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Murata F, Tsuyama S, Suzuki S, Hamada H, Ozawa M, Muramatsu T. Distribution of Glycoconjugates in the Kidney Studied by Use of Labeled Lectins. J Histochem Cytochem 2016; 31:139-144. [DOI: 10.1177/31.1a_suppl.6186720] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Distribution of glycoconjugates in different areas of the rat kidney was studied by light and electron microscopy using six different horseradish peroxidase-labeled lectins. Glomeruli and brush borders of the proximal tubules reacted differently to these lectins, which indicated differences in the carbohydrate compositions of those regions. The ascending limb of Henle's loop (ALH) had strong binding sites for peanut agglutinin (PNA) and soybean agglutinin (SBA). Dolichos biflorus agglutinin (DBA) did not stain the cells of ALH but did stain those of distal convoluted tubules (DCT). DBA is a good marker for distinguishing ALH from DCT. DBA, PNA, and SBA were also good markers of the collecting duct. Ricinus communis agglutinin (RCA-1) and wheat germ agglutinin (WGA) diffusely stained the various components of different parts of the kidney.
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Affiliation(s)
- F. Murata
- Departments of Anatomy and Biochemistry, Kagoshima University School of Medicine, Kagoshima 890, Japan (OA 82-268S1)
| | - S. Tsuyama
- Departments of Anatomy and Biochemistry, Kagoshima University School of Medicine, Kagoshima 890, Japan (OA 82-268S1)
| | - S. Suzuki
- Departments of Anatomy and Biochemistry, Kagoshima University School of Medicine, Kagoshima 890, Japan (OA 82-268S1)
| | - H. Hamada
- Departments of Anatomy and Biochemistry, Kagoshima University School of Medicine, Kagoshima 890, Japan (OA 82-268S1)
| | - M. Ozawa
- Departments of Anatomy and Biochemistry, Kagoshima University School of Medicine, Kagoshima 890, Japan (OA 82-268S1)
| | - T. Muramatsu
- Departments of Anatomy and Biochemistry, Kagoshima University School of Medicine, Kagoshima 890, Japan (OA 82-268S1)
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Tanaka M, Nagai T, Tsuneyoshi Y, Sunahara N, Matsuda T, Nakamura T, Tsuyama S, Hasui K, FitzGerald O, Matsuyama T. Expansion of a unique macrophage subset in rheumatoid arthritis synovial lining layer. Clin Exp Immunol 2008; 154:38-47. [PMID: 18727628 DOI: 10.1111/j.1365-2249.2008.03733.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
The Z39Ig protein (complement receptor for C3b and iC3b) is expressed on resident tissue macrophages in various tissues. This study was undertaken to examine the distribution of Z39Ig+cells and their phenotypic features in rheumatoid arthritis (RA) synovium, in comparison with those of osteoarthritis (OA) and psoriatic arthritis (PsA) synovium. Monoclonal anti-Z39Ig antibody was produced by immunizing Z39Ig transfected murine pre B cells and used for the identification of Z39Ig+cells. Z39Ig+cells were further stained with antibodies to macrophages, fibroblast-like synoviocytes, complement receptors and dendritic cells by using the double immunostaining method in normal, RA, OA and PsA synovium. RA synovial mononuclear cells were double-stained using anti-Z39Ig and anti-CD11c antibodies and sorted into Z39Ig+CD11c+cells and Z39Ig+CD11c-cells. These cell populations were then analysed by electron microscopy. The expression of the Z39Ig protein was limited to intimal macrophages in normal, RA, OA and PsA synovium. The numbers of Z39Ig+CD11c+cells and the ratios of Z39Ig+CD11c+cells to Z39Ig+cells were increased in the synovial lining layer of RA as compared with those of OA and PsA. The ultrastructural analysis of Z39Ig+CD11c+cells showed the character of macrophages with many secondary lysosomes and swelling of mitochondria. Z39Ig+ cells appeared to be useful for identification of resident tissue macrophages in normal synovium and the corresponding macrophages in the synovial lining layer of inflammatory arthritis. Expansion of Z39Ig+CD11c+cells was characteristic of RA synovial lining layer.
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Affiliation(s)
- M Tanaka
- Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
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Iwaki T, Haranoh K, Inoue N, Kojima K, Satoh R, Nishino T, Wada S, Ihara H, Tsuyama S, Kobayashi H, Wadano A. Expression of foreign type I ribulose-1,5-bisphosphate carboxylase/ oxygenase (EC 4.1.1.39) stimulates photosynthesis in cyanobacterium Synechococcus PCC7942 cells. Photosynth Res 2006; 88:287-97. [PMID: 16741604 DOI: 10.1007/s11120-006-9048-x] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2005] [Accepted: 01/29/2006] [Indexed: 05/09/2023]
Abstract
A reporter gene assay revealed that promoters derived from Synechococcus PCC7942 (S.7942) psbAI and Synechocystis PCC6803 (S.6803) psbAII were suitable for the expression of foreign ribulose-bisphosphate carboxylase (RuBisCO; EC 4.1.1.39) in S.7942 cells. Transformational vectors with a promoter and a foreign RuBisCO gene, cvrbc originated from Allochromatium vinosum, were constructed on a binary vector, pUC303, and introduced to S.7942 cells. When the cvrbc was expressed with the S.7942 psbAI promoter, the total RuBisCO activity increased 2.5- to 4-fold than that of the wild type cell. The S.6803 psbAII promoter increased the activity of the transformant 1.5-2 times of that of wild type cell. There was a significant increase in the rate of photosynthesis depending on the increase of RuBisCO activity. The maximum rate of photosynthesis of the transformant cell was 1.63 times higher than that of the wild type under the illumination of 400 micromol m(-2) s(-1), at 20 mM bicarbonate and at 30 degrees C. Although the photosynthesis of the higher plant is limited by the ability of photosystems under high irradiance and the high CO(2 )concentration, that of the S.7942 cell is limited by the RuBisCO activity, even at high CO(2) concentrations and under high irradiance.
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Affiliation(s)
- T Iwaki
- Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Gakuen-cho 1-2, 599-8231 Osaka, Sakai, Japan.
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Kanekura T, Fukushige T, Kanda A, Tsuyama S, Murata F, Sakuraba H, Kanzaki T. Immunoelectron-microscopic detection of globotriaosylceramide accumulated in the skin of patients with Fabry disease. Br J Dermatol 2005; 153:544-8. [PMID: 16120140 DOI: 10.1111/j.1365-2133.2005.06732.x] [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] [Indexed: 11/29/2022]
Abstract
BACKGROUND Fabry disease is characterized by the systemic accumulation of glycosphingolipids, particularly in the lysosomes of vascular endothelial cells of most organs due to the deficient activity of alpha-galactosidase A. The major glycolipid accumulated in tissue is globotriaosylceramide (GL-3). To date, no direct detection of GL-3 by immunoelectron microscopy has been reported. OBJECTIVES To examine whether GL-3 is accumulated exclusively in lysosomes of cutaneous cells using an anti-GL-3 monoclonal antibody (mAb) and immunoelectron microscopy. METHODS Skin specimens from seven patients with Fabry disease were examined immunohistochemically by light and electron microscopy using an anti-GL-3 mAb. RESULTS By light microscopy, the cytoplasm of vascular endothelial cells, eccrine gland cells, and perineurium was stained with mouse anti-GL-3 antibody. Electron microscopically, positive signals for GL-3 were limited to dilated lysosomes in the cytoplasm of endothelial cells, pericytes, eccrine gland cells, dermal fibroblasts and perineurium. CONCLUSIONS Our results demonstrate that the cytoplasmic deposit in Fabry disease was GL-3 and the accumulated GL-3 was localized essentially to lysosomes.
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Affiliation(s)
- T Kanekura
- Anatomy, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima 890-8520, Japan.
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Wu X, Xin Y, Yao J, Hasui K, Tsuyama S, Yonezawa S, Murata F. Expression of epithelial growth factor receptor and its two ligands, transforming growth factor-alpha and epithelial growth factor, in normal and neoplastic squamous cells in the vulva: an immunohistochemical study. Med Electron Microsc 2001; 34:179-84. [PMID: 11793194 DOI: 10.1007/s007950100013] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2001] [Accepted: 08/14/2001] [Indexed: 11/30/2022]
Abstract
Epithelial growth factor receptor (EGFR) sends signals to the proliferation signal transduction system, receiving two ligands: epithelial growth factor (EGF) and transforming growth factor-alpha (TGF-alpha). This immunohistochemical study examined the roles of EGFR and its ligands in the proliferation of normal and neoplastic vulvar squamous cells in 25 patients with vulvar squamous cell carcinoma (VSCC), 10 patients with vulvar condyloma acuminata (VCA), 15 patients with vulvar intra-epithelial neoplasm I-II or III (VIN I-II or III), and 5 subjects with vulvar normal squamous cells (VNSC). EGFR was detected in a few basal cells in 40% of the VNSC, in highly dysplastic cells in 40% of the VIN III, in many neoplastic cells in 80% of the VCA, and in some malignant cells in 64% of the VSCC. EGF was seen in the cytoplasm in 20% of the VIN I-II, 100% of the VIN III, 100% of the VCA, and 100% of the VSCC. Diffuse TGF-alpha was weakly expressed in the cytoplasm in 100% of the VNSC, more intensely in 100% of the VIN and 100% of the VCA, and intensely in 100% of the VSCC. These findings led to the suggestion that the TGF-alpha-EGFR system maintains the growth of normal squamous cells and, in part, maintains the growth of dysplastic and neoplastic squamous cells in the vulva. EGF expression was an early sign of neoplasia. The expression of EGFR with overexpression of its two ligands contributed to the proliferation of dysplastic and neoplastic squamous cells in VIN III and VCA. EGFR expression appeared to contribute to essential neoplastic abnormalities in 64% of the VSCC.
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Affiliation(s)
- X Wu
- Department of Gynecology, The First Clinical College, China Medical University, Shenyang, China
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Chen X, Kanekura T, Tsuyama S, Murata F, Kanzaki T. Ultrastructural localization of basigin in normal human epidermis. Histochem Cell Biol 2001; 115:465-70. [PMID: 11455446 DOI: 10.1007/s004180100282] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/06/2001] [Indexed: 11/27/2022]
Abstract
Basigin is a glycosylated transmembrane protein belonging to the immunoglobulin superfamily. It is thought to play roles in intercellular recognition involved in cell differentiation. We previously demonstrated at the light microscope level a correlation between basigin expression and epidermal differentiation. In the present study, the ultrastructural localization of basigin in normal human epidermal keratinocytes was investigated by immunoelectron microscopy. The basigin labeling was strongest on membranes of basal cells, weaker on prickle cells, and absent in granular and horny cells. On the membrane of basal cells, labeling was observed on the apical and lateral sides but not on the dermal side. Gold particles were mostly observed on the surface of microvilli, especially on their tips. There were fewer on the intermicrovillous membrane and they were absent on the desmosome. These results are consistent with our previous report that basigin expression is correlated with differentiation of epidermal keratinocytes. Microvilli on basal and suprabasal keratinocytes might play roles in the differentiation of keratinocytes through basigin on the tips of microvilli.
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Affiliation(s)
- X Chen
- Department of Dermatology, Kagoshima University Faculty of Medicine, 8-35-1 Sakuragaoka, Kagoshima, 890-8520, Japan.
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Takenaka S, Sugiyama S, Ebara S, Miyamoto E, Abe K, Tamura Y, Watanabe F, Tsuyama S, Nakano Y. Feeding dried purple laver (nori) to vitamin B12-deficient rats significantly improves vitamin B12 status. Br J Nutr 2001; 85:699-703. [PMID: 11430774 DOI: 10.1079/bjn2001352] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
To clarify the bioavailability of vitamin B12 in lyophylized purple laver (nori; Porphyra yezoensis), total vitamin B12 and vitamin B12 analogue contents in the laver were determined, and the effects of feeding the laver to vitamin B12-deficient rats were investigated. The amount of total vitamin B12 in the dried purple laver was estimated to be 54.5 and 58.6 (se 5.3 and 7.5 respectively) microg/100 g dry weight by Lactobacillus bioassay and chemiluminescent assay with hog intrinsic factor respectively. The purple laver contained five types of biologically active vitamin B12 compounds (cyano-, hydroxo-, sulfito-, adenosyl- and methylcobalamin), in which the vitamin B12 coezymes (adenosyl- and methylcobalamin) comprised about 60 % of the total vitamin B12. When 9-week-old vitamin B12-deficient rats, which excreted substantial amounts of methylmalonic acid (71.7(se 20.2) micromol/d) in urine, were fed the diet supplemented with dried purple laver (10 microg/kg diet) for 20 d, urinary methylmalonic acid excretion (as an index of vitamin B12 deficiency) became undetectable and hepatic vitamin B12 (especially adenosylcobalamin) levels were significantly increased. These results indicate that vitamin B12 in dried purple laver is bioavailable to rats.
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Affiliation(s)
- S Takenaka
- Laboratory of Nutrition and Food Science, Hagoromo-gakuen College, Sakai 592-8344, Japan.
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Abstract
The proton pump H+-K+-ATPase is the final common pathway mediating the production and secretion of hydrochloric acid by gastric parietal cells. The present studies were undertaken to examine whether the expression of gastric H+-K+-ATPase mRNA and protein changes are associated with the development of H+-K+-ATPase activity in the rat fundic gland. H+-K+-ATPase activity was examined in rat fundic gland at different stages from gestational day 18.5 to postnatal 8 weeks. The expression of H+-K+-ATPase mRNA was detected by in situ hybridization using a digoxigenin-labelled RNA probe with a tyramide signal amplification system. The expression of H+-K+-ATPase protein was evaluated by immunoblotting and immunohistochemistry using antibodies against H+-K+-ATPase alpha- and beta-subunits. We found that H+-K+-ATPase enzyme activity was detectable from the onset of gland formation (day 19.5 of gestation) and increased with age in the developing rat fundic gland. Expression of mRNA and protein was also discernible at the same time, and a progressive increase in expressions was observed as rats developed. Our results suggested that in developing rat fundic gland, the expression of both mRNA and protein of H+-K+-ATPase increased with age in a manner that parallels the development of H+-K+-ATPase enzyme activity.
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Affiliation(s)
- D H Yang
- Department of Anatomy, Kagoshima University Faculty of Medicine, Japan
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Duff S, Tsuyama S, Iwamoto T, Fujibayashi F, Birkinshaw C. The crystallisation of blends of syndiotactic polystyrene and polyphenylene ether. POLYMER 2001. [DOI: 10.1016/s0032-3861(00)00440-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [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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Yang DH, Tsuyama S, Hotta K, Katsuyama T, Murata F. Expression of N-acetylglucosamine residues in developing rat fundic gland cells. Histochem J 2000; 32:187-93. [PMID: 10841313 DOI: 10.1023/a:1004051408239] [Citation(s) in RCA: 5] [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: 11/12/2022]
Abstract
The development of rat fundic gland was studied by immunohistochemistry using a recently developed monoclonal antibody, HIK 1083, at both light and electron microscope levels. Antibody HIK 1083 recognized oligosaccharides with a non-reducing terminal alpha-linked N-acetylglucosamine (GlcNAc) residue. In the developing rat fundic gland, cells expressing alpha-GlcNAc residues were discernible from day 19.5 of gestation and continued to exist till adult. The distribution of the alpha-GlcNAc expressing cells was consistent with that described previously for cells reacting to Griffonia simplicifolia lectin (GSA-II) in all developmental stages. These cells were located at the bottom of the fundic gland when they first appeared. With the elongation and maturation of the gland, these cells moved upwards and were finally restricted in the neck region of the gland. Combining previous reports and the present electron microscopical observations, HIK 1083-positive cells in the adult rat fundic gland are mucous neck cells. The interaction between antibody HIK 1083 and GSA-II lectin was investigated. GSA-II prevented the subsequent binding of HIK 1083, while HIK 1083 did not prevent GSA-II binding to mucous neck cells. Our results suggested that alpha-GlcNAc residues exist in rat fundic gland from day 19.5 of gestation and continue to exist till adult. Cells expressing alpha-GlcNAc residues appeared as typical mucous neck cells from postnatal four weeks.
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Affiliation(s)
- D H Yang
- Department of Anatomy, Kagoshima University Faculty of Medicine, Japan
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Hidaka E, Ota H, Katsuyama T, Nakayama J, Momose M, Hidaka H, Ishii K, Murata F, Tsuyama S, Kurihara M, Ishihara K, Hotta K. Coexistence of gland mucous cell-type mucin and lysozyme in gastric gland mucous cells. Histochem Cell Biol 2000; 113:91-8. [PMID: 10766261 DOI: 10.1007/s004180050011] [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] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Class III mucin, identified by paradoxical concanavalin A staining, is confined to gastric gland mucous cells and is an essential component of the gastric surface mucous gel layer. The pretreatment required has hampered the application of this method to electron microscopic studies. Antibody HIK1083 reacts selectively with class III mucins. The present study was undertaken to explore, electron microscopically, the immunoreactivity of the human stomach to HIK1083. We examined normal mucosa from resected human stomachs (five cases; formalin-fixed, paraffin-embedded) and gastric biopsy specimens from patients with early gastric cancer [nine cases; glutaraldehyde- and osmium-fixed, epoxy-embedded (seven cases) and half-strength Karnovsky's solution-fixed, Lowicryl K4M-embedded (two cases)]. Immunostaining with HIK1083 and anti-lysozyme antibody was examined under light and electron microscopes. Gland mucous cells were labeled with HIK1083, and lysozyme was detected in some gland mucous cells and surface mucous cells. Electron microscopically, the secretory granules of gland mucous cells contained a single electron-dense core. HIK1083-positive mucins and lysozyme coexisted in the secretory granules of gastric gland mucous cells. HIK1083-reactive mucins and lysozyme were distributed in the matrix and in the dense core of these secretory granules, respectively. HIK1083 can be used for electron immunohistochemistry.
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Affiliation(s)
- E Hidaka
- Central Clinical Laboratories, Shinshu University Hospital, Nagano, Japan
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Nitta T, Sugihara K, Tsuyama S, Murata F. Immunohistochemical study of MUC1 mucin in premalignant oral lesions and oral squamous cell carcinoma: association with disease progression, mode of invasion, and lymph node metastasis. Cancer 2000; 88:245-54. [PMID: 10640953 DOI: 10.1002/(sici)1097-0142(20000115)88:2<245::aid-cncr1>3.0.co;2-t] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND MUC1 mucin is a transmembrane, mucin-like glycoprotein encoded by the MUC1 gene. Although MUC1 expression has been identified in a variety of neoplastic tissues, to the authors' knowledge, few studies have examined MUC1 expression in premalignant and malignant oral lesions. METHODS A total of 36 specimens of oral epithelial dysplasia, 12 carcinoma in situ (CIS) specimens and 77 specimens of oral squamous cell carcinoma (OSCC), were examined by both light and electron microscopy using immunohistochemical staining of MUC1 mucin. Relations between staining patterns and clinicopathologic findings also were examined. RESULTS Distinct membrane MUC1 mucin staining patterns were identified in epithelial dysplasia (33.0%), CIS (50.0%), and OSCC (59.7%) cases. A predominantly cytoplasmic staining pattern was detected in epithelial dysplasia (5.6%), CIS (41.7%), and OSCC (32.5%) cases. Significant positive correlations were found between MUC1 mucin membranous immunoreactivity and disease progression from epithelial dysplasia to OSCC (P < 0.01), mode of tumor invasion (P < 0.02), and lymph node metastasis (P < 0.01). Furthermore, the malignant transformation of oral epithelium, tumor invasion, and tumor metastasis were associated with higher MUC1 mucin expression in the cytoplasm (P < 0.01). In addition to the usual cell surface expression, cytoplasmic expression of MUC1 mucin was confirmed by colloidal gold labeling with transmission electron microscopy. CONCLUSIONS The results of the current study suggest that determination of MUC1 mucin expression may be a parameter in the diagnosis of premalignant and malignant lesions arising in the oral cavity and that this expression may affect the malignant behavior of OSCC. MUC1 mucin expression may be a useful diagnostic marker for prediction of the invasive/metastatic potential of OSCC.
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Affiliation(s)
- T Nitta
- First Department of Oral and Maxillofacial Surgery, Kagoshima University Dental School, Kagoshima, Japan
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Havashi K, Tsuyama S. Characteristic change with quantitative computed tomography (qct) method concerning bone mineral density (BMD) under hormone replacement therapy (HRT). Int J Gynaecol Obstet 2000. [DOI: 10.1016/s0020-7292(00)84639-1] [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: 10/26/2022]
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Abstract
Fabry disease is an X-linked inborn error of glycosphingolipid catabolism resulting from a deficiency of lysosomal alpha-galactosidase activity. Globotriaosylceramide accumulates predominantly in lysosomes of various tissues. Former studies have clarified the nature of this disease, and the accumulated materials in the lysosomes have been analyzed using biochemical techniques. In the present study, transmission electron microscopy was used to reveal the fine structure of these lysosomal deposits, and sugar residues in the lysosomal deposits in Fabry disease were examined by lectin histochemistry combined with enzyme digestion. This is the first report to describe the lysosomal sugar residues in Fabry disease analyzed using lectin histochemistry at the ultrastructural level. With these techniques, we were able to detect alpha-galactosyl, beta-galactosyl and glucosyl sugar residues in the lysosomal deposits. The experimental procedures used in this study have considerable potential for use in investigations of glycolipid and glycoprotein storage diseases without the need for complex methodology and expensive materials.
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Affiliation(s)
- A Kanda
- Department of Dermatology, Faculty of Medicine, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima 890-8520, Japan.
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Tsuyama S, Yamazaki E, Tomita T, Ihara H, Takenaka S, Kato K, Kozaki S. Characterization of a novel monoclonal antibody that senses nitric oxide-dependent activation of soluble guanylate cyclase. FEBS Lett 1999; 455:291-4. [PMID: 10437791 DOI: 10.1016/s0014-5793(99)00884-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [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: 10/18/2022]
Abstract
Two monoclonal antibodies (mAbs) against bovine lung soluble guanylate cyclase (sGC) were prepared and characterized. mAb 3221 recognized both the alpha- and beta-subunits of sGC and had greater binding affinity to the enzyme in the presence of NO. mAb 28131 recognized only the beta-subunit and its affinity did not change with NO. Neither mAb cross-reacted with particulate GC. Cultured Purkinje cells from rats were treated with S-nitroso-N-acetylpenicillamine, an NO donor, and examined by immunocytochemical methods. The immunoreactivity associated with mAb 3221 increased with the cGMP content in a crude extract of cerebellum and the NO2 generated in the culture medium increased.
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Affiliation(s)
- S Tsuyama
- Department of Veterinary Science, Osaka Prefecture University, Sakai, Japan
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Abstract
Using a high electron resolution staining method, cationic colloidal gold (CCG, pH 1.0) staining, we studied the fine structural localization of sulfated glycosaminoglycans (GAGs) in various maturational stages of guinea pig neutrophils. Azurophil and specific granules of neutrophils reacted positively to CCG, with variety in labeling according to maturation. All immature azurophil and specific granules were labeled selectively. Mature granules lost their affinity with CCG. CCG-positive labeling was also observed in the trans to trans-most Golgi apparatus of promyelocytes and myelocytes. Prior absorption with poly-l-lysine prevented CCG labeling of tissue sections. Mild methylation of ultrathin sections at 37C did not alter CCG labeling, whereas CCG labeling disappeared after active methylation at 60C. Treatment with chondroitinase ABC or heparinase I abolished the majority of CCG labeling. These findings suggest the existence of sulfated GAGs not only in immature azurophil but also in immature specific granules of neutrophils. Sulfation of GAGs occurs in the trans- to trans-most Golgi apparatus of neutrophil granulocytes. A possible correlation between accumulation of sulfated GAGs and maturation of specific granules in neutrophils is also discussed.
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Affiliation(s)
- D H Yang
- Department of Anatomy, Faculty of Medicine, Kagoshima University, Kagoshima, Japan
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Tsuyama S, Fujita H, Hijikata R, Okamoto H, Takenaka S. Effects of mono-ADP-ribosylation on cytoskeletal actin in chromaffin cells and their release of catecholamine. Int J Biochem Cell Biol 1999; 31:601-11. [PMID: 10399320 DOI: 10.1016/s1357-2725(99)00007-2] [Citation(s) in RCA: 3] [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] [Indexed: 10/17/2022]
Abstract
To better understand the physiological role of mono-ADP-ribosylation in animals, we examined its role in chromaffin cells. Monoclonal antibodies against rat brain ADP-ribosylhydrolase were prepared, one of which (9E7) completely inhibited the enzyme's activity with ADP-ribosylated actin as the substrate. After actin monomers were polymerized by the addition of Mg2+, mono-ADP-ribosylation induced actin depolymerization. After mono-ADP-ribosylation, the actin monomers did not polymerize by the addition of Mg2+. Polymerized actin cosedimented with chromaffin granules but mono-ADP-ribosylated actin did not. After ADP-ribosylhydrolase on the membrane of chromaffin granules was incubated with 9E7, mono-ADP-ribosylated actin did not cosediment with chromaffin granules. When chromaffin cells permeabilized with saponin were incubated with NAD and 9E7, actin and rho protein was mono-ADP-ribosylated and stimulated catecholamine release from the cells. In histochemical experiments, catecholamine and actin filaments disappeared when the permeabilized chromaffin cells were treated with NAD and 9E7. These findings indicate that mono-ADP-ribosylation breaks the actin barrier in order to move granules during exocytosis, and ADP-ribosylactin hydrolase may keep the granules within the actin barrier.
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Affiliation(s)
- S Tsuyama
- Department of Veterinary Science, Osaka Prefecture University, Japan.
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Abstract
We examined the presence of sialyl glycoconjugates in specific granules from murine bone marrow eosinophils. Lectin cytochemistry using Maackia amurensis lectin II (MAL II) specific for sialyl alpha-2,3 galactose residues demonstrated positive labeling in both immature and mature specific granules. Pretreatment with Clostridium neuraminidase or keratanase II eliminated the positive labeling of MAL II in the specific granules. High iron diamine-thiocarbohydrazide-silver proteinate physical development (HID-TCH-SP-PD) staining, which is specific for sulfated glycoconjugates, also positively labeled immature specific granules lacking crystalloids but not mature granules with crystalloids. Pretreatment with a combination of chondroitinase ABC and keratanase, or a combination of chondroitinase ABC and keratanase II, eliminated the positive labeling obtained with HID-TCH-SP-PD. These results indicate that the sialyl residues detected by MAL II are expressed as terminal sugar residues of keratan sulfate proteoglycan, which appears to be of the corneal type in view of its sensitivity to keratanase and keratanase II. (J Histochem Cytochem 47:481-488, 1999)
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Affiliation(s)
- J Ohmori
- Department of Anatomy, Kagoshima University, Faculty of Medicine, Sakuragaoka, Kagoshima
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19
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Miyauchi M, Tsuyama S, Yang DH, Ohmori J, Kato K, Nakayama J, Katsuyama T, Murata F. Ontogeny of the rat parietal cell: analysis using anti-parietal cell antibody and transmission electron microscopy. Kaibogaku Zasshi 1999; 74:197-207. [PMID: 10361406] [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: 02/12/2023]
Abstract
We studied the ontogeny of the rat parietal cell using human anti-parietal cell antibody and transmission electron microscopy. In the gastric fundus of the rat, we found that the epithelium changed from stratified to columnar at gestational day 18.5. Gastric pits began to form at gestational day 19.5. Primitive fundic glands appeared at gestational day 20.5. Human anti-parietal cell antibody specifically stained the rat parietal cells. By this immunohistochemical staining, rat parietal cells were identified from gestational day 19.5. At first we observed only a few plump parietal cells sparsely located in the fundic glands. In neonatal rats, the parietal cells increased in number and began to distribute themselves over a wider area of the primitive fundic glands especially in the lower half. As the rats grew, the distribution area of the parietal cells expanded to cover the whole of the glands except for the foveolar region. Parietal cells in the isthmus and neck regions were round and plump, while those in the basal region were slender and polygonal. We found that throughout the development of the fundic glands there were several ultrastructural changes of the parietal cells. In the late fetal period, parietal cells containing lysosomes and secretory granules were observed, but no tubulovesicles were identified. Development of the tubulovesicles was remarkable until one week after birth. The ultrastructure of the parietal cells of the neonate and adult varied, depending on their distribution area. We found that parietal cells in the basal region of the fundic glands which are fully matured cells had wider intracellular secretory canaliculi, while cells in the upper region had narrower canaliculi; this indicates the functional difference between hydrochloric acid secretion in parietal cells of the two regions.
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Affiliation(s)
- M Miyauchi
- Department of Anatomy, Kagoshima University Faculty of Medicine, Japan
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20
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Abstract
ADP-ribosyl cyclase, which catalyzes the conversion from NAD+ to cyclic adenosine diphosphoribose (cADPR), is proposed to participate in cell cycle regulation in Euglena gracilis. This enzyme, which was found as a membrane-bound protein, was purified almost the homogeneity after solubilization with deoxycholate, and found to be a monomeric protein with a molecular mass of 40 kDa. Its Km value for NAD+ was estimated to be 0.4 mM, and cADPR, a product of the enzyme, inhibited the enzyme competitively with respect to NAD+ whereas another product, nicotinamide, showed noncompetitive (mixed-type) inhibition. In contrast to mammalian CD38 and BST-1, Euglena ADP-ribosyl cyclase lacked cADPR hydrolase activity.
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Affiliation(s)
- W Masuda
- Department of Applied Biological Chemistry, Osaka Prefecture University, Sakai, Osaka, 599-8531, Japan
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21
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Matsuno A, Nagashima T, Osamura R, IKE H, TAMADA Y, IIJIMA N, HAYASHI S, TANAKA M, ISHIHARA A, HASEGAWA M, SUWA F, IBATA Y, IZUMI SI, SENBA Y, SHIN M, HISHIKAWA Y, KOJI T, IWASAKA T, UMEMURA S, KAKIMOTO K, TAKAHASHI A, KOIZUMI H, OSAMURA R, Yamashita S, Takayanagi A, Shimizu N, ISHIZUYA-OKA A, UEDA S, Komiyama A, Katoh R, Yokoyama A, Kawaoi A, Torihashi S, Tsuyama S, Yang DH, Murata F, TAJIMA H, ITOH M, TAKAHASHI S, ISHIDA H, SAITO S, KAWAKAMI H, HIRANO H, DAIMON T, KAWAI K, KATAOKA K, SUZAKI E, Ito K, Hoshida M, Hayashi M, Ito A, YANG DH, Tsuyama S, Murata F, MORIOKA K, Takano-Ohmuro H, ANDOH N, OHTANI H, NAGURA H, MIYOSHI N, KARAYA K, WATANABE M, FUKUDA M, Kobayashi T, Okada T, Seguchi H, Ueda T, Ishikawa Y, Tsukinoki K, Imaizumi T, Miyoshi Y, Yamamoto T, Watanabe Y, Karakida K, Iwasa M, Noriki S, Imamura Y, Fukuda M, KOMIYAMA K, Okaue M, Oda Y, SATO J, OKANO T, MORO R, ITO A, HAYASHI M, HOSHIDA M, ITO K, CHIDA K, MITSUMOTO Y, MORIGUCHI M, NAKAJIMA T, HIKITA H, OKANOUE T, ASHIHARA T, SUGIHARA H, HATTORI T, Hosokawa Y, Arai S, Ashihara T, Tani N, Taniguchi H, Nakanishi M, Sakakura C, Mazaki T, Tsuchihashi Y, Yamagishi H, Nakamura N, Katoh R, Miyagi E, Suzuki K, Hemmi A, SAKAMOTO Y, ITO T, OKUDELA K, KITAMURA H, NAKANO KY, IYAMA KI, Date F, Sasano H, Nagura H, FURUTA H, YOKOYAMA K, MASUDA S, TAKAMATSU T, TAJIMA Y, KAWASAKI M, OHNO J, KUSAMA K, MARUYAMA S, UCHIDA K. Abstracts. Acta Histochem Cytochem 1999. [DOI: 10.1267/ahc.32.535] [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: 11/22/2022] Open
Affiliation(s)
| | | | | | | | | | - Norio IIJIMA
- Dept of Anatomy & Neurobiol., Kyoto Pref. Univ. of Med
| | - Seiji HAYASHI
- Dept of Anatomy & Neurobiol., Kyoto Pref. Univ. of Med
| | - Masaki TANAKA
- Dept of Anatomy & Neurobiol., Kyoto Pref. Univ. of Med
| | - Akihiko ISHIHARA
- Laboratory of Neurochemistry, Faculty of Integrated human Studies, Kyoto University
| | | | | | | | - Shin-ichi IZUMI
- Department of Histology and Cell Biology, Nagasaki University School of Medicine
| | - Yuko SENBA
- Department of Histology and Cell Biology, Nagasaki University School of Medicine
| | - Masashi SHIN
- Department of Histology and Cell Biology, Nagasaki University School of Medicine
| | - Yoshitaka HISHIKAWA
- Department of Histology and Cell Biology, Nagasaki University School of Medicine
| | - Takehiko KOJI
- Department of Histology and Cell Biology, Nagasaki University School of Medicine
| | - Toshiki IWASAKA
- Department of Pathology, Tokai University School of Medicine
- Toxicology Research Laboratories, JAPAN TOBACCO Inc
| | - Shinobu UMEMURA
- Department of Pathology, Tokai University School of Medicine
| | - Kochi KAKIMOTO
- Department of Pathology, Tokai University School of Medicine
- Toxicology Research Laboratories, JAPAN TOBACCO Inc
| | | | | | | | | | | | - Nobuyoshi Shimizu
- Department of Molecular Biology, Keio University, School of Medicine
| | - Atsuko ISHIZUYA-OKA
- Department of Histology and Neurobiology, Dokkyo University School of Medicine
| | - Shuichi UEDA
- Department of Histology and Neurobiology, Dokkyo University School of Medicine
| | - Akira Komiyama
- Central Laboratory, Yamanashi Medical University
- Department of Pathology, Yamanashi Medical University
| | - Ryohei Katoh
- Department of Pathology, Yamanashi Medical University
| | | | - Akira Kawaoi
- Department of Pathology, Yamanashi Medical University
| | | | | | - D-H. Yang
- Dept. Anat., Fac. Med., Kagoshima Univ
| | - F. Murata
- Dept. Anat., Fac. Med., Kagoshima Univ
| | - Hikaru TAJIMA
- Departments of Internal Medicine, Kyorin University School of Medicine
| | - Masataka ITOH
- Departments of Internal Medicine, Kyorin University School of Medicine
| | | | - Hitoshi ISHIDA
- Departments of Internal Medicine, Kyorin University School of Medicine
| | - Syouzou SAITO
- Departments of Internal Medicine, Kyorin University School of Medicine
| | | | | | - Tateo DAIMON
- Department of Anatomy, School of Medicine, Teikyo University
| | - Kazuhiro KAWAI
- Department of Anatomy, School of Medicine, Teikyo University
| | - Katsuko KATAOKA
- Department of Anatomy, Hiroshima University School of Medicine
| | - Etsuko SUZAKI
- Department of Anatomy, Hiroshima University School of Medicine
| | - Kinji Ito
- Department of Pathology School of Medicine, Toho University
| | - Minako Hoshida
- Department of Legal Medicine School of Medicine, Toho University
| | - Michiko Hayashi
- Department of Legal Medicine School of Medicine, Toho University
| | - Athuko Ito
- Department of Legal Medicine School of Medicine, Toho University
| | - Dong-Hua YANG
- Department of Anatomy, Faculty of Medicine, Kagoshima University
| | | | - Fusayoshi Murata
- Department of Anatomy, Faculty of Medicine, Kagoshima University
| | - Kiyokazu MORIOKA
- Department of Clinical Genetics, The Tokyo Metropolitan Institute of Medical Science
| | | | - Noriaki ANDOH
- Department of Pathology, Tohoku University Graduate School of Medical Science
| | - Haruo OHTANI
- Department of Pathology, Tohoku University Graduate School of Medical Science
| | - Hiroshi NAGURA
- Department of Pathology, Tohoku University Graduate School of Medical Science
| | - Norio MIYOSHI
- Departments of Pathology, National Basic Biology Institute
| | - Kazuhiro KARAYA
- Biochemistry, Fulcui Medical University, Fukui; National Basic Biology Institute
| | | | - Masaru FUKUDA
- Departments of Pathology, National Basic Biology Institute
| | | | - Teruhiko Okada
- Department of Anatomy and Cell Biology, Kochi Medical School
| | | | | | | | | | | | | | | | | | | | - M Iwasa
- Department of Pathology, Fukui Medical School
| | - S Noriki
- Department of Pathology, Fukui Medical School
| | - Y Imamura
- Department of Pathology, Fukui Medical School
| | - M Fukuda
- Department of Pathology, Fukui Medical School
| | - Kazuo KOMIYAMA
- Department of Pathology and Oral Surgery, Nihon University School of Dentistry
| | - Masahiro Okaue
- Department of Pathology and Oral Surgery, Nihon University School of Dentistry
| | - Yasuyuki Oda
- Department of Pathology and Oral Surgery, Nihon University School of Dentistry
| | - Junichi SATO
- Department of Pathology and Oral Surgery, Nihon University School of Dentistry
| | - Tadao OKANO
- Department of Pathology, Tobu Regional Hospital
| | - Ram MORO
- Department of Pathology and Oral Surgery, Nihon University School of Dentistry
| | - Atsuko ITO
- Department of Legal Medicine, Toho University, School of Medicine
| | - Michiko HAYASHI
- Department of Legal Medicine, Toho University, School of Medicine
| | - Minako HOSHIDA
- Department of Legal Medicine, Toho University, School of Medicine
| | - Kinji ITO
- 2nd Department of Pathology, Toho University, School of Medicine
| | - Kohsuke CHIDA
- Department of Anatomy, Kitasato University, School of Allied Health Sciences
| | - Yasuhide MITSUMOTO
- Third Department of Internal Medicine, Kyoto Prefectural University of Medicine
- First Department of Pathology, Kyoto Prefectural University of Medicine
| | - Michihihsa MORIGUCHI
- Third Department of Internal Medicine, Kyoto Prefectural University of Medicine
- First Department of Pathology, Kyoto Prefectural University of Medicine
| | - Tomoki NAKAJIMA
- Third Department of Internal Medicine, Kyoto Prefectural University of Medicine
- First Department of Pathology, Kyoto Prefectural University of Medicine
| | - Hiroshi HIKITA
- Third Department of Internal Medicine, Kyoto Prefectural University of Medicine
- First Department of Pathology, Kyoto Prefectural University of Medicine
| | - Takeshi OKANOUE
- Third Department of Internal Medicine, Kyoto Prefectural University of Medicine
- First Department of Pathology, Kyoto Prefectural University of Medicine
| | - Tsukasa ASHIHARA
- First Department of Pathology, Kyoto Prefectural University of Medicine
| | | | | | | | | | | | - Naoki Tani
- Department of Surgery, Kyoto Prefecctural University of Medicine
| | - Hiroki Taniguchi
- Department of Surgery, Kyoto Prefecctural University of Medicine
| | | | - Chouhei Sakakura
- Department of Surgery, Kyoto Prefecctural University of Medicine
| | - Takeshi Mazaki
- Hospital Department of Pathology, Kyoto Prefecctural University of Medicine
| | | | | | | | - Ryohei Katoh
- Department of Pathology, Yamanashi Medical University
| | - Eri Miyagi
- Department of Pathology, Yamanashi Medical University
| | - Koich Suzuki
- Department of Pathology, Yamanashi Medical University
| | - Akihiro Hemmi
- Department of Pathology, Yamanashi Medical University
| | - Yoshika SAKAMOTO
- Department of Pathology, Yokohama City University School of Medicine
| | - Takaaki ITO
- Department of Pathology, Yokohama City University School of Medicine
| | - Koji OKUDELA
- Department of Pathology, Yokohama City University School of Medicine
| | - Hitoshi KITAMURA
- Department of Pathology, Yokohama City University School of Medicine
| | - Kan-yu NAKANO
- Department of Surgical Pathology, Kumamoto University School of Medicine
| | - Ken-ichi IYAMA
- Department of Surgical Pathology, Kumamoto University School of Medicine
| | - Fumiko Date
- Dept. of Pathology Tohoku University Gradient School of Medical Since
| | - Hironobu Sasano
- Dept. of Pathology Tohoku University Gradient School of Medical Since
| | - Hiroshi Nagura
- Dept. of Pathology Tohoku University Gradient School of Medical Since
| | - Hirokazu FURUTA
- Department of Pathology and Cell Regulation, Kyoto Prefectural University of Medicine
| | - Keiichi YOKOYAMA
- Department of Pathology and Cell Regulation, Kyoto Prefectural University of Medicine
| | - Shinsuke MASUDA
- Department of Pathology and Cell Regulation, Kyoto Prefectural University of Medicine
| | - Tetsuro TAKAMATSU
- Department of Pathology and Cell Regulation, Kyoto Prefectural University of Medicine
| | - Y. TAJIMA
- Departments of Oral Pathology, Meikai University School of Dentistry
| | - M. KAWASAKI
- Departments of Oral Pathology, Meikai University School of Dentistry
| | - J. OHNO
- Departments of Oral Pathology, Meikai University School of Dentistry
| | - K. KUSAMA
- Departments of Oral Pathology, Meikai University School of Dentistry
| | - S. MARUYAMA
- Departments of Dental Pharmacology, Meikai University School of Dentistry
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22
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Yang DH, Tsuyama S, Ohmori J, Murata F. Sulphated glycosaminoglycans in guinea pig eosinophils studied by means of cationic colloidal gold. Histochem J 1998; 30:687-92. [PMID: 9870769 DOI: 10.1023/a:1003461722910] [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: 11/12/2022]
Abstract
Using bone marrow embedded in hydrophilic resin Lowicryl K4M and cationic colloidal gold pH 1.0 labelling, we studied sites of sulphation and sulphated glycosaminoglycans ultrastructurally in various maturational stages of both eosinophil granulocytes and eosinophil granules of guinea pig. Eosinophil granules reacted positively to cationic gold, the pattern of labelling varying according to the degree of cell maturation. The formation of eosinophil granules takes place throughout the myelocyte stage. Early eosinophil myelocytes contain a large Golgi apparatus with active granulogenesis, while late ones contain a small and less active Golgi apparatus. All the immature granules were labelled positively. However, mature granules with a central crystal bar lost their affinity towards colloidal gold. Interestingly, strong colloidal gold labelling was also observed in the trans to transmost Golgi apparatus, especially in immature eosinophil granulocytes. This indicates that sulphation of glycosaminoglycans occurs in the trans to transmost Golgi apparatus of eosinophil granulocytes. Prior absorption with poly-L-lysine prevented colloidal gold labelling of tissue sections. Methylation of sections at 37 degrees C did not alter the gold labelling, whereas the labelling disappeared after methylation at 60 degrees C. Prior treatment with chondroitinase ABC or heparinase I abolished the majority of colloidal gold labelling in immature eosinophil granules. Taking these results together, we conclude that immature eosinophil granules contain sulphated glycosaminoglycans including chondroitin sulphate or heparan sulphate or both.
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Affiliation(s)
- D H Yang
- Department of Anatomy, Faculty of Medicine, Kagoshima University, Sakuragaoka, Japan
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23
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Ge YB, Ohmori J, Tsuyama S, Yang DH, Kato K, Miyauchi M, Murata F. Immunocytochemistry and in situ hybridization studies of pepsinogen C-producing cells in developing rat fundic glands. Cell Tissue Res 1998; 293:121-31. [PMID: 9634604 DOI: 10.1007/s004410051104] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [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: 11/28/2022]
Abstract
The ontogeny of pepsinogen C-producing cells in rat fundic glands was studied by means of light and electron microscopy using an antiserum raised against a synthetic peptide based on rat pepsinogen C. To confirm the immunocytochemistry results, the expression of rat pepsinogen C messenger RNA (mRNA) in the fundic gland was also examined by in situ hybridization using a digoxigenin-labeled RNA probe. In adult rats, pepsinogen C was produced by chief cells, mucous neck cells, and intermediate mucopeptic cells. Pepsinogen C-producing cells appeared in embryos as early as 18.5 days' gestation. The development of these cells could be classified into four stages: (1) 18.5 days' gestation to 0.5 days after birth; (2) 0.5 days to 2 weeks after birth; (3) 3-4 weeks after birth; (4) 4-8 weeks after birth. In embryos and young animals, pepsinogen C-producing cells were mucopeptic cells. By 4 weeks after birth, mucous neck cells could be distinguished morphologically. The maturation stages of the chief cells could be traced by electron microscopy along the longitudinal axis of the rat fundic gland by double-staining with anti-pepsinogen C antibody and periodic acid-thiocarbohydrazide-silver proteinate. Positive reactions for pepsinogen C and pepsinogen C mRNA expression were detected in mucous neck cells. Therefore, we conclude that mucous neck cells are precursor cells of chief cells. Mucous neck cells, intermediate cells, and chief cells are in the same differentiating cell lineage.
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Affiliation(s)
- Y B Ge
- Department of Anatomy, Faculty of Medicine, Kagoshima University, Kagoshima 890, Japan
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24
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Yamaji R, Murakami C, Takenoshita M, Tsuyama S, Inui H, Miyatake K, Nakano Y. The intron 5-inserted form of rat erythropoietin receptor is expressed as a membrane-bound form. Biochim Biophys Acta 1998; 1403:169-78. [PMID: 9630610 DOI: 10.1016/s0167-4889(98)00037-8] [Citation(s) in RCA: 5] [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: 02/07/2023]
Abstract
The cDNA encoding an intron 5-inserted form of the erythropoietin receptor (I5Epo-R) has been cloned from rat. DNA sequence analysis reveals that the insertion of intron 5, which consists of 79 bp, causes a shift in reading frame and results in termination in the region of exon 7. The deduced amino acid sequence is composed of 316 amino acid residues, which is a molecular weight of 34220. To study the function of rat I5Epo-R, we established a Chinese hamster ovary cell line expressing rat I5Epo-R. Western blot analysis and binding studies with 125I-recombinant human erythropoietin showed that the transfected cells expressed rat I5Epo-R with a molecular size of 36 kDa as a membrane-bound form, but not as a soluble form, and had a single class of binding sites with a Kd of 700 pM.
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Affiliation(s)
- R Yamaji
- Department of Applied Biological Chemistry, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
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25
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Yang DH, Tsuyama S, Ohmori J, Murata F. Sulfated glycosaminoglycans in guinea pig basophils studied by means of cationic colloidal gold. Histochem Cell Biol 1998; 109:189-94. [PMID: 9541466 DOI: 10.1007/s004180050217] [Citation(s) in RCA: 3] [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] [Indexed: 02/07/2023]
Abstract
Bone marrow embedding in the hydrophilic resin, Lowicryl K4M, followed by cationic colloidal gold (CCG, pH 1.0) staining was used to study the sulfated glycosaminoglycans (GAGs) and their sites of sulfation ultrastructurally in various maturational stages of both basophil granulocytes and basophil granules in the guinea pig. CCG at pH 1.0 is specific for sulfated GAG staining. Basophil granulocytes and granules reacted positively to CCG with a variety of staining according to the stage of maturation. The formation of basophil granules takes place throughout the myelocyte stage. Early basophil myelocytes contain a large Golgi apparatus with active granulogenesis, while late myelocytes contain a small and less active Golgi apparatus as judged by CCG staining. All the immature granules and some of the granules with characteristic ultrastructure stained positively. However, some of the mature granules had lost their affinity for CCG upon maturation. Interestingly, strongly positive CCG staining was also observed in the trans to transmost Golgi apparatus. This indicates that sulfation of GAGs occurs in the trans to transmost Golgi apparatus in all maturational stages of basophil granulocytes. Treatment with chondroitinase ABC or heparinase I abolished the majority of CCG staining.
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Affiliation(s)
- D H Yang
- Department of Anatomy, Faculty of Medicine, Kagoshima University, Sakuragaoka, Japan
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26
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Yamaji R, Ohnishi Y, Sakamoto M, Takenoshita M, Ohta M, Tsuyama S, Watanabe F, Inui H, Miyatake K, Nakano Y. Alpha 2-adrenoceptor-mediated antisecretory effect of hypoxia in conscious rats. Biosci Biotechnol Biochem 1998; 62:546-9. [PMID: 9571785 DOI: 10.1271/bbb.62.546] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [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: 02/07/2023]
Abstract
Gastric acid secretion is suppressed, resulting in a significant rise in gastric pH, when conscious rats are exposed to hypoxia (Yamaji et al., 1996). When adrenal medullectomized rats were exposed to moderate (10.5% O2) hypoxia for 3 h, gastric acid secretion was restored to nearly the level in normoxia by the adrenal medullectomy. In severe (7.6% O2) hypoxia, the operation also caused an increase in the level of gastric acid output, although the extent was lower than that under 10.5% O2 hypoxic conditions. Gastric pH was normalized by the operation even with 7.6% O2 hypoxia. Similar results were obtained when reserpine, which causes an adrenergic discharge, was administered. When an alpha 2-adrenoceptor blocking agent, yohimbine, was administered, the inhibitory effect of 10.5% and 7.6% O2 hypoxia on gastric acid secretion was almost completely removed. However, neither prazosin (an alpha 1-adrenoceptor blocker) nor propranolol (a beta-adrenoceptor blocker) showed any significant effects on gastric acid output in hypoxia. These results indicate that acute hypoxia stimulated the adrenergic response from the adrenal medulla, and that gastric acid secretion was consequently suppressed through alpha 2-adrenoceptor.
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Affiliation(s)
- R Yamaji
- Department of Applied Biological Chemistry, Osaka Prefecture University, Japan
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27
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Matsuo E, Furuno Y, Komatsu A, Maekawa S, Murata K, Kikuchi T, SHIODA S, NAKAI Y, Yamashita S, NAGATA H, TAKEKOSHI S, HASEGAWA H, ITOH J, YAMAMOTO Y, WATANABE K, FUSHIKI S, KINOSHITA C, NAGATA A, MAEDA T, TOKUNAGA Y, MATSUMURA H, KITAHAMA K, SETO-OHSHIMA A, KAWAMURA N, TSUCHIHASHI Y, MATSUMOTO T, MITSUFUJI S, TOKITA K, MARUYAMA K, KODAMA T, ISEKI S, MABUCHI Y, MARUYAMA H, SAKUMA E, SOJI T, OKADA T, KOBAYASHI T, ZINCHUK VS, SEGUCHI H, DAIMON T, OGUNI M, SETOGAWA T, SEMBA R, NOGUCHI T, KATOU K, SASANO H, KIKUCHI A, NAGURA H, Tsuyama S, Yang DH, Ohmori J, Ge YB, Murata F, FUJIMOTO T, UNE T, SHIOYA M, KOGO H, YOKOTA S, KURONO C, MABUCHI Y, SAKUMA E, SOJI T, WATABIKI T, YOSHIDA M, OKII Y, YOSHIMURA S, TOKIYASU T, AKANE A, INOUE S, NAITO I, SENO S, MAKIDONO C, NAITO I, INOUE S, TOKUNAGA Y, TOKUNAGA S, IMAI S, MAEDA T, Kawai N, INOKUCHI T, KONDO T, OHTA K, ANNOH H, ISHIBASHI Y, Yasuda M, Okabe T, Takekoshi S, Hasegawa H, Itoh J, Osamura Y, Watanabe K, TAIUZAWA T, SAITO T, YASHIRO T. Abstracts. Acta Histochem Cytochem 1998. [DOI: 10.1267/ahc.31.136] [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: 11/22/2022] Open
Affiliation(s)
- Eiichi Matsuo
- Department of Pathology, Kyorin University School of Medicine
| | - Yukihiro Furuno
- Department of Pathology, Kyorin University School of Medicine
| | - Akio Komatsu
- Department of Pathology, Kyorin University School of Medicine
| | - Suguru Maekawa
- Department of Pathology, Kyorin University School of Medicine
| | | | - Taiyou Kikuchi
- Department of Pathology, Kyorin University School of Medicine
| | - Seiji SHIODA
- Department of Anatomy, Showa University School of Medicine
| | | | | | | | | | | | - J. ITOH
- Lab. for Struct/Funct. Res, TOkal Univ
| | - Y. YAMAMOTO
- Res. Center for Advanced Scl. and Technol., Unlv. of Tokyo
| | | | - Shinji FUSHIKI
- Department of Dynamic Pathology, Research Institute for Neurological Diseases and Geriatrics, Kyoto Prefectural University of Medicine
| | - Chikako KINOSHITA
- Department of Dynamic Pathology, Research Institute for Neurological Diseases and Geriatrics, Kyoto Prefectural University of Medicine
| | - Akihiro NAGATA
- Department of Dynamic Pathology, Research Institute for Neurological Diseases and Geriatrics, Kyoto Prefectural University of Medicine
| | | | | | | | - Kunio KITAHAMA
- Japan and Department of Experimental Medicine, Claude Bernard University
| | | | - Noriko KAWAMURA
- Institute for Developmental Research, Aichi Human Service Center
| | | | - Takahiro MATSUMOTO
- The 3rd Department of Internal Medicine, Kyoto Prefectural University of Medicine
| | - Shoji MITSUFUJI
- The 3rd Department of Internal Medicine, Kyoto Prefectural University of Medicine
| | - Kazuhiko TOKITA
- The 3rd Department of Internal Medicine, Kyoto Prefectural University of Medicine
| | - Kyohei MARUYAMA
- The 3rd Department of Internal Medicine, Kyoto Prefectural University of Medicine
| | - Tadashi KODAMA
- The 3rd Department of Internal Medicine, Kyoto Prefectural University of Medicine
| | - Shoichi ISEKI
- Deptatment of Anatomy, School of Mecicine, Kanazawa University
| | - Yoshio MABUCHI
- The let Dept. of Anatomy, Nagoya City Univ. Medical School
| | | | - Eisuke SAKUMA
- The let Dept. of Anatomy, Nagoya City Univ. Medical School
| | - Tsuyoshi SOJI
- The let Dept. of Anatomy, Nagoya City Univ. Medical School
| | - Teruhiko OKADA
- Department of Anatomy and Cell Biology, Kochi Medical School
| | | | | | | | - Tateo DAIMON
- Department of Anatomy, School of Medicine, Teikyo University
| | - Masami OGUNI
- Department of Ophthalmology, Shimane Medical University Department of Anatomy, Mie University School ofMedicine
| | - Tomoichi SETOGAWA
- Department of Ophthalmology, Shimane Medical University Department of Anatomy, Mie University School ofMedicine
| | - Reiji SEMBA
- Department of Ophthalmology, Shimane Medical University Department of Anatomy, Mie University School ofMedicine
| | - Tetsuya NOGUCHI
- The Departments of Intemal medicine (III) and Pathology (II), Tohoku university school of medicine
| | - Katsuaki KATOU
- The Departments of Intemal medicine (III) and Pathology (II), Tohoku university school of medicine
| | - Hironobu SASANO
- The Departments of Intemal medicine (III) and Pathology (II), Tohoku university school of medicine
| | - Akihiko KIKUCHI
- The Departments of Intemal medicine (III) and Pathology (II), Tohoku university school of medicine
| | - Hiroshi NAGURA
- The Departments of Intemal medicine (III) and Pathology (II), Tohoku university school of medicine
| | - S Tsuyama
- Dept. Anat., Fac. Ned., Kagoshima Univ
| | - D-H Yang
- Department of Anatomy and Cell Biology, Gunma University School of Medicine
| | - J Ohmori
- Department of Anatomy and Cell Biology, Gunma University School of Medicine
| | - Y-B Ge
- Department of Anatomy and Cell Biology, Gunma University School of Medicine
| | - F Murata
- Department of Anatomy and Cell Biology, Gunma University School of Medicine
| | | | - Tomoko UNE
- Biological Laboratory, Yamanashi Medical University
| | | | - Hiroshi KOGO
- Biological Laboratory, Yamanashi Medical University
| | - Sadaki YOKOTA
- Department of Anatomy, Nagoya City University Medical School
| | - Chieko KURONO
- Department of Anatomy, Nagoya City University Medical School
| | - Yoshio MABUCHI
- Department of Anatomy, Nagoya City University Medical School
| | - Eisuke SAKUMA
- Department of Anatomy, Nagoya City University Medical School
| | - Tsuyoshi SOJI
- Department of Anatomy, Nagoya City University Medical School
| | | | | | - Yutaka OKII
- Department of Legal Medicine, Kansai Medical University
| | | | | | - Atsushi AKANE
- Department of Legal Medicine, Kansai Medical University
| | - Satoko INOUE
- Division of Ultrastructural Biology, Shigei Medical Research Institute
| | - Ichiro NAITO
- Division of Ultrastructural Biology, Shigei Medical Research Institute
| | - Satimaru SENO
- Division of Ultrastructural Biology, Shigei Medical Research Institute
| | | | | | | | - Yoshimitsu TOKUNAGA
- Departments of Anatomy and Fundamental Nursing, Shiga University of Medical Science
| | - Shoko TOKUNAGA
- Departments of Anatomy and Fundamental Nursing, Shiga University of Medical Science
| | - Shinji IMAI
- Departments of Anatomy and Fundamental Nursing, Shiga University of Medical Science
| | - Toshihiro MAEDA
- Departments of Anatomy and Fundamental Nursing, Shiga University of Medical Science
| | - Norio Kawai
- Department of Anatomy, Aichi Medical University
| | | | | | - Keisuke OHTA
- Department of Anatomy, Kurume University School of Medicine
| | | | | | - Masanori Yasuda
- Department of Pathology and Labolatories of Structure and Function Research
| | - Tsuyoshi Okabe
- Department of Pathology and Labolatories of Structure and Function Research
| | - Susumu Takekoshi
- Department of Pathology and Labolatories of Structure and Function Research
| | | | | | - Yoshiyuki Osamura
- Department of Pathology and Labolatories of Structure and Function Research
| | - Keiichi Watanabe
- Department of Pathology and Labolatories of Structure and Function Research
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28
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Zhou X, Kudo A, Kawakami H, Hirano H, FAYED M, MAKITA T, SUZAKI E, KATAOKA K, Katsumata O, Fujimoto K, Yamashina S, USUDA N, JOHKURA K, SUGANUMA T, SAWAGUCHI A, NAGAIKE R, KAWANO JI, OINUMA T, Izumi SI, Iwamoto M, Shin M, Nakano PK, Ueda T, Ishikawa Y, Kubo E, Miyoshi N, Fukuda M, Akagi Y, Miki H, Nakajima M, Yuge K, Taomoto M, Tsubura A, Shikata N, Senzaki H, MASUDA A, NAGAOKA T, OYAMADA M, TAKAMATSU T, Furuta H, Hata Y, Yokoyama K, Takamatsu T, Itoh J, Takumi I, Kawai K, Serizawa A, Sanno N, Teramoto A, Osamura R, MATSUTA M, MATSUTA M, I N, TAKAHASHI S, KAWABE K, LIEBER MM, JENKINS RB, SASANO HIRONOBU, IINO KAZUMI, SUZUKI TAKASHI, NAGURA HIROSHI, Ge YB, Ohmori J, Tsuyama S, Yang DH, Murata F, JOHKURA K, LIANG Y, MATSUI T, NAKAZAWA A, HIGUCHI S, MATSUSHITA Y, Naritaka H, Kameya T, Sato Y, Inoue H, Otani M, Kawase T, KUROOKA Y, NASU K, KAMEYAMA S, MORIYAMA N, YANO J, TSUJIMOTO G, Matsushita T, Oyamada M, YAMAMOTO H, MATSUURA J, NOMURA T, SASAKI J, NAWA T, KITAZAWA R, KITAZAWA S, KASIMOTO H, MAEDA S, WATANABE J, Mino K, KONDO K, KANAMURA S, Ueki T, Takeuchi T, Nishimatsu H, Kajiwara T, Moriyama N, Kawabe K, Tominaga T, Kobayashi KI, Minei S, Okada Y, Yamanaka Y, Ichinose T, Hachiya T, Hirano D, Ishida H, Okada K, HASEGAWA H, WATANABE K, ITOH J, HASEGAWA H, UMEMURA S, YASUDA M, TAKEKOSHI S, OSAMURA R, WATANABE K, TAKEDA K, HOSHI T, KATO K, OHARA S, KONNO R, ASAKI S, TOYOTA T, TATENO H, NISHIKAWA S, SASAKI F, Ito Y, Matsumoto K, Daikoku E, Otsuki Y, SANO M, UMEZAWA A, ABE H, FUKUMA M, SUZUKI A, ANDO T, HATA JI. Abstracts. Acta Histochem Cytochem 1998. [DOI: 10.1267/ahc.31.143] [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: 11/22/2022] Open
Affiliation(s)
| | | | | | | | - M.H. FAYED
- Department of Anatomy, Faculty of Veterinary Medicine Tanta University
- Department of Veterinary Anatomy, Faculty of Agriculture, Yamaguchi University
| | - T. MAKITA
- Department of Veterinary Anatomy, Faculty of Agriculture, Yamaguchi University
| | - Etsuko SUZAKI
- Department of Anatomy, Hiroshima University School of Medicine
| | - Katsuko KATAOKA
- Department of Anatomy, Hiroshima University School of Medicine
| | | | | | | | - Nobuteru USUDA
- Department of Anatomy and Cell Biology, Shinshu University School of Medicine
| | - Kohhei JOHKURA
- Department of Anatomy and Cell Biology, Shinshu University School of Medicine
| | | | | | | | | | | | - Shin-ichi Izumi
- Department of Histology and Coll Biology, Nmgmeaki University School of Medicine
| | | | - Masashi Shin
- Department of Histology and Coll Biology, Nmgmeaki University School of Medicine
| | | | | | | | | | | | | | | | - H. Miki
- Department of Ophthalmology and Pathology, Kansai Medical University
| | - M. Nakajima
- Department of Ophthalmology and Pathology, Kansai Medical University
| | - K. Yuge
- Department of Ophthalmology and Pathology, Kansai Medical University
| | - M. Taomoto
- Department of Ophthalmology and Pathology, Kansai Medical University
| | - A. Tsubura
- Department of Ophthalmology and Pathology, Kansai Medical University
| | - N. Shikata
- Department of Ophthalmology and Pathology, Kansai Medical University
| | - H. Senzaki
- Department of Ophthalmology and Pathology, Kansai Medical University
| | - Atsushi MASUDA
- Department of Pathology and Cell Regulation, Kyoto Prefectural University of Medicine
| | - Takanori NAGAOKA
- Department of Pathology and Cell Regulation, Kyoto Prefectural University of Medicine
| | - Masahito OYAMADA
- Department of Pathology and Cell Regulation, Kyoto Prefectural University of Medicine
| | - Tetsuro TAKAMATSU
- Department of Pathology and Cell Regulation, Kyoto Prefectural University of Medicine
| | - Hirokazu Furuta
- Department of Pathology and Cell Regulation, Kyoto Prefectural University of Medicine
| | - Yoshinobu Hata
- Department of Pathology and Cell Regulation, Kyoto Prefectural University of Medicine
| | - Keiichi Yokoyama
- Department of Pathology and Cell Regulation, Kyoto Prefectural University of Medicine
| | - Tetsuro Takamatsu
- Department of Pathology and Cell Regulation, Kyoto Prefectural University of Medicine
| | | | | | - K. Kawai
- Div of Diag Pathol Tokai Univ Sch of Med
| | | | | | | | | | | | | | - Nishiya I
- Departments of Obstetrics and Gynecology
| | - Satoru TAKAHASHI
- Department of Urology, Faculty of Medicine, The University of Tokyo
| | - Kazuki KAWABE
- Department of Urology, Faculty of Medicine, The University of Tokyo
| | | | | | - HIRONOBU SASANO
- Department of Pathology, Tohoku University School of Medicine
| | - KAZUMI IINO
- Department of Pathology, Tohoku University School of Medicine
| | - TAKASHI SUZUKI
- Department of Pathology, Tohoku University School of Medicine
| | - HIROSHI NAGURA
- Department of Pathology, Tohoku University School of Medicine
| | - Y-B Ge
- Department of Anatomy, Faculty of Medicine, Kagoshima University
| | - J. Ohmori
- Department of Anatomy, Faculty of Medicine, Kagoshima University
| | - S. Tsuyama
- Department of Anatomy, Faculty of Medicine, Kagoshima University
| | - D-H Yang
- Department of Anatomy, Faculty of Medicine, Kagoshima University
| | - F. Murata
- Department of Anatomy, Faculty of Medicine, Kagoshima University
| | - Kohei JOHKURA
- Department of Anatomy and Cell Biology, Shinshu University School of Medicine
| | - Yan LIANG
- Department of Anatomy and Cell Biology, Shinshu University School of Medicine
| | - Toshifumi MATSUI
- Department of Geriatric Medicine, Tohoku University School of Medicine
| | - Ayami NAKAZAWA
- Department of Anatomy and Cell Biology, Shinshu University School of Medicine
| | - Susumu HIGUCHI
- National Institute of Alcoholism, National Kurihama Hospital
| | | | - Heiji Naritaka
- Department of Pathology, Kitasato University, Department of Neurosurgery, Keio University
| | - Toru Kameya
- Department of Pathology, Kitasato University, Department of Neurosurgery, Keio University
| | - Yuichi Sato
- Department of Pathology, Kitasato University, Department of Neurosurgery, Keio University
| | - Hiroshi Inoue
- Department of Pathology, Kitasato University, Department of Neurosurgery, Keio University
| | - Mitsuhiro Otani
- Department of Pathology, Kitasato University, Department of Neurosurgery, Keio University
| | - Takeshi Kawase
- Department of Pathology, Kitasato University, Department of Neurosurgery, Keio University
| | - Yuji KUROOKA
- Department of Uroloby, Faculty of Medicine, The University of Tokyo
| | - Kimio NASU
- Department of Molecular Biology, Reserch Laboratories, Nippon Shinyaku Co. Ltd
| | - Shuji KAMEYAMA
- Department of Uroloby, Faculty of Medicine, The University of Tokyo
| | - Nobuo MORIYAMA
- Department of Uroloby, Faculty of Medicine, The University of Tokyo
| | - Junichi YANO
- Department of Molecular Biology, Reserch Laboratories, Nippon Shinyaku Co. Ltd
| | - Gozo TSUJIMOTO
- Division of Pediatric Pharmacology, National Children's Medical Reserch Center
| | - Tsutomu Matsushita
- Department of Pathology and Cell Regulation, Kyoto Prefectural University of Medicine
| | - Masahito Oyamada
- Department of Pathology and Cell Regulation, Kyoto Prefectural University of Medicine
| | - Hitoshi YAMAMOTO
- Department of Oral Anatomy, School of Dentistry, Iwate Medical University
| | - Junko MATSUURA
- Department of Anatomy, Okayama University Medical School
| | - Takako NOMURA
- Department of Anatomy, Okayama University Medical School
| | - Junzo SASAKI
- Department of Anatomy, Okayama University Medical School
| | - Tokio NAWA
- Department of Oral Anatomy, School of Dentistry, Iwate Medical University
| | | | | | - Hideyoshi KASIMOTO
- Department of Pathology
- Department of Orthopaedic Surgery, Kobe University School of Medicine
| | | | - Jun WATANABE
- Department of Anatomy, Kansai Medical University
| | - Kazuto Mino
- Department of Anatomy, Kansai Medical University
| | | | | | - Tetsuo Ueki
- Department of Urology, Faculty of Medicine, The University of Tokyo Department of Urology, Mitsui Memorial Hospital
| | - Takumi Takeuchi
- Department of Urology, Faculty of Medicine, The University of Tokyo Department of Urology, Mitsui Memorial Hospital
| | - Hiroaki Nishimatsu
- Department of Urology, Faculty of Medicine, The University of Tokyo Department of Urology, Mitsui Memorial Hospital
| | - Takahiro Kajiwara
- Department of Urology, Faculty of Medicine, The University of Tokyo Department of Urology, Mitsui Memorial Hospital
| | - Nobuo Moriyama
- Department of Urology, Faculty of Medicine, The University of Tokyo Department of Urology, Mitsui Memorial Hospital
| | - Kazuki Kawabe
- Department of Urology, Faculty of Medicine, The University of Tokyo Department of Urology, Mitsui Memorial Hospital
| | - Takashi Tominaga
- Department of Urology, Faculty of Medicine, The University of Tokyo Department of Urology, Mitsui Memorial Hospital
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - M. YASUDA
- Dept of Pathol Tokai Univ Sch of Med
| | | | | | | | - Kazuo TAKEDA
- Department of Anatomy, Kansai Medical University
| | - Tatsuya HOSHI
- Departments of Pathology, Medicine and Obstetrics and Gynecology, the Tohoku University School of Medicine
| | - Katsuaki KATO
- Departments of Pathology, Medicine and Obstetrics and Gynecology, the Tohoku University School of Medicine
| | - Shuichi OHARA
- Departments of Pathology, Medicine and Obstetrics and Gynecology, the Tohoku University School of Medicine
| | - Ryo KONNO
- Departments of Pathology, Medicine and Obstetrics and Gynecology, the Tohoku University School of Medicine
| | - Shigeru ASAKI
- Departments of Pathology, Medicine and Obstetrics and Gynecology, the Tohoku University School of Medicine
| | - Takayoshi TOYOTA
- Departments of Pathology, Medicine and Obstetrics and Gynecology, the Tohoku University School of Medicine
| | - Hiroo TATENO
- Departments of Pathology, Medicine and Obstetrics and Gynecology, the Tohoku University School of Medicine
| | - Sumio NISHIKAWA
- Department of Biology, Tsurumi University School of Dental Medicine
| | - Fumie SASAKI
- Department of Biology, Tsurumi University School of Dental Medicine
| | - Yuko Ito
- Department of Anatomy and Biology, Osaka Medical College
| | | | - Eriko Daikoku
- Department of Anatomy and Biology, Osaka Medical College
| | | | - Makoto SANO
- Department of Pathology, Keio University School of Medicine
| | | | - Hitoshi ABE
- Department of Pathology, Keio University School of Medicine
| | - Mariko FUKUMA
- Department of Pathology, Keio University School of Medicine
| | - Atsushi SUZUKI
- Department of Pathology, Keio University School of Medicine
| | - Takashi ANDO
- Department of Pathology, Keio University School of Medicine
| | - Jun-ichi HATA
- Department of Pathology, Keio University School of Medicine
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29
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Abstract
Many cell functions and aspects of cell configuration are linked with changes in cytoskeletal proteins, by intracellular signal transduction. Histochemical and pathophysiological changes caused by toxins or drugs affect on dynamic aspects of cytoskeletal proteins. Here we review that biochemical and molecular biological properties of the microtubules and microfilaments and the relationships between these cytoskeletal proteins and the toxic effects of drugs and toxins. The intracellular signaling pathway makes use of cytoskeletal proteins.
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Affiliation(s)
- S Tsuyama
- Department of Veterinary Science, Osaka Prefecture University, Japan
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30
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Masuda W, Takenaka S, Tsuyama S, Tokunaga M, Yamaji R, Inui H, Miyatake K, Nakano Y. Inositol 1,4,5-trisphosphate and cyclic ADP-ribose mobilize Ca2+ in a protist, Euglena gracilis. Comp Biochem Physiol C Pharmacol Toxicol Endocrinol 1997; 118:279-83. [PMID: 9467880 DOI: 10.1016/s0742-8413(97)00173-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Inositol 1,4,5-trisphosphate (InsP3) and cyclic ADP-ribose (cADPR) released Ca2+ from microsome fraction prepared from Euglena gracilis in dose-dependent manners. Caffeine, which also induced Ca2+ release from the microsomes, caused desensitization of the Ca2+ response to cADPR, although the Ca2+ response to InsP3 was not affected by caffeine. Further, ruthenium red inhibited the Ca2+ release induced by cADPR, but not by InsP3. These results suggest that cADPR functions as an endogenous messenger to activate a caffeine-sensitive, Ca(2+)-release mechanism, whereas InsP3 induces Ca2+ release by a distinct mechanism in E. gracilis.
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Affiliation(s)
- W Masuda
- Department of Applied Biological Chemistry, Osaka Prefecture University, Japan
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31
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Okamoto H, Fujita H, Matsuyama S, Tsuyama S. Purification, characterization, and localization of an ADP-ribosylactin hydrolase that uses ADP-ribosylated actin from rat brains as a substrate. J Biol Chem 1997; 272:28116-25. [PMID: 9346967 DOI: 10.1074/jbc.272.44.28116] [Citation(s) in RCA: 3] [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] [Indexed: 02/05/2023] Open
Abstract
Mammalian ADP-ribosylation is poorly understood. An ADP-ribosylprotein hydrolase that acted on ADP-ribosylated actin was purified from rat brain. The molecular weight of this enzyme was 62, 000 as determined by SDS-polyacrylamide gel electrophoresis and gel filtration. Enzyme activity with ADP-ribosylated actin as a substrate was inhibited by NAD, ATP, ADP, and ADP-ribose, but not by AMP. Mg2+ increased Vmax. Purified ADP-ribosylactin hydrolase catalyzed the hydrolysis of ADP-ribosylated subunits Gsalpha, Gialpha, and Goalpha and elongation factor-2. After de-ADP-ribosylation by the purified ADP-ribosylactin hydrolase, the proteins were re-ADP-ribosylated by brain mono-ADP-ribosyltransferases and bacterial toxins. The actin that was de-modified by ADP-ribosylactin hydrolase could form actin filaments. Two kinds of monoclonal antibodies against ADP-ribosylactin hydrolase were prepared and characterized. In an immunohistochemical study, the plasma membranes and cytoplasmic regions of the nerve cells in the rat brain were immunoreactive. In subcellular fractionation of the brains, most of the ADP-ribosylactin hydrolase activity was found in the cytosol and synaptosome fractions. When the synaptosomes were treated with a hypotonic solution, ADP-ribosylactin hydrolase activity was found in the supernatant. Our findings suggest that brain ADP-ribosylactin hydrolase has the important function of polymerizing actin for signal transduction in the cytosol of nerve cells and synaptosomes.
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Affiliation(s)
- H Okamoto
- Laboratory of Molecular Biology, Department of Veterinary Science, Osaka Prefecture University, 1-1 Gakuen-cho, Sakai, Osaka 593, Japan
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32
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Abstract
Soluble guanylate cyclase (sGC) consisting of two different subunits (alpha: Mr = 74,000, beta: Mr = 69,000) was purified more than 12,000-fold in terms of specific activity from the supernatant of bovine lung homogenates and characterized. The heme content determined with the pyridine hemochromogen method and Bradford's protein assay was 0.8 heme per dimer. Cholera, pertussis, and botulinum C3 toxins modified exclusively the beta-subunit of sGC, yielding the ADP-ribose-bound compound with 1:1 stoichiometry, and Vmax for the cyclase reaction was increased 10 times by this modification. When the ADP-ribosylation of sGC was performed simultaneously with two or three bacterial toxins which have distinct amino acid specificities, the resultant enzyme had only one ADP-ribose, and the activity was the same as that of the enzyme modified with one toxin. When NO was incorporated into the reaction mixture containing the ADP-ribosylated sGC, the cyclase activity noticeably increased by approximately the same amount as that seen for the unmodified enzyme. Such effects were not seen with CO. When ADP-ribosylated sGC was incubated with Mn2+, the enzyme activity was synergistically increased. The heme-deleted sGC was also ADP-ribosylated by bacterial toxins and its activity was raised. These findings suggest that sGC has an ADP-ribosylation site near the GTP binding site, like other GTP-binding proteins, and that the beta-subunit regulates the activity.
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Affiliation(s)
- T Tomita
- The Graduate University for Advanced Studies and Institute for Molecular Science, Okazaki National Research Institute
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33
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Tomita T, Ogura T, Tsuyama S, Imai Y, Kitagawa T. Effects of GTP on bound nitric oxide of soluble guanylate cyclase probed by resonance Raman spectroscopy. Biochemistry 1997; 36:10155-60. [PMID: 9254612 DOI: 10.1021/bi9710131] [Citation(s) in RCA: 64] [Impact Index Per Article: 2.4] [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: 02/05/2023]
Abstract
Soluble guanylate cyclase (sGC) was isolated from bovine lung, and its resonance Raman (RR) spectra were investigated for the reduced, CO-bound (CO-sGC), NO-bound (NO-sGC), oxidized, and oxidized NO-bound forms in the presence and absence of GTP. The enzyme was purified by more than 12 000-fold in terms of specific activity than the supernatant of homogenates, and the heme content was determined with the pyridine hemochoromogen method and Bradford's protein assay to be 0.8 per heterodimer (alpha, Mr = 74 000; beta, Mr = 69 000). The RR spectra of sGC and CO-sGC including the Fe-His stretch at 203 cm-1 and the Fe-CO stretch at 473 cm-1 were unaltered by binding of GTP and cGMP, but apparent RR spectra of NO-sGC in the presence of GTP changed with time and concentrations of GTP. In the absence of GTP, the RR bands of the N-O stretch (nuNO) and the Fe-NO stretch (nuFe-NO) were observed at 1681 and 521 cm-1, respectively. In its presence, however, two nuNO bands were observed at 1700 and 1681 cm-1, which exhibited 15NO isotopic frequency shifts of 32 and 34 cm-1, respectively. Similar Raman spectral changes were observed with the same amount of cGMP but not with PPi or GTP analogues including ATP, GMPPNP, and GTPgammaS. This suggests that GTP or cGMP binds to the distal side of the heme in the proximity of bound NO, possibly regulating NO binding.
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Affiliation(s)
- T Tomita
- The Graduate University for Advanced Studies and Institute for Molecular Science, Okazaki National Research Institutes, Myodaiji, Okazaki, 444 Japan
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34
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Moriyama M, Nakanishi Y, Tsuyama S, Kannan Y, Ohta M, Sugano T. Change from beta- to alpha-adrenergic glycogenolysis induced by corticosteroids in female rat liver. Am J Physiol 1997; 273:R153-60. [PMID: 9249544 DOI: 10.1152/ajpregu.1997.273.1.r153] [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: 02/05/2023]
Abstract
The conversion of beta- to alpha-adrenergic glycogenolysis by corticosteroids was studied in perfused livers of mature female rats. Isoproterenol stimulated glucose production more effectively in female rats than in male rats, but the difference in its stimulatory effect disappeared in adrenalectomized (ADX) rats, whereas it remained in adrenodemedulated rats. When ADX female rats were treated with dexamethasone sulfate, alpha-responses increased and beta-responses decreased, depending on the concentration of dexamethasone sulfate. The treatment of female rats with 1.5 mg/kg dexamethasone sulfate changed the levels of the alpha- and beta-responses to those observed in male rats, and the changes were associated with changes in the number of receptors. Although periodicity of changes in plasma corticosterone levels was observed in both male and female rats, the extent of circadian variations was significantly lower in female rats during the estrous cycle than in male rats. The variations in plasma corticosterone levels and in both alpha- and beta-responses after ovariectomy approached those in male rats. The results suggest that the level of plasma corticosterone might play an important role in the regulation of the relative levels of alpha- and beta-adrenergic responses in female rats.
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MESH Headings
- Adrenal Medulla/physiology
- Adrenalectomy
- Animals
- Cell Membrane/metabolism
- Cells, Cultured
- Corticosterone/blood
- Dexamethasone/pharmacology
- Female
- Glucagon/pharmacology
- Glucocorticoids/pharmacology
- Glucose/metabolism
- Isoproterenol/pharmacology
- Lactates/metabolism
- Liver/drug effects
- Liver/metabolism
- Liver Glycogen/metabolism
- Male
- Ovariectomy
- Oxygen Consumption/drug effects
- Phenylephrine/pharmacology
- Pyruvates/metabolism
- Rats
- Rats, Sprague-Dawley
- Receptors, Adrenergic, alpha/drug effects
- Receptors, Adrenergic, alpha/metabolism
- Receptors, Adrenergic, beta/drug effects
- Receptors, Adrenergic, beta/metabolism
- Reference Values
- Sex Characteristics
- Vasopressins/pharmacology
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Affiliation(s)
- M Moriyama
- Department of Veterinary Physiology, College of Agriculture, Osaka Prefecture University, Japan
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35
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Yang DH, Tsuyama S, Ge YB, Wakamatsu D, Ohmori J, Murata F. Proliferation and migration kinetics of stem cells in the rat fundic gland. Histol Histopathol 1997; 12:719-27. [PMID: 9225154] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The proliferation and migration of stem cells in the developing and adult rat fundic gland have been studied using BrdU immunohistochemistry and BrdU-GSA II (Griffonia-simplicifolia agglutinin-II) double staining. In the developing rat fundic gland, stem cells were first scattered throughout all levels of the epithelia and then concentrated in the depth of the pits. With the elongation and maturation of the fundic glands, stem cells left the gland base and moved upward. By 4 weeks after birth, the development of the fundic gland was completed and stem cells were confined to a narrow proliferative zone in the isthmus, reaching the adult distribution pattern. In the adult rat fundic gland, stem cells in the isthmus differentiated and migrated upward and downward, replacing the surface mucous cells and glandular cells respectively. For upward migration, it took about one week for stem cells to migrate from the isthmus to the surface. For downward migration, it took about two weeks for stem cells to migrate from the isthmus to the neck, and it took 30-36 weeks to reach the gland unit's blind end. Finally stem cells were lost at the deepest level of the glands. The results obtained by simple topographical distribution in the present experiment agreed well with those obtained by quantitative analysis, suggesting the usefulness of BrdU immunohistochemistry for cell kinetic studies.
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Affiliation(s)
- D H Yang
- Department of Anatomy, Faculty of Medicine, Kagoshima University, Japan
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36
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Ge YB, Yang DH, Ohmori J, Tsuyama S, Kim BS, Kim JB, Murata F. Cationic colloidal gold staining of acidic glycoconjugates in mouse Paneth cells. Arch Histol Cytol 1997; 60:133-42. [PMID: 9232177 DOI: 10.1679/aohc.60.133] [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] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The acidic glycoconjugates of mouse ileum Paneth cells were examined with the aid of light and electron microscopy, using cationic colloidal gold (CCG) as a probe. Specimens of mouse ilea were fixed in half-strength Karnovsky's fixative and embedded in Lowicryl K4M resin. Semithin and ultrathin sections were cut of examination with light and electron microscopy, respectively. Examination of the sections using light microscopy revealed the positive staining of CCG at pH 1.0 and pH 2.5, which was detected at the rim of secretory granules and at the supranuclear regions of the Paneth cells. At pH 4.0, in addition to staining of the secretory granule rim, weak staining was observed in the granule core. At pH 7.2, the cytoplasm other than secretory granules exhibited positive CCG staining. Examination of the sections using electron microscopy, at pH 1.0, the trans lamellae of the Golgi apparatus, the rim of the secretory granules, and lysosomes were labeled selectively by CCG. At pH 2.5, labeling was also discernible over the same structures in the cells. However, at this pH, the labeling intensity was stronger than that at pH 1.0, due to the dual labeling of sulfated and sialylated glycoconjugates in these structures. At pH 4.0, the Golgi apparatus, rims and cores of secretory granules and ribosomes were labeled. Lysosomes and nuclei were also positively stained. At pH 7.2, the rims of secretory granules were not stained. The present results indicate that the CCG method gives good resolution and contrast when applied to staining, and therefore is useful for the specific staining of glycoconjugates such as sulfated, sialylated and phosphated glycoconjugates for light and electron microscopy.
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Affiliation(s)
- Y B Ge
- Department of Anatomy, Faculty of Medicine, Kagoshima University, Japan
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37
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Masuda W, Takenaka S, Inageda K, Nishina H, Takahashi K, Katada T, Tsuyama S, Inui H, Miyatake K, Nakano Y. Oscillation of ADP-ribosyl cyclase activity during the cell cycle and function of cyclic ADP-ribose in a unicellular organism, Euglena gracilis. FEBS Lett 1997; 405:104-6. [PMID: 9094434 DOI: 10.1016/s0014-5793(97)00168-3] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.4] [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: 02/04/2023]
Abstract
In Euglena gracilis, the activity of ADP-ribosyl cyclase, which produces cyclic ADP-ribose, oscillated during the cell cycle in a synchronous culture induced by a light-dark cycle, and a marked increase in the activity was observed in the G2 phase. Similarly, the ADP-ribosyl cyclase activity rose extremely immediately before cell division started, when synchronous cell division was induced by adding cobalamin (which is an essential growth factor and participates in DNA synthesis in this organism) to its deficient culture. Further, cADPR in these cells showed a maximum level immediately before cell division started. A dose-dependent Ca2+ release was observed when microsomes were incubated with cADPR.
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Affiliation(s)
- W Masuda
- Department of Applied Biological Chemistry, Osaka Prefecture University, Sakai, Japan
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38
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Abstract
Mono-ADP-ribosylation in mammals is poorly understood. In this study, we found mono-ADP-ribosylated actin in rat brains. Mono-ADP-ribosylated actin by ADP-ribosyltransferase or nonenzymatic reaction was shown at a different position from the unmodified actin in the isoelectrical focusing. High-pressure liquid chromatography utilizing a reverse phase (ODS) column separated ADP-ribosylated actin from unmodified actin. In the two-dimensional gel electrophoreses and high-pressure liquid chromatography, the endogenously ADP-ribosylated actin was detected in the supernatant fraction from the rat brain extract, where a nonpolymerizing actin was present after removal of the polymerizing actin. The concentration of NAD and ADP-ribose, after microwave irradiation, was 220 nmol and 150 nmol/g of rat brain tissue. Actin ADP-ribosylated by purified ADP-ribosyltransferase failed to form actin filaments after the addition of Mg2+. Actin ADP-ribosylated by the nonenzymatic reaction could polymerize with the addition of Mg2+. The enzymatically modified actin could form actin filaments after treatment with ADP-ribosylhydrolase but not after treatment with phosphodiesterase. These results suggest that ADP-ribosylated actin by enzymatic or nonenzymatic reaction is one of the sequestering factors in actin-actin binding and is a part of the actin pool in the rat brain.
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Affiliation(s)
- S Tsuyama
- Department of Veterinary Science, Osaka Prefecture University, Japan
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39
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Nakano R, Tsuyama S, Murata F. Novel method to investigate kinetics of rat skin cells by means of an occlusive dressing method using bromodeoxyuridine. J Dermatol Sci 1997; 14:54-62. [PMID: 9049808 DOI: 10.1016/s0923-1811(96)00551-8] [Citation(s) in RCA: 3] [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] [Indexed: 02/03/2023]
Abstract
We developed a novel technique to detect S-phase skin cells by applying bromodeoxyuridine (BrdU) epicutaneously using an occlusive dressing (OD) method. BrdU was scarcely absorbed from the skin with a simple epicutaneous application, whereas the incorporation of BrdU was very well promoted with the use of our OD method. We applied BrdU on the backs of rats using this method and investigated the conditions required for an optimal response, with a special focus on the period of application, the concentration of BrdU used and vehicles suitable for the immunocytochemical staining of this agent. From these experiments, we were able to determine that an application time of at least 60 min was necessary to liable S-phase cells, a 2% concentration of BrdU was needed to obtain consistent labeling and aqueous vehicles are satisfactory solvents for BrdU preparations. Epidermal keratinocytes and S-phase cells in the upper portion of dermis were clearly labeled after either intraperitoneal injection of BrdU or after administration by means of the OD method. To ascertain whether this latter method could provide an effective alternative to intraperitoneal injection, we compared the labeling patterns of both methods with respect to the speed of migration of BrdU-labeled basal cells from the basal layer to the horny layer of epidermis. Using either of these two methods, basal keratinocytes were labeled immediately after administration. Three days after the first administration, BrdU-labeled cells were detected in the middle layer of the epidermis, but after 8 days, they were no longer evident in epidermal tissue. As another means of comparing both methods, we used antibody to proliferating cell nuclear antigen (PCNA) and compared the ratio of PCNA-positive basal cells to BrdU-labeled basal cells. The number of PCNA-positive cells was about 4.6 times greater than the number of BrdU-labeled basal cells by both methods. We concluded that the OD method could be used as a substitute for intraperitoneal injection in order to observe cell kinetics using bromodeoxyuridine.
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Affiliation(s)
- R Nakano
- Department of Dermatology, Faculty of Medicine, Kagoshima University, Japan
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40
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Iwakiri N, Uehara F, Ohba N, Tsuyama S, Murata F. [Lectin histochemistry of the glycoconjugates in conjunctival goblet cells]. Nippon Ganka Gakkai Zasshi 1997; 101:83-6. [PMID: 9028112] [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: 02/03/2023]
Abstract
The distribution of O- and N-linked glycoconjugates in human conjunctival goblet cells was examined histochemically using biotinylated and fluorescence-labeled lectins simultaneously. Both peanut agglutinin and Erythrina cristagalli agglutinin, specific for O- and N-linked sugar chains, respectively, bound to the same goblet cell, which demonstrated that a conjunctival goblet cell produces and contains both types of glycoconjugates. Maackia amurensis lectin II, specific for sialic acid alpha 2, 3 galactose, bound to the goblet cells, while Sambueus nigra agglutinin, specific for sialic acid alpha 2, 6 galactose, did not. This observation suggested that the terminal galactosyl residue of the glycoconjugates is alpha 2, 3-sialylated in the human conjunctival goblet cells.
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Affiliation(s)
- N Iwakiri
- Department of Ophthalmology, Kagoshima University Faculty of Medicine, Japan
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41
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Takenaka S, Masuda W, Tsuyama S, Tamura Y, Miyatake K, Nakano Y. Purification and characterization of arginine:mono-ADP-ribosylhydrolase from Euglena gracilis Z. J Biochem 1996; 120:792-6. [PMID: 8947843 DOI: 10.1093/oxfordjournals.jbchem.a021481] [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: 02/03/2023] Open
Abstract
Arginine:mono-ADP-ribosylhydrolase was purified from a protozoan, Euglena gracilis Z, using [32P]mono-ADP-ribosylated actin as a substrate. The enzyme showed molecular mass of 33 kDa both in SDS PAGE and gel filtration, indicating it to be a monomeric protein. It was strongly inhibited by ADP and ADP-ribose and activated by Mg2+, DTT, and 2-mercaptoethanol. These results suggest that it recognizes the ADP-ribose moiety of the modified protein. Since the enzyme activity increased in S phase and late G0 phase in a synchronous dividing culture, the enzyme may function in the regulation of the cell cycle.
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Affiliation(s)
- S Takenaka
- Department of Applied Biological Chemistry, Osaka Prefecture University
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42
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Kasamo H, Yang DH, Tsuyama S, Ge YB, Murata F. Ontogeny of proliferative cells in the rat fundic gland. Kaibogaku Zasshi 1996; 71:20-9. [PMID: 8935840] [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: 02/03/2023]
Abstract
The ontogeny of proliferative cells in the rat fundic gland was studied using bromodeoxyuridine (BrdU) immunohistochemistry from day 17.5 of gestation to 8 weeks after birth. This ontogenic process is divided into 4 stages. (1) The late fetal period extending to 0 day of birth: Proliferative cells were scattered throughout all levels of the stratified epithelium in the earliest stage (day 17.5-18.5 of gestation). With the appearance of a primitive gastric pit at day 19.5 of gestation, proliferative cells were more numerous at the base of the fundic gland. Proliferative cells were concentrated in the gland base and were rarely seen in the epithelial surface from day 21.5 of gestation onwards. (2) One day to 2 weeks after birth: As fundic gland growth proceeded, proliferative cells remained concentrated in the gland base. (3) Two to 4 weeks after birth: Proliferative cells left the gland base and moved upward to reach the adult location in the isthmus. (4) Four to 8 weeks after birth: The development of the fundic gland was complete and proliferative cells remained in a narrow proliferative zone in the isthmus.
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Affiliation(s)
- H Kasamo
- Department of Anatomy, Kagoshima University, Japan
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Yang DH, Kasamo H, Miyauchi M, Tsuyama S, Murata F. Ontogeny of sulphated glycoconjugate-producing cells in the rat fundic gland. Histochem J 1996; 28:33-43. [PMID: 8866646 DOI: 10.1007/bf02331425] [Citation(s) in RCA: 15] [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] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The ontogeny of sulphated glycoconjugate-producing cells in the rat fundic gland has been studied using high iron diamine (HID), Alcian Blue (AB) at pH 1.0, high iron diamine in combination with Alcian Blue at pH 2.5 (HID-AB), cationic colloidal gold (CCG) at pH 1.0 under light microscopy and CCG (1.0), HID-thiocarbohydrazide (TCH)-silver proteinate (SP)-physical development (PD) under electron microscopy. From day 19.5 of gestation, sulphated glycoconjugate-producing cells were discernible under both light and electron microscopy. The development of such cells can be classified into four stages: (1) a prenatal period from day 19.5 of gestation extending to 0.5 days after birth; (2) 1 day to 2 weeks after birth; (3) 2 to 4 weeks after birth; and (4) the final period from 4 to 8 weeks after birth. Glycoconjugate-producing cells reached maturity by 4 weeks after birth. Our results indicated that glycoconjugate-producing cells were cells along the wall of foveolar lumen, but not those covering the gastric mucosa surface. Our results also suggested that the trans to transmost Golgi apparatus lamellae were the sites of sulphation in the developing rat stomach.
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Affiliation(s)
- D H Yang
- Department of Anatomy, Kagoshima University, Japan
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44
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Fujita H, Okamoto H, Tsuyama S. ADP-ribosylation in adrenal glands: purification and characterization of mono-ADP-ribosyltransferases and ADP-ribosylhydrolase affecting cytoskeletal actin. Int J Biochem Cell Biol 1995; 27:1065-78. [PMID: 7496996 DOI: 10.1016/1357-2725(95)00070-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [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: 01/25/2023]
Abstract
Mono-ADP-ribosylation in mammals is poorly understood. In this study, we purified four mono-ADP-ribosyltransferases and one ADP-ribosylhydrolase from rat adrenal medulla. The four purified mono-ADP-ribosyltransferases had molecular weights of 69,000 by gel filtration, pH optima of 8.0, and Kms for their action on NAD of about 20 microM. The four enzymes ADP-ribosylated to the alpha-subunit of heteromeric GTP-binding proteins. After tryptic digestion of alkylated actin mono-ADP-ribosylated by the purified mono-ADP-ribosyltransferases or botulinum C2 toxin, the two radioactive peptide patterns were identical. The purified ADP-ribosylhydrolase with mono-ADP-ribosylated actin as the substrate had a molecular weight of 61,000 on gel filtration, a pH optimum of 7.5, and a Km for mono-ADP-ribosylated actin of about 7 microM. The enzyme released ADP-ribose from ADP-ribosylated actin and the alpha-subunit of hetromeric GTP-binding proteins. Actin monomers mono-ADP-ribosylated by the four mono-ADP-ribosyltransferases did not form actin filaments after the addition of Mg2+. After release of ADP-ribose by ADP-ribosylhydrolase, actin filaments formed on the addition of Mg2+, suggesting that the polymerization and depolymerization of cytoplasmic actin the adrenal chromaffin cells may be regulated by mono-ADP-ribosylation.
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Affiliation(s)
- H Fujita
- Department of Veterinary Science, University of Osaka Prefecture, Japan
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Yokoyama S, Goto M, Asakura T, Hirahara K, Tsuyama S, Murata F. Histopathological study on the effect of octreotide. Noshuyo Byori 1995; 12:7-13. [PMID: 7795733] [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: 01/27/2023]
Abstract
The present investigation was performed to clarify the mechanism of action of octreotide. On a quantitative study by electron microscopy showed that lysosomes were markedly increased in the patients receiving octreotide. Growth hormone (GH) was shown to be in the secretory granules by the postembedding immunogold technique, but no GH immunostaining was noted of the lysosomes. The present investigation suggests that retention of secretory granules and subsequent lysosomal increase are the mechanism of GH-lowering effect of octreotide.
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Affiliation(s)
- S Yokoyama
- Department of Neurosurgery, Faculty of Medicine, Kagoshima University
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Kashio N, Tsuyama S, Ihida K, Murata F. [Light and electron microscopic demonstration of acidic glycoconjugates by means of postembedding staining procedures using cationic colloidal gold]. Kaibogaku Zasshi 1993; 68:91-103. [PMID: 7685974] [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: 01/26/2023]
Abstract
The cytochemical detection of acidic glycoconjugates located in rat gastrointestinal epithelia was performed using tissue sections embedded in Lowicryl K4M and cationic colloidal gold (CCG). CCG was prepared from poly-L-lysine and colloidal gold solution (10 nm). The staining of CCG was amplified after a photochemical silver reaction using silver acetate as an ion donor at the light microscopic level. The staining solutions adjusted to pH 2.5, CCG (2.5) and pH 1.0, CCG (1.0) were used for the characterization of carboxylated and sulfated glycoconjugates. At light microscopic level, CCG (2.5) stained several cell types of mucous cells in the rat gastrointestinal tract, while CCG (1.0) stained selectively mucous cells in gastric pits, glandular pylorus, upper crypts of the proximal colon and entire crypts of the distal colon. At the electron microscopic level, both CCG (2.5) and CCG (1.0) labeled the trans side of the Golgi apparatus and mucous granules in some mucous cells. These results are consistent with previous glycoconjugates histochemistry of the rat gastrointestinal tract at both the light and electron microscopic levels. CCG (2.5) and CCG (1.0) staining methods are useful and reliable postembedding staining procedures for the light and electron microscopic demonstration of intra- and extracellular acidic glycoconjugates.
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Affiliation(s)
- N Kashio
- Department of Anatomy, Faculty of Medicine, Kagoshima University, Japan
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47
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Rahman SA, Tsuyama S. Immunohistochemical study of cell proliferation and differentiation in epidermis of mice after administration of cholera toxin. Arch Dermatol Res 1993; 285:27-31. [PMID: 7682399 DOI: 10.1007/bf00370819] [Citation(s) in RCA: 4] [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] [Indexed: 01/26/2023]
Abstract
Cholera toxin causes reversible epidermal hyperplasia. We observed maximal thickness of the epidermis on the fourth day after treatment and a return to pretreatment values by day 7. The increase in thickness occurred in the basal and intermediate layers, with these layers becoming two to three times thicker than those of normal epidermis. The time sequence of epidermal proliferation was studied using bromodeoxyuridine (BrdU) labelling. We observed a maximum number of labelled basal cells within the first 24 h. Only a few cells were labelled 7 days after toxin injection. Griffonia simplicifolia-IB4 (GSA-IB4), Ulex europaeus-I (UEA-I) and Griffonia simplicifolia-II (GSA-II) lectins were used for the analysis of epidermal cell differentiation in the tissue sections. To study keratinocyte differentiation, further immunological staining was performed using two anticytokeratin antibodies, PKK2 and PKK3 mouse monoclonal antibodies. From the immunocytochemical results, we conclude that synchronous differentiation of the epidermis occurs after cholera toxin administration.
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Affiliation(s)
- S A Rahman
- Department of Faculty of Medicine, Kagoshima University, Japan
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48
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Kashio N, Tsuyama S, Ihida K, Murata F. Cationic colloidal gold--a probe for light- and electron-microscopic characterization of acidic glycoconjugates using poly-L-lysine gold complex. Histochem J 1992; 24:419-30. [PMID: 1506235 DOI: 10.1007/bf01089104] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Cationic colloidal gold (CCG) was used to characterize acidic glycoconjugates in semithin and ultrathin sections of rat large intestine and salivary glands embedded in hydrophilic Lowicryl K4M resin. It was prepared from poly-L-lysine and 10 nm colloidal gold solution. The staining of CCG in semithin sections was amplified after photochemical silver reaction using silver acetate as a silver ion donor and examined under bright-field and epi-illumination microscopy. CCG adjusted to various pH levels was tested on various rat tissues whose histochemical characteristics with regard to acidic glycoconjugates are well known. At pH 2.5 CCG labelled tissues containing sialylated and sulphated acidic glycoconjugates such as the apical cell surface, mucous cells in the distal and proximal colon, and acinar cells of the sublingual gland. In contrast, CCG at pH 1.0 labelled tissues containing sulphated acidic glycoconjugates such as mucous cells in the upper crypt of the proximal colon and mucous cells in the whole crypt of the distal colon. This specificity of CCG was verified by the alteration of CCG staining following several types of cytochemical pretreatment. These results were further confirmed by electron microscopy. CCG staining is thus a useful postembedding procedure for the characterization of acidic glycoconjugates at both the light- and electron-microscopic levels.
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Affiliation(s)
- N Kashio
- Department of Anatomy, Faculty of Medicine, Kagoshima University, Japan
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49
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50
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Abstract
Four ADP-ribosyltransferases that acted on non-muscle actin were purified more than 3,000-fold from rat brain extract. The molecular weights of these brain ADP-ribosyltransferases were 66,000 as estimated by sodium dodecyl sulfate-polyacrylamide gel electrophoresis and gel filtration on TSK gel G3000SW. The Km values for NAD were approximately 20 microM. These enzymes were not inhibited by thymidine or nicotinamide, but were inhibited by ADP and ADP-ribose. Two soluble ADP-ribosylation factors purified from rat brain had different effects on the four ADP-ribosyltransferases during the ADP-ribosylation of non-muscle actin. These ADP-ribosyltransferases modified not only actin but also the stimulatory guanine nucleotide-binding protein of adenylate cyclase, Gs, and another guanine nucleotide-binding protein in brain, Go. These findings suggest that the four brain ADP-ribosyltransferases are concerned with nerve functions in the central nervous system.
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Affiliation(s)
- S Matsuyama
- Department of Veterinary Science, University of Osaka Prefecture, Japan
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