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1.
NAOHIRO WATANABE YUKIFUMI NAWA KENICHI OKAMOTO AKIO KOBAYASHI 《Parasite immunology》1994,16(3):137-144
The roles of IgE and mast cells on expulsion of adult Hymenolepis nana from the intestine were examined in mice. IgE-dependency was determined by comparing congenitally IgE-deficient SJA/9 and IgE-producing SJL/J mice infected with 50 H. nana eggs. Anti-H. nana IgE antibody was detected at three weeks post infection (p.i.) in SJL but not in SJA mice. The number of adult worms in the intestines of SJA and of SJL mice were similar at two weeks, but significantly more were found in SJA mice at three weeks p.i. Treatment of mice with anti-ɛ antibody also resulted in an increased worm burden at three weeks, suggesting participation of IgE in expulsion of H. nana. Intestinal mastocytosis was induced by infection regardless of the IgE status of the mice. Mast cell-dependency was tested in mast cell-deficient W/Wu and in normal littermate +/+ mice infected with 100 H. nana eggs. Anti-H. nana antibody was detected in both groups of mice at three weeks p.i. Worm expulsion seemed to be mast cell dependent because expulsion was less complete in W/Wu mice at three weeks p.i. Peripheral blood eosinophilia was comparable at three weeks p.i. in both IgE and mast cell sufficient and deficient mice. These results suggest that IgE and mast cells participate in the expulsion of H. nana adults from intestine in mice. 相似文献
2.
Coexistence of renal replacement lipomatosis with xanthogranulomatous pyelonephritis 总被引:1,自引:0,他引:1
YUKO SAKATA NOBUTAKA KINOSHITA HIROMI KATO YASUSHI YAMADA YOSHIKI SUGIMURA 《International journal of urology》2004,11(1):44-46
We report on a case of coexistence of replacement lipomatosis with xanthogranulomatous pyelonephritis (XGP) in the same kidney associated with staghorn calculi. A 63-year-old man was admitted to hospital complaining of a right abdominal mass. Computed tomography (CT) showed renal parenchymal atrophy with extremely increased perirenal fat. Right nephrectomy was performed. Postoperative diagnosis was renal replacement lipomatosis with XGP. Renal replacement lipomatosis and XGP have several similarities in terms of clinical background and CT findings. Sometimes it is difficult to differentiate them from malignant diseases. It is extremely rare that both conditions coexist in the same kidney. To our knowledge, only one such case has been reported. 相似文献
3.
KATSUHIRO HAYASHI TOSHIMASA OCHIAI YOSHIHIRO ISHINODA TAKESHI OKAMOTO TOSHIHIRO MARUYAMA KAZUNORI TSUDA HIROHITO TSUBOUCHI 《Journal of gastroenterology and hepatology》1997,12(3):249-256
The importance of oxygen in maintaining the functional integrity of hepatocytes has been well established in a variety of experimental models, such as in vivo , perfused liver and isolated hepatocytes. However, one of the shortcomings of these systems is their short life span. Therefore, we have examined the effects of long-term hypoxia on cellular adenine nucleotide content and cellular functions, such as albumin production, urea production and DNA synthesis, in adult rat hepatocytes in primary culture. Hepatocytes were cultured at a density of 11 × 104 and 5 × 104 cells/0.18 mL per cm2 for the study of albumin and urea production and DNA synthesis, respectively, at various oxygen tensions (20, 12, 8 and 5%) for 24 h. Cellular ATP content in cultured hepatocytes in hypoxia gradually declined, corresponding to the decrease in oxygen tension, and the cellular ATP level at 5% oxygen was approximately 20% of that at 20% oxygen. Albumin production also decreased in parallel with the decrease in cellular ATP content in cultured hepatocytes in hypoxia. However, even when cellular ATP content gradually declined corresponding with the decrease in oxygen tension in cultured hepatocytes in hypoxia, such as at 8 or 5% oxygen, urea production remained at a high level; in contrast, DNA synthesis was completely suppressed. These results suggest that the cellular ATP content decreases in cultured hepatocytes during long-term hypoxia in relation to oxygen tension and that the relationship between decreased ATP levels and liver function in cultured hepatocytes during hypoxia differs for albumin production, urea production and DNA synthesis. 相似文献
4.
TERUO MURAKAMI MAKIKO YOSHIOKA ICHIRO OKAMOTO RYOKO YUMOTO YUTAKA HIGASHI KAYO OKAHARA NOBORU YATA 《The Journal of pharmacy and pharmacology》1998,50(1):55-61
Microdialysis has been used to determine the concentration of salicylic acid in skin tissue and plasma periodically for 4 h to evaluate the effect of ointment bases on topical and transdermal delivery of salicylic acid. The ointment bases examined were solbase (water-soluble), poloid and white petrolatum (oleaginous), hydrophilic poloid (water in oil (w/o) type emulsion lacking water) and absorptive ointment (w/o-type emulsion containing water). The ointments (0.1 g) containing 25 μmol salicylic acid were applied for 2 h to the surface of rat skin (1 cm2) with (intact) or without the stratum corneum. For intact skin, the extent of topical delivery from different ointments, evaluated by the area under the concentration-time curve (AUC) of salicylic acid in the skin tissue (AUCskin), increased in the order solbase. white petrolatum, poloid, hydrophilic poloid. absorptive ointment. The ratio of AUCskin (topical delivery) to the AUC of salicylic acid in plasma (AUCplasma, transdermal delivery) varied remarkably among the different bases, the greatest ratio being observed for absorptive ointment. When the ointments were applied to skin surface without stratum corneum, AUCskin for solbase was much higher (about 45 times that for intact skin), whereas only a small (two-fold) increase was observed for poloid and hydrophilic poloid and the increase was negligible for white petrolatum and absorptive ointment. For skin without the stratum corneum, the ratio AUCskin/AUCplasma for the different ointments was comparable, although the magnitudes of AUCskin and AUCplasma still varied substantially. The variance of AUC values arises as a result of the different rates of release of salicylic acid from the bases. These results indicate that: the topical and transdermal delivery of salicylic acid in intact skin varies substantially among different ointment bases, and the greatest topical delivery is observed for absorptive ointment; use of absorptive ointment increases the retention of salicylic acid in the stratum corneum; and the stratum corneum functions strongly as a penetration barrier for solbase, moderately for poloid and hydrophilic poloid, and less for absorptive ointment and white petrolatum. 相似文献
5.
Specific immunotherapy with tumour-draining lymph node cells cultured with both anti-CD3 and anti-CD28 monoclonal antibodies 下载免费PDF全文
M. HARADA T. OKAMOTO K. OMOTO K. TAMADA M. TAKENOYAMA C. HIRASHIMA O. ITO G. KIMURA K. NOMOTO 《Immunology》1996,87(3):447-453
For providing costimulatory signals, we utilized anti-CD28 monoclonal antibody (mAb) for the in vitro culture of tumour-draining lymph node (LN) cells. The proliferation of B16 melanoma-draining LN cells in the culture with anti-CD3 mAb was remarkably enhanced by the addition of anti-CD28 mAb. In culture with both anti-CD3 and anti-CD28 mAb, the B16-draining LN cells produced a higher level of interferon-γ, but not interleukin-4, than with anti-CD3 mAb alone. The B16-draining LN cells efficiently expanded in the culture with both anti-CD3 and anti-CD28 mAb and subsequently with a low dose of IL-2 (anti-CD3 plus anti-CD28/IL-2). The expanded cells consisted predominantly of CD8+ T cells and showed a specific cytolytic activity, in a major histocompatibility complex (MHC) class I-restricted manner, even without in vitro restimulation. In addition, the adoptive transfer of the B16-draining LN cells, expanded in the culture protocol of anti-CD3 plus anti-CD28/IL-2, showed a significant anti-tumour effect against metastatic B16 melanoma in combination with IL-2. The cured mice thus acquired a specific protective immunity. Moreover, this protocol was also moderately effective against poorly immunogenic 3LL carcinoma. Overall, our results suggest the potential for another immunotherapeutic strategy based on ‘the costimulatory theory’ other than vaccination with B7-transfected tumour cells. 相似文献
6.
Shigeru YAMAGUCHI Hiroaki MOTEGI Yukitomo ISHI Michinari OKAMOTO Ryosuke SAWAYA Hiroyuki KOBAYASHI Shunsuke TERASAKA Kiyohiro HOUKIN 《Neurologia medico-chirurgica》2021,61(4):245
Bevacizumab (BEV) is a key anti-angiogenic agent used in the treatment for recurrent glioblastoma multiforme (GBM). The aim of this study was to investigate whether cytoreductive surgery prior to treatment with BEV contributes to prolongation of survival for patients with recurrent GBM. We retrospectively analyzed the treatment outcomes of 124 patients with recurrent GBM who were initially treated with the Stupp protocol between 2006 and 2019. Given that BEV has only been available in Japan since 2013, we grouped the patients into two groups according to the time of first recurrence: the pre-BEV group (N = 51) included patients who had recurrence before BEV approval, and the BEV group (N = 73) included patients with recurrence after BEV approval. The overall survival after first recurrence (OS-R) was analyzed according to the treatment strategy. Among 124 patients, 27 patients (19.4%) received cytoreductive surgery. There were nine cases in the pre-BEV group and 18 cases in the BEV group. Although the mean extent of resection for both groups was almost equal, OS-R was significantly different. The median OS-R was 8.1 m in the pre-BEV group and 16.3 m in the BEV group (P = 0.007). Multivariate analysis revealed that the unavailability of BEV postoperatively (P = 0.03) and decreasing performance status by surgery (P = 0.01) were significant poor prognostic factors for survival after surgery. With the advent of BEV, cytoreductive surgery might provide superior survival benefit at the time of GBM recurrence, especially in cases where surgery can be performed without deteriorating the patient’s condition. 相似文献
7.
Y. OHASHI Y. NAKAI Y. KAKINOKI Y. OHNO H. OKAMOTO H. SAKAMOTO A. KATO A. TANAKA 《Clinical otolaryngology》1997,22(2):100-105
The role of serum eosinophil cationic protein levels in allergic rhinitis is controversial. It is also unclear whether with immunotherapy it is possible to reduce these serum levels in allergic diseases. We studied serum eosinophil cationic protein levels in patients with cedar-induced allergic rhinitis and compared them with non-atopic controls. The second aim of this study was to elucidate whether immunotherapy is capable of decreasing the seasonal elevation in serum eosinophil cationic protein levels in seasonal allergic rhinitis. The serum eosinophil cationic protein levels of the untreated patient group were significantly higher than those of the non-atopic controls. The levels in patients who received immunotherapy for 2 yr were also significantly higher than those of the non-atopic controls. However, the levels were not different between the patients undergoing immunotherapy for over 3 yr and the non-atopic controls. The serum levels of the 31 patients treated with immunotherapy correlated with the duration of immunotherapy. In conclusion, the serum eosinophil cationic protein levels are higher in untreated patients with seasonal allergic rhinitis and this seasonal activation in circulating eosinophils decreases gradually during immunotherapy, but this inhibitory effect becomes apparent only after a number of years of immunotherapy. This prevention of seasonal eosinophil activation is one of the mechanisms responsible for the clinical effect of immunotherapy. 相似文献
8.
9.
HISAKI MAKIMOTO M.D. Ph.D. IKUTARO NAKAJIMA M.D. KOJI MIYAMOTO M.D. YUKO YAMADA M.D. HIDEO OKAMURA M.D. TAKASHI NODA M.D. Ph.D. TAKESHI AIBA M.D. Ph.D. SHIRO KAMAKURA M.D. Ph.D. KENGO KUSANO M.D. Ph.D. WATARU SHIMIZU M.D. Ph.D. KAZUHIRO SATOMI M.D. Ph.D. 《Pacing and clinical electrophysiology : PACE》2015,38(5):630-640
10.
YUKO UCHIMURA‐MAKITA M.D. YUKIKO NAKANO M.D. Ph.D. TAKEHITO TOKUYAMA M.D. MAI FUJIWARA M.D. YOSHIKAZU WATANABE M.D. AKINORI SAIRAKU M.D. HIROSHI KAWAZOE M.D. HIROYA MATSUMURA M.D. NOZOMU ODA M.D. HIROKI IKANAGA M.D. CHIKAAKI MOTODA M.D. KENTA KAJIHARA M.D. Ph.D. NOBORU ODA M.D. Ph.D. RICHARD L. VERRIER Ph.D. YASUKI KIHARA M.D. Ph.D. 《Journal of cardiovascular electrophysiology》2014,25(9):1021-1027