Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
2002-5-29
pubmed:abstractText
Two different types of colonies from human thyroid papillary carcinomas were observed in collagen gel culture. One was a branching type, with many three-dimensional outgrowths. The other was a spherical type, with no outgrowths. As viewed by electron microscopy, the tumor cells of spherical-type colonies had more microvilli on their surfaces than did cells in the branching-type colonies. Histochemically, the tumor cells of spherical-type colonies had stronger positive reactions than did tumor cells of branching-type colonies. This suggests that tumor cells of spherical-type colonies have a higher potential for dissemination and invasion than do tumor cells of branching-type colonies. In fact, cases with higher percentages of spherical-type colonies could show extracapsular invasion histopathologically. Our results indicate that collagen gel culture is a useful method for studying the heterogeneity of tumor cells as well as their invasive ability in vitro.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
1050-7256
pubmed:author
pubmed:issnType
Print
pubmed:volume
12
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
281-6
pubmed:dateRevised
2007-11-15
pubmed:meshHeading
pubmed:year
2002
pubmed:articleTitle
Correlation between morphology of colonies formed by human thyroid tumor cells in collagen gel culture and invasive ability.
pubmed:affiliation
Department of Otolaryngology, Faculty of Pharmaceutical Sciences, University School of Medicine, Osakasayama, Osaka, Japan.
pubmed:publicationType
Journal Article