Evaluation of the fidelity of immunolabelling obtained with clone 5D8/1, a monoclonal antibody directed against the enteroviral capsid protein, VP1, in human pancreas

Sarah J. Richardson, Pia Leete, Shalinee Dhayal, Mark A. Russell, Maarit Oikarinen, Jutta E. Laiho, Emma Svedin, Katharina Lind, Therese Rosenling, Nora Chapman, Adrian J. Bone, Alan K. Foulis, Gun Frisk, Malin Flodstrom-Tullberg, Didier Hober, Heikki Hyoty, Noel G. Morgan

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Aims/hypothesis: Enteroviral infection has been implicated in the development of islet autoimmunity in type 1 diabetes and enteroviral antigen expression has been detected by immunohistochemistry in the pancreatic beta cells of patients with recent-onset type 1 diabetes. However, the immunohistochemical evidence relies heavily on the use of a monoclonal antibody, clone 5D8/1, raised against an enteroviral capsid protein, VP1. Recent data suggest that the clone 5D8/1 may also recognise non-viral antigens; in particular, a component of the mitochondrial ATP synthase (ATP5B) and an isoform of creatine kinase (CKB). Therefore, we evaluated the fidelity of immunolabelling by clone 5D8/1 in the islets of patients with type 1 diabetes. Methods: Enteroviral VP1, CKB and ATP5B expression were analysed by western blotting, RT-PCR and immunocytochemistry in a range of cultured cell lines, isolated human islets and human tissue. Results: Clone 5D8/1 labelled CKB, but not ATP5B, on western blots performed under denaturing conditions. In cultured human cell lines, isolated human islets and pancreas sections from patients with type 1 diabetes, the immunolabelling of ATP5B, CKB and VP1 by 5D8/1 was readily distinguishable. Moreover, in a human tissue microarray displaying more than 80 different cells and tissues, only two (stomach and colon; both of which are potential sites of enterovirus infection) were immunopositive when stained with clone 5D8/1. Conclusions/interpretation: When used under carefully optimised conditions, the immunolabelling pattern detected in sections of human pancreas with clone 5D8/1 did not reflect cross-reactivity with either ATP5B or CKB. Rather, 5D8/1 is likely to be representative of enteroviral antigen expression.

Original languageEnglish (US)
Pages (from-to)392-401
Number of pages10
JournalDiabetologia
Volume57
Issue number2
DOIs
StatePublished - Feb 1 2014

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Capsid Proteins
Pancreas
Clone Cells
Monoclonal Antibodies
Type 1 Diabetes Mellitus
Antigens
Cultured Cells
Western Blotting
Mitochondrial Proton-Translocating ATPases
Immunohistochemistry
Enterovirus Infections
Cell Line
Insulin-Secreting Cells
Creatine Kinase
Autoimmunity
Stomach
Protein Isoforms
Colon
Polymerase Chain Reaction
Infection

Keywords

  • ATP5B
  • Coxsackievirus
  • Creatine kinase
  • Dako 5D8/1
  • Immunohistochemistry
  • Islets of Langerhans
  • Pancreatic beta cell

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism

Cite this

Evaluation of the fidelity of immunolabelling obtained with clone 5D8/1, a monoclonal antibody directed against the enteroviral capsid protein, VP1, in human pancreas. / Richardson, Sarah J.; Leete, Pia; Dhayal, Shalinee; Russell, Mark A.; Oikarinen, Maarit; Laiho, Jutta E.; Svedin, Emma; Lind, Katharina; Rosenling, Therese; Chapman, Nora; Bone, Adrian J.; Foulis, Alan K.; Frisk, Gun; Flodstrom-Tullberg, Malin; Hober, Didier; Hyoty, Heikki; Morgan, Noel G.

In: Diabetologia, Vol. 57, No. 2, 01.02.2014, p. 392-401.

Research output: Contribution to journalArticle

Richardson, SJ, Leete, P, Dhayal, S, Russell, MA, Oikarinen, M, Laiho, JE, Svedin, E, Lind, K, Rosenling, T, Chapman, N, Bone, AJ, Foulis, AK, Frisk, G, Flodstrom-Tullberg, M, Hober, D, Hyoty, H & Morgan, NG 2014, 'Evaluation of the fidelity of immunolabelling obtained with clone 5D8/1, a monoclonal antibody directed against the enteroviral capsid protein, VP1, in human pancreas', Diabetologia, vol. 57, no. 2, pp. 392-401. https://doi.org/10.1007/s00125-013-3094-7
Richardson, Sarah J. ; Leete, Pia ; Dhayal, Shalinee ; Russell, Mark A. ; Oikarinen, Maarit ; Laiho, Jutta E. ; Svedin, Emma ; Lind, Katharina ; Rosenling, Therese ; Chapman, Nora ; Bone, Adrian J. ; Foulis, Alan K. ; Frisk, Gun ; Flodstrom-Tullberg, Malin ; Hober, Didier ; Hyoty, Heikki ; Morgan, Noel G. / Evaluation of the fidelity of immunolabelling obtained with clone 5D8/1, a monoclonal antibody directed against the enteroviral capsid protein, VP1, in human pancreas. In: Diabetologia. 2014 ; Vol. 57, No. 2. pp. 392-401.
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AU - Dhayal, Shalinee

AU - Russell, Mark A.

AU - Oikarinen, Maarit

AU - Laiho, Jutta E.

AU - Svedin, Emma

AU - Lind, Katharina

AU - Rosenling, Therese

AU - Chapman, Nora

AU - Bone, Adrian J.

AU - Foulis, Alan K.

AU - Frisk, Gun

AU - Flodstrom-Tullberg, Malin

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KW - Coxsackievirus

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KW - Dako 5D8/1

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KW - Islets of Langerhans

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