Linked Life Data

17455082

Source:http://linkedlifedata.com/resource/pubmed/id/17455082

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
2007-4-24
pubmed:abstractText
Spontaneous follicular and C-cell tumors of the thyroid gland in the Han Wistar rat were examined using two morphologic procedures. Firstly, in situ hybridization (ISH) was used to localize thyroglobulin (TG) and calcitonin (CT) mRNAs. Secondly, the proteins for these markers were detected using immunohistochemistry (IHC). The aim was to study the morphology of the tumors and to examine the usefulness of TG and CT markers in the differential diagnosis of these lesions. Follicular tumors with cystic, papillary and follicular patterns showed relatively consistent expression of TG mRNA by ISH, thereby confirming the diagnostic value of this technique. However, no staining for TG markers was observed in solid lesions. In general, C-cell tumors comprised well-differentiated cells that continued to express CT mRNA and peptides even after embolic spread and metastasis. Therefore, the performance of either ISH or IHC for CT markers can be used for diagnostic confirmation. Additional features noted in C-cell tumors included the appearance of tumor emboli or metastases in association with small primary lesions (less than 5 average follicular diameters in size) and the presence of eosinophilic (amyloid-like) material showing immunopositivity for CT peptides. Finally, evidence is provided for the sequestration of TG protein by proliferating C-cells.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0192-6233
pubmed:author
pubmed:issnType
Print
pubmed:volume
35
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
348-55
pubmed:dateRevised
2009-7-1
pubmed:meshHeading
pubmed:year
2007
pubmed:articleTitle
Expression of thyroglobulin and calcitonin in spontaneous thyroid gland tumors in the Han Wistar rat.
pubmed:affiliation
GlaxoSmithKline Research and Development, Ware, Hertfordshire, SG12 ODP, United Kingdom. pillinga@ukorg.huntingdon.com
pubmed:publicationType
Journal Article