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  • Electronic Resource  (2)
  • CHOLANGIOGRAPHY  (1)
  • Distance matrix  (1)
  • 1
    ISSN: 1432-1432
    Keywords: Small subunit rRNA ; Ciliophora ; Phylogeny ; Colpidium ; Glaucoma ; Opisthonecta ; Maximum parsimony ; Distance matrix
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Phylogenetic relationships within the class Oligohymenophorea, phylum Ciliophora, were investigated by determining the complete small subunit rRNA (SSrRNA) gene sequences for the hymenostomesColpidium campylum, Glaucoma chattoni, and the peritrichOpisthonecta henneguyi. The affiliations of the oligohymenophoreans were assessed using both distance matrix (DM) and maximum parsimony (MP) analyses. Variations do exist in the phylogenies created by the two methods. However, the basic tree topologies are consistent. In both the DM and MP analyses the hymenostomes (C. campylum, G. chattoni, and the tetrahymenas) all form a very tight group associated with the peritrichO. henneguyi. TheTetrahymena lineage was monophyletic whereasColpidium andGlaucoma were more closely related to each other than either was to the tetrahymenas. The monophyly of the genusTetrahymena in the present analysis supports the phylogenies determined from morphological data and molecular sequence data from the histone H3II/H4II region of the genome. The perplexing and controversial phylogenetic position of the peritrichs is once again depicted in the present analysis. The distinctiveness of the peritrichOpisthonecta from both hymenostome and nassophorean ciliates based on evolutionary distances suggests that the elevation of the peritrichs to a higher taxonomic rank should be reconsidered.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Digestive diseases and sciences 42 (1997), S. 2009-2016 
    ISSN: 1573-2568
    Keywords: PRIMARY SCLEROSING CHOLANGITIS ; AUTOIMMUNE HEPATITIS ; ATYPICAL PRESENTATION ; CHOLANGIOGRAPHY ; CORTICOSTEROID THERAPY
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We describe the clinical course of a group ofpatients with primary sclerosing cholangitis who atpresentation were diagnosed to have autoimmunehepatitis. The history of one such patient is describedin detail. We also compare this atypicalsclerosing cholangitis (group I) to typical sclerosingcholangitis (group II) and to autoimmune hepatitis with(group III) and without (group IV) cholestasis. Atpresentation, mean AST in groups I and III was similar andsignificantly higher than in group II (P 〈 0.05).Mean ALP was higher in sclerosing cholangitis than inautoimmune hepatitis but not significantly so. Triaditis was present in all patients in groups I, III,and IV. Piecemeal necrosis and multilobularcollapse/fibrosis were equally frequent in groups I,III, and IV. Only the response to corticosteroids helpeddifferentiate among groups. Groups III and IV responded bynormalizing AST. In group I, AST improved, but neverbecame normal. As ALP became disproportionately abnormal(ALP-predominant pattern), cholangiography was performed, and the diagnosis of primarysclerosing cholangitis was made in all group I patients.We recommend that cholangiography be performed early inpatients with suspected autoimmune hepatitis who partially respond to corticosteroids anddevelop an ALP-predominant pattern.
    Type of Medium: Electronic Resource
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