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Items: 50

1.

Commutability of the certified reference materials for the standardization of β-amyloid 1-42 assay in human cerebrospinal fluid: lessons for tau and β-amyloid 1-40 measurements.

Andreasson U, Kuhlmann J, Pannee J, Umek RM, Stoops E, Vanderstichele H, Matzen A, Vandijck M, Dauwe M, Leinenbach A, Rutz S, Portelius E, Zegers I, Zetterberg H, Blennow K.

Clin Chem Lab Med. 2018 Nov 27;56(12):2058-2066. doi: 10.1515/cclm-2018-0147.

PMID:
29949507
2.

Commutability Assessment of Candidate Reference Materials for Pancreatic α-Amylase.

Deprez L, Toussaint B, Zegers I, Schimmel H, Grote-Koska D, Klauke R, Gella FJ, Orth M, Lessinger JM, Trenti T, Nilsson G, Ceriotti F.

Clin Chem. 2018 Aug;64(8):1193-1202. doi: 10.1373/clinchem.2018.289744. Epub 2018 Jun 14.

PMID:
29903873
3.

Standardization of autoimmune testing - is it feasible?

Monogioudi E, Martos G, Hutu DP, Schimmel H, Meroni PL, Sheldon J, Zegers I.

Clin Chem Lab Med. 2018 Sep 25;56(10):1734-1742. doi: 10.1515/cclm-2017-1077. No abstract available.

PMID:
29626412
4.

IFCC Working Group Recommendations for Assessing Commutability Part 1: General Experimental Design.

Miller WG, Schimmel H, Rej R, Greenberg N, Ceriotti F, Burns C, Budd JR, Weykamp C, Delatour V, Nilsson G, MacKenzie F, Panteghini M, Keller T, Camara JE, Zegers I, Vesper HW; IFCC Working Group on Commutability.

Clin Chem. 2018 Mar;64(3):447-454. doi: 10.1373/clinchem.2017.277525. Epub 2018 Jan 18.

5.

Development of a Certified Reference Material for myeloperoxidase-anti-neutrophil cytoplasmic autoantibodies (MPO-ANCA).

Monogioudi E, Hutu DP, Martos G, Sheldon J, Schimmel H, Meroni PL, Zegers I.

Clin Chim Acta. 2017 Apr;467:48-50. doi: 10.1016/j.cca.2016.05.031. Epub 2016 Jun 1.

6.

CSF Aβ1-42 - an excellent but complicated Alzheimer's biomarker - a route to standardisation.

Kuhlmann J, Andreasson U, Pannee J, Bjerke M, Portelius E, Leinenbach A, Bittner T, Korecka M, Jenkins RG, Vanderstichele H, Stoops E, Lewczuk P, Shaw LM, Zegers I, Schimmel H, Zetterberg H, Blennow K; IFCC Working Group on Standardization of CSF proteins (WG-CSF).

Clin Chim Acta. 2017 Apr;467:27-33. doi: 10.1016/j.cca.2016.05.014. Epub 2016 May 20. Review.

PMID:
27216941
7.

Generation and Characterization of Six Recombinant Botulinum Neurotoxins as Reference Material to Serve in an International Proficiency Test.

Weisemann J, Krez N, Fiebig U, Worbs S, Skiba M, Endermann T, Dorner MB, Bergström T, Muñoz A, Zegers I, Müller C, Jenkinson SP, Avondet MA, Delbrassinne L, Denayer S, Zeleny R, Schimmel H, Åstot C, Dorner BG, Rummel A.

Toxins (Basel). 2015 Nov 26;7(12):5035-54. doi: 10.3390/toxins7124861.

8.

Assessing the commutability of reference material formats for the harmonization of amyloid-β measurements.

Bjerke M, Andreasson U, Kuhlmann J, Portelius E, Pannee J, Lewczuk P, Umek RM, Vanmechelen E, Vanderstichele H, Stoops E, Lewis J, Vandijck M, Kostanjevecki V, Jeromin A, Salamone SJ, Schmidt O, Matzen A, Madin K, Eichenlaub U, Bittner T, Shaw LM, Zegers I, Zetterberg H, Blennow K.

Clin Chem Lab Med. 2016 Jul 1;54(7):1177-91. doi: 10.1515/cclm-2015-0733.

9.

Non-myeloablative allogeneic stem cell transplantation: a new treatment option for acquired angioedema?

Zegers IH, Aaldering KN, Nieuwhof CM, Schouten HC.

Neth J Med. 2015 Oct;73(8):383-5.

10.

First steps in the standardization of immunoglobulin IgG myeloperoxidase-anti-neutrophil cytoplasmic antibody measurements.

Hutu DP, Tuddenham E, Monogioudi E, Meroni P, Schimmel H, Sheldon J, Zegers I; collaborating laboratories.

Clin Exp Immunol. 2016 Feb;183(2):193-205. doi: 10.1111/cei.12707. Epub 2015 Nov 18.

11.

Round robin test on quantification of amyloid-β 1-42 in cerebrospinal fluid by mass spectrometry.

Pannee J, Gobom J, Shaw LM, Korecka M, Chambers EE, Lame M, Jenkins R, Mylott W, Carrillo MC, Zegers I, Zetterberg H, Blennow K, Portelius E.

Alzheimers Dement. 2016 Jan;12(1):55-9. doi: 10.1016/j.jalz.2015.06.1890. Epub 2015 Jul 21.

PMID:
26206625
12.

Performance criteria for reference measurement procedures and reference materials.

Schimmel H, Zegers I.

Clin Chem Lab Med. 2015 May;53(6):899-904. doi: 10.1515/cclm-2015-0104.

13.

International standards for IgG and IgM anti-β2glycoprotein antibody measurement.

Willis R, Grossi C, Orietta Borghi M, Martos-Sevilla G, Zegers I, Sheldon J, Meroni PL.

Lupus. 2014 Oct;23(12):1317-9. doi: 10.1177/0961203314544535.

PMID:
25228737
14.

Generation of a new cystatin C-based estimating equation for glomerular filtration rate by use of 7 assays standardized to the international calibrator.

Grubb A, Horio M, Hansson LO, Björk J, Nyman U, Flodin M, Larsson A, Bökenkamp A, Yasuda Y, Blufpand H, Lindström V, Zegers I, Althaus H, Blirup-Jensen S, Itoh Y, Sjöström P, Nordin G, Christensson A, Klima H, Sunde K, Hjort-Christensen P, Armbruster D, Ferrero C.

Clin Chem. 2014 Jul;60(7):974-86. doi: 10.1373/clinchem.2013.220707. Epub 2014 May 14.

15.

To harmonize and standardize: making measurement results comparable.

Zegers I, Schimmel H.

Clin Chem. 2014 Jul;60(7):911-3. doi: 10.1373/clinchem.2014.224477. Epub 2014 May 5. No abstract available.

16.

Standardization of autoantibody testing: a paradigm for serology in rheumatic diseases.

Meroni PL, Biggioggero M, Pierangeli SS, Sheldon J, Zegers I, Borghi MO.

Nat Rev Rheumatol. 2014 Jan;10(1):35-43. doi: 10.1038/nrrheum.2013.180. Epub 2013 Nov 26. Review.

PMID:
24275965
17.

The importance of commutability of reference materials used as calibrators: the example of ceruloplasmin.

Zegers I, Beetham R, Keller T, Sheldon J, Bullock D, MacKenzie F, Trapmann S, Emons H, Schimmel H.

Clin Chem. 2013 Sep;59(9):1322-9. doi: 10.1373/clinchem.2012.201954. Epub 2013 May 6.

18.

Gaps in the traceability chain of human growth hormone measurements.

Boulo S, Hanisch K, Bidlingmaier M, Arsene CG, Panteghini M, Auclair G, Sturgeon C, Schimmel H, Zegers I.

Clin Chem. 2013 Jul;59(7):1074-82. doi: 10.1373/clinchem.2012.199489. Epub 2013 Mar 21.

19.

A reference system for urinary albumin: current status.

Lieske JC, Bondar O, Miller WG, Bachmann LM, Narva AS, Itoh Y, Zegers I, Schimmel H, Phinney K, Bunk DM; National Kidney Disease Education Program – IFCC Working Group on Standardization of Albumin in Urine (WG-SAU).

Clin Chem Lab Med. 2013 May;51(5):981-9. doi: 10.1515/cclm-2012-0768.

PMID:
23241608
20.

A selected reaction monitoring (SRM)-based method for absolute quantification of Aβ38, Aβ40, and Aβ42 in cerebrospinal fluid of Alzheimer's disease patients and healthy controls.

Pannee J, Portelius E, Oppermann M, Atkins A, Hornshaw M, Zegers I, Höjrup P, Minthon L, Hansson O, Zetterberg H, Blennow K, Gobom J.

J Alzheimers Dis. 2013;33(4):1021-32. doi: 10.3233/JAD-2012-121471.

PMID:
23076076
21.

Reference measurement procedures for Alzheimer's disease cerebrospinal fluid biomarkers: definitions and approaches with focus on amyloid β42.

Mattsson N, Zegers I, Andreasson U, Bjerke M, Blankenstein MA, Bowser R, Carrillo MC, Gobom J, Heath T, Jenkins R, Jeromin A, Kaplow J, Kidd D, Laterza OF, Lockhart A, Lunn MP, Martone RL, Mills K, Pannee J, Ratcliffe M, Shaw LM, Simon AJ, Soares H, Teunissen CE, Verbeek MM, Umek RM, Vanderstichele H, Zetterberg H, Blennow K, Portelius E.

Biomark Med. 2012 Aug;6(4):409-17. doi: 10.2217/bmm.12.39. Review.

PMID:
22917143
22.

Proficiency testing programs for Alzheimer's disease cerebrospinal fluid biomarkers.

Mattsson N, Andreasson U, Carrillo MC, Persson S, Shaw LM, Zegers I, Zetterberg H, Blennow K.

Biomark Med. 2012 Aug;6(4):401-7. doi: 10.2217/bmm.12.41. Review.

PMID:
22917142
23.

First certified reference material for cystatin C in human serum ERM-DA471/IFCC.

Grubb A, Blirup-Jensen S, Lindström V, Schmidt C, Althaus H, Zegers I; IFCC Working Group on Standardisation of Cystatin C (WG-SCC).

Clin Chem Lab Med. 2010 Nov;48(11):1619-21. doi: 10.1515/CCLM.2010.318. Epub 2010 Oct 29.

PMID:
21034257
24.

Standardizing plasma protein measurements worldwide: a challenging enterprise.

Merlini G, Blirup-Jensen S, Johnson AM, Sheldon J, Zegers I; IFCC Committee on Plasma Proteins (C-PP).

Clin Chem Lab Med. 2010 Nov;48(11):1567-75. doi: 10.1515/CCLM.2010.314. Epub 2010 Oct 20. Review.

PMID:
20961205
25.

Characterization of the new serum protein reference material ERM-DA470k/IFCC: value assignment by immunoassay.

Zegers I, Keller T, Schreiber W, Sheldon J, Albertini R, Blirup-Jensen S, Johnson M, Trapmann S, Emons H, Merlini G, Schimmel H.

Clin Chem. 2010 Dec;56(12):1880-8. doi: 10.1373/clinchem.2010.148809. Epub 2010 Oct 5.

26.

Analysis of the physicochemical state of C-reactive protein in different preparations including 2 certified reference materials.

Rzychon M, Zegers I, Schimmel H.

Clin Chem. 2010 Sep;56(9):1475-82. doi: 10.1373/clinchem.2010.147124. Epub 2010 Jul 12.

27.

Standardization of protein biomarker measurements: is it feasible?

Schimmel H, Zegers I, Emons H.

Scand J Clin Lab Invest Suppl. 2010;242:27-33. doi: 10.3109/00365513.2010.493362.

PMID:
20515273
28.

Development and preparation of a new serum protein reference material: feasibility studies and processing.

Zegers I, Schreiber W, Linstead S, Lammers M, McCusker M, Muñoz A, Itoh Y, Merlini G, Trapmann S, Emons H, Sheldon J, Schimmel H.

Clin Chem Lab Med. 2010 Jun;48(6):805-13. doi: 10.1515/CCLM.2010.166.

PMID:
20374041
29.

Crystallization of ornithine acetyltransferase from yeast by counter-diffusion and preliminary X-ray study.

Maes D, Crabeel M, Van de Weerdt C, Martial J, Peeters E, Charlier D, Decanniere K, Vanhee C, Wyns L, Zegers I.

Acta Crystallogr Sect F Struct Biol Cryst Commun. 2006 Dec 1;62(Pt 12):1294-7. Epub 2006 Nov 30.

30.

Crystal structure of Bacillus subtilis TrmB, the tRNA (m7G46) methyltransferase.

Zegers I, Gigot D, van Vliet F, Tricot C, Aymerich S, Bujnicki JM, Kosinski J, Droogmans L.

Nucleic Acids Res. 2006 Apr 5;34(6):1925-34. Print 2006.

31.

Overexpression, purification, crystallization and preliminary X-ray diffraction analysis of the C-terminal domain of Ss-LrpB, a transcription regulator from Sulfolobus solfataricus.

Peeters E, Hoa BT, Zegers I, Charlier D, Maes D.

Acta Crystallogr Sect F Struct Biol Cryst Commun. 2005 Nov 1;61(Pt 11):985-8. Epub 2005 Oct 20.

32.

Protein crystallization in hydrogel beads.

Willaert R, Zegers I, Wyns L, Sleutel M.

Acta Crystallogr D Biol Crystallogr. 2005 Sep;61(Pt 9):1280-8. Epub 2005 Aug 16.

PMID:
16131762
33.
34.

Phase I and pharmacokinetic study of the novel chemoprotector BNP7787 in combination with cisplatin and attempt to eliminate the hydration schedule.

Boven E, Westerman M, van Groeningen CJ, Verschraagen M, Ruijter R, Zegers I, van der Vijgh WJ, Giaccone G.

Br J Cancer. 2005 May 9;92(9):1636-43.

35.

Structural study of the type II 3-dehydroquinate dehydratase from Actinobacillus pleuropneumoniae.

Maes D, Gonzalez-Ramirez LA, Lopez-Jaramillo J, Yu B, De Bondt H, Zegers I, Afonina E, Garcia-Ruiz JM, Gulnik S.

Acta Crystallogr D Biol Crystallogr. 2004 Mar;60(Pt 3):463-71. Epub 2004 Feb 25.

PMID:
14993670
36.

Cloning, preliminary characterization and crystallization of nucleoside hydrolases from Caenorhabditis elegans and Campylobacter jejuni.

Versées W, Van Holsbeke E, De Vos S, Decanniere K, Zegers I, Steyaert J.

Acta Crystallogr D Biol Crystallogr. 2003 Jun;59(Pt 6):1087-9. Epub 2003 May 23.

PMID:
12777783
37.

Purification of an oxidation-sensitive enzyme, pI258 arsenate reductase from Staphylococcus aureus.

Messens J, Martins JC, Zegers I, Van Belle K, Brosens E, Wyns L.

J Chromatogr B Analyt Technol Biomed Life Sci. 2003 Jun 25;790(1-2):217-27.

PMID:
12767334
38.

Pharmacokinetics of BNP7787 and its metabolite mesna in plasma and ascites: a case report.

Verschraagen M, Boven E, Zegers I, Hausheer FH, Van der Vijgh WJ.

Cancer Chemother Pharmacol. 2003 Jun;51(6):525-9. Epub 2003 May 15.

PMID:
12750838
39.

Specific potassium binding stabilizes pI258 arsenate reductase from Staphylococcus aureus.

Lah N, Lah J, Zegers I, Wyns L, Messens J.

J Biol Chem. 2003 Jul 4;278(27):24673-9. Epub 2003 Apr 7.

40.

All intermediates of the arsenate reductase mechanism, including an intramolecular dynamic disulfide cascade.

Messens J, Martins JC, Van Belle K, Brosens E, Desmyter A, De Gieter M, Wieruszeski JM, Willem R, Wyns L, Zegers I.

Proc Natl Acad Sci U S A. 2002 Jun 25;99(13):8506-11. Epub 2002 Jun 18.

41.

Arsenate reductase from S. aureus plasmid pI258 is a phosphatase drafted for redox duty.

Zegers I, Martins JC, Willem R, Wyns L, Messens J.

Nat Struct Biol. 2001 Oct;8(10):843-7.

PMID:
11573087
42.

Trimeric domain-swapped barnase.

Zegers I, Deswarte J, Wyns L.

Proc Natl Acad Sci U S A. 1999 Feb 2;96(3):818-22.

43.

Hydrolysis of a slow cyclic thiophosphate substrate of RNase T1 analyzed by time-resolved crystallography.

Zegers I, Loris R, Dehollander G, Fattah Haikal A, Poortmans F, Steyaert J, Wyns L.

Nat Struct Biol. 1998 Apr;5(4):280-3.

PMID:
9546218
44.

A catalytic function for the structurally conserved residue Phe 100 of ribonuclease T1.

Doumen J, Gonciarz M, Zegers I, Loris R, Wyns L, Steyaert J.

Protein Sci. 1996 Aug;5(8):1523-30.

45.

The structures of RNase A complexed with 3'-CMP and d(CpA): active site conformation and conserved water molecules.

Zegers I, Maes D, Dao-Thi MH, Poortmans F, Palmer R, Wyns L.

Protein Sci. 1994 Dec;3(12):2322-39.

46.

Crystallographic study of Glu58Ala RNase T1 x 2'-guanosine monophosphate at 1.9-A resolution.

Pletinckx J, Steyaert J, Zegers I, Choe HW, Heinemann U, Wyns L.

Biochemistry. 1994 Feb 22;33(7):1654-62.

PMID:
7906540
47.

Crystal structure of RNase T1 with 3'-guanylic acid and guanosine.

Zegers I, Haikal AF, Palmer R, Wyns L.

J Biol Chem. 1994 Jan 7;269(1):127-33.

48.

Structure of the crystalline complex of cytidylic acid (2'-CMP) with ribonuclease at 1.6 A resolution. Conservation of solvent sites in RNase-A high-resolution structures.

Lisgarten JN, Gupta V, Maes D, Wyns L, Zegers I, Palmer RA, Dealwis CG, Aguilar CF, Hemmings AM.

Acta Crystallogr D Biol Crystallogr. 1993 Nov 1;49(Pt 6):541-7.

PMID:
15299491
49.

Complex of ribonuclease Sa with a cyclic nucleotide and a proposed model for the reaction intermediate.

Sevcik J, Zegers I, Wyns L, Dauter Z, Wilson KS.

Eur J Biochem. 1993 Aug 15;216(1):301-5.

50.

Role of histidine-40 in ribonuclease T1 catalysis: three-dimensionalstructures of the partially active His40Lys mutant.

Zegers I, Verhelst P, Choe HW, Steyaert J, Heinemann U, Saenger W, Wyns L.

Biochemistry. 1992 Nov 24;31(46):11317-25.

PMID:
1445870

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