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List of works by Robert Verkerk

A mood state-specific interaction between kynurenine metabolism and inflammation is present in bipolar disorder

scientific article published on 30 August 2019

Activation of the kynurenine pathway in the acute phase of stroke and its role in fatigue and depression following stroke

scientific article published on 25 March 2014

Acute Ischemic Stroke Severity, Progression, and Outcome Relate to Changes in Dipeptidyl Peptidase IV and Fibroblast Activation Protein Activity.

scientific article published on 26 August 2016

Biochemical, metabolic and immune correlates of seasonal variation in violent suicide: a chronoepidemiologic study

scientific article published on January 1996

Components of biological, including seasonal, variation in hematological measurements and plasma fibrinogen concentrations in normal humans

scientific article published on February 1995

Cytokine changes and tryptophan metabolites in medication-naïve and medication-free schizophrenic patients.

scientific article published on 22 April 2009

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

scientific article published in September 2002

Depressive symptoms in Crohn's disease: relationship with immune activation and tryptophan availability

scientific article published on 27 March 2013

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

scientific article published in May 2005

Disturbances in dexamethasone suppression test and lower availability of L-tryptophan and tyrosine in early puerperium and in women under contraceptive therapy

scientific article

Effects of pregnancy and delivery on the availability of plasma tryptophan to the brain: relationships to delivery-induced immune activation and early post-partum anxiety and depression

scientific article published in July 2001

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

article

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

article

IDO and interferon-alpha-induced depressive symptoms: a shift in hypothesis from tryptophan depletion to neurotoxicity

scientific article published in June 2005

Immune and Neuroendocrine Trait and State Markers in Psychotic Illness: Decreased Kynurenines Marking Psychotic Exacerbations

scientific article published on 01 January 2019

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

scientific article published in February 1998

Improved micromethod for assay of serum angiotensin converting enzyme ⬇️

scientific article published on 01 June 1982

Increased depressive ratings in patients with hepatitis C receiving interferon-alpha-based immunotherapy are related to interferon-alpha-induced changes in the serotonergic system

scientific article published in February 2002

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

scientific article published on 26 May 2016

Increased serum albumin, gamma globulin, immunoglobulin IgG, and IgG2 and IgG4 in autism.

scientific article

Inflammation-induced catabolism of tryptophan and tyrosine in acute ischemic stroke

scientific article published on 30 August 2013

Kynurenine Pathway in Autism Spectrum Disorders in Children

scientific article published on 01 January 2017

Kynurenine pathway in major depression: Evidence of impaired neuroprotection

article

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

scientific article published in September 1996

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

article

Neurological dysfunction associated with abnormal levels of cimetidine metabolite ⬇️

scientific article published on May 9, 1981

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

scientific article

Peripheral markers of serotonergic and noradrenergic function in post-pubertal, caucasian males with autistic disorder

scientific article published in March 2000

Plasma activity of prolyl endopeptidase in relation to psychopathology during immunotherapy with IFN-alpha in patients with renal cell carcinoma

scientific article

Plasma renin activities and the detection of angiotensin dependant hypertension ⬇️

scientific article published on December 1, 1979

Psychobiological aspects of somatoform disorders: contributions of monoaminergic transmitter systems

scientific article

Reversal of imbalance between kynurenic acid and 3-hydroxykynurenine by antipsychotics in medication-naïve and medication-free schizophrenic patients

scientific article published on 17 May 2011

Sepsis 2016 Paris: Paris, France. 6-8 December 2016.

scientific article published on 6 December 2016

Serotonergic and noradrenergic markers of post-traumatic stress disorder with and without major depression

scientific article

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

scientific article published in March 2005

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

article

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

scientific article published in May 1998

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

scientific article published in January 1997

Serum Tryptophan, Tryptophan Catabolites and Brain-derived Neurotrophic Factor in Subgroups of Youngsters with Autism Spectrum Disorders

scientific article published on 01 January 2018

Serum levels of excitatory amino acids, serine, glycine, histidine, threonine, taurine, alanine and arginine in treatment-resistant depression: modulation by treatment with antidepressants and prediction of clinical responsivity.

scientific article

The decrease in procarboxypeptidase U (TAFI) concentration in acute ischemic stroke correlates with stroke severity, evolution and outcome

scientific article published on 23 October 2009

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

scientific article published in June 1998

The new '5-HT' hypothesis of depression: cell-mediated immune activation induces indoleamine 2,3-dioxygenase, which leads to lower plasma tryptophan and an increased synthesis of detrimental tryptophan catabolites (TRYCATs), both of which contribute

scientific article

The role of tryptophan catabolism along the kynurenine pathway in acute ischemic stroke

scientific article published on 19 May 2010

Tryptophan breakdown pathway in bipolar mania

scientific article

Urinary Excretion of Purine and Pyrimidine Metabolites in the Neonate

scientific article published on 01 December 1993

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

scientific article published on 10 September 2013

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