Robert M. Verkerk: search on Z-Library

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1

Kynurenine pathway in major depression: Evidence of impaired neuroprotection

Aye-Mu Myint, Yong Ku Kim, Robert Verkerk, Simon Scharpé, Harry Steinbusch, Brian Leonard

Journal:

Journal of Affective Disorders

Year:

2007

Language:

english

File:

PDF, 183 KB

english, 2007

2

Depressive Symptoms in Crohn's Disease: Relationship with Immune Activation and Tryptophan Availability

Guloksuz, Sinan, Wichers, Marieke, Kenis, Gunter, Russel, Maurice G. V. M., Wauters, Annick, Verkerk, Robert, Arts, Baer, van Os, Jim, Mazza, Marianna

Journal:

Year:

2013

Language:

english

File:

PDF, 253 KB

english, 2013

3

Ongoing episode of major depressive disorder is not associated with elevated plasma levels of kynurenine pathway markers

Dahl, Johan, Andreassen, Ole A., Verkerk, Robert, Malt, Ulrik Fredrik, Sandvik, Leiv, Brundin, Lena, Ormstad, Heidi

Journal:

Psychoneuroendocrinology

Year:

2015

Language:

english

File:

PDF, 638 KB

english, 2015

4

Increased Depressive Ratings in Patients With Hepatitis C Receiving Interferon-α–Based Immunotherapy Are Related to Interferon-α–Induced Changes in the Serotonergic System

Bonaccorso, Stefania, Marino, Valentina, Puzella, Antonella, Pasquini, Massimo, Biondi, Massimo, Artini, Marco, Almerighi, Cristiana, Verkerk, Robert, Meltzer, Herbert, Maes, Michael

Journal:

Journal of Clinical Psychopharmacology

Year:

2002

Language:

english

File:

PDF, 281 KB

english, 2002

5

Increased plasma levels of competing amino acids, rather than lowered plasma tryptophan levels, are associated with a non-response to treatment in major depression

Ormstad, Heidi, Dahl, Johan, Verkerk, Robert, Andreassen, Ole A., Maes, Michael

Journal:

European Neuropsychopharmacology

Year:

2016

Language:

english

File:

PDF, 547 KB

english, 2016

6

Serum tryptophan, tryptophan catabolites and brain-derived neurotrophic factor in subgroups of youngsters with autism spectrum disorders

Ormstad, Heidi, Bryn, Vesna, Verkerk, Robert, Skjeldal, Ola H., Halvorsen, Bente, Saugstad, Ola Didrik, Isaksen, Jorn, Maes, Michael

Journal:

CNS & Neurological Disorders - Drug Targets (Formerly Current Drug Targets - CNS & Neurological Disorders)

Year:

2018

Language:

english

File:

PDF, 2.07 MB

english, 2018

7

Effects of interactions between host plants and selective insecticides on larvae of Plutella xylostella L. (Lepidoptera: Yponomeutidae) in the laboratory

Verkerk, Robert H. J., Wright, Denis J.

Journal:

Pesticide Science

Year:

1996

Language:

english

File:

PDF, 937 KB

english, 1996

8

Evidence for Resistance to Bacillus thuringiensis ( Bt ) subsp. kurstaki HD-1, Bt subsp. aizawai and Abamectin in Field Populations of Plutella xylostella from Malaysia

Iqbal, Muhammad, Verkerk, Robert H. J., Furlong, Michael J., Ong, Pek Choo, Rahman, Syed Abdul, Wright, Denis J.

Journal:

Pesticide Science

Year:

1996

Language:

english

File:

PDF, 821 KB

english, 1996

9

Structure of the Observable Histidine Radical Cation in the Gas Phase: A Captodative α-Radical Ion

Jeffrey Steill, Junfang Zhao, Chi-Kit Siu, Yuyong Ke, Udo H. Verkerk, Jos Oomens, Robert C. Dunbar, Alan C. Hopkinson, K. W. Michael Siu

Journal:

Angewandte Chemie

Year:

2008

Language:

english

File:

PDF, 401 KB

english, 2008

10

Structure of the Observable Histidine Radical Cation in the Gas Phase: A Captodative α-Radical Ion

Jeffrey Steill, Junfang Zhao, Chi-Kit Siu, Yuyong Ke, Udo H. Verkerk, Jos Oomens, Robert C. Dunbar, Alan C. Hopkinson, K. W. Michael Siu

Journal:

Angewandte Chemie International Edition

Year:

2008

Language:

english

File:

PDF, 401 KB

english, 2008

11

Phylogenetic Analyses of Two Mitochondrial Genes and One Nuclear Intron Region Illuminate European Subterranean Termite (Isoptera: Rhinotermitidae) Gene Flow, Taxonomy, and Introduction Dynamics

Tracie M. Jenkins, Rob E. Dean, Robert Verkerk, Brian T. Forschler

Journal:

Molecular Phylogenetics and Evolution

Year:

2001

Language:

english

File:

PDF, 74 KB

english, 2001

12

Development of a fast kinetic method for the determination of carboxypeptidase U (TAFIa) using C-terminal arginine containing peptides as substrate

Johan Willemse, Judith Leurs, Robert Verkerk, Dirk Hendriks

Journal:

Analytical Biochemistry

Year:

2005

Language:

english

File:

PDF, 227 KB

english, 2005

13

The paradox of overlapping micronutrient risks and benefits obligates risk/benefit analysis

Robert H.J. Verkerk

Journal:

Year:

2010

Language:

english

File:

PDF, 617 KB

english, 2010

14

Plasma renin activities and the detection of angiotensin dependant hypertension

Simon L. Scharpe, Karel J. van Acker, Andre J.R. Deprettere, Marc E. De Broe, Albert R. Lauwers, Robert M. Verkerk

Journal:

Clinical Biochemistry

Year:

1979

Language:

english

File:

PDF, 197 KB

english, 1979

15

Biological activity of neem seed kernel extracts and synthetic azadirachtin against larvae of Plutella xylostella L

Robert H. J. Verkerk, Denis J. Wright

Journal:

Pest Management Science

Year:

1993

Language:

english

File:

PDF, 861 KB

english, 1993

16

Differential effects of the acylurea insect growth regulator teflubenzuron on the adults of two endolarval parasitoids of Plutella xylostella, Cotesia plutellae and Diadegma semiclausum

Michael J. Furlong, Robert H. J. Verkerk, Denis J. Wright

Journal:

Pest Management Science

Year:

1994

Language:

english

File:

PDF, 586 KB

english, 1994

17

Integration of chemical and biological control systems for arthropods: Evaluation in a multitrophic context

Denis J. Wright, Robert H. J. Verkerk

Journal:

Pest Management Science

Year:

1995

Language:

english

File:

PDF, 1.29 MB

english, 1995

18

Serotonin-immune interactions in major depression: lower serum tryptophan as a marker of an immune-inflammatory response

Michael Maes, Robert Verkerk, Eric Vandoolaeghe, Fran Van Hunsel, Hugo Neels, Annick Wauters, Paul Demedts, Simon Scharpé

Journal:

European Archives of Psychiatry and Clinical Neuroscience

Year:

1997

Language:

english

File:

PDF, 1.15 MB

english, 1997

19

The Role of Tryptophan Catabolism along the Kynurenine Pathway in Acute Ischemic Stroke

Raf Brouns, Robert Verkerk, Tony Aerts, Didier De Surgeloose, Annick Wauters, Simon Scharpé, Peter P. De Deyn

Journal:

Neurochemical Research

Year:

2010

Language:

english

File:

PDF, 277 KB

english, 2010

20

A critique of prevailing approaches to nutrient risk analysis pertaining to food supplements with specific reference to the European Union

Robert H.J. Verkerk, Stephen Hickey

Journal:

Year:

2010

Language:

english

File:

PDF, 306 KB

english, 2010

21

Gas chromatographic analysis of sodium di-n-propylacetate in human plasma

Jean-Claude Libeer, Simon Scharpé, Paul Schepens, Robert Verkerk

Journal:

Journal of Chromatography A

Year:

1978

Language:

english

File:

PDF, 222 KB

english, 1978

22

Neurotoxic and neuroprotective metabolites of kynurenine in patients with renal cell carcinoma treated with interferon-α: Course and relationship with psychiatric status

Arthur R. Van Gool, Robert Verkerk, Durk Fekkes, Marjolein Bannink, Stefan Sleijfer, Wim H. J. Kruit, Bronno van der Holt, Simon Scharpé, Alexander M. M. Eggermont, Gerrit Stoter, Michiel W. Hengeveld

Journal:

Psychiatry and Clinical Neurosciences

Year:

2008

Language:

english

File:

PDF, 96 KB

english, 2008

23

Tetrakis(2-hydroxyphenyl)ethene and Derivatives. A Structurally Preorganized Tetradentate Ligand System for Polymetallic Coordination Chemistry and Catalysis

Verkerk, Udo, Fujita, Megumi, Dzwiniel, Trevor L., McDonald, Robert, Stryker, Jeffrey M.

Journal:

Journal of the American Chemical Society

Year:

2002

Language:

english

File:

PDF, 79 KB

english, 2002

24

Median power frequency of the surface electromyogram and blood lactate concentration in incremental cycle ergometry

Jansen, Robert, Ament, Wim, Verkerke, Gijsbertus J., Hof, A. L.

Journal:

European Journal of Applied Physiology

Year:

1997

Language:

english

File:

PDF, 172 KB

english, 1997

25

Lower serum L-tryptophan availability in depression as a marker of a more generalized disorder in protein metabolism

Michael Maes, Annick Wauters, Robert Verkerk, Paul Demedts, Hugo Neels, Ann Van Gastel, Paul Cosyns, Simon Scharpé, Roger Desnyder

Journal:

Neuropsychopharmacology

Year:

1996

Language:

english

File:

PDF, 909 KB

english, 1996

26

Tryptophan breakdown pathway in bipolar mania

Aye Mu Myint, Yong-Ku Kim, Robert Verkerk, Sun Hwa Park, Simon Scharpé, Harry W.M. Steinbusch, Brian E. Leonard

Journal:

Journal of Affective Disorders

Year:

2007

Language:

english

File:

PDF, 212 KB

english, 2007

27

Immune markers in fibromyalgia: comparison with major depressed patients and normal volunteers

Stefania Bonaccorso, Ai-hua Lin, Robert Verkerk, Fran Van Hunsel, Isabelle Libbrecht, Simon Scharpé, Luc DeClerck, Massimo Biondi, Aleksander Janca, Michael Maes

Journal:

Journal of Affective Disorders

Year:

1998

Language:

english

File:

PDF, 70 KB

english, 1998

28

The inflammatory response system and the availability of plasma tryptophan in patients with primary sleep disorders and major depression

Cai Song, Aihua Lin, Stefania Bonaccorso, Carine Heide, Robert Verkerk, Gunter Kenis, Eugene Bosmans, Simon Scharpe, Alex Whelan, Paul Cosyns, Raf de Jongh, Michael Maes

Journal:

Journal of Affective Disorders

Year:

1998

Language:

english

File:

PDF, 78 KB

english, 1998

29

Lower serum dipeptidyl peptidase IV activity in treatment resistant major depression: Relationships with immune-inflammatory markers

Michael Maes, Ingrid De Meester, Robert Verkerk, Paul De Medts, Annick Wauters, Gertrude Vanhoof, Eric Vandoolaeghe, Hugo Neels, Simon Scharpé

Journal:

Psychoneuroendocrinology

Year:

1997

Language:

english

File:

PDF, 981 KB

english, 1997

30

Serotonergic and Noradrenergic Markers of Post-Traumatic Stress Disorder with and without Major Depression

Michael Maes, Ai-hua Lin, Robert Verkerk, Laure Delmeire, An Van Gastel, Marc Van der Planken, Simon Scharpé

Journal:

Neuropsychopharmacology

Year:

1999

Language:

english

File:

PDF, 185 KB

english, 1999

31

Peripheral Markers of Serotonergic and Noradrenergic Function in Post-Pubertal, Caucasian Males with Autistic Disorder

Jan Croonenberghs, Laure Delmeire, Robert Verkerk, Ai-hua Lin, Anisa Meskal, Hugo Neels, Marc Van der Planken, Simon Scharpe, Dirk Deboutte, Greet Pison, Michael Maes

Journal:

Neuropsychopharmacology

Year:

2000

Language:

english

File:

PDF, 151 KB

english, 2000

32

Simultaneous determination of p-aminobenzoic acid, acetyl-p-aminobenzoic acid and p-aminohippuric acid in serum and urine by capillary gas chromatography with use of a nitrogen-phosphorus detector

Jean-Claude Libeer, Simon L. Scharpé, Robert M. Verkerk, AndréJ. Deprettere, Paul J. Schepens

Journal:

Clinica Chimica Acta

Year:

1981

Language:

english

File:

PDF, 339 KB

english, 1981

33

Serotonergic disturbances in autistic disorder: L-5-hydroxytryptophan administration to autistic youngsters increases the blood concentrations of serotonin in patients but not in controls

Jan Croonenberghs, Robert Verkerk, Simon Scharpe, Dirk Deboutte, Michael Maes

Journal:

Year:

2005

Language:

english

File:

PDF, 200 KB

english, 2005

34

Event-related potential correlates of selective processing in early- and continuously-treated children with phenylketonuria: Effects of concurrent phenylalanine level and dietary control

Leo M.J. de Sonneville, Stephan C.J. Huijbregts, Francjan J. van Spronsen, Paul H. Verkerk, Joseph A. Sergeant, Robert Licht

Journal:

Molecular Genetics and Metabolism

Year:

2010

Language:

english

File:

PDF, 288 KB

english, 2010

35

Depressive and anxiety symptoms in the early puerperium are related to increased degradation of tryptophan into kynurenine, a phenomenon which is related to immune activation

Michael Maes, Robert Verkerk, Stephania Bonaccorso, Willem Ombelet, Eugene Bosmans, Simon Scharpé

Journal:

Year:

2002

Language:

english

File:

PDF, 135 KB

english, 2002

36

Serotonergic markers and lowered plasma branched-chain-amino acid concentrations in fibromyalgia

Michael Maes, Robert Verkerk, Laure Delmeire, Ann Van Gastel, Fran van Hunsel, Simon Scharpé

Journal:

Psychiatry Research

Year:

2000

Language:

english

File:

PDF, 111 KB

english, 2000

37

Serotonin-immune interactions in detoxified chronic alcoholic patients without apparent liver disease: activation of the inflammatory response system and lower plasma total tryptophan

Michael Maes, Ai-hua Lin, Eugene Bosmans, Eric Vandoolaeghe, Stefania Bonnacorso, Gunter Kenis, Raf De Jongh, Robert Verkerk, Cai Song, Simon Scharpé, Hugo Neels

Journal:

Psychiatry Research

Year:

1998

Language:

english

File:

PDF, 106 KB

english, 1998

38

Proliferation and extracellular matrix synthesis of smooth muscle cells cultured from human coronary atherosclerotic and restenotic lesions

Donald C. MacLeod, Bradley H. Strauss, Marcel de Jong, Javier Escaned, Victor A. Umans, Robert-Jan van Suylen, Anton Verkerk, Pim J. de Feyter, Patrick W. Serruys

Journal:

Journal of the American College of Cardiology

Year:

1994

Language:

english

File:

PDF, 1.46 MB

english, 1994

39

Metal Ion Complexes with HisGly: Comparison with PhePhe and PheGly

Dunbar, Robert C., Oomens, Jos, Berden, Giel, Lau, Justin Kai-Chi, Verkerk, Udo H., Hopkinson, Alan C., Siu, K. W. Michael

Journal:

Journal of Physical Chemistry A

Year:

2013

Language:

english

File:

PDF, 1.51 MB

english, 2013

40

Validation of a specific prolylcarboxypeptidase activity assay and its suitability for plasma and serum measurements

Kehoe, Kaat, Verkerk, Robert, Sim, Yani, Waumans, Yannick, Van der Veken, Pieter, Lambeir, Anne-Marie, De Meester, Ingrid

Journal:

Analytical Biochemistry

Year:

2013

Language:

english

File:

PDF, 730 KB

english, 2013

41

Inflammation-Induced Catabolism of Tryptophan and Tyrosine in Acute Ischemic Stroke

Ormstad, Heidi, Verkerk, Robert, Aass, Hans Christian D., Amthor, Karl-Friedrich, Sandvik, Leiv

Journal:

Journal of Molecular Neuroscience

Year:

2013

Language:

english

File:

PDF, 289 KB

english, 2013

42

Selective Syntheses of Partially Etherified Derivatives of Tetrakis(2-hydroxyphenyl)ethene. An Alternative to the Calix[4]arene Ligand System

Fujita, Megumi, Qi, Guizhong, Verkerk, Udo H., Dzwiniel, Trevor L., McDonald, Robert, Stryker, Jeffrey M.

Journal:

Organic Letters

Year:

2004

Language:

english

File:

PDF, 100 KB

english, 2004

43

Extended Structure–Activity Relationship and Pharmacokinetic Investigation of (4-Quinolinoyl)glycyl-2-cyanopyrrolidine Inhibitors of Fibroblast Activation Protein (FAP)

Jansen, Koen, Heirbaut, Leen, Verkerk, Robert, Cheng, Jonathan D., Joossens, Jurgen, Cos, Paul, Maes, Louis, Lambeir, Anne-Marie, De Meester, Ingrid, Augustyns, Koen, Van der Veken, Pieter

Journal:

Journal of Medicinal Chemistry

Year:

2014

Language:

english

File:

PDF, 1.16 MB

english, 2014

44

Activation of the Kynurenine Pathway in the Acute Phase of Stroke and its Role in Fatigue and Depression Following Stroke

Ormstad, Heidi, Verkerk, Robert, Amthor, Karl-Friedrich, Sandvik, Leiv

Journal:

Journal of Molecular Neuroscience

Year:

2014

Language:

english

File:

PDF, 312 KB

english, 2014

45

Effects of shade provision on the behaviour, body temperature and milk production of grazing dairy cows during a New Zealand summer

Fisher, A. D., Roberts, N., Bluett, S. J., Verkerk, G. A., Matthews, L. R.

Journal:

New Zealand Journal of Agricultural Research

Year:

2008

Language:

english

File:

PDF, 1.21 MB

english, 2008

46

Conformation Switching in Gas-Phase Complexes of Histidine with Alkaline Earth Ions

Dunbar, Robert C., Hopkinson, Alan C., Oomens, Jos, Siu, Chi-Kit, Siu, K. W. Michael, Steill, Jeffrey D., Verkerk, Udo H., Zhao, Junfang

Journal:

Journal of Physical Chemistry B

Year:

2009

Language:

english

File:

PDF, 1.75 MB

english, 2009

47

Coordination chemistry of the tetrakis(2-hydroxyphenyl)ethene support mimic — Polymetallic magnesium, aluminum, and titanium derivatives

Verkerk, Udo H, McDonald, Robert, Stryker, Jeffrey M

Journal:

Canadian Journal of Chemistry

Year:

2005

Language:

english

File:

PDF, 222 KB

english, 2005

48

Prolyl Carboxypeptidase Activity Decline Correlates with Severity and Short-Term Outcome in Acute Ischemic Stroke

Kehoe, Kaat, Brouns, Raf, Verkerk, Robert, Engelborghs, Sebastiaan, De Deyn, Peter Paul, Hendriks, Dirk, De Meester, Ingrid

Journal:

Neurochemical Research

Year:

2015

Language:

english

File:

PDF, 247 KB

english, 2015

49

Multitrophic interactions and management of the diamondback moth: a review

Verkerk, Robert H.J., Wright, Denis J.

Journal:

Bulletin of Entomological Research

Year:

1996

Language:

english

File:

PDF, 1.13 MB

english, 1996

50

Psychobiological Aspects of Somatoform Disorders: Contributions of Monoaminergic Transmitter Systems

Rief, Winfried, Pilger, Florian, Ihle, Daniel, Verkerk, Robert, Scharpe, Simon, Maes, Michael

Journal:

Neuropsychobiology

Year:

2004

Language:

english

File:

PDF, 114 KB

english, 2004