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Mairaville C, Broyon M, Maurel M, Chentouf M, Chiavarina B, Turtoi A, Pirot N, Martineau P. Identification of monoclonal antibodies from naive antibody phage-display libraries for protein detection in formalin-fixed paraffin-embedded tissues. J Immunol Methods 2024; 532:113730. [PMID: 39059744 DOI: 10.1016/j.jim.2024.113730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 07/05/2024] [Accepted: 07/23/2024] [Indexed: 07/28/2024]
Abstract
Most antibodies used in immunohistochemistry (IHC) have been developed by animal immunization. We wanted to explore naive antibody repertoires displayed on filamentous phages as a source of full-length antibodies for IHC on Formalin-Fixed and Paraffin-Embedded (FFPE) tissues. We used two isogenic mouse fibroblast cell lines that express or not human HER2 to generate positive and negative FFPE pseudo-tissue respectively. Using these pseudo-tissues and previously described approaches based on differential panning, we isolated very efficient antibody clones, but not against HER2. To optimize HER2 targeting and tissue specificity, we first performed 3-4 rounds of in vitro panning using recombinant HER2 extracellular domain (ECD) to enrich the phage library in HER2 binders, followed by one panning round using the two FFPE pseudo-tissues to retain binders for IHC conditions. We then analyzed the bound phages using next-generation sequencing to identify antibody sequences specifically associated with the HER2-positive pseudo-tissue. Using this approach, the top-ranked clone identified by sequencing was specific to the HER2-positive pseudo-tissue and showed a staining pattern similar to that of the antibody used for the clinical diagnosis of HER2-positive breast cancer. However, we could not optimize staining on other tissues, showing that specificity was restricted to the tissue used for selection and screening. Therefore, future optimized protocols must consider tissue diversity early during the selection by panning using a wide collection of tissue types.
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Affiliation(s)
| | - Morgane Broyon
- BCM, Univ. Montpellier, CNRS, INSERM, Montpellier, France
| | - Margaux Maurel
- IRCM, Univ. Montpellier, ICM, INSERM, Montpellier, France
| | | | | | - Andrei Turtoi
- IRCM, Univ. Montpellier, ICM, INSERM, Montpellier, France
| | - Nelly Pirot
- IRCM, Univ. Montpellier, ICM, INSERM, Montpellier, France; BCM, Univ. Montpellier, CNRS, INSERM, Montpellier, France
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Antibody Identification for Antigen Detection in Formalin-Fixed Paraffin-Embedded Tissue Using Phage Display and Naïve Libraries. Antibodies (Basel) 2021; 10:antib10010004. [PMID: 33466676 PMCID: PMC7839037 DOI: 10.3390/antib10010004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 12/15/2020] [Accepted: 01/07/2021] [Indexed: 02/07/2023] Open
Abstract
Immunohistochemistry is a widely used technique for research and diagnostic purposes that relies on the recognition by antibodies of antigens expressed in tissues. However, tissue processing and particularly formalin fixation affect the conformation of these antigens through the formation of methylene bridges. Although antigen retrieval techniques can partially restore antigen immunoreactivity, it is difficult to identify antibodies that can recognize their target especially in formalin-fixed paraffin-embedded tissues. Most of the antibodies currently used in immunohistochemistry have been obtained by animal immunization; however, in vitro display techniques represent alternative strategies that have not been fully explored yet. This review provides an overview of phage display-based antibody selections using naïve antibody libraries on various supports (fixed cells, dissociated tissues, tissue fragments, and tissue sections) that have led to the identification of antibodies suitable for immunohistochemistry.
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Dhar P, Samarasinghe RM, Shigdar S. Antibodies, Nanobodies, or Aptamers-Which Is Best for Deciphering the Proteomes of Non-Model Species? Int J Mol Sci 2020; 21:E2485. [PMID: 32260091 PMCID: PMC7177290 DOI: 10.3390/ijms21072485] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 03/30/2020] [Accepted: 03/30/2020] [Indexed: 12/16/2022] Open
Abstract
This planet is home to countless species, some more well-known than the others. While we have developed many techniques to be able to interrogate some of the "omics", proteomics is becoming recognized as a very important part of the puzzle, given how important the protein is as a functional part of the cell. Within human health, the proteome is fairly well-established, with numerous reagents being available to decipher cellular pathways. Recent research advancements have assisted in characterizing the proteomes of some model (non-human) species, however, in many other species, we are only just touching the surface. This review considers three main reagent classes-antibodies, aptamers, and nanobodies-as a means of continuing to investigate the proteomes of non-model species without the complications of understanding the full protein signature of a species. Considerations of ease of production, potential applications, and the necessity for producing a new reagent depending on homology are presented.
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Affiliation(s)
- Poshmaal Dhar
- School of Medicine, Deakin University, 75 Pigdons Road, Waurn Ponds, Victoria 3216, Australia; (P.D.); (R.M.S.)
- Centre for Molecular and Medical Research, Deakin University, 75 Pigdons Road, Waurn Ponds, Victoria 3216, Australia
| | - Rasika M. Samarasinghe
- School of Medicine, Deakin University, 75 Pigdons Road, Waurn Ponds, Victoria 3216, Australia; (P.D.); (R.M.S.)
- Centre for Molecular and Medical Research, Deakin University, 75 Pigdons Road, Waurn Ponds, Victoria 3216, Australia
| | - Sarah Shigdar
- School of Medicine, Deakin University, 75 Pigdons Road, Waurn Ponds, Victoria 3216, Australia; (P.D.); (R.M.S.)
- Centre for Molecular and Medical Research, Deakin University, 75 Pigdons Road, Waurn Ponds, Victoria 3216, Australia
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Kumar R, Parray HA, Shrivastava T, Sinha S, Luthra K. Phage display antibody libraries: A robust approach for generation of recombinant human monoclonal antibodies. Int J Biol Macromol 2019; 135:907-918. [PMID: 31170490 DOI: 10.1016/j.ijbiomac.2019.06.006] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 06/02/2019] [Accepted: 06/02/2019] [Indexed: 12/29/2022]
Abstract
Monoclonal antibodies (mAbs) and their derivatives have achieved remarkable success as medicine, targeting both diagnostic and therapeutic applications associated with communicable and non-communicable diseases. In the last 3 to 4 decades, tremendous success has been manifested in the field of cancer therapy, autoimmune diseases, cardiovascular and infectious diseases. MAbs are the fastest growing class of biopharmaceuticals, with more than 25 derivatives are in clinical use and 7 of these have been isolated through phage display technology. Phage display technology has gained impetus in the field of medical and health sciences, as a large repertoire of diverse recombinant antibodies, targeting various antigens have been generated in a short span of time. A prominent number of phage display derived antibodies are already approved for therapy and significant numbers are currently in clinical trials. In this review we have discussed the various strategies employed for generation of monoclonal antibodies; their advantages, limitations and potential therapeutic applications. We also discuss the potential of phage display antibody libraries in isolation of monoclonal antibodies.
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Affiliation(s)
- Rajesh Kumar
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India; Translational Health Science & Technology Institute, NCR Biotech Science Cluster, Faridabad, Haryana 121001, India.
| | - Hilal Ahmed Parray
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Tripti Shrivastava
- Translational Health Science & Technology Institute, NCR Biotech Science Cluster, Faridabad, Haryana 121001, India
| | - Subrata Sinha
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Kalpana Luthra
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India.
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Dore-Duffy P, Esen N. The Microvascular Pericyte: Approaches to Isolation, Characterization, and Cultivation. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1109:53-65. [PMID: 30523589 DOI: 10.1007/978-3-030-02601-1_5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The microvascular pericyte was identified in 1873 by the French scientist Charles Benjamin Rouget and originally called the Rouget cell (Rouget.Sciences 88:916-8, 1879). However, it was not until the early 1900s that Rouget's work was confirmed, and the Rouget cell renamed the pericyte by virtue of its peri-endothelial location (Dore. Brit J Dermatol 35:398-404, 1923; Zimmermann. Z Anat Entwicklungsgesch 68:3-109, 1923). Over the years a large number of publications have emerged, but the pericyte has remained a truly enigmatic cell. This is due, in part, by the paucity of easy and reliable methods to isolate and characterize the cell as well as its heterogeneity and pluripotent characteristics. However, more recent advances in molecular genetics and development of novel cell isolation and imaging techniques have enable scientists to more readily define pericyte function. This chapter will discuss general approaches to the isolation, characterization, and propagation of primary pericytes in the establishment of cell lines. We will attempt to dispel misinterpretations about the pericyte that cloud the literature.
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Affiliation(s)
- Paula Dore-Duffy
- Department of Neurology, School of Medicine, Wayne State University, Detroit, MI, USA.
| | - Nilufer Esen
- Department of Neurology, School of Medicine, Wayne State University, Detroit, MI, USA
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