Abstract:
:We investigated the molecular basis for haemoglobin H disease in 50 Sardinian patients by restriction endonuclease analysis. We found that the majority (78% of the cases) are due to gene deletion (- -/- alpha). Among those with a combination of deletion and nondeletion defects (- -/alpha alpha th), the most prevalent nondeletion lesion (70% of the nondeletion defects) was the initiation codon mutation of the alpha 2 gene (alpha Nco alpha), previously discovered in this population. Of the remaining patients with the (- -/alpha alpha th) genotype, two showed the IVS-1 splice junction lesion and one a mutation in the alpha 1 gene, removing the Nco I site within the 5' part of the alpha 1 gene, which may arise from a process of gene conversion from the initiation codon mutant of the alpha 2 gene. A single patient had the homozygous state for the initiation codon mutant of the alpha 2 gene. Study of genotype-phenotype correlations indicates that the (alpha Nco alpha) haplotype is associated with a more severe defect in the alpha-globin chain output than that resulting from the (-alpha) haplotype. We may conclude that restriction endonuclease analysis is a powerful method for the definition of the molecular heterogeneity of haemoglobin H disease.
journal_name
Br J Haematoljournal_title
British journal of haematologyauthors
Paglietti E,Galanello R,Moi P,Pirastu M,Cao Adoi
10.1111/j.1365-2141.1986.tb07525.xsubject
Has Abstractpub_date
1986-07-01 00:00:00pages
485-96issue
3eissn
0007-1048issn
1365-2141journal_volume
63pub_type
杂志文章abstract::Cytokines and chemokines determine mobilisation of Langerhans cells and their dysregulation is implicated in the pathogenesis of Langerhans cell histiocytosis (LCH). Twenty point mutations of 12 different cytokine genes were studied in 41 Italian children, 15 with single-system (SS) and 26 with multi-system disease. T...
journal_title:British journal of haematology
pub_type: 杂志文章
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1992.tb02976.x
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journal_title:British journal of haematology
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journal_title:British journal of haematology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1111/j.1365-2141.1992.tb06400.x
更新日期:1992-01-01 00:00:00
abstract::We investigated the use of a new conditioning regimen followed by allogeneic bone marrow transplantation (BMT) for treating children with acute lymphoblastic leukaemia (ALL) after relapse within 6 months of the completion of therapy. One hundred and sixteen children with acute lymphoblastic leukaemia in second or subs...
journal_title:British journal of haematology
pub_type: 临床试验,杂志文章,多中心研究
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更新日期:1998-08-01 00:00:00
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1995.tb08380.x
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abstract::Hodgkin-Reed Sternberg (H-RS) cells harbour clonal immunoglobulin gene (Ig) rearrangements in almost all cases of classical Hodgkin's disease but lack Ig gene expression. In the H-RS cell line L1236, a somatic mutation of the Ig heavy-chain gene promoter octamer motif has been described as a putative reason for absenc...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.2001.03086.x
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abstract::The replicative potential of human CD56(+) CD3(-) natural killer (NK) cells is unknown. We found that by exposing NK cells to the leukaemic cell line K562 genetically modified to express 4-1BB ligand and interleukin 15 (K562-mb15-41BBL), they expanded for up to 30 population doublings, achieving numbers that ranged fr...
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pub_type: 杂志文章
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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.1365-2141.1992.tb02986.x
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abstract::Apoptotic cell death is induced by the cross-linking of Fas/APO-1 receptor (CD95) in acute myelogenous leukaemia (AML) cells. Since CD95 ligand (CD95L) is expressed on interleukin-2 (IL-2)-activated T cells, we investigated the involvement of CD95-CD95L pathway in T cell-mediated cytotoxicity against AML cells. Activa...
journal_title:British journal of haematology
pub_type: 杂志文章
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pub_type: 杂志文章,多中心研究
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更新日期:1993-12-01 00:00:00
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1976.tb00939.x
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journal_title:British journal of haematology
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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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journal_title:British journal of haematology
pub_type: 杂志文章
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更新日期:1989-01-01 00:00:00
abstract::Little is known about the impact of cytomegalovirus (CMV) infections that occur after human leucocyte antigen (HLA)-matched unrelated donor (MUD) non-myleoablative haematopoietic stem cell transplantation (HCT). We analysed the incidence, onset and outcomes of CMV infections in 59 recipients of MUD and in 109 recipien...
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pub_type: 杂志文章
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