation of the β-subunit.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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