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Yeon Sook Kim 5 Articles
Immunohistochemical Array for Clear Cell Type Mucoepidermoid Carcinoma.
Yeon Sook Kim, Sang Shin Lee, Ji Yong Song, Eun Cheol Kim, Suk Keun Lee
Korean J Pathol. 2010;44(3):284-294.
  • 2,765 View
  • 22 Download
  • 2 Citations
AbstractAbstract PDF
The protein expression profile of clear cell type mucoepidermoid carcinoma (MEC) is not well known.
We examined a case of clear cell type MEC by immunohistochemical (IHC) array using 59 antibodies against oncoproteins, proliferation-related proteins, apoptosis-related proteins, growth factor-related proteins, angiogenesis-related proteins, and matrix proteins.
MEC tumor cells showed 40 to 60% more expression of BCL-2 and cyclin-dependent kinase 4 than normal gingival tissue, and 20-40% more expression of BCL-2-associated agonist of cell death, deleted in malignant brain tumors 1, E-cadherin, eIF5A, hypoxia-inducible factor, vimentin, and Wnt-1. Expression of other proteins, including p53, epidermal growth factor receptor, proliferating cell nuclear antigen, survivin, carcinoembryonic antigen, beta-catenin, poly-ADP ribose-polymerase, etc. were relatively weak in MEC tumor cells.
The IHC array for our MEC contained strong oncogenic signals involving Wnt-1/adenomatous polyposis coli, tumor necrosis factor a/signal transducer and activator of transcription 3/BCL-2, and pAKT pathways, signals that could result in the prolonged survival of clear tumor cells.


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  • A review: Immunological markers for malignant salivary gland tumors
    P.C. Anila Namboodiripad
    Journal of Oral Biology and Craniofacial Research.2014; 4(2): 127.     CrossRef
    Ji-Sook Jung, Ho-Won Park, Ju-Hyun Lee, Hyun-Woo Seo, Suk-Keun Lee
Prenatal Development of Human Lip with Immunohistochemical Study.
Su Jung Hong, Young Joon Lee, Yeon Sook Kim, Suk Keun Lee, Je G Chi
Korean J Pathol. 2002;36(4):212-221.
  • 1,451 View
  • 13 Download
AbstractAbstract PDF
This study is aimed to elucidate the developmental pattern of human fetal lip by histological and immunohistochemical examinations.
Totally 231 normal human lip tissues obtained from autopsied fetuses were fixed with 10% buffered formalin, sectioned in cross and longitudinal directions, routinely stained for H&E and performed for immunohistochemistry with antibodies of S-100 protein, proliferating cell nuclear antigen (PCNA), transglutaminase C (TGase-C), metalloproteinase (MMP)-3, MMP-10, tenascin, KL1, K8.12, E-cadherin, tissue inhibitors of matrix metalloproteinase (TIMP)-1, TIMP-2 and total keratin (TK).
The lip structure first appeared as an orifice of stomodeum around the 7-8th week of gestation, and a major structure of the midface was observed by the 11-12th week. As the squamous epithelium of the lip became thick and was keratinized, the vermilion border became distinguished in the 15-16th week, and the lip structure was almost completed with the presence of orbicularis oris muscle in the lingual side of vermilion border by the 17-18th week. Immunohistochemically, the vermilion border showed strong reactions for tenascin, E-cadherin and MMP-3 and increased positivity for PCNA, cytokeratins (TK, KL1, K8.12), and TGase-C.
With the above findings we suppose that the cytodifferentiation of vermilion border epithelium plays an important role for the development of human fetal lip.
Improved Technique of Digoxigenin Labeled RNA in situ Hybridization.
Suk Keun Lee, Yeon Sook Kim, In Sun Song, Sang Shin Lee, Young Jun Lee, Woo Ho Kim, Je Geun Chi
Korean J Pathol. 2001;35(2):98-110.
  • 1,395 View
  • 14 Download
AbstractAbstract PDF
A practical RNA in situ hybridization method using digoxigenin labeled RNA probes is described in order to evaluate the technical difficulties and problems in RNA in situ hybridization.
The paraffin sections, routinely processed in the Pathology Laboratory, were tested for the possibility of RNA in situ hybridization instead of the RNase free paraffin sections, fixed in 4% paraformaldehyde and prepared using RNase protection procedures.
Most of the paraffin sections, fixed in 10% neutral formalin solution in fresh condition, showed relatively good reaction of RNA in situ hybridization, although the necrotic tissue and autopsy specimens showed poor reaction of RNA in situ hybridization. A refixation procedure using a 4% paraformaldehyde solution was evaluated for optimal expression of mRNA in the paraffin sections.
The treatment of 4% paraformaldehyde before the treatment of proteinase K showed better in situ hybridization than did the treatment of 4% paraformaldehyde after the treatment of proteinase K. Also a new Polymerase Chain Reaction (PCR)-based method of RNA probe production showed consistently good results.
Molecular Cloning of Novel Genes Related to the Craniofacial Development of Human Embryo.
Young Jun Lee, Tak Soo Go, Hyung Wook Han, Sang Shin Lee, Eun Cheol Kim, Yeon Sook Kim, Suk Keun Lee, Je G Chi
Korean J Pathol. 2000;34(12):961-971.
  • 1,396 View
  • 12 Download
AbstractAbstract PDF
In order to obtain novel genes for craniofacial development of human, molecular cloning and sequencing were performed and followed by in situ hybridization in tissue sections. Subtracted cDNA library of craniofacial tissue from 8 weeks old human embryo was made by the subtraction with cDNA of RHEK cells. A total of 231 clones were obtained and their partial sequence data disclosed that 214 clones were nonredundant in Genebank search. We have done in situ hybridization screening on the craniofacial sections of a 10 weeks old human fetus, and found significant positive reaction in 30 clones. Depending on the cell type of similar developmental origin, the positive reactions could be divided into four groups: first group showed an intense positive reaction in neural tube, ganglion, and a part of peripheral nerve tissue, second group relatively diffuse positive reaction in neural tube, cartilage, epithelium, and muscle, third group localized positive reaction in nerve, and muscle, and fourth group positive reaction in almost all kinds of cells of craniofacial tissues. Although every clone showed different expression patterns in the craniofacial development, some of them showed intense mRNA expressions in the characteristic cell type. Because this study also aimed to test a screening methods to find out novel genes related to craniofacial development by the subtracted cDNA library and in situ hybridization, the intense positive reaction of a certain clone by in situ hybridization may indicate its role in the developmental processes. We presumed that 30 clones selected in this study are possibly important new genes for the development of human craniofacial structure.
Gene Expressions of Mouse Submandibular Gland during the Developmental Stage and Their Antisense Inhibition in Organ Culture.
Yeon Sook Kim, Suk Keun Lee, Je G Chi
Korean J Pathol. 2000;34(6):395-412.
  • 1,325 View
  • 10 Download
AbstractAbstract PDF
This study is aimed to observe the expressions of different genes, including the extracellular matrix proteins, growth factors, and transcription factors during different developmental stages of mouse submandibular gland. Reverse transcription-polymerase chain reaction (RT-PCR) and the antisense inhibition in organ culture system were performed using mouse embryos and newborns. Total 140 mouse embryos (E14(80), E15(20), E16(20), E18(20)) and 30 newborn mice (D2(10), D3(10), D6(10)) obtained from 60 pregnant mice and 3 adult mice (3 weeks old) were used for the cDNA production and the salivary gland organ culture. Syndecan, perlecan, laminin alpha1 chain, TGF beta1, beta 3, and sonic hedgehog mRNAs were expressed in the early stage (E14~E16) of the submandibular gland development, whereas transglutaminase C (TGase C), E-cadherin, epimorphin, laminin beta2 and gamma1 chains, and HGF mRNAs were expressed in the middle and late stages (E16~E18, D2~D6). Antisense inhibition of different genes in the organ culture of E14 mouse embryos of submandibular gland showed specific growth retardation in the development of ductal and acinar cells. Especially, the antisense inhibition of perlecan, E-cadherin, laminin alpha1 chain, laminin beta2 chain, and syndecan mRNA arrested the growth of ductal and acinar cells. While the antisense inhibition of integrin beta5 greatly affected the acinar cell differentiation and also produced cystic dilatation of salivary ducts, the antisense inhibition of fibronectin showed aberrant growth of ectomesenchymal tissues of the mouse submandibular gland.

JPTM : Journal of Pathology and Translational Medicine