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HTRA2 p.G399S in Parkinson disease, essential tremor, and tremulous cervical dystonia.
Tzoulis C, Zayats T, Knappskog PM, Müller B, Larsen JP, Tysnes OB, Bindoff LA, Johansson S, Haugarvoll K. Tzoulis C, et al. Among authors: knappskog pm. Proc Natl Acad Sci U S A. 2015 May 5;112(18):E2268. doi: 10.1073/pnas.1503105112. Epub 2015 Mar 30. Proc Natl Acad Sci U S A. 2015. PMID: 25825781 Free PMC article. No abstract available.
Genetic analyses of dopamine related genes in adult ADHD patients suggest an association with the DRD5-microsatellite repeat, but not with DRD4 or SLC6A3 VNTRs.
Johansson S, Halleland H, Halmøy A, Jacobsen KK, Landaas ET, Dramsdahl M, Fasmer OB, Bergsholm P, Lundervold AJ, Gillberg C, Hugdahl K, Knappskog PM, Haavik J. Johansson S, et al. Among authors: knappskog pm. Am J Med Genet B Neuropsychiatr Genet. 2008 Dec 5;147B(8):1470-5. doi: 10.1002/ajmg.b.30662. Am J Med Genet B Neuropsychiatr Genet. 2008. PMID: 18081165
A novel Refsum-like disorder that maps to chromosome 20.
Fiskerstrand T, Knappskog P, Majewski J, Wanders RJ, Boman H, Bindoff LA. Fiskerstrand T, et al. Neurology. 2009 Jan 6;72(1):20-7. doi: 10.1212/01.wnl.0000333664.90605.23. Epub 2008 Nov 12. Neurology. 2009. PMID: 19005174
Common variants in the TPH1 and TPH2 regions are not associated with persistent ADHD in a combined sample of 1,636 adult cases and 1,923 controls from four European populations.
Johansson S, Halmøy A, Mavroconstanti T, Jacobsen KK, Landaas ET, Reif A, Jacob C, Boreatti-Hümmer A, Kreiker S, Lesch KP, Kan CC, Kooij JJ, Kiemeney LA, Buitelaar JK, Franke B, Ribasés M, Bosch R, Bayés M, Casas M, Ramos-Quiroga JA, Cormand B, Knappskog P, Haavik J. Johansson S, et al. Am J Med Genet B Neuropsychiatr Genet. 2010 Jul;153B(5):1008-15. doi: 10.1002/ajmg.b.31067. Am J Med Genet B Neuropsychiatr Genet. 2010. PMID: 20213726
Mutations in ABHD12 cause the neurodegenerative disease PHARC: An inborn error of endocannabinoid metabolism.
Fiskerstrand T, H'mida-Ben Brahim D, Johansson S, M'zahem A, Haukanes BI, Drouot N, Zimmermann J, Cole AJ, Vedeler C, Bredrup C, Assoum M, Tazir M, Klockgether T, Hamri A, Steen VM, Boman H, Bindoff LA, Koenig M, Knappskog PM. Fiskerstrand T, et al. Among authors: knappskog pm. Am J Hum Genet. 2010 Sep 10;87(3):410-7. doi: 10.1016/j.ajhg.2010.08.002. Am J Hum Genet. 2010. PMID: 20797687 Free PMC article.
Familial diarrhea syndrome caused by an activating GUCY2C mutation.
Fiskerstrand T, Arshad N, Haukanes BI, Tronstad RR, Pham KD, Johansson S, Håvik B, Tønder SL, Levy SE, Brackman D, Boman H, Biswas KH, Apold J, Hovdenak N, Visweswariah SS, Knappskog PM. Fiskerstrand T, et al. Among authors: knappskog pm. N Engl J Med. 2012 Apr 26;366(17):1586-95. doi: 10.1056/NEJMoa1110132. Epub 2012 Mar 21. N Engl J Med. 2012. PMID: 22436048 Free article.
Exome sequencing and genetic testing for MODY.
Johansson S, Irgens H, Chudasama KK, Molnes J, Aerts J, Roque FS, Jonassen I, Levy S, Lima K, Knappskog PM, Bell GI, Molven A, Njølstad PR. Johansson S, et al. Among authors: knappskog pm. PLoS One. 2012;7(5):e38050. doi: 10.1371/journal.pone.0038050. Epub 2012 May 25. PLoS One. 2012. PMID: 22662265 Free PMC article.
158 results