rs10988217 - PTPA
Magnitude 4.5 · 5 studies on file
Reported associations
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A cross-population atlas of genetic associations for 220 human phenotypes. - Nature genetics (2021) · Sakaue S, Kanai M, Tanigawa Y, Karjalainen J, Kurki M, Koshiba S, Narita A, Konuma T, Yamamoto K, Akiyama M, Ishigaki K, Suzuki A, Suzuki K, Obara W, Yamaji K, Takahashi K, Asai S, Takahashi Y, Suzuki T, Shinozaki N, Yamaguchi H, Minami S, Murayama S, Yoshimori K, Nagayama S, Obata D, Higashiyama M, Masumoto A, Koretsune Y, Ito K, Terao C, Yamauchi T, Komuro I, Kadowaki T, Tamiya G, Yamamoto M, Nakamura Y, Kubo M, Murakami Y, Yamamoto K, Kamatani Y, Palotie A, Rivas MA, Daly MJ, Matsuda K, Okada Y · PubMed 34594039
Current genome-wide association studies do not yet capture sufficient diversity in populations and scope of phenotypes. To expand an atlas of genetic associations in non-European populations, we conducted 220 deep-phenotype genome-wide association studies (diseases, biomarkers and medication usage) in BioBank Japan (n = 179,000), by incorporating past medical history and text-mining of electronic medical records. Meta-analyses with the UK Biobank and FinnGen (n = 628,000) identified ~5,000 new loci, which improved the resolution of the genomic map of human traits. This atlas elucidated the landscape of pleiotropy as represented by the major histocompatibility complex locus, where we conducted HLA fine-mapping. Finally, we performed statistical decomposition of matrices of phenome-wid
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A variant at 9q34.11 is associated with HLA-DQB1*06:02 negative essential hypersomnia. - Journal of human genetics (2018) · Miyagawa T, Khor SS, Toyoda H, Kanbayashi T, Imanishi A, Sagawa Y, Kotorii N, Kotorii T, Ariyoshi Y, Hashizume Y, Ogi K, Hiejima H, Kamei Y, Hida A, Miyamoto M, Ikegami A, Wada Y, Takami M, Higashiyama Y, Miyake R, Kondo H, Fujimura Y, Tamura Y, Taniyama Y, Omata N, Tanaka Y, Moriya S, Furuya H, Kato M, Kawamura Y, Otowa T, Miyashita A, Kojima H, Saji H, Shimada M, Yamasaki M, Kobayashi T, Misawa R, Shigematsu Y, Kuwano R, Sasaki T, Ishigooka J, Wada Y, Tsuruta K, Chiba S, Tanaka F, Yamada N, Okawa M, Kuroda K, Kume K, Hirata K, Uchimura N, Shimizu T, Inoue Y, Honda Y, Mishima K, Honda M, Tokunaga K · PubMed 30266950
Essential hypersomnia (EHS) is a lifelong disorder characterized by excessive daytime sleepiness without cataplexy. EHS is associated with human leukocyte antigen (HLA)-DQB106:02, similar to narcolepsy with cataplexy (narcolepsy). Previous studies suggest that DQB106:02-positive and -negative EHS are different in terms of their clinical features and follow different pathological pathways. DQB106:02-positive EHS and narcolepsy share the same susceptibility genes. In the present study, we report a genome-wide association study with replication for DQB106:02-negative EHS (408 patients and 2247 healthy controls, all Japanese). One single-nucleotide polymorphism, rs10988217, which is located 15-kb upstream of carnitine O-acetyltransferase (CRAT), was significantly associated with DQB1*06:02
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An atlas of genetic influences on human blood metabolites - Unknown journal (n.d.) · Unknown authors · PubMed 24816252
ABSTRACT: Genome-wide association scans with high-throughput metabolic profiling provide unprecedented insights into how genetic variation influences metabolism and complex disease. Here we report the most comprehensive exploration of genetic loci influencing human metabolism to date, including 7,824 adult individuals from two European population studies. We report genome-wide significant associations at 145 metabolic loci and their biochemical connectivity regarding more than 400 metabolites in human blood. We extensively characterize the resulting in vivo blueprint of metabolism in human blood by integrating it with information regarding gene expression, heritability, overlap with known drug targets, previous association with complex disorders and inborn errors of metabolism. We further
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Combining cross-sectional and longitudinal genomic approaches to identify determinants of cognitive and physical decline - Unknown journal (n.d.) · Unknown authors · PubMed 40374629
ABSTRACT: Large-scale genomic studies focusing on the genetic contribution to human aging have mostly relied on cross-sectional data. With the release of longitudinally curated aging phenotypes by the UK Biobank (UKBB), it is now possible to study aging over time at genome-wide scale. In this work, we evaluated the suitability of competing models of change in realistic simulation settings, performed genome-wide association scans on simulation-validated measures of age-related deweekcline, and followed up with LD-score regression and Mendelian Randomization (MR) analyses. Focusing on global cognitive and physical function, we observed marked differences between baseline function (θ) and accelerated decline (Δ). Both outcomes showed distinct heritability levels (e.g., 31.38% versus 3.15%
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Genome-wide association study of HLA-DQB1*06:02 negative essential hypersomnia - Unknown journal (n.d.) · Unknown authors · PubMed 23646285
ABSTRACT: Essential hypersomnia (EHS), a sleep disorder characterized by excessive daytime sleepiness, can be divided into two broad classes based on the presence or absence of the HLA-DQB106:02 allele. HLA-DQB106:02-positive EHS and narcolepsy with cataplexy are associated with the same susceptibility genes. In contrast, there are fewer studies of HLA-DQB106:02 negative EHS which, we hypothesized, involves a different pathophysiological pathway than does narcolepsy with cataplexy. In order to identify susceptibility genes associated with HLA-DQB106:02 negative EHS, we conducted a genome-wide association study (GWAS) of 125 unrelated Japanese EHS patients lacking the HLA-DQB106:02 allele and 562 Japanese healthy controls. A comparative study was also performed on 268 HLA-DQB106:02 ne
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Lifestyle context
Concrete actions anchored to the cited research. We do not prescribe, we describe.
Discuss with your doctor
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screening for hypersomnia with sleep specialist High
rs10988217 G allele increases CRAT expression, impairs energy metabolism via carnitine shuttle dysfunction, substantially increasing hypersomnia risk
consult sleep specialist if experiencing persistent daytime sleepiness; evaluation may include MSLT
Supplements
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L-carnitine or acetyl-L-carnitine supplementation Low
CRAT dysregulation impairs mitochondrial beta-oxidation of fatty acids; L-carnitine may restore function based on mechanistic models
discuss with sleep specialist; exploratory dosing 2-4 grams daily based on narcolepsy studies