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排序方式: 共有147条查询结果,搜索用时 31 毫秒
1.
Pseudotype hepatitis C virus enters immature myeloid dendritic cells through the interaction with lectin 总被引:3,自引:0,他引:3
Kaimori A Kanto T Kwang Limn C Komoda Y Oki C Inoue M Miyatake H Itose I Sakakibara M Yakushijin T Takehara T Matsuura Y Hayashi N 《Virology》2004,324(1):74-83
Dendritic cells (DC) are the most potent antigen-presenting cells that regulate immune responses. One of the mechanisms for hepatitis C virus (HCV) persistence is the ability of HCV to suppress DC function. Direct HCV infection to blood DC has been implicated for DC dysfunction. To clarify the susceptibility of each DC subset to HCV, we used pseudotype vesicular stomatitis virus (VSV) coated with chimeric HCV envelope glycoproteins (E1 and E2). We demonstrate that pseudotype VSV enters myeloid DC (MDC) but not plasmacytoid DC (PDC). The highest efficiency of pseudotype VSV entry to MDC was observed when MDC were cultured with GM-CSF. Such efficiency decreased when MDC are matured with the treatment of IL-4, CpG oligodeoxynucleotide, or CD40 ligand. Mannan inhibited pseudotype VSV entry to MDC, but Ca(2+) chelators failed to do so. These results show that pseudotype VSV possessing HCV-E1 and E2 enters immature MDC through the interaction with lectins in a Ca(2+)-independent manner. 相似文献
2.
Kudoh M Satoh H Kaimori M Hayashi K Sakurabayashi I 《Rinsho byori. The Japanese journal of clinical pathology》2003,51(5):419-424
A 10-year-old child was diagnosed as subacute necrotizing lymphadenitis. After a steroid hormone (predonine) administration for 17 days, he showed total cholesterol(TC) 420 mg/dl, triglyceride(TG) 839 mg/dl, and LDL-cholesterol 241 mg/dl. The hyperlipidemia seemed to be a side effect of the steroid at the onset. However, the lipoprotein fraction by the agarose gel and polyacrylamide gel (PAG) electrophoresis showed type III of the WHO classification, that is, presence of broad band as well as appearance of mid band, small dense-LDL and the disrupted type of LDL band. In addition, there were hyperlipidemia (high levels of the TC, TG, LDL-cholesterol) in 4 persons out of 6 family members, and LDL pattern of the PAG electrophoresis, 4 persons showed the nodular type. They have higher possibility of combined-type familial hyperlipiemia from the above results, and it seemed to be the case in which the hyperlipidemia was exacerbated by the steroid administration. 相似文献
3.
4.
Kawamura C Nakamura T Watanabe K Kaimori M 《Kansenshōgaku zasshi. The Journal of the Japanese Association for Infectious Diseases》2002,76(1):23-31
We experienced 108 cases of Fusobacterium associated infections, including otolaryngeal, oral, pleuropulmonary, intraabdominal, skin and soft tissue infections, at Aomori Prefectural Hospital during The 5 year-period from 1995 to 1999. A total of 433 organisms, included 113 Fusobacterium spp. (80 Fusobacterium nucleatum, 18 Fusobaterium necrophorum, 5 Fusobacterium varium, 4 Fusobacterium mortiferum, 6 Fusobacterium spp.), were recovered with an average of 4.0 organisms per case of the 108 cases, 68% were mixed aerobic and anaerobic and yielded 185 anaerobic bacteria (2.5 per case) and 137 aerobic bacteria (1.9 per case) with an average of 4.4 per case. The remaining 32% were purely anaerobic and yielded 111 organisms with an average of 3.2 per case, Prevotella spp., Bacteroides fragilis group, Streptococcus milleri group, Enterobacteriaceae, Peptostreptococcus spp. Staphylococcus spp. were most frequently coisolated with Fusobacterium spp. 相似文献
5.
Jyunya Matsumi MD Shigeru Saito MD FACC FSCAI 《Catheterization and cardiovascular interventions》2008,71(6):810-814
After the introduction of the retrograde approach in percutaneous coronary intervention for chronic total occlusion (CTO), different kinds of strategies and techniques have been developed in order to achieve final success. However, it has not been fully demonstrated whether these strategies and techniques can really improve the final result. We observed one case, for which the initial attempt of the retrograde approach for a CTO lesion was unsuccessful despite the successful approach of a retrograde guidewire to the lesion, and with the second retrograde approach 3 years later being eventually successful by using various kinds of strategies and techniques. This case clearly demonstrates how the final success through the retrograde approach can be achieved by using a combination of the improved strategies and techniques for CTO lesions. © 2008 Wiley‐Liss, Inc. 相似文献
6.
Yohei Hamaue Jiro Nakano Yuki Sekino Sayaka Chuganji Jyunya Sakamoto Toshiro Yoshimura Tomoki Origuchi Minoru Okita 《The journal of physiological sciences : JPS》2013,63(6):401-408
This study examined mechanical and thermal hypersensitivity in the rat hind paw during cast immobilization of the hind limbs for 4 or 8 weeks and following cast removal. Blood flow, skin temperature, and volume of the rat hind paw were assessed in order to determine peripheral circulation of the hind limbs. Sensitization was analyzed by measuring the expression of the calcitonin gene-related peptide (CGRP) in the spinal dorsal horn following cast immobilization. Two weeks post immobilization, mechanical and thermal sensitivities increased significantly in all rats; however, peripheral circulation was not affected by immobilization. Cast immobilization for 8 weeks induced more serious hypersensitivity compared to cast immobilization for 4 weeks. Moreover, CGRP expression in the deeper lamina layer of the spinal dorsal horn increased in the rats immobilized for 8 weeks but not in those immobilized for 4 weeks. These findings suggest that immobilization-induced hypersensitivity develops during the immobilization period without affecting peripheral circulation. Our results also highlight the possibility that prolonged immobilization induces central sensitization in the spinal cord. 相似文献
7.
M. Horio Y. Yasuda J. Kaimori N. Ichimaru Y. Kakuta Y. Isaka S. Matsuo S. Takahara 《Transplantation proceedings》2014
Background
It was reported that the glomerula filtration rate (GFR) equation based on serum creatinine underestimated the GFR in potential kidney donors. Recently, the Japanese GFR equation based on standardized serum cystatin C was reported. Therefore, we assessed the performance of the equation in potential kidney donors.Methods
Forty-five potential kidney donors from 2 hospitals were included. GFR was measured (mGFR) using inulin renal clearance. Serum creatinine was measured using the enzymatic method. Serum cystatin C was measured using a nephelometric immunoassay (Siemens) and calibrated to the standardized value traceable to ERM-DA471/IFCC using an equation reported previously. The estimated GFR (eGFR) was calculated using the Japanese GFR equation based on serum creatinine (eGFRcreat) and the Japanese GFR equation based on serum cystatin C (eGFRcys). Bias (mGFR - eGFR) and accuracy (P30) of the equations were evaluated.Results
Inulin clearance, eGFRcreat, and eGFRcys were 91.0 ± 18.2, 78.5 ± 18.8, and 93.3 ± 16.3 mL/min/1.73 m2, respectively. Bias of eGFRcreat was 12.4 ± 15.8 mL/min/1.73 m2 and significantly different from zero, indicating underestimation of GFR. Bias of eGFRcys was −2.3 ± 16.3 mL/min/1.73 m2 and was not significantly different from zero, suggesting better performance. But, the precision (standard deviation [SD] of bias) and accuracy (P30: Percentage of participants with eGFR within 30% of mGFR) of eGFRcys were not better compared with eGFRcreat. Accuracies (P30) of eGFRcreat and eGFRcys were 87% (95% confidence interval [CI], 74–94) and 82% (95% CI, 69–91), respectively.Conclusion
Bias of eGFRcys was better compared with eGFRcreat. But, the precision (SD of bias) and accuracy of eGFRcys were not superior compared with eGFRcreat in potential kidney donors. 相似文献8.
Y. Wang N. Ichimaru M. Kyo Y. Kakuta M. Okumi J.Y. Kaimori N. Nonomura Y. Fan S. Takahara 《Transplantation proceedings》2014
Introduction
Tonsillectomy has been applied for recurrent immunoglobulin (Ig)A nephropathy (IgAN) in kidney transplantation recipients, but allograft histologic changes after this treatment remain unclear.Methods
Five patients with recurrent IgAN underwent tonsillectomy for persistent proteinuria (average, 397.2 mg/d; >6 months). Six repeated biopsies were taken 33.8 ± 17.1 months after treatment. Glomerular IgA deposition was detected by immunofluorescence staining on frozen tissue. Histologic and clinical data have been collected.Results
An average of 11.2 months (range, 6–20) after tonsillectomy, proteinuria decreased to 60.8 ± 49.3 mg/d. Serum creatinine (SCr) slightly decreased (1.33 ± 0.31 before vs 1.24 ± 0.29 after treatment; P > .05). In 5 of the 6 repeated biopsy samples month after tonsillectomy, there was decreased mesangial IgA deposition. Glomerular crescent and endothelial proliferation were no longer found, although there was increased focal sclerosis and adhesion. After tonsillectomy, there were increased interstitial fibrosis and tubular atrophy, with no significant differences in Banff scores.Conclusions
Tonsillectomy can reverse not only persistent proteinuria, but also mesangial IgA deposition in patients with recurrent IgAN. Tonsillectomy may have both favorable clinical and histologic effects in recurrent IgAN after kidney transplantation. 相似文献9.
Murakami K Takahashi N Matumura N Umezawa K Midorikawa H Kaimori M Nishijima M 《No shinkei geka. Neurological surgery》2002,30(10):1089-1094
We report a case presenting a brain abscess with multiple infectious aneurysms. A 59-year-old man was transferred to our hospital suffering from left hemiparesis. MRI demonstrated a huge mass in the right frontal lobe with marked brain edema in the surrounding area. Diffusion-weighted image revealed heterogenous intensity, which is not typical in cases of brain abscess. Surgical removal was planned, and preoperative angiography was performed. Angiography demonstrated aneurysms at the distal branch of both the right middle cerebral artery and the anterior cerebral artery. These aneurysms were surgically resected, and the abscess was totally removed. Postoperative course was uneventful. Left hemiparasis was resolved, and there was no ischemic lesion seen on postoperative MRI. In the treatment of brain abscess, stereotactic aspiration has recently been preferred to removal by craniotomy. We conclude that cerebral angiography might be necessary to evaluate cerebrovascular complications including infectious aneurysms, in cases presenting atypical findings in neuroimaging study. 相似文献
10.
Nakajima H Takenaka M Kaimori JY Nagasawa Y Kosugi A Kawamoto S Imai E Hori M Okubo K 《Kidney international》2002,61(5):1577-1587
BACKGROUND: Proximal tubules activated by reabsorption of protein are thought to play significant roles in the progression of kidney diseases. Thus, identification of genes related to proteinuria should provide insights into the pathological process of tubulointerstitial fibrosis. METHOD: Gene expression profiles were constructed by means of direct sequencing procedures to identify genes induced in the mouse kidney proximal tubules (PT) exposed to proteinuria. RESULTS: By comparing the gene expression of control PT to that of disease model PT, the abundantly expressed genes in control PT were down-regulated presumably because of potentially toxic effects of proteinuria. From the more than 1000 up-regulated genes, an immunity related gene, thymic shared antigen-1 (TSA-1), and a novel gene, GS188, were selected for further characterization. The increased expression of TSA-1, a member of the Ly-6 family, and of GS188 in response to proteinuria was confirmed by Northern analysis, immunohistochemistry, in situ hybridization and laser microdissection along with real-time PCR analysis. Full length cloning of GS188 identified it as a family member of LR8 that was reported to express predominantly in fibroblasts. CONCLUSIONS: The gene expression profiles showed that the expression patterns in PT were changed dramatically by proteinuria. The profiles include novel genes that should be further characterized to aid the understanding of the pathophysiology of progressive kidney diseases. 相似文献