Abstract:
:125I IgG anti-D binding to reticulocytes obtained by density fractionation is reduced relative to that bound to all other red cell (RBC) fractions. Maximum D antigen reactivity occurs following reticulocyte maturation with no detectable change in D reactivity of mature RBC throughout their life span. Reticulocytes have in the range of about 60% of the content of mature RBC. Previously reported increased anti-D agglutinability and binding to old RBC it is not due to an intrinsic increase in D antigen with age, but results from an 'apparent' decrease in anti-D binding to young RBC fractions due to reticulocyte enrichment. IgG RBC autoantibodies obtained by elution from the RBC of eight Coombs-positive blood donors, probably associated with alpha-methyldopa (alpha-MD) administration, showed decreased binding to reticulocytes as determined by 125I protein A (PA). Reticulocytes bound about 70% of the IgG bound to mature RBC, indicating that the membrane antigenic determinant defined by these autoantibodies was incompletely expressed in the reticulocyte. This difference in IgG autoantibody binding between reticulocytes and mature RBC is similar to the decreased D antigen content of reticulocytes and consistent with an autoantibody determinant associated with the Rh complex. Direct testing of density fractionated Coombs-positive RBC in four out of five patients with autoimmune haemolytic anaemia (AIHA) showed reduced quantities of IgG on reticulocytes. The distribution of IgG between reticulocytes and mature RBC may be useful in serologically characterizing patients with AIHA and in identifying subpopulations of patients with this disorder.
journal_name
Br J Haematoljournal_title
British journal of haematologyauthors
Gray LS,Kleeman JE,Masouredis SPdoi
10.1111/j.1365-2141.1983.tb01255.xsubject
Has Abstractpub_date
1983-10-01 00:00:00pages
335-45issue
2eissn
0007-1048issn
1365-2141journal_volume
55pub_type
杂志文章abstract::Follow-up studies of natural killer (NK) cells, NK activity and antibody dependent cellular cytotoxicity (ADCC) in the course of hairy cell leukaemia (HCL) were carried out in a series of patients affected by the disease. NK activity against K562 targets was found to be high in all the patients with non-symptomatic st...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1989.tb04261.x
更新日期:1989-02-01 00:00:00
abstract::The polymerase chain reaction (PCR) assay was used to detect human parvovirus B19 DNA in 38 blood products and start plasma pools from five different manufacturers. The products examined were albumin, factor VIII, intravenous (i.v.) and intramuscular (i.m) immunoglobulin batches. The majority of pools from all the man...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.1996.d01-1679.x
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abstract::Increased osteoclastic bone resorption is the major causal factor of bone disease in multiple myeloma. Recently, non-invasive methods have been developed for the estimation of bone resorptive activity. To evaluate the biological sensitivity and clinical usefulness of five biochemical assays for measuring the C-termina...
journal_title:British journal of haematology
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1985.tb04058.x
更新日期:1985-09-01 00:00:00
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pub_type: 杂志文章,多中心研究
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1981.00661.x
更新日期:1981-08-01 00:00:00
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1985.tb02832.x
更新日期:1985-10-01 00:00:00
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.2005.05922.x
更新日期:2006-03-01 00:00:00
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pub_type: 杂志文章
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更新日期:1996-06-01 00:00:00
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journal_title:British journal of haematology
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1983.tb02041.x
更新日期:1983-03-01 00:00:00
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1992.tb06459.x
更新日期:1992-11-01 00:00:00
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journal_title:British journal of haematology
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doi:10.1046/j.1365-2141.1997.752711.x
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journal_title:British journal of haematology
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pub_type: 杂志文章,多中心研究
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journal_title:British journal of haematology
pub_type: 杂志文章,评审
doi:10.1111/bjh.15772
更新日期:2019-06-01 00:00:00
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journal_title:British journal of haematology
pub_type: 杂志文章,评审
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pub_type: 杂志文章
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journal_title:British journal of haematology
pub_type: 杂志文章
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更新日期:1985-03-01 00:00:00
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pub_type: 临床试验,杂志文章,多中心研究
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journal_title:British journal of haematology
pub_type: 杂志文章
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更新日期:1987-12-01 00:00:00
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journal_title:British journal of haematology
pub_type: 杂志文章
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更新日期:2011-10-01 00:00:00
abstract::Between January 1987 and January 1997, 69 eligible patients with acute myeloid leukaemia (AML) in either second (CR2) or third (CR3) complete remission (CR2 = 60, CR3 = 9) underwent 4-hydroperoxycyclophosphamide-purged autologous bone marrow transplantation (BMT) at the Johns Hopkins Oncology Center. The patients' med...
journal_title:British journal of haematology
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更新日期:2002-06-01 00:00:00