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01000caa a22002652 4500 |
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NLM142415189 |
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DE-627 |
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20250205005808.0 |
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tu |
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231223s2003 xx ||||| 00| ||eng c |
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|a pubmed25n0475.xml
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|a (DE-627)NLM142415189
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| 035 |
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|a (NLM)14499243
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Jacobin, M J
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Improving selection of alphaIIbbeta3-binding phage antibodies with increased reactivity derived from immunized donors
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| 264 |
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1 |
|c 2003
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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 30.10.2003
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| 500 |
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|a Date Revised 08.11.2019
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| 500 |
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|a published: Print
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| 500 |
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|a Citation Status MEDLINE
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| 520 |
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|a Although many studies of the immune response in polytransfused Glanzmann thrombasthenia (GT) patients and in autoimmune thrombocytopenic purpura (AITP) have demonstrated the frequent development of Abs directed against the alphaIIbbeta3 integrin, little is known about the induced anti-alphaIIbbeta3 autoantibodies at the molecular level. Phage display is a powerful technology for selecting and engineering mAbs expressed on the surface of filamentous bacteriophage. Combinatorial libraries of single-chain IgG were constructed from splenocytes from two patients with AITP and one patient with GT. In a previous study, activated platelets or alphaIIbbeta3-expressing CHO cells selection was performed to isolate human IgG anti-alphaIIbbeta3 binding fragments using combinatorial libraries created from the B cells of a GT and an AITP patient. However, we have experienced practical problems such as enrichment of truncated antibodies during selection. We decided to test prolonged treatments with elution agents after screening on the purified form of the alphaIIbbeta3 integrin activated with the RGD peptide. We obtained a higher percentage of clones with full-size antibody fragments as well as an enrichment of more specific alphaIIbbeta3-binding phage-Abs. Some of them, recognizing the activated form of the integrin, would be interesting to further study as potential diagnostic or therapeutic agents in acute coronary syndromes. Sequencing of selected phage-Abs revealed that they used different VH and VL genes with, for the majority of them, a high level of extensive hypermutations in the complementarity determining regions, indicating the diversity of the antigen-driven immune response that occurred in GT and AITP patients
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| 650 |
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4 |
|a Case Reports
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a Research Support, Non-U.S. Gov't
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| 650 |
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7 |
|a Antibodies, Monoclonal
|2 NLM
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| 650 |
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7 |
|a Autoantibodies
|2 NLM
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| 650 |
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7 |
|a Complementarity Determining Regions
|2 NLM
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| 650 |
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7 |
|a Immunoglobulin Heavy Chains
|2 NLM
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| 650 |
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7 |
|a Immunoglobulin Light Chains
|2 NLM
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| 650 |
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7 |
|a Oligopeptides
|2 NLM
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| 650 |
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7 |
|a Peptide Library
|2 NLM
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| 650 |
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7 |
|a Platelet Glycoprotein GPIIb-IIIa Complex
|2 NLM
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| 650 |
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7 |
|a arginyl-glycyl-aspartic acid
|2 NLM
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| 650 |
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7 |
|a 78VO7F77PN
|2 NLM
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| 700 |
1 |
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|a Robert, R
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pouns, O
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Laroche-Traineau, J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nurden, A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Peter, K
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Little, M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Clofent-Sanchez, G
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Clinical immunology (Orlando, Fla.)
|d 1999
|g 108(2003), 3 vom: 19. Sept., Seite 199-210
|w (DE-627)NLM098196855
|x 1521-6616
|7 nnns
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| 773 |
1 |
8 |
|g volume:108
|g year:2003
|g number:3
|g day:19
|g month:09
|g pages:199-210
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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 108
|j 2003
|e 3
|b 19
|c 09
|h 199-210
|