Antibody Response Profiles to Components of Rye Grass Pollen Extract in Various Strains of Mice

1982 ◽  
Vol 69 (2) ◽  
pp. 120-126 ◽  
Author(s):  
D.M. Moran ◽  
R. Standring ◽  
D.C. Henderson
1988 ◽  
Vol 87 (4) ◽  
pp. 337-341 ◽  
Author(s):  
R. Standring ◽  
E.A. Lavender ◽  
A.W. Wheeler ◽  
V.M. Spackman ◽  
D.M. Moran

1985 ◽  
Vol 76 (3) ◽  
pp. 261-265
Author(s):  
D.M. Moran ◽  
G.P. Cottam ◽  
R. Standring ◽  
R.M. Cook

1986 ◽  
Vol 234 (2) ◽  
pp. 305-310 ◽  
Author(s):  
G P Cottam ◽  
D M Moran ◽  
R Standring

Three fractions of rye-grass (Lolium perenne) pollen extract have been isolated by preparative isoelectric focusing (i.e.f.) and characterized in terms of physicochemical and immunochemical properties. The purified components were designated ‘R7’ and ‘R14’ on the basis of their positions in relation to other rye-grass pollen extract components on SDS/polyacrylamide-gel electrophoresis and their apparent molecular masses were assessed as 31 and 11 kDa respectively. On i.e.f., R14 split into two components, one acidic (pI 5.0) and one basic (pI 9.0), termed ‘R14a’ and ‘R14b’ respectively, and R7 focused at pI 5.8. R7 and R14a were shown to be allergenic by skin-prick test and all three components were recognized by rye-grass-pollen-specific human IgE. On SDS/polyacrylamide-gel electrophoresis and i.e.f., R7 behaved in a manner identical with that shown by an authentic sample of Rye I and gave an amino acid analysis similar to published data [Johnson & Marsh (1966) Immunochemistry 3, 91-100] for Rye group-I isoallergens; the amino acid sequence of the first 27 N-terminal amino acids was also determined. Physicochemical analysis revealed that R14a was equivalent to Rye II and 14b to Rye III. Preparative i.e.f. followed by gel-permeation chromatography proved to be a rapid and efficient method for purifying the allergenic components of Rye I (R7), Rye II (R14a) and Rye III (R14b) from rye-grass pollen extract.


1988 ◽  
Vol 85 (1) ◽  
pp. 104-108
Author(s):  
R.M. Cook ◽  
A.W. Wheeler ◽  
V.M. Spackman ◽  
N.R.J. Musgrove ◽  
Y.K. Dave ◽  
...  

Sign in / Sign up

Export Citation Format

Share Document