Epitope repertoire of human CD4+ T cells on the A3 domain of coagulation factor VIII

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The Effects of Novel Mutations in A1 Domain of Human Coagulation Factor VIII on Its Secretion Level in Cultured Mammalian Cells

Inefficient secretion of the human coagulation factor (hFVIII) in mammalian expression systems is one ofthe main causes of the hFVIII low expression level, attributed to its interaction with a chaperone known asBiP/GRP78. In order to improve secretion efficiency of the hFVIII, based on the higher secretion level of theporcine FVIII and analysis of the hFVIII A110 region, that ...

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Frequency of epitope-specific naive CD4(+) T cells correlates with immunodominance in the human memory repertoire.

The frequency of epitope-specific naive CD4(+) T cells in humans has not been extensively examined. In this study, a systematic approach was used to examine the frequency of CD4(+) T cells that recognize the protective Ag of Bacillus anthracis in both anthrax vaccine-adsorbed vaccinees and nonvaccinees with HLA-DRB1*01:01 haplotypes. Three epitopes were identified that had distinct degrees of i...

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Bacterial Expression and Purification of C1C2 Domain of Human Factor VIII

With the aim of the production of human factor VIII antigen and its corresponding antibody an epitope coding fragment of the light-chain of hFVIII, fused to a His6-tag, was isolated and over-expressed in Escherichia coli. The over-expressed hFVIII-epitope containing peptide was confirmed by its reaction with a rabbit serum directed against native hFVIII as well as antiHis6-tag antibody. An expr...

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Human coagulation factor VIII domain-specific recombinant polypeptide expression

BACKGROUND Hemophilia A is caused by heterogeneous mutations in F8. Coagulation factor VIII (FVIII), the product of F8, is composed of multiple domains designated A1-A2-B-A3-C1-C2. FVIII is known to interact with diverse proteins, and this characteristic may be important for hemostasis. However, little is known about domain-specific functions or their specific binding partners. METHODS To det...

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ژورنال

عنوان ژورنال: Journal of Thrombosis and Haemostasis

سال: 2004

ISSN: 1538-7933,1538-7836

DOI: 10.1111/j.1538-7836.2004.00850.x