Abstract:
:The reasons why some patients with multiple myeloma (MM) do not develop severe bone loss, or even develop sclerotic bone lesions, remain unclear. In order to answer this question at the cellular and tissue level, we evaluated the histological bone condition of 10 patients with MM who never developed lytic bone lesions during the course of their disease (including two patients with sclerotic MM). Myeloma-induced bone changes in the close vicinity of myeloma cells were evaluated by quantitative histology (bone histomorphometry). All 10 patients presented a significantly increased osteoblastic activity. This was associated with an increased bone resorption in seven of the 10 cases. Three patients had a pure osteoblastic presentation. These features were the reverse of the pattern observed in seven patients with lytic bone lesions: increased bone resorption with decreased bone formation. Almost all of these 10 patients showing excessive osteoblastic activity had increased serum bone gla protein levels, a specific marker of bone formation. Finally, 90% of these patients were lambda MM (70% of them were IgG lambda MM), an immunoglobulin subtype previously associated with the sclerotic MM variants. In conclusion, a subset of patients with MM never develop severe bone loss because of the stimulation of osteoblastic activity. These patients belong to the same family as osteosclerotic MM, presenting more frequently the IgG type and lambda subtype.
journal_name
Br J Haematoljournal_title
British journal of haematologyauthors
Bataille R,Chappard D,Marcelli C,Rossi JF,Dessauw P,Baldet P,Sany J,Alexandre Cdoi
10.1111/j.1365-2141.1990.tb07904.xsubject
Has Abstractpub_date
1990-12-01 00:00:00pages
484-7issue
4eissn
0007-1048issn
1365-2141journal_volume
76pub_type
杂志文章abstract::The AF-4 gene on human chromosome 4q21 is involved in reciprocal translocations to the ALL-1 gene on chromosome 11q23, which are associated with acute lymphoblastic leukaemias. A set of recombinant phage carrying genomic fragments for the coding region and flanking sequences of the AF-4 gene were isolated. Phage inser...
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
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journal_title:British journal of haematology
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journal_title:British journal of haematology
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doi:10.1046/j.1365-2141.1996.d01-1499.x
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abstract::A DNA-based method was developed to genotype donors for the human platelet antigens HPA-1a and -1b. Sequence-specific primers (SSP) were used in the polymerase chain reaction (PCR) which allowed the HPA-1a/1a, -1b/1b and -1a/1b genotypes to be determined by PCR alone, no second analytical stage was required. 10 donors...
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pub_type: 临床试验,杂志文章
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journal_title:British journal of haematology
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abstract::The incidence, characteristics and risk factors for the development of osteonecrosis of the jaw (ONJ) were evaluated among 303 myeloma patients. Only patients who received bisphosphonates developed ONJ (28/254; 11%). Zoledronic acid produced 9.5-fold greater risk for developing ONJ than pamidronate alone (P = 0.042) a...
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