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Sapozhnikova KA, Misyurin VA, Ryazantsev DY, Kokin EA, Finashutina YP, Alexeeva AV, Ivanov IA, Kocharovskaya MV, Tikhonova NA, Popova GP, Alferova VA, Ustinov AV, Korshun VA, Brylev VA. Sensitive Immunofluorescent Detection of the PRAME Antigen Using a Practical Antibody Conjugation Approach. Int J Mol Sci 2021; 22:12845. [PMID: 34884647 PMCID: PMC8657778 DOI: 10.3390/ijms222312845] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 11/21/2021] [Accepted: 11/25/2021] [Indexed: 11/17/2022] Open
Abstract
Bioconjugation of antibodies with various payloads has diverse applications across various fields, including drug delivery and targeted imaging techniques. Fluorescent immunoconjugates provide a promising tool for cancer diagnostics due to their high brightness, specificity, stability and target affinity. Fluorescent antibodies are widely used in flow cytometry for fast and sensitive identification and collection of cells expressing the target surface antigen. Nonetheless, current approaches to fluorescent labeling of antibodies most often use random modification, along with a few rather sophisticated site-specific techniques. The aim of our work was to develop a procedure for fluorescent labeling of immunoglobulin G via periodate oxidation of antibody glycans, followed by oxime ligation with fluorescent oxyamines. Here, we report a novel technique based on an in situ oxime ligation of ethoxyethylidene-protected aminooxy compounds with oxidized antibody glycans. The approach is suitable for easy modification of any immunoglobulin G, while ensuring that antigen-binding domains remain intact, thus revealing various possibilities for fluorescent probe design. The technique was used to label an antibody to PRAME, a cancer-testis protein overexpressed in a number of cancers. A 6H8 monoclonal antibody to the PRAME protein was directly modified with protected-oxyamine derivatives of fluorescein-type dyes (FAM, Alexa488, BDP-FL); the stoichiometry of the resulting conjugates was characterized spectroscopically. The immunofluorescent conjugates obtained were applied to the analysis of bone marrow samples from patients with oncohematological diseases and demonstrated high efficiency in flow cytometry quantification. The approach can be applied for the development of various immunofluorescent probes for detection of diagnostic and prognostic markers, which can be useful in anticancer therapy.
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MESH Headings
- Antibodies, Monoclonal/chemistry
- Antibodies, Monoclonal/immunology
- Antigens, Neoplasm/analysis
- Antigens, Neoplasm/immunology
- Bone Marrow/immunology
- Bone Marrow/metabolism
- Bone Marrow/pathology
- Cell Line, Tumor
- Fluorescent Antibody Technique/methods
- Fluorescent Dyes/chemistry
- Humans
- Immunoconjugates/chemistry
- Immunoconjugates/immunology
- Immunoconjugates/metabolism
- Leukemia, Myeloid, Acute/diagnosis
- Leukemia, Myeloid, Acute/immunology
- Leukemia, Myeloid, Acute/metabolism
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Affiliation(s)
- Ksenia A. Sapozhnikova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, 117997 Moscow, Russia; (K.A.S.); (D.Y.R.); (E.A.K.); (I.A.I.); (M.V.K.); (G.P.P.); (V.A.A.); (A.V.U.)
| | - Vsevolod A. Misyurin
- N.N. Blokhin National Medical Research Center of Oncology, Kashirskoye Highway 23, 115478 Moscow, Russia; (V.A.M.); (Y.P.F.)
| | - Dmitry Y. Ryazantsev
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, 117997 Moscow, Russia; (K.A.S.); (D.Y.R.); (E.A.K.); (I.A.I.); (M.V.K.); (G.P.P.); (V.A.A.); (A.V.U.)
| | - Egor A. Kokin
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, 117997 Moscow, Russia; (K.A.S.); (D.Y.R.); (E.A.K.); (I.A.I.); (M.V.K.); (G.P.P.); (V.A.A.); (A.V.U.)
| | - Yulia P. Finashutina
- N.N. Blokhin National Medical Research Center of Oncology, Kashirskoye Highway 23, 115478 Moscow, Russia; (V.A.M.); (Y.P.F.)
| | - Anastasiya V. Alexeeva
- Faculty of General Medicine, Pirogov Russian National Research Medical University, Ostrovityanova 1, 117992 Moscow, Russia;
| | - Igor A. Ivanov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, 117997 Moscow, Russia; (K.A.S.); (D.Y.R.); (E.A.K.); (I.A.I.); (M.V.K.); (G.P.P.); (V.A.A.); (A.V.U.)
| | - Milita V. Kocharovskaya
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, 117997 Moscow, Russia; (K.A.S.); (D.Y.R.); (E.A.K.); (I.A.I.); (M.V.K.); (G.P.P.); (V.A.A.); (A.V.U.)
- Moscow Institute of Physics and Technology, Institutsky Lane 9, 141700 Dolgoprudny, Russia
| | | | - Galina P. Popova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, 117997 Moscow, Russia; (K.A.S.); (D.Y.R.); (E.A.K.); (I.A.I.); (M.V.K.); (G.P.P.); (V.A.A.); (A.V.U.)
| | - Vera A. Alferova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, 117997 Moscow, Russia; (K.A.S.); (D.Y.R.); (E.A.K.); (I.A.I.); (M.V.K.); (G.P.P.); (V.A.A.); (A.V.U.)
- Gause Institute of New Antibiotics, B. Pirogovskaya 11, 119021 Moscow, Russia
| | - Alexey V. Ustinov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, 117997 Moscow, Russia; (K.A.S.); (D.Y.R.); (E.A.K.); (I.A.I.); (M.V.K.); (G.P.P.); (V.A.A.); (A.V.U.)
| | - Vladimir A. Korshun
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, 117997 Moscow, Russia; (K.A.S.); (D.Y.R.); (E.A.K.); (I.A.I.); (M.V.K.); (G.P.P.); (V.A.A.); (A.V.U.)
| | - Vladimir A. Brylev
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, 117997 Moscow, Russia; (K.A.S.); (D.Y.R.); (E.A.K.); (I.A.I.); (M.V.K.); (G.P.P.); (V.A.A.); (A.V.U.)
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Gradecki SE, Slingluff CL, Gru AA. PRAME expression in 155 cases of metastatic melanoma. J Cutan Pathol 2020; 48:479-485. [PMID: 32939793 DOI: 10.1111/cup.13876] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 09/11/2020] [Accepted: 09/12/2020] [Indexed: 01/02/2023]
Abstract
BACKGROUND PRAME (preferentially expressed antigen in melanoma) is a promising immunohistochemical marker in distinguishing benign from malignant primary cutaneous melanocytic lesions and lymph node deposits. We hypothesize that PRAME may also reliably identify melanoma metastases that are clinically detected in skin, lymph nodes, or small intestine. METHODS A total of 155 cases of metastatic melanoma to lymph node (N = 54) and non-lymph node (N = 101) sites were stained with an antibody against PRAME. Nuclear expression was scored in tumor cells as negative, 1% to 25% (1+), 26% to 50% (2+), 51% to 75% (3+), or 76% to 100% (4+). RESULTS PRAME expression was seen in 151/155 (97.4%) cases, with 4+ expression in 64 cases (41.3%), 3+ expression in 46 cases (29.7%), 2+ expression in 18 cases (11.6%), and 1+ expression in 23 cases (14.8%). Lymph node metastases were more likely to show lower expression as compared to metastases to other anatomic sites (P = 0.003). CONCLUSIONS A high level of PRAME immunoreactivity was identified in this cohort of metastatic melanoma. Lymph node metastases showed more focal or absent PRAME expression as compared to metastases to other sites. Overall, PRAME is a useful tool for confirming the diagnosis of melanoma in a metastatic setting, in both nodal and visceral deposits.
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Affiliation(s)
- Sarah E Gradecki
- Department of Pathology, University of Virginia, Charlottesville, Virginia, USA
| | - Craig L Slingluff
- Department of Surgery, Division of Surgical Oncology, University of Virginia, Charlottesville, Virginia, USA
| | - Alejandro A Gru
- Department of Pathology, University of Virginia, Charlottesville, Virginia, USA
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Atala A. Re: Stable Inhibitory Activity of Regulatory T Cells Requires the Transcription Factor Helios. J Urol 2016; 196:617-8. [PMID: 27479438 DOI: 10.1016/j.juro.2016.05.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/04/2016] [Indexed: 10/21/2022]
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Dannenmann SR, Hermanns T, Bransi A, Matter C, von Boehmer L, Stevanovic S, Schraml P, Moch H, Knuth A, van den Broek M. Spontaneous peripheral T-cell responses toward the tumor-associated antigen cyclin D1 in patients with clear cell renal cell carcinoma. Cancer Immunol Res 2013; 1:288-95. [PMID: 24777966 DOI: 10.1158/2326-6066.cir-13-0113] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Renal cell carcinoma (RCC) is a heterogeneous group of kidney cancers with clear cell RCC (ccRCC) as the major subgroup. To expand the number of clinically relevant tumor-associated antigens (TAA) that can be targeted by immunotherapy, we analyzed samples from 23 patients with primary ccRCC for the expression and immunogenicity of various TAAs. We found high-frequency expression of MAGE-A9 and NY-ESO-1 in 36% and 55% of samples, respectively, and overexpression of PRAME, RAGE-1, CA-IX, Cyclin D1, ADFP, C-MET, and RGS-5 in many of the tumor samples. We analyzed the blood of patients with HLA-A2(+) ccRCC for the presence of CD8(+) T cells specific for TAA-derived HLA-A2-restricted peptides and found spontaneous responses to cyclin D1 in 5 of 6 patients with Cyclin D1-positive tumors. Cyclin D1-specific CD8(+) T cells secreted TNF-α, IFN-γ, and interleukin-2 (IL-2), and degranulated, indicating the presence of polyfunctional tumor-specific CD8(+) T cells in the blood of these patients with ccRCC. The high frequency (43%) of Cyclin D1 overexpression and the presence of functional cyclin D1-specific T cells in 83% of these patients with ccRCC suggest that cyclin D1 may be a target for immunotherapeutic strategies.
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Affiliation(s)
- Stefanie R Dannenmann
- Authors' Affiliations: Departments of Department of Immunology, Interfaculty Institute for Cell Biology, University of Tubingen, Tubingen, Germany
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Brenne K, Nymoen DA, Reich R, Davidson B. PRAME (preferentially expressed antigen of melanoma) is a novel marker for differentiating serous carcinoma from malignant mesothelioma. Am J Clin Pathol 2012; 137:240-7. [PMID: 22261449 DOI: 10.1309/ajcpga95kvsaudmf] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
Abstract
The PRAME (preferentially expressed antigen of melanoma) gene was previously shown to be overexpressed in ovarian/primary peritoneal serous carcinoma compared with malignant mesothelioma using gene expression arrays. The objective of this study was to validate this finding at the messenger RNA (mRNA) and protein levels. Quantitative real-time polymerase chain reaction analysis of 126 müllerian carcinomas and 23 malignant mesotheliomas showed significantly higher PRAME mRNA expression in the former tumor (P < .001; test sensitivity and specificity, 89% and 91%, respectively). PRAME protein was expressed in 41 of 50 müllerian carcinomas and 0 of 30 mesotheliomas using Western blotting (P < .001; test sensitivity and specificity, 82% and 100%, respectively). PRAME levels in müllerian carcinoma were unrelated to survival; however, PRAME protein expression was up-regulated in solid metastases compared with primary carcinoma and effusions (P < .001). Our data confirm that PRAME effectively differentiates müllerian carcinoma from malignant mesothelioma at the mRNA and protein levels, suggesting a role in the diagnostic workup of serosal cancers.
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Amir AL, van der Steen DM, van Loenen MM, Hagedoorn RS, de Boer R, Kester MDG, de Ru AH, Lugthart GJ, van Kooten C, Hiemstra PS, Jedema I, Griffioen M, van Veelen PA, Falkenburg JHF, Heemskerk MHM. PRAME-specific Allo-HLA-restricted T cells with potent antitumor reactivity useful for therapeutic T-cell receptor gene transfer. Clin Cancer Res 2011; 17:5615-25. [PMID: 21771875 DOI: 10.1158/1078-0432.ccr-11-1066] [Citation(s) in RCA: 89] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE In human leukocyte antigen (HLA)-matched stem cell transplantation (SCT), it has been shown that beneficial immune response mediating graft-versus-tumor (GVT) responses can be separated from graft-versus-host disease (GVHD) immune responses. In this study, we investigated whether it would be possible to dissect the beneficial immune response of allo-HLA-reactive T cells with potent antitumor reactivity from GVHD-inducing T cells present in the detrimental immune response after HLA-mismatched SCT. EXPERIMENTAL DESIGN The presence of specific tumor-reactive T cells in the allo-HLA repertoire was analyzed at the time of severe GVHD after HLA-mismatched SCT, using tetramers composed of different tumor-associated antigens (TAA). RESULTS High-avidity allo-HLA-restricted T cells specific for the TAA preferentially expressed antigen on melanomas (PRAME) were identified that exerted highly single-peptide-specific reactivity. The T cells recognized multiple different tumor cell lines and leukemic cells, whereas no reactivity against a large panel of nonmalignant cells was observed. These T cells, however, also exerted low reactivity against mature dendritic cells (DC) and kidney epithelial cells, which was shown to be because of low PRAME expression. CONCLUSIONS On the basis of potential beneficial specificity and high reactivity, the T-cell receptors of these PRAME-specific T cells may be effective tools for adoptive T-cell therapy. Clinical studies have to determine the significance of the reactivity observed against mature DCs and kidney epithelial cells.
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Affiliation(s)
- Avital L Amir
- Department of Hematology, Leiden University Medical Center, Leiden, The Netherlands
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Pastorekova S, Parkkila S, Zavada J. Tumor-associated carbonic anhydrases and their clinical significance. Adv Clin Chem 2006. [PMID: 17131627 DOI: 10.1016/s0065-2423(06)42005-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Carbonic anhydrases (CAs) are physiologically important enzymes that catalyze a reversible conversion of carbon dioxide to bicarbonate and participate in ion transport and pH control. Two human isoenzymes, CA IX and CA XII, are overexpressed in cancer and contribute to tumor physiology. Particularly CA IX is confined to only few normal tissues but is ectopically induced in many tumor types mainly due to its strong transcriptional activation by hypoxia accomplished via HIF-1 transcription factor. Therefore, CA IX can serve as a surrogate marker of hypoxia and a prognostic indicator. CA IX appears implicated in cell adhesion and in balance of pH disturbances caused by tumor metabolism. Both tumor-related expression pattern and functional involvement in tumor progression make it a suitable target for anticancer treatment. Here we summarize a current knowledge on CA IX and CA XII, and discuss possibilities of their exploitation for cancer detection, diagnostics, and therapy.
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Affiliation(s)
- Silvia Pastorekova
- Centre of Molecular Medicine, Institute of Virology, Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovak Republic.
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