Fig. 1.
![Fig. 1. Immunocytometric analyses of surface B29 and Ig μ heavy chain expression on normal and CLL patient B-cell samples. Surface B29 and μ chain expression was determined by dual staining on peripheral blood mononuclear B cells from a normal individual ([A], designated ++) and from 3 representative CLL patients distinguished on their expression of surface B29 and μ proteins. B-CLL cells from patient 44 ([B], designated ++) displayed apparently normal surface B29 and μ levels. B-CLL cells from patient 19 ([C], scored +) exhibited low levels of both proteins. B-CLL cells from patient 21 ([D], designated −) were scored negative for surface B29 and μ expression.](https://ash.silverchair-cdn.com/ash/content_public/journal/blood/90/4/10.1182_blood.v90.4.1387/3/bl_0039f1.jpeg?Expires=1735573349&Signature=ZWjrdPatwkcHR51GiAODHJpVIdZQAJ5InEgWWlHk1AGWWnrXGFBD6RniFxnKEERXKXdVVGSwU6ZONy3R3kjKUPpcKGxNaLb48BtIk0MqoHD9Bv4RpX5ALKKq-8udJpw~aNMnI25Rsuv1awcSrwkc5B5uFUBBI5DO8HLgSvIILD8RqejUxD1zfFLNO2oVmhFtXXPCMQCBh0U6j5oFLuQ3EEGhg80wG1Xia3VGx8fURFnSP7mbPr9cHfpcbvmR16Qsai8EmFJ3JAoK6AsZw6c6QGCgn2K6eYoka1iarlnBp33bTbL0~3AFw01Dkc3GKxE29nW91-AHZw2JXyHePDixgQ__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Immunocytometric analyses of surface B29 and Ig μ heavy chain expression on normal and CLL patient B-cell samples. Surface B29 and μ chain expression was determined by dual staining on peripheral blood mononuclear B cells from a normal individual ([A], designated ++) and from 3 representative CLL patients distinguished on their expression of surface B29 and μ proteins. B-CLL cells from patient 44 ([B], designated ++) displayed apparently normal surface B29 and μ levels. B-CLL cells from patient 19 ([C], scored +) exhibited low levels of both proteins. B-CLL cells from patient 21 ([D], designated −) were scored negative for surface B29 and μ expression.
