Journal of Pathology and Translational Medicine

Original Articles

Prognostic Significance of CD109 Expression in Patients with Ovarian Epithelial Cancer: So Young Kim, Kyung Un Choi, Chungsu Hwang, Hyung Jung Lee, Jung Hee Lee, Dong Hoon Shin, Jee Yeon Kim, Mee Young Sol, Jae Ho Kim, Ki Hyung Kim, Dong Soo Suh, Byung Su Kwon; J Pathol Transl Med. 2019;53(4):244-252. Published online May 2, 2019; DOI: https://doi.org/10.4132/jptm.2019.04.16

5,875 View
120 Download
6 Web of Science
4 Crossref

Background
Ovarian epithelial cancer (OEC) is the second-most common gynecologic malignancy. CD109 expression is elevated in human tumor cell lines and carcinomas. A previous study showed that CD109 expression is elevated in human tumor cell lines and CD109 plays a role in cancer progression. Therefore, this study aimed to determine whether CD109 is expressed in OEC and can be useful in predicting the prognosis.
Methods
Immunohistochemical staining for CD109 and reverse transcription-quantitative polymerase chain reaction was performed. Then we compared CD109 expression and chemoresistance, overall survival, and recurrence-free survival of OEC patients. Chemoresistance was evaluated by dividing into good-response group and poor-response group by the time to recurrence after chemotherapy.
Results
CD109 expression was associated with overall survival (p = .020), but not recurrence-free survival (p = .290). CD109 expression was not an independent risk factor for overall survival due to its reliability (hazard ratio, 1.58; p = .160; 95% confidence interval, 0.82 to 3.05), although we found that CD109 positivity was related to chemoresistance. The poor-response group showed higher rates of CD109 expression than the good-response group (93.8% vs 66.7%, p = .047). Also, the CD109 mRNA expression level was 2.88 times higher in the poor-response group as compared to the good-response group (p = .001).
Conclusions
Examining the CD109 expression in patients with OEC may be helpful in predicting survival and chemotherapeutic effect.

Citations

Citations to this article as recorded by

CD109 Promotes Drug Resistance in A2780 Ovarian Cancer Cells by Regulating the STAT3-NOTCH1 Signaling Axis
Jun Se Kim, Min Joo Shin, Seo Yul Lee, Dae Kyoung Kim, Kyung-Un Choi, Dong-Soo Suh, Dayea Kim, Jae Ho Kim
International Journal of Molecular Sciences.2023; 24(12): 10306. CrossRef
CD109 facilitates progression and 5-fluorouracil resistance of nasopharyngeal carcinoma
Zhenwei Zhu, Fang Zhou, Cheng Mao
Materials Express.2022; 12(9): 1189. CrossRef
Usefulness of CD109 expression as a prognostic biomarker in patients with cancer
Hyun Min Koh, Hyun Ju Lee, Dong Chul Kim
Medicine.2021; 100(11): e25006. CrossRef
Serum CD109 levels reflect the node metastasis status in head and neck squamous cell carcinoma
Sumitaka Hagiwara, Eiichi Sasaki, Yasuhisa Hasegawa, Hidenori Suzuki, Daisuke Nishikawa, Shintaro Beppu, Hoshino Terada, Michi Sawabe, Masahide Takahashi, Nobuhiro Hanai
Cancer Medicine.2021; 10(4): 1335. CrossRef

The Role of TWIST in Ovarian Epithelial Cancers: Kyungbin Kim, Eun Young Park, Man Soo Yoon, Dong Soo Suh, Ki Hyung Kim, Jeong Hee Lee, Dong Hoon Shin, Jee Yeon Kim, Mee Young Sol, Kyung Un Choi; Korean J Pathol. 2014;48(4):283-291. Published online August 26, 2014; DOI: https://doi.org/10.4132/KoreanJPathol.2014.48.4.283

7,059 View
39 Download
11 Crossref

Abstract PDF

Background

Epithelial-mesenchymal transition (EMT) is associated with tumor hypoxia. EMT is regulated, in part, by the action of TWIST, which inhibits of E-cadherin expression and may interfere with the p53 tumor-suppressor pathway.

Methods

We examined the expression of TWIST, E-cadherin, hypoxia-inducible factor 1α (HIF1α), and p53 by immunohistochemistry in 123 cases of ovarian epithelial cancers (OEC) to evaluate the role of TWIST in OEC. We assessed the association between protein expression and clinicopathologic parameters.

Results

The expression of TWIST, E-cadherin, HIF1α, and p53 proteins was found in 28.5%, 51.2%, 35.0%, and 29.3% of cases, respectively. TWIST expression was associated with higher histologic grade and unfavorable survival. TWIST expression was correlated with HIF1α expression and reduced E-cadherin expression. The altered HIF1α/TWIST/E-cadherin pathway was associated with lower overall survival (OS), while the co-expression of TWIST and p53 was correlated with lower progression-free survival. In the multivariate analyses, TWIST expression was an independent prognostic factor for OS.

Conclusions

Our data imply that TWIST expression could be a useful predictor of unfavorable prognosis for OEC. TWIST may affect the p53 tumor-suppressor pathway. Moreover, hypoxia-mediated EMT, which involves the HIF1α/TWIST/E-cadherin pathway may play an important role in the progression of OEC.

Citations

Citations to this article as recorded by

E-Cadherin Expression in Relation to Clinicopathological Parameters and Survival of Patients with Epithelial Ovarian Cancer
Michal Kielbik, Izabela Szulc-Kielbik, Magdalena Klink
International Journal of Molecular Sciences.2022; 23(22): 14383. CrossRef
Oxygen sensing, mitochondrial biology and experimental therapeutics for pulmonary hypertension and cancer
Danchen Wu, Asish Dasgupta, Austin D. Read, Rachel E.T. Bentley, Mehras Motamed, Kuang-Hueih Chen, Ruaa Al-Qazazi, Jeffrey D. Mewburn, Kimberly J. Dunham-Snary, Elahe Alizadeh, Lian Tian, Stephen L. Archer
Free Radical Biology and Medicine.2021; 170: 150. CrossRef
Hypoxia-Induced Epithelial-Mesenchymal Transition in Cancers: HIF-1α and Beyond
Shing Yau Tam, Vincent W. C. Wu, Helen K. W. Law
Frontiers in Oncology.2020;[Epub] CrossRef
Expression of selected epithelial–mesenchymal transition transcription factors in serous borderline ovarian tumors and type I ovarian cancers
Pawel Sadlecki, Jakub Jóźwicki, Paulina Antosik, Marek Grabiec
Tumor Biology.2018; 40(6): 101042831878480. CrossRef
Expression and prognostic significance of epithelial-mesenchymal transition-related markers and phenotype in serous ovarian cancer
In Hye Song, Kyu-Rae Kim, Sehun Lim, Seok-Hyung Kim, Chang Ohk Sung
Pathology - Research and Practice.2018; 214(10): 1564. CrossRef
Transcription factors controlling E-cadherin down-regulation in ovarian cancer
Holly Russell, Md Zahidul Islam Pranjol
Bioscience Horizons: The International Journal of Student Research.2018;[Epub] CrossRef
Immunohistochemical expression of TWIST in oral squamous cell carcinoma and its correlation with clinicopathologic factors
Maryam Seyedmajidi, Safoura Seifi, Dariush Moslemi, Seyyedeh-Fatemeh Mozaffari, Hemmat Gholinia, Zahra Zolfaghari
Journal of Cancer Research and Therapeutics.2018; 14(5): 964. CrossRef
Activation of TWIST1 by COL11A1 promotes chemoresistance and inhibits apoptosis in ovarian cancer cells by modulating NF‐κB‐mediated IKKβ expression
Yi‐Hui Wu, Yu‐Fang Huang, Tzu‐Hao Chang, Cheng‐Yang Chou
International Journal of Cancer.2017; 141(11): 2305. CrossRef
MicroRNA-219-5p inhibits the proliferation, migration, and invasion of epithelial ovarian cancer cells by targeting the Twist/Wnt/β-catenin signaling pathway
Chunyan Wei, Xi Zhang, Sai He, Bianli Liu, Hongfang Han, Xuejun Sun
Gene.2017; 637: 25. CrossRef
Inhibition of proliferation and invasion of hepatocellular carcinoma cells by lncRNA-ASLNC02525 silencing and the mechanism
Zi Chen, Dongwen Xu, Tao Zhang
International Journal of Oncology.2017; 51(3): 851. CrossRef
Is overexpression of TWIST, a transcriptional factor, a prognostic biomarker of head and neck carcinoma? Evidence from fifteen studies
Xianlu Zhuo, Huanli Luo, Aoshuang Chang, Dairong Li, Houyu Zhao, Qi Zhou
Scientific Reports.2015;[Epub] CrossRef

Prognostic Relevance of the Expression of CA IX, GLUT-1, and VEGF in Ovarian Epithelial Cancers: Kyungbin Kim, Won Young Park, Jee Yeon Kim, Mee Young Sol, Dong Hun Shin, Do Youn Park, Chang Hun Lee, Jeong Hee Lee, Kyung Un Choi; Korean J Pathol. 2012;46(6):532-540. Published online December 26, 2012; DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.6.532

8,055 View
38 Download
13 Crossref

Abstract PDF

Background

Tumor hypoxia is associated with malignant progression and treatment resistance. Hypoxia-related factors, such as carbonic anhydrase IX (CA IX), glucose transporter-1 (GLUT-1), and vascular endothelial growth factor (VEGF) permit tumor cell adaptation to hypoxia. We attempted to elucidate the correlation of these markers with variable clinicopathological factors and overall prognosis.

Methods

Immunohistochemistry for CA IX, GLUT-1, and VEGF was performed on formalin-fixed, paraffin-embedded tissues from 125 cases of ovarian epithelial cancer (OEC).

Results

CA IX expression was significantly associated with an endometrioid and mucinous histology, nuclear grade, tumor necrosis, and mitosis. GLUT-1 expression was associated with tumor necrosis and mitosis. VEGF expression was correlated only with disease recurrence. Expression of each marker was not significant in terms of overall survival in OECs; however, there was a significant correlation between poor overall survival rate and high coexpression of these markers.

Conclusions

The present study suggests that it is questionable whether CA IX, GLUT-1, or VEGF can be used alone as independent prognostic factors in OECs. Using at least two markers helps to predict patient outcomes in total OECs. Moreover, the inhibition of two target gene combinations might prove to be a novel anticancer therapy.

Citations

Citations to this article as recorded by

Effect of Ultrasound Therapy at the ST11 on Sympathetic Nervous System Change: A Prospective Randomized Controlled Study
Shinwoo Kang, Dongho Keum
Journal of Korean Medicine Rehabilitation.2023; 33(4): 167. CrossRef
A systematic review verified by bioinformatic analysis based on TCGA reveals week prognosis power of CAIX in renal cancer
Zikuan Zhang, Bo Wu, Yuan Shao, Yongquan Chen, Dongwen Wang, Lucia Magnelli
PLOS ONE.2022; 17(12): e0278556. CrossRef
Effect of Acupuncture at the Field of the Auricular Branch of the Vagus Nerve on Autonomic Nervous System Change
Sunjoo An, Dongho Keum
Journal of Korean Medicine Rehabilitation.2021; 31(2): 81. CrossRef
Responses of Autonomic Nervous System and Gastrointestinal Function to Acupuncture at Abdominal Anterior Cutaneous Nerve : A Pilot Study
Seohyun Park, Hojun Kim, Dongho Keum
Journal of Korean Medicine.2019; 40(1): 99. CrossRef
Omega-3 polyunsaturated fatty acid docosahexaenoic acid and its role in exhaustive-exercise-induced changes in female rat ovulatory cycle
Abeer F. Mostafa, Shereen M. Samir, R.M. Nagib
Canadian Journal of Physiology and Pharmacology.2018; 96(4): 395. CrossRef
Clear cell carcinomas of the ovary and kidney: clarity through genomics
Jennifer X Ji, Yi Kan Wang, Dawn R Cochrane, David G Huntsman
The Journal of Pathology.2018; 244(5): 550. CrossRef
Prognostic Significance of Carbonic Anhydrase IX Expression in Cancer Patients: A Meta-Analysis
Simon J. A. van Kuijk, Ala Yaromina, Ruud Houben, Raymon Niemans, Philippe Lambin, Ludwig J. Dubois
Frontiers in Oncology.2016;[Epub] CrossRef
Review of Research Topics on Abdominal Examination
Jihye Kim, Jeong Hwan Park, Keun Ho Kim
Journal of Korean Medicine.2016; 37(3): 1. CrossRef
Expression of hypoxic markers and their prognostic significance in soft tissue sarcoma
JEUNG IL KIM, KYUNG UN CHOI, IN SOOK LEE, YOUNG JIN CHOI, WON TACK KIM, DONG HOON SHIN, KYUNGBIN KIM, JEONG HEE LEE, JEE YEON KIM, MEE YOUNG SOL
Oncology Letters.2015; 9(4): 1699. CrossRef
Evaluation of a Hypoxia Regulated Gene Panel in Ovarian Cancer
Amanda F. Baker, Scott W. Malm, Ritu Pandey, Cindy Laughren, Haiyan Cui, Denise Roe, Setsuko K. Chambers
Cancer Microenvironment.2015; 8(1): 45. CrossRef
Sulforaphane reduces molecular response to hypoxia in ovarian tumor cells independently of their resistance to chemotherapy
MICHAL PASTOREK, VERONIKA SIMKO, MARTINA TAKACOVA, MONIKA BARATHOVA, MARIA BARTOSOVA, LUBA HUNAKOVA, OLGA SEDLAKOVA, SONA HUDECOVA, OLGA KRIZANOVA, FRANCK DEQUIEDT, SILVIA PASTOREKOVA, JAN SEDLAK
International Journal of Oncology.2015; 47(1): 51. CrossRef
Overexpression of Glucose Transporter-1 (GLUT-1) Predicts Poor Prognosis in Epithelial Ovarian Cancer
Hanbyoul Cho, You Sun Lee, Julie Kim, Joon-Yong Chung, Jae-Hoon Kim
Cancer Investigation.2013; 31(9): 607. CrossRef
Towards Lipidomics of Low-Abundant Species for Exploring Tumor Heterogeneity Guided by High-Resolution Mass Spectrometry Imaging
Jonathan Cimino, David Calligaris, Johann Far, Delphine Debois, Silvia Blacher, Nor Sounni, Agnès Noel, Edwin De Pauw
International Journal of Molecular Sciences.2013; 14(12): 24560. CrossRef

Case Report

Ectomesenchymal Chondromyxoid Tumor in the Anterior Tongue: Case Report of a Unique Tumor: Min Gyoung Pak, Kyung Bin Kim, Nari Shin, Woo Kyung Kim, Dong Hoon Shin, Kyung Un Choi, Mee Young Sol; Korean J Pathol. 2012;46(2):192-196. Published online April 25, 2012; DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.2.192

6,736 View
52 Download
6 Crossref

Abstract PDF

Ectomesenchymal chondromyxoid tumor (ECMT) is a rare tumor, exclusively arising in the anterior tongue. Thirty-eight cases have been reported in the English literature. It usually presents as a sessile protrusion and shows round to spindle cells embedded in myxoid to chondroid stroma. Tumor cells are almost always positive for polyclonal glial fibrillary acidic protein (GFAP). We report our experience in the recent treatment of a case of ECMT, the third case in 3 years. The mass in the anterior tongue revealed characteristic morphologic features of ECMT and the expression of polyclonal GFAP. Although ECMT should be differentiated from other mesenchymal tumors including myoepithelioma, its clinical, morphological, and immunohistochemical features enable its diagnosis, especially when pathologists are aware of it.

Citations

Citations to this article as recorded by

Ectomesenchymal chondromyxoid tumor of the oral cavity: a report of 5 new cases with comprehensive review of the literature and clinicohistopathologic features
Molly Housley Smith, Jack Moynihan
Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology.2023; 135(3): 410. CrossRef
Chondroid choristoma of the tongue: A rare case report
Sumaiya Nezam, Roquaiya Nishat, ShababAhmed Khan, JeevendraNath Shukla
National Journal of Maxillofacial Surgery.2022; 13(4): 121. CrossRef
Ectomesenchymal chondromyxoid tumor: a comprehensive updated review of the literature and case report
Astrid Truschnegg, Stephan Acham, Lumnije Kqiku, Norbert Jakse, Alfred Beham
International Journal of Oral Science.2018;[Epub] CrossRef
Clinical features of ectomesenchymal chondromyxoid tumors: A systematic review of the literature
Masanari G. Kato, Evren Erkul, Kendall S. Brewer, Emily E. Harruff, Shaun A. Nguyen, Terry A. Day
Oral Oncology.2017; 67: 192. CrossRef
Cyclin D1 Expression in Ectomesenchymal Chondromyxoid Tumor of the Anterior Tongue
Jan Laco, Radovan Mottl, Walter Höbling, Stephan Ihrler, Petr Grossmann, Alena Skalova, Ales Ryska
International Journal of Surgical Pathology.2016; 24(7): 586. CrossRef
Nodular lesion in the buccal mucosa
Bruna Jalfim Maraschin, Ana Carolina Amorim Pellicioli, Lélia Batista de Souza, Pantelis Varvaki Rados, Marco Antonio Trevizani Martins, Manoela Domingues Martins
The Journal of the American Dental Association.2015; 146(3): 196. CrossRef

Original Articles

Molecular Biological Characteristics of Differentiated Early Gastric Cancer on the Basis of Mucin Expression.: Nari Shin, Hye Yeon Kim, Woo Kyung Kim, Min Gyung Park, Kyung Bin Kim, Dong Hoon Shin, Kyung Un Choi, Jee Yeon Kim, Chang Hun Lee, Gi Young Huh, Mee Young Sol, Do Youn Park; Korean J Pathol. 2011;45(1):69-78.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.1.69

3,519 View
20 Download
2 Crossref

Abstract PDF

BACKGROUND
It is clear that the biologic characteristics of gastric cancer are different on the basis of mucin phenotypes. However, there are unabated controversies on the exact biologic differences of mucin expression in gastric cancer.
METHODS
We analyzed various protein expressions and microsatellite instability (MSI) status based on mucin expression in 130 differentiated early gastric adenocarcinoma cases. Furthermore, we evaluated the genomic alternation in 10 selected differentiated early gastric adenocarcinoma cases using array based comparative genomic hybridization (aCGH).
RESULTS
Intestinal mucin predominant subtype showed significantly elevated p53 protein and caudal-related homeobox 2 expression, and delocalization of beta catenin expressions compared to the gastric mucin predominant subtype. On MSI status, the gastric mucin predominant subtype more frequently showed unstable status than the intestinal mucin predominant subtype. CGH study showed more frequent chromosomal gain and loss in the intestinal mucin predominant subtype than the gastric mucin predominant subtype, albeit without statistical significance. Interestingly, there were significant differences in chromosomal alternation between four mucin phenotypes.
CONCLUSIONS
Study results suggest possible different points of biologic behaviors in early differentiated gastric adenocarcinomas by mucin expression type.

Citations

Citations to this article as recorded by

Mucin Expression in Gastric Cancer: Reappraisal of Its Clinicopathologic and Prognostic Significance
Dae Hwan Kim, Nari Shin, Gwang Ha Kim, Geum Am Song, Tae-Yong Jeon, Dong-Heon Kim, Gregory Y. Lauwers, Do Youn Park
Archives of Pathology & Laboratory Medicine.2013; 137(8): 1047. CrossRef
Microsatellite Instability Status in Gastric Cancer: A Reappraisal of Its Clinical Significance and Relationship with Mucin Phenotypes
Joo-Yeun Kim, Na Ri Shin, Ahrong Kim, Hyun-Jeong Lee, Won-young Park, Jee-Yeon Kim, Chang-Hun Lee, Gi-Young Huh, Do Youn Park
Korean Journal of Pathology.2013; 47(1): 28. CrossRef

Expression of p63 and its Isoform, deltaNp63, in Non-Small Cell Lung Carcinoma.: Ick Doo Kim, Dong Hoon Shin, Kyung Un Choi, Do Youn Park, Gi Yeong Huh, Mee Young Sol, Min Ki Lee, Young Dae Kim, Chang Hun Lee; Korean J Pathol. 2009;43(4):321-328.; DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.4.321

3,216 View
46 Download

Abstract PDF: BACKGROUND
Several studies have been conducted on the role of the p63 gene family in non-small cell lung carcinoma (NSCLC). Nevertheless, the role of these genes in the development and progression of NSCLC remains controversial. This study was designed to examine the expression and clinicopathologic significance of the p63 family in NSCLC.
METHODS
Immunohistochemical staining was performed on 92 cases of NSCLC (47 squamous cell carcinomas [SqCCs] and 45 adenocarcinomas [ACs]) using tissue microarray blocks. The results were analyzed and correlated with clinicopathologic data. RESULTS: The expression of delta Np63 (Delta Np63) was elevated in SqCC (39/47), but not in AC (2/45; p<0.01). Both p63 and Delta Np63 had high expression in 39 SqCCs; p63 and Delta Np63 also had a similar geomorphologic distribution in most positive tumors. The expression of Delta Np63 was correlated with histologic type, gender, pT stage, p53 expression, and p63 expression. pT and pN stages were independent factors in survival (p<0.05, respectively).
CONCLUSIONS
The major p63 isoform in NSCLC, Delta Np63, had a strong correlation with p53 and p63, and was exclusively expressed in SqCC. However, our findings suggest that Delta Np63 was not an independent prognostic factor for NSCLC.

The Effects of Immunosuppressant and Immunostimulant on the Splenic Cell Subset of Rats Having Undergone Experimentally Induced Septal Fibrosis of Liver.: Mee Young Sol, Joon Yeon Kim, Sun Kyoung Lee; Korean J Pathol. 1995;29(5):572-583.

1,326 View
10 Download

Abstract: Although there have been many reports about the importance of the spleen's role in hepatic fibrogenesis, the exact mechanism is still uncertain. The author designed this study to evaluate splenic function on hepatic fibrogenesis. The degree of hepatic fibrosis and the population of splenocyte subsets were studied in the experimental animal model with fibrosis produced by injecting normal swine serum intra-peritoneally into Sprague-Dawley rats. The animals were divided into three groups; group A was subjected to injection of swine serum only, group B swine serum and complete Freund's adjuvant and group C swine serum and cyclosporin A. The experimental hepatic fibrogenesis by swine serum was augumented by coinjection with the adjuvant and inhibited by cyclosporin A. The study of the splenocyte subset revealed increased percentages of spienic B cell and CD4+ cell and a decreased percentage of CD8+ cell, and these changes of splenocyte subset were also augumented by the adjuvant and inhibited by cyclosporin A. The percent of monocytes was not significantly altered, although a tendancy of early decrease by the adjuvant was noted.

Case Report

Recurred Angiomyofibroblastoma of the Vulva: Report of a case.: Do Youn Park, Ji Yeon Kim, OK Hyeon Kim, Hwa Sun Lee, Mee Young Sol, Kang Suek Suh, Sun Kyung Lee; Korean J Pathol. 1996;30(10):947-950.

1,735 View
21 Download

Abstract PDF: Angiomyofibroblastoma is a rare, benign mesenchymal tumor of the vulva. Since it was described in 1992 by Fletcher, 15 cases have been reported in literature. We recently experienced a recurred angiomyofibroblastoma of the vulva. A 45-year-old woman was presented initially in 1991 with a mass of labium major and local excision of tumor mass had been performed. A histologic diagnosis was made of angiomyxoma, but this diagnosis was revised to angiomyofibroblastoma by the authors. The recurred mass was well circumscribed, measuring 2.5x1.6x1.5cm in dimensions. Microscopically the tumor was characterized by high cellularity, numerous blood vessels(which lack prominent hyalinization), and plump stromal cells. Immunohistochemically, the stromal cells were reactive for vimentin and desmin, but not alpha-smooth muscle actin, or S-100 protein. We thought that this case was a recurred angiomyofibrblastoma of the vulva due to incomplete surgical excision.

Original Articles

E-Cadherin Expression and DNA Ploidy Analysis in Invasive Squamous Cell Carcinoma of the Uterine Cervix Comparison with those of CIN.: Yoo Jin Kim, Mee Young Sol, Man Ha Huh, Sun Kyung Lee; Korean J Pathol. 1997;31(6):557-565.

1,509 View
12 Download

Abstract PDF: Epithelial cadherin (E-cadherin) is a Ca2+ -dependent cell-cell adhesion molecule that connects cells via homotypic interactions. Its function is critical in the induction and maintenance of cell polarity and differentiation, and its loss is associated with an invasive and poorly differentiated phenotype in a wide range of tumors. Formalin-fixed, paraffin-embedded tissue sections from 36 cases of cervical intraepithelial neoplasia (CIN) and 14 cervical squamous cell carcinomas were investigated for the expression of E-cadherin immunohistochemically. While E-cadherin expression was usually restricted on the cell membrane of basal and parabasal cells in normal cervix, the presence of cytoplasmic E-cadherin was found to be associated with its grade in CIN lesions. Also, marked cytoplasmic staining was commonly revealed in poorly differentiated ones than well-differentiated squamous cell carcinomas. More intense reactivity of cytoplasmic E-cadherin was frequently seen in the foci of invasion than adjacent carcinoma in situ, and in its periphery than the center of tumor islands. In addition, DNA ploidy and S-phase fraction of squamous cell carcinomas were analyzed and compared with those of CIN lesion. We found that invasive squamous cell carcinomas more frequently disclosed DNA aneuploidy than CIN lesions, and there was correlation between cytoplasmic E-cadherin expression and DNA aneuploidy. Also, cytoplasmic E-cadherin-reactive cervical neoplasms had a higher rate of cell proliferation than that of membranous E-cadherin-reactive cases. These data suggest that the increased cytoplasmic E-cadherin expression may represent one of the abnormalities underlying the loss of polarity and invasiveness of cancer cells, and the abnormal E-cadherin expression combined with/without DNA ploidy or S-phase fraction may serve as a prognostic indicator.

Immunohistochemical Study of E-cadherin Expression in Gastric Adenocarcinomas.: Jee Yeon Kim, Mee Young Sol, Sun Kyung Lee; Korean J Pathol. 1997;31(8):745-753.

1,618 View
18 Download

Abstract PDF: E-cadherin (ECD) is a Ca++ -dependent adhesion molecule which plays a major role in the maintenance of intercellular adhesion in epithelial tissues. The expression pattern of ECD in 77 surgically resected gastric adenocarcinomas was examined by immunohistochemistry, using a rat monoclonal antibody raised against murine E-cadherin (DECAM-1). ECD was strongly expressed uniformly at cell to cell borders in normal gastric epithelium without exception. But, various staining patterns were observed in the cancer tissues. The frequency of tumors with preserved ECD expression (Pre-type) and reduced ECD expression (Rd-type) was 44% and 56%, respectively. Using Lauren's classification, the high frequency of the Pre-type expression in adenocarcinoma of the intestinal type was significantly higher than that in adenocarcinoma of the diffuse type (p<0.05). But, no significant correlation between the ECD expression and the gross type, invasion depth, growth pattern or metastasis was observed. These results suggest that ECD might play a key role in the morphogenesis of gastric adenocarcinoma.

Primary MALT(mucosa-associated lymphoid tissue) Type Lymphoma of the Liver.: Do Youn Park, Jee Yeon Kim, Hyo Jeong Chae, Jin Sook Lee, Chang Hun Lee, Mee Young Sol, Kang Suek Suh, Sun Kyung Lee; Korean J Pathol. 1997;31(12):1317-1319.

1,603 View
11 Download

Abstract PDF: Primary non-Hodgkin' lymphomas of the liver, an organ normally devoid of a native lymphoid tissue, are very rare. We recently experienced a case of a primary low-grade hepatic B-cell lymphoma of mucosa-associated lymphoid tissue (MALT) type in a 36-year-old woman. The ultrasonography revealed a 5 cm sized mass in the right lobe of the liver. A right segmentectomy of the liver was done and showed a relatively well-circumscribed brownish yellow lobulated homogenous mass, measuring 5.5x4.5 cm in size. Histologic sections of liver mass revealed large lymphoid follicles with reactive germinal centers, follicular colonization by centrocyte-like cells (CCL cells), and lymphoepithelial lesions. The CCL cells were positive for B-cell (CD20), LCA (CD45RA), Bcl-2 oncoprotein, and lambda light chain.

Expressions of p53 and MIB-1 in Glandular Lesions of the Uterine Cervix.: Seo Young Park, Mee Young Sol, Hye Kyoung Yoon; Korean J Pathol. 1999;33(8):589-595.

1,563 View
14 Download

Abstract PDF: The glandular lesions of the uterine cervix can be classified into endocervical glandular dysplasia (EGD), adenocarcinoma in situ (AIS) and adenocarcinoma, but the diagnostic criteria and the continuity of endocervical glandular lesions are still controversial. The aim of this study was to evaluate the significance of immunohistochemical findings of p53 and MIB-1 in the discrimination and the continuity of EGD, AIS and adenocarcinoma. The materials for the study included 11 cases of adenocarcinoma, 7 cases of AIS, 12 cases of high grade EGD, and 19 cases of low grade EGD. Also included were eleven benign glandular lesions (5 cases of tuboendometrial metaplasia, 3 cases of mesonephric remnant, 3 cases of microglandular hyperplasia). A strong reaction of more than 5% of the glandular epithelial nuclei was interpreted as positive for p53 protein. MIB-1 expression was analyzed semiquantitatively as negative, 1 , 2 , 3 , depending on the percentage of positive nuclei (less than 1%, 1~9%, 10~39%, > or = 40%, respectively). p53 protein expression was found in 3 (27.3%) out of 11 cases of adenocarcinoma, and 2 (28.6%) out of 7 cases of AIS. But all of high and low grade EGD cases were negative. High MIB-1 labelling index (> or =10%) was found in all adenocarcinoma cases and in 3 (42.9%) out of 7 cases of AIS. But only 2 (17.7%) out of 12 cases of high grade EGD showed high MIB-1 labelling index, and all of low grade EGD and benign lesions showed negligible MIB-1 positivities. In summary, MIB-1 labelling index might be valuable in the discrimination of malignant glandular lesions and endocervical glandular dysplasia from benign lesions, but p53 expression could be a useful parameter in the discrimination of malignant glandular lesions from endocervical glandular dysplasia and benign lesions.

Microvessel Density and Vascular Endothelial Growth Factor Expression in Invasive Breast Carcinomas.: Mi Yeong Jeon, Mee Young Sol, Kyung Sun Park, Hye Kyoung Yoon; Korean J Pathol. 2000;34(2):138-144.

1,555 View
14 Download

Abstract PDF: Angiogenesis is essential for tumor growth and metastasis, however, the prognostic value of neovascularization is undetermined. The aim of this study is to evaluate the prognostic significance of microvessel density (MVD) and vascular endothelial growth factor (VEGF) expression in breast carcinomas. An immunohistochemical stains for CD 31 (DAKO) to estimate MVD and VEGF (Santa Cruz) were done on 40 cases of invasive breast carcinoma. MVD was calculated as an average count of vessels per 200 power field in the most vascularized areas. VEGF expression was interpreted according to staining intensity and number of positive cells. Mean MVD was 35, and MVD was not correlated with lymph node metastasis or histologic grade, but high MVD (mean MVD>35) showed an increasing tendency in cases with larger size, negative ER/PR, and positive cathepsin D. All of the cases showed VEGF expression, but VEGF expression was not correlated with tumor size, histologic grade, lymph node metastasis, ER/PR status, and cathepsin D expression. These results suggest that MVD and VEGF expressions are not reliable prognostic factors.

Expression of Met Protein in Colorectal Carcinoma.: Kyung Un Choi, Jin Sook Lee, Chang Hun Lee, Mee Young Sol, Kang Suk Suh; Korean J Pathol. 2000;34(7):501-508.

1,453 View
11 Download

Abstract PDF: Met protein is a transmembrane 190 kD heterodimer with tyrosine kinase activity, encoded by c-Met oncogene. It serves as a high affinity receptor for hepatocyte growth factor (HGF)/scatter factor (SF), a cytokine which stimulates cell proliferation, motility, and invasion. In this study, we immunohistochemically evaluated the expression of Met/hepatocyte growth factor receptor in colorectal cancers. Met protein was expressed in 31 of 72 patients (43.1%). The staining pattern was cytoplasmic in nature, present throughout the tumor, and showed variable intensity from case to case. The relationship between the expression rate and intensity, and age and sex of patients, tumor size (p=0.645), tumor site (p=0.902) and tumor differentiation (p=0.844) was not statistically significant. The expression rate and intensity were significantly correlated with lymphovascular invasion (p=0.001), lymph node metastasis (p=0.010), depth of invasion (0.019), and stage (p=0.023). Cytoplasmic accumulation of Met protein was not associated with enhanced PCNA index of tumor cells (p=0.052). These results suggest that Met protein may play an important role in the invasion and metastasis of colorectal cancer cells.

Primary Extragastrointestinal Stromal Tumor (EGIST) of the Greater Omentum.: Kyung Un Choi, Jee Yeun Kim, Do Youn Park, Chang Hun Lee, Mee Young Sol, Kang Suek Suh, Jun Woo Lee; Korean J Pathol. 2001;35(4):347-350.

3,323 View
27 Download

Abstract PDF: Gastrointestinal stromal tumors (GISTs) were recently defined as spindle cell, epithelioid, or occasionally, pleomorphic mesenchymal tumors of the gastrointestinal tract that express the CD117 (proto-oncogene c-kit protein, stem cell factor receptor), as detected using immunohistochemistry. And they show a new tendency to include the CD117-positive mesenchymal spindle cell or epithelioid neoplasms primary in the omentum and mesentery, and is so termed extragastrointestinal stromal tumors (EGISTs). Omental EGISTs are very rare and similar to their gastrointestinal counterpart. We present a case of primary EGIST of the greater omentum in a 58-year-old man. The resected tumor mass measured 20X15X5 cm and weighed 1,150 g. The cut surface displayed a central cystic change and partial mural nodules. Microscopically, most parts of the tumor were composed of round or polygonal cells, with many of them containing perinuclear vacuoles. The mitotic count was less than one per 50 high-power-fields. Immunohistochemically, the tumor cells were diffusely positive for CD117 and vimentin, and focally for smooth muscle actin and CD34. Ultrastructurally, partially smooth muscle differentiation was confirmed in this case.

First
Prev
Page of 2
Next
Last

Search