Abstract:
:We have studied the surface expression of the Toll-like receptor family member CD 180 on cells from 78 patients with B-chronic lymphocytic leukaemia (B-CLL). B-CLL cells had variable levels of CD 180 expression, but this was always less than that expressed by normal blood B cells and was stable for 24 months. Significantly higher levels of CD 180 were expressed by B-CLL cells with mutated IGVH genes compared with those using unmutated IGVH genes. This was in contrast to the higher levels of expression of surface immunoglobulin M by B-CLL cells using unmutated, rather than mutated IGVH genes. CD 180 was functional on B-CLL cells from some of the patients, as shown by the increased expression of CD 86 following incubation in vitro with anti-CD 180. The differential expression of CD 180 amongst B-CLL patients is one more marker that may define more precisely the different biological properties of this heterogeneous disease.
journal_name
Br J Haematoljournal_title
British journal of haematologyauthors
Porakishvili N,Kulikova N,Jewell AP,Youinou PY,Yong K,Nathwani A,Heelan B,Duke V,Hamblin TJ,Wallace P,Ely P,Clark EA,Lydyard PMdoi
10.1111/j.1365-2141.2005.05775.xsubject
Has Abstractpub_date
2005-11-01 00:00:00pages
313-9issue
3eissn
0007-1048issn
1365-2141pii
BJH5775journal_volume
131pub_type
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