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- 저자 : ( Chia-tung Shun ) (검색결과 3 건)
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( Cheng-maw Ho ),( Shu-li Ho ),( Chia-tung Shun ),( Po-huang Lee ),( Ya-hui Chen ),( Chin-sung Chien ),( Hui-ling Chen ),( Rey-heng Hu ) 대한간학회 2017 춘·추계 학술대회 (KASL) Vol.2017 No.1
Aims: Primary liver progenitor cell cancer is a rare disease entity without definite evidence and characterization. Current nomenclature of primary liver cancer with prominent progenitor features is not comprehensive. This study was aimed to investigate the existence of this kind of primary liver cancer and characterize it immunohistopathologically based on the emerging understanding of cancer stem cell pathobiology. Methods: Surgical specimens from primary liver cancer which posed diagnostic difficulty fitting within current WHO classification of combined hepatocellular-cholangiocellular carcinoma with stem-cell features according to the growth morphology and its suggested immunohistochemical features, were stained with antibodies against well-defined markers of progenitor cells, stemness, and differentiation toward hepatocytes or cholangiocytes. Comparative interpretation of images was processed considering the histological morphology and characteristic markers. Results: The primary liver cancer consisted of CD24+ cancer progenitor cells and CD90+ mesenchymal stromal cells, which were intimately mixed. CD24+ cancer cells demonstrated bi-directional trends of differentiation: bile ductule transformation (cytokeratin 19+, epithelial cell adhesion molecule [EpCAM]+, neural cell adhesion molecule [NCAM]+, CD133+, and delta-like 1 homolog [DLK1]+); and trabecular or nested cell clusters toward hepatic lineage (hepatocyte nuclear factor-4 alpha [HNF-4α]+, Hep Par1+ and negative for CK19, EpCAM, CD133, and DLK1). Moderate lymphocyte (mostly CD4+ and CD8+ T cells) infiltrated in the CD90+ cancer- associated stroma. Conclusions: We provided the corroboration that liver progenitor cells can form primary liver cancer, not just presented as few side population of cancer stem cells. Its existence might pose significance for future stem cell therapeutic intervention targeting liver diseases, albeit the disease is rare.
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( Meng Tzu Weng ),( Shu Chen Wei ),( Chun Che Lin ),( Yuk Min Tsang ),( Chia Tung Shun ),( Jann Yuan Wang ),( Ming Jium Shieh ),( Cheng Yi Wang ),( Jau Min Wong ) 대한장연구학회 2015 Intestinal Research Vol.13 No.1
Since Taiwan is an endemic area for tuberculosis (TB), differential diagnosis between the intestinal TB and Crohn`s disease is an important issue. The steering committee of Taiwan Society of Inflammatory Bowel Disease (TSIBD) has arranged a seminar accordingly on May 24th, 2014 and the different point of views by gastroenterologist, radiologist, pathologist and infectious dis-ease specialist were suggested to help the proper diagnosis and management of these two diseases. (Intest Res 2015;13:6-10)
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