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WFRF:(Magnusson Yvonne 1957)
 

Sökning: WFRF:(Magnusson Yvonne 1957) > Antigenic analysis ...

  • Magnusson, Yvonne,1957Gothenburg University,Göteborgs universitet,Medicinska institutionen,Department medicine (författare)

Antigenic analysis of the second extra-cellular loop of the human beta-adrenergic receptors.

  • Artikel/kapitelEngelska1989

Förlag, utgivningsår, omfång ...

  • 1989

Nummerbeteckningar

  • LIBRIS-ID:oai:gup.ub.gu.se/121481
  • https://gup.ub.gu.se/publication/121481URI

Kompletterande språkuppgifter

  • Språk:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Polyclonal antibodies were raised in rabbits by immunization with free peptides corresponding to positions 197-222 of the human beta 1-adrenergic receptor (beta 1 peptide) and the corresponding sequence (172-197) of the human beta 2-adrenergic receptor (beta 2 peptide). While the beta 2 peptide yielded antibodies that cross-reacted with the beta 1 peptide, the antibodies against the beta 1 peptide did not cross-react with the beta 2 sequence. Cross-reactivity of the anti-beta 2 peptide antibodies and the selectivity of the anti-beta 1 peptide antibodies were also revealed in the recognition by immunoblots of the beta 1- and beta 2-adrenergic receptors of different species or of the receptor gene products expressed in a bacterial vector. These antibodies could be used immunohistochemically to visualize the beta-adrenergic receptors on rabbit heart. The anti-beta 2 peptide antibodies did not show any functional effect on the beta-adrenergic receptors; the anti-beta 1 peptide antibodies were able to displace agonist affinity to higher values. Recognition of truncated peptides by the anti-beta 1 and anti-beta 2 peptide antibodies suggested that the cross-reaction of the anti-beta 2 peptide antibodies was due to the recognition of a common epitope on the C-terminal part of the peptides. The anti-beta 1 peptide antibodies recognized the N-terminal part of the peptide better than the C-terminal part. These results suggest that the second extracellular loop postulated in the structure of the human beta-adrenergic receptor contains the T and B cell epitopes necessary for induction of an immune response. The selectivity and the functional properties of the antibodies raised against that loop in the beta 1 adrenergic receptor could have relevance in induction of auto antibodies in certain cardiomyopathic conditions.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Höyer, SGothenburg University,Göteborgs universitet,Medicinska institutionen,Department medicine (författare)
  • Lengagne, R (författare)
  • Chapot, M P (författare)
  • Guillet, J G (författare)
  • Hjalmarson, Agneta,1943Gothenburg University,Göteborgs universitet,Medicinska institutionen,Department medicine(Swepub:gu)xhjaag (författare)
  • Strosberg, A D (författare)
  • Hoebeke, JohanGothenburg University,Göteborgs universitet,Medicinska institutionen,Department medicine (författare)
  • Göteborgs universitetMedicinska institutionen (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Clinical and experimental immunology78:1, s. 42-80009-9104

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