Expression of Lck in B-CLL. (A) Immunoblot analysis using an anti-Lck MoAb of peripheral blood B-cell lysates from healthy controls and from representative B-CLL patients. A lysate from normal T cells is included as a positive control. (B) Immunoblot analysis using an anti-Lyn MoAb of peripheral blood B-cell lysates from a healthy control and from representative B-CLL patients.