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Harada H, Suefuji H, Mori K, Ishikawa H, Nakamura M, Tokumaru S, Murakami M, Ogino T, Iwata H, Tatebe H, Kubo N, Waki T, Yoshida D, Nakamura M, Aoyama H, Araya M, Nakajima M, Nakayama H, Satouchi M, Shioyama Y. Proton and Carbon Ion Radiotherapy for Operable Early-Stage Lung Cancer: 3-Year Results of a Prospective Nationwide Registry. Int J Radiat Oncol Biol Phys 2023; 117:e23. [PMID: 37784924 DOI: 10.1016/j.ijrobp.2023.06.698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) The purpose of this analysis was to report subset analysis as to progression-free survival (PFS) and overall survival (OS) of particle-beam radiation therapy for operable early-stage lung cancer. MATERIALS/METHODS Patients of early-stage lung cancer (T1-T2aN0) who were eligible for radical surgery but did not wish to undergo surgery were treated by proton-ion (PT) or carbon-ion (CT) radiation therapy and enrolled in Japanese prospective registry. In this analysis, PFS and OS by clinical stage, tumor location, pathological confirmation and particle-ion type were evaluated. RESULTS A total of 274 patients were enrolled and included in efficacy and safety analyses. Most tumors were adenocarcinoma (44%), and 105 (38%) were not histologically confirmed and diagnosed clinically. 250 (91%) of 274 patients had tumors that were peripherally situated. 138 (50%) and 136 (50%) patients were treated by PT and CT, respectively. The median follow-up time for all censored patients was 42.8 months (IQR 36.7 - 49.0). No grade 3 or severe treatment-related toxicity was observed. 3-year PFS was 81% (95% CI;76-86) and OS was 93% (95% CI;89-96), respectively. As to particle-ion type, 3-year PFS were 79.0% and 81.9% in PT and CT (p = 0.19), and 3-year OS were 93.9% and 91.1% in PT and CT (P = 0.72), respectively. For PFS, pathological confirmation, clinical stage was significant factors but there were no significant differences by tumor location or particle-ion type; for OS, clinical stage was significant factor but there was no significant difference on pathological confirmation, tumor location or particle-ion type (Table1). Table 1. 3-year PFS and OS CONCLUSION: Particle therapy for operable early-stage lung cancer resulted in excellent 3-year OS and PFS on each subset.
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Affiliation(s)
- H Harada
- Radiation and Proton Therapy Center, Shizuoka Cancer Center, Shizuoka, Japan
| | - H Suefuji
- Ion Beam Therapy Center, SAGA HIMAT Foundation, Tosu, Japan
| | - K Mori
- Shizuoka Cancer Center, Nagaizumi, Japan
| | - H Ishikawa
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - M Nakamura
- Department of Radiation Oncology, National Cancer Center Hospital East, Chiba, Japan
| | - S Tokumaru
- Department of Radiology, Hyogo Ion Beam Medical Center, Tatsuno, Hyogo, Japan
| | - M Murakami
- Department of Radiation Oncology, Southern TOHOKU Proton Therapy Center, Koriyama, Japan
| | - T Ogino
- Medipolis Proton Therapy and Research Center, Ibusuki, Japan
| | - H Iwata
- Department of Radiation Oncology, Nagoya Proton Therapy Center, Nagoya City University West Medical Center, Nagoya, Japan
| | - H Tatebe
- Fukui Prefectural Hospital Proton Therapy Center, Fukui, Japan
| | - N Kubo
- Department of Radiation Oncology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - T Waki
- Tsuyama Chuo Hospital, Tsuyama, Japan
| | - D Yoshida
- Kanagawa Cancer Center, Yokohama, Japan
| | - M Nakamura
- University of Tsukuba, Tsukuba City 305-8575, Japan
| | - H Aoyama
- Department of Radiation oncology, Faculty and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - M Araya
- Proton Therapy Center, Aizawa Hospital, Matsumoto, Japan
| | - M Nakajima
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - H Nakayama
- Kanagawa Prefectural Hospital Organization, Yokohama, Japan
| | | | - Y Shioyama
- Ion Beam Therapy Center, SAGA HIMAT Foundation, Tosu, Japan
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Yamaguchi H, Fukumitsu N, Numajiri H, Ogino H, Okimoto T, Ogino T, Nishimura T. The Japanese Nationwide Cohort Data of Proton Beam Therapy for Liver Oligometastasis in Breast Cancer Patients. Int J Radiat Oncol Biol Phys 2023; 117:e352. [PMID: 37785219 DOI: 10.1016/j.ijrobp.2023.06.2428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) A nationwide multicenter cohort study on particle therapy was launched by the Japanese Society for Radiation Oncology (JASTRO) in Japan. We analyzed the outcome of proton beam therapy (PBT) for liver oligometastasis in breast cancers. MATERIALS/METHODS Cases in which PBT was performed at all Japanese proton therapy facilities between May 2016 and February 2019 were enrolled. The patients were selected based on the following criteria: the primary cancer was controlled, liver recurrence without extrahepatic tumors, and no more than three liver lesions. The treatment indication and strategy were discussed at cancer boards in each institution. The dose and fraction of PBT were determined by referring to the unified treatment policy established by JASTRO. We used the following protocol: 64 gray (Gy) (relative biological effectiveness [RBE])/8 fraction (fr) for the hepatic periphery area away from the GI tract, and 72.6 GyE/22 fr for the adjacent hilar region type. Regarding safety, the HCC irradiation protocols of 66 GyE/10 fr, 72.6-76 GyE/20-22 fr, and 74-76 GyE/37-38 fr could be used. The local control (LC), overall survival (OS), and progression free survival (PFS) rates were calculated using the Kaplan-Meier method. Factors possibly related to OS, such as tumor size, number of liver tumors, intervention of chemotherapy, and/or hormone therapy, were investigated. The cut-off values were estimated using the receiver operating characteristic curve and area under the curve. Univariate analysis was performed using the log-rank test. RESULTS Fourteen females, with a median age of 57 (range, 44-73) years and twenty-two lesions were included. Nine patients had one lesion, two patients had two lesions, and three patients had three lesions. PBT was selected because nine patients had underlying disease and five patients had general conditions (age, etc.). The median lesion size, fraction size, and biological effective dose using the linear-quadratic model with α/β = 10 Gy ((BED)10) were 44 (20-130) mm, 6.6 (2-8) (relative biological effectiveness [RBE])/fraction (fr), and 109.6 (52.7-115.2) Gy, respectively. The median follow-up period of breast cancers was 22.8 (4-54) months. The 1-, 2-, and 3-year LC rates of liver metastasis from breast cancers were 100% for all. The 1-, 2-, and 3-year OS rates were 85.7%, 62.5%, and 62.5%, respectively. The 1-, 2-, and 3-year PFS rates were 50.0%, 33.3%, and 16.7%, respectively, and median PFS time was 16 months. Tumor size, the number of liver tumors, and the intervention of chemotherapy and/or hormone therapy at any time were not significantly related to the OS. Only one patient did not complete PBT due to current disease progression. The other patients completed PBT without interruption. One patient had grade 3 radiation-induced dermatitis. CONCLUSION Based on the low incidence of adverse events and the high LC rate, PBT appears to be a feasible option for liver oligometastasis in breast cancer patients.
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Affiliation(s)
- H Yamaguchi
- Department of Minimally Invasive Surgical and Medical Oncology, Fukushima Medical University, Fukushima, Japan
| | | | - H Numajiri
- Department of Radiation Oncology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - H Ogino
- Department of Radiation Oncology, Nagoya Proton Therapy Center, Nagoya City University West Medical Center, Nagoya, Japan
| | - T Okimoto
- Department of Radiology, Hyogo Ion Beam Medical Center, Tatsuno, Hyogo, Japan
| | - T Ogino
- Medipolis Proton Therapy and Research Center, Ibusuki, Japan
| | - T Nishimura
- Radiation and Proton Therapy Center, Shizuoka Cancer Center, Shizuoka, Japan
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Tokumaru S, Ohnishi K, Harada H, Wada H, Nakamura N, Arimura T, Iwata H, Sato Y, Tamamura H, Ogino H, Ogino T, Akimoto T, Okimoto T, Kikuchi Y, Murayama S, Sakurai H. Clinical Outcomes of Proton Beam Therapy for Stage I Lung Cancer in Patients with Interstitial Pneumonia: A Multi-Institutional Retrospective Study in Japan. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Arimura T, Hoo C, Kitano I, Ogino T. Comparison of Acute Radiation Dermatitis Secondary to Proton Beam Therapy Between Corticosteroids Transdermal Delivery Plus Film Dressing and Film Dressing Alone. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Miyoshi N, Fujino S, Saso K, Sasaki M, Ogino T, Takahashi H, Uemura M, Chu M, Mizushima T, Mori M, Doki Y. Patient-derived tumour model by new culture method leading to the precision medicine. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz421.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Arimura T, Kondo N, Matsuyama M, Kitano I, Mukoyoshi T, Nagata I, Ogino T. Proton Beam Therapy for Inoperable Stage III Pancreatic Cancer. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.07.408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Ohnishi K, Harada H, Nakamura N, Tokumaru S, Wada H, Arimura T, Iwata H, Sato Y, Sekino Y, Tamamura H, Mizoe J, Ogino T, Ishikawa H, Kikuchi Y, Okimoto T, Murayama S, Akimoto T, Sakurai H. P2.05-005 Proton Beam Therapy for Early Stage Lung Cancer: A Multi-Institutional Retrospective Study in Japan. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.11.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Arimura T, Ogino T, Kondo N, Wada K, Matsuyama M, Hishikawa Y. Initial Experience With the Use of the HyBIS in a Phase 1 Clinical Trial for Early Breast Cancer Using Proton Beams. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.2131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Arimura T, Ogino T, Matsuyama M, Ogo E, Ueyama T, Hishikawa Y. A New Breast-Immobilization System for Early Breast Cancer. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.2139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Ogino T, Mase K, Nozoe M, Wada T, Uchiyama Y, Fukuda Y, Domen K. Effects of Arm Bracing on Expiratory Flow Limitation and Lung Volume in Elderly COPD Subjects. Respir Care 2015; 60:1282-7. [DOI: 10.4187/respcare.03945] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Ogino T, Mase K, Nozoe M, Wada T, Uchiyama Y, Fukuda Y, Domen K. Effects of arm bracing on expiratory flow limitation and lung volume in elderly COPD patients. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Orui H, Takahara M, Ishikawa A, Takagi M, Tsuchiya T, Ogino T. Radiological features of long bones in synovitis, acne, pustulosis, hyperostosis, osteitis syndrome and their correlation with pathological findings. Mod Rheumatol 2014; 12:56-63. [PMID: 24383833 DOI: 10.3109/s101650200009] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract The purpose of this study was to demonstrate the radiological features of long bones in synovitis, acne, pustulosis, hyperostosis, osteitis (SAPHO) syndrome and to correlate these with the clinical findings. Eleven long bone lesions in seven cases of SAPHO syndrome were examined. The patients ranged in age from 6 to 63 years, with a mean of 47 years. In all seven cases, radiography, (99m)technetium bone scintigraphy, CT scan, and magnetic resonance imaging (MRI) were performed. In six of the cases, bone biopsy and bone culture were carried out for 7 long bones. Seven of the involved lesions were from the shaft of the femur, one each was from the neck and the shaft of the humerus, and one was from the proximal tibia. These lesions showed radiologically hyperostosis, osteolysis, and bone infarction-like lesion. Osteolysis was occasionally accompanied by sclerotic change. Hyperostosis usually showed diaphyseal involvement, presenting low signal intensity on T1- and T2-weighted MR images. Histologically, these findings corresponded to massive bone necrosis, new bone formation, fibrosis, or a mixture of these associated with mild inflammatory cell infiltration. Osteolysis involved dyaphysis, metaphysis, or epiphysis associated with arthritis, and presented low signal intensity on T1-weighted images, nonhomogeneous signal intensity lower than fat on T2-weighted images, and high signal intensity on fat suppression images. These findings corresponded to fibrosis, granulation, and inflammatory cell infiltration with lymphocyte aggregation. Bone infarction-like lesion was observed in the shaft or neck of the femur and the humerus and accompanied by calcification and cystic change. Bone cultures were negative in all cases in which bone biopsy was performed. Although hyperostosis is thought to be a characteristic bone lesion in SAPHO syndrome, the long bone lesion can occasionally show not only hyperostosis but also osteolytsis and bone infarction-like lesions.
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Affiliation(s)
- H Orui
- Department of Orthopaedic Surgery, Yamagata University School of Medicine , 2-2-2 Iida-nishi, Yamagata 990-9585 , Japan
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Ogino T, Kobuchi H, Fujita H, Matsukawa A, Utsumi K. Erythroid and megakaryocytic differentiation of K562 erythroleukemic cells by monochloramine. Free Radic Res 2014; 48:292-302. [PMID: 24237253 DOI: 10.3109/10715762.2013.865840] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The induction of leukemic cell differentiation is a hopeful therapeutic modality. We studied the effects of monochloramine (NH2Cl) on erythroleukemic K562 cell differentiation, and compared the effects observed with those of U0126 and staurosporine, which are known inducers of erythroid and megakaryocytic differentiation, respectively. CD235 (glycophorin) expression, a marker of erythroid differentiation, was significantly increased by NH2Cl and U0126, along with an increase in cd235 mRNA levels. Other erythroid markers such as γ-globin and CD71 (transferrin receptor) were also increased by NH2Cl and U0126. In contrast, CD61 (integrin β3) and CD42b (GP1bα) expression, markers of megakaryocytic differentiation, was increased by staurosporine, but did not change significantly by NH2Cl and U0126. NH2Cl retarded cell proliferation without a marked loss of viability. When ERK phosphorylation (T202/Y204) and CD235 expression were compared using various chemicals, a strong negative correlation was observed (r = -0.76). Paradoxically, NH2Cl and staurosporine, but not U0126, induced large cells with multiple or lobulated nuclei, which was characteristic to megakaryocytes. NH2Cl increased the mRNA levels of gata1 and scl, decreased that of gata2, and did not change those of pu.1 and klf1. The changes observed in mRNA expression were different from those of U0126 or staurosporine. These results suggest that NH2Cl induces the bidirectional differentiation of K562. Oxidative stress may be effective in inducing leukemic cell differentiation.
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Affiliation(s)
- T Ogino
- Department of Nursing Science, Faculty of Health and Welfare, Okayama Prefectural University , Soja , Japan
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Yamazaki K, Shinke K, Ogino T. Selective adsorption of bilirubin against albumin to oxidized single-wall carbon nanohorns. Colloids Surf B Biointerfaces 2013; 112:103-7. [PMID: 23973910 DOI: 10.1016/j.colsurfb.2013.07.064] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2013] [Revised: 07/10/2013] [Accepted: 07/31/2013] [Indexed: 11/18/2022]
Abstract
Bilirubin adsorption capacities of single-wall carbon nanohorns (SWNHs) are investigated to develop an efficient adsorbent in plasma apheresis. Pristine, thermally oxidized and H2O2-oxidized SWNHs are examined and it is demonstrated that higher oxidization levels of the SWNHs enhance bilirubin adsorption capacity owing to increase in their dispersibility and formation of nanoscaled holes on the SWNH walls. Under co-existance of albumin molecules, the bilirubin adsorption capacity of the SWNHs increases with the oxidation level whereas the albumin adsorption capacity is kept small. Bilirubin is selectively adsorbed to the SWNHs, especially to the SWNHs with high oxidation levels, against albumin. This selectivity is maintained under high-concentrations of albumin in the near-clinical environment.
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Affiliation(s)
- K Yamazaki
- Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
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Nozoe M, Mase K, Murakami S, Okada M, Ogino T, Matsushita K, Takashima S, Yamamoto N, Fukuda Y, Domen K. Relationship Between Spontaneous Expiratory Flow-Volume Curve Pattern and Air-Flow Obstruction in Elderly COPD Patients. Respir Care 2013; 58:1643-8. [DOI: 10.4187/respcare.02296] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Zenda S, Hojo H, Kawashima M, Kohno R, Arahira S, Nishio T, Tahara M, Hayashi R, Kishimoto S, Ogino T. Proton Beam Therapy for Patients with Malignancies of the Nasal Cavity, Para-nasal Sinuses, and/or Involving the Skull Base: The Analysis of Late Toxicity. Int J Radiat Oncol Biol Phys 2011. [DOI: 10.1016/j.ijrobp.2011.06.158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Tahara M, Araki K, Okano S, Kiyota N, Fuse N, Minashi K, Yoshino T, Doi T, Zenda S, Kawashima M, Ogino T, Hayashi R, Minami H, Ohtsu A. Phase I trial of combination chemotherapy with docetaxel, cisplatin and S-1 (TPS) in patients with locally advanced or recurrent/metastatic head and neck cancer. Ann Oncol 2011; 22:175-180. [PMID: 20530200 DOI: 10.1093/annonc/mdq298] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- M Tahara
- Division of Digestive Endoscopy and Gastrointestinal Oncology.
| | - K Araki
- Division of Hematology and Medical Oncology
| | - S Okano
- Division of Digestive Endoscopy and Gastrointestinal Oncology
| | - N Kiyota
- Division of Digestive Endoscopy and Gastrointestinal Oncology
| | - N Fuse
- Division of Digestive Endoscopy and Gastrointestinal Oncology
| | - K Minashi
- Division of Digestive Endoscopy and Gastrointestinal Oncology
| | - T Yoshino
- Division of Digestive Endoscopy and Gastrointestinal Oncology
| | - T Doi
- Division of Digestive Endoscopy and Gastrointestinal Oncology
| | - S Zenda
- Division of Radiation Oncology
| | | | - T Ogino
- Division of Radiation Oncology
| | - R Hayashi
- Division of Head and Neck Surgery, National Cancer Center Hospital East, Kashiwa, Chiba, Japan
| | - H Minami
- Division of Hematology and Medical Oncology
| | - A Ohtsu
- Division of Digestive Endoscopy and Gastrointestinal Oncology
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Ando Y, Kamada T, Fuwa N, Sakurai H, Ogino T, Murayama S, Yamamoto K, Hishikawa Y, Murakami M, Nakano T. How Did the Particle Therapy Grow in the Japanese Radiation Therapy Field? Current Status of Proton and Carbon Ion Radiotherapy from 2002 to 2009 in Japan. Int J Radiat Oncol Biol Phys 2010. [DOI: 10.1016/j.ijrobp.2010.07.1864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Ogino T, Obayashi S, Ogawa S, Hara Y, Kobayashi S. P8-10 Effects of transcranial direct current stimulation on movement associated cortical activation. Clin Neurophysiol 2010. [DOI: 10.1016/s1388-2457(10)60613-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Nakano H, Takei H, Hashimoto J, Sugita M, Narita A, Ogino T. P31-6 Alarm criteria for compound muscle action potential evoked by transcranial electrical stimulation in bilateral lower limbs recording. Clin Neurophysiol 2010. [DOI: 10.1016/s1388-2457(10)61173-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Matsuura T, Egashira Y, Nishio T, Kohno R, Kameoka S, Ohta R, Matsumura K, Suzuki H, Taniyama T, Toda T, Shimoju T, Sakamoto A, Yamazaki K, Kawashima M, Ogino T, Matsumoto Y, Wada M, Furusawa Y. WE-A-BRA-05: Proton Ultra High Dose-Rate Effect on HSG Cell Survival Curve. Med Phys 2010. [DOI: 10.1118/1.3469326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Matsubara K, Kohno R, Honmatsu K, Kitou S, Kawashima M, Ogino T, Saitoh H. SU-GG-T-324: Experimental Evaluation of Dose Calculation Using Mega-Voltage Cone Beam CT with MOSFET Detector in an Anthropomorphic Phantom. Med Phys 2010. [DOI: 10.1118/1.3468720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Matsuura T, Hotta K, Kohno R, Nishio T, Kameoka S, Fukuhara S, Sasaki K, Ohta R, Matsumura K, Shimoju T, Toda T, Ogino T. SU-GG-T-455: Experimental Evaluation of Irradiated Dose in Clinical Practice for Proton Therapy. Med Phys 2010. [DOI: 10.1118/1.3468853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Kohno R, Hotta K, Matsubara K, Matsuura T, Kameoka S, Nisiho T, Kawashima M, Ogino T. SU-GG-T-452: In-Vivo Dosimetry Using a MOSFET Detector in an Anthropomorphic Phantom for Therapeutic Proton Beam. Med Phys 2010. [DOI: 10.1118/1.3468850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Zenda S, Kohno R, Nishio T, Kawashima M, Arahira S, Tahara M, Hayashi R, Ogino T. Proton beam therapy for unresectable malignancies of the nasal cavity and paranasal sinuses. J Clin Oncol 2010. [DOI: 10.1200/jco.2010.28.15_suppl.e16003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Ogino T, Onishi H, Suzuki H, Yamasaki A, Katano M. Evaluation of the hedgehog signaling pathway as a therapeutic target for dendritic cell-based immunotherapy against patients with cancer. J Clin Oncol 2010. [DOI: 10.1200/jco.2010.28.15_suppl.e13061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Kawashima M, Hayashi R, Tahara M, Ogino T. Chemotherapy-enhanced accelerated radiotherapy for intermediate-volume hypopharyngeal cancer. J Clin Oncol 2010. [DOI: 10.1200/jco.2010.28.15_suppl.5576] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Shinke K, Ando K, Koyama T, Takai T, Nakaji S, Ogino T. Properties of various carbon nanomaterial surfaces in bilirubin adsorption. Colloids Surf B Biointerfaces 2010; 77:18-21. [DOI: 10.1016/j.colsurfb.2009.12.024] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2009] [Revised: 12/23/2009] [Accepted: 12/24/2009] [Indexed: 02/05/2023]
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Okano S, Tahara M, Zenda S, Kawashima M, Ogino T, Fuse N, Yoshino T, Doi T, Ohtsu A. 8539 Induction chemotherapy with docetaxel, cisplatin and S-1 (TPS) followed by proton therapy concurrent with cisplatin in the patients with T4 nasal cavity cancer. EJC Suppl 2009. [DOI: 10.1016/s1359-6349(09)71630-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Umeda Y, Iwagaki H, Ozaki M, Ogino T, Iwamoto T, Yoshida R, Shinoura S, Matsuda H, Sadamori H, Tanaka N, Yagi T. Refractory response to growth factors impairs liver regeneration after hepatectomy in patients with viral hepatitis. Hepatogastroenterology 2009; 56:971-977. [PMID: 19760923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
BACKGROUND/AIMS Liver regeneration after surgical resection is important. The present study was designed to understand the effect of background liver damage on the rate of liver tissue regeneration after hepatectomy and the mechanism of any defective regeneration. METHODOLOGY The subjects were 40 patients who underwent liver resection. They comprised 22 patients with chronic viral hepatitis-hepatocellular carcinoma (liver damage group) and 18 patients with hepatic metastases from colorectal cancer (normal liver group). Liver regeneration was evaluated by histopathological and immunohistochemical examination of the surgically resected tissue and by CT-scanning of the regenerated liver mass. The resected liver specimens were stained for c-met, gp-130 and nuclear factor-kappaB (NF-kappaB) proteins. RESULTS Liver regeneration was significantly less in the liver-damage group than in the normal-liver group. Histopathological examination showed marked inflammatory cell infiltration in the liver-damage group. Expression of c-met, but not gp-130, was significantly higher on parenchymal cells of the liver-damage group than the normal-liver group. NF-kappaB expression in parenchymal liver cells was significantly higher than in non-parenchymal cells of the normal-liver group. In the liver-damage group, liver regeneration correlated negatively with the staining intensity of NF-kappaB protein in non-parenchymal cells. These findings suggest that non-parenchymal cells are constitutively activated in the damaged liver, probably explaining the refractoriness of hepatocytes to cytokine-induced proliferation after hepatectomy, in spite of increased receptor (c-met) expression. CONCLUSIONS The refractory response of injured hepatocytes to cytokines may explain the impaired postoperative liver regeneration in patients with damaged liver.
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Affiliation(s)
- Y Umeda
- Department of Gastroenterological Transplant Surgery, Okayama University Graduate School of Medicine and Dentistry, Okayama, Japan
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Hotta K, Kohno R, Takada Y, Himukai T, Hara Y, Akasaka H, Kimura T, Tansho R, Nihei T, Nishio T, Ogino T. SU-FF-T-441: Application of the Simplified Monte Carlo Algorithm to a Clinical Case for Proton Treatment Planning. Med Phys 2009. [DOI: 10.1118/1.3181923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Zenda S, Kawashima M, Kohno R, Arahira S, Nishio T, Ogino T. A pilot study of proton beam theary for mucosal melanoma of the head and neck. J Clin Oncol 2009. [DOI: 10.1200/jco.2009.27.15_suppl.e17042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
e17042 Background: The aim of this study is to clarify the clinical profile of proton beam therapy for mucosal melanoma of the head and neck. Methods: Patients with mucosal melanoma of the head and neck fulfilling the following criteria were enrolled: histologically confirmed malignant melanoma; N0 and M0 disease. Proton therapy was delivered three times a week with planned total dose of 60 GyE in 15 fractions. Results: From January 2004 through January 2007, thirteen patients were enrolled in this study. Patients’ characteristics were as follows: median age, 75 years (range, 56 to 79); male/female, 7/6; T1/2/3/4/rec, 3/2/0/7/1. All could receive the full dose of proton therapy. The most common acute toxicities were mucositis (grade 3: 15%) and dermatitis (grade 2: 15%). One patient had unilateral impairment of visual acuity possibly related with treatment. Initial local control rate was 77.0% (10/13, 95%CI: 46.2–95.0%). With median follow up period of 33.7 months, median progression free survival was 18.9 months and median survival time was not reached. 2-year overall survival rate was 69.7% (95%CI: 31.6–86.1%). Most frequent site of first failure was cervical lymph nodes outside of PTV. Four patients died of disease; cachexia caused by distant metastases in three and carotid blowout because of nodal disease in one. Conclusions: Proton beam therapy for mucosal melanoma of the head and neck achieved favorable results in this limited number of patients, although further investigation about late toxicity is needed. Now, the phase II study of this treatment is ongoing. No significant financial relationships to disclose.
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Affiliation(s)
- S. Zenda
- National Cancer Center East, Chiba, Japan
| | | | - R. Kohno
- National Cancer Center East, Chiba, Japan
| | - S. Arahira
- National Cancer Center East, Chiba, Japan
| | - T. Nishio
- National Cancer Center East, Chiba, Japan
| | - T. Ogino
- National Cancer Center East, Chiba, Japan
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Abstract
A transfection array, which is specifically developed for use in high-throughput analyses of genome functions by the over-expression or suppression of genes on a chip, is expected to become an important method for post-genome research. High efficiency of gene expression or suppression is indispensable for high-throughput analyses because the adherent cell number on a single spot decreases as the density of spots increases in the transfection array. We have studied an electro-stimulated pore formation on the cell membrane for gene delivery. Fine pores should be formed on the cell membrane to increase the efficiency of gene transfection without cell damage. Herein, we examined the electrode carrying chemically functionalized carbon nanotubes (CNTs) on the surface. The CNTs were loaded on a gold electrode with a self-assembled monolayer membrane by electrostatic interaction. Adsorbed plasmid DNA was transfected with higher efficiency into adherent cells on the CNT-loaded electrode than on an electrode without CNTs. This result may be due to the strong but fine field emission formed from the tips of the CNTs.
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Affiliation(s)
- Y Inoue
- Institute for Frontier Medical Sciences, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
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Miyatake A, Nishio T, Ogino T, Saijo N, Uesaka M. Verification of Positron Emitter Nuclei Generated in Human Body by Proton Irradiation. Int J Radiat Oncol Biol Phys 2008. [DOI: 10.1016/j.ijrobp.2008.06.374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Fukuhara S, Nihei K, Kameoka S, Kohno R, Nishio T, Ariji T, Onozawa M, Ogino T. Effect of Prostate Motion and Bony Structures on Dose Distribution of Proton Beam Therapy for Prostate Cancer. Int J Radiat Oncol Biol Phys 2008. [DOI: 10.1016/j.ijrobp.2008.06.151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Kohno R, Hirano E, Kameoka S, Hotta K, Nishio T, Miyagishi T, Hallil A, Kawashima M, Ogino T. SU-GG-T-297: Measurements of Proton Dose Distributions Using a Thin Oxide MOSFET Detector. Med Phys 2008. [DOI: 10.1118/1.2962049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Kobayashi K, Oka M, Akiyama T, Inoue T, Abiru K, Ogino T, Yoshinaga H, Ohtsuka Y, Oka E. Rhythmic 60–100Hz activity on scalp EEG associated with epileptic spasms. Clin Neurophysiol 2007. [DOI: 10.1016/j.clinph.2007.06.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Yoshinaga H, Kobayashi K, Ogino T, Ito M, Nakahori T, Ohtsuka Y. EEG dipole in Panayiotopoulos syndrome. Clin Neurophysiol 2007. [DOI: 10.1016/j.clinph.2007.05.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Ogino T, Kawashima M, Zenda S, Arahira S, Kohno R, Nishio T. 5519 POSTER Proton beam therapy for nasal cavity and paranasal sinus malignancies. EJC Suppl 2007. [DOI: 10.1016/s1359-6349(07)71236-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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40
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Harada M, Takahara M, Zhe P, Otsuji M, Iuchi Y, Takagi M, Ogino T. Developmental failure of the intra-articular ligaments in mice with absence of growth differentiation factor 5. Osteoarthritis Cartilage 2007; 15:468-74. [PMID: 17052922 DOI: 10.1016/j.joca.2006.09.003] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2005] [Accepted: 09/04/2006] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To show the phenotypic characteristics of the knee joints in brachypodism mice (bp mice), which carry a functional null mutation of the growth differentiation factor 5 (GDF5) gene, we investigated the adult and embryonic bp mice. METHOD Radiographic and macroscopic examinations of the knee joint of adult bp mice were performed. A histological examination of the knee joint of bp mice from E12.5 to E18.5 was also performed. RESULTS Radiographic and macroscopic examinations of the adult bp mice showed anterior dislocation, hypoplastic condyles, and absence of the intra-articular ligaments. Safranin O staining of knee joints of the embryonic bp mice showed severe hypoplasty of the chondroepiphyses and intra-articular ligaments at E16.5. There was no difference in the number and location of 5-bromo-2'-deoxyuridine (BrdU)-positive cells between wild-type and bp mice through E12.5 to E14.5. A terminal deoxynucleotidyltransferase-mediated dUTP nick-end labeling (TUNEL) study showed excessive cell death of mesenchymal cells of the future knee joint in bp mice at E12.5 and E13.5. CONCLUSION bp mice exhibit developmental failure of the condyles and intra-articular ligament of the knee joints.
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Affiliation(s)
- M Harada
- Department of Orthopaedic Surgery, Yamagata University School of Medicine, Iida-Nishi-2-2-2, Yamagata 990-9585, Japan
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Nakano H, Miyasaka T, Sagae M, Fujii H, Sato T, Suzuki K, Shindo M, Ogino T, Naito A. P07.4 Facilitation between pronator teres and extensor carpi radialis in humans: Studies with a PSTH technique. Clin Neurophysiol 2006. [DOI: 10.1016/j.clinph.2006.06.273] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Kohno R, Nishio T, Miyagishi-Gomi T, Hotta K, Igarashi Y, Ogino T. SU-FF-T-235: Experimental Evaluation of a MOSFET Dosimeter for Therapeutic Proton Beams. Med Phys 2006. [DOI: 10.1118/1.2241158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Bandoh N, Ogino T, Cho HS, Hur SY, Shen J, Wang X, Kato S, Miyokawa N, Harabuchi Y, Ferrone S. Development and characterization of human constitutive proteasome and immunoproteasome subunit-specific monoclonal antibodies. ACTA ACUST UNITED AC 2005; 66:185-94. [PMID: 16101829 DOI: 10.1111/j.1399-0039.2005.00462.x] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Delta (Y), MB1 (X), and Z are the three catalytic beta-subunits located in the inner rings of the constitutive proteasome, an intracellular multicatalytic complex responsible for the generation of peptides presented by human leukocyte antigen (HLA) class I antigens to T cells. When cells are incubated with interferon-gamma, delta (Y), MB1 (X), and Z are replaced by LMP2, LMP7, and LMP10, respectively, leading to the expression of immunoproteasome which generates peptides with increased affinity for HLA class I antigens. The characterization of the expression of constitutive proteasome and immunoproteasome subunits in cells, normal tissues, and malignant lesions has been hampered by the lack or limited availability of constitutive proteasome and immunoproteasome subunit-specific monoclonal antibodies (mAbs), which are suitable for immunohistochemical staining. To overcome this limitation, we generated human delta (Y), MB1 (X), Z, LMP2, LMP7, and LMP10-specific mAb-secreting hybridomas from BALB/c mice immunized with peptides and recombinant fusion proteins. The mAbs SY-5, SJJ-3, NB-1, SY-1, HB-2, and TO-7 were shown to be specific for delta (Y), MB1 (X), Z, LMP2, LMP7, and LMP10, respectively, as they react specifically with the corresponding molecules when tested with a human B lymphoid LG2 cell lysate in Western blotting and with the peptide derived from each molecule in enzyme-linked immunosorbent assay. The reactivity of the six mAbs with the corresponding intracellular antigens resulted in intracellular staining when the mAbs were tested with microwave-treated and saponin-permeabilized cells in indirect immunofluorescence and with formalin-fixed, paraffin-embedded tissue sections in immunohistochemical reactions. These results suggest that the constitutive proteasome and immunoproteasome subunit-specific mAbs we have developed are useful probes to characterize the expression of proteasome subunits in normal tissues and in pathological lesions.
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Affiliation(s)
- N Bandoh
- Department of Immunology, Roswell Park Cancer Institute, Buffalo, NY 14263, USA
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Oyama M, Shimbo M, Inoue K, Tohyama N, Goka T, Nishimura H, Ogino T. Evaluation of Absorbed Dose in Respiratory Gated Radiotherapy Using a Phantom System that Simulates Patient Respiration. Int J Radiat Oncol Biol Phys 2005. [DOI: 10.1016/j.ijrobp.2005.07.866] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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46
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Kawashima M, Tahara M, Hayashi R, Nishimura H, Arahira S, Onozawa M, Ogino T. When Should We Evaluate Tumor Response for Expecting Tumor Cure in Chemoradiotherapy for Head and Neck Cancer? Int J Radiat Oncol Biol Phys 2005. [DOI: 10.1016/j.ijrobp.2005.07.606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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47
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Nihei K, Ogino T, Ishikura S, Nishimura H. High dose proton beam therapy (PBT) for stage I non-small cell lung cancer (NSCLC). J Clin Oncol 2005. [DOI: 10.1200/jco.2005.23.16_suppl.7226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- K. Nihei
- National Cancer Ctr East, Kashiwa, Japan
| | - T. Ogino
- National Cancer Ctr East, Kashiwa, Japan
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Tahara M, Minami H, Mukai H, Kawada K, Kawashima M, Ogino T, Yamazaki M, Matsuura K, Hayashi R. Phase I study of concurrent chemoradiotherapy (CRT) with S-1 and cisplatin (CDDP) in patients (pts) with unresectable locally advanced squamous cell carcinoma of head and neck (SCCHN). J Clin Oncol 2005. [DOI: 10.1200/jco.2005.23.16_suppl.5575] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- M. Tahara
- National Cancer Ctr Hosp East, Kashiwa, Chiba, Japan
| | - H. Minami
- National Cancer Ctr Hosp East, Kashiwa, Chiba, Japan
| | - H. Mukai
- National Cancer Ctr Hosp East, Kashiwa, Chiba, Japan
| | - K. Kawada
- National Cancer Ctr Hosp East, Kashiwa, Chiba, Japan
| | - M. Kawashima
- National Cancer Ctr Hosp East, Kashiwa, Chiba, Japan
| | - T. Ogino
- National Cancer Ctr Hosp East, Kashiwa, Chiba, Japan
| | - M. Yamazaki
- National Cancer Ctr Hosp East, Kashiwa, Chiba, Japan
| | - K. Matsuura
- National Cancer Ctr Hosp East, Kashiwa, Chiba, Japan
| | - R. Hayashi
- National Cancer Ctr Hosp East, Kashiwa, Chiba, Japan
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Komoto S, Miura S, Koseki S, Goto M, Hachimura S, Fujimori H, Hokari R, Hara Y, Ogino T, Watanabe C, Nagata H, Kaminogawa S, Hibi T, Ishii H. Effect of specific antigen stimulation on intraepithelial lymphocyte migration to small intestinal mucosa. Clin Exp Immunol 2005; 140:249-57. [PMID: 15807848 PMCID: PMC1809352 DOI: 10.1111/j.1365-2249.2005.02761.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Migration of intraepithelial lymphocytes (IELs) into intestinal epithelium is not yet well understood. We established an IEL-cell line from ovalbumin (OVA) 23-3 transgenic (Tg) mice and investigated the effect of antigen stimulation on the dynamic process of IEL migration into small intestinal mucosa. The cell line was a T cell receptor (TCR) alphabeta(+) CD4(+) CD8(-) phenotype, expressing alphaEbeta7 integrin in 90% of cells. Under intravital microscopy, the lined IELs adhered selectively to the microvessels of the intestinal villus tip of the Tg mice. The accumulation of IELs was significantly inhibited by an antibody against beta7-integrin and MAdCAM-1. When IELs were stimulated with OVA, the accumulation was attenuated compared to that of resting cells, with decreased expression of alphaEbeta7 integrin. In Tg mice fed with OVA, the number of IELs which migrated in the villus mucosa was significantly smaller than in the non-fed controls. The preferential migratory capacity of IELs to villus mucosa may be altered by specific antigen stimulations.
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Affiliation(s)
- S Komoto
- Department of Internal Medicine, School of Medicine, Keio University, Tokyo, Japan
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Affiliation(s)
- T Ogino
- Department of Child Neurology, Okayama University Graduate School of Medicine and Dentistry, Shikata-cho 2-5-1, Okayama 700-8558, Japan.
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