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Asano M, Yokosawa K. Determinants of synesthetic color choice for Japanese characters. J Vis 2010. [DOI: 10.1167/10.7.876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Asano M, Kanaya S, Yokosawa K. Proofreaders show a generalized ability to allocate attention to detect changes. J Vis 2010. [DOI: 10.1167/8.6.462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Kubo M, Kawachi T, Murakami M, Kubo M, Tokuhiro S, Agatsuma T, Ito K, Okano T, Asano M, Fukushi H, Nagataki M, Sakai H, Yanai T. Meningoencephalitis associated with Sarcocystis spp. in a free-living Japanese raccoon dog (Nyctereutes procyonoides viverrinus). J Comp Pathol 2010; 143:185-9. [PMID: 20163802 DOI: 10.1016/j.jcpa.2009.12.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2009] [Revised: 12/04/2009] [Accepted: 12/29/2009] [Indexed: 10/19/2022]
Abstract
A free-living, young adult, male Japanese raccoon dog (Nyctereutes procyonoides viverrinus) was rescued in Gifu, Japan in March 2009. The animal was weak and emaciated with neurological signs that included head tilt, tremor and tic. The brain showed no gross abnormality at necropsy, but microscopically there was severe meningoencephalitis associated with protozoa, which were morphologically consistent with the asexual developmental stage of Sarcocystis spp. The protozoa were immunohistochemically negative for Toxoplasma gondii and Neospora caninum, but reacted weakly with antiserum specific for Sarcocystis cruzi. Analysis of the partial 18S rRNA gene sequence revealed that the protozoa were most closely related to an unidentified Sarcocystis species that was isolated from the white-fronted goose (Anser albifrons).
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Hishimoto A, Fukutake M, Mouri K, Nagasaki Y, Asano M, Ueno Y, Nishiguchi N, Shirakawa O. Alcohol and aldehyde dehydrogenase polymorphisms and risk for suicide: a preliminary observation in the Japanese male population. GENES BRAIN AND BEHAVIOR 2010; 9:498-502. [PMID: 20180859 DOI: 10.1111/j.1601-183x.2010.00577.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Epidemiological studies have shown that excessive alcohol consumption is a potent risk factor to develop suicidal behavior. Genetic factors for suicidal behavior have been observed in family, twin, and adoption studies. Because alcohol dehydrogenase (ADH1B) His47Arg and mitochondrial aldehyde dehydrogenase (ALDH2) Glu487Lys single nucleotide polymorphisms (SNPs), which affect alcohol metabolism, have been reported to exert significant impacts on alcohol consumption and on the risk for alcoholism in East Asia populations, we explored associations of the two functional SNPs with suicide using a case-control study of 283 completed suicides and 319 control subjects in the Japanese population. We found that the inactive ALDH2 allele (487Lys) was significantly less frequent in the completed suicides (19.3%) than in the controls (29.3%), especially in males, whereas this was not the case in females. The males bearing alcoholism-susceptible homozygotes at both loci (inactive ADH1B Arg/Arg and active ALDH2 Glu/Glu genotypes) have a 10 times greater risk for suicide compared with the males bearing alcoholism-protective homozygotes at both loci. Our data show the genetic impact of the two polymorphisms on suicidal behavior in the Japanese population, especially in males. Because we did not verify the daily alcohol consumption, the association of these SNPs with suicide might be due to alcoholism itself. Further studies using case-control subjects, which verifies the details of current and past alcohol consumption and diagnosis for alcoholism, are required to confirm these findings.
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Kameoka S, Kuroki Y, Honda K, Kijima N, Matsumoto K, Asano M, Arai Y, Shirakawa T. Diagnostic accuracy of microcomputed tomography for osseous abnormalities in the rat temporomandibular joint condyle. Dentomaxillofac Radiol 2010; 38:465-9. [PMID: 19767517 DOI: 10.1259/dmfr/24350438] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
OBJECTIVES Our aim was to investigate the diagnostic accuracy of in vivo micro-CT for osseous abnormalities of the rat temporomandibular joint (TMJ) condyle, using macroscopic observations as the "gold standard". METHODS A 30 TMJ arthritis model was prepared by injecting inflammatory complete Freund's adjuvant (CFA) into one side of the TMJ cavities of rats. The TMJ condyles were then imaged using micro-CT. The samples were macroscopically evaluated for osseous abnormalities, including erosions, osteophytes, flattening and concavity. The micro-CT images were independently assessed for abnormalities using the same criteria. Images in three planes were produced using the micro-XYZ technique with the micro-CT equipment. RESULTS According to the macroscopic observations, 26 of the 60 rat condyles showed osseous abnormalities. The micro-XYZ images detected abnormalities in 25 of the condyles. The condyle diagnostic accuracy of micro-CT was 0.98, the sensitivity was 0.96 and the specificity was 1.0. CONCLUSIONS Good diagnostic results were obtained using micro-CT. It is therefore an effective technique for the evaluation of osseous abnormalities in the rat TMJ condyle.
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Asano M, Dawes DJ, Arafah A, Moriello C, Mayo NE. What does a structured review of the effectiveness of exercise interventions for persons with multiple sclerosis tell us about the challenges of designing trials? Mult Scler 2009; 15:412-21. [PMID: 19324979 DOI: 10.1177/1352458508101877] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE The goal of this review is to ascertain the extent to which the current body of research on the role of exercise in multiple sclerosis (MS) provides sufficiently strong evidence to guide regular exercise prescription. METHODS We searched CINAHL, COCHRANE, EMBASE, and MEDLINE between 1950 and December 2007 with combinations of MeSH terms and keywords. We assessed the methodological quality of selected randomized controlled trials (RCTs) of exercise interventions using the Physiotherapy Evidence Database scale and evaluated the effects of the exercise interventions by calculating effect sizes (ES) for the target outcomes. RESULTS Eleven RCTs met the criteria, all with acceptable methodological quality. The ES ranged from -0.36 to 3.50 on the target outcomes. Only one study had 95% confidence intervals clearly excluding a value of 0. Measures of body functions and structures and activities were the most common target outcomes of interventions. CONCLUSION Although there was some evidence to support positive effects of exercise on physical and psychosocial functioning and on quality of life, our review revealed insufficient research in this area, making it difficult to guide regular exercise prescription. Furthermore, it also emphasizes the methodological challenges in these RCTs leading us to believe that there is a great need for high quality RCTs in this area, contributing evidence for regular exercise and physical activity prescription for persons with MS.
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Asano K, Taki Y, Hashizume H, Sassa Y, Asano M, Takeuchi H, Lee M, Kawashima R. Correlation of verbal IQ and performance IQ with the brain activation during delayed matching task in healthy children. Neuroimage 2009. [DOI: 10.1016/s1053-8119(09)70359-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Asano M, Taki Y, Hashizume H, Sassa Y, Takeuchi H, Asano K, Lee M, Kawashima R. Relationships between Intelligence Quotient and brain gray matter volume in Japanese healthy children. Neuroimage 2009. [DOI: 10.1016/s1053-8119(09)71888-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Omagari D, Mikami Y, Suguro H, Sunagawa K, Asano M, Sanuki E, Moro I, Komiyama K. Poly I:C-induced expression of intercellular adhesion molecule-1 in intestinal epithelial cells. Clin Exp Immunol 2009; 156:294-302. [PMID: 19284409 DOI: 10.1111/j.1365-2249.2009.03892.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Intercellular adhesion molecul-1 (ICAM-1) is a transmembrane glycoprotein belonging to the immunoglobulin superfamily of adhesion molecules and plays perdominant roles in recruitment and trafficking of leucocytes to sites of inflammation. ICAM-1 expression in intestinal epithelial cells (IECs) is enhanced by several stimuli, such as proinflammatory cytokines, bacterial infections or pathogen-associated molecular patterns. One of these stimuli, double-stranded RNA (dsRNA), is a by-product of viral replication and can be recognized by its cognate receptor Toll-like receptor 3 (TLR-3). In spite of expression of both TLR-3 and ICAM-1 in IECs, correlation between TLR-3-signalling and ICAM-1 expression has never been examined in IECs. In the present study, we investigated whether poly I:C, an analogue of dsRNA, can stimulate the expression of ICAM-1 in IEC line, HT-29. Poly I:C-stimulation up-regulated the expression of ICAM-1 mRNA by real-time polymerase chain reaction. Enhanced expression of ICAM-1 was confirmed in protein level by immunofluoresense cell staining and enzyme-linked immunosorbent assay by measuring the released soluble ICAM-1 in culture supernatant. As the stimulation effect was reduced by pre-treatment of the cells with anti-TLR-3 antibody, poly I:C-binding signal was thought to be sensed by TLR-3 on the surface of HT-29. The results of luciferase assay and nuclear factor kappa-b (NF-kappaB) inhibitor treatment experiments indicated that the downstream signal was mainly transduced by transcription factor, NF-kappaB. All these results demonstrated the connection between TLR-3 signalling and ICAM-1 expression in HT-29 cells and indicated the importance of coordinated function of both innate and adaptive immunity against viral infections.
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Kubo M, Matsuo Y, Okano T, Sakai H, Masegi T, Asano M, Uchida K, Yanai T. Nasal neuroendocrine carcinoma in a free-living Japanese raccoon dog (Nyctereutes procyonoides viverrinus). J Comp Pathol 2008; 140:67-71. [PMID: 19081111 DOI: 10.1016/j.jcpa.2008.09.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2008] [Revised: 08/25/2008] [Accepted: 09/22/2008] [Indexed: 11/27/2022]
Abstract
Neuroendocrine carcinoma was diagnosed in the left nasal cavity of a free-living Japanese raccoon dog (Nyctereutes procyonoides viverrinus). Microscopically, the tumour consisted of sheets of anaplastic cells separated by narrow zones of fibrovascular stroma. The neoplastic cells had varying numbers of cytoplasmic granules stained by the Grimelius method. Immunohistochemically, the neoplastic cells were variably labelled for cytokeratin AE1/AE3, vimentin, chromogranin A and S-100. Ultrastructurally, some of the neoplastic cells had cytoplasmic membrane-bound dense-core granules of approximate diameter 140-240nm. The tumour had infiltrated the cerebrum and metastasized to the pituitary gland, mandibular and pulmonary lymph nodes, lungs, thyroid gland and adrenal glands.
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Omagari D, Iijima M, Suguro H, Sato I, Asano M, Moro I. Differential Distribution of Mouse Polymeric Immunoglobulin Receptor (mpIgR): Establishment of Enzyme-Linked Immunosorbent Assay System for mpIgR. Scand J Immunol 2008. [DOI: 10.1111/j.1365-3083.2008.02166.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Nakamura S, Okano T, Shibata H, Saito M, Komatsu T, Asano M, Sugiyama M, Tsubota T, Suzuki M. Relationships among changes of serum leptin concentration, leptin mRNA expression in white adipose tissue (WAT), and WAT fat-cell size in female Japanese black bears (Ursus thibetanus japonicus). CAN J ZOOL 2008. [DOI: 10.1139/z08-080] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
As a first step to study the relationship between fat accumulation and reproductive success in Japanese black bears ( Ursus thibetanus japonicus Schlegel, 1857) with the focus on leptin, we determined leptin cDNA sequences in the bears. Next, we studied the possibility of white adipose tissue (WAT) as a leptin secretion source by observing the changes of leptin mRNA expression in WAT by semiquantitative real-time reverse transcript – polymerase chain reaction, the index of WAT fat-cell size, and serum leptin concentration in pregnant bears. Then, based on our results, we discussed roles of leptin in those bears. The amino acid sequences of leptin from the bears were highly identical to that of other carnivores. The expression of leptin mRNA in WAT was detected from September to January, with a tendency to increase in late November and January; the relationship between changes in the index of WAT fat-cell size and those in serum leptin concentration was high (r = 0.55, P < 0.01), with an increase in both in mid-November. These results suggested that leptin was mainly secreted from WAT in bears and that serum leptin concentrations might reflect their nutritional condition. Moreover, leptin might serve as an indicator of their fat mass, which would affect their survival during hibernation and their reproductive success.
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Suguro H, Asano M, Kaneko Y, Omagari D, Ogiso B, Moro I, Komiyama K. Characterization of human dental pulp-derived cell lines. Int Endod J 2008; 41:609-16. [PMID: 18479370 DOI: 10.1111/j.1365-2591.2008.01409.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
AIM To establish and characterize different types of fibroblastic cell lines derived from dental pulp tissue. METHODOLOGY Human dental pulp tissue-derived cells were transfected with SV40 large T antigen by Lipofectamine transfection method. Geneticin (G418)-resistant cells were selected and different cell lines were established by a limiting dilution method. To characterize the lineages of cells, each clone was immunofluorescently stained by anti-fibroblast, anti-vimentin, anti-collagen type I and type III antibodies. Total RNA was extracted from each clone and subjected to a differential display experiment. RESULTS By transfecting SV40 large T antigen, nine different cell clones were obtained. All these cell clones were positively stained by anti-fibroblast, anti-vimentin, anti-collagen type I and type III antibodies. With differential display experiment, eight different genes, the expression levels of these genes were varied amongst each cell clone, were detected. After sequencing and database search, one gene was revealed to be identical to T-cell marker, Thy-1. Thy-1 expression in dental pulp tissue was confirmed by immunohistochemical staining. CONCLUSION Fibroblastic cell lines derived from human dental pulp tissue possessed different gene expression profiles suggesting the existence of subpopulations.
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Mogami S, Hasegawa G, Nakayama I, Asano M, Hosoda H, Kadono M, Fukui M, Kitagawa Y, Nakano K, Ohta M, Obayashi H, Yoshikawa T, Nakamura N. Killer cell immunoglobulin-like receptor genotypes in Japanese patients with type 1 diabetes. ACTA ACUST UNITED AC 2007; 70:506-10. [DOI: 10.1111/j.1399-0039.2007.00956.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Okano T, Murase T, Yayota C, Komatsu T, Miyazawa K, Asano M, Tsubota T. Characteristics of captive Japanese black bears (Ursus thibetanus japonicus) semen collected by electroejaculation with different voltages for stimulation and frozen-thawed under different conditions. Anim Reprod Sci 2006; 95:134-43. [PMID: 16289554 DOI: 10.1016/j.anireprosci.2005.10.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2005] [Accepted: 10/06/2005] [Indexed: 11/21/2022]
Abstract
The Japanese black bear (Ursus thibetanus japonicus) is an endangered species in some areas of Japan, and semen collection and cryopreservation are important means to preserve genetic resources and prevent extinction. The aim of the present study was to improve the methods for electroejaculation and cryopreservation in these bears. We collected the semen from captive mature Japanese black bears during the mating season by the electroejaculation method using maximum stimulus voltages of 10 V (n=9) and 7 V (n=15), and compared the characteristics of fresh semen after collection. None of the variables examined (i.e. total sperm count, motility, viability, morphology, and rate of urine contamination) were statistically different between the two electro-stimulus voltages. After the semen obtained was cryopreserved, the effects of three different diluents (egg yolk-TRIS-citrate-glucose, egg yolk-TRIS-citrate-fructose, and egg yolk-TRIS-citrate-fructose-lactose-raffinose; n=10) and two different incubation times (1-1 and 3-0 h of cooling-glycerol equilibration times; n=12) on frozen-thawed spermatozoa. None of the variables examined (i.e. motility, viability and morphology) were statistically different among the three diluents and between the two incubation times. The results indicate that, in the collection and cryopreservation of Japanese black bear semen: (1) a maximum voltage of 7 V may be enough to obtain ejaculates; (2) the three diluents examined were useful; and (3) glycerol equilibration time may be omitted with prior cooling for 3h.
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Nonaka M, Ohno M, Fukuzumi M, Shiojiri Y, Kataoka D, Yamamoto S, Asano M, Ohtake H, Tedoriya T, Kadokura M. [Quality of life of long-term survivors of surgically treated lung cancer]. KYOBU GEKA. THE JAPANESE JOURNAL OF THORACIC SURGERY 2006; 59:519-28; discussion 528-30. [PMID: 16856525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Quality of life (QOL) of long-term survivors (more than 3 years after surgery) of primary non-small cell lung cancer was studied. QOL was analyzed using European Organization for Research and Treatment of Cancer Quality of Life Questionnaire, 30-Item version 3.0 (QLQ-C30) and Hospital Anxiety and Depression Scale (HADS). Sixty of 91 patients (66%) participated in this study 87 +/- 5 (38-172) months postoperatively. In QLQ-C30, calculated scores of physical (84.0 +/- 2.4), role (81.3 +/- 3.6), cognitive (79.7 +/- 2.6), emotional (86.8 +/- 1.9), and social (91.0 +/- 1.9) functioning, and global QOL (72.6 +/- 2.9) were obtained. Calculated HADS A (anxiety) was 3.3 +/- 0.3 and HADS D (depression) was 4.0 +/- 0.4. Postoperative follow-up duration was correlated with financial impact only. QOL of long-term survivors was influenced by gender histology, marital status, employment status, and academic carrier.
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Asano M, Kanematsu T. Über die Konstitution der Proto-lichesterinsäure und Lichesterinsäure. ACTA ACUST UNITED AC 2006. [DOI: 10.1002/cber.19320650719] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Staudinger H, Asano M, Bondy HF, Signer R. Über Isopren und Kautschuk, 13. Mitteilung: Über die Konstitution des Kautschuks. ACTA ACUST UNITED AC 2006. [DOI: 10.1002/cber.19280611127] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Wen L, Brill-Dashoff J, Shinton SA, Asano M, Hardy RR, Hayakawa K. Evidence of marginal-zone B cell-positive selection in spleen. Immunity 2005; 23:297-308. [PMID: 16169502 DOI: 10.1016/j.immuni.2005.08.007] [Citation(s) in RCA: 116] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2005] [Revised: 08/12/2005] [Accepted: 08/17/2005] [Indexed: 10/25/2022]
Abstract
Antigen receptor-mediated signaling is critical for the development and survival of B cells. However, it has not been established whether B cell development requires a signal from self-ligand engagement at the immature stage, a process known as "positive selection." Here, using a monoclonal B cell receptor (BCR) mouse line, specific for the self-Thy-1/CD90 glycoprotein, we demonstrate that BCR crosslinking by low-dose self-antigen promotes survival of immature B cells in culture. In spleen, an increase in BCR signaling strength, induced by low-dose self-antigen, directed naive immature B cells to mature, not into the default follicular B cell fate, but instead into the marginal-zone B cell subset. These data indicate that positive selection can occur in developing B cells and that BCR signal strength is a key factor in deciding between two functionally distinct mature B cell compartments in the microenvironment of the spleen.
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Asano M, Saito T, Nomura N, Mishima A. Double-outlet technique for tetralogy of Fallot-type disease with an anomalous coronary artery. Pediatr Cardiol 2005; 26:710-2. [PMID: 16132282 DOI: 10.1007/s00246-005-0898-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
To reduce the right ventricular (RV) pressure and the pressure gradient between the RV and the pulmonary artery (PA) in Tetralogy of Fallot (TOF) with small pulmonary annulus, it is inevitable to enlarge the small annulus by incising and patching from RV to PA via PA annulus. If the anomalous coronary artery exists in the RV outflow tract, the procedure can not be done.
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Mizuno T, Yamamoto T, Asano M. P-631 Immunohistochemical expression of p63 protein is a parameter of malignant potential in lung carcinomas. Lung Cancer 2005. [DOI: 10.1016/s0169-5002(05)81124-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Hiroki A, Asano M, Yamaki T, Yoshida M. Effect of γ-irradiation on latent tracks of polyethylene terephthalate (PET) film. Chem Phys Lett 2005. [DOI: 10.1016/j.cplett.2005.02.115] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Funabashi N, Asano M, Komuro I. Multislice CT of the abdominal aorta in a patient with Takayasu's arteritis reveals malformation of collateral arteries and occlusion of abdominal aorta. Heart 2005; 91:392. [PMID: 15710737 PMCID: PMC1768750 DOI: 10.1136/hrt.2004.043208] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Asano M, Saito M, Suguro H, Nomura H, Inage T, Moro I. Active synthesis of mouse polymeric immunoglobulin receptor in the epithelial cells of the distal urinary tubule in kidney. Scand J Immunol 2004; 60:267-72. [PMID: 15320883 DOI: 10.1111/j.0300-9475.2004.01456.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The tissue distribution of mouse polymeric immunoglobulin receptor (pIgR) has been demonstrated. By Northern blot hybridization, pIgR mRNA expression was detected in liver, intestine, stomach, lung and kidney. A weak expression was also detected in thymus by reverse transcriptase-polymerase chain reaction. The pIgR expression in kidney was further studied and confirmed that pIgR protein was actively synthesized in the epithelial cells of distal urinary tubule and of Henle's loop. Immunoelectron microscopical analysis showed the accumulation of pIgR-containing vesicles in the apical portion of distal urinary tubule epithelial cells.
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