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An improved micromethod for infectivity assays and neutralization tests of dengue viruses. 登革病毒感染测定和中和试验的改进微法。
Biken journal Pub Date : 1987-06-01
T Ishimine, M Tadano, T Fukunaga, Y Okuno
{"title":"An improved micromethod for infectivity assays and neutralization tests of dengue viruses.","authors":"T Ishimine,&nbsp;M Tadano,&nbsp;T Fukunaga,&nbsp;Y Okuno","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>An improved micromethod for infectivity assays and neutralization (N) tests of dengue (DEN) type 1-4 viruses was developed, using 96-well plates and the PAP (peroxidase-antiperoxidase) staining technique. The foci formed on BHK-21 cell monolayers in wells of the plate were readily countable under an ordinary stereomicroscope. This micromethod has the advantages over the micromethod of the Lab-Tek 8 chamber slide system of lower cost, requirement for smaller volumes of test sera and applicability to larger number of serum specimens for N tests of DEN viruses.</p>","PeriodicalId":8767,"journal":{"name":"Biken journal","volume":"30 2","pages":"39-44"},"PeriodicalIF":0.0,"publicationDate":"1987-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14565446","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Adoptive immunotherapy of malignant diseases with IL-2-activated lymphocytes. il -2活化淋巴细胞对恶性疾病的过继免疫治疗。
Biken journal Pub Date : 1987-06-01
Y Kimoto, T Taguchi
{"title":"Adoptive immunotherapy of malignant diseases with IL-2-activated lymphocytes.","authors":"Y Kimoto,&nbsp;T Taguchi","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Lymphokine activated killer cells (LAK cells) or interleukin 2 (IL-2)-activated killer cells were induced by recombinant IL-2 (TGP-3) for clinical adoptive immunotherapy of malignant diseases. After incubation of peripheral blood lymphocytes (PBL) with IL-2 and normal human plasma for 1-2 weeks LAK cells were obtained that showed a maximum cytotoxicity against target cells, and did not need a toxic dose of IL-2 to enhance or maintain their cytotoxicity. Both autologous and allogeneic LAK cells were used in five clinical cases without any immune side effects, and were effective in three cases.</p>","PeriodicalId":8767,"journal":{"name":"Biken journal","volume":"30 2","pages":"29-38"},"PeriodicalIF":0.0,"publicationDate":"1987-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14625506","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Serological follow-up study on the antibody levels to Epstein-Barr virus-determined nuclear antigen (EBNA) patients with nasopharyngeal carcinoma (NPC) after radiation therapy. 鼻咽癌患者放射治疗后EBNA抗体水平的血清学随访研究
Biken journal Pub Date : 1987-06-01
M Shimakage, N Ikegami, M Chatani, K Yoshino, T Sato
{"title":"Serological follow-up study on the antibody levels to Epstein-Barr virus-determined nuclear antigen (EBNA) patients with nasopharyngeal carcinoma (NPC) after radiation therapy.","authors":"M Shimakage,&nbsp;N Ikegami,&nbsp;M Chatani,&nbsp;K Yoshino,&nbsp;T Sato","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Serological follow-up studies for up to 4 years on the levels of IgG antibody to EBV-determined nuclear antigen (EBNA) were carried out on 36 patients with nasopharyngeal carcinoma (NPC). The serum levels of IgA antibody specific to EBV capsid antigen (VCA) were also measured in some of the patients. The titers of EBNA antibody were measured by enzyme-linked immunosorbent assay (ELISA) and those of IgA antibody to VCA were measured by the indirect immunofluorescence method. The EBNA antibody titers in most sera from the patients before radiation therapy were found to be at least 4 times the mean values in the sera of healthy control adults. Within 2 to 8 months after completion of therapy by 4-MV liniac X-ray irradiation with total doses of 60 to 80 Gy, the titers of EBNA antibody in the sera of 6 patients had returned to normal levels, and low levels of EBNA antibody were maintained for a long time after therapy. These serological data were associated with a good clinical prognosis without recurrence or metastases. But in 6 patients, the patterns of change in the EBNA antibody levels were different: the levels remained high after therapy or first decreased to the normal level and then rose to at least 4 times this level. These 6 patients showed recurrence or metastases. The patterns of change in the EBNA antibody levels were well correlated with those of change in the levels of IgA antibody specific to VCA.(ABSTRACT TRUNCATED AT 250 WORDS)</p>","PeriodicalId":8767,"journal":{"name":"Biken journal","volume":"30 2","pages":"45-51"},"PeriodicalIF":0.0,"publicationDate":"1987-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13968862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Monoclonal antibodies against beta-antigen of Mycobacterium tuberculosis and their interspecies reactivities. 抗结核分枝杆菌β抗原单克隆抗体及其种间反应性。
Biken journal Pub Date : 1987-06-01
T H Paik, M Makino, T Ito
{"title":"Monoclonal antibodies against beta-antigen of Mycobacterium tuberculosis and their interspecies reactivities.","authors":"T H Paik,&nbsp;M Makino,&nbsp;T Ito","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Beta-antigen is one of the major proteins of Mycobacterium tuberculosis. We purified this antigen from the unheated culture filtrate of Mycobacterium tuberculosis Aoyama B and obtained nine monoclonal antibodies against the beta-antigen. Nine monoclonal antibodies were divided into two groups according to their patterns on Western blotting. The result indicated the existence of two or more determinant groups against these monoclonal antibodies on the beta-antigen molecule. The interspecies reactivity of monoclonal antibodies among twenty-one species of Mycobacteria was also examined by dot blotting analysis. Two monoclonal antibodies, designated 4G5E10 and 5F3F2, showed a specificity restricted to the Mycobacterium tuberculosis complex, could be used for serodiagnosis of Mycobacterium tuberculosis infection.</p>","PeriodicalId":8767,"journal":{"name":"Biken journal","volume":"30 2","pages":"53-9"},"PeriodicalIF":0.0,"publicationDate":"1987-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13595438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Corneal test as a reliable method for detection of the delayed-type hypersensitivity reaction in mice. 角膜试验是检测小鼠迟发性超敏反应的可靠方法。
Biken journal Pub Date : 1987-03-01
I Morisaki, T Shimono, N Kohno, D E Stewart-Tull, S Kotani, H Kitamura
{"title":"Corneal test as a reliable method for detection of the delayed-type hypersensitivity reaction in mice.","authors":"I Morisaki,&nbsp;T Shimono,&nbsp;N Kohno,&nbsp;D E Stewart-Tull,&nbsp;S Kotani,&nbsp;H Kitamura","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Antigen solution could be injected into the cornea of sensitized mice using a fine needle and a stereoscopic dissecting microscope. The resulting corneal reaction was shown to be a reliable method in the detection and estimation of delayed-type hypersensitivity in mice that had been immunized with a water-in-oil emulsion containing an ovalbumin and a cell wall adjuvant. Unlike the delayed skin reaction in the ear lobe, this corneal reaction was not affected by a coexisting Arthus reaction.</p>","PeriodicalId":8767,"journal":{"name":"Biken journal","volume":"30 1","pages":"9-16"},"PeriodicalIF":0.0,"publicationDate":"1987-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14795785","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Differential ability of tumor-unique and cross-reactive antigen(s) on two murine hepatoma cell lines to induce Lyt-1+2- T cells responsible for in vivo protective immunity. 肿瘤特异性抗原和交叉反应性抗原在两种小鼠肝癌细胞系上诱导负责体内保护性免疫的Lyt-1+2- T细胞的差异能力
Biken journal Pub Date : 1987-03-01
J Shima, T Yoshioka, A Kosugi, M Ogata, H Fujiwara, T Hamaoka, S Ueda, S Kato
{"title":"Differential ability of tumor-unique and cross-reactive antigen(s) on two murine hepatoma cell lines to induce Lyt-1+2- T cells responsible for in vivo protective immunity.","authors":"J Shima,&nbsp;T Yoshioka,&nbsp;A Kosugi,&nbsp;M Ogata,&nbsp;H Fujiwara,&nbsp;T Hamaoka,&nbsp;S Ueda,&nbsp;S Kato","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The role of the tumor-unique determinant(s) on two syngeneic murine hepatoma cells in inducing in vivo protective immunity was investigated in comparison with that of the tumor-cross-reactive determinant(s). Induction of vaccinia-reactive helper T cells in C3H/He mice by intraperitoneal (i.p.) inoculation of viable vaccinia virus and then immunization with vaccinia-infected syngeneic MH134 or MH129 tumor cells resulted in the production of potent anti-MH134 or -MH129 antibody as well as the generation of in vivo protective immunity. Neither antibody reacted with other syngeneic plasmacytoma or fibrosarcoma cells, but both cross-reacted appreciably with the other hepatoma cells as well reacted strongly as with the tumor cells used for immunization. The absorptions of anti-MH134 and -MH129 antisera with the respective hepatoma cells abolished their reactivities with both the corresponding hepatoma cells and the other hepatoma cells. In contrast, the absorption of these antisera with the other tumor cells resulted in loss of their cross-reactivities with the other hepatoma cells, but not loss of their specific reactivity to the respective hepatoma cells. Although in these hematoma systems, the above-mentioned immunization protocol resulted in in vivo induction of protective immunity and generation of antibodies, in vivo immunity as observed by Winn assays was mediated by Lyt-1+2- T cells and was specific for each type of hepatoma cells. These results indicate that these two types of hepatoma cells bear two kinds of antigenic determinants, one kind unique to each hepatoma and the other kind cross-reactive with the other hepatoma cells.(ABSTRACT TRUNCATED AT 250 WORDS)</p>","PeriodicalId":8767,"journal":{"name":"Biken journal","volume":"30 1","pages":"1-8"},"PeriodicalIF":0.0,"publicationDate":"1987-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13592088","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Immunoglobulin M antibody to hepatitis B core antigen (IgM anti-HBc) as a marker of interferon therapy in patients with persistent hepatitis B virus infection. 乙型肝炎核心抗原免疫球蛋白M抗体(IgM抗hbc)作为持续乙型肝炎病毒感染患者干扰素治疗的标志。
Biken journal Pub Date : 1987-03-01
E Nakajima, T Tsuji, K Kachi, K Kagawa, T Okanoue, T Takino, A Yamada, J Imanishi
{"title":"Immunoglobulin M antibody to hepatitis B core antigen (IgM anti-HBc) as a marker of interferon therapy in patients with persistent hepatitis B virus infection.","authors":"E Nakajima,&nbsp;T Tsuji,&nbsp;K Kachi,&nbsp;K Kagawa,&nbsp;T Okanoue,&nbsp;T Takino,&nbsp;A Yamada,&nbsp;J Imanishi","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Immunoglobulin M antibody to hepatitis B core antigen (IgM anti-HBc) was measured by radioimmunoassay in the sera of 96 HBV carriers. IgM anti-HBc was detected in 17 of 66 patients with chronic active hepatitis and in 4 of 11 with liver cirrhosis. This antibody was not present in asymptomatic carriers or in patients with chronic persistent hepatitis. Testing of sequential samples revealed that the presence of IgM anti-HBc indicated active replication of HBV and at the same time an immune response to the virus. The relationship between IgM anti-HBc and the response to interferon (IFN) therapy was also studied. Results showed that IgM anti-HBc is a useful marker of the efficacy of interferon therapy.</p>","PeriodicalId":8767,"journal":{"name":"Biken journal","volume":"30 1","pages":"17-23"},"PeriodicalIF":0.0,"publicationDate":"1987-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14795783","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Possible conversion of axonemal microtubules to pellicular microtubules in Trypanosoma gambiense treated with vinblastine, colchicine plus concanavalin A. 长春碱、秋水仙碱加豆豆蛋白A处理冈比亚锥虫轴突微管向细胞微管转化的可能性。
Biken journal Pub Date : 1987-03-01
T Ono, T Nakabayashi
{"title":"Possible conversion of axonemal microtubules to pellicular microtubules in Trypanosoma gambiense treated with vinblastine, colchicine plus concanavalin A.","authors":"T Ono,&nbsp;T Nakabayashi","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The effects of vinblastine alone and in combination with vinblastine, colchicine and concanavalin A on microtubules of Trypanosoma gambiense cultured in vitro were studied ultrastructurally. Trypanosomes treated with vinblastine at 20 micrograms/ml, showed fusion of the extracellular flagellum with the plasma membrane of the parasite. As a result, the axoneme with the paraxial rod in the extracellular flagellum was taken into the cytoplasm. Although the axonemal and pellicular microtubules in T. gambiense differ in function and origin, the axonemal microtubules of the extracellular flagellum that was taken into the cytoplasm could be converted to pellicular microtubules by treatment with a combination of vinblastine (20 micrograms/ml), concanavalin A (10 micrograms/ml) and colchicine (100 micrograms/ml).</p>","PeriodicalId":8767,"journal":{"name":"Biken journal","volume":"30 1","pages":"25-8"},"PeriodicalIF":0.0,"publicationDate":"1987-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14795784","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Protection of mumps in children with various underlying diseases: application of a live attenuated mumps and trivalent measles-rubella-mumps (MRM) vaccines in these children. 保护患有各种基础疾病的儿童的腮腺炎:在这些儿童中应用减毒腮腺炎活疫苗和三价麻疹-风疹-腮腺炎(MRM)疫苗。
Biken journal Pub Date : 1986-12-01
T Kanesaki, K Baba, N Tsuda, H Yabuuchi, K Yamanishi, M Takahashi
{"title":"Protection of mumps in children with various underlying diseases: application of a live attenuated mumps and trivalent measles-rubella-mumps (MRM) vaccines in these children.","authors":"T Kanesaki,&nbsp;K Baba,&nbsp;N Tsuda,&nbsp;H Yabuuchi,&nbsp;K Yamanishi,&nbsp;M Takahashi","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A live attenuated mumps and trivalent measles-rubella-mumps (MRM) vaccines have been applied to 887 and 148 children with various underlying diseases at the vaccine clinic of Osaka University Hospital between 1975 and 1985, respectively. Clinical reactions after mumps vaccination occurred in only 7 children (0.8%) and those after MRM vaccination in 28 children (19%), but their underlying diseases were not deteriorated by either vaccination. Clinical follow up study revealed that 2 of the 430 children immunized with mumps vaccine had contracted the disease during 7 year period and 2 of the 123 children immunized with MRM vaccine had contracted clinical mumps or rubella during 3 year period. The seroconversion rates after mumps vaccination were 70% and 61% by the hemagglutination inhibition (HI) test and neutralization (NT) test, respectively, while 94% by the fluorescent antibody to membrane antigen (FAMA) test. Those after MRM vaccination were 87% for measles, 96% for rubella by the HI test and 89% for mumps by the FAMA test. Serological follow up study revealed that antibodies elicited by mumps vaccination were sustained without substantial decline for at least 7 years. These results suggest that a live attenuated mumps and MRM vaccines are safe and effective in children with various underlying diseases.</p>","PeriodicalId":8767,"journal":{"name":"Biken journal","volume":"29 3-4","pages":"63-71"},"PeriodicalIF":0.0,"publicationDate":"1986-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14433059","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Induction of gametocytogenesis in Plasmodium falciparum by the culture supernatant of hybridoma cells producing anti-P. falciparum antibody. 产生抗p的杂交瘤细胞培养上清液诱导恶性疟原虫配子细胞发生。恶性疟原虫抗体。
Biken journal Pub Date : 1986-12-01
T Ono, T Nakai, T Nakabayashi
{"title":"Induction of gametocytogenesis in Plasmodium falciparum by the culture supernatant of hybridoma cells producing anti-P. falciparum antibody.","authors":"T Ono,&nbsp;T Nakai,&nbsp;T Nakabayashi","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>There have been many unsuccessful attempts to induce gametocytogenesis in vitro. In the present experiment, however, we found that RPMI-CS medium and RPMI-FS medium prepared by dissolving powdered RPMI 1640 medium in the culture supernatants of hybridoma cells, hybrid line D21 and 219.5, respectively, that produce anti-P. falciparum antibody induced gametocytogenesis. Gametocytogenesis was consistently observed from 3 days after addition of these media. The culture supernatant of anti-P. falciparum antibody producing hybridoma cells did not induce gametocytogenesis in the absence of RPMI 1640 medium. RPMI-MS medium, prepared by dissolving powdered RPMI 1640 medium in the culture supernatant of myeloma cells, SP2/O-Ag 14, which was used as a control, induced a few gametocytes.</p>","PeriodicalId":8767,"journal":{"name":"Biken journal","volume":"29 3-4","pages":"77-81"},"PeriodicalIF":0.0,"publicationDate":"1986-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14433061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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