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Monoclonal Antibodies in Immunodiagnosis and Immunotherapy

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https://www.readbyqxmd.com/read/28719245/production-of-a-mouse-monoclonal-antibody-against-mortalin-by-whole-cell-immunization
#1
Marzieh Rezaei, Abbas Ghaderi
Pancreatic carcinoma is the fourth leading cause of cancer death and is characterized by early invasion and metastasis. Advances in molecular biology directed new strategies in targeted therapy using monoclonal antibodies. To identify new biomarkers, we generated a panel of monoclonal antibodies against the newly established cell line, Faraz-ICR, from a patient with acinar cell carcinoma. After immunization of BALB/c female mice with Faraz-ICR cell line and fusion of splenocytes with SP2/0 myeloma cell line, high reactive hybridoma producing antibodies to Faraz-ICR were detected using enzyme-linked immunosorbent assay, immunofluorescence staining and flow cytometry...
July 18, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28704165/specific-monoclonal-antibody-against-bcr-abl-out-of-frame-alternative-proteins-as-diagnostic-tool-in-chronic-myelogenous-leukemia-patients
#2
Claudia Casnici, Katia Crotta, Gisella Volpe, Cristina Panuzzo, Donatella Lattuada, Giulia Mesiano, Giuseppe Saglio, Ornella Marelli
More recently, alternative splicing of specific genes are investigated for their therapeutic potential. In particular, we reported the existence of BCR-ABL alternative splicing isoforms, in about 80% of Philadelphia-positive patients, which lead to the expression of aberrant proteins. These fusion proteins are characterized by an orphan initial and correct Bcr portion attached to a 112 amino acid sequence, arising from the impairment in the reading frame (reading of ABL exon 4 and 5). We demonstrated that these Abl-out-of-frame (OOF) isoforms could have an immunological role with therapeutic implications...
July 13, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28700270/h2mab-77-is-a-sensitive-and-specific-anti-her2-monoclonal-antibody-against-breast-cancer
#3
Shunsuke Itai, Yuki Fujii, Mika K Kaneko, Shinji Yamada, Takuro Nakamura, Miyuki Yanaka, Noriko Saidoh, Yao-Wen Chang, Saori Handa, Maki Takahashi, Hiroyoshi Suzuki, Hiroyuki Harada, Yukinari Kato
Human epidermal growth factor receptor 2 (HER2) plays a critical role in the progression of breast cancers, and HER2 overexpression is associated with poor clinical outcomes. Trastuzumab is an anti-HER2 humanized antibody that leads to significant survival benefits in patients with HER2-positive metastatic breast cancers. In this study, we developed novel anti-HER2 monoclonal antibodies (mAbs) and characterized their efficacy in flow cytometry, Western blot, and immunohistochemical analyses. Initially, we expressed the full length or ectodomain of HER2 in LN229 glioblastoma cells and then immunized mice with ectodomain of HER2 or LN229/HER2, and performed the first screening by enzyme-linked immunosorbent assays using ectodomain of HER2...
July 12, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28665782/antipodocalyxin-antibody-chpcmab-47-exerts-antitumor-activity-in-mouse-xenograft-models-of-colorectal-adenocarcinomas
#4
Mika K Kaneko, Akiko Kunita, Shinji Yamada, Takuro Nakamura, Miyuki Yanaka, Noriko Saidoh, Yao-Wen Chang, Saori Handa, Satoshi Ogasawara, Tomokazu Ohishi, Shinji Abe, Shunsuke Itai, Hiroyuki Harada, Manabu Kawada, Yasuhiko Nishioka, Masashi Fukayama, Yukinari Kato
Podocalyxin (PODXL) is expressed in several cancers, including brain tumors and colorectal cancers. PODXL overexpression is an independent predictor of progression, metastasis, and poor outcome. We recently immunized mice with recombinant human PODXL, which was produced using LN229 glioblastoma cells, and produced a clone PcMab-47 that could be used for investigating PODXL expression by flow cytometry and immunohistochemical analysis. Herein, we produced a human-mouse chimeric PcMab-47 (chPcMab-47) and investigated its antitumor activity against PODXL-expressing tumors...
June 30, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28570826/specific-monoclonal-antibodies-recognizing-the-endogenous-chicken-high-mobility-group-box-1-protein
#5
Yurong Qu, Yuan Zhan, Shen Yang, Xusheng Qiu, Lei Tan, Yingjie Sun, Chunchun Meng, Cuiping Song, Shengqing Yu, Chan Ding
High mobility group box 1 (HMGB1) is a key member of the "danger associated molecular patterns" (DAMPs), which can localize in various compartments of the cell, and plays important roles in systemic inflammation. In the present study, monoclonal antibodies (MAbs) specifically against chicken HMGB1 were generated. The open reading frame of chicken HMGB1 was amplified by RT-PCR and cloned into the prokaryotic expression vector pET-28a to construct a recombinant plasmid pET-chHMGB1. The recombinant chicken HMGB1 protein was expressed in Escherichia coli Rosetta under IPTG induction and then purified by Ni-NTA Purification System...
June 1, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28636502/monoclonal-antibody-tx94-human-dnax-accessory-molecule-1-cd226
#6
(no author information available yet)
No abstract text is available yet for this article.
June 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28636501/monoclonal-antibodies-against-canine-distemper-virus
#7
(no author information available yet)
No abstract text is available yet for this article.
June 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28636500/the-association-of-rs1047763-and-rs1008898-of-c1galt1-with-iga-nephropathy-risk-a-global-meta-analysis
#8
Ruili Nie, Guixue Cheng, Jin Zhang, Yu Dong, Chen Wang, Jianhua Liu, Xiaosong Qin
IgA nephropathy (IgAN) is a globally common primary glomerulonephritis characterized by an elevated level of serum IgA and immune complex deposition in the mesangial area. In the serum of patients with IgAN, the hinge region of IgA1 immunoglobulin contains aberrantly glycosylated O-glycans deficient in galactose, which is normally added to the core 1 O-glycan structure by core 1 synthase, glycoprotein-N-acetylgalactosamine 3-beta-galactosyltransferase 1 (C1GALT1), the key enzyme in the process of glycosylation...
June 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28636499/monoclonal-antibody-against-toxocara-cati-second-stage-larvae
#9
(no author information available yet)
No abstract text is available yet for this article.
June 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28581365/fine-epitope-mapping-of-monoclonal-antibodies-to-the-dna-repair-protein-rada
#10
Melissa K Stuart, Deborah A Hudman, Stephanie N Nachtrab, Jacob L Hiatt, Jin Seo, Samuel J Pullen, Neil J Sargentini
Repair of DNA damage is vital to the health and survival of all organisms. In Escherichia coli, a protein known as RadA (or Sms) participates in recombinational repair, a process that uses an undamaged DNA strand in one DNA duplex to fill a gap in a homologous DNA strand in a sister DNA duplex. In a prior report, we described the production of monoclonal antibodies (MAbs) specific for RadA. Here, we investigated the epitopes recognized by two of the antibodies, MAbs 6F5 and 2A2. Premature stop codons (ochre mutations) were introduced into the radA gene at selected sites, and the truncated RadA proteins were probed by western blotting...
June 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28557609/myeloma-derived-light-chain-paired-with-a-diagnostic-monoclonal-antibody-hinders-immunoassay-performance
#11
Bailin Tu, Bryan Tieman, Jeffrey Moore, You Pan, A Scott Muerhoff
Monoclonal antibodies are widely used as the capture and detection reagents in diagnostic immunoassays. In the past, myeloma fusion partners expressing endogenous heavy and/or light chains were often used to generate hybridoma cell lines. As a result, mixed populations of antibodies were produced that can cause inaccurate test results, poor antibody stability, and significant lot-to-lot variability. We describe one such scenario where the P3U1 (P3X63Ag8U.1) myeloma fusion partner was used in the generation of a hybridoma producing protein induced vitamin K absence/antagonist-II (PIVKA II) antibody...
June 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28537481/investigation-of-methylenetetrahydrofolate-reductase-c677t-polymorphism-and-human-papilloma-virus-genotypes-in-iranian-breast-cancer
#12
Hanieh Rezaei, Hossein Rassi, Fahimeh Nemati Mansur
Breast cancer (BC) is the leading cause of death among Iranian women. Development of BC is a multistep process, arising from genetic changes such as methylenetetrahydrofolate reductase (MTHFR) polymorphism and infection with human papillomavirus (HPV). In this study, we investigated HPV genotypes associated with BCs and its relation with MTHFR C677T polymorphism for early detection of familial BCs. A total of 84 archival BC samples from Iran were collected. Verification of each cancer reported in a relative was sought through the pathology reports of the hospital records...
June 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28504613/chlpmab-23-cancer-specific-human-mouse-chimeric-anti-podoplanin-antibody-exhibits-antitumor-activity-via-antibody-dependent-cellular-cytotoxicity
#13
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...
June 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28498096/characterization-of-the-anti-bovine-podoplanin-monoclonal-antibody-pmab-44
#14
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...
June 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28498033/development-and-characterization-of-novel-monoclonal-antibodies-against-human-dnam-1
#15
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...
June 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28472594/development-and-characterization-of-canine-distemper-virus-monoclonal-antibodies
#16
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...
June 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
#17
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
#18
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
#19
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
#20
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
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