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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1980-4-17
pubmed:abstractText
Cryptococcosis in nude (nu/nu) mice was examined histopathologically. In addition, effects of carrageenan and lymph node cell transfer against Cryptococcus infection were investigated. As controls, heterozygous littermates (nu/+mice) and mice of strain ddy (ddy mice) were employed. Each mouse was inoculated intravenously with 10(5) yeast cells of Cryptococcus neoformans suspended in 0.2 ml phosphate-buffered saline. Two mice out of each group were sacrificed at appropriate intervals up to 25 days after inoculation and histopathological sections were prepared from them. They were stained with H & E and by PAS method. Histopathological characteristic in the brain was cyst formation with no cellular response. The brain was more severely in the nu/nu mice than in either the nu/+ ddy mice. In the liver, there was a major difference in histopathological findings between the nu/nu and either of the other groups of mouse. In the nu/nu mice, cyst formation with no cellular response was induced, and on the contrary granuloma formation in the nu/+ and ddy mice. However, the granuloma formation was inhibited in the livers of the nu/+ and ddy mice by administration of carrageenan, and induced in the nu/nu mice be cell transfer. In the spleen and lymph nodes, lesions were severer in nu/nu mice than in either the nu/+ or ddy mice. These results suggested that the fungus' invasiveness of mice was strongly influenced by T-cell dependent mechanism.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
0301-486X
pubmed:author
pubmed:issnType
Print
pubmed:day
28
pubmed:volume
68
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
145-53
pubmed:dateRevised
2003-11-14
pubmed:meshHeading
pubmed:year
1979
pubmed:articleTitle
Histopathological studies on experimental cryptococcosis in nude mice.
pubmed:publicationType
Journal Article