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Horita Y, Nishino M, Sugimoto S, Kida A, Mizukami A, Yano M, Arihara F, Matsuda K, Matsuda M, Sakai A. Phase II clinical trial of second-line weekly paclitaxel plus trastuzumab for patients with HER2-positive metastatic gastric cancer. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx369.071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Nakamura D, Nishino M, Yasunaga M, Yanagawa K, Nakamura H, Matsuhiro Y, Yasumura K, Yasumoto K, Tanaka A, Mori N, Yano M, Egami Y, Shutta R, Tanouchi J. 3117Impact of neoatherosclerosis in lesions with in-stent restenosis evaluated by optical coherence tomography on mid-term outcome after plain old balloon angioplasty and drug coated balloon. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx504.3117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Nakamura D, Nishino M, Yasunaga M, Yanagawa K, Nakamura H, Matsuhiro Y, Yasumura K, Yasumoto K, Tanaka A, Mori N, Yano M, Egami Y, Shutta R, Tanouchi J. P6115Difference of neoatherosclerosis pattern in lesions with in-stent restenosis among bare-metal, first and second generation drug-eluting stents: optical coherence tomography study. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p6115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Khandelwal A, Sholl LM, Araki T, Ramaiya NH, Hatabu H, Nishino M. Patterns of metastasis and recurrence in thymic epithelial tumours: longitudinal imaging review in correlation with histological subtypes. Clin Radiol 2016; 71:1010-1017. [PMID: 27267746 DOI: 10.1016/j.crad.2016.05.007] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Revised: 04/26/2016] [Accepted: 05/09/2016] [Indexed: 02/05/2023]
Abstract
AIM To determine the patterns of metastasis and recurrence in thymic epithelial tumours based on longitudinal imaging studies, and to correlate the patterns with World Health Organization (WHO) histological classifications. MATERIALS AND METHODS Seventy-seven patients with histopathologically confirmed thymomas (n=62) and thymic carcinomas (n=15) who were followed with cross-sectional follow-up imaging after surgery were retrospectively studied. All cross-sectional imaging studies during the disease course were reviewed to identify metastasis or recurrence. The sites of involvement and the time of involvement measured from surgery were recorded. RESULTS Metastasis or recurrence was noted in 24 (31%) of the 77 patients. Patients with metastasis or recurrence were significantly younger than those without (median age: 46 versus 60, respectively; p=0.0005), and more commonly had thymic carcinomas than thymomas (p=0.002). The most common site of involvement was the pleura (17/24), followed by the lung (9/24), and thoracic nodes (9/24). Abdominopelvic involvement was noted in 12 patients, most frequently in the liver (n=8). Lung metastasis was more common in thymic carcinomas than thymomas (p=0.0005). Time from surgery to the development of metastasis or recurrence was shortest in thymic carcinoma, followed by high-risk thymomas, and was longest in low-risk thymoma (median time in months: 25.1, 68.8, and not reached, respectively; p=0.0015). CONCLUSIONS The patterns of metastasis and recurrence of thymic epithelial tumours differ significantly across histological subgroups, with thymic carcinomas more commonly having metastasis with shorter length of time after surgery. The knowledge of different patterns of tumour spread may contribute to further understanding of the biological and clinical behaviours of these tumours.
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van der Hulle T, den Exter PL, Planquette B, Meyer G, Soler S, Monreal M, Jiménez D, Portillo AK, O'Connell C, Liebman HA, Shteinberg M, Adir Y, Tiseo M, Bersanelli M, Abdel-Razeq HN, Mansour AH, Donnelly OG, Radhakrishna G, Ramasamy S, Bozas G, Maraveyas A, Shinagare AB, Hatabu H, Nishino M, Huisman MV, Klok FA. Risk of recurrent venous thromboembolism and major hemorrhage in cancer-associated incidental pulmonary embolism among treated and untreated patients: a pooled analysis of 926 patients. J Thromb Haemost 2016; 14:105-13. [PMID: 26469193 PMCID: PMC7480998 DOI: 10.1111/jth.13172] [Citation(s) in RCA: 88] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Accepted: 09/30/2015] [Indexed: 12/17/2022]
Abstract
UNLABELLED ESSENTIALS: We performed a pooled analysis of 926 patients with cancer-associated incidental pulmonary embolism (IPE). Vitamin K antagonists (VKA) are associated with a higher risk of major hemorrhage. Recurrence risk is comparable after subsegmental and more proximally localized IPE. Our results support low molecular weight heparins over VKA and similar management of subsegmental IPE. BACKGROUND Incidental pulmonary embolism (IPE) is defined as pulmonary embolism (PE) diagnosed on computed tomography scanning not performed for suspected PE. IPE has been estimated to occur in 3.1% of all cancer patients and is a growing challenge for clinicians and patients. Nevertheless, knowledge about the treatment and prognosis of cancer-associated IPE is scarce. We aimed to provide the best available evidence on IPE management. METHODS Incidence rates of symptomatic recurrent venous thromboembolism (VTE), major hemorrhage, and mortality during 6-month follow-up were pooled using individual patient data from studies identified by a systematic literature search. Subgroup analyses based on cancer stage, thrombus localization, and management were performed. RESULTS In 926 cancer patients with IPE from 11 cohorts, weighted pooled 6-month risks of recurrent VTE, major hemorrhage and mortality were 5.8% (95% confidence interval [CI] 3.7-8.3%), 4.7% (95% CI 3.0-6.8%), and 37% (95% CI 28-47%). VTE recurrence risk was comparable under low molecular weight heparins (LMWH) and vitamin K antagonists (VKAs) (6.2% vs. 6.4%; hazard ratio [HR] 0.9; 95% CI 0.3-3.1), while 12% in untreated patients (HR 2.6; 95% CI 0.91-7.3). Risk of major hemorrhage was higher under VKAs than under LMWH (13% vs. 3.9%; HR 3.9; 95% CI 1.6-10). VTE recurrence risk was comparable in patients with an subsegmental IPE and those with a more proximally localized IPE (HR 1.1; 95% CI 0.50-2.4). CONCLUSION These results support the current recommendation to anticoagulate cancer-associated IPE with LMWH and argue against different management of subsegmental IPE.
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Egawa C, Hirokaga K, Takao S, Yamagami K, Miyashita M, Baba M, Ichii S, Konishi M, Kikawa Y, Minohata J, Okuno T, Miyauchi K, Wakita K, Suwa H, Hashimoto T, Nishino M, Matsumoto T, Hidaka T, Konishi Y, Sakoda Y, Miya A, Mitsunobu M, Nishikawa H, Kono S, Kokufu I, Sakita I, Kitatsuji K, Oh K, Miyoshi Y. Risk factors for joint symptoms in postmenopausal Japanese breast cancer patients treated with anastrozole: a prospective multicenter cohort study of patient-reported outcomes. Int J Clin Oncol 2015; 21:262-269. [PMID: 26411314 DOI: 10.1007/s10147-015-0905-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2015] [Accepted: 09/08/2015] [Indexed: 11/29/2022]
Abstract
BACKGROUND Endocrine treatment-related adverse events have a strong impact on patients' quality of life and sometimes result in treatment discontinuation. Since joint symptoms are the most frequently recognized side effect of aromatase inhibitors, evaluation of associated risk factors may yield significant findings. PATIENTS AND METHODS A total of 391 postmenopausal Japanese women with estrogen receptor-positive breast cancer and treated with adjuvant anastrozole were enrolled from 28 centers for assessment of patient-reported outcomes (PROs) in this prospective cohort study (SAVS-JP, UMIN000002455). Patients completed the self-report questionnaire at baseline and after 3, 6, 9, and 12 months of treatment for evaluation of frequency of treatment-related joint symptoms (arthralgia, decrease in range of joint motion, and joint stiffness). RESULTS We obtained PROs from 362 patients (92.6 %) at baseline and at one or more subsequent points. New or worsening from baseline of joint symptoms were reported by 260 patients (71.8 %). More than 90 % of the symptoms were mild or moderate and nearly 80 % had occurred by 6 months. Multivariate analysis showed that a short time span after menopause [odds ratio (OR) 0.95, 95 % confidence interval (CI) 0.90-0.99; P = 0.02] and adjuvant chemotherapy (OR 2.29, 95 % CI 1.06-4.95; P = 0.03) were significant independent risk factors for joint symptoms. No significant relationships between body mass index (BMI) and joint symptoms were identified. Eighteen patients discontinued treatment during the 1st year and eight of them reported joint symptoms. CONCLUSION Taking into consideration that PROs may yield higher prevalence rates than physician ratings for symptoms published in pivotal clinical trials, we found that a short time span after menopause and use of adjuvant chemotherapy, but not high BMI, were significantly associated with joint symptoms. These findings might prove useful for counseling before initiating treatment with adjuvant aromatase inhibitors in postmenopausal Japanese women.
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Nishino M, Jackman DM, DiPiro PJ, Hatabu H, Jänne PA, Johnson BE. Revisiting the relationship between tumour volume and diameter in advanced NSCLC patients: An exercise to maximize the utility of each measure to assess response to therapy. Clin Radiol 2014; 69:841-8. [PMID: 24857677 DOI: 10.1016/j.crad.2014.03.020] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2014] [Revised: 03/12/2014] [Accepted: 03/27/2014] [Indexed: 10/25/2022]
Abstract
AIM To revisit the presumed relationship between tumour diameter and volume in advanced non-small-cell lung cancer (NSCLC) patients, and determine whether the measured volume using volume-analysis software and its proportional changes during therapy matches with the calculated volume obtained from the presumed relationship and results in concordant response assessment. MATERIALS AND METHODS Twenty-three patients with stage IIIB/IV NSCLC with a total of 53 measurable lung lesions, treated in a phase II trial of erlotinib, were studied with institutional review board approval. Tumour volume and diameter were measured at baseline and at the first follow-up computed tomography (CT) examination using volume-analysis software. Using the measured diameter (2r) and the equation, calculated volume was obtained as (4/3)πr(3) at baseline and at the follow-up. Percent volume change was obtained by comparing to baseline for measured and calculated volumes, and response assessment was assigned. RESULTS The measured volume was significantly smaller than the calculated volume at baseline (median 11,488.9 mm(3) versus 17,148.6 mm(3); p < 0.0001), with a concordance correlation coefficient (CCC) of 0.7022. At follow-up, the measured volume was once again significantly smaller than the calculated volume (median 6573.5 mm(3) versus 9198.1 mm(3); p = 0.0022), with a CCC of 0.7408. Response assessment by calculated versus measured volume changes had only moderate agreement (weighted κ = 0.545), with discordant assessment results in 20% (8/40) of lesions. CONCLUSION Calculated volume based on the presumed relationship significantly differed from the measured volume in advanced NSCLC patients, with only moderate concordance in response assessment, indicating the limitations of presumed relationship.
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Araki T, Sholl LM, Gerbaudo VH, Hatabu H, Nishino M. Intrathymic cyst: clinical and radiological features in surgically resected cases. Clin Radiol 2014; 69:732-8. [PMID: 24824976 DOI: 10.1016/j.crad.2014.03.002] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2014] [Revised: 02/27/2014] [Accepted: 03/03/2014] [Indexed: 02/01/2023]
Abstract
AIM To investigate radiological and clinical characteristics of pathologically proven cases of intrathymic cysts. MATERIALS AND METHODS The study population consisted of 18 patients (five males, 13 females; median age 56 years) with pathologically confirmed intrathymic cysts who underwent thymectomy and had preoperative chest computed tomography (CT) available for review. The patient demographics, clinical presentation, and preoperative radiological diagnoses were reviewed. CT images were evaluated for shape, contour, location of the cysts and the presence of adjacent thymic tissue, mass effect, calcifications, and septa. The size and CT attenuations of the cysts were measured. RESULTS The most common CT features of intrathymic cysts included oval shape (9/18; 50%), smooth contour (12/18; 67%), midline location (11/18; 61%), the absence of visible adjacent thymic tissue (12/18; 67%), and the absence of calcification (16/18; 89%). The mean longest diameter and the longest perpendicular diameter were 25 mm (range 17-49 mm) and 19 mm (range 10-44 mm), respectively. The mean CT attenuation was 38 HU (range 6-62 HU) on contrast-enhanced CT, and was 45 HU (range 26-64 HU) on unenhanced CT (p = 0.41). The CT attenuation was >20 HU in 15 of 18 patients (83%). Preoperative radiological diagnosis included thymoma in 11 patients. CONCLUSION In surgically removed, pathologically proven cases of intrathymic cyst, the CT attenuation was >20 HU in most cases, leading to the preoperative diagnosis of thymoma. Awareness of the spectrum of imaging findings of the entity is essential to improve the diagnostic accuracy and patient management.
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Slimani A, Boukheddaden K, Varret F, Nishino M, Miyashita S. Properties of the low-spin high-spin interface during the relaxation of spin-crossover materials, investigated through an electro-elastic model. J Chem Phys 2013; 139:194706. [DOI: 10.1063/1.4829462] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Taniike M, Nishino M, Yoshimura T, Nakamura D, Makino N, Egami Y, Shutta R, Morita H, Tanouchi J, Yamada Y. In-stent tissue characteristics detected by optical coherence tomography may affect re-restenosis after cutting balloon angioplasty for in-stent restenosis. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht308.p1221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Mori N, Nishino M, Nakamura D, Yoshimura T, Taniike M, Makino N, Egami Y, Shutta R, Tanouchi J, Yamada Y. Different neointimal response to overlapping segments between everolimus eluting stents and sirolimus eluting stents -optical coherence tomographic study. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht309.2673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Lewis J, Mamata H, Tokuda J, Mishra P, Hermann G, Hatabu H, Nishino M, Mak R. TH-C-141-08: A Feasibility Study of the Utility of Dynamic Contrast-Enhanced MRI for Treatment Planning and Monitoring Treatment Response in Lung Stereotactic Body Radiation Therapy. Med Phys 2013. [DOI: 10.1118/1.4815776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Sugimoto M, Shirai N, Nishino M, Kodaira C, Uotani T, Yamade M, Sahara S, Ichikawa H, Sugimoto K, Miyajima H, Furuta T. Rabeprazole 10 mg q.d.s. decreases 24-h intragastric acidity significantly more than rabeprazole 20 mg b.d. or 40 mg o.m., overcoming CYP2C19 genotype. Aliment Pharmacol Ther 2012; 36:627-34. [PMID: 22882464 DOI: 10.1111/apt.12014] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2012] [Revised: 06/26/2012] [Accepted: 07/20/2012] [Indexed: 12/14/2022]
Abstract
BACKGROUND Standard dosing (i.e. once daily) of proton pump inhibitors (PPIs) cannot inhibit acid secretion for a full 24 h. Better therapeutic regimens using PPIs are required to sustain potent acid inhibition for the full 24 h in all patients with acid-related diseases. AIM To evaluate acid inhibitory effects by different dosing times of a PPI at the same daily dosage, in a study involving 70 rounds of pH monitoring. METHODS Using pH monitoring, we evaluated the efficacy of different divided treatment regimens with the same total daily dose of rabeprazole (40 mg o.m., 15 rounds; 20 mg b.d., 20 rounds; 10 mg q.d.s., 35 rounds) on day 7 or 8 of PPI dosing. RESULTS In the study of divided treatment, the median pH (when administered once, twice or four times to achieve a daily dose of 40 mg) was 4.8 (3.6-6.4), 5.7 (4.1-7.4), 6.6 (4.9-8.4), respectively. When comparing the median pHs at the same CYP2C19 genotype among different dosing times of rabeprazole, the median pH attained with 10 mg q.d.s. was significantly higher than that in 40 mg o.m. or 20 mg b.d. Increase in the frequency of dosing effectively increased pH [median percent time of pH > 4.0 with q.d.s. therapy: 95.5% (63.2-100.0%)], irrespective to CYP2C19 genotype. CONCLUSION Four times daily dosing with rabeprazole 10 mg achieved potent acid inhibition, including during the night-time, suggesting its potential usefulness as a regimen for patients who are refractory to standard once daily PPI treatment.
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Yokogawa M, Nishino M, Miaki H. Effects of autonomic nervous function with the application of manual breathing assistance. Int J Psychophysiol 2012. [DOI: 10.1016/j.ijpsycho.2012.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Ohtaka A, Gelder S, Nishino M, Ikeda M, Toyama H, Cui YD, He XB, Wang HZ, Chen RB, Wang ZY. Distributions of two ectosymbionts, branchiobdellidans (Annelida: Clitellata) and scutariellids (Platyhelminthes: “Turbellaria”: Temnocephalida), on atyid shrimp (Arthropoda: Crustacea) in southeast China. J NAT HIST 2012. [DOI: 10.1080/00222933.2012.692826] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Terada H, Tamaki S, Shono T, Tatsuta H, Hoso T, Matsumoto M, Sakai S, Nishino M, Yamamoto Y. [Case report; a saved case of Legionella pneumonia by percutaneous cardiopulmonary support]. NIHON NAIKA GAKKAI ZASSHI. THE JOURNAL OF THE JAPANESE SOCIETY OF INTERNAL MEDICINE 2011; 100:3625-3628. [PMID: 22338894 DOI: 10.2169/naika.100.3625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
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Kitada N, Nishino M, Yasuda J, Morita S, Fujii C, Minegaki T, Kondoh M, Anami S, Takara K, Watari M. [Equalization of breast cancer chemotherapy at general hospital( II )-evaluation of safety in FEC and TC regimens]. Gan To Kagaku Ryoho 2009; 36:1671-1675. [PMID: 19838026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The safety of epirubicin (75 mg/m(2)), 5-fluorouracil (500 mg/m(2)) plus cyclophosphamide (500 mg/m(2)) (FEC75 therapy) and docetaxel (75 mg/m(2)) plus cyclophosphamide (600 mg/m(2)) (TC therapy) every three weeks as neoadjuvant or adjuvant chemotherapy was evaluated. Six or 9 patients received FEC75 or TC therapy, respectively. The nadir of white blood cells and neutrocyte counts in FEC75 and TC therapy were after 11-15 days and 8-11 days of chemotherapy, respectively. On the other hand, those of monocyte and reticulocyte counts were after 8-11 and 4-8 days for FEC75 and TC therapy, respectively. This suggests that there is a lag time in these parameters for the evaluation of myelosuppression in each chemotherapy regimen, resulting in the prediction of the degree of myelotoxicity by these profiles. Although 2 patients who received TC therapy encountered febrile neutropenia, the symptoms were improved by quinolones, and so granulocyte colony-stimulating factor was not needed. In addition, remarkable non-hematological side effects were not observed, and, therefore, almost all chemotherapy was performed as scheduled. From these results, FEC75 and TC therapy are considered to be safe.
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Furuta T, Kodaira C, Nishino M, Yamade M, Sugimoto M, Ikuma M, Hishida A, Watanabe H, Umemura K. [13C]-pantoprazole breath test to predict CYP2C19 phenotype and efficacy of a proton pump inhibitor, lansoprazole. Aliment Pharmacol Ther 2009; 30:294-300. [PMID: 19459830 DOI: 10.1111/j.1365-2036.2009.04044.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND (13)CO(2) is produced on metabolism of (13)C-labelled-pantoprazole ([(13)C]-pantoprazole) by CYP2C19. AIM To investigate whether the [(13)C]-pantoprazole breath test can predict CYP2C19 status and efficacy of proton pump inhibitors (PPIs) in Japanese. METHODS We classified 110 healthy volunteers as rapid metabolizers (RM), intermediate metabolizers (IM) or poor metabolizers (PM) of CYP2C19 by genotyping. Breath samples were collected at 10-min intervals for 60 min after dosing with 100 mg [(13)C]-pantoprazole. Changes in the carbon isotope ratios ((13)CO(2)/(12)CO(2)) in carbon dioxide in breath samples were measured and expressed as a delta-over-baseline (DOB) ratio ( per thousand). Of the 110 subjects, twenty-two randomly selected subjects underwent intragastric pH monitoring on day 7 of dosing with 30 mg of lansoprazole. RESULTS The DOB values of RMs were the highest and those of PMs the lowest of the three groups. Statistically significant differences were observed in the area-under-the-curve (AUC)(20-60 min) of DOB among the three groups. The mean 24-h intragastric pHs attained by lansoprazole 30 mg for 7 days were inversely correlated with the AUC(20-60 min) of DOB. CONCLUSIONS [(13)C]-pantoprazole breath test can easily estimate the individual activity of CYP2C19 and predict the efficacy of a PPI (i.e. lansoprazole). This test would be useful for individualized medicine with a PPI.
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Nishino M, Iimuro Y, Ueki T, Hirano T, Fujimoto J. Hepatocyte growth factor improves survival after partial hepatectomy in cirrhotic rats suppressing apoptosis of hepatocytes. Surgery 2008; 144:374-84. [PMID: 18707036 DOI: 10.1016/j.surg.2008.04.011] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2007] [Accepted: 04/09/2008] [Indexed: 01/18/2023]
Abstract
BACKGROUND Liver failure after hepatic resection is still a critical issue in the treatment of hepatic tumors in patients with liver cirrhosis. In the current study, the effect of hepatocyte growth factor (HGF) gene transfer, which is a multipotent growth factor, was examined in rats with liver cirrhosis that underwent 2/3 partial hepatectomy (PH). METHODS Rats were treated with 1 mL of 1% dimethylnitrosoamine (DMN) 3 consecutive days per week for 4 weeks and then received a 2/3 PH. Three days before the PH, human HGF gene plasmid (20 microg) encapsulated in hemagglutinating virus of Japan (HVJ)-liposome was administered through a direct injection in the portal vein. Control cirrhotic rats received empty HVJ-liposome in the same manner. RESULTS HGF gene transfer significantly improved survival after PH in the cirrhotic rats, and it stimulated BrdU uptake in hepatocytes. Although the HGF gene transfer did not change the liver regeneration rate after PH, it suppressed hepatocyte apoptosis and upregulated an antiapoptotic protein, Bcl-xl, but it did not affect the expression of Bax, which is a proapoptotic protein. CONCLUSION HGF gene transfer to cirrhotic livers improves liver failure-associated death after PH upregulating expression of an antiapoptotic protein, Bcl-xl.
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Tsuboi Y, Nishino M, Kitamura N. Laser-Induced Reversible Volume Phase Transition of a Poly(N-isopropylacrylamide) Gel Explored by Raman Microspectroscopy. Polym J 2008. [DOI: 10.1295/polymj.pj2007186] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Tsuboi Y, Nishino M, Matsuo Y, Ijiro K, Kitamura N. Phase Separation of Aqueous Poly(vinyl methyl ether) Solutions Induced by the Photon Pressure of a Focused Near-Infrared Laser Beam. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2007. [DOI: 10.1246/bcsj.80.1926] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Furuta T, Sugimoto M, Shirai N, Matsushita F, Nakajima H, Kumagai J, Senoo K, Kodaira C, Nishino M, Yamade M, Ikuma M, Watanabe H, Umemura K, Ishizaki T, Hishida A. Effect of MDR1 C3435T polymorphism on cure rates of Helicobacter pylori infection by triple therapy with lansoprazole, amoxicillin and clarithromycin in relation to CYP 2C19 genotypes and 23S rRNA genotypes of H. pylori. Aliment Pharmacol Ther 2007; 26:693-703. [PMID: 17697203 DOI: 10.1111/j.1365-2036.2007.03408.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND Polymorphism in MDR1 is associated with variation in the plasma level of a proton pump inhibitor. AIM To investigate whether MDR1 polymorphism is associated with eradication rates of Helicobacter pylori by a triple therapy with lansoprazole, amoxicillin and clarithromycin in relation to CYP2C19 genotype status and bacterial susceptibility to clarithromycin. METHODS A total of 313 patients infected with H. pylori completed the treatment with lansoprazole 30 mg b.d., clarithromycin 200 mg b.d. and amoxicillin 750 mg b.d. for 1 week. MDR1 C3435T polymorphism and CYP2C19 genotypes of patients and sensitivity of H. pylori to clarithromycin were determined. RESULTS Logistic regression analysis revealed that the MDR1 polymorphism as well as CYP2C19 genotypes of patients and clarithromycin-resistance of H. pylori were significantly associated with successful eradication. Eradication rates for H. pylori were 82% (83/101: 95% CI = 73-89), 81% (112/139: CI = 73-87), and 67% (44/73: CI = 48-72) in patients with the MDR1 3435 C/C, C/T and T/T genotype, respectively (P = 0.001). CONCLUSIONS Polymorphism of MDR1 is one of the determinants of successful eradication of H. pylori by the triple therapy with lansoprazole, amoxicillin and clarithromycin, together with CYP2C19 genotype and bacterial susceptibility to clarithromycin.
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Furuta T, Sugimoto M, Shirai N, Matsushita F, Nakajima H, Kumagai J, Senoo K, Kodaira C, Nishino M, Yamade M, Ikuma M, Watanabe H, Umemura K, Ishizaki T, Hishida A. Effect of MDR1 C3435T polymorphism on cure rates of Helicobacter pylori infection by triple therapy with lansoprazole, amoxicillin and clarithromycin in relation to CYP 2C19 genotypes and 23S rRNA genotypes of H. pylori. Aliment Pharmacol Ther 2007. [PMID: 17697203 DOI: 10.1111/j.1365-2036.2007.03408] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
BACKGROUND Polymorphism in MDR1 is associated with variation in the plasma level of a proton pump inhibitor. AIM To investigate whether MDR1 polymorphism is associated with eradication rates of Helicobacter pylori by a triple therapy with lansoprazole, amoxicillin and clarithromycin in relation to CYP2C19 genotype status and bacterial susceptibility to clarithromycin. METHODS A total of 313 patients infected with H. pylori completed the treatment with lansoprazole 30 mg b.d., clarithromycin 200 mg b.d. and amoxicillin 750 mg b.d. for 1 week. MDR1 C3435T polymorphism and CYP2C19 genotypes of patients and sensitivity of H. pylori to clarithromycin were determined. RESULTS Logistic regression analysis revealed that the MDR1 polymorphism as well as CYP2C19 genotypes of patients and clarithromycin-resistance of H. pylori were significantly associated with successful eradication. Eradication rates for H. pylori were 82% (83/101: 95% CI = 73-89), 81% (112/139: CI = 73-87), and 67% (44/73: CI = 48-72) in patients with the MDR1 3435 C/C, C/T and T/T genotype, respectively (P = 0.001). CONCLUSIONS Polymorphism of MDR1 is one of the determinants of successful eradication of H. pylori by the triple therapy with lansoprazole, amoxicillin and clarithromycin, together with CYP2C19 genotype and bacterial susceptibility to clarithromycin.
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Castaman G, Rodeghiero F, Tosetto A, Cappelletti A, Baudo F, Eikenboom JCJ, Federici AB, Lethagen S, Linari S, Lusher J, Nishino M, Petrini P, Srivastava A, Ungerstedt JS. Hemorrhagic symptoms and bleeding risk in obligatory carriers of type 3 von Willebrand disease: an international, multicenter study. J Thromb Haemost 2006; 4:2164-9. [PMID: 16999850 DOI: 10.1111/j.1538-7836.2006.02070.x] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVES We undertook an international, multicenter study to describe the clinical picture and to estimate the bleeding risk in a group of obligatory carriers of type 3 von Willebrand disease (VWD). PATIENTS AND METHODS Obligatory carriers (OC) of type 3 VWD were identified by the presence of offspring with type 3 VWD or by being an offspring of a type 3 patient. Normal controls were age- and sex-matched with the obligatory carriers. A physician-administered standardized questionnaire was used to evaluate hemorrhagic symptoms at presentation. A score system ranging from 0 (no symptom) to 3 (hospitalization, replacement therapy, blood transfusion) was used to quantitate bleeding manifestations. Odds ratios were computed for each symptom. RESULTS Ten centers participated to the study, enrolling a total of 35 type 3 VWD families, with 70 OC. A total of 215 normal controls and 42 OC for type 1 VWD were also included. About 40% of type 3 OC had at least one bleeding symptom compared to 23% of normal controls and 81.8% of type 1 OC (P < 0.0001 by chi-squared test), showing that type 3 OC clearly represent a distinct population from type 1 OC. The clinical situations associated with an increase of bleeding risk in type 3 OC were epistaxis [odds ratio 3.6; 90% confidence intervals (CI) 1.84-21.5], cutaneous bleeding (odds ratio 5.5; 90% CI 2.5-14.1) and postsurgical bleeding (odds ratio 16.3; 90% CI 4.5-59). The severity of bleeding score correlated with the degree of factor (F) VIII reduction in plasma. CONCLUSIONS OC for type 3 VWD represent a distinctive population from type 1 OC. These patients, however, present with more frequent bleeding symptoms in comparison to normal controls, especially in case of significantly low FVIII. Desmopressin and/or tranexamic acid might be useful to prevent or treat bleeding in these cases.
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Sadler JE, Budde U, Eikenboom JCJ, Favaloro EJ, Hill FGH, Holmberg L, Ingerslev J, Lee CA, Lillicrap D, Mannucci PM, Mazurier C, Meyer D, Nichols WL, Nishino M, Peake IR, Rodeghiero F, Schneppenheim R, Ruggeri ZM, Srivastava A, Montgomery RR, Federici AB. Update on the pathophysiology and classification of von Willebrand disease: a report of the Subcommittee on von Willebrand Factor. J Thromb Haemost 2006; 4:2103-14. [PMID: 16889557 DOI: 10.1111/j.1538-7836.2006.02146.x] [Citation(s) in RCA: 746] [Impact Index Per Article: 41.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
von Willebrand disease (VWD) is a bleeding disorder caused by inherited defects in the concentration, structure, or function of von Willebrand factor (VWF). VWD is classified into three primary categories. Type 1 includes partial quantitative deficiency, type 2 includes qualitative defects, and type 3 includes virtually complete deficiency of VWF. VWD type 2 is divided into four secondary categories. Type 2A includes variants with decreased platelet adhesion caused by selective deficiency of high-molecular-weight VWF multimers. Type 2B includes variants with increased affinity for platelet glycoprotein Ib. Type 2M includes variants with markedly defective platelet adhesion despite a relatively normal size distribution of VWF multimers. Type 2N includes variants with markedly decreased affinity for factor VIII. These six categories of VWD correlate with important clinical features and therapeutic requirements. Some VWF gene mutations, alone or in combination, have complex effects and give rise to mixed VWD phenotypes. Certain VWD types, especially type 1 and type 2A, encompass several pathophysiologic mechanisms that sometimes can be distinguished by appropriate laboratory studies. The clinical significance of this heterogeneity is under investigation, which may support further subdivision of VWD type 1 or type 2A in the future.
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Freilinger A, Rosner M, Krupitza G, Nishino M, Lubec G, Korsmeyer SJ, Hengstschläger M. Tuberin activates the proapoptotic molecule BAD. Oncogene 2006; 25:6467-79. [PMID: 16702951 DOI: 10.1038/sj.onc.1209660] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
TSC1, encoding hamartin, and TSC2, encoding tuberin, are tumor suppressor genes responsible for the autosomal dominantly inherited disease tuberous sclerosis (TSC). TSC affects approximately 1 in 6000 individuals and is characterized by the development of tumors, named hamartomas, in different organs. Hamartin and tuberin form a complex, of which tuberin is assumed to be the functional component. The TSC proteins have been implicated in the control of cell cycle and cell size. In addition to enhanced growth, reduced death rates can lead to tumor development. Therefore, defects in the apoptosis-inducing pathways contribute to neoplastic cell expansion. Here, we show that tuberin triggers apoptosis, accompanied by downregulation of p70S6K activity and of phosphorylation of BAD on residue Ser136, and by upregulation of the interaction of BAD/BCL-2 and BAD/BCL-XL. AKT phosphorylation negatively regulates tuberin's potential to trigger apoptosis. Experiments with BAD-/- cells demonstrate BAD to be a mediator of tuberin's effects on the regulation of apoptosis. Tuberin interferes with insulin-like growth factor-1-induced BAD Ser136 phosphorylation and cell survival. Our work proposes a model in which tuberin-mediated inhibition of p70S6K activates BAD to heterodimerize with BCL-2 and BCL-XL to promote apoptosis. A mutation of TSC2--as it occurs in TSC patients--attenuates this proapoptotic potential, underscoring the relevance of our findings for human pathophysiology.
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Takagi T, Doi T, Sakamoto H, Tatsuta H, Kobayashi Y, Tsubota Y, Nishino M, Nakano Y, Wakasaki H, Furuta H, Nanjo K. [A case report of autoimmune pancreatitis with Mikulicz' s disease and diabetes mellitus]. NIHON SHOKAKIBYO GAKKAI ZASSHI = THE JAPANESE JOURNAL OF GASTRO-ENTEROLOGY 2006; 103:180-8. [PMID: 16506667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
A 56-year-old man with bilateral swelling of lacrimal glands was admitted to our hospital. He was diagnosed as autoimmune pancreatitis with Mikulicz' s disease presenting the swelling of lacrimal glands, submandibular glands and the pancreas head and tail. Treatment with systemic prednisolone resulted in improvement of the swelling of these glands and pancreas. On the immunohistochemical examination, infiltration of CD4- and CD8-positive T lymphocytes was detected in the lacrimal gland, the submandibular gland, the gall bladder and the pancreas. Infiltration of IgG4-positive plasma cells was detected in the submandibular gland, the gall bladder and the pancreas. These results may suggest the presence of common etiology between autoimmune pancreatitis and Mikulicz' s disease.
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Sudo M, Nishino M, Okubo T. Decrease in herbicide concentrations and affected factors in lagoons located around Lake Biwa. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2006; 53:131-8. [PMID: 16594331 DOI: 10.2166/wst.2006.046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
The contamination levels and changes in the concentrations in four lagoons around Lake Biwa of paddy-use herbicide were studied. Four lagoons, Sone-numa (52 days of HRT (hydraulic residence time) estimated from the lagoon volume and the average discharge at the outlet, 21 ha area), Yanagihira-ko (40 days, 5.0 ha), Noda-numa (11 days, 6.0 ha), and Iba-naiko (2 days, 55.5 ha), were selected as monitoring sites. Intensive water sampling was carried out once a week from May to June at the outlet of each lagoon. Although twelve of the monitored herbicides were detected, the maximum concentrations did not exceed the guidelines for water-supply law in Japan. The relation between half-lives in herbicide concentrations and characteristics of a lagoon such as HRT and chlorophyll-a concentrations were examined. The shorter half-lives of herbicide concentrations in lagoons with shorter HRT means that replacement by influent water effectively decreased the pesticide concentrations. Shorter half-lives in lagoons with high chlorophyll-a concentrations between the lagoons with similar HRT suggest that biological degradation during the residence time worked more efficiently in the lagoon with high chlorophyll-a concentrations.
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Miyashita S, Konishi Y, Tokoro H, Nishino M, Boukheddaden K, Varret F. Structures of Metastable States in Phase Transitions with a High-Spin Low-Spin Degree of Freedom. ACTA ACUST UNITED AC 2005. [DOI: 10.1143/ptp.114.719] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Yan H, Nishino M, Tsuboi Y, Kitamura N, Tsujii K. Template-guided synthesis and individual characterization of poly(N-isopropylacrylamide)-based microgels. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2005; 21:7076-9. [PMID: 16042425 DOI: 10.1021/la0512749] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
We have succeeded in making cylindrical PNIPA-based microgels by a novel strategy in which template-guided synthesis and photochemical polymerization were combined. Cylindrical PNIPA-based microgels of relatively uniform sizes were easily obtained corresponding to the pore size of the template PC membranes. We have also individually characterized our PNIPA-based microgels by a laser trapping/Raman spectroscopy technique. On the basis of these results, the individual microscopic objects were confirmed to be PNIPA-based microgels.
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Nabae K, Ichihara T, Hagiwara A, Hirota T, Toda Y, Tamano S, Nishino M, Ogasawara T, Sasaki Y, Nakamura M, Shirai T. A 90-day oral toxicity study of beta-carotene derived from Blakeslea trispora, a natural food colorant, in F344 rats. Food Chem Toxicol 2005; 43:1127-33. [PMID: 15833388 DOI: 10.1016/j.fct.2005.03.003] [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] [Received: 11/22/2004] [Revised: 02/21/2005] [Accepted: 03/01/2005] [Indexed: 10/25/2022]
Abstract
A subchronic oral toxicity study of beta-carotene derived from Blakeslea trispora, a natural food colorant, was performed with groups of 10 male and 10 female F344 rats fed the agent at dietary levels of 0%, 0.2%, 1.0% and 5.0% for 90 days. There were no treatment-related adverse effects with regard to body weight, food and water consumption, urinalysis, ophthalmology, hematology, serum biochemistry, and organ weight data. On clinical observation, red coloring of fur was noted in both sexes of the 1.0% and 5.0% group rats, with red feces observed in all treated group animals, and necropsy revealed all rats of the treated groups to have reddish coloration of the contents of the gastro-intestinal tract, due to the pigmentation and thus lacking toxicological significance. On histopathological examination, sporadic spontaneous lesions known to occur in this strain of rats were the only findings, with no specific relation to the test substance. Thus, the no-observed-adverse-effect-level (NOAEL) was judged to be a dietary level of at least 5.0% (3127 mg/kg body weight/day for males, 3362 mg/kg body weight/day for females) for beta-carotene derived from B. trispora under the present experimental conditions.
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Taniike M, Nishino M, Egami Y, Kondo I, Shutta R, Tanaka K, Adachi T, Tanouchi J, Yamada Y, Kawano K. Acute myocardial infarction caused by a septic coronary embolism diagnosed and treated with a thrombectomy catheter. Heart 2005; 91:e34. [PMID: 15831619 PMCID: PMC1768872 DOI: 10.1136/hrt.2004.055046] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Acute myocardial infarctions are common in bacteraemia but are seldom diagnosed during life. A 64 year old man with severe chest pain who had fever for several days due to possible bacteraemia was shown by ECG and echocardiography to have possible lateral infarction. Immediate coronary angiography showed possible thrombus in the left circumflex artery, which was treated by thrombectomy catheter. Bacterial thrombus was removed and was verified by histological examination. A stent was implanted without complications. Acute myocardial infarction caused by septic embolism is usually fatal; however, thrombectomy may be useful in these cases.
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Tsuboi Y, Nishino M, Sasaki T, Kitamura N. Poly(N-Isopropylacrylamide) Microparticles Produced by Radiation Pressure of a Focused Laser Beam: A Structural Analysis by Confocal Raman Microspectroscopy Combined with a Laser-Trapping Technique. J Phys Chem B 2005; 109:7033-9. [PMID: 16851799 DOI: 10.1021/jp044894b] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We developed a confocal Raman microspectroscopy system combined with a laser trapping technique and applied it to aqueous solutions (H(2)O and D(2)O) of poly(N-isopropylacrylamide) (PNIPA), which is well-known as a representative thermo-responsive polymer, i.e., phase transition/separation between coiled and globular states. By introducing a near-infrared (1064 nm) laser beam into a microscope, PNIPA microparticles were produced at the focused spot of the laser beam, both in H(2)O and D(2)O. By using the present system, we succeeded in obtaining the Raman spectra of PNIPA in the coiled and globular states over a wide wavenumber region (800-3500 cm(-1)) for the first time. For the D(2)O solutions (in which the photothermal effect is negligible and hence the microparticles should be produced purely by the effect of radiation pressure), some significant differences were observed in the Raman spectra for the coiled state, in the globular state, and for laser induced microparticles. By analyzing these spectra in detail, we revealed that the structure of the laser-induced microparticles was analogous to that in the globular state. We also discuss the fundamental mechanism underlying the transformation of the higher order structure of a polymer by radiation pressure.
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Nihashi T, Shiraishi S, Kato K, Ito S, Abe S, Nishino M, Ishigaki T, Ikeda M, Kimura T, Tadokoro M, Kobayashi H, Kato T, Ito K. The response of brain with chronic pain during spinal cord stimulation, using FDG-PET. ACTA ACUST UNITED AC 2004. [DOI: 10.1016/j.ics.2004.05.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Akashi A, Ohashi S, Oriyama T, Kanno H, Sasaoka H, Nishino M, Sakamaki Y, Son G, Haque M. Thoracoscopic parasternal lymph node dissection for the staging of breast cancer. Surg Technol Int 2003; 7:330-2. [PMID: 12721999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Abstract
With the advent of advanced thoracoscopic techniques, new applications have been expanding their
roles in thoracic surgery. The aim of this paper is to introduce our new thoracoscopic approach in
performing parasternal lymph node dissection of advanced breast cancer for its staging. This technique
does not need the removal of any costal cartilage which is usually done in the conventional classical
technique after radical mastectomy. Thoracoscopic procedure, in which wide and complete parasternal
lymph node dissection is done, is minimally invasive and easy to perform. Therefore, the thoracoscopic technique
may be a suitable alternative to the conventional approach in the future.
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Horii T, Matsumoto T, Nishino M, Tomita K. Effects of steroids on femoral diaphyseal intramedullary circulation in rabbits. Arch Orthop Trauma Surg 2002; 122:506-9. [PMID: 12483330 DOI: 10.1007/s00402-002-0437-0] [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] [Received: 09/19/2001] [Indexed: 11/29/2022]
Abstract
We examined the effect of steroid treatment on the intraosseous femoral vasculature in rabbits, with particular emphasis on the morphologic changes in bone marrow sinusoids and central veins. Adult rabbits were divided into three treatment groups: group A, untreated control; group B, animals were treated with intramuscular injections of methylprednisolone acetate (4 mg/kg/week) for 4 weeks; and group C, rabbits which received injections for 8 weeks. Examination of the intraosseous femoral vasculature was performed using microangiography, scanning electron micrography using a corrosion cast method, and retrograde venography. Bone marrow sinusoids of group C were dilated and the network of anastomosed vessels was irregular compared with those of group A. Changes in group B were intermediate between the control rabbits and group C. Retrograde venography of the central vein showed an irregular course and frequent narrowing of the signal. There were no arterial changes in the steroid-treated groups. These findings indicate that steroid therapy does not induce arterial ischemia but rather intraosseous venous stasis extending from bone marrow sinusoids to the central veins. These changes are attributable to bulging or dilatation of sinusoids, a rise in intraosseous pressure, and reduced blood flow.
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Ito T, Hoshida S, Nishino M, Aoi T, Egami Y, Takeda T, Kawabata M, Tanouchi J, Yamada Y, Kamada T. Relationship between evaluation by quantitative fatty acid myocardial scintigraphy and response to beta-blockade therapy in patients with dilated cardiomyopathy. EUROPEAN JOURNAL OF NUCLEAR MEDICINE 2001; 28:1811-6. [PMID: 11734920 DOI: 10.1007/s00259-001-0668-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Predicting the effect of beta-blockade therapy on the clinical outcome of patients with dilated cardiomyopathy (DCM) is difficult prior to the initiation of therapy. Myocardial fatty acid metabolism has been shown to be impaired in patients with DCM. We examined whether the extent of myocardial injury, as assessed by iodine-123 15-( p-iodophenyl)-3- R, S-methylpentadecanoic acid (BMIPP) myocardial scintigraphy, is related to the response of patients with DCM to beta-blockade therapy. Thirty-seven patients with DCM were examined using BMIPP myocardial scintigraphy before and after 6 months of treatment with metoprolol. Myocardial BMIPP uptake (%BM uptake) was estimated quantitatively as a percentage of the total injected count ratio. The left ventricular end-diastolic and end-systolic dimensions (LVDd, LVDs) and ejection fraction (LVEF) were also evaluated. The patients were divided into two groups according to their functional improvement (>10% elevation of LVEF) after 6 months of metoprolol therapy. Twenty-eight patients responded to the therapy, while nine did not. Prior to the therapy, no significant differences in LVDd, LVDs or LVEF were observed between the responders and non-responders. However, the %BM uptake was significantly lower in the non-responders than in the responders (1.0%+/-0.2% vs 2.1%+/-0.5%, P<0.001). The %BM uptake could be used to distinguish the responders from the non-responders with a sensitivity of 0.93 and a specificity of 1.00 at a threshold value of 1.4. After the metoprolol therapy, the %BM uptake improved significantly in the responders (2.5%+/-0.5%, P<0.01) but did not change in the non-responders. These results indicate that myocardial BMIPP uptake could predict the response of DCM patients to beta-blockade therapy.
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Tanaka H, Nishino M, Nakamori Y, Ogura H, Ishikawa K, Shimazu T, Sugimoto H. Granulocyte colony-stimulating factor (G-CSF) stiffens leukocytes but attenuates inflammatory response without lung injury in septic patients. THE JOURNAL OF TRAUMA 2001; 51:1110-6. [PMID: 11740262 DOI: 10.1097/00005373-200112000-00016] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVE To determine whether granulocyte colony-stimulating factor (G-CSF) administration changes leukocyte deformability resulting in lung injury in patients with sepsis. METHODS Twenty-five consecutive septic patients were divided randomly into two groups. Twelve patients were given recombinant human G-CSF subcutaneously at 2 microg/kg once a day for 5 days (group G). The remaining 13 patients were given sterilized saline as placebo (group N). Leukocyte count; concentrations of C-reactive protein (CRP) and thrombomodulin (TM); respiratory index (RI) and lung injury score (LIS); and APACHE II score and Goris MOF index were determined before and after G-CSF or placebo administration. Leukocyte deformability was observed in a microchannel array etched on a single-crystal silicon tip, which simulates the microvasculature. The number of microchannels obstructed (NOM) by stiffened leukocytes was counted. Transit time (TT), that is, the time taken for 100 microL of whole blood to pass through the microchannel, was determined. RESULTS G-CSF administration significantly increased leukocyte count and decreased CRP concentration. In group G, both NOM and TT increased significantly 5 days after G-CSF administration; they did not change in group N. However, RI, LIS, and TM did not change, suggesting that no patient developed lung injury. CONCLUSION G-CSF causes leukocyte stiffness but attenuates inflammatory response without inducing lung injury in septic patients.
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Hashiguchi N, Ogura H, Tanaka H, Koh T, Nakamori Y, Noborio M, Shiozaki T, Nishino M, Kuwagata Y, Shimazu T, Sugimoto H. Enhanced expression of heat shock proteins in activated polymorphonuclear leukocytes in patients with sepsis. THE JOURNAL OF TRAUMA 2001; 51:1104-9. [PMID: 11740261 DOI: 10.1097/00005373-200112000-00015] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
BACKGROUND Heat shock proteins (HSPs) in cells, as molecular chaperons, have been reported to regulate cell functions. The objective of this study was to investigate the HSP expression in polymorphonuclear leukocytes (PMNLs) from severe septic patients and the relation between the expression of HSPs and PMNL function. METHODS In blood samples from 21 patients with sepsis and serum C-reactive protein levels more than 10 mg/dL, we used flow cytometry to measure expressions of HSP27, HSP60, HSP70, and HSP90; oxidative activity; and levels of apoptosis in PMNLs during sepsis. In in vitro studies, we used cells from 14 healthy volunteers to examine the relation between the expression of HSP70 and PMNL function. Quercetin (30 microM), a suppressor of HSP, and sodium arsenite (100 microM), an inducer of HSP, were used to regulate the expression of HSP70 in PMNLs, and oxidative activity and apoptosis in these cells were measured. RESULTS In patients with sepsis, the expressions of HSP27, HSP60, HSP70, and HSP90 and oxidative activity in PMNLs were significantly increased. Apoptosis of these PMNLs was markedly inhibited. In the in vitro studies, administration of sodium arsenite enhanced the expression of HSP70, significantly increased oxidative activity, and inhibited apoptosis. Administration of quercetin before sodium arsenite prevented the expression of HSP70, the increase in oxidative activity, and the inhibition of apoptosis. CONCLUSION Sepsis causes the enhanced expression of HSPs in activated PMNLs. In PMNLs with enhanced expression of HSP70, oxidative activity is increased and apoptosis is inhibited. The enhanced expression of HSPs may play a role in regulating PMNL function in patients with sepsis.
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Nagano-Saito A, Kato T, Wakabayashi T, Nishino M, Ohshima M, Ito K, Ishiguchi T, Tadokoro M, Ishigaki T, Abe Y, Bundo M. High- and moderately high-methionine uptake demonstrated by PET in a patient with a subacute cerebral infarction. Ann Nucl Med 2001; 15:387-91. [PMID: 11577767 DOI: 10.1007/bf02988250] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
In patients with cerebral tumors, high accumulations of L-methyl-11C-methionine (11C-Met) have been reported in some cases of cerebral ischemic disease, but no high accumulations of 11C-Met in areas where only transient arterial occlusions are most likely to occur have been reported. Herein we present a case of a high accumulation of 11C-Met in an area of frontal interhemispheric cerebral infarction and a moderately high accumulation with an unclear margin in a distant frontal convexity area. A craniotomy revealed a subacute stage of cerebral infarction in the interhemispheric lesion, and an ischemic change in the distant convexity area. Sixteen months after onset, CT scans demonstrated an infarction area in the interhemispheric lesion only, and no atrophic changes were observed in the distant convexity area indicating that no serious tissue damage had occurred.
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Babaya N, Ikegami H, Fujisawa T, Hotta M, Ueda H, Shintani M, Nojima K, Kawabata Y, Ono M, Nishino M, Itoi-Babaya M, Taniguchi H, Noso S, Horiki M, Yamada K, Kawaguchi Y, Fukuda M, Ogihara T. Lack of association between hepatocyte nuclear factor-1beta gene and common forms of type 2 diabetes in the Japanese population. DIABETES, NUTRITION & METABOLISM 2001; 14:220-4. [PMID: 11716293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
Mutations in the hepatocyte nuclear factor-1beta (HNF-1beta) gene have been shown to be a cause of maturity-onset diabetes of the young (MODY). We studied the contribution of the HNF-1beta gene to susceptibility to common forms of Type 2 diabetes in the genetically homogeneous Japanese population, by investigating the allelic association of Type 2 diabetes with two markers in the HNF-1beta region. The frequency of a nonsense mutation, R177X, which was previously reported in a Japanese family, was also studied by the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method using a mismatch primer. A total of 200 subjects were studied. There was no significant difference in allele frequencies of either of the two polymorphisms studied between patients with Type 2 diabetes and control subjects, or between subgroups of patients subdivided by the presence of mild or severe diabetic nephropathy. None of the subjects studied had R177X mutation, giving a frequency of less than 1.1% in common forms of Type 2 diabetes in Japan. These results suggest that mutations in the HNF-1beta gene derived from a limited number of founders are not a major cause of common forms of Type 2 diabetes, even in the genetically homogeneous Japanese population.
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Nishino M, Ikegami H, Kawaguchi Y, Fujisawa T, Kawabata Y, Shintani M, Ono M, Horiki M, Kawasaki E, Ogihara T. Polymorphism in gene for islet autoantigen, IA-2, and type 1 diabetes in Japanese subjects. Hum Immunol 2001; 62:518-22. [PMID: 11334676 DOI: 10.1016/s0198-8859(01)00234-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Autoantibodies against IA-2 have been detected in up to 86% of newly diagnosed patients with type 1 diabetes and appear to identify a subgroup of prediabetic subjects who rapidly progress to type 1 diabetes. We examined the association of IA-2 gene polymorphism with type 1 diabetes in Japanese subjects. A total of 276 Japanese subjects were studied for disease association and, in addition, another 53 patients were studied for association with the autoantibody status to IA-2. A microsatellite marker D2S1753E, located in the intron of the IA-2 gene, was used as a genetic marker in this study. In Japanese, two alleles (161mu and 165mu) were more frequent, and the 163mu allele was less frequent than in Caucasians (p = 0.0001). There was no significant difference in frequencies of alleles between diabetic patients and control subjects. The frequency of IA-2 gene polymorphism was not significantly different between patients stratified by age-at-onset, or between patients with and without susceptible HLA, DRB1*0405, DRB1*0802 and DRB1*0901. There was no significant difference in allele frequency of the IA-2 gene polymorphism between patients with and without autoantibody to IA-2. In conclusion, IA-2 gene polymorphism is not associated with either susceptibility to, or heterogeneity in type 1 diabetes in Japanese subjects.
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94
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Nishino M, Yabe S, Murakami M, Kanda T, Kobayashi I. Detection of antipituitary antibodies in patients with autoimmune thyroid disease. Endocr J 2001; 48:185-91. [PMID: 11456266 DOI: 10.1507/endocrj.48.185] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The aim of the present study was to investigate the prevalence of antipituitary antibodies (APA) in patients with autoimmune thyroid disease as determined by Western blot analysis and enzyme-linked immunosorbent assay (ELISA). Results by Western blot analysis showed positivity for APA in serum of 22.4% of patients with Graves' disease (n=143, p<0.05) and 18.5% of patients with Hashimoto's thyroiditis (n=54, p<0.05), which were significantly higher than 6.2% in healthy controls (n=97). Similar results were obtained with ELISA. The titers of APA measured by ELISA (APA/ELISA) remained unchanged before and after therapy with antithyroid drug for Graves' disease, while thyrotropin-binding inhibitor immunoglobulins (TBII) decreased significantly. Similarly, no changes in APA by Western blot analysis were observed after therapy. In patients with Graves' disease, APA were not associated with thyroid status. There was no difference in APA between patients with positive and negative thyroid autoantibodies. A significant but weak positive correlation between APA/ELISA and anti-human GH measured by ELISA (anti-hGH/ELISA) was observed in patients with Graves' disease (r=0.601 p<0.001) and Hashimoto's thyroiditis (r=0.428 p<0.005). These findings have demonstrated the existence of APA detected by Western blot analysis and ELISA in some cases of autoimmune thyroid disease. The present results suggest that hGH and other antigens may be involved in APA in patients with Graves' disease and Hashimoto's thyroiditis.
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95
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Yamada K, Ikegami H, Kawaguchi Y, Fujisawa T, Hotta M, Ueda H, Shintani M, Nojima K, Kawabata Y, Ono M, Nishino M, Itoi M, Babaya N, Shibata M, Makino S, Ogihara T. Sequence analysis of candidate genes for common susceptibility to type 1 and type 2 diabetes in mice. Endocr J 2001; 48:241-7. [PMID: 11456274 DOI: 10.1507/endocrj.48.241] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Although type 1 and type 2 diabetes are regarded as clinically distinct diseases, several lines of evidence have suggested common genetic factors between the two types of diabetes. The non-obese diabetic (NOD) mouse, an animal model of type 1 diabetes, and the Nagoya-Shibata-Yasuda (NSY) mouse, a model of type 2 diabetes, are derived from the same outbred colony, Jcl:HCR, suggesting a shared susceptibility between the two types of diabetes in mice. Genetic as well as functional studies have supported the possibility that Tcf2, which encodes the transcription factor, hepatocyte nuclear factor 1beta (HNF-1beta), is a candidate gene for the common susceptibility between NSY and NOD mice. Txn, encoding thioredoxin which is a redox (reduction/oxidation)-active protein, is also a positional and functional candidate for a common susceptibility gene. To investigate whether either of these two genes is a common susceptibility gene, the coding nucleotide sequences of these two genes were compared among the NSY, NOD and control C3H strains. The coding sequence of Tcf2 of the NOD mouse was identical to that of the C3H mouse, but was different from that of the NSY mouse. The coding sequence of Txn was identical in the three strains. These data suggest that neither of the two genes is a common susceptiblity gene between type 1 and type 2 diabetes in mice.
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96
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He L, Nishino M, Zhang B, Liu R, Liu Y, Liu S, Hu H, Sato N, Yamagishi H. Absorption events associated with solar flares. CHINESE SCIENCE BULLETIN-CHINESE 2001. [DOI: 10.1007/bf03183265] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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97
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Kaneuji A, Matsumoto T, Nishino M, Miura T, Sugimori T, Tomita K. Three-dimensional morphological analysis of the proximal femoral canal, using computer-aided design system, in Japanese patients with osteoarthrosis of the hip. J Orthop Sci 2001; 5:361-8. [PMID: 10982685 DOI: 10.1007/s007760070044] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
An accurate three-dimensional morphological analysis of the femur is required to produce well fitting uncemented femoral implants. A computer-aided design system made it possible to produce three-dimensional femoral models and to accurately measure certain parameters with planes standardized for all subjects. The study subjects were Japanese; there were 89 patients (113 hips) with osteoarthrosis (OA) and 18 volunteers (36 hips) free of hip joint complaints and with no abnormal radiological findings (normal; N). The femoral canal was classified into three types, A-I, A-II, and B-II, based on the shape in the frontal and sagittal planes. Either triangular (type T) or circular (type C) shapes were identified at the proximal cross section. Type A-II, which is considered the standard type, accounted for 89% of the N hips, and 42% of the OA hips. Type A-I, with a posterior canal plane strongly inclined toward the anterior, accounted for 26% of the OA hips and 6% of the N hips; 96% of type A-I hips were triangular. Type B-II, which had a steep medial canal plane, accounted for 29% of the OA hips and 6% of the N hips; 63% of type B-II hips were circular.
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98
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Hoshida S, Kato J, Nishino M, Egami Y, Takeda T, Kawabata M, Tanouchi J, Yamada Y, Kamada T. Increased angiotensin-converting enzyme activity in coronary artery specimens from patients with acute coronary syndrome. Circulation 2001; 103:630-3. [PMID: 11156871 DOI: 10.1161/01.cir.103.5.630] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Angiotensin-converting enzyme (ACE) inhibitors are effective in the secondary prevention of ischemic heart disease, but they do not reduce the rate of restenosis. Vascular ACE activity in the culprit coronary lesions of these patients, however, has never been quantified. METHODS AND RESULTS We measured the ACE activity of vascular tissue obtained by directional coronary atherectomy in patients with acute coronary syndrome (n=17) and in patients with stable ischemic heart disease (n=36), with and without restenosis. The ACE activity of the culprit coronary lesions was significantly increased in patients with acute coronary syndrome (0.87+/-0.12 nmol. min(-1). mg protein(-1); P:<0.01) but not in patients with ischemic heart disease with restenosis (n=11, 0.19+/-0.05 nmol. min(-1). mg protein(-1)) when compared with those patients with ischemic heart disease without restenosis (n=25, 0.20+/-0.05 nmol. min(-1). mg protein(-1)). There was no difference between the ACE activity of the coronary tissue of the in-stent (n=5) and stent-unrelated (n=6) restenosis patients (0.24+/-0.10 versus 0.15+/-0.04 nmol. min(-1). mg protein(-1)). Serum ACE activity did not differ significantly among the patients. CONCLUSIONS The present study demonstrates increased ACE activity in culprit lesions in acute coronary syndrome, indicating that enhanced ACE activity is related to the causative mechanism of active coronary lesions.
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Okada M, Nishino M, Saito M, Ikeda T, Uehara S, Okada H, Niiyama K, Ohtake N, Hayama T, Nishikibe M. Marked reduction of mortality in salt-loaded Dahl salt-sensitive rats by the new, selective endothelin ETA receptor antagonist, J-105859. J Hypertens 2000; 18:1815-23. [PMID: 11132606 DOI: 10.1097/00004872-200018120-00016] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To examine the chronic effects of a newly synthesized, potent and selective endothelin (ET) ETA receptor antagonist, J-1 05859, on mortality in salt-loaded Dahl salt-sensitive (DS) rats and to confirm the potential of this compound as an ETA antagonist METHODS Vehicle and J-105859 were administered to salt-loaded DS rats for 12 weeks. Throughout the experimental period, blood pressure was measured continuously using a telemetry system and the survival rate was determined. The surviving animals were subsequently sacrificed and autopsy was performed. Binding and functional assays were also carried out to characterize J-1 05859. RESULTS The Ki values of J-1 05859 for cloned human ETA and ETB were 0.025 and 48 nmol/l, respectively. J-105859 inhibited ET-1-induced contractions in rabbit iliac artery (pA2 = 10.08) and BQ-3020 (ETB agonist)-induced contractions in pulmonary artery (pA2 = 7.63). The pressor response to intravenous (i.v.) ET-1 (0.5 nmol/kg) was significantly inhibited by J-1 05859 at a dose of 0.03 mg/kg i.v. Chronic treatment with J-1 05859 [0.1 and 1 mg/kg per day orally (p.o.)] from the prehypertensive stage decreased the mortality of salt-loaded DS rats and markedly inhibited the development of brain lesions. The survival rates in the control and J-1 05859 (0.1 and 1 mg/kg per day) groups were 34, 80 and 100%, respectively. Development of hypertension was markedly inhibited at a dose of 1 mg/kg per day. CONCLUSION J-105859 is a selective, potent, orally active ETA-selective antagonist ETA antagonists may reduce morbidity as well as mortality in salt-sensitive hypertension.
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Nishino M, Tagaya N, Lynch SV, Steadman C, Balderson GA, Strong RW. Liver transplantation for familial amyloidotic polyneuropathy in Australia. JOURNAL OF HEPATO-BILIARY-PANCREATIC SURGERY 2000; 7:312-5. [PMID: 10982632 DOI: 10.1007/s005340070054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Familial amyloidotic polyneuropathy type 1 (FAP-1) is a type of systemic amyloidosis caused by mutant transthyretin (mTTR) that is mainly produced in the liver. Most patients have progressive peripheral and autonomic neuropathy. Ten patients with FAP underwent orthotopic liver transplantation (OLT) at the Queensland Liver Transplant Service (Princess Alexandra Hospital, Brisbane, Australia). Nine patients are still alive, and one patient died of cardiac failure 10 days after OLT. Some symptoms of FAP were alleviated in some of the patients. OLT seems to be a worthwhile treatment for FAP, because it halts the progression of symptoms and achieves improvement in some patients.
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