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Items: 1 to 50 of 108

1.

Macro-CK type 2 in metastatic prostate cancer.

Eidizadeh A, von Ahsen N, Friedewald S, Binder L.

Diagnosis (Berl). 2018 Nov 9. pii: /j/dx.ahead-of-print/dx-2018-0039/dx-2018-0039.xml. doi: 10.1515/dx-2018-0039. [Epub ahead of print]

PMID:
30412465
2.

Differences in procalcitonin measurements between three BRAHMS-partnered immunoassays (Liaison, Elecsys and Architect).

Eidizadeh A, Asif AR, von Ahsen N, Binder L, Schnelle M.

Clin Chem Lab Med. 2018 Oct 16. pii: /j/cclm.ahead-of-print/cclm-2018-0916/cclm-2018-0916.xml. doi: 10.1515/cclm-2018-0916. [Epub ahead of print] No abstract available.

PMID:
30325730
3.

Validation of a high-performance liquid chromatography method for thiopurine S-methyltransferase activity in whole blood using 6-mercaptopurine as substrate.

Rieger H, Schmidt P, Schaeffeler E, Abe M, Schiffhauer M, Schwab M, von Ahsen N, Zurek G, Kirchherr H, Shipkova M, Wieland E.

Clin Chem Lab Med. 2018 Apr 25;56(5):803-809. doi: 10.1515/cclm-2017-0670.

PMID:
29194039
4.

Single-Nucleotide Polymorphism of CYP3A5 Impacts the Exposure to Tacrolimus in Pediatric Renal Transplant Recipients: A Pharmacogenetic Substudy of the TWIST Trial.

Billing H, Höcker B, Fichtner A, van Damme-Lombaerts R, Friman S, Jaray J, Vondrak K, Sarvary E, Dello Strologo L, Oellerich M, von Ahsen N, Tönshoff B.

Ther Drug Monit. 2017 Feb;39(1):21-28. doi: 10.1097/FTD.0000000000000361.

PMID:
28030534
5.

Analytical evaluation of a real-time PCR-based DNA demethylation assay to assess the frequency of naturally occurring regulatory T cells in peripheral blood.

Metzker M, Shipkova M, von Ahsen N, Andag R, Abe M, Canzler O, Klett C, Leicht S, Olbricht C, Wieland E.

Clin Biochem. 2016 Oct;49(15):1173-1180. doi: 10.1016/j.clinbiochem.2016.05.019. Epub 2016 May 21.

PMID:
27220060
6.

Longitudinal analyses of anti-JCV antibody index for risk assessment of progressive multifocal leukoencephalopathy.

Salmen A, von Ahsen N, Trampe AK, Hoepner R, Plavina T, Subramanyam M, Kuesters G, Gold R, Chan A.

Mult Scler J Exp Transl Clin. 2016 Feb 8;2:2055217316630008. doi: 10.1177/2055217316630008. eCollection 2016 Jan-Dec.

7.

Thiopurines induce oxidative stress in T-lymphocytes: a proteomic approach.

Misdaq M, Ziegler S, von Ahsen N, Oellerich M, Asif AR.

Mediators Inflamm. 2015;2015:434825. doi: 10.1155/2015/434825. Epub 2015 Mar 22.

8.

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

Brandhorst G, Petrova DT, Weigand S, Eberle C, von Ahsen N, Schmitz J, Schultze FC, Raddatz D, Karaus M, Oellerich M, Walson PD.

World J Gastroenterol. 2015 Mar 21;21(11):3325-9. doi: 10.3748/wjg.v21.i11.3325.

9.

Performance evaluation of a fully automated immunoassay for the detection of human growth hormone on the Elecsys immunoassay system.

Van Helden J, Hermsen D, Von Ahsen N, Bidlingmaier M.

Clin Lab. 2014;60(10):1641-51.

PMID:
25651709
10.

Lack of efficacy of mitoxantrone in primary progressive Multiple Sclerosis irrespective of pharmacogenetic factors: a multi-center, retrospective analysis.

Grey Née Cotte S, Salmen Née Stroet A, von Ahsen N, Starck M, Winkelmann A, Zettl UK, Comabella M, Montalban X, Zipp F, Fleischer V, Kruse N, Gold R, Chan A.

J Neuroimmunol. 2015 Jan 15;278:277-9. doi: 10.1016/j.jneuroim.2014.11.017. Epub 2014 Nov 20.

PMID:
25468777
11.

CR1 is potentially associated with rate of decline in sporadic Alzheimer's disease.

Schmidt C, Wolff M, von Ahsen N, Lange K, Friede T, Zerr I.

J Clin Neurosci. 2014 Oct;21(10):1705-8. doi: 10.1016/j.jocn.2014.03.015. Epub 2014 Jul 4.

PMID:
24998857
12.

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

Schultze FC, Andag R, Alwahsh SM, Toncheva D, Maslyankov S, Yaramov N, von Ahsen N, Brandhorst G, Walson PD, Oellerich M, Petrova DT.

Clin Biochem. 2014 Feb;47(3):201-5. doi: 10.1016/j.clinbiochem.2013.11.013. Epub 2013 Nov 26.

PMID:
24291052
13.

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

Kirchherr H, Shipkova M, von Ahsen N.

Ther Drug Monit. 2013 Jun;35(3):313-21. doi: 10.1097/FTD.0b013e318283ed5d.

PMID:
23666567
14.

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

von Eckardstein A, Roth HJ, Jones G, Preston S, Szekeres T, Imdahl R, Conti M, Blanckaert N, Jose D, Thiery J, Feldmann L, von Ahsen N, Locatelli M, Kremastinou J, Kunst A, Hubbuch A, McGovern M.

J Lab Autom. 2013 Aug;18(4):306-27. doi: 10.1177/2211068212472183. Epub 2013 Jan 14.

PMID:
23321915
15.

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

Misdaq M, Andag R, Oellerich M, Asif AR, von Ahsen N.

Ther Drug Monit. 2012 Oct;34(5):584-92. doi: 10.1097/FTD.0b013e31826ec4b4.

PMID:
22972540
16.

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

Décard BF, von Ahsen N, Grunwald T, Streit F, Stroet A, Niggemeier P, Schottstedt V, Riggert J, Gold R, Chan A.

J Neurol Neurosurg Psychiatry. 2012 Dec;83(12):1170-3. doi: 10.1136/jnnp-2012-303068. Epub 2012 Aug 11.

PMID:
22888143
17.

Therapeutic monitoring of immunotherapies in autoimmune diseases.

von Ahsen N, Chan A.

Curr Pharm Des. 2012;18(29):4550-5. Review.

PMID:
22612744
18.

Alzheimer's disease: genetic polymorphisms and rate of decline.

Schmidt C, Wolff M, von Ahsen N, Zerr I.

Dement Geriatr Cogn Disord. 2012;33(2-3):84-9. doi: 10.1159/000336790. Epub 2012 Mar 9.

PMID:
22414550
19.

Direct faecal PCR for diagnosis of Shiga-toxin-producing Escherichia coli.

Gerritzen A, Wittke JW, von Ahsen N, Wolff D.

Lancet Infect Dis. 2012 Feb;12(2):102. doi: 10.1016/S1473-3099(11)70369-3. No abstract available.

PMID:
22281140
20.

Inosine monophosphate dehydrogenase activity in paediatrics: age-related regulation and response to mycophenolic acid.

Rother A, Glander P, Vitt E, Czock D, von Ahsen N, Armstrong VW, Oellerich M, Budde K, Feneberg R, Tönshoff B, Weber LT.

Eur J Clin Pharmacol. 2012 Jun;68(6):913-22. doi: 10.1007/s00228-011-1203-4. Epub 2012 Jan 25.

PMID:
22274404
21.

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

Tzvetkov M, von Ahsen N.

Pathology. 2012 Feb;44(2):166-80. doi: 10.1097/PAT.0b013e32834f4d69. Review.

PMID:
22228255
22.

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

von Ahsen N, Wittwer CT, Schütz E.

Brief Bioinform. 2011 Sep;12(5):514-7. doi: 10.1093/bib/bbq081. Epub 2010 Dec 22.

PMID:
21949267
23.

Circulating damage marker profiles support a neuroprotective effect of erythropoietin in ischemic stroke patients.

Ehrenreich H, Kästner A, Weissenborn K, Streeter J, Sperling S, Wang KK, Worthmann H, Hayes RL, von Ahsen N, Kastrup A, Jeromin A, Herrmann M.

Mol Med. 2011;17(11-12):1306-10. doi: 10.2119/molmed.2011.00259. Epub 2011 Sep 2.

24.

ATP-binding cassette transporters in inflammatory brain disease.

Chan A, Gold R, von Ahsen N.

Curr Pharm Des. 2011;17(26):2803-7. Review.

PMID:
21827405
25.

Acute liver failure due to acute fatty liver of pregnancy.

Wand S, Waeschle RM, Von Ahsen N, Hawighorst T, Bräuer A, Quintel M.

Minerva Anestesiol. 2012 Apr;78(4):503-6. Epub 2011 Jun 17.

26.

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

Brandhorst G, Engelmayer J, Götze S, Oellerich M, von Ahsen N.

Clin Chem Lab Med. 2011 Sep;49(9):1473-7. doi: 10.1515/CCLM.2011.606. Epub 2011 May 24.

PMID:
21605014
27.

Proteomics approach to identify the interacting partners of cellular prion protein and characterization of Rab7a interaction in neuronal cells.

Zafar S, von Ahsen N, Oellerich M, Zerr I, Schulz-Schaeffer WJ, Armstrong VW, Asif AR.

J Proteome Res. 2011 Jul 1;10(7):3123-35. doi: 10.1021/pr2001989. Epub 2011 Jun 7.

PMID:
21604690
28.

Extracellular Toxoplasma gondii tachyzoites do not require carbon source uptake for ATP maintenance, gliding motility and invasion in the first hour of their extracellular life.

Lin SS, Blume M, von Ahsen N, Gross U, Bohne W.

Int J Parasitol. 2011 Jul;41(8):835-41. doi: 10.1016/j.ijpara.2011.03.005. Epub 2011 Apr 7.

PMID:
21515276
29.

Severe immunosuppression in inflammatory bowel disease: opening the floodgates to opportunists?

Ertmer C, Mardin WA, Brüwer M, Schiller M, Kemper S, von Ahsen N, Hahnenkamp K.

Int J Colorectal Dis. 2011 Dec;26(12):1625-7. doi: 10.1007/s00384-011-1183-y. Epub 2011 Mar 18. No abstract available.

PMID:
21416385
30.

Thrombophilia in patients with chronic venous leg ulcers-a study on patients with or without post-thrombotic syndrome.

Zutt M, Krüger U, Rosenberger A, Schön MP, Neumann C, von Ahsen N, Kretschmer L.

J Eur Acad Dermatol Venereol. 2011 Dec;25(12):1432-9. doi: 10.1111/j.1468-3083.2011.04001.x. Epub 2011 Mar 11.

PMID:
21392126
31.

Increased Lipoprotein (a) concentrations in patients with chronic venous leg ulcers: a study on patients with or without postthrombotic syndrome.

Zutt M, Krüger U, Rosenberger A, Schön MP, Neumann C, von Ahsen N, Kretschmer L.

Wound Repair Regen. 2011 Mar-Apr;19(2):168-72. doi: 10.1111/j.1524-475X.2010.00657.x.

PMID:
21362083
32.

Amyloid-β 1-42 levels are modified by apolipoprotein E ε4 in Creutzfeldt-Jakob disease in a similar manner as in Alzheimer's disease.

Varges D, Jung K, Gawinecka J, Heinemann U, Schmitz M, von Ahsen N, Krasnianski A, Armstrong VW, Zerr I.

J Alzheimers Dis. 2011;23(4):717-26. doi: 10.3233/JAD-2010-101527.

PMID:
21157024
33.

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

Geisen C, Luxembourg B, Watzka M, Toennes SW, Sittinger K, Marinova M, von Ahsen N, Lindhoff-Last E, Seifried E, Oldenburg J.

Eur J Clin Pharmacol. 2011 Apr;67(4):371-381. doi: 10.1007/s00228-010-0950-y. Epub 2010 Nov 26.

34.

Multicenter evaluation of a new automated electrochemiluminescence immunoassay for the quantification of testosterone compared to liquid chromatography tandem mass spectrometry.

Brandhorst G, Streit F, Kratzsch J, Schiettecatte J, Roth HJ, Luppa PB, Körner A, Kiess W, Binder L, Oellerich M, von Ahsen N.

Clin Biochem. 2011 Feb;44(2-3):264-7. doi: 10.1016/j.clinbiochem.2010.09.024. Epub 2010 Oct 12.

PMID:
20923677
35.

Clinical features of rapidly progressive Alzheimer's disease.

Schmidt C, Redyk K, Meissner B, Krack L, von Ahsen N, Roeber S, Kretzschmar H, Zerr I.

Dement Geriatr Cogn Disord. 2010;29(4):371-8. doi: 10.1159/000278692. Epub 2010 May 5.

PMID:
20453509
36.

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

von Ahsen N, Tzvetkov M, Karunajeewa HA, Gomorrai S, Ura A, Brockmöller J, Davis TM, Mueller I, Ilett KF, Oellerich M.

Int J Mol Epidemiol Genet. 2010 Aug 18;1(4):310-9.

37.

Severe cardiac failure in a patient with multiple sclerosis following low-dose mitoxantrone treatment.

Dörr J, Bitsch A, Schmailzl KJ, Chan A, von Ahsen N, Hummel M, Varon R, Lill CM, Vogel HP, Zipp F, Paul F.

Neurology. 2009 Sep 22;73(12):991-3. doi: 10.1212/WNL.0b013e3181b878f6. No abstract available.

PMID:
19770476
38.

ABC-transporter gene-polymorphisms are potential pharmacogenetic markers for mitoxantrone response in multiple sclerosis.

Cotte S, von Ahsen N, Kruse N, Huber B, Winkelmann A, Zettl UK, Starck M, König N, Tellez N, Dörr J, Paul F, Zipp F, Lühder F, Koepsell H, Pannek H, Montalban X, Gold R, Chan A.

Brain. 2009 Sep;132(Pt 9):2517-30. doi: 10.1093/brain/awp164. Epub 2009 Jul 15.

PMID:
19605531
39.

Immunosuppression in clinical practice: approaches to individualized therapy.

Chan A, Stüve O, von Ahsen N.

J Neurol. 2008 Dec;255 Suppl 6:22-7. doi: 10.1007/s00415-008-6005-y. Review.

PMID:
19300956
40.

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

Guerchet M, Houinato D, Paraiso MN, von Ahsen N, Nubukpo P, Otto M, Clément JP, Preux PM, Dartigues JF.

Dement Geriatr Cogn Disord. 2009;27(1):34-41. doi: 10.1159/000188661. Epub 2009 Jan 9.

41.

Influencing factors of dsDNA dye (high-resolution) melting curves and improved genotype call based on thermodynamic considerations.

Schütz E, von Ahsen N.

Anal Biochem. 2009 Feb 1;385(1):143-52. doi: 10.1016/j.ab.2008.10.045. Epub 2008 Nov 7.

PMID:
19027705
42.

Prenatal dexamethasone exposure in the common marmoset monkey enhances gene expression of antioxidant enzymes in the aorta of adult offspring.

Atanasova S, Wieland E, Schlumbohm C, Korecka M, Shaw L, von Ahsen N, Fuchs E, Oellerich M, Armstrong V.

Stress. 2009 May;12(3):215-24. doi: 10.1080/10253890802305075.

PMID:
19005875
43.

Increased homocysteine levels in tear fluid of patients with primary open-angle glaucoma.

Roedl JB, Bleich S, Schlötzer-Schrehardt U, von Ahsen N, Kornhuber J, Naumann GO, Kruse FE, Jünemann AG.

Ophthalmic Res. 2008;40(5):249-56. doi: 10.1159/000127832. Epub 2008 Apr 25.

PMID:
18437035
44.

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

von Ahsen N, Oellerich M, Armstrong VW.

Ther Drug Monit. 2008 Feb;30(1):16-22. doi: 10.1097/FTD.0b013e318161a21a.

PMID:
18223458
45.

ApoE distribution and family history in genetic prion diseases in Germany.

Krasnianski A, von Ahsen N, Heinemann U, Meissner B, Kretzschmar HA, Armstrong VW, Zerr I.

J Mol Neurosci. 2008;34(1):45-50. Epub 2007 Sep 11.

PMID:
18157657
46.

Thrombopoietin inhibits nerve growth factor-induced neuronal differentiation and ERK signalling.

Samoylenko A, Byts N, Rajalingam K, von Ahsen N, Rapp UR, Ehrenreich H, Sirén AL.

Cell Signal. 2008 Jan;20(1):154-62. Epub 2007 Oct 12.

PMID:
18006272
47.

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

Petrova DT, Yaramov N, Toshev S, Nedeva P, Maslyankov S, von Ahsen N, Oellerich M, Toncheva D.

Onkologie. 2007 Nov;30(11):559-63. Epub 2007 Nov 8.

PMID:
17992026
48.

Increased frequency of positive family history of dementia in sporadic CJD.

Krasnianski A, von Ahsen N, Heinemann U, Meissner B, Schulz-Schaeffer WJ, Kretzschmar HA, Armstrong VW, Zerr I.

Neurobiol Aging. 2009 Apr;30(4):615-21. Epub 2007 Sep 5.

PMID:
17822808
49.

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

Petrova DT, Nedeva P, Maslyankov S, Toshev S, Yaramov N, Atanasova S, Toncheva D, Oellerich M, von Ahsen N.

J Cancer Res Clin Oncol. 2008 Mar;134(3):317-22. Epub 2007 Aug 3.

PMID:
17674045

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