von Ahsen N - Search Results

1

Rapid, long-range molecular haplotyping of thiopurine S-methyltransferase (TPMT) *3A, *3B, and *3C.

von Ahsen N, Armstrong VW, Oellerich M. von Ahsen N, et al. Clin Chem. 2004 Sep;50(9):1528-34. doi: 10.1373/clinchem.2004.034751. Epub 2004 Jul 9. Clin Chem. 2004. PMID: 15247157

2

Analytic aspects of monitoring therapy with thiopurine medications.

Armstrong VW, Shipkova M, von Ahsen N, Oellerich M. Armstrong VW, et al. Among authors: von ahsen n. Ther Drug Monit. 2004 Apr;26(2):220-6. doi: 10.1097/00007691-200404000-00024. Ther Drug Monit. 2004. PMID: 15228169 Review.

3

Rapid detection of ITPA 94C>A and IVS2 + 21A>C gene mutations by real-time fluorescence PCR and in vitro demonstration of effect of ITPA IVS2 + 21A>C polymorphism on splicing efficiency.

Heller T, Oellerich M, Armstrong VW, von Ahsen N. Heller T, et al. Among authors: von ahsen n. Clin Chem. 2004 Nov;50(11):2182-4. doi: 10.1373/clinchem.2004.039685. Clin Chem. 2004. PMID: 15502095 No abstract available.

4

Genetic polymorphisms of cytochrome P450 among patients with Balkan endemic nephropathy (BEN).

Atanasova SY, von Ahsen N, Toncheva DI, Dimitrov TG, Oellerich M, Armstrong VW. Atanasova SY, et al. Among authors: von ahsen n. Clin Biochem. 2005 Mar;38(3):223-8. doi: 10.1016/j.clinbiochem.2004.12.002. Clin Biochem. 2005. PMID: 15708542

5

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.

von Ahsen N, Armstrong VW, Behrens C, von Tirpitz C, Stallmach A, Herfarth H, Stein J, Bias P, Adler G, Shipkova M, Oellerich M, Kruis W, Reinshagen M, Schütz E. von Ahsen N, et al. Among authors: von tirpitz c. Clin Chem. 2005 Dec;51(12):2282-8. doi: 10.1373/clinchem.2005.057158. Epub 2005 Oct 7. Clin Chem. 2005. PMID: 16214825 Clinical Trial.

6

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

Shipkova M, Lorenz K, Oellerich M, Wieland E, von Ahsen N. Shipkova M, et al. Among authors: von ahsen n. Clin Chem. 2006 Feb;52(2):240-7. doi: 10.1373/clinchem.2005.059501. Epub 2005 Dec 29. Clin Chem. 2006. PMID: 16384889

7

Rapid detection of prothrombotic mutations of prothrombin (G20210A), factor V (G1691A), and methylenetetrahydrofolate reductase (C677T) by real-time fluorescence PCR with the LightCycler.

von Ahsen N, Schütz E, Armstrong VW, Oellerich M. von Ahsen N, et al. Clin Chem. 1999 May;45(5):694-6. Clin Chem. 1999. PMID: 10222362 No abstract available.

8

Application of a thermodynamic nearest-neighbor model to estimate nucleic acid stability and optimize probe design: prediction of melting points of multiple mutations of apolipoprotein B-3500 and factor V with a hybridization probe genotyping assay on the LightCycler.

von Ahsen N, Oellerich M, Armstrong VW, Schütz E. von Ahsen N, et al. Clin Chem. 1999 Dec;45(12):2094-101. Clin Chem. 1999. PMID: 10585340

9

Use of two reporter dyes without interference in a single-tube rapid-cycle PCR: alpha(1)-antitrypsin genotyping by multiplex real-time fluorescence PCR with the LightCycler.

von Ahsen N, Oellerich M, Schütz E. von Ahsen N, et al. Clin Chem. 2000 Feb;46(2):156-61. Clin Chem. 2000. PMID: 10657370

10

Genotyping of eight thiopurine methyltransferase mutations: three-color multiplexing, "two-color/shared" anchor, and fluorescence-quenching hybridization probe assays based on thermodynamic nearest-neighbor probe design.

Schütz E, von Ahsen N, Oellerich M. Schütz E, et al. Among authors: von ahsen n. Clin Chem. 2000 Nov;46(11):1728-37. Clin Chem. 2000. PMID: 11067806

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