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Production and characterization of recombinant human lactoferrin Veen, H.A. van

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Production and characterization of recombinant human lactoferrin

Veen, H.A. van

Citation

Veen, H. A. van. (2008, April 23). Production and characterization of recombinant human lactoferrin. Retrieved from https://hdl.handle.net/1887/13570

Version: Corrected Publisher’s Version

License: Licence agreement concerning inclusion of doctoral thesis in the Institutional Repository of the University of Leiden

Downloaded from: https://hdl.handle.net/1887/13570

Note: To cite this publication please use the final published version (if applicable).

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Production and characterization of Production and characterization of

recombinant human lactoferrin recombinant human lactoferrin

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Production and characterization of recombinant human lactoferrin

Proefschrift

ter verkrijging van

de graad van Doctor aan de Universiteit Leiden,

op gezag van Rector Magnificus prof.mr. P.F. van der Heijden, volgens besluit van het College voor Promoties

te verdedigen op woensdag 23 april 2008 klokke 16.15 uur

door

Henricus Antonius van Veen geboren te Boskoop in 1969

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Promotiecommissie

Promotor: Prof.dr. H.A. de Boer Co-promotoren: Dr. P.H.C. van Berkel

Dr. J.H. Nuijens

Referent: Prof.dr. G.W. Canters Overige leden: Prof.dr. J.P. Abrahams

Prof.dr. M.R. Daha

Prof.dr. C.E. Hack (VU) Dr. P.H. Nibbering

Cover: Jaco Koiter

The studies described in this thesis were financially supported by Pharming Group NV, Leiden, The Netherlands.

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Voor mijn vader

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95 105 111 Abbreviations

Chapter 1 Introduction

Chapter 2 Analytical cation-exchange chromatography to assess the identity, purity and N-terminal integrity of human lactoferrin Anal. Biochem. (2002) 309: 60-66

Chapter 3 Characterization of monoclonal antibodies against human lactoferrin

J. Immunol. Meth. (2002) 267: 139-150

Chapter 4 Characterization of the recombinant N- and C-lobe of human lactoferrin

Chapter 5 Large scale production of recombinant human lactoferrin in the milk of transgenic cows

Nat. Biotechnol. (2002) 20: 484-487

Chapter 6 The protein structure of recombinant human lactoferrin produced in the milk of transgenic cows closely matches the structure of human milk-derived lactoferrin

Transgenic Res. (2005)14:397-405

Chapter 7 The role of N-linked glycosylation in the protection of human and bovine lactoferrin against tryptic proteolysis

Eur. J. Biochem. (2004) 271: 678-684

Chapter 8 Characterization of bovine neutrophil gelatinase-associated lipocalin

J. Dairy Sci. (2006) 89: 3400-3407

Chapter 9 Sub-chronic (13-week) oral toxicity study in rats with recombinant human lactoferrin produced in the milk of transgenic cows

Food Chem. Toxicol. (2006) 44: 964-973

Chapter 10 Summary and general conclusions Samenvatting

Curriculum Vitae

Contents

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24p3 : mouse 24p3/uterocalin

A2UMRP : rat 2-microglobulin-related protein bLF : bovine LF

bNGAL : bovine neutrophil gelatinase-associated lipocalin bSA : bovine serum albumin

EDTA : ethylene diamine tetra-acetic acid ELISA : enzyme-linked immunosorbent assay Fe-hLF : iron-saturated hLF

hLF : human LF

hNGAL : human neutrophil gelatinase-associated lipocalin hTF : human transferrin

Kd : dissociation constant LF : lactoferrin

Lfc : lactoferricin LPS : lipopolysaccharide mAb : monoclonal antibody Mr : relative molecular weight NK : natural killer

NOAEL : no-observed-adverse-effect level PBS : phosphate buffered saline

PDB : protein data bank PTG : PBS-Tween-Gelatine pI : isoelectric point pLF : porcine lactoferrin rC-lobe : recombinant C-lobe rhLF : recombinant hLF

rhLFcDNA : rhLF derived from the Rey hLF-cDNA sequence rhLFgen : rhLF derived from an hLF-genomic DNA sequence

rhLFGln138/479 : rhLFcDNA with mutations Thr130ÆIle, Cys404ÆGly, Asn138/479ÆGln RIA : radioimmunoassay

rms : root mean square

rN-lobe : recombinant N-lobe SBTI : soybean trypsin inhibitor

SDS-PAGE : sodium dodecyl sulfate-polyacrylamide gel electrophoresis

Abbreviations

8

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