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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1984-2-20
pubmed:abstractText
We have tested the proposal that the level of silver banding in leukemic cells of Ph1 + chronic granulocytic leukemia (CGL) patients increases as the disease progresses. Blood and/or bone marrow cells from 14 patients were cultured for 24 hr before banding. In all but one case, there were two populations of mitoses, those with silver bands on their nucleolar organizing regions (NORs) and those without. The percentage of cells that banded was higher, on average, in cultures from 7 patients in blastic transformation (80%) than in 8 chronic cases (36%) or in one accelerated phase (49%). Also, the mean number of NORs stained in banded cells was higher in blastic phase (6.9) compared with chronic phase cells (4.4). Hyperdiploid cell lines were present in four cases of myeloblastic transformation. All such cells were silver banded, and the mean fraction of NORs banded in them was relatively high. An increase in silver banding with time was shown in two of the patients. It seems that silver banding does increase in CGL cells as the disease progresses. This may arise either through an increase in the rate of ribosomal RNA synthesis in leukemic cells present in the blastic phase or possibly by a decrease in the rate of degradation (or processing) of newly synthesized rRNA.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jan
pubmed:issn
0165-4608
pubmed:author
pubmed:issnType
Print
pubmed:volume
11
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
61-8
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1984
pubmed:articleTitle
Silver bands in chronic granulocytic leukemia: I. Increased banding associated with blastic transformation.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't