Abstract:
OBJECTIVE:The present study was designed to compare directly the frequency of circulating LTC-IC and E-LTC-IC mobilized in peripheral blood (PB) after chemotherapy supported by either G-CSF (PB-G) or GM-CSF (PB-GM) in comparison to steady-state bone marrow (BM) and PB (PB-ST) values in the same patients. MATERIALS AND METHODS:Long-term cultures (LTC) were performed from 20 patients with malignant lymphoma at saturating cell concentrations to assess bulk progenitor cell production and by limiting dilution assay (LDA) to measure both frequency of LTC-IC and their proliferative and differentiation capacities. RESULTS:While CFC production in bulk LTC was higher at weeks 3-5 with PB-G than with PB-GM samples, week-5 LTC-IC and week-10 LTC-IC (E-LTC-IC) frequencies were not different using a LDA. However, the number of CFC derived from a single LTC-IC was higher in PB-G patients than in PB-GM patients (p = 0.01). Interestingly, the frequency of LTC-IC per 1 x 10(5) MNC in mobilized PB positively correlated with one-year marrow progenitor cell recovery, in contrast to the number of autografted CD34(+) cells and CFU-GM per kg. CONCLUSION:Both G-CSF and GM-CSF resulted in similar increases in LTC-IC and E-LTC-IC in PB at comparable levels to those present in BM. However, the differentiation capacity of LTC-IC was higher after mobilization with G-CSF than with GM-CSF, suggesting qualitative differences in LTC-IC mobilized with these growth factors.
journal_name
Exp Hematoljournal_title
Experimental hematologyauthors
Benboubker L,Binet C,Cartron G,Bernard MC,Clement N,Delain M,Degenne M,Desbois I,Colombat P,Domenech Jdoi
10.1016/s0301-472x(01)00762-7keywords:
subject
Has Abstractpub_date
2002-01-01 00:00:00pages
74-81issue
1eissn
0301-472Xissn
1873-2399pii
S0301472X01007627journal_volume
30pub_type
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abstract::The efficacy of binding of several lectins to different Burkitt's lymphoma (BL) cell lines was investigated. Soybean agglutinin (SBA), peanut agglutinin (PNA), wheat germ agglutinin (WGA), and Sambucus nigra agglutinin (SNA) bound strongly to all BL cell lines. Because SBA has been used safely in clinical bone marrow ...
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journal_title:Experimental hematology
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journal_title:Experimental hematology
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更新日期:1998-01-01 00:00:00
abstract::More than 2million human erythroblasts extrude their nuclei every second in bone marrow under hypoxic conditions (<7% O2). Enucleation requires specific signal transduction pathways and the local assembly of contractile actomyosin rings. However, the energy source driving these events has not yet been identified. We e...
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pub_type: 临床试验,杂志文章
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journal_title:Experimental hematology
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journal_title:Experimental hematology
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doi:
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journal_title:Experimental hematology
pub_type: 杂志文章
doi:
更新日期:1976-11-01 00:00:00
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journal_title:Experimental hematology
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doi:
更新日期:1990-10-01 00:00:00
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journal_title:Experimental hematology
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更新日期:2001-12-01 00:00:00
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journal_title:Experimental hematology
pub_type: 杂志文章
doi:10.1016/j.exphem.2008.09.015
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doi:
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journal_title:Experimental hematology
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doi:
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journal_title:Experimental hematology
pub_type: 杂志文章
doi:
更新日期:1996-06-01 00:00:00
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journal_title:Experimental hematology
pub_type: 杂志文章
doi:
更新日期:1992-03-01 00:00:00
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journal_title:Experimental hematology
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更新日期:2001-08-01 00:00:00
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journal_title:Experimental hematology
pub_type: 杂志文章
doi:
更新日期:1993-01-01 00:00:00
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journal_title:Experimental hematology
pub_type: 杂志文章
doi:
更新日期:1979-01-01 00:00:00
abstract::We have investigated the effect of hematopoietic cytokines on the survival of severe combined immune-deficient (SCID) mice that received a high dose of radiation. In this study, female SCID mice were irradiated at doses ranging from 500 to 600 cGy and then transplanted with 2 x 10(6) male Balb/c marrow cells. Groups o...
journal_title:Experimental hematology
pub_type: 杂志文章
doi:
更新日期:1994-02-01 00:00:00
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journal_title:Experimental hematology
pub_type: 杂志文章
doi:
更新日期:1994-12-01 00:00:00