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311.
Crystallization of ribonuclease T1 总被引:1,自引:0,他引:1
312.
T Homma K Suzuki Y Kudo M Inagawa S Mizuno K Yamaguchi M Tagawa 《Archives of biochemistry and biophysics》1989,273(1):189-196
We established 11 hybridomas producing monoclonal antibodies (MoAbs), designated AM, against human myeloperoxidase (MPO), by immunizing mice with the three forms of MPO (I, II, and III) purified from healthy human polymorphonuclear leukocytes (PMN) and characterized the specificity of the AM MoAbs. Ten of the AM MoAbs reacted similarly to each of the three forms using an enzyme-linked immunosorbent assay. When a cetyltrimethylammonium bromide (CETAB) extract of human PMN was electrophoresed in a CETAB polyacrylamide gel and transferred to a nitrocellulose filter, IgG1 class AM MoAbs immunostained only the MPO band of the proteins of the extract. In addition, the AM MoAbs reacted to two radioactive bands of 94 and 92 kDa in a HL-60 cell lysate labeled with [35S]methionine for 1 h. After a chase period of 24 h, these bands were replaced by four radioactive bands of 64.5, 43, 16.7, and 13.4 kDa, demonstrating that the MoAbs recognize not only mature MPO but also the MPO precursors of 94 and 92 kDa. The data also indicated that the two major bands of 64.5 and 13.4 kDa corresponded to heavy and light chains of mature MPO, respectively, and the additive intermediate bands of 43 and 16.7 kDa were MPO-related proteins. Moreover, AM MoAbs reacted to a similar extent to the deglycosylated form of MPO III with endo-beta-N-acetylglucosaminidase H (Endo-H). Thus, IgG1 class AM MoAbs recognized MPO with high specificity and reacted to the structure which is commonly conserved in the three mature forms of MPO (I, II, and III), MPO precursors, and deglycosylated MPO with Endo-H. AM MoAbs also specifically reacted to PMN and/or monocytes but did not react to lymphocytes when the cell staining method was used. 相似文献
313.
Reactivity of mouse monoclonal antibody M2590 against B16 melanoma cells with chemically synthesized GM3 ganglioside 总被引:2,自引:0,他引:2
Y Hirabayashi M Sugimoto T Ogawa M Matsumoto M Tagawa M Taniguchi 《Biochimica et biophysica acta》1986,875(1):126-128
A mouse (C57BL/6) monoclonal antibody M2590, which is established against syngeneic melanoma B16 cells, reacted with chemically synthesized GM3. NeuAc alpha 2-3Gal beta 1-4Glc beta 1-1' ceramide (24:0/d 18:1), but not with its stereoisomer, NeuAc beta 2-3Gal beta 1-4Glc beta 1-1' ceramide (24:0/d 18:1). 相似文献
314.
The results of orchiectomy conducted by the abdominal and scrotum routes were compared in guinea pigs. The operation time, surgical complication and incision healing were evaluated. About operation time, there was no distinct difference between two routes. In the abdominal route, the prognosis of this case was favorable. Also the healing of an incised wound was uneventful one week after the operation. While in the scrotum route, the tunica albuginea testis and the visceral vaginal tunic are thin, so that the risks of injuring the testis and/or scattering the contents of testis seem to be high. Inflammation of the scrotum was observed in 4 out of 5 guinea pigs, that were operated by scrotum route. From these results, the abdominal route method is highly recommended in the orchiectomy of guinea pigs. 相似文献
315.
316.
Je-Young Ryu Antoni Siswanto Kenichi Harimoto Yoh-ichi Tagawa 《Transgenic research》2013,22(3):549-556
The pancreatic islet is an assembly of specific endocrine cells. There are many conflicting reports regarding whether the acinus develops from single or multiple progenitor cells. This study investigated the development and maintenance clonality of the pancreatic acinus and duct using a chimeric analysis with EGFP and DsRed2 transgenic mice. Chimeric mice (G-R mice) were obtained by the aggregation method, using 8-cell stage embryos from EGFP and DsRed2 transgenic mice. The islets from the G-R mice were chimeric and mosaic, consisting of either EGFP- or DsRed2-positive populations, as in previous reports. On the other hand, most acini developed from either EGFP or DsRed2 origin, but some were chimeric. Interestingly, these chimeric acini were clearly separated into two-color regions and were not mosaic. Some large intralobular pancreatic ducts consisting of more than 10 cells were found to be chimeric, but no small ducts made up of less than 9 cells were chimeric. Our histological observations suggest that the pancreatic acinus polyclonally and directionally is maintained by multiple progenitor cells. Pancreatic large ducts also seem to develop polyclonally and might result from the assembly of small ducts that develop from a single origin. These findings provide useful information for further understanding pancreatic maintenance. 相似文献
317.