1
|
Shinomiya Y, Kouchi Y, Onodera K, Yamamoto H, Harada-Kagitani S, Sakakibara J, Nagashima T, Ikeda JI, Kishimoto T. Imprint Cytology of Tall Cell Carcinoma with Reversed Polarity of the Breast: A Case Report. Acta Cytol 2024; 68:73-79. [PMID: 38262369 DOI: 10.1159/000536346] [Citation(s) in RCA: 0] [Impact Index Per Article: 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: 11/22/2023] [Accepted: 01/16/2024] [Indexed: 01/25/2024]
Abstract
INTRODUCTION Tall cell carcinoma with reversed polarity (TCCRP) is a rare histologic subtype of breast cancer that was newly categorized in 2020. TCCRP is a relatively novel tumor, and there are no detailed reports about its cellular morphology. We were able to obtain imprint cytological specimens from fresh TCCRP tissue, and we provide our detailed observations. CASE PRESENTATION The patient was a 73-year-old Japanese female with a 15-mm mass in her right breast. After invasive breast carcinoma was diagnosed based on a core needle biopsy, a lumpectomy was performed. The pathological examination revealed TCCRP, and Sanger sequencing detected IDH2 p.R172M hotspot mutation, which is characteristic of TCCRP. Soon after the surgery, the lumpectomy specimen was sliced before fixation for use in a clinical trial, and imprint cytological materials were obtained from the tumor's cut surface. Cytologically, the tumor showed papillary-like cell clusters and isolated cells with moderate cellularity. Neoplastic cell aggregates and clusters with thick vascular cores as the axis or with delicate fibrovascular stroma were observed. Most of the neoplastic cells were cuboidal-to-columnar in shape, with mildly to moderately irregularly shaped blunt nuclei. Some intranuclear cytoplasmic inclusions and nuclear grooves were present, resembling the nuclear findings of papillary thyroid carcinoma. The most characteristic finding was the columnar cell clusters with apically located nuclei, giving the impression of reversed polarity. CONCLUSION We described cytological findings in TCCRP, a newly classified rare mammary tumor. Most of the characteristic histologic findings were also observed in imprint cytological specimens. Further studies on practical specimens such as fine-needle aspiration are needed for clinical application.
Collapse
Affiliation(s)
- Yoshiki Shinomiya
- Department of Molecular Pathology, Graduate School of Medicine, Chiba University, Chiba, Japan,
- Department of Pathology, Chiba University Hospital, Chiba, Japan,
| | - Yusuke Kouchi
- Department of Molecular Pathology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Kiyotaka Onodera
- Department of Pathology, Chiba University Hospital, Chiba, Japan
| | - Hiroto Yamamoto
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | | | - Junta Sakakibara
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Takeshi Nagashima
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Jun-Ichiro Ikeda
- Department of Pathology, Chiba University Hospital, Chiba, Japan
- Department of Diagnostic Pathology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Takashi Kishimoto
- Department of Molecular Pathology, Graduate School of Medicine, Chiba University, Chiba, Japan
| |
Collapse
|
2
|
Onodera K, Aokage K, Wakabayashi M, Ikeno T, Suzuki J, Miyoshi T, Tane K, Smajima J, Tsuboi M. EP02.01-005 The Efficacy of Platinum-Based Chemotherapy as Adjuvant Therapy in EGFR Mutant Lung Adenocarcinoma. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.332] [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: 10/14/2022]
|
3
|
Honda T, Yuki S, Muranaka T, Nakatsumi H, Tsuji Y, Miyagishima T, Yoshida S, Hatanaka K, Sasaki T, Ishiguro A, Muto O, Ohnuma H, Kato S, Sato A, Abe M, Kato K, Onodera K, Eto K, Tateyama M, Amano T, Sakata Y, Komatsu Y. HGCSG1401: A retrospective cohort study evaluating the safety and efficacy of regorafenib in patients with metastatic colorectal cancer: Analysis of risk factors for liver dysfunction. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy151.263] [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: 11/14/2022] Open
|
4
|
Onodera K, Simojo D, Ishihara Y, Doyu M, Okano H, Katsuno M, Sobue G, Okada Y. Pathophysiological analysis of spinal and bulbar muscular atrophy using disease-specific iPSCs. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.1993] [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: 11/26/2022]
|
5
|
Okada Y, Ito T, Tanaka S, Shimojo D, Onodera K, Katsuno M, Okano H, Sobue G, Doyu M. The analysis of neuromuscular pathology of spinal-bulbar muscular atrophy using iPSC-derived disease model. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.1611] [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]
|
6
|
Kato K, Hodgson WJ, Abraham NG, Onodera K, Imai M, Kasai S, Mito M. Expression and Inducibility of Cytochrome P450 Iiia Family within Intrasplenically Transplanted Fetal Hepatocytes. Cell Transplant 2017; 5:117-22. [PMID: 8665072 DOI: 10.1177/096368979600500116] [Citation(s) in RCA: 2] [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: 11/17/2022] Open
Abstract
With the development of transplantation of hepatocytes into the spleen, interest has focused on the metabolic changes associated with hepatocyte proliferation. As these changes are important for drug metabolism in hepatocytes, we examined the expression and inducibility of the cytochrome P450 IIIA family within transplanted hepatocytes. Fetal hepatocytes were harvested at 20 days of gestation from spontaneously hypertensive rats (SHRs) and transplanted into recipient adult SHR spleens. Microscopic examination of the recipient spleens 4 and 10 wk after transplantation revealed masses of hepatocytes with cordlike structures in the red pulp. Proliferating hepatocytes were detected with a bromodeoxyuridine (BrdU) immunohistochemical stain. Immunochemical studies detected cytochromes (cytos) P450 p and P450 HLp in fetal hepatocytes before transplantation without prior induction. And although these cytos were not detected by 10 wk after transplantation, they were induced with dexamethasone. These results demonstrated that fetal hepatocytes can be transplanted successfully into recipient spleens and suggested that fetal hepatocytes grow in the spleen, similar to the adult hepatocyte response.
Collapse
Affiliation(s)
- K Kato
- Department of Medicine and Gastrointestinal Surgery, New York Medical College, Valhalla 10595, USA
| | | | | | | | | | | | | |
Collapse
|
7
|
Koyama D, Ito M, Yokohata E, Watakabe K, Onodera K, Goto T, Seto A, Watanabe K, Doisaki M, Ozawa Y, Yamaguchi T, Miyamura K. Autoimmune-like hepatitis after allogeneic hematopoietic stem cell transplantation: humoral hepatic GvHD. Bone Marrow Transplant 2016; 52:151-153. [DOI: 10.1038/bmt.2016.202] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
|
8
|
Adachi N, Adamovitch V, Adjovi Y, Aida K, Akamatsu H, Akiyama S, Akli A, Ando A, Andrault T, Antonietti H, Anzai S, Arkoun G, Avenoso C, Ayrault D, Banasiewicz M, Banaśkiewicz M, Bernardini L, Bernard E, Berthet E, Blanchard M, Boreyko D, Boros K, Charron S, Cornette P, Czerkas K, Dameron M, Date I, De Pontbriand M, Demangeau F, Dobaczewski Ł, Dobrzyński L, Ducouret A, Dziedzic M, Ecalle A, Edon V, Endo K, Endo T, Endo Y, Etryk D, Fabiszewska M, Fang S, Fauchier D, Felici F, Fujiwara Y, Gardais C, Gaul W, Gurin L, Hakoda R, Hamamatsu I, Handa K, Haneda H, Hara T, Hashimoto M, Hashimoto T, Hashimoto K, Hata D, Hattori M, Hayano R, Hayashi R, Higasi H, Hiruta M, Honda A, Horikawa Y, Horiuchi H, Hozumi Y, Ide M, Ihara S, Ikoma T, Inohara Y, Itazu M, Ito A, Janvrin J, Jout I, Kanda H, Kanemori G, Kanno M, Kanomata N, Kato T, Kato S, Katsu J, Kawasaki Y, Kikuchi K, Kilian P, Kimura N, Kiya M, Klepuszewski M, Kluchnikov E, Kodama Y, Kokubun R, Konishi F, Konno A, Kontsevoy V, Koori A, Koutaka A, Kowol A, Koyama Y, Kozioł M, Kozue M, Kravtchenko O, Kruczała W, Kudła M, Kudo H, Kumagai R, Kurogome K, Kurosu A, Kuse M, Lacombe A, Lefaillet E, Magara M, Malinowska J, Malinowski M, Maroselli V, Masui Y, Matsukawa K, Matsuya K, Matusik B, Maulny M, Mazur P, Miyake C, Miyamoto Y, Miyata K, Miyata K, Miyazaki M, Molȩda M, Morioka T, Morita E, Muto K, Nadamoto H, Nadzikiewicz M, Nagashima K, Nakade M, Nakayama C, Nakazawa H, Nihei Y, Nikul R, Niwa S, Niwa O, Nogi M, Nomura K, Ogata D, Ohguchi H, Ohno J, Okabe M, Okada M, Okada Y, Omi N, Onodera H, Onodera K, Ooki S, Oonishi K, Oonuma H, Ooshima H, Oouchi H, Orsucci M, Paoli M, Penaud M, Perdrisot C, Petit M, Piskowski A, Płocharski A, Polis A, Polti L, Potsepnia T, Przybylski D, Pytel M, Quillet W, Remy A, Robert C, Sadowski M, Saito M, Sakuma D, Sano K, Sasaki Y, Sato N, Schneider T, Schneider C, Schwartzman K, Selivanov E, Sezaki M, Shiroishi K, Shustava I, Śniecińska A, Stalchenko E, Staroń A, Stromboni M, Studzińska W, Sugisaki H, Sukegawa T, Sumida M, Suzuki Y, Suzuki K, Suzuki R, Suzuki H, Suzuki K, Świderski W, Szudejko M, Szymaszek M, Tada J, Taguchi H, Takahashi K, Tanaka D, Tanaka G, Tanaka S, Tanino K, Tazbir K, Tcesnokova N, Tgawa N, Toda N, Tsuchiya H, Tsukamoto H, Tsushima T, Tsutsumi K, Umemura H, Uno M, Usui A, Utsumi H, Vaucelle M, Wada Y, Watanabe K, Watanabe S, Watase K, Witkowski M, Yamaki T, Yamamoto J, Yamamoto T, Yamashita M, Yanai M, Yasuda K, Yoshida Y, Yoshida A, Yoshimura K, Żmijewska M, Zuclarelli E. Measurement and comparison of individual external doses of high-school students living in Japan, France, Poland and Belarus-the 'D-shuttle' project. J Radiol Prot 2016; 36:49-66. [PMID: 26613195 DOI: 10.1088/0952-4746/36/1/49] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Twelve high schools in Japan (of which six are in Fukushima Prefecture), four in France, eight in Poland and two in Belarus cooperated in the measurement and comparison of individual external doses in 2014. In total 216 high-school students and teachers participated in the study. Each participant wore an electronic personal dosimeter 'D-shuttle' for two weeks, and kept a journal of his/her whereabouts and activities. The distributions of annual external doses estimated for each region overlap with each other, demonstrating that the personal external individual doses in locations where residence is currently allowed in Fukushima Prefecture and in Belarus are well within the range of estimated annual doses due to the terrestrial background radiation level of other regions/countries.
Collapse
Affiliation(s)
- N Adachi
- Adachi High School, 2-347 Kakunai, Nihonmatsu, Fukushima 964-0904, Japan
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
9
|
Dazai M, Yuki S, Muranaka T, Yoshida S, Ohta Y, Hatanaka K, Tsuji Y, Ohta T, Sato A, Eto K, Onodera K, Sato Y, Kato K, Nakamura M, Muto O, Ishiguro A, Tateyama M, Okuda H, Sakata Y, Komatsu Y. 158P A retrospective cohort study evaluating the safety and efficacy of regorafenib in patients with metastatic colorectal cancer; The HGCSG1401 study -first report. Ann Oncol 2015. [DOI: 10.1093/annonc/mdv523.19] [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: 11/14/2022] Open
|
10
|
Yuki S, Komatsu Y, Muranaka T, Yoshida S, Ohta Y, Hatanaka K, Tsuji Y, Kawamoto Y, Yoshizaki K, Sato A, Eto K, Onodera K, Kato S, Nakamura M, Muto O, Abe M, Sato Y, Ishiguro A, Tateyama M, Okuda H, Sakamoto N, Sakata Y. P-271 Retrospective Cohort Study on the Safety and Efficacy of Regorafenib for Metastatic Colorectal Cancer Patients: The HGCSG1401 Study -First Report-. Ann Oncol 2015. [DOI: 10.1093/annonc/mdv233.268] [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: 11/12/2022] Open
|
11
|
Celar AG, Onodera K, Bertl MH, Astl E, Bantleon HP, Sato S, Mitteroecker P. Geometric morphometric evaluations of a randomized prospective split-mouth study on modes of ligation and reverse-curve mechanics. Orthod Craniofac Res 2014; 17:158-69. [PMID: 24720396 DOI: 10.1111/ocr.12042] [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] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/15/2014] [Indexed: 10/25/2022]
Abstract
OBJECTIVES To evaluate tooth position after six and 9 months of orthodontics with conventional brackets on one side of the dentition and ligature-less brackets on the other. SETTING AND SAMPLE POPULATION Orthodontic Division, Vienna Medical University. Twenty patients aged 22.5 ± 5.7 years, symmetrical malocclusion and arch form, no premolar extraction. MATERIAL AND METHODS Prospective split-mouth study, 0.022-inch SmartClip self-ligating brackets assigned randomly to the left or right dentition, conventional 0.018-inch brackets on the other side. 52 dental landmarks, digitized on plaster casts, represented dental arches at baseline (t0), 6 months and 9 months (t1, t2). During t0-t1, we used 0.016 and 0.014 x 0.025 inch superelastic wires, during t1-t2 connected reverse-curve hemiarch wires: 0.017 x 0.025 inch ß-titanium on the ligature-less side, and 0.016 x 0.022 inch Elgiloy multiloop wires on conventional brackets. Morphometric analyses were used to assess differences in dental arch shapes. RESULTS Neither initial alignment nor the reverse-curve phase showed statistically significant differences between ligature-less and conventional brackets in moving teeth. CONCLUSION Morphometric shape analyses corroborated current evidence that self-ligating brackets were no more effective than conventional brackets with steel ligatures after 6-month initial alignment. From months 6-9 treatment with ß-titanium reverse-curve wires on 0.022-inch ligature-less brackets resulted in similar tooth positions as accomplished by Elgiloy multiloop wires on 0.018-inch steel-ligature-tied brackets.
Collapse
Affiliation(s)
- A G Celar
- Orthodontic Division, Dental Clinic, Medical University of Vienna, Vienna, Austria
| | | | | | | | | | | | | |
Collapse
|
12
|
Onodera K, Kawakami K, Yukisawa S, Warita E, Yamanaka Y. A Retrospective Analysis of First-Line Treatment in HER2-Positive and HER2-Negative Advanced Gastric Cancer. Ann Oncol 2013. [DOI: 10.1093/annonc/mdt460.3] [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: 11/14/2022] Open
|
13
|
Jingu K, Matsushita H, Takeda K, Narazaki K, Ariga H, Umezawa R, Sugawara T, Miyata G, Onodera K, Nemoto K, Yamada S. Results of chemoradiotherapy for stage I esophageal cancer in medically inoperable patients compared with results in operable patients. Dis Esophagus 2013; 26:522-7. [PMID: 22925398 DOI: 10.1111/j.1442-2050.2012.01396.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The purpose of the present study was to evaluate long-term results of chemoradiotherapy for clinical T1b-2N0M0 esophageal cancer and to compare outcomes for operable and inoperable patients. Patients with stage I esophageal cancer (Union for International Cancer Control [UICC] 2009), excluding patients with cT1a esophageal cancer, were studied. All patients had histologically proven squamous cell carcinoma. Operable patients received cisplatin and 5-fluorouracil with concurrent radiotherapy of 60 Gy including a 2-week break. Inoperable patients received nedaplatin and 5-fluorouracil with concurrent radiotherapy of 60-70 Gy without a pause. End-points were overall survival rate (OS), cause-specific survival rate (CSS), progression-free survival rate (PFS), and locoregional control rate (LC). Thirty-seven operable patients and 30 medically inoperable patients were enrolled. There was a significant difference in only age between the operable group and inoperable group (P = 0.04). The median observation period was 67.9 months. In all patients, 5-year OS, CSS, PFS, and LC were 77.9%, 91.5%, 66.9%, and 80.8%, respectively. Comparison of the operable group and inoperable group showed that there was a significant difference in OS (5-year, 85.5% vs. 68.7%, P = 0.04), but there was no difference in CSS, PFS, or LC. Grade 3 or more late toxicity according to Common Terminology Criteria for Adverse Events v 3.0 was found in seven patients. Even in medically inoperable patients with stage I esophageal cancer, LC of more than 80% can be achieved with chemoradiotherapy. However, OS in medically inoperable patients is significantly worse than that in operable patients.
Collapse
Affiliation(s)
- K Jingu
- Department of Radiation Oncology, Tohoku University School of Medicine, Sendai 980-8574, Japan.
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
14
|
Seto A, Ito M, Watanabe K, Yokohata E, Koyama D, Onodera K, Goto T, Ozawa Y, Yamaguchi T, Miyamura K. Expression of p16, a Biomarker of HPV Infection, Is Associated With Esophageal Precancerous State After Allogeneic Hematopoietic Stem Cell Transplantation: New Tools for Early Diagnosis of This Fatal Disease. Biol Blood Marrow Transplant 2011. [DOI: 10.1016/j.bbmt.2010.12.258] [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: 11/17/2022]
|
15
|
|
16
|
Kato K, Matsuda M, Onodera K, Sakata H, Imai M, Kasai S, Kobayashi T. Successful treatment of a rectal lesion by transanal endoscopic microsurgery with the ultrasonically-activated scalpel. MINIM INVASIV THER 2009. [DOI: 10.3109/13645709809152872] [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: 11/13/2022]
|
17
|
Kawagoe T, Onodera K, Tokiwa O, Sasaguri K, Akimoto S, Sato S. Relationship between sleeping occlusal contact patterns and temporomandibular disorders in the adult Japanese population. J Stomat Occ Med 2009. [DOI: 10.1007/s12548-009-0002-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
|
18
|
Matsumoto A, Onodera K. Fabrication of thin-film organic crystals by vapor deposition and their solid-state polymerization. Acta Crystallogr A 2008. [DOI: 10.1107/s0108767308086376] [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: 11/11/2022] Open
|
19
|
Abstract
OBJECTIVE To study the histomorphometrical characteristics of lymphatic vessels in cavernous lymphangiomas of the tongue. MATERIAL AND METHODS Immunohistochemical stainings were prepared in the 20 specimens with three antibodies [D2-40, CD31 and proliferating cell nuclear antigen (PCNA)]. Three-dimensional (3D) reconstruction and histometrical analysis of the lymphatic vessels was also examined. RESULTS Distinctly positive staining for D2-40 was found in dilated lymphatic vessels located in the lamina propria beneath the thinned covering epithelium. Small blood vessels stained positively for CD31 were present in the lamina propria. PCNA-positive lymphatic endothelial cells were scattered in both control and lymphangioma. The 3D architecture of lymphatic vessels was characterized by a complex network with irregular branches in the lamina propria. Histometrical analysis showed that the number of lymphatic endothelial cells per lymphatic vessel perimeter in cavernous lymphangioma was significantly higher than that in control. There were no significant differences in the lymphatic density and the ratio of PCNA-positive lymphatic endothelial cell nuclei to the total number of lymphatic endothelial cell nuclei between control and lymphangioma. CONCLUSIONS These results indicate the absence of excessive endothelial cell proliferation in dilated lymphatic vessels in cavernous lymphangioma. Cavernous lymphangioma may be attributed to the enlargement of lymphatic vessels without the tumorous proliferation of lymphatic endothelial cells.
Collapse
Affiliation(s)
- T Yaita
- Division of Oral Pathology, Department of Oral Medicine and Surgery, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | | | | | | |
Collapse
|
20
|
Onodera K, Xu H, Kimizuka S, Echigo S, Ooya K. Chondroma of the cheek: A case report. Int J Oral Maxillofac Surg 2005; 34:924-6. [PMID: 15955665 DOI: 10.1016/j.ijom.2005.02.012] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2003] [Revised: 11/11/2004] [Accepted: 02/08/2005] [Indexed: 11/16/2022]
Abstract
An extremely rare case of soft tissue chondroma occurring in the right cheek of a 47-year-old woman is reported. The localized nodular tumor was encapsulated and composed of hyalinized cartilage with fine calcifications. Most tumor cells were positive for vimentin and S-100 protein, but negative for cytokeratin, factor VIII, and smooth muscle actin. It seems likely that the tumor cells arise from uncommitted mesenchymal stem cells by metaplastic process.
Collapse
Affiliation(s)
- K Onodera
- Division of Oral Pathology, Department of Oral Medicine and Surgery, Tohoku University Graduate School of Dentistry, Sendai, Japan.
| | | | | | | | | |
Collapse
|
21
|
Koekkoek SKE, Yamaguchi K, Milojkovic BA, Dortland BR, Ruigrok TJH, Maex R, De Graaf W, Smit AE, VanderWerf F, Bakker CE, Willemsen R, Ikeda T, Kakizawa S, Onodera K, Nelson DL, Mientjes E, Joosten M, De Schutter E, Oostra BA, Ito M, De Zeeuw CI. Deletion of FMR1 in Purkinje Cells Enhances Parallel Fiber LTD, Enlarges Spines, and Attenuates Cerebellar Eyelid Conditioning in Fragile X Syndrome. Neuron 2005; 47:339-52. [PMID: 16055059 DOI: 10.1016/j.neuron.2005.07.005] [Citation(s) in RCA: 305] [Impact Index Per Article: 16.1] [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] [Received: 02/13/2004] [Revised: 11/29/2004] [Accepted: 07/07/2005] [Indexed: 11/15/2022]
Abstract
Absence of functional FMRP causes Fragile X syndrome. Abnormalities in synaptic processes in the cerebral cortex and hippocampus contribute to cognitive deficits in Fragile X patients. So far, the potential roles of cerebellar deficits have not been investigated. Here, we demonstrate that both global and Purkinje cell-specific knockouts of Fmr1 show deficits in classical delay eye-blink conditioning in that the percentage of conditioned responses as well as their peak amplitude and peak velocity are reduced. Purkinje cells of these mice show elongated spines and enhanced LTD induction at the parallel fiber synapses that innervate these spines. Moreover, Fragile X patients display the same cerebellar deficits in eye-blink conditioning as the mutant mice. These data indicate that a lack of FMRP leads to cerebellar deficits at both the cellular and behavioral levels and raise the possibility that cerebellar dysfunctions can contribute to motor learning deficits in Fragile X patients.
Collapse
Affiliation(s)
- S K E Koekkoek
- Department of Neuroscience, Erasmus MC, P.O. Box 1738, 3000 DR Rotterdam, The Netherlands
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
22
|
Takahashi A, Onodera K. Valproic Acid Induced Osteopenia and Its Prevention with Alfacalcidol and Alendronate. J HARD TISSUE BIOL 2005. [DOI: 10.2485/jhtb.14.275] [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: 10/24/2022]
|
23
|
Lakshminarayanan S, Onodera K, Madhukar GM. Recycle Effect Index: A Measure to Aid in Control System Design for Recycle Processes. Ind Eng Chem Res 2004. [DOI: 10.1021/ie030533r] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- S. Lakshminarayanan
- Department of Chemical & Environmental Engineering, National University of Singapore, Singapore 117576, and Mitsubishi Chemical Corporation, Mizushima Plant, Okayama 712-8054, Japan
| | - K. Onodera
- Department of Chemical & Environmental Engineering, National University of Singapore, Singapore 117576, and Mitsubishi Chemical Corporation, Mizushima Plant, Okayama 712-8054, Japan
| | - G. M. Madhukar
- Department of Chemical & Environmental Engineering, National University of Singapore, Singapore 117576, and Mitsubishi Chemical Corporation, Mizushima Plant, Okayama 712-8054, Japan
| |
Collapse
|
24
|
Takahashi A, Saito T, Mayanagi H, Kamei J, Onodera K. Effects of the antiepileptics phenytoin and zonisamide on dentin formation and bone mineral density of the mandible in growing rats. ACTA ACUST UNITED AC 2004; 26:769-73. [PMID: 15672119 DOI: 10.1358/mf.2004.26.10.872558] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [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: 10/25/2022]
Abstract
This study was undertaken to examine the effects of the antiepileptics phenytoin and zonisamide on changes in the mineral density of the incisor and bone mineral density (BMD) of the mandibular head, and on the rate of dentin formation using histomorphometric measurements. After repeated administration of phenytoin or zonisamide to male growing rats, the mineral density of the lower incisors and mandibular head were determined by analyzing microradiographs and dentin formation rates were determined by histomorphometric measurements. Results showed a significant decrease in the mean values of BMD of the mandibular head and lower incisors in groups treated with phenytoin or zonisamide compared with the vehicle-treated group (p < 0.05). The percent rates of decrease in mineral density of the incisors for phenytoin and zonisamide were 6.8% and 4.0%, respectively. Phenytoin and zonisamide significantly reduced the dentin formation rate for the mesial and distal areas compared with the vehicle-treated group. Thus, epileptic children who are treated over a long period with antiepileptics, especially at primary school age, should ensure good oral hygiene so as not to suffer bone loss, edentulism or gingival overgrowth.
Collapse
Affiliation(s)
- A Takahashi
- Clinics of Dentistry for the Disabled, Tohoku University Dental Hospital, Sendai, Japan.
| | | | | | | | | |
Collapse
|
25
|
Takahashi I, Nishimura M, Onodera K, Bae JW, Mitani H, Okazaki M, Sasano Y, Mitani H. Expression of MMP-8 and MMP-13 genes in the periodontal ligament during tooth movement in rats. J Dent Res 2003; 82:646-51. [PMID: 12885852 DOI: 10.1177/154405910308200815] [Citation(s) in RCA: 76] [Impact Index Per Article: 3.6] [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: 11/17/2022] Open
Abstract
Periodontal ligament tissue is remodeled on both the tension and compression sides of moving teeth during orthodontic tooth movement. The present study was designed to clarify the hypothesis that the expression of MMP-8 and MMP-13 mRNA is promoted during the remodeling of periodontal ligament tissue in orthodontic tooth movement. We used the in situ hybridization method and semi-quantitative reverse-transcription/polymerase chain-reaction analysis to elucidate the gene expression of MMP-8 and MMP-13 mRNA. Expression of MMP-8 and MMP-13 mRNA transiently increased on both the compression and tension sides during active tooth movement in vivo. The gene expression of MMP-8 and MMP-13 was induced by tension, while compression indirectly promoted the gene expression of MMP-8 and MMP-13 through soluble factors in vitro. Thus, we concluded that the expression of MMP-8 and MMP-13 is differentially regulated by tension and compression, and plays an important role in the remodeling of the periodontal ligament.
Collapse
Affiliation(s)
- I Takahashi
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, Sendai, Japan.
| | | | | | | | | | | | | | | |
Collapse
|
26
|
Matsuda M, Sekikawa T, Onodera K, Asama T, Chikama K, Inoue M, Kasai S. Development of a new membrane-type heated humidifier for laparoscopic surgery. Surg Endosc 2003; 17:1144-50. [PMID: 12712381 DOI: 10.1007/s00464-002-8602-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2002] [Accepted: 12/17/2002] [Indexed: 10/26/2022]
Abstract
BACKGROUND Recently, several animal studies showed that the core body temperature falls during pneumoperitoneum, and this hypothermia could be prevented by using heated and humidified gas insufflation. However, there are no satisfactory heated humidifiers to meet this purpose. Therefore, we developed a new membrane-type heated humidifier. MATERIALS AND METHODS The newly developed heated humidifier employs an ion-exchange membrane (Nafion: Du Pont Co. Ltd) tube that passes water selectively in molecular form and a gas compartment is completely separated from distilled water to prevent infection. This humidifier consists of a Nafion tube assembly and a case that includes the heater. A perforated protecting tube is located outside the Nafion tube to prevent direct contact with the Nafion tube when it is assembled. The Nafion tube assembly is inserted in the case, and dry gas flows inside of the Nafion tube. The space between the case and the Nafion tube assembly is filled with distilled water. A heater raises the temperature of the distilled water, and heat and water vapor are transferred to cold and dry gas through the Nafion membrane. Four different types of insufflators were involved in this performance comparison study: a Nafion-based heated and humidified insufflator, a conventional heated insufflator, a conventional heated and humidified insufflator, and a conventional cold and dry insufflator. Temperature and relative humidity were measured once each minute for 15 min, which was repeated four times. Each insufflator was operated at two rates of flow: 5 L/min and 10 L/min. RESULTS Temperature and humidity of the conventional cold and dry insufflator, the Nafion membrane-type heated and humidified insufflator, the conventional heated insufflator, and the conventional heated and humidified insufflator measured at the distal end of circuit reached 22.0 +/- 0.2 degrees C and 0%, 36.7 +/- 1.1 degrees C and 100%, 29.0 +/- 0.4 degrees C and 0%, and 31.3 +/- 0.4 degrees C and 70.5 +/- 5.3% in 15 min at 5 L/min flow rates. At 10 L/min flow rates, temperature and humidity were almost the same as those at 5 L/min. The membrane-type heated humidifier demonstrated statistically significant improvement in both the temperature ( p < 0.0001) and relative humidity ( p < 0.0001) parameters in comparison to the conventional normal, heated, or heated and humidified insufflators at 5 L/min and 10 L/min continuous flow rate in statistics using repeated-measure ANOVA. CONCLUSION This newly developed heated humidifier offers the great advantages of maintaining intraabdominal temperature and humidity in comparison to conventional insufflators for laparoscopic surgery.
Collapse
Affiliation(s)
- M Matsuda
- Second Department of Surgery, Asahikawa Medical College, Mirorigaoka-higashi 2-1-1-1, Asahikawa, Hokkaido 078-8510, Japan.
| | | | | | | | | | | | | |
Collapse
|
27
|
Sogawa N, Sogawa CA, Inoue T, Nakano M, Oda N, Yoneyama T, Okano Y, Onodera K, Furuta H. The effects of histamine on the lipopolysaccharide-induced metallothionein-I mRNA expression in the mouse spleen. Inflamm Res 2003; 52 Suppl 1:S21-2. [PMID: 12755393 DOI: 10.1007/s000110300036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Affiliation(s)
- N Sogawa
- Department of Dental Pharmacology, Okayama University Graduate School of Medicine and Dentistry, Japan.
| | | | | | | | | | | | | | | | | |
Collapse
|
28
|
Sogawa N, Sogawa CA, Fukuoka H, Mukubo Y, Yoneyama T, Okano Y, Furuta H, Onodera K. The changes of hepatic metallothionein synthesis and the hepatic damage induced by starvation in mice. ACTA ACUST UNITED AC 2003; 25:601-6. [PMID: 14671676 DOI: 10.1358/mf.2003.25.8.778079] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [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: 10/25/2022]
Abstract
Metallothionein (MT) is induced in the liver not only by heavy metals, but also by stress such as starvation. However, the meaning of the induced MT during starvation has never been clear. In this study, we investigated the relationship between changes in hepatic MT synthesis and the hepatic damage that occurs during starvation. MT synthesis was assessed by measuring MT contents and the expression of the MT gene in the liver. The hepatic damage was assessed by measuring glutamic pyruvic transaminase (GPT) and glutamic oxaloacetic transaminase (GOT) activities in the serum. MT synthesis in the liver increased over the normal level by starvation, but decreased under the normal level by refeeding after starvation. Both GPT and GOT activities of the refeeding group were higher than those of the control group. However, MT synthesis increased by a subcutaneous injection with CdCl(2) (1 mg Cd /kg) at the same time as refeeding after starvation. At this point, GOT activity decreased until it reached the normal level. MT synthesis decreased by refeeding after starvation, and from the results found in this study, we proposed the hypothesis that the liver damage caused by refeeding after starvation might be due to the decrease in the synthesis of a sufficient amount of MT induced by metals.
Collapse
Affiliation(s)
- N Sogawa
- Department of Dental Pharmacology, Okayama University Graduate School of Medicine and Dentistry, Shikata-cho 2-5-1, Okayama 700-8525, Japan
| | | | | | | | | | | | | | | |
Collapse
|
29
|
Furuta S, Onodera K, Kumagai M, Honma I, Miyazaki S, Sato T, Sakurada S. Involvement of adenosine A1 receptors in forced walking stress-induced analgesia in mice. ACTA ACUST UNITED AC 2003; 25:793-6. [PMID: 14735226 DOI: 10.1358/mf.2003.25.10.793327] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [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: 10/25/2022]
Abstract
We investigated the involvement of adenosine receptors on forced walking stress-induced analgesia using a formalin-induced paw-licking test in male mice. Exposure to forced walking stress for 6 h showed stress-induced analgesia in the second phase (10-30 min), but not in the first phase (0-10 min). In the second phase, forced walking stress-induced analgesia was blocked by theophylline, a nonselective adenosine-receptor antagonist and DPCPX, an adenosine A1-receptor antagonist, but not ZM 241385, an adenosine A2A-receptor antagonist. These findings suggest that adenosine A1 receptors are involved in the analgesic mechanism activated by the forced walking stress.
Collapse
Affiliation(s)
- S Furuta
- Second Department of Physiology, Showa University, School of Medicine, Tokyo, Japan
| | | | | | | | | | | | | |
Collapse
|
30
|
Onodera K, Kawaguch M, Shibata M, Kagawa M, Kojima J, Shimizu K, Yoneko M, Wachi M. Toxicological study of a glucose-added acetic acid maintenance infusion solution (VEEN 3G Inj.) local irritation test. Drugs Exp Clin Res 2002; 28:17-25. [PMID: 12073764] [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: 02/25/2023]
Abstract
The local irritating effect of Veen 3G Inj. (glucose-added acetic acid maintenance infusion solution) was examined in male rabbits. We studied the local irritating effect of the infusion solution compared with that of Ringer's solution, 5% sulfobromophthalein sodium injection, distilled water for injection or glucose-added Ringer's solution. In the vascular irritation test, macroscopical and histopathological changes induced by the infusion solution were not observed in the vessels. Moreover, in the hemolytic test, hemolysis of rabbit erythrocyte was not observed in the mixture with the infusion solution. In the present study, no change suggesting irritation by the infusion solution was observed in the in vivo vascular irritation test using the auricular vein of rabbits or in the in vitro hemolytic test using rabbit erythrocyte. In conclusion, in clinical use the infusion solution produces extremely slight adverse effects, such as vessel pain and phlebitis on the injection site.
Collapse
Affiliation(s)
- K Onodera
- Department of Dental Pharmacology, Okayama University Graduate School of Medicine and Dentistry, Okayama, Japan.
| | | | | | | | | | | | | | | |
Collapse
|
31
|
Onodera K, Sakurada S, Furuta S, Yonezawa A, Hayashi T, Honma I, Miyazaki S. Age-related differences in forced walking stress-induced analgesia in mice. Drugs Exp Clin Res 2002; 27:193-8. [PMID: 11951577] [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: 02/24/2023]
Abstract
We investigated the effects of aging on forced walking stress-induced analgesia using a formalin-induced paw licking test in male mice. Exposure to forced walking stress for 6 h showed forced walking stress-induced analgesia in all mice aged 4, 24 and 48 weeks in the second phase (10-30 min), but not in the first phase (0-10 min). In the second phase, the degree of stress-induced analgesia was age-dependent (4 > 24 > 48 weeks). LY-235959, a competitive N-methyl-D-aspartate (NMDA) receptor antagonist, blocked forced walking stress-induced analgesia in mice aged 4 and 24 weeks, but not in those aged 48 weeks. Naloxone did not antagonize forced walking stress-induced analgesia in mice in any of the age groups. The present study suggests that the degree of forced walking stress-induced analgesia depends on the age of mice and confirms previous findings that forced walking stress-induced analgesia is involved in the nonopioid system via NMDA receptors.
Collapse
Affiliation(s)
- K Onodera
- Department of Dental Pharmacology, Okayama University Graduate School of Medicine and Dentistry, 5-1, Shikata-cho 2-chome, Okayama, 700-8525, Japan.
| | | | | | | | | | | | | |
Collapse
|
32
|
Kamei J, Onodera K, Kawaguchi M, Shibata M, Kagawa M, Wachi M, Kojima J. Toxicological study of a new maintenance fluid, Veen 3G, in rats. Methods Find Exp Clin Pharmacol 2002; 24:493-6. [PMID: 12500428 DOI: 10.1358/mf.2002.24.8.705069] [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] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
A study of the different volume and infusion rates of a new maintenance fluid, Veen 3G, on the general conditions of rats was investigated during the 14 days after infusion. In Experiment I, 100 ml/kg and 200 ml/kg of Veen 3G were infused at a rate of 300 ml/kg/h in male and female rats. Results were compared with those for Gurunon Ringer solution (GRS) in male and female rats. We observed only transient polyuria in animals administered by each dose of Veen 3G and GRS for 0-15 min after infusion. Necropsy was not observed in any of the animals tested 14 days after infusion. In Experiment II, 200 ml/kg of Veen 3G was infused at rates of 200, 400, 800 and 1600 ml/kg/h in male rats. At 800 and 1600 ml/kg/h, irregular respiration and decrease in movement were observed concomitantly with polyuria. Three out of 4 rats died immediately after the infusion of Veen 3G at a rate of 1600 ml/kg/h, and one rat was still alive 14 days after the infusion. In this experiment, 200 ml/kg Veen 3G was safe when we infused at a rate of less than 400 ml/kg/h in male rats. Since this rate is about 27-80 times higher than that used clinically in maintenance treatment, Veen 3G is suggested to be safe, with the exception of polyuria, in clinical situations at the standard infusion rate (5-15 ml/kg/h).
Collapse
Affiliation(s)
- J Kamei
- Department of Pathophysiology and Therapeutics Faculty of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, Hoshi University, Tokyo, Japan
| | | | | | | | | | | | | |
Collapse
|
33
|
Abstract
OBJECTIVE Histopathological and lectin-histochemical characteristics were studied in the lining epithelium of postoperative maxillary cysts (POMC). MATERIALS AND METHODS Histological (HE, PAS, AB), immunohistochemical (CD3 and L26) and lectin (wheat germ agglutinin, WGA; Ulex europaeus agglutinin I, UEA-I; concanavalin A, ConA) stainings were performed in the 360 POMC specimens. The number of goblet cells and inflammatory cells was counted and statistically analyzed. RESULTS The lining epithelium was classified into three types based on histopathological characteristics; pseudostratified ciliated epithelium (pSCE), transitional epithelium (TE) and stratified squamous epithelium (SSE). Local infiltration of inflammatory cells into the cyst wall was associated with an increased number of goblet cells in the lining epithelium. The observed association between the infiltration of inflammatory cells and an increase in the number of goblet cells was statistically significant in groups with lining pSCE and TE. Glycoconjugate histochemical analysis revealed that the surfaces of the lining epithelium with squamous metaplasia showed an increased degree of staining reactivity with UEA-I, whereas the staining reactivity with ConA was reduced. Goblet cells were able to be stained with WGA and UEA-I, but showed extremely low reactivity with ConA. CONCLUSION Changes in the glycoconjugate expression of the metaplastic lining epithelium and goblet cell development play an important role in the local defense mechanisms against inflammatory factors in POMC.
Collapse
Affiliation(s)
- M Maruyama
- Department of Oral Medicine and Bioregulation, Tohoku University Graduate School of Dentistry, Sendai, Miyagi, Japan.
| | | | | |
Collapse
|
34
|
Kojima J, Yamana K, Yanagida S, Ohtani S, Onodera K. Infusion of maintenance fluids with glucose (Veen 3G) is superior to maltose infusion (Actit) in the rate of energy utilization in rabbits. Methods Find Exp Clin Pharmacol 2002; 24:213-6. [PMID: 12092008 DOI: 10.1358/mf.2002.24.4.678453] [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] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
In the present study, we examined the rates of urinary excretion of glucose and maltose after an infusion of maintenance fluid with glucose or maltose in adult rabbits. Three maintenance fluids (sugar-free, 5% glucose [Veen 3G] and 5% maltose [Actit]), which contained different sugars but were identical in electrolyte and acetate compositions and concentrations (Na: 45, K: 17, Mg: 5, Cl: 37, H2PO4: 10 and CH3COO: 20 mEq/l), were used in this study. In addition, the optimum infusion speed for maintenance therapy (10 ml/kg/h) was used. Animals were not given food or water during the 10-day period of administration. The body weights of the animals were measured every day. The concentrations of total protein, albumin, free fatty acids and glucose in the serum were measured. Urine samples for determination of glucose and maltose concentrations were collected from the 1st to 10th administrations. After infusion with 5% maltose, urinary maltose excretion decreased time-dependently, while that of glucose increased. This suggests that maltase activity time-dependently increases after infusion with maltose. In addition, total sugar was only minimally excreted into urine in the 5% glucose group compared with the 5% maltose group. Thus, the glucose infusion was superior to the maltose infusion in the rate of energy utilization. However, neither the loss of body weight nor the increase in concentration of free fatty acids in serum differed significantly among the 3 groups. In conclusion, infusion of maintenance fluid with 5% maltose results in the excretion of maltose and glucose into urine, since enzymatic hydrolysis of maltose to glucose is limited to that by maltase.
Collapse
Affiliation(s)
- J Kojima
- Department of Medical Development, Nikken Chemicals Co., Ltd., Tokyo, Japan.
| | | | | | | | | |
Collapse
|
35
|
|
36
|
|
37
|
|
38
|
Sogawa N, Sogawa CA, Oda N, Onodera K, Furuta H. Involvement of non-mast cell histamine on Ehrlich's ascites carcinoma cell proliferation. Inflamm Res 2002; 51 Suppl 1:S69-70. [PMID: 12013416 DOI: 10.1007/pl00022453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Affiliation(s)
- N Sogawa
- Department of Dental Pharmacology, Okayama University Graduate School of Medicine and Dentistry, Japan.
| | | | | | | | | |
Collapse
|
39
|
Abstract
We investigated the induction of metallothionein (MT) by cadmium (Cd) in the bone tissue of rats. To clarify the cell response to Cd in bone, the isoform-specific expression of MT mRNAs (MT-I and MT-II) was examined by reverse transcriptase-polymerase chain reaction (RT-PCR). Both MT-I and MT-II mRNA levels were increased within 3 h by Cd administration. MT (MT-I/MT-II) localization after single Cd injection were also confirmed by immunohistochemical studies. Notably, MT-positive cells were time-dependently increased, and the positive cells were mainly localized in osteocytes. The cell-specific induction of MT may be associated with Cd accumulation and Cd-induced bone injury in vivo. Furthermore, we also found that MT was consecutively expressed in some osteoclasts of control rats. This finding suggested a new role of osteoclasts in bone metabolism.
Collapse
Affiliation(s)
- N Oda
- Department of Dental Pharmacology, Okayama University Dental School, 2-5-1 Shikata-cho, 700-8525, Okayama, Japan
| | | | | | | | | | | |
Collapse
|
40
|
Sogawa N, Onodera K, Sogawa CA, Mukubo Y, Fukuoka H, Oda N, Furuta H. Bisphenol A enhances cadmium toxicity through estrogen receptor. Methods Find Exp Clin Pharmacol 2001; 23:395-9. [PMID: 11771854 DOI: 10.1358/mf.2001.23.7.662127] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
To clarify the action of estrogenic endocrine disruptors on cadmium (Cd)-induced metallothionein (MT) synthesis in the liver, we investigated the effects of bisphenol A (BPA) on hepatic MT-I mRNA expression and MT contents after Cd injection. Liver damage after Cd injection was assessed by measuring glutamic-pyruvic transaminase (GPT) and glutamic-oxaloacetic transaminase (GOT) activities in the serum. It was found that BPA reduced the Cd-induced expression of MT-I mRNA and MT protein in the liver. The administration of tamoxifen, an estrogen receptor antagonist, prevented the reduction of hepatic MT content by PA. Moreover both the GPT and GOT activities of the BPA-treated groups were higher than those of the control groups. These findings suggest that BPA reduced hepatic MT synthesis after Cd injection via the estrogen receptor which resulted in increased damage to the liver.
Collapse
Affiliation(s)
- N Sogawa
- Department of Dental Pharmacology, Okayama University Graduate School of Medicine and Dentistry, Japan.
| | | | | | | | | | | | | |
Collapse
|
41
|
Onodera K, Takahashi A, Mayanagi H, Wakabayashi H, Kamei J, Shinoda H. Phenytoin-induced bone loss and its prevention with alfacalcidol or calcitriol in growing rats. Calcif Tissue Int 2001; 69:109-16. [PMID: 11683423 DOI: 10.1007/s00223-001-0020-7] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.3] [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] [Indexed: 10/26/2022]
Abstract
Studies were carried out to determine the effects and mechanism of action of phenytoin on the bone metabolism in male rats. Administration of phenytoin, 20 mg/kg/ day for 5 weeks, did not affect the growth curve. Biochemical data indicated that the serum osteocalcin, a marker of bone formation, was decreased significantly but there were no significant differences in the levels of serum calcium, pyridinoline, 25-hydroxyvitamin D3 (25OHD) and parathyroid hormone (PTH) in the phenytoin-treated group compared with the vehicle-treated group. The values of bone mineral density (BMD) were decreased in all regions of bones tested (mandibular head, tibial metaphysis, tibial diaphysis, femoral metaphysis, and femoral diaphysis) in the phenytoin-treated group. In histomorphometric analysis, phenytoin decreased trabecular bone volume and trabecular thickness, and increased osteoclast numbers per area of bone surface in the secondary trabecular bone of the tibia. Additionally, there was no significant difference in osteoid thickness. Combined administration of either alfacalcidol or calcitriol with phenytoin for 5 weeks prevented the reduction of BMD induced by phenytoin. From these findings, it is unlikely that toxic effects on the growth curve caused the decreased BMD induced by phenytoin. It is also evident that repeated administration of phenytoin may cause osteopenia which may be due to bone loss by inhibiting bone formation and/or by accelerating bone resorption rather than osteoid accumulation. The bone loss is not rachitic because of the lack of increase in osteoid thickness. Moreover, combined administration of alfacalcidol or calcitriol with phenytoin showed a preventative effect against bone loss. The bone loss induced by phenytoin in this study may be a convenient model for further research into the problem of drug-induced osteopenia.
Collapse
Affiliation(s)
- K Onodera
- Department of Dental Pharmacology, Okayama University Graduate School of Medicine and Dentistry, Japan
| | | | | | | | | | | |
Collapse
|
42
|
Onodera K, Shibata M, Kojima J, Wachi M, Sogawa N, Furuta H, Kamei J. Toxicity of theophylline depends on plasma concentration by single and also repeated dosing in rats. Pharmacol Res 2001; 44:81-7. [PMID: 11516255 DOI: 10.1006/phrs.2001.0831] [Citation(s) in RCA: 8] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The purpose of this study was to evaluate the relationship between the in vivo toxicity and plasma concentration of theophylline. Theophylline was administered intravenously in single doses ( 50, 100, 150 and 200 mg kg(-1)once a day) or repeated doses (12.5, 25 and 90 mg kg(-1)/day for 28 days) in rats. Plasma concentrations of theophylline increased dose-dependently in both single and repeated doses, and there were no differences due to effects of 28-times repeated administration. Neither single dose at 50 mg kg(-1)nor repeated dose at 12.5 mg kg(-1)/day injections of theophylline showed toxic signs, in which plasma concentrations of theophylline were less than 110 and 22.5 microg ml(-1), respectively. Theophylline induced myocardial fibrosis in 25 mg kg(-1)/day and more treated groups: in which plasma concentrations of theophylline were more than 50 microg ml(-1). At doses of 100 mg kg(-1)(single) and 90 mg kg(-1)/day (repeated), theophylline caused tachypnea and excitement of movement. Each theophylline concentration in plasma was more than 194 microg ml(-1)in single 100 mg kg(-1)and 162 microg ml(-1)in repeated 90 mg kg(-1)/day injections, respectively. Death was observed at a dose of 200 mg kg(-1), in which the plasma concentration of theophylline was more than 264 microg ml(-1). Moreover, the recovery period from signs of toxic poisoning to normality in the 200 mg kg(-1)treated group was greater than that in the 150 mg kg(-1)and less treated groups. The results indicated that the in vivo toxicity of theophylline is highly dependent on plasma concentrations in rats which received single and also repeated doses of theophylline.
Collapse
Affiliation(s)
- K Onodera
- Department of Dental Pharmacology, Okayama University Dental School, Okayama 700-8525, Japan.
| | | | | | | | | | | | | |
Collapse
|
43
|
Sogawa N, Sogawa CA, Oda N, Fujioka T, Onodera K, Furuta H. The effects of ovariectomy and female sex hormones on hepatic metallothionein-I gene expression after injection of cadmium chloride in mice. Pharmacol Res 2001; 44:53-7. [PMID: 11428911 DOI: 10.1006/phrs.2001.0833] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [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] [Indexed: 11/22/2022]
Abstract
Metallothioneins (MTs) have a low molecular weight and have been considered to be important metal-binding proteins in defense from cadmium (Cd) toxicity in animals. These proteins are known to be induced by the injection of heavy metals such as Cd. Previously, we developed the measurement of the MT mRNA expression by the RT-PCR method. In this study, to clarify the relation between Cd-induced MT-I mRNA expression and female sex hormones in liver, we investigated the influences of the ovariectomy and female sex hormones on hepatic MT-I mRNA expression after Cd injection, and also investigated the effects of aging on hepatic MT-I mRNA expression in mice after Cd injection. We analysed the MT-I mRNA expression by the RT-PCR method. Cd-induced MT-I mRNA expression in ovariectomized mice was more than that in sham-operated mice (9 weeks old). Both 17 beta -estradiol and progesterone reduced the Cd-induced MT-I mRNA expression in ovariectomized mice (9 weeks old). Moreover, the MT-I mRNA expression in male mice was more than that of females (9 weeks old). However, the sex difference in the gene expression was not found in younger (4 weeks old) or older (46 weeks old) mice. These results suggest that the expression of hepatic MT-I mRNA after Cd injection is influenced by female sex hormones.
Collapse
Affiliation(s)
- N Sogawa
- Department of Dental Pharmacology, Okayama University Graduate School of Medicine and Dentistry, 2-5-1 Shikata-cho, Okayama 700-8525, Japan.
| | | | | | | | | | | |
Collapse
|
44
|
Sogawa CA, Sogawa N, Yamamoto T, Oda N, Inoue T, Onodera K, Furuta H. Localization of metallothionein (MT) and expression of MT isoforms induced by cadmium in rat dental pulp. Jpn J Pharmacol 2001; 86:65-72. [PMID: 11430474 DOI: 10.1254/jjp.86.65] [Citation(s) in RCA: 8] [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] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
We investigated the induction of metallothionein (MT) by cadmium (Cd) in the dental pulp of rat incisors. Time-course studies of MT mRNA expression after single Cd injection were observed by Northern-blot analysis. The isoform-specific expressions of MT mRNAs (MT-I, MT-II and MT-III) were observed using the reverse transcriptase-polymerase chain reaction (RT-PCR) method. Both MT-I and MT-II mRNA levels increased within 3 h, peaked at 3 h and then decreased. These findings demonstrated that MT-I and MT-II mRNA were rapidly induced by Cd in dental pulp. MT-III mRNA was constitutively expressed in rat dental pulp, but the expression level did not change by Cd treatment. The localization of MT protein in Cd-treated rat dental pulp was determined by immunohistochemical staining using anti-MT antibody against MT-I and MT-II. MT protein was localized in the specific cell type of odontoblasts (secretory odontoblasts and resting odontoblasts). In conclusion, it is likely that stained MT in the immunohistochemical study should be MT-I and/or MT-II. Furthermore, MT-I and/or MT-II in Cd-treated rat dental pulp was localized in odontoblasts, in which accumulation of Cd were reported. The cell-specific synthesis of MT may be associated with its metal storage and detoxification role in dental tissues.
Collapse
Affiliation(s)
- C A Sogawa
- Department of Dental Pharmacology, Okayama University Dental School, Japan.
| | | | | | | | | | | | | |
Collapse
|
45
|
Fukui K, Onodera K, Shinkai T, Suzuki S, Urano S. Impairment of learning and memory in rats caused by oxidative stress and aging, and changes in antioxidative defense systems. Ann N Y Acad Sci 2001; 928:168-75. [PMID: 11795507 DOI: 10.1111/j.1749-6632.2001.tb05646.x] [Citation(s) in RCA: 195] [Impact Index Per Article: 8.5] [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: 11/30/2022]
Abstract
To elucidate the influence of oxidative stress on the brain functions during aging, the cognitive performance ability of rats was assessed by using the water-maze test as an oxidative stress before and after hyperoxia. Young rats showed significantly greater learning ability than both old rats and vitamin-E-deficient rats. Although the memory functions of all rats were Impaired after oxidative stress, the memory retention of young rats was greater than those of other groups. After the stress, none of the rats recovered their learning ability. During aging and through hyperoxia, the release of acetylcholine from nerve terminals was remarkably decreased. Instead, thiobarbituric acid reactive substance (TBARS) contents in rat hippocampus and cebral cortex, and their synaptic membranes, were significantly increased during aging and by oxidative stress. The antioxidative defense system in rat brain was also changed by the stress. These results suggest that oxidative stress may contribute to learning and memory deficits following oxidative brain damage during aging.
Collapse
Affiliation(s)
- K Fukui
- Department of Biological Chemistry, Shibaura Institute of Technology, Tokyo, Japan
| | | | | | | | | |
Collapse
|
46
|
Abstract
Although it is a gross measure, the pinna reflex test is easily administered and is, therefore, incorporated as a general screening tool in mutagenesis programs. Our recent application of this approach indicated that mutant mice lacking one of the small Maf proteins, in this case MafG, failed to exhibit a pinna reflex. In contrast, littermate controls, with the same mixed 129/CD1 background, and including both wild type and heterozygous mutant animals, passed the test. Because previous studies indicate that mafG is expressed in both cochlear and vestibular parts of the mouse inner ear, the source of this 'presumed deafness' was further assessed by making round window recordings to determine compound action potential thresholds. Auditory brainstem responses were also acquired to assess function along portions of the central auditory pathway. In all cases, responses in homozygous mutants (-/-) were comparable to those obtained from littermate controls, either wild type (+/+) or heterozygous mutants (+/-). Gross anatomy of the organ of Corti was also found to be similar in all three groups of mice. Hence, the lack of a pinna reflex must relate to nonauditory causes.
Collapse
Affiliation(s)
- M A Cheatham
- Department of Communication Sciences and Disorders, Molecular and Cell Biology, Northwestern University, Evanston, Ill 60208-3550,
| | | | | | | | | |
Collapse
|
47
|
Abstract
The antinociceptive effect of vitamin K2 (menatetrenone) in diabetic mice was examined using a tail-pressure test. Intraperitoneal injection of menatetrenone (10-100 mg/kg) produced a dose-dependent increase in the nociceptive threshold in diabetic mice. There was no significant difference between non-diabetic and diabetic mice in the menatetrenone-induced changes in the nociceptive threshold. The results suggest the therapeutical usefulness of menatetrenone for treating painful diabetic neuropathy and osteoporosis.
Collapse
Affiliation(s)
- K Onodera
- Department of Dental Pharmacology, Okayama University Dental School, Japan.
| | | | | |
Collapse
|
48
|
Onodera K, Sogawa N, Sogawa C, Furuta H. [The 1999 domestic state of development of anti-asthma]. Nihon Yakurigaku Zasshi 2000; 116:385-94. [PMID: 11188507 DOI: 10.1254/fpj.116.385] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
According to the "Guideline for Diagnosis and Treatment of Asthma" established by the Japanese Society of Allergy in 1998, inhaled adrenergic beta 2 agonists and inhaled corticosteroids are recommended for treatment of asthma. Thereafter, the development of new drugs for the treatment of asthma has begun changing. The concepts upon which the development of investigational drugs for asthma are based include improvements of drug delivery systems (ease of use, long-acting preparations, fewer side-effects), device design and appropriate auxiliary instrumentation. Moreover, chronic asthma has come to be recognized as an inflammatory disease of airway mucosa. At present, various antiallergic compounds such as tachykinin, leucotrien, PAF antagonists and others are under investigation thanks to the identification of new chemical mediators of airway inflammation and studies have progressed to the synthesis and manufacturing of new pharmaceuticals with antagonistic action. Thus, this review classified and introduced various new investigational anti-asthma and further describes the structure-activity relationships of beta 2 agonists and inhaled corticosteroids.
Collapse
Affiliation(s)
- K Onodera
- Department of Dental Pharmacology, Okayama University Dental School, Shikata-cho 2-5-1, Okayama 700-8525, Japan.
| | | | | | | |
Collapse
|
49
|
Abstract
The antinociceptive effect of vitamin K2 (menatetrenone) in mice was examined using tail-flick and formalin test. Menatetrenone at doses of 10, 50 and 100 mg/kg, i.p. produced a dose-dependent and significant inhibition of the tail-flick response in mice. Menatetrenone (50 and 100 mg/kg, i.p.) had no significant effect on the duration of the first phase of the formalin-induced flinching. However, menatetrenone (100 mg/kg, i.p.) significantly inhibited the second phase of the formalin-induced flinching. I.p. administration of menatetrenone (100 mg/kg) significantly reduced the duration of nociceptive responses induced by i.t. injection of bradykinin, but not of substance P, prostaglandin E2 or N-methyl-D-aspartate (NMDA). These present data suggest that i.p. pretreatment with menatetrenone produced dose-dependent antinociceptive effect in mice. This effect may be, at least in part, mediated by the inhibition of bradykinin dependent nociceptive transmission in the spinal cord.
Collapse
Affiliation(s)
- K Onodera
- Department of Pharmacology, School of Dentistry, Tohoku University, Sendai, Japan.
| | | | | | | | | |
Collapse
|
50
|
Sogawa N, Sogawa CA, Oda N, Fujioka T, Onodera K, Furuta H. Induction of metallothionein mRNA expression in the mouse liver after cadmium injection as measured by the reverse transcriptase-polymerase chain reaction method. Methods Find Exp Clin Pharmacol 2000; 22:663-6. [PMID: 11294006 DOI: 10.1358/mf.2000.22.9.802280] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Metallothioneins (MTs) are low molecular weight proteins that have been considered to be important metal-binding proteins in the defense against cadmium (Cd) toxicity in animals. These proteins are known to be induced by the injection of heavy metals such as Cd. Previously, we developed the RT-PCR method to measure the level of MT mRNA expression. In this study, we analyzed the time course and dose response of Cd-induced MT-I mRNA expression in the male and female mouse liver. By this method, we measured hepatic MT-I mRNA expression which reached the highest peak 6 h after subcutaneous injection of 1.1 mg/kg Cd in 9-week old male and female mice compared with those of corresponding controls (0 h). There was no statistical difference in the hepatic MT-I mRNA expression between male and female mice 6 h after the injection of this dosage. However, it is notable that the MT-I mRNA expression in male mice was much higher than that in females 6 h after injection of 0.5 mg/kg Cd. Thus, the induction of hepatic MT-I mRNA expression is dependent on the sex of the mouse, the dosage and the time course of Cd.
Collapse
Affiliation(s)
- N Sogawa
- Department of Dental Pharmacology, Okayama University Dental School, Okayama, Japan.
| | | | | | | | | | | |
Collapse
|