Abstract:
:We investigated the anti-Fas antibody-induced cell death in two different types of human cell lines, U937 and B104. IFN-gamma increased the surface expression of Fas antigen and susceptibility to anti-Fas Ab-induced cell death of B104 and U937 cells. Anti-Fas Ab-induced death of U937 and B104 cells required neither a Ca2+ influx nor macromolecular synthesis. U937 cells treated with anti-Fas Ab represented apoptosis with DNA fragmentation, whereas anti-Fas Ab-treated B104 cells did not. Single-strand DNA breaks, however, appeared in the B104 cells. Zinc ions prevented DNA fragmentation and the morphological features of apoptosis in anti-Fas Ab-treated U937 cells, but did not inhibit cell death. However, zinc ions, when used in combination with the poly(ADP-ribosyl)ation inhibitors, inhibited anti-Fas Ab-induced U937 cell death. The inhibitors by themselves did not inhibit anti-Fas Ab-induced U937 cell death, but did inhibit anti-Fas Ab-induced B104 cell death. A substantial decrease in NAD pools was observed in anti-Fas Ab-treated B104 and U937 cells in parallel with the increase of DNA strand breaks before cell death became apparent. These results suggest the involvement of single-strand DNA breaks and poly(ADP-ribosyl)ation in the mechanisms of anti-Fas Ab-induced U937 and B104 cell death.
journal_name
Cell Immunoljournal_title
Cellular immunologyauthors
Sumimoto S,Ishigami T,Horiguchi Y,Yonehara S,Kanazashi S,Heike T,Katamura K,Mayumi Mdoi
10.1006/cimm.1994.1016subject
Has Abstractpub_date
1994-01-01 00:00:00pages
184-93issue
1eissn
0008-8749issn
1090-2163pii
S0008874984710161journal_volume
153pub_type
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journal_title:Cellular immunology
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journal_title:Cellular immunology
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journal_title:Cellular immunology
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journal_title:Cellular immunology
pub_type: 杂志文章,评审
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journal_title:Cellular immunology
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journal_title:Cellular immunology
pub_type: 杂志文章
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更新日期:2015-02-01 00:00:00
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journal_title:Cellular immunology
pub_type: 杂志文章
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更新日期:1996-05-01 00:00:00
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pub_type: 杂志文章
doi:10.1016/j.cellimm.2009.02.007
更新日期:2009-01-01 00:00:00
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journal_title:Cellular immunology
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journal_title:Cellular immunology
pub_type: 杂志文章
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journal_title:Cellular immunology
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journal_title:Cellular immunology
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更新日期:1988-09-01 00:00:00
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journal_title:Cellular immunology
pub_type: 杂志文章
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更新日期:2010-01-01 00:00:00
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journal_title:Cellular immunology
pub_type: 杂志文章
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更新日期:1989-04-01 00:00:00
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journal_title:Cellular immunology
pub_type: 杂志文章
doi:10.1016/0008-8749(90)90253-n
更新日期:1990-12-01 00:00:00