Western immunoblots of electrophoresed peanut and mouse tissue extracts probed with rabbit antisera. (a) Peanut, (b) mouse blood, (c) mouse kidney, (d) mouse spleen. (M) Molecular weight markers, (1) anti‐Schistosoma mansoni soluble egg antigens (anti‐SmSEA) serum, (2) anti‐SmSEA serum, (3) anti‐S. mansoni cercariae homogenate (anti‐SmCH), (4) anti‐SmCH, (5) anti‐S. mansoni adult worm (anti‐SmWh), (6) anti‐normal mouse serum (anti‐NMS), (7) anti‐complete Freund's adjuvant (anti‐CFA). Amounts of protein loaded per lane: 0·1 mg peanut extract; 0·003 mg NMS; 0·021 mg kidney extract; 0·214 mg spleen extract. [Colour figure can be viewed at wileyonlinelibrary.com]