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Ishihara T, Yamada K, Harada A, Isogai K, Miyawaki D, Yoshida K, Ejima Y, Sasaki R. Hypofractionated Stereotactic Radiation Therapy Compared With Stereotactic Radiosurgery for Brain Metastases From Lung Cancer: Experience at a Single-Institution. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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2
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Yamada N, Okamoto S, Okumura H, Yamada Y, Isogai K, Kawakami K. Kinetic analysis of physical therapists’ manual stretching techniques for equinovarus. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Sugiyama K, Tsukaguchi M, Sasahara H, Isogai K, Toyama A, Satoh H, Saito K, Nakagawa Y, Takahashi K, Tanaka S, Onda K, Hirano T. Relationship between the Peripheral Lymphocyte Response to Mycophenolic Acid in vitro and the Level of ATP in Peripheral CD4+ Lymphocytes before and after Renal Transplantation. Drug Res (Stuttg) 2014; 65:629-34. [PMID: 25549254 DOI: 10.1055/s-0034-1395686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
OBJECTIVE The lymphocyte immunosuppressant sensitivity test has been used to predict the pharmacodynamics of immunosuppressive drugs for the purpose of preventing acute rejection and infection after renal transplantation. On the other hand, measuring the ATP levels in peripheral CD4+ lymphocytes is also able to monitor the risks of rejection and infection in transplant recipients. In the present study, we examined the relationship between the mycophenolic acid pharmacodynamics and the ATP levels in peripheral lymphocytes before and after renal transplantation. METHODS We examined both the pharmacological efficacy of mycophenolic acid and the lymphocyte ATP levels before and 2, 4 and 6 weeks after the operation in 20 renal transplant recipients. The drug's pharmacological efficacy was evaluated by the 50% inhibitory concentration of the drug against the in vitro proliferation of peripheral blood lymphocytes activated by T cell mitogen. The ATP levels in peripheral CD4+ lymphocytes were measured by the Immuknow assay kit. The relationships between the mycophenolic acid pharmacodynamics and ATP levels in peripheral lymphocytes were examined in these recipients. RESULTS The immunosuppressive effects of mycophenolic acid against mitogen-activated lymphocyte proliferation were significantly and positively correlated with the lymphocyte ATP levels, but only at 6 weeks after transplantation. The relationship was not significant before or at 2 or 4 weeks after the operation. CONCLUSION Our present data raised the possibility that evaluating the pharmacological efficacy of mycophenolic acid pre-transplantation and monitoring the ATP level 6 weeks after transplantation can predict the risk of rejection and/or infection in renal transplant recipients.
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Affiliation(s)
- K Sugiyama
- Department of Clinical Pharmacology, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan
| | - M Tsukaguchi
- Division of Pharmacy, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - H Sasahara
- Division of Pharmacy, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - K Isogai
- Division of Pharmacy, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - A Toyama
- Division of Pharmacy, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - H Satoh
- Division of Pharmacy, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - K Saito
- Division of Urology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Y Nakagawa
- Division of Urology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - K Takahashi
- Division of Urology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - S Tanaka
- Department of Clinical Pharmacology, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan
| | - K Onda
- Department of Clinical Pharmacology, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan
| | - T Hirano
- Department of Clinical Pharmacology, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan
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Ishihara T, Yamada K, Harada A, Isogai K, Tonosaki Y, Sasaki R. Hypofractionated Stereotactic Radiation Therapy for Brain Metastases: Exploration of Adhibition and Key Factors Involved in Local Control Rate. Int J Radiat Oncol Biol Phys 2012. [DOI: 10.1016/j.ijrobp.2012.07.2186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Yamada K, Isogai K, Atsumi M, Tonosaki Y, Shima K. The Impact of Cardiac Pulsation Phase on Cardiac Radiation Dose in Tangential Breast Cancer Radiotherapy. Int J Radiat Oncol Biol Phys 2009. [DOI: 10.1016/j.ijrobp.2009.07.1382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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6
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Sugiyama K, Isogai K, Toyama A, Satoh H, Saito K, Nakagawa Y, Tasaki M, Takahashi K, Saito N, Hirano T. Cyclosporine pharmacological efficacy estimated by lymphocyte immunosuppressant sensitivity test before and after renal transplantation. J Clin Pharm Ther 2009; 34:539-45. [DOI: 10.1111/j.1365-2710.2009.01036.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Tomatsu S, Okamura K, Maeda H, Taketani T, Castrillon SV, Gutierrez MA, Nishioka T, Fachel AA, Orii KO, Grubb JH, Cooper A, Thornley M, Wraith E, Barrera LA, Laybauer LS, Giugliani R, Schwartz IV, Frenking GS, Beck M, Kircher SG, Paschke E, Yamaguchi S, Ullrich K, Haskins M, Isogai K, Suzuki Y, Orii T, Kondo N, Creer M, Okuyama T, Tanaka A, Noguchi A. Keratan sulphate levels in mucopolysaccharidoses and mucolipidoses. J Inherit Metab Dis 2005; 28:187-202. [PMID: 15877208 DOI: 10.1007/s10545-005-5673-3] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2004] [Accepted: 10/14/2004] [Indexed: 10/25/2022]
Abstract
The mucopolysaccharidoses (MPS) is characterized by accumulation of glycosaminoglycans (GAGs), and mucolipidosis (ML) by accumulation of GAGs and sphingolipids. Each type of MPS accumulates specific GAGs. The lysosomal enzymes N-acetylgalactosamine-6-sulphate sulphatase and beta-galactosidase involve the stepwise degradation of keratan sulphate (KS). Deficiency of these enzymes results in elevation of KS levels in the body fluids and in tissues, leading to MPS IV disease. In this study, we evaluated blood and urine KS levels in types of MPS and ML other than MPS IV. Eighty-five plasma samples came from MPS I (n = 18), MPS II (n = 28), MPS III (n = 20), MPS VI (n = 3), MPS VII (n = 5) and ML (n = 11) patients while 127 urine samples came from MPS I (n = 34), MPS II (n = 34), MPS III (n = 32), MPS VI (n = 7), MPS VII (n = 9) and ML (n = 11) patients. KS levels were determined using the ELISA method. Plasma KS levels varied with age in both control and patient populations. In all age groups, the mean values of plasma KS in MPS and ML patients were significantly higher than those in the age-matched controls. Plasma KS values in four newborn patients were above the mean + 2SD of the age-matched controls (mean, 41 ng/ml). Overall, 85.9% of individual values in non-type IV MPS and ML patients were above the mean + 2SD of the age-matched controls. For urine KS levels, 24.4% of individual values in patients were above the mean + 2SD of the age-matched controls. In conclusion, KS in blood is elevated in each type of non-type IV MPS examined, in contrast to the conventional understanding. This finding suggests that measurement of KS level provides a new diagnostic biomarker in a wide variety of mucopolysaccharidoses and mucolipidoses in addition to MPS IV.
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Affiliation(s)
- S Tomatsu
- Department of Pediatrics, Cardinal Glennon Children's Hospital, Saint Louis University, St. Louis, MO, USA.
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8
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Tomatsu S, Gutierrez MA, Ishimaru T, Peña OM, Montaño AM, Maeda H, Velez-Castrillon S, Nishioka T, Fachel AA, Cooper A, Thornley M, Wraith E, Barrera LA, Laybauer LS, Giugliani R, Schwartz IV, Frenking GS, Beck M, Kircher SG, Paschke E, Yamaguchi S, Ullrich K, Isogai K, Suzuki Y, Orii T, Noguchi A. Heparan sulfate levels in mucopolysaccharidoses and mucolipidoses. J Inherit Metab Dis 2005; 28:743-57. [PMID: 16151906 DOI: 10.1007/s10545-005-0069-y] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2004] [Accepted: 04/13/2005] [Indexed: 10/25/2022]
Abstract
Glycosaminoglycans are accumulated in both mucopolysaccharidoses (MPS) and mucolipidoses (ML). MPS I, II, III and VII and ML II and ML III patients cannot properly degrade heparan sulphate (HS). In spite of the importance of HS storage in the metabolic pathway in these diseases, blood and urine HS levels have not been determined systematically using a simple and economical method. Using a new ELISA method using anti-HS antibodies, HS concentrations in blood and urine were determined in MPS and ML II and ML III patients. HS concentrations were determined in 156 plasma samples from MPS I (n = 23), MPS II (n = 26), MPS III (n = 24), MPS IV (n = 62), MPS VI (n = 5), MPS VII (n = 5), ML II (n = 8) and ML III (n = 3), and 205 urine samples from MPS I (n = 33), MPS II (n = 33), MPS III (n = 30), MPS IV (n = 82), MPS VI (n = 7), MPS VII (n = 9), ML II (n = 8) and ML III (n = 3). The ELISA method used monoclonal antibodies against HS. MPS I, II, III and VII and ML II and III patients had significant elevation in plasma HS, compared to the age-matched controls (p < 0.0001). Eighty-three out of 89 (93.3%) of individual values in the above MPS types and ML were above the mean +2SD of the controls. In urine samples, 75% of individual values in patients with those types were above the mean +2SD of the controls. In contrast to the previous understanding of the HS metabolic pathway, plasma HS levels in all five MPS VI and 15% of MPS IV patients were elevated above the mean +2SD of the controls. These findings suggest that HS concentration determined by ELISA, especially in plasma, could be a helpful marker for detection of the most severe MPS I, II, III, VI and VII and ML II, distinguishing them from normal populations.
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Affiliation(s)
- S Tomatsu
- Department of Pediatrics, Cardinal Glennon Children's Hospital, Saint Louis University, MO 63110-2586, USA.
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Cook GT, Scott EM, MacKenzie AB, Naysmith FH, Isogai K, Kershaw PJ, Anderson R, Naysmith P. Reconstructing the history of14C discharges from Sellafield. J Radioanal Nucl Chem 2004. [DOI: 10.1023/b:jrnc.0000027091.33389.8f] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Abstract
14C specific activities, above ambient background levels, were determined in individual treerings (corresponding to the years 1950-1999) sectioned from an oak tree that was felled in autumn 1999, from a location 1.5 km east of the Sellafield nuclear fuel reprocessing plant in Cumbria. north-west England. The data were used to produce a new, improved, reconstruction of Sellafield's annual atmospheric 14C discharges between 1951 and 1999, using the most reliable discharge data set (1994-1999) as the primary basis for the determination of a new calibration factor that relates excess 14C activity in individual tree rings to the annual discharge during the corresponding year. The results indicate that the current British Nuclear Fuels plc (BNFL) estimate of total 14C discharges to the atmosphere prior to 1978 is significantly overestimated, while the current estimate of total 14C discharges after 1978 is very similar to that determined in this study. In this study, the total activity of 14C discharged to the atmosphere from Sellafield between 1951 and 1999 is estimated to be 259+/-63 TBq (at 2 std. dev.). The BNFL current estimate is 360TBq.
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Affiliation(s)
- K Isogai
- Scottish Universities Research and Reactor Centre, Scottish Enterprise Technology Park, Glasgow, UK
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Toyoda H, Azuma E, Hori H, Hirayama M, Kobayashi M, Isogai K, Kondo N, Komada Y. Successful unrelated BMT in a patient with Kostmann syndrome complicated by pre-transplant pulmonary 'bacterial' abscesses. Bone Marrow Transplant 2001; 28:413-5. [PMID: 11571517 DOI: 10.1038/sj.bmt.1703156] [Citation(s) in RCA: 16] [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] [Received: 01/02/2001] [Accepted: 05/11/2001] [Indexed: 11/09/2022]
Abstract
Kostmann syndrome, severe congenital neutropenia, is often associated with life-threatening bacterial infections. A 5-year-old girl with Kostmann syndrome developed pulmonary abscesses. She was refractory to granulocyte colony-stimulating factor and antibiotics. She underwent unrelated HLA-matched BMT. Myeloablative conditioning consisted of 12-Gy TBI with lung shielding, antithymocyte globulin, etoposide, and cyclophosphamide. After successful engraftment, the pulmonary abscesses resolved by day 75 post-transplant. Although the option of transplantation is not established in the setting of unrelated HLA-matched BMT in Kostmann syndrome, this case may provide useful information. Furthermore, pre-transplant pulmonary bacterial abscesses may not be a contraindication for BMT in some patients with Kostmann syndrome.
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Affiliation(s)
- H Toyoda
- Department of Pediatrics and Clinical Immunology, Mie University School of Medicine, Tsu, Mie, Japan
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12
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Takahashi Y, Sukegawa K, Aoki M, Ito A, Suzuki K, Sakaguchi H, Watanabe M, Isogai K, Mizuno S, Hoshi H, Kuwata K, Tomatsu S, Kato S, Ito T, Kondo N, Orii T. Evaluation of accumulated mucopolysaccharides in the brain of patients with mucopolysaccharidoses by (1)H-magnetic resonance spectroscopy before and after bone marrow transplantation. Pediatr Res 2001; 49:349-55. [PMID: 11228260 DOI: 10.1203/00006450-200103000-00008] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
In seven patients with mucopolysaccharidoses (1 Hurler, 1 Hurler-Scheie, 4 Hunter, 1 Sly), cranial (1)H-magnetic resonance spectroscopy was performed to evaluate the accumulation of mucopolysaccharides and biochemical changes in the CNS in vivo before and after bone marrow transplantation (BMT). In two of seven patients, (1)H-magnetic resonance spectroscopy was performed before and after BMT. Nuclear magnetic resonance spectra of dermatan sulfate and chondroitin sulfate-C and magnetic resonance spectroscopy of chondroitin sulfate-C and urine from patients with mucopolysaccharidoses showed resonance higher than the chemical shift of myoinositol in the brain (3.7 ppm). The resonance was considered to contain signals from mucopolysaccharide molecules. The resonance was measured as presumptive mucopolysaccharides (pMPS). In white matter lesions detected by magnetic resonance imaging, pMPS/creatine ratios and choline/creatine ratios were consistently higher than control ratios. In white matter without lesions, choline/creatine ratios were higher than control ratios. Patients with higher developmental quotient or intelligence quotient tended to show higher N:-acetylaspartate/creatine ratios and lower pMPS/creatine ratios in basal ganglia. After BMT, the pMPS/creatine ratio in white matter lesions of patient 3, with Hunter syndrome, was slightly decreased, but in none of the patients was the ratio ever below the control ratios, even 7 y after BMT. In white matter without lesions, the pMPS/creatine ratio in patient 3 was decreased to the control ratios after BMT, but although the choline/creatine ratios were gradually decreased, they remained higher than the control ratio, 2 y after BMT. These results suggest that evaluation of pMPS, choline, and N:-acetylaspartate by (1)H-magnetic resonance spectroscopy is an important technique that may provide useful biochemical information in vivo on the neurologic process and the efficacy of BMT in patients with mucopolysaccharidoses.
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Affiliation(s)
- Y Takahashi
- Department of Pediatrics, Gifu University School of Medicine, 40 Tsukasa-machi, Gifu, 500-8705, Japan
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Murakami H, Matsumoto T, Kobayashi T, Isogai K, Kashitani F, Furuya N, Tateda K, Yamaguchi K. [Susceptibility testing of clinical strains of Legionella spp. isolated in Japan]. Kansenshogaku Zasshi 2001; 75:1-6. [PMID: 11218381 DOI: 10.11150/kansenshogakuzasshi1970.75.1] [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: 11/12/2022]
Abstract
We determined antimicrobial susceptibilities of 23 strains of Legionella spp. clinically isolated in Japan, between September 1994 through November 1999 by using Etest. The MICs of all isolates against macrorides, fluoroquinolones and rifampicin showed 1 microgram/ml or less. Especially rifampicin showed the most potent activity, of which the MICs of all isolates showed 0.064 microgram/ml or less. Although we could not find resistant strains against any antibiotics tested in this study, we think it is important to follow up the susceptibilities of clinical isolates of Legionella.
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Affiliation(s)
- H Murakami
- Clinical Laboratory, Toho University Omori Hospital
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Seishima M, Shimizu H, Oyama Z, Isogai K. Mixed connective tissue disease following interstitial cystitis. Eur J Dermatol 2001; 11:45-7. [PMID: 11174138] [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: 02/18/2023]
Abstract
A 64-year-old woman complained of severe infrapubic pain and pollakisuria with nausea, vomiting and diarrhea, but with normal urinalysis since 1987. The clinical diagnosis of interstitial cystitis (IC) was made, and cystectomy was performed in 1996. The bladder taken was markedly shrunken with a capacity of 50 ml, and showed bleeding on the mucosal surface. Histological findings of the bladder showed ulcer formation in the mucous membrane, and marked infiltration of mononuclear cells, edema and fibrosis in the submucosal tissue. She had noticed exudative erythema, swelling and sclerosis on the bilateral fingers and dorsal aspects of the hands since 1993, and Raynaud's phenomenon and morning stiffness of the fingers from November, 1998. Laboratory data showed positive anti-nuclear antibody (titer: 1: 2,560) and anti-U1 RNP antibody (titer: 69.5 by ELISA). A diagnosis of mixed connective tissue disease following IC was made.
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Affiliation(s)
- M Seishima
- Department of Dermatology, Ogaki Municipal Hospital, Minaminokawa-cho, 4-86, Ogaki, 503-8502, Japan.
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Suzuki Y, Isogai K, Teramoto T, Tashita H, Shimozawa N, Nishimura M, Asano T, Oda M, Kamei A, Ishiguro H, Kato S, Ohashi T, Kobayashi H, Eto Y, Kondo N. Bone marrow transplantation for the treatment of X-linked adrenoleukodystrophy. J Inherit Metab Dis 2000; 23:453-8. [PMID: 10947199 DOI: 10.1023/a:1005656029200] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The effects of bone marrow transplantation (BMT) in X-linked childhood adrenoleukodystrophy (ALD) are described in four Japanese patients. Two older patients, 10-year-old boys with IQ 60 and difficulty in school, had favourable results. IQ levels and MRI findings were generally maintained after BMT. One patient showed improvement of gait disturbance. They have both attended ordinary schools after BMT, although a learning disorder persists. On the other hand, two other younger patients with a rapid course and indeterminate IQ at BMT showed deterioration of neurological functions. Indication for BMT seems to be a maintained IQ level, preferably higher than 80, since it seems to be difficult to normalize IQ level after BMT. Younger patients have higher risk of developing a rapidly progressive form of the disease. Identification of presymptomatic boys, and serial and careful follow-up by neuropsychological and neuroradiological studies, are essential prerequisites to successful BMT in X-ALD.
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Affiliation(s)
- Y Suzuki
- Department of Pediatrics, Gifu University School of Medicine, Japan.
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Sukegawa K, Song XQ, Masuno M, Fukao T, Shimozawa N, Fukuda S, Isogai K, Nishio H, Matsuo M, Tomatsu S, Kondo N, Orii T. Hunter disease in a girl caused by R468Q mutation in the iduronate-2-sulfatase gene and skewed inactivation of the X chromosome carrying the normal allele. Hum Mutat 2000; 10:361-7. [PMID: 9375851 DOI: 10.1002/(sici)1098-1004(1997)10:5<361::aid-humu5>3.0.co;2-i] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [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: 02/05/2023]
Abstract
Hunter disease is an X-linked recessive mucopolysaccharide storage disorder caused by iduronate-2-sulfatase deficiency and is rare in females. We describe here findings in a girl with Hunter disease of the severe type. She had a normal karyotype but a marked deficiency of iduronate-2-sulfatase activity in lymphocytes and cultured fibroblasts. In a sequence analysis of the iduronate-2-sulfatase gene, evidence was obtained for the R468Q (G1403 to A) mutation, a common one in Hunter disease. RT-PCR showed her cDNA to represent only the R468Q allele, although at the genomic level she was a heterozygote with one normal allele. Her brother had the R468Q mutation, and their mother was a carrier of this mutation. The fusion products of CHO (TG(R),Neo(R)) with patient's fibroblasts cultured in HAT/G418 selective medium, carried only the maternal allele. However, in genomic DNA from the patient's fibroblasts, only the paternal allele of the androgen receptor gene, a gene subjected to differential methylation of the inactive X-chromosome, was methylated. These findings strongly suggest that the severe form of Hunter disease in this girl was the result of selective expression of the maternal allele carrying the missense mutation R468Q, which in turn resulted from skewed X inactivation of the paternal nonmutant X chromosome.
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Affiliation(s)
- K Sukegawa
- Department of Pediatrics, Gifu University School of Medicine, Japan
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Tomatsu S, Fukuda S, Cooper A, Wraith JE, Ferreira P, Di Natale P, Tortora P, Fujimoto A, Kato Z, Yamada N, Isogai K, Yamagishi A, Sukegawa K, Suzuki Y, Shimozawa N, Kondo N, Sly WS, Orii T. Fourteen novel mucopolysaccharidosis IVA producing mutations in GALNS gene. Hum Mutat 2000; 10:368-75. [PMID: 9375852 DOI: 10.1002/(sici)1098-1004(1997)10:5<368::aid-humu6>3.0.co;2-b] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Mucopolysaccharidosis IVA (MPS IVA) is an autosomal recessive disorder caused by a deficiency of the lysosomal N-acetylgalactosamine-6-sulfate sulfatase. Here, we report our analysis of data on 21 patients of diverse ethnic and geographic origins studied by SSCP and sequencing analysis. Sixteen mutations were detected, including 14 new mutations (11 missense, one premature termination, one splice site alteration, and one cryptic site alteration). The donor splice site mutation (IVS4 + 1G-->A) predicts that normal splicing will be abolished and that translation would lead to an immediate premature termination (W141X). Another novel nucleotide change outside the coding sequence is an intronic alteration (IVS9-42C-->T:ggtcggtgcggttggtgc) creating a potential cryptic donor site. The nucleotide sequence surrounding this alteration is highly suggestive of a consensus donor splice site. All 12 missense and nonsense mutations were shown by transient expression to abolish or greatly reduce GALNS activity, thereby providing an explanation as to why they produce MPS IVA. All mutations were readily confirmed by restriction enzyme or by allelic specific oligonucleotide analysis (ASO). These findings, coupled with previously reported mutations, bring the total of different mutations to 41 among independent families with MPS IVA, illustrating the extensive allelic heterogeneity among mutations producing MPS IVA.
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Affiliation(s)
- S Tomatsu
- Department of Pediatrics, Gifu University School of Medicine, Japan
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Montaño AM, Yamagishi A, Tomatsu S, Fukuda S, Copeland NG, Orii KE, Isogai K, Yamada N, Kato ZI, Jenkins NA, Gilbert DJ, Sukegawa K, Orii T, Kondo N. The mouse N-acetylgalactosamine-6-sulfate sulfatase (Galns) gene: cDNA isolation, genomic characterization, chromosomal assignment and analysis of the 5'-flanking region. Biochim Biophys Acta 2000; 1500:323-34. [PMID: 10699374 DOI: 10.1016/s0925-4439(99)00119-2] [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: 11/30/2022]
Abstract
Deficiency of lysosomal enzyme N-acetylgalactosamine-6-sulfate sulfatase (GALNS) leads to mucopolysaccharidosis IV A (MPS IV A), for which there is no definitive treatment so far. Although a number of mutations of the GALNS gene of MPS IV A patients have been described, pathogenesis of the disorder still remains elusive. In order to facilitate in vivo studies using model animals for MPS IV A, we isolated and performed molecular characterization of the mouse homolog of human GALNS. The 2.3-kb cDNA contains a 1560-bp open reading frame encoding 520 amino acid residues. The coding region has 84% similarity to the human GALNS cDNA at amino acid level. The mouse Galns gene was mapped by interspecific backcross analysis to the distal region of chromosome 8 where it co-segregates with Aprt. Northern blot analysis showed a wide expression of a single-copy gene, being higher especially in liver and kidney. The Galns gene was isolated from S129vJ genomic library and its genomic organization was characterized. The mouse Galns gene was about 50-kb long and organized into 14 exons and 13 introns. All intron-exon splice junctions conformed to the GT/AG consensus sequence except exon 8/intron 8 junction. Primer extension shows multiple transcription initiation sites between -44 and -75 although major transcription initiation site was observed at -90 bp from the ATG codon. The 5'-flanking region lacks canonical TATA and CAAT box sequences, but is G+C rich with 10 GC boxes (potential Sp1 binding sites), characteristic of a housekeeping gene promoter.
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Affiliation(s)
- A M Montaño
- Department of Pediatrics, Gifu University School of Medicine, 40 Tsukasa-machi, Gifu, Japan
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19
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Yamada Y, Inoue R, Fukao T, Kaneko H, Isogai K, Fukuda S, Shimozawa N, Suzuki Y, Kondo N, Azuma E, Sakurai M. Ataxia telangiectasia associated with B-cell lymphoma: the effect of a half-dose of the drugs administered according to the acute lymphoblastic leukemia standard risk protocol. Pediatr Hematol Oncol 1998; 15:425-9. [PMID: 9783309 DOI: 10.3109/08880019809016571] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Ataxia telangiectasia (A-T) is a rare autosomal recessive disorder characterized by cerebellar ataxia, oculocutaneous telangiectasia, and variable degrees of humoral and cellular immunodeficiency. Affected individuals are known to exhibit a high incidence of lymphoma and leukemia. Because of increased chemosensitivity, the treatment of A-T patients with malignancies requires extremely careful planning and caution with respect to the use of chemotherapy. The authors report on a 12-year-old boy with A-T who developed B-cell lymphoma. He received a half-dose of the drugs administered according to the acute lymphoblastic leukemia (ALL) protocol issued by our children's cancer study group (9104 Standard Risk Protocol, Tokai Pediatric Oncology Study Group). As a result, he continues to be in complete remission and free of treatment complications 32 months after the diagnosis of B-cell lymphoma.
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Affiliation(s)
- Y Yamada
- Department of Pediatrics, Gifu University, School of Medicine, Japan
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20
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Isogai K, Endo T, Hamamoto Y, Arimura Y, Ito H, Imai K. [A case of early superficial gallbladder carcinoma associated with suspiciously anomalous arrangement of the pancreaticobiliary ductal system]. Nihon Shokakibyo Gakkai Zasshi 1998; 95:342-7. [PMID: 9591412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- K Isogai
- Social Welfare Corporation Hokkaido Social Work Association, Otaru Hospital
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21
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Hisamatsu S, Amano H, Isogai K, Atarashi M, Zhu H, Takizawa Y. Organically-bound 3H concentration in rice around atomic energy facilities. Health Phys 1998; 74:448-450. [PMID: 9525418 DOI: 10.1097/00004032-199804000-00005] [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: 05/22/2023]
Abstract
Rice samples collected around atomic energy facilities in the Tokai area were analyzed for organically-bound 3H (OBT). Measurement results were compared with those for samples from control areas in Japan and the People's Republic of China. OBT concentrations of rice in the Tokai area were found to be 4 times higher than the control area as maximum. Although this relatively high 3H concentration shows the effect of 3H release from the facilities into the environment, the concentration level is comparable with those in the rice sample from a northern interior region of China. The OBT concentration of rice sample from the general environment in interior China was 4.5 times higher than the control area in Japan. The radiation dose from the increasing 3H level is negligible in comparison with that from natural radiation.
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Affiliation(s)
- S Hisamatsu
- Department of Radioecology, Institute for Environmental Sciences, Rokkasho Village, Aomori, Japan
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22
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Tomatsu S, Fukuda S, Cooper A, Wraith JE, Yamagishi A, Kato Z, Yamada N, Isogai K, Sukegawa K, Suzuki Y, Shimozawa N, Kondo N, Orii T. Fifteen polymorphisms in the N-acetylgalactosamine-6-sulfate sulfatase (GALNS) gene: diagnostic implications in Morquio disease. Hum Mutat 1998; Suppl 1:S42-6. [PMID: 9452036 DOI: 10.1002/humu.1380110115] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- S Tomatsu
- Department of Pediatrics, Gifu University School of Medicine, Japan
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23
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Fukuda S, Yamada Y, Isogai K, Terada T, Iwata M, Takahashi Y, Kondo N. Chromosomal instability in Marinesco-Sjögren syndrome associated with acute myeloblastic leukemia. Clin Genet 1998; 53:153-4. [PMID: 9611079 DOI: 10.1111/j.1399-0004.1998.tb02665.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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24
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Isogai K, Sukegawa K, Tomatsu S, Fukao T, Song XQ, Yamada Y, Fukuda S, Orii T, Kondo N. Mutation analysis in the iduronate-2-sulphatase gene in 43 Japanese patients with mucopolysaccharidosis type II (Hunter disease). J Inherit Metab Dis 1998; 21:60-70. [PMID: 9501270 DOI: 10.1023/a:1005363414792] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Our series of studies on Hunter disease in Japanese patients showed allelic heterogeneity of IDS gene mutations, genotype/phenotype correlation and racial differences in distribution of mutations. Twenty-five different small mutations have been characterized. Small mutations in the Japanese population are widely distributed through the IDS gene, although some mutations were unevenly concentrated on exon 5 (28%) and on exon 9 (24%). Mutations were seen at the same codon 468 in exon 9 in 5 patients. These findings are in good agreement with data on other ethnic groups. Two unique mutations linked to a severe phenotype were apparently associated with aberrant splicings; one was a point mutation within exon 3 (P86L), partially activating a cryptic splice acceptor site at 28 bp downstream from the mutation site within exon 3 and producing a 44-base truncated mRNA, and the other was a point mutation at the consensus sequence of the splice donor site of intron 2, causing exon 2 skipping.
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Affiliation(s)
- K Isogai
- Department of Pediatrics, Gifu University School of Medicine, Japan
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25
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Yoshida T, Katsurashima T, Abe K, Kato A, Suzuki K, Sasaki S, Ikuta T, Narita T, Isogai K, Moriai O, Murakami A, Ono M, Watanabe T, Abe H, Ueda S, Saito Y, Takahashi T, Kooka F, Chiba T, Katsura Y, Ono Y, Kosaka Y, Yasumi S, Kawata T, Sato S. [Regional difference in the etiology of liver cirrhosis in Iwate]. Nihon Shokakibyo Gakkai Zasshi 1997; 94:826-33. [PMID: 9436390] [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: 02/05/2023]
Abstract
To assess regional differences in the etiology of liver cirrhosis in Iwate, we analyzed 324 patients with liver cirrhosis treated at various hospitals. The etiology was HCV 44.8%, HBV 11.1%, HBV + HCV 4.6%, alcohol 27.5% (including heavy drinkers 17.9%), PBC 1.5% and non-B non-C 10.5% in Iwate. The incidence of alcoholic cirrhosis was higher than that in other prefectures, while that of HCV was lower. Especially in the northern area of Iwate, the rate of alcoholic cirrhosis was very high (39.1%--including heavy drinkers 21.8%) while viral cirrhosis was relatively low. Although the alcohol consumption volume in Iwate was not very high, marked alcohol consumption, especially shochu, was observed in the northern area of Iwate. The volume and kind of alcohol consumed in each area differed, and the etiology of liver cirrhosis differed regionally in Iwate. Thus, we should consider these districts and levels of alcohol consumption when treating patients with liver cirrhosis.
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Affiliation(s)
- T Yoshida
- First Department of Internal Medicine, Iwate Medical University
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26
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Takahashi Y, Kuriyama M, Yamada S, Fujimoto Y, Takeuchi T, Doi T, Sakai S, Isogai K, Kanematsu M, Hayashi H, Fujihiro S, Hasegawa Y, Ehara H, Maeda S, Itoh F, Kobayashi S, Horie M, Matsuda S, Takeda A, Tei KH, Kawada Y. [Clinical efficacy of post-TUR prophylactic chemotherapy for superficial bladder cancer--the result of co-operative prospective randomized trial]. Gan To Kagaku Ryoho 1997; 24:1817-9. [PMID: 9382540] [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: 02/05/2023]
Abstract
We have performed a prospective randomized clinical trial of post-operative prophylactic therapy for superficial bladder cancer since October in 1991. The criteria were as follows; age < or = 80 y.o., Ta/T1, TCC G1/G2, without CIS lesion and resectable cancer by TUR. The therapeutic arm was divided into three as follows: arm A intracystic instillation with Epirubicin; arm B: oral administration with 5-FU; arm C: combination of arm A and arm B. The number of registered patients were 20 in arm A, 18 in arm B, and 18 in arm C. The patient characteristics in every group were not significantly different. The prophylactic efficacy of arm A was superior to that in the other two groups.
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Affiliation(s)
- Y Takahashi
- Dept. of Urology, Gifu University School of Medicine
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27
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Hayashi N, Kawamura J, Fujita K, Naide Y, Kobayashi H, Isogai K, Sudoko H, Miyake K. [Clinical investigation of prostatic cancer patients who underwent radical prostatectomy: analysis of patients in the Tokai Urological Cancer Registry]. Hinyokika Kiyo 1997; 43:471-6. [PMID: 9282291] [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: 02/05/2023]
Abstract
Between 1989 and 1991, 815 cases of prostatic carcinoma were registered in the Tokai Urological Cancer Registry. We investigated the clinical features and prognosis of 69 patients who underwent radical prostatectomy. The median age and clinical stage, were 65.9 +/- 4.7 years and A in 7 patients, 66.3 +/- 5.8 years and B in 31, 68.2 +/- 2.7 years and C in 26, 63.4 +/- 13.5 years and N(+) in 5. Neoadjuvant therapy consisting of endocrine therapy and chemoendocrine therapy was administered to 28 and 14 patients, respectively. In comparison to the clinical stage, pathologically, 4 cases (9.5%) showed downstaging or overstaging, 15 (35.7%) understaging and 23 (54.8%) accurate staging in the neoadjuvant therapy group, and, respectively, 2 (7.4%), 12 (44.4%) and 13 (48.2%) in the non-neoadjuvant therapy group. There was a significant difference in the pretreatment prostatic antigen (PA) value between pT0 and pT3 (p < 0.05), between pT0 and pN(+) (p < 0.01) and between pT2 and pN(+) (p < 0.05). In addition, the pretreatment PA value in the recurrence group was higher than that in the non-recurrence group in both neoadjuvant and non-neoadjuvant groups, with a significant difference (p < 0.01) in the neoadjuvant group. Cancer recurrence was noticed in 2 patients given non-neoadjuvant therapy and 3 given neoadjuvant therapy. There was no significant difference in the non-recurrence rate with the pathological stage either with or without neoadjuvant therapy. However, the non-recurrence rate in the neoadjuvant therapy group was higher than that in the non-neoadjuvant therapy group.
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28
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Fukuda S, Yamada Y, Nishimura M, Isogai K, Terada T, Iwata M, Shimozawa N, Suzuki Y, Kondo N. Marinesco-Sjögren syndrome associated with acute myeloblastic leukemia. Clin Genet 1997; 51:278-80. [PMID: 9184254 DOI: 10.1111/j.1399-0004.1997.tb02471.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Marinesco-Sjögren syndrome is a rare autosomal recessive disorder characterized by cerebellar atrophy, ataxia, cataracts, short stature and varying degrees of mental retardation. A high incidence of malignant disease associated with this syndrome has not so far been reported. We report the case of a 6-year-old girl affected with Marinesco-Sjögren syndrome, who developed acute myeloblastic leukemia (AML, M2), and whose karyotype was 46,XX,t(8;21),(q22;q22) in bone marrow blasts. This is the first report of Marinesco-Sjögren syndrome associated with malignant disorders.
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Affiliation(s)
- S Fukuda
- Department of Pediatrics, Gifu University, School of Medicine, Tsukasa-machi, Japan.
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29
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Yamada S, Deguchi T, Nezasa S, Kawamoto S, Ehara H, Takahashi Y, Okano M, Fujimoto Y, Isogai K, Kawada Y. [A comparative study on in vitro chemosensitivity of urotherial cancers to three anthracyclines]. Gan To Kagaku Ryoho 1996; 23:1339-41. [PMID: 8831750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- S Yamada
- Dept. of Urology, Ogaki Municipal Hospital
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30
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Tomatsu S, Fukuda S, Yamagishi A, Cooper A, Wraith JF, Hori T, Kato Z, Yamada N, Isogai K, Sukegawa K, Kondo N, Suzuki Y, Shimozawa N, Orii T. Mucopolysaccharidosis IVA: four new exonic mutations in patients with N-acetylgalactosamine-6-sulfate sulfatase deficiency. Am J Hum Genet 1996; 58:950-62. [PMID: 8651279 PMCID: PMC1914620] [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: 02/01/2023] Open
Abstract
We report four new mutations in Japanese patients with mucopolysaccharidosis IVA (MPSIVA) who were heterozygous for a common double gene deletion. A nonsense mutation of CAG to TAG at codon 148 in exon 4 was identified, resulting in a change of Q to a stop codon and three missense mutations. V (GTC) to A (GCC) at codon 138 in exon 4, P (CCC) to S (TCC) at codon 151 in exon 5, and P (CCC) to L (CTC) at codon 151 in exon 5. Introduction of these mutations into the normal GALNS cDNA and transient expression in cultured fibroblasts resulted in a significant decrease in the enzyme activity. V138A and Q148X mutations result in changes of restriction site, which were analyzed by restriction-enzyme assay. P151S and P151L mutations that did not alter the restriction site were detected by direct sequencing or allele specific oligohybridization. Detection of the double gene deletion was initially done using Southern blots and was confirmed by PCR. Haplotypes were determined using seven polymorphisms to the GALNS locus in families with the double gene deletion. Haplotype analysis showed that the common double gene deletion occurred on a single haplotype, except for some variation in a VNTR-like polymorphism. This finding is consistent with a common founder for all individuals with this mutation.
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Affiliation(s)
- S Tomatsu
- Department of Pediatrics, Gifu University School of Medicine, Gifu, Japan
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31
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Fukuda S, Tomatsu S, Cooper A, Wraith JE, Kato Z, Yamada N, Isogai K, Sukegawa K, Kondo N, Orii T. Mucopolysaccharidosis IVA (Morquio A): three novel small deletions in the N-acetylgalactosamine-6-sulfate sulfatase gene. Hum Mutat 1996; 8:187-90. [PMID: 8844220 DOI: 10.1002/(sici)1098-1004(1996)8:2<187::aid-humu14>3.0.co;2-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- S Fukuda
- Department of Pediatrics, Gifu University School of Medicine, Japan
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32
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Tomatsu S, Fukuda S, Cooper A, Wraith JE, Rezvi GM, Yamagishi A, Yamada N, Kato Z, Isogai K, Sukegawa K. Mucopolysaccharidosis IVA: identification of a common missense mutation I113F in the N-Acetylgalactosamine-6-sulfate sulfatase gene. Am J Hum Genet 1995; 57:556-63. [PMID: 7668283 PMCID: PMC1801282] [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: 01/26/2023] Open
Abstract
Mucopolysaccharidosis IVA is an autosomal recessive lysosomal storage disorder caused by a deficiency of N-acetylgalactosamine-6-sulfate sulfatase. The recent isolation and characterization of cDNA and genomic sequences encoding GALNS has facilitated identification of the molecular lesions that cause MPS IVA. We identified a common missense mutation among Caucasian MPS IVA patients. The mutation was originally detected by SSCP, and successive sequencing revealed an A-->T transversion at nt 393. This substitution altered the isoleucine at position 113 to phenylalanine (I113F) in the 622 amino acid GALNS protein and was associated with a severe phenotype in a homozygote. Compound heterozygotes with one I113F-allele mutation have a wide range of clinical phenotypes. Transfection experiments in GALNS-deficient fibroblasts revealed that the mutation drastically reduces the enzyme activity of GALNS. Allele-specific oligonucleotide or SSCP analysis indicated that this mutation accounted for 22.5% (9/40) of unrelated MPS IVA chromosomes from 23 Caucasian patients, including 6 consanguineous cases. Of interest, the I1e 113-->Phe substitution occurred in only Caucasian MPS IVA patients and in none of the GALNS alleles of 20 Japanese patients. These findings identify a frequent missense mutation among MPS IVA patients of Caucasian ancestry, that results in severe MPS IVA when homoallelic, and will facilitate molecular diagnosis of most such patients and identification of heterozygous carriers. In addition to this common mutation, 10 different point mutations and 2 small deletions were detected, suggesting allelic heterogeneity in GALNS gene.
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Affiliation(s)
- S Tomatsu
- Department of Pediatrics, Gifu University School of Medicine, Japan
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33
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Tomatsu S, Fukuda S, Cooper A, Wraith JE, Rezvi GM, Yamagishi A, Yamada N, Kato Z, Isogai K, Sukegawa K. Mucopolysaccharidosis type IVA: identification of six novel mutations among non-Japanese patients. Hum Mol Genet 1995; 4:741-3. [PMID: 7633425 DOI: 10.1093/hmg/4.4.741] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Affiliation(s)
- S Tomatsu
- Department of Pediatrics, Gifu University School of Medicine, Japan
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34
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Kasanuki H, Isogai K, Hosoda S. [Detection and significance of late potential in patients with cardiac sarcoidosis]. Nihon Rinsho 1995; 53:463-8. [PMID: 7699874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- H Kasanuki
- Tokyo Women's Medical College, Heart Institute of Japan
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35
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Isogai K, Kasanuki H, Ohnishi S, Hosoda S. [Detection for the prediction of sustained ventricular tachycardia and sudden cardiac death using late potentials in patients with hypertrophic cardiomyopathy]. Nihon Rinsho 1995; 53:452-8. [PMID: 7699872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- K Isogai
- Heart Institute of Japan, Tokyo Women's Medical College
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36
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Sukegawa K, Tomatsu S, Fukao T, Iwata H, Song XQ, Yamada Y, Fukuda S, Isogai K, Orii T. Mucopolysaccharidosis type II (Hunter disease): identification and characterization of eight point mutations in the iduronate-2-sulfatase gene in Japanese patients. Hum Mutat 1995; 6:136-43. [PMID: 7581397 DOI: 10.1002/humu.1380060206] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.1] [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
Mucopolysaccharidosis type II (Hunter disease) is a lysosomal storage disorder caused by a deficiency of the enzyme iduronate-2-sulfatase. Varied clinical phenotypes of this disease have been described. To identify mutations in individual patients and to examine possible correlations between mutations and clinical phenotypes, we analyzed the iduronate-2-sulfatase gene in Japanese patients with different clinical phenotypes. Five missense mutations, S333L (severe), R468Q (severe), R468L (severe), W337R (intermediate), R48P (mild), and three nonsense mutations, W345X (severe), R443X (intermediate), Q531X (mild), were identified by the RT-PCR method. Transient expression in the enzyme-deficient fibroblasts revealed that all five missense mutant enzymes were synthesized as the normal-size precursor (73 kD), and the nonsense mutant enzymes were synthesized as truncated ones (W345X:54 kD, R443X:59 kD, and Q531X:69 kD), although stable mature enzymes (45-56 kD) were not detected by Western blot analysis. Furthermore, expression of the eight mutant cDNAs resulted in severe reductions of iduronate-2-sulfatase enzyme activity in comparison with a normal cDNA.
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Affiliation(s)
- K Sukegawa
- Department of Pediatrics, Gifu University School of Medicine, Japan
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37
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Tomatsu S, Fukuda S, Cooper A, Wraith JE, Yamada N, Isogai K, Kato Z, Sukegawa K, Kondo N, Suzuki Y. Two new mutations, Q473X and N487S, in a Caucasian patient with mucopolysaccharidosis IVA (Morquio disease). Hum Mutat 1995; 6:195-6. [PMID: 7581409 DOI: 10.1002/humu.1380060218] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- S Tomatsu
- Department of Pediatrics, Gifu University School of Medicine, Japan
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38
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Yamada S, Fujimoto Y, Isogai K, Deguchi T, Nezasa S, Kawamoto S, Nishida Y, Tamaki M, Ehara H, Takahashi Y. [A study on predicting factors of the effect of intra-arterial infusion chemotherapy in patients with bladder cancers: the usefulness of in-vitro chemisensitivity test measuring intracellular ATP contents (ATP assay)]. Nihon Hinyokika Gakkai Zasshi 1994; 85:1528-33. [PMID: 7990301 DOI: 10.5980/jpnjurol1989.85.1528] [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: 01/28/2023]
Abstract
We studied a relationship between in vitro sensitivity of the tumors to anti-cancerous drugs and histopathological effectiveness of an intra-arterial infusion chemotherapy in 15 patients with bladder cancers. The in vitro sensitivity test was performed by measuring intra-cellular ATP contents (ATP assay). The intra-arterial chemotherapy were performed by injecting methotrexate (MTX), adriamycin (ADM) and eisplatin (CDDP) from the internal iliac artery. When the intra-cellular ATP contents of the tumor cells treated with an anti-cancerous drug decreased to less than 50% of the untreated tumor cells, the tumor was evaluated as sensitive to the drug. The effectiveness of the chemotherapy were histopathologically evaluated by a pathologist according to the response criteria for bladder cancer treatment. When the histopathological responses of higher than grade 2 were observed in the tumor, the chemotherapy was evaluated as effective. In 8 of 9 tumors sensitive to ADM, chemotherapy were effective histopathologically and in all 6 tumors resistant to ADM, histopathological response of the chemotherapies were poor. The overall coincidence ratio between sensitivity to ADM and the histopathological effectiveness of the chemotherapy was 93%, showing statistically significant correlation. In 7 of 12 tumors sensitive to CDDP, the chemotherapies were effective and in 2 of 3 tumors resistant to CDDP, the chemotherapies were ineffective. Although the overall coincidence ratio between the sensitivities to CDDP and chemotherapeutic effectiveness was 60%, there was no significant correlation between them. In 7 of 8 tumors sensitive to both of ADM and CDDP, the chemotherapies were effective and in 6 of 7 tumors resistant to at least one of them, the chemotherapies were ineffective. (ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- S Yamada
- Department of Urology, Ogaki Municipal Hospital
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39
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Tomatsu S, Fukuda S, Ogawa T, Kato Z, Isogai K, Kondo N, Suzuki Y, Shimozawa N, Sukegawa K, Orii T. A novel splice site mutation in intron 1 of the GALNS gene in a Japanese patient with mucopolysaccharidosis IVA. Hum Mol Genet 1994; 3:1427-8. [PMID: 7987329 DOI: 10.1093/hmg/3.8.1427] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Affiliation(s)
- S Tomatsu
- Department of Pediatrics, Gifu University School of Medicine, Japan
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40
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Ando M, Kikuchi K, Isogai K, Ishiwatari T, Hirata N, Yamazaki H. Synthetic studies of sesquiterpenes with a cis-fused decalin system, 5. A synthetic approach to the study of structure-activity relationships of the termiticidal norsesquiterpenoids, chamaecynone and related compounds. J Nat Prod 1994; 57:924-933. [PMID: 7964788 DOI: 10.1021/np50109a008] [Citation(s) in RCA: 6] [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: 05/22/2023]
Abstract
Various analogues of chamaecynone [1] were prepared from alpha-santonin, and the termiticidal activity of these compounds was examined. All compounds possessing a 5 beta H-13-noreudesmane skeleton with a ethynyl group at C-7 showed significant termiticidal activity. Changes in the structure of the A-ring of these compounds also influenced the potency of their termiticidal activity.
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Affiliation(s)
- M Ando
- Department of Applied Chemistry, Faculty of Engineering, Niigata University, Japan
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41
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Fujimoto Y, Ueno K, Yamada S, Isogai K, Komeda H, Ban Y. [Clinical investigation of clean intermittent catheterization]. Hinyokika Kiyo 1994; 40:309-13. [PMID: 8191969] [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: 01/29/2023]
Abstract
We evaluated 120 patients with neurogenic bladder treated by clean intermittent self catheterization (CIC) in our department. These cases were divided into 2 groups: early treatment cases in which CIC started within 1 year after onset of dysuria, and late treatment cases in which CIC started after more than 1 year. Urinary tract infections (UTI) were recognized in 35% of the early treatment cases and 80% of the late treatment cases in the subsequent period. Pyelonephritis was experienced in 4% of the early treatment cases and 12% of the late treatment cases. Antibiotics therapy was considered unnecessary for asymptomatic UTIs. After CIC treatment, hydronephrosis detected by intravenous pyelography (IVP) and ultrasonography was improved in 18 of the 20 cases, and no cases showed deteriorated renal function. In the cases with neurogenic bladder after radical operations of the uterus or rectum, 45% of the early treatment cases have become free from CIC within 3 months postoperatively, and 84% eventually became free. Most of the late treatment cases have been continuing CIC. We considered that CIC was unnecessary when the residual urine was less than 100ml based on the periodical urinalysis and observation of renal function.
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Affiliation(s)
- Y Fujimoto
- Department of Urology, Ogaki Municipal Hospital
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42
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Kuriyama M, Takahashi Y, Nagatani Y, Shinoda I, Yamamoto N, Nagai T, Ueno K, Takeuchi T, Maeda S, Isogai K. Intra-arterial administration of methotrexate, adriamycin, and cisplatin as neoadjuvant chemotherapy for bladder cancer. Cancer Chemother Pharmacol 1992; 30 Suppl:S1-4. [PMID: 1394808 DOI: 10.1007/bf00686932] [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: 12/26/2022]
Abstract
As neoadjuvant chemotherapy for advanced bladder cancer, the intra-arterial administration of methotrexate (MTX), Adriamycin (ADM), and cisplatin (CDDP; IA-MAC) was evaluated. A total of 48 patients with bladder cancer (greater than or equal to T2 or CIS) were selected and received 30.1 mg MTX, 34.5 mg ADM, and 89.1 mg CDDP as an average course. The mean tumor-regression rate after 2 or 3 weeks was 52.3%, and patients with grade 3 transitional-cell carcinoma showed the best results, achieving a 69.6% regression rate. In 30 cases (63%), downstaging was observed. Among the 46 patients who underwent subsequent surgical therapy, the bladder could be preserved in 26 cases by transurethral resection or segmental resection. According to the criteria of the Japanese Association of Cancer Therapy, a histological effect of GIII or better was obtained in 15 cases (29%). The histological effect correlated well with the tumor-regression rate. As compared with intravenous therapy with MTX, vinblastine, ADM, and CDDP (M-VAC), IA-MAC treatment was well tolerated due to its lower degree of bone marrow suppression, and it resulted in a longer disease-free interval and better survival. In addition, the period prior to surgical therapy was shortened in this study. These results suggest that IA-MAC chemotherapy can be useful as an arm of multidisciplinary treatment of advanced bladder tumors.
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Affiliation(s)
- M Kuriyama
- Department of Urology, Gifu University School of Medicine, Japan
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43
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Ando M, Isogai K, Azami H, Hirata N, Yanagi Y. Studies on the synthesis of sesquiterpene lactones, 12. Synthesis of (+)-colartin, (+)-arbusculin A, and their C-4 epimers and their biological activities. J Nat Prod 1991; 54:1017-1024. [PMID: 1791470 DOI: 10.1021/np50076a015] [Citation(s) in RCA: 22] [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] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Colartin [9] and arbusculin A [11] have been synthesized from alpha-santonin [1] in 14.5% (11 steps) and 9.3% (13 steps) overall yields, respectively. Arbusculin A [11] and compounds 20, 21, and 22, which were derived from intermediate 2, showed significant cell growth inhibitory activity against murine lymphocytic leukemia (P-388) in vitro. Plant growth regulating activity of 11 and its synthetic intermediates 4, 5, 8, and 9 was also studied.
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Affiliation(s)
- M Ando
- Department of Applied Chemistry, Faculty of Engineering, Niigata University, Japan
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44
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Kosaka T, Isogai K, Barnstable CJ, Heizmann CW. Monoclonal antibody HNK-1 selectively stains a subpopulation of GABAergic neurons containing the calcium-binding protein parvalbumin in the rat cerebral cortex. Exp Brain Res 1990; 82:566-74. [PMID: 1705516 DOI: 10.1007/bf00228797] [Citation(s) in RCA: 31] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Monoclonal antibody HNK-1 is shown to outline selectively a subpopulation of GABAergic neurons containing a specific calcium-binding protein parvalbumin (PV) in the adult rat parietal cortex, using pre- and postembedding immunocytochemistry at light microscopic level. About 98% of HNK-1 stained cells in the rat parietal cortex were PV immunoreactive. About 95% of HNK-1 immunoreactive cells were also shown to be stained with a lectin, Vicia villosa agglutinin (VVA), with a specific affinity for terminal N-acetylgalactosamine, which has been previously shown to stain selectively a subpopulation of PV-containing GABAergic neurons in this region. Furthermore almost all HNK-1 immunoreactive cells were also stained with a monoclonal antibody, 3B3, which is specific for chondroitin sulfate proteoglycan. 3B3 was shown in the present study to stain selectively a subpopulation of PV-immunoreactive neurons in the adult rat parietal cortex. In addition, a direct comparison of two monoclonal antibodies HNK-1 and VC1.1 revealed that these two were identical in their staining properties and that they defined the same subset of PV-containing GABAergic neurons in the rat parietal cortex.
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Affiliation(s)
- T Kosaka
- Department of Anatomy, Faculty of Medicine, Kyushu University, Fukuoka, Japan
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45
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Hisamatsu S, Katsumata T, Takizawa Y, Inoue Y, Isogai K, Kim JM, Katagiri H, Takashima Y, Kaji T, Nagatani F. Interlaboratory comparison of low-level organic tritium measurement in environmental samples. Radioisotopes 1990; 39:457-63. [PMID: 2247660 DOI: 10.3769/radioisotopes.39.10_457] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- S Hisamatsu
- Akita University School of Medicine, Hondo, Japan
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46
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Orii S, Chiba S, Isogai K, Nakano O, Kano A. [An advanced gastric cancer with varied histopathologic features including a choriocarcinoma: report of a case]. Gan No Rinsho 1990; 36:736-42. [PMID: 2161470] [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: 12/30/2022]
Abstract
A 77-year-old male, complaining of epigastralgia, was admitted to hospital. An upper GI series revealed a hemispheric filling defect at the greater curvature of the lower gastric body and two submucosal tumor-like lesions of the antrum. Closer inspection revealed a tumor measuring 60 x 42 mm, with an irregular ulcer, and two submucosal tumor-like lesions with bridging folds, measuring 42 x 28 mm and 20 x 14 mm, respectively. Histologically, the microscopic features in the ulcerated tumor showed a variety of tumor cells with clear PAS-positive cytoplasms and marked atypical nuclei forming glandular structures that predominated. Additionally, a clear cell carcinoma, a papillary adenocarcinoma, a signet-ring cell carcinoma, and a choriocarcinoma were partially seen. Finally, in the submucosal tumor-like lesions, diffuse small tumor cells with scanty PAS-positive cytoplasms without granular structures were seen.
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Affiliation(s)
- S Orii
- 1st Dept. of Int. Med. School of Med., Iwate Medical Univ
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47
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Ishihara S, Kobayashi S, Yamaha M, Takeuchi T, Kuriyama M, Ban Y, Kawada Y, Takahashi Y, Horie M, Isogai K. Metastatic renal tumor from the lung with regional lymph node involvement: a case report. Hinyokika Kiyo 1990; 36:51-4. [PMID: 2408264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
We report a case of metastatic renal tumor from lung cancer. A 53-year-old man presented with gross hematuria 2 years after treatment of the primary lesion. Investigations suggested a metastatic tumor in the right kidney from the lung which was accompanied with regional lymph node metastasis. Surgical treatment was not performed because of his poor condition and the lymph node involvement. Therefore, the combination chemotherapy of 5-fluorouracil, vincristine and doxorubicin, OK-432 was applied. Although this conservative management was effective, he died of progression 6 months later and an autopsy confirmed the diagnosis of metastatic renal tumor.
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Affiliation(s)
- S Ishihara
- Department of Urology, Gifu University School of Medicine
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48
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Komeda H, Horie M, Isogai K. [A case report of scrotal hemangioma]. Hinyokika Kiyo 1989; 35:911-2. [PMID: 2678968] [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: 01/02/2023]
Abstract
A 21-year-old man with painless tumor in the right scrotum was seen at our Department. The tumor was resected surgically and histological examination revealed venous hemangioma. This case is 26th case of scrotal hemangioma in Japan.
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Affiliation(s)
- H Komeda
- Department of Urology, Ogaki Municipal Hospital
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49
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Takahashi Y, Kuriyama M, Kawada Y, Komeda H, Horie M, Isogai K. [Multimodality treatment of adrenal ganglioneuroblastoma: a case report]. Hinyokika Kiyo 1988; 34:2149-54. [PMID: 3071124] [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: 01/04/2023]
Abstract
We present adult adrenal ganglioneuroblastoma with giant regional lymph node metastasis. The patient was a 21-year-old male, who had a left adrenal tumor diagnosed by ultrasonography incidentally. He was moderately developed and physical examination was almost normal. Blood pressure was within the normal range. Only the value of the vanilmandelic acid, which was 68.7 mg/day, in the urine was abnormal. Other laboratory data were almost normal. Neither chemical nor physical hormonal disorders were present. We carried out the radical surgical treatment by trans-thoracoabdominal approach under the diagnosis of left adrenal neuroblastoma. Pathological diagnosis was ganglioneuroblastoma. After the operation, the patient received both systemic chemotherapy of vincristine and cyclophosphamide and immunotherapy of OK-432 by subcutaneous administration. Furthermore, 40 Gy of the regional irradiation of 60Co to the operative space after the surgery was performed. At eight months after the operation, he is alive with no evidence of disease. Ganglioneuroblastoma is a neuroblastic tumor including neuroblastoma, which commonly occurs in childhood. The prognosis of the neuroblastic tumors which occur either in the adrenal gland of a young child or in an older child is poor. On the other hand, the biological activity of the adult neuroblastic tumors is different from that of the pediatric neuroblastic tumors. In the adult, the adrenal ganglioneuroblastoma does not always have a poor prognosis. The multimodality treatment which we performed is effective for the neuroblastic tumor. Ultrasonography is both effective and adequate for the screening of the retroperitoneal lesion such as in our case.
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Affiliation(s)
- Y Takahashi
- Department of Urology, Gifu University School of Medicine
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50
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Takahashi Y, Komeda H, Horie M, Isogai K, Kanematsu I, Kuriyama M, Kawada Y. [Paget's disease of the scrotum]. Hinyokika Kiyo 1988; 34:1069-72. [PMID: 2851935] [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: 01/02/2023]
Abstract
We reported a case of Paget's disease of the scrotum, a rare disease in urological field. The patient had successful radical resection of the dermal tumor and scrotal plasty. Paget's disease has a low malignancy and its treatment is necessary as the same manner to scrotal cancer. Although most scrotal malignancies are squamous cell carcinoma, urologists should recognize this borderline disorder exactly such as in this case and treat patients with co-operation to the relative fields.
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Affiliation(s)
- Y Takahashi
- Department of Urology, Ogaki Municipal Hospital
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