Phage display antibodies to allelic determinants of canine blood cells

Hsuen Wen Chang, Duy D. Nguyen, Elizabeth Washington, Ian D. Walker, Steven A. Holloway

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Techniques were developed to select useful allele-specific antibodies directed to canine red blood cell alloantigens from a phage display library in which antibody single chain variable fragments (scFv) were expressed on filamentous bacteriophage. First, techniques were developed to detect specific antigens displayed on red blood cells using flow cytometry. Next, techniques permitting the efficient selection of red blood cell binders from a large phage library were developed. Finally, the amplified library was depleted using the red blood cells of one animal and the remainder enriched using cells from a genetically different animal. A high frequency of clones derived from this population bound antigen(s) of the second animal but not the first. Sequence analysis of these clones revealed that at least 11 clonally distinct isolates were present within the selected population. The procedure used to obtain these reagents is simple and inexpensive and the techniques developed should find applications in canine transfusion medicine and parentage assignment.

Original languageEnglish
Pages (from-to)1-11
Number of pages11
JournalJournal of Immunological Methods
Volume311
Issue number1-2
DOIs
Publication statusPublished - Apr 20 2006
Externally publishedYes

Fingerprint

Bacteriophages
Canidae
Blood Cells
Erythrocytes
Antibodies
Libraries
Inovirus
Clone Cells
Transfusion Medicine
Antigens
Single-Chain Antibodies
Isoantigens
Population
Sequence Analysis
Flow Cytometry
Alleles

Keywords

  • Dog blood groups
  • Dog erythrocyte antigen (DEA)
  • Phage display
  • Red blood cells (RBC)
  • Tomlinson libraries

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

Cite this

Phage display antibodies to allelic determinants of canine blood cells. / Chang, Hsuen Wen; Nguyen, Duy D.; Washington, Elizabeth; Walker, Ian D.; Holloway, Steven A.

In: Journal of Immunological Methods, Vol. 311, No. 1-2, 20.04.2006, p. 1-11.

Research output: Contribution to journalArticle

Chang, Hsuen Wen ; Nguyen, Duy D. ; Washington, Elizabeth ; Walker, Ian D. ; Holloway, Steven A. / Phage display antibodies to allelic determinants of canine blood cells. In: Journal of Immunological Methods. 2006 ; Vol. 311, No. 1-2. pp. 1-11.
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