Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
2001-12-4
pubmed:abstractText
To investigate the association between the expression of matrix metalloproteinases (MMPs) and their tissue inhibitors (TIMPs) and the clinicopathological features in lepidic and invasive components of adenocarcinoma of the lung, we performed immunostaining for type IV collagen, various MMPs, and TIMPs in 27 cases of invasive adenocarcinomas and 5 cases of atypical adenomatous hyperplasia of alveolar epithelial cells (AAH). Mean extent of lepidic growth was 61% and the survival was significantly better in cases with 50% or more lepidic component. The preservation of type IV collagen in lepidic areas correlated inversely with lymphatic or vascular invasion (P = 0.02 and 0.002, respectively). Five-year survival was reduced in cases showing destruction of type IV collagen (P = 0.004) or expression of MMP-2 (P = 0.008) in lepidic areas. MMP-2 co-localized with MT-1-MMP (its activating enzyme) and TIMP-2 in neoplastic cells. Reactivity for other MMPs and TIMPs did not correlate with destruction of type IV collagen or prognosis. Type IV collagen was preserved in all cases of AAH. MMP-2, but not MT-1-MMP, was expressed in two of the five cases of AAH. Immunostaining for type IV collagen MMP-2 is useful in evaluating the prognosis of the lung.
pubmed:commentsCorrections
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pubmed:language
eng
pubmed:journal
pubmed:citationSubset
AIM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
0002-9440
pubmed:author
pubmed:issnType
Print
pubmed:volume
159
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2125-35
pubmed:dateRevised
2009-11-18
pubmed:meshHeading
pubmed-meshheading:11733363-Adenocarcinoma, Bronchiolo-Alveolar, pubmed-meshheading:11733363-Adenoma, pubmed-meshheading:11733363-Aged, pubmed-meshheading:11733363-Collagen Type IV, pubmed-meshheading:11733363-Female, pubmed-meshheading:11733363-Humans, pubmed-meshheading:11733363-Hyperplasia, pubmed-meshheading:11733363-Immunohistochemistry, pubmed-meshheading:11733363-Lung, pubmed-meshheading:11733363-Lung Neoplasms, pubmed-meshheading:11733363-Male, pubmed-meshheading:11733363-Matrix Metalloproteinase 2, pubmed-meshheading:11733363-Matrix Metalloproteinases, pubmed-meshheading:11733363-Matrix Metalloproteinases, Membrane-Associated, pubmed-meshheading:11733363-Metalloendopeptidases, pubmed-meshheading:11733363-Microscopy, Confocal, pubmed-meshheading:11733363-Middle Aged, pubmed-meshheading:11733363-Neoplasm Invasiveness, pubmed-meshheading:11733363-Prognosis, pubmed-meshheading:11733363-Survival Analysis, pubmed-meshheading:11733363-Tissue Inhibitor of Metalloproteinase-1, pubmed-meshheading:11733363-Tissue Inhibitor of Metalloproteinase-2
pubmed:year
2001
pubmed:articleTitle
Expression of matrix metalloproteinases in invasive pulmonary adenocarcinoma with bronchioloalveolar component and atypical adenomatous hyperplasia.
pubmed:affiliation
Department of Pathology, National Defense Medical College, Tokorozawa, Saitama, Japan.
pubmed:publicationType
Journal Article