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Monoclonal Antibodies in Immunodiagnosis and Immunotherapy

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https://www.readbyqxmd.com/read/28504613/chlpmab-23-cancer-specific-human-mouse-chimeric-anti-podoplanin-antibody-exhibits-antitumor-activity-via-antibody-dependent-cellular-cytotoxicity
#1
Mika K Kaneko, Takuro Nakamura, Akiko Kunita, Masashi Fukayama, Shinji Abe, Yasuhiko Nishioka, Shinji Yamada, Miyuki Yanaka, Noriko Saidoh, Kanae Yoshida, Yuki Fujii, Satoshi Ogasawara, Yukinari Kato
Podoplanin is expressed in many cancers, including oral cancers and brain tumors. The interaction between podoplanin and its receptor C-type lectin-like receptor 2 (CLEC-2) has been reported to be involved in cancer metastasis and tumor malignancy. We previously established many monoclonal antibodies (mAbs) against human podoplanin using the cancer-specific mAb (CasMab) technology. LpMab-23 (IgG1, kappa), one of the mouse anti-podoplanin mAbs, was shown to be a CasMab. However, we have not shown the usefulness of LpMab-23 for antibody therapy against podoplanin-expressing cancers...
May 15, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28498096/characterization-of-the-anti-bovine-podoplanin-monoclonal-antibody-pmab-44
#2
Shinji Yamada, Ryusuke Honma, Mika K Kaneko, Takuro Nakamura, Miyuki Yanaka, Noriko Saidoh, Michiaki Takagi, Satoru Konnai, Yukinari Kato
A type I transmembrane sialoglycoprotein podoplanin (PDPN) is expressed in several normal cells, including podocytes of the kidney, type I alveolar cells of the lung, and lymphatic endothelial cells. We recently produced an anti-bovine PDPN (bovPDPN) monoclonal antibody (mAb), PMab-44, by immunizing mice with recombinant proteins of bovPDPN. In this study, we determined the critical epitope of PMab-44 for the recognition of bovPDPN using many deletion mutants and point mutants of bovPDPN. Flow cytometric analyses revealed that the epitope of PMab-44 was Glu46-Thr50, which corresponds to platelet aggregation-stimulating (PLAG) domain-3...
May 12, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28498033/development-and-characterization-of-novel-monoclonal-antibodies-against-human-dnam-1
#3
Genki Okumura, Fumie Abe, Rei Hirochika, Akira Shibuya, Kazuko Shibuya
DNAM-1 (CD226) is an activating immunoreceptor expressed on lymphocytes and myeloid cells. CD155 and CD112 are the ligands for DNAM-1. DNAM-1 plays an important role in tumor immunity mediated by CD8(+) T cells and NK cells. Moreover, the interaction of DNAM-1 with the ligands contributed to the development of acute graft versus host disease (GVHD) and treatment with anti-DNAM-1 monoclonal antibodies (mAb) dramatically improved acute GVHD in a mouse model, suggesting that DNAM-1 may be a good molecular target for therapy to acute GVHD in human...
May 12, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28472594/development-and-characterization-of-canine-distemper-virus-monoclonal-antibodies
#4
Yuxiu Liu, Liying Hao, Xiangdong Li, Linxiao Wang, Jianpo Zhang, Junhua Deng, Kegong Tian
Five canine distemper virus monoclonal antibodies were developed by immunizing BALB/c mice with a traditional vaccine strain Snyder Hill. Among these monoclonal antibodies, four antibodies recognized both field and vaccine strains of canine distemper virus without neutralizing ability. One monoclonal antibody, 1A4, against hemagglutinin protein of canine distemper virus was found to react only with vaccine strain virus but not field isolates, and showed neutralizing activity to vaccine strain virus. These monoclonal antibodies could be very useful tools in the study of the pathogenesis of canine distemper virus and the development of diagnostic reagents...
May 4, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28409695/characterization-of-a-monoclonal-antibody-specific-for-the-growth-hormone-secretagogue-receptor
#5
Katia Crotta, Claudia Casnici, Noemi Tonna, Donatella Lattuada, Fabio Bianco, Ornella Marelli
Ghrelin is an orexigenic peptide hormone that primarily regulates growth hormone secretion, food intake, and energy homeostasis. It has been shown to also play a role in numerous higher brain functions, such as the regulation of inflammation and cell proliferation. Ghrelin is the endogenous ligand of the growth hormone secretagogue receptor (GHSR), a G-protein-coupled receptor highly expressed in brain and detectable in some peripheral tissues. The wide distribution of ghrelin receptor and the number of tissues and cell types known to respond to ghrelin suggest that a number of systems may be affected by treatment with this hormone or its analogues...
April 14, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28409665/monoclonal-antibody-against-premembrane-viral-protein-of-avian-tembusu-virus
#6
Xiaozhi Huang, Tingting Shi, Kaikun Mo, Dandan Wang, Xing Peng, Min Liao, Jiyong Zhou
Premembrane (prM) is a viral protein of flavivirus, which is important for the generation of infectious virion and for virus infection to the host. However, the biological properties and function of the prM of Avian Tembusu virus (ATMUV) have scarcely been studied to date. Monoclonal antibodies (mAbs) are a powerful tool for functional analysis of viral protein. To produce a mAb against prM protein of ATMUV, the prM gene sequence was amplified by reverse transcription polymerase chain reaction (RT-PCR) and cloned into the prokaryotic expression vector pET-28a (+)...
April 14, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28402743/generation-and-application-of-monoclonal-antibody-against-lycopene
#7
Valeriy V Tsibezov, Yuriy K Bashmakov, Dmitry V Pristenskiy, Naylia A Zigangirova, Ludmila V Kostina, Natalya E Chalyk, Alexey Y Kozlov, Elena Y Morgunova, Marina P Chernyshova, Marina V Lozbiakova, Nigel H Kyle, Ivan M Petyaev
A monoclonal antibody (Mab) against lycopene was developed from hybridoma clones obtained from BALB/c mice immunized with trans-isomer of lycopene (t-lycopene, t-LC) conjugated with colloidal gold particles. An alternating immunization schedule which included injection of both formulations of immunogen (without and with Freund's adjuvant) was most effective in the elucidation of a measurable immune response to the t-Lycopene conjugate. Selected hybridoma clones were able to produce an Mab positive in competition assay...
April 12, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28387612/development-of-mpmab-1-a-mouse-rat-chimeric-antibody-against-mouse-podoplanin
#8
Shinji Yamada, Mika K Kaneko, Takuro Nakamura, Osamu Ichii, Satoru Konnai, Yukinari Kato
Podoplanin (PDPN), the ligand of C-type lectin-like receptor-2, is used as a lymphatic endothelial marker. We previously established clone PMab-1 of rat IgG2a as a specific monoclonal antibody (mAb) against mouse PDPN. PMab-1 is also very sensitive in immunohistochemical analysis; however, rat mAbs seem to be unfavorable for pathologists because anti-mouse IgG and anti-rabbit IgG are usually used as secondary antibodies in commercially available kits for immunohistochemical analysis. In this study, we develop a mouse-rat chimeric antibody, mPMab-1 of mouse IgG2a, which was derived from rat PMab-1 mAb...
April 7, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28387591/lpmab-23-a-cancer-specific-monoclonal-antibody-against-human-podoplanin
#9
Shinji Yamada, Satoshi Ogasawara, Mika K Kaneko, Yukinari Kato
Human podoplanin (hPDPN), the ligand of C-type lectin-like receptor-2, is involved in cancer metastasis. Until now, many monoclonal antibodies (mAbs) have been established against hPDPN. However, it is still difficult to develop a cancer-specific mAb (CasMab) against hPDPN because the protein sequence of hPDPN expressed in cancer cells is the same as that in normal cells. Herein, we report LpMab-23 of the mouse IgG1 subclass, a novel CasMab against hPDPN. In an immunohistochemical analysis, LpMab-23 reacted with tumor cells of human oral cancer, but did not react with normal cells such as lymphatic endothelial cells (LECs)...
April 7, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28430080/generation-and-characterization-of-inhibitory-antibodies-specific-to-guinea-pig-cxcr1-and-cxcr2
#10
Kento Tanaka, Chigusa Yoshimura, Tetsuo Shiina, Tomoko Terauchi, Tomomi Yoshitomi, Kazuki Hirahara
CXCR1 and CXCR2 are chemokine receptors that have different selectivity of chemokine ligands, but the distinct role of each receptor is not clearly understood. This is due to the absence of specific inhibitors in guinea pigs, which are the appropriate species for investigation of CXCR1 and CXCR2 because of their functional similarity to humans. In this study, we generated and evaluated monoclonal antibodies that specifically bound to guinea pig CXCR1 (gpCXCR1) and guinea pig CXCR2 (gpCXCR2) for acquisition of specific inhibitors...
April 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28430079/monoclonal-antibody-abcr1-against-guinea-pig-cxcr1-and-monoclonal-antibody-abcr2-against-guinea-pig-cxcr2
#11
(no author information available yet)
No abstract text is available yet for this article.
April 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28430078/monoclonal-antibody-5c9h2-against-human-ghrelin-receptor
#12
(no author information available yet)
No abstract text is available yet for this article.
April 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28384052/pcmab-47-novel-antihuman-podocalyxin-monoclonal-antibody-for-immunohistochemistry
#13
Satoshi Ogasawara, Mika K Kaneko, Shinji Yamada, Ryusuke Honma, Takuro Nakamura, Noriko Saidoh, Miyuki Yanaka, Kanae Yoshida, Yuki Fujii, Yukinari Kato
Podocalyxin (PODXL) is a CD34-related sialomucin and a well-known marker of embryonic stem cells. PODXL is expressed in many types of tumors including colorectal cancers, breast cancers, and brain tumors. Overexpression of PODXL is an independent predictor of progression, metastasis, and poor outcome. PODXL is also expressed in many normal cells such as renal podocytes and endothelial cells (ECs). However, high-sensitive and high-specific anti-PODXL monoclonal antibodies (mAbs) have not been established. Herein, we immunized mice with recombinant human PODXL, which was produced using LN229 glioblastoma cells...
April 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28339303/development-of-rap-tag-a-novel-tagging-system-for-protein-detection-and-purification
#14
Yuki Fujii, Mika K Kaneko, Satoshi Ogasawara, Shinji Yamada, Miyuki Yanaka, Takuro Nakamura, Noriko Saidoh, Kanae Yoshida, Ryusuke Honma, Yukinari Kato
Affinity tag systems, possessing high affinity and specificity, are useful for protein detection and purification. The most suitable tag for a particular purpose should be selected from many available affinity tag systems. In this study, we developed a novel affinity tag called the "RAP tag" system, which comprises a mouse antirat podoplanin monoclonal antibody (clone PMab-2) and the RAP tag (DMVNPGLEDRIE). This system is useful not only for protein detection in Western blotting, flow cytometry, and sandwich enzyme-linked immunosorbent assay, but also for protein purification...
April 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28234558/preparation-and-characterization-of-a-novel-monoclonal-antibody-against-the-extracellular-domain-of-human-transferrin-receptor
#15
Xiaorui Li, Ling Yang, Yue Yang, Ming Shao, Yu Liu
Human transferrin receptor (hTfR1), a type II homodimeric transmembrane protein, is extensively expressed at low levels in most normal human tissues. However, the expression level of hTfR1 in some tumor tissues and the blood-brain barrier (BBB) is comparatively higher. Therefore, we developed an hTfR1 monoclonal antibody 2C9, which may be utilized to deliver drugs across the BBB through receptor-mediated endocytosis in the future. 2C9 was obtained by hybridoma cells fused by the SP2/0-Ag14 cell line and splenic B cells from hTfR1-immunized BALB/c mice...
February 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28234557/a-novel-monoclonal-antibody-against-alpha-methylacyl-coa-racemase-applicable-for-paraffin-embedded-tissues-and-diagnostics-of-prostate-cancer
#16
Olga V Kovaleva, Daria V Samoilova, Maria S Shitova, Nina A Oleinikova, Natalia V Danilova, Pavel G Malkov, Alexei Gratchev
AMACR (alpha-methylacyl-CoA racemase) has been recently described as a prostate cancer-specific gene that encodes a protein involved in the beta-oxidation of branched chain fatty acids. Expression of AMACR protein is found in prostatic adenocarcinoma, but not in benign prostatic tissue. Thus, monoclonal antibodies (mAbs) for AMACR detection are an important tool for the diagnosis of AMACR-positive cancers. However, only a few mAbs, especially those applicable for immunohistochemistry (IHC), have been established to date...
February 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28234556/antiglycopeptide-mouse-monoclonal-antibody-lpmab-21-exerts-antitumor-activity-against-human-podoplanin-through-antibody-dependent-cellular-cytotoxicity-and-complement-dependent-cytotoxicity
#17
Yukinari Kato, Akiko Kunita, Masashi Fukayama, Shinji Abe, Yasuhiko Nishioka, Hiroaki Uchida, Hideaki Tahara, Shinji Yamada, Miyuki Yanaka, Takuro Nakamura, Noriko Saidoh, Kanae Yoshida, Yuki Fujii, Ryusuke Honma, Michiaki Takagi, Satoshi Ogasawara, Takeshi Murata, Mika K Kaneko
The interaction between podoplanin (PDPN) and C-type lectin-like receptor 2 (CLEC-2) is involved in tumor malignancy. We have established many monoclonal antibodies (mAbs) against human podoplanin using the cancer-specific mAb (CasMab) technology. LpMab-21, one of the mouse antipodoplanin mAbs, is of the IgG2a subclass, and its minimum epitope was determined to be Thr76-Arg79 of the human podoplanin. Importantly, sialic acid is linked to Thr76; therefore, LpMab-21 is an antiglycopeptide mAb (GpMab). In this study, we investigated whether LpMab-21 shows antibody-dependent cellular cytotoxicity (ADCC) and complement-dependent cytotoxicity (CDC) against human podoplanin-expressing cancer cell lines in vitro and also studied its antitumor activities using a xenograft model...
February 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28234555/monoclonal-antibody-4e3-2f7-antimouse-dermokine-%C3%AE-%C3%AE
#18
(no author information available yet)
No abstract text is available yet for this article.
February 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28234554/monoclonal-antibody-tfr-monoclonal-antibody
#19
(no author information available yet)
No abstract text is available yet for this article.
February 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28186437/application-of-monoclonal-antibodies-against-mouse-dermokine
#20
Kiyoshi Higashi, Cai-Xia Wang, Chikako Yokoyama, Keita Yamada, Koichi Saito, Taro Tachibana
Dermokine is one of the most highly expressed proteins in differentiating keratinocytes. Mouse dermokine has been reported to be encoded by 22 exons, and its expression leads to three transcripts, β, γ, and α, which are transcribed from two different transcriptional start sites. The α isoform represents the carboxyl-terminal domain of the β isoform, whereas the γ isoform lacks this domain. To reveal the distributions and expression levels of each isoform in mice, we generated rat monoclonal antibodies against dermokine-β/γ and dermokine-β/α...
February 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
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