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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2005-6-9
pubmed:abstractText
We examined the effects of IL-15 and TGF-alpha on the inhibition of macrophage infiltration into colon cancer tissue, and secretion of amphoterin from colon cancer cells. Production of IL-15 and/or TGF-alpha was associated with depletion of tumor-associated macrophages (TAMs) in both Dukes' B and C tumors (P = 0.0324 and 0.0051, respectively). Production of IL-15 and/or TGF-alpha was also associated with amphoterin mRNA expression in colon cancer tissues with TAM depletion in both Dukes' B and C tumors (P = 0.0167 and P = 0.0062, respectively). WiDr human colon cancer cells treated with IL-15 and/or TGF-alpha induced reduction of nucleus-localized amphoterin and an increase in cytosolic and membranous amphoterin. Moreover, IL-15 and/or TGF-alpha treatment increased amphoterin secretion by WiDr cells. Most notably, IL-15 and TGF-alpha treatment induced the increase of cytosol/membrane localization and secretion of amphoterin and the most pronounced effect among the treatments carried out. These results suggested that IL-15/TGF-alpha promotes depletion of TAMs and secretion of amphoterin in colon cancer.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Mar
pubmed:issn
0392-9078
pubmed:author
pubmed:issnType
Print
pubmed:volume
24
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
69-74
pubmed:meshHeading
pubmed:year
2005
pubmed:articleTitle
Interleukin-15 and transforming growth factor alpha are associated with depletion of tumor-associated macrophages in colon cancer.
pubmed:affiliation
Dept. of Molecular Pathology, Nara Medical University, Kashihara, Nara, Japan.
pubmed:publicationType
Journal Article