Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1994-5-12
pubmed:abstractText
High-molecular-mass alkaline phosphatase (H-Mr AP) was detected in sera from children with solid tumors without liver metastases. H-Mr AP activities were determined by a liquid chromatographic and an electrophoretic method. In 5 out of 10 cases with solid tumors--Ewing sarcoma (n = 2), neuroblastoma (n = 2), and rhabdoid tumor (n = 1)--H-Mr AP activities ranged from 3.1-40.4 U/L and 3.1-16% of total serum AP activity. In sera of patients with leukemia (n = 18) H-Mr AP was not detectable. After the treatment of the sera with papain and phosphatidylinositol-specific phospholipase C, which release membrane-associated AP from membrane particles, H-Mr AP was no longer detectable. These results indicate that H-Mr AP in the sera of patients with solid tumors may derive from increasing cell shedding of the tumor cells with elevated levels of membrane fragments in serum, which is a well known phenomenon in liver tumors. H-Mr AP was not more detectable in the serum after successful tumor treatment. These data suggest that H-Mr AP was produced by the tumors and that this parameter may be a serological marker for some solid tumors even in the presence of normal total AP serum activity.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0300-8630
pubmed:author
pubmed:issnType
Print
pubmed:volume
206
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
36-9
pubmed:dateRevised
2004-11-17
pubmed:meshHeading
pubmed:articleTitle
High-molecular-mass or macromolecular alkaline phosphatase in sera of children with solid tumors.
pubmed:affiliation
Children's Hospital University of Cologne, Erlangen-Nürnberg.
pubmed:publicationType
Journal Article