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231222s2002 xx ||||| 00| ||eng c |
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|a pubmed25n0409.xml
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|a (DE-627)NLM122680545
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|a (NLM)12483997
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Virella, G
|e verfasserin
|4 aut
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| 245 |
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|a Proatherogenic and proinflammatory properties of immune complexes prepared with purified human oxLDL antibodies and human oxLDL
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| 264 |
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|c 2002
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 03.01.2003
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|a Date Revised 06.11.2019
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|a published: Print
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|a Citation Status MEDLINE
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| 520 |
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|a Immune complexes (IC) prepared with human low density lipoprotein (LDL) and rabbit LDL antibodies induce foam cell transformation of human macrophages and activate the release of proinflammatory mediators by human macrophages and THP-1 cells. Because the affinity of human oxidized LDL (oxLDL) antibodies is lower than that of rabbit antibodies, IC formed with human antibodies could have limited pathogenic potential. Immune complexes prepared with human oxidized LDL (oxLDL) and purified human oxLDL antibodies (predominantly of the IgG1 and IgG3 isotypes) were presented to THP-1 cells using two protocols previously described in studies of the properties of LDL-IC prepared with rabbit antibodies. OxLDL/human oxLDL antibody IC immobilized by adsorption to red blood cells (RBC) induced the release of significantly higher levels of TNF from THP-1 cells (872-313 pg/ml) than oxLDL adsorbed to RBC (461-75.6 pg/ml) and caused a higher degree of cholesterol ester accumulation in the same cells (5.4-0.77 in cells incubated with IC-coated RBC vs 1.99-1.16 in oxLDL-coated RBC). Insoluble IC prepared with oxLDL/human oxLDL antibody were even more effective in promoting intracellular accumulation of cholesterol in THP-1 cells (total cholesterol = 53.8-13.5 and cholesterol esters = 24.0-7.2 mg/l in THP-1 cells incubated with insoluble IC (200 micrograms) vs total cholesterol = 32.4-8.2 and cholesterol esters = 7.7 +/- 2.8 micrograms/l in THP-1 cells incubated with an identical concentration of oxLDL) and also induced the release of TNF. Thus we have demonstrated that IC prepared with human oxLDL and human oxLDL antibodies have the same atherogenic and proinflammatory properties as IC prepared with human LDL and rabbit LDL antibodies. This strongly supports the concept that modified LDL-IC present in circulation and/or tissues play an important pathogenic role in arteriosclerosis
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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|a Research Support, U.S. Gov't, P.H.S.
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| 650 |
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7 |
|a Antigen-Antibody Complex
|2 NLM
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| 650 |
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7 |
|a Immunoglobulin Isotypes
|2 NLM
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| 650 |
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|a Lipoproteins, LDL
|2 NLM
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| 650 |
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|a Tumor Necrosis Factor-alpha
|2 NLM
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| 650 |
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7 |
|a oxidized low density lipoprotein
|2 NLM
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| 650 |
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|a Cholesterol
|2 NLM
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| 650 |
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7 |
|a 97C5T2UQ7J
|2 NLM
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| 700 |
1 |
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|a Atchley, D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Koskinen, Sinikka
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zheng, D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lopes-Virella, Maria F
|e verfasserin
|4 aut
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| 700 |
0 |
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|a DCCT/EDIC Research Group
|e verfasserin
|4 aut
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| 773 |
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8 |
|i Enthalten in
|t Clinical immunology (Orlando, Fla.)
|d 1999
|g 105(2002), 1 vom: 30. Okt., Seite 81-92
|w (DE-627)NLM098196855
|x 1521-6616
|7 nnns
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| 773 |
1 |
8 |
|g volume:105
|g year:2002
|g number:1
|g day:30
|g month:10
|g pages:81-92
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| 912 |
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|a GBV_USEFLAG_A
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| 912 |
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|a SYSFLAG_A
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| 912 |
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|a GBV_NLM
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| 912 |
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|a GBV_ILN_11
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| 912 |
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|a GBV_ILN_24
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| 912 |
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|a GBV_ILN_350
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| 951 |
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|a AR
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| 952 |
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|d 105
|j 2002
|e 1
|b 30
|c 10
|h 81-92
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