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Hayashi M, Yamamoto M, Nishimura C, Satoh H. Do Recent Advances in MR Technologies Contribute to Better Gamma Knife Radiosurgery Treatment Results for Brain Metastases? Neuroradiol J 2016; 20:481-90. [DOI: 10.1177/197140090702000501] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2007] [Accepted: 06/29/2007] [Indexed: 11/15/2022] Open
Abstract
The detection of intracerebral lesions has improved greatly with advancements in MR imaging, especially the greater sensitivity of the 1.5 Tesla unit versus the older 1.0 Tesla unit. We aimed to determine whether improvements in MR imaging have actually improved diagnostic capabilities and treatment outcomes in gamma knife radiosurgery (GKRS) for brain metastases (METs). Ours was a retrospective study of a consecutive series of 1179 patients (441 females, 738 males, mean age: 63 years, range: 19–92 years) with brain METs who underwent GKRS from 1998 to 2004. Our treatment policy was to irradiate all lesions visible on MR images during a single GKRS session. Mean and median tumor numbers were seven and three (range; 1–74). The 1179 patients were divided into two groups: a 1.0 T-group of 660 patients examined using a 1.0 Tesla MR unit before August, 2002, and a 1.5 T-group of 519 examined using a 1.5 Tesla MR unit after September 2002. In the 1.5 T-group, lesion volumes as small as 0.004 cc were detected with a 5 mm slice thickness. The corresponding lesion size was 0.013 cc in the 1.0 T-group. One or more lesions invisible on a 5 mm slice study were additionally detected on a 2 mm slice study in 47.8% of patients in the 1.0 T-group and 25.2% in the 1.5 T-group (p<.0001). The median survival time (MST) in the 1.5 T-group was significantly longer than that in the 1.0 T-group (8.4 vs. 6.3 months, p=.0004). Due to biases in patient numbers between the two groups, we analyzed subgroups with KPS of 80% or better, no neurological deficits, stable primary tumors, lung cancer, tumor numbers of four or less and tumor volumes of 10.0 cc or smaller. In every subgroup analysis, the MSTs of the 1.5-Tesla group were significantly longer than those of the 1.0-Tesla group. The prognosis of a cancer patient is undoubtedly influenced by multiple factors. Nevertheless, we conclude that application of the 1.5 Tesla MR unit has had a favorable impact on diagnosis and GKRS treatment results in patients with brain METs.
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Kojima T, Asai S, Takahashi N, Yabe Y, Hirano Y, Kanayama Y, Kaneko A, Takemoto T, Asai N, Watanabe T, Funahashi K, Hayashi M, Ishiguro N. AB0377 Differences in Baseline Predictive Factors for Remission at 52 Weeks by Concomitant MTX Use during Tocilizumab Treatment Using Propensity Score Matched Groups. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.2514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Hayashi M, Kanamono T, Matsubara H, Kishimoto K, Takahashi N, Kojima T, Ishiguro N. THU0147 Drug Survival of Golimumab in Japanese Patients with Rheumatoid Arthritis Is Independent of Methotrexate and Prednisolone Concomitance: Results from The Multicenter Biologics Registry: Table 1. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.3463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Nagata C, Konish K, Tamura T, Wada K, Hayashi M, Takeda N, Yasuda K. Skin pigmentation is inversely associated with insulin resistance in healthy Japanese women. DIABETES & METABOLISM 2016; 42:368-371. [PMID: 27161346 DOI: 10.1016/j.diabet.2016.04.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Revised: 03/30/2016] [Accepted: 04/01/2016] [Indexed: 10/21/2022]
Abstract
AIM As a low-pigment skin type is prevalent in men and women with type 1 diabetes, it is possible that skin pigmentation may be associated with insulin resistance. This study aimed to cross-sectionally examine this association in healthy women. METHODS Study participants were 792 Japanese women who attended a health examination and were not taking any medication for diabetes. Skin pigmentation on the inner upper and lower arms and forehead was measured using a Mexameter® skin colorimeter, a narrow-band reflective spectrophotometer. Data are expressed as a melanin index, which quantifies melanin content. Fasting blood glucose and insulin levels were also measured, and homoeostasis model assessment for insulin resistance (HOMA-IR) scores were calculated. Information on medical history and lifestyle factors were obtained by a self-administered questionnaire, while data on sun exposure were collected through interviews. Plasma 25-hydroxyvitamin D levels were measured in a subsample of women (n=464). RESULTS Melanin indices at the inner upper and lower arms were significantly and inversely associated with fasting insulin levels and HOMA-IR after controlling for age, body mass index, smoking status, indicators for rater effects, cumulative sun exposure and season at the time of measurement. Additional adjustment for plasma 25-hydroxyvitamin D levels did not alter the results. CONCLUSION These data suggest that skin pigmentation is associated with insulin resistance, and encourage future studies into the potential role of melanin and related factors in glucose homoeostasis.
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Yamamoto Y, Otsuka A, Nakashima C, Amano W, Tanimoto A, Hayashi M, Kabashima K. 518 The effect of janus kinase inhibitor on pruritus in an atopic dermatitis murine model. J Invest Dermatol 2016. [DOI: 10.1016/j.jid.2016.02.556] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Hamuro A, Tachibana D, Wang H, Hayashi M, Yanai S, Kurihara Y, Misugi T, Katayama H, Nakano A, Koyama M. Combined reconstructive surgery involving uterosacral colpopexy and anterior vaginal mesh implantation for pelvic organ prolapse. J Obstet Gynaecol Res 2016; 42:707-15. [DOI: 10.1111/jog.12952] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 11/14/2015] [Accepted: 12/22/2015] [Indexed: 12/21/2022]
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Kaise H, Ishikawa T, Miura D, Hasegawa Y, Horiguchi J, Hayashi M, Takao S, Kim SJ, Tanino H, Miyashita M, Konishi M, Shigeoka Y, Yamagami K, Suzuki M, Taguchi T, Akazawa K, Kohno N. Abstract P3-07-50: Early and accurate prediction of pathological response by magnetic resonance imaging and ultrasonography in patients undergoing neoadjuvant chemotherapy for operable breast cancer. Cancer Res 2016. [DOI: 10.1158/1538-7445.sabcs15-p3-07-50] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: Neoadjuvant chemotherapy (NAC) reduces tumor size, and increases the frequency of breast-conserving surgery in operable breast cancers. Response predictions to NAC are made based on diagnostic imaging.
Although various studies have reported the optimal timing for diagnostic imaging, this still remains unclear.
Purpose: To identify the optimal timing of diagnostic imaging for the response prediction to NAC, and to evaluate the accuracy of response prediction.
Methods: We evaluated 146 cases enrolled in the JONIE-1 study (a randomized controlled trial comparing zoledronic acid plus chemotherapy with chemotherapy alone as a NAC in patients with HER2-negative primary breast cancer). The chemotherapy regimen was FEC100×4 courses followed by weekly paclitaxel 80×12 courses (± zoledronic acid). Statistical analysis of the association between the tumor reduction ratio and the histopathological response and the prediction of pathological complete response (pCR) was performed using JMP software. The maximum tumor diameter was evaluated using magnetic resonance imaging and ultrasound on each patient 3 times (before NAC, after FEC treatment, after NAC) and tumor reduction ratios were calculated.
Results: The average age of the patients was 49.8 years old. The menopause status was pre-menopause in 84 patients, and post-menopause in 58 patients. Regarding the subtype classification, 116 patients were of the luminal type (Lum) and 26 patients were triple negative (TN), and the Ki-67 labeling index had a median of 25% (1%-93%).
Pathological examination demonstrated that 16 patients had pCR(11.3%, Lum, 9;TN: 7), and 126 patients had non-pCR (88.7%, Lum:107; TN:19). Seven patients had clinical-CR (4.8%, Lum: 4; TN: 3) at post-FEC, and 26 patients (17.8%, Lum: 20; TN: 6) at post-NAC. The prediction of pCR at post-FEC and post-NAC was evaluated by single variable analysis, resulting in an AUC (0.75645) p=0.0017 at post-FEC, and AUC (0.76563) p=0.0001 at post-NAC. The sensitivity / specificity / positive predictive value / negative predictive value were 0.625 / 0.873 / 0.385 / 0.948 at post-FEC, 0.250 / 0.976 / 0.571 / 0.911 at post-NAC, respectively. In TN cases, the values were 0.714 / 0.947 / 0.833 / 0.900 in post-FEC, and 0.429 / 1.000 / 1.000 / 0.826 in post-NAC.
Conclusions: Diagnostic imaging evaluation performed after FEC treatment was useful for the prediction of pCR. Furthermore, the reliability was high in Triple Negative Sub type, but is affected by the existence of residual tumors in Luminal type.
Citation Format: Kaise H, Ishikawa T, Miura D, Hasegawa Y, Horiguchi J, Hayashi M, Takao S, Kim SJ, Tanino H, Miyashita M, Konishi M, Shigeoka Y, Yamagami K, Suzuki M, Taguchi T, Akazawa K, Kohno N. Early and accurate prediction of pathological response by magnetic resonance imaging and ultrasonography in patients undergoing neoadjuvant chemotherapy for operable breast cancer. [abstract]. In: Proceedings of the Thirty-Eighth Annual CTRC-AACR San Antonio Breast Cancer Symposium: 2015 Dec 8-12; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2016;76(4 Suppl):Abstract nr P3-07-50.
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Hirohata A, Yamaoka T, Hayashi M, Murota H, Tani M, Katayama I. Unique case of postural cholinergic urticaria induced by a standing position. Clin Exp Dermatol 2016; 41:439-40. [PMID: 26801200 DOI: 10.1111/ced.12796] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/09/2015] [Indexed: 11/26/2022]
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Noda S, Goto Y, Hayashi M, Aikawa H, Itahashi K, Kanda S, Horinouchi H, Fujiwara Y, Nokihara H, Yamamoto N, Hamada A, Ohe Y. 449P Distribution of erlotinib to brain, tumor lesion and normal tissue analyzed by matrix assisted laser desorption/ionization mass spectrometry imaging and liquid chromatography-tandem mass spectrometry. Ann Oncol 2015. [DOI: 10.1093/annonc/mdv532.33] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Diamantopoulos NP, Hayashi M, Yoshida Y, Maruta A, Maruyama R, Kuwaki N, Takenaga K, Uemura H, Matsuo S, Kitayama K. Mode-selective optical packet switching in mode-division multiplexing networks. OPTICS EXPRESS 2015; 23:23660-23666. [PMID: 26368463 DOI: 10.1364/oe.23.023660] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A novel mode-selective optical packet switching, based on mode-multiplexers/demultiplexers and multi-port optical micro-electro-mechanical systems (MEMS) switches, has been proposed and experimentally demonstrated. The experimental demonstration was performed using the LP(01), LP(11a) and LP(11b) modes of a 30-km long mode-division multiplexed few-mode fiber link, utilizing 40 Gb/s, 16-QAM signals.
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Makino T, Mizawa M, Seki Y, Hayashi M, Shimizu T. Decreased filaggrin-2 expression in the epidermis in a case of pityriasis rotunda. Clin Exp Dermatol 2015; 41:215-7. [DOI: 10.1111/ced.12716] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/12/2015] [Indexed: 11/29/2022]
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Takahashi A, Abe K, Usami K, Imaizumi H, Hayashi M, Okai K, Kanno Y, Tanji N, Watanabe H, Ohira H. Simple Resistance Exercise helps Patients with Non-alcoholic Fatty Liver Disease. Int J Sports Med 2015; 36:848-52. [PMID: 26090879 DOI: 10.1055/s-0035-1549853] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
To date, only limited evidence has supported the notion that resistance exercise positively impacts non-alcoholic fatty liver disease. We evaluated the effects of resistance exercise on the metabolic parameters of non-alcoholic fatty liver disease (NAFLD) in 53 patients who were assigned to either a group that performed push-ups and squats 3 times weekly for 12 weeks (exercise group; n=31) or a group that did not (control; n=22). Patients in the control group proceeded with regular physical activities under a restricted diet throughout the study. The effects of the exercise were compared between the 2 groups after 12 weeks. Fat-free mass and muscle mass significantly increased, whereas hepatic steatosis grade, mean insulin and ferritin levels, and the homeostasis model assessment-estimated insulin resistance index were significantly decreased in the exercise group. Compliance with the resistance exercise program did not significantly correlate with patient background characteristics such as age, sex, BMI and metabolic complications. These findings show that resistance exercise comprising squats and push-ups helps to improve the characteristics of metabolic syndrome in patients with non-alcoholic fatty liver disease.
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Hirano Y, Hayashi M, Hirabara S, Takahashi N, Kanayama Y, Kaneko A, Kojima T, Ishiguro N. SAT0178 Predictors of Effectiveness in Golimumab Treatment and Efficacy of Dose-Escalation of Golimumab in Patients with Rheumatoid Arthritis – A Multicenter Registry Study TBCR. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.1247] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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114
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Kojima T, Takahashi N, Kaneko A, Kida D, Hirano Y, Fujibayashi T, Yabe Y, Takagi H, Oguchi T, Miyake H, Kato T, Watanabe T, Hayashi M, Shioura T, Kanayama Y, Funahashi K, Asai S, Yoshioka Y, Terabe K, Takemoto T, Asai N, Ishiguro N. THU0115 Importance of Both Disease Activity at 12 Weeks and Clinical Response up to 12 Weeks to Predict Achievement of Low Disease Activity at 52 Weeks During Abatacept Treatment in Biologics-Switching Patients with Rheumatoid Arthritis: A Multicenter Observational Cohort Study in Japan. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.1318] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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115
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Kojima T, Takahashi N, Kaneko A, Kida D, Hirano Y, Fujibayashi T, Yabe Y, Takagi H, Oguchi T, Miyake H, Kato T, Watanabe T, Hayashi M, Shioura T, Kanayama Y, Funahashi K, Asai S, Yoshioka Y, Terabe K, Takemoto T, Asai N, Ishiguro N. AB0485 Predictive Factors for Achievement of Low Disease Activity or Remission at 52 Weeks in Switching from TNF Inhibitors to Abatacept with Background of low Dose or no Methotrexate: A Multicenter Observational Cohort Study in Japan. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.1319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Osonoi S, Abe D, Baba M, Misaki M, Takeyasu N, Hayashi M. Various impairments of lower-limb in survival patients with percutaneous veno-arterial extracorporeal membrane oxygenation. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.2071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Katz AI, Berg JA, Hayashi M, Fujii Y. Localization of atrial natriuretic peptide degrading activity in the rat kidney. CONTRIBUTIONS TO NEPHROLOGY 2015; 68:66-71. [PMID: 2976657 DOI: 10.1159/000416494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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118
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Iwata T, Hayashi M, Ikeda H, Tadokoro Y, Kuwazawa J, Matsumoto K, Sato K. Unsuccessful Decompression of Optic Nerve in Craniometaphyseal Dysplasia: A Case Report. Skull Base Surg 2015. [DOI: 10.1159/000429740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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119
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Iwabuchi S, Hayashi M, Yokouchi T, Sato K, Nakayama H, Harashina J, Iwama J, Ishii M, Hiramoto Y, Hirai N, Hirata Y, Saito N, Ito K, Kimura H, Aoki K. Prophylactic intra-arterial administration of fasudil hydrochloride for vasospasm following subarachnoid haemorrhage. ACTA NEUROCHIRURGICA. SUPPLEMENT 2015; 120:167-9. [PMID: 25366618 DOI: 10.1007/978-3-319-04981-6_28] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
PURPOSE We evaluated patients treated with prophylactic intra-arterial administration of fasudil hydrochloride (IAF) after subarachnoid haemorrhage (SAH). MATERIALS AND METHODS Between August 1998 and December 2012, 92 patients with aneurysmal SAH were treated with IAF for angiographic vasospasm without ischemic symptoms after their follow-up angiography. Patients comprised 50 women and 42 men, aged 24-83 (mean 56.6) years. IAF consisted of 15 mg of fasudil hydrochloride dissolved in 20 ml physiological saline and injected through a catheter during approximately 15 min, after diagnostic angiography. The clinical outcome was evaluated using the Glasgow Outcome Scale (GOS) at discharge and ischemic lesions resulting from vasospasm were assessed on computed tomography (CT) scan at discharge. RESULTS Forty-eight patients underwent surgical clipping and 44 patients underwent endovascular coiling. Angiographic improvement was observed in all patients (100 %). At discharge, 76 (83.0 %) of 92 patients showed good recovery on GOS. Nine patients developed progression of delayed ischemic neurological deficits (DIND) and three of these patients had ischemic lesions on CT scans. No patient had any significant changes in vital signs or any other adverse effects resulting from IAF. CONCLUSION IAF therapy was safe and effective for patients with vasospasm following SAH. Prophylactic IAF therapy may prevent symptomatic vasospasm.
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Kitagawa R, Kitagawa H, Hirose N, Yamaguchi S, Mehdawi I, Hayashi M, Imazato S. Antibacterial effects of self-adhesive resin cements containing chlorhexidine. Dent Mater 2015. [DOI: 10.1016/j.dental.2015.08.072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Yamana H, Tashiro-Yamaji J, Hayashi M, Maeda S, Shimizu T, Tanigawa N, Uchiyama K, Kubota T, Yoshida R. Down-regulated expression of monocyte/macrophage major histocompatibility complex receptors in human and mouse monocytes by expression of their ligands. Clin Exp Immunol 2014; 178:118-28. [PMID: 24842626 DOI: 10.1111/cei.12383] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/12/2014] [Indexed: 11/27/2022] Open
Abstract
Mouse monocyte/macrophage major histocompatibility complex (MHC) receptor 1 (MMR1; or MMR2) specific for H-2D(d) (or H-2K(d) ) molecules is expressed on monocytes from non-H-2D(d) (or non-H-2K(d) ), but not those from H-2D(d) (or H-2K(d) ), inbred mice. The MMR1 and/or MMR2 is essential for the rejection of H-2D(d) - and/or H-2K(d) -transgenic mouse skin onto C57BL/6 (H-2D(b) K(b) ) mice. Recently, we found that human leucocyte antigen (HLA)-B44 was the sole ligand of human MMR1 using microbeads that had been conjugated with 80 types of HLA class I molecules covering 94·2% (or 99·4%) and 92·4% (or 96·2%) of HLA-A and B molecules of Native Americans (or Japanese), respectively. In the present study, we also explored the ligand specificity of human MMR2 using microbeads. Microbeads coated with HLA-A32, HLA-B13 or HLA-B62 antigens bound specifically to human embryonic kidney (HEK)293T or EL-4 cells expressing human MMR2 and to the solubilized MMR2-green fluorescent protein (GFP) fusion protein; and MMR2(+) monocytes from a volunteer bound HLA-B62 molecules with a Kd of 8·7 × 10(-9) M, implying a three times down-regulation of MMR2 expression by the ligand expression. H-2K(d) (or H-2D(d) ) transgene into C57BL/6 mice down-regulated not only MMR2 (or MMR1) but also MMR1 (or MMR2) expression, leading to further down-regulation of MMR expression. In fact, monocytes from two (i.e. MMR1(+) /MMR2(+) and MMR1(-) /MMR2(-) ) volunteers bound seven to nine types of microbeads among 80, indicating ≤ 10 types of MMR expression on monocytes. The physiological role of constitutive MMRs on monocytes possibly towards allogeneic (e.g. fetal) cells in the blood appears to be distinct from that of inducible MMRs on macrophages toward allografts in tissue.
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Takahashi N, Kojima T, Kaneko A, Kida D, Hirano Y, Fujibayashi T, Yabe Y, Takagi H, Oguchi T, Miyake H, Kato T, Fukaya N, Hayashi M, Tsuboi S, Kanayama Y, Funahashi K, Hanabayashi M, Hirabara S, Asai S, Yoshioka Y, Ishiguro N. Use of a 12-week observational period for predicting low disease activity at 52 weeks in RA patients treated with abatacept: a retrospective observational study based on data from a Japanese multicentre registry study. Rheumatology (Oxford) 2014; 54:854-9. [DOI: 10.1093/rheumatology/keu418] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2014] [Indexed: 11/13/2022] Open
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Brandt TD, McElwain MW, Turner EL, Mede K, Spiegel DS, Kuzuhara M, Schlieder JE, Wisniewski JP, Abe L, Biller B, Brandner W, Carson J, Currie T, Egner S, Feldt M, Golota T, Goto M, Grady CA, Guyon O, Hashimoto J, Hayano Y, Hayashi M, Hayashi S, Henning T, Hodapp KW, Inutsuka S, Ishii M, Iye M, Janson M, Kandori R, Knapp GR, Kudo T, Kusakabe N, Kwon J, Matsuo T, Miyama S, Morino JI, Moro-Martín A, Nishimura T, Pyo TS, Serabyn E, Suto H, Suzuki R, Takami M, Takato N, Terada H, Thalmann C, Tomono D, Watanabe M, Yamada T, Takami H, Usuda T, Tamura M. A STATISTICAL ANALYSIS OF SEEDS AND OTHER HIGH-CONTRAST EXOPLANET SURVEYS: MASSIVE PLANETS OR LOW-MASS BROWN DWARFS? ACTA ACUST UNITED AC 2014. [DOI: 10.1088/0004-637x/794/2/159] [Citation(s) in RCA: 118] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Miyatake S, Tada H, Moriya S, Takanashi J, Hirano Y, Hayashi M, Oya Y, Nakashima M, Tsurusaki Y, Miyake N, Matsumoto N, Saitsu H. Atypical giant axonal neuropathy arising from a homozygous mutation by uniparental isodisomy. Clin Genet 2014; 87:395-7. [PMID: 25040701 DOI: 10.1111/cge.12455] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Revised: 07/01/2014] [Accepted: 07/02/2014] [Indexed: 11/28/2022]
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Kitagawa R, Kitagawa H, Izutani N, Hirose N, Hayashi M, Imazato S. Development of an antibacterial root canal filling system containing MDPB. J Dent Res 2014; 93:1277-82. [PMID: 25192898 DOI: 10.1177/0022034514549808] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
An antibacterial monomer 12-methacryloyloxydodecylpyridinum bromide (MDPB)-containing experimental, chemically cured primer was prepared to develop a new resin-based root canal filling system. This study investigated the antibacterial effects of the MDPB-containing primer (experimental primer [EP]) against Enterococcus faecalis and assessed the in vitro bonding and sealing abilities of the filling system, consisting of EP and a Bis-GMA-based sealer resin. Antibacterial effects of EP were evaluated by contact with planktonic or adherent bacteria for 30 or 60 sec, and the viable bacterial number was counted. The antibacterial effects against E. faecalis in dentinal tubules were also assessed, according to a root canal infection model. Bonding and sealing abilities of the experimental filling system were examined by microtensile bond strength tests and leakage tests based on fluid filtration methods. Significantly greater reduction in viable bacteria in planktonic and adherent form was obtained by short-period contact with EP compared with the control primer (without MDPB) or with the proprietary (Epiphany) primer (p < .05). Significantly greater bactericidal effects of the EP inside the dentinal tubule of root, as opposed to the control primer or Epiphany primer, were confirmed according to a root canal infection model (p < .05), and 100% killing of E. faecalis could be obtained by the application of EP after irrigation with a 5% sodium hypochlorite solution. The experimental endodontic filling system demonstrated significantly greater bond strength to root dentin than Epiphany sealer system (Epiphany primer and Epiphany Root Canal Sealant; p < .05), showing formation of resin tags and a hybridized layer. Leakage tests clarified that the experimental system provided excellent sealing. This study confirmed that the MDPB-containing experimental antibacterial primer has the ability to effectively disinfect the root canal. Additionally, the experimental root canal filling system employing this primer and the Bis-GMA-based sealer resin is useful for achieving good sealing, suggesting its possible benefit for successful endodontic treatments.
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