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List of works by Nicolas von Ahsen

6-thioguanine nucleotide-adapted azathioprine therapy does not lead to higher remission rates than standard therapy in chronic active crohn disease: results from a randomized, controlled, open trial

scientific article

Alzheimer’s Disease: Genetic Polymorphisms and Rate of Decline ⬇️

scientific article published on March 9, 2012

Analysis of ITPA phenotype-genotype correlation in the Bulgarian population revealed a novel gene variant in exon 6.

scientific article published in February 2007

Analytic aspects of monitoring therapy with thiopurine medications

scientific article published in April 2004

Association of inosine triphosphatase 94C>A and thiopurine S-methyltransferase deficiency with adverse events and study drop-outs under azathioprine therapy in a prospective Crohn disease study

scientific article

Atypical pharmacokinetics and metabolism of mycophenolic acid in a young kidney transplant recipient with impaired renal function

scientific article published in June 2002

CYP2D6 and CYP2C19 in Papua New Guinea: High frequency of previously uncharacterized CYP2D6 alleles and heterozygote excess ⬇️

scientific article published on August 18, 2010

Characterization of the inosine triphosphatase (ITPA) gene: haplotype structure, haplotype-phenotype correlation and promoter function

scientific article published in February 2008

Cognitive impairment and dementia in elderly people living in rural Benin, west Africa

scientific article published on 9 January 2009

Establishment of thiopurine S-methyltransferase gene knockdown in jurkat T-lymphocytes: an in vitro model of TPMT polymorphism

scientific article published on October 2012

FoxP3 demethylation is increased in human colorectal cancer and rat cholangiocarcinoma tissue

scientific article

Genotyping of CYP3A5 polymorphisms among Bulgarian patients with sporadic colorectal cancer and controls

scientific article

Immunosuppression in clinical practice: approaches to individualized therapy

scientific article published on December 2008

Improved method for therapeutic drug monitoring of 6-thioguanine nucleotides and 6-methylmercaptopurine in whole-blood by LC/MSMS using isotope-labeled internal standards

scientific article

Improved real-time multiplex polymerase chain reaction detection of methylenetetrahydrofolate reductase (MTHFR) 677C>T and 1298A>C polymorphisms using nearest neighbor model-based probe design

scientific article published in July 2007

In vitro gender differences in neuronal survival on hypoxia and in 17beta-estradiol-mediated neuroprotection

scientific article published in April 2005

Lack of correlation between Treg quantification assays in inflammatory bowel disease patients

scientific article

Low vitamin D and elevated immunoreactivity against Epstein-Barr virus before first clinical manifestation of multiple sclerosis

scientific article published on 11 August 2012

Marmoset glutathione peroxidases: cDNA sequences, molecular evolution, and gene expression

scientific article published in June 2006

Measurement of erythrocyte inosine triphosphate pyrophosphohydrolase (ITPA) activity by HPLC and correlation of ITPA genotype-phenotype in a Caucasian population

scientific article published on 29 December 2005

Monovalent and divalent salt correction algorithms for Tm prediction--recommendations for Primer3 usage ⬇️

scientific article published on December 22, 2010

No association between MDR1 (ABCB1) 2677G>T and 3435C>T polymorphism and sporadic colorectal cancer among Bulgarian patients

scientific article published on 03 August 2007

Pharmacogenetic screening for drug therapy: From single gene markers to decision making in the next generation sequencing era ⬇️

scientific article published on February 1, 2012

Pre-analytical effects of different lithium heparin plasma separation tubes in the routine clinical chemistry laboratory ⬇️

scientific article published on May 24, 2011

Prediction of phenprocoumon maintenance dose and phenprocoumon plasma concentration by genetic and non-genetic parameters ⬇️

scientific article published on November 26, 2010

Proteomics Approach to Identify the Interacting Partners of Cellular Prion Protein and Characterization of Rab7a Interaction in Neuronal Cells ⬇️

scientific article published on June 7, 2011

The intronic prothrombin 19911A>G polymorphism influences splicing efficiency and modulates effects of the 20210G>A polymorphism on mRNA amount and expression in a stable reporter gene assay system ⬇️

scientific article published on September 22, 2003

Therapeutic Monitoring of Immunotherapies in Autoimmune Diseases ⬇️

scientific article published on January 1, 2012

cobas 8000 Modular analyzer series evaluated under routine-like conditions at 14 sites in Australia, Europe, and the United States

scientific article

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