13 results on '"Takeno, S"'
Search Results
2. Reduced expression of p63 has prognostic implications for patients with esophageal squamous cell carcinoma.
- Author
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Takahashi Y, Noguchi T, Takeno S, Kimura Y, Okubo M, and Kawahara K
- Subjects
- Aged, Carcinoma, Squamous Cell mortality, Esophageal Neoplasms mortality, Female, Gene Expression, Humans, Immunohistochemistry, Lymphatic Metastasis pathology, Male, Middle Aged, Prognosis, Survival Analysis, Tumor Suppressor Protein p53 metabolism, Biomarkers, Tumor analysis, Carcinoma, Squamous Cell metabolism, Carcinoma, Squamous Cell pathology, Esophageal Neoplasms metabolism, Esophageal Neoplasms pathology, Membrane Proteins metabolism
- Abstract
The p63 gene is a member of the p53 family that plays a role in cell differentiation, development and carcinogenesis. The relationship between p63 expression and the prognosis of esophageal squamous cell carcinoma (ESCC) remains unknown. The present study examines the clinical impact of p63 in patients with ESCC. Resected specimens from 180 patients with ESCC were immunostained for p63 and p53. After establishing a cut-off value for p63 expression, we statistically examined its clinical impact and relationship to p53 expression. At a 50% cut-off value for p63 expression, the 5-year overall survival was significantly longer in p63-positive (46.4%) than -negative patients (11.1%, p=0.05). Among the 180 ESCC patients, 171 (95.0%) were p63 immunoreactive and only 9 (5.0%) were negative. The correlation between p63 status and clinicopathological parameters was not significant, although p63-negativity tended to correlate with distant metastasis (p=0.06) and clinical stage (p=0.08). Univariate analysis demonstrated significant correlations between patient survival and tumor diameter, depth of invasion, lymphatic invasion, vascular invasion, lymph node metastasis and distant metastasis. The survival of patients who did not express p63 and p53 was obviously unfavorable (p=0.03). Multivariate analysis revealed that only lymph node metastasis was a critical independent prognostic marker for overall survival (p=0.0015). Expression of p63 was not an independent prognostic factor for overall survival in this study (p=0.69). These data suggest that, although a reduced expression of p63 is infrequent, it has a prognostic impact upon patients with ESCC.
- Published
- 2006
3. Impact of nuclear galectin-3 expression on histological differentiation and vascular invasion in patients with esophageal squamous cell carcinoma.
- Author
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Shibata T, Noguchi T, Takeno S, Takahashi Y, Fumoto S, and Kawahara K
- Subjects
- Adult, Aged, Carcinoma, Squamous Cell pathology, Cell Differentiation, Cell Nucleus metabolism, Cytoplasm metabolism, Esophageal Neoplasms pathology, Female, Humans, Immunohistochemistry, Male, Middle Aged, Neovascularization, Pathologic, Carcinoma, Squamous Cell metabolism, Esophageal Neoplasms metabolism, Galectin 3 metabolism
- Abstract
Expression of galectin-3, a member of the beta-galactosidase binding lectin family, is reported to correlate with cell adhesion. The present immunohistochemical study was performed to clarify the impact of galectin-3 expression on patients with esophageal squamous cell carcinoma. Galectin-3 expression was examined immunohistochemically in 154 patients with esophageal squamous carcinoma, who had undergone surgery without preoperative supplemental therapy at the Department of Surgery II in the Hospital of the Faculty of Medicine, Oita University, between 1990 and 2000. The cases with > or =30% nuclear-stained cancer cells were considered high nuclear expression cases. In contrast, the cases with > or =45% cytoplasm-stained cancer cells were considered high cytoplasm expression cases. Twenty-three of 154 ESCC cases were regarded as high nuclear expression (14.9%) and 72 of 154 cases were regarded as high cytoplasm-expression (46.5%). High expression of galectin-3 in the nuclei inversely correlated with vascular invasion (p=0.030) and histological differentiation (p=0.0064). In contrast, cytoplasmic expression of galectin-3 revealed no significant impact on clinicopathological factors. Neither nuclear nor cytoplasmic expression of galectin-3 was a prognostic indicator in ESCC. Elevated expression of galectin-3 in the nuclei but not the cytoplasm may be an important biological parameter related to histological differentiation and vascular invasion in patients with ESCC.
- Published
- 2005
4. Clinical implication of cyclin B1 in non-small cell lung cancer.
- Author
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Arinaga M, Noguchi T, Takeno S, Chujo M, Miura T, Kimura Y, and Uchida Y
- Subjects
- Adenocarcinoma metabolism, Adult, Aged, Aged, 80 and over, Cell Line, Tumor, Cyclin B1, Disease-Free Survival, Female, Humans, Immunohistochemistry, Male, Middle Aged, Multivariate Analysis, Prognosis, Time Factors, Carcinoma, Non-Small-Cell Lung metabolism, Cyclin B biosynthesis, Lung Neoplasms metabolism
- Abstract
Cyclin B1 plays an important role in the mitotic cycle, in which it regulates the G2-M transition, and has been suggested to play a role in development and progression of various cancers. The present study was undertaken in order to clarify the role of the cell cycle regulator cyclin B1 in non-small cell carcinoma (NSCLC). We retrospectively investigated 174 patients with NSCLC who previously underwent complete resection. There were two study groups: the squamous cell carcinoma (SCC) group (n=62); and the non-SCC group (n=112). Expression of cyclin B1 in cancer cells was analyzed immunohistochemically. The rate of cyclin B1 positivity in cancer cells ranged from 0% to 56.5% (average 10.9%). Seventy-four cases (42.5%) were designated as cyclin B1 positive in the present study. Cyclin B1 expression was observed more frequently in SCC cases than in non-SCC cases. In SCC, cyclin B1 expression demonstrated significant correlation with gender (p<0.01) and histological type (p<0.01). In non-SCC, only gender was correlated with cyclin B1 expression. Five-year survival rates for cyclin B1-positive and cyclin B1-negative cases were 45.8 and 57.9%, and 10-year survival rates were 39.3 and 51.4%, respectively. Patients with positive cyclin B1 staining showed a lower survival rate than those with negative staining (p=0.11). The prognostic value in SCC cases was p=0.48. In non-SCC cases, the survival rate of non-SCC patients who were positive for cyclin B1 was significantly lower than that of patients who were negative (p<0.01). Using multivariate analysis, tumor size (p=0.037) and N factor (p=0.026) were found to be independent prognostic parameters. Cyclin B1 expression was not an independent prognostic factor in the present series. These data suggest that elevated levels of cyclin B1 expression may be an indicator of poor prognosis in NSCLC, particularly in non-SCC.
- Published
- 2003
5. Lymph node metastasis could be predicted by evaluation of macrophage infiltration and hsp70 expression in superficial carcinoma of the esophagus.
- Author
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Noguchi T, Wada S, Takeno S, Moriyama H, Kimura Y, and Uchida Y
- Subjects
- Aged, Antigens, CD biosynthesis, Antigens, Differentiation, Myelomonocytic biosynthesis, Carcinoma pathology, Carcinoma therapy, Esophageal Neoplasms pathology, Esophageal Neoplasms therapy, Female, Humans, Immunohistochemistry, Macrophages metabolism, Macrophages pathology, Male, Middle Aged, Carcinoma metabolism, Esophageal Neoplasms metabolism, HSP70 Heat-Shock Proteins biosynthesis, Lymphatic Metastasis
- Abstract
Macrophages have been reported to play an important role in suppressing tumor growth, and heat shock protein 70 (HSP70) in presenting tumor specific antigens. The objective of the present study was to investigate the relationship between lymph node metastasis and these two molecular biological markers in superficial esophageal carcinoma. Subjects were 37 patients with untreated submucosal esophageal carcinoma who underwent curative surgery. Among these patients, expression of CD68-positive macrophages in the tumor stroma and expression of HSP70 in tumor cells were analyzed. The results demonstrated that expression of CD68-positive macrophages was significantly greater among patients without lymph node metastasis (p<0.0001), and a significant correlation existed between HSP70 expression and CD68 expression (p=0.0125). In superficial esophageal carcinoma, lymph node metastasis is correlated with expression of CD68-positive macrophages in tumor stroma and expression of HSP70 in tumor cells. These two markers may therefore prove useful for therapy planning.
- Published
- 2003
6. Chromosomal imbalance in esophageal squamous cell carcinoma: 3q gain correlates with tumor progression but not prognostic significance.
- Author
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Noguchi T, Kimura Y, Takeno S, Chujo M, Uchida Y, Mueller W, and Gabbert HE
- Subjects
- Adult, Aged, Aged, 80 and over, Carcinoma, Squamous Cell pathology, DNA metabolism, Disease Progression, Esophageal Neoplasms pathology, Female, Humans, Male, Middle Aged, Nucleic Acid Hybridization, Prognosis, Carcinoma, Squamous Cell genetics, Chromosome Aberrations, Chromosomes, Human, Pair 3, Esophageal Neoplasms genetics
- Abstract
DNA copy number changes were analyzed by comparative genomic hybridization (CGH) in 53 esophageal squamous cell carcinomas (ESCC) to clarify the relationship between DNA sequence copy number aberrations and clinicopathological factors. Changes in DNA copy number were observed in all 53 ESCC patients. The average number of DNA copy number gains was 9.32 (range 1-23), most frequently located on chromosomes 3q, 5p, 8q, 11q and Xq in over 40% of tumors. Loss of DNA copy number was detected on 3p, 5q, 4p, 1p and Xp in over 20% of tumors. No statistically significant differences in the frequency of DNA copy number changes were observed. However, some loci showed correlation with clinicopathologic factors: 8q gain correlated with the pattern of tumor infiltration, 3q gain correlated with pT, 2p gain, 1p loss and 16p loss correlated with lymphatic invasion, and 3q gain correlated with clinical stage. Thus, in ESCC, gain of 3q is the only specific recurrent pattern of DNA aberration that correlates with clinicopathologic parameters, although no particular loci correlated with patient prognosis. Further CGH analysis may reveal new, recurrent genetic changes in ESCC affecting chromosomes sites that harbor genes known to participate in tumorigenesis and progression of several human malignant neoplasms.
- Published
- 2003
7. Prognostic significance of p27/kip1 and apoptosis in patients with colorectal carcinoma.
- Author
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Noguchi T, Kikuchi R, Ono K, Takeno S, Moriyama H, and Uchida Y
- Subjects
- Adenocarcinoma pathology, Aged, Colorectal Neoplasms pathology, Cyclin-Dependent Kinase Inhibitor p27, Cyclin-Dependent Kinases antagonists & inhibitors, Gene Expression Regulation, Neoplastic, Genes, Tumor Suppressor, Humans, Immunoenzyme Techniques, Lymphatic Metastasis, Neoplasm Invasiveness, Prognosis, Proliferating Cell Nuclear Antigen metabolism, Survival Rate, Adenocarcinoma metabolism, Apoptosis, Cell Cycle Proteins metabolism, Colorectal Neoplasms metabolism, Tumor Suppressor Proteins metabolism
- Abstract
The protein p27/kip1 is a cyclin-dependent kinase inhibitor that regulates cell-cycle progression. In the present study, p27/kip1 expression as well as tumor cell proliferation and apoptosis were investigated in 80 colorectal carcinomas, using anti-p27/kip1 antibodies, in situ apoptosis detection kits and anti-PCNA antibodies. Immunohistochemical staining indicated that p27/kip1 was localized heterogeneously in the nuclei of cancer cells. The frequency of samples positive for p27/kip1 was 53.8% (43/80). There was no significant correlation between p27/kip1 status and clinicopathologic factors. Mean apoptotic index (AI) in p27/kip1-positive patients (3.22+/-1.65) was significantly higher than in p27/kip1-negative patients (2.46+/-1.44; p=0.033). No correlation was observed between p27/kip1 expression and the PCNA labeling index (PCNA-LI) (p=0.47). Overall survival was significantly longer for patients who were p27/kip1-positive (80.7%) compared to those who were negative (49.3%; p=0.0003). Univariate analysis revealed no significant differences between prognosis and AI or PCNA-LI. In multivariate analysis, p27/kip1 expression was found to be an independent prognostic marker (p=0.015). In conclusion, the present study shows that p27/kip1 is a potentially important prognostic and predictive marker for outcome in colorectal carcinoma. These results might be explained by the role of p27/kip1 in promoting apoptosis.
- Published
- 2003
8. Clinical impact of thymidine phosphorylase expression in gastric cancer.
- Author
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Noguchi T, Fujiwara S, Takeno S, Kai S, Mizuta A, Nagao Y, and Uchida Y
- Subjects
- Adult, Aged, Aged, 80 and over, Cell Differentiation, Female, Humans, Immunoenzyme Techniques, Lymph Nodes pathology, Male, Middle Aged, Neoplasm Invasiveness pathology, Neoplasm Staging, Prognosis, Stomach Neoplasms pathology, Stomach Neoplasms surgery, Survival Rate, Stomach Neoplasms enzymology, Thymidine Phosphorylase metabolism
- Abstract
Thymidine phosphorylase (dThdPase) is an enzyme that is involved in pyrimidine nucleoside metabolism and DNA synthesis and converts 5'-deoxy-5-fluorouridine (5'-DFUR) to 5-fluorouracil (5-FU). The aim of this study was to elucidate the relationship between dThdPase expression and biological malignancy, prognosis, and sensitivity to postoperative chemotherapy, using immunohistochemical staining. We studied 148 patients with gastric cancer who underwent surgery at Department of Surgery II in Oita Medical University between 1990 and 1999. Immunohistochemical expression of dThdPase was correlated to clinicopathological factors and postoperative survival. Tumor tissue was dThdPase-positive in 112 patients. The results suggested a relationship between the degree of histological differentiation and dThdPase expression (p=0.0697). Examination of dThdPase expression based on the site of the tumor revealed that the groups with upper or lower gastric cancer included a significantly greater number of dThdPase-positive patients (p=0.0011). Analysis of the patients as a whole showed no significant difference between the survival. In the chemotherapy group, the dThdPase-positive patients tended to have a more favorable prognosis than the dThdPase-negative patients (p=0.0578). The results suggest that postoperative adjuvant chemotherapy that makes use of FU metabolic pathways may improve prognosis in patients with dThdPase-positive gastric cancer.
- Published
- 2003
9. Detection of disseminated cancer cells in rib marrow of patients with esophageal cancer.
- Author
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Noguchi T, Shibata T, Fumoto S, Sato T, Uchida Y, Daa T, Yokoyama S, Gabbert HE, Mueller W, and Takeno S
- Subjects
- Aged, Antigens, Neoplasm analysis, Bone Marrow Neoplasms chemistry, Bone Marrow Neoplasms pathology, Carcinoembryonic Antigen analysis, Carcinoma, Squamous Cell chemistry, Carcinoma, Squamous Cell genetics, DNA Primers chemistry, Esophageal Neoplasms chemistry, Esophageal Neoplasms genetics, Female, Humans, Keratins analysis, Male, Middle Aged, RNA, Messenger analysis, RNA, Neoplasm analysis, Reverse Transcriptase Polymerase Chain Reaction, Ribs metabolism, Ribs pathology, Biomarkers, Tumor analysis, Bone Marrow Neoplasms secondary, Carcinoma, Squamous Cell secondary, Esophageal Neoplasms pathology, Neoplastic Cells, Circulating chemistry, Serpins
- Abstract
In the present study, micrometastasis in the rib marrow of 24 patients with esophageal cancer was examined using RT-PCR. RT-PCR was done using primers corresponding to cytokeratin 18 (CK18), squamous cell carcinoma antigen (SCC), and carcinoembryonic antigen (CEA). In 18 cases, CK18 was also detected in the rib marrow. Only one patient exhibited CEA amplification in the rib marrow. No cases demonstrated SCC amplification as a marker of micrometastasis in the rib marrow. The information from micrometastasis detected in the rib marrow using RT-PCR is useful in deciding whether or not adjuvant therapy is necessary after surgery. However, combined analysis using plural markers should be required since sensitivity or specificity of each marker may vary. Further follow-up of the patients is necessary to clarify the clinical impact of micrometastasis in rib marrow.
- Published
- 2003
10. Prognostic significance of CD8+ T cell and macrophage peritumoral infiltration in colorectal cancer.
- Author
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Funada Y, Noguchi T, Kikuchi R, Takeno S, Uchida Y, and Gabbert HE
- Subjects
- Adenocarcinoma metabolism, Aged, CD8 Antigens metabolism, Colorectal Neoplasms metabolism, Female, Humans, Lymphatic Metastasis, Male, Neoplasm Invasiveness, Neoplasm Staging, Prognosis, Survival Rate, Adenocarcinoma pathology, CD8-Positive T-Lymphocytes pathology, Colorectal Neoplasms pathology, Lymph Nodes pathology, Lymphocytes, Tumor-Infiltrating pathology, Macrophages pathology
- Abstract
The purpose of this study was to evaluate the prognostic significance of CD8+ T cell and macrophage peritumoral infiltration in patients with colorectal cancer. A total of 97 adenocarcinomas of the colon and rectum were examined. Immunohistochemical staining was performed by the standard avidin-biotin-peroxidase complex method using antibodies to CD8 and CD68. Peritumoral infiltration by CD8+ T cells or macrophages was evaluated along the invasive margin of the cancer in each specimen. The area with the most abundant infiltration was selected, and the number of immunoreactive positive cells counted at x400 magnification. Patients were divided into two groups based on the degree of infiltration by each cell type: namely those with a high level of infiltration (more than the mean number of positive cells) and those with a low level of infiltration (less than the mean number of positive cells). Patients with a low level of macrophage infiltration had a significantly deeper depth of invasion than patients with a high level of macrophage infiltration (P=0.027). The percentage of patients with a high level of macrophage infiltration was significantly higher in vascular invasion-negative cases (46.7%) than in vascular invasion-positive cases (22.7%; P=0.045), and in lymph node metastasis-negative cases (52.9%) than in lymph node metastasis-positive cases (28.3%; P=0.014). Overall survival was significantly shorter for patients with a low level of CD8+ T cell infiltration than those with a high level of CD8+ T cell infiltration (P=0.01). The survival rate for patients with a high level of both CD8+ T cell and macrophage infiltration was 100%. In conclusion, both CD8+ T cell and macrophage peritumoral infiltration indicates anti-tumoral action in patients with colorectal cancer.
- Published
- 2003
11. Biological analysis of gastrointestinal stromal tumors.
- Author
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Noguchi T, Sato T, Takeno S, Uchida Y, Kashima K, Yokoyama S, and Müller W
- Subjects
- Adult, Aged, Aged, 80 and over, Antigens, CD34 analysis, Apoptosis, Chromosomes, Human, Pair 14 genetics, Chromosomes, Human, Pair 18 genetics, DNA Primers chemistry, Female, Gastrointestinal Neoplasms pathology, Humans, Immunoenzyme Techniques, Ki-67 Antigen analysis, Male, Middle Aged, Polymerase Chain Reaction, Preoperative Care, Prognosis, Proto-Oncogene Proteins analysis, Proto-Oncogene Proteins c-bcl-2 analysis, Proto-Oncogene Proteins c-kit analysis, S100 Proteins analysis, Stromal Cells pathology, Translocation, Genetic, Tumor Suppressor Protein p53 analysis, Vimentin analysis, bcl-2-Associated X Protein, Biomarkers, Tumor analysis, Gastrointestinal Neoplasms chemistry, Stromal Cells chemistry
- Abstract
The biological behaviour of a gastrointestinal stromal tumor (GIST) cannot be easily predicted from preoperative clinical examination alone. As a result, there is little standardization in the surgical treatment of GIST. In this study, we analyzed the clinicopathology and immunohistochemistry of 20 cases of GIST to clarify factors associated with tumors showing malignant potential. Immunohistochemical analysis of KIT, CD34, vimentin, alpha-smooth muscle actin (SMA), s-100, p53, ki-67, bcl-2 and bax expression was performed on 20 surgically resected GIST. An apoptotic index (AI) was calculated for each sample using a TdT-mediated dUTP-biotin nick end-labeling method. With regard to bcl-2, t(14;18) translocations were also investigated using a polymerase chain reaction based method. Finally, the relationship between these biological results and clinicopathological data was analyzed. Of the 20 cases studied, two patients died due to lung or liver metastasis. All cases stained positive for vimentin, nine cases were positive for alpha-SMA and three cases positive for s-100. All cases were stained for both KIT and CD34, which tended to correlate with malignant potential. There was significant difference in frequency of bcl-2 overexpression (p<0.05) and trend in Ki-67 labeling index (p=0.098) between benign and malignant cases. However, with regard to bcl-2, no chromosomal t(14;18) translocations were detected in four analyzed cases. In GIST, overexpression of bcl-2 may play an important role in increasing malignant potential. Furthermore, Ki-67 L.I. and bcl-2 overexpression may be useful in predicting malignant potential, and therefore help to determine the surgical treatment, follow-up manner, and the necessity of adjuvant therapy.
- Published
- 2002
12. VEGF-C expression correlates with histological differentiation and metastasis in squamous cell carcinoma of the esophagus.
- Author
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Noguchi T, Takeno S, Shibata T, Uchida Y, Yokoyama S, and Müller W
- Subjects
- Adult, Aged, Aged, 80 and over, Cell Differentiation, Disease Progression, Female, Humans, Immunohistochemistry, Lymphatic Metastasis, Male, Middle Aged, Neoplasm Metastasis, Vascular Endothelial Growth Factor C, Carcinoma, Squamous Cell metabolism, Carcinoma, Squamous Cell pathology, Endothelial Growth Factors biosynthesis, Esophageal Neoplasms metabolism, Esophageal Neoplasms pathology
- Abstract
Vascular endothelial growth factor C (VEGF-C) is known to act in lymphangiogenesis. Recent reports suggest VEGF-C plays a role in the spread of several cancers to the lymph system. Lymphatic spread is a critical prognostic factor in esophageal cancer, however, the molecular mechanism involved in the spread of cancerous cells remains unclear. In the present study the clinicopathological implication of VEGF-C was analyzed using immunohistochemistry. Seventy-one patients with esophageal squamous cell carcinoma (ESCC) resected in our institute were included in this study. Formalin-fixed paraffin-embedded specimens were stained for VEGF-C and the correlation between the staining, its clinicopathological parameters and its prognostic power were analyzed statistically. Only histological grade (differentiation) was shown to have a statistically significant correlation with VEGF-C expression (p=0.028). Age (p=0.064), lymph node metastasis (pN) (p=0.085) and vascular invasion (p=0.092) tended to correlate with VEGF-C expression although on analysis this correlation was not statistically significant. The results suggested there is no prognostic implication for VEGF-C in ESCC (p=0.80). There is no significant correlation between VEGF-C expression and clinicopathological parameters involved in lymphatic spread. However, VEGF-C expression might play an important role in metastasis of ESCC since histological grade was closely related to lymph node metastasis and distant metastasis.
- Published
- 2002
13. Immunohistochemical study of leukocyte infiltration and expression of hsp70 in esophageal squamous cell carcinoma.
- Author
-
Takeno S, Noguchi T, Kikuchi R, Wada S, Sato T, and Uchida Y
- Subjects
- Aged, Aged, 80 and over, Blotting, Western, CD4-Positive T-Lymphocytes pathology, CD8-Positive T-Lymphocytes pathology, Carcinoma, Squamous Cell pathology, Carcinoma, Squamous Cell surgery, Disease Progression, Esophageal Neoplasms pathology, Esophageal Neoplasms surgery, Female, Humans, Immunoenzyme Techniques, Lymphatic Metastasis, Lymphocytes, Tumor-Infiltrating pathology, Macrophages pathology, Male, Middle Aged, Carcinoma, Squamous Cell metabolism, Esophageal Neoplasms metabolism, HSP70 Heat-Shock Proteins metabolism, Lymphocyte Subsets pathology, Lymphocytes, Tumor-Infiltrating metabolism
- Abstract
It is reported that macrophages and CD4+ or CD8+ cytotoxic T cells have an important role in the suppression of cancer progression. The aim of this study was to clarify these immune responses in patients with esophageal cancer. We enrolled 28 patients with pT2 esophageal cancer that had been resected without preoperative adjuvant therapy. The correlations between the numbers of infiltrating CD4+, CD8+ and CD68+ cells, the expression of heat shock protein 70 (hsp70) and a variety of clinicopathologic factors were analyzed. The numbers of CD8+ T cells and CD68+ macrophages showed a significant positive correlation with tumor diameter (p = 0.01, p = 0.037) and the expression of hsp70 (p = 0.01, p = 0.02) and a negative correlation with lymph node metastasis (p = 0.0079, p < 0.0001). The expression of hsp70 exhibited a negative correlation with lymph node metastasis (p = 0.023). CD8+ T cells and CD68+ macrophages might have a suppressive function against esophageal cancer progression. Our results suggested that hsp70 might play an important role in the presentation of tumor specific antigens.
- Published
- 2001
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