Browsing Faculty of Medicine by Author "Gaare, Johannes Jernqvist"
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DNA Methylation Age Acceleration Is Not Associated with Age of Onset in Parkinson's Disease
Gaare, Johannes Jernqvist; Brügger, Kim; Sanchez Nido, Gonzalo; Tzoulis, Charalampos (Journal article; Peer reviewed, 2023)Background Epigenetic clocks using DNA methylation (DNAm) to estimate biological age have become popular tools in the study of neurodegenerative diseases. Notably, several recent reports have shown a strikingly similar ... -
Exploring the genetic contribution to idiopathic Parkinson disease
Gaare, Johannes Jernqvist (Doctoral thesis, 2021-03-05)Background: Parkinson disease (PD) is a major cause of death and disability and has a devastating global socioeconomic impact. It affects 1-2% of the population above the age of 65 and its prevalence increases as the ... -
Meta-analysis of whole-exome sequencing data from two independent cohorts finds no evidence for rare variant enrichment in Parkinson disease associated loci
Gaare, Johannes Jernqvist; Sanchez Nido, Gonzalo; Dölle, Christian; Sztromwasser, Pawel Szymon; Alves, Guido Werner; Tysnes, Ole-Bjørn; Haugarvoll, Kristoffer; Tzoulis, Charalampos (Journal article; Peer reviewed, 2020-10-01)Parkinson disease (PD) is a complex neurodegenerative disorder influenced by both environmental and genetic factors. While genome wide association studies have identified several susceptibility loci, many causal variants ... -
Nicotinamide riboside supplementation is not associated with altered methylation homeostasis in Parkinson's disease
Gaare, Johannes Jernqvist; Dölle, Christian; Brakedal, Brage; Brügger, Kim; Haugarvoll, Kristoffer; Sanchez Nido, Gonzalo; Tzoulis, Charalampos (Journal article; Peer reviewed, 2023)Replenishing nicotinamide adenine dinucleotide (NAD) via supplementation of nicotinamide riboside (NR) has been shown to confer neuroprotective effects in models of aging and neurodegenerative diseases, including Parkinson’s ...